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Changed websockets lib, protocol not finalized at all

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This commit is contained in:
KimLS 2014-07-15 22:52:18 -07:00
parent 4109b0b88d
commit e0bc0e2e5c
106 changed files with 37317 additions and 93 deletions
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2
CMakeLists.txt
View File

@ -320,7 +320,7 @@ IF(EQEMU_BUILD_LUA)
ENDIF(EQEMU_SANITIZE_LUA_LIBS)
ENDIF(EQEMU_BUILD_LUA)
INCLUDE_DIRECTORIES("${ZLIB_INCLUDE_DIRS}" "${MySQL_INCLUDE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/common/glm/glm")
INCLUDE_DIRECTORIES("${ZLIB_INCLUDE_DIRS}" "${MySQL_INCLUDE_DIR}" "${CMAKE_CURRENT_SOURCE_DIR}/common/glm/glm" "${CMAKE_CURRENT_SOURCE_DIR}/dependencies/libwebsockets")
IF(EQEMU_BUILD_SERVER OR EQEMU_BUILD_LOGIN OR EQEMU_BUILD_TESTS)
ADD_SUBDIRECTORY(common)

3
dependencies/.gitignore vendored
View File

@ -5,4 +5,5 @@ mysql_x86/
mysql_x64/
zlib_x86/
zlib_x64/
cyassl/
cyassl/
websocketpp/

1
dependencies/CMakeLists.txt vendored
View File

@ -4,3 +4,4 @@ IF(EQEMU_BUILD_LUA)
ADD_SUBDIRECTORY(luabind)
ENDIF(EQEMU_BUILD_LUA)
ADD_SUBDIRECTORY(libwebsockets)

38
dependencies/libwebsockets/.gitignore vendored Normal file
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@ -0,0 +1,38 @@
#Ignore build files
Makefile
config.h
config.log
config.status
libtool
stamp-h1
output/
win32port/ipch/
win32port/Debug*/
win32port/Release*/
win32port/server/Debug*/
win32port/server/Release*/
win32port/client/Debug*/
win32port/client/Release*/
win32port/libwebsocketswin32/Debug*/
win32port/libwebsocketswin32/Release*/
win32port/zlib/Debug*/
win32port/zlib/Release*/
*.vcxproj.user
*.opensdf
*.sdf
*.suo
*.su
*.m4
missing
depcomp
install-sh
configure
compile
config.guess
*~
*.orig
autom4te.cache/
ltmain.sh
config.sub
ar-lib
libwebsockets.pc

29
dependencies/libwebsockets/Android.mk vendored Normal file
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@ -0,0 +1,29 @@
# example Android Native Library makefile
# contributed by Gregory Junker <ggjunker@gmail.com>
LOCAL_PATH:= $(call my-dir)
include $(CLEAR_VARS)
LOCAL_MODULE := libwebsockets
LOCAL_CFLAGS := -DLWS_BUILTIN_GETIFADDRS
LWS_LIB_PATH := ../../../shared/libwebsockets/lib
LOCAL_C_INCLUDES:= $(LOCAL_PATH)/$(LWS_LIB_PATH)
LOCAL_SRC_FILES := \
$(LWS_LIB_PATH)/base64-decode.c \
$(LWS_LIB_PATH)/client.c \
$(LWS_LIB_PATH)/client-handshake.c \
$(LWS_LIB_PATH)/client-parser.c \
$(LWS_LIB_PATH)/daemonize.c \
$(LWS_LIB_PATH)/extension.c \
$(LWS_LIB_PATH)/extension-deflate-frame.c \
$(LWS_LIB_PATH)/extension-deflate-stream.c \
$(LWS_LIB_PATH)/getifaddrs.c \
$(LWS_LIB_PATH)/handshake.c \
$(LWS_LIB_PATH)/libwebsockets.c \
$(LWS_LIB_PATH)/md5.c \
$(LWS_LIB_PATH)/output.c \
$(LWS_LIB_PATH)/parsers.c \
$(LWS_LIB_PATH)/sha-1.c
include $(BUILD_STATIC_LIBRARY)

914
dependencies/libwebsockets/CMakeLists.txt vendored Normal file
View File

@ -0,0 +1,914 @@
cmake_minimum_required(VERSION 2.6)
project(libwebsockets)
set(PACKAGE "libwebsockets")
set(CPACK_PACKAGE_NAME "${PACKAGE}")
set(CPACK_PACKAGE_VERSION_MAJOR "1")
set(CPACK_PACKAGE_VERSION_MINOR "3")
set(CPACK_PACKAGE_VERSION "${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}")
set(CPACK_PACKAGE_VENDOR "andy@warmcat.com")
set(CPACK_PACKAGE_DESCRIPTION_SUMMARY "${PACKAGE} ${PACKAGE_VERSION}")
set(SOVERSION "4.0.0")
set(CPACK_SOURCE_GENERATOR "TGZ")
set(CPACK_SOURCE_PACKAGE_FILE_NAME "${CPACK_PACKAGE_NAME}-${CPACK_PACKAGE_VERSION}")
set(VERSION "${CPACK_PACKAGE_VERSION}")
set(LWS_LIBRARY_VERSION ${CPACK_PACKAGE_VERSION})
set(CMAKE_MODULE_PATH ${CMAKE_MODULE_PATH} "${PROJECT_SOURCE_DIR}/cmake/")
message(STATUS "CMAKE_TOOLCHAIN_FILE='${CMAKE_TOOLCHAIN_FILE}'")
# Try to find the current Git hash.
find_package(Git)
if(GIT_EXECUTABLE)
execute_process(
WORKING_DIRECTORY "${CMAKE_CURRENT_SOURCE_DIR}"
COMMAND "${GIT_EXECUTABLE}" log -n 1 --pretty=%h
OUTPUT_VARIABLE GIT_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE
)
set(LWS_BUILD_HASH ${GIT_HASH})
message("Git commit hash: ${LWS_BUILD_HASH}")
endif()
option(LWS_WITH_SSL "Include SSL support (default OpenSSL, CyaSSL if LWS_USE_CYASSL is set)" OFF)
option(LWS_SSL_CLIENT_USE_OS_CA_CERTS "SSL support should make use of OS installed CA root certs" ON)
option(LWS_USE_EXTERNAL_ZLIB "Search the system for ZLib instead of using the included one (on Windows)" OFF)
option(LWS_USE_CYASSL "Use CyaSSL replacement for OpenSSL. When settings this, you also need to specify LWS_CYASSL_LIB and LWS_CYASSL_INCLUDE_DIRS" OFF)
option(LWS_WITHOUT_BUILTIN_GETIFADDRS "Don't use BSD getifaddrs implementation from libwebsockets if it is missing (this will result in a compilation error) ... Default is your libc provides it. On some systems such as uclibc it doesn't exist." OFF)
option(LWS_WITHOUT_CLIENT "Don't build the client part of the library" ON)
option(LWS_WITHOUT_SERVER "Don't build the server part of the library" OFF)
option(LWS_LINK_TESTAPPS_DYNAMIC "Link the test apps to the shared version of the library. Default is to link statically" ON)
option(LWS_WITHOUT_TESTAPPS "Don't build the libwebsocket-test-apps" ON)
option(LWS_WITHOUT_TEST_SERVER "Don't build the test server" ON)
option(LWS_WITHOUT_TEST_SERVER_EXTPOLL "Don't build the test server version that uses external poll" ON)
option(LWS_WITHOUT_TEST_PING "Don't build the ping test application" ON)
option(LWS_WITHOUT_TEST_CLIENT "Don't build the client test application" ON)
option(LWS_WITHOUT_TEST_FRAGGLE "Don't build the ping test application" ON)
option(LWS_WITHOUT_DEBUG "Don't compile debug related code" OFF)
option(LWS_WITHOUT_EXTENSIONS "Don't compile with extensions" OFF)
option(LWS_WITH_LATENCY "Build latency measuring code into the library" OFF)
option(LWS_WITHOUT_DAEMONIZE "Don't build the daemonization api" OFF)
option(LWS_WITH_LIBEV "Compile with support for libev" OFF)
option(LWS_IPV6 "Compile with support for ipv6" ON)
option(LWS_WITH_HTTP2 "Compile with support for http2" OFF)
# Allow the user to override installation directories.
set(LWS_INSTALL_LIB_DIR lib CACHE PATH "Installation directory for libraries")
set(LWS_INSTALL_BIN_DIR "." CACHE PATH "Installation directory for executables")
set(LWS_INSTALL_INCLUDE_DIR include CACHE PATH "Installation directory for header files")
set(LWS_INSTALL_EXAMPLES_DIR "." CACHE PATH "Installation directory for example files")
if (LWS_WITHOUT_CLIENT AND LWS_WITHOUT_SERVER)
message(FATAL_ERROR "Makes no sense to compile without both client or server.")
endif()
# The base dir where the test-apps look for the SSL certs.
set(LWS_OPENSSL_CLIENT_CERTS ../share CACHE PATH "Server SSL certificate directory")
if (WIN32)
set(LWS_OPENSSL_CLIENT_CERTS . CACHE PATH "Client SSL certificate directory")
if (LWS_IPV6)
set(LWS_IPV6 OFF)
message(WARNING "IPv6 does currently not work on Windows!")
endif()
else()
set(LWS_OPENSSL_CLIENT_CERTS /etc/pki/tls/certs/ CACHE PATH "Client SSL certificate directory")
endif()
set(LWS_CYASSL_LIB CACHE PATH "Path to the CyaSSL library")
set(LWS_CYASSL_INCLUDE_DIRS CACHE PATH "Path to the CyaSSL include directory")
if (LWS_USE_CYASSL)
if ("${LWS_CYASSL_LIB}" STREQUAL "" OR "${LWS_CYASSL_INCLUDE_DIRS}" STREQUAL "")
message(FATAL_ERROR "You must set LWS_CYASSL_LIB and LWS_CYASSL_INCLUDE_DIRS when LWS_USE_CYASSL is turned on")
endif()
set(USE_CYASSL 1)
endif()
if (LWS_WITHOUT_EXTENSIONS)
set(LWS_NO_EXTENSIONS 1)
endif()
if (LWS_WITH_SSL)
set(LWS_OPENSSL_SUPPORT 1)
endif()
if (LWS_SSL_CLIENT_USE_OS_CA_CERTS)
set(LWS_SSL_CLIENT_USE_OS_CA_CERTS 1)
endif()
if (LWS_WITH_LATENCY)
set(LWS_LATENCY 1)
endif()
if (LWS_WITHOUT_DAEMONIZE OR WIN32)
set(LWS_NO_DAEMONIZE 1)
endif()
if (LWS_WITHOUT_SERVER)
set(LWS_NO_SERVER 1)
endif()
if (LWS_WITHOUT_CLIENT)
set(LWS_NO_CLIENT 1)
endif()
if (LWS_WITHOUT_DEBUG)
set(_DEBUG 0)
else()
set(_DEBUG 1)
endif()
if (LWS_WITH_LIBEV)
set(LWS_USE_LIBEV 1)
set(LWS_NO_EXTERNAL_POLL 1)
endif()
if (LWS_IPV6)
set(LWS_USE_IPV6 1)
endif()
if (LWS_WITH_HTTP2)
set(LWS_USE_HTTP2 1)
endif()
if (MINGW)
set(LWS_MINGW_SUPPORT 1)
endif()
include_directories("${PROJECT_BINARY_DIR}")
include(CheckCSourceCompiles)
# Check for different inline keyword versions.
foreach(KEYWORD "inline" "__inline__" "__inline")
set(CMAKE_REQUIRED_DEFINITIONS "-DKEYWORD=${KEYWORD}")
CHECK_C_SOURCE_COMPILES(
"
#include <stdio.h>
KEYWORD void a() {}
int main(int argc, char **argv) { a(); return 0; }
" HAVE_${KEYWORD})
endforeach()
if (NOT HAVE_inline)
if (HAVE___inline__)
set(inline __inline__)
elseif(HAVE___inline)
set(inline __inline)
endif()
endif()
# Put the libaries and binaries that get built into directories at the
# top of the build tree rather than in hard-to-find leaf directories.
SET(CMAKE_RUNTIME_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/bin")
SET(CMAKE_LIBRARY_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
SET(CMAKE_ARCHIVE_OUTPUT_DIRECTORY "${PROJECT_BINARY_DIR}/lib")
# Put absolute path of dynamic libraries into the object code. Some
# architectures, notably Mac OS X, need this.
SET(CMAKE_INSTALL_NAME_DIR "${CMAKE_INSTALL_PREFIX}/${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}")
# So we can include the CMake generated config file only when
# building with CMAKE.
add_definitions(-DCMAKE_BUILD)
include(CheckFunctionExists)
include(CheckIncludeFile)
include(CheckIncludeFiles)
include(CheckLibraryExists)
include(CheckTypeSize)
CHECK_FUNCTION_EXISTS(bzero HAVE_BZERO)
CHECK_FUNCTION_EXISTS(fork HAVE_FORK)
CHECK_FUNCTION_EXISTS(getenv HAVE_GETENV)
CHECK_FUNCTION_EXISTS(malloc HAVE_MALLOC)
CHECK_FUNCTION_EXISTS(memset HAVE_MEMSET)
CHECK_FUNCTION_EXISTS(realloc HAVE_REALLOC)
CHECK_FUNCTION_EXISTS(socket HAVE_SOCKET)
CHECK_FUNCTION_EXISTS(strerror HAVE_STRERROR)
CHECK_FUNCTION_EXISTS(vfork HAVE_VFORK)
CHECK_FUNCTION_EXISTS(getifaddrs HAVE_GETIFADDRS)
if (NOT HAVE_GETIFADDRS)
if (LWS_WITHOUT_BUILTIN_GETIFADDRS)
message(FATAL_ERROR "No getifaddrs was found on the system. Turn off the LWS_WITHOUT_BUILTIN_GETIFADDRS compile option to use the supplied BSD version.")
endif()
set(LWS_BUILTIN_GETIFADDRS 1)
endif()
CHECK_INCLUDE_FILE(dlfcn.h HAVE_DLFCN_H)
CHECK_INCLUDE_FILE(fcntl.h HAVE_FCNTL_H)
CHECK_INCLUDE_FILE(in6addr.h HAVE_IN6ADDR_H)
CHECK_INCLUDE_FILE(inttypes.h HAVE_INTTYPES_H)
CHECK_INCLUDE_FILE(memory.h HAVE_MEMORY_H)
CHECK_INCLUDE_FILE(netinet/in.h HAVE_NETINET_IN_H)
CHECK_INCLUDE_FILE(stdint.h HAVE_STDINT_H)
CHECK_INCLUDE_FILE(stdlib.h HAVE_STDLIB_H)
CHECK_INCLUDE_FILE(strings.h HAVE_STRINGS_H)
CHECK_INCLUDE_FILE(string.h HAVE_STRING_H)
CHECK_INCLUDE_FILE(sys/prctl.h HAVE_SYS_PRCTL_H)
CHECK_INCLUDE_FILE(sys/socket.h HAVE_SYS_SOCKET_H)
CHECK_INCLUDE_FILE(sys/stat.h HAVE_SYS_STAT_H)
CHECK_INCLUDE_FILE(sys/types.h HAVE_SYS_TYPES_H)
CHECK_INCLUDE_FILE(unistd.h HAVE_UNISTD_H)
CHECK_INCLUDE_FILE(vfork.h HAVE_VFORK_H)
CHECK_INCLUDE_FILE(zlib.h HAVE_ZLIB_H)
# TODO: These can be tested if they actually work also...
set(HAVE_WORKING_FORK HAVE_FORK)
set(HAVE_WORKING_VFORK HAVE_VFORK)
CHECK_INCLUDE_FILES("stdlib.h;stdarg.h;string.h;float.h" STDC_HEADERS)
CHECK_TYPE_SIZE(pid_t PID_T_SIZE)
CHECK_TYPE_SIZE(size_t SIZE_T_SIZE)
if (NOT PID_T_SIZE)
set(pid_t int)
endif()
if (NOT SIZE_T_SIZE)
set(size_t "unsigned int")
endif()
if (NOT HAVE_MALLOC)
set(malloc rpl_malloc)
endif()
if (NOT HAVE_REALLOC)
set(realloc rpl_realloc)
endif()
# Generate the config.h that includes all the compilation settings.
configure_file(
"${PROJECT_SOURCE_DIR}/config.h.cmake"
"${PROJECT_BINARY_DIR}/lws_config.h")
if (MSVC)
# Turn off stupid microsoft security warnings.
add_definitions(-D_CRT_SECURE_NO_DEPRECATE -D_CRT_NONSTDC_NO_DEPRECATE)
endif(MSVC)
include_directories("${PROJECT_SOURCE_DIR}/lib")
# Group headers and sources.
# Some IDEs use this for nicer file structure.
set(HDR_PRIVATE
lib/private-libwebsockets.h
"${PROJECT_BINARY_DIR}/lws_config.h"
)
set(HDR_PUBLIC
"${PROJECT_SOURCE_DIR}/lib/libwebsockets.h"
)
set(SOURCES
lib/base64-decode.c
lib/handshake.c
lib/libwebsockets.c
lib/service.c
lib/pollfd.c
lib/output.c
lib/parsers.c
lib/context.c
lib/sha-1.c
)
if (NOT LWS_WITHOUT_CLIENT)
list(APPEND SOURCES
lib/client.c
lib/client-handshake.c
lib/client-parser.c
)
endif()
if (LWS_WITH_SSL)
list(APPEND SOURCES
lib/ssl.c
)
endif()
if (LWS_WITH_HTTP2)
list(APPEND SOURCES
lib/ssl-http2.c
)
endif()
# select the active platform files
if (WIN32)
list(APPEND SOURCES
lib/lws-plat-win.c
)
else()
list(APPEND SOURCES
lib/lws-plat-unix.c
)
endif()
if (NOT LWS_WITHOUT_SERVER)
list(APPEND SOURCES
lib/server.c
lib/server-handshake.c
)
endif()
if (NOT LWS_WITHOUT_EXTENSIONS)
list(APPEND HDR_PRIVATE
lib/extension-deflate-frame.h
lib/extension-deflate-stream.h
)
list(APPEND SOURCES
lib/extension.c
lib/extension-deflate-frame.c
lib/extension-deflate-stream.c
)
endif()
if (LWS_WITH_LIBEV)
list(APPEND SOURCES
lib/libev.c
)
endif(LWS_WITH_LIBEV)
# Add helper files for Windows.
if (WIN32)
set(WIN32_HELPERS_PATH win32port/win32helpers)
include_directories(${WIN32_HELPERS_PATH})
else(WIN32)
# Unix.
if (NOT LWS_WITHOUT_DAEMONIZE)
list(APPEND SOURCES
lib/daemonize.c
)
endif()
endif(WIN32)
if (UNIX)
if (NOT HAVE_GETIFADDRS)
list(APPEND HDR_PRIVATE lib/getifaddrs.h)
list(APPEND SOURCES lib/getifaddrs.c)
endif()
endif(UNIX)
if (CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
if (UNIX)
set( CMAKE_C_FLAGS "-Wall -Werror -O4 -fvisibility=hidden ${CMAKE_C_FLAGS}" )
else(UNIX)
set( CMAKE_C_FLAGS "-Wall -O4 -fvisibility=hidden ${CMAKE_C_FLAGS}" )
endif(UNIX)
endif ()
source_group("Headers Private" FILES ${HDR_PRIVATE})
source_group("Headers Public" FILES ${HDR_PUBLIC})
source_group("Sources" FILES ${SOURCES})
#
# Create the lib.
#
add_library(websockets STATIC
${HDR_PRIVATE}
${HDR_PUBLIC}
${SOURCES})
add_library(websockets_shared SHARED
${HDR_PRIVATE}
${HDR_PUBLIC}
${SOURCES})
if (WIN32)
# On Windows libs have the same file ending (.lib)
# for both static and shared libraries, so we
# need a unique name for the static one.
set_target_properties(websockets
PROPERTIES
OUTPUT_NAME websockets_static)
# Compile as DLL (export function declarations)
set_property(
TARGET websockets_shared
PROPERTY COMPILE_DEFINITIONS
LWS_DLL
LWS_INTERNAL
)
endif(WIN32)
# We want the shared lib to be named "libwebsockets"
# not "libwebsocket_shared".
set_target_properties(websockets_shared
PROPERTIES
OUTPUT_NAME websockets)
# Set the so version of the lib.
# Equivalent to LDFLAGS=-version-info x:x:x
if(CMAKE_COMPILER_IS_GNUCC OR CMAKE_COMPILER_IS_GNUCXX)
foreach(lib websockets websockets_shared)
set_target_properties(${lib}
PROPERTIES
SOVERSION ${SOVERSION})
endforeach()
endif()
set(LIB_LIST)
#
# Find libraries.
#
#
# ZLIB (Only needed for deflate extensions).
#
if (NOT LWS_WITHOUT_EXTENSIONS)
if (WIN32 AND NOT LWS_USE_EXTERNAL_ZLIB)
message("Using included Zlib version")
# Compile ZLib if needed.
set(WIN32_ZLIB_PATH "win32port/zlib")
set(ZLIB_SRCS
${WIN32_ZLIB_PATH}/adler32.c
${WIN32_ZLIB_PATH}/compress.c
${WIN32_ZLIB_PATH}/crc32.c
${WIN32_ZLIB_PATH}/deflate.c
${WIN32_ZLIB_PATH}/gzclose.c
${WIN32_ZLIB_PATH}/gzio.c
${WIN32_ZLIB_PATH}/gzlib.c
${WIN32_ZLIB_PATH}/gzread.c
${WIN32_ZLIB_PATH}/gzwrite.c
${WIN32_ZLIB_PATH}/infback.c
${WIN32_ZLIB_PATH}/inffast.c
${WIN32_ZLIB_PATH}/inflate.c
${WIN32_ZLIB_PATH}/inftrees.c
${WIN32_ZLIB_PATH}/trees.c
${WIN32_ZLIB_PATH}/uncompr.c
${WIN32_ZLIB_PATH}/zutil.c
)
# Create the library.
add_library(ZLIB STATIC ${ZLIB_SRCS})
# Set the same variables as find_package would.
set(ZLIB_INCLUDE_DIRS ${WIN32_ZLIB_PATH})
get_property(ZLIB_LIBRARIES TARGET ZLIB PROPERTY LOCATION)
set(ZLIB_FOUND 1)
else()
find_package(ZLIB REQUIRED)
endif()
# Make sure ZLib is compiled before the libs.
foreach (lib websockets websockets_shared)
add_dependencies(${lib} ZLIB)
endforeach()
message("ZLib include dirs: ${ZLIB_INCLUDE_DIRS}")
message("ZLib libraries: ${ZLIB_LIBRARIES}")
include_directories(${ZLIB_INCLUDE_DIRS})
list(APPEND LIB_LIST ${ZLIB_LIBRARIES})
endif(NOT LWS_WITHOUT_EXTENSIONS)
#
# OpenSSL
#
if (LWS_WITH_SSL)
message("Compiling with SSL support")
if (LWS_USE_CYASSL)
# Use CyaSSL as OpenSSL replacement.
# TODO: Add a find_package command for this also.
message("CyaSSL include dir: ${LWS_CYASSL_INCLUDE_DIRS}")
message("CyaSSL libraries: ${LWS_CYASSL_LIB}")
# Additional to the root directory we need to include
# the cyassl/ subdirectory which contains the OpenSSL
# compatability layer headers.
foreach(inc ${LWS_CYASSL_INCLUDE_DIRS})
include_directories("${inc}" "${inc}/cyassl")
endforeach()
list(APPEND LIB_LIST "${LWS_CYASSL_LIB}")
else()
# TODO: Add support for STATIC also.
find_package(OpenSSL REQUIRED)
message("OpenSSL include dir: ${OPENSSL_INCLUDE_DIR}")
message("OpenSSL libraries: ${OPENSSL_LIBRARIES}")
include_directories("${OPENSSL_INCLUDE_DIR}")
list(APPEND LIB_LIST ${OPENSSL_LIBRARIES})
# Link against dynamic linking functions.
# (Don't link directly to libdl since it is not needed on all platforms, it's now a part of libc).
list(APPEND LIB_LIST ${CMAKE_DL_LIBS})
endif()
endif(LWS_WITH_SSL)
if (LWS_WITH_LIBEV)
list(APPEND LIB_LIST "ev")
endif(LWS_WITH_LIBEV)
#
# Platform specific libs.
#
if (WINCE)
list(APPEND LIB_LIST ws2.lib)
elseif (WIN32)
list(APPEND LIB_LIST ws2_32.lib)
endif()
if (UNIX)
list(APPEND LIB_LIST m)
endif()
# Setup the linking for all libs.
foreach (lib websockets websockets_shared)
target_link_libraries(${lib} ${LIB_LIST})
endforeach()
#
# Test applications
#
set(TEST_APP_LIST)
if (NOT LWS_WITHOUT_TESTAPPS)
#
# Helper function for adding a test app.
#
macro(create_test_app TEST_NAME MAIN_SRC)
set(TEST_SRCS ${MAIN_SRC})
set(TEST_HDR)
if (WIN32)
list(APPEND TEST_SRCS
${WIN32_HELPERS_PATH}/getopt.c
${WIN32_HELPERS_PATH}/getopt_long.c
${WIN32_HELPERS_PATH}/gettimeofday.c
)
list(APPEND TEST_HDR
${WIN32_HELPERS_PATH}/getopt.h
${WIN32_HELPERS_PATH}/gettimeofday.h
)
endif(WIN32)
source_group("Headers Private" FILES ${TEST_HDR})
source_group("Sources" FILES ${TEST_SRCS})
add_executable(${TEST_NAME} ${TEST_SRCS} ${TEST_HDR})
if (LWS_LINK_TESTAPPS_DYNAMIC)
target_link_libraries(${TEST_NAME} websockets_shared)
add_dependencies(${TEST_NAME} websockets_shared)
else(LWS_LINK_TESTAPPS_DYNAMIC)
target_link_libraries(${TEST_NAME} websockets)
add_dependencies(${TEST_NAME} websockets)
endif(LWS_LINK_TESTAPPS_DYNAMIC)
# Set test app specific defines.
set_property(TARGET ${TEST_NAME}
PROPERTY COMPILE_DEFINITIONS
INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
)
# Prefix the binary names with libwebsockets.
set_target_properties(${TEST_NAME}
PROPERTIES
OUTPUT_NAME libwebsockets-${TEST_NAME})
# Add to the list of tests.
list(APPEND TEST_APP_LIST ${TEST_NAME})
endmacro()
if (LWS_WITH_SSL AND NOT LWS_USE_CYASSL)
message("Searching for OpenSSL executable and dlls")
find_package(OpenSSLbins)
message("OpenSSL executable: ${OPENSSL_EXECUTABLE}")
endif()
if (NOT LWS_WITHOUT_SERVER)
#
# test-server
#
if (NOT LWS_WITHOUT_TEST_SERVER)
create_test_app(test-server "test-server/test-server.c")
endif()
#
# test-server-extpoll
#
if (NOT LWS_WITHOUT_TEST_SERVER_EXTPOLL)
create_test_app(test-server-extpoll "test-server/test-server.c")
# Set defines for this executable only.
set_property(
TARGET test-server-extpoll
PROPERTY COMPILE_DEFINITIONS
EXTERNAL_POLL
INSTALL_DATADIR="${CMAKE_INSTALL_PREFIX}/share"
)
# We need to link against winsock code.
if (WIN32)
target_link_libraries(test-server-extpoll ws2_32.lib)
endif(WIN32)
endif()
# Data files for running the test server.
set(TEST_SERVER_DATA
"${PROJECT_SOURCE_DIR}/test-server/favicon.ico"
"${PROJECT_SOURCE_DIR}/test-server/leaf.jpg"
"${PROJECT_SOURCE_DIR}/test-server/libwebsockets.org-logo.png"
"${PROJECT_SOURCE_DIR}/test-server/test.html")
# Generate self-signed SSL certs for the test-server.
if (LWS_WITH_SSL AND OPENSSL_EXECUTABLE AND NOT LWS_WITHOUT_TEST_SERVER)
message("Generating SSL Certificates for the test-server...")
set(TEST_SERVER_SSL_KEY "${PROJECT_BINARY_DIR}/libwebsockets-test-server.key.pem")
set(TEST_SERVER_SSL_CERT "${PROJECT_BINARY_DIR}/libwebsockets-test-server.pem")
if (WIN32)
file(WRITE "${PROJECT_BINARY_DIR}/openssl_input.txt"
"GB\n"
"Erewhon\n"
"All around\n"
"libwebsockets-test\n"
"localhost\n"
"none@invalid.org\n\n"
)
# The "type" command is a bit picky with paths.
file(TO_NATIVE_PATH "${PROJECT_BINARY_DIR}/openssl_input.txt" OPENSSL_INPUT_WIN_PATH)
message("OPENSSL_INPUT_WIN_PATH = ${OPENSSL_INPUT_WIN_PATH}")
message("cmd = \"${OPENSSL_EXECUTABLE}\" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout \"${TEST_SERVER_SSL_KEY}\" -out \"${TEST_SERVER_SSL_CERT}\"")
execute_process(
COMMAND cmd /c type "${OPENSSL_INPUT_WIN_PATH}"
COMMAND "${OPENSSL_EXECUTABLE}" req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
RESULT_VARIABLE OPENSSL_RETURN_CODE)
message("\n")
if (OPENSSL_RETURN_CODE)
message(WARNING "!!! Failed to generate SSL certificate for Test Server using cmd.exe !!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
else()
message("SUCCSESFULLY generated SSL certificate")
endif()
else()
# Unix.
execute_process(
COMMAND printf "GB\\nErewhon\\nAll around\\nlibwebsockets-test\\n\\nlocalhost\\nnone@invalid.org\\n"
COMMAND "${OPENSSL_EXECUTABLE}"
req -new -newkey rsa:1024 -days 10000 -nodes -x509 -keyout "${TEST_SERVER_SSL_KEY}" -out "${TEST_SERVER_SSL_CERT}"
RESULT_VARIABLE OPENSSL_RETURN_CODE)
if (OPENSSL_RETURN_CODE)
message(WARNING "!!! Failed to generate SSL certificate for Test Server!!!:\nOpenSSL return code = ${OPENSSL_RETURN_CODE}")
else()
message("SUCCSESFULLY generated SSL certificate")
endif()
endif()
list(APPEND TEST_SERVER_DATA
"${TEST_SERVER_SSL_KEY}"
"${TEST_SERVER_SSL_CERT}")
endif()
add_custom_command(TARGET test-server
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E make_directory "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server")
# Copy the file needed to run the server so that the test apps can
# reach them from their default output location
foreach (TEST_FILE ${TEST_SERVER_DATA})
if (EXISTS ${TEST_FILE})
add_custom_command(TARGET test-server
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E copy "${TEST_FILE}" "$<TARGET_FILE_DIR:test-server>/../share/libwebsockets-test-server" VERBATIM)
endif()
endforeach()
endif(NOT LWS_WITHOUT_SERVER)
if (NOT LWS_WITHOUT_CLIENT)
#
# test-client
#
if (NOT LWS_WITHOUT_TEST_CLIENT)
create_test_app(test-client "test-server/test-client.c")
endif()
#
# test-fraggle
#
if (NOT LWS_WITHOUT_TEST_FRAGGLE)
create_test_app(test-fraggle "test-server/test-fraggle.c")
endif()
#
# test-ping
#
if (NOT LWS_WITHOUT_TEST_PING)
create_test_app(test-ping "test-server/test-ping.c")
endif()
#
# test-echo
#
if (NOT WITHOUT_TEST_ECHO)
create_test_app(test-echo "test-server/test-echo.c")
endif()
endif(NOT LWS_WITHOUT_CLIENT)
#
# Copy OpenSSL dlls to the output directory on Windows.
# (Otherwise we'll get an error when trying to run)
#
if (WIN32 AND LWS_WITH_SSL AND NOT LWS_USE_CYASSL)
if(OPENSSL_BIN_FOUND)
message("OpenSSL dlls found:")
message(" Libeay: ${LIBEAY_BIN}")
message(" SSLeay: ${SSLEAY_BIN}")
foreach(TARGET_BIN ${TEST_APP_LIST})
add_custom_command(TARGET ${TARGET_BIN}
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E copy "${LIBEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
add_custom_command(TARGET ${TARGET_BIN}
POST_BUILD
COMMAND "${CMAKE_COMMAND}" -E copy "${SSLEAY_BIN}" "$<TARGET_FILE_DIR:${TARGET_BIN}>" VERBATIM)
endforeach()
endif()
endif()
endif(NOT LWS_WITHOUT_TESTAPPS)
if (UNIX)
# Generate documentation.
# TODO: Fix this on Windows.
message("Generating API documentation")
file(GLOB C_FILES "${PROJECT_SOURCE_DIR}/lib/*.c")
execute_process(COMMAND "${CMAKE_COMMAND}" -E make_directory "${PROJECT_BINARY_DIR}/doc/")
execute_process(
COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -html ${C_FILES} ${HDR_PUBLIC}
OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.html"
ERROR_QUIET)
execute_process(
COMMAND "${PROJECT_SOURCE_DIR}/scripts/kernel-doc" -text ${C_FILES} ${HDR_PUBLIC}
OUTPUT_FILE "${PROJECT_BINARY_DIR}/doc/libwebsockets-api-doc.txt"
ERROR_QUIET)
# Generate and install pkgconfig.
# (This is not indented, because the tabs will be part of the output)
file(WRITE "${PROJECT_BINARY_DIR}/libwebsockets.pc"
"prefix=\"${CMAKE_INSTALL_PREFIX}\"
exec_prefix=\${prefix}
libdir=\${exec_prefix}/lib${LIB_SUFFIX}
includedir=\${prefix}/include
Name: libwebsockets
Description: Websockets server and client library
Version: ${CPACK_PACKAGE_VERSION_MAJOR}.${CPACK_PACKAGE_VERSION_MINOR}
Libs: -L\${libdir} -lwebsockets
Cflags: -I\${includedir}"
)
install(FILES "${PROJECT_BINARY_DIR}/libwebsockets.pc"
DESTINATION lib${LIB_SUFFIX}/pkgconfig)
endif(UNIX)
#
# Installation preparations.
#
if(WIN32 AND NOT CYGWIN)
set(DEF_INSTALL_CMAKE_DIR cmake)
else()
set(DEF_INSTALL_CMAKE_DIR lib/cmake/libwebsockets)
endif()
set(LWS_INSTALL_CMAKE_DIR ${DEF_INSTALL_CMAKE_DIR} CACHE PATH "Installation directory for CMake files")
# Export targets (This is used for other CMake projects to easily find the libraries and include files).
export(TARGETS websockets websockets_shared
FILE "${PROJECT_BINARY_DIR}/LibwebsocketsTargets.cmake")
export(PACKAGE libwebsockets)
# Generate the config file for the build-tree.
set(LWS__INCLUDE_DIRS
"${PROJECT_SOURCE_DIR}/lib"
"${PROJECT_BINARY_DIR}")
set(LIBWEBSOCKETS_INCLUDE_DIRS ${LWS__INCLUDE_DIRS} CACHE PATH "Libwebsockets include directories")
configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
${PROJECT_BINARY_DIR}/LibwebsocketsConfig.cmake
@ONLY)
# Generate the config file for the installation tree.
get_filename_component(LWS_ABSOLUTE_INSTALL_CMAKE_DIR ${LWS_INSTALL_CMAKE_DIR} ABSOLUTE)
get_filename_component(LWS_ABSOLUTE_INSTALL_INCLUDE_DIR ${LWS_INSTALL_INCLUDE_DIR} ABSOLUTE)
file(RELATIVE_PATH
REL_INCLUDE_DIR
"${LWS_ABSOLUTE_INSTALL_CMAKE_DIR}"
"${LWS_ABSOLUTE_INSTALL_INCLUDE_DIR}") # Calculate the relative directory from the cmake dir.
# Note the EVENT_CMAKE_DIR is defined in JanssonConfig.cmake.in,
# we escape it here so it's evaluated when it is included instead
# so that the include dirs are given relative to where the
# config file is located.
set(LWS__INCLUDE_DIRS
"\${LWS_CMAKE_DIR}/${REL_INCLUDE_DIR}")
configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfig.cmake.in
${PROJECT_BINARY_DIR}${CMAKE_FILES_DIRECTORY}/LibwebsocketsConfig.cmake
@ONLY)
# Generate version info for both build-tree and install-tree.
configure_file(${PROJECT_SOURCE_DIR}/cmake/LibwebsocketsConfigVersion.cmake.in
${PROJECT_BINARY_DIR}/LibwebsocketsConfigVersion.cmake
@ONLY)
set_target_properties(websockets websockets_shared
PROPERTIES PUBLIC_HEADER "${HDR_PUBLIC}")
#
# Installation.
#
# Install libs and headers.
install(TARGETS websockets websockets_shared
EXPORT LibwebsocketsTargets
LIBRARY DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
ARCHIVE DESTINATION "${LWS_INSTALL_LIB_DIR}${LIB_SUFFIX}" COMPONENT libraries
RUNTIME DESTINATION "${LWS_INSTALL_BIN_DIR}" COMPONENT libraries # Windows DLLs
PUBLIC_HEADER DESTINATION "${LWS_INSTALL_INCLUDE_DIR}" COMPONENT dev)
set(CPACK_COMPONENT_LIBRARIES_DISPLAY_NAME "Libraries")
set(CPACK_COMPONENT_DEV_DISPLAY_NAME "Development files")
# Install test apps.
if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_CLIENT)
install(TARGETS test-client ${TEST_APP_LIST}
RUNTIME DESTINATION ${LWS_INSTALL_EXAMPLES_DIR}
COMPONENT examples)
set(CPACK_COMPONENT_EXAMPLES_DISPLAY_NAME "Example files")
endif()
# Programs shared files used by the test-server.
if (NOT LWS_WITHOUT_TESTAPPS AND NOT LWS_WITHOUT_SERVER)
install(FILES ${TEST_SERVER_DATA}
DESTINATION share/libwebsockets-test-server
COMPONENT examples)
endif()
# Install exports for the install-tree.
install(EXPORT LibwebsocketsTargets
DESTINATION "${LWS_INSTALL_CMAKE_DIR}" COMPONENT dev)
# build subdir is not part of sources
set(CPACK_SOURCE_IGNORE_FILES $(CPACK_SOURCE_IGNORE_FILES) ".git" "build" "tgz" "tar.gz")
# Most people are more used to "make dist" compared to "make package_source"
add_custom_target(dist COMMAND "${CMAKE_MAKE_PROGRAM}" package_source)
include(UseRPMTools)
if (RPMTools_FOUND)
RPMTools_ADD_RPM_TARGETS(libwebsockets libwebsockets.spec)
endif()
message("---------------------------------------------------------------------")
message(" Settings: (For more help do cmake -LH <srcpath>")
message("---------------------------------------------------------------------")
message(" LWS_WITH_SSL = ${LWS_WITH_SSL} (SSL Support)")
message(" LWS_SSL_CLIENT_USE_OS_CA_CERTS = ${LWS_SSL_CLIENT_USE_OS_CA_CERTS}")
message(" LWS_USE_CYASSL = ${LWS_USE_CYASSL} (CyaSSL replacement for OpenSSL)")
if (LWS_USE_CYASSL)
message(" LWS_CYASSL_LIB = ${LWS_CYASSL_LIB}")
message(" LWS_CYASSL_INCLUDE_DIRS = ${LWS_CYASSL_INCLUDE_DIRS}")
endif()
message(" LWS_WITHOUT_BUILTIN_GETIFADDRS = ${LWS_WITHOUT_BUILTIN_GETIFADDRS}")
message(" LWS_WITHOUT_CLIENT = ${LWS_WITHOUT_CLIENT}")
message(" LWS_WITHOUT_SERVER = ${LWS_WITHOUT_SERVER}")
message(" LWS_LINK_TESTAPPS_DYNAMIC = ${LWS_LINK_TESTAPPS_DYNAMIC}")
message(" LWS_WITHOUT_TESTAPPS = ${LWS_WITHOUT_TESTAPPS}")
message(" LWS_WITHOUT_TEST_SERVER = ${LWS_WITHOUT_TEST_SERVER}")
message(" LWS_WITHOUT_TEST_SERVER_EXTPOLL = ${LWS_WITHOUT_TEST_SERVER_EXTPOLL}")
message(" LWS_WITHOUT_TEST_PING = ${LWS_WITHOUT_TEST_PING}")
message(" LWS_WITHOUT_TEST_CLIENT = ${LWS_WITHOUT_TEST_CLIENT}")
message(" LWS_WITHOUT_TEST_FRAGGLE = ${LWS_WITHOUT_TEST_FRAGGLE}")
message(" LWS_WITHOUT_DEBUG = ${LWS_WITHOUT_DEBUG}")
message(" LWS_WITHOUT_EXTENSIONS = ${LWS_WITHOUT_EXTENSIONS}")
message(" LWS_WITH_LATENCY = ${LWS_WITH_LATENCY}")
message(" LWS_WITHOUT_DAEMONIZE = ${LWS_WITHOUT_DAEMONIZE}")
message(" LWS_USE_LIBEV = ${LWS_USE_LIBEV}")
message(" LWS_IPV6 = ${LWS_IPV6}")
message(" LWS_WITH_HTTP2 = ${LWS_WITH_HTTP2}")
message("---------------------------------------------------------------------")
# These will be available to parent projects including libwebsockets using add_subdirectory()
set(LIBWEBSOCKETS_LIBRARIES websocket websockets_shared CACHE STRING "Libwebsocket libraries")
set(LIBWEBSOCKETS_LIBRARIES_STATIC websocket CACHE STRING "Libwebsocket static library")
set(LIBWEBSOCKETS_LIBRARIES_SHARED websockets_shared CACHE STRING "Libwebsocket shared library")
# This must always be last!
include(CPack)

526
dependencies/libwebsockets/LICENSE vendored Normal file
View File

@ -0,0 +1,526 @@
Libwebsockets and included programs are provided under the terms of the GNU
Library General Public License (LGPL) 2.1, with the following exceptions:
1) Static linking of programs with the libwebsockets library does not
constitute a derivative work and does not require the author to provide
source code for the program, use the shared libwebsockets libraries, or
link their program against a user-supplied version of libwebsockets.
If you link the program to a modified version of libwebsockets, then the
changes to libwebsockets must be provided under the terms of the LGPL in
sections 1, 2, and 4.
2) You do not have to provide a copy of the libwebsockets license with
programs that are linked to the libwebsockets library, nor do you have to
identify the libwebsockets license in your program or documentation as
required by section 6 of the LGPL.
However, programs must still identify their use of libwebsockets. The
following example statement can be included in user documentation to
satisfy this requirement:
"[program] is based in part on the work of the libwebsockets project
(http://libwebsockets.org)"
GNU LESSER GENERAL PUBLIC LICENSE
Version 2.1, February 1999
Copyright (C) 1991, 1999 Free Software Foundation, Inc.
51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
Everyone is permitted to copy and distribute verbatim copies
of this license document, but changing it is not allowed.
[This is the first released version of the Lesser GPL. It also counts
as the successor of the GNU Library Public License, version 2, hence
the version number 2.1.]
Preamble
The licenses for most software are designed to take away your
freedom to share and change it. By contrast, the GNU General Public
Licenses are intended to guarantee your freedom to share and change
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That's all there is to it!

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This is the libwebsockets C library for lightweight websocket clients and
servers. For support, visit
http://libwebsockets.org
and consider joining the project mailing list at
http://ml.libwebsockets.org/mailman/listinfo/libwebsockets
You can get the latest version of the library from git
http://git.libwebsockets.org
https://github.com/warmcat/libwebsockets
for more information:
README.build - information on building the library
README.coding - information for writing code using the library
README.test-apps - information about the test apps built with the library

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Introduction to CMake
---------------------
CMake is a multi-platform build tool that can generate build files for many
different target platforms. See more info at http://www.cmake.org
CMake also allows/recommends you to do "out of source"-builds, that is,
the build files are separated from your sources, so there is no need to
create elaborate clean scripts to get a clean source tree, instead you
simply remove your build directory.
Libwebsockets has been tested to build successfully on the following platforms
with SSL support (both OpenSSL/CyaSSL):
- Windows
- Linux (x86 and ARM)
- OSX
- NetBSD
Building the library and test apps
----------------------------------
The project settings used by CMake to generate the platform specific build
files is called CMakeLists.txt. CMake then uses one of its "Generators" to
output a Visual Studio project or Make file for instance. To see a list of
the available generators for your platform, simply run the "cmake" command.
Note that by default OpenSSL will be linked, if you don't want SSL support
see below on how to toggle compile options.
Building on Unix:
-----------------
1. Install CMake 2.6 or greater: http://cmake.org/cmake/resources/software.html
(Most Unix distributions comes with a packaged version also)
2. Install OpenSSL.
3. Generate the build files (default is Make files):
cd /path/to/src
mkdir build
cd build
cmake ..
(NOTE: The build/ directory can have any name and be located anywhere
on your filesystem, and that the argument ".." given to cmake is simply
the source directory of libwebsockets containing the CMakeLists.txt
project file. All examples in this file assumes you use "..")
NOTE2
A common option you may want to give is to set the install path, same
as --prefix= with autotools. It defaults to /usr/local.
You can do this by, eg
cmake .. -DCMAKE_INSTALL_PREFIX:PATH=/usr
NOTE3
On machines that want libraries in lib64, you can also add the
following to the cmake line
-DLIB_SUFFIX=64
NOTE4
If you are building against a non-distro OpenSSL (eg, in order to get
access to ALPN support only in newer OpenSSL versions) the nice way to
express that in one cmake command is eg,
-DOPENSSL_ROOT_DIR=/usr/local/ssl
4. Finally you can build using the generated Makefile:
make
Quirk of cmake
--------------
When changing cmake options, for some reason the only way to get it to see the
changes sometimes is delete the contents of your build directory and do the
cmake from scratch.
Building on Windows (Visual Studio)
-----------------------------------
1. Install CMake 2.6 or greater: http://cmake.org/cmake/resources/software.html
2. Install OpenSSL binaries. http://www.openssl.org/related/binaries.html
(Preferably in the default location to make it easier for CMake to find them)
3. Generate the Visual studio project by opening the Visual Studio cmd prompt:
cd <path to src>
md build
cd build
cmake -G "Visual Studio 10" ..
(NOTE: There is also a cmake-gui available on Windows if you prefer that)
4. Now you should have a generated Visual Studio Solution in your
<path to src>/build directory, which can be used to build.
Setting compile options
-----------------------
To set compile time flags you can either use one of the CMake gui applications
or do it via command line.
Command line
------------
To list avaialable options (ommit the H if you don't want the help text):
cmake -LH ..
Then to set an option and build (for example turn off SSL support):
cmake -DLWS_WITH_SSL=0 ..
or
cmake -DLWS_WITH_SSL:BOOL=OFF ..
Unix GUI
--------
If you have a curses enabled build you simply type:
(not all packages include this, my debian install does not for example).
ccmake
Windows GUI
-----------
On windows CMake comes with a gui application:
Start -> Programs -> CMake -> CMake (cmake-gui)
CyaSSL replacement for OpenSSL
------------------------------
CyaSSL is a lightweight SSL library targeted at embedded system:
http://www.yassl.com/yaSSL/Products-cyassl.html
It contains a OpenSSL compatability layer which makes it possible to pretty
much link to it instead of OpenSSL, giving a much smaller footprint.
NOTE: cyassl needs to be compiled using the --enable-opensslextra flag for
this to work.
Compiling libwebsockets with CyaSSL
-----------------------------------
cmake .. -DLWS_USE_CYASSL=1 \
-DLWS_CYASSL_INCLUDE_DIRS=/path/to/cyassl \
-DLWS_CYASSL_LIB=/path/to/cyassl/cyassl.a ..
NOTE: On windows use the .lib file extension for LWS_CYASSL_LIB instead.
Cross compiling
---------------
To enable cross compiling libwebsockets using CMake you need to create
a "Toolchain file" that you supply to CMake when generating your build files.
CMake will then use the cross compilers and build paths specified in this file
to look for dependencies and such.
Libwebsockets includes an example toolchain file cross-arm-linux-gnueabihf.cmake
you can use as a starting point.
The commandline to configure for cross with this would look like
cmake .. -DCMAKE_INSTALL_PREFIX:PATH=/usr \
-DCMAKE_TOOLCHAIN_FILE=../cross-arm-linux-gnueabihf.cmake \
-DWITHOUT_EXTENSIONS=1 -DWITH_SSL=0
The example shows how to build with no external cross lib dependencies, you
need to proide the cross libraries otherwise.
NOTE: start from an EMPTY build directory if you had a non-cross build in there
before the settings will be cached and your changes ignored.
Additional information on cross compilation with CMake:
http://www.vtk.org/Wiki/CMake_Cross_Compiling
Memory efficiency
-----------------
Embedded server-only configuration without extensions (ie, no compression
on websocket connections), but with full v13 websocket features and http
server, built on ARM Cortex-A9:
Update at 8dac94d (2013-02-18)
./configure --without-client --without-extensions --disable-debug --without-daemonize
Context Creation, 1024 fd limit[2]: 16720 (includes 12 bytes per fd)
Per-connection [3]: 72 bytes, +1328 during headers
.text .rodata .data .bss
11512 2784 288 4
This shows the impact of the major configuration with/without options at
13ba5bbc633ea962d46d using Ubuntu ARM on a PandaBoard ES.
These are accounting for static allocations from the library elf, there are
additional dynamic allocations via malloc. These are a bit old now but give
the right idea for relative "expense" of features.
Static allocations, ARM9
.text .rodata .data .bss
All (no without) 35024 9940 336 4104
without client 25684 7144 336 4104
without client, exts 21652 6288 288 4104
without client, exts, debug[1] 19756 3768 288 4104
without server 30304 8160 336 4104
without server, exts 25382 7204 288 4104
without server, exts, debug[1] 23712 4256 288 4104
[1] --disable-debug only removes messages below lwsl_notice. Since that is
the default logging level the impact is not noticable, error, warn and notice
logs are all still there.
[2] 1024 fd per process is the default limit (set by ulimit) in at least Fedora
and Ubuntu. You can make significant savings tailoring this to actual expected
peak fds, ie, at a limit of 20, context creation allocation reduces to 4432 +
240 = 4672)
[3] known header content is freed after connection establishment

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Daemonization
-------------
There's a helper api lws_daemonize built by default that does everything you
need to daemonize well, including creating a lock file. If you're making
what's basically a daemon, just call this early in your init to fork to a
headless background process and exit the starting process.
Notice stdout, stderr, stdin are all redirected to /dev/null to enforce your
daemon is headless, so you'll need to sort out alternative logging, by, eg,
syslog.
Maximum number of connections
-----------------------------
The maximum number of connections the library can deal with is decided when
it starts by querying the OS to find out how many file descriptors it is
allowed to open (1024 on Fedora for example). It then allocates arrays that
allow up to that many connections, minus whatever other file descriptors are
in use by the user code.
If you want to restrict that allocation, or increase it, you can use ulimit or
similar to change the avaiable number of file descriptors, and when restarted
libwebsockets will adapt accordingly.
Libwebsockets is singlethreaded
-------------------------------
Directly performing websocket actions from other threads is not allowed.
Aside from the internal data being inconsistent in forked() processes,
the scope of a wsi (struct websocket) can end at any time during service
with the socket closing and the wsi freed.
Websocket write activities should only take place in the
"LWS_CALLBACK_SERVER_WRITEABLE" callback as described below.
Only live connections appear in the user callbacks, so this removes any
possibility of trying to used closed and freed wsis.
If you need to service other socket or file descriptors as well as the
websocket ones, you can combine them together with the websocket ones
in one poll loop, see "External Polling Loop support" below, and
still do it all in one thread / process context.
Only send data when socket writeable
------------------------------------
You should only send data on a websocket connection from the user callback
"LWS_CALLBACK_SERVER_WRITEABLE" (or "LWS_CALLBACK_CLIENT_WRITEABLE" for
clients).
If you want to send something, do not just send it but request a callback
when the socket is writeable using
- libwebsocket_callback_on_writable(context, wsi) for a specific wsi, or
- libwebsocket_callback_on_writable_all_protocol(protocol) for all connections
using that protocol to get a callback when next writeable.
Usually you will get called back immediately next time around the service
loop, but if your peer is slow or temporarily inactive the callback will be
delayed accordingly. Generating what to write and sending it should be done
in the ...WRITEABLE callback.
See the test server code for an example of how to do this.
Do not rely on only your own WRITEABLE requests appearing
---------------------------------------------------------
Libwebsockets may generate additional LWS_CALLBACK_CLIENT_WRITEABLE events
if it met network conditions where it had to buffer your send data internally.
So your code for LWS_CALLBACK_CLIENT_WRITEABLE needs to own the decision
about what to send, it can't assume that just because the writeable callback
came it really is time to send something.
It's quite possible you get an 'extra' writeable callback at any time and
just need to return 0 and wait for the expected callback later.
Closing connections from the user side
--------------------------------------
When you want to close a connection, you do it by returning -1 from a
callback for that connection.
You can provoke a callback by calling libwebsocket_callback_on_writable on
the wsi, then notice in the callback you want to close it and just return -1.
But usually, the decision to close is made in a callback already and returning
-1 is simple.
If the socket knows the connection is dead, because the peer closed or there
was an affirmitive network error like a FIN coming, then libwebsockets will
take care of closing the connection automatically.
If you have a silently dead connection, it's possible to enter a state where
the send pipe on the connection is choked but no ack will ever come, so the
dead connection will never become writeable. To cover that, you can use TCP
keepalives (see later in this document)
Fragmented messages
-------------------
To support fragmented messages you need to check for the final
frame of a message with libwebsocket_is_final_fragment. This
check can be combined with libwebsockets_remaining_packet_payload
to gather the whole contents of a message, eg:
case LWS_CALLBACK_RECEIVE:
{
Client * const client = (Client *)user;
const size_t remaining = libwebsockets_remaining_packet_payload(wsi);
if (!remaining && libwebsocket_is_final_fragment(wsi)) {
if (client->HasFragments()) {
client->AppendMessageFragment(in, len, 0);
in = (void *)client->GetMessage();
len = client->GetMessageLength();
}
client->ProcessMessage((char *)in, len, wsi);
client->ResetMessage();
} else
client->AppendMessageFragment(in, len, remaining);
}
break;
The test app llibwebsockets-test-fraggle sources also show how to
deal with fragmented messages.
Debug Logging
-------------
Also using lws_set_log_level api you may provide a custom callback to actually
emit the log string. By default, this points to an internal emit function
that sends to stderr. Setting it to NULL leaves it as it is instead.
A helper function lwsl_emit_syslog() is exported from the library to simplify
logging to syslog. You still need to use setlogmask, openlog and closelog
in your user code.
The logging apis are made available for user code.
lwsl_err(...)
lwsl_warn(...)
lwsl_notice(...)
lwsl_info(...)
lwsl_debug(...)
The difference between notice and info is that notice will be logged by default
whereas info is ignored by default.
External Polling Loop support
-----------------------------
libwebsockets maintains an internal poll() array for all of its
sockets, but you can instead integrate the sockets into an
external polling array. That's needed if libwebsockets will
cooperate with an existing poll array maintained by another
server.
Four callbacks LWS_CALLBACK_ADD_POLL_FD, LWS_CALLBACK_DEL_POLL_FD,
LWS_CALLBACK_SET_MODE_POLL_FD and LWS_CALLBACK_CLEAR_MODE_POLL_FD
appear in the callback for protocol 0 and allow interface code to
manage socket descriptors in other poll loops.
You can pass all pollfds that need service to libwebsocket_service_fd(), even
if the socket or file does not belong to libwebsockets it is safe.
If libwebsocket handled it, it zeros the pollfd revents field before returning.
So you can let libwebsockets try and if pollfd->revents is nonzero on return,
you know it needs handling by your code.
Using with in c++ apps
----------------------
The library is ready for use by C++ apps. You can get started quickly by
copying the test server
$ cp test-server/test-server.c test.cpp
and building it in C++ like this
$ g++ -DINSTALL_DATADIR=\"/usr/share\" -ocpptest test.cpp -lwebsockets
INSTALL_DATADIR is only needed because the test server uses it as shipped, if
you remove the references to it in your app you don't need to define it on
the g++ line either.
Availability of header information
----------------------------------
From v1.2 of the library onwards, the HTTP header content is free()d as soon
as the websocket connection is established. For websocket servers, you can
copy interesting headers by handling LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION
callback, for clients there's a new callback just for this purpose
LWS_CALLBACK_CLIENT_FILTER_PRE_ESTABLISH.
TCP Keepalive
-------------
It is possible for a connection which is not being used to send to die
silently somewhere between the peer and the side not sending. In this case
by default TCP will just not report anything and you will never get any more
incoming data or sign the link is dead until you try to send.
To deal with getting a notification of that situation, you can choose to
enable TCP keepalives on all libwebsockets sockets, when you create the
context.
To enable keepalive, set the ka_time member of the context creation parameter
struct to a nonzero value (in seconds) at context creation time. You should
also fill ka_probes and ka_interval in that case.
With keepalive enabled, the TCP layer will send control packets that should
stimulate a response from the peer without affecting link traffic. If the
response is not coming, the socket will announce an error at poll() forcing
a close.
Note that BSDs don't support keepalive time / probes / inteveral per-socket
like Linux does. On those systems you can enable keepalive by a nonzero
value in ka_time, but the systemwide kernel settings for the time / probes/
interval are used, regardless of what nonzero value is in ka_time.
Optimizing SSL connections
--------------------------
There's a member ssl_cipher_list in the lws_context_creation_info struct
which allows the user code to restrict the possible cipher selection at
context-creation time.
You might want to look into that to stop the ssl peers selecting a ciher which
is too computationally expensive. To use it, point it to a string like
"RC4-MD5:RC4-SHA:AES128-SHA:AES256-SHA:HIGH:!DSS:!aNULL"
if left NULL, then the "DEFAULT" set of ciphers are all possible to select.
Async nature of client connections
----------------------------------
When you call libwebsocket_client_connect(..) and get a wsi back, it does not
mean your connection is active. It just mean it started trying to connect.
Your client connection is actually active only when you receive
LWS_CALLBACK_CLIENT_ESTABLISHED for it.
There's a 5 second timeout for the connection, and it may give up or die for
other reasons, if any of that happens you'll get a
LWS_CALLBACK_CLIENT_CONNECTION_ERROR callback on protocol 0 instead for the
wsi.
After attempting the connection and getting back a non-NULL wsi you should
loop calling libwebsocket_service() until one of the above callbacks occurs.
As usual, see test-client.c for example code.

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Testing server with a browser
-----------------------------
If you run libwebsockets-test-server and point your browser
(eg, Chrome) to
http://127.0.0.1:7681
It will fetch a script in the form of test.html, and then run the
script in there on the browser to open a websocket connection.
Incrementing numbers should appear in the browser display.
By default the test server logs to both stderr and syslog, you can control
what is logged using -d <log level>, see later.
Running test server as a Daemon
-------------------------------
You can use the -D option on the test server to have it fork into the
background and return immediately. In this daemonized mode all stderr is
disabled and logging goes only to syslog, eg, /var/log/messages or similar.
The server maintains a lockfile at /tmp/.lwsts-lock that contains the pid
of the master process, and deletes this file when the master process
terminates.
To stop the daemon, do
kill `cat /tmp/.lwsts-lock`
If it finds a stale lock (the pid mentioned in the file does not exist
any more) it will delete the lock and create a new one during startup.
If the lock is valid, the daemon will exit with a note on stderr that
it was already running.s
Using SSL on the server side
----------------------------
To test it using SSL/WSS, just run the test server with
$ libwebsockets-test-server --ssl
and use the URL
https://127.0.0.1:7681
The connection will be entirely encrypted using some generated
certificates that your browser will not accept, since they are
not signed by any real Certificate Authority. Just accept the
certificates in the browser and the connection will proceed
in first https and then websocket wss, acting exactly the
same.
test-server.c is all that is needed to use libwebsockets for
serving both the script html over http and websockets.
Testing websocket client support
--------------------------------
If you run the test server as described above, you can also
connect to it using the test client as well as a browser.
$ libwebsockets-test-client localhost
will by default connect to the test server on localhost:7681
and print the dumb increment number from the server at the
same time as drawing random circles in the mirror protocol;
if you connect to the test server using a browser at the
same time you will be able to see the circles being drawn.
Testing simple echo
-------------------
You can test against echo.websockets.org as a sanity test like
this (the client connects to port 80 by default):
$ libwebsockets-test-echo --client echo.websocket.org
This echo test is of limited use though because it doesn't
negotiate any protocol. You can run the same test app as a
local server, by default on localhost:7681
$ libwebsockets-test-echo
and do the echo test against the local echo server
$ libwebsockets-test-echo --client localhost --port 7681
If you add the --ssl switch to both the client and server, you can also test
with an encrypted link.
Testing SSL on the client side
------------------------------
To test SSL/WSS client action, just run the client test with
$ libwebsockets-test-client localhost --ssl
By default the client test applet is set to accept selfsigned
certificates used by the test server, this is indicated by the
use_ssl var being set to 2. Set it to 1 to reject any server
certificate that it doesn't have a trusted CA cert for.
Using the websocket ping utility
--------------------------------
libwebsockets-test-ping connects as a client to a remote
websocket server using 04 protocol and pings it like the
normal unix ping utility.
$ libwebsockets-test-ping localhost
handshake OK for protocol lws-mirror-protocol
Websocket PING localhost.localdomain (127.0.0.1) 64 bytes of data.
64 bytes from localhost: req=1 time=0.1ms
64 bytes from localhost: req=2 time=0.1ms
64 bytes from localhost: req=3 time=0.1ms
64 bytes from localhost: req=4 time=0.2ms
64 bytes from localhost: req=5 time=0.1ms
64 bytes from localhost: req=6 time=0.2ms
64 bytes from localhost: req=7 time=0.2ms
64 bytes from localhost: req=8 time=0.1ms
^C
--- localhost.localdomain websocket ping statistics ---
8 packets transmitted, 8 received, 0% packet loss, time 7458ms
rtt min/avg/max = 0.110/0.185/0.218 ms
$
By default it sends 64 byte payload packets using the 04
PING packet opcode type. You can change the payload size
using the -s= flag, up to a maximum of 125 mandated by the
04 standard.
Using the lws-mirror protocol that is provided by the test
server, libwebsockets-test-ping can also use larger payload
sizes up to 4096 is BINARY packets; lws-mirror will copy
them back to the client and they appear as a PONG. Use the
-m flag to select this operation.
The default interval between pings is 1s, you can use the -i=
flag to set this, including fractions like -i=0.01 for 10ms
interval.
Before you can even use the PING opcode that is part of the
standard, you must complete a handshake with a specified
protocol. By default lws-mirror-protocol is used which is
supported by the test server. But if you are using it on
another server, you can specify the protcol to handshake with
by --protocol=protocolname
Fraggle test app
----------------
By default it runs in server mode
$ libwebsockets-test-fraggle
libwebsockets test fraggle
(C) Copyright 2010-2011 Andy Green <andy@warmcat.com> licensed under LGPL2.1
Compiled with SSL support, not using it
Listening on port 7681
server sees client connect
accepted v06 connection
Spamming 360 random fragments
Spamming session over, len = 371913. sum = 0x2D3C0AE
Spamming 895 random fragments
Spamming session over, len = 875970. sum = 0x6A74DA1
...
You need to run a second session in client mode, you have to
give the -c switch and the server address at least:
$ libwebsockets-test-fraggle -c localhost
libwebsockets test fraggle
(C) Copyright 2010-2011 Andy Green <andy@warmcat.com> licensed under LGPL2.1
Client mode
Connecting to localhost:7681
denied deflate-stream extension
handshake OK for protocol fraggle-protocol
client connects to server
EOM received 371913 correctly from 360 fragments
EOM received 875970 correctly from 895 fragments
EOM received 247140 correctly from 258 fragments
EOM received 695451 correctly from 692 fragments
...
The fraggle test sends a random number up to 1024 fragmented websocket frames
each of a random size between 1 and 2001 bytes in a single message, then sends
a checksum and starts sending a new randomly sized and fragmented message.
The fraggle test client receives the same message fragments and computes the
same checksum using websocket framing to see when the message has ended. It
then accepts the server checksum message and compares that to its checksum.
proxy support
-------------
The http_proxy environment variable is respected by the client
connection code for both ws:// and wss://. It doesn't support
authentication.
You use it like this
export http_proxy=myproxy.com:3128
libwebsockets-test-client someserver.com
debug logging
-------------
By default logging of severity "notice", "warn" or "err" is enabled to stderr.
Again by default other logging is comiled in but disabled from printing.
If you want to eliminate the debug logging below notice in severity, use the
--disable-debug configure option to have it removed from the code by the
preprocesser.
If you want to see more detailed debug logs, you can control a bitfield to
select which logs types may print using the lws_set_log_level() api, in the
test apps you can use -d <number> to control this. The types of logging
available are (OR together the numbers to select multiple)
1 ERR
2 WARN
4 NOTICE
8 INFO
16 DEBUG
32 PARSER
64 HEADER
128 EXTENSION
256 CLIENT
512 LATENCY
Websocket version supported
---------------------------
The final IETF standard is supported for both client and server, protocol
version 13.
Latency Tracking
----------------
Since libwebsockets runs using poll() and a single threaded approach, any
unexpected latency coming from system calls would be bad news. There's now
a latency tracking scheme that can be built in with --with-latency at
configure-time, logging the time taken for system calls to complete and if
the whole action did complete that time or was deferred.
You can see the detailed data by enabling logging level 512 (eg, -d 519 on
the test server to see that and the usual logs), however even without that
the "worst" latency is kept and reported to the logs with NOTICE severity
when the context is destroyed.
Some care is needed interpreting them, if the action completed the first figure
(in us) is the time taken for the whole action, which may have retried through
the poll loop many times and will depend on network roundtrip times. High
figures here don't indicate a problem. The figure in us reported after "lat"
in the logging is the time taken by this particular attempt. High figures
here may indicate a problem, or if you system is loaded with another app at
that time, such as the browser, it may simply indicate the OS gave preferential
treatment to the other app during that call.

621
dependencies/libwebsockets/changelog vendored Normal file
View File

@ -0,0 +1,621 @@
Changelog
---------
v1.3-chrome37-firefox30
=======================
.gitignore | 1 -
CMakeLists.txt | 447 +++--
README.build | 35 +-
README.coding | 14 +
changelog | 66 +
cmake/LibwebsocketsConfig.cmake.in | 17 +
cmake/LibwebsocketsConfigVersion.cmake.in | 11 +
config.h.cmake | 18 +
cross-ming.cmake | 31 +
cross-openwrt-makefile | 91 +
lib/client-handshake.c | 205 ++-
lib/client-parser.c | 58 +-
lib/client.c | 158 +-
lib/context.c | 341 ++++
lib/extension-deflate-frame.c | 2 +-
lib/extension.c | 178 ++
lib/handshake.c | 287 +---
lib/lextable.h | 338 ++++
lib/libev.c | 175 ++
lib/libwebsockets.c | 2089 +++--------------------
lib/libwebsockets.h | 253 ++-
lib/lws-plat-unix.c | 404 +++++
lib/lws-plat-win.c | 358 ++++
lib/minilex.c | 530 +++---
lib/output.c | 445 ++---
lib/parsers.c | 682 ++++----
lib/pollfd.c | 239 +++
lib/private-libwebsockets.h | 501 +++++-
lib/server-handshake.c | 274 +--
lib/server.c | 858 ++++++++--
lib/service.c | 517 ++++++
lib/sha-1.c | 38 +-
lib/ssl-http2.c | 78 +
lib/ssl.c | 571 +++++++
test-server/attack.sh | 101 +-
test-server/test-client.c | 9 +-
test-server/test-echo.c | 17 +-
test-server/test-fraggle.c | 7 -
test-server/test-ping.c | 12 +-
test-server/test-server.c | 330 ++--
test-server/test.html | 4 +-
win32port/client/client.vcxproj | 259 ---
win32port/client/client.vcxproj.filters | 39 -
.../libwebsocketswin32.vcxproj.filters | 93 -
win32port/server/server.vcxproj | 276 ---
win32port/server/server.vcxproj.filters | 51 -
win32port/win32helpers/gettimeofday.h | 59 +-
win32port/win32helpers/netdb.h | 1 -
win32port/win32helpers/strings.h | 0
win32port/win32helpers/sys/time.h | 1 -
win32port/win32helpers/unistd.h | 0
win32port/win32helpers/websock-w32.c | 104 --
win32port/win32helpers/websock-w32.h | 62 -
win32port/win32port.sln | 100 --
win32port/zlib/gzio.c | 3 +-
55 files changed, 6779 insertions(+), 5059 deletions(-)
User api additions
------------------
POST method is supported
The protocol 0 / HTTP callback can now get two new kinds of callback,
LWS_CALLBACK_HTTP_BODY (in and len are a chunk of the body of the HTTP request)
and LWS_CALLBACK_HTTP_BODY_COMPLETION (the expected amount of body has arrived
and been passed to the user code already). These callbacks are used with the
post method (see the test server for details).
The period between the HTTP header completion and the completion of the body
processing is protected by a 5s timeout.
The chunks are stored in a malloc'd buffer of size protocols[0].rx_buffer_size.
New server option you can enable from user code
LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT allows non-SSL connections to
also be accepted on an SSL listening port. It's disabled unless you enable
it explicitly.
Two new callbacks are added in protocols[0] that are optional for allowing
limited thread access to libwebsockets, LWS_CALLBACK_LOCK_POLL and
LWS_CALLBACK_UNLOCK_POLL.
If you use them, they protect internal and external poll list changes, but if
you want to use external thread access to libwebsocket_callback_on_writable()
you have to implement your locking here even if you don't use external
poll support.
If you will use another thread for this, take a lot of care about managing
your list of live wsi by doing it from ESTABLISHED and CLOSED callbacks
(with your own locking).
If you configure cmake with -DLWS_WITH_LIBEV=1 then the code allowing the libev
eventloop instead of the default poll() one will also be compiled in. But to
use it, you must also set the LWS_SERVER_OPTION_LIBEV flag on the context
creation info struct options member.
IPV6 is supported and enabled by default except for Windows, you can disable
the support at build-time by giving -DLWS_IPV6=, and disable use of it even if
compiled in by making sure the flag LWS_SERVER_OPTION_DISABLE_IPV6 is set on
the context creation info struct options member.
You can give LWS_SERVER_OPTION_DISABLE_OS_CA_CERTS option flag to
guarantee the OS CAs will not be used, even if that support was selected at
build-time.
Optional "token limits" may be enforced by setting the member "token_limits"
in struct lws_context_creation_info to point to a struct lws_token_limits.
NULL means no token limits used for compatibility.
User api changes
----------------
Extra optional argument to libwebsockets_serve_http_file() allows injecion
of HTTP headers into the canned response. Eg, cookies may be added like
that without getting involved in having to send the header by hand.
A new info member http_proxy_address may be used at context creation time to
set the http proxy. If non-NULL, it overrides http_proxy environment var.
Cmake supports LWS_SSL_CLIENT_USE_OS_CA_CERTS defaulting to on, which gets
the client to use the OS CA Roots. If you're worried somebody with the
ability to forge for force creation of a client cert from the root CA in
your OS, you should disable this since your selfsigned $0 cert is a lot safer
then...
v1.23-chrome32-firefox24
========================
Android.mk | 29 +
CMakeLists.txt | 573 ++++++++----
COPYING | 503 -----------
INSTALL | 365 --------
Makefile.am | 13 -
README.build | 371 ++------
README.coding | 63 ++
autogen.sh | 1578 ---------------------------------
changelog | 69 ++
cmake/FindGit.cmake | 163 ++++
cmake/FindOpenSSLbins.cmake | 15 +-
cmake/UseRPMTools.cmake | 176 ++++
config.h.cmake | 25 +-
configure.ac | 226 -----
cross-arm-linux-gnueabihf.cmake | 28 +
lib/Makefile.am | 89 --
lib/base64-decode.c | 98 +-
lib/client-handshake.c | 123 ++-
lib/client-parser.c | 19 +-
lib/client.c | 145 ++-
lib/daemonize.c | 4 +-
lib/extension.c | 2 +-
lib/getifaddrs.h | 4 +-
lib/handshake.c | 76 +-
lib/libwebsockets.c | 491 ++++++----
lib/libwebsockets.h | 164 ++--
lib/output.c | 214 ++++-
lib/parsers.c | 102 +--
lib/private-libwebsockets.h | 66 +-
lib/server-handshake.c | 5 +-
lib/server.c | 29 +-
lib/sha-1.c | 2 +-
libwebsockets-api-doc.html | 249 +++---
libwebsockets.pc.in | 11 -
libwebsockets.spec | 14 +-
m4/ignore-me | 2 -
scripts/FindLibWebSockets.cmake | 33 +
scripts/kernel-doc | 1 +
test-server/Makefile.am | 131 ---
test-server/leaf.jpg | Bin 0 -> 2477518 bytes
test-server/test-client.c | 78 +-
test-server/test-echo.c | 33 +-
test-server/test-fraggle.c | 26 +-
test-server/test-ping.c | 15 +-
test-server/test-server.c | 197 +++-
test-server/test.html | 5 +-
win32port/win32helpers/gettimeofday.c | 74 +-
win32port/win32helpers/websock-w32.h | 6 +-
48 files changed, 2493 insertions(+), 4212 deletions(-)
User api additions
------------------
- You can now call libwebsocket_callback_on_writable() on http connectons,
and get a LWS_CALLBACK_HTTP_WRITEABLE callback, the same way you can
regulate writes with a websocket protocol connection.
- A new member in the context creation parameter struct "ssl_cipher_list" is
added, replacing CIPHERS_LIST_STRING. NULL means use the ssl library
default list of ciphers.
- Not really an api addition, but libwebsocket_service_fd() will now zero
the revents field of the pollfd it was called with if it handled the
descriptor. So you can tell if it is a non-lws fd by checking revents
after the service call... if it's still nonzero, the descriptor
belongs to you and you need to take care of it.
- libwebsocket_rx_flow_allow_all_protocol(protocol) will unthrottle all
connections with the established protocol. It's designed to be
called from user server code when it sees it can accept more input
and may have throttled connections using the server rx flow apis
while it was unable to accept any other input The user server code
then does not have to try to track while connections it choked, this
will free up all of them in one call.
- there's a new, optional callback LWS_CALLBACK_CLOSED_HTTP which gets
called when an HTTP protocol socket closes
- for LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION callback, the user_space alloc
has already been done before the callback happens. That means we can
use the user parameter to the callback to contain the user pointer, and
move the protocol name to the "in" parameter. The docs for this
callback are also updated to reflect how to check headers in there.
- libwebsocket_client_connect() is now properly nonblocking and async. See
README.coding and test-client.c for information on the callbacks you
can rely on controlling the async connection period with.
- if your OS does not support the http_proxy environment variable convention
(eg, reportedly OSX), you can use a new api libwebsocket_set_proxy()
to set the proxy details inbetween context creation and the connection
action. For OSes that support http_proxy, that's used automatically.
User api changes
----------------
- the external poll callbacks now get the socket descriptor coming from the
"in" parameter. The user parameter provides the user_space for the
wsi as it normally does on the other callbacks.
LWS_CALLBACK_FILTER_NETWORK_CONNECTION also has the socket descriptor
delivered by @in now instead of @user.
- libwebsocket_write() now returns -1 for error, or the amount of data
actually accepted for send. Under load, the OS may signal it is
ready to send new data on the socket, but have only a restricted
amount of memory to buffer the packet compared to usual.
User api removal
----------------
- libwebsocket_ensure_user_space() is removed from the public api, if you
were using it to get user_space, you need to adapt your code to only
use user_space inside the user callback.
- CIPHERS_LIST_STRING is removed
- autotools build has been removed. See README.build for info on how to
use CMake for your platform
v1.21-chrome26-firefox18
========================
- Fixes buffer overflow bug in max frame size handling if you used the
default protocol buffer size. If you declared rx_buffer_size in your
protocol, which is recommended anyway, your code was unaffected.
v1.2-chrome26-firefox18
=======================
Diffstat
--------
.gitignore | 16 +++
CMakeLists.txt | 544 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
LICENSE | 526 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++
Makefile.am | 1 +
README | 20 +++
README.build | 258 ++++++++++++++++++++++++++++++++-----
README.coding | 52 ++++++++
changelog | 136 ++++++++++++++++++++
cmake/FindOpenSSLbins.cmake | 33 +++++
config.h.cmake | 173 +++++++++++++++++++++++++
configure.ac | 22 +++-
lib/Makefile.am | 20 ++-
lib/base64-decode.c | 2 +-
lib/client-handshake.c | 190 +++++++++++-----------------
lib/client-parser.c | 88 +++++++------
lib/client.c | 384 ++++++++++++++++++++++++++++++-------------------------
lib/daemonize.c | 32 +++--
lib/extension-deflate-frame.c | 58 +++++----
lib/extension-deflate-stream.c | 19 ++-
lib/extension-deflate-stream.h | 4 +-
lib/extension.c | 11 +-
lib/getifaddrs.c | 315 +++++++++++++++++++++++-----------------------
lib/getifaddrs.h | 30 ++---
lib/handshake.c | 124 +++++++++++-------
lib/libwebsockets.c | 736 ++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++--------------------------------------
lib/libwebsockets.h | 237 ++++++++++++++++++++++------------
lib/output.c | 192 +++++++++++-----------------
lib/parsers.c | 966 +++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++++----------------------------------------------------------------
lib/private-libwebsockets.h | 225 +++++++++++++++++++++------------
lib/server-handshake.c | 82 ++++++------
lib/server.c | 96 +++++++-------
libwebsockets-api-doc.html | 189 ++++++++++++++++++----------
libwebsockets.spec | 17 +--
test-server/attack.sh | 148 ++++++++++++++++++++++
test-server/test-client.c | 125 +++++++++---------
test-server/test-echo.c | 31 +++--
test-server/test-fraggle.c | 32 ++---
test-server/test-ping.c | 52 ++++----
test-server/test-server.c | 129 ++++++++++++-------
win32port/libwebsocketswin32/libwebsocketswin32.vcxproj | 279 ----------------------------------------
win32port/libwebsocketswin32/libwebsocketswin32.vcxproj.filters | 23 +++-
41 files changed, 4398 insertions(+), 2219 deletions(-)
User api additions
------------------
- lws_get_library_version() returns a const char * with a string like
"1.1 9e7f737", representing the library version from configure.ac
and the git HEAD hash the library was built from
- TCP Keepalive can now optionally be applied to all lws sockets, on Linux
also with controllable timeout, number of probes and probe interval.
(On BSD type OS, you can only use system default settings for the
timing and retries, although enabling it is supported by setting
ka_time to nonzero, the exact value has no meaning.)
This enables detection of idle connections which are logically okay,
but are in fact dead, due to network connectivity issues at the server,
client, or any intermediary. By default it's not enabled, but you
can enable it by setting a non-zero timeout (in seconds) at the new
ka_time member at context creation time.
- Two new optional user callbacks added, LWS_CALLBACK_PROTOCOL_DESTROY which
is called one-time per protocol as the context is being destroyed, and
LWS_CALLBACK_PROTOCOL_INIT which is called when the context is created
and the protocols are added, again it's a one-time affair.
This lets you manage per-protocol allocations properly including
cleaning up after yourself when the server goes down.
User api changes
----------------
- libwebsocket_create_context() has changed from taking a ton of parameters
to just taking a pointer to a struct containing the parameters. The
struct lws_context_creation_info is in libwebsockets.h, the members
are in the same order as when they were parameters to the call
previously. The test apps are all updated accordingly so you can
see example code there.
- Header tokens are now deleted after the websocket connection is
established. Not just the header data is saved, but the pointer and
length array is also removed from (union) scope saving several hundred
bytes per connection once it is established
- struct libwebsocket_protocols has a new member rx_buffer_size, this
controls rx buffer size per connection of that protocol now. Sources
for apps built against older versions of the library won't declare
this in their protocols, defaulting it to 0. Zero buffer is legal,
it causes a default buffer to be allocated (currently 4096)
If you want to receive only atomic frames in your user callback, you
should set this to greater than your largest frame size. If a frame
comes that exceeds that, no error occurs but the callback happens as
soon as the buffer limit is reached, and again if it is reached again
or the frame completes. You can detect that has happened by seeing
there is still frame content pending using
libwebsockets_remaining_packet_payload()
By correctly setting this, you can save a lot of memory when your
protocol has small frames (see the test server and client sources).
- LWS_MAX_HEADER_LEN now defaults to 1024 and is the total amount of known
header payload lws can cope with, that includes the GET URL, origin
etc. Headers not understood by lws are ignored and their payload
not included in this.
User api removals
-----------------
- The configuration-time option MAX_USER_RX_BUFFER has been replaced by a
buffer size chosen per-protocol. For compatibility, there's a default
of 4096 rx buffer, but user code should set the appropriate size for
the protocol frames.
- LWS_INITIAL_HDR_ALLOC and LWS_ADDITIONAL_HDR_ALLOC are no longer needed
and have been removed. There's a new header management scheme that
handles them in a much more compact way.
- libwebsockets_hangup_on_client() is removed. If you want to close the
connection you must do so from the user callback and by returning
-1 from there.
- libwebsocket_close_and_free_session() is now private to the library code
only and not exposed for user code. If you want to close the
connection, you must do so from the user callback by returning -1
from there.
New features
------------
- Cmake project file added, aimed initially at Windows support: this replaces
the visual studio project files that were in the tree until now.
- CyaSSL now supported in place of OpenSSL (--use-cyassl on configure)
- PATH_MAX or MAX_PATH no longer needed
- cutomizable frame rx buffer size by protocol
- optional TCP keepalive so dead peers can be detected, can be enabled at
context-creation time
- valgrind-clean: no SSL or CyaSSL: completely clean. With OpenSSL, 88 bytes
lost at OpenSSL library init and symptomless reports of uninitialized
memory usage... seems to be a known and ignored problem at OpenSSL
- By default debug is enabled and the library is built for -O0 -g to faclitate
that. Use --disable-debug configure option to build instead with -O4
and no -g (debug info), obviously providing best performance and
reduced binary size.
- 1.0 introduced some code to try to not deflate small frames, however this
seems to break when confronted with a mixture of frames above and
below the threshold, so it's removed. Veto the compression extension
in your user callback if you will typically have very small frames.
- There are many memory usage improvements, both a reduction in malloc/
realloc and architectural changes. A websocket connection now
consumes only 296 bytes with SSL or 272 bytes without on x86_64,
during header processing an additional 1262 bytes is allocated in a
single malloc, but is freed when the websocket connection starts.
The RX frame buffer defined by the protocol in user
code is also allocated per connection, this represents the largest
frame you can receive atomically in that protocol.
- On ARM9 build, just http+ws server no extensions or ssl, <12Kbytes .text
and 112 bytes per connection (+1328 only during header processing)
v1.1-chrome26-firefox18
=======================
Diffstat
--------
Makefile.am | 4 +
README-test-server | 291 ---
README.build | 239 ++
README.coding | 138 ++
README.rst | 72 -
README.test-apps | 272 +++
configure.ac | 116 +-
lib/Makefile.am | 55 +-
lib/base64-decode.c | 5 +-
lib/client-handshake.c | 121 +-
lib/client-parser.c | 394 ++++
lib/client.c | 807 +++++++
lib/daemonize.c | 212 ++
lib/extension-deflate-frame.c | 132 +-
lib/extension-deflate-stream.c | 12 +-
lib/extension-x-google-mux.c | 1223 ----------
lib/extension-x-google-mux.h | 96 -
lib/extension.c | 8 -
lib/getifaddrs.c | 271 +++
lib/getifaddrs.h | 76 +
lib/handshake.c | 582 +----
lib/libwebsockets.c | 2493 ++++++---------------
lib/libwebsockets.h | 115 +-
lib/md5.c | 217 --
lib/minilex.c | 440 ++++
lib/output.c | 628 ++++++
lib/parsers.c | 2016 +++++------------
lib/private-libwebsockets.h | 284 +--
lib/server-handshake.c | 275 +++
lib/server.c | 377 ++++
libwebsockets-api-doc.html | 300 +--
m4/ignore-me | 2 +
test-server/Makefile.am | 111 +-
test-server/libwebsockets.org-logo.png | Bin 0 -> 7029 bytes
test-server/test-client.c | 45 +-
test-server/test-echo.c | 330 +++
test-server/test-fraggle.c | 20 +-
test-server/test-ping.c | 22 +-
test-server/test-server-extpoll.c | 554 -----
test-server/test-server.c | 349 ++-
test-server/test.html | 3 +-
win32port/zlib/ZLib.vcxproj | 749 ++++---
win32port/zlib/ZLib.vcxproj.filters | 188 +-
win32port/zlib/adler32.c | 348 ++-
win32port/zlib/compress.c | 160 +-
win32port/zlib/crc32.c | 867 ++++----
win32port/zlib/crc32.h | 882 ++++----
win32port/zlib/deflate.c | 3799 +++++++++++++++-----------------
win32port/zlib/deflate.h | 688 +++---
win32port/zlib/gzclose.c | 50 +-
win32port/zlib/gzguts.h | 325 ++-
win32port/zlib/gzlib.c | 1157 +++++-----
win32port/zlib/gzread.c | 1242 ++++++-----
win32port/zlib/gzwrite.c | 1096 +++++----
win32port/zlib/infback.c | 1272 ++++++-----
win32port/zlib/inffast.c | 680 +++---
win32port/zlib/inffast.h | 22 +-
win32port/zlib/inffixed.h | 188 +-
win32port/zlib/inflate.c | 2976 +++++++++++++------------
win32port/zlib/inflate.h | 244 +-
win32port/zlib/inftrees.c | 636 +++---
win32port/zlib/inftrees.h | 124 +-
win32port/zlib/trees.c | 2468 +++++++++++----------
win32port/zlib/trees.h | 256 +--
win32port/zlib/uncompr.c | 118 +-
win32port/zlib/zconf.h | 934 ++++----
win32port/zlib/zlib.h | 3357 ++++++++++++++--------------
win32port/zlib/zutil.c | 642 +++---
win32port/zlib/zutil.h | 526 ++---
69 files changed, 19556 insertions(+), 20145 deletions(-)
user api changes
----------------
- libwebsockets_serve_http_file() now takes a context as first argument
- libwebsockets_get_peer_addresses() now takes a context and wsi as first
two arguments
user api additions
------------------
- lwsl_...() logging apis, default to stderr but retargetable by user code;
may be used also by user code
- lws_set_log_level() set which logging apis are able to emit (defaults to
notice, warn, err severities), optionally set the emit callback
- lwsl_emit_syslog() helper callback emits to syslog
- lws_daemonize() helper code that forks the app into a headless daemon
properly, maintains a lock file with pid in suitable for sysvinit etc to
control lifecycle
- LWS_CALLBACK_HTTP_FILE_COMPLETION callback added since http file
transfer is now asynchronous (see test server code)
- lws_frame_is_binary() from a wsi pointer, let you know if the received
data was sent in BINARY mode
user api removals
-----------------
- libwebsockets_fork_service_loop() - no longer supported (had intractable problems)
arrange your code to act from the user callback instead from same
process context as the service loop
- libwebsockets_broadcast() - use libwebsocket_callback_on_writable[_all_protocol]()
instead from same process context as the service loop. See the test apps
for examples.
- x-google-mux() removed until someone wants it
- pre -v13 (ancient) protocol support removed
New features
------------
- echo test server and client compatible with echo.websocket.org added
- many new configure options (see README.build) to reduce footprint of the
library to what you actually need, eg, --without-client and
--without-server
- http + websocket server can build to as little as 12K .text for ARM
- no more MAX_CLIENTS limitation; adapts to support the max number of fds
allowed to the process by ulimit, defaults to 1024 on Fedora and
Ubuntu. Use ulimit to control this without needing to configure
the library. Code here is smaller and faster.
- adaptive ratio of listen socket to connection socket service allows
good behaviour under Apache ab test load. Tested with thousands
of simultaneous connections
- reduction in per-connection memory footprint by moving to a union to hold
mutually-exclusive state for the connection
- robustness: Out of Memory taken care of for all allocation code now
- internal getifaddrs option if your toolchain lacks it (some uclibc)
- configurable memory limit for deflate operations
- improvements in SSL code nonblocking operation, possible hang solved,
some SSL operations broken down into pollable states so there is
no library blocking, timeout coverage for SSL_connect
- extpoll test server merged into single test server source
- robustness: library should deal with all recoverable socket conditions
- rx flowcontrol for backpressure notification fixed and implmeneted
correctly in the test server
- optimal lexical parser added for header processing; all headers in a
single 276-byte state table
- latency tracking api added (configure --with-latency)
- Improved in-tree documentation, REAME.build, README.coding,
README.test-apps, changelog
- Many small fixes
v1.0-chrome25-firefox17 (6cd1ea9b005933f)

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dependencies/libwebsockets/cmake/FindGit.cmake vendored Normal file
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################################################################################
#
# Program: 3D Slicer
#
# Copyright (c) Kitware Inc.
#
# See COPYRIGHT.txt
# or http://www.slicer.org/copyright/copyright.txt for details.
#
# Unless required by applicable law or agreed to in writing, software
# distributed under the License is distributed on an "AS IS" BASIS,
# WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
# See the License for the specific language governing permissions and
# limitations under the License.
#
# This file was originally developed by Jean-Christophe Fillion-Robin, Kitware Inc.
# and was partially funded by NIH grant 3P41RR013218-12S1
#
# AG 2013-02-18: I got it from here
# https://github.com/Slicer/Slicer/blob/master/CMake/FindGit.cmake
# license is BSD
#
################################################################################
#
# The module defines the following variables:
# GIT_EXECUTABLE - path to git command line client
# GIT_FOUND - true if the command line client was found
#
# If the command line client executable is found the macro
# GIT_WC_INFO(<dir> <var-prefix>)
# is defined to extract information of a git working copy at
# a given location.
#
# The macro defines the following variables:
# <var-prefix>_WC_REVISION_HASH - Current SHA1 hash
# <var-prefix>_WC_REVISION - Current SHA1 hash
# <var-prefix>_WC_REVISION_NAME - Name associated with <var-prefix>_WC_REVISION_HASH
# <var-prefix>_WC_URL - output of command `git config --get remote.origin.url'
# <var-prefix>_WC_ROOT - Same value as working copy URL
# <var-prefix>_WC_GITSVN - Set to false
#
# ... and also the following ones if it's a git-svn repository:
# <var-prefix>_WC_GITSVN - Set to True if it is a
# <var-prefix>_WC_INFO - output of command `git svn info'
# <var-prefix>_WC_URL - url of the associated SVN repository
# <var-prefix>_WC_ROOT - root url of the associated SVN repository
# <var-prefix>_WC_REVISION - current SVN revision number
# <var-prefix>_WC_LAST_CHANGED_AUTHOR - author of last commit
# <var-prefix>_WC_LAST_CHANGED_DATE - date of last commit
# <var-prefix>_WC_LAST_CHANGED_REV - revision of last commit
# <var-prefix>_WC_LAST_CHANGED_LOG - last log of base revision
#
# Example usage:
# find_package(Git)
# if(GIT_FOUND)
# GIT_WC_INFO(${PROJECT_SOURCE_DIR} Project)
# message("Current revision is ${Project_WC_REVISION_HASH}")
# message("git found: ${GIT_EXECUTABLE}")
# endif()
#
# Look for 'git' or 'eg' (easy git)
#
set(git_names git eg)
# Prefer .cmd variants on Windows unless running in a Makefile
# in the MSYS shell.
#
if(WIN32)
if(NOT CMAKE_GENERATOR MATCHES "MSYS")
# Note: Due to a bug in 'git.cmd' preventing it from returning the exit code of 'git',
# we excluded it from the list of executables to search.
# See http://code.google.com/p/msysgit/issues/detail?id=428
# TODO Check if 'git' exists, get the associated version, if the corresponding version
# is known to have a working version of 'git.cmd', use it.
set(git_names git eg.cmd eg)
endif()
endif()
find_program(GIT_EXECUTABLE ${git_names}
PATHS
"C:/Program Files/Git/bin"
"C:/Program Files (x86)/Git/bin"
DOC "git command line client")
mark_as_advanced(GIT_EXECUTABLE)
if(GIT_EXECUTABLE)
macro(GIT_WC_INFO dir prefix)
execute_process(COMMAND ${GIT_EXECUTABLE} rev-parse --verify -q --short=7 HEAD
WORKING_DIRECTORY ${dir}
ERROR_VARIABLE GIT_error
OUTPUT_VARIABLE ${prefix}_WC_REVISION_HASH
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(${prefix}_WC_REVISION ${${prefix}_WC_REVISION_HASH})
if(NOT ${GIT_error} EQUAL 0)
message(SEND_ERROR "Command \"${GIT_EXECUTBALE} rev-parse --verify -q --short=7 HEAD\" in directory ${dir} failed with output:\n${GIT_error}")
else(NOT ${GIT_error} EQUAL 0)
execute_process(COMMAND ${GIT_EXECUTABLE} name-rev ${${prefix}_WC_REVISION_HASH}
WORKING_DIRECTORY ${dir}
OUTPUT_VARIABLE ${prefix}_WC_REVISION_NAME
OUTPUT_STRIP_TRAILING_WHITESPACE)
endif(NOT ${GIT_error} EQUAL 0)
execute_process(COMMAND ${GIT_EXECUTABLE} config --get remote.origin.url
WORKING_DIRECTORY ${dir}
OUTPUT_VARIABLE ${prefix}_WC_URL
OUTPUT_STRIP_TRAILING_WHITESPACE)
set(${prefix}_WC_GITSVN False)
# Check if this git is likely to be a git-svn repository
execute_process(COMMAND ${GIT_EXECUTABLE} config --get-regexp "^svn-remote"
WORKING_DIRECTORY ${dir}
OUTPUT_VARIABLE git_config_output
OUTPUT_STRIP_TRAILING_WHITESPACE
)
if(NOT "${git_config_output}" STREQUAL "")
# In case git-svn is used, attempt to extract svn info
execute_process(COMMAND ${GIT_EXECUTABLE} svn info
WORKING_DIRECTORY ${dir}
TIMEOUT 3
ERROR_VARIABLE git_svn_info_error
OUTPUT_VARIABLE ${prefix}_WC_INFO
RESULT_VARIABLE git_svn_info_result
OUTPUT_STRIP_TRAILING_WHITESPACE)
if(${git_svn_info_result} EQUAL 0)
set(${prefix}_WC_GITSVN True)
string(REGEX REPLACE "^(.*\n)?URL: ([^\n]+).*"
"\\2" ${prefix}_WC_URL "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Revision: ([^\n]+).*"
"\\2" ${prefix}_WC_REVISION "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Repository Root: ([^\n]+).*"
"\\2" ${prefix}_WC_ROOT "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Last Changed Author: ([^\n]+).*"
"\\2" ${prefix}_WC_LAST_CHANGED_AUTHOR "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Last Changed Rev: ([^\n]+).*"
"\\2" ${prefix}_WC_LAST_CHANGED_REV "${${prefix}_WC_INFO}")
string(REGEX REPLACE "^(.*\n)?Last Changed Date: ([^\n]+).*"
"\\2" ${prefix}_WC_LAST_CHANGED_DATE "${${prefix}_WC_INFO}")
endif(${git_svn_info_result} EQUAL 0)
endif(NOT "${git_config_output}" STREQUAL "")
# If there is no 'remote.origin', default to "NA" value and print a warning message.
if(NOT ${prefix}_WC_URL)
message(WARNING "No remote origin set for git repository: ${dir}" )
set( ${prefix}_WC_URL "NA" )
else()
set(${prefix}_WC_ROOT ${${prefix}_WC_URL})
endif()
endmacro(GIT_WC_INFO)
endif(GIT_EXECUTABLE)
# Handle the QUIETLY and REQUIRED arguments and set GIT_FOUND to TRUE if
# all listed variables are TRUE
include(FindPackageHandleStandardArgs)
find_package_handle_standard_args(Git DEFAULT_MSG GIT_EXECUTABLE)

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dependencies/libwebsockets/cmake/FindOpenSSLbins.cmake vendored Normal file
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if(OPENSSL_FOUND)
find_program(OPENSSL_EXECUTABLE openssl openssl.exe bin/openssl.exe
HINTS ${_OPENSSL_ROOT_HINTS}
PATH
/usr/bin/
bin/
DOC "Openssl executable")
mark_as_advanced(OPENSSL_EXECUTABLE)
# On Windows, we need to copy the OpenSSL dlls
# to the output directory.
if(WIN32)
set(OPENSSL_BIN_FOUND 0)
find_file(LIBEAY_BIN
NAMES
libeay32.dll
HINTS
${_OPENSSL_ROOT_HINTS}
PATH_SUFFIXES
bin)
find_file(SSLEAY_BIN
NAMES
ssleay32.dll
HINTS
${_OPENSSL_ROOT_HINTS}
PATH_SUFFIXES
bin)
if(LIBEAY_BIN)
if(SSLEAY_BIN)
set(OPENSSL_BIN_FOUND 1)
endif(SSLEAY_BIN)
endif(LIBEAY_BIN)
endif(WIN32)
endif(OPENSSL_FOUND)

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# - Config file for the Libevent package
# It defines the following variables
# LIBWEBSOCKETS_INCLUDE_DIRS - include directories for FooBar
# LIBWEBSOCKETS_LIBRARIES - libraries to link against
# Get the path of the current file.
get_filename_component(LWS_CMAKE_DIR "${CMAKE_CURRENT_LIST_FILE}" PATH)
# Set the include directories.
set(LIBWEBSOCKETS_INCLUDE_DIRS "@LWS__INCLUDE_DIRS@")
# Include the project Targets file, this contains definitions for IMPORTED targets.
include(${LWS_CMAKE_DIR}/LibwebsocketsTargets.cmake)
# IMPORTED targets from LibwebsocketsTargets.cmake
set(LIBWEBSOCKETS_LIBRARIES websockets websockets_shared)

11
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set(PACKAGE_VERSION "@CPACK_PACKAGE_VERSION@")
# Check whether the requested PACKAGE_FIND_VERSION is compatible
if("${PACKAGE_VERSION}" VERSION_LESS "${PACKAGE_FIND_VERSION}")
set(PACKAGE_VERSION_COMPATIBLE FALSE)
else()
set(PACKAGE_VERSION_COMPATIBLE TRUE)
if ("${PACKAGE_VERSION}" VERSION_EQUAL "${PACKAGE_FIND_VERSION}")
set(PACKAGE_VERSION_EXACT TRUE)
endif()
endif()

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#
# - Find tools needed for building RPM Packages
# on Linux systems and defines macro that helps to
# build source or binary RPM, the MACRO assumes
# CMake 2.4.x which includes CPack support.
# CPack is used to build tar.gz source tarball
# which may be used by a custom user-made spec file.
#
# - Define RPMTools_ADD_RPM_TARGETS which defines
# two (top-level) CUSTOM targets for building
# source and binary RPMs
#
# Those CMake macros are provided by the TSP Developer Team
# https://savannah.nongnu.org/projects/tsp
#
IF (WIN32)
MESSAGE(STATUS "RPM tools not available on Win32 systems")
ENDIF(WIN32)
IF (UNIX)
# Look for RPM builder executable
FIND_PROGRAM(RPMTools_RPMBUILD_EXECUTABLE
NAMES rpmbuild
PATHS "/usr/bin;/usr/lib/rpm"
PATH_SUFFIXES bin
DOC "The RPM builder tool")
IF (RPMTools_RPMBUILD_EXECUTABLE)
MESSAGE(STATUS "Looking for RPMTools... - found rpmuild is ${RPMTools_RPMBUILD_EXECUTABLE}")
SET(RPMTools_RPMBUILD_FOUND "YES")
GET_FILENAME_COMPONENT(RPMTools_BINARY_DIRS ${RPMTools_RPMBUILD_EXECUTABLE} PATH)
ELSE (RPMTools_RPMBUILD_EXECUTABLE)
SET(RPMTools_RPMBUILD_FOUND "NO")
MESSAGE(STATUS "Looking for RPMTools... - rpmbuild NOT FOUND")
ENDIF (RPMTools_RPMBUILD_EXECUTABLE)
# Detect if CPack was included or not
IF (NOT DEFINED "CPACK_PACKAGE_NAME")
MESSAGE(FATAL_ERROR "CPack was not included, you should include CPack before Using RPMTools")
ENDIF (NOT DEFINED "CPACK_PACKAGE_NAME")
IF (RPMTools_RPMBUILD_FOUND)
SET(RPMTools_FOUND TRUE)
#
# - first arg (ARGV0) is RPM name
# - second arg (ARGV1) is the RPM spec file path [optional]
# - third arg (ARGV2) is the RPM ROOT DIRECTORY used to build RPMs [optional]
#
MACRO(RPMTools_ADD_RPM_TARGETS RPMNAME)
#
# If no spec file is provided create a minimal one
#
IF ("${ARGV1}" STREQUAL "")
SET(SPECFILE_PATH "${CMAKE_BINARY_DIR}/${RPMNAME}.spec")
ELSE ("${ARGV1}" STREQUAL "")
SET(SPECFILE_PATH "${ARGV1}")
ENDIF("${ARGV1}" STREQUAL "")
# Verify whether if RPM_ROOTDIR was provided or not
IF("${ARGV2}" STREQUAL "")
SET(RPM_ROOTDIR ${CMAKE_BINARY_DIR}/RPM)
ELSE ("${ARGV2}" STREQUAL "")
SET(RPM_ROOTDIR "${ARGV2}")
ENDIF("${ARGV2}" STREQUAL "")
MESSAGE(STATUS "RPMTools:: Using RPM_ROOTDIR=${RPM_ROOTDIR}")
# Prepare RPM build tree
FILE(MAKE_DIRECTORY ${RPM_ROOTDIR})
FILE(MAKE_DIRECTORY ${RPM_ROOTDIR}/tmp)
FILE(MAKE_DIRECTORY ${RPM_ROOTDIR}/BUILD)
FILE(MAKE_DIRECTORY ${RPM_ROOTDIR}/RPMS)
FILE(MAKE_DIRECTORY ${RPM_ROOTDIR}/SOURCES)
FILE(MAKE_DIRECTORY ${RPM_ROOTDIR}/SPECS)
FILE(MAKE_DIRECTORY ${RPM_ROOTDIR}/SRPMS)
#
# We check whether if the provided spec file is
# to be configure or not.
#
IF ("${ARGV1}" STREQUAL "")
SET(SPECFILE_PATH "${RPM_ROOTDIR}/SPECS/${RPMNAME}.spec")
SET(SPECFILE_NAME "${RPMNAME}.spec")
MESSAGE(STATUS "No Spec file given generate a minimal one --> ${RPM_ROOTDIR}/SPECS/${RPMNAME}.spec")
FILE(WRITE ${RPM_ROOTDIR}/SPECS/${RPMNAME}.spec
"# -*- rpm-spec -*-
Summary: ${RPMNAME}
Name: ${RPMNAME}
Version: ${CPACK_PACKAGE_VERSION}
Release: 1
License: Unknown
Group: Unknown
Source: ${CPACK_SOURCE_PACKAGE_FILE_NAME}.tar.gz
BuildRoot: %{_tmppath}/%{name}-%{CPACK_PACKAGE_VERSION}-1-root
BuildRequires: cmake
%define prefix /opt/${RPMNAME}-%{version}
%define rpmprefix $RPM_BUILD_ROOT%{prefix}
%define srcdirname %{name}-%{version}
%description
${RPMNAME} : No description for now
%prep
%setup -q -n %{srcdirname}
%build
cd ..
rm -rf build_tree
mkdir build_tree
cd build_tree
cmake -DCMAKE_INSTALL_PREFIX=%{rpmprefix} ../%{srcdirname}
make
%install
cd ../build_tree
make install
%clean
rm -rf %{srcdirname}
rm -rf build_tree
%files
%defattr(-,root,root,-)
%dir %{prefix}
%{prefix}/*
%changelog
* Wed Feb 28 2007 Erk <eric.noulard@gmail.com>
Generated by CMake UseRPMTools macros"
)
ELSE ("${ARGV1}" STREQUAL "")
SET(SPECFILE_PATH "${ARGV1}")
GET_FILENAME_COMPONENT(SPECFILE_EXT ${SPECFILE_PATH} EXT)
IF ("${SPECFILE_EXT}" STREQUAL ".spec")
# This is a 'ready-to-use' spec file which does not need to be CONFIGURED
GET_FILENAME_COMPONENT(SPECFILE_NAME ${SPECFILE_PATH} NAME)
MESSAGE(STATUS "Simple copy spec file <${SPECFILE_PATH}> --> <${RPM_ROOTDIR}/SPECS/${SPECFILE_NAME}>")
CONFIGURE_FILE(
${SPECFILE_PATH}
${RPM_ROOTDIR}/SPECS/${SPECFILE_NAME}
COPYONLY)
ELSE ("${SPECFILE_EXT}" STREQUAL ".spec")
# This is a to-be-configured spec file
GET_FILENAME_COMPONENT(SPECFILE_NAME ${SPECFILE_PATH} NAME_WE)
SET(SPECFILE_NAME "${SPECFILE_NAME}.spec")
MESSAGE(STATUS "Configuring spec file <${SPECFILE_PATH}> --> <${RPM_ROOTDIR}/SPECS/${SPECFILE_NAME}>")
CONFIGURE_FILE(
${SPECFILE_PATH}
${RPM_ROOTDIR}/SPECS/${SPECFILE_NAME}
@ONLY)
ENDIF ("${SPECFILE_EXT}" STREQUAL ".spec")
ENDIF("${ARGV1}" STREQUAL "")
ADD_CUSTOM_TARGET(${RPMNAME}_srpm
COMMAND cpack -G TGZ --config CPackSourceConfig.cmake
COMMAND ${CMAKE_COMMAND} -E copy ${CPACK_SOURCE_PACKAGE_FILE_NAME}.tar.gz ${RPM_ROOTDIR}/SOURCES
COMMAND ${RPMTools_RPMBUILD_EXECUTABLE} -bs --define=\"_topdir ${RPM_ROOTDIR}\" --buildroot=${RPM_ROOTDIR}/tmp ${RPM_ROOTDIR}/SPECS/${SPECFILE_NAME}
)
ADD_CUSTOM_TARGET(${RPMNAME}_rpm
COMMAND cpack -G TGZ --config CPackSourceConfig.cmake
COMMAND ${CMAKE_COMMAND} -E copy ${CPACK_SOURCE_PACKAGE_FILE_NAME}.tar.gz ${RPM_ROOTDIR}/SOURCES
COMMAND ${RPMTools_RPMBUILD_EXECUTABLE} -bb --define=\"_topdir ${RPM_ROOTDIR}\" --buildroot=${RPM_ROOTDIR}/tmp ${RPM_ROOTDIR}/SPECS/${SPECFILE_NAME}
)
ENDMACRO(RPMTools_ADD_RPM_TARGETS)
ELSE (RPMTools_RPMBUILD_FOUND)
SET(RPMTools FALSE)
ENDIF (RPMTools_RPMBUILD_FOUND)
ENDIF (UNIX)

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/* config.h.in. Generated from configure.ac by autoheader. */
#ifndef WIN32
#cmakedefine _DEBUG
#endif
/* Define to 1 to use CyaSSL as a replacement for OpenSSL.
* LWS_OPENSSL_SUPPORT needs to be set also for this to work. */
#cmakedefine USE_CYASSL
/* The Libwebsocket version */
#cmakedefine LWS_LIBRARY_VERSION "${LWS_LIBRARY_VERSION}"
/* The current git commit hash that we're building from */
#cmakedefine LWS_BUILD_HASH "${LWS_BUILD_HASH}"
/* Build with OpenSSL support */
#cmakedefine LWS_OPENSSL_SUPPORT
/* The client should load and trust CA root certs it finds in the OS */
#cmakedefine LWS_SSL_CLIENT_USE_OS_CA_CERTS
/* Sets the path where the client certs should be installed. */
#cmakedefine LWS_OPENSSL_CLIENT_CERTS "${LWS_OPENSSL_CLIENT_CERTS}"
/* Turn off websocket extensions */
#cmakedefine LWS_NO_EXTENSIONS
/* Enable libev io loop */
#cmakedefine LWS_USE_LIBEV
/* Build with support for ipv6 */
#cmakedefine LWS_USE_IPV6
/* Build with support for HTTP2 */
#cmakedefine LWS_USE_HTTP2
/* Turn on latency measuring code */
#cmakedefine LWS_LATENCY
/* Don't build the daemonizeation api */
#cmakedefine LWS_NO_DAEMONIZE
/* Build without server support */
#cmakedefine LWS_NO_SERVER
/* Build without client support */
#cmakedefine LWS_NO_CLIENT
/* If we should compile with MinGW support */
#cmakedefine LWS_MINGW_SUPPORT
/* Use the BSD getifaddrs that comes with libwebsocket, for uclibc support */
#cmakedefine LWS_BUILTIN_GETIFADDRS
/* Define to 1 if you have the `bzero' function. */
#cmakedefine HAVE_BZERO
/* Define to 1 if you have the <dlfcn.h> header file. */
#cmakedefine HAVE_DLFCN_H
/* Define to 1 if you have the <fcntl.h> header file. */
#cmakedefine HAVE_FCNTL_H
/* Define to 1 if you have the `fork' function. */
#cmakedefine HAVE_FORK
/* Define to 1 if you have the `getenv’ function. */
#cmakedefine HAVE_GETENV
/* Define to 1 if you have the <in6addr.h> header file. */
#cmakedefine HAVE_IN6ADDR_H
/* Define to 1 if you have the <inttypes.h> header file. */
#cmakedefine HAVE_INTTYPES_H
/* Define to 1 if you have the `ssl' library (-lssl). */
//#cmakedefine HAVE_LIBSSL
/* Define to 1 if your system has a GNU libc compatible `malloc' function, and
to 0 otherwise. */
#cmakedefine HAVE_MALLOC
/* Define to 1 if you have the <memory.h> header file. */
#cmakedefine HAVE_MEMORY_H
/* Define to 1 if you have the `memset' function. */
#cmakedefine HAVE_MEMSET
/* Define to 1 if you have the <netinet/in.h> header file. */
#cmakedefine HAVE_NETINET_IN_H
/* Define to 1 if your system has a GNU libc compatible `realloc' function,
and to 0 otherwise. */
#cmakedefine HAVE_REALLOC
/* Define to 1 if you have the `socket' function. */
#cmakedefine HAVE_SOCKET
/* Define to 1 if you have the <stdint.h> header file. */
#cmakedefine HAVE_STDINT_H
/* Define to 1 if you have the <stdlib.h> header file. */
#cmakedefine HAVE_STDLIB_H
/* Define to 1 if you have the `strerror' function. */
#cmakedefine HAVE_STRERROR
/* Define to 1 if you have the <strings.h> header file. */
#cmakedefine HAVE_STRINGS_H
/* Define to 1 if you have the <string.h> header file. */
#cmakedefine HAVE_STRING_H
/* Define to 1 if you have the <sys/prctl.h> header file. */
#cmakedefine HAVE_SYS_PRCTL_H
/* Define to 1 if you have the <sys/socket.h> header file. */
#cmakedefine HAVE_SYS_SOCKET_H
/* Define to 1 if you have the <sys/stat.h> header file. */
#cmakedefine HAVE_SYS_STAT_H
/* Define to 1 if you have the <sys/types.h> header file. */
#cmakedefine HAVE_SYS_TYPES_H
/* Define to 1 if you have the <unistd.h> header file. */
#cmakedefine HAVE_UNISTD_H
/* Define to 1 if you have the `vfork' function. */
#cmakedefine HAVE_VFORK
/* Define to 1 if you have the <vfork.h> header file. */
#cmakedefine HAVE_VFORK_H
/* Define to 1 if `fork' works. */
#cmakedefine HAVE_WORKING_FORK
/* Define to 1 if `vfork' works. */
#cmakedefine HAVE_WORKING_VFORK
/* Define to 1 if you have the <zlib.h> header file. */
#cmakedefine HAVE_ZLIB_H
/* Define to the sub-directory in which libtool stores uninstalled libraries.
*/
#undef LT_OBJDIR // We're not using libtool
/* Define to 1 if you have the ANSI C header files. */
#cmakedefine STDC_HEADERS
/* Version number of package */
#cmakedefine VERSION
/* Define to rpl_malloc if the replacement function should be used. */
#cmakedefine malloc
/* Define to `int' if <sys/types.h> does not define. */
#cmakedefine pid_t
/* Define to rpl_realloc if the replacement function should be used. */
#cmakedefine realloc
/* Define to `unsigned int' if <sys/types.h> does not define. */
#cmakedefine size_t
/* Define to 1 if we have getifaddrs */
#cmakedefine HAVE_GETIFADDRS
/* Define as `fork' if `vfork' does not work. */
//#cmakedefine vfork
/* Define if the inline keyword doesn't exist. */
#cmakedefine inline

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#
# CMake Toolchain file for crosscompiling on ARM.
#
# This can be used when running cmake in the following way:
# cd build/
# cmake .. -DCMAKE_TOOLCHAIN_FILE=../cross-arm-linux-gnueabihf.cmake
#
set(CROSS_PATH /opt/gcc-linaro-arm-linux-gnueabihf-4.7-2013.02-01-20130221_linux)
# Target operating system name.
set(CMAKE_SYSTEM_NAME Linux)
# Name of C compiler.
set(CMAKE_C_COMPILER "${CROSS_PATH}/bin/arm-linux-gnueabihf-gcc")
set(CMAKE_CXX_COMPILER "${CROSS_PATH}/bin/arm-linux-gnueabihf-g++")
# Where to look for the target environment. (More paths can be added here)
set(CMAKE_FIND_ROOT_PATH "${CROSS_PATH}")
# Adjust the default behavior of the FIND_XXX() commands:
# search programs in the host environment only.
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# Search headers and libraries in the target environment only.
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

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#
# CMake Toolchain file for crosscompiling on MingW.
#
# This can be used when running cmake in the following way:
# cd build/
# cmake .. -DCMAKE_TOOLCHAIN_FILE=../cross-ming.cmake
#
set(CROSS_PATH /usr/bin)
# Target operating system name.
set(CMAKE_SYSTEM_NAME Windows)
set(BUILD_SHARED_LIBS OFF)
# Name of C compiler.
set(CMAKE_C_COMPILER "${CROSS_PATH}/x86_64-w64-mingw32-gcc")
#set(CMAKE_CXX_COMPILER "${CROSS_PATH}/x86_64-w64-mingw32-g++")
set(CMAKE_RC_COMPILER "${CROSS_PATH}/x86_64-w64-mingw32-windres")
set(CMAKE_C_FLAGS "-Wno-error")
# Where to look for the target environment. (More paths can be added here)
set(CMAKE_FIND_ROOT_PATH "${CROSS_PATH}")
# Adjust the default behavior of the FIND_XXX() commands:
# search programs in the host environment only.
set(CMAKE_FIND_ROOT_PATH_MODE_PROGRAM NEVER)
# Search headers and libraries in the target environment only.
set(CMAKE_FIND_ROOT_PATH_MODE_LIBRARY ONLY)
set(CMAKE_FIND_ROOT_PATH_MODE_INCLUDE ONLY)

91
dependencies/libwebsockets/cross-openwrt-makefile vendored Normal file
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#
# libwebsockets makefile for openwrt
#
include $(TOPDIR)/rules.mk
PKG_NAME:=libwebsockets
PKG_VERSION:=2014-03-01
PKG_RELEASE=$(PKG_SOURCE_VERSION)
PKG_SOURCE_PROTO:=git
PKG_SOURCE_URL:=https://github.com/warmcat/libwebsockets.git
PKG_SOURCE_SUBDIR:=$(PKG_NAME)-$(PKG_VERSION)
PKG_SOURCE_VERSION:=388dc7d201d8d123841869fb49ec4d94d6dd7f54
PKG_SOURCE:=$(PKG_NAME)-$(PKG_VERSION)-$(PKG_SOURCE_VERSION).tar.gz
CMAKE_INSTALL:=1
include $(INCLUDE_DIR)/package.mk
include $(INCLUDE_DIR)/cmake.mk
CMAKE_OPTIONS += -DLWS_OPENSSL_CLIENT_CERTS=/etc/ssl/certs
CMAKE_OPTIONS += -DLWS_OPENSSL_SUPPORT=ON
CMAKE_OPTIONS += -DLWS_WITH_SSL=ON
CMAKE_OPTIONS += -DLWS_WITHOUT_TESTAPPS=$(if $(CONFIG_PACKAGE_libwebsockets-examples),"OFF","ON")
# for cyassl, define these in addition to LWS_OPENSSL_SUPPORT and
# edit package/libs/cyassl/Makefile to include --enable-opensslextra
# CMAKE_OPTIONS += -DLWS_USE_CYASSL=ON
# CMAKE_OPTIONS += -DLWS_CYASSL_LIB=$(STAGING_DIR)/usr/lib/libcyassl.so
# CMAKE_OPTIONS += -DLWS_CYASSL_INCLUDE_DIRS=$(STAGING_DIR)/usr/include
# other options worth noting
# CMAKE_OPTIONS += -DLWS_WITHOUT_EXTENSIONS=ON
# CMAKE_OPTIONS += -DLWS_WITHOUT_DAEMONIZE=ON
# CMAKE_OPTIONS += -DLWS_WITHOUT_SERVER=ON
# CMAKE_OPTIONS += -DLWS_WITHOUT_DEBUG=ON
define Package/libwebsockets/Default
SECTION:=libs
CATEGORY:=Libraries
TITLE:=libwebsockets
DEPENDS:=+zlib +libopenssl
endef
define Package/libwebsockets
$(call Package/libwebsockets/Default)
TITLE+= (libraries)
endef
define Package/libwebsockets/description
libwebsockets
This package contains libwebsocket libraries
endef
define Package/libwebsockets-examples
$(call Package/libwebsockets/Default)
DEPENDS:=libwebsockets
TITLE+= (examples)
endef
define Package/libwebsockets-examples/description
libwebsockets examples
This package contains libwebsockets examples
endef
define Package/libwebsockets/install
$(INSTALL_DIR) $(1)/usr/lib
$(CP) $(PKG_INSTALL_DIR)/usr/lib/libwebsockets.so* $(1)/usr/lib/
endef
define Package/libwebsockets-examples/install
$(INSTALL_DIR) $(1)/usr/bin
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/libwebsockets-test-client $(1)/usr/bin/
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/libwebsockets-test-echo $(1)/usr/bin/
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/libwebsockets-test-fraggle $(1)/usr/bin/
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/libwebsockets-test-ping $(1)/usr/bin/
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/libwebsockets-test-server $(1)/usr/bin/
$(INSTALL_BIN) $(PKG_INSTALL_DIR)/usr/bin/libwebsockets-test-server-extpoll $(1)/usr/bin/
$(INSTALL_DIR) $(1)/usr/share/libwebsockets-test-server
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/libwebsockets-test-server/favicon.ico $(1)/usr/share/libwebsockets-test-server/
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/libwebsockets-test-server/leaf.jpg $(1)/usr/share/libwebsockets-test-server/
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/libwebsockets-test-server/libwebsockets.org-logo.png $(1)/usr/share/libwebsockets-test-server/
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/libwebsockets-test-server/libwebsockets-test-server.key.pem $(1)/usr/share/libwebsockets-test-server/
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/libwebsockets-test-server/libwebsockets-test-server.pem $(1)/usr/share/libwebsockets-test-server/
$(INSTALL_DATA) $(PKG_INSTALL_DIR)/usr/share/libwebsockets-test-server/test.html $(1)/usr/share/libwebsockets-test-server/
endef
$(eval $(call BuildPackage,libwebsockets))
$(eval $(call BuildPackage,libwebsockets-examples))

8
dependencies/libwebsockets/lib/.gitignore vendored Normal file
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#Ignore build files
Makefile
*.o
*.lo
*.la
.libs
.deps

93
dependencies/libwebsockets/lib/base64-decode.c vendored Normal file
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/*
* This code originally came from here
*
* http://base64.sourceforge.net/b64.c
*
* with the following license:
*
* LICENCE: Copyright (c) 2001 Bob Trower, Trantor Standard Systems Inc.
*
* Permission is hereby granted, free of charge, to any person
* obtaining a copy of this software and associated
* documentation files (the "Software"), to deal in the
* Software without restriction, including without limitation
* the rights to use, copy, modify, merge, publish, distribute,
* sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so,
* subject to the following conditions:
*
* The above copyright notice and this permission notice shall
* be included in all copies or substantial portions of the
* Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY
* KIND, EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE
* WARRANTIES OF MERCHANTABILITY, FITNESS FOR A PARTICULAR
* PURPOSE AND NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS
* OR COPYRIGHT HOLDERS BE LIABLE FOR ANY CLAIM, DAMAGES OR
* OTHER LIABILITY, WHETHER IN AN ACTION OF CONTRACT, TORT OR
* OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION WITH THE
* SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*
* VERSION HISTORY:
* Bob Trower 08/04/01 -- Create Version 0.00.00B
*
* I cleaned it up quite a bit to match the (linux kernel) style of the rest
* of libwebsockets; this version is under LGPL2 like the rest of libwebsockets
* since he explictly allows sublicensing, but I give the URL above so you can
* get the original with Bob's super-liberal terms directly if you prefer.
*/
#include <stdio.h>
#include <string.h>
#include "private-libwebsockets.h"
static const char encode[] = "ABCDEFGHIJKLMNOPQRSTUVWXYZ"
"abcdefghijklmnopqrstuvwxyz0123456789+/";
static const char decode[] = "|$$$}rstuvwxyz{$$$$$$$>?@ABCDEFGHIJKLMNOPQRSTUVW"
"$$$$$$XYZ[\\]^_`abcdefghijklmnopq";
LWS_VISIBLE int
lws_b64_encode_string(const char *in, int in_len, char *out, int out_size)
{
unsigned char triple[3];
int i;
int len;
int line = 0;
int done = 0;
while (in_len) {
len = 0;
for (i = 0; i < 3; i++) {
if (in_len) {
triple[i] = *in++;
len++;
in_len--;
} else
triple[i] = 0;
}
if (!len)
continue;
if (done + 4 >= out_size)
return -1;
*out++ = encode[triple[0] >> 2];
*out++ = encode[((triple[0] & 0x03) << 4) |
((triple[1] & 0xf0) >> 4)];
*out++ = (len > 1 ? encode[((triple[1] & 0x0f) << 2) |
((triple[2] & 0xc0) >> 6)] : '=');
*out++ = (len > 2 ? encode[triple[2] & 0x3f] : '=');
done += 4;
line += 4;
}
if (done + 1 >= out_size)
return -1;
*out++ = '\0';
return done;
}

443
dependencies/libwebsockets/lib/client-handshake.c vendored Normal file
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@ -0,0 +1,443 @@
#include "private-libwebsockets.h"
struct libwebsocket *libwebsocket_client_connect_2(
struct libwebsocket_context *context,
struct libwebsocket *wsi
) {
struct libwebsocket_pollfd pfd;
#ifdef LWS_USE_IPV6
struct sockaddr_in6 server_addr6;
struct sockaddr_in6 client_addr6;
struct addrinfo hints, *result;
#endif
struct sockaddr_in server_addr4;
struct sockaddr_in client_addr4;
struct hostent *server_hostent;
struct sockaddr *v;
int n;
int plen = 0;
const char *ads;
lwsl_client("libwebsocket_client_connect_2\n");
/*
* proxy?
*/
if (context->http_proxy_port) {
plen = sprintf((char *)context->service_buffer,
"CONNECT %s:%u HTTP/1.0\x0d\x0a"
"User-agent: libwebsockets\x0d\x0a"
/*Proxy-authorization: basic aGVsbG86d29ybGQ= */
"\x0d\x0a",
lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS),
wsi->u.hdr.ah->c_port);
ads = context->http_proxy_address;
#ifdef LWS_USE_IPV6
if (LWS_IPV6_ENABLED(context))
server_addr6.sin6_port = htons(context->http_proxy_port);
else
#endif
server_addr4.sin_port = htons(context->http_proxy_port);
} else {
ads = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS);
#ifdef LWS_USE_IPV6
if (LWS_IPV6_ENABLED(context))
server_addr6.sin6_port = htons(wsi->u.hdr.ah->c_port);
else
#endif
server_addr4.sin_port = htons(wsi->u.hdr.ah->c_port);
}
/*
* prepare the actual connection (to the proxy, if any)
*/
lwsl_client("libwebsocket_client_connect_2: address %s\n", ads);
#ifdef LWS_USE_IPV6
if (LWS_IPV6_ENABLED(context)) {
memset(&hints, 0, sizeof(struct addrinfo));
n = getaddrinfo(ads, NULL, &hints, &result);
if (n) {
#ifdef _WIN32
lwsl_err("getaddrinfo: %ls\n", gai_strerrorW(n));
#else
lwsl_err("getaddrinfo: %s\n", gai_strerror(n));
#endif
goto oom4;
}
server_addr6.sin6_family = AF_INET6;
switch (result->ai_family) {
case AF_INET:
/* map IPv4 to IPv6 */
bzero((char *)&server_addr6.sin6_addr,
sizeof(struct in6_addr));
server_addr6.sin6_addr.s6_addr[10] = 0xff;
server_addr6.sin6_addr.s6_addr[11] = 0xff;
memcpy(&server_addr6.sin6_addr.s6_addr[12],
&((struct sockaddr_in *)result->ai_addr)->sin_addr,
sizeof(struct in_addr));
break;
case AF_INET6:
memcpy(&server_addr6.sin6_addr,
&((struct sockaddr_in6 *)result->ai_addr)->sin6_addr,
sizeof(struct in6_addr));
break;
default:
lwsl_err("Unknown address family\n");
freeaddrinfo(result);
goto oom4;
}
freeaddrinfo(result);
} else
#endif
{
server_hostent = gethostbyname(ads);
if (!server_hostent) {
lwsl_err("Unable to get host name from %s\n", ads);
goto oom4;
}
server_addr4.sin_family = AF_INET;
server_addr4.sin_addr =
*((struct in_addr *)server_hostent->h_addr);
bzero(&server_addr4.sin_zero, 8);
}
if (wsi->sock < 0) {
#ifdef LWS_USE_IPV6
if (LWS_IPV6_ENABLED(context))
wsi->sock = socket(AF_INET6, SOCK_STREAM, 0);
else
#endif
wsi->sock = socket(AF_INET, SOCK_STREAM, 0);
if (wsi->sock < 0) {
lwsl_warn("Unable to open socket\n");
goto oom4;
}
if (lws_plat_set_socket_options(context, wsi->sock)) {
lwsl_err("Failed to set wsi socket options\n");
compatible_close(wsi->sock);
goto oom4;
}
wsi->mode = LWS_CONNMODE_WS_CLIENT_WAITING_CONNECT;
insert_wsi_socket_into_fds(context, wsi);
libwebsocket_set_timeout(wsi,
PENDING_TIMEOUT_AWAITING_CONNECT_RESPONSE,
AWAITING_TIMEOUT);
#ifdef LWS_USE_IPV6
if (LWS_IPV6_ENABLED(context)) {
v = (struct sockaddr *)&client_addr6;
n = sizeof(client_addr6);
bzero((char *)v, n);
client_addr6.sin6_family = AF_INET6;
} else
#endif
{
v = (struct sockaddr *)&client_addr4;
n = sizeof(client_addr4);
bzero((char *)v, n);
client_addr4.sin_family = AF_INET;
}
if (context->iface) {
if (interface_to_sa(context, context->iface,
(struct sockaddr_in *)v, n) < 0) {
lwsl_err("Unable to find interface %s\n",
context->iface);
compatible_close(wsi->sock);
goto failed;
}
if (bind(wsi->sock, v, n) < 0) {
lwsl_err("Error binding to interface %s",
context->iface);
compatible_close(wsi->sock);
goto failed;
}
}
}
#ifdef LWS_USE_IPV6
if (LWS_IPV6_ENABLED(context)) {
v = (struct sockaddr *)&server_addr6;
n = sizeof(struct sockaddr_in6);
} else
#endif
{
v = (struct sockaddr *)&server_addr4;
n = sizeof(struct sockaddr);
}
if (connect(wsi->sock, v, n) == -1 || LWS_ERRNO == LWS_EISCONN) {
if (LWS_ERRNO == LWS_EALREADY || LWS_ERRNO == LWS_EINPROGRESS
|| LWS_ERRNO == LWS_EWOULDBLOCK) {
lwsl_client("nonblocking connect retry\n");
/*
* must do specifically a POLLOUT poll to hear
* about the connect completion
*/
if (lws_change_pollfd(wsi, 0, LWS_POLLOUT))
goto oom4;
return wsi;
}
if (LWS_ERRNO != LWS_EISCONN) {
lwsl_debug("Connect failed errno=%d\n", LWS_ERRNO);
goto failed;
}
}
lwsl_client("connected\n");
/* we are connected to server, or proxy */
if (context->http_proxy_port) {
/* OK from now on we talk via the proxy, so connect to that */
/*
* (will overwrite existing pointer,
* leaving old string/frag there but unreferenced)
*/
if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS,
context->http_proxy_address))
goto failed;
wsi->u.hdr.ah->c_port = context->http_proxy_port;
n = send(wsi->sock, context->service_buffer, plen, MSG_NOSIGNAL);
if (n < 0) {
lwsl_debug("ERROR writing to proxy socket\n");
goto failed;
}
libwebsocket_set_timeout(wsi,
PENDING_TIMEOUT_AWAITING_PROXY_RESPONSE,
AWAITING_TIMEOUT);
wsi->mode = LWS_CONNMODE_WS_CLIENT_WAITING_PROXY_REPLY;
return wsi;
}
/*
* provoke service to issue the handshake directly
* we need to do it this way because in the proxy case, this is the
* next state and executed only if and when we get a good proxy
* response inside the state machine... but notice in SSL case this
* may not have sent anything yet with 0 return, and won't until some
* many retries from main loop. To stop that becoming endless,
* cover with a timeout.
*/
libwebsocket_set_timeout(wsi,
PENDING_TIMEOUT_SENT_CLIENT_HANDSHAKE, AWAITING_TIMEOUT);
wsi->mode = LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE;
pfd.fd = wsi->sock;
pfd.revents = LWS_POLLIN;
n = libwebsocket_service_fd(context, &pfd);
if (n < 0)
goto failed;
if (n) /* returns 1 on failure after closing wsi */
return NULL;
return wsi;
oom4:
free(wsi->u.hdr.ah);
free(wsi);
return NULL;
failed:
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
return NULL;
}
/**
* libwebsocket_client_connect() - Connect to another websocket server
* @context: Websocket context
* @address: Remote server address, eg, "myserver.com"
* @port: Port to connect to on the remote server, eg, 80
* @ssl_connection: 0 = ws://, 1 = wss:// encrypted, 2 = wss:// allow self
* signed certs
* @path: Websocket path on server
* @host: Hostname on server
* @origin: Socket origin name
* @protocol: Comma-separated list of protocols being asked for from
* the server, or just one. The server will pick the one it
* likes best.
* @ietf_version_or_minus_one: -1 to ask to connect using the default, latest
* protocol supported, or the specific protocol ordinal
*
* This function creates a connection to a remote server
*/
LWS_VISIBLE struct libwebsocket *
libwebsocket_client_connect(struct libwebsocket_context *context,
const char *address,
int port,
int ssl_connection,
const char *path,
const char *host,
const char *origin,
const char *protocol,
int ietf_version_or_minus_one)
{
struct libwebsocket *wsi;
wsi = (struct libwebsocket *) malloc(sizeof(struct libwebsocket));
if (wsi == NULL)
goto bail;
memset(wsi, 0, sizeof(*wsi));
wsi->sock = -1;
/* -1 means just use latest supported */
if (ietf_version_or_minus_one == -1)
ietf_version_or_minus_one = SPEC_LATEST_SUPPORTED;
wsi->ietf_spec_revision = ietf_version_or_minus_one;
wsi->user_space = NULL;
wsi->state = WSI_STATE_CLIENT_UNCONNECTED;
wsi->protocol = NULL;
wsi->pending_timeout = NO_PENDING_TIMEOUT;
#ifdef LWS_OPENSSL_SUPPORT
wsi->use_ssl = ssl_connection;
#else
if (ssl_connection) {
lwsl_err("libwebsockets not configured for ssl\n");
goto bail;
}
#endif
if (lws_allocate_header_table(wsi))
goto bail;
/*
* we're not necessarily in a position to action these right away,
* stash them... we only need during connect phase so u.hdr is fine
*/
wsi->u.hdr.ah->c_port = port;
if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_PEER_ADDRESS, address))
goto bail1;
/* these only need u.hdr lifetime as well */
if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_URI, path))
goto bail1;
if (lws_hdr_simple_create(wsi, _WSI_TOKEN_CLIENT_HOST, host))
goto bail1;
if (origin)
if (lws_hdr_simple_create(wsi,
_WSI_TOKEN_CLIENT_ORIGIN, origin))
goto bail1;
/*
* this is a list of protocols we tell the server we're okay with
* stash it for later when we compare server response with it
*/
if (protocol)
if (lws_hdr_simple_create(wsi,
_WSI_TOKEN_CLIENT_SENT_PROTOCOLS, protocol))
goto bail1;
wsi->protocol = &context->protocols[0];
/*
* Check with each extension if it is able to route and proxy this
* connection for us. For example, an extension like x-google-mux
* can handle this and then we don't need an actual socket for this
* connection.
*/
if (lws_ext_callback_for_each_extension_type(context, wsi,
LWS_EXT_CALLBACK_CAN_PROXY_CLIENT_CONNECTION,
(void *)address, port) > 0) {
lwsl_client("libwebsocket_client_connect: ext handling conn\n");
libwebsocket_set_timeout(wsi,
PENDING_TIMEOUT_AWAITING_EXTENSION_CONNECT_RESPONSE,
AWAITING_TIMEOUT);
wsi->mode = LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT;
return wsi;
}
lwsl_client("libwebsocket_client_connect: direct conn\n");
return libwebsocket_client_connect_2(context, wsi);
bail1:
free(wsi->u.hdr.ah);
bail:
free(wsi);
return NULL;
}
/**
* libwebsocket_client_connect_extended() - Connect to another websocket server
* @context: Websocket context
* @address: Remote server address, eg, "myserver.com"
* @port: Port to connect to on the remote server, eg, 80
* @ssl_connection: 0 = ws://, 1 = wss:// encrypted, 2 = wss:// allow self
* signed certs
* @path: Websocket path on server
* @host: Hostname on server
* @origin: Socket origin name
* @protocol: Comma-separated list of protocols being asked for from
* the server, or just one. The server will pick the one it
* likes best.
* @ietf_version_or_minus_one: -1 to ask to connect using the default, latest
* protocol supported, or the specific protocol ordinal
* @userdata: Pre-allocated user data
*
* This function creates a connection to a remote server
*/
LWS_VISIBLE struct libwebsocket *
libwebsocket_client_connect_extended(struct libwebsocket_context *context,
const char *address,
int port,
int ssl_connection,
const char *path,
const char *host,
const char *origin,
const char *protocol,
int ietf_version_or_minus_one,
void *userdata)
{
struct libwebsocket *ws =
libwebsocket_client_connect(context, address, port,
ssl_connection, path, host, origin, protocol,
ietf_version_or_minus_one);
if (ws && !ws->user_space && userdata) {
ws->user_space_externally_allocated = 1;
ws->user_space = userdata ;
}
return ws ;
}

402
dependencies/libwebsockets/lib/client-parser.c vendored Normal file
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@ -0,0 +1,402 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2014 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
int libwebsocket_client_rx_sm(struct libwebsocket *wsi, unsigned char c)
{
int callback_action = LWS_CALLBACK_CLIENT_RECEIVE;
int handled;
struct lws_tokens eff_buf;
int m;
switch (wsi->lws_rx_parse_state) {
case LWS_RXPS_NEW:
switch (wsi->ietf_spec_revision) {
case 13:
wsi->u.ws.opcode = c & 0xf;
wsi->u.ws.rsv = (c & 0x70);
wsi->u.ws.final = !!((c >> 7) & 1);
switch (wsi->u.ws.opcode) {
case LWS_WS_OPCODE_07__TEXT_FRAME:
case LWS_WS_OPCODE_07__BINARY_FRAME:
wsi->u.ws.frame_is_binary = wsi->u.ws.opcode ==
LWS_WS_OPCODE_07__BINARY_FRAME;
break;
}
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN;
break;
default:
lwsl_err("unknown spec version %02d\n",
wsi->ietf_spec_revision);
break;
}
break;
case LWS_RXPS_04_FRAME_HDR_LEN:
wsi->u.ws.this_frame_masked = !!(c & 0x80);
switch (c & 0x7f) {
case 126:
/* control frames are not allowed to have big lengths */
if (wsi->u.ws.opcode & 8)
goto illegal_ctl_length;
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN16_2;
break;
case 127:
/* control frames are not allowed to have big lengths */
if (wsi->u.ws.opcode & 8)
goto illegal_ctl_length;
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_8;
break;
default:
wsi->u.ws.rx_packet_length = c;
if (wsi->u.ws.this_frame_masked)
wsi->lws_rx_parse_state =
LWS_RXPS_07_COLLECT_FRAME_KEY_1;
else {
if (c)
wsi->lws_rx_parse_state =
LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED;
else {
wsi->lws_rx_parse_state = LWS_RXPS_NEW;
goto spill;
}
}
break;
}
break;
case LWS_RXPS_04_FRAME_HDR_LEN16_2:
wsi->u.ws.rx_packet_length = c << 8;
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN16_1;
break;
case LWS_RXPS_04_FRAME_HDR_LEN16_1:
wsi->u.ws.rx_packet_length |= c;
if (wsi->u.ws.this_frame_masked)
wsi->lws_rx_parse_state =
LWS_RXPS_07_COLLECT_FRAME_KEY_1;
else {
if (wsi->u.ws.rx_packet_length)
wsi->lws_rx_parse_state =
LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED;
else {
wsi->lws_rx_parse_state = LWS_RXPS_NEW;
goto spill;
}
}
break;
case LWS_RXPS_04_FRAME_HDR_LEN64_8:
if (c & 0x80) {
lwsl_warn("b63 of length must be zero\n");
/* kill the connection */
return -1;
}
#if defined __LP64__
wsi->u.ws.rx_packet_length = ((size_t)c) << 56;
#else
wsi->u.ws.rx_packet_length = 0;
#endif
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_7;
break;
case LWS_RXPS_04_FRAME_HDR_LEN64_7:
#if defined __LP64__
wsi->u.ws.rx_packet_length |= ((size_t)c) << 48;
#endif
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_6;
break;
case LWS_RXPS_04_FRAME_HDR_LEN64_6:
#if defined __LP64__
wsi->u.ws.rx_packet_length |= ((size_t)c) << 40;
#endif
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_5;
break;
case LWS_RXPS_04_FRAME_HDR_LEN64_5:
#if defined __LP64__
wsi->u.ws.rx_packet_length |= ((size_t)c) << 32;
#endif
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_4;
break;
case LWS_RXPS_04_FRAME_HDR_LEN64_4:
wsi->u.ws.rx_packet_length |= ((size_t)c) << 24;
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_3;
break;
case LWS_RXPS_04_FRAME_HDR_LEN64_3:
wsi->u.ws.rx_packet_length |= ((size_t)c) << 16;
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_2;
break;
case LWS_RXPS_04_FRAME_HDR_LEN64_2:
wsi->u.ws.rx_packet_length |= ((size_t)c) << 8;
wsi->lws_rx_parse_state = LWS_RXPS_04_FRAME_HDR_LEN64_1;
break;
case LWS_RXPS_04_FRAME_HDR_LEN64_1:
wsi->u.ws.rx_packet_length |= (size_t)c;
if (wsi->u.ws.this_frame_masked)
wsi->lws_rx_parse_state =
LWS_RXPS_07_COLLECT_FRAME_KEY_1;
else {
if (wsi->u.ws.rx_packet_length)
wsi->lws_rx_parse_state =
LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED;
else {
wsi->lws_rx_parse_state = LWS_RXPS_NEW;
goto spill;
}
}
break;
case LWS_RXPS_07_COLLECT_FRAME_KEY_1:
wsi->u.ws.frame_masking_nonce_04[0] = c;
if (c)
wsi->u.ws.all_zero_nonce = 0;
wsi->lws_rx_parse_state = LWS_RXPS_07_COLLECT_FRAME_KEY_2;
break;
case LWS_RXPS_07_COLLECT_FRAME_KEY_2:
wsi->u.ws.frame_masking_nonce_04[1] = c;
if (c)
wsi->u.ws.all_zero_nonce = 0;
wsi->lws_rx_parse_state = LWS_RXPS_07_COLLECT_FRAME_KEY_3;
break;
case LWS_RXPS_07_COLLECT_FRAME_KEY_3:
wsi->u.ws.frame_masking_nonce_04[2] = c;
if (c)
wsi->u.ws.all_zero_nonce = 0;
wsi->lws_rx_parse_state = LWS_RXPS_07_COLLECT_FRAME_KEY_4;
break;
case LWS_RXPS_07_COLLECT_FRAME_KEY_4:
wsi->u.ws.frame_masking_nonce_04[3] = c;
if (c)
wsi->u.ws.all_zero_nonce = 0;
if (wsi->u.ws.rx_packet_length)
wsi->lws_rx_parse_state =
LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED;
else {
wsi->lws_rx_parse_state = LWS_RXPS_NEW;
goto spill;
}
break;
case LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED:
if (!wsi->u.ws.rx_user_buffer)
lwsl_err("NULL client rx_user_buffer\n");
if ((!wsi->u.ws.this_frame_masked) || wsi->u.ws.all_zero_nonce)
wsi->u.ws.rx_user_buffer[LWS_SEND_BUFFER_PRE_PADDING +
(wsi->u.ws.rx_user_buffer_head++)] = c;
else
wsi->u.ws.rx_user_buffer[LWS_SEND_BUFFER_PRE_PADDING +
(wsi->u.ws.rx_user_buffer_head++)] =
c ^ wsi->u.ws.frame_masking_nonce_04[
(wsi->u.ws.frame_mask_index++) & 3];
if (--wsi->u.ws.rx_packet_length == 0) {
/* spill because we have the whole frame */
wsi->lws_rx_parse_state = LWS_RXPS_NEW;
goto spill;
}
/*
* if there's no protocol max frame size given, we are
* supposed to default to LWS_MAX_SOCKET_IO_BUF
*/
if (!wsi->protocol->rx_buffer_size &&
wsi->u.ws.rx_user_buffer_head !=
LWS_MAX_SOCKET_IO_BUF)
break;
else
if (wsi->protocol->rx_buffer_size &&
wsi->u.ws.rx_user_buffer_head !=
wsi->protocol->rx_buffer_size)
break;
/* spill because we filled our rx buffer */
spill:
handled = 0;
/*
* is this frame a control packet we should take care of at this
* layer? If so service it and hide it from the user callback
*/
switch (wsi->u.ws.opcode) {
case LWS_WS_OPCODE_07__CLOSE:
/* is this an acknowledgement of our close? */
if (wsi->state == WSI_STATE_AWAITING_CLOSE_ACK) {
/*
* fine he has told us he is closing too, let's
* finish our close
*/
lwsl_parser("seen server's close ack\n");
return -1;
}
lwsl_parser("client sees server close len = %d\n",
wsi->u.ws.rx_user_buffer_head);
/*
* parrot the close packet payload back
* we do not care about how it went, we are closing
* immediately afterwards
*/
libwebsocket_write(wsi, (unsigned char *)
&wsi->u.ws.rx_user_buffer[
LWS_SEND_BUFFER_PRE_PADDING],
wsi->u.ws.rx_user_buffer_head, LWS_WRITE_CLOSE);
wsi->state = WSI_STATE_RETURNED_CLOSE_ALREADY;
/* close the connection */
return -1;
case LWS_WS_OPCODE_07__PING:
lwsl_info("client received ping, doing pong\n");
/*
* parrot the ping packet payload back as a pong
* !!! this may block or have partial write or fail
* !!! very unlikely if the ping size is small
*/
libwebsocket_write(wsi, (unsigned char *)
&wsi->u.ws.rx_user_buffer[
LWS_SEND_BUFFER_PRE_PADDING],
wsi->u.ws.rx_user_buffer_head,
LWS_WRITE_PONG);
handled = 1;
break;
case LWS_WS_OPCODE_07__PONG:
lwsl_info("client receied pong\n");
lwsl_hexdump(&wsi->u.ws.rx_user_buffer[
LWS_SEND_BUFFER_PRE_PADDING],
wsi->u.ws.rx_user_buffer_head);
/* issue it */
callback_action = LWS_CALLBACK_CLIENT_RECEIVE_PONG;
break;
case LWS_WS_OPCODE_07__CONTINUATION:
case LWS_WS_OPCODE_07__TEXT_FRAME:
case LWS_WS_OPCODE_07__BINARY_FRAME:
break;
default:
lwsl_parser("Reserved opc 0x%2X\n", wsi->u.ws.opcode);
/*
* It's something special we can't understand here.
* Pass the payload up to the extension's parsing
* state machine.
*/
eff_buf.token = &wsi->u.ws.rx_user_buffer[
LWS_SEND_BUFFER_PRE_PADDING];
eff_buf.token_len = wsi->u.ws.rx_user_buffer_head;
if (lws_ext_callback_for_each_active(wsi,
LWS_EXT_CALLBACK_EXTENDED_PAYLOAD_RX,
&eff_buf, 0) <= 0) { /* not handle or fail */
lwsl_ext("Unhandled ext opc 0x%x\n",
wsi->u.ws.opcode);
wsi->u.ws.rx_user_buffer_head = 0;
return 0;
}
handled = 1;
break;
}
/*
* No it's real payload, pass it up to the user callback.
* It's nicely buffered with the pre-padding taken care of
* so it can be sent straight out again using libwebsocket_write
*/
if (handled)
goto already_done;
eff_buf.token = &wsi->u.ws.rx_user_buffer[
LWS_SEND_BUFFER_PRE_PADDING];
eff_buf.token_len = wsi->u.ws.rx_user_buffer_head;
if (lws_ext_callback_for_each_active(wsi,
LWS_EXT_CALLBACK_PAYLOAD_RX,
&eff_buf, 0) < 0) /* fail */
return -1;
if (eff_buf.token_len <= 0 &&
callback_action != LWS_CALLBACK_CLIENT_RECEIVE_PONG)
goto already_done;
eff_buf.token[eff_buf.token_len] = '\0';
if (!wsi->protocol->callback)
goto already_done;
if (callback_action == LWS_CALLBACK_CLIENT_RECEIVE_PONG)
lwsl_info("Client doing pong callback\n");
m = wsi->protocol->callback(
wsi->protocol->owning_server,
wsi,
(enum libwebsocket_callback_reasons)callback_action,
wsi->user_space,
eff_buf.token,
eff_buf.token_len);
/* if user code wants to close, let caller know */
if (m)
return 1;
already_done:
wsi->u.ws.rx_user_buffer_head = 0;
break;
default:
lwsl_err("client rx illegal state\n");
return 1;
}
return 0;
illegal_ctl_length:
lwsl_warn("Control frame asking for extended length is illegal\n");
/* kill the connection */
return -1;
}

958
dependencies/libwebsockets/lib/client.c vendored Normal file
View File

@ -0,0 +1,958 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2014 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
int lws_handshake_client(struct libwebsocket *wsi, unsigned char **buf, size_t len)
{
int n;
switch (wsi->mode) {
case LWS_CONNMODE_WS_CLIENT_WAITING_PROXY_REPLY:
case LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE:
case LWS_CONNMODE_WS_CLIENT_WAITING_SERVER_REPLY:
case LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT:
case LWS_CONNMODE_WS_CLIENT:
for (n = 0; n < len; n++)
if (libwebsocket_client_rx_sm(wsi, *(*buf)++)) {
lwsl_debug("client_rx_sm failed\n");
return 1;
}
return 0;
default:
break;
}
return 0;
}
int lws_client_socket_service(struct libwebsocket_context *context,
struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd)
{
int n;
char *p = (char *)&context->service_buffer[0];
int len;
unsigned char c;
switch (wsi->mode) {
case LWS_CONNMODE_WS_CLIENT_WAITING_CONNECT:
/*
* we are under PENDING_TIMEOUT_SENT_CLIENT_HANDSHAKE
* timeout protection set in client-handshake.c
*/
if (libwebsocket_client_connect_2(context, wsi) == NULL) {
/* closed */
lwsl_client("closed\n");
return -1;
}
/* either still pending connection, or changed mode */
return 0;
case LWS_CONNMODE_WS_CLIENT_WAITING_PROXY_REPLY:
/* handle proxy hung up on us */
if (pollfd->revents & LWS_POLLHUP) {
lwsl_warn("Proxy connection %p (fd=%d) dead\n",
(void *)wsi, pollfd->fd);
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
return 0;
}
n = recv(wsi->sock, context->service_buffer,
sizeof(context->service_buffer), 0);
if (n < 0) {
if (LWS_ERRNO == LWS_EAGAIN) {
lwsl_debug(
"Proxy read returned EAGAIN... retrying\n");
return 0;
}
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
lwsl_err("ERROR reading from proxy socket\n");
return 0;
}
context->service_buffer[13] = '\0';
if (strcmp((char *)context->service_buffer, "HTTP/1.0 200 ")) {
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
lwsl_err("ERROR proxy: %s\n", context->service_buffer);
return 0;
}
/* clear his proxy connection timeout */
libwebsocket_set_timeout(wsi, NO_PENDING_TIMEOUT, 0);
/* fallthru */
case LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE:
/*
* we are under PENDING_TIMEOUT_SENT_CLIENT_HANDSHAKE
* timeout protection set in client-handshake.c
*/
/*
* take care of our libwebsocket_callback_on_writable
* happening at a time when there's no real connection yet
*/
if (lws_change_pollfd(wsi, LWS_POLLOUT, 0))
return -1;
#ifdef LWS_OPENSSL_SUPPORT
/* we can retry this... just cook the SSL BIO the first time */
if (wsi->use_ssl && !wsi->ssl) {
#if defined(CYASSL_SNI_HOST_NAME) || defined(SSL_CTRL_SET_TLSEXT_HOSTNAME)
const char *hostname = lws_hdr_simple_ptr(wsi,
_WSI_TOKEN_CLIENT_PEER_ADDRESS);
#endif
wsi->ssl = SSL_new(context->ssl_client_ctx);
#ifndef USE_CYASSL
SSL_set_mode(wsi->ssl,
SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
#endif
/*
* use server name indication (SNI), if supported,
* when establishing connection
*/
#ifdef USE_CYASSL
#ifdef CYASSL_SNI_HOST_NAME
CyaSSL_UseSNI(wsi->ssl, CYASSL_SNI_HOST_NAME,
hostname, strlen(hostname));
#endif
#else
#ifdef SSL_CTRL_SET_TLSEXT_HOSTNAME
SSL_set_tlsext_host_name(wsi->ssl, hostname);
#endif
#endif
#ifdef USE_CYASSL
/*
* CyaSSL does certificate verification differently
* from OpenSSL.
* If we should ignore the certificate, we need to set
* this before SSL_new and SSL_connect is called.
* Otherwise the connect will simply fail with error
* code -155
*/
if (wsi->use_ssl == 2)
CyaSSL_set_verify(wsi->ssl,
SSL_VERIFY_NONE, NULL);
#endif /* USE_CYASSL */
wsi->client_bio =
BIO_new_socket(wsi->sock, BIO_NOCLOSE);
SSL_set_bio(wsi->ssl, wsi->client_bio, wsi->client_bio);
#ifdef USE_CYASSL
CyaSSL_set_using_nonblock(wsi->ssl, 1);
#else
BIO_set_nbio(wsi->client_bio, 1); /* nonblocking */
#endif
SSL_set_ex_data(wsi->ssl,
openssl_websocket_private_data_index,
context);
}
if (wsi->use_ssl) {
lws_latency_pre(context, wsi);
n = SSL_connect(wsi->ssl);
lws_latency(context, wsi,
"SSL_connect LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE",
n, n > 0);
if (n < 0) {
n = SSL_get_error(wsi->ssl, n);
if (n == SSL_ERROR_WANT_READ ||
n == SSL_ERROR_WANT_WRITE) {
/*
* wants us to retry connect due to
* state of the underlying ssl layer...
* but since it may be stalled on
* blocked write, no incoming data may
* arrive to trigger the retry.
* Force (possibly many times if the SSL
* state persists in returning the
* condition code, but other sockets
* are getting serviced inbetweentimes)
* us to get called back when writable.
*/
lwsl_info(
"SSL_connect WANT_... retrying\n");
libwebsocket_callback_on_writable(
context, wsi);
wsi->mode = LWS_CONNMODE_WS_CLIENT_WAITING_SSL;
return 0; /* no error */
}
n = -1;
}
if (n <= 0) {
/*
* retry if new data comes until we
* run into the connection timeout or win
*/
n = ERR_get_error();
if (n != SSL_ERROR_NONE) {
lwsl_err("SSL connect error %lu: %s\n",
n,
ERR_error_string(n,
(char *)context->service_buffer));
return 0;
}
}
} else
wsi->ssl = NULL;
/* fallthru */
case LWS_CONNMODE_WS_CLIENT_WAITING_SSL:
if (wsi->use_ssl) {
if (wsi->mode == LWS_CONNMODE_WS_CLIENT_WAITING_SSL) {
lws_latency_pre(context, wsi);
n = SSL_connect(wsi->ssl);
lws_latency(context, wsi,
"SSL_connect LWS_CONNMODE_WS_CLIENT_WAITING_SSL",
n, n > 0);
if (n < 0) {
n = SSL_get_error(wsi->ssl, n);
if (n == SSL_ERROR_WANT_READ ||
n == SSL_ERROR_WANT_WRITE) {
/*
* wants us to retry connect due to
* state of the underlying ssl layer...
* but since it may be stalled on
* blocked write, no incoming data may
* arrive to trigger the retry.
* Force (possibly many times if the SSL
* state persists in returning the
* condition code, but other sockets
* are getting serviced inbetweentimes)
* us to get called back when writable.
*/
lwsl_info(
"SSL_connect WANT_... retrying\n");
libwebsocket_callback_on_writable(
context, wsi);
wsi->mode = LWS_CONNMODE_WS_CLIENT_WAITING_SSL;
return 0; /* no error */
}
n = -1;
}
if (n <= 0) {
/*
* retry if new data comes until we
* run into the connection timeout or win
*/
n = ERR_get_error();
if (n != SSL_ERROR_NONE) {
lwsl_err("SSL connect error %lu: %s\n",
n,
ERR_error_string(n,
(char *)context->service_buffer));
return 0;
}
}
}
#ifndef USE_CYASSL
/*
* See comment above about CyaSSL certificate
* verification
*/
lws_latency_pre(context, wsi);
n = SSL_get_verify_result(wsi->ssl);
lws_latency(context, wsi,
"SSL_get_verify_result LWS_CONNMODE..HANDSHAKE",
n, n > 0);
if ((n != X509_V_OK) && (
n != X509_V_ERR_DEPTH_ZERO_SELF_SIGNED_CERT ||
wsi->use_ssl != 2)) {
lwsl_err(
"server's cert didn't look good %d\n", n);
libwebsocket_close_and_free_session(context,
wsi, LWS_CLOSE_STATUS_NOSTATUS);
return 0;
}
#endif /* USE_CYASSL */
} else
wsi->ssl = NULL;
#endif
wsi->mode = LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE2;
libwebsocket_set_timeout(wsi,
PENDING_TIMEOUT_AWAITING_CLIENT_HS_SEND,
AWAITING_TIMEOUT);
/* fallthru */
case LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE2:
p = libwebsockets_generate_client_handshake(context, wsi, p);
if (p == NULL) {
lwsl_err("Failed to generate handshake for client\n");
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
return 0;
}
/* send our request to the server */
lws_latency_pre(context, wsi);
n = lws_ssl_capable_write(wsi, context->service_buffer, p - (char *)context->service_buffer);
lws_latency(context, wsi, "send lws_issue_raw", n, n == p - (char *)context->service_buffer);
switch (n) {
case LWS_SSL_CAPABLE_ERROR:
lwsl_debug("ERROR writing to client socket\n");
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
return 0;
case LWS_SSL_CAPABLE_MORE_SERVICE:
libwebsocket_callback_on_writable(context, wsi);
break;
}
wsi->u.hdr.parser_state = WSI_TOKEN_NAME_PART;
wsi->u.hdr.lextable_pos = 0;
wsi->mode = LWS_CONNMODE_WS_CLIENT_WAITING_SERVER_REPLY;
libwebsocket_set_timeout(wsi,
PENDING_TIMEOUT_AWAITING_SERVER_RESPONSE,
AWAITING_TIMEOUT);
break;
case LWS_CONNMODE_WS_CLIENT_WAITING_SERVER_REPLY:
/* handle server hung up on us */
if (pollfd->revents & LWS_POLLHUP) {
lwsl_debug("Server connection %p (fd=%d) dead\n",
(void *)wsi, pollfd->fd);
goto bail3;
}
if (!(pollfd->revents & LWS_POLLIN))
break;
/* interpret the server response */
/*
* HTTP/1.1 101 Switching Protocols
* Upgrade: websocket
* Connection: Upgrade
* Sec-WebSocket-Accept: me89jWimTRKTWwrS3aRrL53YZSo=
* Sec-WebSocket-Nonce: AQIDBAUGBwgJCgsMDQ4PEC==
* Sec-WebSocket-Protocol: chat
*/
/*
* we have to take some care here to only take from the
* socket bytewise. The browser may (and has been seen to
* in the case that onopen() performs websocket traffic)
* coalesce both handshake response and websocket traffic
* in one packet, since at that point the connection is
* definitively ready from browser pov.
*/
len = 1;
while (wsi->u.hdr.parser_state != WSI_PARSING_COMPLETE &&
len > 0) {
n = lws_ssl_capable_read(wsi, &c, 1);
lws_latency(context, wsi, "send lws_issue_raw", n, n == 1);
switch (n) {
case LWS_SSL_CAPABLE_ERROR:
goto bail3;
case LWS_SSL_CAPABLE_MORE_SERVICE:
return 0;
}
if (libwebsocket_parse(context, wsi, c)) {
lwsl_warn("problems parsing header\n");
goto bail3;
}
}
/*
* hs may also be coming in multiple packets, there is a 5-sec
* libwebsocket timeout still active here too, so if parsing did
* not complete just wait for next packet coming in this state
*/
if (wsi->u.hdr.parser_state != WSI_PARSING_COMPLETE)
break;
/*
* otherwise deal with the handshake. If there's any
* packet traffic already arrived we'll trigger poll() again
* right away and deal with it that way
*/
return lws_client_interpret_server_handshake(context, wsi);
bail3:
lwsl_info(
"closing connection at LWS_CONNMODE...SERVER_REPLY\n");
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
return -1;
case LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT:
lwsl_ext("LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT\n");
break;
case LWS_CONNMODE_WS_CLIENT_PENDING_CANDIDATE_CHILD:
lwsl_ext("LWS_CONNMODE_WS_CLIENT_PENDING_CANDIDATE_CHILD\n");
break;
default:
break;
}
return 0;
}
/*
* In-place str to lower case
*/
static void
strtolower(char *s)
{
while (*s) {
*s = tolower((int)*s);
s++;
}
}
int
lws_client_interpret_server_handshake(struct libwebsocket_context *context,
struct libwebsocket *wsi)
{
const char *pc;
int okay = 0;
char *p;
int len;
#ifndef LWS_NO_EXTENSIONS
char ext_name[128];
struct libwebsocket_extension *ext;
void *v;
int more = 1;
const char *c;
#endif
int n;
int close_reason = LWS_CLOSE_STATUS_PROTOCOL_ERR;
/*
* well, what the server sent looked reasonable for syntax.
* Now let's confirm it sent all the necessary headers
*/
if (lws_hdr_total_length(wsi, WSI_TOKEN_ACCEPT) == 0) {
lwsl_info("no ACCEPT\n");
goto bail3;
}
p = lws_hdr_simple_ptr(wsi, WSI_TOKEN_HTTP);
if (!p) {
lwsl_info("no URI\n");
goto bail3;
}
if (p && strncmp(p, "101", 3)) {
lwsl_warn(
"lws_client_handshake: got bad HTTP response '%s'\n", p);
goto bail3;
}
p = lws_hdr_simple_ptr(wsi, WSI_TOKEN_UPGRADE);
if (!p) {
lwsl_info("no UPGRADE\n");
goto bail3;
}
strtolower(p);
if (strcmp(p, "websocket")) {
lwsl_warn(
"lws_client_handshake: got bad Upgrade header '%s'\n", p);
goto bail3;
}
p = lws_hdr_simple_ptr(wsi, WSI_TOKEN_CONNECTION);
if (!p) {
lwsl_info("no Connection hdr\n");
goto bail3;
}
strtolower(p);
if (strcmp(p, "upgrade")) {
lwsl_warn("lws_client_int_s_hs: bad header %s\n", p);
goto bail3;
}
pc = lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_SENT_PROTOCOLS);
if (pc == NULL)
lwsl_parser("lws_client_int_s_hs: no protocol list\n");
else
lwsl_parser("lws_client_int_s_hs: protocol list '%s'\n", pc);
/*
* confirm the protocol the server wants to talk was in the list
* of protocols we offered
*/
len = lws_hdr_total_length(wsi, WSI_TOKEN_PROTOCOL);
if (!len) {
lwsl_info("lws_client_int_s_hs: WSI_TOKEN_PROTOCOL is null\n");
/*
* no protocol name to work from,
* default to first protocol
*/
wsi->protocol = &context->protocols[0];
goto check_extensions;
}
p = lws_hdr_simple_ptr(wsi, WSI_TOKEN_PROTOCOL);
len = strlen(p);
while (*pc && !okay) {
if (!strncmp(pc, p, len) &&
(pc[len] == ',' || pc[len] == '\0')) {
okay = 1;
continue;
}
while (*pc && *pc != ',')
pc++;
while (*pc && *pc != ' ')
pc++;
}
if (!okay) {
lwsl_err("lws_client_int_s_hs: got bad protocol %s\n", p);
goto bail2;
}
/*
* identify the selected protocol struct and set it
*/
n = 0;
wsi->protocol = NULL;
while (context->protocols[n].callback && !wsi->protocol) {
if (strcmp(p, context->protocols[n].name) == 0) {
wsi->protocol = &context->protocols[n];
break;
}
n++;
}
if (wsi->protocol == NULL) {
lwsl_err("lws_client_int_s_hs: fail protocol %s\n", p);
goto bail2;
}
check_extensions:
#ifndef LWS_NO_EXTENSIONS
/* instantiate the accepted extensions */
if (!lws_hdr_total_length(wsi, WSI_TOKEN_EXTENSIONS)) {
lwsl_ext("no client extenstions allowed by server\n");
goto check_accept;
}
/*
* break down the list of server accepted extensions
* and go through matching them or identifying bogons
*/
if (lws_hdr_copy(wsi, (char *)context->service_buffer,
sizeof(context->service_buffer), WSI_TOKEN_EXTENSIONS) < 0) {
lwsl_warn("ext list from server failed to copy\n");
goto bail2;
}
c = (char *)context->service_buffer;
n = 0;
while (more) {
if (*c && (*c != ',' && *c != ' ' && *c != '\t')) {
ext_name[n] = *c++;
if (n < sizeof(ext_name) - 1)
n++;
continue;
}
ext_name[n] = '\0';
if (!*c)
more = 0;
else {
c++;
if (!n)
continue;
}
/* check we actually support it */
lwsl_ext("checking client ext %s\n", ext_name);
n = 0;
ext = wsi->protocol->owning_server->extensions;
while (ext && ext->callback) {
if (strcmp(ext_name, ext->name)) {
ext++;
continue;
}
n = 1;
lwsl_ext("instantiating client ext %s\n", ext_name);
/* instantiate the extension on this conn */
wsi->active_extensions_user[
wsi->count_active_extensions] =
malloc(ext->per_session_data_size);
if (wsi->active_extensions_user[
wsi->count_active_extensions] == NULL) {
lwsl_err("Out of mem\n");
goto bail2;
}
memset(wsi->active_extensions_user[
wsi->count_active_extensions], 0,
ext->per_session_data_size);
wsi->active_extensions[
wsi->count_active_extensions] = ext;
/* allow him to construct his context */
ext->callback(wsi->protocol->owning_server,
ext, wsi,
LWS_EXT_CALLBACK_CLIENT_CONSTRUCT,
wsi->active_extensions_user[
wsi->count_active_extensions],
NULL, 0);
wsi->count_active_extensions++;
ext++;
}
if (n == 0) {
lwsl_warn("Unknown ext '%s'!\n", ext_name);
goto bail2;
}
n = 0;
}
check_accept:
#endif
/*
* Confirm his accept token is the one we precomputed
*/
p = lws_hdr_simple_ptr(wsi, WSI_TOKEN_ACCEPT);
if (strcmp(p, wsi->u.hdr.ah->initial_handshake_hash_base64)) {
lwsl_warn("lws_client_int_s_hs: accept %s wrong vs %s\n", p,
wsi->u.hdr.ah->initial_handshake_hash_base64);
goto bail2;
}
/* allocate the per-connection user memory (if any) */
if (libwebsocket_ensure_user_space(wsi)) {
lwsl_err("Problem allocating wsi user mem\n");
goto bail2;
}
/*
* we seem to be good to go, give client last chance to check
* headers and OK it
*/
wsi->protocol->callback(context, wsi,
LWS_CALLBACK_CLIENT_FILTER_PRE_ESTABLISH,
wsi->user_space, NULL, 0);
/* clear his proxy connection timeout */
libwebsocket_set_timeout(wsi, NO_PENDING_TIMEOUT, 0);
/* free up his parsing allocations */
if (wsi->u.hdr.ah)
free(wsi->u.hdr.ah);
/* mark him as being alive */
wsi->state = WSI_STATE_ESTABLISHED;
wsi->mode = LWS_CONNMODE_WS_CLIENT;
/* union transition */
memset(&wsi->u, 0, sizeof(wsi->u));
wsi->u.ws.rxflow_change_to = LWS_RXFLOW_ALLOW;
/*
* create the frame buffer for this connection according to the
* size mentioned in the protocol definition. If 0 there, then
* use a big default for compatibility
*/
n = wsi->protocol->rx_buffer_size;
if (!n)
n = LWS_MAX_SOCKET_IO_BUF;
n += LWS_SEND_BUFFER_PRE_PADDING + LWS_SEND_BUFFER_POST_PADDING;
wsi->u.ws.rx_user_buffer = malloc(n);
if (!wsi->u.ws.rx_user_buffer) {
lwsl_err("Out of Mem allocating rx buffer %d\n", n);
goto bail2;
}
lwsl_info("Allocating client RX buffer %d\n", n);
if (setsockopt(wsi->sock, SOL_SOCKET, SO_SNDBUF, (const char *)&n, sizeof n)) {
lwsl_warn("Failed to set SNDBUF to %d", n);
goto bail3;
}
lwsl_debug("handshake OK for protocol %s\n", wsi->protocol->name);
/* call him back to inform him he is up */
wsi->protocol->callback(context, wsi,
LWS_CALLBACK_CLIENT_ESTABLISHED,
wsi->user_space, NULL, 0);
#ifndef LWS_NO_EXTENSIONS
/*
* inform all extensions, not just active ones since they
* already know
*/
ext = context->extensions;
while (ext && ext->callback) {
v = NULL;
for (n = 0; n < wsi->count_active_extensions; n++)
if (wsi->active_extensions[n] == ext)
v = wsi->active_extensions_user[n];
ext->callback(context, ext, wsi,
LWS_EXT_CALLBACK_ANY_WSI_ESTABLISHED, v, NULL, 0);
ext++;
}
#endif
return 0;
bail3:
free(wsi->u.ws.rx_user_buffer);
wsi->u.ws.rx_user_buffer = NULL;
close_reason = LWS_CLOSE_STATUS_NOSTATUS;
bail2:
if (wsi->protocol)
wsi->protocol->callback(context, wsi,
LWS_CALLBACK_CLIENT_CONNECTION_ERROR,
wsi->user_space, NULL, 0);
lwsl_info("closing connection due to bail2 connection error\n");
/* free up his parsing allocations */
if (wsi->u.hdr.ah)
free(wsi->u.hdr.ah);
libwebsocket_close_and_free_session(context, wsi, close_reason);
return 1;
}
char *
libwebsockets_generate_client_handshake(struct libwebsocket_context *context,
struct libwebsocket *wsi, char *pkt)
{
char buf[128];
char hash[20];
char key_b64[40];
char *p = pkt;
int n;
#ifndef LWS_NO_EXTENSIONS
struct libwebsocket_extension *ext;
int ext_count = 0;
#endif
/*
* create the random key
*/
n = libwebsockets_get_random(context, hash, 16);
if (n != 16) {
lwsl_err("Unable to read from random dev %s\n",
SYSTEM_RANDOM_FILEPATH);
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
return NULL;
}
lws_b64_encode_string(hash, 16, key_b64, sizeof(key_b64));
/*
* 00 example client handshake
*
* GET /socket.io/websocket HTTP/1.1
* Upgrade: WebSocket
* Connection: Upgrade
* Host: 127.0.0.1:9999
* Origin: http://127.0.0.1
* Sec-WebSocket-Key1: 1 0 2#0W 9 89 7 92 ^
* Sec-WebSocket-Key2: 7 7Y 4328 B2v[8(z1
* Cookie: socketio=websocket
*
* (Á®Ä0†≥
*
* 04 example client handshake
*
* GET /chat HTTP/1.1
* Host: server.example.com
* Upgrade: websocket
* Connection: Upgrade
* Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==
* Sec-WebSocket-Origin: http://example.com
* Sec-WebSocket-Protocol: chat, superchat
* Sec-WebSocket-Version: 4
*/
p += sprintf(p, "GET %s HTTP/1.1\x0d\x0a",
lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_URI));
p += sprintf(p,
"Pragma: no-cache\x0d\x0a""Cache-Control: no-cache\x0d\x0a");
p += sprintf(p, "Host: %s\x0d\x0a",
lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_HOST));
p += sprintf(p,
"Upgrade: websocket\x0d\x0a""Connection: Upgrade\x0d\x0a""Sec-WebSocket-Key: ");
strcpy(p, key_b64);
p += strlen(key_b64);
p += sprintf(p, "\x0d\x0a");
if (lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_ORIGIN))
p += sprintf(p, "Origin: http://%s\x0d\x0a",
lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_ORIGIN));
if (lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_SENT_PROTOCOLS))
p += sprintf(p, "Sec-WebSocket-Protocol: %s\x0d\x0a",
lws_hdr_simple_ptr(wsi, _WSI_TOKEN_CLIENT_SENT_PROTOCOLS));
/* tell the server what extensions we could support */
p += sprintf(p, "Sec-WebSocket-Extensions: ");
#ifndef LWS_NO_EXTENSIONS
ext = context->extensions;
while (ext && ext->callback) {
n = lws_ext_callback_for_each_extension_type(context, wsi,
LWS_EXT_CALLBACK_CHECK_OK_TO_PROPOSE_EXTENSION,
(char *)ext->name, 0);
if (n) { /* an extension vetos us */
lwsl_ext("ext %s vetoed\n", (char *)ext->name);
ext++;
continue;
}
n = context->protocols[0].callback(context, wsi,
LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED,
wsi->user_space, (char *)ext->name, 0);
/*
* zero return from callback means
* go ahead and allow the extension,
* it's what we get if the callback is
* unhandled
*/
if (n) {
ext++;
continue;
}
/* apply it */
if (ext_count)
*p++ = ',';
p += sprintf(p, "%s", ext->name);
ext_count++;
ext++;
}
#endif
p += sprintf(p, "\x0d\x0a");
if (wsi->ietf_spec_revision)
p += sprintf(p, "Sec-WebSocket-Version: %d\x0d\x0a",
wsi->ietf_spec_revision);
/* give userland a chance to append, eg, cookies */
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_CLIENT_APPEND_HANDSHAKE_HEADER,
NULL, &p, (pkt + sizeof(context->service_buffer)) - p - 12);
p += sprintf(p, "\x0d\x0a");
/* prepare the expected server accept response */
key_b64[39] = '\0'; /* enforce composed length below buf sizeof */
n = sprintf(buf, "%s258EAFA5-E914-47DA-95CA-C5AB0DC85B11", key_b64);
SHA1((unsigned char *)buf, n, (unsigned char *)hash);
lws_b64_encode_string(hash, 20,
wsi->u.hdr.ah->initial_handshake_hash_base64,
sizeof(wsi->u.hdr.ah->initial_handshake_hash_base64));
return p;
}

341
dependencies/libwebsockets/lib/context.c vendored Normal file
View File

@ -0,0 +1,341 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2014 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
#ifndef LWS_BUILD_HASH
#define LWS_BUILD_HASH "unknown-build-hash"
#endif
static const char *library_version = LWS_LIBRARY_VERSION " " LWS_BUILD_HASH;
/**
* lws_get_library_version: get version and git hash library built from
*
* returns a const char * to a string like "1.1 178d78c"
* representing the library version followed by the git head hash it
* was built from
*/
LWS_VISIBLE const char *
lws_get_library_version(void)
{
return library_version;
}
/**
* libwebsocket_create_context() - Create the websocket handler
* @info: pointer to struct with parameters
*
* This function creates the listening socket (if serving) and takes care
* of all initialization in one step.
*
* After initialization, it returns a struct libwebsocket_context * that
* represents this server. After calling, user code needs to take care
* of calling libwebsocket_service() with the context pointer to get the
* server's sockets serviced. This must be done in the same process
* context as the initialization call.
*
* The protocol callback functions are called for a handful of events
* including http requests coming in, websocket connections becoming
* established, and data arriving; it's also called periodically to allow
* async transmission.
*
* HTTP requests are sent always to the FIRST protocol in @protocol, since
* at that time websocket protocol has not been negotiated. Other
* protocols after the first one never see any HTTP callack activity.
*
* The server created is a simple http server by default; part of the
* websocket standard is upgrading this http connection to a websocket one.
*
* This allows the same server to provide files like scripts and favicon /
* images or whatever over http and dynamic data over websockets all in
* one place; they're all handled in the user callback.
*/
LWS_VISIBLE struct libwebsocket_context *
libwebsocket_create_context(struct lws_context_creation_info *info)
{
struct libwebsocket_context *context = NULL;
char *p;
int pid_daemon = get_daemonize_pid();
lwsl_notice("Initial logging level %d\n", log_level);
lwsl_notice("Library version: %s\n", library_version);
#ifdef LWS_USE_IPV6
if (!(info->options & LWS_SERVER_OPTION_DISABLE_IPV6))
lwsl_notice("IPV6 compiled in and enabled\n");
else
lwsl_notice("IPV6 compiled in but disabled\n");
#else
lwsl_notice("IPV6 not compiled in\n");
#endif
lws_feature_status_libev(info);
lwsl_info(" LWS_MAX_HEADER_LEN: %u\n", LWS_MAX_HEADER_LEN);
lwsl_info(" LWS_MAX_PROTOCOLS: %u\n", LWS_MAX_PROTOCOLS);
lwsl_info(" SPEC_LATEST_SUPPORTED: %u\n", SPEC_LATEST_SUPPORTED);
lwsl_info(" AWAITING_TIMEOUT: %u\n", AWAITING_TIMEOUT);
lwsl_info(" SYSTEM_RANDOM_FILEPATH: '%s'\n", SYSTEM_RANDOM_FILEPATH);
lwsl_info(" LWS_MAX_ZLIB_CONN_BUFFER: %u\n", LWS_MAX_ZLIB_CONN_BUFFER);
if (lws_plat_context_early_init())
return NULL;
context = (struct libwebsocket_context *)
malloc(sizeof(struct libwebsocket_context));
if (!context) {
lwsl_err("No memory for websocket context\n");
return NULL;
}
memset(context, 0, sizeof(*context));
if (pid_daemon) {
context->started_with_parent = pid_daemon;
lwsl_notice(" Started with daemon pid %d\n", pid_daemon);
}
context->listen_service_extraseen = 0;
context->protocols = info->protocols;
context->token_limits = info->token_limits;
context->listen_port = info->port;
context->http_proxy_port = 0;
context->http_proxy_address[0] = '\0';
context->options = info->options;
context->iface = info->iface;
/* to reduce this allocation, */
context->max_fds = getdtablesize();
lwsl_notice(" static allocation: %u + (%u x %u fds) = %u bytes\n",
sizeof(struct libwebsocket_context),
sizeof(struct libwebsocket_pollfd) +
sizeof(struct libwebsocket *),
context->max_fds,
sizeof(struct libwebsocket_context) +
((sizeof(struct libwebsocket_pollfd) +
sizeof(struct libwebsocket *)) *
context->max_fds));
context->fds = (struct libwebsocket_pollfd *)
malloc(sizeof(struct libwebsocket_pollfd) *
context->max_fds);
if (context->fds == NULL) {
lwsl_err("Unable to allocate fds array for %d connections\n",
context->max_fds);
free(context);
return NULL;
}
context->lws_lookup = (struct libwebsocket **)
malloc(sizeof(struct libwebsocket *) * context->max_fds);
if (context->lws_lookup == NULL) {
lwsl_err(
"Unable to allocate lws_lookup array for %d connections\n",
context->max_fds);
free(context->fds);
free(context);
return NULL;
}
memset(context->lws_lookup, 0, sizeof(struct libwebsocket *) *
context->max_fds);
if (lws_plat_init_fd_tables(context)) {
free(context->lws_lookup);
free(context->fds);
free(context);
return NULL;
}
lws_context_init_extensions(info, context);
context->user_space = info->user;
strcpy(context->canonical_hostname, "unknown");
lws_server_get_canonical_hostname(context, info);
/* split the proxy ads:port if given */
if (info->http_proxy_address) {
strncpy(context->http_proxy_address, info->http_proxy_address,
sizeof(context->http_proxy_address) - 1);
context->http_proxy_address[
sizeof(context->http_proxy_address) - 1] = '\0';
context->http_proxy_port = info->http_proxy_port;
} else {
#ifdef HAVE_GETENV
p = getenv("http_proxy");
if (p) {
strncpy(context->http_proxy_address, p,
sizeof(context->http_proxy_address) - 1);
context->http_proxy_address[
sizeof(context->http_proxy_address) - 1] = '\0';
p = strchr(context->http_proxy_address, ':');
if (p == NULL) {
lwsl_err("http_proxy needs to be ads:port\n");
goto bail;
}
*p = '\0';
context->http_proxy_port = atoi(p + 1);
}
#endif
}
if (context->http_proxy_address[0])
lwsl_notice(" Proxy %s:%u\n",
context->http_proxy_address,
context->http_proxy_port);
lwsl_notice(
" per-conn mem: %u + %u headers + protocol rx buf\n",
sizeof(struct libwebsocket),
sizeof(struct allocated_headers));
if (lws_context_init_server_ssl(info, context))
goto bail;
if (lws_context_init_client_ssl(info, context))
goto bail;
if (lws_context_init_server(info, context))
goto bail;
/*
* drop any root privs for this process
* to listen on port < 1023 we would have needed root, but now we are
* listening, we don't want the power for anything else
*/
lws_plat_drop_app_privileges(info);
/* initialize supported protocols */
for (context->count_protocols = 0;
info->protocols[context->count_protocols].callback;
context->count_protocols++) {
lwsl_parser(" Protocol: %s\n",
info->protocols[context->count_protocols].name);
info->protocols[context->count_protocols].owning_server =
context;
info->protocols[context->count_protocols].protocol_index =
context->count_protocols;
/*
* inform all the protocols that they are doing their one-time
* initialization if they want to
*/
info->protocols[context->count_protocols].callback(context,
NULL, LWS_CALLBACK_PROTOCOL_INIT, NULL, NULL, 0);
}
/*
* give all extensions a chance to create any per-context
* allocations they need
*/
if (info->port != CONTEXT_PORT_NO_LISTEN) {
if (lws_ext_callback_for_each_extension_type(context, NULL,
LWS_EXT_CALLBACK_SERVER_CONTEXT_CONSTRUCT,
NULL, 0) < 0)
goto bail;
} else
if (lws_ext_callback_for_each_extension_type(context, NULL,
LWS_EXT_CALLBACK_CLIENT_CONTEXT_CONSTRUCT,
NULL, 0) < 0)
goto bail;
return context;
bail:
libwebsocket_context_destroy(context);
return NULL;
}
/**
* libwebsocket_context_destroy() - Destroy the websocket context
* @context: Websocket context
*
* This function closes any active connections and then frees the
* context. After calling this, any further use of the context is
* undefined.
*/
LWS_VISIBLE void
libwebsocket_context_destroy(struct libwebsocket_context *context)
{
int n;
struct libwebsocket_protocols *protocol = context->protocols;
lwsl_notice("%s\n", __func__);
#ifdef LWS_LATENCY
if (context->worst_latency_info[0])
lwsl_notice("Worst latency: %s\n", context->worst_latency_info);
#endif
for (n = 0; n < context->fds_count; n++) {
struct libwebsocket *wsi =
context->lws_lookup[context->fds[n].fd];
if (!wsi)
continue;
libwebsocket_close_and_free_session(context,
wsi, LWS_CLOSE_STATUS_NOSTATUS /* no protocol close */);
n--;
}
/*
* give all extensions a chance to clean up any per-context
* allocations they might have made
*/
if (context->listen_port) {
if (lws_ext_callback_for_each_extension_type(context, NULL,
LWS_EXT_CALLBACK_SERVER_CONTEXT_DESTRUCT, NULL, 0) < 0)
return;
} else
if (lws_ext_callback_for_each_extension_type(context, NULL,
LWS_EXT_CALLBACK_CLIENT_CONTEXT_DESTRUCT, NULL, 0) < 0)
return;
/*
* inform all the protocols that they are done and will have no more
* callbacks
*/
while (protocol->callback) {
protocol->callback(context, NULL, LWS_CALLBACK_PROTOCOL_DESTROY,
NULL, NULL, 0);
protocol++;
}
lws_plat_context_early_destroy(context);
lws_ssl_context_destroy(context);
if (context->fds)
free(context->fds);
if (context->lws_lookup)
free(context->lws_lookup);
lws_plat_context_late_destroy(context);
free(context);
}

222
dependencies/libwebsockets/lib/daemonize.c vendored Normal file
View File

@ -0,0 +1,222 @@
/*
* This code is mainly taken from Doug Potter's page
*
* http://www-theorie.physik.unizh.ch/~dpotter/howto/daemonize
*
* I contacted him 2007-04-16 about the license for the original code,
* he replied it is Public Domain. Use the URL above to get the original
* Public Domain version if you want it.
*
* This version is LGPL2 and is (c)2006 - 2013 Andy Green <andy@warmcat.com>
*/
#include <stdlib.h>
#include <string.h>
#include <stdio.h>
#include <signal.h>
#include <sys/types.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <limits.h>
#include <unistd.h>
#include <errno.h>
#include "private-libwebsockets.h"
int pid_daemon;
static char *lock_path;
int get_daemonize_pid()
{
return pid_daemon;
}
static void
child_handler(int signum)
{
int fd;
int len;
int sent;
char sz[20];
switch (signum) {
case SIGALRM: /* timedout daemonizing */
exit(1);
break;
case SIGUSR1: /* positive confirmation we daemonized well */
/* Create the lock file as the current user */
fd = open(lock_path, O_TRUNC | O_RDWR | O_CREAT, 0640);
if (fd < 0) {
fprintf(stderr,
"unable to create lock file %s, code=%d (%s)\n",
lock_path, errno, strerror(errno));
exit(1);
}
len = sprintf(sz, "%u", pid_daemon);
sent = write(fd, sz, len);
if (sent != len)
fprintf(stderr,
"unable write pid to lock file %s, code=%d (%s)\n",
lock_path, errno, strerror(errno));
close(fd);
exit(!!(sent == len));
case SIGCHLD: /* daemonization failed */
exit(1);
break;
}
}
static void lws_daemon_closing(int sigact)
{
if (getpid() == pid_daemon)
if (lock_path) {
unlink(lock_path);
free(lock_path);
lock_path = NULL;
}
kill(getpid(), SIGKILL);
}
/*
* You just need to call this from your main(), when it
* returns you are all set "in the background" decoupled
* from the console you were started from.
*
* The process context you called from has been terminated then.
*/
LWS_VISIBLE int
lws_daemonize(const char *_lock_path)
{
pid_t sid, parent;
int fd;
char buf[10];
int n, ret;
struct sigaction act;
/* already a daemon */
if (getppid() == 1)
return 1;
fd = open(_lock_path, O_RDONLY);
if (fd > 0) {
n = read(fd, buf, sizeof(buf));
close(fd);
if (n) {
n = atoi(buf);
ret = kill(n, 0);
if (ret >= 0) {
fprintf(stderr,
"Daemon already running from pid %d\n", n);
exit(1);
}
fprintf(stderr,
"Removing stale lock file %s from dead pid %d\n",
_lock_path, n);
unlink(lock_path);
}
}
n = strlen(_lock_path) + 1;
lock_path = malloc(n);
if (!lock_path) {
fprintf(stderr, "Out of mem in lws_daemonize\n");
return 1;
}
strcpy(lock_path, _lock_path);
/* Trap signals that we expect to recieve */
signal(SIGCHLD, child_handler); /* died */
signal(SIGUSR1, child_handler); /* was happy */
signal(SIGALRM, child_handler); /* timeout daemonizing */
/* Fork off the parent process */
pid_daemon = fork();
if (pid_daemon < 0) {
fprintf(stderr, "unable to fork daemon, code=%d (%s)",
errno, strerror(errno));
exit(1);
}
/* If we got a good PID, then we can exit the parent process. */
if (pid_daemon > 0) {
/*
* Wait for confirmation signal from the child via
* SIGCHILD / USR1, or for two seconds to elapse
* (SIGALRM). pause() should not return.
*/
alarm(2);
pause();
/* should not be reachable */
exit(1);
}
/* At this point we are executing as the child process */
parent = getppid();
pid_daemon = getpid();
/* Cancel certain signals */
signal(SIGCHLD, SIG_DFL); /* A child process dies */
signal(SIGTSTP, SIG_IGN); /* Various TTY signals */
signal(SIGTTOU, SIG_IGN);
signal(SIGTTIN, SIG_IGN);
signal(SIGHUP, SIG_IGN); /* Ignore hangup signal */
/* Change the file mode mask */
umask(0);
/* Create a new SID for the child process */
sid = setsid();
if (sid < 0) {
fprintf(stderr,
"unable to create a new session, code %d (%s)",
errno, strerror(errno));
exit(1);
}
/*
* Change the current working directory. This prevents the current
* directory from being locked; hence not being able to remove it.
*/
if (chdir("/") < 0) {
fprintf(stderr,
"unable to change directory to %s, code %d (%s)",
"/", errno, strerror(errno));
exit(1);
}
/* Redirect standard files to /dev/null */
if (!freopen("/dev/null", "r", stdin))
fprintf(stderr, "unable to freopen() stdin, code %d (%s)",
errno, strerror(errno));
if (!freopen("/dev/null", "w", stdout))
fprintf(stderr, "unable to freopen() stdout, code %d (%s)",
errno, strerror(errno));
if (!freopen("/dev/null", "w", stderr))
fprintf(stderr, "unable to freopen() stderr, code %d (%s)",
errno, strerror(errno));
/* Tell the parent process that we are A-okay */
kill(parent, SIGUSR1);
act.sa_handler = lws_daemon_closing;
sigemptyset(&act.sa_mask);
act.sa_flags = 0;
sigaction(SIGTERM, &act, NULL);
/* return to continue what is now "the daemon" */
return 0;
}

294
dependencies/libwebsockets/lib/extension-deflate-frame.c vendored Normal file
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#include "private-libwebsockets.h"
#include "extension-deflate-frame.h"
#include <stdio.h>
#include <string.h>
#include <assert.h>
#define LWS_ZLIB_WINDOW_BITS 15
#define LWS_ZLIB_MEMLEVEL 8
int lws_extension_callback_deflate_frame(
struct libwebsocket_context *context,
struct libwebsocket_extension *ext,
struct libwebsocket *wsi,
enum libwebsocket_extension_callback_reasons reason,
void *user, void *in, size_t len)
{
struct lws_ext_deflate_frame_conn *conn =
(struct lws_ext_deflate_frame_conn *)user;
struct lws_tokens *eff_buf = (struct lws_tokens *)in;
size_t current_payload, remaining_payload, total_payload;
int n;
size_t len_so_far;
switch (reason) {
/*
* for deflate-frame, both client and server sides act the same
*/
case LWS_EXT_CALLBACK_CLIENT_CONSTRUCT:
case LWS_EXT_CALLBACK_CONSTRUCT:
conn->zs_in.zalloc = conn->zs_out.zalloc = Z_NULL;
conn->zs_in.zfree = conn->zs_out.zfree = Z_NULL;
conn->zs_in.opaque = conn->zs_out.opaque = Z_NULL;
n = inflateInit2(&conn->zs_in, -LWS_ZLIB_WINDOW_BITS);
if (n != Z_OK) {
lwsl_ext("deflateInit returned %d\n", n);
return 1;
}
n = deflateInit2(&conn->zs_out,
(context->listen_port ?
DEFLATE_FRAME_COMPRESSION_LEVEL_SERVER :
DEFLATE_FRAME_COMPRESSION_LEVEL_CLIENT),
Z_DEFLATED,
-LWS_ZLIB_WINDOW_BITS, LWS_ZLIB_MEMLEVEL,
Z_DEFAULT_STRATEGY);
if (n != Z_OK) {
lwsl_ext("deflateInit2 returned %d\n", n);
return 1;
}
conn->buf_pre_used = 0;
conn->buf_pre_length = 0;
conn->buf_in_length = sizeof(conn->buf_in);
conn->buf_out_length = sizeof(conn->buf_out);
conn->compressed_out = 0;
conn->buf_pre = NULL;
conn->buf_in = (unsigned char *)
malloc(LWS_SEND_BUFFER_PRE_PADDING +
conn->buf_in_length +
LWS_SEND_BUFFER_POST_PADDING);
if (!conn->buf_in)
goto bail;
conn->buf_out = (unsigned char *)
malloc(LWS_SEND_BUFFER_PRE_PADDING +
conn->buf_out_length +
LWS_SEND_BUFFER_POST_PADDING);
if (!conn->buf_out)
goto bail;
lwsl_ext("zlibs constructed\n");
break;
bail:
lwsl_err("Out of mem\n");
(void)inflateEnd(&conn->zs_in);
(void)deflateEnd(&conn->zs_out);
return -1;
case LWS_EXT_CALLBACK_DESTROY:
if (conn->buf_pre)
free(conn->buf_pre);
free(conn->buf_in);
free(conn->buf_out);
conn->buf_pre_used = 0;
conn->buf_pre_length = 0;
conn->buf_in_length = 0;
conn->buf_out_length = 0;
conn->compressed_out = 0;
(void)inflateEnd(&conn->zs_in);
(void)deflateEnd(&conn->zs_out);
lwsl_ext("zlibs destructed\n");
break;
case LWS_EXT_CALLBACK_PAYLOAD_RX:
if (!(wsi->u.ws.rsv & 0x40))
return 0;
/*
* inflate the incoming payload
*/
current_payload = eff_buf->token_len;
remaining_payload = wsi->u.ws.rx_packet_length;
if (remaining_payload) {
total_payload = conn->buf_pre_used +
current_payload +
remaining_payload;
if (conn->buf_pre_length < total_payload) {
conn->buf_pre_length = total_payload;
if (conn->buf_pre)
free(conn->buf_pre);
conn->buf_pre =
(unsigned char *)malloc(total_payload + 4);
if (!conn->buf_pre) {
lwsl_err("Out of memory\n");
return -1;
}
}
memcpy(conn->buf_pre + conn->buf_pre_used,
eff_buf->token, current_payload);
conn->buf_pre_used += current_payload;
eff_buf->token = NULL;
eff_buf->token_len = 0;
return 0;
}
if (conn->buf_pre_used) {
total_payload = conn->buf_pre_used +
current_payload;
memcpy(conn->buf_pre + conn->buf_pre_used,
eff_buf->token, current_payload);
conn->buf_pre_used = 0;
conn->zs_in.next_in = conn->buf_pre;
} else {
total_payload = current_payload;
conn->zs_in.next_in = (unsigned char *)eff_buf->token;
}
conn->zs_in.next_in[total_payload + 0] = 0;
conn->zs_in.next_in[total_payload + 1] = 0;
conn->zs_in.next_in[total_payload + 2] = 0xff;
conn->zs_in.next_in[total_payload + 3] = 0xff;
conn->zs_in.avail_in = total_payload + 4;
conn->zs_in.next_out =
conn->buf_in + LWS_SEND_BUFFER_PRE_PADDING;
conn->zs_in.avail_out = conn->buf_in_length;
while (1) {
n = inflate(&conn->zs_in, Z_SYNC_FLUSH);
switch (n) {
case Z_NEED_DICT:
case Z_STREAM_ERROR:
case Z_DATA_ERROR:
case Z_MEM_ERROR:
/*
* screwed.. close the connection...
* we will get a destroy callback to take care
* of closing nicely
*/
lwsl_info("zlib error inflate %d: %s\n",
n, conn->zs_in.msg);
return -1;
}
if (conn->zs_in.avail_out)
break;
len_so_far = conn->zs_in.next_out -
(conn->buf_in + LWS_SEND_BUFFER_PRE_PADDING);
conn->buf_in_length *= 2;
if (conn->buf_in_length > LWS_MAX_ZLIB_CONN_BUFFER) {
lwsl_ext("zlib in buffer hit limit %u\n",
LWS_MAX_ZLIB_CONN_BUFFER);
return -1;
}
conn->buf_in = (unsigned char *)realloc(conn->buf_in,
LWS_SEND_BUFFER_PRE_PADDING +
conn->buf_in_length +
LWS_SEND_BUFFER_POST_PADDING);
if (!conn->buf_in) {
lwsl_err("Out of memory\n");
return -1;
}
lwsl_debug(
"deflate-frame ext RX did realloc to %ld\n",
conn->buf_in_length);
conn->zs_in.next_out = conn->buf_in +
LWS_SEND_BUFFER_PRE_PADDING + len_so_far;
conn->zs_in.avail_out =
conn->buf_in_length - len_so_far;
}
/* rewrite the buffer pointers and length */
eff_buf->token =
(char *)(conn->buf_in + LWS_SEND_BUFFER_PRE_PADDING);
eff_buf->token_len = (int)(conn->zs_in.next_out -
(conn->buf_in + LWS_SEND_BUFFER_PRE_PADDING));
return 0;
case LWS_EXT_CALLBACK_PAYLOAD_TX:
/*
* deflate the outgoing payload
*/
current_payload = eff_buf->token_len;
conn->zs_out.next_in = (unsigned char *)eff_buf->token;
conn->zs_out.avail_in = current_payload;
conn->zs_out.next_out =
conn->buf_out + LWS_SEND_BUFFER_PRE_PADDING;
conn->zs_out.avail_out = conn->buf_out_length;
while (1) {
n = deflate(&conn->zs_out, Z_SYNC_FLUSH);
if (n == Z_STREAM_ERROR) {
/*
* screwed.. close the connection... we will
* get a destroy callback to take care of
* closing nicely
*/
lwsl_ext("zlib error deflate\n");
return -1;
}
if (conn->zs_out.avail_out)
break;
len_so_far = (conn->zs_out.next_out -
(conn->buf_out +
LWS_SEND_BUFFER_PRE_PADDING));
conn->buf_out_length *= 2;
if (conn->buf_out_length > LWS_MAX_ZLIB_CONN_BUFFER) {
lwsl_ext("zlib out hit limit %u\n",
LWS_MAX_ZLIB_CONN_BUFFER);
return -1;
}
conn->buf_out = (unsigned char *)realloc(
conn->buf_out,
LWS_SEND_BUFFER_PRE_PADDING +
conn->buf_out_length +
LWS_SEND_BUFFER_POST_PADDING);
if (!conn->buf_out) {
lwsl_err("Out of memory\n");
return -1;
}
lwsl_debug(
"deflate-frame ext TX did realloc to %ld\n",
conn->buf_in_length);
conn->zs_out.next_out = (conn->buf_out +
LWS_SEND_BUFFER_PRE_PADDING + len_so_far);
conn->zs_out.avail_out =
(conn->buf_out_length - len_so_far);
}
conn->compressed_out = 1;
/* rewrite the buffer pointers and length */
eff_buf->token = (char *)(conn->buf_out +
LWS_SEND_BUFFER_PRE_PADDING);
eff_buf->token_len = (int)(conn->zs_out.next_out -
(conn->buf_out + LWS_SEND_BUFFER_PRE_PADDING)) - 4;
return 0;
case LWS_EXT_CALLBACK_PACKET_TX_PRESEND:
if (conn->compressed_out) {
conn->compressed_out = 0;
*((unsigned char *)eff_buf->token) |= 0x40;
}
break;
case LWS_EXT_CALLBACK_CHECK_OK_TO_PROPOSE_EXTENSION:
/* Avoid x-webkit-deflate-frame extension on client */
if (!strcmp((char *)in, "x-webkit-deflate-frame"))
return 1;
break;
default:
break;
}
return 0;
}

25
dependencies/libwebsockets/lib/extension-deflate-frame.h vendored Normal file
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#include <zlib.h>
#define DEFLATE_FRAME_COMPRESSION_LEVEL_SERVER 1
#define DEFLATE_FRAME_COMPRESSION_LEVEL_CLIENT Z_DEFAULT_COMPRESSION
struct lws_ext_deflate_frame_conn {
z_stream zs_in;
z_stream zs_out;
size_t buf_pre_used;
size_t buf_pre_length;
size_t buf_in_length;
size_t buf_out_length;
int compressed_out;
unsigned char *buf_pre;
unsigned char *buf_in;
unsigned char *buf_out;
};
extern int lws_extension_callback_deflate_frame(
struct libwebsocket_context *context,
struct libwebsocket_extension *ext,
struct libwebsocket *wsi,
enum libwebsocket_extension_callback_reasons reason,
void *user, void *in, size_t len);

166
dependencies/libwebsockets/lib/extension-deflate-stream.c vendored Normal file
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#include "private-libwebsockets.h"
#include "extension-deflate-stream.h"
#include <stdio.h>
#include <string.h>
#include <assert.h>
#define LWS_ZLIB_WINDOW_BITS 15
#define LWS_ZLIB_MEMLEVEL 8
int lws_extension_callback_deflate_stream(
struct libwebsocket_context *context,
struct libwebsocket_extension *ext,
struct libwebsocket *wsi,
enum libwebsocket_extension_callback_reasons reason,
void *user, void *in, size_t len)
{
struct lws_ext_deflate_stream_conn *conn =
(struct lws_ext_deflate_stream_conn *)user;
int n;
struct lws_tokens *eff_buf = (struct lws_tokens *)in;
switch (reason) {
/*
* for deflate-stream, both client and server sides act the same
*/
case LWS_EXT_CALLBACK_CLIENT_CONSTRUCT:
case LWS_EXT_CALLBACK_CONSTRUCT:
conn->zs_in.zalloc = conn->zs_out.zalloc = Z_NULL;
conn->zs_in.zfree = conn->zs_out.zfree = Z_NULL;
conn->zs_in.opaque = conn->zs_out.opaque = Z_NULL;
n = inflateInit2(&conn->zs_in, -LWS_ZLIB_WINDOW_BITS);
if (n != Z_OK) {
lwsl_err("deflateInit returned %d\n", n);
return 1;
}
n = deflateInit2(&conn->zs_out,
DEFLATE_STREAM_COMPRESSION_LEVEL, Z_DEFLATED,
-LWS_ZLIB_WINDOW_BITS, LWS_ZLIB_MEMLEVEL,
Z_DEFAULT_STRATEGY);
if (n != Z_OK) {
lwsl_err("deflateInit returned %d\n", n);
return 1;
}
lwsl_ext("zlibs constructed\n");
conn->remaining_in = 0;
break;
case LWS_EXT_CALLBACK_DESTROY:
(void)inflateEnd(&conn->zs_in);
(void)deflateEnd(&conn->zs_out);
lwsl_ext("zlibs destructed\n");
break;
case LWS_EXT_CALLBACK_PACKET_RX_PREPARSE:
/*
* inflate the incoming compressed data
* Notice, length may be 0 and pointer NULL
* in the case we are flushing with nothing new coming in
*/
if (conn->remaining_in) {
conn->zs_in.next_in = conn->buf_in;
conn->zs_in.avail_in = conn->remaining_in;
conn->remaining_in = 0;
} else {
conn->zs_in.next_in = (unsigned char *)eff_buf->token;
conn->zs_in.avail_in = eff_buf->token_len;
}
conn->zs_in.next_out = conn->buf_out;
conn->zs_in.avail_out = sizeof(conn->buf_out);
n = inflate(&conn->zs_in, Z_SYNC_FLUSH);
switch (n) {
case Z_NEED_DICT:
case Z_DATA_ERROR:
case Z_MEM_ERROR:
/*
* screwed.. close the connection... we will get a
* destroy callback to take care of closing nicely
*/
lwsl_err("zlib error inflate %d\n", n);
return -1;
}
/* rewrite the buffer pointers and length */
eff_buf->token = (char *)conn->buf_out;
eff_buf->token_len =
sizeof(conn->buf_out) - conn->zs_in.avail_out;
/* copy avail data if not consumed */
if (conn->zs_in.avail_in > 0) {
conn->remaining_in = conn->zs_in.avail_in;
memcpy(conn->buf_in, conn->zs_in.next_in,
conn->zs_in.avail_in);
return 1;
}
/*
* if we filled the output buffer, signal that we likely have
* more and need to be called again
*/
if (eff_buf->token_len == sizeof(conn->buf_out))
return 1;
/* we don't need calling again until new input data comes */
return 0;
case LWS_EXT_CALLBACK_FLUSH_PENDING_TX:
case LWS_EXT_CALLBACK_PACKET_TX_PRESEND:
/*
* deflate the outgoing compressed data
*/
conn->zs_out.next_in = (unsigned char *)eff_buf->token;
conn->zs_out.avail_in = eff_buf->token_len;
conn->zs_out.next_out = conn->buf_out;
conn->zs_out.avail_out = sizeof(conn->buf_out);
n = Z_PARTIAL_FLUSH;
if (reason == LWS_EXT_CALLBACK_FLUSH_PENDING_TX)
n = Z_FULL_FLUSH;
n = deflate(&conn->zs_out, n);
if (n == Z_STREAM_ERROR) {
/*
* screwed.. close the connection... we will get a
* destroy callback to take care of closing nicely
*/
lwsl_ext("zlib error deflate\n");
return -1;
}
/* rewrite the buffer pointers and length */
eff_buf->token = (char *)conn->buf_out;
eff_buf->token_len =
sizeof(conn->buf_out) - conn->zs_out.avail_out;
/*
* if we filled the output buffer, signal that we likely have
* more and need to be called again... even in deflate case
* we might sometimes need to spill more than came in
*/
if (eff_buf->token_len == sizeof(conn->buf_out))
return 1;
/* we don't need calling again until new input data comes */
return 0;
default:
break;
}
return 0;
}

20
dependencies/libwebsockets/lib/extension-deflate-stream.h vendored Normal file
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#include <zlib.h>
#define DEFLATE_STREAM_CHUNK 128
#define DEFLATE_STREAM_COMPRESSION_LEVEL 1
struct lws_ext_deflate_stream_conn {
z_stream zs_in;
z_stream zs_out;
int remaining_in;
unsigned char buf_in[LWS_MAX_SOCKET_IO_BUF];
unsigned char buf_out[LWS_MAX_SOCKET_IO_BUF];
};
extern int lws_extension_callback_deflate_stream(
struct libwebsocket_context *context,
struct libwebsocket_extension *ext,
struct libwebsocket *wsi,
enum libwebsocket_extension_callback_reasons reason,
void *user, void *in, size_t len);

211
dependencies/libwebsockets/lib/extension.c vendored Normal file
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#include "private-libwebsockets.h"
#include "extension-deflate-frame.h"
#include "extension-deflate-stream.h"
struct libwebsocket_extension libwebsocket_internal_extensions[] = {
#ifdef LWS_EXT_DEFLATE_STREAM
{
"deflate-stream",
lws_extension_callback_deflate_stream,
sizeof(struct lws_ext_deflate_stream_conn)
},
#else
{
"x-webkit-deflate-frame",
lws_extension_callback_deflate_frame,
sizeof(struct lws_ext_deflate_frame_conn)
},
{
"deflate-frame",
lws_extension_callback_deflate_frame,
sizeof(struct lws_ext_deflate_frame_conn)
},
#endif
{ /* terminator */
NULL, NULL, 0
}
};
LWS_VISIBLE void
lws_context_init_extensions(struct lws_context_creation_info *info,
struct libwebsocket_context *context)
{
context->extensions = info->extensions;
lwsl_info(" LWS_MAX_EXTENSIONS_ACTIVE: %u\n", LWS_MAX_EXTENSIONS_ACTIVE);
}
LWS_VISIBLE struct libwebsocket_extension *libwebsocket_get_internal_extensions()
{
return libwebsocket_internal_extensions;
}
/* 0 = nobody had nonzero return, 1 = somebody had positive return, -1 = fail */
int lws_ext_callback_for_each_active(struct libwebsocket *wsi, int reason,
void *arg, int len)
{
int n, m, handled = 0;
for (n = 0; n < wsi->count_active_extensions; n++) {
m = wsi->active_extensions[n]->callback(
wsi->protocol->owning_server,
wsi->active_extensions[n], wsi,
reason,
wsi->active_extensions_user[n],
arg, len);
if (m < 0) {
lwsl_ext(
"Extension '%s' failed to handle callback %d!\n",
wsi->active_extensions[n]->name, reason);
return -1;
}
if (m > handled)
handled = m;
}
return handled;
}
int lws_ext_callback_for_each_extension_type(
struct libwebsocket_context *context, struct libwebsocket *wsi,
int reason, void *arg, int len)
{
int n = 0, m, handled = 0;
struct libwebsocket_extension *ext = context->extensions;
while (ext && ext->callback && !handled) {
m = ext->callback(context, ext, wsi, reason,
(void *)(long)n, arg, len);
if (m < 0) {
lwsl_ext(
"Extension '%s' failed to handle callback %d!\n",
wsi->active_extensions[n]->name, reason);
return -1;
}
if (m)
handled = 1;
ext++;
n++;
}
return 0;
}
int
lws_issue_raw_ext_access(struct libwebsocket *wsi,
unsigned char *buf, size_t len)
{
int ret;
struct lws_tokens eff_buf;
int m;
int n = 0;
eff_buf.token = (char *)buf;
eff_buf.token_len = len;
/*
* while we have original buf to spill ourselves, or extensions report
* more in their pipeline
*/
ret = 1;
while (ret == 1) {
/* default to nobody has more to spill */
ret = 0;
/* show every extension the new incoming data */
m = lws_ext_callback_for_each_active(wsi,
LWS_EXT_CALLBACK_PACKET_TX_PRESEND, &eff_buf, 0);
if (m < 0)
return -1;
if (m) /* handled */
ret = 1;
if ((char *)buf != eff_buf.token)
/*
* extension recreated it:
* need to buffer this if not all sent
*/
wsi->u.ws.clean_buffer = 0;
/* assuming they left us something to send, send it */
if (eff_buf.token_len) {
n = lws_issue_raw(wsi, (unsigned char *)eff_buf.token,
eff_buf.token_len);
if (n < 0) {
lwsl_info("closing from ext access\n");
return -1;
}
/* always either sent it all or privately buffered */
if (wsi->u.ws.clean_buffer) {
eff_buf.token_len = n;
len = n;
}
}
lwsl_parser("written %d bytes to client\n", n);
/* no extension has more to spill? Then we can go */
if (!ret)
break;
/* we used up what we had */
eff_buf.token = NULL;
eff_buf.token_len = 0;
/*
* Did that leave the pipe choked?
* Or we had to hold on to some of it?
*/
if (!lws_send_pipe_choked(wsi) && !wsi->truncated_send_len)
/* no we could add more, lets's do that */
continue;
lwsl_debug("choked\n");
/*
* Yes, he's choked. Don't spill the rest now get a callback
* when he is ready to send and take care of it there
*/
libwebsocket_callback_on_writable(
wsi->protocol->owning_server, wsi);
wsi->extension_data_pending = 1;
ret = 0;
}
return len;
}
int
lws_any_extension_handled(struct libwebsocket_context *context,
struct libwebsocket *wsi,
enum libwebsocket_extension_callback_reasons r,
void *v, size_t len)
{
int n;
int handled = 0;
/* maybe an extension will take care of it for us */
for (n = 0; n < wsi->count_active_extensions && !handled; n++) {
if (!wsi->active_extensions[n]->callback)
continue;
handled |= wsi->active_extensions[n]->callback(context,
wsi->active_extensions[n], wsi,
r, wsi->active_extensions_user[n], v, len);
}
return handled;
}

276
dependencies/libwebsockets/lib/getifaddrs.c vendored Normal file
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@ -0,0 +1,276 @@
/*
* downloaded from
* http://ftp.uninett.no/pub/OpenBSD/src/kerberosV/src/lib/roken/getifaddrs.c
*/
#if !HAVE_GETIFADDRS
/*
* Copyright (c) 2000 - 2001 Kungliga Tekniska H<EFBFBD>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <errno.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <net/if.h>
#include <stdlib.h>
#include <string.h>
#include <sys/ioctl.h>
#include <unistd.h>
#ifdef HAVE_SYS_SOCKIO_H
#include <sys/sockio.h>
#endif
#ifdef HAVE_NETINET_IN6_VAR_H
#include <netinet/in6_var.h>
#endif
#ifndef max
#define max(a, b) ((a) > (b) ? (a) : (b))
#endif
#include "getifaddrs.h"
static int
getifaddrs2(struct ifaddrs **ifap,
int af, int siocgifconf, int siocgifflags,
size_t ifreq_sz)
{
int ret;
int fd;
size_t buf_size;
char *buf;
struct ifconf ifconf;
char *p;
size_t sz;
struct sockaddr sa_zero;
struct ifreq *ifr;
struct ifaddrs *start, **end = &start;
buf = NULL;
memset(&sa_zero, 0, sizeof(sa_zero));
fd = socket(af, SOCK_DGRAM, 0);
if (fd < 0)
return -1;
buf_size = 8192;
for (;;) {
buf = calloc(1, buf_size);
if (buf == NULL) {
ret = ENOMEM;
goto error_out;
}
ifconf.ifc_len = buf_size;
ifconf.ifc_buf = buf;
/*
* Solaris returns EINVAL when the buffer is too small.
*/
if (ioctl(fd, siocgifconf, &ifconf) < 0 && errno != EINVAL) {
ret = errno;
goto error_out;
}
/*
* Can the difference between a full and a overfull buf
* be determined?
*/
if (ifconf.ifc_len < (int)buf_size)
break;
free(buf);
buf_size *= 2;
}
for (p = ifconf.ifc_buf; p < ifconf.ifc_buf + ifconf.ifc_len; p += sz) {
struct ifreq ifreq;
struct sockaddr *sa;
size_t salen;
ifr = (struct ifreq *)p;
sa = &ifr->ifr_addr;
sz = ifreq_sz;
salen = sizeof(struct sockaddr);
#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
salen = sa->sa_len;
sz = max(sz, sizeof(ifr->ifr_name) + sa->sa_len);
#endif
#ifdef SA_LEN
salen = SA_LEN(sa);
sz = max(sz, sizeof(ifr->ifr_name) + SA_LEN(sa));
#endif
memset(&ifreq, 0, sizeof(ifreq));
memcpy(ifreq.ifr_name, ifr->ifr_name, sizeof(ifr->ifr_name));
if (ioctl(fd, siocgifflags, &ifreq) < 0) {
ret = errno;
goto error_out;
}
*end = malloc(sizeof(**end));
(*end)->ifa_next = NULL;
(*end)->ifa_name = strdup(ifr->ifr_name);
(*end)->ifa_flags = ifreq.ifr_flags;
(*end)->ifa_addr = malloc(salen);
memcpy((*end)->ifa_addr, sa, salen);
(*end)->ifa_netmask = NULL;
#if 0
/* fix these when we actually need them */
if (ifreq.ifr_flags & IFF_BROADCAST) {
(*end)->ifa_broadaddr =
malloc(sizeof(ifr->ifr_broadaddr));
memcpy((*end)->ifa_broadaddr, &ifr->ifr_broadaddr,
sizeof(ifr->ifr_broadaddr));
} else if (ifreq.ifr_flags & IFF_POINTOPOINT) {
(*end)->ifa_dstaddr = malloc(sizeof(ifr->ifr_dstaddr));
memcpy((*end)->ifa_dstaddr, &ifr->ifr_dstaddr,
sizeof(ifr->ifr_dstaddr));
} else
(*end)->ifa_dstaddr = NULL;
#else
(*end)->ifa_dstaddr = NULL;
#endif
(*end)->ifa_data = NULL;
end = &(*end)->ifa_next;
}
*ifap = start;
close(fd);
free(buf);
return 0;
error_out:
close(fd);
free(buf);
errno = ret;
return -1;
}
int
getifaddrs(struct ifaddrs **ifap)
{
int ret = -1;
errno = ENXIO;
#if defined(AF_INET6) && defined(SIOCGIF6CONF) && defined(SIOCGIF6FLAGS)
if (ret)
ret = getifaddrs2(ifap, AF_INET6, SIOCGIF6CONF, SIOCGIF6FLAGS,
sizeof(struct in6_ifreq));
#endif
#if defined(HAVE_IPV6) && defined(SIOCGIFCONF)
if (ret)
ret = getifaddrs2(ifap, AF_INET6, SIOCGIFCONF, SIOCGIFFLAGS,
sizeof(struct ifreq));
#endif
#if defined(AF_INET) && defined(SIOCGIFCONF) && defined(SIOCGIFFLAGS)
if (ret)
ret = getifaddrs2(ifap, AF_INET, SIOCGIFCONF, SIOCGIFFLAGS,
sizeof(struct ifreq));
#endif
return ret;
}
void
freeifaddrs(struct ifaddrs *ifp)
{
struct ifaddrs *p, *q;
for (p = ifp; p; ) {
free(p->ifa_name);
if (p->ifa_addr)
free(p->ifa_addr);
if (p->ifa_dstaddr)
free(p->ifa_dstaddr);
if (p->ifa_netmask)
free(p->ifa_netmask);
if (p->ifa_data)
free(p->ifa_data);
q = p;
p = p->ifa_next;
free(q);
}
}
#ifdef TEST
void
print_addr(const char *s, struct sockaddr *sa)
{
int i;
printf(" %s=%d/", s, sa->sa_family);
#ifdef HAVE_STRUCT_SOCKADDR_SA_LEN
for (i = 0;
i < sa->sa_len - ((long)sa->sa_data - (long)&sa->sa_family); i++)
printf("%02x", ((unsigned char *)sa->sa_data)[i]);
#else
for (i = 0; i < sizeof(sa->sa_data); i++)
printf("%02x", ((unsigned char *)sa->sa_data)[i]);
#endif
printf("\n");
}
void
print_ifaddrs(struct ifaddrs *x)
{
struct ifaddrs *p;
for (p = x; p; p = p->ifa_next) {
printf("%s\n", p->ifa_name);
printf(" flags=%x\n", p->ifa_flags);
if (p->ifa_addr)
print_addr("addr", p->ifa_addr);
if (p->ifa_dstaddr)
print_addr("dstaddr", p->ifa_dstaddr);
if (p->ifa_netmask)
print_addr("netmask", p->ifa_netmask);
printf(" %p\n", p->ifa_data);
}
}
int
main()
{
struct ifaddrs *a = NULL, *b;
getifaddrs2(&a, AF_INET, SIOCGIFCONF,
SIOCGIFFLAGS, sizeof(struct ifreq));
print_ifaddrs(a);
printf("---\n");
getifaddrs(&b);
print_ifaddrs(b);
return 0;
}
#endif
#endif

76
dependencies/libwebsockets/lib/getifaddrs.h vendored Normal file
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@ -0,0 +1,76 @@
#if HAVE_GETIFADDRS
#include <sys/types.h>
#include <ifaddrs.h>
#else
#ifdef __cplusplus
extern "C" {
#endif
/*
* Copyright (c) 2000 Kungliga Tekniska H<EFBFBD>gskolan
* (Royal Institute of Technology, Stockholm, Sweden).
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* 3. Neither the name of the Institute nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/* $KTH: ifaddrs.hin,v 1.3 2000/12/11 00:01:13 assar Exp $ */
#ifndef ifaddrs_h_7467027A95AD4B5C8DDD40FE7D973791
#define ifaddrs_h_7467027A95AD4B5C8DDD40FE7D973791
/*
* the interface is defined in terms of the fields below, and this is
* sometimes #define'd, so there seems to be no simple way of solving
* this and this seemed the best. */
#undef ifa_dstaddr
struct ifaddrs {
struct ifaddrs *ifa_next;
char *ifa_name;
unsigned int ifa_flags;
struct sockaddr *ifa_addr;
struct sockaddr *ifa_netmask;
struct sockaddr *ifa_dstaddr;
void *ifa_data;
};
#ifndef ifa_broadaddr
#define ifa_broadaddr ifa_dstaddr
#endif
int getifaddrs(struct ifaddrs **);
void freeifaddrs(struct ifaddrs *);
#endif /* __ifaddrs_h__ */
#ifdef __cplusplus
}
#endif
#endif

171
dependencies/libwebsockets/lib/handshake.c vendored Normal file
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@ -0,0 +1,171 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2013 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
/*
* -04 of the protocol (actually the 80th version) has a radically different
* handshake. The 04 spec gives the following idea
*
* The handshake from the client looks as follows:
*
* GET /chat HTTP/1.1
* Host: server.example.com
* Upgrade: websocket
* Connection: Upgrade
* Sec-WebSocket-Key: dGhlIHNhbXBsZSBub25jZQ==
* Sec-WebSocket-Origin: http://example.com
* Sec-WebSocket-Protocol: chat, superchat
* Sec-WebSocket-Version: 4
*
* The handshake from the server looks as follows:
*
* HTTP/1.1 101 Switching Protocols
* Upgrade: websocket
* Connection: Upgrade
* Sec-WebSocket-Accept: me89jWimTRKTWwrS3aRrL53YZSo=
* Sec-WebSocket-Nonce: AQIDBAUGBwgJCgsMDQ4PEC==
* Sec-WebSocket-Protocol: chat
*/
/*
* We have to take care about parsing because the headers may be split
* into multiple fragments. They may contain unknown headers with arbitrary
* argument lengths. So, we parse using a single-character at a time state
* machine that is completely independent of packet size.
*/
LWS_VISIBLE int
libwebsocket_read(struct libwebsocket_context *context,
struct libwebsocket *wsi, unsigned char *buf, size_t len)
{
size_t n;
switch (wsi->state) {
case WSI_STATE_HTTP_BODY:
http_postbody:
while (len--) {
if (wsi->u.http.content_length_seen >= wsi->u.http.content_length)
break;
wsi->u.http.post_buffer[wsi->u.http.body_index++] = *buf++;
wsi->u.http.content_length_seen++;
n = wsi->protocol->rx_buffer_size;
if (!n)
n = LWS_MAX_SOCKET_IO_BUF;
if (wsi->u.http.body_index != n &&
wsi->u.http.content_length_seen != wsi->u.http.content_length)
continue;
if (wsi->protocol->callback) {
n = wsi->protocol->callback(
wsi->protocol->owning_server, wsi,
LWS_CALLBACK_HTTP_BODY,
wsi->user_space, wsi->u.http.post_buffer,
wsi->u.http.body_index);
wsi->u.http.body_index = 0;
if (n)
goto bail;
}
if (wsi->u.http.content_length_seen == wsi->u.http.content_length) {
/* he sent the content in time */
libwebsocket_set_timeout(wsi, NO_PENDING_TIMEOUT, 0);
n = wsi->protocol->callback(
wsi->protocol->owning_server, wsi,
LWS_CALLBACK_HTTP_BODY_COMPLETION,
wsi->user_space, NULL, 0);
wsi->u.http.body_index = 0;
if (n)
goto bail;
}
}
/*
* we need to spill here so everything is seen in the case
* there is no content-length
*/
if (wsi->u.http.body_index && wsi->protocol->callback) {
n = wsi->protocol->callback(
wsi->protocol->owning_server, wsi,
LWS_CALLBACK_HTTP_BODY,
wsi->user_space, wsi->u.http.post_buffer,
wsi->u.http.body_index);
wsi->u.http.body_index = 0;
if (n)
goto bail;
}
break;
case WSI_STATE_HTTP_ISSUING_FILE:
case WSI_STATE_HTTP:
wsi->state = WSI_STATE_HTTP_HEADERS;
wsi->u.hdr.parser_state = WSI_TOKEN_NAME_PART;
wsi->u.hdr.lextable_pos = 0;
/* fallthru */
case WSI_STATE_HTTP_HEADERS:
lwsl_parser("issuing %d bytes to parser\n", (int)len);
if (lws_handshake_client(wsi, &buf, len))
goto bail;
switch (lws_handshake_server(context, wsi, &buf, len)) {
case 1:
goto bail;
case 2:
goto http_postbody;
}
break;
case WSI_STATE_AWAITING_CLOSE_ACK:
case WSI_STATE_ESTABLISHED:
if (lws_handshake_client(wsi, &buf, len))
goto bail;
switch (wsi->mode) {
case LWS_CONNMODE_WS_SERVING:
if (libwebsocket_interpret_incoming_packet(wsi, buf, len) < 0) {
lwsl_info("interpret_incoming_packet has bailed\n");
goto bail;
}
break;
}
break;
default:
lwsl_err("libwebsocket_read: Unhandled state\n");
break;
}
return 0;
bail:
lwsl_debug("closing connection at libwebsocket_read bail:\n");
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
return -1;
}

338
dependencies/libwebsockets/lib/lextable.h vendored Normal file
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@ -0,0 +1,338 @@
/* pos 0000: 0 */ 0x67 /* 'g' */, 0x25, 0x00 /* (to 0x0025 state 1) */,
0x70 /* 'p' */, 0x27, 0x00 /* (to 0x002A state 5) */,
0x6F /* 'o' */, 0x30, 0x00 /* (to 0x0036 state 10) */,
0x68 /* 'h' */, 0x3C, 0x00 /* (to 0x0045 state 18) */,
0x63 /* 'c' */, 0x45, 0x00 /* (to 0x0051 state 23) */,
0x73 /* 's' */, 0x60, 0x00 /* (to 0x006F state 34) */,
0x75 /* 'u' */, 0x9F, 0x00 /* (to 0x00B1 state 64) */,
0x0D /* '.' */, 0xB3, 0x00 /* (to 0x00C8 state 84) */,
0x61 /* 'a' */, 0xEA, 0x00 /* (to 0x0102 state 134) */,
0x69 /* 'i' */, 0x1D, 0x01 /* (to 0x0138 state 168) */,
0x64 /* 'd' */, 0x9C, 0x01 /* (to 0x01BA state 270) */,
0x72 /* 'r' */, 0x9F, 0x01 /* (to 0x01C0 state 275) */,
0x08, /* fail */
/* pos 0025: 1 */ 0xE5 /* 'e' -> */,
/* pos 0026: 2 */ 0xF4 /* 't' -> */,
/* pos 0027: 3 */ 0xA0 /* ' ' -> */,
/* pos 0028: 4 */ 0x00, 0x00 /* - terminal marker 0 - */,
/* pos 002a: 5 */ 0x6F /* 'o' */, 0x07, 0x00 /* (to 0x0031 state 6) */,
0x72 /* 'r' */, 0x4B, 0x01 /* (to 0x0178 state 216) */,
0x08, /* fail */
/* pos 0031: 6 */ 0xF3 /* 's' -> */,
/* pos 0032: 7 */ 0xF4 /* 't' -> */,
/* pos 0033: 8 */ 0xA0 /* ' ' -> */,
/* pos 0034: 9 */ 0x00, 0x01 /* - terminal marker 1 - */,
/* pos 0036: 10 */ 0x70 /* 'p' */, 0x07, 0x00 /* (to 0x003D state 11) */,
0x72 /* 'r' */, 0x81, 0x00 /* (to 0x00BA state 72) */,
0x08, /* fail */
/* pos 003d: 11 */ 0xF4 /* 't' -> */,
/* pos 003e: 12 */ 0xE9 /* 'i' -> */,
/* pos 003f: 13 */ 0xEF /* 'o' -> */,
/* pos 0040: 14 */ 0xEE /* 'n' -> */,
/* pos 0041: 15 */ 0xF3 /* 's' -> */,
/* pos 0042: 16 */ 0xA0 /* ' ' -> */,
/* pos 0043: 17 */ 0x00, 0x02 /* - terminal marker 2 - */,
/* pos 0045: 18 */ 0x6F /* 'o' */, 0x07, 0x00 /* (to 0x004C state 19) */,
0x74 /* 't' */, 0xB1, 0x00 /* (to 0x00F9 state 126) */,
0x08, /* fail */
/* pos 004c: 19 */ 0xF3 /* 's' -> */,
/* pos 004d: 20 */ 0xF4 /* 't' -> */,
/* pos 004e: 21 */ 0xBA /* ':' -> */,
/* pos 004f: 22 */ 0x00, 0x03 /* - terminal marker 3 - */,
/* pos 0051: 23 */ 0x6F /* 'o' */, 0x07, 0x00 /* (to 0x0058 state 24) */,
0x61 /* 'a' */, 0x2B, 0x01 /* (to 0x017F state 222) */,
0x08, /* fail */
/* pos 0058: 24 */ 0x6E /* 'n' */, 0x07, 0x00 /* (to 0x005F state 25) */,
0x6F /* 'o' */, 0x40, 0x01 /* (to 0x019B state 248) */,
0x08, /* fail */
/* pos 005f: 25 */ 0x6E /* 'n' */, 0x07, 0x00 /* (to 0x0066 state 26) */,
0x74 /* 't' */, 0x3F, 0x01 /* (to 0x01A1 state 253) */,
0x08, /* fail */
/* pos 0066: 26 */ 0xE5 /* 'e' -> */,
/* pos 0067: 27 */ 0xE3 /* 'c' -> */,
/* pos 0068: 28 */ 0xF4 /* 't' -> */,
/* pos 0069: 29 */ 0xE9 /* 'i' -> */,
/* pos 006a: 30 */ 0xEF /* 'o' -> */,
/* pos 006b: 31 */ 0xEE /* 'n' -> */,
/* pos 006c: 32 */ 0xBA /* ':' -> */,
/* pos 006d: 33 */ 0x00, 0x04 /* - terminal marker 4 - */,
/* pos 006f: 34 */ 0xE5 /* 'e' -> */,
/* pos 0070: 35 */ 0xE3 /* 'c' -> */,
/* pos 0071: 36 */ 0xAD /* '-' -> */,
/* pos 0072: 37 */ 0xF7 /* 'w' -> */,
/* pos 0073: 38 */ 0xE5 /* 'e' -> */,
/* pos 0074: 39 */ 0xE2 /* 'b' -> */,
/* pos 0075: 40 */ 0xF3 /* 's' -> */,
/* pos 0076: 41 */ 0xEF /* 'o' -> */,
/* pos 0077: 42 */ 0xE3 /* 'c' -> */,
/* pos 0078: 43 */ 0xEB /* 'k' -> */,
/* pos 0079: 44 */ 0xE5 /* 'e' -> */,
/* pos 007a: 45 */ 0xF4 /* 't' -> */,
/* pos 007b: 46 */ 0xAD /* '-' -> */,
/* pos 007c: 47 */ 0x6B /* 'k' */, 0x19, 0x00 /* (to 0x0095 state 48) */,
0x70 /* 'p' */, 0x28, 0x00 /* (to 0x00A7 state 55) */,
0x64 /* 'd' */, 0x3F, 0x00 /* (to 0x00C1 state 78) */,
0x76 /* 'v' */, 0x48, 0x00 /* (to 0x00CD state 87) */,
0x6F /* 'o' */, 0x4E, 0x00 /* (to 0x00D6 state 95) */,
0x65 /* 'e' */, 0x53, 0x00 /* (to 0x00DE state 102) */,
0x61 /* 'a' */, 0x5C, 0x00 /* (to 0x00EA state 113) */,
0x6E /* 'n' */, 0x61, 0x00 /* (to 0x00F2 state 120) */,
0x08, /* fail */
/* pos 0095: 48 */ 0xE5 /* 'e' -> */,
/* pos 0096: 49 */ 0xF9 /* 'y' -> */,
/* pos 0097: 50 */ 0x31 /* '1' */, 0x0A, 0x00 /* (to 0x00A1 state 51) */,
0x32 /* '2' */, 0x0A, 0x00 /* (to 0x00A4 state 53) */,
0x3A /* ':' */, 0x2E, 0x00 /* (to 0x00CB state 86) */,
0x08, /* fail */
/* pos 00a1: 51 */ 0xBA /* ':' -> */,
/* pos 00a2: 52 */ 0x00, 0x05 /* - terminal marker 5 - */,
/* pos 00a4: 53 */ 0xBA /* ':' -> */,
/* pos 00a5: 54 */ 0x00, 0x06 /* - terminal marker 6 - */,
/* pos 00a7: 55 */ 0xF2 /* 'r' -> */,
/* pos 00a8: 56 */ 0xEF /* 'o' -> */,
/* pos 00a9: 57 */ 0xF4 /* 't' -> */,
/* pos 00aa: 58 */ 0xEF /* 'o' -> */,
/* pos 00ab: 59 */ 0xE3 /* 'c' -> */,
/* pos 00ac: 60 */ 0xEF /* 'o' -> */,
/* pos 00ad: 61 */ 0xEC /* 'l' -> */,
/* pos 00ae: 62 */ 0xBA /* ':' -> */,
/* pos 00af: 63 */ 0x00, 0x07 /* - terminal marker 7 - */,
/* pos 00b1: 64 */ 0xF0 /* 'p' -> */,
/* pos 00b2: 65 */ 0xE7 /* 'g' -> */,
/* pos 00b3: 66 */ 0xF2 /* 'r' -> */,
/* pos 00b4: 67 */ 0xE1 /* 'a' -> */,
/* pos 00b5: 68 */ 0xE4 /* 'd' -> */,
/* pos 00b6: 69 */ 0xE5 /* 'e' -> */,
/* pos 00b7: 70 */ 0xBA /* ':' -> */,
/* pos 00b8: 71 */ 0x00, 0x08 /* - terminal marker 8 - */,
/* pos 00ba: 72 */ 0xE9 /* 'i' -> */,
/* pos 00bb: 73 */ 0xE7 /* 'g' -> */,
/* pos 00bc: 74 */ 0xE9 /* 'i' -> */,
/* pos 00bd: 75 */ 0xEE /* 'n' -> */,
/* pos 00be: 76 */ 0xBA /* ':' -> */,
/* pos 00bf: 77 */ 0x00, 0x09 /* - terminal marker 9 - */,
/* pos 00c1: 78 */ 0xF2 /* 'r' -> */,
/* pos 00c2: 79 */ 0xE1 /* 'a' -> */,
/* pos 00c3: 80 */ 0xE6 /* 'f' -> */,
/* pos 00c4: 81 */ 0xF4 /* 't' -> */,
/* pos 00c5: 82 */ 0xBA /* ':' -> */,
/* pos 00c6: 83 */ 0x00, 0x0A /* - terminal marker 10 - */,
/* pos 00c8: 84 */ 0x8A /* '.' -> */,
/* pos 00c9: 85 */ 0x00, 0x0B /* - terminal marker 11 - */,
/* pos 00cb: 86 */ 0x00, 0x0C /* - terminal marker 12 - */,
/* pos 00cd: 87 */ 0xE5 /* 'e' -> */,
/* pos 00ce: 88 */ 0xF2 /* 'r' -> */,
/* pos 00cf: 89 */ 0xF3 /* 's' -> */,
/* pos 00d0: 90 */ 0xE9 /* 'i' -> */,
/* pos 00d1: 91 */ 0xEF /* 'o' -> */,
/* pos 00d2: 92 */ 0xEE /* 'n' -> */,
/* pos 00d3: 93 */ 0xBA /* ':' -> */,
/* pos 00d4: 94 */ 0x00, 0x0D /* - terminal marker 13 - */,
/* pos 00d6: 95 */ 0xF2 /* 'r' -> */,
/* pos 00d7: 96 */ 0xE9 /* 'i' -> */,
/* pos 00d8: 97 */ 0xE7 /* 'g' -> */,
/* pos 00d9: 98 */ 0xE9 /* 'i' -> */,
/* pos 00da: 99 */ 0xEE /* 'n' -> */,
/* pos 00db: 100 */ 0xBA /* ':' -> */,
/* pos 00dc: 101 */ 0x00, 0x0E /* - terminal marker 14 - */,
/* pos 00de: 102 */ 0xF8 /* 'x' -> */,
/* pos 00df: 103 */ 0xF4 /* 't' -> */,
/* pos 00e0: 104 */ 0xE5 /* 'e' -> */,
/* pos 00e1: 105 */ 0xEE /* 'n' -> */,
/* pos 00e2: 106 */ 0xF3 /* 's' -> */,
/* pos 00e3: 107 */ 0xE9 /* 'i' -> */,
/* pos 00e4: 108 */ 0xEF /* 'o' -> */,
/* pos 00e5: 109 */ 0xEE /* 'n' -> */,
/* pos 00e6: 110 */ 0xF3 /* 's' -> */,
/* pos 00e7: 111 */ 0xBA /* ':' -> */,
/* pos 00e8: 112 */ 0x00, 0x0F /* - terminal marker 15 - */,
/* pos 00ea: 113 */ 0xE3 /* 'c' -> */,
/* pos 00eb: 114 */ 0xE3 /* 'c' -> */,
/* pos 00ec: 115 */ 0xE5 /* 'e' -> */,
/* pos 00ed: 116 */ 0xF0 /* 'p' -> */,
/* pos 00ee: 117 */ 0xF4 /* 't' -> */,
/* pos 00ef: 118 */ 0xBA /* ':' -> */,
/* pos 00f0: 119 */ 0x00, 0x10 /* - terminal marker 16 - */,
/* pos 00f2: 120 */ 0xEF /* 'o' -> */,
/* pos 00f3: 121 */ 0xEE /* 'n' -> */,
/* pos 00f4: 122 */ 0xE3 /* 'c' -> */,
/* pos 00f5: 123 */ 0xE5 /* 'e' -> */,
/* pos 00f6: 124 */ 0xBA /* ':' -> */,
/* pos 00f7: 125 */ 0x00, 0x11 /* - terminal marker 17 - */,
/* pos 00f9: 126 */ 0xF4 /* 't' -> */,
/* pos 00fa: 127 */ 0xF0 /* 'p' -> */,
/* pos 00fb: 128 */ 0xAF /* '/' -> */,
/* pos 00fc: 129 */ 0xB1 /* '1' -> */,
/* pos 00fd: 130 */ 0xAE /* '.' -> */,
/* pos 00fe: 131 */ 0xB1 /* '1' -> */,
/* pos 00ff: 132 */ 0xA0 /* ' ' -> */,
/* pos 0100: 133 */ 0x00, 0x12 /* - terminal marker 18 - */,
/* pos 0102: 134 */ 0x63 /* 'c' */, 0x07, 0x00 /* (to 0x0109 state 135) */,
0x75 /* 'u' */, 0x88, 0x00 /* (to 0x018D state 235) */,
0x08, /* fail */
/* pos 0109: 135 */ 0xE3 /* 'c' -> */,
/* pos 010a: 136 */ 0xE5 /* 'e' -> */,
/* pos 010b: 137 */ 0x70 /* 'p' */, 0x07, 0x00 /* (to 0x0112 state 138) */,
0x73 /* 's' */, 0x0E, 0x00 /* (to 0x011C state 141) */,
0x08, /* fail */
/* pos 0112: 138 */ 0xF4 /* 't' -> */,
/* pos 0113: 139 */ 0x3A /* ':' */, 0x07, 0x00 /* (to 0x011A state 140) */,
0x2D /* '-' */, 0x47, 0x00 /* (to 0x015D state 197) */,
0x08, /* fail */
/* pos 011a: 140 */ 0x00, 0x13 /* - terminal marker 19 - */,
/* pos 011c: 141 */ 0xF3 /* 's' -> */,
/* pos 011d: 142 */ 0xAD /* '-' -> */,
/* pos 011e: 143 */ 0xE3 /* 'c' -> */,
/* pos 011f: 144 */ 0xEF /* 'o' -> */,
/* pos 0120: 145 */ 0xEE /* 'n' -> */,
/* pos 0121: 146 */ 0xF4 /* 't' -> */,
/* pos 0122: 147 */ 0xF2 /* 'r' -> */,
/* pos 0123: 148 */ 0xEF /* 'o' -> */,
/* pos 0124: 149 */ 0xEC /* 'l' -> */,
/* pos 0125: 150 */ 0xAD /* '-' -> */,
/* pos 0126: 151 */ 0xF2 /* 'r' -> */,
/* pos 0127: 152 */ 0xE5 /* 'e' -> */,
/* pos 0128: 153 */ 0xF1 /* 'q' -> */,
/* pos 0129: 154 */ 0xF5 /* 'u' -> */,
/* pos 012a: 155 */ 0xE5 /* 'e' -> */,
/* pos 012b: 156 */ 0xF3 /* 's' -> */,
/* pos 012c: 157 */ 0xF4 /* 't' -> */,
/* pos 012d: 158 */ 0xAD /* '-' -> */,
/* pos 012e: 159 */ 0xE8 /* 'h' -> */,
/* pos 012f: 160 */ 0xE5 /* 'e' -> */,
/* pos 0130: 161 */ 0xE1 /* 'a' -> */,
/* pos 0131: 162 */ 0xE4 /* 'd' -> */,
/* pos 0132: 163 */ 0xE5 /* 'e' -> */,
/* pos 0133: 164 */ 0xF2 /* 'r' -> */,
/* pos 0134: 165 */ 0xF3 /* 's' -> */,
/* pos 0135: 166 */ 0xBA /* ':' -> */,
/* pos 0136: 167 */ 0x00, 0x14 /* - terminal marker 20 - */,
/* pos 0138: 168 */ 0xE6 /* 'f' -> */,
/* pos 0139: 169 */ 0xAD /* '-' -> */,
/* pos 013a: 170 */ 0x6D /* 'm' */, 0x07, 0x00 /* (to 0x0141 state 171) */,
0x6E /* 'n' */, 0x14, 0x00 /* (to 0x0151 state 186) */,
0x08, /* fail */
/* pos 0141: 171 */ 0xEF /* 'o' -> */,
/* pos 0142: 172 */ 0xE4 /* 'd' -> */,
/* pos 0143: 173 */ 0xE9 /* 'i' -> */,
/* pos 0144: 174 */ 0xE6 /* 'f' -> */,
/* pos 0145: 175 */ 0xE9 /* 'i' -> */,
/* pos 0146: 176 */ 0xE5 /* 'e' -> */,
/* pos 0147: 177 */ 0xE4 /* 'd' -> */,
/* pos 0148: 178 */ 0xAD /* '-' -> */,
/* pos 0149: 179 */ 0xF3 /* 's' -> */,
/* pos 014a: 180 */ 0xE9 /* 'i' -> */,
/* pos 014b: 181 */ 0xEE /* 'n' -> */,
/* pos 014c: 182 */ 0xE3 /* 'c' -> */,
/* pos 014d: 183 */ 0xE5 /* 'e' -> */,
/* pos 014e: 184 */ 0xBA /* ':' -> */,
/* pos 014f: 185 */ 0x00, 0x15 /* - terminal marker 21 - */,
/* pos 0151: 186 */ 0xEF /* 'o' -> */,
/* pos 0152: 187 */ 0xEE /* 'n' -> */,
/* pos 0153: 188 */ 0xE5 /* 'e' -> */,
/* pos 0154: 189 */ 0xAD /* '-' -> */,
/* pos 0155: 190 */ 0xED /* 'm' -> */,
/* pos 0156: 191 */ 0xE1 /* 'a' -> */,
/* pos 0157: 192 */ 0xF4 /* 't' -> */,
/* pos 0158: 193 */ 0xE3 /* 'c' -> */,
/* pos 0159: 194 */ 0xE8 /* 'h' -> */,
/* pos 015a: 195 */ 0xBA /* ':' -> */,
/* pos 015b: 196 */ 0x00, 0x16 /* - terminal marker 22 - */,
/* pos 015d: 197 */ 0x65 /* 'e' */, 0x07, 0x00 /* (to 0x0164 state 198) */,
0x6C /* 'l' */, 0x0E, 0x00 /* (to 0x016E state 207) */,
0x08, /* fail */
/* pos 0164: 198 */ 0xEE /* 'n' -> */,
/* pos 0165: 199 */ 0xE3 /* 'c' -> */,
/* pos 0166: 200 */ 0xEF /* 'o' -> */,
/* pos 0167: 201 */ 0xE4 /* 'd' -> */,
/* pos 0168: 202 */ 0xE9 /* 'i' -> */,
/* pos 0169: 203 */ 0xEE /* 'n' -> */,
/* pos 016a: 204 */ 0xE7 /* 'g' -> */,
/* pos 016b: 205 */ 0xBA /* ':' -> */,
/* pos 016c: 206 */ 0x00, 0x17 /* - terminal marker 23 - */,
/* pos 016e: 207 */ 0xE1 /* 'a' -> */,
/* pos 016f: 208 */ 0xEE /* 'n' -> */,
/* pos 0170: 209 */ 0xE7 /* 'g' -> */,
/* pos 0171: 210 */ 0xF5 /* 'u' -> */,
/* pos 0172: 211 */ 0xE1 /* 'a' -> */,
/* pos 0173: 212 */ 0xE7 /* 'g' -> */,
/* pos 0174: 213 */ 0xE5 /* 'e' -> */,
/* pos 0175: 214 */ 0xBA /* ':' -> */,
/* pos 0176: 215 */ 0x00, 0x18 /* - terminal marker 24 - */,
/* pos 0178: 216 */ 0xE1 /* 'a' -> */,
/* pos 0179: 217 */ 0xE7 /* 'g' -> */,
/* pos 017a: 218 */ 0xED /* 'm' -> */,
/* pos 017b: 219 */ 0xE1 /* 'a' -> */,
/* pos 017c: 220 */ 0xBA /* ':' -> */,
/* pos 017d: 221 */ 0x00, 0x19 /* - terminal marker 25 - */,
/* pos 017f: 222 */ 0xE3 /* 'c' -> */,
/* pos 0180: 223 */ 0xE8 /* 'h' -> */,
/* pos 0181: 224 */ 0xE5 /* 'e' -> */,
/* pos 0182: 225 */ 0xAD /* '-' -> */,
/* pos 0183: 226 */ 0xE3 /* 'c' -> */,
/* pos 0184: 227 */ 0xEF /* 'o' -> */,
/* pos 0185: 228 */ 0xEE /* 'n' -> */,
/* pos 0186: 229 */ 0xF4 /* 't' -> */,
/* pos 0187: 230 */ 0xF2 /* 'r' -> */,
/* pos 0188: 231 */ 0xEF /* 'o' -> */,
/* pos 0189: 232 */ 0xEC /* 'l' -> */,
/* pos 018a: 233 */ 0xBA /* ':' -> */,
/* pos 018b: 234 */ 0x00, 0x1A /* - terminal marker 26 - */,
/* pos 018d: 235 */ 0xF4 /* 't' -> */,
/* pos 018e: 236 */ 0xE8 /* 'h' -> */,
/* pos 018f: 237 */ 0xEF /* 'o' -> */,
/* pos 0190: 238 */ 0xF2 /* 'r' -> */,
/* pos 0191: 239 */ 0xE9 /* 'i' -> */,
/* pos 0192: 240 */ 0xFA /* 'z' -> */,
/* pos 0193: 241 */ 0xE1 /* 'a' -> */,
/* pos 0194: 242 */ 0xF4 /* 't' -> */,
/* pos 0195: 243 */ 0xE9 /* 'i' -> */,
/* pos 0196: 244 */ 0xEF /* 'o' -> */,
/* pos 0197: 245 */ 0xEE /* 'n' -> */,
/* pos 0198: 246 */ 0xBA /* ':' -> */,
/* pos 0199: 247 */ 0x00, 0x1B /* - terminal marker 27 - */,
/* pos 019b: 248 */ 0xEB /* 'k' -> */,
/* pos 019c: 249 */ 0xE9 /* 'i' -> */,
/* pos 019d: 250 */ 0xE5 /* 'e' -> */,
/* pos 019e: 251 */ 0xBA /* ':' -> */,
/* pos 019f: 252 */ 0x00, 0x1C /* - terminal marker 28 - */,
/* pos 01a1: 253 */ 0xE5 /* 'e' -> */,
/* pos 01a2: 254 */ 0xEE /* 'n' -> */,
/* pos 01a3: 255 */ 0xF4 /* 't' -> */,
/* pos 01a4: 256 */ 0xAD /* '-' -> */,
/* pos 01a5: 257 */ 0x6C /* 'l' */, 0x07, 0x00 /* (to 0x01AC state 258) */,
0x74 /* 't' */, 0x0C, 0x00 /* (to 0x01B4 state 265) */,
0x08, /* fail */
/* pos 01ac: 258 */ 0xE5 /* 'e' -> */,
/* pos 01ad: 259 */ 0xEE /* 'n' -> */,
/* pos 01ae: 260 */ 0xE7 /* 'g' -> */,
/* pos 01af: 261 */ 0xF4 /* 't' -> */,
/* pos 01b0: 262 */ 0xE8 /* 'h' -> */,
/* pos 01b1: 263 */ 0xBA /* ':' -> */,
/* pos 01b2: 264 */ 0x00, 0x1D /* - terminal marker 29 - */,
/* pos 01b4: 265 */ 0xF9 /* 'y' -> */,
/* pos 01b5: 266 */ 0xF0 /* 'p' -> */,
/* pos 01b6: 267 */ 0xE5 /* 'e' -> */,
/* pos 01b7: 268 */ 0xBA /* ':' -> */,
/* pos 01b8: 269 */ 0x00, 0x1E /* - terminal marker 30 - */,
/* pos 01ba: 270 */ 0xE1 /* 'a' -> */,
/* pos 01bb: 271 */ 0xF4 /* 't' -> */,
/* pos 01bc: 272 */ 0xE5 /* 'e' -> */,
/* pos 01bd: 273 */ 0xBA /* ':' -> */,
/* pos 01be: 274 */ 0x00, 0x1F /* - terminal marker 31 - */,
/* pos 01c0: 275 */ 0x61 /* 'a' */, 0x07, 0x00 /* (to 0x01C7 state 276) */,
0x65 /* 'e' */, 0x0A, 0x00 /* (to 0x01CD state 281) */,
0x08, /* fail */
/* pos 01c7: 276 */ 0xEE /* 'n' -> */,
/* pos 01c8: 277 */ 0xE7 /* 'g' -> */,
/* pos 01c9: 278 */ 0xE5 /* 'e' -> */,
/* pos 01ca: 279 */ 0xBA /* ':' -> */,
/* pos 01cb: 280 */ 0x00, 0x20 /* - terminal marker 32 - */,
/* pos 01cd: 281 */ 0xE6 /* 'f' -> */,
/* pos 01ce: 282 */ 0xE5 /* 'e' -> */,
/* pos 01cf: 283 */ 0xF2 /* 'r' -> */,
/* pos 01d0: 284 */ 0xE5 /* 'e' -> */,
/* pos 01d1: 285 */ 0xF2 /* 'r' -> */,
/* pos 01d2: 286 */ 0xBA /* ':' -> */,
/* pos 01d3: 287 */ 0x00, 0x21 /* - terminal marker 33 - */,
/* total size 469 bytes */

175
dependencies/libwebsockets/lib/libev.c vendored Normal file
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@ -0,0 +1,175 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2014 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
void lws_feature_status_libev(struct lws_context_creation_info *info)
{
if (info->options & LWS_SERVER_OPTION_LIBEV)
lwsl_notice("libev support compiled in and enabled\n");
else
lwsl_notice("libev support compiled in but disabled\n");
}
static void
libwebsocket_accept_cb(struct ev_loop *loop, struct ev_io *watcher, int revents)
{
struct libwebsocket_pollfd eventfd;
struct lws_io_watcher *lws_io = (struct lws_io_watcher *)watcher;
struct libwebsocket_context *context = lws_io->context;
if (revents & EV_ERROR)
return;
eventfd.fd = watcher->fd;
eventfd.revents = EV_NONE;
if (revents & EV_READ)
eventfd.revents |= LWS_POLLIN;
if (revents & EV_WRITE)
eventfd.revents |= LWS_POLLOUT;
libwebsocket_service_fd(context, &eventfd);
}
LWS_VISIBLE void
libwebsocket_sigint_cb(struct ev_loop *loop,
struct ev_signal *watcher, int revents)
{
ev_break(loop, EVBREAK_ALL);
}
LWS_VISIBLE int
libwebsocket_initloop(
struct libwebsocket_context *context,
struct ev_loop *loop)
{
int status = 0;
int backend;
const char * backend_name;
struct ev_io *w_accept = (ev_io *)&context->w_accept;
struct ev_signal *w_sigint = (ev_signal *)&context->w_sigint;
if (!loop)
loop = ev_default_loop(0);
context->io_loop = loop;
/*
* Initialize the accept w_accept with the listening socket
* and register a callback for read operations:
*/
ev_io_init(w_accept, libwebsocket_accept_cb,
context->listen_service_fd, EV_READ);
ev_io_start(context->io_loop,w_accept);
ev_signal_init(w_sigint, libwebsocket_sigint_cb, SIGINT);
ev_signal_start(context->io_loop,w_sigint);
backend = ev_backend(loop);
switch (backend) {
case EVBACKEND_SELECT:
backend_name = "select";
break;
case EVBACKEND_POLL:
backend_name = "poll";
break;
case EVBACKEND_EPOLL:
backend_name = "epoll";
break;
case EVBACKEND_KQUEUE:
backend_name = "kqueue";
break;
case EVBACKEND_DEVPOLL:
backend_name = "/dev/poll";
break;
case EVBACKEND_PORT:
backend_name = "Solaris 10 \"port\"";
break;
default:
backend_name = "Unknown libev backend";
break;
};
lwsl_notice(" libev backend: %s\n", backend_name);
return status;
}
LWS_VISIBLE void
lws_libev_accept(struct libwebsocket_context *context,
struct libwebsocket *new_wsi, int accept_fd)
{
struct ev_io *r = &new_wsi->w_read.watcher;
struct ev_io *w = &new_wsi->w_write.watcher;
if (!LWS_LIBEV_ENABLED(context))
return;
new_wsi->w_read.context = context;
new_wsi->w_write.context = context;
ev_io_init(r, libwebsocket_accept_cb, accept_fd, EV_READ);
ev_io_init(w, libwebsocket_accept_cb, accept_fd, EV_WRITE);
}
LWS_VISIBLE void
lws_libev_io(struct libwebsocket_context *context,
struct libwebsocket *wsi, int flags)
{
if (!LWS_LIBEV_ENABLED(context))
return;
if (!context->io_loop)
return;
assert((flags & (LWS_EV_START | LWS_EV_STOP)) &&
(flags & (LWS_EV_READ | LWS_EV_WRITE)));
if (flags & LWS_EV_START) {
if (flags & LWS_EV_WRITE)
ev_io_start(context->io_loop, &wsi->w_write.watcher);
if (flags & LWS_EV_READ)
ev_io_start(context->io_loop, &wsi->w_read.watcher);
} else {
if (flags & LWS_EV_WRITE)
ev_io_stop(context->io_loop, &wsi->w_write.watcher);
if (flags & LWS_EV_READ)
ev_io_stop(context->io_loop, &wsi->w_read.watcher);
}
}
LWS_VISIBLE int
lws_libev_init_fd_table(struct libwebsocket_context *context)
{
if (!LWS_LIBEV_ENABLED(context))
return 0;
context->w_accept.context = context;
context->w_sigint.context = context;
return 1;
}
LWS_VISIBLE void
lws_libev_run(struct libwebsocket_context *context)
{
if (context->io_loop && LWS_LIBEV_ENABLED(context))
ev_run(context->io_loop, 0);
}

761
dependencies/libwebsockets/lib/libwebsockets.c vendored Normal file
View File

@ -0,0 +1,761 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2014 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
int log_level = LLL_ERR | LLL_WARN | LLL_NOTICE;
static void (*lwsl_emit)(int level, const char *line) = lwsl_emit_stderr;
static const char * const log_level_names[] = {
"ERR",
"WARN",
"NOTICE",
"INFO",
"DEBUG",
"PARSER",
"HEADER",
"EXTENSION",
"CLIENT",
"LATENCY",
};
void
libwebsocket_close_and_free_session(struct libwebsocket_context *context,
struct libwebsocket *wsi, enum lws_close_status reason)
{
int n, m, ret;
int old_state;
unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 2 +
LWS_SEND_BUFFER_POST_PADDING];
struct lws_tokens eff_buf;
if (!wsi)
return;
old_state = wsi->state;
switch (old_state) {
case WSI_STATE_DEAD_SOCKET:
return;
/* we tried the polite way... */
case WSI_STATE_AWAITING_CLOSE_ACK:
goto just_kill_connection;
case WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE:
if (wsi->truncated_send_len) {
libwebsocket_callback_on_writable(context, wsi);
return;
}
lwsl_info("wsi %p completed WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE\n", wsi);
goto just_kill_connection;
default:
if (wsi->truncated_send_len) {
lwsl_info("wsi %p entering WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE\n", wsi);
wsi->state = WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE;
return;
}
break;
}
wsi->u.ws.close_reason = reason;
if (wsi->mode == LWS_CONNMODE_WS_CLIENT_WAITING_CONNECT ||
wsi->mode == LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE) {
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_CLIENT_CONNECTION_ERROR, NULL, NULL, 0);
free(wsi->u.hdr.ah);
goto just_kill_connection;
}
if (wsi->mode == LWS_CONNMODE_HTTP_SERVING_ACCEPTED) {
if (wsi->u.http.post_buffer) {
free(wsi->u.http.post_buffer);
wsi->u.http.post_buffer = NULL;
}
if (wsi->u.http.fd != LWS_INVALID_FILE) {
lwsl_debug("closing http file\n");
compatible_file_close(wsi->u.http.fd);
wsi->u.http.fd = LWS_INVALID_FILE;
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_CLOSED_HTTP, wsi->user_space, NULL, 0);
}
}
/*
* are his extensions okay with him closing? Eg he might be a mux
* parent and just his ch1 aspect is closing?
*/
if (lws_ext_callback_for_each_active(wsi,
LWS_EXT_CALLBACK_CHECK_OK_TO_REALLY_CLOSE, NULL, 0) > 0) {
lwsl_ext("extension vetoed close\n");
return;
}
/*
* flush any tx pending from extensions, since we may send close packet
* if there are problems with send, just nuke the connection
*/
do {
ret = 0;
eff_buf.token = NULL;
eff_buf.token_len = 0;
/* show every extension the new incoming data */
m = lws_ext_callback_for_each_active(wsi,
LWS_EXT_CALLBACK_FLUSH_PENDING_TX, &eff_buf, 0);
if (m < 0) {
lwsl_ext("Extension reports fatal error\n");
goto just_kill_connection;
}
if (m)
/*
* at least one extension told us he has more
* to spill, so we will go around again after
*/
ret = 1;
/* assuming they left us something to send, send it */
if (eff_buf.token_len)
if (lws_issue_raw(wsi, (unsigned char *)eff_buf.token,
eff_buf.token_len) != eff_buf.token_len) {
lwsl_debug("close: ext spill failed\n");
goto just_kill_connection;
}
} while (ret);
/*
* signal we are closing, libsocket_write will
* add any necessary version-specific stuff. If the write fails,
* no worries we are closing anyway. If we didn't initiate this
* close, then our state has been changed to
* WSI_STATE_RETURNED_CLOSE_ALREADY and we will skip this.
*
* Likewise if it's a second call to close this connection after we
* sent the close indication to the peer already, we are in state
* WSI_STATE_AWAITING_CLOSE_ACK and will skip doing this a second time.
*/
if (old_state == WSI_STATE_ESTABLISHED &&
reason != LWS_CLOSE_STATUS_NOSTATUS) {
lwsl_debug("sending close indication...\n");
/* make valgrind happy */
memset(buf, 0, sizeof(buf));
n = libwebsocket_write(wsi,
&buf[LWS_SEND_BUFFER_PRE_PADDING + 2],
0, LWS_WRITE_CLOSE);
if (n >= 0) {
/*
* we have sent a nice protocol level indication we
* now wish to close, we should not send anything more
*/
wsi->state = WSI_STATE_AWAITING_CLOSE_ACK;
/*
* ...and we should wait for a reply for a bit
* out of politeness
*/
libwebsocket_set_timeout(wsi,
PENDING_TIMEOUT_CLOSE_ACK, 1);
lwsl_debug("sent close indication, awaiting ack\n");
return;
}
lwsl_info("close: sending close packet failed, hanging up\n");
/* else, the send failed and we should just hang up */
}
just_kill_connection:
lwsl_debug("close: just_kill_connection\n");
/*
* we won't be servicing or receiving anything further from this guy
* delete socket from the internal poll list if still present
*/
remove_wsi_socket_from_fds(context, wsi);
wsi->state = WSI_STATE_DEAD_SOCKET;
if ((old_state == WSI_STATE_ESTABLISHED ||
wsi->mode == LWS_CONNMODE_WS_SERVING ||
wsi->mode == LWS_CONNMODE_WS_CLIENT)) {
if (wsi->u.ws.rx_user_buffer) {
free(wsi->u.ws.rx_user_buffer);
wsi->u.ws.rx_user_buffer = NULL;
}
if (wsi->u.ws.rxflow_buffer) {
free(wsi->u.ws.rxflow_buffer);
wsi->u.ws.rxflow_buffer = NULL;
}
if (wsi->truncated_send_malloc) {
/* not going to be completed... nuke it */
free(wsi->truncated_send_malloc);
wsi->truncated_send_malloc = NULL;
wsi->truncated_send_len = 0;
}
}
/* tell the user it's all over for this guy */
if (wsi->protocol && wsi->protocol->callback &&
((old_state == WSI_STATE_ESTABLISHED) ||
(old_state == WSI_STATE_RETURNED_CLOSE_ALREADY) ||
(old_state == WSI_STATE_AWAITING_CLOSE_ACK))) {
lwsl_debug("calling back CLOSED\n");
wsi->protocol->callback(context, wsi, LWS_CALLBACK_CLOSED,
wsi->user_space, NULL, 0);
} else if (wsi->mode == LWS_CONNMODE_HTTP_SERVING_ACCEPTED) {
lwsl_debug("calling back CLOSED_HTTP\n");
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_CLOSED_HTTP, wsi->user_space, NULL, 0 );
} else
lwsl_debug("not calling back closed\n");
/* deallocate any active extension contexts */
if (lws_ext_callback_for_each_active(wsi, LWS_EXT_CALLBACK_DESTROY, NULL, 0) < 0)
lwsl_warn("extension destruction failed\n");
#ifndef LWS_NO_EXTENSIONS
for (n = 0; n < wsi->count_active_extensions; n++)
free(wsi->active_extensions_user[n]);
#endif
/*
* inform all extensions in case they tracked this guy out of band
* even though not active on him specifically
*/
if (lws_ext_callback_for_each_extension_type(context, wsi,
LWS_EXT_CALLBACK_DESTROY_ANY_WSI_CLOSING, NULL, 0) < 0)
lwsl_warn("ext destroy wsi failed\n");
/* lwsl_info("closing fd=%d\n", wsi->sock); */
if (!lws_ssl_close(wsi) && wsi->sock >= 0) {
n = shutdown(wsi->sock, SHUT_RDWR);
if (n)
lwsl_debug("closing: shutdown ret %d\n", LWS_ERRNO);
n = compatible_close(wsi->sock);
if (n)
lwsl_debug("closing: close ret %d\n", LWS_ERRNO);
}
/* outermost destroy notification for wsi (user_space still intact) */
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_WSI_DESTROY, wsi->user_space, NULL, 0);
if (wsi->protocol && wsi->protocol->per_session_data_size &&
wsi->user_space && !wsi->user_space_externally_allocated)
free(wsi->user_space);
free(wsi);
}
/**
* libwebsockets_get_peer_addresses() - Get client address information
* @context: Libwebsockets context
* @wsi: Local struct libwebsocket associated with
* @fd: Connection socket descriptor
* @name: Buffer to take client address name
* @name_len: Length of client address name buffer
* @rip: Buffer to take client address IP qotted quad
* @rip_len: Length of client address IP buffer
*
* This function fills in @name and @rip with the name and IP of
* the client connected with socket descriptor @fd. Names may be
* truncated if there is not enough room. If either cannot be
* determined, they will be returned as valid zero-length strings.
*/
LWS_VISIBLE void
libwebsockets_get_peer_addresses(struct libwebsocket_context *context,
struct libwebsocket *wsi, int fd, char *name, int name_len,
char *rip, int rip_len)
{
socklen_t len;
#ifdef LWS_USE_IPV6
struct sockaddr_in6 sin6;
#endif
struct sockaddr_in sin4;
struct hostent *host;
struct hostent *host1;
char ip[128];
unsigned char *p;
int n;
#ifdef AF_LOCAL
struct sockaddr_un *un;
#endif
int ret = -1;
rip[0] = '\0';
name[0] = '\0';
lws_latency_pre(context, wsi);
#ifdef LWS_USE_IPV6
if (LWS_IPV6_ENABLED(context)) {
len = sizeof(sin6);
if (getpeername(fd, (struct sockaddr *) &sin6, &len) < 0) {
lwsl_warn("getpeername: %s\n", strerror(LWS_ERRNO));
goto bail;
}
if (!lws_plat_inet_ntop(AF_INET6, &sin6.sin6_addr, rip, rip_len)) {
lwsl_err("inet_ntop", strerror(LWS_ERRNO));
goto bail;
}
// Strip off the IPv4 to IPv6 header if one exists
if (strncmp(rip, "::ffff:", 7) == 0)
memmove(rip, rip + 7, strlen(rip) - 6);
getnameinfo((struct sockaddr *)&sin6,
sizeof(struct sockaddr_in6), name,
name_len, NULL, 0, 0);
} else
#endif
{
len = sizeof(sin4);
if (getpeername(fd, (struct sockaddr *) &sin4, &len) < 0) {
lwsl_warn("getpeername: %s\n", strerror(LWS_ERRNO));
goto bail;
}
host = gethostbyaddr((char *) &sin4.sin_addr,
sizeof(sin4.sin_addr), AF_INET);
if (host == NULL) {
lwsl_warn("gethostbyaddr: %s\n", strerror(LWS_ERRNO));
goto bail;
}
strncpy(name, host->h_name, name_len);
name[name_len - 1] = '\0';
host1 = gethostbyname(host->h_name);
if (host1 == NULL)
goto bail;
p = (unsigned char *)host1;
n = 0;
while (p != NULL) {
p = (unsigned char *)host1->h_addr_list[n++];
if (p == NULL)
continue;
if ((host1->h_addrtype != AF_INET)
#ifdef AF_LOCAL
&& (host1->h_addrtype != AF_LOCAL)
#endif
)
continue;
if (host1->h_addrtype == AF_INET)
sprintf(ip, "%u.%u.%u.%u",
p[0], p[1], p[2], p[3]);
#ifdef AF_LOCAL
else {
un = (struct sockaddr_un *)p;
strncpy(ip, un->sun_path, sizeof(ip) - 1);
ip[sizeof(ip) - 1] = '\0';
}
#endif
p = NULL;
strncpy(rip, ip, rip_len);
rip[rip_len - 1] = '\0';
}
}
ret = 0;
bail:
lws_latency(context, wsi, "libwebsockets_get_peer_addresses", ret, 1);
}
/**
* libwebsocket_context_user() - get the user data associated with the context
* @context: Websocket context
*
* This returns the optional user allocation that can be attached to
* the context the sockets live in at context_create time. It's a way
* to let all sockets serviced in the same context share data without
* using globals statics in the user code.
*/
LWS_EXTERN void *
libwebsocket_context_user(struct libwebsocket_context *context)
{
return context->user_space;
}
/**
* libwebsocket_callback_all_protocol() - Callback all connections using
* the given protocol with the given reason
*
* @protocol: Protocol whose connections will get callbacks
* @reason: Callback reason index
*/
LWS_VISIBLE int
libwebsocket_callback_all_protocol(
const struct libwebsocket_protocols *protocol, int reason)
{
struct libwebsocket_context *context = protocol->owning_server;
int n;
struct libwebsocket *wsi;
for (n = 0; n < context->fds_count; n++) {
wsi = context->lws_lookup[context->fds[n].fd];
if (!wsi)
continue;
if (wsi->protocol == protocol)
protocol->callback(context, wsi,
reason, wsi->user_space, NULL, 0);
}
return 0;
}
/**
* libwebsocket_set_timeout() - marks the wsi as subject to a timeout
*
* You will not need this unless you are doing something special
*
* @wsi: Websocket connection instance
* @reason: timeout reason
* @secs: how many seconds
*/
LWS_VISIBLE void
libwebsocket_set_timeout(struct libwebsocket *wsi,
enum pending_timeout reason, int secs)
{
time_t now;
time(&now);
wsi->pending_timeout_limit = now + secs;
wsi->pending_timeout = reason;
}
/**
* libwebsocket_get_socket_fd() - returns the socket file descriptor
*
* You will not need this unless you are doing something special
*
* @wsi: Websocket connection instance
*/
LWS_VISIBLE int
libwebsocket_get_socket_fd(struct libwebsocket *wsi)
{
return wsi->sock;
}
#ifdef LWS_LATENCY
void
lws_latency(struct libwebsocket_context *context, struct libwebsocket *wsi,
const char *action, int ret, int completed)
{
unsigned long long u;
char buf[256];
u = time_in_microseconds();
if (!action) {
wsi->latency_start = u;
if (!wsi->action_start)
wsi->action_start = u;
return;
}
if (completed) {
if (wsi->action_start == wsi->latency_start)
sprintf(buf,
"Completion first try lat %lluus: %p: ret %d: %s\n",
u - wsi->latency_start,
(void *)wsi, ret, action);
else
sprintf(buf,
"Completion %lluus: lat %lluus: %p: ret %d: %s\n",
u - wsi->action_start,
u - wsi->latency_start,
(void *)wsi, ret, action);
wsi->action_start = 0;
} else
sprintf(buf, "lat %lluus: %p: ret %d: %s\n",
u - wsi->latency_start, (void *)wsi, ret, action);
if (u - wsi->latency_start > context->worst_latency) {
context->worst_latency = u - wsi->latency_start;
strcpy(context->worst_latency_info, buf);
}
lwsl_latency("%s", buf);
}
#endif
/**
* libwebsocket_rx_flow_control() - Enable and disable socket servicing for
* receieved packets.
*
* If the output side of a server process becomes choked, this allows flow
* control for the input side.
*
* @wsi: Websocket connection instance to get callback for
* @enable: 0 = disable read servicing for this connection, 1 = enable
*/
LWS_VISIBLE int
libwebsocket_rx_flow_control(struct libwebsocket *wsi, int enable)
{
if (enable == (wsi->u.ws.rxflow_change_to & LWS_RXFLOW_ALLOW))
return 0;
lwsl_info("libwebsocket_rx_flow_control(0x%p, %d)\n", wsi, enable);
wsi->u.ws.rxflow_change_to = LWS_RXFLOW_PENDING_CHANGE | !!enable;
return 0;
}
/**
* libwebsocket_rx_flow_allow_all_protocol() - Allow all connections with this protocol to receive
*
* When the user server code realizes it can accept more input, it can
* call this to have the RX flow restriction removed from all connections using
* the given protocol.
*
* @protocol: all connections using this protocol will be allowed to receive
*/
LWS_VISIBLE void
libwebsocket_rx_flow_allow_all_protocol(
const struct libwebsocket_protocols *protocol)
{
struct libwebsocket_context *context = protocol->owning_server;
int n;
struct libwebsocket *wsi;
for (n = 0; n < context->fds_count; n++) {
wsi = context->lws_lookup[context->fds[n].fd];
if (!wsi)
continue;
if (wsi->protocol == protocol)
libwebsocket_rx_flow_control(wsi, LWS_RXFLOW_ALLOW);
}
}
/**
* libwebsocket_canonical_hostname() - returns this host's hostname
*
* This is typically used by client code to fill in the host parameter
* when making a client connection. You can only call it after the context
* has been created.
*
* @context: Websocket context
*/
LWS_VISIBLE extern const char *
libwebsocket_canonical_hostname(struct libwebsocket_context *context)
{
return (const char *)context->canonical_hostname;
}
int user_callback_handle_rxflow(callback_function callback_function,
struct libwebsocket_context *context,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason, void *user,
void *in, size_t len)
{
int n;
n = callback_function(context, wsi, reason, user, in, len);
if (!n)
n = _libwebsocket_rx_flow_control(wsi);
return n;
}
/**
* libwebsocket_set_proxy() - Setups proxy to libwebsocket_context.
* @context: pointer to struct libwebsocket_context you want set proxy to
* @proxy: pointer to c string containing proxy in format address:port
*
* Returns 0 if proxy string was parsed and proxy was setup.
* Returns -1 if @proxy is NULL or has incorrect format.
*
* This is only required if your OS does not provide the http_proxy
* enviroment variable (eg, OSX)
*
* IMPORTANT! You should call this function right after creation of the
* libwebsocket_context and before call to connect. If you call this
* function after connect behavior is undefined.
* This function will override proxy settings made on libwebsocket_context
* creation with genenv() call.
*/
LWS_VISIBLE int
libwebsocket_set_proxy(struct libwebsocket_context *context, const char *proxy)
{
char *p;
if (!proxy)
return -1;
strncpy(context->http_proxy_address, proxy,
sizeof(context->http_proxy_address) - 1);
context->http_proxy_address[
sizeof(context->http_proxy_address) - 1] = '\0';
p = strchr(context->http_proxy_address, ':');
if (!p) {
lwsl_err("http_proxy needs to be ads:port\n");
return -1;
}
*p = '\0';
context->http_proxy_port = atoi(p + 1);
lwsl_notice(" Proxy %s:%u\n", context->http_proxy_address,
context->http_proxy_port);
return 0;
}
/**
* libwebsockets_get_protocol() - Returns a protocol pointer from a websocket
* connection.
* @wsi: pointer to struct websocket you want to know the protocol of
*
*
* Some apis can act on all live connections of a given protocol,
* this is how you can get a pointer to the active protocol if needed.
*/
LWS_VISIBLE const struct libwebsocket_protocols *
libwebsockets_get_protocol(struct libwebsocket *wsi)
{
return wsi->protocol;
}
LWS_VISIBLE int
libwebsocket_is_final_fragment(struct libwebsocket *wsi)
{
return wsi->u.ws.final;
}
LWS_VISIBLE unsigned char
libwebsocket_get_reserved_bits(struct libwebsocket *wsi)
{
return wsi->u.ws.rsv;
}
int
libwebsocket_ensure_user_space(struct libwebsocket *wsi)
{
if (!wsi->protocol)
return 1;
/* allocate the per-connection user memory (if any) */
if (wsi->protocol->per_session_data_size && !wsi->user_space) {
wsi->user_space = malloc(
wsi->protocol->per_session_data_size);
if (wsi->user_space == NULL) {
lwsl_err("Out of memory for conn user space\n");
return 1;
}
memset(wsi->user_space, 0,
wsi->protocol->per_session_data_size);
}
return 0;
}
LWS_VISIBLE void lwsl_emit_stderr(int level, const char *line)
{
char buf[300];
unsigned long long now;
int n;
buf[0] = '\0';
for (n = 0; n < LLL_COUNT; n++)
if (level == (1 << n)) {
now = time_in_microseconds() / 100;
sprintf(buf, "[%lu:%04d] %s: ", (unsigned long) now / 10000,
(int)(now % 10000), log_level_names[n]);
break;
}
fprintf(stderr, "%s%s", buf, line);
}
LWS_VISIBLE void _lws_log(int filter, const char *format, ...)
{
char buf[256];
va_list ap;
if (!(log_level & filter))
return;
va_start(ap, format);
vsnprintf(buf, sizeof(buf), format, ap);
buf[sizeof(buf) - 1] = '\0';
va_end(ap);
lwsl_emit(filter, buf);
}
/**
* lws_set_log_level() - Set the logging bitfield
* @level: OR together the LLL_ debug contexts you want output from
* @log_emit_function: NULL to leave it as it is, or a user-supplied
* function to perform log string emission instead of
* the default stderr one.
*
* log level defaults to "err", "warn" and "notice" contexts enabled and
* emission on stderr.
*/
LWS_VISIBLE void lws_set_log_level(int level, void (*log_emit_function)(int level,
const char *line))
{
log_level = level;
if (log_emit_function)
lwsl_emit = log_emit_function;
}

1207
dependencies/libwebsockets/lib/libwebsockets.h vendored Normal file
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404
dependencies/libwebsockets/lib/lws-plat-unix.c vendored Normal file
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@ -0,0 +1,404 @@
#include "private-libwebsockets.h"
/*
* included from libwebsockets.c for unix builds
*/
unsigned long long time_in_microseconds(void)
{
struct timeval tv;
gettimeofday(&tv, NULL);
return (tv.tv_sec * 1000000) + tv.tv_usec;
}
LWS_VISIBLE int libwebsockets_get_random(struct libwebsocket_context *context,
void *buf, int len)
{
return read(context->fd_random, (char *)buf, len);
}
LWS_VISIBLE int lws_send_pipe_choked(struct libwebsocket *wsi)
{
struct libwebsocket_pollfd fds;
/* treat the fact we got a truncated send pending as if we're choked */
if (wsi->truncated_send_len)
return 1;
fds.fd = wsi->sock;
fds.events = POLLOUT;
fds.revents = 0;
if (poll(&fds, 1, 0) != 1)
return 1;
if ((fds.revents & POLLOUT) == 0)
return 1;
/* okay to send another packet without blocking */
return 0;
}
LWS_VISIBLE int
lws_poll_listen_fd(struct libwebsocket_pollfd *fd)
{
return poll(fd, 1, 0);
}
/*
* This is just used to interrupt poll waiting
* we don't have to do anything with it.
*/
static void lws_sigusr2(int sig)
{
}
/**
* libwebsocket_cancel_service() - Cancel servicing of pending websocket activity
* @context: Websocket context
*
* This function let a call to libwebsocket_service() waiting for a timeout
* immediately return.
*/
LWS_VISIBLE void
libwebsocket_cancel_service(struct libwebsocket_context *context)
{
char buf = 0;
if (write(context->dummy_pipe_fds[1], &buf, sizeof(buf)) != 1)
lwsl_err("Cannot write to dummy pipe");
}
LWS_VISIBLE void lwsl_emit_syslog(int level, const char *line)
{
int syslog_level = LOG_DEBUG;
switch (level) {
case LLL_ERR:
syslog_level = LOG_ERR;
break;
case LLL_WARN:
syslog_level = LOG_WARNING;
break;
case LLL_NOTICE:
syslog_level = LOG_NOTICE;
break;
case LLL_INFO:
syslog_level = LOG_INFO;
break;
}
syslog(syslog_level, "%s", line);
}
LWS_VISIBLE int
lws_plat_service(struct libwebsocket_context *context, int timeout_ms)
{
int n;
int m;
char buf;
/* stay dead once we are dead */
if (!context)
return 1;
lws_libev_run(context);
context->service_tid = context->protocols[0].callback(context, NULL,
LWS_CALLBACK_GET_THREAD_ID, NULL, NULL, 0);
n = poll(context->fds, context->fds_count, timeout_ms);
context->service_tid = 0;
if (n == 0) /* poll timeout */ {
libwebsocket_service_fd(context, NULL);
return 0;
}
if (n < 0) {
if (LWS_ERRNO != LWS_EINTR)
return -1;
return 0;
}
/* any socket with events to service? */
for (n = 0; n < context->fds_count; n++) {
if (!context->fds[n].revents)
continue;
if (context->fds[n].fd == context->dummy_pipe_fds[0]) {
if (read(context->fds[n].fd, &buf, 1) != 1)
lwsl_err("Cannot read from dummy pipe.");
continue;
}
m = libwebsocket_service_fd(context, &context->fds[n]);
if (m < 0)
return -1;
/* if something closed, retry this slot */
if (m)
n--;
}
return 0;
}
LWS_VISIBLE int
lws_plat_set_socket_options(struct libwebsocket_context *context, int fd)
{
int optval = 1;
socklen_t optlen = sizeof(optval);
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || \
defined(__OpenBSD__)
struct protoent *tcp_proto;
#endif
if (context->ka_time) {
/* enable keepalive on this socket */
optval = 1;
if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE,
(const void *)&optval, optlen) < 0)
return 1;
#if defined(__APPLE__) || defined(__FreeBSD__) || defined(__NetBSD__) || \
defined(__CYGWIN__) || defined(__OpenBSD__)
/*
* didn't find a way to set these per-socket, need to
* tune kernel systemwide values
*/
#else
/* set the keepalive conditions we want on it too */
optval = context->ka_time;
if (setsockopt(fd, IPPROTO_IP, TCP_KEEPIDLE,
(const void *)&optval, optlen) < 0)
return 1;
optval = context->ka_interval;
if (setsockopt(fd, IPPROTO_IP, TCP_KEEPINTVL,
(const void *)&optval, optlen) < 0)
return 1;
optval = context->ka_probes;
if (setsockopt(fd, IPPROTO_IP, TCP_KEEPCNT,
(const void *)&optval, optlen) < 0)
return 1;
#endif
}
/* Disable Nagle */
optval = 1;
#if !defined(__APPLE__) && !defined(__FreeBSD__) && !defined(__NetBSD__) && \
!defined(__OpenBSD__)
setsockopt(fd, SOL_TCP, TCP_NODELAY, (const void *)&optval, optlen);
#else
tcp_proto = getprotobyname("TCP");
setsockopt(fd, tcp_proto->p_proto, TCP_NODELAY, &optval, optlen);
#endif
/* We are nonblocking... */
fcntl(fd, F_SETFL, O_NONBLOCK);
return 0;
}
LWS_VISIBLE void
lws_plat_drop_app_privileges(struct lws_context_creation_info *info)
{
if (info->gid != -1)
if (setgid(info->gid))
lwsl_warn("setgid: %s\n", strerror(LWS_ERRNO));
if (info->uid != -1)
if (setuid(info->uid))
lwsl_warn("setuid: %s\n", strerror(LWS_ERRNO));
}
LWS_VISIBLE int
lws_plat_init_fd_tables(struct libwebsocket_context *context)
{
if (lws_libev_init_fd_table(context))
/* libev handled it instead */
return 0;
if (pipe(context->dummy_pipe_fds)) {
lwsl_err("Unable to create pipe\n");
return 1;
}
/* use the read end of pipe as first item */
context->fds[0].fd = context->dummy_pipe_fds[0];
context->fds[0].events = LWS_POLLIN;
context->fds[0].revents = 0;
context->fds_count = 1;
context->fd_random = open(SYSTEM_RANDOM_FILEPATH, O_RDONLY);
if (context->fd_random < 0) {
lwsl_err("Unable to open random device %s %d\n",
SYSTEM_RANDOM_FILEPATH, context->fd_random);
return 1;
}
return 0;
}
static void sigpipe_handler(int x)
{
}
LWS_VISIBLE int
lws_plat_context_early_init(void)
{
sigset_t mask;
signal(SIGUSR2, lws_sigusr2);
sigemptyset(&mask);
sigaddset(&mask, SIGUSR2);
sigprocmask(SIG_BLOCK, &mask, NULL);
signal(SIGPIPE, sigpipe_handler);
return 0;
}
LWS_VISIBLE void
lws_plat_context_early_destroy(struct libwebsocket_context *context)
{
}
LWS_VISIBLE void
lws_plat_context_late_destroy(struct libwebsocket_context *context)
{
close(context->dummy_pipe_fds[0]);
close(context->dummy_pipe_fds[1]);
close(context->fd_random);
}
/* cast a struct sockaddr_in6 * into addr for ipv6 */
LWS_VISIBLE int
interface_to_sa(struct libwebsocket_context *context,
const char *ifname, struct sockaddr_in *addr, size_t addrlen)
{
int rc = -1;
struct ifaddrs *ifr;
struct ifaddrs *ifc;
#ifdef LWS_USE_IPV6
struct sockaddr_in6 *addr6 = (struct sockaddr_in6 *)addr;
#endif
getifaddrs(&ifr);
for (ifc = ifr; ifc != NULL && rc; ifc = ifc->ifa_next) {
if (!ifc->ifa_addr)
continue;
lwsl_info(" interface %s vs %s\n", ifc->ifa_name, ifname);
if (strcmp(ifc->ifa_name, ifname))
continue;
switch (ifc->ifa_addr->sa_family) {
case AF_INET:
#ifdef LWS_USE_IPV6
if (LWS_IPV6_ENABLED(context)) {
/* map IPv4 to IPv6 */
bzero((char *)&addr6->sin6_addr,
sizeof(struct in6_addr));
addr6->sin6_addr.s6_addr[10] = 0xff;
addr6->sin6_addr.s6_addr[11] = 0xff;
memcpy(&addr6->sin6_addr.s6_addr[12],
&((struct sockaddr_in *)ifc->ifa_addr)->sin_addr,
sizeof(struct in_addr));
} else
#endif
memcpy(addr,
(struct sockaddr_in *)ifc->ifa_addr,
sizeof(struct sockaddr_in));
break;
#ifdef LWS_USE_IPV6
case AF_INET6:
if (rc >= 0)
break;
memcpy(&addr6->sin6_addr,
&((struct sockaddr_in6 *)ifc->ifa_addr)->sin6_addr,
sizeof(struct in6_addr));
break;
#endif
default:
continue;
}
rc = 0;
}
freeifaddrs(ifr);
if (rc == -1) {
/* check if bind to IP adddress */
#ifdef LWS_USE_IPV6
if (inet_pton(AF_INET6, ifname, &addr6->sin6_addr) == 1)
rc = 0;
else
#endif
if (inet_pton(AF_INET, ifname, &addr->sin_addr) == 1)
rc = 0;
}
return rc;
}
LWS_VISIBLE void
lws_plat_insert_socket_into_fds(struct libwebsocket_context *context,
struct libwebsocket *wsi)
{
lws_libev_io(context, wsi, LWS_EV_START | LWS_EV_READ);
context->fds[context->fds_count++].revents = 0;
}
LWS_VISIBLE void
lws_plat_delete_socket_from_fds(struct libwebsocket_context *context,
struct libwebsocket *wsi, int m)
{
}
LWS_VISIBLE void
lws_plat_service_periodic(struct libwebsocket_context *context)
{
/* if our parent went down, don't linger around */
if (context->started_with_parent &&
kill(context->started_with_parent, 0) < 0)
kill(getpid(), SIGTERM);
}
LWS_VISIBLE int
lws_plat_change_pollfd(struct libwebsocket_context *context,
struct libwebsocket *wsi, struct libwebsocket_pollfd *pfd)
{
return 0;
}
LWS_VISIBLE int
lws_plat_open_file(const char* filename, unsigned long* filelen)
{
struct stat stat_buf;
int ret = open(filename, O_RDONLY);
if (ret < 0)
return LWS_INVALID_FILE;
fstat(ret, &stat_buf);
*filelen = stat_buf.st_size;
return ret;
}
#ifdef LWS_USE_IPV6
LWS_VISIBLE const char *
lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt)
{
return inet_ntop(af, src, dst, cnt);
}
#endif

358
dependencies/libwebsockets/lib/lws-plat-win.c vendored Normal file
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#include "private-libwebsockets.h"
unsigned long long
time_in_microseconds()
{
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
FILETIME filetime;
ULARGE_INTEGER datetime;
#ifdef _WIN32_WCE
GetCurrentFT(&filetime);
#else
GetSystemTimeAsFileTime(&filetime);
#endif
/*
* As per Windows documentation for FILETIME, copy the resulting FILETIME structure to a
* ULARGE_INTEGER structure using memcpy (using memcpy instead of direct assignment can
* prevent alignment faults on 64-bit Windows).
*/
memcpy(&datetime, &filetime, sizeof(datetime));
/* Windows file times are in 100s of nanoseconds. */
return (datetime.QuadPart - DELTA_EPOCH_IN_MICROSECS) / 10;
}
#ifdef _WIN32_WCE
time_t time(time_t *t)
{
time_t ret = time_in_microseconds() / 1000000;
*t = ret;
return ret;
}
#endif
LWS_VISIBLE int libwebsockets_get_random(struct libwebsocket_context *context,
void *buf, int len)
{
int n;
char *p = (char *)buf;
for (n = 0; n < len; n++)
p[n] = (unsigned char)rand();
return n;
}
LWS_VISIBLE int lws_send_pipe_choked(struct libwebsocket *wsi)
{
return wsi->sock_send_blocking;
}
LWS_VISIBLE int lws_poll_listen_fd(struct libwebsocket_pollfd *fd)
{
fd_set readfds;
struct timeval tv = { 0, 0 };
assert(fd->events == LWS_POLLIN);
FD_ZERO(&readfds);
FD_SET(fd->fd, &readfds);
return select(fd->fd + 1, &readfds, NULL, NULL, &tv);
}
/**
* libwebsocket_cancel_service() - Cancel servicing of pending websocket activity
* @context: Websocket context
*
* This function let a call to libwebsocket_service() waiting for a timeout
* immediately return.
*/
LWS_VISIBLE void
libwebsocket_cancel_service(struct libwebsocket_context *context)
{
WSASetEvent(context->events[0]);
}
LWS_VISIBLE void lwsl_emit_syslog(int level, const char *line)
{
lwsl_emit_stderr(level, line);
}
LWS_VISIBLE int
lws_plat_service(struct libwebsocket_context *context, int timeout_ms)
{
int n;
int i;
DWORD ev;
WSANETWORKEVENTS networkevents;
struct libwebsocket_pollfd *pfd;
/* stay dead once we are dead */
if (context == NULL)
return 1;
context->service_tid = context->protocols[0].callback(context, NULL,
LWS_CALLBACK_GET_THREAD_ID, NULL, NULL, 0);
for (i = 0; i < context->fds_count; ++i) {
pfd = &context->fds[i];
if (pfd->fd == context->listen_service_fd)
continue;
if (pfd->events & LWS_POLLOUT) {
if (context->lws_lookup[pfd->fd]->sock_send_blocking)
continue;
pfd->revents = LWS_POLLOUT;
n = libwebsocket_service_fd(context, pfd);
if (n < 0)
return n;
}
}
ev = WSAWaitForMultipleEvents(context->fds_count + 1,
context->events, FALSE, timeout_ms, FALSE);
context->service_tid = 0;
if (ev == WSA_WAIT_TIMEOUT) {
libwebsocket_service_fd(context, NULL);
return 0;
}
if (ev == WSA_WAIT_EVENT_0) {
WSAResetEvent(context->events[0]);
return 0;
}
if (ev < WSA_WAIT_EVENT_0 || ev > WSA_WAIT_EVENT_0 + context->fds_count)
return -1;
pfd = &context->fds[ev - WSA_WAIT_EVENT_0 - 1];
if (WSAEnumNetworkEvents(pfd->fd,
context->events[ev - WSA_WAIT_EVENT_0],
&networkevents) == SOCKET_ERROR) {
lwsl_err("WSAEnumNetworkEvents() failed with error %d\n",
LWS_ERRNO);
return -1;
}
pfd->revents = networkevents.lNetworkEvents;
if (pfd->revents & LWS_POLLOUT)
context->lws_lookup[pfd->fd]->sock_send_blocking = FALSE;
return libwebsocket_service_fd(context, pfd);
}
LWS_VISIBLE int
lws_plat_set_socket_options(struct libwebsocket_context *context, int fd)
{
int optval = 1;
int optlen = sizeof(optval);
u_long optl = 1;
DWORD dwBytesRet;
struct tcp_keepalive alive;
struct protoent *tcp_proto;
if (context->ka_time) {
/* enable keepalive on this socket */
optval = 1;
if (setsockopt(fd, SOL_SOCKET, SO_KEEPALIVE,
(const char *)&optval, optlen) < 0)
return 1;
alive.onoff = TRUE;
alive.keepalivetime = context->ka_time;
alive.keepaliveinterval = context->ka_interval;
if (WSAIoctl(fd, SIO_KEEPALIVE_VALS, &alive, sizeof(alive),
NULL, 0, &dwBytesRet, NULL, NULL))
return 1;
}
/* Disable Nagle */
optval = 1;
tcp_proto = getprotobyname("TCP");
setsockopt(fd, tcp_proto->p_proto, TCP_NODELAY, (const char *)&optval, optlen);
/* We are nonblocking... */
ioctlsocket(fd, FIONBIO, &optl);
return 0;
}
LWS_VISIBLE void
lws_plat_drop_app_privileges(struct lws_context_creation_info *info)
{
}
LWS_VISIBLE int
lws_plat_init_fd_tables(struct libwebsocket_context *context)
{
context->events = (WSAEVENT *)malloc(sizeof(WSAEVENT) *
(context->max_fds + 1));
if (context->events == NULL) {
lwsl_err("Unable to allocate events array for %d connections\n",
context->max_fds);
return 1;
}
context->fds_count = 0;
context->events[0] = WSACreateEvent();
context->fd_random = 0;
return 0;
}
LWS_VISIBLE int
lws_plat_context_early_init(void)
{
WORD wVersionRequested;
WSADATA wsaData;
int err;
/* Use the MAKEWORD(lowbyte, highbyte) macro from Windef.h */
wVersionRequested = MAKEWORD(2, 2);
err = WSAStartup(wVersionRequested, &wsaData);
if (!err)
return 0;
/*
* Tell the user that we could not find a usable
* Winsock DLL
*/
lwsl_err("WSAStartup failed with error: %d\n", err);
return 1;
}
LWS_VISIBLE void
lws_plat_context_early_destroy(struct libwebsocket_context *context)
{
if (context->events) {
WSACloseEvent(context->events[0]);
free(context->events);
}
}
LWS_VISIBLE void
lws_plat_context_late_destroy(struct libwebsocket_context *context)
{
WSACleanup();
}
LWS_VISIBLE int
interface_to_sa(struct libwebsocket_context *context,
const char *ifname, struct sockaddr_in *addr, size_t addrlen)
{
return -1;
}
LWS_VISIBLE void
lws_plat_insert_socket_into_fds(struct libwebsocket_context *context,
struct libwebsocket *wsi)
{
context->fds[context->fds_count++].revents = 0;
context->events[context->fds_count] = WSACreateEvent();
WSAEventSelect(wsi->sock, context->events[context->fds_count], LWS_POLLIN);
}
LWS_VISIBLE void
lws_plat_delete_socket_from_fds(struct libwebsocket_context *context,
struct libwebsocket *wsi, int m)
{
WSACloseEvent(context->events[m + 1]);
context->events[m + 1] = context->events[context->fds_count + 1];
}
LWS_VISIBLE void
lws_plat_service_periodic(struct libwebsocket_context *context)
{
}
LWS_VISIBLE int
lws_plat_change_pollfd(struct libwebsocket_context *context,
struct libwebsocket *wsi, struct libwebsocket_pollfd *pfd)
{
long networkevents = LWS_POLLOUT | LWS_POLLHUP;
if ((pfd->events & LWS_POLLIN))
networkevents |= LWS_POLLIN;
if (WSAEventSelect(wsi->sock,
context->events[wsi->position_in_fds_table + 1],
networkevents) != SOCKET_ERROR)
return 0;
lwsl_err("WSAEventSelect() failed with error %d\n", LWS_ERRNO);
return 1;
}
LWS_VISIBLE HANDLE
lws_plat_open_file(const char* filename, unsigned long* filelen)
{
HANDLE ret;
WCHAR buffer[MAX_PATH];
MultiByteToWideChar(CP_UTF8, 0, filename, -1, buffer,
sizeof(buffer) / sizeof(buffer[0]));
ret = CreateFileW(buffer, GENERIC_READ, FILE_SHARE_READ,
NULL, OPEN_EXISTING, FILE_ATTRIBUTE_NORMAL, NULL);
if (ret != LWS_INVALID_FILE)
*filelen = GetFileSize(ret, NULL);
return ret;
}
LWS_VISIBLE const char *
lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt)
{
WCHAR *buffer;
DWORD bufferlen = cnt;
BOOL ok = FALSE;
buffer = malloc(bufferlen);
if (!buffer) {
lwsl_err("Out of memory\n");
return NULL;
}
if (af == AF_INET) {
struct sockaddr_in srcaddr;
bzero(&srcaddr, sizeof(srcaddr));
srcaddr.sin_family = AF_INET;
memcpy(&(srcaddr.sin_addr), src, sizeof(srcaddr.sin_addr));
if (!WSAAddressToStringW((struct sockaddr*)&srcaddr, sizeof(srcaddr), 0, buffer, &bufferlen))
ok = TRUE;
#ifdef LWS_USE_IPV6
} else if (af == AF_INET6) {
struct sockaddr_in6 srcaddr;
bzero(&srcaddr, sizeof(srcaddr));
srcaddr.sin6_family = AF_INET6;
memcpy(&(srcaddr.sin6_addr), src, sizeof(srcaddr.sin6_addr));
if (!WSAAddressToStringW((struct sockaddr*)&srcaddr, sizeof(srcaddr), 0, buffer, &bufferlen))
ok = TRUE;
#endif
} else
lwsl_err("Unsupported type\n");
if (!ok) {
int rv = WSAGetLastError();
lwsl_err("WSAAddressToString() : %d\n", rv);
} else {
if (WideCharToMultiByte(CP_ACP, 0, buffer, bufferlen, dst, cnt, 0, NULL) <= 0)
ok = FALSE;
}
free(buffer);
return ok ? dst : NULL;
}

316
dependencies/libwebsockets/lib/minilex.c vendored Normal file
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/*
* minilex.c
*
* High efficiency lexical state parser
*
* Copyright (C)2011-2014 Andy Green <andy@warmcat.com>
*
* Licensed under LGPL2
*
* Usage: gcc minilex.c -o minilex && ./minilex > lextable.h
*
* Run it twice to test parsing on the generated table on stderr
*/
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
/* set of parsable strings -- ALL LOWER CASE */
const char *set[] = {
"get ",
"post ",
"options ",
"host:",
"connection:",
"sec-websocket-key1:",
"sec-websocket-key2:",
"sec-websocket-protocol:",
"upgrade:",
"origin:",
"sec-websocket-draft:",
"\x0d\x0a",
"sec-websocket-key:",
"sec-websocket-version:",
"sec-websocket-origin:",
"sec-websocket-extensions:",
"sec-websocket-accept:",
"sec-websocket-nonce:",
"http/1.1 ",
"accept:",
"access-control-request-headers:",
"if-modified-since:",
"if-none-match:",
"accept-encoding:",
"accept-language:",
"pragma:",
"cache-control:",
"authorization:",
"cookie:",
"content-length:",
"content-type:",
"date:",
"range:",
"referer:",
"", /* not matchable */
};
/*
* b7 = 0 = 1-byte seq
* 0x08 = fail
* 2-byte seq
* 0x00 - 0x07, then terminal as given in 2nd byte
3-byte seq
* no match: go fwd 3 byte, match: jump fwd by amt in +1/+2 bytes
* = 1 = 1-byte seq
* no match: die, match go fwd 1 byte
*/
unsigned char lextable[] = {
#include "lextable.h"
};
#define PARALLEL 30
struct state {
char c[PARALLEL];
int state[PARALLEL];
int count;
int bytepos;
int real_pos;
};
struct state state[1000];
int next = 1;
#define FAIL_CHAR 0x08
int lextable_decode(int pos, char c)
{
while (1) {
if (lextable[pos] & (1 << 7)) { /* 1-byte, fail on mismatch */
if ((lextable[pos] & 0x7f) != c)
return -1;
/* fall thru */
pos++;
if (lextable[pos] == FAIL_CHAR)
return -1;
return pos;
} else { /* b7 = 0, end or 3-byte */
if (lextable[pos] < FAIL_CHAR) /* terminal marker */
return pos;
if (lextable[pos] == c) /* goto */
return pos + (lextable[pos + 1]) +
(lextable[pos + 2] << 8);
/* fall thru goto */
pos += 3;
/* continue */
}
}
}
int main(void)
{
int n = 0;
int m = 0;
int prev;
char c;
int walk;
int saw;
int y;
int j;
int pos = 0;
while (n < sizeof(set) / sizeof(set[0])) {
m = 0;
walk = 0;
prev = 0;
if (set[n][0] == '\0') {
n++;
continue;
}
while (set[n][m]) {
saw = 0;
for (y = 0; y < state[walk].count; y++)
if (state[walk].c[y] == set[n][m]) {
/* exists -- go forward */
walk = state[walk].state[y];
saw = 1;
break;
}
if (saw)
goto again;
/* something we didn't see before */
state[walk].c[state[walk].count] = set[n][m];
state[walk].state[state[walk].count] = next;
state[walk].count++;
walk = next++;
again:
m++;
}
state[walk].c[0] = n++;
state[walk].state[0] = 0; /* terminal marker */
state[walk].count = 1;
}
walk = 0;
for (n = 0; n < next; n++) {
state[n].bytepos = walk;
walk += (2 * state[n].count);
}
/* compute everyone's position first */
pos = 0;
walk = 0;
for (n = 0; n < next; n++) {
state[n].real_pos = pos;
for (m = 0; m < state[n].count; m++) {
if (state[n].state[m] == 0)
pos += 2; /* terminal marker */
else { /* c is a character */
if ((state[state[n].state[m]].bytepos -
walk) == 2)
pos++;
else {
pos += 3;
if (m == state[n].count - 1)
pos++; /* fail */
}
}
walk += 2;
}
}
walk = 0;
pos = 0;
for (n = 0; n < next; n++) {
for (m = 0; m < state[n].count; m++) {
if (!m)
fprintf(stdout, "/* pos %04x: %3d */ ",
state[n].real_pos, n);
else
fprintf(stdout, " ");
y = state[n].c[m];
saw = state[n].state[m];
if (saw == 0) { // c is a terminal then
if (y > 0x7ff) {
fprintf(stderr, "terminal too big\n");
return 2;
}
fprintf(stdout, " 0x%02X, 0x%02X "
" "
"/* - terminal marker %2d - */,\n",
y >> 8, y & 0xff, y & 0x7f);
pos += 2;
walk += 2;
continue;
}
/* c is a character */
prev = y &0x7f;
if (prev < 32 || prev > 126)
prev = '.';
if ((state[saw].bytepos - walk) == 2) {
fprintf(stdout, " 0x%02X /* '%c' -> */,\n",
y | 0x80, prev);
pos++;
walk += 2;
continue;
}
j = state[saw].real_pos - pos;
if (j > 0xffff) {
fprintf(stderr,
"Jump > 64K bytes ahead (%d to %d)\n",
state[n].real_pos, state[saw].real_pos);
return 1;
}
fprintf(stdout, " 0x%02X /* '%c' */, 0x%02X, 0x%02X "
"/* (to 0x%04X state %3d) */,\n",
y, prev,
j & 0xff, j >> 8,
state[saw].real_pos, saw);
pos += 3;
if (m == state[n].count - 1) {
fprintf(stdout,
" 0x%02X, /* fail */\n",
FAIL_CHAR);
pos++; /* fail */
}
walk += 2;
}
}
fprintf(stdout, "/* total size %d bytes */\n", pos);
/*
* Try to parse every legal input string
*/
for (n = 0; n < sizeof(set) / sizeof(set[0]); n++) {
walk = 0;
m = 0;
y = -1;
if (set[n][0] == '\0')
continue;
fprintf(stderr, " trying '%s'\n", set[n]);
while (set[n][m]) {
walk = lextable_decode(walk, set[n][m]);
if (walk < 0) {
fprintf(stderr, "failed\n");
return 3;
}
if (lextable[walk] < FAIL_CHAR) {
y = (lextable[walk] << 8) + lextable[walk + 1];
break;
}
m++;
}
if (y != n) {
fprintf(stderr, "decode failed %d\n", y);
return 4;
}
}
fprintf(stderr, "All decode OK\n");
return 0;
}

571
dependencies/libwebsockets/lib/output.c vendored Normal file
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/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2014 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
static int
libwebsocket_0405_frame_mask_generate(struct libwebsocket *wsi)
{
int n;
/* fetch the per-frame nonce */
n = libwebsockets_get_random(wsi->protocol->owning_server,
wsi->u.ws.frame_masking_nonce_04, 4);
if (n != 4) {
lwsl_parser("Unable to read from random device %s %d\n",
SYSTEM_RANDOM_FILEPATH, n);
return 1;
}
/* start masking from first byte of masking key buffer */
wsi->u.ws.frame_mask_index = 0;
return 0;
}
#ifdef _DEBUG
LWS_VISIBLE void lwsl_hexdump(void *vbuf, size_t len)
{
int n;
int m;
int start;
unsigned char *buf = (unsigned char *)vbuf;
char line[80];
char *p;
lwsl_parser("\n");
for (n = 0; n < len;) {
start = n;
p = line;
p += sprintf(p, "%04X: ", start);
for (m = 0; m < 16 && n < len; m++)
p += sprintf(p, "%02X ", buf[n++]);
while (m++ < 16)
p += sprintf(p, " ");
p += sprintf(p, " ");
for (m = 0; m < 16 && (start + m) < len; m++) {
if (buf[start + m] >= ' ' && buf[start + m] < 127)
*p++ = buf[start + m];
else
*p++ = '.';
}
while (m++ < 16)
*p++ = ' ';
*p++ = '\n';
*p = '\0';
lwsl_debug("%s", line);
}
lwsl_debug("\n");
}
#endif
/*
* notice this returns number of bytes consumed, or -1
*/
int lws_issue_raw(struct libwebsocket *wsi, unsigned char *buf, size_t len)
{
struct libwebsocket_context *context = wsi->protocol->owning_server;
int n;
size_t real_len = len;
int m;
if (!len)
return 0;
/* just ignore sends after we cleared the truncation buffer */
if (wsi->state == WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE &&
!wsi->truncated_send_len)
return len;
if (wsi->truncated_send_len && (buf < wsi->truncated_send_malloc ||
buf > (wsi->truncated_send_malloc +
wsi->truncated_send_len +
wsi->truncated_send_offset))) {
lwsl_err("****** %x Sending new, pending truncated ...\n", wsi);
assert(0);
}
m = lws_ext_callback_for_each_active(wsi,
LWS_EXT_CALLBACK_PACKET_TX_DO_SEND, &buf, len);
if (m < 0)
return -1;
if (m) /* handled */ {
n = m;
goto handle_truncated_send;
}
if (wsi->sock < 0)
lwsl_warn("** error invalid sock but expected to send\n");
/*
* nope, send it on the socket directly
*/
lws_latency_pre(context, wsi);
n = lws_ssl_capable_write(wsi, buf, len);
lws_latency(context, wsi, "send lws_issue_raw", n, n == len);
switch (n) {
case LWS_SSL_CAPABLE_ERROR:
return -1;
case LWS_SSL_CAPABLE_MORE_SERVICE:
/* nothing got sent, not fatal, retry the whole thing later */
n = 0;
break;
}
handle_truncated_send:
/*
* we were already handling a truncated send?
*/
if (wsi->truncated_send_len) {
lwsl_info("***** %x partial send moved on by %d (vs %d)\n",
wsi, n, real_len);
wsi->truncated_send_offset += n;
wsi->truncated_send_len -= n;
if (!wsi->truncated_send_len) {
lwsl_info("***** %x partial send completed\n", wsi);
/* done with it, but don't free it */
n = real_len;
if (wsi->state == WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE) {
lwsl_info("***** %x signalling to close now\n", wsi);
return -1; /* retry closing now */
}
}
/* always callback on writeable */
libwebsocket_callback_on_writable(
wsi->protocol->owning_server, wsi);
return n;
}
if (n == real_len)
/* what we just sent went out cleanly */
return n;
if (n && wsi->u.ws.clean_buffer)
/*
* This buffer unaffected by extension rewriting.
* It means the user code is expected to deal with
* partial sends. (lws knows the header was already
* sent, so on next send will just resume sending
* payload)
*/
return n;
/*
* Newly truncated send. Buffer the remainder (it will get
* first priority next time the socket is writable)
*/
lwsl_info("***** %x new partial sent %d from %d total\n",
wsi, n, real_len);
/*
* - if we still have a suitable malloc lying around, use it
* - or, if too small, reallocate it
* - or, if no buffer, create it
*/
if (!wsi->truncated_send_malloc ||
real_len - n > wsi->truncated_send_allocation) {
if (wsi->truncated_send_malloc)
free(wsi->truncated_send_malloc);
wsi->truncated_send_allocation = real_len - n;
wsi->truncated_send_malloc = malloc(real_len - n);
if (!wsi->truncated_send_malloc) {
lwsl_err("truncated send: unable to malloc %d\n",
real_len - n);
return -1;
}
}
wsi->truncated_send_offset = 0;
wsi->truncated_send_len = real_len - n;
memcpy(wsi->truncated_send_malloc, buf + n, real_len - n);
/* since something buffered, force it to get another chance to send */
libwebsocket_callback_on_writable(wsi->protocol->owning_server, wsi);
return real_len;
}
/**
* libwebsocket_write() - Apply protocol then write data to client
* @wsi: Websocket instance (available from user callback)
* @buf: The data to send. For data being sent on a websocket
* connection (ie, not default http), this buffer MUST have
* LWS_SEND_BUFFER_PRE_PADDING bytes valid BEFORE the pointer
* and an additional LWS_SEND_BUFFER_POST_PADDING bytes valid
* in the buffer after (buf + len). This is so the protocol
* header and trailer data can be added in-situ.
* @len: Count of the data bytes in the payload starting from buf
* @protocol: Use LWS_WRITE_HTTP to reply to an http connection, and one
* of LWS_WRITE_BINARY or LWS_WRITE_TEXT to send appropriate
* data on a websockets connection. Remember to allow the extra
* bytes before and after buf if LWS_WRITE_BINARY or LWS_WRITE_TEXT
* are used.
*
* This function provides the way to issue data back to the client
* for both http and websocket protocols.
*
* In the case of sending using websocket protocol, be sure to allocate
* valid storage before and after buf as explained above. This scheme
* allows maximum efficiency of sending data and protocol in a single
* packet while not burdening the user code with any protocol knowledge.
*
* Return may be -1 for a fatal error needing connection close, or a
* positive number reflecting the amount of bytes actually sent. This
* can be less than the requested number of bytes due to OS memory
* pressure at any given time.
*/
LWS_VISIBLE int libwebsocket_write(struct libwebsocket *wsi, unsigned char *buf,
size_t len, enum libwebsocket_write_protocol protocol)
{
int n;
int pre = 0;
int post = 0;
int masked7 = wsi->mode == LWS_CONNMODE_WS_CLIENT;
unsigned char *dropmask = NULL;
unsigned char is_masked_bit = 0;
size_t orig_len = len;
struct lws_tokens eff_buf;
if (len == 0 && protocol != LWS_WRITE_CLOSE &&
protocol != LWS_WRITE_PING && protocol != LWS_WRITE_PONG) {
lwsl_warn("zero length libwebsocket_write attempt\n");
return 0;
}
if (protocol == LWS_WRITE_HTTP)
goto send_raw;
/* websocket protocol, either binary or text */
if (wsi->state != WSI_STATE_ESTABLISHED)
return -1;
/* if we are continuing a frame that already had its header done */
if (wsi->u.ws.inside_frame)
goto do_more_inside_frame;
/* if he wants all partials buffered, never have a clean_buffer */
wsi->u.ws.clean_buffer = !wsi->protocol->no_buffer_all_partial_tx;
/*
* give a chance to the extensions to modify payload
* pre-TX mangling is not allowed to truncate
*/
eff_buf.token = (char *)buf;
eff_buf.token_len = len;
switch (protocol) {
case LWS_WRITE_PING:
case LWS_WRITE_PONG:
case LWS_WRITE_CLOSE:
break;
default:
if (lws_ext_callback_for_each_active(wsi,
LWS_EXT_CALLBACK_PAYLOAD_TX, &eff_buf, 0) < 0)
return -1;
}
/*
* an extension did something we need to keep... for example, if
* compression extension, it has already updated its state according
* to this being issued
*/
if ((char *)buf != eff_buf.token)
/*
* extension recreated it:
* need to buffer this if not all sent
*/
wsi->u.ws.clean_buffer = 0;
buf = (unsigned char *)eff_buf.token;
len = eff_buf.token_len;
switch (wsi->ietf_spec_revision) {
case 13:
if (masked7) {
pre += 4;
dropmask = &buf[0 - pre];
is_masked_bit = 0x80;
}
switch (protocol & 0xf) {
case LWS_WRITE_TEXT:
n = LWS_WS_OPCODE_07__TEXT_FRAME;
break;
case LWS_WRITE_BINARY:
n = LWS_WS_OPCODE_07__BINARY_FRAME;
break;
case LWS_WRITE_CONTINUATION:
n = LWS_WS_OPCODE_07__CONTINUATION;
break;
case LWS_WRITE_CLOSE:
n = LWS_WS_OPCODE_07__CLOSE;
/*
* 06+ has a 2-byte status code in network order
* we can do this because we demand post-buf
*/
if (wsi->u.ws.close_reason) {
/* reason codes count as data bytes */
buf -= 2;
buf[0] = wsi->u.ws.close_reason >> 8;
buf[1] = wsi->u.ws.close_reason;
len += 2;
}
break;
case LWS_WRITE_PING:
n = LWS_WS_OPCODE_07__PING;
break;
case LWS_WRITE_PONG:
n = LWS_WS_OPCODE_07__PONG;
break;
default:
lwsl_warn("lws_write: unknown write opc / protocol\n");
return -1;
}
if (!(protocol & LWS_WRITE_NO_FIN))
n |= 1 << 7;
if (len < 126) {
pre += 2;
buf[-pre] = n;
buf[-pre + 1] = len | is_masked_bit;
} else {
if (len < 65536) {
pre += 4;
buf[-pre] = n;
buf[-pre + 1] = 126 | is_masked_bit;
buf[-pre + 2] = len >> 8;
buf[-pre + 3] = len;
} else {
pre += 10;
buf[-pre] = n;
buf[-pre + 1] = 127 | is_masked_bit;
#if defined __LP64__
buf[-pre + 2] = (len >> 56) & 0x7f;
buf[-pre + 3] = len >> 48;
buf[-pre + 4] = len >> 40;
buf[-pre + 5] = len >> 32;
#else
buf[-pre + 2] = 0;
buf[-pre + 3] = 0;
buf[-pre + 4] = 0;
buf[-pre + 5] = 0;
#endif
buf[-pre + 6] = len >> 24;
buf[-pre + 7] = len >> 16;
buf[-pre + 8] = len >> 8;
buf[-pre + 9] = len;
}
}
break;
}
do_more_inside_frame:
/*
* Deal with masking if we are in client -> server direction and
* the protocol demands it
*/
if (wsi->mode == LWS_CONNMODE_WS_CLIENT) {
if (!wsi->u.ws.inside_frame)
if (libwebsocket_0405_frame_mask_generate(wsi)) {
lwsl_err("frame mask generation failed\n");
return -1;
}
/*
* in v7, just mask the payload
*/
if (dropmask) { /* never set if already inside frame */
for (n = 4; n < (int)len + 4; n++)
dropmask[n] = dropmask[n] ^
wsi->u.ws.frame_masking_nonce_04[
(wsi->u.ws.frame_mask_index++) & 3];
/* copy the frame nonce into place */
memcpy(dropmask, wsi->u.ws.frame_masking_nonce_04, 4);
}
}
send_raw:
switch (protocol) {
case LWS_WRITE_CLOSE:
/* lwsl_hexdump(&buf[-pre], len + post); */
case LWS_WRITE_HTTP:
case LWS_WRITE_PONG:
case LWS_WRITE_PING:
return lws_issue_raw(wsi, (unsigned char *)buf - pre,
len + pre + post);
default:
break;
}
wsi->u.ws.inside_frame = 1;
/*
* give any active extensions a chance to munge the buffer
* before send. We pass in a pointer to an lws_tokens struct
* prepared with the default buffer and content length that's in
* there. Rather than rewrite the default buffer, extensions
* that expect to grow the buffer can adapt .token to
* point to their own per-connection buffer in the extension
* user allocation. By default with no extensions or no
* extension callback handling, just the normal input buffer is
* used then so it is efficient.
*
* callback returns 1 in case it wants to spill more buffers
*
* This takes care of holding the buffer if send is incomplete, ie,
* if wsi->u.ws.clean_buffer is 0 (meaning an extension meddled with
* the buffer). If wsi->u.ws.clean_buffer is 1, it will instead
* return to the user code how much OF THE USER BUFFER was consumed.
*/
n = lws_issue_raw_ext_access(wsi, buf - pre, len + pre + post);
if (n <= 0)
return n;
if (n == len + pre + post) {
/* everything in the buffer was handled (or rebuffered...) */
wsi->u.ws.inside_frame = 0;
return orig_len;
}
/*
* it is how many bytes of user buffer got sent... may be < orig_len
* in which case callback when writable has already been arranged
* and user code can call libwebsocket_write() again with the rest
* later.
*/
return n - (pre + post);
}
LWS_VISIBLE int libwebsockets_serve_http_file_fragment(
struct libwebsocket_context *context, struct libwebsocket *wsi)
{
int n;
int m;
while (!lws_send_pipe_choked(wsi)) {
if (wsi->truncated_send_len) {
if (lws_issue_raw(wsi, wsi->truncated_send_malloc +
wsi->truncated_send_offset,
wsi->truncated_send_len) < 0) {
lwsl_info("closing from libwebsockets_serve_http_file_fragment\n");
return -1;
}
continue;
}
if (wsi->u.http.filepos == wsi->u.http.filelen)
goto all_sent;
compatible_file_read(n, wsi->u.http.fd, context->service_buffer,
sizeof(context->service_buffer));
if (n < 0)
return -1; /* caller will close */
if (n) {
m = libwebsocket_write(wsi, context->service_buffer, n,
LWS_WRITE_HTTP);
if (m < 0)
return -1;
wsi->u.http.filepos += m;
if (m != n)
/* adjust for what was not sent */
compatible_file_seek_cur(wsi->u.http.fd, m - n);
}
all_sent:
if (!wsi->truncated_send_len &&
wsi->u.http.filepos == wsi->u.http.filelen) {
wsi->state = WSI_STATE_HTTP;
if (wsi->protocol->callback)
/* ignore callback returned value */
user_callback_handle_rxflow(
wsi->protocol->callback, context, wsi,
LWS_CALLBACK_HTTP_FILE_COMPLETION,
wsi->user_space, NULL, 0);
return 1; /* >0 indicates completed */
}
}
lwsl_info("choked before able to send whole file (post)\n");
libwebsocket_callback_on_writable(context, wsi);
return 0; /* indicates further processing must be done */
}
LWS_VISIBLE int
lws_ssl_capable_read_no_ssl(struct libwebsocket *wsi, unsigned char *buf, int len)
{
int n;
n = recv(wsi->sock, buf, len, 0);
if (n >= 0)
return n;
lwsl_warn("error on reading from skt\n");
return LWS_SSL_CAPABLE_ERROR;
}
LWS_VISIBLE int
lws_ssl_capable_write_no_ssl(struct libwebsocket *wsi, unsigned char *buf, int len)
{
int n;
n = send(wsi->sock, buf, len, 0);
if (n >= 0)
return n;
if (LWS_ERRNO == LWS_EAGAIN ||
LWS_ERRNO == LWS_EWOULDBLOCK ||
LWS_ERRNO == LWS_EINTR) {
if (LWS_ERRNO == LWS_EWOULDBLOCK)
lws_set_blocking_send(wsi);
return LWS_SSL_CAPABLE_MORE_SERVICE;
}
lwsl_debug("ERROR writing len %d to skt %d\n", len, n);
return LWS_SSL_CAPABLE_ERROR;
}

1008
dependencies/libwebsockets/lib/parsers.c vendored Normal file
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239
dependencies/libwebsockets/lib/pollfd.c vendored Normal file
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@ -0,0 +1,239 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2014 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
int
insert_wsi_socket_into_fds(struct libwebsocket_context *context,
struct libwebsocket *wsi)
{
struct libwebsocket_pollargs pa = { wsi->sock, LWS_POLLIN, 0 };
if (context->fds_count >= context->max_fds) {
lwsl_err("Too many fds (%d)\n", context->max_fds);
return 1;
}
if (wsi->sock >= context->max_fds) {
lwsl_err("Socket fd %d is too high (%d)\n",
wsi->sock, context->max_fds);
return 1;
}
assert(wsi);
assert(wsi->sock >= 0);
lwsl_info("insert_wsi_socket_into_fds: wsi=%p, sock=%d, fds pos=%d\n",
wsi, wsi->sock, context->fds_count);
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_LOCK_POLL,
wsi->user_space, (void *) &pa, 0);
context->lws_lookup[wsi->sock] = wsi;
wsi->position_in_fds_table = context->fds_count;
context->fds[context->fds_count].fd = wsi->sock;
context->fds[context->fds_count].events = LWS_POLLIN;
lws_plat_insert_socket_into_fds(context, wsi);
/* external POLL support via protocol 0 */
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_ADD_POLL_FD,
wsi->user_space, (void *) &pa, 0);
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_UNLOCK_POLL,
wsi->user_space, (void *)&pa, 0);
return 0;
}
int
remove_wsi_socket_from_fds(struct libwebsocket_context *context,
struct libwebsocket *wsi)
{
int m;
struct libwebsocket_pollargs pa = { wsi->sock, 0, 0 };
lws_libev_io(context, wsi, LWS_EV_STOP | LWS_EV_READ | LWS_EV_WRITE);
if (!--context->fds_count) {
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_LOCK_POLL,
wsi->user_space, (void *) &pa, 0);
goto do_ext;
}
if (wsi->sock > context->max_fds) {
lwsl_err("Socket fd %d too high (%d)\n",
wsi->sock, context->max_fds);
return 1;
}
lwsl_info("%s: wsi=%p, sock=%d, fds pos=%d\n", __func__,
wsi, wsi->sock, wsi->position_in_fds_table);
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_LOCK_POLL,
wsi->user_space, (void *)&pa, 0);
m = wsi->position_in_fds_table; /* replace the contents for this */
/* have the last guy take up the vacant slot */
context->fds[m] = context->fds[context->fds_count];
lws_plat_delete_socket_from_fds(context, wsi, m);
/*
* end guy's fds_lookup entry remains unchanged
* (still same fd pointing to same wsi)
*/
/* end guy's "position in fds table" changed */
context->lws_lookup[context->fds[context->fds_count].fd]->
position_in_fds_table = m;
/* deletion guy's lws_lookup entry needs nuking */
context->lws_lookup[wsi->sock] = NULL;
/* removed wsi has no position any more */
wsi->position_in_fds_table = -1;
do_ext:
/* remove also from external POLL support via protocol 0 */
if (wsi->sock) {
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_DEL_POLL_FD, wsi->user_space,
(void *) &pa, 0);
}
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_UNLOCK_POLL,
wsi->user_space, (void *) &pa, 0);
return 0;
}
int
lws_change_pollfd(struct libwebsocket *wsi, int _and, int _or)
{
struct libwebsocket_context *context = wsi->protocol->owning_server;
int tid;
int sampled_tid;
struct libwebsocket_pollfd *pfd;
struct libwebsocket_pollargs pa;
pfd = &context->fds[wsi->position_in_fds_table];
pa.fd = wsi->sock;
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_LOCK_POLL, wsi->user_space, (void *) &pa, 0);
pa.prev_events = pfd->events;
pa.events = pfd->events = (pfd->events & ~_and) | _or;
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_CHANGE_MODE_POLL_FD,
wsi->user_space, (void *) &pa, 0);
/*
* if we changed something in this pollfd...
* ... and we're running in a different thread context
* than the service thread...
* ... and the service thread is waiting ...
* then cancel it to force a restart with our changed events
*/
if (pa.prev_events != pa.events) {
if (lws_plat_change_pollfd(context, wsi, pfd)) {
lwsl_info("%s failed\n", __func__);
return 1;
}
sampled_tid = context->service_tid;
if (sampled_tid) {
tid = context->protocols[0].callback(context, NULL,
LWS_CALLBACK_GET_THREAD_ID, NULL, NULL, 0);
if (tid != sampled_tid)
libwebsocket_cancel_service(context);
}
}
context->protocols[0].callback(context, wsi,
LWS_CALLBACK_UNLOCK_POLL, wsi->user_space, (void *) &pa, 0);
return 0;
}
/**
* libwebsocket_callback_on_writable() - Request a callback when this socket
* becomes able to be written to without
* blocking
*
* @context: libwebsockets context
* @wsi: Websocket connection instance to get callback for
*/
LWS_VISIBLE int
libwebsocket_callback_on_writable(struct libwebsocket_context *context,
struct libwebsocket *wsi)
{
if (lws_ext_callback_for_each_active(wsi,
LWS_EXT_CALLBACK_REQUEST_ON_WRITEABLE, NULL, 0))
return 1;
if (wsi->position_in_fds_table < 0) {
lwsl_err("%s: failed to find socket %d\n", __func__, wsi->sock);
return -1;
}
if (lws_change_pollfd(wsi, 0, LWS_POLLOUT))
return -1;
lws_libev_io(context, wsi, LWS_EV_START | LWS_EV_WRITE);
return 1;
}
/**
* libwebsocket_callback_on_writable_all_protocol() - Request a callback for
* all connections using the given protocol when it
* becomes possible to write to each socket without
* blocking in turn.
*
* @protocol: Protocol whose connections will get callbacks
*/
LWS_VISIBLE int
libwebsocket_callback_on_writable_all_protocol(
const struct libwebsocket_protocols *protocol)
{
struct libwebsocket_context *context = protocol->owning_server;
int n;
struct libwebsocket *wsi;
for (n = 0; n < context->fds_count; n++) {
wsi = context->lws_lookup[context->fds[n].fd];
if (!wsi)
continue;
if (wsi->protocol == protocol)
libwebsocket_callback_on_writable(context, wsi);
}
return 0;
}

912
dependencies/libwebsockets/lib/private-libwebsockets.h vendored Normal file
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@ -0,0 +1,912 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010 - 2013 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
/* System introspection configs */
#ifdef CMAKE_BUILD
#include "lws_config.h"
#else
#if defined(WIN32) || defined(_WIN32)
#define inline __inline
#else /* not WIN32 */
#include "config.h"
#endif /* not WIN32 */
#endif /* not CMAKE */
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <time.h>
#include <ctype.h>
#include <limits.h>
#include <stdarg.h>
#ifdef HAVE_SYS_STAT_H
#include <sys/stat.h>
#endif
#if defined(WIN32) || defined(_WIN32)
#define LWS_NO_DAEMONIZE
#define LWS_ERRNO WSAGetLastError()
#define LWS_EAGAIN WSAEWOULDBLOCK
#define LWS_EALREADY WSAEALREADY
#define LWS_EINPROGRESS WSAEINPROGRESS
#define LWS_EINTR WSAEINTR
#define LWS_EISCONN WSAEISCONN
#define LWS_EWOULDBLOCK WSAEWOULDBLOCK
#define LWS_POLLHUP (FD_CLOSE)
#define LWS_POLLIN (FD_READ | FD_ACCEPT)
#define LWS_POLLOUT (FD_WRITE)
#define MSG_NOSIGNAL 0
#define SHUT_RDWR SD_BOTH
#define SOL_TCP IPPROTO_TCP
#define compatible_close(fd) closesocket(fd)
#define compatible_file_close(fd) CloseHandle(fd)
#define compatible_file_seek_cur(fd, offset) SetFilePointer(fd, offset, NULL, FILE_CURRENT)
#define compatible_file_read(amount, fd, buf, len) {\
DWORD _amount; \
if (!ReadFile(fd, buf, len, &_amount, NULL)) \
amount = -1; \
else \
amount = _amount; \
}
#define lws_set_blocking_send(wsi) wsi->sock_send_blocking = TRUE
#include <winsock2.h>
#include <windows.h>
#include <tchar.h>
#ifdef HAVE_IN6ADDR_H
#include <in6addr.h>
#endif
#include <mstcpip.h>
#ifndef __func__
#define __func__ __FUNCTION__
#endif
#ifdef _WIN32_WCE
#define vsnprintf _vsnprintf
#endif
#define LWS_INVALID_FILE INVALID_HANDLE_VALUE
#else /* not windows --> */
#include <errno.h>
#include <fcntl.h>
#include <netdb.h>
#include <signal.h>
#include <strings.h>
#include <unistd.h>
#include <sys/types.h>
#include <sys/socket.h>
#ifdef LWS_BUILTIN_GETIFADDRS
#include <getifaddrs.h>
#else
#include <ifaddrs.h>
#endif
#include <sys/syslog.h>
#include <sys/un.h>
#include <sys/socket.h>
#include <netdb.h>
#ifndef LWS_NO_FORK
#ifdef HAVE_SYS_PRCTL_H
#include <sys/prctl.h>
#endif
#endif
#include <netinet/in.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>
#include <poll.h>
#ifdef LWS_USE_LIBEV
#include <ev.h>
#endif /* LWS_USE_LIBEV */
#include <sys/mman.h>
#include <sys/time.h>
#define LWS_ERRNO errno
#define LWS_EAGAIN EAGAIN
#define LWS_EALREADY EALREADY
#define LWS_EINPROGRESS EINPROGRESS
#define LWS_EINTR EINTR
#define LWS_EISCONN EISCONN
#define LWS_EWOULDBLOCK EWOULDBLOCK
#define LWS_INVALID_FILE -1
#define LWS_POLLHUP (POLLHUP|POLLERR)
#define LWS_POLLIN (POLLIN)
#define LWS_POLLOUT (POLLOUT)
#define compatible_close(fd) close(fd)
#define compatible_file_close(fd) close(fd)
#define compatible_file_seek_cur(fd, offset) lseek(fd, offset, SEEK_CUR)
#define compatible_file_read(amount, fd, buf, len) \
amount = read(fd, buf, len);
#define lws_set_blocking_send(wsi)
#endif
#ifndef HAVE_BZERO
#define bzero(b, len) (memset((b), '\0', (len)), (void) 0)
#endif
#ifndef HAVE_STRERROR
#define strerror(x) ""
#endif
#ifdef LWS_OPENSSL_SUPPORT
#ifdef USE_CYASSL
#include <cyassl/openssl/ssl.h>
#include <cyassl/error.h>
unsigned char *
SHA1(const unsigned char *d, size_t n, unsigned char *md);
#else
#include <openssl/ssl.h>
#include <openssl/evp.h>
#include <openssl/err.h>
#include <openssl/md5.h>
#include <openssl/sha.h>
#endif /* not USE_CYASSL */
#endif
#include "libwebsockets.h"
#if defined(WIN32) || defined(_WIN32)
#ifndef BIG_ENDIAN
#define BIG_ENDIAN 4321 /* to show byte order (taken from gcc) */
#endif
#ifndef LITTLE_ENDIAN
#define LITTLE_ENDIAN 1234
#endif
#ifndef BYTE_ORDER
#define BYTE_ORDER LITTLE_ENDIAN
#endif
typedef unsigned __int64 u_int64_t;
#undef __P
#ifndef __P
#if __STDC__
#define __P(protos) protos
#else
#define __P(protos) ()
#endif
#endif
#else
#include <sys/stat.h>
#include <sys/cdefs.h>
#include <sys/time.h>
#if defined(__APPLE__)
#include <machine/endian.h>
#elif defined(__FreeBSD__)
#include <sys/endian.h>
#elif defined(__linux__)
#include <endian.h>
#endif
#if !defined(BYTE_ORDER)
# define BYTE_ORDER __BYTE_ORDER
#endif
#if !defined(LITTLE_ENDIAN)
# define LITTLE_ENDIAN __LITTLE_ENDIAN
#endif
#if !defined(BIG_ENDIAN)
# define BIG_ENDIAN __BIG_ENDIAN
#endif
#endif
/*
* Mac OSX as well as iOS do not define the MSG_NOSIGNAL flag,
* but happily have something equivalent in the SO_NOSIGPIPE flag.
*/
#ifdef __APPLE__
#define MSG_NOSIGNAL SO_NOSIGPIPE
#endif
#ifndef LWS_MAX_HEADER_LEN
#define LWS_MAX_HEADER_LEN 1024
#endif
#ifndef LWS_MAX_PROTOCOLS
#define LWS_MAX_PROTOCOLS 5
#endif
#ifndef LWS_MAX_EXTENSIONS_ACTIVE
#define LWS_MAX_EXTENSIONS_ACTIVE 3
#endif
#ifndef SPEC_LATEST_SUPPORTED
#define SPEC_LATEST_SUPPORTED 13
#endif
#ifndef AWAITING_TIMEOUT
#define AWAITING_TIMEOUT 5
#endif
#ifndef CIPHERS_LIST_STRING
#define CIPHERS_LIST_STRING "DEFAULT"
#endif
#ifndef LWS_SOMAXCONN
#define LWS_SOMAXCONN SOMAXCONN
#endif
#define MAX_WEBSOCKET_04_KEY_LEN 128
#define LWS_MAX_SOCKET_IO_BUF 4096
#ifndef SYSTEM_RANDOM_FILEPATH
#define SYSTEM_RANDOM_FILEPATH "/dev/urandom"
#endif
#ifndef LWS_MAX_ZLIB_CONN_BUFFER
#define LWS_MAX_ZLIB_CONN_BUFFER (64 * 1024)
#endif
/*
* if not in a connection storm, check for incoming
* connections this many normal connection services
*/
#define LWS_LISTEN_SERVICE_MODULO 10
enum lws_websocket_opcodes_07 {
LWS_WS_OPCODE_07__CONTINUATION = 0,
LWS_WS_OPCODE_07__TEXT_FRAME = 1,
LWS_WS_OPCODE_07__BINARY_FRAME = 2,
LWS_WS_OPCODE_07__NOSPEC__MUX = 7,
/* control extensions 8+ */
LWS_WS_OPCODE_07__CLOSE = 8,
LWS_WS_OPCODE_07__PING = 9,
LWS_WS_OPCODE_07__PONG = 0xa,
};
enum lws_connection_states {
WSI_STATE_HTTP,
WSI_STATE_HTTP_ISSUING_FILE,
WSI_STATE_HTTP_HEADERS,
WSI_STATE_HTTP_BODY,
WSI_STATE_DEAD_SOCKET,
WSI_STATE_ESTABLISHED,
WSI_STATE_CLIENT_UNCONNECTED,
WSI_STATE_RETURNED_CLOSE_ALREADY,
WSI_STATE_AWAITING_CLOSE_ACK,
WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE,
};
enum lws_rx_parse_state {
LWS_RXPS_NEW,
LWS_RXPS_04_MASK_NONCE_1,
LWS_RXPS_04_MASK_NONCE_2,
LWS_RXPS_04_MASK_NONCE_3,
LWS_RXPS_04_FRAME_HDR_1,
LWS_RXPS_04_FRAME_HDR_LEN,
LWS_RXPS_04_FRAME_HDR_LEN16_2,
LWS_RXPS_04_FRAME_HDR_LEN16_1,
LWS_RXPS_04_FRAME_HDR_LEN64_8,
LWS_RXPS_04_FRAME_HDR_LEN64_7,
LWS_RXPS_04_FRAME_HDR_LEN64_6,
LWS_RXPS_04_FRAME_HDR_LEN64_5,
LWS_RXPS_04_FRAME_HDR_LEN64_4,
LWS_RXPS_04_FRAME_HDR_LEN64_3,
LWS_RXPS_04_FRAME_HDR_LEN64_2,
LWS_RXPS_04_FRAME_HDR_LEN64_1,
LWS_RXPS_07_COLLECT_FRAME_KEY_1,
LWS_RXPS_07_COLLECT_FRAME_KEY_2,
LWS_RXPS_07_COLLECT_FRAME_KEY_3,
LWS_RXPS_07_COLLECT_FRAME_KEY_4,
LWS_RXPS_PAYLOAD_UNTIL_LENGTH_EXHAUSTED
};
enum connection_mode {
LWS_CONNMODE_HTTP_SERVING,
LWS_CONNMODE_HTTP_SERVING_ACCEPTED, /* actual HTTP service going on */
LWS_CONNMODE_PRE_WS_SERVING_ACCEPT,
LWS_CONNMODE_WS_SERVING,
LWS_CONNMODE_WS_CLIENT,
/* transient, ssl delay hiding */
LWS_CONNMODE_SSL_ACK_PENDING,
/* transient modes */
LWS_CONNMODE_WS_CLIENT_WAITING_CONNECT,
LWS_CONNMODE_WS_CLIENT_WAITING_PROXY_REPLY,
LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE,
LWS_CONNMODE_WS_CLIENT_ISSUE_HANDSHAKE2,
LWS_CONNMODE_WS_CLIENT_WAITING_SSL,
LWS_CONNMODE_WS_CLIENT_WAITING_SERVER_REPLY,
LWS_CONNMODE_WS_CLIENT_WAITING_EXTENSION_CONNECT,
LWS_CONNMODE_WS_CLIENT_PENDING_CANDIDATE_CHILD,
/* special internal types */
LWS_CONNMODE_SERVER_LISTENER,
};
enum {
LWS_RXFLOW_ALLOW = (1 << 0),
LWS_RXFLOW_PENDING_CHANGE = (1 << 1),
};
struct libwebsocket_protocols;
struct libwebsocket;
#ifdef LWS_USE_LIBEV
struct lws_io_watcher {
struct ev_io watcher;
struct libwebsocket_context* context;
};
struct lws_signal_watcher {
struct ev_signal watcher;
struct libwebsocket_context* context;
};
#endif /* LWS_USE_LIBEV */
struct libwebsocket_context {
#ifdef _WIN32
WSAEVENT *events;
#endif
struct libwebsocket_pollfd *fds;
struct libwebsocket **lws_lookup; /* fd to wsi */
int fds_count;
#ifdef LWS_USE_LIBEV
struct ev_loop* io_loop;
struct lws_io_watcher w_accept;
struct lws_signal_watcher w_sigint;
#endif /* LWS_USE_LIBEV */
int max_fds;
int listen_port;
const char *iface;
char http_proxy_address[128];
char canonical_hostname[128];
unsigned int http_proxy_port;
unsigned int options;
time_t last_timeout_check_s;
/*
* usable by anything in the service code, but only if the scope
* does not last longer than the service action (since next service
* of any socket can likewise use it and overwrite)
*/
unsigned char service_buffer[LWS_MAX_SOCKET_IO_BUF];
int started_with_parent;
int fd_random;
int listen_service_modulo;
int listen_service_count;
int listen_service_fd;
int listen_service_extraseen;
/*
* set to the Thread ID that's doing the service loop just before entry
* to poll indicates service thread likely idling in poll()
* volatile because other threads may check it as part of processing
* for pollfd event change.
*/
volatile int service_tid;
#ifndef _WIN32
int dummy_pipe_fds[2];
#endif
int ka_time;
int ka_probes;
int ka_interval;
#ifdef LWS_LATENCY
unsigned long worst_latency;
char worst_latency_info[256];
#endif
#ifdef LWS_OPENSSL_SUPPORT
int use_ssl;
int allow_non_ssl_on_ssl_port;
SSL_CTX *ssl_ctx;
SSL_CTX *ssl_client_ctx;
#endif
struct libwebsocket_protocols *protocols;
int count_protocols;
#ifndef LWS_NO_EXTENSIONS
struct libwebsocket_extension *extensions;
#endif
struct lws_token_limits *token_limits;
void *user_space;
};
enum {
LWS_EV_READ = (1 << 0),
LWS_EV_WRITE = (1 << 1),
LWS_EV_START = (1 << 2),
LWS_EV_STOP = (1 << 3),
};
#ifdef LWS_USE_LIBEV
#define LWS_LIBEV_ENABLED(context) (context->options & LWS_SERVER_OPTION_LIBEV)
LWS_EXTERN void lws_feature_status_libev(struct lws_context_creation_info *info);
LWS_EXTERN void
lws_libev_accept(struct libwebsocket_context *context,
struct libwebsocket *new_wsi, int accept_fd);
LWS_EXTERN void
lws_libev_io(struct libwebsocket_context *context,
struct libwebsocket *wsi, int flags);
LWS_EXTERN int
lws_libev_init_fd_table(struct libwebsocket_context *context);
LWS_EXTERN void
lws_libev_run(struct libwebsocket_context *context);
#else
#define LWS_LIBEV_ENABLED(context) (0)
#define lws_feature_status_libev(_a) \
lwsl_notice("libev support not compiled in\n")
#define lws_libev_accept(_a, _b, _c) ((void) 0)
#define lws_libev_io(_a, _b, _c) ((void) 0)
#define lws_libev_init_fd_table(_a) (0)
#define lws_libev_run(_a) ((void) 0)
#endif
#ifdef LWS_USE_IPV6
#define LWS_IPV6_ENABLED(context) (!(context->options & LWS_SERVER_OPTION_DISABLE_IPV6))
#else
#define LWS_IPV6_ENABLED(context) (0)
#endif
enum uri_path_states {
URIPS_IDLE,
URIPS_SEEN_SLASH,
URIPS_SEEN_SLASH_DOT,
URIPS_SEEN_SLASH_DOT_DOT,
URIPS_ARGUMENTS,
};
enum uri_esc_states {
URIES_IDLE,
URIES_SEEN_PERCENT,
URIES_SEEN_PERCENT_H1,
};
/*
* This is totally opaque to code using the library. It's exported as a
* forward-reference pointer-only declaration; the user can use the pointer with
* other APIs to get information out of it.
*/
struct lws_fragments {
unsigned short offset;
unsigned short len;
unsigned char next_frag_index;
};
struct allocated_headers {
unsigned short next_frag_index;
unsigned short pos;
unsigned char frag_index[WSI_TOKEN_COUNT];
struct lws_fragments frags[WSI_TOKEN_COUNT * 2];
char data[LWS_MAX_HEADER_LEN];
#ifndef LWS_NO_CLIENT
char initial_handshake_hash_base64[30];
unsigned short c_port;
#endif
};
struct _lws_http_mode_related {
struct allocated_headers *ah; /* mirroring _lws_header_related */
#if defined(WIN32) || defined(_WIN32)
HANDLE fd;
#else
int fd;
#endif
unsigned long filepos;
unsigned long filelen;
int content_length;
int content_length_seen;
int body_index;
unsigned char *post_buffer;
};
struct _lws_header_related {
struct allocated_headers *ah;
short lextable_pos;
unsigned short current_token_limit;
unsigned char parser_state; /* enum lws_token_indexes */
enum uri_path_states ups;
enum uri_esc_states ues;
char esc_stash;
};
struct _lws_websocket_related {
char *rx_user_buffer;
int rx_user_buffer_head;
unsigned char frame_masking_nonce_04[4];
unsigned char frame_mask_index;
size_t rx_packet_length;
unsigned char opcode;
unsigned int final:1;
unsigned char rsv;
unsigned int frame_is_binary:1;
unsigned int all_zero_nonce:1;
short close_reason; /* enum lws_close_status */
unsigned char *rxflow_buffer;
int rxflow_len;
int rxflow_pos;
unsigned int rxflow_change_to:2;
unsigned int this_frame_masked:1;
unsigned int inside_frame:1; /* next write will be more of frame */
unsigned int clean_buffer:1; /* buffer not rewritten by extension */
};
struct libwebsocket {
/* lifetime members */
#ifdef LWS_USE_LIBEV
struct lws_io_watcher w_read;
struct lws_io_watcher w_write;
#endif /* LWS_USE_LIBEV */
const struct libwebsocket_protocols *protocol;
#ifndef LWS_NO_EXTENSIONS
struct libwebsocket_extension *
active_extensions[LWS_MAX_EXTENSIONS_ACTIVE];
void *active_extensions_user[LWS_MAX_EXTENSIONS_ACTIVE];
unsigned char count_active_extensions;
unsigned int extension_data_pending:1;
#endif
unsigned char ietf_spec_revision;
char mode; /* enum connection_mode */
char state; /* enum lws_connection_states */
char lws_rx_parse_state; /* enum lws_rx_parse_state */
char rx_frame_type; /* enum libwebsocket_write_protocol */
unsigned int hdr_parsing_completed:1;
unsigned int user_space_externally_allocated:1;
char pending_timeout; /* enum pending_timeout */
time_t pending_timeout_limit;
int sock;
int position_in_fds_table;
#ifdef LWS_LATENCY
unsigned long action_start;
unsigned long latency_start;
#endif
/* truncated send handling */
unsigned char *truncated_send_malloc; /* non-NULL means buffering in progress */
unsigned int truncated_send_allocation; /* size of malloc */
unsigned int truncated_send_offset; /* where we are in terms of spilling */
unsigned int truncated_send_len; /* how much is buffered */
void *user_space;
/* members with mutually exclusive lifetimes are unionized */
union u {
struct _lws_http_mode_related http;
struct _lws_header_related hdr;
struct _lws_websocket_related ws;
} u;
#ifdef LWS_OPENSSL_SUPPORT
SSL *ssl;
BIO *client_bio;
unsigned int use_ssl:2;
#endif
#ifdef _WIN32
BOOL sock_send_blocking;
#endif
};
LWS_EXTERN int log_level;
LWS_EXTERN void
libwebsocket_close_and_free_session(struct libwebsocket_context *context,
struct libwebsocket *wsi, enum lws_close_status);
LWS_EXTERN int
remove_wsi_socket_from_fds(struct libwebsocket_context *context,
struct libwebsocket *wsi);
#ifndef LWS_LATENCY
static inline void lws_latency(struct libwebsocket_context *context,
struct libwebsocket *wsi, const char *action,
int ret, int completion) { while (0); }
static inline void lws_latency_pre(struct libwebsocket_context *context,
struct libwebsocket *wsi) { while (0); }
#else
#define lws_latency_pre(_context, _wsi) lws_latency(_context, _wsi, NULL, 0, 0)
extern void
lws_latency(struct libwebsocket_context *context,
struct libwebsocket *wsi, const char *action,
int ret, int completion);
#endif
LWS_EXTERN int
libwebsocket_client_rx_sm(struct libwebsocket *wsi, unsigned char c);
LWS_EXTERN int
libwebsocket_parse(struct libwebsocket_context *context,
struct libwebsocket *wsi, unsigned char c);
LWS_EXTERN int
lws_b64_selftest(void);
LWS_EXTERN struct libwebsocket *
wsi_from_fd(struct libwebsocket_context *context, int fd);
LWS_EXTERN int
insert_wsi_socket_into_fds(struct libwebsocket_context *context,
struct libwebsocket *wsi);
LWS_EXTERN int
lws_issue_raw(struct libwebsocket *wsi, unsigned char *buf, size_t len);
LWS_EXTERN int
libwebsocket_service_timeout_check(struct libwebsocket_context *context,
struct libwebsocket *wsi, unsigned int sec);
LWS_EXTERN struct libwebsocket *
libwebsocket_client_connect_2(struct libwebsocket_context *context,
struct libwebsocket *wsi);
LWS_EXTERN struct libwebsocket *
libwebsocket_create_new_server_wsi(struct libwebsocket_context *context);
LWS_EXTERN char *
libwebsockets_generate_client_handshake(struct libwebsocket_context *context,
struct libwebsocket *wsi, char *pkt);
LWS_EXTERN int
lws_handle_POLLOUT_event(struct libwebsocket_context *context,
struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd);
/*
* EXTENSIONS
*/
#ifndef LWS_NO_EXTENSIONS
LWS_VISIBLE void
lws_context_init_extensions(struct lws_context_creation_info *info,
struct libwebsocket_context *context);
LWS_EXTERN int
lws_any_extension_handled(struct libwebsocket_context *context,
struct libwebsocket *wsi,
enum libwebsocket_extension_callback_reasons r,
void *v, size_t len);
LWS_EXTERN int
lws_ext_callback_for_each_active(struct libwebsocket *wsi, int reason,
void *buf, int len);
LWS_EXTERN int
lws_ext_callback_for_each_extension_type(
struct libwebsocket_context *context, struct libwebsocket *wsi,
int reason, void *arg, int len);
#else
#define lws_any_extension_handled(_a, _b, _c, _d, _e) (0)
#define lws_ext_callback_for_each_active(_a, _b, _c, _d) (0)
#define lws_ext_callback_for_each_extension_type(_a, _b, _c, _d, _e) (0)
#define lws_issue_raw_ext_access lws_issue_raw
#define lws_context_init_extensions(_a, _b)
#endif
LWS_EXTERN int
lws_client_interpret_server_handshake(struct libwebsocket_context *context,
struct libwebsocket *wsi);
LWS_EXTERN int
libwebsocket_rx_sm(struct libwebsocket *wsi, unsigned char c);
LWS_EXTERN int
lws_issue_raw_ext_access(struct libwebsocket *wsi,
unsigned char *buf, size_t len);
LWS_EXTERN int
_libwebsocket_rx_flow_control(struct libwebsocket *wsi);
LWS_EXTERN int
user_callback_handle_rxflow(callback_function,
struct libwebsocket_context *context,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason, void *user,
void *in, size_t len);
LWS_EXTERN int
lws_plat_set_socket_options(struct libwebsocket_context *context, int fd);
LWS_EXTERN int
lws_allocate_header_table(struct libwebsocket *wsi);
LWS_EXTERN char *
lws_hdr_simple_ptr(struct libwebsocket *wsi, enum lws_token_indexes h);
LWS_EXTERN int
lws_hdr_simple_create(struct libwebsocket *wsi,
enum lws_token_indexes h, const char *s);
LWS_EXTERN int
libwebsocket_ensure_user_space(struct libwebsocket *wsi);
LWS_EXTERN int
lws_change_pollfd(struct libwebsocket *wsi, int _and, int _or);
#ifndef LWS_NO_SERVER
int lws_context_init_server(struct lws_context_creation_info *info,
struct libwebsocket_context *context);
LWS_EXTERN int handshake_0405(struct libwebsocket_context *context,
struct libwebsocket *wsi);
LWS_EXTERN int
libwebsocket_interpret_incoming_packet(struct libwebsocket *wsi,
unsigned char *buf, size_t len);
LWS_EXTERN void
lws_server_get_canonical_hostname(struct libwebsocket_context *context,
struct lws_context_creation_info *info);
#else
#define lws_context_init_server(_a, _b) (0)
#define libwebsocket_interpret_incoming_packet(_a, _b, _c) (0)
#define lws_server_get_canonical_hostname(_a, _b)
#endif
#ifndef LWS_NO_DAEMONIZE
LWS_EXTERN int get_daemonize_pid();
#else
#define get_daemonize_pid() (0)
#endif
LWS_EXTERN int interface_to_sa(struct libwebsocket_context *context,
const char *ifname, struct sockaddr_in *addr, size_t addrlen);
LWS_EXTERN void lwsl_emit_stderr(int level, const char *line);
#ifdef _WIN32
LWS_EXTERN HANDLE lws_plat_open_file(const char* filename, unsigned long* filelen);
#else
LWS_EXTERN int lws_plat_open_file(const char* filename, unsigned long* filelen);
#endif
enum lws_ssl_capable_status {
LWS_SSL_CAPABLE_ERROR = -1,
LWS_SSL_CAPABLE_MORE_SERVICE = -2,
};
#ifndef LWS_OPENSSL_SUPPORT
#define LWS_SSL_ENABLED(context) (0)
unsigned char *
SHA1(const unsigned char *d, size_t n, unsigned char *md);
#define lws_context_init_server_ssl(_a, _b) (0)
#define lws_ssl_destroy(_a)
#define lws_context_init_http2_ssl(_a)
#define lws_ssl_pending(_a) (0)
#define lws_ssl_capable_read lws_ssl_capable_read_no_ssl
#define lws_ssl_capable_write lws_ssl_capable_write_no_ssl
#define lws_server_socket_service_ssl(_a, _b, _c, _d, _e) (0)
#define lws_ssl_close(_a) (0)
#define lws_ssl_context_destroy(_a)
#else
#define LWS_SSL_ENABLED(context) (context->use_ssl)
LWS_EXTERN int lws_ssl_pending(struct libwebsocket *wsi);
LWS_EXTERN int openssl_websocket_private_data_index;
LWS_EXTERN int
lws_ssl_capable_read(struct libwebsocket *wsi, unsigned char *buf, int len);
LWS_EXTERN int
lws_ssl_capable_write(struct libwebsocket *wsi, unsigned char *buf, int len);
LWS_EXTERN int
lws_server_socket_service_ssl(struct libwebsocket_context *context,
struct libwebsocket **wsi, struct libwebsocket *new_wsi,
int accept_fd, struct libwebsocket_pollfd *pollfd);
LWS_EXTERN int
lws_ssl_close(struct libwebsocket *wsi);
LWS_EXTERN void
lws_ssl_context_destroy(struct libwebsocket_context *context);
#ifndef LWS_NO_SERVER
LWS_EXTERN int
lws_context_init_server_ssl(struct lws_context_creation_info *info,
struct libwebsocket_context *context);
#else
#define lws_context_init_server_ssl(_a, _b) (0)
#endif
LWS_EXTERN void
lws_ssl_destroy(struct libwebsocket_context *context);
/* HTTP2-related */
#ifdef LWS_USE_HTTP2
LWS_EXTERN void
lws_context_init_http2_ssl(struct libwebsocket_context *context);
#else
#define lws_context_init_http2_ssl(_a)
#endif
#endif
LWS_EXTERN int
lws_ssl_capable_read_no_ssl(struct libwebsocket *wsi, unsigned char *buf, int len);
LWS_EXTERN int
lws_ssl_capable_write_no_ssl(struct libwebsocket *wsi, unsigned char *buf, int len);
#ifndef LWS_NO_CLIENT
LWS_EXTERN int lws_client_socket_service(
struct libwebsocket_context *context,
struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd);
#ifdef LWS_OPENSSL_SUPPORT
LWS_EXTERN int lws_context_init_client_ssl(struct lws_context_creation_info *info,
struct libwebsocket_context *context);
#else
#define lws_context_init_client_ssl(_a, _b) (0)
#endif
LWS_EXTERN int lws_handshake_client(struct libwebsocket *wsi, unsigned char **buf, size_t len);
LWS_EXTERN void
libwebsockets_decode_ssl_error(void);
#else
#define lws_context_init_client_ssl(_a, _b) (0)
#define lws_handshake_client(_a, _b, _c) (0)
#endif
#ifndef LWS_NO_SERVER
LWS_EXTERN int lws_server_socket_service(
struct libwebsocket_context *context,
struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd);
LWS_EXTERN int _libwebsocket_rx_flow_control(struct libwebsocket *wsi);
LWS_EXTERN int lws_handshake_server(struct libwebsocket_context *context,
struct libwebsocket *wsi, unsigned char **buf, size_t len);
#else
#define lws_server_socket_service(_a, _b, _c) (0)
#define _libwebsocket_rx_flow_control(_a) (0)
#define lws_handshake_server(_a, _b, _c, _d) (0)
#endif
/*
* lws_plat_
*/
LWS_EXTERN void
lws_plat_delete_socket_from_fds(struct libwebsocket_context *context,
struct libwebsocket *wsi, int m);
LWS_EXTERN void
lws_plat_insert_socket_into_fds(struct libwebsocket_context *context,
struct libwebsocket *wsi);
LWS_EXTERN void
lws_plat_service_periodic(struct libwebsocket_context *context);
LWS_EXTERN int
lws_plat_change_pollfd(struct libwebsocket_context *context,
struct libwebsocket *wsi, struct libwebsocket_pollfd *pfd);
LWS_EXTERN int
lws_plat_context_early_init(void);
LWS_EXTERN void
lws_plat_context_early_destroy(struct libwebsocket_context *context);
LWS_EXTERN void
lws_plat_context_late_destroy(struct libwebsocket_context *context);
LWS_EXTERN int
lws_poll_listen_fd(struct libwebsocket_pollfd *fd);
LWS_EXTERN int
lws_plat_service(struct libwebsocket_context *context, int timeout_ms);
LWS_EXTERN int
lws_plat_init_fd_tables(struct libwebsocket_context *context);
LWS_EXTERN void
lws_plat_drop_app_privileges(struct lws_context_creation_info *info);
LWS_EXTERN unsigned long long
time_in_microseconds(void);
LWS_EXTERN const char *
lws_plat_inet_ntop(int af, const void *src, char *dst, int cnt);

280
dependencies/libwebsockets/lib/server-handshake.c vendored Normal file
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@ -0,0 +1,280 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2013 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
#define LWS_CPYAPP(ptr, str) { strcpy(ptr, str); ptr += strlen(str); }
#ifndef LWS_NO_EXTENSIONS
LWS_VISIBLE int
lws_extension_server_handshake(struct libwebsocket_context *context,
struct libwebsocket *wsi, char **p)
{
int n;
char *c;
char ext_name[128];
struct libwebsocket_extension *ext;
int ext_count = 0;
int more = 1;
/*
* Figure out which extensions the client has that we want to
* enable on this connection, and give him back the list
*/
if (!lws_hdr_total_length(wsi, WSI_TOKEN_EXTENSIONS))
return 0;
/*
* break down the list of client extensions
* and go through them
*/
if (lws_hdr_copy(wsi, (char *)context->service_buffer,
sizeof(context->service_buffer),
WSI_TOKEN_EXTENSIONS) < 0)
return 1;
c = (char *)context->service_buffer;
lwsl_parser("WSI_TOKEN_EXTENSIONS = '%s'\n", c);
wsi->count_active_extensions = 0;
n = 0;
while (more) {
if (*c && (*c != ',' && *c != ' ' && *c != '\t')) {
ext_name[n] = *c++;
if (n < sizeof(ext_name) - 1)
n++;
continue;
}
ext_name[n] = '\0';
if (!*c)
more = 0;
else {
c++;
if (!n)
continue;
}
/* check a client's extension against our support */
ext = wsi->protocol->owning_server->extensions;
while (ext && ext->callback) {
if (strcmp(ext_name, ext->name)) {
ext++;
continue;
}
/*
* oh, we do support this one he
* asked for... but let's ask user
* code if it's OK to apply it on this
* particular connection + protocol
*/
n = wsi->protocol->owning_server->
protocols[0].callback(
wsi->protocol->owning_server,
wsi,
LWS_CALLBACK_CONFIRM_EXTENSION_OKAY,
wsi->user_space, ext_name, 0);
/*
* zero return from callback means
* go ahead and allow the extension,
* it's what we get if the callback is
* unhandled
*/
if (n) {
ext++;
continue;
}
/* apply it */
if (ext_count)
*(*p)++ = ',';
else
LWS_CPYAPP(*p,
"\x0d\x0aSec-WebSocket-Extensions: ");
*p += sprintf(*p, "%s", ext_name);
ext_count++;
/* instantiate the extension on this conn */
wsi->active_extensions_user[
wsi->count_active_extensions] =
malloc(ext->per_session_data_size);
if (wsi->active_extensions_user[
wsi->count_active_extensions] == NULL) {
lwsl_err("Out of mem\n");
return 1;
}
memset(wsi->active_extensions_user[
wsi->count_active_extensions], 0,
ext->per_session_data_size);
wsi->active_extensions[
wsi->count_active_extensions] = ext;
/* allow him to construct his context */
ext->callback(wsi->protocol->owning_server,
ext, wsi,
LWS_EXT_CALLBACK_CONSTRUCT,
wsi->active_extensions_user[
wsi->count_active_extensions], NULL, 0);
wsi->count_active_extensions++;
lwsl_parser("count_active_extensions <- %d\n",
wsi->count_active_extensions);
ext++;
}
n = 0;
}
return 0;
}
#endif
int
handshake_0405(struct libwebsocket_context *context, struct libwebsocket *wsi)
{
unsigned char hash[20];
int n;
char *response;
char *p;
int accept_len;
if (!lws_hdr_total_length(wsi, WSI_TOKEN_HOST) ||
!lws_hdr_total_length(wsi, WSI_TOKEN_KEY)) {
lwsl_parser("handshake_04 missing pieces\n");
/* completed header processing, but missing some bits */
goto bail;
}
if (lws_hdr_total_length(wsi, WSI_TOKEN_KEY) >=
MAX_WEBSOCKET_04_KEY_LEN) {
lwsl_warn("Client key too long %d\n", MAX_WEBSOCKET_04_KEY_LEN);
goto bail;
}
/*
* since key length is restricted above (currently 128), cannot
* overflow
*/
n = sprintf((char *)context->service_buffer,
"%s258EAFA5-E914-47DA-95CA-C5AB0DC85B11",
lws_hdr_simple_ptr(wsi, WSI_TOKEN_KEY));
SHA1(context->service_buffer, n, hash);
accept_len = lws_b64_encode_string((char *)hash, 20,
(char *)context->service_buffer,
sizeof(context->service_buffer));
if (accept_len < 0) {
lwsl_warn("Base64 encoded hash too long\n");
goto bail;
}
/* allocate the per-connection user memory (if any) */
if (libwebsocket_ensure_user_space(wsi))
goto bail;
/* create the response packet */
/* make a buffer big enough for everything */
response = (char *)context->service_buffer + MAX_WEBSOCKET_04_KEY_LEN;
p = response;
LWS_CPYAPP(p, "HTTP/1.1 101 Switching Protocols\x0d\x0a"
"Upgrade: WebSocket\x0d\x0a"
"Connection: Upgrade\x0d\x0a"
"Sec-WebSocket-Accept: ");
strcpy(p, (char *)context->service_buffer);
p += accept_len;
if (lws_hdr_total_length(wsi, WSI_TOKEN_PROTOCOL)) {
LWS_CPYAPP(p, "\x0d\x0aSec-WebSocket-Protocol: ");
n = lws_hdr_copy(wsi, p, 128, WSI_TOKEN_PROTOCOL);
if (n < 0)
goto bail;
p += n;
}
#ifndef LWS_NO_EXTENSIONS
/*
* Figure out which extensions the client has that we want to
* enable on this connection, and give him back the list
*/
if (lws_extension_server_handshake(context, wsi, &p))
goto bail;
#endif
/* end of response packet */
LWS_CPYAPP(p, "\x0d\x0a\x0d\x0a");
if (!lws_any_extension_handled(context, wsi,
LWS_EXT_CALLBACK_HANDSHAKE_REPLY_TX,
response, p - response)) {
/* okay send the handshake response accepting the connection */
lwsl_parser("issuing resp pkt %d len\n", (int)(p - response));
#ifdef DEBUG
fwrite(response, 1, p - response, stderr);
#endif
n = libwebsocket_write(wsi, (unsigned char *)response,
p - response, LWS_WRITE_HTTP);
if (n != (p - response)) {
lwsl_debug("handshake_0405: ERROR writing to socket\n");
goto bail;
}
}
/* alright clean up and set ourselves into established state */
wsi->state = WSI_STATE_ESTABLISHED;
wsi->lws_rx_parse_state = LWS_RXPS_NEW;
/* notify user code that we're ready to roll */
if (wsi->protocol->callback)
wsi->protocol->callback(wsi->protocol->owning_server,
wsi, LWS_CALLBACK_ESTABLISHED,
wsi->user_space, NULL, 0);
return 0;
bail:
/* free up his parsing allocations */
if (wsi->u.hdr.ah)
free(wsi->u.hdr.ah);
return -1;
}

876
dependencies/libwebsockets/lib/server.c vendored Normal file
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@ -0,0 +1,876 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2013 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
int lws_context_init_server(struct lws_context_creation_info *info,
struct libwebsocket_context *context)
{
int n;
int sockfd;
struct sockaddr_in sin;
socklen_t len = sizeof(sin);
int opt = 1;
struct libwebsocket *wsi;
#ifdef LWS_USE_IPV6
struct sockaddr_in6 serv_addr6;
#endif
struct sockaddr_in serv_addr4;
struct sockaddr *v;
/* set up our external listening socket we serve on */
if (info->port == CONTEXT_PORT_NO_LISTEN)
return 0;
#ifdef LWS_USE_IPV6
if (LWS_IPV6_ENABLED(context))
sockfd = socket(AF_INET6, SOCK_STREAM, 0);
else
#endif
sockfd = socket(AF_INET, SOCK_STREAM, 0);
if (sockfd < 0) {
lwsl_err("ERROR opening socket\n");
return 1;
}
/*
* allow us to restart even if old sockets in TIME_WAIT
*/
setsockopt(sockfd, SOL_SOCKET, SO_REUSEADDR,
(const void *)&opt, sizeof(opt));
lws_plat_set_socket_options(context, sockfd);
#ifdef LWS_USE_IPV6
if (LWS_IPV6_ENABLED(context)) {
v = (struct sockaddr *)&serv_addr6;
n = sizeof(struct sockaddr_in6);
bzero((char *) &serv_addr6, sizeof(serv_addr6));
serv_addr6.sin6_addr = in6addr_any;
serv_addr6.sin6_family = AF_INET6;
serv_addr6.sin6_port = htons(info->port);
} else
#endif
{
v = (struct sockaddr *)&serv_addr4;
n = sizeof(serv_addr4);
bzero((char *) &serv_addr4, sizeof(serv_addr4));
serv_addr4.sin_addr.s_addr = INADDR_ANY;
serv_addr4.sin_family = AF_INET;
if (info->iface) {
if (interface_to_sa(context, info->iface,
(struct sockaddr_in *)v, n) < 0) {
lwsl_err("Unable to find interface %s\n",
info->iface);
compatible_close(sockfd);
return 1;
}
}
serv_addr4.sin_port = htons(info->port);
} /* ipv4 */
n = bind(sockfd, v, n);
if (n < 0) {
lwsl_err("ERROR on binding to port %d (%d %d)\n",
info->port, n, LWS_ERRNO);
compatible_close(sockfd);
return 1;
}
if (getsockname(sockfd, (struct sockaddr *)&sin, &len) == -1)
lwsl_warn("getsockname: %s\n", strerror(LWS_ERRNO));
else
info->port = ntohs(sin.sin_port);
context->listen_port = info->port;
wsi = (struct libwebsocket *)malloc(sizeof(struct libwebsocket));
if (wsi == NULL) {
lwsl_err("Out of mem\n");
compatible_close(sockfd);
return 1;
}
memset(wsi, 0, sizeof(struct libwebsocket));
wsi->sock = sockfd;
wsi->mode = LWS_CONNMODE_SERVER_LISTENER;
insert_wsi_socket_into_fds(context, wsi);
context->listen_service_modulo = LWS_LISTEN_SERVICE_MODULO;
context->listen_service_count = 0;
context->listen_service_fd = sockfd;
listen(sockfd, LWS_SOMAXCONN);
lwsl_notice(" Listening on port %d\n", info->port);
return 0;
}
int
_libwebsocket_rx_flow_control(struct libwebsocket *wsi)
{
struct libwebsocket_context *context = wsi->protocol->owning_server;
/* there is no pending change */
if (!(wsi->u.ws.rxflow_change_to & LWS_RXFLOW_PENDING_CHANGE))
return 0;
/* stuff is still buffered, not ready to really accept new input */
if (wsi->u.ws.rxflow_buffer) {
/* get ourselves called back to deal with stashed buffer */
libwebsocket_callback_on_writable(context, wsi);
return 0;
}
/* pending is cleared, we can change rxflow state */
wsi->u.ws.rxflow_change_to &= ~LWS_RXFLOW_PENDING_CHANGE;
lwsl_info("rxflow: wsi %p change_to %d\n", wsi,
wsi->u.ws.rxflow_change_to & LWS_RXFLOW_ALLOW);
/* adjust the pollfd for this wsi */
if (wsi->u.ws.rxflow_change_to & LWS_RXFLOW_ALLOW) {
if (lws_change_pollfd(wsi, 0, LWS_POLLIN)) {
lwsl_info("%s: fail\n", __func__);
return -1;
}
} else
if (lws_change_pollfd(wsi, LWS_POLLIN, 0))
return -1;
return 0;
}
int lws_handshake_server(struct libwebsocket_context *context,
struct libwebsocket *wsi, unsigned char **buf, size_t len)
{
struct allocated_headers *ah;
char *uri_ptr = NULL;
int uri_len = 0;
char content_length_str[32];
int n;
/* LWS_CONNMODE_WS_SERVING */
while (len--) {
if (libwebsocket_parse(context, wsi, *(*buf)++)) {
lwsl_info("libwebsocket_parse failed\n");
goto bail_nuke_ah;
}
if (wsi->u.hdr.parser_state != WSI_PARSING_COMPLETE)
continue;
lwsl_parser("libwebsocket_parse sees parsing complete\n");
wsi->mode = LWS_CONNMODE_PRE_WS_SERVING_ACCEPT;
libwebsocket_set_timeout(wsi, NO_PENDING_TIMEOUT, 0);
/* is this websocket protocol or normal http 1.0? */
if (!lws_hdr_total_length(wsi, WSI_TOKEN_UPGRADE) ||
!lws_hdr_total_length(wsi, WSI_TOKEN_CONNECTION)) {
/* it's not websocket.... shall we accept it as http? */
if (!lws_hdr_total_length(wsi, WSI_TOKEN_GET_URI) &&
!lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI) &&
!lws_hdr_total_length(wsi, WSI_TOKEN_OPTIONS_URI)) {
lwsl_warn("Missing URI in HTTP request\n");
goto bail_nuke_ah;
}
if (lws_hdr_total_length(wsi, WSI_TOKEN_GET_URI) &&
lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI)) {
lwsl_warn("GET and POST methods?\n");
goto bail_nuke_ah;
}
if (libwebsocket_ensure_user_space(wsi))
goto bail_nuke_ah;
if (lws_hdr_total_length(wsi, WSI_TOKEN_GET_URI)) {
uri_ptr = lws_hdr_simple_ptr(wsi, WSI_TOKEN_GET_URI);
uri_len = lws_hdr_total_length(wsi, WSI_TOKEN_GET_URI);
lwsl_info("HTTP GET request for '%s'\n",
lws_hdr_simple_ptr(wsi, WSI_TOKEN_GET_URI));
}
if (lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI)) {
lwsl_info("HTTP POST request for '%s'\n",
lws_hdr_simple_ptr(wsi, WSI_TOKEN_POST_URI));
uri_ptr = lws_hdr_simple_ptr(wsi, WSI_TOKEN_POST_URI);
uri_len = lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI);
}
if (lws_hdr_total_length(wsi, WSI_TOKEN_OPTIONS_URI)) {
lwsl_info("HTTP OPTIONS request for '%s'\n",
lws_hdr_simple_ptr(wsi, WSI_TOKEN_OPTIONS_URI));
uri_ptr = lws_hdr_simple_ptr(wsi, WSI_TOKEN_OPTIONS_URI);
uri_len = lws_hdr_total_length(wsi, WSI_TOKEN_OPTIONS_URI);
}
/*
* Hm we still need the headers so the
* callback can look at leaders like the URI, but we
* need to transition to http union state.... hold a
* copy of u.hdr.ah and deallocate afterwards
*/
ah = wsi->u.hdr.ah;
/* union transition */
memset(&wsi->u, 0, sizeof(wsi->u));
wsi->mode = LWS_CONNMODE_HTTP_SERVING_ACCEPTED;
wsi->state = WSI_STATE_HTTP;
wsi->u.http.fd = LWS_INVALID_FILE;
/* expose it at the same offset as u.hdr */
wsi->u.http.ah = ah;
/* HTTP header had a content length? */
wsi->u.http.content_length = 0;
if (lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI))
wsi->u.http.content_length = 100 * 1024 * 1024;
if (lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_CONTENT_LENGTH)) {
lws_hdr_copy(wsi, content_length_str,
sizeof(content_length_str) - 1,
WSI_TOKEN_HTTP_CONTENT_LENGTH);
wsi->u.http.content_length = atoi(content_length_str);
}
if (wsi->u.http.content_length > 0) {
wsi->u.http.body_index = 0;
n = wsi->protocol->rx_buffer_size;
if (!n)
n = LWS_MAX_SOCKET_IO_BUF;
wsi->u.http.post_buffer = malloc(n);
if (!wsi->u.http.post_buffer) {
lwsl_err("Unable to allocate post buffer\n");
n = -1;
goto cleanup;
}
}
n = 0;
if (wsi->protocol->callback)
n = wsi->protocol->callback(context, wsi,
LWS_CALLBACK_FILTER_HTTP_CONNECTION,
wsi->user_space, uri_ptr, uri_len);
if (!n) {
/*
* if there is content supposed to be coming,
* put a timeout on it having arrived
*/
libwebsocket_set_timeout(wsi,
PENDING_TIMEOUT_HTTP_CONTENT,
AWAITING_TIMEOUT);
if (wsi->protocol->callback)
n = wsi->protocol->callback(context, wsi,
LWS_CALLBACK_HTTP,
wsi->user_space, uri_ptr, uri_len);
}
cleanup:
/* now drop the header info we kept a pointer to */
if (ah)
free(ah);
/* not possible to continue to use past here */
wsi->u.http.ah = NULL;
if (n) {
lwsl_info("LWS_CALLBACK_HTTP closing\n");
return 1; /* struct ah ptr already nuked */
}
/*
* (if callback didn't start sending a file)
* deal with anything else as body, whether
* there was a content-length or not
*/
if (wsi->state != WSI_STATE_HTTP_ISSUING_FILE)
wsi->state = WSI_STATE_HTTP_BODY;
return 2; /* goto http_postbody; */
}
if (!wsi->protocol)
lwsl_err("NULL protocol at libwebsocket_read\n");
/*
* It's websocket
*
* Make sure user side is happy about protocol
*/
while (wsi->protocol->callback) {
if (!lws_hdr_total_length(wsi, WSI_TOKEN_PROTOCOL)) {
if (wsi->protocol->name == NULL)
break;
} else
if (wsi->protocol->name && strcmp(
lws_hdr_simple_ptr(wsi,
WSI_TOKEN_PROTOCOL),
wsi->protocol->name) == 0)
break;
wsi->protocol++;
}
/* we didn't find a protocol he wanted? */
if (wsi->protocol->callback == NULL) {
if (lws_hdr_simple_ptr(wsi, WSI_TOKEN_PROTOCOL) ==
NULL) {
lwsl_info("no protocol -> prot 0 handler\n");
wsi->protocol = &context->protocols[0];
} else {
lwsl_err("Req protocol %s not supported\n",
lws_hdr_simple_ptr(wsi, WSI_TOKEN_PROTOCOL));
goto bail_nuke_ah;
}
}
/* allocate wsi->user storage */
if (libwebsocket_ensure_user_space(wsi))
goto bail_nuke_ah;
/*
* Give the user code a chance to study the request and
* have the opportunity to deny it
*/
if ((wsi->protocol->callback)(wsi->protocol->owning_server, wsi,
LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION,
wsi->user_space,
lws_hdr_simple_ptr(wsi, WSI_TOKEN_PROTOCOL), 0)) {
lwsl_warn("User code denied connection\n");
goto bail_nuke_ah;
}
/*
* Perform the handshake according to the protocol version the
* client announced
*/
switch (wsi->ietf_spec_revision) {
case 13:
lwsl_parser("lws_parse calling handshake_04\n");
if (handshake_0405(context, wsi)) {
lwsl_info("hs0405 has failed the connection\n");
goto bail_nuke_ah;
}
break;
default:
lwsl_warn("Unknown client spec version %d\n",
wsi->ietf_spec_revision);
goto bail_nuke_ah;
}
/* drop the header info -- no bail_nuke_ah after this */
if (wsi->u.hdr.ah)
free(wsi->u.hdr.ah);
wsi->mode = LWS_CONNMODE_WS_SERVING;
/* union transition */
memset(&wsi->u, 0, sizeof(wsi->u));
wsi->u.ws.rxflow_change_to = LWS_RXFLOW_ALLOW;
/*
* create the frame buffer for this connection according to the
* size mentioned in the protocol definition. If 0 there, use
* a big default for compatibility
*/
n = wsi->protocol->rx_buffer_size;
if (!n)
n = LWS_MAX_SOCKET_IO_BUF;
n += LWS_SEND_BUFFER_PRE_PADDING + LWS_SEND_BUFFER_POST_PADDING;
wsi->u.ws.rx_user_buffer = malloc(n);
if (!wsi->u.ws.rx_user_buffer) {
lwsl_err("Out of Mem allocating rx buffer %d\n", n);
return 1;
}
lwsl_info("Allocating RX buffer %d\n", n);
if (setsockopt(wsi->sock, SOL_SOCKET, SO_SNDBUF, (const char *)&n, sizeof n)) {
lwsl_warn("Failed to set SNDBUF to %d", n);
return 1;
}
lwsl_parser("accepted v%02d connection\n",
wsi->ietf_spec_revision);
} /* while all chars are handled */
return 0;
bail_nuke_ah:
/* drop the header info */
if (wsi->u.hdr.ah)
free(wsi->u.hdr.ah);
return 1;
}
struct libwebsocket *
libwebsocket_create_new_server_wsi(struct libwebsocket_context *context)
{
struct libwebsocket *new_wsi;
new_wsi = (struct libwebsocket *)malloc(sizeof(struct libwebsocket));
if (new_wsi == NULL) {
lwsl_err("Out of memory for new connection\n");
return NULL;
}
memset(new_wsi, 0, sizeof(struct libwebsocket));
new_wsi->pending_timeout = NO_PENDING_TIMEOUT;
/* intialize the instance struct */
new_wsi->state = WSI_STATE_HTTP;
new_wsi->mode = LWS_CONNMODE_HTTP_SERVING;
new_wsi->hdr_parsing_completed = 0;
if (lws_allocate_header_table(new_wsi)) {
free(new_wsi);
return NULL;
}
/*
* these can only be set once the protocol is known
* we set an unestablished connection's protocol pointer
* to the start of the supported list, so it can look
* for matching ones during the handshake
*/
new_wsi->protocol = context->protocols;
new_wsi->user_space = NULL;
new_wsi->ietf_spec_revision = 0;
/*
* outermost create notification for wsi
* no user_space because no protocol selection
*/
context->protocols[0].callback(context, new_wsi,
LWS_CALLBACK_WSI_CREATE, NULL, NULL, 0);
return new_wsi;
}
int lws_server_socket_service(struct libwebsocket_context *context,
struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd)
{
struct libwebsocket *new_wsi = NULL;
int accept_fd = 0;
socklen_t clilen;
struct sockaddr_in cli_addr;
int n;
int len;
switch (wsi->mode) {
case LWS_CONNMODE_HTTP_SERVING:
case LWS_CONNMODE_HTTP_SERVING_ACCEPTED:
/* handle http headers coming in */
/* pending truncated sends have uber priority */
if (wsi->truncated_send_malloc) {
if (pollfd->revents & LWS_POLLOUT)
if (lws_issue_raw(wsi, wsi->truncated_send_malloc +
wsi->truncated_send_offset,
wsi->truncated_send_len) < 0) {
lwsl_info("closing from socket service\n");
return -1;
}
/*
* we can't afford to allow input processing send
* something new, so spin around he event loop until
* he doesn't have any partials
*/
break;
}
/* any incoming data ready? */
if (pollfd->revents & LWS_POLLIN) {
len = lws_ssl_capable_read(wsi,
context->service_buffer,
sizeof(context->service_buffer));
switch (len) {
case 0:
lwsl_info("lws_server_skt_srv: read 0 len\n");
/* lwsl_info(" state=%d\n", wsi->state); */
if (!wsi->hdr_parsing_completed)
free(wsi->u.hdr.ah);
/* fallthru */
case LWS_SSL_CAPABLE_ERROR:
libwebsocket_close_and_free_session(
context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
return 0;
case LWS_SSL_CAPABLE_MORE_SERVICE:
break;
}
/* just ignore incoming if waiting for close */
if (wsi->state != WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE) {
/* hm this may want to send (via HTTP callback for example) */
n = libwebsocket_read(context, wsi,
context->service_buffer, len);
if (n < 0)
/* we closed wsi */
return 0;
/* hum he may have used up the writability above */
break;
}
}
/* this handles POLLOUT for http serving fragments */
if (!(pollfd->revents & LWS_POLLOUT))
break;
/* one shot */
if (lws_change_pollfd(wsi, LWS_POLLOUT, 0))
goto fail;
lws_libev_io(context, wsi, LWS_EV_STOP | LWS_EV_WRITE);
if (wsi->state != WSI_STATE_HTTP_ISSUING_FILE) {
n = user_callback_handle_rxflow(
wsi->protocol->callback,
wsi->protocol->owning_server,
wsi, LWS_CALLBACK_HTTP_WRITEABLE,
wsi->user_space,
NULL,
0);
if (n < 0)
libwebsocket_close_and_free_session(
context, wsi, LWS_CLOSE_STATUS_NOSTATUS);
break;
}
/* nonzero for completion or error */
if (libwebsockets_serve_http_file_fragment(context, wsi))
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
break;
case LWS_CONNMODE_SERVER_LISTENER:
/* pollin means a client has connected to us then */
if (!(pollfd->revents & LWS_POLLIN))
break;
/* listen socket got an unencrypted connection... */
clilen = sizeof(cli_addr);
lws_latency_pre(context, wsi);
accept_fd = accept(pollfd->fd, (struct sockaddr *)&cli_addr,
&clilen);
lws_latency(context, wsi,
"unencrypted accept LWS_CONNMODE_SERVER_LISTENER",
accept_fd, accept_fd >= 0);
if (accept_fd < 0) {
if (LWS_ERRNO == LWS_EAGAIN || LWS_ERRNO == LWS_EWOULDBLOCK) {
lwsl_debug("accept asks to try again\n");
break;
}
lwsl_warn("ERROR on accept: %s\n", strerror(LWS_ERRNO));
break;
}
lws_plat_set_socket_options(context, accept_fd);
/*
* look at who we connected to and give user code a chance
* to reject based on client IP. There's no protocol selected
* yet so we issue this to protocols[0]
*/
if ((context->protocols[0].callback)(context, wsi,
LWS_CALLBACK_FILTER_NETWORK_CONNECTION,
NULL, (void *)(long)accept_fd, 0)) {
lwsl_debug("Callback denied network connection\n");
compatible_close(accept_fd);
break;
}
new_wsi = libwebsocket_create_new_server_wsi(context);
if (new_wsi == NULL) {
compatible_close(accept_fd);
break;
}
new_wsi->sock = accept_fd;
/* the transport is accepted... give him time to negotiate */
libwebsocket_set_timeout(new_wsi,
PENDING_TIMEOUT_ESTABLISH_WITH_SERVER,
AWAITING_TIMEOUT);
/*
* A new connection was accepted. Give the user a chance to
* set properties of the newly created wsi. There's no protocol
* selected yet so we issue this to protocols[0]
*/
(context->protocols[0].callback)(context, new_wsi,
LWS_CALLBACK_SERVER_NEW_CLIENT_INSTANTIATED, NULL, NULL, 0);
lws_libev_accept(context, new_wsi, accept_fd);
if (!LWS_SSL_ENABLED(context)) {
lwsl_debug("accepted new conn port %u on fd=%d\n",
ntohs(cli_addr.sin_port), accept_fd);
insert_wsi_socket_into_fds(context, new_wsi);
}
break;
default:
break;
}
if (lws_server_socket_service_ssl(context, &wsi, new_wsi, accept_fd, pollfd))
goto fail;
return 0;
fail:
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
return 1;
}
static const char *err400[] = {
"Bad Request",
"Unauthorized",
"Payment Required",
"Forbidden",
"Not Found",
"Method Not Allowed",
"Not Acceptable",
"Proxy Auth Required",
"Request Timeout",
"Conflict",
"Gone",
"Length Required",
"Precondition Failed",
"Request Entity Too Large",
"Request URI too Long",
"Unsupported Media Type",
"Requested Range Not Satisfiable",
"Expectation Failed"
};
static const char *err500[] = {
"Internal Server Error",
"Not Implemented",
"Bad Gateway",
"Service Unavailable",
"Gateway Timeout",
"HTTP Version Not Supported"
};
/**
* libwebsockets_return_http_status() - Return simple http status
* @context: libwebsockets context
* @wsi: Websocket instance (available from user callback)
* @code: Status index, eg, 404
* @html_body: User-readable HTML description, or NULL
*
* Helper to report HTTP errors back to the client cleanly and
* consistently
*/
LWS_VISIBLE int libwebsockets_return_http_status(
struct libwebsocket_context *context, struct libwebsocket *wsi,
unsigned int code, const char *html_body)
{
int n, m;
const char *description = "";
if (!html_body)
html_body = "";
if (code >= 400 && code < (400 + ARRAY_SIZE(err400)))
description = err400[code - 400];
if (code >= 500 && code < (500 + ARRAY_SIZE(err500)))
description = err500[code - 500];
n = sprintf((char *)context->service_buffer,
"HTTP/1.0 %u %s\x0d\x0a"
"Server: libwebsockets\x0d\x0a"
"Content-Type: text/html\x0d\x0a\x0d\x0a"
"<h1>%u %s</h1>%s",
code, description, code, description, html_body);
lwsl_info((const char *)context->service_buffer);
m = libwebsocket_write(wsi, context->service_buffer, n, LWS_WRITE_HTTP);
return m;
}
/**
* libwebsockets_serve_http_file() - Send a file back to the client using http
* @context: libwebsockets context
* @wsi: Websocket instance (available from user callback)
* @file: The file to issue over http
* @content_type: The http content type, eg, text/html
* @other_headers: NULL or pointer to \0-terminated other header string
*
* This function is intended to be called from the callback in response
* to http requests from the client. It allows the callback to issue
* local files down the http link in a single step.
*
* Returning <0 indicates error and the wsi should be closed. Returning
* >0 indicates the file was completely sent and the wsi should be closed.
* ==0 indicates the file transfer is started and needs more service later,
* the wsi should be left alone.
*/
LWS_VISIBLE int libwebsockets_serve_http_file(
struct libwebsocket_context *context,
struct libwebsocket *wsi, const char *file,
const char *content_type, const char *other_headers)
{
unsigned char *p = context->service_buffer;
int ret = 0;
int n;
wsi->u.http.fd = lws_plat_open_file(file, &wsi->u.http.filelen);
if (wsi->u.http.fd == LWS_INVALID_FILE) {
lwsl_err("Unable to open '%s'\n", file);
libwebsockets_return_http_status(context, wsi,
HTTP_STATUS_NOT_FOUND, NULL);
return -1;
}
p += sprintf((char *)p,
"HTTP/1.0 200 OK\x0d\x0aServer: libwebsockets\x0d\x0a""Content-Type: %s\x0d\x0a",
content_type);
if (other_headers) {
n = strlen(other_headers);
memcpy(p, other_headers, n);
p += n;
}
p += sprintf((char *)p,
"Content-Length: %lu\x0d\x0a\x0d\x0a", wsi->u.http.filelen);
ret = libwebsocket_write(wsi, context->service_buffer,
p - context->service_buffer, LWS_WRITE_HTTP);
if (ret != (p - context->service_buffer)) {
lwsl_err("_write returned %d from %d\n", ret, (p - context->service_buffer));
return -1;
}
wsi->u.http.filepos = 0;
wsi->state = WSI_STATE_HTTP_ISSUING_FILE;
return libwebsockets_serve_http_file_fragment(context, wsi);
}
int libwebsocket_interpret_incoming_packet(struct libwebsocket *wsi,
unsigned char *buf, size_t len)
{
size_t n = 0;
int m;
#if 0
lwsl_parser("received %d byte packet\n", (int)len);
lwsl_hexdump(buf, len);
#endif
/* let the rx protocol state machine have as much as it needs */
while (n < len) {
/*
* we were accepting input but now we stopped doing so
*/
if (!(wsi->u.ws.rxflow_change_to & LWS_RXFLOW_ALLOW)) {
/* his RX is flowcontrolled, don't send remaining now */
if (!wsi->u.ws.rxflow_buffer) {
/* a new rxflow, buffer it and warn caller */
lwsl_info("new rxflow input buffer len %d\n",
len - n);
wsi->u.ws.rxflow_buffer =
(unsigned char *)malloc(len - n);
wsi->u.ws.rxflow_len = len - n;
wsi->u.ws.rxflow_pos = 0;
memcpy(wsi->u.ws.rxflow_buffer,
buf + n, len - n);
} else
/* rxflow while we were spilling prev rxflow */
lwsl_info("stalling in existing rxflow buf\n");
return 1;
}
/* account for what we're using in rxflow buffer */
if (wsi->u.ws.rxflow_buffer)
wsi->u.ws.rxflow_pos++;
/* process the byte */
m = libwebsocket_rx_sm(wsi, buf[n++]);
if (m < 0)
return -1;
}
return 0;
}
LWS_VISIBLE void
lws_server_get_canonical_hostname(struct libwebsocket_context *context,
struct lws_context_creation_info *info)
{
if (info->options & LWS_SERVER_OPTION_SKIP_SERVER_CANONICAL_NAME)
return;
/* find canonical hostname */
gethostname((char *)context->canonical_hostname,
sizeof(context->canonical_hostname) - 1);
lwsl_notice(" canonical_hostname = %s\n", context->canonical_hostname);
}

517
dependencies/libwebsockets/lib/service.c vendored Normal file
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@ -0,0 +1,517 @@
/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2014 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
int
lws_handle_POLLOUT_event(struct libwebsocket_context *context,
struct libwebsocket *wsi, struct libwebsocket_pollfd *pollfd)
{
int n;
struct lws_tokens eff_buf;
int ret;
int m;
int handled = 0;
/* pending truncated sends have uber priority */
if (wsi->truncated_send_len) {
if (lws_issue_raw(wsi, wsi->truncated_send_malloc +
wsi->truncated_send_offset,
wsi->truncated_send_len) < 0) {
lwsl_info("lws_handle_POLLOUT_event signalling to close\n");
return -1;
}
/* leave POLLOUT active either way */
return 0;
} else
if (wsi->state == WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE) {
lwsl_info("***** %x signalling to close in POLLOUT handler\n", wsi);
return -1; /* retry closing now */
}
m = lws_ext_callback_for_each_active(wsi, LWS_EXT_CALLBACK_IS_WRITEABLE,
NULL, 0);
if (handled == 1)
goto notify_action;
#ifndef LWS_NO_EXTENSIONS
if (!wsi->extension_data_pending || handled == 2)
goto user_service;
#endif
/*
* check in on the active extensions, see if they
* had pending stuff to spill... they need to get the
* first look-in otherwise sequence will be disordered
*
* NULL, zero-length eff_buf means just spill pending
*/
ret = 1;
while (ret == 1) {
/* default to nobody has more to spill */
ret = 0;
eff_buf.token = NULL;
eff_buf.token_len = 0;
/* give every extension a chance to spill */
m = lws_ext_callback_for_each_active(wsi,
LWS_EXT_CALLBACK_PACKET_TX_PRESEND,
&eff_buf, 0);
if (m < 0) {
lwsl_err("ext reports fatal error\n");
return -1;
}
if (m)
/*
* at least one extension told us he has more
* to spill, so we will go around again after
*/
ret = 1;
/* assuming they gave us something to send, send it */
if (eff_buf.token_len) {
n = lws_issue_raw(wsi, (unsigned char *)eff_buf.token,
eff_buf.token_len);
if (n < 0) {
lwsl_info("closing from POLLOUT spill\n");
return -1;
}
/*
* Keep amount spilled small to minimize chance of this
*/
if (n != eff_buf.token_len) {
lwsl_err("Unable to spill ext %d vs %s\n",
eff_buf.token_len, n);
return -1;
}
} else
continue;
/* no extension has more to spill */
if (!ret)
continue;
/*
* There's more to spill from an extension, but we just sent
* something... did that leave the pipe choked?
*/
if (!lws_send_pipe_choked(wsi))
/* no we could add more */
continue;
lwsl_info("choked in POLLOUT service\n");
/*
* Yes, he's choked. Leave the POLLOUT masked on so we will
* come back here when he is unchoked. Don't call the user
* callback to enforce ordering of spilling, he'll get called
* when we come back here and there's nothing more to spill.
*/
return 0;
}
#ifndef LWS_NO_EXTENSIONS
wsi->extension_data_pending = 0;
user_service:
#endif
/* one shot */
if (pollfd) {
if (lws_change_pollfd(wsi, LWS_POLLOUT, 0))
return 1;
lws_libev_io(context, wsi, LWS_EV_STOP | LWS_EV_WRITE);
}
notify_action:
if (wsi->mode == LWS_CONNMODE_WS_CLIENT)
n = LWS_CALLBACK_CLIENT_WRITEABLE;
else
n = LWS_CALLBACK_SERVER_WRITEABLE;
return user_callback_handle_rxflow(wsi->protocol->callback, context,
wsi, (enum libwebsocket_callback_reasons) n,
wsi->user_space, NULL, 0);
}
int
libwebsocket_service_timeout_check(struct libwebsocket_context *context,
struct libwebsocket *wsi, unsigned int sec)
{
/*
* if extensions want in on it (eg, we are a mux parent)
* give them a chance to service child timeouts
*/
if (lws_ext_callback_for_each_active(wsi, LWS_EXT_CALLBACK_1HZ, NULL, sec) < 0)
return 0;
if (!wsi->pending_timeout)
return 0;
/*
* if we went beyond the allowed time, kill the
* connection
*/
if (sec > wsi->pending_timeout_limit) {
lwsl_info("TIMEDOUT WAITING on %d\n", wsi->pending_timeout);
libwebsocket_close_and_free_session(context,
wsi, LWS_CLOSE_STATUS_NOSTATUS);
return 1;
}
return 0;
}
/**
* libwebsocket_service_fd() - Service polled socket with something waiting
* @context: Websocket context
* @pollfd: The pollfd entry describing the socket fd and which events
* happened.
*
* This function takes a pollfd that has POLLIN or POLLOUT activity and
* services it according to the state of the associated
* struct libwebsocket.
*
* The one call deals with all "service" that might happen on a socket
* including listen accepts, http files as well as websocket protocol.
*
* If a pollfd says it has something, you can just pass it to
* libwebsocket_serice_fd() whether it is a socket handled by lws or not.
* If it sees it is a lws socket, the traffic will be handled and
* pollfd->revents will be zeroed now.
*
* If the socket is foreign to lws, it leaves revents alone. So you can
* see if you should service yourself by checking the pollfd revents
* after letting lws try to service it.
*/
LWS_VISIBLE int
libwebsocket_service_fd(struct libwebsocket_context *context,
struct libwebsocket_pollfd *pollfd)
{
struct libwebsocket *wsi;
int n;
int m;
int listen_socket_fds_index = 0;
time_t now;
int timed_out = 0;
int our_fd = 0;
char draining_flow = 0;
int more;
struct lws_tokens eff_buf;
if (context->listen_service_fd)
listen_socket_fds_index = context->lws_lookup[
context->listen_service_fd]->position_in_fds_table;
/*
* you can call us with pollfd = NULL to just allow the once-per-second
* global timeout checks; if less than a second since the last check
* it returns immediately then.
*/
time(&now);
/* TODO: if using libev, we should probably use timeout watchers... */
if (context->last_timeout_check_s != now) {
context->last_timeout_check_s = now;
lws_plat_service_periodic(context);
/* global timeout check once per second */
if (pollfd)
our_fd = pollfd->fd;
for (n = 0; n < context->fds_count; n++) {
m = context->fds[n].fd;
wsi = context->lws_lookup[m];
if (!wsi)
continue;
if (libwebsocket_service_timeout_check(context, wsi, now))
/* he did time out... */
if (m == our_fd) {
/* it was the guy we came to service! */
timed_out = 1;
/* mark as handled */
pollfd->revents = 0;
}
}
}
/* the socket we came to service timed out, nothing to do */
if (timed_out)
return 0;
/* just here for timeout management? */
if (pollfd == NULL)
return 0;
/* no, here to service a socket descriptor */
wsi = context->lws_lookup[pollfd->fd];
if (wsi == NULL)
/* not lws connection ... leave revents alone and return */
return 0;
/*
* so that caller can tell we handled, past here we need to
* zero down pollfd->revents after handling
*/
/*
* deal with listen service piggybacking
* every listen_service_modulo services of other fds, we
* sneak one in to service the listen socket if there's anything waiting
*
* To handle connection storms, as found in ab, if we previously saw a
* pending connection here, it causes us to check again next time.
*/
if (context->listen_service_fd && pollfd !=
&context->fds[listen_socket_fds_index]) {
context->listen_service_count++;
if (context->listen_service_extraseen ||
context->listen_service_count ==
context->listen_service_modulo) {
context->listen_service_count = 0;
m = 1;
if (context->listen_service_extraseen > 5)
m = 2;
while (m--) {
/*
* even with extpoll, we prepared this
* internal fds for listen
*/
n = lws_poll_listen_fd(&context->fds[listen_socket_fds_index]);
if (n > 0) { /* there's a conn waiting for us */
libwebsocket_service_fd(context,
&context->
fds[listen_socket_fds_index]);
context->listen_service_extraseen++;
} else {
if (context->listen_service_extraseen)
context->
listen_service_extraseen--;
break;
}
}
}
}
/* handle session socket closed */
if ((!(pollfd->revents & LWS_POLLIN)) &&
(pollfd->revents & LWS_POLLHUP)) {
lwsl_debug("Session Socket %p (fd=%d) dead\n",
(void *)wsi, pollfd->fd);
goto close_and_handled;
}
/* okay, what we came here to do... */
switch (wsi->mode) {
case LWS_CONNMODE_HTTP_SERVING:
case LWS_CONNMODE_HTTP_SERVING_ACCEPTED:
case LWS_CONNMODE_SERVER_LISTENER:
case LWS_CONNMODE_SSL_ACK_PENDING:
n = lws_server_socket_service(context, wsi, pollfd);
if (n < 0)
goto close_and_handled;
goto handled;
case LWS_CONNMODE_WS_SERVING:
case LWS_CONNMODE_WS_CLIENT:
/* the guy requested a callback when it was OK to write */
if ((pollfd->revents & LWS_POLLOUT) &&
(wsi->state == WSI_STATE_ESTABLISHED ||
wsi->state == WSI_STATE_FLUSHING_STORED_SEND_BEFORE_CLOSE) &&
lws_handle_POLLOUT_event(context, wsi, pollfd)) {
lwsl_info("libwebsocket_service_fd: closing\n");
goto close_and_handled;
}
if (wsi->u.ws.rxflow_buffer &&
(wsi->u.ws.rxflow_change_to & LWS_RXFLOW_ALLOW)) {
lwsl_info("draining rxflow\n");
/* well, drain it */
eff_buf.token = (char *)wsi->u.ws.rxflow_buffer +
wsi->u.ws.rxflow_pos;
eff_buf.token_len = wsi->u.ws.rxflow_len -
wsi->u.ws.rxflow_pos;
draining_flow = 1;
goto drain;
}
/* any incoming data ready? */
if (!(pollfd->revents & LWS_POLLIN))
break;
read_pending:
eff_buf.token_len = lws_ssl_capable_read(wsi,
context->service_buffer,
sizeof(context->service_buffer));
switch (eff_buf.token_len) {
case 0:
lwsl_info("service_fd: closing due to 0 length read\n");
goto close_and_handled;
case LWS_SSL_CAPABLE_MORE_SERVICE:
lwsl_info("SSL Capable more service\n");
n = 0;
goto handled;
case LWS_SSL_CAPABLE_ERROR:
lwsl_info("Closing when error\n");
goto close_and_handled;
}
/*
* give any active extensions a chance to munge the buffer
* before parse. We pass in a pointer to an lws_tokens struct
* prepared with the default buffer and content length that's in
* there. Rather than rewrite the default buffer, extensions
* that expect to grow the buffer can adapt .token to
* point to their own per-connection buffer in the extension
* user allocation. By default with no extensions or no
* extension callback handling, just the normal input buffer is
* used then so it is efficient.
*/
eff_buf.token = (char *)context->service_buffer;
drain:
do {
more = 0;
m = lws_ext_callback_for_each_active(wsi,
LWS_EXT_CALLBACK_PACKET_RX_PREPARSE, &eff_buf, 0);
if (m < 0)
goto close_and_handled;
if (m)
more = 1;
/* service incoming data */
if (eff_buf.token_len) {
n = libwebsocket_read(context, wsi,
(unsigned char *)eff_buf.token,
eff_buf.token_len);
if (n < 0) {
/* we closed wsi */
n = 0;
goto handled;
}
}
eff_buf.token = NULL;
eff_buf.token_len = 0;
} while (more);
if (draining_flow && wsi->u.ws.rxflow_buffer &&
wsi->u.ws.rxflow_pos == wsi->u.ws.rxflow_len) {
lwsl_info("flow buffer: drained\n");
free(wsi->u.ws.rxflow_buffer);
wsi->u.ws.rxflow_buffer = NULL;
/* having drained the rxflow buffer, can rearm POLLIN */
n = _libwebsocket_rx_flow_control(wsi); /* n ignored, needed for NO_SERVER case */
}
if (lws_ssl_pending(wsi))
goto read_pending;
break;
default:
#ifdef LWS_NO_CLIENT
break;
#else
n = lws_client_socket_service(context, wsi, pollfd);
goto handled;
#endif
}
n = 0;
goto handled;
close_and_handled:
lwsl_debug("Close and handled\n");
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
n = 1;
handled:
pollfd->revents = 0;
return n;
}
/**
* libwebsocket_service() - Service any pending websocket activity
* @context: Websocket context
* @timeout_ms: Timeout for poll; 0 means return immediately if nothing needed
* service otherwise block and service immediately, returning
* after the timeout if nothing needed service.
*
* This function deals with any pending websocket traffic, for three
* kinds of event. It handles these events on both server and client
* types of connection the same.
*
* 1) Accept new connections to our context's server
*
* 2) Call the receive callback for incoming frame data received by
* server or client connections.
*
* You need to call this service function periodically to all the above
* functions to happen; if your application is single-threaded you can
* just call it in your main event loop.
*
* Alternatively you can fork a new process that asynchronously handles
* calling this service in a loop. In that case you are happy if this
* call blocks your thread until it needs to take care of something and
* would call it with a large nonzero timeout. Your loop then takes no
* CPU while there is nothing happening.
*
* If you are calling it in a single-threaded app, you don't want it to
* wait around blocking other things in your loop from happening, so you
* would call it with a timeout_ms of 0, so it returns immediately if
* nothing is pending, or as soon as it services whatever was pending.
*/
LWS_VISIBLE int
libwebsocket_service(struct libwebsocket_context *context, int timeout_ms)
{
return lws_plat_service(context, timeout_ms);
}

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/*
* Copyright (C) 1995, 1996, 1997, and 1998 WIDE Project.
* All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. Neither the name of the project nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE PROJECT AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE PROJECT OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
/*
* FIPS pub 180-1: Secure Hash Algorithm (SHA-1)
* based on: http://csrc.nist.gov/fips/fip180-1.txt
* implemented by Jun-ichiro itojun Itoh <itojun@itojun.org>
*/
#include "private-libwebsockets.h"
#ifdef HAVE_SYS_TYPES_H
#include <sys/types.h>
#endif
struct sha1_ctxt {
union {
unsigned char b8[20];
unsigned int b32[5];
} h;
union {
unsigned char b8[8];
u_int64_t b64[1];
} c;
union {
unsigned char b8[64];
unsigned int b32[16];
} m;
unsigned char count;
};
/* sanity check */
#if !defined(BYTE_ORDER) || !defined(LITTLE_ENDIAN) || !defined(BIG_ENDIAN)
# define unsupported 1
#elif BYTE_ORDER != BIG_ENDIAN
# if BYTE_ORDER != LITTLE_ENDIAN
# define unsupported 1
# endif
#endif
#ifndef unsupported
/* constant table */
static const unsigned int _K[] =
{ 0x5a827999, 0x6ed9eba1, 0x8f1bbcdc, 0xca62c1d6 };
#define K(t) _K[(t) / 20]
#define F0(b, c, d) (((b) & (c)) | ((~(b)) & (d)))
#define F1(b, c, d) (((b) ^ (c)) ^ (d))
#define F2(b, c, d) (((b) & (c)) | ((b) & (d)) | ((c) & (d)))
#define F3(b, c, d) (((b) ^ (c)) ^ (d))
#define S(n, x) (((x) << (n)) | ((x) >> (32 - n)))
#define H(n) (ctxt->h.b32[(n)])
#define COUNT (ctxt->count)
#define BCOUNT (ctxt->c.b64[0] / 8)
#define W(n) (ctxt->m.b32[(n)])
#define PUTBYTE(x) { \
ctxt->m.b8[(COUNT % 64)] = (x); \
COUNT++; \
COUNT %= 64; \
ctxt->c.b64[0] += 8; \
if (COUNT % 64 == 0) \
sha1_step(ctxt); \
}
#define PUTPAD(x) { \
ctxt->m.b8[(COUNT % 64)] = (x); \
COUNT++; \
COUNT %= 64; \
if (COUNT % 64 == 0) \
sha1_step(ctxt); \
}
static void sha1_step __P((struct sha1_ctxt *));
static void
sha1_step(struct sha1_ctxt *ctxt)
{
unsigned int a, b, c, d, e, tmp;
size_t t, s;
#if BYTE_ORDER == LITTLE_ENDIAN
struct sha1_ctxt tctxt;
memcpy(&tctxt.m.b8[0], &ctxt->m.b8[0], 64);
ctxt->m.b8[0] = tctxt.m.b8[3]; ctxt->m.b8[1] = tctxt.m.b8[2];
ctxt->m.b8[2] = tctxt.m.b8[1]; ctxt->m.b8[3] = tctxt.m.b8[0];
ctxt->m.b8[4] = tctxt.m.b8[7]; ctxt->m.b8[5] = tctxt.m.b8[6];
ctxt->m.b8[6] = tctxt.m.b8[5]; ctxt->m.b8[7] = tctxt.m.b8[4];
ctxt->m.b8[8] = tctxt.m.b8[11]; ctxt->m.b8[9] = tctxt.m.b8[10];
ctxt->m.b8[10] = tctxt.m.b8[9]; ctxt->m.b8[11] = tctxt.m.b8[8];
ctxt->m.b8[12] = tctxt.m.b8[15]; ctxt->m.b8[13] = tctxt.m.b8[14];
ctxt->m.b8[14] = tctxt.m.b8[13]; ctxt->m.b8[15] = tctxt.m.b8[12];
ctxt->m.b8[16] = tctxt.m.b8[19]; ctxt->m.b8[17] = tctxt.m.b8[18];
ctxt->m.b8[18] = tctxt.m.b8[17]; ctxt->m.b8[19] = tctxt.m.b8[16];
ctxt->m.b8[20] = tctxt.m.b8[23]; ctxt->m.b8[21] = tctxt.m.b8[22];
ctxt->m.b8[22] = tctxt.m.b8[21]; ctxt->m.b8[23] = tctxt.m.b8[20];
ctxt->m.b8[24] = tctxt.m.b8[27]; ctxt->m.b8[25] = tctxt.m.b8[26];
ctxt->m.b8[26] = tctxt.m.b8[25]; ctxt->m.b8[27] = tctxt.m.b8[24];
ctxt->m.b8[28] = tctxt.m.b8[31]; ctxt->m.b8[29] = tctxt.m.b8[30];
ctxt->m.b8[30] = tctxt.m.b8[29]; ctxt->m.b8[31] = tctxt.m.b8[28];
ctxt->m.b8[32] = tctxt.m.b8[35]; ctxt->m.b8[33] = tctxt.m.b8[34];
ctxt->m.b8[34] = tctxt.m.b8[33]; ctxt->m.b8[35] = tctxt.m.b8[32];
ctxt->m.b8[36] = tctxt.m.b8[39]; ctxt->m.b8[37] = tctxt.m.b8[38];
ctxt->m.b8[38] = tctxt.m.b8[37]; ctxt->m.b8[39] = tctxt.m.b8[36];
ctxt->m.b8[40] = tctxt.m.b8[43]; ctxt->m.b8[41] = tctxt.m.b8[42];
ctxt->m.b8[42] = tctxt.m.b8[41]; ctxt->m.b8[43] = tctxt.m.b8[40];
ctxt->m.b8[44] = tctxt.m.b8[47]; ctxt->m.b8[45] = tctxt.m.b8[46];
ctxt->m.b8[46] = tctxt.m.b8[45]; ctxt->m.b8[47] = tctxt.m.b8[44];
ctxt->m.b8[48] = tctxt.m.b8[51]; ctxt->m.b8[49] = tctxt.m.b8[50];
ctxt->m.b8[50] = tctxt.m.b8[49]; ctxt->m.b8[51] = tctxt.m.b8[48];
ctxt->m.b8[52] = tctxt.m.b8[55]; ctxt->m.b8[53] = tctxt.m.b8[54];
ctxt->m.b8[54] = tctxt.m.b8[53]; ctxt->m.b8[55] = tctxt.m.b8[52];
ctxt->m.b8[56] = tctxt.m.b8[59]; ctxt->m.b8[57] = tctxt.m.b8[58];
ctxt->m.b8[58] = tctxt.m.b8[57]; ctxt->m.b8[59] = tctxt.m.b8[56];
ctxt->m.b8[60] = tctxt.m.b8[63]; ctxt->m.b8[61] = tctxt.m.b8[62];
ctxt->m.b8[62] = tctxt.m.b8[61]; ctxt->m.b8[63] = tctxt.m.b8[60];
#endif
a = H(0); b = H(1); c = H(2); d = H(3); e = H(4);
for (t = 0; t < 20; t++) {
s = t & 0x0f;
if (t >= 16)
W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^
W((s+2) & 0x0f) ^ W(s));
tmp = S(5, a) + F0(b, c, d) + e + W(s) + K(t);
e = d; d = c; c = S(30, b); b = a; a = tmp;
}
for (t = 20; t < 40; t++) {
s = t & 0x0f;
W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^
W((s+2) & 0x0f) ^ W(s));
tmp = S(5, a) + F1(b, c, d) + e + W(s) + K(t);
e = d; d = c; c = S(30, b); b = a; a = tmp;
}
for (t = 40; t < 60; t++) {
s = t & 0x0f;
W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^
W((s+2) & 0x0f) ^ W(s));
tmp = S(5, a) + F2(b, c, d) + e + W(s) + K(t);
e = d; d = c; c = S(30, b); b = a; a = tmp;
}
for (t = 60; t < 80; t++) {
s = t & 0x0f;
W(s) = S(1, W((s+13) & 0x0f) ^ W((s+8) & 0x0f) ^
W((s+2) & 0x0f) ^ W(s));
tmp = S(5, a) + F3(b, c, d) + e + W(s) + K(t);
e = d; d = c; c = S(30, b); b = a; a = tmp;
}
H(0) = H(0) + a;
H(1) = H(1) + b;
H(2) = H(2) + c;
H(3) = H(3) + d;
H(4) = H(4) + e;
bzero(&ctxt->m.b8[0], 64);
}
/*------------------------------------------------------------*/
static void
sha1_init(struct sha1_ctxt *ctxt)
{
bzero(ctxt, sizeof(struct sha1_ctxt));
H(0) = 0x67452301;
H(1) = 0xefcdab89;
H(2) = 0x98badcfe;
H(3) = 0x10325476;
H(4) = 0xc3d2e1f0;
}
void
sha1_pad(struct sha1_ctxt *ctxt)
{
size_t padlen; /*pad length in bytes*/
size_t padstart;
PUTPAD(0x80);
padstart = COUNT % 64;
padlen = 64 - padstart;
if (padlen < 8) {
bzero(&ctxt->m.b8[padstart], padlen);
COUNT += padlen;
COUNT %= 64;
sha1_step(ctxt);
padstart = COUNT % 64; /* should be 0 */
padlen = 64 - padstart; /* should be 64 */
}
bzero(&ctxt->m.b8[padstart], padlen - 8);
COUNT += (padlen - 8);
COUNT %= 64;
#if BYTE_ORDER == BIG_ENDIAN
PUTPAD(ctxt->c.b8[0]); PUTPAD(ctxt->c.b8[1]);
PUTPAD(ctxt->c.b8[2]); PUTPAD(ctxt->c.b8[3]);
PUTPAD(ctxt->c.b8[4]); PUTPAD(ctxt->c.b8[5]);
PUTPAD(ctxt->c.b8[6]); PUTPAD(ctxt->c.b8[7]);
#else
PUTPAD(ctxt->c.b8[7]); PUTPAD(ctxt->c.b8[6]);
PUTPAD(ctxt->c.b8[5]); PUTPAD(ctxt->c.b8[4]);
PUTPAD(ctxt->c.b8[3]); PUTPAD(ctxt->c.b8[2]);
PUTPAD(ctxt->c.b8[1]); PUTPAD(ctxt->c.b8[0]);
#endif
}
void
sha1_loop(struct sha1_ctxt *ctxt, const unsigned char *input, size_t len)
{
size_t gaplen;
size_t gapstart;
size_t off;
size_t copysiz;
off = 0;
while (off < len) {
gapstart = COUNT % 64;
gaplen = 64 - gapstart;
copysiz = (gaplen < len - off) ? gaplen : len - off;
memcpy(&ctxt->m.b8[gapstart], &input[off], copysiz);
COUNT += copysiz;
COUNT %= 64;
ctxt->c.b64[0] += copysiz * 8;
if (COUNT % 64 == 0)
sha1_step(ctxt);
off += copysiz;
}
}
void
sha1_result(struct sha1_ctxt *ctxt, void *digest0)
{
unsigned char *digest;
digest = (unsigned char *)digest0;
sha1_pad(ctxt);
#if BYTE_ORDER == BIG_ENDIAN
memcpy(digest, &ctxt->h.b8[0], 20);
#else
digest[0] = ctxt->h.b8[3]; digest[1] = ctxt->h.b8[2];
digest[2] = ctxt->h.b8[1]; digest[3] = ctxt->h.b8[0];
digest[4] = ctxt->h.b8[7]; digest[5] = ctxt->h.b8[6];
digest[6] = ctxt->h.b8[5]; digest[7] = ctxt->h.b8[4];
digest[8] = ctxt->h.b8[11]; digest[9] = ctxt->h.b8[10];
digest[10] = ctxt->h.b8[9]; digest[11] = ctxt->h.b8[8];
digest[12] = ctxt->h.b8[15]; digest[13] = ctxt->h.b8[14];
digest[14] = ctxt->h.b8[13]; digest[15] = ctxt->h.b8[12];
digest[16] = ctxt->h.b8[19]; digest[17] = ctxt->h.b8[18];
digest[18] = ctxt->h.b8[17]; digest[19] = ctxt->h.b8[16];
#endif
}
/*
* This should look and work like the libcrypto implementation
*/
unsigned char *
SHA1(const unsigned char *d, size_t n, unsigned char *md)
{
struct sha1_ctxt ctx;
sha1_init(&ctx);
sha1_loop(&ctx, d, n);
sha1_result(&ctx, (void *)md);
return md;
}
#endif /*unsupported*/

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/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2014 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*
* Some or all of this file is based on code from nghttp2, which has the
* following license. Since it's more liberal than lws license, you're also
* at liberty to get the original code from
* https://github.com/tatsuhiro-t/nghttp2 under his liberal terms alone.
*
* nghttp2 - HTTP/2.0 C Library
*
* Copyright (c) 2012 Tatsuhiro Tsujikawa
*
* Permission is hereby granted, free of charge, to any person obtaining
* a copy of this software and associated documentation files (the
* "Software"), to deal in the Software without restriction, including
* without limitation the rights to use, copy, modify, merge, publish,
* distribute, sublicense, and/or sell copies of the Software, and to
* permit persons to whom the Software is furnished to do so, subject to
* the following conditions:
*
* The above copyright notice and this permission notice shall be
* included in all copies or substantial portions of the Software.
*
* THE SOFTWARE IS PROVIDED "AS IS", WITHOUT WARRANTY OF ANY KIND,
* EXPRESS OR IMPLIED, INCLUDING BUT NOT LIMITED TO THE WARRANTIES OF
* MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE AND
* NONINFRINGEMENT. IN NO EVENT SHALL THE AUTHORS OR COPYRIGHT HOLDERS BE
* LIABLE FOR ANY CLAIM, DAMAGES OR OTHER LIABILITY, WHETHER IN AN ACTION
* OF CONTRACT, TORT OR OTHERWISE, ARISING FROM, OUT OF OR IN CONNECTION
* WITH THE SOFTWARE OR THE USE OR OTHER DEALINGS IN THE SOFTWARE.
*/
#include "private-libwebsockets.h"
#ifndef LWS_NO_SERVER
#if OPENSSL_VERSION_NUMBER >= 0x10002000L
static int alpn_select_proto_cb(SSL* ssl,
const unsigned char **out,
unsigned char *outlen,
const unsigned char *in, unsigned int inlen,
void *arg)
{
lwsl_err((char *)in);
return SSL_TLSEXT_ERR_OK; /* SSL_TLSEXT_ERR_NOACK */
}
#endif
LWS_VISIBLE void
lws_context_init_http2_ssl(struct libwebsocket_context *context)
{
#if OPENSSL_VERSION_NUMBER >= 0x10002000L
// ALPN selection callback
SSL_CTX_set_alpn_select_cb(context->ssl_ctx, alpn_select_proto_cb, NULL);
lwsl_notice(" HTTP2 / ALPN enabled\n");
#else
lwsl_notice(" HTTP2 / ALPN configured but not supported by OpenSSL version\n");
#endif // OPENSSL_VERSION_NUMBER >= 0x10002000L
}
#endif

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/*
* libwebsockets - small server side websockets and web server implementation
*
* Copyright (C) 2010-2014 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include "private-libwebsockets.h"
int openssl_websocket_private_data_index;
static int
OpenSSL_verify_callback(int preverify_ok, X509_STORE_CTX *x509_ctx)
{
SSL *ssl;
int n;
struct libwebsocket_context *context;
ssl = X509_STORE_CTX_get_ex_data(x509_ctx,
SSL_get_ex_data_X509_STORE_CTX_idx());
/*
* !!! nasty openssl requires the index to come as a library-scope
* static
*/
context = SSL_get_ex_data(ssl, openssl_websocket_private_data_index);
n = context->protocols[0].callback(NULL, NULL,
LWS_CALLBACK_OPENSSL_PERFORM_CLIENT_CERT_VERIFICATION,
x509_ctx, ssl, preverify_ok);
/* convert return code from 0 = OK to 1 = OK */
return !n;
}
LWS_VISIBLE int
lws_context_init_server_ssl(struct lws_context_creation_info *info,
struct libwebsocket_context *context)
{
SSL_METHOD *method;
int error;
int n;
#ifndef LWS_NO_SERVER
if (info->port != CONTEXT_PORT_NO_LISTEN) {
context->use_ssl = info->ssl_cert_filepath != NULL &&
info->ssl_private_key_filepath != NULL;
#ifdef USE_CYASSL
lwsl_notice(" Compiled with CYASSL support\n");
#else
lwsl_notice(" Compiled with OpenSSL support\n");
#endif
if (info->ssl_cipher_list)
lwsl_notice(" SSL ciphers: '%s'\n", info->ssl_cipher_list);
if (context->use_ssl)
lwsl_notice(" Using SSL mode\n");
else
lwsl_notice(" Using non-SSL mode\n");
}
#else
if (info->ssl_cert_filepath != NULL &&
info->ssl_private_key_filepath != NULL) {
lwsl_notice(" Not compiled for OpenSSl support!\n");
return 1;
}
lwsl_notice(" Compiled without SSL support\n");
}
#endif /* no server */
/* basic openssl init */
SSL_library_init();
OpenSSL_add_all_algorithms();
SSL_load_error_strings();
openssl_websocket_private_data_index =
SSL_get_ex_new_index(0, "libwebsockets", NULL, NULL, NULL);
/*
* Firefox insists on SSLv23 not SSLv3
* Konq disables SSLv2 by default now, SSLv23 works
*/
method = (SSL_METHOD *)SSLv23_server_method();
if (!method) {
error = ERR_get_error();
lwsl_err("problem creating ssl method %lu: %s\n",
error, ERR_error_string(error,
(char *)context->service_buffer));
return 1;
}
context->ssl_ctx = SSL_CTX_new(method); /* create context */
if (!context->ssl_ctx) {
error = ERR_get_error();
lwsl_err("problem creating ssl context %lu: %s\n",
error, ERR_error_string(error,
(char *)context->service_buffer));
return 1;
}
#ifdef SSL_OP_NO_COMPRESSION
SSL_CTX_set_options(context->ssl_ctx, SSL_OP_NO_COMPRESSION);
#endif
SSL_CTX_set_options(context->ssl_ctx, SSL_OP_CIPHER_SERVER_PREFERENCE);
if (info->ssl_cipher_list)
SSL_CTX_set_cipher_list(context->ssl_ctx,
info->ssl_cipher_list);
/* as a server, are we requiring clients to identify themselves? */
if (info->options &
LWS_SERVER_OPTION_REQUIRE_VALID_OPENSSL_CLIENT_CERT) {
/* absolutely require the client cert */
SSL_CTX_set_verify(context->ssl_ctx,
SSL_VERIFY_PEER | SSL_VERIFY_FAIL_IF_NO_PEER_CERT,
OpenSSL_verify_callback);
/*
* give user code a chance to load certs into the server
* allowing it to verify incoming client certs
*/
context->protocols[0].callback(context, NULL,
LWS_CALLBACK_OPENSSL_LOAD_EXTRA_SERVER_VERIFY_CERTS,
context->ssl_ctx, NULL, 0);
}
if (info->options & LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT) {
/* Normally SSL listener rejects non-ssl, optionally allow */
context->allow_non_ssl_on_ssl_port = 1;
}
if (context->use_ssl) {
/* openssl init for server sockets */
/* set the local certificate from CertFile */
n = SSL_CTX_use_certificate_chain_file(context->ssl_ctx,
info->ssl_cert_filepath);
if (n != 1) {
error = ERR_get_error();
lwsl_err("problem getting cert '%s' %lu: %s\n",
info->ssl_cert_filepath,
error,
ERR_error_string(error,
(char *)context->service_buffer));
return 1;
}
/* set the private key from KeyFile */
if (SSL_CTX_use_PrivateKey_file(context->ssl_ctx,
info->ssl_private_key_filepath,
SSL_FILETYPE_PEM) != 1) {
error = ERR_get_error();
lwsl_err("ssl problem getting key '%s' %lu: %s\n",
info->ssl_private_key_filepath,
error,
ERR_error_string(error,
(char *)context->service_buffer));
return 1;
}
/* verify private key */
if (!SSL_CTX_check_private_key(context->ssl_ctx)) {
lwsl_err("Private SSL key doesn't match cert\n");
return 1;
}
/*
* SSL is happy and has a cert it's content with
* If we're supporting HTTP2, initialize that
*/
lws_context_init_http2_ssl(context);
}
return 0;
}
LWS_VISIBLE void
lws_ssl_destroy(struct libwebsocket_context *context)
{
if (context->ssl_ctx)
SSL_CTX_free(context->ssl_ctx);
if (context->ssl_client_ctx)
SSL_CTX_free(context->ssl_client_ctx);
ERR_remove_state(0);
ERR_free_strings();
EVP_cleanup();
CRYPTO_cleanup_all_ex_data();
}
LWS_VISIBLE void
libwebsockets_decode_ssl_error(void)
{
char buf[256];
u_long err;
while ((err = ERR_get_error()) != 0) {
ERR_error_string_n(err, buf, sizeof(buf));
lwsl_err("*** %lu %s\n", err, buf);
}
}
#ifndef LWS_NO_CLIENT
int lws_context_init_client_ssl(struct lws_context_creation_info *info,
struct libwebsocket_context *context)
{
int error;
int n;
SSL_METHOD *method;
if (info->port != CONTEXT_PORT_NO_LISTEN)
return 0;
method = (SSL_METHOD *)SSLv23_client_method();
if (!method) {
error = ERR_get_error();
lwsl_err("problem creating ssl method %lu: %s\n",
error, ERR_error_string(error,
(char *)context->service_buffer));
return 1;
}
/* create context */
context->ssl_client_ctx = SSL_CTX_new(method);
if (!context->ssl_client_ctx) {
error = ERR_get_error();
lwsl_err("problem creating ssl context %lu: %s\n",
error, ERR_error_string(error,
(char *)context->service_buffer));
return 1;
}
#ifdef SSL_OP_NO_COMPRESSION
SSL_CTX_set_options(context->ssl_client_ctx,
SSL_OP_NO_COMPRESSION);
#endif
SSL_CTX_set_options(context->ssl_client_ctx,
SSL_OP_CIPHER_SERVER_PREFERENCE);
if (info->ssl_cipher_list)
SSL_CTX_set_cipher_list(context->ssl_client_ctx,
info->ssl_cipher_list);
#ifdef LWS_SSL_CLIENT_USE_OS_CA_CERTS
if (!(info->options & LWS_SERVER_OPTION_DISABLE_OS_CA_CERTS))
/* loads OS default CA certs */
SSL_CTX_set_default_verify_paths(context->ssl_client_ctx);
#endif
/* openssl init for cert verification (for client sockets) */
if (!info->ssl_ca_filepath) {
if (!SSL_CTX_load_verify_locations(
context->ssl_client_ctx, NULL,
LWS_OPENSSL_CLIENT_CERTS))
lwsl_err(
"Unable to load SSL Client certs from %s "
"(set by --with-client-cert-dir= "
"in configure) -- client ssl isn't "
"going to work", LWS_OPENSSL_CLIENT_CERTS);
} else
if (!SSL_CTX_load_verify_locations(
context->ssl_client_ctx, info->ssl_ca_filepath,
NULL))
lwsl_err(
"Unable to load SSL Client certs "
"file from %s -- client ssl isn't "
"going to work", info->ssl_ca_filepath);
/*
* callback allowing user code to load extra verification certs
* helping the client to verify server identity
*/
/* support for client-side certificate authentication */
if (info->ssl_cert_filepath) {
n = SSL_CTX_use_certificate_chain_file(
context->ssl_client_ctx,
info->ssl_cert_filepath);
if (n != 1) {
lwsl_err("problem getting cert '%s' %lu: %s\n",
info->ssl_cert_filepath,
ERR_get_error(),
ERR_error_string(ERR_get_error(),
(char *)context->service_buffer));
return 1;
}
}
if (info->ssl_private_key_filepath) {
/* set the private key from KeyFile */
if (SSL_CTX_use_PrivateKey_file(context->ssl_client_ctx,
info->ssl_private_key_filepath,
SSL_FILETYPE_PEM) != 1) {
lwsl_err("use_PrivateKey_file '%s' %lu: %s\n",
info->ssl_private_key_filepath,
ERR_get_error(),
ERR_error_string(ERR_get_error(),
(char *)context->service_buffer));
return 1;
}
/* verify private key */
if (!SSL_CTX_check_private_key(
context->ssl_client_ctx)) {
lwsl_err("Private SSL key doesn't match cert\n");
return 1;
}
}
context->protocols[0].callback(context, NULL,
LWS_CALLBACK_OPENSSL_LOAD_EXTRA_CLIENT_VERIFY_CERTS,
context->ssl_client_ctx, NULL, 0);
return 0;
}
#endif
LWS_VISIBLE int
lws_ssl_capable_read(struct libwebsocket *wsi, unsigned char *buf, int len)
{
int n;
if (!wsi->ssl)
return lws_ssl_capable_read_no_ssl(wsi, buf, len);
n = SSL_read(wsi->ssl, buf, len);
if (n >= 0)
return n;
n = SSL_get_error(wsi->ssl, n);
if (n == SSL_ERROR_WANT_READ || n == SSL_ERROR_WANT_WRITE)
return LWS_SSL_CAPABLE_MORE_SERVICE;
return LWS_SSL_CAPABLE_ERROR;
}
LWS_VISIBLE int
lws_ssl_capable_write(struct libwebsocket *wsi, unsigned char *buf, int len)
{
int n;
if (!wsi->ssl)
return lws_ssl_capable_write_no_ssl(wsi, buf, len);
n = SSL_write(wsi->ssl, buf, len);
if (n >= 0)
return n;
n = SSL_get_error(wsi->ssl, n);
if (n == SSL_ERROR_WANT_READ || n == SSL_ERROR_WANT_WRITE) {
if (n == SSL_ERROR_WANT_WRITE)
lws_set_blocking_send(wsi);
return LWS_SSL_CAPABLE_MORE_SERVICE;
}
return LWS_SSL_CAPABLE_ERROR;
}
LWS_VISIBLE int
lws_ssl_pending(struct libwebsocket *wsi)
{
if (wsi->ssl)
return SSL_pending(wsi->ssl);
return 0;
}
LWS_VISIBLE int
lws_ssl_close(struct libwebsocket *wsi)
{
int n;
if (!wsi->ssl)
return 0; /* not handled */
n = SSL_get_fd(wsi->ssl);
SSL_shutdown(wsi->ssl);
compatible_close(n);
SSL_free(wsi->ssl);
return 1; /* handled */
}
LWS_VISIBLE int
lws_server_socket_service_ssl(struct libwebsocket_context *context,
struct libwebsocket **pwsi, struct libwebsocket *new_wsi,
int accept_fd, struct libwebsocket_pollfd *pollfd)
{
int n, m;
struct libwebsocket *wsi = *pwsi;
#ifndef USE_CYASSL
BIO *bio;
#endif
if (!LWS_SSL_ENABLED(context))
return 0;
switch (wsi->mode) {
case LWS_CONNMODE_SERVER_LISTENER:
new_wsi->ssl = SSL_new(context->ssl_ctx);
if (new_wsi->ssl == NULL) {
lwsl_err("SSL_new failed: %s\n",
ERR_error_string(SSL_get_error(
new_wsi->ssl, 0), NULL));
libwebsockets_decode_ssl_error();
free(new_wsi);
compatible_close(accept_fd);
break;
}
SSL_set_ex_data(new_wsi->ssl,
openssl_websocket_private_data_index, context);
SSL_set_fd(new_wsi->ssl, accept_fd);
#ifdef USE_CYASSL
CyaSSL_set_using_nonblock(new_wsi->ssl, 1);
#else
SSL_set_mode(new_wsi->ssl, SSL_MODE_ACCEPT_MOVING_WRITE_BUFFER);
bio = SSL_get_rbio(new_wsi->ssl);
if (bio)
BIO_set_nbio(bio, 1); /* nonblocking */
else
lwsl_notice("NULL rbio\n");
bio = SSL_get_wbio(new_wsi->ssl);
if (bio)
BIO_set_nbio(bio, 1); /* nonblocking */
else
lwsl_notice("NULL rbio\n");
#endif
/*
* we are not accepted yet, but we need to enter ourselves
* as a live connection. That way we can retry when more
* pieces come if we're not sorted yet
*/
*pwsi = new_wsi;
wsi = *pwsi;
wsi->mode = LWS_CONNMODE_SSL_ACK_PENDING;
insert_wsi_socket_into_fds(context, wsi);
libwebsocket_set_timeout(wsi, PENDING_TIMEOUT_SSL_ACCEPT,
AWAITING_TIMEOUT);
lwsl_info("inserted SSL accept into fds, trying SSL_accept\n");
/* fallthru */
case LWS_CONNMODE_SSL_ACK_PENDING:
if (lws_change_pollfd(wsi, LWS_POLLOUT, 0))
goto fail;
lws_libev_io(context, wsi, LWS_EV_STOP | LWS_EV_WRITE);
lws_latency_pre(context, wsi);
n = recv(wsi->sock, context->service_buffer,
sizeof(context->service_buffer), MSG_PEEK);
/*
* optionally allow non-SSL connect on SSL listening socket
* This is disabled by default, if enabled it goes around any
* SSL-level access control (eg, client-side certs) so leave
* it disabled unless you know it's not a problem for you
*/
if (context->allow_non_ssl_on_ssl_port && n >= 1 &&
context->service_buffer[0] >= ' ') {
/*
* TLS content-type for Handshake is 0x16
* TLS content-type for ChangeCipherSpec Record is 0x14
*
* A non-ssl session will start with the HTTP method in
* ASCII. If we see it's not a legit SSL handshake
* kill the SSL for this connection and try to handle
* as a HTTP connection upgrade directly.
*/
wsi->use_ssl = 0;
SSL_shutdown(wsi->ssl);
SSL_free(wsi->ssl);
wsi->ssl = NULL;
goto accepted;
}
/* normal SSL connection processing path */
n = SSL_accept(wsi->ssl);
lws_latency(context, wsi,
"SSL_accept LWS_CONNMODE_SSL_ACK_PENDING\n", n, n == 1);
if (n == 1)
goto accepted;
m = SSL_get_error(wsi->ssl, n);
lwsl_debug("SSL_accept failed %d / %s\n",
m, ERR_error_string(m, NULL));
if (m == SSL_ERROR_WANT_READ) {
if (lws_change_pollfd(wsi, 0, LWS_POLLIN))
goto fail;
lws_libev_io(context, wsi, LWS_EV_START | LWS_EV_READ);
lwsl_info("SSL_ERROR_WANT_READ\n");
break;
}
if (m == SSL_ERROR_WANT_WRITE) {
if (lws_change_pollfd(wsi, 0, LWS_POLLOUT))
goto fail;
lws_libev_io(context, wsi, LWS_EV_START | LWS_EV_WRITE);
break;
}
lwsl_debug("SSL_accept failed skt %u: %s\n",
pollfd->fd, ERR_error_string(m, NULL));
libwebsocket_close_and_free_session(context, wsi,
LWS_CLOSE_STATUS_NOSTATUS);
break;
accepted:
/* OK, we are accepted... give him some time to negotiate */
libwebsocket_set_timeout(wsi,
PENDING_TIMEOUT_ESTABLISH_WITH_SERVER,
AWAITING_TIMEOUT);
wsi->mode = LWS_CONNMODE_HTTP_SERVING;
lwsl_debug("accepted new SSL conn\n");
break;
}
return 0;
fail:
return 1;
}
LWS_VISIBLE void
lws_ssl_context_destroy(struct libwebsocket_context *context)
{
if (context->ssl_ctx)
SSL_CTX_free(context->ssl_ctx);
if (context->ssl_client_ctx)
SSL_CTX_free(context->ssl_client_ctx);
ERR_remove_state(0);
ERR_free_strings();
EVP_cleanup();
CRYPTO_cleanup_all_ex_data();
}

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Name: libwebsockets
Version: 1.3
Release: 47.gmaster_b89f21c%{?dist}
Summary: Websocket Server Library
Group: System
License: GPL
URL: http://warmcat.com
Source0: %{name}-%{version}.tar.gz
BuildRoot: %(mktemp -ud %{_tmppath}/%{name}-%{version}-%{release}-XXXXXX)
BuildRequires: openssl-devel
Requires: openssl-devel
%description
Webserver server library
%package devel
Summary: Development files for libwebsockets
Group: Development/Libraries
Requires: %{name} = %{version}-%{release}
Requires: openssl-devel
%description devel
Development files for libwebsockets
%prep
%setup -q
%build
mkdir -p build
cd build
%cmake ..
make
%install
rm -rf $RPM_BUILD_ROOT
cd build
make install DESTDIR=$RPM_BUILD_ROOT
%clean
rm -rf $RPM_BUILD_ROOT
%files
%defattr(-,root,root,-)
%attr(755,root,root) /usr/bin/libwebsockets-test-server
%attr(755,root,root) /usr/bin/libwebsockets-test-server-extpoll
%attr(755,root,root) /usr/bin/libwebsockets-test-client
%attr(755,root,root) /usr/bin/libwebsockets-test-ping
%attr(755,root,root) /usr/bin/libwebsockets-test-echo
%attr(755,root,root) /usr/bin/libwebsockets-test-fraggle
%attr(755,root,root)
/%{_libdir}/libwebsockets.so.4.0.0
/%{_libdir}/libwebsockets.so
%attr(755,root,root) /usr/share/libwebsockets-test-server
%doc
%files devel
%defattr(-,root,root,-)
/usr/include/*
%attr(755,root,root)
/%{_libdir}/libwebsockets.a
/%{_libdir}/pkgconfig/libwebsockets.pc
%changelog

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dependencies/libwebsockets/scripts/FindLibWebSockets.cmake vendored Normal file
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# This module tries to find libWebsockets library and include files
#
# LIBWEBSOCKETS_INCLUDE_DIR, path where to find libwebsockets.h
# LIBWEBSOCKETS_LIBRARY_DIR, path where to find libwebsockets.so
# LIBWEBSOCKETS_LIBRARIES, the library to link against
# LIBWEBSOCKETS_FOUND, If false, do not try to use libWebSockets
#
# This currently works probably only for Linux
FIND_PATH ( LIBWEBSOCKETS_INCLUDE_DIR libwebsockets.h
/usr/local/include
/usr/include
)
FIND_LIBRARY ( LIBWEBSOCKETS_LIBRARIES websockets
/usr/local/lib
/usr/lib
)
GET_FILENAME_COMPONENT( LIBWEBSOCKETS_LIBRARY_DIR ${LIBWEBSOCKETS_LIBRARIES} PATH )
SET ( LIBWEBSOCKETS_FOUND "NO" )
IF ( LIBWEBSOCKETS_INCLUDE_DIR )
IF ( LIBWEBSOCKETS_LIBRARIES )
SET ( LIBWEBSOCKETS_FOUND "YES" )
ENDIF ( LIBWEBSOCKETS_LIBRARIES )
ENDIF ( LIBWEBSOCKETS_INCLUDE_DIR )
MARK_AS_ADVANCED(
LIBWEBSOCKETS_LIBRARY_DIR
LIBWEBSOCKETS_INCLUDE_DIR
LIBWEBSOCKETS_LIBRARIES
)

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#Ignore build files
libwebsockets-test-*
Makefile
*.o
*.lo
*.la
.libs
.deps

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dependencies/libwebsockets/test-server/attack.sh vendored Normal file
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#!/bin/sh
#
# attack the test server and try to make it fall over
#
SERVER=127.0.0.1
PORT=7681
LOG=/tmp/lwslog
CPID=
LEN=0
function check {
kill -0 $CPID
if [ $? -ne 0 ] ; then
echo "(killed it) *******"
exit 1
fi
dd if=$LOG bs=1 skip=$LEN 2>/dev/null
if [ "$1" = "default" ] ; then
diff /tmp/lwscap /usr/share/libwebsockets-test-server/test.html > /dev/null
if [ $? -ne 0 ] ; then
echo "FAIL: got something other than test.html back"
exit 1
fi
fi
if [ "$1" = "forbidden" ] ; then
if [ -z "`grep '<h1>403 Forbidden</h1>' /tmp/lwscap`" ] ; then
echo "FAIL: should have told forbidden (test server has no dirs)"
exit 1
fi
fi
if [ "$1" == "args" ] ; then
a="`dd if=$LOG bs=1 skip=$LEN 2>/dev/null |grep Uri.Args\: | tr -s ' ' | cut -d' ' -f4-`"
if [ "$a" != "$2" ] ; then
echo "Args '$a' not $2"
exit 1
fi
fi
LEN=`stat $LOG -c %s`
}
rm -rf $LOG
killall libwebsockets-test-server 2>/dev/null
libwebsockets-test-server -d31 2>> $LOG &
CPID=$!
while [ -z "`grep Listening $LOG`" ] ; do
sleep 0.5s
done
check
echo
echo "---- ? processing (%2f%2e%2e%2f%2e./test.html?arg=1)"
rm -f /tmp/lwscap
echo -e "GET %2f%2e%2e%2f%2e./test.html?arg=1 HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check args "arg=1"
echo
echo "---- ? processing (%2f%2e%2e%2f%2e./test.html?arg=/../.)"
rm -f /tmp/lwscap
echo -e "GET %2f%2e%2e%2f%2e./test.html?arg=/../. HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check args "arg=/../."
echo
echo "---- spam enough crap to not be GET"
echo "not GET" | nc $SERVER $PORT
check
echo
echo "---- spam more than the name buffer of crap"
dd if=/dev/urandom bs=1 count=80 2>/dev/null | nc -i1s $SERVER $PORT
check
echo
echo "---- spam 10MB of crap"
dd if=/dev/urandom bs=1 count=655360 | nc -i1s $SERVER $PORT
check
echo
echo "---- malformed URI"
echo "GET nonsense................................................................................................................" \
| nc -i1s $SERVER $PORT
check
echo
echo "---- missing URI"
echo -e "GET HTTP/1.1\x0d\x0a\x0d\x0a" | nc -i1s $SERVER $PORT >/tmp/lwscap
check
echo
echo "---- repeated method"
echo -e "GET blah HTTP/1.1\x0d\x0aGET blah HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT >/tmp/lwscap
check
echo
echo "---- crazy header name part"
echo -e "GET blah HTTP/1.1\x0d\x0a................................................................................................................" \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
| nc -i1s $SERVER $PORT
check
echo
echo "---- excessive uri content"
echo -e "GET ................................................................................................................" \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
| nc -i1s $SERVER $PORT
check
echo
echo "---- good request but http payload coming too (should be ignored and test.html served)"
echo -e "GET /test.html HTTP/1.1\x0d\x0a\x0d\x0aILLEGAL-PAYLOAD........................................" \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
"......................................................................................................................." \
| nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check default
echo
echo "---- directory attack 1 (/../../../../etc/passwd should be /etc/passswd)"
rm -f /tmp/lwscap
echo -e "GET /../../../../etc/passwd HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check forbidden
echo
echo "---- directory attack 2 (/../ should be /)"
rm -f /tmp/lwscap
echo -e "GET /../ HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check default
echo
echo "---- directory attack 3 (/./ should be /)"
rm -f /tmp/lwscap
echo -e "GET /./ HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check default
echo
echo "---- directory attack 4 (/blah/.. should be /)"
rm -f /tmp/lwscap
echo -e "GET /blah/.. HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check default
echo
echo "---- directory attack 5 (/blah/../ should be /)"
rm -f /tmp/lwscap
echo -e "GET /blah/../ HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check default
echo
echo "---- directory attack 6 (/blah/../. should be /)"
rm -f /tmp/lwscap
echo -e "GET /blah/../. HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check default
echo
echo "---- directory attack 7 (/%2e%2e%2f../../../etc/passwd should be /etc/passswd)"
rm -f /tmp/lwscap
echo -e "GET /%2e%2e%2f../../../etc/passwd HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check forbidden
echo
echo "---- directory attack 7 (%2f%2e%2e%2f%2e./.%2e/.%2e%2fetc/passwd should be /etc/passswd)"
rm -f /tmp/lwscap
echo -e "GET %2f%2e%2e%2f%2e./.%2e/.%2e%2fetc/passwd HTTP/1.1\x0d\x0a\x0d\x0a" | nc $SERVER $PORT | sed '1,/^\r$/d'> /tmp/lwscap
check forbidden
echo
echo "--- survived OK ---"
kill -2 $CPID

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/*
* libwebsockets-test-client - libwebsockets test implementation
*
* Copyright (C) 2011 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <string.h>
#include <signal.h>
#ifdef _WIN32
#define random rand
#else
#include <unistd.h>
#endif
#ifdef CMAKE_BUILD
#include "lws_config.h"
#endif
#include "../lib/libwebsockets.h"
static unsigned int opts;
static int was_closed;
static int deny_deflate;
static int deny_mux;
static struct libwebsocket *wsi_mirror;
static int mirror_lifetime = 0;
static volatile int force_exit = 0;
static int longlived = 0;
/*
* This demo shows how to connect multiple websockets simultaneously to a
* websocket server (there is no restriction on their having to be the same
* server just it simplifies the demo).
*
* dumb-increment-protocol: we connect to the server and print the number
* we are given
*
* lws-mirror-protocol: draws random circles, which are mirrored on to every
* client (see them being drawn in every browser
* session also using the test server)
*/
enum demo_protocols {
PROTOCOL_DUMB_INCREMENT,
PROTOCOL_LWS_MIRROR,
/* always last */
DEMO_PROTOCOL_COUNT
};
/* dumb_increment protocol */
static int
callback_dumb_increment(struct libwebsocket_context *this,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason,
void *user, void *in, size_t len)
{
switch (reason) {
case LWS_CALLBACK_CLIENT_ESTABLISHED:
fprintf(stderr, "callback_dumb_increment: LWS_CALLBACK_CLIENT_ESTABLISHED\n");
break;
case LWS_CALLBACK_CLIENT_CONNECTION_ERROR:
fprintf(stderr, "LWS_CALLBACK_CLIENT_CONNECTION_ERROR\n");
was_closed = 1;
break;
case LWS_CALLBACK_CLOSED:
fprintf(stderr, "LWS_CALLBACK_CLOSED\n");
was_closed = 1;
break;
case LWS_CALLBACK_CLIENT_RECEIVE:
((char *)in)[len] = '\0';
fprintf(stderr, "rx %d '%s'\n", (int)len, (char *)in);
break;
/* because we are protocols[0] ... */
case LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED:
if ((strcmp(in, "deflate-stream") == 0) && deny_deflate) {
fprintf(stderr, "denied deflate-stream extension\n");
return 1;
}
if ((strcmp(in, "deflate-frame") == 0) && deny_deflate) {
fprintf(stderr, "denied deflate-frame extension\n");
return 1;
}
if ((strcmp(in, "x-google-mux") == 0) && deny_mux) {
fprintf(stderr, "denied x-google-mux extension\n");
return 1;
}
break;
default:
break;
}
return 0;
}
/* lws-mirror_protocol */
static int
callback_lws_mirror(struct libwebsocket_context *context,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason,
void *user, void *in, size_t len)
{
unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 4096 +
LWS_SEND_BUFFER_POST_PADDING];
int l = 0;
int n;
switch (reason) {
case LWS_CALLBACK_CLIENT_ESTABLISHED:
fprintf(stderr, "callback_lws_mirror: LWS_CALLBACK_CLIENT_ESTABLISHED\n");
mirror_lifetime = 10 + (random() & 1023);
/* useful to test single connection stability */
if (longlived)
mirror_lifetime += 50000;
fprintf(stderr, "opened mirror connection with "
"%d lifetime\n", mirror_lifetime);
/*
* mirror_lifetime is decremented each send, when it reaches
* zero the connection is closed in the send callback.
* When the close callback comes, wsi_mirror is set to NULL
* so a new connection will be opened
*/
/*
* start the ball rolling,
* LWS_CALLBACK_CLIENT_WRITEABLE will come next service
*/
libwebsocket_callback_on_writable(context, wsi);
break;
case LWS_CALLBACK_CLOSED:
fprintf(stderr, "mirror: LWS_CALLBACK_CLOSED mirror_lifetime=%d\n", mirror_lifetime);
wsi_mirror = NULL;
break;
case LWS_CALLBACK_CLIENT_RECEIVE:
/* fprintf(stderr, "rx %d '%s'\n", (int)len, (char *)in); */
break;
case LWS_CALLBACK_CLIENT_WRITEABLE:
for (n = 0; n < 1; n++)
l += sprintf((char *)&buf[LWS_SEND_BUFFER_PRE_PADDING + l],
"c #%06X %d %d %d;",
(int)random() & 0xffffff,
(int)random() % 500,
(int)random() % 250,
(int)random() % 24);
n = libwebsocket_write(wsi,
&buf[LWS_SEND_BUFFER_PRE_PADDING], l, opts | LWS_WRITE_TEXT);
if (n < 0)
return -1;
if (n < l) {
lwsl_err("Partial write LWS_CALLBACK_CLIENT_WRITEABLE\n");
return -1;
}
mirror_lifetime--;
if (!mirror_lifetime) {
fprintf(stderr, "closing mirror session\n");
return -1;
} else
/* get notified as soon as we can write again */
libwebsocket_callback_on_writable(context, wsi);
break;
default:
break;
}
return 0;
}
/* list of supported protocols and callbacks */
static struct libwebsocket_protocols protocols[] = {
{
"dumb-increment-protocol",
callback_dumb_increment,
0,
20,
},
{
"lws-mirror-protocol",
callback_lws_mirror,
0,
128,
},
{ NULL, NULL, 0, 0 } /* end */
};
void sighandler(int sig)
{
force_exit = 1;
}
static struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "debug", required_argument, NULL, 'd' },
{ "port", required_argument, NULL, 'p' },
{ "ssl", no_argument, NULL, 's' },
{ "version", required_argument, NULL, 'v' },
{ "undeflated", no_argument, NULL, 'u' },
{ "nomux", no_argument, NULL, 'n' },
{ "longlived", no_argument, NULL, 'l' },
{ NULL, 0, 0, 0 }
};
int main(int argc, char **argv)
{
int n = 0;
int ret = 0;
int port = 7681;
int use_ssl = 0;
struct libwebsocket_context *context;
const char *address;
struct libwebsocket *wsi_dumb;
int ietf_version = -1; /* latest */
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
fprintf(stderr, "libwebsockets test client\n"
"(C) Copyright 2010-2013 Andy Green <andy@warmcat.com> "
"licensed under LGPL2.1\n");
if (argc < 2)
goto usage;
while (n >= 0) {
n = getopt_long(argc, argv, "nuv:hsp:d:l", options, NULL);
if (n < 0)
continue;
switch (n) {
case 'd':
lws_set_log_level(atoi(optarg), NULL);
break;
case 's':
use_ssl = 2; /* 2 = allow selfsigned */
break;
case 'p':
port = atoi(optarg);
break;
case 'l':
longlived = 1;
break;
case 'v':
ietf_version = atoi(optarg);
break;
case 'u':
deny_deflate = 1;
break;
case 'n':
deny_mux = 1;
break;
case 'h':
goto usage;
}
}
if (optind >= argc)
goto usage;
signal(SIGINT, sighandler);
address = argv[optind];
/*
* create the websockets context. This tracks open connections and
* knows how to route any traffic and which protocol version to use,
* and if each connection is client or server side.
*
* For this client-only demo, we tell it to not listen on any port.
*/
info.port = CONTEXT_PORT_NO_LISTEN;
info.protocols = protocols;
#ifndef LWS_NO_EXTENSIONS
info.extensions = libwebsocket_get_internal_extensions();
#endif
info.gid = -1;
info.uid = -1;
context = libwebsocket_create_context(&info);
if (context == NULL) {
fprintf(stderr, "Creating libwebsocket context failed\n");
return 1;
}
/* create a client websocket using dumb increment protocol */
wsi_dumb = libwebsocket_client_connect(context, address, port, use_ssl,
"/", argv[optind], argv[optind],
protocols[PROTOCOL_DUMB_INCREMENT].name, ietf_version);
if (wsi_dumb == NULL) {
fprintf(stderr, "libwebsocket connect failed\n");
ret = 1;
goto bail;
}
fprintf(stderr, "Waiting for connect...\n");
/*
* sit there servicing the websocket context to handle incoming
* packets, and drawing random circles on the mirror protocol websocket
* nothing happens until the client websocket connection is
* asynchronously established
*/
n = 0;
while (n >= 0 && !was_closed && !force_exit) {
n = libwebsocket_service(context, 10);
if (n < 0)
continue;
if (wsi_mirror)
continue;
/* create a client websocket using mirror protocol */
wsi_mirror = libwebsocket_client_connect(context,
address, port, use_ssl, "/",
argv[optind], argv[optind],
protocols[PROTOCOL_LWS_MIRROR].name, ietf_version);
if (wsi_mirror == NULL) {
fprintf(stderr, "libwebsocket "
"mirror connect failed\n");
ret = 1;
goto bail;
}
}
bail:
fprintf(stderr, "Exiting\n");
libwebsocket_context_destroy(context);
return ret;
usage:
fprintf(stderr, "Usage: libwebsockets-test-client "
"<server address> [--port=<p>] "
"[--ssl] [-k] [-v <ver>] "
"[-d <log bitfield>] [-l]\n");
return 1;
}

361
dependencies/libwebsockets/test-server/test-echo.c vendored Normal file
View File

@ -0,0 +1,361 @@
/*
* libwebsockets-test-echo - libwebsockets echo test implementation
*
* This implements both the client and server sides. It defaults to
* serving, use --client <remote address> to connect as client.
*
* Copyright (C) 2010-2013 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <string.h>
#include <assert.h>
#include <signal.h>
#ifndef _WIN32
#include <syslog.h>
#include <sys/time.h>
#include <unistd.h>
#endif
#ifdef CMAKE_BUILD
#include "lws_config.h"
#endif
#include "../lib/libwebsockets.h"
static volatile int force_exit = 0;
#define MAX_ECHO_PAYLOAD 1400
#define LOCAL_RESOURCE_PATH INSTALL_DATADIR"/libwebsockets-test-server"
struct per_session_data__echo {
unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + MAX_ECHO_PAYLOAD + LWS_SEND_BUFFER_POST_PADDING];
unsigned int len;
unsigned int index;
};
static int
callback_echo(struct libwebsocket_context *context,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason, void *user,
void *in, size_t len)
{
struct per_session_data__echo *pss = (struct per_session_data__echo *)user;
int n;
switch (reason) {
#ifndef LWS_NO_SERVER
/* when the callback is used for server operations --> */
case LWS_CALLBACK_SERVER_WRITEABLE:
n = libwebsocket_write(wsi, &pss->buf[LWS_SEND_BUFFER_PRE_PADDING], pss->len, LWS_WRITE_TEXT);
if (n < 0) {
lwsl_err("ERROR %d writing to socket, hanging up\n", n);
return 1;
}
if (n < (int)pss->len) {
lwsl_err("Partial write\n");
return -1;
}
break;
case LWS_CALLBACK_RECEIVE:
if (len > MAX_ECHO_PAYLOAD) {
lwsl_err("Server received packet bigger than %u, hanging up\n", MAX_ECHO_PAYLOAD);
return 1;
}
memcpy(&pss->buf[LWS_SEND_BUFFER_PRE_PADDING], in, len);
pss->len = (unsigned int)len;
libwebsocket_callback_on_writable(context, wsi);
break;
#endif
#ifndef LWS_NO_CLIENT
/* when the callback is used for client operations --> */
case LWS_CALLBACK_CLIENT_ESTABLISHED:
lwsl_notice("Client has connected\n");
pss->index = 0;
break;
case LWS_CALLBACK_CLIENT_RECEIVE:
lwsl_notice("Client RX: %s", (char *)in);
break;
case LWS_CALLBACK_CLIENT_WRITEABLE:
/* we will send our packet... */
pss->len = sprintf((char *)&pss->buf[LWS_SEND_BUFFER_PRE_PADDING], "hello from libwebsockets-test-echo client pid %d index %d\n", getpid(), pss->index++);
lwsl_notice("Client TX: %s", &pss->buf[LWS_SEND_BUFFER_PRE_PADDING]);
n = libwebsocket_write(wsi, &pss->buf[LWS_SEND_BUFFER_PRE_PADDING], pss->len, LWS_WRITE_TEXT);
if (n < 0) {
lwsl_err("ERROR %d writing to socket, hanging up\n", n);
return -1;
}
if (n < (int)pss->len) {
lwsl_err("Partial write\n");
return -1;
}
break;
#endif
default:
break;
}
return 0;
}
static struct libwebsocket_protocols protocols[] = {
/* first protocol must always be HTTP handler */
{
"default", /* name */
callback_echo, /* callback */
sizeof(struct per_session_data__echo) /* per_session_data_size */
},
{
NULL, NULL, 0 /* End of list */
}
};
void sighandler(int sig)
{
force_exit = 1;
}
static struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "debug", required_argument, NULL, 'd' },
{ "port", required_argument, NULL, 'p' },
#ifndef LWS_NO_CLIENT
{ "client", required_argument, NULL, 'c' },
{ "ratems", required_argument, NULL, 'r' },
#endif
{ "ssl", no_argument, NULL, 's' },
{ "interface", required_argument, NULL, 'i' },
#ifndef LWS_NO_DAEMONIZE
{ "daemonize", no_argument, NULL, 'D' },
#endif
{ NULL, 0, 0, 0 }
};
int main(int argc, char **argv)
{
int n = 0;
int port = 7681;
int use_ssl = 0;
struct libwebsocket_context *context;
int opts = 0;
char interface_name[128] = "";
const char *interface = NULL;
#ifndef WIN32
int syslog_options = LOG_PID | LOG_PERROR;
#endif
int client = 0;
int listen_port;
struct lws_context_creation_info info;
#ifndef LWS_NO_CLIENT
char address[256];
int rate_us = 250000;
unsigned int oldus = 0;
struct libwebsocket *wsi;
#endif
int debug_level = 7;
#ifndef LWS_NO_DAEMONIZE
int daemonize = 0;
#endif
memset(&info, 0, sizeof info);
#ifndef LWS_NO_CLIENT
lwsl_notice("Built to support client operations\n");
#endif
#ifndef LWS_NO_SERVER
lwsl_notice("Built to support server operations\n");
#endif
while (n >= 0) {
n = getopt_long(argc, argv, "i:hsp:d:D"
#ifndef LWS_NO_CLIENT
"c:r:"
#endif
, options, NULL);
if (n < 0)
continue;
switch (n) {
#ifndef LWS_NO_DAEMONIZE
case 'D':
daemonize = 1;
#ifndef WIN32
syslog_options &= ~LOG_PERROR;
#endif
break;
#endif
#ifndef LWS_NO_CLIENT
case 'c':
client = 1;
strcpy(address, optarg);
port = 80;
break;
case 'r':
rate_us = atoi(optarg) * 1000;
break;
#endif
case 'd':
debug_level = atoi(optarg);
break;
case 's':
use_ssl = 1; /* 1 = take care about cert verification, 2 = allow anything */
break;
case 'p':
port = atoi(optarg);
break;
case 'i':
strncpy(interface_name, optarg, sizeof interface_name);
interface_name[(sizeof interface_name) - 1] = '\0';
interface = interface_name;
break;
case '?':
case 'h':
fprintf(stderr, "Usage: libwebsockets-test-echo "
"[--ssl] "
#ifndef LWS_NO_CLIENT
"[--client <remote ads>] "
"[--ratems <ms>] "
#endif
"[--port=<p>] "
"[-d <log bitfield>]\n");
exit(1);
}
}
#ifndef LWS_NO_DAEMONIZE
/*
* normally lock path would be /var/lock/lwsts or similar, to
* simplify getting started without having to take care about
* permissions or running as root, set to /tmp/.lwsts-lock
*/
#if defined(WIN32) || defined(_WIN32)
#else
if (!client && daemonize && lws_daemonize("/tmp/.lwstecho-lock")) {
fprintf(stderr, "Failed to daemonize\n");
return 1;
}
#endif
#endif
#ifdef WIN32
#else
/* we will only try to log things according to our debug_level */
setlogmask(LOG_UPTO (LOG_DEBUG));
openlog("lwsts", syslog_options, LOG_DAEMON);
/* tell the library what debug level to emit and to send it to syslog */
lws_set_log_level(debug_level, lwsl_emit_syslog);
#endif
lwsl_notice("libwebsockets echo test - "
"(C) Copyright 2010-2013 Andy Green <andy@warmcat.com> - "
"licensed under LGPL2.1\n");
#ifndef LWS_NO_CLIENT
if (client) {
lwsl_notice("Running in client mode\n");
listen_port = CONTEXT_PORT_NO_LISTEN;
if (use_ssl)
use_ssl = 2;
} else {
#endif
#ifndef LWS_NO_SERVER
lwsl_notice("Running in server mode\n");
listen_port = port;
#endif
#ifndef LWS_NO_CLIENT
}
#endif
info.port = listen_port;
info.iface = interface;
info.protocols = protocols;
#ifndef LWS_NO_EXTENSIONS
info.extensions = libwebsocket_get_internal_extensions();
#endif
if (use_ssl && !client) {
info.ssl_cert_filepath = LOCAL_RESOURCE_PATH"/libwebsockets-test-server.pem";
info.ssl_private_key_filepath = LOCAL_RESOURCE_PATH"/libwebsockets-test-server.key.pem";
}
info.gid = -1;
info.uid = -1;
info.options = opts;
context = libwebsocket_create_context(&info);
if (context == NULL) {
lwsl_err("libwebsocket init failed\n");
return -1;
}
#ifndef LWS_NO_CLIENT
if (client) {
lwsl_notice("Client connecting to %s:%u....\n", address, port);
/* we are in client mode */
wsi = libwebsocket_client_connect(context, address,
port, use_ssl, "/", address,
"origin", NULL, -1);
if (!wsi) {
lwsl_err("Client failed to connect to %s:%u\n", address, port);
goto bail;
}
lwsl_notice("Client connected to %s:%u\n", address, port);
}
#endif
signal(SIGINT, sighandler);
n = 0;
while (n >= 0 && !force_exit) {
#ifndef LWS_NO_CLIENT
struct timeval tv;
if (client) {
gettimeofday(&tv, NULL);
if (((unsigned int)tv.tv_usec - oldus) > (unsigned int)rate_us) {
libwebsocket_callback_on_writable_all_protocol(&protocols[0]);
oldus = tv.tv_usec;
}
}
#endif
n = libwebsocket_service(context, 10);
}
#ifndef LWS_NO_CLIENT
bail:
#endif
libwebsocket_context_destroy(context);
lwsl_notice("libwebsockets-test-echo exited cleanly\n");
#ifdef WIN32
#else
closelog();
#endif
return 0;
}

358
dependencies/libwebsockets/test-server/test-fraggle.c vendored Normal file
View File

@ -0,0 +1,358 @@
/*
* libwebsockets-test-fraggle - random fragmentation test
*
* Copyright (C) 2010-2011 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <string.h>
#include "../lib/libwebsockets.h"
#define LOCAL_RESOURCE_PATH INSTALL_DATADIR"/libwebsockets-test-server"
static int client;
static int terminate;
enum demo_protocols {
PROTOCOL_FRAGGLE,
/* always last */
DEMO_PROTOCOL_COUNT
};
/* fraggle protocol */
enum fraggle_states {
FRAGSTATE_START_MESSAGE,
FRAGSTATE_RANDOM_PAYLOAD,
FRAGSTATE_POST_PAYLOAD_SUM,
};
struct per_session_data__fraggle {
int packets_left;
int total_message;
unsigned long sum;
enum fraggle_states state;
};
static int
callback_fraggle(struct libwebsocket_context *context,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason,
void *user, void *in, size_t len)
{
int n;
unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 8000 +
LWS_SEND_BUFFER_POST_PADDING];
struct per_session_data__fraggle *psf = user;
int chunk;
int write_mode = LWS_WRITE_CONTINUATION;
unsigned long sum;
unsigned char *p = (unsigned char *)in;
unsigned char *bp = &buf[LWS_SEND_BUFFER_PRE_PADDING];
switch (reason) {
case LWS_CALLBACK_ESTABLISHED:
fprintf(stderr, "server sees client connect\n");
psf->state = FRAGSTATE_START_MESSAGE;
/* start the ball rolling */
libwebsocket_callback_on_writable(context, wsi);
break;
case LWS_CALLBACK_CLIENT_ESTABLISHED:
fprintf(stderr, "client connects to server\n");
psf->state = FRAGSTATE_START_MESSAGE;
break;
case LWS_CALLBACK_CLIENT_RECEIVE:
switch (psf->state) {
case FRAGSTATE_START_MESSAGE:
psf->state = FRAGSTATE_RANDOM_PAYLOAD;
psf->sum = 0;
psf->total_message = 0;
psf->packets_left = 0;
/* fallthru */
case FRAGSTATE_RANDOM_PAYLOAD:
for (n = 0; n < len; n++)
psf->sum += p[n];
psf->total_message += len;
psf->packets_left++;
if (libwebsocket_is_final_fragment(wsi))
psf->state = FRAGSTATE_POST_PAYLOAD_SUM;
break;
case FRAGSTATE_POST_PAYLOAD_SUM:
sum = p[0] << 24;
sum |= p[1] << 16;
sum |= p[2] << 8;
sum |= p[3];
if (sum == psf->sum)
fprintf(stderr, "EOM received %d correctly "
"from %d fragments\n",
psf->total_message, psf->packets_left);
else
fprintf(stderr, "**** ERROR at EOM: "
"length %d, rx sum = 0x%lX, "
"server says it sent 0x%lX\n",
psf->total_message, psf->sum, sum);
psf->state = FRAGSTATE_START_MESSAGE;
break;
}
break;
case LWS_CALLBACK_SERVER_WRITEABLE:
switch (psf->state) {
case FRAGSTATE_START_MESSAGE:
psf->packets_left = (random() % 1024) + 1;
fprintf(stderr, "Spamming %d random fragments\n",
psf->packets_left);
psf->sum = 0;
psf->total_message = 0;
write_mode = LWS_WRITE_BINARY;
psf->state = FRAGSTATE_RANDOM_PAYLOAD;
/* fallthru */
case FRAGSTATE_RANDOM_PAYLOAD:
/*
* note how one chunk can be 8000, but we use the
* default rx buffer size of 4096, so we exercise the
* code for rx spill because the rx buffer is full
*/
chunk = (random() % 8000) + 1;
psf->total_message += chunk;
libwebsockets_get_random(context, bp, chunk);
for (n = 0; n < chunk; n++)
psf->sum += bp[n];
psf->packets_left--;
if (psf->packets_left)
write_mode |= LWS_WRITE_NO_FIN;
else
psf->state = FRAGSTATE_POST_PAYLOAD_SUM;
n = libwebsocket_write(wsi, bp, chunk, write_mode);
if (n < 0)
return -1;
if (n < chunk) {
lwsl_err("Partial write\n");
return -1;
}
libwebsocket_callback_on_writable(context, wsi);
break;
case FRAGSTATE_POST_PAYLOAD_SUM:
fprintf(stderr, "Spamming session over, "
"len = %d. sum = 0x%lX\n",
psf->total_message, psf->sum);
bp[0] = psf->sum >> 24;
bp[1] = psf->sum >> 16;
bp[2] = psf->sum >> 8;
bp[3] = psf->sum;
n = libwebsocket_write(wsi, (unsigned char *)bp,
4, LWS_WRITE_BINARY);
if (n < 0)
return -1;
if (n < 4) {
lwsl_err("Partial write\n");
return -1;
}
psf->state = FRAGSTATE_START_MESSAGE;
libwebsocket_callback_on_writable(context, wsi);
break;
}
break;
case LWS_CALLBACK_CLOSED:
terminate = 1;
break;
/* because we are protocols[0] ... */
case LWS_CALLBACK_CLIENT_CONFIRM_EXTENSION_SUPPORTED:
if (strcmp(in, "deflate-stream") == 0) {
fprintf(stderr, "denied deflate-stream extension\n");
return 1;
}
break;
default:
break;
}
return 0;
}
/* list of supported protocols and callbacks */
static struct libwebsocket_protocols protocols[] = {
{
"fraggle-protocol",
callback_fraggle,
sizeof(struct per_session_data__fraggle),
},
{
NULL, NULL, 0 /* End of list */
}
};
static struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "debug", required_argument, NULL, 'd' },
{ "port", required_argument, NULL, 'p' },
{ "ssl", no_argument, NULL, 's' },
{ "interface", required_argument, NULL, 'i' },
{ "client", no_argument, NULL, 'c' },
{ NULL, 0, 0, 0 }
};
int main(int argc, char **argv)
{
int n = 0;
int port = 7681;
int use_ssl = 0;
struct libwebsocket_context *context;
int opts = 0;
char interface_name[128] = "";
const char *iface = NULL;
struct libwebsocket *wsi;
const char *address;
int server_port = port;
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
fprintf(stderr, "libwebsockets test fraggle\n"
"(C) Copyright 2010-2013 Andy Green <andy@warmcat.com> "
"licensed under LGPL2.1\n");
while (n >= 0) {
n = getopt_long(argc, argv, "ci:hsp:d:", options, NULL);
if (n < 0)
continue;
switch (n) {
case 'd':
lws_set_log_level(atoi(optarg), NULL);
break;
case 's':
use_ssl = 1;
break;
case 'p':
port = atoi(optarg);
server_port = port;
break;
case 'i':
strncpy(interface_name, optarg, sizeof interface_name);
interface_name[(sizeof interface_name) - 1] = '\0';
iface = interface_name;
break;
case 'c':
client = 1;
fprintf(stderr, " Client mode\n");
break;
case 'h':
fprintf(stderr, "Usage: libwebsockets-test-fraggle "
"[--port=<p>] [--ssl] "
"[-d <log bitfield>] "
"[--client]\n");
exit(1);
}
}
if (client) {
server_port = CONTEXT_PORT_NO_LISTEN;
if (optind >= argc) {
fprintf(stderr, "Must give address of server\n");
return 1;
}
}
info.port = server_port;
info.iface = iface;
info.protocols = protocols;
#ifndef LWS_NO_EXTENSIONS
info.extensions = libwebsocket_get_internal_extensions();
#endif
if (use_ssl) {
info.ssl_cert_filepath = LOCAL_RESOURCE_PATH"/libwebsockets-test-server.pem";
info.ssl_private_key_filepath = LOCAL_RESOURCE_PATH"/libwebsockets-test-server.key.pem";
}
info.gid = -1;
info.uid = -1;
info.options = opts;
context = libwebsocket_create_context(&info);
if (context == NULL) {
fprintf(stderr, "libwebsocket init failed\n");
return -1;
}
if (client) {
address = argv[optind];
fprintf(stderr, "Connecting to %s:%u\n", address, port);
wsi = libwebsocket_client_connect(context, address,
port, use_ssl, "/", address,
"origin", protocols[PROTOCOL_FRAGGLE].name,
-1);
if (wsi == NULL) {
fprintf(stderr, "Client connect to server failed\n");
goto bail;
}
}
n = 0;
while (!n && !terminate)
n = libwebsocket_service(context, 50);
fprintf(stderr, "Terminating...\n");
bail:
libwebsocket_context_destroy(context);
return 0;
}

543
dependencies/libwebsockets/test-server/test-ping.c vendored Normal file
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@ -0,0 +1,543 @@
/*
* libwebsockets-test-ping - libwebsockets floodping
*
* Copyright (C) 2011 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <string.h>
#include <signal.h>
#include <sys/types.h>
#ifndef _WIN32
#include <netdb.h>
#include <sys/socket.h>
#include <sys/time.h>
#include <sys/ioctl.h>
#include <poll.h>
#include <unistd.h>
#endif
#ifdef CMAKE_BUILD
#include "lws_config.h"
#endif
#include "../lib/libwebsockets.h"
/*
* this is specified in the 04 standard, control frames can only have small
* payload length styles
*/
#define MAX_PING_PAYLOAD 125
#define MAX_MIRROR_PAYLOAD 4096
#define MAX_PING_CLIENTS 256
#define PING_RINGBUFFER_SIZE 256
static struct libwebsocket *ping_wsi[MAX_PING_CLIENTS];
static unsigned int interval_us = 1000000;
static unsigned int size = 64;
static int flood;
static const char *address;
static unsigned char pingbuf[LWS_SEND_BUFFER_PRE_PADDING + MAX_MIRROR_PAYLOAD +
LWS_SEND_BUFFER_POST_PADDING];
static char peer_name[128];
static unsigned long started;
static int screen_width = 80;
static int use_mirror;
static unsigned int write_options;
static unsigned long rtt_min = 100000000;
static unsigned long rtt_max;
static unsigned long rtt_avg;
static unsigned long global_rx_count;
static unsigned long global_tx_count;
static int clients = 1;
static unsigned long interrupted_time;
struct ping {
unsigned long issue_timestamp;
unsigned long index;
unsigned int seen;
};
struct per_session_data__ping {
unsigned long ping_index;
struct ping ringbuffer[PING_RINGBUFFER_SIZE];
int ringbuffer_head;
int ringbuffer_tail;
unsigned long rx_count;
};
/*
* uses the ping pong protocol features to provide an equivalent for the
* ping utility for 04+ websockets
*/
enum demo_protocols {
PROTOCOL_LWS_MIRROR,
/* always last */
DEMO_PROTOCOL_COUNT
};
static int
callback_lws_mirror(struct libwebsocket_context * this,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason,
void *user, void *in, size_t len)
{
struct timeval tv;
unsigned char *p;
int shift;
unsigned long l;
unsigned long iv;
int n;
int match = 0;
struct per_session_data__ping *psd = user;
switch (reason) {
case LWS_CALLBACK_CLOSED:
fprintf(stderr, "LWS_CALLBACK_CLOSED on %p\n", (void *)wsi);
/* remove closed guy */
for (n = 0; n < clients; n++)
if (ping_wsi[n] == wsi) {
clients--;
while (n < clients) {
ping_wsi[n] = ping_wsi[n + 1];
n++;
}
}
break;
case LWS_CALLBACK_CLIENT_ESTABLISHED:
psd->rx_count = 0;
psd->ping_index = 1;
psd->ringbuffer_head = 0;
psd->ringbuffer_tail = 0;
/*
* start the ball rolling,
* LWS_CALLBACK_CLIENT_WRITEABLE will come next service
*/
libwebsocket_callback_on_writable(this, wsi);
break;
case LWS_CALLBACK_CLIENT_RECEIVE:
case LWS_CALLBACK_CLIENT_RECEIVE_PONG:
gettimeofday(&tv, NULL);
iv = (tv.tv_sec * 1000000) + tv.tv_usec;
psd->rx_count++;
shift = 56;
p = in;
l = 0;
while (shift >= 0) {
l |= (*p++) << shift;
shift -= 8;
}
/* find it in the ringbuffer, look backwards from head */
n = psd->ringbuffer_head;
while (!match) {
if (psd->ringbuffer[n].index == l) {
psd->ringbuffer[n].seen++;
match = 1;
continue;
}
if (n == psd->ringbuffer_tail) {
match = -1;
continue;
}
if (n == 0)
n = PING_RINGBUFFER_SIZE - 1;
else
n--;
}
if (match < 1) {
if (!flood)
fprintf(stderr, "%d bytes from %s: req=%ld "
"time=(unknown)\n", (int)len, address, l);
else
fprintf(stderr, "\b \b");
break;
}
if (psd->ringbuffer[n].seen > 1)
fprintf(stderr, "DUP! ");
if ((iv - psd->ringbuffer[n].issue_timestamp) < rtt_min)
rtt_min = iv - psd->ringbuffer[n].issue_timestamp;
if ((iv - psd->ringbuffer[n].issue_timestamp) > rtt_max)
rtt_max = iv - psd->ringbuffer[n].issue_timestamp;
rtt_avg += iv - psd->ringbuffer[n].issue_timestamp;
global_rx_count++;
if (!flood)
fprintf(stderr, "%d bytes from %s: req=%ld "
"time=%lu.%lums\n", (int)len, address, l,
(iv - psd->ringbuffer[n].issue_timestamp) / 1000,
((iv - psd->ringbuffer[n].issue_timestamp) / 100) % 10);
else
fprintf(stderr, "\b \b");
break;
case LWS_CALLBACK_CLIENT_WRITEABLE:
shift = 56;
p = &pingbuf[LWS_SEND_BUFFER_PRE_PADDING];
/* 64-bit ping index in network byte order */
while (shift >= 0) {
*p++ = psd->ping_index >> shift;
shift -= 8;
}
while (p - &pingbuf[LWS_SEND_BUFFER_PRE_PADDING] < size)
*p++ = 0;
gettimeofday(&tv, NULL);
psd->ringbuffer[psd->ringbuffer_head].issue_timestamp =
(tv.tv_sec * 1000000) + tv.tv_usec;
psd->ringbuffer[psd->ringbuffer_head].index = psd->ping_index++;
psd->ringbuffer[psd->ringbuffer_head].seen = 0;
if (psd->ringbuffer_head == PING_RINGBUFFER_SIZE - 1)
psd->ringbuffer_head = 0;
else
psd->ringbuffer_head++;
/* snip any re-used tail so we keep to the ring length */
if (psd->ringbuffer_tail == psd->ringbuffer_head) {
if (psd->ringbuffer_tail == PING_RINGBUFFER_SIZE - 1)
psd->ringbuffer_tail = 0;
else
psd->ringbuffer_tail++;
}
global_tx_count++;
if (use_mirror)
n = libwebsocket_write(wsi,
&pingbuf[LWS_SEND_BUFFER_PRE_PADDING],
size, write_options | LWS_WRITE_BINARY);
else
n = libwebsocket_write(wsi,
&pingbuf[LWS_SEND_BUFFER_PRE_PADDING],
size, write_options | LWS_WRITE_PING);
if (n < 0)
return -1;
if (n < size) {
lwsl_err("Partial write\n");
return -1;
}
if (flood &&
(psd->ping_index - psd->rx_count) < (screen_width - 1))
fprintf(stderr, ".");
break;
default:
break;
}
return 0;
}
/* list of supported protocols and callbacks */
static struct libwebsocket_protocols protocols[] = {
{
"lws-mirror-protocol",
callback_lws_mirror,
sizeof (struct per_session_data__ping),
},
{
NULL, NULL, 0/* end of list */
}
};
static struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "debug", required_argument, NULL, 'd' },
{ "port", required_argument, NULL, 'p' },
{ "ssl", no_argument, NULL, 't' },
{ "interval", required_argument, NULL, 'i' },
{ "size", required_argument, NULL, 's' },
{ "protocol", required_argument, NULL, 'n' },
{ "flood", no_argument, NULL, 'f' },
{ "mirror", no_argument, NULL, 'm' },
{ "replicate", required_argument, NULL, 'r' },
{ "killmask", no_argument, NULL, 'k' },
{ "version", required_argument, NULL, 'v' },
{ NULL, 0, 0, 0 }
};
#ifndef WIN32
static void
signal_handler(int sig, siginfo_t *si, void *v)
{
struct timeval tv;
gettimeofday(&tv, NULL);
interrupted_time = (tv.tv_sec * 1000000) + tv.tv_usec;
}
#endif
int main(int argc, char **argv)
{
int n = 0;
int port = 7681;
int use_ssl = 0;
struct libwebsocket_context *context;
char protocol_name[256];
char ip[30];
#ifndef WIN32
struct sigaction sa;
struct winsize w;
#endif
struct timeval tv;
unsigned long oldus = 0;
unsigned long l;
int ietf_version = -1;
struct lws_context_creation_info info;
memset(&info, 0, sizeof info);
if (argc < 2)
goto usage;
address = argv[1];
optind++;
while (n >= 0) {
n = getopt_long(argc, argv, "v:kr:hmfts:n:i:p:d:", options, NULL);
if (n < 0)
continue;
switch (n) {
case 'd':
lws_set_log_level(atoi(optarg), NULL);
break;
case 'm':
use_mirror = 1;
break;
case 't':
use_ssl = 2; /* 2 = allow selfsigned */
break;
case 'p':
port = atoi(optarg);
break;
case 'n':
strncpy(protocol_name, optarg, sizeof protocol_name);
protocol_name[(sizeof protocol_name) - 1] = '\0';
protocols[PROTOCOL_LWS_MIRROR].name = protocol_name;
break;
case 'i':
interval_us = 1000000.0 * atof(optarg);
break;
case 's':
size = atoi(optarg);
break;
case 'f':
flood = 1;
break;
case 'r':
clients = atoi(optarg);
if (clients > MAX_PING_CLIENTS || clients < 1) {
fprintf(stderr, "Max clients supportd = %d\n",
MAX_PING_CLIENTS);
return 1;
}
break;
case 'k':
write_options = LWS_WRITE_CLIENT_IGNORE_XOR_MASK;
break;
case 'v':
ietf_version = atoi(optarg);
break;
case 'h':
goto usage;
}
}
if (!use_mirror) {
if (size > MAX_PING_PAYLOAD) {
fprintf(stderr, "Max ping opcode payload size %d\n",
MAX_PING_PAYLOAD);
return 1;
}
} else {
if (size > MAX_MIRROR_PAYLOAD) {
fprintf(stderr, "Max mirror payload size %d\n",
MAX_MIRROR_PAYLOAD);
return 1;
}
}
#ifndef WIN32
if (isatty(STDOUT_FILENO))
if (ioctl(STDOUT_FILENO, TIOCGWINSZ, &w) != -1)
if (w.ws_col > 0)
screen_width = w.ws_col;
#endif
info.port = CONTEXT_PORT_NO_LISTEN;
info.protocols = protocols;
#ifndef LWS_NO_EXTENSIONS
info.extensions = libwebsocket_get_internal_extensions();
#endif
info.gid = -1;
info.uid = -1;
context = libwebsocket_create_context(&info);
if (context == NULL) {
fprintf(stderr, "Creating libwebsocket context failed\n");
return 1;
}
/* create client websockets using dumb increment protocol */
for (n = 0; n < clients; n++) {
ping_wsi[n] = libwebsocket_client_connect(context, address,
port, use_ssl, "/", address,
"origin", protocols[PROTOCOL_LWS_MIRROR].name,
ietf_version);
if (ping_wsi[n] == NULL) {
fprintf(stderr, "client connection %d failed to "
"connect\n", n);
return 1;
}
}
libwebsockets_get_peer_addresses(context, ping_wsi[0],
libwebsocket_get_socket_fd(ping_wsi[0]),
peer_name, sizeof peer_name, ip, sizeof ip);
fprintf(stderr, "Websocket PING %s (%s) %d bytes of data.\n",
peer_name, ip, size);
#ifndef WIN32
/* set the ^C handler */
sa.sa_sigaction = signal_handler;
sa.sa_flags = SA_SIGINFO;
sigemptyset(&sa.sa_mask);
sigaction(SIGINT, &sa, NULL);
#endif
gettimeofday(&tv, NULL);
started = (tv.tv_sec * 1000000) + tv.tv_usec;
/* service loop */
n = 0;
while (n >= 0) {
gettimeofday(&tv, NULL);
l = (tv.tv_sec * 1000000) + tv.tv_usec;
/* servers can hang up on us */
if (clients == 0) {
n = -1;
continue;
}
if (!interrupted_time) {
if ((l - oldus) > interval_us) {
for (n = 0; n < clients; n++)
libwebsocket_callback_on_writable(
context, ping_wsi[n]);
oldus = l;
}
} else
/* allow time for in-flight pongs to come */
if ((l - interrupted_time) > 250000) {
n = -1;
continue;
}
if (!interval_us)
n = libwebsocket_service(context, 0);
else
n = libwebsocket_service(context, 1);
}
/* stats */
fprintf(stderr, "\n--- %s websocket ping statistics "
"using %d connections ---\n"
"%lu packets transmitted, %lu received, "
"%lu%% packet loss, time %ldms\n"
"rtt min/avg/max = %0.3f/%0.3f/%0.3f ms\n"
"payload bandwidth average %0.3f KiBytes/sec\n",
peer_name, clients, global_tx_count, global_rx_count,
((global_tx_count - global_rx_count) * 100) / global_tx_count,
(l - started) / 1000,
((double)rtt_min) / 1000.0,
((double)rtt_avg / global_rx_count) / 1000.0,
((double)rtt_max) / 1000.0,
((double)global_rx_count * (double)size) /
((double)(l - started) / 1000000.0) / 1024.0);
libwebsocket_context_destroy(context);
return 0;
usage:
fprintf(stderr, "Usage: libwebsockets-test-ping "
"<server address> [--port=<p>] "
"[--ssl] [--interval=<float sec>] "
"[--size=<bytes>] "
"[--protocol=<protocolname>] "
"[--mirror] "
"[--replicate=clients>] "
"[--version <version>] "
"[-d <log bitfield> ]"
"\n");
return 1;
}

968
dependencies/libwebsockets/test-server/test-server.c vendored Normal file
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@ -0,0 +1,968 @@
/*
* libwebsockets-test-server - libwebsockets test implementation
*
* Copyright (C) 2010-2011 Andy Green <andy@warmcat.com>
*
* This library is free software; you can redistribute it and/or
* modify it under the terms of the GNU Lesser General Public
* License as published by the Free Software Foundation:
* version 2.1 of the License.
*
* This library is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
* Lesser General Public License for more details.
*
* You should have received a copy of the GNU Lesser General Public
* License along with this library; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston,
* MA 02110-1301 USA
*/
#ifdef CMAKE_BUILD
#include "lws_config.h"
#endif
#include <stdio.h>
#include <stdlib.h>
#include <getopt.h>
#include <signal.h>
#include <string.h>
#include <sys/stat.h>
#include <fcntl.h>
#include <assert.h>
#ifdef _WIN32
#include <io.h>
#ifdef EXTERNAL_POLL
#define poll WSAPoll
#endif
#else
#include <syslog.h>
#include <sys/time.h>
#include <unistd.h>
#endif
#include "../lib/libwebsockets.h"
static int close_testing;
int max_poll_elements;
struct pollfd *pollfds;
int *fd_lookup;
int count_pollfds;
static volatile int force_exit = 0;
static struct libwebsocket_context *context;
/*
* This demo server shows how to use libwebsockets for one or more
* websocket protocols in the same server
*
* It defines the following websocket protocols:
*
* dumb-increment-protocol: once the socket is opened, an incrementing
* ascii string is sent down it every 50ms.
* If you send "reset\n" on the websocket, then
* the incrementing number is reset to 0.
*
* lws-mirror-protocol: copies any received packet to every connection also
* using this protocol, including the sender
*/
enum demo_protocols {
/* always first */
PROTOCOL_HTTP = 0,
PROTOCOL_DUMB_INCREMENT,
PROTOCOL_LWS_MIRROR,
/* always last */
DEMO_PROTOCOL_COUNT
};
#define LOCAL_RESOURCE_PATH INSTALL_DATADIR"/libwebsockets-test-server"
char *resource_path = LOCAL_RESOURCE_PATH;
/*
* We take a strict whitelist approach to stop ../ attacks
*/
struct serveable {
const char *urlpath;
const char *mimetype;
};
struct per_session_data__http {
int fd;
};
/*
* this is just an example of parsing handshake headers, you don't need this
* in your code unless you will filter allowing connections by the header
* content
*/
static void
dump_handshake_info(struct libwebsocket *wsi)
{
int n;
static const char *token_names[] = {
/*[WSI_TOKEN_GET_URI] =*/ "GET URI",
/*[WSI_TOKEN_POST_URI] =*/ "POST URI",
/*[WSI_TOKEN_HOST] =*/ "Host",
/*[WSI_TOKEN_CONNECTION] =*/ "Connection",
/*[WSI_TOKEN_KEY1] =*/ "key 1",
/*[WSI_TOKEN_KEY2] =*/ "key 2",
/*[WSI_TOKEN_PROTOCOL] =*/ "Protocol",
/*[WSI_TOKEN_UPGRADE] =*/ "Upgrade",
/*[WSI_TOKEN_ORIGIN] =*/ "Origin",
/*[WSI_TOKEN_DRAFT] =*/ "Draft",
/*[WSI_TOKEN_CHALLENGE] =*/ "Challenge",
/* new for 04 */
/*[WSI_TOKEN_KEY] =*/ "Key",
/*[WSI_TOKEN_VERSION] =*/ "Version",
/*[WSI_TOKEN_SWORIGIN] =*/ "Sworigin",
/* new for 05 */
/*[WSI_TOKEN_EXTENSIONS] =*/ "Extensions",
/* client receives these */
/*[WSI_TOKEN_ACCEPT] =*/ "Accept",
/*[WSI_TOKEN_NONCE] =*/ "Nonce",
/*[WSI_TOKEN_HTTP] =*/ "Http",
"Accept:",
"If-Modified-Since:",
"Accept-Encoding:",
"Accept-Language:",
"Pragma:",
"Cache-Control:",
"Authorization:",
"Cookie:",
"Content-Length:",
"Content-Type:",
"Date:",
"Range:",
"Referer:",
"Uri-Args:",
/*[WSI_TOKEN_MUXURL] =*/ "MuxURL",
};
char buf[256];
for (n = 0; n < sizeof(token_names) / sizeof(token_names[0]); n++) {
if (!lws_hdr_total_length(wsi, n))
continue;
lws_hdr_copy(wsi, buf, sizeof buf, n);
fprintf(stderr, " %s = %s\n", token_names[n], buf);
}
}
const char * get_mimetype(const char *file)
{
int n = strlen(file);
if (n < 5)
return NULL;
if (!strcmp(&file[n - 4], ".ico"))
return "image/x-icon";
if (!strcmp(&file[n - 4], ".png"))
return "image/png";
if (!strcmp(&file[n - 5], ".html"))
return "text/html";
return NULL;
}
/* this protocol server (always the first one) just knows how to do HTTP */
static int callback_http(struct libwebsocket_context *context,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason, void *user,
void *in, size_t len)
{
#if 0
char client_name[128];
char client_ip[128];
#endif
char buf[256];
char leaf_path[1024];
char b64[64];
struct timeval tv;
int n, m;
unsigned char *p;
char *other_headers;
static unsigned char buffer[4096];
struct stat stat_buf;
struct per_session_data__http *pss =
(struct per_session_data__http *)user;
const char *mimetype;
#ifdef EXTERNAL_POLL
struct libwebsocket_pollargs *pa = (struct libwebsocket_pollargs *)in;
#endif
switch (reason) {
case LWS_CALLBACK_HTTP:
dump_handshake_info(wsi);
if (len < 1) {
libwebsockets_return_http_status(context, wsi,
HTTP_STATUS_BAD_REQUEST, NULL);
return -1;
}
/* this server has no concept of directories */
if (strchr((const char *)in + 1, '/')) {
libwebsockets_return_http_status(context, wsi,
HTTP_STATUS_FORBIDDEN, NULL);
return -1;
}
/* if a legal POST URL, let it continue and accept data */
if (lws_hdr_total_length(wsi, WSI_TOKEN_POST_URI))
return 0;
/* check for the "send a big file by hand" example case */
if (!strcmp((const char *)in, "/leaf.jpg")) {
if (strlen(resource_path) > sizeof(leaf_path) - 10)
return -1;
sprintf(leaf_path, "%s/leaf.jpg", resource_path);
/* well, let's demonstrate how to send the hard way */
p = buffer;
#ifdef WIN32
pss->fd = open(leaf_path, O_RDONLY | _O_BINARY);
#else
pss->fd = open(leaf_path, O_RDONLY);
#endif
if (pss->fd < 0)
return -1;
fstat(pss->fd, &stat_buf);
/*
* we will send a big jpeg file, but it could be
* anything. Set the Content-Type: appropriately
* so the browser knows what to do with it.
*/
p += sprintf((char *)p,
"HTTP/1.0 200 OK\x0d\x0a"
"Server: libwebsockets\x0d\x0a"
"Content-Type: image/jpeg\x0d\x0a"
"Content-Length: %u\x0d\x0a\x0d\x0a",
(unsigned int)stat_buf.st_size);
/*
* send the http headers...
* this won't block since it's the first payload sent
* on the connection since it was established
* (too small for partial)
*/
n = libwebsocket_write(wsi, buffer,
p - buffer, LWS_WRITE_HTTP);
if (n < 0) {
close(pss->fd);
return -1;
}
/*
* book us a LWS_CALLBACK_HTTP_WRITEABLE callback
*/
libwebsocket_callback_on_writable(context, wsi);
break;
}
/* if not, send a file the easy way */
strcpy(buf, resource_path);
if (strcmp(in, "/")) {
if (*((const char *)in) != '/')
strcat(buf, "/");
strncat(buf, in, sizeof(buf) - strlen(resource_path));
} else /* default file to serve */
strcat(buf, "/test.html");
buf[sizeof(buf) - 1] = '\0';
/* refuse to serve files we don't understand */
mimetype = get_mimetype(buf);
if (!mimetype) {
lwsl_err("Unknown mimetype for %s\n", buf);
libwebsockets_return_http_status(context, wsi,
HTTP_STATUS_UNSUPPORTED_MEDIA_TYPE, NULL);
return -1;
}
/* demostrates how to set a cookie on / */
other_headers = NULL;
if (!strcmp((const char *)in, "/") &&
!lws_hdr_total_length(wsi, WSI_TOKEN_HTTP_COOKIE)) {
/* this isn't very unguessable but it'll do for us */
gettimeofday(&tv, NULL);
sprintf(b64, "LWS_%u_%u_COOKIE",
(unsigned int)tv.tv_sec,
(unsigned int)tv.tv_usec);
sprintf(leaf_path,
"Set-Cookie: test=LWS_%u_%u_COOKIE;Max-Age=360000\x0d\x0a",
(unsigned int)tv.tv_sec, (unsigned int)tv.tv_usec);
other_headers = leaf_path;
lwsl_err(other_headers);
}
if (libwebsockets_serve_http_file(context, wsi, buf,
mimetype, other_headers))
return -1; /* through completion or error, close the socket */
/*
* notice that the sending of the file completes asynchronously,
* we'll get a LWS_CALLBACK_HTTP_FILE_COMPLETION callback when
* it's done
*/
break;
case LWS_CALLBACK_HTTP_BODY:
strncpy(buf, in, 20);
buf[20] = '\0';
if (len < 20)
buf[len] = '\0';
lwsl_notice("LWS_CALLBACK_HTTP_BODY: %s... len %d\n",
(const char *)buf, (int)len);
break;
case LWS_CALLBACK_HTTP_BODY_COMPLETION:
lwsl_notice("LWS_CALLBACK_HTTP_BODY_COMPLETION\n");
/* the whole of the sent body arried, close the connection */
libwebsockets_return_http_status(context, wsi,
HTTP_STATUS_OK, NULL);
return -1;
case LWS_CALLBACK_HTTP_FILE_COMPLETION:
// lwsl_info("LWS_CALLBACK_HTTP_FILE_COMPLETION seen\n");
/* kill the connection after we sent one file */
return -1;
case LWS_CALLBACK_HTTP_WRITEABLE:
/*
* we can send more of whatever it is we were sending
*/
do {
n = read(pss->fd, buffer, sizeof buffer);
/* problem reading, close conn */
if (n < 0)
goto bail;
/* sent it all, close conn */
if (n == 0)
goto flush_bail;
/*
* because it's HTTP and not websocket, don't need to take
* care about pre and postamble
*/
m = libwebsocket_write(wsi, buffer, n, LWS_WRITE_HTTP);
if (m < 0)
/* write failed, close conn */
goto bail;
if (m != n)
/* partial write, adjust */
lseek(pss->fd, m - n, SEEK_CUR);
if (m) /* while still active, extend timeout */
libwebsocket_set_timeout(wsi,
PENDING_TIMEOUT_HTTP_CONTENT, 5);
} while (!lws_send_pipe_choked(wsi));
libwebsocket_callback_on_writable(context, wsi);
break;
flush_bail:
/* true if still partial pending */
if (lws_send_pipe_choked(wsi)) {
libwebsocket_callback_on_writable(context, wsi);
break;
}
bail:
close(pss->fd);
return -1;
/*
* callback for confirming to continue with client IP appear in
* protocol 0 callback since no websocket protocol has been agreed
* yet. You can just ignore this if you won't filter on client IP
* since the default uhandled callback return is 0 meaning let the
* connection continue.
*/
case LWS_CALLBACK_FILTER_NETWORK_CONNECTION:
#if 0
libwebsockets_get_peer_addresses(context, wsi, (int)(long)in, client_name,
sizeof(client_name), client_ip, sizeof(client_ip));
fprintf(stderr, "Received network connect from %s (%s)\n",
client_name, client_ip);
#endif
/* if we returned non-zero from here, we kill the connection */
break;
#ifdef EXTERNAL_POLL
/*
* callbacks for managing the external poll() array appear in
* protocol 0 callback
*/
case LWS_CALLBACK_LOCK_POLL:
/*
* lock mutex to protect pollfd state
* called before any other POLL related callback
*/
break;
case LWS_CALLBACK_UNLOCK_POLL:
/*
* unlock mutex to protect pollfd state when
* called after any other POLL related callback
*/
break;
case LWS_CALLBACK_ADD_POLL_FD:
if (count_pollfds >= max_poll_elements) {
lwsl_err("LWS_CALLBACK_ADD_POLL_FD: too many sockets to track\n");
return 1;
}
fd_lookup[pa->fd] = count_pollfds;
pollfds[count_pollfds].fd = pa->fd;
pollfds[count_pollfds].events = pa->events;
pollfds[count_pollfds++].revents = 0;
break;
case LWS_CALLBACK_DEL_POLL_FD:
if (!--count_pollfds)
break;
m = fd_lookup[pa->fd];
/* have the last guy take up the vacant slot */
pollfds[m] = pollfds[count_pollfds];
fd_lookup[pollfds[count_pollfds].fd] = m;
break;
case LWS_CALLBACK_CHANGE_MODE_POLL_FD:
pollfds[fd_lookup[pa->fd]].events = pa->events;
break;
#endif
case LWS_CALLBACK_GET_THREAD_ID:
/*
* if you will call "libwebsocket_callback_on_writable"
* from a different thread, return the caller thread ID
* here so lws can use this information to work out if it
* should signal the poll() loop to exit and restart early
*/
/* return pthread_getthreadid_np(); */
break;
default:
break;
}
return 0;
}
/* dumb_increment protocol */
/*
* one of these is auto-created for each connection and a pointer to the
* appropriate instance is passed to the callback in the user parameter
*
* for this example protocol we use it to individualize the count for each
* connection.
*/
struct per_session_data__dumb_increment {
int number;
};
static int
callback_dumb_increment(struct libwebsocket_context *context,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason,
void *user, void *in, size_t len)
{
int n, m;
unsigned char buf[LWS_SEND_BUFFER_PRE_PADDING + 512 +
LWS_SEND_BUFFER_POST_PADDING];
unsigned char *p = &buf[LWS_SEND_BUFFER_PRE_PADDING];
struct per_session_data__dumb_increment *pss = (struct per_session_data__dumb_increment *)user;
switch (reason) {
case LWS_CALLBACK_ESTABLISHED:
lwsl_info("callback_dumb_increment: "
"LWS_CALLBACK_ESTABLISHED\n");
pss->number = 0;
break;
case LWS_CALLBACK_SERVER_WRITEABLE:
n = sprintf((char *)p, "%d", pss->number++);
m = libwebsocket_write(wsi, p, n, LWS_WRITE_TEXT);
if (m < n) {
lwsl_err("ERROR %d writing to di socket\n", n);
return -1;
}
if (close_testing && pss->number == 50) {
lwsl_info("close tesing limit, closing\n");
return -1;
}
break;
case LWS_CALLBACK_RECEIVE:
// fprintf(stderr, "rx %d\n", (int)len);
if (len < 6)
break;
if (strcmp((const char *)in, "reset\n") == 0)
pss->number = 0;
break;
/*
* this just demonstrates how to use the protocol filter. If you won't
* study and reject connections based on header content, you don't need
* to handle this callback
*/
case LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION:
dump_handshake_info(wsi);
/* you could return non-zero here and kill the connection */
break;
default:
break;
}
return 0;
}
/* lws-mirror_protocol */
#define MAX_MESSAGE_QUEUE 32
struct per_session_data__lws_mirror {
struct libwebsocket *wsi;
int ringbuffer_tail;
};
struct a_message {
void *payload;
size_t len;
};
static struct a_message ringbuffer[MAX_MESSAGE_QUEUE];
static int ringbuffer_head;
static int
callback_lws_mirror(struct libwebsocket_context *context,
struct libwebsocket *wsi,
enum libwebsocket_callback_reasons reason,
void *user, void *in, size_t len)
{
int n;
struct per_session_data__lws_mirror *pss = (struct per_session_data__lws_mirror *)user;
switch (reason) {
case LWS_CALLBACK_ESTABLISHED:
lwsl_info("callback_lws_mirror: LWS_CALLBACK_ESTABLISHED\n");
pss->ringbuffer_tail = ringbuffer_head;
pss->wsi = wsi;
break;
case LWS_CALLBACK_PROTOCOL_DESTROY:
lwsl_notice("mirror protocol cleaning up\n");
for (n = 0; n < sizeof ringbuffer / sizeof ringbuffer[0]; n++)
if (ringbuffer[n].payload)
free(ringbuffer[n].payload);
break;
case LWS_CALLBACK_SERVER_WRITEABLE:
if (close_testing)
break;
while (pss->ringbuffer_tail != ringbuffer_head) {
n = libwebsocket_write(wsi, (unsigned char *)
ringbuffer[pss->ringbuffer_tail].payload +
LWS_SEND_BUFFER_PRE_PADDING,
ringbuffer[pss->ringbuffer_tail].len,
LWS_WRITE_TEXT);
if (n < 0) {
lwsl_err("ERROR %d writing to mirror socket\n", n);
return -1;
}
if (n < ringbuffer[pss->ringbuffer_tail].len)
lwsl_err("mirror partial write %d vs %d\n",
n, ringbuffer[pss->ringbuffer_tail].len);
if (pss->ringbuffer_tail == (MAX_MESSAGE_QUEUE - 1))
pss->ringbuffer_tail = 0;
else
pss->ringbuffer_tail++;
if (((ringbuffer_head - pss->ringbuffer_tail) &
(MAX_MESSAGE_QUEUE - 1)) == (MAX_MESSAGE_QUEUE - 15))
libwebsocket_rx_flow_allow_all_protocol(
libwebsockets_get_protocol(wsi));
// lwsl_debug("tx fifo %d\n", (ringbuffer_head - pss->ringbuffer_tail) & (MAX_MESSAGE_QUEUE - 1));
if (lws_send_pipe_choked(wsi)) {
libwebsocket_callback_on_writable(context, wsi);
break;
}
/*
* for tests with chrome on same machine as client and
* server, this is needed to stop chrome choking
*/
#ifdef _WIN32
Sleep(1);
#else
usleep(1);
#endif
}
break;
case LWS_CALLBACK_RECEIVE:
if (((ringbuffer_head - pss->ringbuffer_tail) &
(MAX_MESSAGE_QUEUE - 1)) == (MAX_MESSAGE_QUEUE - 1)) {
lwsl_err("dropping!\n");
goto choke;
}
if (ringbuffer[ringbuffer_head].payload)
free(ringbuffer[ringbuffer_head].payload);
ringbuffer[ringbuffer_head].payload =
malloc(LWS_SEND_BUFFER_PRE_PADDING + len +
LWS_SEND_BUFFER_POST_PADDING);
ringbuffer[ringbuffer_head].len = len;
memcpy((char *)ringbuffer[ringbuffer_head].payload +
LWS_SEND_BUFFER_PRE_PADDING, in, len);
if (ringbuffer_head == (MAX_MESSAGE_QUEUE - 1))
ringbuffer_head = 0;
else
ringbuffer_head++;
if (((ringbuffer_head - pss->ringbuffer_tail) &
(MAX_MESSAGE_QUEUE - 1)) != (MAX_MESSAGE_QUEUE - 2))
goto done;
choke:
lwsl_debug("LWS_CALLBACK_RECEIVE: throttling %p\n", wsi);
libwebsocket_rx_flow_control(wsi, 0);
// lwsl_debug("rx fifo %d\n", (ringbuffer_head - pss->ringbuffer_tail) & (MAX_MESSAGE_QUEUE - 1));
done:
libwebsocket_callback_on_writable_all_protocol(
libwebsockets_get_protocol(wsi));
break;
/*
* this just demonstrates how to use the protocol filter. If you won't
* study and reject connections based on header content, you don't need
* to handle this callback
*/
case LWS_CALLBACK_FILTER_PROTOCOL_CONNECTION:
dump_handshake_info(wsi);
/* you could return non-zero here and kill the connection */
break;
default:
break;
}
return 0;
}
/* list of supported protocols and callbacks */
static struct libwebsocket_protocols protocols[] = {
/* first protocol must always be HTTP handler */
{
"http-only", /* name */
callback_http, /* callback */
sizeof (struct per_session_data__http), /* per_session_data_size */
0, /* max frame size / rx buffer */
},
{
"dumb-increment-protocol",
callback_dumb_increment,
sizeof(struct per_session_data__dumb_increment),
10,
},
{
"lws-mirror-protocol",
callback_lws_mirror,
sizeof(struct per_session_data__lws_mirror),
128,
},
{ NULL, NULL, 0, 0 } /* terminator */
};
void sighandler(int sig)
{
force_exit = 1;
libwebsocket_cancel_service(context);
}
static struct option options[] = {
{ "help", no_argument, NULL, 'h' },
{ "debug", required_argument, NULL, 'd' },
{ "port", required_argument, NULL, 'p' },
{ "ssl", no_argument, NULL, 's' },
{ "allow-non-ssl", no_argument, NULL, 'a' },
{ "interface", required_argument, NULL, 'i' },
{ "closetest", no_argument, NULL, 'c' },
{ "libev", no_argument, NULL, 'e' },
#ifndef LWS_NO_DAEMONIZE
{ "daemonize", no_argument, NULL, 'D' },
#endif
{ "resource_path", required_argument, NULL, 'r' },
{ NULL, 0, 0, 0 }
};
int main(int argc, char **argv)
{
char cert_path[1024];
char key_path[1024];
int n = 0;
int use_ssl = 0;
int opts = 0;
char interface_name[128] = "";
const char *iface = NULL;
#ifndef WIN32
int syslog_options = LOG_PID | LOG_PERROR;
#endif
unsigned int ms, oldms = 0;
struct lws_context_creation_info info;
int debug_level = 7;
#ifndef LWS_NO_DAEMONIZE
int daemonize = 0;
#endif
memset(&info, 0, sizeof info);
info.port = 7681;
while (n >= 0) {
n = getopt_long(argc, argv, "eci:hsap:d:Dr:", options, NULL);
if (n < 0)
continue;
switch (n) {
case 'e':
opts |= LWS_SERVER_OPTION_LIBEV;
break;
#ifndef LWS_NO_DAEMONIZE
case 'D':
daemonize = 1;
#ifndef WIN32
syslog_options &= ~LOG_PERROR;
#endif
break;
#endif
case 'd':
debug_level = atoi(optarg);
break;
case 's':
use_ssl = 1;
break;
case 'a':
opts |= LWS_SERVER_OPTION_ALLOW_NON_SSL_ON_SSL_PORT;
break;
case 'p':
info.port = atoi(optarg);
break;
case 'i':
strncpy(interface_name, optarg, sizeof interface_name);
interface_name[(sizeof interface_name) - 1] = '\0';
iface = interface_name;
break;
case 'c':
close_testing = 1;
fprintf(stderr, " Close testing mode -- closes on "
"client after 50 dumb increments"
"and suppresses lws_mirror spam\n");
break;
case 'r':
resource_path = optarg;
printf("Setting resource path to \"%s\"\n", resource_path);
break;
case 'h':
fprintf(stderr, "Usage: test-server "
"[--port=<p>] [--ssl] "
"[-d <log bitfield>] "
"[--resource_path <path>]\n");
exit(1);
}
}
#if !defined(LWS_NO_DAEMONIZE) && !defined(WIN32)
/*
* normally lock path would be /var/lock/lwsts or similar, to
* simplify getting started without having to take care about
* permissions or running as root, set to /tmp/.lwsts-lock
*/
if (daemonize && lws_daemonize("/tmp/.lwsts-lock")) {
fprintf(stderr, "Failed to daemonize\n");
return 1;
}
#endif
signal(SIGINT, sighandler);
#ifndef WIN32
/* we will only try to log things according to our debug_level */
setlogmask(LOG_UPTO (LOG_DEBUG));
openlog("lwsts", syslog_options, LOG_DAEMON);
#endif
/* tell the library what debug level to emit and to send it to syslog */
lws_set_log_level(debug_level, lwsl_emit_syslog);
lwsl_notice("libwebsockets test server - "
"(C) Copyright 2010-2013 Andy Green <andy@warmcat.com> - "
"licensed under LGPL2.1\n");
#ifdef EXTERNAL_POLL
max_poll_elements = getdtablesize();
pollfds = malloc(max_poll_elements * sizeof (struct pollfd));
fd_lookup = malloc(max_poll_elements * sizeof (int));
if (pollfds == NULL || fd_lookup == NULL) {
lwsl_err("Out of memory pollfds=%d\n", max_poll_elements);
return -1;
}
#endif
info.iface = iface;
info.protocols = protocols;
#ifndef LWS_NO_EXTENSIONS
info.extensions = libwebsocket_get_internal_extensions();
#endif
if (!use_ssl) {
info.ssl_cert_filepath = NULL;
info.ssl_private_key_filepath = NULL;
} else {
if (strlen(resource_path) > sizeof(cert_path) - 32) {
lwsl_err("resource path too long\n");
return -1;
}
sprintf(cert_path, "%s/libwebsockets-test-server.pem",
resource_path);
if (strlen(resource_path) > sizeof(key_path) - 32) {
lwsl_err("resource path too long\n");
return -1;
}
sprintf(key_path, "%s/libwebsockets-test-server.key.pem",
resource_path);
info.ssl_cert_filepath = cert_path;
info.ssl_private_key_filepath = key_path;
}
info.gid = -1;
info.uid = -1;
info.options = opts;
context = libwebsocket_create_context(&info);
if (context == NULL) {
lwsl_err("libwebsocket init failed\n");
return -1;
}
n = 0;
while (n >= 0 && !force_exit) {
struct timeval tv;
gettimeofday(&tv, NULL);
/*
* This provokes the LWS_CALLBACK_SERVER_WRITEABLE for every
* live websocket connection using the DUMB_INCREMENT protocol,
* as soon as it can take more packets (usually immediately)
*/
ms = (tv.tv_sec * 1000) + (tv.tv_usec / 1000);
if ((ms - oldms) > 50) {
libwebsocket_callback_on_writable_all_protocol(&protocols[PROTOCOL_DUMB_INCREMENT]);
oldms = ms;
}
#ifdef EXTERNAL_POLL
/*
* this represents an existing server's single poll action
* which also includes libwebsocket sockets
*/
n = poll(pollfds, count_pollfds, 50);
if (n < 0)
continue;
if (n)
for (n = 0; n < count_pollfds; n++)
if (pollfds[n].revents)
/*
* returns immediately if the fd does not
* match anything under libwebsockets
* control
*/
if (libwebsocket_service_fd(context,
&pollfds[n]) < 0)
goto done;
#else
/*
* If libwebsockets sockets are all we care about,
* you can use this api which takes care of the poll()
* and looping through finding who needed service.
*
* If no socket needs service, it'll return anyway after
* the number of ms in the second argument.
*/
n = libwebsocket_service(context, 50);
#endif
}
#ifdef EXTERNAL_POLL
done:
#endif
libwebsocket_context_destroy(context);
lwsl_notice("libwebsockets-test-server exited cleanly\n");
#ifndef WIN32
closelog();
#endif
return 0;
}

398
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<!DOCTYPE html>
<html lang="en">
<head>
<meta charset=utf-8 http-equiv="Content-Language" content="en"/>
<title>Minimal Websocket test app</title>
<style type="text/css">
div.title { font-size:18pt; font: Arial; font-weight:normal; text-align:center; color:#000000; }
.browser { font-size:18pt; font: Arial; font-weight:normal; text-align:center; color:#ffff00; vertical-align:middle; text-align:center; background:#d0b070; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px;}
.group2 { width:600px; vertical-align:middle; text-align:center; background:#f0f0e0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; }
.explain { vertical-align:middle; text-align:center; background:#f0f0c0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; color:#404000; }
.content { vertical-align:top; text-align:center; background:#fffff0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; }
.canvas { vertical-align:top; text-align:center; background:#efefd0; padding:12px; -webkit-border-radius:10px; -moz-border-radius:10px; border-radius:10px; }
</style>
</head>
<body>
<header></header>
<article>
<table><tr><td>
<table width="100%"><tr><td valign=middle align=center><a href="http://libwebsockets.org"><img src="/libwebsockets.org-logo.png"></a></td><td>
<section class="browser">Detected Browser: <div id=brow>...</div></section></td></tr></table>
</td></tr><tr><td>
<section id="increment" class="group2">
<div class="title">libwebsockets "dumb-increment-protocol"</div>
<table><tr><td>
<table class="content" width="200px">
<tr><td align=center><input type=button id=offset value="Reset counter" onclick="reset();" ></td></tr>
<tr><td width=200px align=center><div id=number> </div></td></tr>
<tr><td id=wsdi_statustd align=center class="explain"><div id=wsdi_status>Not initialized</div></td></tr>
</tr>
</table>
</td><td class="explain">
The incrementing number is coming from the server and is individual for
each connection to the server... try opening a second browser window.
<br/><br/>
The button zeros just this connection's number.
<br/><br/>
Click <a href="/leaf.jpg" target="_blank">Here</a> to have the test server send a big picture by http.
</td></tr></table>
</section>
<br>
<section id="mirror" class="group2">
<div class="title">libwebsockets "lws-mirror-protocol"</div>
<div class="explain">
Use the mouse to draw on the canvas below -- all other browser windows open
on this page see your drawing in realtime and you can see any of theirs as
well.
<br/><br/>
The lws-mirror protocol doesn't interpret what is being sent to it, it just
re-sends it to every other websocket it has a connection with using that
protocol, including the guy who sent the packet.
<br/><br/>
<b>libwebsockets-test-client</b> joins in by spamming circles on to this shared canvas when
run.
</div>
<table class="content">
<tr>
<td>Drawing color:
<select id="color" onchange="update_color();">
<option value=#000000>Black</option>
<option value=#0000ff>Blue</option>
<option value=#20ff20>Green</option>
<option value=#802020>Dark Red</option>
</select>
</td>
<td id=wslm_statustd align=center class="explain"><div id=wslm_status>Not initialized</div></td>
</tr>
<tr>
<td colspan=2 width=500 class="content">
<div id="wslm_drawing">
</div></td>
</tr>
</table>
</section>
</td></tr><tr><td>
Looking for support? <a href="http://libwebsockets.org">http://libwebsockets.org</a><br/>
Join the mailing list: ​<a href="http://ml.libwebsockets.org/mailman/listinfo/libwebsockets">http://ml.libwebsockets.org/mailman/listinfo/libwebsockets</a>
</td></tr></table>
</article>
<script>
/* BrowserDetect came from http://www.quirksmode.org/js/detect.html */
var BrowserDetect = {
init: function () {
this.browser = this.searchString(this.dataBrowser) || "An unknown browser";
this.version = this.searchVersion(navigator.userAgent)
|| this.searchVersion(navigator.appVersion)
|| "an unknown version";
this.OS = this.searchString(this.dataOS) || "an unknown OS";
},
searchString: function (data) {
for (var i=0;i<data.length;i++) {
var dataString = data[i].string;
var dataProp = data[i].prop;
this.versionSearchString = data[i].versionSearch || data[i].identity;
if (dataString) {
if (dataString.indexOf(data[i].subString) != -1)
return data[i].identity;
}
else if (dataProp)
return data[i].identity;
}
},
searchVersion: function (dataString) {
var index = dataString.indexOf(this.versionSearchString);
if (index == -1) return;
return parseFloat(dataString.substring(index+this.versionSearchString.length+1));
},
dataBrowser: [
{
string: navigator.userAgent,
subString: "Chrome",
identity: "Chrome"
},
{ string: navigator.userAgent,
subString: "OmniWeb",
versionSearch: "OmniWeb/",
identity: "OmniWeb"
},
{
string: navigator.vendor,
subString: "Apple",
identity: "Safari",
versionSearch: "Version"
},
{
prop: window.opera,
identity: "Opera",
versionSearch: "Version"
},
{
string: navigator.vendor,
subString: "iCab",
identity: "iCab"
},
{
string: navigator.vendor,
subString: "KDE",
identity: "Konqueror"
},
{
string: navigator.userAgent,
subString: "Firefox",
identity: "Firefox"
},
{
string: navigator.vendor,
subString: "Camino",
identity: "Camino"
},
{ // for newer Netscapes (6+)
string: navigator.userAgent,
subString: "Netscape",
identity: "Netscape"
},
{
string: navigator.userAgent,
subString: "MSIE",
identity: "Explorer",
versionSearch: "MSIE"
},
{
string: navigator.userAgent,
subString: "Gecko",
identity: "Mozilla",
versionSearch: "rv"
},
{ // for older Netscapes (4-)
string: navigator.userAgent,
subString: "Mozilla",
identity: "Netscape",
versionSearch: "Mozilla"
}
],
dataOS : [
{
string: navigator.platform,
subString: "Win",
identity: "Windows"
},
{
string: navigator.platform,
subString: "Mac",
identity: "Mac"
},
{
string: navigator.userAgent,
subString: "iPhone",
identity: "iPhone/iPod"
},
{
string: navigator.platform,
subString: "Linux",
identity: "Linux"
}
]
};
BrowserDetect.init();
document.getElementById("brow").textContent = " " + BrowserDetect.browser + " "
+ BrowserDetect.version +" " + BrowserDetect.OS +" ";
var pos = 0;
function get_appropriate_ws_url()
{
var pcol;
var u = document.URL;
/*
* We open the websocket encrypted if this page came on an
* https:// url itself, otherwise unencrypted
*/
if (u.substring(0, 5) == "https") {
pcol = "wss://";
u = u.substr(8);
} else {
pcol = "ws://";
if (u.substring(0, 4) == "http")
u = u.substr(7);
}
u = u.split('/');
/* + "/xxx" bit is for IE10 workaround */
return pcol + u[0] + "/xxx";
}
document.getElementById("number").textContent = get_appropriate_ws_url();
/* dumb increment protocol */
var socket_di;
if (typeof MozWebSocket != "undefined") {
socket_di = new MozWebSocket(get_appropriate_ws_url(),
"dumb-increment-protocol");
} else {
socket_di = new WebSocket(get_appropriate_ws_url(),
"dumb-increment-protocol");
}
try {
socket_di.onopen = function() {
document.getElementById("wsdi_statustd").style.backgroundColor = "#40ff40";
document.getElementById("wsdi_status").textContent = " websocket connection opened ";
}
socket_di.onmessage =function got_packet(msg) {
document.getElementById("number").textContent = msg.data + "\n";
}
socket_di.onclose = function(){
document.getElementById("wsdi_statustd").style.backgroundColor = "#ff4040";
document.getElementById("wsdi_status").textContent = " websocket connection CLOSED ";
}
} catch(exception) {
alert('<p>Error' + exception);
}
function reset() {
socket_di.send("reset\n");
}
/* lws-mirror protocol */
var down = 0;
var no_last = 1;
var last_x = 0, last_y = 0;
var ctx;
var socket_lm;
var color = "#000000";
if (typeof MozWebSocket != "undefined") {
socket_lm = new MozWebSocket(get_appropriate_ws_url(),
"lws-mirror-protocol");
} else {
socket_lm = new WebSocket(get_appropriate_ws_url(),
"lws-mirror-protocol");
}
try {
socket_lm.onopen = function() {
document.getElementById("wslm_statustd").style.backgroundColor = "#40ff40";
document.getElementById("wslm_status").textContent = " websocket connection opened ";
}
socket_lm.onmessage =function got_packet(msg) {
j = msg.data.split(';');
f = 0;
while (f < j.length - 1) {
i = j[f].split(' ');
if (i[0] == 'd') {
ctx.strokeStyle = i[1];
ctx.beginPath();
ctx.moveTo(+(i[2]), +(i[3]));
ctx.lineTo(+(i[4]), +(i[5]));
ctx.stroke();
}
if (i[0] == 'c') {
ctx.strokeStyle = i[1];
ctx.beginPath();
ctx.arc(+(i[2]), +(i[3]), +(i[4]), 0, Math.PI*2, true);
ctx.stroke();
}
f++;
}
}
socket_lm.onclose = function(){
document.getElementById("wslm_statustd").style.backgroundColor = "#ff4040";
document.getElementById("wslm_status").textContent = " websocket connection CLOSED ";
}
} catch(exception) {
alert('<p>Error' + exception);
}
var canvas = document.createElement('canvas');
canvas.height = 300;
canvas.width = 480;
ctx = canvas.getContext("2d");
document.getElementById('wslm_drawing').appendChild(canvas);
canvas.addEventListener('mousemove', ev_mousemove, false);
canvas.addEventListener('mousedown', ev_mousedown, false);
canvas.addEventListener('mouseup', ev_mouseup, false);
offsetX = offsetY = 0;
element = canvas;
if (element.offsetParent) {
do {
offsetX += element.offsetLeft;
offsetY += element.offsetTop;
} while ((element = element.offsetParent));
}
function update_color() {
color = document.getElementById("color").value;
}
function ev_mousedown (ev) {
down = 1;
}
function ev_mouseup(ev) {
down = 0;
no_last = 1;
}
function ev_mousemove (ev) {
var x, y;
if (ev.offsetX) {
x = ev.offsetX;
y = ev.offsetY;
} else {
x = ev.layerX - offsetX;
y = ev.layerY - offsetY;
}
if (!down)
return;
if (no_last) {
no_last = 0;
last_x = x;
last_y = y;
return;
}
socket_lm.send("d " + color + " " + last_x + " " + last_y + " " + x + ' ' + y + ';');
last_x = x;
last_y = y;
}
</script>
</body>
</html>

153
dependencies/libwebsockets/win32port/win32helpers/getopt.c vendored Normal file
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/* $NetBSD: getopt.c,v 1.16 1999/12/02 13:15:56 kleink Exp $ */
/*
* Copyright (c) 1987, 1993, 1994
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#if 0
static char sccsid[] = "@(#)getopt.c 8.3 (Berkeley) 4/27/95";
#endif
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <string.h>
#define __P(x) x
#define _DIAGASSERT(x) assert(x)
#ifdef __weak_alias
__weak_alias(getopt,_getopt);
#endif
int opterr = 1, /* if error message should be printed */
optind = 1, /* index into parent argv vector */
optopt, /* character checked for validity */
optreset; /* reset getopt */
char *optarg; /* argument associated with option */
static char * _progname __P((char *));
int getopt_internal __P((int, char * const *, const char *));
static char *
_progname(nargv0)
char * nargv0;
{
char * tmp;
_DIAGASSERT(nargv0 != NULL);
tmp = strrchr(nargv0, '/');
if (tmp)
tmp++;
else
tmp = nargv0;
return(tmp);
}
#define BADCH (int)'?'
#define BADARG (int)':'
#define EMSG ""
/*
* getopt --
* Parse argc/argv argument vector.
*/
int
getopt(nargc, nargv, ostr)
int nargc;
char * const nargv[];
const char *ostr;
{
static char *__progname = 0;
static char *place = EMSG; /* option letter processing */
char *oli; /* option letter list index */
__progname = __progname?__progname:_progname(*nargv);
_DIAGASSERT(nargv != NULL);
_DIAGASSERT(ostr != NULL);
if (optreset || !*place) { /* update scanning pointer */
optreset = 0;
if (optind >= nargc || *(place = nargv[optind]) != '-') {
place = EMSG;
return (-1);
}
if (place[1] && *++place == '-' /* found "--" */
&& place[1] == '\0') {
++optind;
place = EMSG;
return (-1);
}
} /* option letter okay? */
if ((optopt = (int)*place++) == (int)':' ||
!(oli = strchr(ostr, optopt))) {
/*
* if the user didn't specify '-' as an option,
* assume it means -1.
*/
if (optopt == (int)'-')
return (-1);
if (!*place)
++optind;
if (opterr && *ostr != ':')
(void)fprintf(stderr,
"%s: illegal option -- %c\n", __progname, optopt);
return (BADCH);
}
if (*++oli != ':') { /* don't need argument */
optarg = NULL;
if (!*place)
++optind;
}
else { /* need an argument */
if (*place) /* no white space */
optarg = place;
else if (nargc <= ++optind) { /* no arg */
place = EMSG;
if (*ostr == ':')
return (BADARG);
if (opterr)
(void)fprintf(stderr,
"%s: option requires an argument -- %c\n",
__progname, optopt);
return (BADCH);
}
else /* white space */
optarg = nargv[optind];
place = EMSG;
++optind;
}
return (optopt); /* dump back option letter */
}

33
dependencies/libwebsockets/win32port/win32helpers/getopt.h vendored Normal file
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#ifndef __GETOPT_H__
#define __GETOPT_H__
#ifdef __cplusplus
extern "C" {
#endif
extern int opterr; /* if error message should be printed */
extern int optind; /* index into parent argv vector */
extern int optopt; /* character checked for validity */
extern int optreset; /* reset getopt */
extern char *optarg; /* argument associated with option */
struct option
{
const char *name;
int has_arg;
int *flag;
int val;
};
#define no_argument 0
#define required_argument 1
#define optional_argument 2
int getopt(int, char**, char*);
int getopt_long(int, char**, char*, struct option*, int*);
#ifdef __cplusplus
}
#endif
#endif /* __GETOPT_H__ */

237
dependencies/libwebsockets/win32port/win32helpers/getopt_long.c vendored Normal file
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/*
* Copyright (c) 1987, 1993, 1994, 1996
* The Regents of the University of California. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
* 3. All advertising materials mentioning features or use of this software
* must display the following acknowledgement:
* This product includes software developed by the University of
* California, Berkeley and its contributors.
* 4. Neither the name of the University nor the names of its contributors
* may be used to endorse or promote products derived from this software
* without specific prior written permission.
*
* THIS SOFTWARE IS PROVIDED BY THE REGENTS AND CONTRIBUTORS ``AS IS'' AND
* ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
* ARE DISCLAIMED. IN NO EVENT SHALL THE REGENTS OR CONTRIBUTORS BE LIABLE
* FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
* DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
* OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
* LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
* OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
* SUCH DAMAGE.
*/
#include <assert.h>
#include <errno.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include "getopt.h"
extern int opterr; /* if error message should be printed */
extern int optind; /* index into parent argv vector */
extern int optopt; /* character checked for validity */
extern int optreset; /* reset getopt */
extern char *optarg; /* argument associated with option */
#define __P(x) x
#define _DIAGASSERT(x) assert(x)
static char * __progname __P((char *));
int getopt_internal __P((int, char * const *, const char *));
static char *
__progname(nargv0)
char * nargv0;
{
char * tmp;
_DIAGASSERT(nargv0 != NULL);
tmp = strrchr(nargv0, '/');
if (tmp)
tmp++;
else
tmp = nargv0;
return(tmp);
}
#define BADCH (int)'?'
#define BADARG (int)':'
#define EMSG ""
/*
* getopt --
* Parse argc/argv argument vector.
*/
int
getopt_internal(nargc, nargv, ostr)
int nargc;
char * const *nargv;
const char *ostr;
{
static char *place = EMSG; /* option letter processing */
char *oli; /* option letter list index */
_DIAGASSERT(nargv != NULL);
_DIAGASSERT(ostr != NULL);
if (optreset || !*place) { /* update scanning pointer */
optreset = 0;
if (optind >= nargc || *(place = nargv[optind]) != '-') {
place = EMSG;
return (-1);
}
if (place[1] && *++place == '-') { /* found "--" */
/* ++optind; */
place = EMSG;
return (-2);
}
} /* option letter okay? */
if ((optopt = (int)*place++) == (int)':' ||
!(oli = strchr(ostr, optopt))) {
/*
* if the user didn't specify '-' as an option,
* assume it means -1.
*/
if (optopt == (int)'-')
return (-1);
if (!*place)
++optind;
if (opterr && *ostr != ':')
(void)fprintf(stderr,
"%s: illegal option -- %c\n", __progname(nargv[0]), optopt);
return (BADCH);
}
if (*++oli != ':') { /* don't need argument */
optarg = NULL;
if (!*place)
++optind;
} else { /* need an argument */
if (*place) /* no white space */
optarg = place;
else if (nargc <= ++optind) { /* no arg */
place = EMSG;
if ((opterr) && (*ostr != ':'))
(void)fprintf(stderr,
"%s: option requires an argument -- %c\n",
__progname(nargv[0]), optopt);
return (BADARG);
} else /* white space */
optarg = nargv[optind];
place = EMSG;
++optind;
}
return (optopt); /* dump back option letter */
}
#if 0
/*
* getopt --
* Parse argc/argv argument vector.
*/
int
getopt2(nargc, nargv, ostr)
int nargc;
char * const *nargv;
const char *ostr;
{
int retval;
if ((retval = getopt_internal(nargc, nargv, ostr)) == -2) {
retval = -1;
++optind;
}
return(retval);
}
#endif
/*
* getopt_long --
* Parse argc/argv argument vector.
*/
int
getopt_long(nargc, nargv, options, long_options, index)
int nargc;
char ** nargv;
char * options;
struct option * long_options;
int * index;
{
int retval;
_DIAGASSERT(nargv != NULL);
_DIAGASSERT(options != NULL);
_DIAGASSERT(long_options != NULL);
/* index may be NULL */
if ((retval = getopt_internal(nargc, nargv, options)) == -2) {
char *current_argv = nargv[optind++] + 2, *has_equal;
int i, current_argv_len, match = -1;
if (*current_argv == '\0') {
return(-1);
}
if ((has_equal = strchr(current_argv, '=')) != NULL) {
current_argv_len = has_equal - current_argv;
has_equal++;
} else
current_argv_len = strlen(current_argv);
for (i = 0; long_options[i].name; i++) {
if (strncmp(current_argv, long_options[i].name, current_argv_len))
continue;
if (strlen(long_options[i].name) == (unsigned)current_argv_len) {
match = i;
break;
}
if (match == -1)
match = i;
}
if (match != -1) {
if (long_options[match].has_arg == required_argument ||
long_options[match].has_arg == optional_argument) {
if (has_equal)
optarg = has_equal;
else
optarg = nargv[optind++];
}
if ((long_options[match].has_arg == required_argument)
&& (optarg == NULL)) {
/*
* Missing argument, leading :
* indicates no error should be generated
*/
if ((opterr) && (*options != ':'))
(void)fprintf(stderr,
"%s: option requires an argument -- %s\n",
__progname(nargv[0]), current_argv);
return (BADARG);
}
} else { /* No matching argument */
if ((opterr) && (*options != ':'))
(void)fprintf(stderr,
"%s: illegal option -- %s\n", __progname(nargv[0]), current_argv);
return (BADCH);
}
if (long_options[match].flag) {
*long_options[match].flag = long_options[match].val;
retval = 0;
} else
retval = long_options[match].val;
if (index)
*index = match;
}
return(retval);
}

52
dependencies/libwebsockets/win32port/win32helpers/gettimeofday.c vendored Normal file
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#include <time.h>
#include <windows.h> //I've ommited context line
#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
#else
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
#endif
#ifdef __MINGW32__
#else
#ifdef __MINGW64__
#else
struct timezone
{
int tz_minuteswest; /* minutes W of Greenwich */
int tz_dsttime; /* type of dst correction */
};
#endif
#endif
int gettimeofday(struct timeval *tv, struct timezone *tz)
{
FILETIME ft;
unsigned __int64 tmpres = 0;
static int tzflag;
if (NULL != tv) {
GetSystemTimeAsFileTime(&ft);
tmpres |= ft.dwHighDateTime;
tmpres <<= 32;
tmpres |= ft.dwLowDateTime;
/*converting file time to unix epoch*/
tmpres /= 10; /*convert into microseconds*/
tmpres -= DELTA_EPOCH_IN_MICROSECS;
tv->tv_sec = (long)(tmpres / 1000000UL);
tv->tv_usec = (long)(tmpres % 1000000UL);
}
if (NULL != tz) {
if (!tzflag) {
_tzset();
tzflag++;
}
tz->tz_minuteswest = _timezone / 60;
tz->tz_dsttime = _daylight;
}
return 0;
}

31
dependencies/libwebsockets/win32port/win32helpers/gettimeofday.h vendored Normal file
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#ifndef _GET_TIME_OF_DAY_H
#define _GET_TIME_OF_DAY_H
#ifdef __MINGW64__
#else
#ifdef __MINGW32__
#else
#include < time.h >
#endif
#endif
#include <windows.h> //I've ommited context line.
#if defined(_MSC_VER) || defined(_MSC_EXTENSIONS)
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000Ui64
#else
#define DELTA_EPOCH_IN_MICROSECS 11644473600000000ULL
#endif
#ifndef _TIMEZONE_DEFINED
struct timezone
{
int tz_minuteswest; /* minutes W of Greenwich */
int tz_dsttime; /* type of dst correction */
};
int gettimeofday(struct timeval *tv, struct timezone *tz);
#endif
#endif

374
dependencies/libwebsockets/win32port/zlib/ZLib.vcxproj vendored Normal file
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<?xml version="1.0" encoding="utf-8"?>
<Project DefaultTargets="Build" ToolsVersion="4.0" xmlns="http://schemas.microsoft.com/developer/msbuild/2003">
<ItemGroup Label="ProjectConfigurations">
<ProjectConfiguration Include="Debug static|Win32">
<Configuration>Debug static</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|Win32">
<Configuration>Debug</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Debug|x64">
<Configuration>Debug</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release DLL|Win32">
<Configuration>Release DLL</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release DLL|x64">
<Configuration>Release DLL</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release static|Win32">
<Configuration>Release static</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|Win32">
<Configuration>Release</Configuration>
<Platform>Win32</Platform>
</ProjectConfiguration>
<ProjectConfiguration Include="Release|x64">
<Configuration>Release</Configuration>
<Platform>x64</Platform>
</ProjectConfiguration>
</ItemGroup>
<PropertyGroup Label="Globals">
<ProjectGuid>{4156FC56-8443-2973-4FE2-A0BB2C621525}</ProjectGuid>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.Default.props" />
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
<UseOfMfc>false</UseOfMfc>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
<UseOfMfc>false</UseOfMfc>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug static|Win32'" Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug|x64'" Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Debug static|x64'" Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
<CharacterSet>MultiByte</CharacterSet>
</PropertyGroup>
<PropertyGroup Label="Configuration" Condition="'$(Configuration)|$(Platform)'=='Release static|Win32'">
<ConfigurationType>StaticLibrary</ConfigurationType>
</PropertyGroup>
<PropertyGroup Condition="'$(Configuration)|$(Platform)'=='Release DLL|Win32'" Label="Configuration">
<ConfigurationType>StaticLibrary</ConfigurationType>
</PropertyGroup>
<Import Project="$(VCTargetsPath)\Microsoft.Cpp.props" />
<ImportGroup Label="ExtensionSettings">
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|Win32'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(VCTargetsPath)Microsoft.Cpp.UpgradeFromVC60.props" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Release|x64'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(VCTargetsPath)Microsoft.Cpp.UpgradeFromVC60.props" />
</ImportGroup>
<ImportGroup Condition="'$(Configuration)|$(Platform)'=='Debug|Win32'" Label="PropertySheets">
<Import Project="$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props" Condition="exists('$(UserRootDir)\Microsoft.Cpp.$(Platform).user.props')" Label="LocalAppDataPlatform" />
<Import Project="$(VCTargetsPath)Microsoft.Cpp.UpgradeFromVC60.props" />
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169
dependencies/libwebsockets/win32port/zlib/adler32.c vendored Normal file
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/* adler32.c -- compute the Adler-32 checksum of a data stream
* Copyright (C) 1995-2007 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#include "zutil.h"
#define local static
local uLong adler32_combine_(uLong adler1, uLong adler2, z_off64_t len2);
#define BASE 65521UL /* largest prime smaller than 65536 */
#define NMAX 5552
/* NMAX is the largest n such that 255n(n+1)/2 + (n+1)(BASE-1) <= 2^32-1 */
#define DO1(buf,i) {adler += (buf)[i]; sum2 += adler;}
#define DO2(buf,i) DO1(buf,i); DO1(buf,i+1);
#define DO4(buf,i) DO2(buf,i); DO2(buf,i+2);
#define DO8(buf,i) DO4(buf,i); DO4(buf,i+4);
#define DO16(buf) DO8(buf,0); DO8(buf,8);
/* use NO_DIVIDE if your processor does not do division in hardware */
#ifdef NO_DIVIDE
# define MOD(a) \
do { \
if (a >= (BASE << 16)) a -= (BASE << 16); \
if (a >= (BASE << 15)) a -= (BASE << 15); \
if (a >= (BASE << 14)) a -= (BASE << 14); \
if (a >= (BASE << 13)) a -= (BASE << 13); \
if (a >= (BASE << 12)) a -= (BASE << 12); \
if (a >= (BASE << 11)) a -= (BASE << 11); \
if (a >= (BASE << 10)) a -= (BASE << 10); \
if (a >= (BASE << 9)) a -= (BASE << 9); \
if (a >= (BASE << 8)) a -= (BASE << 8); \
if (a >= (BASE << 7)) a -= (BASE << 7); \
if (a >= (BASE << 6)) a -= (BASE << 6); \
if (a >= (BASE << 5)) a -= (BASE << 5); \
if (a >= (BASE << 4)) a -= (BASE << 4); \
if (a >= (BASE << 3)) a -= (BASE << 3); \
if (a >= (BASE << 2)) a -= (BASE << 2); \
if (a >= (BASE << 1)) a -= (BASE << 1); \
if (a >= BASE) a -= BASE; \
} while (0)
# define MOD4(a) \
do { \
if (a >= (BASE << 4)) a -= (BASE << 4); \
if (a >= (BASE << 3)) a -= (BASE << 3); \
if (a >= (BASE << 2)) a -= (BASE << 2); \
if (a >= (BASE << 1)) a -= (BASE << 1); \
if (a >= BASE) a -= BASE; \
} while (0)
#else
# define MOD(a) a %= BASE
# define MOD4(a) a %= BASE
#endif
/* ========================================================================= */
uLong ZEXPORT adler32(adler, buf, len)
uLong adler;
const Bytef *buf;
uInt len;
{
unsigned long sum2;
unsigned n;
/* split Adler-32 into component sums */
sum2 = (adler >> 16) & 0xffff;
adler &= 0xffff;
/* in case user likes doing a byte at a time, keep it fast */
if (len == 1) {
adler += buf[0];
if (adler >= BASE)
adler -= BASE;
sum2 += adler;
if (sum2 >= BASE)
sum2 -= BASE;
return adler | (sum2 << 16);
}
/* initial Adler-32 value (deferred check for len == 1 speed) */
if (buf == Z_NULL)
return 1L;
/* in case short lengths are provided, keep it somewhat fast */
if (len < 16) {
while (len--) {
adler += *buf++;
sum2 += adler;
}
if (adler >= BASE)
adler -= BASE;
MOD4(sum2); /* only added so many BASE's */
return adler | (sum2 << 16);
}
/* do length NMAX blocks -- requires just one modulo operation */
while (len >= NMAX) {
len -= NMAX;
n = NMAX / 16; /* NMAX is divisible by 16 */
do {
DO16(buf); /* 16 sums unrolled */
buf += 16;
} while (--n);
MOD(adler);
MOD(sum2);
}
/* do remaining bytes (less than NMAX, still just one modulo) */
if (len) { /* avoid modulos if none remaining */
while (len >= 16) {
len -= 16;
DO16(buf);
buf += 16;
}
while (len--) {
adler += *buf++;
sum2 += adler;
}
MOD(adler);
MOD(sum2);
}
/* return recombined sums */
return adler | (sum2 << 16);
}
/* ========================================================================= */
local uLong adler32_combine_(adler1, adler2, len2)
uLong adler1;
uLong adler2;
z_off64_t len2;
{
unsigned long sum1;
unsigned long sum2;
unsigned rem;
/* the derivation of this formula is left as an exercise for the reader */
rem = (unsigned)(len2 % BASE);
sum1 = adler1 & 0xffff;
sum2 = rem * sum1;
MOD(sum2);
sum1 += (adler2 & 0xffff) + BASE - 1;
sum2 += ((adler1 >> 16) & 0xffff) + ((adler2 >> 16) & 0xffff) + BASE - rem;
if (sum1 >= BASE) sum1 -= BASE;
if (sum1 >= BASE) sum1 -= BASE;
if (sum2 >= (BASE << 1)) sum2 -= (BASE << 1);
if (sum2 >= BASE) sum2 -= BASE;
return sum1 | (sum2 << 16);
}
/* ========================================================================= */
uLong ZEXPORT adler32_combine(adler1, adler2, len2)
uLong adler1;
uLong adler2;
z_off_t len2;
{
return adler32_combine_(adler1, adler2, len2);
}
uLong ZEXPORT adler32_combine64(adler1, adler2, len2)
uLong adler1;
uLong adler2;
z_off64_t len2;
{
return adler32_combine_(adler1, adler2, len2);
}

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dependencies/libwebsockets/win32port/zlib/compress.c vendored Normal file
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/* compress.c -- compress a memory buffer
* Copyright (C) 1995-2005 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#define ZLIB_INTERNAL
#include "zlib.h"
/* ===========================================================================
Compresses the source buffer into the destination buffer. The level
parameter has the same meaning as in deflateInit. sourceLen is the byte
length of the source buffer. Upon entry, destLen is the total size of the
destination buffer, which must be at least 0.1% larger than sourceLen plus
12 bytes. Upon exit, destLen is the actual size of the compressed buffer.
compress2 returns Z_OK if success, Z_MEM_ERROR if there was not enough
memory, Z_BUF_ERROR if there was not enough room in the output buffer,
Z_STREAM_ERROR if the level parameter is invalid.
*/
int ZEXPORT compress2 (dest, destLen, source, sourceLen, level)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
int level;
{
z_stream stream;
int err;
stream.next_in = (Bytef*)source;
stream.avail_in = (uInt)sourceLen;
#ifdef MAXSEG_64K
/* Check for source > 64K on 16-bit machine: */
if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
#endif
stream.next_out = dest;
stream.avail_out = (uInt)*destLen;
if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
stream.zalloc = (alloc_func)0;
stream.zfree = (free_func)0;
stream.opaque = (voidpf)0;
err = deflateInit(&stream, level);
if (err != Z_OK) return err;
err = deflate(&stream, Z_FINISH);
if (err != Z_STREAM_END) {
deflateEnd(&stream);
return err == Z_OK ? Z_BUF_ERROR : err;
}
*destLen = stream.total_out;
err = deflateEnd(&stream);
return err;
}
/* ===========================================================================
*/
int ZEXPORT compress (dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
{
return compress2(dest, destLen, source, sourceLen, Z_DEFAULT_COMPRESSION);
}
/* ===========================================================================
If the default memLevel or windowBits for deflateInit() is changed, then
this function needs to be updated.
*/
uLong ZEXPORT compressBound (sourceLen)
uLong sourceLen;
{
return sourceLen + (sourceLen >> 12) + (sourceLen >> 14) +
(sourceLen >> 25) + 13;
}

442
dependencies/libwebsockets/win32port/zlib/crc32.c vendored Normal file
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/* crc32.c -- compute the CRC-32 of a data stream
* Copyright (C) 1995-2006, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*
* Thanks to Rodney Brown <rbrown64@csc.com.au> for his contribution of faster
* CRC methods: exclusive-oring 32 bits of data at a time, and pre-computing
* tables for updating the shift register in one step with three exclusive-ors
* instead of four steps with four exclusive-ors. This results in about a
* factor of two increase in speed on a Power PC G4 (PPC7455) using gcc -O3.
*/
/* @(#) $Id$ */
/*
Note on the use of DYNAMIC_CRC_TABLE: there is no mutex or semaphore
protection on the static variables used to control the first-use generation
of the crc tables. Therefore, if you #define DYNAMIC_CRC_TABLE, you should
first call get_crc_table() to initialize the tables before allowing more than
one thread to use crc32().
*/
#ifdef MAKECRCH
# include <stdio.h>
# ifndef DYNAMIC_CRC_TABLE
# define DYNAMIC_CRC_TABLE
# endif /* !DYNAMIC_CRC_TABLE */
#endif /* MAKECRCH */
#include "zutil.h" /* for STDC and FAR definitions */
#define local static
/* Find a four-byte integer type for crc32_little() and crc32_big(). */
#ifndef NOBYFOUR
# ifdef STDC /* need ANSI C limits.h to determine sizes */
# include <limits.h>
# define BYFOUR
# if (UINT_MAX == 0xffffffffUL)
typedef unsigned int u4;
# else
# if (ULONG_MAX == 0xffffffffUL)
typedef unsigned long u4;
# else
# if (USHRT_MAX == 0xffffffffUL)
typedef unsigned short u4;
# else
# undef BYFOUR /* can't find a four-byte integer type! */
# endif
# endif
# endif
# endif /* STDC */
#endif /* !NOBYFOUR */
/* Definitions for doing the crc four data bytes at a time. */
#ifdef BYFOUR
# define REV(w) ((((w)>>24)&0xff)+(((w)>>8)&0xff00)+ \
(((w)&0xff00)<<8)+(((w)&0xff)<<24))
local unsigned long crc32_little OF((unsigned long,
const unsigned char FAR *, unsigned));
local unsigned long crc32_big OF((unsigned long,
const unsigned char FAR *, unsigned));
# define TBLS 8
#else
# define TBLS 1
#endif /* BYFOUR */
/* Local functions for crc concatenation */
local unsigned long gf2_matrix_times OF((unsigned long *mat,
unsigned long vec));
local void gf2_matrix_square OF((unsigned long *square, unsigned long *mat));
local uLong crc32_combine_(uLong crc1, uLong crc2, z_off64_t len2);
#ifdef DYNAMIC_CRC_TABLE
local volatile int crc_table_empty = 1;
local unsigned long FAR crc_table[TBLS][256];
local void make_crc_table OF((void));
#ifdef MAKECRCH
local void write_table OF((FILE *, const unsigned long FAR *));
#endif /* MAKECRCH */
/*
Generate tables for a byte-wise 32-bit CRC calculation on the polynomial:
x^32+x^26+x^23+x^22+x^16+x^12+x^11+x^10+x^8+x^7+x^5+x^4+x^2+x+1.
Polynomials over GF(2) are represented in binary, one bit per coefficient,
with the lowest powers in the most significant bit. Then adding polynomials
is just exclusive-or, and multiplying a polynomial by x is a right shift by
one. If we call the above polynomial p, and represent a byte as the
polynomial q, also with the lowest power in the most significant bit (so the
byte 0xb1 is the polynomial x^7+x^3+x+1), then the CRC is (q*x^32) mod p,
where a mod b means the remainder after dividing a by b.
This calculation is done using the shift-register method of multiplying and
taking the remainder. The register is initialized to zero, and for each
incoming bit, x^32 is added mod p to the register if the bit is a one (where
x^32 mod p is p+x^32 = x^26+...+1), and the register is multiplied mod p by
x (which is shifting right by one and adding x^32 mod p if the bit shifted
out is a one). We start with the highest power (least significant bit) of
q and repeat for all eight bits of q.
The first table is simply the CRC of all possible eight bit values. This is
all the information needed to generate CRCs on data a byte at a time for all
combinations of CRC register values and incoming bytes. The remaining tables
allow for word-at-a-time CRC calculation for both big-endian and little-
endian machines, where a word is four bytes.
*/
local void make_crc_table()
{
unsigned long c;
int n, k;
unsigned long poly; /* polynomial exclusive-or pattern */
/* terms of polynomial defining this crc (except x^32): */
static volatile int first = 1; /* flag to limit concurrent making */
static const unsigned char p[] = {0,1,2,4,5,7,8,10,11,12,16,22,23,26};
/* See if another task is already doing this (not thread-safe, but better
than nothing -- significantly reduces duration of vulnerability in
case the advice about DYNAMIC_CRC_TABLE is ignored) */
if (first) {
first = 0;
/* make exclusive-or pattern from polynomial (0xedb88320UL) */
poly = 0UL;
for (n = 0; n < sizeof(p)/sizeof(unsigned char); n++)
poly |= 1UL << (31 - p[n]);
/* generate a crc for every 8-bit value */
for (n = 0; n < 256; n++) {
c = (unsigned long)n;
for (k = 0; k < 8; k++)
c = c & 1 ? poly ^ (c >> 1) : c >> 1;
crc_table[0][n] = c;
}
#ifdef BYFOUR
/* generate crc for each value followed by one, two, and three zeros,
and then the byte reversal of those as well as the first table */
for (n = 0; n < 256; n++) {
c = crc_table[0][n];
crc_table[4][n] = REV(c);
for (k = 1; k < 4; k++) {
c = crc_table[0][c & 0xff] ^ (c >> 8);
crc_table[k][n] = c;
crc_table[k + 4][n] = REV(c);
}
}
#endif /* BYFOUR */
crc_table_empty = 0;
}
else { /* not first */
/* wait for the other guy to finish (not efficient, but rare) */
while (crc_table_empty)
;
}
#ifdef MAKECRCH
/* write out CRC tables to crc32.h */
{
FILE *out;
out = fopen("crc32.h", "w");
if (out == NULL) return;
fprintf(out, "/* crc32.h -- tables for rapid CRC calculation\n");
fprintf(out, " * Generated automatically by crc32.c\n */\n\n");
fprintf(out, "local const unsigned long FAR ");
fprintf(out, "crc_table[TBLS][256] =\n{\n {\n");
write_table(out, crc_table[0]);
# ifdef BYFOUR
fprintf(out, "#ifdef BYFOUR\n");
for (k = 1; k < 8; k++) {
fprintf(out, " },\n {\n");
write_table(out, crc_table[k]);
}
fprintf(out, "#endif\n");
# endif /* BYFOUR */
fprintf(out, " }\n};\n");
fclose(out);
}
#endif /* MAKECRCH */
}
#ifdef MAKECRCH
local void write_table(out, table)
FILE *out;
const unsigned long FAR *table;
{
int n;
for (n = 0; n < 256; n++)
fprintf(out, "%s0x%08lxUL%s", n % 5 ? "" : " ", table[n],
n == 255 ? "\n" : (n % 5 == 4 ? ",\n" : ", "));
}
#endif /* MAKECRCH */
#else /* !DYNAMIC_CRC_TABLE */
/* ========================================================================
* Tables of CRC-32s of all single-byte values, made by make_crc_table().
*/
#include "crc32.h"
#endif /* DYNAMIC_CRC_TABLE */
/* =========================================================================
* This function can be used by asm versions of crc32()
*/
const unsigned long FAR * ZEXPORT get_crc_table()
{
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty)
make_crc_table();
#endif /* DYNAMIC_CRC_TABLE */
return (const unsigned long FAR *)crc_table;
}
/* ========================================================================= */
#define DO1 crc = crc_table[0][((int)crc ^ (*buf++)) & 0xff] ^ (crc >> 8)
#define DO8 DO1; DO1; DO1; DO1; DO1; DO1; DO1; DO1
/* ========================================================================= */
unsigned long ZEXPORT crc32(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
uInt len;
{
if (buf == Z_NULL) return 0UL;
#ifdef DYNAMIC_CRC_TABLE
if (crc_table_empty)
make_crc_table();
#endif /* DYNAMIC_CRC_TABLE */
#ifdef BYFOUR
if (sizeof(void *) == sizeof(ptrdiff_t)) {
u4 endian;
endian = 1;
if (*((unsigned char *)(&endian)))
return crc32_little(crc, buf, len);
else
return crc32_big(crc, buf, len);
}
#endif /* BYFOUR */
crc = crc ^ 0xffffffffUL;
while (len >= 8) {
DO8;
len -= 8;
}
if (len) do {
DO1;
} while (--len);
return crc ^ 0xffffffffUL;
}
#ifdef BYFOUR
/* ========================================================================= */
#define DOLIT4 c ^= *buf4++; \
c = crc_table[3][c & 0xff] ^ crc_table[2][(c >> 8) & 0xff] ^ \
crc_table[1][(c >> 16) & 0xff] ^ crc_table[0][c >> 24]
#define DOLIT32 DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4; DOLIT4
/* ========================================================================= */
local unsigned long crc32_little(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
unsigned len;
{
register u4 c;
register const u4 FAR *buf4;
c = (u4)crc;
c = ~c;
while (len && ((ptrdiff_t)buf & 3)) {
c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8);
len--;
}
buf4 = (const u4 FAR *)(const void FAR *)buf;
while (len >= 32) {
DOLIT32;
len -= 32;
}
while (len >= 4) {
DOLIT4;
len -= 4;
}
buf = (const unsigned char FAR *)buf4;
if (len) do {
c = crc_table[0][(c ^ *buf++) & 0xff] ^ (c >> 8);
} while (--len);
c = ~c;
return (unsigned long)c;
}
/* ========================================================================= */
#define DOBIG4 c ^= *++buf4; \
c = crc_table[4][c & 0xff] ^ crc_table[5][(c >> 8) & 0xff] ^ \
crc_table[6][(c >> 16) & 0xff] ^ crc_table[7][c >> 24]
#define DOBIG32 DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4; DOBIG4
/* ========================================================================= */
local unsigned long crc32_big(crc, buf, len)
unsigned long crc;
const unsigned char FAR *buf;
unsigned len;
{
register u4 c;
register const u4 FAR *buf4;
c = REV((u4)crc);
c = ~c;
while (len && ((ptrdiff_t)buf & 3)) {
c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8);
len--;
}
buf4 = (const u4 FAR *)(const void FAR *)buf;
buf4--;
while (len >= 32) {
DOBIG32;
len -= 32;
}
while (len >= 4) {
DOBIG4;
len -= 4;
}
buf4++;
buf = (const unsigned char FAR *)buf4;
if (len) do {
c = crc_table[4][(c >> 24) ^ *buf++] ^ (c << 8);
} while (--len);
c = ~c;
return (unsigned long)(REV(c));
}
#endif /* BYFOUR */
#define GF2_DIM 32 /* dimension of GF(2) vectors (length of CRC) */
/* ========================================================================= */
local unsigned long gf2_matrix_times(mat, vec)
unsigned long *mat;
unsigned long vec;
{
unsigned long sum;
sum = 0;
while (vec) {
if (vec & 1)
sum ^= *mat;
vec >>= 1;
mat++;
}
return sum;
}
/* ========================================================================= */
local void gf2_matrix_square(square, mat)
unsigned long *square;
unsigned long *mat;
{
int n;
for (n = 0; n < GF2_DIM; n++)
square[n] = gf2_matrix_times(mat, mat[n]);
}
/* ========================================================================= */
local uLong crc32_combine_(crc1, crc2, len2)
uLong crc1;
uLong crc2;
z_off64_t len2;
{
int n;
unsigned long row;
unsigned long even[GF2_DIM]; /* even-power-of-two zeros operator */
unsigned long odd[GF2_DIM]; /* odd-power-of-two zeros operator */
/* degenerate case (also disallow negative lengths) */
if (len2 <= 0)
return crc1;
/* put operator for one zero bit in odd */
odd[0] = 0xedb88320UL; /* CRC-32 polynomial */
row = 1;
for (n = 1; n < GF2_DIM; n++) {
odd[n] = row;
row <<= 1;
}
/* put operator for two zero bits in even */
gf2_matrix_square(even, odd);
/* put operator for four zero bits in odd */
gf2_matrix_square(odd, even);
/* apply len2 zeros to crc1 (first square will put the operator for one
zero byte, eight zero bits, in even) */
do {
/* apply zeros operator for this bit of len2 */
gf2_matrix_square(even, odd);
if (len2 & 1)
crc1 = gf2_matrix_times(even, crc1);
len2 >>= 1;
/* if no more bits set, then done */
if (len2 == 0)
break;
/* another iteration of the loop with odd and even swapped */
gf2_matrix_square(odd, even);
if (len2 & 1)
crc1 = gf2_matrix_times(odd, crc1);
len2 >>= 1;
/* if no more bits set, then done */
} while (len2 != 0);
/* return combined crc */
crc1 ^= crc2;
return crc1;
}
/* ========================================================================= */
uLong ZEXPORT crc32_combine(crc1, crc2, len2)
uLong crc1;
uLong crc2;
z_off_t len2;
{
return crc32_combine_(crc1, crc2, len2);
}
uLong ZEXPORT crc32_combine64(crc1, crc2, len2)
uLong crc1;
uLong crc2;
z_off64_t len2;
{
return crc32_combine_(crc1, crc2, len2);
}

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dependencies/libwebsockets/win32port/zlib/crc32.h vendored Normal file
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@ -0,0 +1,441 @@
/* crc32.h -- tables for rapid CRC calculation
* Generated automatically by crc32.c
*/
local const unsigned long FAR crc_table[TBLS][256] =
{
{
0x00000000UL, 0x77073096UL, 0xee0e612cUL, 0x990951baUL, 0x076dc419UL,
0x706af48fUL, 0xe963a535UL, 0x9e6495a3UL, 0x0edb8832UL, 0x79dcb8a4UL,
0xe0d5e91eUL, 0x97d2d988UL, 0x09b64c2bUL, 0x7eb17cbdUL, 0xe7b82d07UL,
0x90bf1d91UL, 0x1db71064UL, 0x6ab020f2UL, 0xf3b97148UL, 0x84be41deUL,
0x1adad47dUL, 0x6ddde4ebUL, 0xf4d4b551UL, 0x83d385c7UL, 0x136c9856UL,
0x646ba8c0UL, 0xfd62f97aUL, 0x8a65c9ecUL, 0x14015c4fUL, 0x63066cd9UL,
0xfa0f3d63UL, 0x8d080df5UL, 0x3b6e20c8UL, 0x4c69105eUL, 0xd56041e4UL,
0xa2677172UL, 0x3c03e4d1UL, 0x4b04d447UL, 0xd20d85fdUL, 0xa50ab56bUL,
0x35b5a8faUL, 0x42b2986cUL, 0xdbbbc9d6UL, 0xacbcf940UL, 0x32d86ce3UL,
0x45df5c75UL, 0xdcd60dcfUL, 0xabd13d59UL, 0x26d930acUL, 0x51de003aUL,
0xc8d75180UL, 0xbfd06116UL, 0x21b4f4b5UL, 0x56b3c423UL, 0xcfba9599UL,
0xb8bda50fUL, 0x2802b89eUL, 0x5f058808UL, 0xc60cd9b2UL, 0xb10be924UL,
0x2f6f7c87UL, 0x58684c11UL, 0xc1611dabUL, 0xb6662d3dUL, 0x76dc4190UL,
0x01db7106UL, 0x98d220bcUL, 0xefd5102aUL, 0x71b18589UL, 0x06b6b51fUL,
0x9fbfe4a5UL, 0xe8b8d433UL, 0x7807c9a2UL, 0x0f00f934UL, 0x9609a88eUL,
0xe10e9818UL, 0x7f6a0dbbUL, 0x086d3d2dUL, 0x91646c97UL, 0xe6635c01UL,
0x6b6b51f4UL, 0x1c6c6162UL, 0x856530d8UL, 0xf262004eUL, 0x6c0695edUL,
0x1b01a57bUL, 0x8208f4c1UL, 0xf50fc457UL, 0x65b0d9c6UL, 0x12b7e950UL,
0x8bbeb8eaUL, 0xfcb9887cUL, 0x62dd1ddfUL, 0x15da2d49UL, 0x8cd37cf3UL,
0xfbd44c65UL, 0x4db26158UL, 0x3ab551ceUL, 0xa3bc0074UL, 0xd4bb30e2UL,
0x4adfa541UL, 0x3dd895d7UL, 0xa4d1c46dUL, 0xd3d6f4fbUL, 0x4369e96aUL,
0x346ed9fcUL, 0xad678846UL, 0xda60b8d0UL, 0x44042d73UL, 0x33031de5UL,
0xaa0a4c5fUL, 0xdd0d7cc9UL, 0x5005713cUL, 0x270241aaUL, 0xbe0b1010UL,
0xc90c2086UL, 0x5768b525UL, 0x206f85b3UL, 0xb966d409UL, 0xce61e49fUL,
0x5edef90eUL, 0x29d9c998UL, 0xb0d09822UL, 0xc7d7a8b4UL, 0x59b33d17UL,
0x2eb40d81UL, 0xb7bd5c3bUL, 0xc0ba6cadUL, 0xedb88320UL, 0x9abfb3b6UL,
0x03b6e20cUL, 0x74b1d29aUL, 0xead54739UL, 0x9dd277afUL, 0x04db2615UL,
0x73dc1683UL, 0xe3630b12UL, 0x94643b84UL, 0x0d6d6a3eUL, 0x7a6a5aa8UL,
0xe40ecf0bUL, 0x9309ff9dUL, 0x0a00ae27UL, 0x7d079eb1UL, 0xf00f9344UL,
0x8708a3d2UL, 0x1e01f268UL, 0x6906c2feUL, 0xf762575dUL, 0x806567cbUL,
0x196c3671UL, 0x6e6b06e7UL, 0xfed41b76UL, 0x89d32be0UL, 0x10da7a5aUL,
0x67dd4accUL, 0xf9b9df6fUL, 0x8ebeeff9UL, 0x17b7be43UL, 0x60b08ed5UL,
0xd6d6a3e8UL, 0xa1d1937eUL, 0x38d8c2c4UL, 0x4fdff252UL, 0xd1bb67f1UL,
0xa6bc5767UL, 0x3fb506ddUL, 0x48b2364bUL, 0xd80d2bdaUL, 0xaf0a1b4cUL,
0x36034af6UL, 0x41047a60UL, 0xdf60efc3UL, 0xa867df55UL, 0x316e8eefUL,
0x4669be79UL, 0xcb61b38cUL, 0xbc66831aUL, 0x256fd2a0UL, 0x5268e236UL,
0xcc0c7795UL, 0xbb0b4703UL, 0x220216b9UL, 0x5505262fUL, 0xc5ba3bbeUL,
0xb2bd0b28UL, 0x2bb45a92UL, 0x5cb36a04UL, 0xc2d7ffa7UL, 0xb5d0cf31UL,
0x2cd99e8bUL, 0x5bdeae1dUL, 0x9b64c2b0UL, 0xec63f226UL, 0x756aa39cUL,
0x026d930aUL, 0x9c0906a9UL, 0xeb0e363fUL, 0x72076785UL, 0x05005713UL,
0x95bf4a82UL, 0xe2b87a14UL, 0x7bb12baeUL, 0x0cb61b38UL, 0x92d28e9bUL,
0xe5d5be0dUL, 0x7cdcefb7UL, 0x0bdbdf21UL, 0x86d3d2d4UL, 0xf1d4e242UL,
0x68ddb3f8UL, 0x1fda836eUL, 0x81be16cdUL, 0xf6b9265bUL, 0x6fb077e1UL,
0x18b74777UL, 0x88085ae6UL, 0xff0f6a70UL, 0x66063bcaUL, 0x11010b5cUL,
0x8f659effUL, 0xf862ae69UL, 0x616bffd3UL, 0x166ccf45UL, 0xa00ae278UL,
0xd70dd2eeUL, 0x4e048354UL, 0x3903b3c2UL, 0xa7672661UL, 0xd06016f7UL,
0x4969474dUL, 0x3e6e77dbUL, 0xaed16a4aUL, 0xd9d65adcUL, 0x40df0b66UL,
0x37d83bf0UL, 0xa9bcae53UL, 0xdebb9ec5UL, 0x47b2cf7fUL, 0x30b5ffe9UL,
0xbdbdf21cUL, 0xcabac28aUL, 0x53b39330UL, 0x24b4a3a6UL, 0xbad03605UL,
0xcdd70693UL, 0x54de5729UL, 0x23d967bfUL, 0xb3667a2eUL, 0xc4614ab8UL,
0x5d681b02UL, 0x2a6f2b94UL, 0xb40bbe37UL, 0xc30c8ea1UL, 0x5a05df1bUL,
0x2d02ef8dUL
#ifdef BYFOUR
},
{
0x00000000UL, 0x191b3141UL, 0x32366282UL, 0x2b2d53c3UL, 0x646cc504UL,
0x7d77f445UL, 0x565aa786UL, 0x4f4196c7UL, 0xc8d98a08UL, 0xd1c2bb49UL,
0xfaefe88aUL, 0xe3f4d9cbUL, 0xacb54f0cUL, 0xb5ae7e4dUL, 0x9e832d8eUL,
0x87981ccfUL, 0x4ac21251UL, 0x53d92310UL, 0x78f470d3UL, 0x61ef4192UL,
0x2eaed755UL, 0x37b5e614UL, 0x1c98b5d7UL, 0x05838496UL, 0x821b9859UL,
0x9b00a918UL, 0xb02dfadbUL, 0xa936cb9aUL, 0xe6775d5dUL, 0xff6c6c1cUL,
0xd4413fdfUL, 0xcd5a0e9eUL, 0x958424a2UL, 0x8c9f15e3UL, 0xa7b24620UL,
0xbea97761UL, 0xf1e8e1a6UL, 0xe8f3d0e7UL, 0xc3de8324UL, 0xdac5b265UL,
0x5d5daeaaUL, 0x44469febUL, 0x6f6bcc28UL, 0x7670fd69UL, 0x39316baeUL,
0x202a5aefUL, 0x0b07092cUL, 0x121c386dUL, 0xdf4636f3UL, 0xc65d07b2UL,
0xed705471UL, 0xf46b6530UL, 0xbb2af3f7UL, 0xa231c2b6UL, 0x891c9175UL,
0x9007a034UL, 0x179fbcfbUL, 0x0e848dbaUL, 0x25a9de79UL, 0x3cb2ef38UL,
0x73f379ffUL, 0x6ae848beUL, 0x41c51b7dUL, 0x58de2a3cUL, 0xf0794f05UL,
0xe9627e44UL, 0xc24f2d87UL, 0xdb541cc6UL, 0x94158a01UL, 0x8d0ebb40UL,
0xa623e883UL, 0xbf38d9c2UL, 0x38a0c50dUL, 0x21bbf44cUL, 0x0a96a78fUL,
0x138d96ceUL, 0x5ccc0009UL, 0x45d73148UL, 0x6efa628bUL, 0x77e153caUL,
0xbabb5d54UL, 0xa3a06c15UL, 0x888d3fd6UL, 0x91960e97UL, 0xded79850UL,
0xc7cca911UL, 0xece1fad2UL, 0xf5facb93UL, 0x7262d75cUL, 0x6b79e61dUL,
0x4054b5deUL, 0x594f849fUL, 0x160e1258UL, 0x0f152319UL, 0x243870daUL,
0x3d23419bUL, 0x65fd6ba7UL, 0x7ce65ae6UL, 0x57cb0925UL, 0x4ed03864UL,
0x0191aea3UL, 0x188a9fe2UL, 0x33a7cc21UL, 0x2abcfd60UL, 0xad24e1afUL,
0xb43fd0eeUL, 0x9f12832dUL, 0x8609b26cUL, 0xc94824abUL, 0xd05315eaUL,
0xfb7e4629UL, 0xe2657768UL, 0x2f3f79f6UL, 0x362448b7UL, 0x1d091b74UL,
0x04122a35UL, 0x4b53bcf2UL, 0x52488db3UL, 0x7965de70UL, 0x607eef31UL,
0xe7e6f3feUL, 0xfefdc2bfUL, 0xd5d0917cUL, 0xcccba03dUL, 0x838a36faUL,
0x9a9107bbUL, 0xb1bc5478UL, 0xa8a76539UL, 0x3b83984bUL, 0x2298a90aUL,
0x09b5fac9UL, 0x10aecb88UL, 0x5fef5d4fUL, 0x46f46c0eUL, 0x6dd93fcdUL,
0x74c20e8cUL, 0xf35a1243UL, 0xea412302UL, 0xc16c70c1UL, 0xd8774180UL,
0x9736d747UL, 0x8e2de606UL, 0xa500b5c5UL, 0xbc1b8484UL, 0x71418a1aUL,
0x685abb5bUL, 0x4377e898UL, 0x5a6cd9d9UL, 0x152d4f1eUL, 0x0c367e5fUL,
0x271b2d9cUL, 0x3e001cddUL, 0xb9980012UL, 0xa0833153UL, 0x8bae6290UL,
0x92b553d1UL, 0xddf4c516UL, 0xc4eff457UL, 0xefc2a794UL, 0xf6d996d5UL,
0xae07bce9UL, 0xb71c8da8UL, 0x9c31de6bUL, 0x852aef2aUL, 0xca6b79edUL,
0xd37048acUL, 0xf85d1b6fUL, 0xe1462a2eUL, 0x66de36e1UL, 0x7fc507a0UL,
0x54e85463UL, 0x4df36522UL, 0x02b2f3e5UL, 0x1ba9c2a4UL, 0x30849167UL,
0x299fa026UL, 0xe4c5aeb8UL, 0xfdde9ff9UL, 0xd6f3cc3aUL, 0xcfe8fd7bUL,
0x80a96bbcUL, 0x99b25afdUL, 0xb29f093eUL, 0xab84387fUL, 0x2c1c24b0UL,
0x350715f1UL, 0x1e2a4632UL, 0x07317773UL, 0x4870e1b4UL, 0x516bd0f5UL,
0x7a468336UL, 0x635db277UL, 0xcbfad74eUL, 0xd2e1e60fUL, 0xf9ccb5ccUL,
0xe0d7848dUL, 0xaf96124aUL, 0xb68d230bUL, 0x9da070c8UL, 0x84bb4189UL,
0x03235d46UL, 0x1a386c07UL, 0x31153fc4UL, 0x280e0e85UL, 0x674f9842UL,
0x7e54a903UL, 0x5579fac0UL, 0x4c62cb81UL, 0x8138c51fUL, 0x9823f45eUL,
0xb30ea79dUL, 0xaa1596dcUL, 0xe554001bUL, 0xfc4f315aUL, 0xd7626299UL,
0xce7953d8UL, 0x49e14f17UL, 0x50fa7e56UL, 0x7bd72d95UL, 0x62cc1cd4UL,
0x2d8d8a13UL, 0x3496bb52UL, 0x1fbbe891UL, 0x06a0d9d0UL, 0x5e7ef3ecUL,
0x4765c2adUL, 0x6c48916eUL, 0x7553a02fUL, 0x3a1236e8UL, 0x230907a9UL,
0x0824546aUL, 0x113f652bUL, 0x96a779e4UL, 0x8fbc48a5UL, 0xa4911b66UL,
0xbd8a2a27UL, 0xf2cbbce0UL, 0xebd08da1UL, 0xc0fdde62UL, 0xd9e6ef23UL,
0x14bce1bdUL, 0x0da7d0fcUL, 0x268a833fUL, 0x3f91b27eUL, 0x70d024b9UL,
0x69cb15f8UL, 0x42e6463bUL, 0x5bfd777aUL, 0xdc656bb5UL, 0xc57e5af4UL,
0xee530937UL, 0xf7483876UL, 0xb809aeb1UL, 0xa1129ff0UL, 0x8a3fcc33UL,
0x9324fd72UL
},
{
0x00000000UL, 0x01c26a37UL, 0x0384d46eUL, 0x0246be59UL, 0x0709a8dcUL,
0x06cbc2ebUL, 0x048d7cb2UL, 0x054f1685UL, 0x0e1351b8UL, 0x0fd13b8fUL,
0x0d9785d6UL, 0x0c55efe1UL, 0x091af964UL, 0x08d89353UL, 0x0a9e2d0aUL,
0x0b5c473dUL, 0x1c26a370UL, 0x1de4c947UL, 0x1fa2771eUL, 0x1e601d29UL,
0x1b2f0bacUL, 0x1aed619bUL, 0x18abdfc2UL, 0x1969b5f5UL, 0x1235f2c8UL,
0x13f798ffUL, 0x11b126a6UL, 0x10734c91UL, 0x153c5a14UL, 0x14fe3023UL,
0x16b88e7aUL, 0x177ae44dUL, 0x384d46e0UL, 0x398f2cd7UL, 0x3bc9928eUL,
0x3a0bf8b9UL, 0x3f44ee3cUL, 0x3e86840bUL, 0x3cc03a52UL, 0x3d025065UL,
0x365e1758UL, 0x379c7d6fUL, 0x35dac336UL, 0x3418a901UL, 0x3157bf84UL,
0x3095d5b3UL, 0x32d36beaUL, 0x331101ddUL, 0x246be590UL, 0x25a98fa7UL,
0x27ef31feUL, 0x262d5bc9UL, 0x23624d4cUL, 0x22a0277bUL, 0x20e69922UL,
0x2124f315UL, 0x2a78b428UL, 0x2bbade1fUL, 0x29fc6046UL, 0x283e0a71UL,
0x2d711cf4UL, 0x2cb376c3UL, 0x2ef5c89aUL, 0x2f37a2adUL, 0x709a8dc0UL,
0x7158e7f7UL, 0x731e59aeUL, 0x72dc3399UL, 0x7793251cUL, 0x76514f2bUL,
0x7417f172UL, 0x75d59b45UL, 0x7e89dc78UL, 0x7f4bb64fUL, 0x7d0d0816UL,
0x7ccf6221UL, 0x798074a4UL, 0x78421e93UL, 0x7a04a0caUL, 0x7bc6cafdUL,
0x6cbc2eb0UL, 0x6d7e4487UL, 0x6f38fadeUL, 0x6efa90e9UL, 0x6bb5866cUL,
0x6a77ec5bUL, 0x68315202UL, 0x69f33835UL, 0x62af7f08UL, 0x636d153fUL,
0x612bab66UL, 0x60e9c151UL, 0x65a6d7d4UL, 0x6464bde3UL, 0x662203baUL,
0x67e0698dUL, 0x48d7cb20UL, 0x4915a117UL, 0x4b531f4eUL, 0x4a917579UL,
0x4fde63fcUL, 0x4e1c09cbUL, 0x4c5ab792UL, 0x4d98dda5UL, 0x46c49a98UL,
0x4706f0afUL, 0x45404ef6UL, 0x448224c1UL, 0x41cd3244UL, 0x400f5873UL,
0x4249e62aUL, 0x438b8c1dUL, 0x54f16850UL, 0x55330267UL, 0x5775bc3eUL,
0x56b7d609UL, 0x53f8c08cUL, 0x523aaabbUL, 0x507c14e2UL, 0x51be7ed5UL,
0x5ae239e8UL, 0x5b2053dfUL, 0x5966ed86UL, 0x58a487b1UL, 0x5deb9134UL,
0x5c29fb03UL, 0x5e6f455aUL, 0x5fad2f6dUL, 0xe1351b80UL, 0xe0f771b7UL,
0xe2b1cfeeUL, 0xe373a5d9UL, 0xe63cb35cUL, 0xe7fed96bUL, 0xe5b86732UL,
0xe47a0d05UL, 0xef264a38UL, 0xeee4200fUL, 0xeca29e56UL, 0xed60f461UL,
0xe82fe2e4UL, 0xe9ed88d3UL, 0xebab368aUL, 0xea695cbdUL, 0xfd13b8f0UL,
0xfcd1d2c7UL, 0xfe976c9eUL, 0xff5506a9UL, 0xfa1a102cUL, 0xfbd87a1bUL,
0xf99ec442UL, 0xf85cae75UL, 0xf300e948UL, 0xf2c2837fUL, 0xf0843d26UL,
0xf1465711UL, 0xf4094194UL, 0xf5cb2ba3UL, 0xf78d95faUL, 0xf64fffcdUL,
0xd9785d60UL, 0xd8ba3757UL, 0xdafc890eUL, 0xdb3ee339UL, 0xde71f5bcUL,
0xdfb39f8bUL, 0xddf521d2UL, 0xdc374be5UL, 0xd76b0cd8UL, 0xd6a966efUL,
0xd4efd8b6UL, 0xd52db281UL, 0xd062a404UL, 0xd1a0ce33UL, 0xd3e6706aUL,
0xd2241a5dUL, 0xc55efe10UL, 0xc49c9427UL, 0xc6da2a7eUL, 0xc7184049UL,
0xc25756ccUL, 0xc3953cfbUL, 0xc1d382a2UL, 0xc011e895UL, 0xcb4dafa8UL,
0xca8fc59fUL, 0xc8c97bc6UL, 0xc90b11f1UL, 0xcc440774UL, 0xcd866d43UL,
0xcfc0d31aUL, 0xce02b92dUL, 0x91af9640UL, 0x906dfc77UL, 0x922b422eUL,
0x93e92819UL, 0x96a63e9cUL, 0x976454abUL, 0x9522eaf2UL, 0x94e080c5UL,
0x9fbcc7f8UL, 0x9e7eadcfUL, 0x9c381396UL, 0x9dfa79a1UL, 0x98b56f24UL,
0x99770513UL, 0x9b31bb4aUL, 0x9af3d17dUL, 0x8d893530UL, 0x8c4b5f07UL,
0x8e0de15eUL, 0x8fcf8b69UL, 0x8a809decUL, 0x8b42f7dbUL, 0x89044982UL,
0x88c623b5UL, 0x839a6488UL, 0x82580ebfUL, 0x801eb0e6UL, 0x81dcdad1UL,
0x8493cc54UL, 0x8551a663UL, 0x8717183aUL, 0x86d5720dUL, 0xa9e2d0a0UL,
0xa820ba97UL, 0xaa6604ceUL, 0xaba46ef9UL, 0xaeeb787cUL, 0xaf29124bUL,
0xad6fac12UL, 0xacadc625UL, 0xa7f18118UL, 0xa633eb2fUL, 0xa4755576UL,
0xa5b73f41UL, 0xa0f829c4UL, 0xa13a43f3UL, 0xa37cfdaaUL, 0xa2be979dUL,
0xb5c473d0UL, 0xb40619e7UL, 0xb640a7beUL, 0xb782cd89UL, 0xb2cddb0cUL,
0xb30fb13bUL, 0xb1490f62UL, 0xb08b6555UL, 0xbbd72268UL, 0xba15485fUL,
0xb853f606UL, 0xb9919c31UL, 0xbcde8ab4UL, 0xbd1ce083UL, 0xbf5a5edaUL,
0xbe9834edUL
},
{
0x00000000UL, 0xb8bc6765UL, 0xaa09c88bUL, 0x12b5afeeUL, 0x8f629757UL,
0x37def032UL, 0x256b5fdcUL, 0x9dd738b9UL, 0xc5b428efUL, 0x7d084f8aUL,
0x6fbde064UL, 0xd7018701UL, 0x4ad6bfb8UL, 0xf26ad8ddUL, 0xe0df7733UL,
0x58631056UL, 0x5019579fUL, 0xe8a530faUL, 0xfa109f14UL, 0x42acf871UL,
0xdf7bc0c8UL, 0x67c7a7adUL, 0x75720843UL, 0xcdce6f26UL, 0x95ad7f70UL,
0x2d111815UL, 0x3fa4b7fbUL, 0x8718d09eUL, 0x1acfe827UL, 0xa2738f42UL,
0xb0c620acUL, 0x087a47c9UL, 0xa032af3eUL, 0x188ec85bUL, 0x0a3b67b5UL,
0xb28700d0UL, 0x2f503869UL, 0x97ec5f0cUL, 0x8559f0e2UL, 0x3de59787UL,
0x658687d1UL, 0xdd3ae0b4UL, 0xcf8f4f5aUL, 0x7733283fUL, 0xeae41086UL,
0x525877e3UL, 0x40edd80dUL, 0xf851bf68UL, 0xf02bf8a1UL, 0x48979fc4UL,
0x5a22302aUL, 0xe29e574fUL, 0x7f496ff6UL, 0xc7f50893UL, 0xd540a77dUL,
0x6dfcc018UL, 0x359fd04eUL, 0x8d23b72bUL, 0x9f9618c5UL, 0x272a7fa0UL,
0xbafd4719UL, 0x0241207cUL, 0x10f48f92UL, 0xa848e8f7UL, 0x9b14583dUL,
0x23a83f58UL, 0x311d90b6UL, 0x89a1f7d3UL, 0x1476cf6aUL, 0xaccaa80fUL,
0xbe7f07e1UL, 0x06c36084UL, 0x5ea070d2UL, 0xe61c17b7UL, 0xf4a9b859UL,
0x4c15df3cUL, 0xd1c2e785UL, 0x697e80e0UL, 0x7bcb2f0eUL, 0xc377486bUL,
0xcb0d0fa2UL, 0x73b168c7UL, 0x6104c729UL, 0xd9b8a04cUL, 0x446f98f5UL,
0xfcd3ff90UL, 0xee66507eUL, 0x56da371bUL, 0x0eb9274dUL, 0xb6054028UL,
0xa4b0efc6UL, 0x1c0c88a3UL, 0x81dbb01aUL, 0x3967d77fUL, 0x2bd27891UL,
0x936e1ff4UL, 0x3b26f703UL, 0x839a9066UL, 0x912f3f88UL, 0x299358edUL,
0xb4446054UL, 0x0cf80731UL, 0x1e4da8dfUL, 0xa6f1cfbaUL, 0xfe92dfecUL,
0x462eb889UL, 0x549b1767UL, 0xec277002UL, 0x71f048bbUL, 0xc94c2fdeUL,
0xdbf98030UL, 0x6345e755UL, 0x6b3fa09cUL, 0xd383c7f9UL, 0xc1366817UL,
0x798a0f72UL, 0xe45d37cbUL, 0x5ce150aeUL, 0x4e54ff40UL, 0xf6e89825UL,
0xae8b8873UL, 0x1637ef16UL, 0x048240f8UL, 0xbc3e279dUL, 0x21e91f24UL,
0x99557841UL, 0x8be0d7afUL, 0x335cb0caUL, 0xed59b63bUL, 0x55e5d15eUL,
0x47507eb0UL, 0xffec19d5UL, 0x623b216cUL, 0xda874609UL, 0xc832e9e7UL,
0x708e8e82UL, 0x28ed9ed4UL, 0x9051f9b1UL, 0x82e4565fUL, 0x3a58313aUL,
0xa78f0983UL, 0x1f336ee6UL, 0x0d86c108UL, 0xb53aa66dUL, 0xbd40e1a4UL,
0x05fc86c1UL, 0x1749292fUL, 0xaff54e4aUL, 0x322276f3UL, 0x8a9e1196UL,
0x982bbe78UL, 0x2097d91dUL, 0x78f4c94bUL, 0xc048ae2eUL, 0xd2fd01c0UL,
0x6a4166a5UL, 0xf7965e1cUL, 0x4f2a3979UL, 0x5d9f9697UL, 0xe523f1f2UL,
0x4d6b1905UL, 0xf5d77e60UL, 0xe762d18eUL, 0x5fdeb6ebUL, 0xc2098e52UL,
0x7ab5e937UL, 0x680046d9UL, 0xd0bc21bcUL, 0x88df31eaUL, 0x3063568fUL,
0x22d6f961UL, 0x9a6a9e04UL, 0x07bda6bdUL, 0xbf01c1d8UL, 0xadb46e36UL,
0x15080953UL, 0x1d724e9aUL, 0xa5ce29ffUL, 0xb77b8611UL, 0x0fc7e174UL,
0x9210d9cdUL, 0x2aacbea8UL, 0x38191146UL, 0x80a57623UL, 0xd8c66675UL,
0x607a0110UL, 0x72cfaefeUL, 0xca73c99bUL, 0x57a4f122UL, 0xef189647UL,
0xfdad39a9UL, 0x45115eccUL, 0x764dee06UL, 0xcef18963UL, 0xdc44268dUL,
0x64f841e8UL, 0xf92f7951UL, 0x41931e34UL, 0x5326b1daUL, 0xeb9ad6bfUL,
0xb3f9c6e9UL, 0x0b45a18cUL, 0x19f00e62UL, 0xa14c6907UL, 0x3c9b51beUL,
0x842736dbUL, 0x96929935UL, 0x2e2efe50UL, 0x2654b999UL, 0x9ee8defcUL,
0x8c5d7112UL, 0x34e11677UL, 0xa9362eceUL, 0x118a49abUL, 0x033fe645UL,
0xbb838120UL, 0xe3e09176UL, 0x5b5cf613UL, 0x49e959fdUL, 0xf1553e98UL,
0x6c820621UL, 0xd43e6144UL, 0xc68bceaaUL, 0x7e37a9cfUL, 0xd67f4138UL,
0x6ec3265dUL, 0x7c7689b3UL, 0xc4caeed6UL, 0x591dd66fUL, 0xe1a1b10aUL,
0xf3141ee4UL, 0x4ba87981UL, 0x13cb69d7UL, 0xab770eb2UL, 0xb9c2a15cUL,
0x017ec639UL, 0x9ca9fe80UL, 0x241599e5UL, 0x36a0360bUL, 0x8e1c516eUL,
0x866616a7UL, 0x3eda71c2UL, 0x2c6fde2cUL, 0x94d3b949UL, 0x090481f0UL,
0xb1b8e695UL, 0xa30d497bUL, 0x1bb12e1eUL, 0x43d23e48UL, 0xfb6e592dUL,
0xe9dbf6c3UL, 0x516791a6UL, 0xccb0a91fUL, 0x740cce7aUL, 0x66b96194UL,
0xde0506f1UL
},
{
0x00000000UL, 0x96300777UL, 0x2c610eeeUL, 0xba510999UL, 0x19c46d07UL,
0x8ff46a70UL, 0x35a563e9UL, 0xa395649eUL, 0x3288db0eUL, 0xa4b8dc79UL,
0x1ee9d5e0UL, 0x88d9d297UL, 0x2b4cb609UL, 0xbd7cb17eUL, 0x072db8e7UL,
0x911dbf90UL, 0x6410b71dUL, 0xf220b06aUL, 0x4871b9f3UL, 0xde41be84UL,
0x7dd4da1aUL, 0xebe4dd6dUL, 0x51b5d4f4UL, 0xc785d383UL, 0x56986c13UL,
0xc0a86b64UL, 0x7af962fdUL, 0xecc9658aUL, 0x4f5c0114UL, 0xd96c0663UL,
0x633d0ffaUL, 0xf50d088dUL, 0xc8206e3bUL, 0x5e10694cUL, 0xe44160d5UL,
0x727167a2UL, 0xd1e4033cUL, 0x47d4044bUL, 0xfd850dd2UL, 0x6bb50aa5UL,
0xfaa8b535UL, 0x6c98b242UL, 0xd6c9bbdbUL, 0x40f9bcacUL, 0xe36cd832UL,
0x755cdf45UL, 0xcf0dd6dcUL, 0x593dd1abUL, 0xac30d926UL, 0x3a00de51UL,
0x8051d7c8UL, 0x1661d0bfUL, 0xb5f4b421UL, 0x23c4b356UL, 0x9995bacfUL,
0x0fa5bdb8UL, 0x9eb80228UL, 0x0888055fUL, 0xb2d90cc6UL, 0x24e90bb1UL,
0x877c6f2fUL, 0x114c6858UL, 0xab1d61c1UL, 0x3d2d66b6UL, 0x9041dc76UL,
0x0671db01UL, 0xbc20d298UL, 0x2a10d5efUL, 0x8985b171UL, 0x1fb5b606UL,
0xa5e4bf9fUL, 0x33d4b8e8UL, 0xa2c90778UL, 0x34f9000fUL, 0x8ea80996UL,
0x18980ee1UL, 0xbb0d6a7fUL, 0x2d3d6d08UL, 0x976c6491UL, 0x015c63e6UL,
0xf4516b6bUL, 0x62616c1cUL, 0xd8306585UL, 0x4e0062f2UL, 0xed95066cUL,
0x7ba5011bUL, 0xc1f40882UL, 0x57c40ff5UL, 0xc6d9b065UL, 0x50e9b712UL,
0xeab8be8bUL, 0x7c88b9fcUL, 0xdf1ddd62UL, 0x492dda15UL, 0xf37cd38cUL,
0x654cd4fbUL, 0x5861b24dUL, 0xce51b53aUL, 0x7400bca3UL, 0xe230bbd4UL,
0x41a5df4aUL, 0xd795d83dUL, 0x6dc4d1a4UL, 0xfbf4d6d3UL, 0x6ae96943UL,
0xfcd96e34UL, 0x468867adUL, 0xd0b860daUL, 0x732d0444UL, 0xe51d0333UL,
0x5f4c0aaaUL, 0xc97c0dddUL, 0x3c710550UL, 0xaa410227UL, 0x10100bbeUL,
0x86200cc9UL, 0x25b56857UL, 0xb3856f20UL, 0x09d466b9UL, 0x9fe461ceUL,
0x0ef9de5eUL, 0x98c9d929UL, 0x2298d0b0UL, 0xb4a8d7c7UL, 0x173db359UL,
0x810db42eUL, 0x3b5cbdb7UL, 0xad6cbac0UL, 0x2083b8edUL, 0xb6b3bf9aUL,
0x0ce2b603UL, 0x9ad2b174UL, 0x3947d5eaUL, 0xaf77d29dUL, 0x1526db04UL,
0x8316dc73UL, 0x120b63e3UL, 0x843b6494UL, 0x3e6a6d0dUL, 0xa85a6a7aUL,
0x0bcf0ee4UL, 0x9dff0993UL, 0x27ae000aUL, 0xb19e077dUL, 0x44930ff0UL,
0xd2a30887UL, 0x68f2011eUL, 0xfec20669UL, 0x5d5762f7UL, 0xcb676580UL,
0x71366c19UL, 0xe7066b6eUL, 0x761bd4feUL, 0xe02bd389UL, 0x5a7ada10UL,
0xcc4add67UL, 0x6fdfb9f9UL, 0xf9efbe8eUL, 0x43beb717UL, 0xd58eb060UL,
0xe8a3d6d6UL, 0x7e93d1a1UL, 0xc4c2d838UL, 0x52f2df4fUL, 0xf167bbd1UL,
0x6757bca6UL, 0xdd06b53fUL, 0x4b36b248UL, 0xda2b0dd8UL, 0x4c1b0aafUL,
0xf64a0336UL, 0x607a0441UL, 0xc3ef60dfUL, 0x55df67a8UL, 0xef8e6e31UL,
0x79be6946UL, 0x8cb361cbUL, 0x1a8366bcUL, 0xa0d26f25UL, 0x36e26852UL,
0x95770cccUL, 0x03470bbbUL, 0xb9160222UL, 0x2f260555UL, 0xbe3bbac5UL,
0x280bbdb2UL, 0x925ab42bUL, 0x046ab35cUL, 0xa7ffd7c2UL, 0x31cfd0b5UL,
0x8b9ed92cUL, 0x1daede5bUL, 0xb0c2649bUL, 0x26f263ecUL, 0x9ca36a75UL,
0x0a936d02UL, 0xa906099cUL, 0x3f360eebUL, 0x85670772UL, 0x13570005UL,
0x824abf95UL, 0x147ab8e2UL, 0xae2bb17bUL, 0x381bb60cUL, 0x9b8ed292UL,
0x0dbed5e5UL, 0xb7efdc7cUL, 0x21dfdb0bUL, 0xd4d2d386UL, 0x42e2d4f1UL,
0xf8b3dd68UL, 0x6e83da1fUL, 0xcd16be81UL, 0x5b26b9f6UL, 0xe177b06fUL,
0x7747b718UL, 0xe65a0888UL, 0x706a0fffUL, 0xca3b0666UL, 0x5c0b0111UL,
0xff9e658fUL, 0x69ae62f8UL, 0xd3ff6b61UL, 0x45cf6c16UL, 0x78e20aa0UL,
0xeed20dd7UL, 0x5483044eUL, 0xc2b30339UL, 0x612667a7UL, 0xf71660d0UL,
0x4d476949UL, 0xdb776e3eUL, 0x4a6ad1aeUL, 0xdc5ad6d9UL, 0x660bdf40UL,
0xf03bd837UL, 0x53aebca9UL, 0xc59ebbdeUL, 0x7fcfb247UL, 0xe9ffb530UL,
0x1cf2bdbdUL, 0x8ac2bacaUL, 0x3093b353UL, 0xa6a3b424UL, 0x0536d0baUL,
0x9306d7cdUL, 0x2957de54UL, 0xbf67d923UL, 0x2e7a66b3UL, 0xb84a61c4UL,
0x021b685dUL, 0x942b6f2aUL, 0x37be0bb4UL, 0xa18e0cc3UL, 0x1bdf055aUL,
0x8def022dUL
},
{
0x00000000UL, 0x41311b19UL, 0x82623632UL, 0xc3532d2bUL, 0x04c56c64UL,
0x45f4777dUL, 0x86a75a56UL, 0xc796414fUL, 0x088ad9c8UL, 0x49bbc2d1UL,
0x8ae8effaUL, 0xcbd9f4e3UL, 0x0c4fb5acUL, 0x4d7eaeb5UL, 0x8e2d839eUL,
0xcf1c9887UL, 0x5112c24aUL, 0x1023d953UL, 0xd370f478UL, 0x9241ef61UL,
0x55d7ae2eUL, 0x14e6b537UL, 0xd7b5981cUL, 0x96848305UL, 0x59981b82UL,
0x18a9009bUL, 0xdbfa2db0UL, 0x9acb36a9UL, 0x5d5d77e6UL, 0x1c6c6cffUL,
0xdf3f41d4UL, 0x9e0e5acdUL, 0xa2248495UL, 0xe3159f8cUL, 0x2046b2a7UL,
0x6177a9beUL, 0xa6e1e8f1UL, 0xe7d0f3e8UL, 0x2483dec3UL, 0x65b2c5daUL,
0xaaae5d5dUL, 0xeb9f4644UL, 0x28cc6b6fUL, 0x69fd7076UL, 0xae6b3139UL,
0xef5a2a20UL, 0x2c09070bUL, 0x6d381c12UL, 0xf33646dfUL, 0xb2075dc6UL,
0x715470edUL, 0x30656bf4UL, 0xf7f32abbUL, 0xb6c231a2UL, 0x75911c89UL,
0x34a00790UL, 0xfbbc9f17UL, 0xba8d840eUL, 0x79dea925UL, 0x38efb23cUL,
0xff79f373UL, 0xbe48e86aUL, 0x7d1bc541UL, 0x3c2ade58UL, 0x054f79f0UL,
0x447e62e9UL, 0x872d4fc2UL, 0xc61c54dbUL, 0x018a1594UL, 0x40bb0e8dUL,
0x83e823a6UL, 0xc2d938bfUL, 0x0dc5a038UL, 0x4cf4bb21UL, 0x8fa7960aUL,
0xce968d13UL, 0x0900cc5cUL, 0x4831d745UL, 0x8b62fa6eUL, 0xca53e177UL,
0x545dbbbaUL, 0x156ca0a3UL, 0xd63f8d88UL, 0x970e9691UL, 0x5098d7deUL,
0x11a9ccc7UL, 0xd2fae1ecUL, 0x93cbfaf5UL, 0x5cd76272UL, 0x1de6796bUL,
0xdeb55440UL, 0x9f844f59UL, 0x58120e16UL, 0x1923150fUL, 0xda703824UL,
0x9b41233dUL, 0xa76bfd65UL, 0xe65ae67cUL, 0x2509cb57UL, 0x6438d04eUL,
0xa3ae9101UL, 0xe29f8a18UL, 0x21cca733UL, 0x60fdbc2aUL, 0xafe124adUL,
0xeed03fb4UL, 0x2d83129fUL, 0x6cb20986UL, 0xab2448c9UL, 0xea1553d0UL,
0x29467efbUL, 0x687765e2UL, 0xf6793f2fUL, 0xb7482436UL, 0x741b091dUL,
0x352a1204UL, 0xf2bc534bUL, 0xb38d4852UL, 0x70de6579UL, 0x31ef7e60UL,
0xfef3e6e7UL, 0xbfc2fdfeUL, 0x7c91d0d5UL, 0x3da0cbccUL, 0xfa368a83UL,
0xbb07919aUL, 0x7854bcb1UL, 0x3965a7a8UL, 0x4b98833bUL, 0x0aa99822UL,
0xc9fab509UL, 0x88cbae10UL, 0x4f5def5fUL, 0x0e6cf446UL, 0xcd3fd96dUL,
0x8c0ec274UL, 0x43125af3UL, 0x022341eaUL, 0xc1706cc1UL, 0x804177d8UL,
0x47d73697UL, 0x06e62d8eUL, 0xc5b500a5UL, 0x84841bbcUL, 0x1a8a4171UL,
0x5bbb5a68UL, 0x98e87743UL, 0xd9d96c5aUL, 0x1e4f2d15UL, 0x5f7e360cUL,
0x9c2d1b27UL, 0xdd1c003eUL, 0x120098b9UL, 0x533183a0UL, 0x9062ae8bUL,
0xd153b592UL, 0x16c5f4ddUL, 0x57f4efc4UL, 0x94a7c2efUL, 0xd596d9f6UL,
0xe9bc07aeUL, 0xa88d1cb7UL, 0x6bde319cUL, 0x2aef2a85UL, 0xed796bcaUL,
0xac4870d3UL, 0x6f1b5df8UL, 0x2e2a46e1UL, 0xe136de66UL, 0xa007c57fUL,
0x6354e854UL, 0x2265f34dUL, 0xe5f3b202UL, 0xa4c2a91bUL, 0x67918430UL,
0x26a09f29UL, 0xb8aec5e4UL, 0xf99fdefdUL, 0x3accf3d6UL, 0x7bfde8cfUL,
0xbc6ba980UL, 0xfd5ab299UL, 0x3e099fb2UL, 0x7f3884abUL, 0xb0241c2cUL,
0xf1150735UL, 0x32462a1eUL, 0x73773107UL, 0xb4e17048UL, 0xf5d06b51UL,
0x3683467aUL, 0x77b25d63UL, 0x4ed7facbUL, 0x0fe6e1d2UL, 0xccb5ccf9UL,
0x8d84d7e0UL, 0x4a1296afUL, 0x0b238db6UL, 0xc870a09dUL, 0x8941bb84UL,
0x465d2303UL, 0x076c381aUL, 0xc43f1531UL, 0x850e0e28UL, 0x42984f67UL,
0x03a9547eUL, 0xc0fa7955UL, 0x81cb624cUL, 0x1fc53881UL, 0x5ef42398UL,
0x9da70eb3UL, 0xdc9615aaUL, 0x1b0054e5UL, 0x5a314ffcUL, 0x996262d7UL,
0xd85379ceUL, 0x174fe149UL, 0x567efa50UL, 0x952dd77bUL, 0xd41ccc62UL,
0x138a8d2dUL, 0x52bb9634UL, 0x91e8bb1fUL, 0xd0d9a006UL, 0xecf37e5eUL,
0xadc26547UL, 0x6e91486cUL, 0x2fa05375UL, 0xe836123aUL, 0xa9070923UL,
0x6a542408UL, 0x2b653f11UL, 0xe479a796UL, 0xa548bc8fUL, 0x661b91a4UL,
0x272a8abdUL, 0xe0bccbf2UL, 0xa18dd0ebUL, 0x62defdc0UL, 0x23efe6d9UL,
0xbde1bc14UL, 0xfcd0a70dUL, 0x3f838a26UL, 0x7eb2913fUL, 0xb924d070UL,
0xf815cb69UL, 0x3b46e642UL, 0x7a77fd5bUL, 0xb56b65dcUL, 0xf45a7ec5UL,
0x370953eeUL, 0x763848f7UL, 0xb1ae09b8UL, 0xf09f12a1UL, 0x33cc3f8aUL,
0x72fd2493UL
},
{
0x00000000UL, 0x376ac201UL, 0x6ed48403UL, 0x59be4602UL, 0xdca80907UL,
0xebc2cb06UL, 0xb27c8d04UL, 0x85164f05UL, 0xb851130eUL, 0x8f3bd10fUL,
0xd685970dUL, 0xe1ef550cUL, 0x64f91a09UL, 0x5393d808UL, 0x0a2d9e0aUL,
0x3d475c0bUL, 0x70a3261cUL, 0x47c9e41dUL, 0x1e77a21fUL, 0x291d601eUL,
0xac0b2f1bUL, 0x9b61ed1aUL, 0xc2dfab18UL, 0xf5b56919UL, 0xc8f23512UL,
0xff98f713UL, 0xa626b111UL, 0x914c7310UL, 0x145a3c15UL, 0x2330fe14UL,
0x7a8eb816UL, 0x4de47a17UL, 0xe0464d38UL, 0xd72c8f39UL, 0x8e92c93bUL,
0xb9f80b3aUL, 0x3cee443fUL, 0x0b84863eUL, 0x523ac03cUL, 0x6550023dUL,
0x58175e36UL, 0x6f7d9c37UL, 0x36c3da35UL, 0x01a91834UL, 0x84bf5731UL,
0xb3d59530UL, 0xea6bd332UL, 0xdd011133UL, 0x90e56b24UL, 0xa78fa925UL,
0xfe31ef27UL, 0xc95b2d26UL, 0x4c4d6223UL, 0x7b27a022UL, 0x2299e620UL,
0x15f32421UL, 0x28b4782aUL, 0x1fdeba2bUL, 0x4660fc29UL, 0x710a3e28UL,
0xf41c712dUL, 0xc376b32cUL, 0x9ac8f52eUL, 0xada2372fUL, 0xc08d9a70UL,
0xf7e75871UL, 0xae591e73UL, 0x9933dc72UL, 0x1c259377UL, 0x2b4f5176UL,
0x72f11774UL, 0x459bd575UL, 0x78dc897eUL, 0x4fb64b7fUL, 0x16080d7dUL,
0x2162cf7cUL, 0xa4748079UL, 0x931e4278UL, 0xcaa0047aUL, 0xfdcac67bUL,
0xb02ebc6cUL, 0x87447e6dUL, 0xdefa386fUL, 0xe990fa6eUL, 0x6c86b56bUL,
0x5bec776aUL, 0x02523168UL, 0x3538f369UL, 0x087faf62UL, 0x3f156d63UL,
0x66ab2b61UL, 0x51c1e960UL, 0xd4d7a665UL, 0xe3bd6464UL, 0xba032266UL,
0x8d69e067UL, 0x20cbd748UL, 0x17a11549UL, 0x4e1f534bUL, 0x7975914aUL,
0xfc63de4fUL, 0xcb091c4eUL, 0x92b75a4cUL, 0xa5dd984dUL, 0x989ac446UL,
0xaff00647UL, 0xf64e4045UL, 0xc1248244UL, 0x4432cd41UL, 0x73580f40UL,
0x2ae64942UL, 0x1d8c8b43UL, 0x5068f154UL, 0x67023355UL, 0x3ebc7557UL,
0x09d6b756UL, 0x8cc0f853UL, 0xbbaa3a52UL, 0xe2147c50UL, 0xd57ebe51UL,
0xe839e25aUL, 0xdf53205bUL, 0x86ed6659UL, 0xb187a458UL, 0x3491eb5dUL,
0x03fb295cUL, 0x5a456f5eUL, 0x6d2fad5fUL, 0x801b35e1UL, 0xb771f7e0UL,
0xeecfb1e2UL, 0xd9a573e3UL, 0x5cb33ce6UL, 0x6bd9fee7UL, 0x3267b8e5UL,
0x050d7ae4UL, 0x384a26efUL, 0x0f20e4eeUL, 0x569ea2ecUL, 0x61f460edUL,
0xe4e22fe8UL, 0xd388ede9UL, 0x8a36abebUL, 0xbd5c69eaUL, 0xf0b813fdUL,
0xc7d2d1fcUL, 0x9e6c97feUL, 0xa90655ffUL, 0x2c101afaUL, 0x1b7ad8fbUL,
0x42c49ef9UL, 0x75ae5cf8UL, 0x48e900f3UL, 0x7f83c2f2UL, 0x263d84f0UL,
0x115746f1UL, 0x944109f4UL, 0xa32bcbf5UL, 0xfa958df7UL, 0xcdff4ff6UL,
0x605d78d9UL, 0x5737bad8UL, 0x0e89fcdaUL, 0x39e33edbUL, 0xbcf571deUL,
0x8b9fb3dfUL, 0xd221f5ddUL, 0xe54b37dcUL, 0xd80c6bd7UL, 0xef66a9d6UL,
0xb6d8efd4UL, 0x81b22dd5UL, 0x04a462d0UL, 0x33cea0d1UL, 0x6a70e6d3UL,
0x5d1a24d2UL, 0x10fe5ec5UL, 0x27949cc4UL, 0x7e2adac6UL, 0x494018c7UL,
0xcc5657c2UL, 0xfb3c95c3UL, 0xa282d3c1UL, 0x95e811c0UL, 0xa8af4dcbUL,
0x9fc58fcaUL, 0xc67bc9c8UL, 0xf1110bc9UL, 0x740744ccUL, 0x436d86cdUL,
0x1ad3c0cfUL, 0x2db902ceUL, 0x4096af91UL, 0x77fc6d90UL, 0x2e422b92UL,
0x1928e993UL, 0x9c3ea696UL, 0xab546497UL, 0xf2ea2295UL, 0xc580e094UL,
0xf8c7bc9fUL, 0xcfad7e9eUL, 0x9613389cUL, 0xa179fa9dUL, 0x246fb598UL,
0x13057799UL, 0x4abb319bUL, 0x7dd1f39aUL, 0x3035898dUL, 0x075f4b8cUL,
0x5ee10d8eUL, 0x698bcf8fUL, 0xec9d808aUL, 0xdbf7428bUL, 0x82490489UL,
0xb523c688UL, 0x88649a83UL, 0xbf0e5882UL, 0xe6b01e80UL, 0xd1dadc81UL,
0x54cc9384UL, 0x63a65185UL, 0x3a181787UL, 0x0d72d586UL, 0xa0d0e2a9UL,
0x97ba20a8UL, 0xce0466aaUL, 0xf96ea4abUL, 0x7c78ebaeUL, 0x4b1229afUL,
0x12ac6fadUL, 0x25c6adacUL, 0x1881f1a7UL, 0x2feb33a6UL, 0x765575a4UL,
0x413fb7a5UL, 0xc429f8a0UL, 0xf3433aa1UL, 0xaafd7ca3UL, 0x9d97bea2UL,
0xd073c4b5UL, 0xe71906b4UL, 0xbea740b6UL, 0x89cd82b7UL, 0x0cdbcdb2UL,
0x3bb10fb3UL, 0x620f49b1UL, 0x55658bb0UL, 0x6822d7bbUL, 0x5f4815baUL,
0x06f653b8UL, 0x319c91b9UL, 0xb48adebcUL, 0x83e01cbdUL, 0xda5e5abfUL,
0xed3498beUL
},
{
0x00000000UL, 0x6567bcb8UL, 0x8bc809aaUL, 0xeeafb512UL, 0x5797628fUL,
0x32f0de37UL, 0xdc5f6b25UL, 0xb938d79dUL, 0xef28b4c5UL, 0x8a4f087dUL,
0x64e0bd6fUL, 0x018701d7UL, 0xb8bfd64aUL, 0xddd86af2UL, 0x3377dfe0UL,
0x56106358UL, 0x9f571950UL, 0xfa30a5e8UL, 0x149f10faUL, 0x71f8ac42UL,
0xc8c07bdfUL, 0xada7c767UL, 0x43087275UL, 0x266fcecdUL, 0x707fad95UL,
0x1518112dUL, 0xfbb7a43fUL, 0x9ed01887UL, 0x27e8cf1aUL, 0x428f73a2UL,
0xac20c6b0UL, 0xc9477a08UL, 0x3eaf32a0UL, 0x5bc88e18UL, 0xb5673b0aUL,
0xd00087b2UL, 0x6938502fUL, 0x0c5fec97UL, 0xe2f05985UL, 0x8797e53dUL,
0xd1878665UL, 0xb4e03addUL, 0x5a4f8fcfUL, 0x3f283377UL, 0x8610e4eaUL,
0xe3775852UL, 0x0dd8ed40UL, 0x68bf51f8UL, 0xa1f82bf0UL, 0xc49f9748UL,
0x2a30225aUL, 0x4f579ee2UL, 0xf66f497fUL, 0x9308f5c7UL, 0x7da740d5UL,
0x18c0fc6dUL, 0x4ed09f35UL, 0x2bb7238dUL, 0xc518969fUL, 0xa07f2a27UL,
0x1947fdbaUL, 0x7c204102UL, 0x928ff410UL, 0xf7e848a8UL, 0x3d58149bUL,
0x583fa823UL, 0xb6901d31UL, 0xd3f7a189UL, 0x6acf7614UL, 0x0fa8caacUL,
0xe1077fbeUL, 0x8460c306UL, 0xd270a05eUL, 0xb7171ce6UL, 0x59b8a9f4UL,
0x3cdf154cUL, 0x85e7c2d1UL, 0xe0807e69UL, 0x0e2fcb7bUL, 0x6b4877c3UL,
0xa20f0dcbUL, 0xc768b173UL, 0x29c70461UL, 0x4ca0b8d9UL, 0xf5986f44UL,
0x90ffd3fcUL, 0x7e5066eeUL, 0x1b37da56UL, 0x4d27b90eUL, 0x284005b6UL,
0xc6efb0a4UL, 0xa3880c1cUL, 0x1ab0db81UL, 0x7fd76739UL, 0x9178d22bUL,
0xf41f6e93UL, 0x03f7263bUL, 0x66909a83UL, 0x883f2f91UL, 0xed589329UL,
0x546044b4UL, 0x3107f80cUL, 0xdfa84d1eUL, 0xbacff1a6UL, 0xecdf92feUL,
0x89b82e46UL, 0x67179b54UL, 0x027027ecUL, 0xbb48f071UL, 0xde2f4cc9UL,
0x3080f9dbUL, 0x55e74563UL, 0x9ca03f6bUL, 0xf9c783d3UL, 0x176836c1UL,
0x720f8a79UL, 0xcb375de4UL, 0xae50e15cUL, 0x40ff544eUL, 0x2598e8f6UL,
0x73888baeUL, 0x16ef3716UL, 0xf8408204UL, 0x9d273ebcUL, 0x241fe921UL,
0x41785599UL, 0xafd7e08bUL, 0xcab05c33UL, 0x3bb659edUL, 0x5ed1e555UL,
0xb07e5047UL, 0xd519ecffUL, 0x6c213b62UL, 0x094687daUL, 0xe7e932c8UL,
0x828e8e70UL, 0xd49eed28UL, 0xb1f95190UL, 0x5f56e482UL, 0x3a31583aUL,
0x83098fa7UL, 0xe66e331fUL, 0x08c1860dUL, 0x6da63ab5UL, 0xa4e140bdUL,
0xc186fc05UL, 0x2f294917UL, 0x4a4ef5afUL, 0xf3762232UL, 0x96119e8aUL,
0x78be2b98UL, 0x1dd99720UL, 0x4bc9f478UL, 0x2eae48c0UL, 0xc001fdd2UL,
0xa566416aUL, 0x1c5e96f7UL, 0x79392a4fUL, 0x97969f5dUL, 0xf2f123e5UL,
0x05196b4dUL, 0x607ed7f5UL, 0x8ed162e7UL, 0xebb6de5fUL, 0x528e09c2UL,
0x37e9b57aUL, 0xd9460068UL, 0xbc21bcd0UL, 0xea31df88UL, 0x8f566330UL,
0x61f9d622UL, 0x049e6a9aUL, 0xbda6bd07UL, 0xd8c101bfUL, 0x366eb4adUL,
0x53090815UL, 0x9a4e721dUL, 0xff29cea5UL, 0x11867bb7UL, 0x74e1c70fUL,
0xcdd91092UL, 0xa8beac2aUL, 0x46111938UL, 0x2376a580UL, 0x7566c6d8UL,
0x10017a60UL, 0xfeaecf72UL, 0x9bc973caUL, 0x22f1a457UL, 0x479618efUL,
0xa939adfdUL, 0xcc5e1145UL, 0x06ee4d76UL, 0x6389f1ceUL, 0x8d2644dcUL,
0xe841f864UL, 0x51792ff9UL, 0x341e9341UL, 0xdab12653UL, 0xbfd69aebUL,
0xe9c6f9b3UL, 0x8ca1450bUL, 0x620ef019UL, 0x07694ca1UL, 0xbe519b3cUL,
0xdb362784UL, 0x35999296UL, 0x50fe2e2eUL, 0x99b95426UL, 0xfcdee89eUL,
0x12715d8cUL, 0x7716e134UL, 0xce2e36a9UL, 0xab498a11UL, 0x45e63f03UL,
0x208183bbUL, 0x7691e0e3UL, 0x13f65c5bUL, 0xfd59e949UL, 0x983e55f1UL,
0x2106826cUL, 0x44613ed4UL, 0xaace8bc6UL, 0xcfa9377eUL, 0x38417fd6UL,
0x5d26c36eUL, 0xb389767cUL, 0xd6eecac4UL, 0x6fd61d59UL, 0x0ab1a1e1UL,
0xe41e14f3UL, 0x8179a84bUL, 0xd769cb13UL, 0xb20e77abUL, 0x5ca1c2b9UL,
0x39c67e01UL, 0x80fea99cUL, 0xe5991524UL, 0x0b36a036UL, 0x6e511c8eUL,
0xa7166686UL, 0xc271da3eUL, 0x2cde6f2cUL, 0x49b9d394UL, 0xf0810409UL,
0x95e6b8b1UL, 0x7b490da3UL, 0x1e2eb11bUL, 0x483ed243UL, 0x2d596efbUL,
0xc3f6dbe9UL, 0xa6916751UL, 0x1fa9b0ccUL, 0x7ace0c74UL, 0x9461b966UL,
0xf10605deUL
#endif
}
};

1834
dependencies/libwebsockets/win32port/zlib/deflate.c vendored Normal file
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342
dependencies/libwebsockets/win32port/zlib/deflate.h vendored Normal file
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@ -0,0 +1,342 @@
/* deflate.h -- internal compression state
* Copyright (C) 1995-2010 Jean-loup Gailly
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* @(#) $Id$ */
#ifndef DEFLATE_H
#define DEFLATE_H
#include "zutil.h"
/* define NO_GZIP when compiling if you want to disable gzip header and
trailer creation by deflate(). NO_GZIP would be used to avoid linking in
the crc code when it is not needed. For shared libraries, gzip encoding
should be left enabled. */
#ifndef NO_GZIP
# define GZIP
#endif
/* ===========================================================================
* Internal compression state.
*/
#define LENGTH_CODES 29
/* number of length codes, not counting the special END_BLOCK code */
#define LITERALS 256
/* number of literal bytes 0..255 */
#define L_CODES (LITERALS+1+LENGTH_CODES)
/* number of Literal or Length codes, including the END_BLOCK code */
#define D_CODES 30
/* number of distance codes */
#define BL_CODES 19
/* number of codes used to transfer the bit lengths */
#define HEAP_SIZE (2*L_CODES+1)
/* maximum heap size */
#define MAX_BITS 15
/* All codes must not exceed MAX_BITS bits */
#define INIT_STATE 42
#define EXTRA_STATE 69
#define NAME_STATE 73
#define COMMENT_STATE 91
#define HCRC_STATE 103
#define BUSY_STATE 113
#define FINISH_STATE 666
/* Stream status */
/* Data structure describing a single value and its code string. */
typedef struct ct_data_s {
union {
ush freq; /* frequency count */
ush code; /* bit string */
} fc;
union {
ush dad; /* father node in Huffman tree */
ush len; /* length of bit string */
} dl;
} FAR ct_data;
#define Freq fc.freq
#define Code fc.code
#define Dad dl.dad
#define Len dl.len
typedef struct static_tree_desc_s static_tree_desc;
typedef struct tree_desc_s {
ct_data *dyn_tree; /* the dynamic tree */
int max_code; /* largest code with non zero frequency */
static_tree_desc *stat_desc; /* the corresponding static tree */
} FAR tree_desc;
typedef ush Pos;
typedef Pos FAR Posf;
typedef unsigned IPos;
/* A Pos is an index in the character window. We use short instead of int to
* save space in the various tables. IPos is used only for parameter passing.
*/
typedef struct internal_state {
z_streamp strm; /* pointer back to this zlib stream */
int status; /* as the name implies */
Bytef *pending_buf; /* output still pending */
ulg pending_buf_size; /* size of pending_buf */
Bytef *pending_out; /* next pending byte to output to the stream */
uInt pending; /* nb of bytes in the pending buffer */
int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
gz_headerp gzhead; /* gzip header information to write */
uInt gzindex; /* where in extra, name, or comment */
Byte method; /* STORED (for zip only) or DEFLATED */
int last_flush; /* value of flush param for previous deflate call */
/* used by deflate.c: */
uInt w_size; /* LZ77 window size (32K by default) */
uInt w_bits; /* log2(w_size) (8..16) */
uInt w_mask; /* w_size - 1 */
Bytef *window;
/* Sliding window. Input bytes are read into the second half of the window,
* and move to the first half later to keep a dictionary of at least wSize
* bytes. With this organization, matches are limited to a distance of
* wSize-MAX_MATCH bytes, but this ensures that IO is always
* performed with a length multiple of the block size. Also, it limits
* the window size to 64K, which is quite useful on MSDOS.
* To do: use the user input buffer as sliding window.
*/
ulg window_size;
/* Actual size of window: 2*wSize, except when the user input buffer
* is directly used as sliding window.
*/
Posf *prev;
/* Link to older string with same hash index. To limit the size of this
* array to 64K, this link is maintained only for the last 32K strings.
* An index in this array is thus a window index modulo 32K.
*/
Posf *head; /* Heads of the hash chains or NIL. */
uInt ins_h; /* hash index of string to be inserted */
uInt hash_size; /* number of elements in hash table */
uInt hash_bits; /* log2(hash_size) */
uInt hash_mask; /* hash_size-1 */
uInt hash_shift;
/* Number of bits by which ins_h must be shifted at each input
* step. It must be such that after MIN_MATCH steps, the oldest
* byte no longer takes part in the hash key, that is:
* hash_shift * MIN_MATCH >= hash_bits
*/
long block_start;
/* Window position at the beginning of the current output block. Gets
* negative when the window is moved backwards.
*/
uInt match_length; /* length of best match */
IPos prev_match; /* previous match */
int match_available; /* set if previous match exists */
uInt strstart; /* start of string to insert */
uInt match_start; /* start of matching string */
uInt lookahead; /* number of valid bytes ahead in window */
uInt prev_length;
/* Length of the best match at previous step. Matches not greater than this
* are discarded. This is used in the lazy match evaluation.
*/
uInt max_chain_length;
/* To speed up deflation, hash chains are never searched beyond this
* length. A higher limit improves compression ratio but degrades the
* speed.
*/
uInt max_lazy_match;
/* Attempt to find a better match only when the current match is strictly
* smaller than this value. This mechanism is used only for compression
* levels >= 4.
*/
# define max_insert_length max_lazy_match
/* Insert new strings in the hash table only if the match length is not
* greater than this length. This saves time but degrades compression.
* max_insert_length is used only for compression levels <= 3.
*/
int level; /* compression level (1..9) */
int strategy; /* favor or force Huffman coding*/
uInt good_match;
/* Use a faster search when the previous match is longer than this */
int nice_match; /* Stop searching when current match exceeds this */
/* used by trees.c: */
/* Didn't use ct_data typedef below to supress compiler warning */
struct ct_data_s dyn_ltree[HEAP_SIZE]; /* literal and length tree */
struct ct_data_s dyn_dtree[2*D_CODES+1]; /* distance tree */
struct ct_data_s bl_tree[2*BL_CODES+1]; /* Huffman tree for bit lengths */
struct tree_desc_s l_desc; /* desc. for literal tree */
struct tree_desc_s d_desc; /* desc. for distance tree */
struct tree_desc_s bl_desc; /* desc. for bit length tree */
ush bl_count[MAX_BITS+1];
/* number of codes at each bit length for an optimal tree */
int heap[2*L_CODES+1]; /* heap used to build the Huffman trees */
int heap_len; /* number of elements in the heap */
int heap_max; /* element of largest frequency */
/* The sons of heap[n] are heap[2*n] and heap[2*n+1]. heap[0] is not used.
* The same heap array is used to build all trees.
*/
uch depth[2*L_CODES+1];
/* Depth of each subtree used as tie breaker for trees of equal frequency
*/
uchf *l_buf; /* buffer for literals or lengths */
uInt lit_bufsize;
/* Size of match buffer for literals/lengths. There are 4 reasons for
* limiting lit_bufsize to 64K:
* - frequencies can be kept in 16 bit counters
* - if compression is not successful for the first block, all input
* data is still in the window so we can still emit a stored block even
* when input comes from standard input. (This can also be done for
* all blocks if lit_bufsize is not greater than 32K.)
* - if compression is not successful for a file smaller than 64K, we can
* even emit a stored file instead of a stored block (saving 5 bytes).
* This is applicable only for zip (not gzip or zlib).
* - creating new Huffman trees less frequently may not provide fast
* adaptation to changes in the input data statistics. (Take for
* example a binary file with poorly compressible code followed by
* a highly compressible string table.) Smaller buffer sizes give
* fast adaptation but have of course the overhead of transmitting
* trees more frequently.
* - I can't count above 4
*/
uInt last_lit; /* running index in l_buf */
ushf *d_buf;
/* Buffer for distances. To simplify the code, d_buf and l_buf have
* the same number of elements. To use different lengths, an extra flag
* array would be necessary.
*/
ulg opt_len; /* bit length of current block with optimal trees */
ulg static_len; /* bit length of current block with static trees */
uInt matches; /* number of string matches in current block */
int last_eob_len; /* bit length of EOB code for last block */
#ifdef DEBUG
ulg compressed_len; /* total bit length of compressed file mod 2^32 */
ulg bits_sent; /* bit length of compressed data sent mod 2^32 */
#endif
ush bi_buf;
/* Output buffer. bits are inserted starting at the bottom (least
* significant bits).
*/
int bi_valid;
/* Number of valid bits in bi_buf. All bits above the last valid bit
* are always zero.
*/
ulg high_water;
/* High water mark offset in window for initialized bytes -- bytes above
* this are set to zero in order to avoid memory check warnings when
* longest match routines access bytes past the input. This is then
* updated to the new high water mark.
*/
} FAR deflate_state;
/* Output a byte on the stream.
* IN assertion: there is enough room in pending_buf.
*/
#define put_byte(s, c) {s->pending_buf[s->pending++] = (c);}
#define MIN_LOOKAHEAD (MAX_MATCH+MIN_MATCH+1)
/* Minimum amount of lookahead, except at the end of the input file.
* See deflate.c for comments about the MIN_MATCH+1.
*/
#define MAX_DIST(s) ((s)->w_size-MIN_LOOKAHEAD)
/* In order to simplify the code, particularly on 16 bit machines, match
* distances are limited to MAX_DIST instead of WSIZE.
*/
#define WIN_INIT MAX_MATCH
/* Number of bytes after end of data in window to initialize in order to avoid
memory checker errors from longest match routines */
/* in trees.c */
void ZLIB_INTERNAL _tr_init OF((deflate_state *s));
int ZLIB_INTERNAL _tr_tally OF((deflate_state *s, unsigned dist, unsigned lc));
void ZLIB_INTERNAL _tr_flush_block OF((deflate_state *s, charf *buf,
ulg stored_len, int last));
void ZLIB_INTERNAL _tr_align OF((deflate_state *s));
void ZLIB_INTERNAL _tr_stored_block OF((deflate_state *s, charf *buf,
ulg stored_len, int last));
#define d_code(dist) \
((dist) < 256 ? _dist_code[dist] : _dist_code[256+((dist)>>7)])
/* Mapping from a distance to a distance code. dist is the distance - 1 and
* must not have side effects. _dist_code[256] and _dist_code[257] are never
* used.
*/
#ifndef DEBUG
/* Inline versions of _tr_tally for speed: */
#if defined(GEN_TREES_H) || !defined(STDC)
extern uch ZLIB_INTERNAL _length_code[];
extern uch ZLIB_INTERNAL _dist_code[];
#else
extern const uch ZLIB_INTERNAL _length_code[];
extern const uch ZLIB_INTERNAL _dist_code[];
#endif
# define _tr_tally_lit(s, c, flush) \
{ uch cc = (c); \
s->d_buf[s->last_lit] = 0; \
s->l_buf[s->last_lit++] = cc; \
s->dyn_ltree[cc].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \
}
# define _tr_tally_dist(s, distance, length, flush) \
{ uch len = (length); \
ush dist = (distance); \
s->d_buf[s->last_lit] = dist; \
s->l_buf[s->last_lit++] = len; \
dist--; \
s->dyn_ltree[_length_code[len]+LITERALS+1].Freq++; \
s->dyn_dtree[d_code(dist)].Freq++; \
flush = (s->last_lit == s->lit_bufsize-1); \
}
#else
# define _tr_tally_lit(s, c, flush) flush = _tr_tally(s, 0, c)
# define _tr_tally_dist(s, distance, length, flush) \
flush = _tr_tally(s, distance, length)
#endif
#endif /* DEFLATE_H */

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/* gzclose.c -- zlib gzclose() function
* Copyright (C) 2004, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "gzguts.h"
/* gzclose() is in a separate file so that it is linked in only if it is used.
That way the other gzclose functions can be used instead to avoid linking in
unneeded compression or decompression routines. */
int ZEXPORT gzclose(file)
gzFile file;
{
#ifndef NO_GZCOMPRESS
gz_statep state;
if (file == NULL)
return Z_STREAM_ERROR;
state = (gz_statep)file;
return state->mode == GZ_READ ? gzclose_r(file) : gzclose_w(file);
#else
return gzclose_r(file);
#endif
}

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/* gzguts.h -- zlib internal header definitions for gz* operations
* Copyright (C) 2004, 2005, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#ifdef _LARGEFILE64_SOURCE
# ifndef _LARGEFILE_SOURCE
# define _LARGEFILE_SOURCE 1
# endif
# ifdef _FILE_OFFSET_BITS
# undef _FILE_OFFSET_BITS
# endif
#endif
#if ((__GNUC__-0) * 10 + __GNUC_MINOR__-0 >= 33) && !defined(NO_VIZ)
# define ZLIB_INTERNAL __attribute__((visibility ("hidden")))
#else
# define ZLIB_INTERNAL
#endif
#include <stdio.h>
#include "zlib.h"
#ifdef STDC
# include <string.h>
# include <stdlib.h>
# include <limits.h>
#endif
#include <fcntl.h>
#ifdef NO_DEFLATE /* for compatibility with old definition */
# define NO_GZCOMPRESS
#endif
#ifdef _MSC_VER
# include <io.h>
# define vsnprintf _vsnprintf
#endif
#ifndef local
# define local static
#endif
/* compile with -Dlocal if your debugger can't find static symbols */
/* gz* functions always use library allocation functions */
#ifndef STDC
extern voidp malloc OF((uInt size));
extern void free OF((voidpf ptr));
#endif
/* get errno and strerror definition */
#if defined UNDER_CE
# include <windows.h>
# define zstrerror() gz_strwinerror((DWORD)GetLastError())
#else
# ifdef STDC
# include <errno.h>
# define zstrerror() strerror(errno)
# else
# define zstrerror() "stdio error (consult errno)"
# endif
#endif
/* provide prototypes for these when building zlib without LFS */
#if !defined(_LARGEFILE64_SOURCE) || _LFS64_LARGEFILE-0 == 0
ZEXTERN gzFile ZEXPORT gzopen64 OF((const char *, const char *));
ZEXTERN z_off64_t ZEXPORT gzseek64 OF((gzFile, z_off64_t, int));
ZEXTERN z_off64_t ZEXPORT gztell64 OF((gzFile));
ZEXTERN z_off64_t ZEXPORT gzoffset64 OF((gzFile));
#endif
/* default i/o buffer size -- double this for output when reading */
#define GZBUFSIZE 8192
/* gzip modes, also provide a little integrity check on the passed structure */
#define GZ_NONE 0
#define GZ_READ 7247
#define GZ_WRITE 31153
#define GZ_APPEND 1 /* mode set to GZ_WRITE after the file is opened */
/* values for gz_state how */
#define LOOK 0 /* look for a gzip header */
#define COPY 1 /* copy input directly */
#define GZIP 2 /* decompress a gzip stream */
/* internal gzip file state data structure */
typedef struct {
/* used for both reading and writing */
int mode; /* see gzip modes above */
int fd; /* file descriptor */
char *path; /* path or fd for error messages */
z_off64_t pos; /* current position in uncompressed data */
unsigned size; /* buffer size, zero if not allocated yet */
unsigned want; /* requested buffer size, default is GZBUFSIZE */
unsigned char *in; /* input buffer */
unsigned char *out; /* output buffer (double-sized when reading) */
unsigned char *next; /* next output data to deliver or write */
/* just for reading */
unsigned have; /* amount of output data unused at next */
int eof; /* true if end of input file reached */
z_off64_t start; /* where the gzip data started, for rewinding */
z_off64_t raw; /* where the raw data started, for seeking */
int how; /* 0: get header, 1: copy, 2: decompress */
int direct; /* true if last read direct, false if gzip */
/* just for writing */
int level; /* compression level */
int strategy; /* compression strategy */
/* seek request */
z_off64_t skip; /* amount to skip (already rewound if backwards) */
int seek; /* true if seek request pending */
/* error information */
int err; /* error code */
char *msg; /* error message */
/* zlib inflate or deflate stream */
z_stream strm; /* stream structure in-place (not a pointer) */
} gz_state;
typedef gz_state FAR *gz_statep;
/* shared functions */
void ZLIB_INTERNAL gz_error OF((gz_statep, int, const char *));
#if defined UNDER_CE
char ZLIB_INTERNAL *gz_strwinerror OF((DWORD error));
#endif
/* GT_OFF(x), where x is an unsigned value, is true if x > maximum z_off64_t
value -- needed when comparing unsigned to z_off64_t, which is signed
(possible z_off64_t types off_t, off64_t, and long are all signed) */
#ifdef INT_MAX
# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > INT_MAX)
#else
unsigned ZLIB_INTERNAL gz_intmax OF((void));
# define GT_OFF(x) (sizeof(int) == sizeof(z_off64_t) && (x) > gz_intmax())
#endif

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/* gzlib.c -- zlib functions common to reading and writing gzip files
* Copyright (C) 2004, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "gzguts.h"
#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
# define LSEEK lseek64
#else
# define LSEEK lseek
#endif
/* Local functions */
local void gz_reset OF((gz_statep));
local gzFile gz_open OF((const char *, int, const char *));
#if defined UNDER_CE
/* Map the Windows error number in ERROR to a locale-dependent error message
string and return a pointer to it. Typically, the values for ERROR come
from GetLastError.
The string pointed to shall not be modified by the application, but may be
overwritten by a subsequent call to gz_strwinerror
The gz_strwinerror function does not change the current setting of
GetLastError. */
char ZLIB_INTERNAL *gz_strwinerror (error)
DWORD error;
{
static char buf[1024];
wchar_t *msgbuf;
DWORD lasterr = GetLastError();
DWORD chars = FormatMessage(FORMAT_MESSAGE_FROM_SYSTEM
| FORMAT_MESSAGE_ALLOCATE_BUFFER,
NULL,
error,
0, /* Default language */
(LPVOID)&msgbuf,
0,
NULL);
if (chars != 0) {
/* If there is an \r\n appended, zap it. */
if (chars >= 2
&& msgbuf[chars - 2] == '\r' && msgbuf[chars - 1] == '\n') {
chars -= 2;
msgbuf[chars] = 0;
}
if (chars > sizeof (buf) - 1) {
chars = sizeof (buf) - 1;
msgbuf[chars] = 0;
}
wcstombs(buf, msgbuf, chars + 1);
LocalFree(msgbuf);
}
else {
sprintf(buf, "unknown win32 error (%ld)", error);
}
SetLastError(lasterr);
return buf;
}
#endif /* UNDER_CE */
/* Reset gzip file state */
local void gz_reset(state)
gz_statep state;
{
if (state->mode == GZ_READ) { /* for reading ... */
state->have = 0; /* no output data available */
state->eof = 0; /* not at end of file */
state->how = LOOK; /* look for gzip header */
state->direct = 1; /* default for empty file */
}
state->seek = 0; /* no seek request pending */
gz_error(state, Z_OK, NULL); /* clear error */
state->pos = 0; /* no uncompressed data yet */
state->strm.avail_in = 0; /* no input data yet */
}
/* Open a gzip file either by name or file descriptor. */
local gzFile gz_open(path, fd, mode)
const char *path;
int fd;
const char *mode;
{
gz_statep state;
/* allocate gzFile structure to return */
state = malloc(sizeof(gz_state));
if (state == NULL)
return NULL;
state->size = 0; /* no buffers allocated yet */
state->want = GZBUFSIZE; /* requested buffer size */
state->msg = NULL; /* no error message yet */
/* interpret mode */
state->mode = GZ_NONE;
state->level = Z_DEFAULT_COMPRESSION;
state->strategy = Z_DEFAULT_STRATEGY;
while (*mode) {
if (*mode >= '0' && *mode <= '9')
state->level = *mode - '0';
else
switch (*mode) {
case 'r':
state->mode = GZ_READ;
break;
#ifndef NO_GZCOMPRESS
case 'w':
state->mode = GZ_WRITE;
break;
case 'a':
state->mode = GZ_APPEND;
break;
#endif
case '+': /* can't read and write at the same time */
free(state);
return NULL;
case 'b': /* ignore -- will request binary anyway */
break;
case 'f':
state->strategy = Z_FILTERED;
break;
case 'h':
state->strategy = Z_HUFFMAN_ONLY;
break;
case 'R':
state->strategy = Z_RLE;
break;
case 'F':
state->strategy = Z_FIXED;
default: /* could consider as an error, but just ignore */
;
}
mode++;
}
/* must provide an "r", "w", or "a" */
if (state->mode == GZ_NONE) {
free(state);
return NULL;
}
/* save the path name for error messages */
state->path = malloc(strlen(path) + 1);
if (state->path == NULL) {
free(state);
return NULL;
}
strcpy(state->path, path);
/* open the file with the appropriate mode (or just use fd) */
state->fd = fd != -1 ? fd :
open(path,
#ifdef O_LARGEFILE
O_LARGEFILE |
#endif
#ifdef O_BINARY
O_BINARY |
#endif
(state->mode == GZ_READ ?
O_RDONLY :
(O_WRONLY | O_CREAT | (
state->mode == GZ_WRITE ?
O_TRUNC :
O_APPEND))),
0666);
if (state->fd == -1) {
free(state->path);
free(state);
return NULL;
}
if (state->mode == GZ_APPEND)
state->mode = GZ_WRITE; /* simplify later checks */
/* save the current position for rewinding (only if reading) */
if (state->mode == GZ_READ) {
state->start = LSEEK(state->fd, 0, SEEK_CUR);
if (state->start == -1) state->start = 0;
}
/* initialize stream */
gz_reset(state);
/* return stream */
return (gzFile)state;
}
/* -- see zlib.h -- */
gzFile ZEXPORT gzopen(path, mode)
const char *path;
const char *mode;
{
return gz_open(path, -1, mode);
}
/* -- see zlib.h -- */
gzFile ZEXPORT gzopen64(path, mode)
const char *path;
const char *mode;
{
return gz_open(path, -1, mode);
}
/* -- see zlib.h -- */
gzFile ZEXPORT gzdopen(fd, mode)
int fd;
const char *mode;
{
char *path; /* identifier for error messages */
gzFile gz;
if (fd == -1 || (path = malloc(7 + 3 * sizeof(int))) == NULL)
return NULL;
sprintf(path, "<fd:%d>", fd); /* for debugging */
gz = gz_open(path, fd, mode);
free(path);
return gz;
}
/* -- see zlib.h -- */
int ZEXPORT gzbuffer(file, size)
gzFile file;
unsigned size;
{
gz_statep state;
/* get internal structure and check integrity */
if (file == NULL)
return -1;
state = (gz_statep)file;
if (state->mode != GZ_READ && state->mode != GZ_WRITE)
return -1;
/* make sure we haven't already allocated memory */
if (state->size != 0)
return -1;
/* check and set requested size */
if (size == 0)
return -1;
state->want = size;
return 0;
}
/* -- see zlib.h -- */
int ZEXPORT gzrewind(file)
gzFile file;
{
gz_statep state;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
/* check that we're reading and that there's no error */
if (state->mode != GZ_READ || state->err != Z_OK)
return -1;
/* back up and start over */
if (LSEEK(state->fd, state->start, SEEK_SET) == -1)
return -1;
gz_reset(state);
return 0;
}
/* -- see zlib.h -- */
z_off64_t ZEXPORT gzseek64(file, offset, whence)
gzFile file;
z_off64_t offset;
int whence;
{
unsigned n;
z_off64_t ret;
gz_statep state;
/* get internal structure and check integrity */
if (file == NULL)
return -1;
state = (gz_statep)file;
if (state->mode != GZ_READ && state->mode != GZ_WRITE)
return -1;
/* check that there's no error */
if (state->err != Z_OK)
return -1;
/* can only seek from start or relative to current position */
if (whence != SEEK_SET && whence != SEEK_CUR)
return -1;
/* normalize offset to a SEEK_CUR specification */
if (whence == SEEK_SET)
offset -= state->pos;
else if (state->seek)
offset += state->skip;
state->seek = 0;
/* if within raw area while reading, just go there */
if (state->mode == GZ_READ && state->how == COPY &&
state->pos + offset >= state->raw) {
ret = LSEEK(state->fd, offset - state->have, SEEK_CUR);
if (ret == -1)
return -1;
state->have = 0;
state->eof = 0;
state->seek = 0;
gz_error(state, Z_OK, NULL);
state->strm.avail_in = 0;
state->pos += offset;
return state->pos;
}
/* calculate skip amount, rewinding if needed for back seek when reading */
if (offset < 0) {
if (state->mode != GZ_READ) /* writing -- can't go backwards */
return -1;
offset += state->pos;
if (offset < 0) /* before start of file! */
return -1;
if (gzrewind(file) == -1) /* rewind, then skip to offset */
return -1;
}
/* if reading, skip what's in output buffer (one less gzgetc() check) */
if (state->mode == GZ_READ) {
n = GT_OFF(state->have) || (z_off64_t)state->have > offset ?
(unsigned)offset : state->have;
state->have -= n;
state->next += n;
state->pos += n;
offset -= n;
}
/* request skip (if not zero) */
if (offset) {
state->seek = 1;
state->skip = offset;
}
return state->pos + offset;
}
/* -- see zlib.h -- */
z_off_t ZEXPORT gzseek(file, offset, whence)
gzFile file;
z_off_t offset;
int whence;
{
z_off64_t ret;
ret = gzseek64(file, (z_off64_t)offset, whence);
return ret == (z_off_t)ret ? (z_off_t)ret : -1;
}
/* -- see zlib.h -- */
z_off64_t ZEXPORT gztell64(file)
gzFile file;
{
gz_statep state;
/* get internal structure and check integrity */
if (file == NULL)
return -1;
state = (gz_statep)file;
if (state->mode != GZ_READ && state->mode != GZ_WRITE)
return -1;
/* return position */
return state->pos + (state->seek ? state->skip : 0);
}
/* -- see zlib.h -- */
z_off_t ZEXPORT gztell(file)
gzFile file;
{
z_off64_t ret;
ret = gztell64(file);
return ret == (z_off_t)ret ? (z_off_t)ret : -1;
}
/* -- see zlib.h -- */
z_off64_t ZEXPORT gzoffset64(file)
gzFile file;
{
z_off64_t offset;
gz_statep state;
/* get internal structure and check integrity */
if (file == NULL)
return -1;
state = (gz_statep)file;
if (state->mode != GZ_READ && state->mode != GZ_WRITE)
return -1;
/* compute and return effective offset in file */
offset = LSEEK(state->fd, 0, SEEK_CUR);
if (offset == -1)
return -1;
if (state->mode == GZ_READ) /* reading */
offset -= state->strm.avail_in; /* don't count buffered input */
return offset;
}
/* -- see zlib.h -- */
z_off_t ZEXPORT gzoffset(file)
gzFile file;
{
z_off64_t ret;
ret = gzoffset64(file);
return ret == (z_off_t)ret ? (z_off_t)ret : -1;
}
/* -- see zlib.h -- */
int ZEXPORT gzeof(file)
gzFile file;
{
gz_statep state;
/* get internal structure and check integrity */
if (file == NULL)
return 0;
state = (gz_statep)file;
if (state->mode != GZ_READ && state->mode != GZ_WRITE)
return 0;
/* return end-of-file state */
return state->mode == GZ_READ ?
(state->eof && state->strm.avail_in == 0 && state->have == 0) : 0;
}
/* -- see zlib.h -- */
const char * ZEXPORT gzerror(file, errnum)
gzFile file;
int *errnum;
{
gz_statep state;
/* get internal structure and check integrity */
if (file == NULL)
return NULL;
state = (gz_statep)file;
if (state->mode != GZ_READ && state->mode != GZ_WRITE)
return NULL;
/* return error information */
if (errnum != NULL)
*errnum = state->err;
return state->msg == NULL ? "" : state->msg;
}
/* -- see zlib.h -- */
void ZEXPORT gzclearerr(file)
gzFile file;
{
gz_statep state;
/* get internal structure and check integrity */
if (file == NULL)
return;
state = (gz_statep)file;
if (state->mode != GZ_READ && state->mode != GZ_WRITE)
return;
/* clear error and end-of-file */
if (state->mode == GZ_READ)
state->eof = 0;
gz_error(state, Z_OK, NULL);
}
/* Create an error message in allocated memory and set state->err and
state->msg accordingly. Free any previous error message already there. Do
not try to free or allocate space if the error is Z_MEM_ERROR (out of
memory). Simply save the error message as a static string. If there is an
allocation failure constructing the error message, then convert the error to
out of memory. */
void ZLIB_INTERNAL gz_error(state, err, msg)
gz_statep state;
int err;
const char *msg;
{
/* free previously allocated message and clear */
if (state->msg != NULL) {
if (state->err != Z_MEM_ERROR)
free(state->msg);
state->msg = NULL;
}
/* set error code, and if no message, then done */
state->err = err;
if (msg == NULL)
return;
/* for an out of memory error, save as static string */
if (err == Z_MEM_ERROR) {
state->msg = (char *)msg;
return;
}
/* construct error message with path */
if ((state->msg = malloc(strlen(state->path) + strlen(msg) + 3)) == NULL) {
state->err = Z_MEM_ERROR;
state->msg = (char *)"out of memory";
return;
}
strcpy(state->msg, state->path);
strcat(state->msg, ": ");
strcat(state->msg, msg);
return;
}
#ifndef INT_MAX
/* portably return maximum value for an int (when limits.h presumed not
available) -- we need to do this to cover cases where 2's complement not
used, since C standard permits 1's complement and sign-bit representations,
otherwise we could just use ((unsigned)-1) >> 1 */
unsigned ZLIB_INTERNAL gz_intmax()
{
unsigned p, q;
p = 1;
do {
q = p;
p <<= 1;
p++;
} while (p > q);
return q >> 1;
}
#endif

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/* gzread.c -- zlib functions for reading gzip files
* Copyright (C) 2004, 2005, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "gzguts.h"
/* Local functions */
local int gz_load OF((gz_statep, unsigned char *, unsigned, unsigned *));
local int gz_avail OF((gz_statep));
local int gz_next4 OF((gz_statep, unsigned long *));
local int gz_head OF((gz_statep));
local int gz_decomp OF((gz_statep));
local int gz_make OF((gz_statep));
local int gz_skip OF((gz_statep, z_off64_t));
/* Use read() to load a buffer -- return -1 on error, otherwise 0. Read from
state->fd, and update state->eof, state->err, and state->msg as appropriate.
This function needs to loop on read(), since read() is not guaranteed to
read the number of bytes requested, depending on the type of descriptor. */
local int gz_load(state, buf, len, have)
gz_statep state;
unsigned char *buf;
unsigned len;
unsigned *have;
{
int ret;
*have = 0;
do {
ret = read(state->fd, buf + *have, len - *have);
if (ret <= 0)
break;
*have += ret;
} while (*have < len);
if (ret < 0) {
gz_error(state, Z_ERRNO, zstrerror());
return -1;
}
if (ret == 0)
state->eof = 1;
return 0;
}
/* Load up input buffer and set eof flag if last data loaded -- return -1 on
error, 0 otherwise. Note that the eof flag is set when the end of the input
file is reached, even though there may be unused data in the buffer. Once
that data has been used, no more attempts will be made to read the file.
gz_avail() assumes that strm->avail_in == 0. */
local int gz_avail(state)
gz_statep state;
{
z_streamp strm = &(state->strm);
if (state->err != Z_OK)
return -1;
if (state->eof == 0) {
if (gz_load(state, state->in, state->size,
(unsigned *)&(strm->avail_in)) == -1)
return -1;
strm->next_in = state->in;
}
return 0;
}
/* Get next byte from input, or -1 if end or error. */
#define NEXT() ((strm->avail_in == 0 && gz_avail(state) == -1) ? -1 : \
(strm->avail_in == 0 ? -1 : \
(strm->avail_in--, *(strm->next_in)++)))
/* Get a four-byte little-endian integer and return 0 on success and the value
in *ret. Otherwise -1 is returned and *ret is not modified. */
local int gz_next4(state, ret)
gz_statep state;
unsigned long *ret;
{
int ch;
unsigned long val;
z_streamp strm = &(state->strm);
val = NEXT();
val += (unsigned)NEXT() << 8;
val += (unsigned long)NEXT() << 16;
ch = NEXT();
if (ch == -1)
return -1;
val += (unsigned long)ch << 24;
*ret = val;
return 0;
}
/* Look for gzip header, set up for inflate or copy. state->have must be zero.
If this is the first time in, allocate required memory. state->how will be
left unchanged if there is no more input data available, will be set to COPY
if there is no gzip header and direct copying will be performed, or it will
be set to GZIP for decompression, and the gzip header will be skipped so
that the next available input data is the raw deflate stream. If direct
copying, then leftover input data from the input buffer will be copied to
the output buffer. In that case, all further file reads will be directly to
either the output buffer or a user buffer. If decompressing, the inflate
state and the check value will be initialized. gz_head() will return 0 on
success or -1 on failure. Failures may include read errors or gzip header
errors. */
local int gz_head(state)
gz_statep state;
{
z_streamp strm = &(state->strm);
int flags;
unsigned len;
/* allocate read buffers and inflate memory */
if (state->size == 0) {
/* allocate buffers */
state->in = malloc(state->want);
state->out = malloc(state->want << 1);
if (state->in == NULL || state->out == NULL) {
if (state->out != NULL)
free(state->out);
if (state->in != NULL)
free(state->in);
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
state->size = state->want;
/* allocate inflate memory */
state->strm.zalloc = Z_NULL;
state->strm.zfree = Z_NULL;
state->strm.opaque = Z_NULL;
state->strm.avail_in = 0;
state->strm.next_in = Z_NULL;
if (inflateInit2(&(state->strm), -15) != Z_OK) { /* raw inflate */
free(state->out);
free(state->in);
state->size = 0;
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
}
/* get some data in the input buffer */
if (strm->avail_in == 0) {
if (gz_avail(state) == -1)
return -1;
if (strm->avail_in == 0)
return 0;
}
/* look for the gzip magic header bytes 31 and 139 */
if (strm->next_in[0] == 31) {
strm->avail_in--;
strm->next_in++;
if (strm->avail_in == 0 && gz_avail(state) == -1)
return -1;
if (strm->avail_in && strm->next_in[0] == 139) {
/* we have a gzip header, woo hoo! */
strm->avail_in--;
strm->next_in++;
/* skip rest of header */
if (NEXT() != 8) { /* compression method */
gz_error(state, Z_DATA_ERROR, "unknown compression method");
return -1;
}
flags = NEXT();
if (flags & 0xe0) { /* reserved flag bits */
gz_error(state, Z_DATA_ERROR, "unknown header flags set");
return -1;
}
NEXT(); /* modification time */
NEXT();
NEXT();
NEXT();
NEXT(); /* extra flags */
NEXT(); /* operating system */
if (flags & 4) { /* extra field */
len = (unsigned)NEXT();
len += (unsigned)NEXT() << 8;
while (len--)
if (NEXT() < 0)
break;
}
if (flags & 8) /* file name */
while (NEXT() > 0)
;
if (flags & 16) /* comment */
while (NEXT() > 0)
;
if (flags & 2) { /* header crc */
NEXT();
NEXT();
}
/* an unexpected end of file is not checked for here -- it will be
noticed on the first request for uncompressed data */
/* set up for decompression */
inflateReset(strm);
strm->adler = crc32(0L, Z_NULL, 0);
state->how = GZIP;
state->direct = 0;
return 0;
}
else {
/* not a gzip file -- save first byte (31) and fall to raw i/o */
state->out[0] = 31;
state->have = 1;
}
}
/* doing raw i/o, save start of raw data for seeking, copy any leftover
input to output -- this assumes that the output buffer is larger than
the input buffer, which also assures space for gzungetc() */
state->raw = state->pos;
state->next = state->out;
if (strm->avail_in) {
memcpy(state->next + state->have, strm->next_in, strm->avail_in);
state->have += strm->avail_in;
strm->avail_in = 0;
}
state->how = COPY;
state->direct = 1;
return 0;
}
/* Decompress from input to the provided next_out and avail_out in the state.
If the end of the compressed data is reached, then verify the gzip trailer
check value and length (modulo 2^32). state->have and state->next are set
to point to the just decompressed data, and the crc is updated. If the
trailer is verified, state->how is reset to LOOK to look for the next gzip
stream or raw data, once state->have is depleted. Returns 0 on success, -1
on failure. Failures may include invalid compressed data or a failed gzip
trailer verification. */
local int gz_decomp(state)
gz_statep state;
{
int ret;
unsigned had;
unsigned long crc, len;
z_streamp strm = &(state->strm);
/* fill output buffer up to end of deflate stream */
had = strm->avail_out;
do {
/* get more input for inflate() */
if (strm->avail_in == 0 && gz_avail(state) == -1)
return -1;
if (strm->avail_in == 0) {
gz_error(state, Z_DATA_ERROR, "unexpected end of file");
return -1;
}
/* decompress and handle errors */
ret = inflate(strm, Z_NO_FLUSH);
if (ret == Z_STREAM_ERROR || ret == Z_NEED_DICT) {
gz_error(state, Z_STREAM_ERROR,
"internal error: inflate stream corrupt");
return -1;
}
if (ret == Z_MEM_ERROR) {
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
if (ret == Z_DATA_ERROR) { /* deflate stream invalid */
gz_error(state, Z_DATA_ERROR,
strm->msg == NULL ? "compressed data error" : strm->msg);
return -1;
}
} while (strm->avail_out && ret != Z_STREAM_END);
/* update available output and crc check value */
state->have = had - strm->avail_out;
state->next = strm->next_out - state->have;
strm->adler = crc32(strm->adler, state->next, state->have);
/* check gzip trailer if at end of deflate stream */
if (ret == Z_STREAM_END) {
if (gz_next4(state, &crc) == -1 || gz_next4(state, &len) == -1) {
gz_error(state, Z_DATA_ERROR, "unexpected end of file");
return -1;
}
if (crc != strm->adler) {
gz_error(state, Z_DATA_ERROR, "incorrect data check");
return -1;
}
if (len != (strm->total_out & 0xffffffffL)) {
gz_error(state, Z_DATA_ERROR, "incorrect length check");
return -1;
}
state->how = LOOK; /* ready for next stream, once have is 0 (leave
state->direct unchanged to remember how) */
}
/* good decompression */
return 0;
}
/* Make data and put in the output buffer. Assumes that state->have == 0.
Data is either copied from the input file or decompressed from the input
file depending on state->how. If state->how is LOOK, then a gzip header is
looked for (and skipped if found) to determine wither to copy or decompress.
Returns -1 on error, otherwise 0. gz_make() will leave state->have as COPY
or GZIP unless the end of the input file has been reached and all data has
been processed. */
local int gz_make(state)
gz_statep state;
{
z_streamp strm = &(state->strm);
if (state->how == LOOK) { /* look for gzip header */
if (gz_head(state) == -1)
return -1;
if (state->have) /* got some data from gz_head() */
return 0;
}
if (state->how == COPY) { /* straight copy */
if (gz_load(state, state->out, state->size << 1, &(state->have)) == -1)
return -1;
state->next = state->out;
}
else if (state->how == GZIP) { /* decompress */
strm->avail_out = state->size << 1;
strm->next_out = state->out;
if (gz_decomp(state) == -1)
return -1;
}
return 0;
}
/* Skip len uncompressed bytes of output. Return -1 on error, 0 on success. */
local int gz_skip(state, len)
gz_statep state;
z_off64_t len;
{
unsigned n;
/* skip over len bytes or reach end-of-file, whichever comes first */
while (len)
/* skip over whatever is in output buffer */
if (state->have) {
n = GT_OFF(state->have) || (z_off64_t)state->have > len ?
(unsigned)len : state->have;
state->have -= n;
state->next += n;
state->pos += n;
len -= n;
}
/* output buffer empty -- return if we're at the end of the input */
else if (state->eof && state->strm.avail_in == 0)
break;
/* need more data to skip -- load up output buffer */
else {
/* get more output, looking for header if required */
if (gz_make(state) == -1)
return -1;
}
return 0;
}
/* -- see zlib.h -- */
int ZEXPORT gzread(file, buf, len)
gzFile file;
voidp buf;
unsigned len;
{
unsigned got, n;
gz_statep state;
z_streamp strm;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
strm = &(state->strm);
/* check that we're reading and that there's no error */
if (state->mode != GZ_READ || state->err != Z_OK)
return -1;
/* since an int is returned, make sure len fits in one, otherwise return
with an error (this avoids the flaw in the interface) */
if ((int)len < 0) {
gz_error(state, Z_BUF_ERROR, "requested length does not fit in int");
return -1;
}
/* if len is zero, avoid unnecessary operations */
if (len == 0)
return 0;
/* process a skip request */
if (state->seek) {
state->seek = 0;
if (gz_skip(state, state->skip) == -1)
return -1;
}
/* get len bytes to buf, or less than len if at the end */
got = 0;
do {
/* first just try copying data from the output buffer */
if (state->have) {
n = state->have > len ? len : state->have;
memcpy(buf, state->next, n);
state->next += n;
state->have -= n;
}
/* output buffer empty -- return if we're at the end of the input */
else if (state->eof && strm->avail_in == 0)
break;
/* need output data -- for small len or new stream load up our output
buffer */
else if (state->how == LOOK || len < (state->size << 1)) {
/* get more output, looking for header if required */
if (gz_make(state) == -1)
return -1;
continue; /* no progress yet -- go back to memcpy() above */
/* the copy above assures that we will leave with space in the
output buffer, allowing at least one gzungetc() to succeed */
}
/* large len -- read directly into user buffer */
else if (state->how == COPY) { /* read directly */
if (gz_load(state, buf, len, &n) == -1)
return -1;
}
/* large len -- decompress directly into user buffer */
else { /* state->how == GZIP */
strm->avail_out = len;
strm->next_out = buf;
if (gz_decomp(state) == -1)
return -1;
n = state->have;
state->have = 0;
}
/* update progress */
len -= n;
buf = (char *)buf + n;
got += n;
state->pos += n;
} while (len);
/* return number of bytes read into user buffer (will fit in int) */
return (int)got;
}
/* -- see zlib.h -- */
int ZEXPORT gzgetc(file)
gzFile file;
{
int ret;
unsigned char buf[1];
gz_statep state;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
/* check that we're reading and that there's no error */
if (state->mode != GZ_READ || state->err != Z_OK)
return -1;
/* try output buffer (no need to check for skip request) */
if (state->have) {
state->have--;
state->pos++;
return *(state->next)++;
}
/* nothing there -- try gzread() */
ret = gzread(file, buf, 1);
return ret < 1 ? -1 : buf[0];
}
/* -- see zlib.h -- */
int ZEXPORT gzungetc(c, file)
int c;
gzFile file;
{
gz_statep state;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
/* check that we're reading and that there's no error */
if (state->mode != GZ_READ || state->err != Z_OK)
return -1;
/* process a skip request */
if (state->seek) {
state->seek = 0;
if (gz_skip(state, state->skip) == -1)
return -1;
}
/* can't push EOF */
if (c < 0)
return -1;
/* if output buffer empty, put byte at end (allows more pushing) */
if (state->have == 0) {
state->have = 1;
state->next = state->out + (state->size << 1) - 1;
state->next[0] = c;
state->pos--;
return c;
}
/* if no room, give up (must have already done a gzungetc()) */
if (state->have == (state->size << 1)) {
gz_error(state, Z_BUF_ERROR, "out of room to push characters");
return -1;
}
/* slide output data if needed and insert byte before existing data */
if (state->next == state->out) {
unsigned char *src = state->out + state->have;
unsigned char *dest = state->out + (state->size << 1);
while (src > state->out)
*--dest = *--src;
state->next = dest;
}
state->have++;
state->next--;
state->next[0] = c;
state->pos--;
return c;
}
/* -- see zlib.h -- */
char * ZEXPORT gzgets(file, buf, len)
gzFile file;
char *buf;
int len;
{
unsigned left, n;
char *str;
unsigned char *eol;
gz_statep state;
/* check parameters and get internal structure */
if (file == NULL || buf == NULL || len < 1)
return NULL;
state = (gz_statep)file;
/* check that we're reading and that there's no error */
if (state->mode != GZ_READ || state->err != Z_OK)
return NULL;
/* process a skip request */
if (state->seek) {
state->seek = 0;
if (gz_skip(state, state->skip) == -1)
return NULL;
}
/* copy output bytes up to new line or len - 1, whichever comes first --
append a terminating zero to the string (we don't check for a zero in
the contents, let the user worry about that) */
str = buf;
left = (unsigned)len - 1;
if (left) do {
/* assure that something is in the output buffer */
if (state->have == 0) {
if (gz_make(state) == -1)
return NULL; /* error */
if (state->have == 0) { /* end of file */
if (buf == str) /* got bupkus */
return NULL;
break; /* got something -- return it */
}
}
/* look for end-of-line in current output buffer */
n = state->have > left ? left : state->have;
eol = memchr(state->next, '\n', n);
if (eol != NULL)
n = (unsigned)(eol - state->next) + 1;
/* copy through end-of-line, or remainder if not found */
memcpy(buf, state->next, n);
state->have -= n;
state->next += n;
state->pos += n;
left -= n;
buf += n;
} while (left && eol == NULL);
/* found end-of-line or out of space -- terminate string and return it */
buf[0] = 0;
return str;
}
/* -- see zlib.h -- */
int ZEXPORT gzdirect(file)
gzFile file;
{
gz_statep state;
/* get internal structure */
if (file == NULL)
return 0;
state = (gz_statep)file;
/* check that we're reading */
if (state->mode != GZ_READ)
return 0;
/* if the state is not known, but we can find out, then do so (this is
mainly for right after a gzopen() or gzdopen()) */
if (state->how == LOOK && state->have == 0)
(void)gz_head(state);
/* return 1 if reading direct, 0 if decompressing a gzip stream */
return state->direct;
}
/* -- see zlib.h -- */
int ZEXPORT gzclose_r(file)
gzFile file;
{
int ret;
gz_statep state;
/* get internal structure */
if (file == NULL)
return Z_STREAM_ERROR;
state = (gz_statep)file;
/* check that we're reading */
if (state->mode != GZ_READ)
return Z_STREAM_ERROR;
/* free memory and close file */
if (state->size) {
inflateEnd(&(state->strm));
free(state->out);
free(state->in);
}
gz_error(state, Z_OK, NULL);
free(state->path);
ret = close(state->fd);
free(state);
return ret ? Z_ERRNO : Z_OK;
}

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/* gzwrite.c -- zlib functions for writing gzip files
* Copyright (C) 2004, 2005, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "gzguts.h"
/* Local functions */
local int gz_init OF((gz_statep));
local int gz_comp OF((gz_statep, int));
local int gz_zero OF((gz_statep, z_off64_t));
/* Initialize state for writing a gzip file. Mark initialization by setting
state->size to non-zero. Return -1 on failure or 0 on success. */
local int gz_init(state)
gz_statep state;
{
int ret;
z_streamp strm = &(state->strm);
/* allocate input and output buffers */
state->in = malloc(state->want);
state->out = malloc(state->want);
if (state->in == NULL || state->out == NULL) {
if (state->out != NULL)
free(state->out);
if (state->in != NULL)
free(state->in);
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
/* allocate deflate memory, set up for gzip compression */
strm->zalloc = Z_NULL;
strm->zfree = Z_NULL;
strm->opaque = Z_NULL;
ret = deflateInit2(strm, state->level, Z_DEFLATED,
15 + 16, 8, state->strategy);
if (ret != Z_OK) {
free(state->in);
gz_error(state, Z_MEM_ERROR, "out of memory");
return -1;
}
/* mark state as initialized */
state->size = state->want;
/* initialize write buffer */
strm->avail_out = state->size;
strm->next_out = state->out;
state->next = strm->next_out;
return 0;
}
/* Compress whatever is at avail_in and next_in and write to the output file.
Return -1 if there is an error writing to the output file, otherwise 0.
flush is assumed to be a valid deflate() flush value. If flush is Z_FINISH,
then the deflate() state is reset to start a new gzip stream. */
local int gz_comp(state, flush)
gz_statep state;
int flush;
{
int ret, got;
unsigned have;
z_streamp strm = &(state->strm);
/* allocate memory if this is the first time through */
if (state->size == 0 && gz_init(state) == -1)
return -1;
/* run deflate() on provided input until it produces no more output */
ret = Z_OK;
do {
/* write out current buffer contents if full, or if flushing, but if
doing Z_FINISH then don't write until we get to Z_STREAM_END */
if (strm->avail_out == 0 || (flush != Z_NO_FLUSH &&
(flush != Z_FINISH || ret == Z_STREAM_END))) {
have = (unsigned)(strm->next_out - state->next);
if (have && ((got = write(state->fd, state->next, have)) < 0 ||
(unsigned)got != have)) {
gz_error(state, Z_ERRNO, zstrerror());
return -1;
}
if (strm->avail_out == 0) {
strm->avail_out = state->size;
strm->next_out = state->out;
}
state->next = strm->next_out;
}
/* compress */
have = strm->avail_out;
ret = deflate(strm, flush);
if (ret == Z_STREAM_ERROR) {
gz_error(state, Z_STREAM_ERROR,
"internal error: deflate stream corrupt");
return -1;
}
have -= strm->avail_out;
} while (have);
/* if that completed a deflate stream, allow another to start */
if (flush == Z_FINISH)
deflateReset(strm);
/* all done, no errors */
return 0;
}
/* Compress len zeros to output. Return -1 on error, 0 on success. */
local int gz_zero(state, len)
gz_statep state;
z_off64_t len;
{
int first;
unsigned n;
z_streamp strm = &(state->strm);
/* consume whatever's left in the input buffer */
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
return -1;
/* compress len zeros (len guaranteed > 0) */
first = 1;
while (len) {
n = GT_OFF(state->size) || (z_off64_t)state->size > len ?
(unsigned)len : state->size;
if (first) {
memset(state->in, 0, n);
first = 0;
}
strm->avail_in = n;
strm->next_in = state->in;
state->pos += n;
if (gz_comp(state, Z_NO_FLUSH) == -1)
return -1;
len -= n;
}
return 0;
}
/* -- see zlib.h -- */
int ZEXPORT gzwrite(file, buf, len)
gzFile file;
voidpc buf;
unsigned len;
{
unsigned put = len;
unsigned n;
gz_statep state;
z_streamp strm;
/* get internal structure */
if (file == NULL)
return 0;
state = (gz_statep)file;
strm = &(state->strm);
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return 0;
/* since an int is returned, make sure len fits in one, otherwise return
with an error (this avoids the flaw in the interface) */
if ((int)len < 0) {
gz_error(state, Z_BUF_ERROR, "requested length does not fit in int");
return 0;
}
/* if len is zero, avoid unnecessary operations */
if (len == 0)
return 0;
/* allocate memory if this is the first time through */
if (state->size == 0 && gz_init(state) == -1)
return 0;
/* check for seek request */
if (state->seek) {
state->seek = 0;
if (gz_zero(state, state->skip) == -1)
return 0;
}
/* for small len, copy to input buffer, otherwise compress directly */
if (len < state->size) {
/* copy to input buffer, compress when full */
do {
if (strm->avail_in == 0)
strm->next_in = state->in;
n = state->size - strm->avail_in;
if (n > len)
n = len;
memcpy(strm->next_in + strm->avail_in, buf, n);
strm->avail_in += n;
state->pos += n;
buf = (char *)buf + n;
len -= n;
if (len && gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
} while (len);
}
else {
/* consume whatever's left in the input buffer */
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
/* directly compress user buffer to file */
strm->avail_in = len;
strm->next_in = (voidp)buf;
state->pos += len;
if (gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
}
/* input was all buffered or compressed (put will fit in int) */
return (int)put;
}
/* -- see zlib.h -- */
int ZEXPORT gzputc(file, c)
gzFile file;
int c;
{
unsigned char buf[1];
gz_statep state;
z_streamp strm;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
strm = &(state->strm);
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return -1;
/* check for seek request */
if (state->seek) {
state->seek = 0;
if (gz_zero(state, state->skip) == -1)
return -1;
}
/* try writing to input buffer for speed (state->size == 0 if buffer not
initialized) */
if (strm->avail_in < state->size) {
if (strm->avail_in == 0)
strm->next_in = state->in;
strm->next_in[strm->avail_in++] = c;
state->pos++;
return c;
}
/* no room in buffer or not initialized, use gz_write() */
buf[0] = c;
if (gzwrite(file, buf, 1) != 1)
return -1;
return c;
}
/* -- see zlib.h -- */
int ZEXPORT gzputs(file, str)
gzFile file;
const char *str;
{
int ret;
unsigned len;
/* write string */
len = (unsigned)strlen(str);
ret = gzwrite(file, str, len);
return ret == 0 && len != 0 ? -1 : ret;
}
#ifdef STDC
#include <stdarg.h>
/* -- see zlib.h -- */
int ZEXPORTVA gzprintf (gzFile file, const char *format, ...)
{
int size, len;
gz_statep state;
z_streamp strm;
va_list va;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
strm = &(state->strm);
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return 0;
/* make sure we have some buffer space */
if (state->size == 0 && gz_init(state) == -1)
return 0;
/* check for seek request */
if (state->seek) {
state->seek = 0;
if (gz_zero(state, state->skip) == -1)
return 0;
}
/* consume whatever's left in the input buffer */
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
/* do the printf() into the input buffer, put length in len */
size = (int)(state->size);
state->in[size - 1] = 0;
va_start(va, format);
#ifdef NO_vsnprintf
# ifdef HAS_vsprintf_void
(void)vsprintf(state->in, format, va);
va_end(va);
for (len = 0; len < size; len++)
if (state->in[len] == 0) break;
# else
len = vsprintf(state->in, format, va);
va_end(va);
# endif
#else
# ifdef HAS_vsnprintf_void
(void)vsnprintf(state->in, size, format, va);
va_end(va);
len = strlen(state->in);
# else
len = vsnprintf((char *)(state->in), size, format, va);
va_end(va);
# endif
#endif
/* check that printf() results fit in buffer */
if (len <= 0 || len >= (int)size || state->in[size - 1] != 0)
return 0;
/* update buffer and position, defer compression until needed */
strm->avail_in = (unsigned)len;
strm->next_in = state->in;
state->pos += len;
return len;
}
#else /* !STDC */
/* -- see zlib.h -- */
int ZEXPORTVA gzprintf (file, format, a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
a11, a12, a13, a14, a15, a16, a17, a18, a19, a20)
gzFile file;
const char *format;
int a1, a2, a3, a4, a5, a6, a7, a8, a9, a10,
a11, a12, a13, a14, a15, a16, a17, a18, a19, a20;
{
int size, len;
gz_statep state;
z_streamp strm;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
strm = &(state->strm);
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return 0;
/* make sure we have some buffer space */
if (state->size == 0 && gz_init(state) == -1)
return 0;
/* check for seek request */
if (state->seek) {
state->seek = 0;
if (gz_zero(state, state->skip) == -1)
return 0;
}
/* consume whatever's left in the input buffer */
if (strm->avail_in && gz_comp(state, Z_NO_FLUSH) == -1)
return 0;
/* do the printf() into the input buffer, put length in len */
size = (int)(state->size);
state->in[size - 1] = 0;
#ifdef NO_snprintf
# ifdef HAS_sprintf_void
sprintf(state->in, format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
for (len = 0; len < size; len++)
if (state->in[len] == 0) break;
# else
len = sprintf(state->in, format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
# endif
#else
# ifdef HAS_snprintf_void
snprintf(state->in, size, format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
len = strlen(state->in);
# else
len = snprintf(state->in, size, format, a1, a2, a3, a4, a5, a6, a7, a8,
a9, a10, a11, a12, a13, a14, a15, a16, a17, a18, a19, a20);
# endif
#endif
/* check that printf() results fit in buffer */
if (len <= 0 || len >= (int)size || state->in[size - 1] != 0)
return 0;
/* update buffer and position, defer compression until needed */
strm->avail_in = (unsigned)len;
strm->next_in = state->in;
state->pos += len;
return len;
}
#endif
/* -- see zlib.h -- */
int ZEXPORT gzflush(file, flush)
gzFile file;
int flush;
{
gz_statep state;
/* get internal structure */
if (file == NULL)
return -1;
state = (gz_statep)file;
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return Z_STREAM_ERROR;
/* check flush parameter */
if (flush < 0 || flush > Z_FINISH)
return Z_STREAM_ERROR;
/* check for seek request */
if (state->seek) {
state->seek = 0;
if (gz_zero(state, state->skip) == -1)
return -1;
}
/* compress remaining data with requested flush */
gz_comp(state, flush);
return state->err;
}
/* -- see zlib.h -- */
int ZEXPORT gzsetparams(file, level, strategy)
gzFile file;
int level;
int strategy;
{
gz_statep state;
z_streamp strm;
/* get internal structure */
if (file == NULL)
return Z_STREAM_ERROR;
state = (gz_statep)file;
strm = &(state->strm);
/* check that we're writing and that there's no error */
if (state->mode != GZ_WRITE || state->err != Z_OK)
return Z_STREAM_ERROR;
/* if no change is requested, then do nothing */
if (level == state->level && strategy == state->strategy)
return Z_OK;
/* check for seek request */
if (state->seek) {
state->seek = 0;
if (gz_zero(state, state->skip) == -1)
return -1;
}
/* change compression parameters for subsequent input */
if (state->size) {
/* flush previous input with previous parameters before changing */
if (strm->avail_in && gz_comp(state, Z_PARTIAL_FLUSH) == -1)
return state->err;
deflateParams(strm, level, strategy);
}
state->level = level;
state->strategy = strategy;
return Z_OK;
}
/* -- see zlib.h -- */
int ZEXPORT gzclose_w(file)
gzFile file;
{
int ret = 0;
gz_statep state;
/* get internal structure */
if (file == NULL)
return Z_STREAM_ERROR;
state = (gz_statep)file;
/* check that we're writing */
if (state->mode != GZ_WRITE)
return Z_STREAM_ERROR;
/* check for seek request */
if (state->seek) {
state->seek = 0;
ret += gz_zero(state, state->skip);
}
/* flush, free memory, and close file */
ret += gz_comp(state, Z_FINISH);
(void)deflateEnd(&(state->strm));
free(state->out);
free(state->in);
gz_error(state, Z_OK, NULL);
free(state->path);
ret += close(state->fd);
free(state);
return ret ? Z_ERRNO : Z_OK;
}

632
dependencies/libwebsockets/win32port/zlib/infback.c vendored Normal file
View File

@ -0,0 +1,632 @@
/* infback.c -- inflate using a call-back interface
* Copyright (C) 1995-2009 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/*
This code is largely copied from inflate.c. Normally either infback.o or
inflate.o would be linked into an application--not both. The interface
with inffast.c is retained so that optimized assembler-coded versions of
inflate_fast() can be used with either inflate.c or infback.c.
*/
#include "zutil.h"
#include "inftrees.h"
#include "inflate.h"
#include "inffast.h"
/* function prototypes */
local void fixedtables OF((struct inflate_state FAR *state));
/*
strm provides memory allocation functions in zalloc and zfree, or
Z_NULL to use the library memory allocation functions.
windowBits is in the range 8..15, and window is a user-supplied
window and output buffer that is 2**windowBits bytes.
*/
int ZEXPORT inflateBackInit_(strm, windowBits, window, version, stream_size)
z_streamp strm;
int windowBits;
unsigned char FAR *window;
const char *version;
int stream_size;
{
struct inflate_state FAR *state;
if (version == Z_NULL || version[0] != ZLIB_VERSION[0] ||
stream_size != (int)(sizeof(z_stream)))
return Z_VERSION_ERROR;
if (strm == Z_NULL || window == Z_NULL ||
windowBits < 8 || windowBits > 15)
return Z_STREAM_ERROR;
strm->msg = Z_NULL; /* in case we return an error */
if (strm->zalloc == (alloc_func)0) {
strm->zalloc = zcalloc;
strm->opaque = (voidpf)0;
}
if (strm->zfree == (free_func)0) strm->zfree = zcfree;
state = (struct inflate_state FAR *)ZALLOC(strm, 1,
sizeof(struct inflate_state));
if (state == Z_NULL) return Z_MEM_ERROR;
Tracev((stderr, "inflate: allocated\n"));
strm->state = (struct internal_state FAR *)state;
state->dmax = 32768U;
state->wbits = windowBits;
state->wsize = 1U << windowBits;
state->window = window;
state->wnext = 0;
state->whave = 0;
return Z_OK;
}
/*
Return state with length and distance decoding tables and index sizes set to
fixed code decoding. Normally this returns fixed tables from inffixed.h.
If BUILDFIXED is defined, then instead this routine builds the tables the
first time it's called, and returns those tables the first time and
thereafter. This reduces the size of the code by about 2K bytes, in
exchange for a little execution time. However, BUILDFIXED should not be
used for threaded applications, since the rewriting of the tables and virgin
may not be thread-safe.
*/
local void fixedtables(state)
struct inflate_state FAR *state;
{
#ifdef BUILDFIXED
static int virgin = 1;
static code *lenfix, *distfix;
static code fixed[544];
/* build fixed huffman tables if first call (may not be thread safe) */
if (virgin) {
unsigned sym, bits;
static code *next;
/* literal/length table */
sym = 0;
while (sym < 144) state->lens[sym++] = 8;
while (sym < 256) state->lens[sym++] = 9;
while (sym < 280) state->lens[sym++] = 7;
while (sym < 288) state->lens[sym++] = 8;
next = fixed;
lenfix = next;
bits = 9;
inflate_table(LENS, state->lens, 288, &(next), &(bits), state->work);
/* distance table */
sym = 0;
while (sym < 32) state->lens[sym++] = 5;
distfix = next;
bits = 5;
inflate_table(DISTS, state->lens, 32, &(next), &(bits), state->work);
/* do this just once */
virgin = 0;
}
#else /* !BUILDFIXED */
# include "inffixed.h"
#endif /* BUILDFIXED */
state->lencode = lenfix;
state->lenbits = 9;
state->distcode = distfix;
state->distbits = 5;
}
/* Macros for inflateBack(): */
/* Load returned state from inflate_fast() */
#define LOAD() \
do { \
put = strm->next_out; \
left = strm->avail_out; \
next = strm->next_in; \
have = strm->avail_in; \
hold = state->hold; \
bits = state->bits; \
} while (0)
/* Set state from registers for inflate_fast() */
#define RESTORE() \
do { \
strm->next_out = put; \
strm->avail_out = left; \
strm->next_in = next; \
strm->avail_in = have; \
state->hold = hold; \
state->bits = bits; \
} while (0)
/* Clear the input bit accumulator */
#define INITBITS() \
do { \
hold = 0; \
bits = 0; \
} while (0)
/* Assure that some input is available. If input is requested, but denied,
then return a Z_BUF_ERROR from inflateBack(). */
#define PULL() \
do { \
if (have == 0) { \
have = in(in_desc, &next); \
if (have == 0) { \
next = Z_NULL; \
ret = Z_BUF_ERROR; \
goto inf_leave; \
} \
} \
} while (0)
/* Get a byte of input into the bit accumulator, or return from inflateBack()
with an error if there is no input available. */
#define PULLBYTE() \
do { \
PULL(); \
have--; \
hold += (unsigned long)(*next++) << bits; \
bits += 8; \
} while (0)
/* Assure that there are at least n bits in the bit accumulator. If there is
not enough available input to do that, then return from inflateBack() with
an error. */
#define NEEDBITS(n) \
do { \
while (bits < (unsigned)(n)) \
PULLBYTE(); \
} while (0)
/* Return the low n bits of the bit accumulator (n < 16) */
#define BITS(n) \
((unsigned)hold & ((1U << (n)) - 1))
/* Remove n bits from the bit accumulator */
#define DROPBITS(n) \
do { \
hold >>= (n); \
bits -= (unsigned)(n); \
} while (0)
/* Remove zero to seven bits as needed to go to a byte boundary */
#define BYTEBITS() \
do { \
hold >>= bits & 7; \
bits -= bits & 7; \
} while (0)
/* Assure that some output space is available, by writing out the window
if it's full. If the write fails, return from inflateBack() with a
Z_BUF_ERROR. */
#define ROOM() \
do { \
if (left == 0) { \
put = state->window; \
left = state->wsize; \
state->whave = left; \
if (out(out_desc, put, left)) { \
ret = Z_BUF_ERROR; \
goto inf_leave; \
} \
} \
} while (0)
/*
strm provides the memory allocation functions and window buffer on input,
and provides information on the unused input on return. For Z_DATA_ERROR
returns, strm will also provide an error message.
in() and out() are the call-back input and output functions. When
inflateBack() needs more input, it calls in(). When inflateBack() has
filled the window with output, or when it completes with data in the
window, it calls out() to write out the data. The application must not
change the provided input until in() is called again or inflateBack()
returns. The application must not change the window/output buffer until
inflateBack() returns.
in() and out() are called with a descriptor parameter provided in the
inflateBack() call. This parameter can be a structure that provides the
information required to do the read or write, as well as accumulated
information on the input and output such as totals and check values.
in() should return zero on failure. out() should return non-zero on
failure. If either in() or out() fails, than inflateBack() returns a
Z_BUF_ERROR. strm->next_in can be checked for Z_NULL to see whether it
was in() or out() that caused in the error. Otherwise, inflateBack()
returns Z_STREAM_END on success, Z_DATA_ERROR for an deflate format
error, or Z_MEM_ERROR if it could not allocate memory for the state.
inflateBack() can also return Z_STREAM_ERROR if the input parameters
are not correct, i.e. strm is Z_NULL or the state was not initialized.
*/
int ZEXPORT inflateBack(strm, in, in_desc, out, out_desc)
z_streamp strm;
in_func in;
void FAR *in_desc;
out_func out;
void FAR *out_desc;
{
struct inflate_state FAR *state;
unsigned char FAR *next; /* next input */
unsigned char FAR *put; /* next output */
unsigned have, left; /* available input and output */
unsigned long hold; /* bit buffer */
unsigned bits; /* bits in bit buffer */
unsigned copy; /* number of stored or match bytes to copy */
unsigned char FAR *from; /* where to copy match bytes from */
code here; /* current decoding table entry */
code last; /* parent table entry */
unsigned len; /* length to copy for repeats, bits to drop */
int ret; /* return code */
static const unsigned short order[19] = /* permutation of code lengths */
{16, 17, 18, 0, 8, 7, 9, 6, 10, 5, 11, 4, 12, 3, 13, 2, 14, 1, 15};
/* Check that the strm exists and that the state was initialized */
if (strm == Z_NULL || strm->state == Z_NULL)
return Z_STREAM_ERROR;
state = (struct inflate_state FAR *)strm->state;
/* Reset the state */
strm->msg = Z_NULL;
state->mode = TYPE;
state->last = 0;
state->whave = 0;
next = strm->next_in;
have = next != Z_NULL ? strm->avail_in : 0;
hold = 0;
bits = 0;
put = state->window;
left = state->wsize;
/* Inflate until end of block marked as last */
for (;;)
switch (state->mode) {
case TYPE:
/* determine and dispatch block type */
if (state->last) {
BYTEBITS();
state->mode = DONE;
break;
}
NEEDBITS(3);
state->last = BITS(1);
DROPBITS(1);
switch (BITS(2)) {
case 0: /* stored block */
Tracev((stderr, "inflate: stored block%s\n",
state->last ? " (last)" : ""));
state->mode = STORED;
break;
case 1: /* fixed block */
fixedtables(state);
Tracev((stderr, "inflate: fixed codes block%s\n",
state->last ? " (last)" : ""));
state->mode = LEN; /* decode codes */
break;
case 2: /* dynamic block */
Tracev((stderr, "inflate: dynamic codes block%s\n",
state->last ? " (last)" : ""));
state->mode = TABLE;
break;
case 3:
strm->msg = (char *)"invalid block type";
state->mode = BAD;
}
DROPBITS(2);
break;
case STORED:
/* get and verify stored block length */
BYTEBITS(); /* go to byte boundary */
NEEDBITS(32);
if ((hold & 0xffff) != ((hold >> 16) ^ 0xffff)) {
strm->msg = (char *)"invalid stored block lengths";
state->mode = BAD;
break;
}
state->length = (unsigned)hold & 0xffff;
Tracev((stderr, "inflate: stored length %u\n",
state->length));
INITBITS();
/* copy stored block from input to output */
while (state->length != 0) {
copy = state->length;
PULL();
ROOM();
if (copy > have) copy = have;
if (copy > left) copy = left;
zmemcpy(put, next, copy);
have -= copy;
next += copy;
left -= copy;
put += copy;
state->length -= copy;
}
Tracev((stderr, "inflate: stored end\n"));
state->mode = TYPE;
break;
case TABLE:
/* get dynamic table entries descriptor */
NEEDBITS(14);
state->nlen = BITS(5) + 257;
DROPBITS(5);
state->ndist = BITS(5) + 1;
DROPBITS(5);
state->ncode = BITS(4) + 4;
DROPBITS(4);
#ifndef PKZIP_BUG_WORKAROUND
if (state->nlen > 286 || state->ndist > 30) {
strm->msg = (char *)"too many length or distance symbols";
state->mode = BAD;
break;
}
#endif
Tracev((stderr, "inflate: table sizes ok\n"));
/* get code length code lengths (not a typo) */
state->have = 0;
while (state->have < state->ncode) {
NEEDBITS(3);
state->lens[order[state->have++]] = (unsigned short)BITS(3);
DROPBITS(3);
}
while (state->have < 19)
state->lens[order[state->have++]] = 0;
state->next = state->codes;
state->lencode = (code const FAR *)(state->next);
state->lenbits = 7;
ret = inflate_table(CODES, state->lens, 19, &(state->next),
&(state->lenbits), state->work);
if (ret) {
strm->msg = (char *)"invalid code lengths set";
state->mode = BAD;
break;
}
Tracev((stderr, "inflate: code lengths ok\n"));
/* get length and distance code code lengths */
state->have = 0;
while (state->have < state->nlen + state->ndist) {
for (;;) {
here = state->lencode[BITS(state->lenbits)];
if ((unsigned)(here.bits) <= bits) break;
PULLBYTE();
}
if (here.val < 16) {
NEEDBITS(here.bits);
DROPBITS(here.bits);
state->lens[state->have++] = here.val;
}
else {
if (here.val == 16) {
NEEDBITS(here.bits + 2);
DROPBITS(here.bits);
if (state->have == 0) {
strm->msg = (char *)"invalid bit length repeat";
state->mode = BAD;
break;
}
len = (unsigned)(state->lens[state->have - 1]);
copy = 3 + BITS(2);
DROPBITS(2);
}
else if (here.val == 17) {
NEEDBITS(here.bits + 3);
DROPBITS(here.bits);
len = 0;
copy = 3 + BITS(3);
DROPBITS(3);
}
else {
NEEDBITS(here.bits + 7);
DROPBITS(here.bits);
len = 0;
copy = 11 + BITS(7);
DROPBITS(7);
}
if (state->have + copy > state->nlen + state->ndist) {
strm->msg = (char *)"invalid bit length repeat";
state->mode = BAD;
break;
}
while (copy--)
state->lens[state->have++] = (unsigned short)len;
}
}
/* handle error breaks in while */
if (state->mode == BAD) break;
/* check for end-of-block code (better have one) */
if (state->lens[256] == 0) {
strm->msg = (char *)"invalid code -- missing end-of-block";
state->mode = BAD;
break;
}
/* build code tables -- note: do not change the lenbits or distbits
values here (9 and 6) without reading the comments in inftrees.h
concerning the ENOUGH constants, which depend on those values */
state->next = state->codes;
state->lencode = (code const FAR *)(state->next);
state->lenbits = 9;
ret = inflate_table(LENS, state->lens, state->nlen, &(state->next),
&(state->lenbits), state->work);
if (ret) {
strm->msg = (char *)"invalid literal/lengths set";
state->mode = BAD;
break;
}
state->distcode = (code const FAR *)(state->next);
state->distbits = 6;
ret = inflate_table(DISTS, state->lens + state->nlen, state->ndist,
&(state->next), &(state->distbits), state->work);
if (ret) {
strm->msg = (char *)"invalid distances set";
state->mode = BAD;
break;
}
Tracev((stderr, "inflate: codes ok\n"));
state->mode = LEN;
case LEN:
/* use inflate_fast() if we have enough input and output */
if (have >= 6 && left >= 258) {
RESTORE();
if (state->whave < state->wsize)
state->whave = state->wsize - left;
inflate_fast(strm, state->wsize);
LOAD();
break;
}
/* get a literal, length, or end-of-block code */
for (;;) {
here = state->lencode[BITS(state->lenbits)];
if ((unsigned)(here.bits) <= bits) break;
PULLBYTE();
}
if (here.op && (here.op & 0xf0) == 0) {
last = here;
for (;;) {
here = state->lencode[last.val +
(BITS(last.bits + last.op) >> last.bits)];
if ((unsigned)(last.bits + here.bits) <= bits) break;
PULLBYTE();
}
DROPBITS(last.bits);
}
DROPBITS(here.bits);
state->length = (unsigned)here.val;
/* process literal */
if (here.op == 0) {
Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ?
"inflate: literal '%c'\n" :
"inflate: literal 0x%02x\n", here.val));
ROOM();
*put++ = (unsigned char)(state->length);
left--;
state->mode = LEN;
break;
}
/* process end of block */
if (here.op & 32) {
Tracevv((stderr, "inflate: end of block\n"));
state->mode = TYPE;
break;
}
/* invalid code */
if (here.op & 64) {
strm->msg = (char *)"invalid literal/length code";
state->mode = BAD;
break;
}
/* length code -- get extra bits, if any */
state->extra = (unsigned)(here.op) & 15;
if (state->extra != 0) {
NEEDBITS(state->extra);
state->length += BITS(state->extra);
DROPBITS(state->extra);
}
Tracevv((stderr, "inflate: length %u\n", state->length));
/* get distance code */
for (;;) {
here = state->distcode[BITS(state->distbits)];
if ((unsigned)(here.bits) <= bits) break;
PULLBYTE();
}
if ((here.op & 0xf0) == 0) {
last = here;
for (;;) {
here = state->distcode[last.val +
(BITS(last.bits + last.op) >> last.bits)];
if ((unsigned)(last.bits + here.bits) <= bits) break;
PULLBYTE();
}
DROPBITS(last.bits);
}
DROPBITS(here.bits);
if (here.op & 64) {
strm->msg = (char *)"invalid distance code";
state->mode = BAD;
break;
}
state->offset = (unsigned)here.val;
/* get distance extra bits, if any */
state->extra = (unsigned)(here.op) & 15;
if (state->extra != 0) {
NEEDBITS(state->extra);
state->offset += BITS(state->extra);
DROPBITS(state->extra);
}
if (state->offset > state->wsize - (state->whave < state->wsize ?
left : 0)) {
strm->msg = (char *)"invalid distance too far back";
state->mode = BAD;
break;
}
Tracevv((stderr, "inflate: distance %u\n", state->offset));
/* copy match from window to output */
do {
ROOM();
copy = state->wsize - state->offset;
if (copy < left) {
from = put + copy;
copy = left - copy;
}
else {
from = put - state->offset;
copy = left;
}
if (copy > state->length) copy = state->length;
state->length -= copy;
left -= copy;
do {
*put++ = *from++;
} while (--copy);
} while (state->length != 0);
break;
case DONE:
/* inflate stream terminated properly -- write leftover output */
ret = Z_STREAM_END;
if (left < state->wsize) {
if (out(out_desc, state->window, state->wsize - left))
ret = Z_BUF_ERROR;
}
goto inf_leave;
case BAD:
ret = Z_DATA_ERROR;
goto inf_leave;
default: /* can't happen, but makes compilers happy */
ret = Z_STREAM_ERROR;
goto inf_leave;
}
/* Return unused input */
inf_leave:
strm->next_in = next;
strm->avail_in = have;
return ret;
}
int ZEXPORT inflateBackEnd(strm)
z_streamp strm;
{
if (strm == Z_NULL || strm->state == Z_NULL || strm->zfree == (free_func)0)
return Z_STREAM_ERROR;
ZFREE(strm, strm->state);
strm->state = Z_NULL;
Tracev((stderr, "inflate: end\n"));
return Z_OK;
}

340
dependencies/libwebsockets/win32port/zlib/inffast.c vendored Normal file
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/* inffast.c -- fast decoding
* Copyright (C) 1995-2008, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#include "inflate.h"
#include "inffast.h"
#ifndef ASMINF
/* Allow machine dependent optimization for post-increment or pre-increment.
Based on testing to date,
Pre-increment preferred for:
- PowerPC G3 (Adler)
- MIPS R5000 (Randers-Pehrson)
Post-increment preferred for:
- none
No measurable difference:
- Pentium III (Anderson)
- M68060 (Nikl)
*/
#ifdef POSTINC
# define OFF 0
# define PUP(a) *(a)++
#else
# define OFF 1
# define PUP(a) *++(a)
#endif
/*
Decode literal, length, and distance codes and write out the resulting
literal and match bytes until either not enough input or output is
available, an end-of-block is encountered, or a data error is encountered.
When large enough input and output buffers are supplied to inflate(), for
example, a 16K input buffer and a 64K output buffer, more than 95% of the
inflate execution time is spent in this routine.
Entry assumptions:
state->mode == LEN
strm->avail_in >= 6
strm->avail_out >= 258
start >= strm->avail_out
state->bits < 8
On return, state->mode is one of:
LEN -- ran out of enough output space or enough available input
TYPE -- reached end of block code, inflate() to interpret next block
BAD -- error in block data
Notes:
- The maximum input bits used by a length/distance pair is 15 bits for the
length code, 5 bits for the length extra, 15 bits for the distance code,
and 13 bits for the distance extra. This totals 48 bits, or six bytes.
Therefore if strm->avail_in >= 6, then there is enough input to avoid
checking for available input while decoding.
- The maximum bytes that a single length/distance pair can output is 258
bytes, which is the maximum length that can be coded. inflate_fast()
requires strm->avail_out >= 258 for each loop to avoid checking for
output space.
*/
void ZLIB_INTERNAL inflate_fast(strm, start)
z_streamp strm;
unsigned start; /* inflate()'s starting value for strm->avail_out */
{
struct inflate_state FAR *state;
unsigned char FAR *in; /* local strm->next_in */
unsigned char FAR *last; /* while in < last, enough input available */
unsigned char FAR *out; /* local strm->next_out */
unsigned char FAR *beg; /* inflate()'s initial strm->next_out */
unsigned char FAR *end; /* while out < end, enough space available */
#ifdef INFLATE_STRICT
unsigned dmax; /* maximum distance from zlib header */
#endif
unsigned wsize; /* window size or zero if not using window */
unsigned whave; /* valid bytes in the window */
unsigned wnext; /* window write index */
unsigned char FAR *window; /* allocated sliding window, if wsize != 0 */
unsigned long hold; /* local strm->hold */
unsigned bits; /* local strm->bits */
code const FAR *lcode; /* local strm->lencode */
code const FAR *dcode; /* local strm->distcode */
unsigned lmask; /* mask for first level of length codes */
unsigned dmask; /* mask for first level of distance codes */
code here; /* retrieved table entry */
unsigned op; /* code bits, operation, extra bits, or */
/* window position, window bytes to copy */
unsigned len; /* match length, unused bytes */
unsigned dist; /* match distance */
unsigned char FAR *from; /* where to copy match from */
/* copy state to local variables */
state = (struct inflate_state FAR *)strm->state;
in = strm->next_in - OFF;
last = in + (strm->avail_in - 5);
out = strm->next_out - OFF;
beg = out - (start - strm->avail_out);
end = out + (strm->avail_out - 257);
#ifdef INFLATE_STRICT
dmax = state->dmax;
#endif
wsize = state->wsize;
whave = state->whave;
wnext = state->wnext;
window = state->window;
hold = state->hold;
bits = state->bits;
lcode = state->lencode;
dcode = state->distcode;
lmask = (1U << state->lenbits) - 1;
dmask = (1U << state->distbits) - 1;
/* decode literals and length/distances until end-of-block or not enough
input data or output space */
do {
if (bits < 15) {
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
}
here = lcode[hold & lmask];
dolen:
op = (unsigned)(here.bits);
hold >>= op;
bits -= op;
op = (unsigned)(here.op);
if (op == 0) { /* literal */
Tracevv((stderr, here.val >= 0x20 && here.val < 0x7f ?
"inflate: literal '%c'\n" :
"inflate: literal 0x%02x\n", here.val));
PUP(out) = (unsigned char)(here.val);
}
else if (op & 16) { /* length base */
len = (unsigned)(here.val);
op &= 15; /* number of extra bits */
if (op) {
if (bits < op) {
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
}
len += (unsigned)hold & ((1U << op) - 1);
hold >>= op;
bits -= op;
}
Tracevv((stderr, "inflate: length %u\n", len));
if (bits < 15) {
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
}
here = dcode[hold & dmask];
dodist:
op = (unsigned)(here.bits);
hold >>= op;
bits -= op;
op = (unsigned)(here.op);
if (op & 16) { /* distance base */
dist = (unsigned)(here.val);
op &= 15; /* number of extra bits */
if (bits < op) {
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
if (bits < op) {
hold += (unsigned long)(PUP(in)) << bits;
bits += 8;
}
}
dist += (unsigned)hold & ((1U << op) - 1);
#ifdef INFLATE_STRICT
if (dist > dmax) {
strm->msg = (char *)"invalid distance too far back";
state->mode = BAD;
break;
}
#endif
hold >>= op;
bits -= op;
Tracevv((stderr, "inflate: distance %u\n", dist));
op = (unsigned)(out - beg); /* max distance in output */
if (dist > op) { /* see if copy from window */
op = dist - op; /* distance back in window */
if (op > whave) {
if (state->sane) {
strm->msg =
(char *)"invalid distance too far back";
state->mode = BAD;
break;
}
#ifdef INFLATE_ALLOW_INVALID_DISTANCE_TOOFAR_ARRR
if (len <= op - whave) {
do {
PUP(out) = 0;
} while (--len);
continue;
}
len -= op - whave;
do {
PUP(out) = 0;
} while (--op > whave);
if (op == 0) {
from = out - dist;
do {
PUP(out) = PUP(from);
} while (--len);
continue;
}
#endif
}
from = window - OFF;
if (wnext == 0) { /* very common case */
from += wsize - op;
if (op < len) { /* some from window */
len -= op;
do {
PUP(out) = PUP(from);
} while (--op);
from = out - dist; /* rest from output */
}
}
else if (wnext < op) { /* wrap around window */
from += wsize + wnext - op;
op -= wnext;
if (op < len) { /* some from end of window */
len -= op;
do {
PUP(out) = PUP(from);
} while (--op);
from = window - OFF;
if (wnext < len) { /* some from start of window */
op = wnext;
len -= op;
do {
PUP(out) = PUP(from);
} while (--op);
from = out - dist; /* rest from output */
}
}
}
else { /* contiguous in window */
from += wnext - op;
if (op < len) { /* some from window */
len -= op;
do {
PUP(out) = PUP(from);
} while (--op);
from = out - dist; /* rest from output */
}
}
while (len > 2) {
PUP(out) = PUP(from);
PUP(out) = PUP(from);
PUP(out) = PUP(from);
len -= 3;
}
if (len) {
PUP(out) = PUP(from);
if (len > 1)
PUP(out) = PUP(from);
}
}
else {
from = out - dist; /* copy direct from output */
do { /* minimum length is three */
PUP(out) = PUP(from);
PUP(out) = PUP(from);
PUP(out) = PUP(from);
len -= 3;
} while (len > 2);
if (len) {
PUP(out) = PUP(from);
if (len > 1)
PUP(out) = PUP(from);
}
}
}
else if ((op & 64) == 0) { /* 2nd level distance code */
here = dcode[here.val + (hold & ((1U << op) - 1))];
goto dodist;
}
else {
strm->msg = (char *)"invalid distance code";
state->mode = BAD;
break;
}
}
else if ((op & 64) == 0) { /* 2nd level length code */
here = lcode[here.val + (hold & ((1U << op) - 1))];
goto dolen;
}
else if (op & 32) { /* end-of-block */
Tracevv((stderr, "inflate: end of block\n"));
state->mode = TYPE;
break;
}
else {
strm->msg = (char *)"invalid literal/length code";
state->mode = BAD;
break;
}
} while (in < last && out < end);
/* return unused bytes (on entry, bits < 8, so in won't go too far back) */
len = bits >> 3;
in -= len;
bits -= len << 3;
hold &= (1U << bits) - 1;
/* update state and return */
strm->next_in = in + OFF;
strm->next_out = out + OFF;
strm->avail_in = (unsigned)(in < last ? 5 + (last - in) : 5 - (in - last));
strm->avail_out = (unsigned)(out < end ?
257 + (end - out) : 257 - (out - end));
state->hold = hold;
state->bits = bits;
return;
}
/*
inflate_fast() speedups that turned out slower (on a PowerPC G3 750CXe):
- Using bit fields for code structure
- Different op definition to avoid & for extra bits (do & for table bits)
- Three separate decoding do-loops for direct, window, and wnext == 0
- Special case for distance > 1 copies to do overlapped load and store copy
- Explicit branch predictions (based on measured branch probabilities)
- Deferring match copy and interspersed it with decoding subsequent codes
- Swapping literal/length else
- Swapping window/direct else
- Larger unrolled copy loops (three is about right)
- Moving len -= 3 statement into middle of loop
*/
#endif /* !ASMINF */

11
dependencies/libwebsockets/win32port/zlib/inffast.h vendored Normal file
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@ -0,0 +1,11 @@
/* inffast.h -- header to use inffast.c
* Copyright (C) 1995-2003, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
void ZLIB_INTERNAL inflate_fast OF((z_streamp strm, unsigned start));

94
dependencies/libwebsockets/win32port/zlib/inffixed.h vendored Normal file
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@ -0,0 +1,94 @@
/* inffixed.h -- table for decoding fixed codes
* Generated automatically by makefixed().
*/
/* WARNING: this file should *not* be used by applications. It
is part of the implementation of the compression library and
is subject to change. Applications should only use zlib.h.
*/
static const code lenfix[512] = {
{96,7,0},{0,8,80},{0,8,16},{20,8,115},{18,7,31},{0,8,112},{0,8,48},
{0,9,192},{16,7,10},{0,8,96},{0,8,32},{0,9,160},{0,8,0},{0,8,128},
{0,8,64},{0,9,224},{16,7,6},{0,8,88},{0,8,24},{0,9,144},{19,7,59},
{0,8,120},{0,8,56},{0,9,208},{17,7,17},{0,8,104},{0,8,40},{0,9,176},
{0,8,8},{0,8,136},{0,8,72},{0,9,240},{16,7,4},{0,8,84},{0,8,20},
{21,8,227},{19,7,43},{0,8,116},{0,8,52},{0,9,200},{17,7,13},{0,8,100},
{0,8,36},{0,9,168},{0,8,4},{0,8,132},{0,8,68},{0,9,232},{16,7,8},
{0,8,92},{0,8,28},{0,9,152},{20,7,83},{0,8,124},{0,8,60},{0,9,216},
{18,7,23},{0,8,108},{0,8,44},{0,9,184},{0,8,12},{0,8,140},{0,8,76},
{0,9,248},{16,7,3},{0,8,82},{0,8,18},{21,8,163},{19,7,35},{0,8,114},
{0,8,50},{0,9,196},{17,7,11},{0,8,98},{0,8,34},{0,9,164},{0,8,2},
{0,8,130},{0,8,66},{0,9,228},{16,7,7},{0,8,90},{0,8,26},{0,9,148},
{20,7,67},{0,8,122},{0,8,58},{0,9,212},{18,7,19},{0,8,106},{0,8,42},
{0,9,180},{0,8,10},{0,8,138},{0,8,74},{0,9,244},{16,7,5},{0,8,86},
{0,8,22},{64,8,0},{19,7,51},{0,8,118},{0,8,54},{0,9,204},{17,7,15},
{0,8,102},{0,8,38},{0,9,172},{0,8,6},{0,8,134},{0,8,70},{0,9,236},
{16,7,9},{0,8,94},{0,8,30},{0,9,156},{20,7,99},{0,8,126},{0,8,62},
{0,9,220},{18,7,27},{0,8,110},{0,8,46},{0,9,188},{0,8,14},{0,8,142},
{0,8,78},{0,9,252},{96,7,0},{0,8,81},{0,8,17},{21,8,131},{18,7,31},
{0,8,113},{0,8,49},{0,9,194},{16,7,10},{0,8,97},{0,8,33},{0,9,162},
{0,8,1},{0,8,129},{0,8,65},{0,9,226},{16,7,6},{0,8,89},{0,8,25},
{0,9,146},{19,7,59},{0,8,121},{0,8,57},{0,9,210},{17,7,17},{0,8,105},
{0,8,41},{0,9,178},{0,8,9},{0,8,137},{0,8,73},{0,9,242},{16,7,4},
{0,8,85},{0,8,21},{16,8,258},{19,7,43},{0,8,117},{0,8,53},{0,9,202},
{17,7,13},{0,8,101},{0,8,37},{0,9,170},{0,8,5},{0,8,133},{0,8,69},
{0,9,234},{16,7,8},{0,8,93},{0,8,29},{0,9,154},{20,7,83},{0,8,125},
{0,8,61},{0,9,218},{18,7,23},{0,8,109},{0,8,45},{0,9,186},{0,8,13},
{0,8,141},{0,8,77},{0,9,250},{16,7,3},{0,8,83},{0,8,19},{21,8,195},
{19,7,35},{0,8,115},{0,8,51},{0,9,198},{17,7,11},{0,8,99},{0,8,35},
{0,9,166},{0,8,3},{0,8,131},{0,8,67},{0,9,230},{16,7,7},{0,8,91},
{0,8,27},{0,9,150},{20,7,67},{0,8,123},{0,8,59},{0,9,214},{18,7,19},
{0,8,107},{0,8,43},{0,9,182},{0,8,11},{0,8,139},{0,8,75},{0,9,246},
{16,7,5},{0,8,87},{0,8,23},{64,8,0},{19,7,51},{0,8,119},{0,8,55},
{0,9,206},{17,7,15},{0,8,103},{0,8,39},{0,9,174},{0,8,7},{0,8,135},
{0,8,71},{0,9,238},{16,7,9},{0,8,95},{0,8,31},{0,9,158},{20,7,99},
{0,8,127},{0,8,63},{0,9,222},{18,7,27},{0,8,111},{0,8,47},{0,9,190},
{0,8,15},{0,8,143},{0,8,79},{0,9,254},{96,7,0},{0,8,80},{0,8,16},
{20,8,115},{18,7,31},{0,8,112},{0,8,48},{0,9,193},{16,7,10},{0,8,96},
{0,8,32},{0,9,161},{0,8,0},{0,8,128},{0,8,64},{0,9,225},{16,7,6},
{0,8,88},{0,8,24},{0,9,145},{19,7,59},{0,8,120},{0,8,56},{0,9,209},
{17,7,17},{0,8,104},{0,8,40},{0,9,177},{0,8,8},{0,8,136},{0,8,72},
{0,9,241},{16,7,4},{0,8,84},{0,8,20},{21,8,227},{19,7,43},{0,8,116},
{0,8,52},{0,9,201},{17,7,13},{0,8,100},{0,8,36},{0,9,169},{0,8,4},
{0,8,132},{0,8,68},{0,9,233},{16,7,8},{0,8,92},{0,8,28},{0,9,153},
{20,7,83},{0,8,124},{0,8,60},{0,9,217},{18,7,23},{0,8,108},{0,8,44},
{0,9,185},{0,8,12},{0,8,140},{0,8,76},{0,9,249},{16,7,3},{0,8,82},
{0,8,18},{21,8,163},{19,7,35},{0,8,114},{0,8,50},{0,9,197},{17,7,11},
{0,8,98},{0,8,34},{0,9,165},{0,8,2},{0,8,130},{0,8,66},{0,9,229},
{16,7,7},{0,8,90},{0,8,26},{0,9,149},{20,7,67},{0,8,122},{0,8,58},
{0,9,213},{18,7,19},{0,8,106},{0,8,42},{0,9,181},{0,8,10},{0,8,138},
{0,8,74},{0,9,245},{16,7,5},{0,8,86},{0,8,22},{64,8,0},{19,7,51},
{0,8,118},{0,8,54},{0,9,205},{17,7,15},{0,8,102},{0,8,38},{0,9,173},
{0,8,6},{0,8,134},{0,8,70},{0,9,237},{16,7,9},{0,8,94},{0,8,30},
{0,9,157},{20,7,99},{0,8,126},{0,8,62},{0,9,221},{18,7,27},{0,8,110},
{0,8,46},{0,9,189},{0,8,14},{0,8,142},{0,8,78},{0,9,253},{96,7,0},
{0,8,81},{0,8,17},{21,8,131},{18,7,31},{0,8,113},{0,8,49},{0,9,195},
{16,7,10},{0,8,97},{0,8,33},{0,9,163},{0,8,1},{0,8,129},{0,8,65},
{0,9,227},{16,7,6},{0,8,89},{0,8,25},{0,9,147},{19,7,59},{0,8,121},
{0,8,57},{0,9,211},{17,7,17},{0,8,105},{0,8,41},{0,9,179},{0,8,9},
{0,8,137},{0,8,73},{0,9,243},{16,7,4},{0,8,85},{0,8,21},{16,8,258},
{19,7,43},{0,8,117},{0,8,53},{0,9,203},{17,7,13},{0,8,101},{0,8,37},
{0,9,171},{0,8,5},{0,8,133},{0,8,69},{0,9,235},{16,7,8},{0,8,93},
{0,8,29},{0,9,155},{20,7,83},{0,8,125},{0,8,61},{0,9,219},{18,7,23},
{0,8,109},{0,8,45},{0,9,187},{0,8,13},{0,8,141},{0,8,77},{0,9,251},
{16,7,3},{0,8,83},{0,8,19},{21,8,195},{19,7,35},{0,8,115},{0,8,51},
{0,9,199},{17,7,11},{0,8,99},{0,8,35},{0,9,167},{0,8,3},{0,8,131},
{0,8,67},{0,9,231},{16,7,7},{0,8,91},{0,8,27},{0,9,151},{20,7,67},
{0,8,123},{0,8,59},{0,9,215},{18,7,19},{0,8,107},{0,8,43},{0,9,183},
{0,8,11},{0,8,139},{0,8,75},{0,9,247},{16,7,5},{0,8,87},{0,8,23},
{64,8,0},{19,7,51},{0,8,119},{0,8,55},{0,9,207},{17,7,15},{0,8,103},
{0,8,39},{0,9,175},{0,8,7},{0,8,135},{0,8,71},{0,9,239},{16,7,9},
{0,8,95},{0,8,31},{0,9,159},{20,7,99},{0,8,127},{0,8,63},{0,9,223},
{18,7,27},{0,8,111},{0,8,47},{0,9,191},{0,8,15},{0,8,143},{0,8,79},
{0,9,255}
};
static const code distfix[32] = {
{16,5,1},{23,5,257},{19,5,17},{27,5,4097},{17,5,5},{25,5,1025},
{21,5,65},{29,5,16385},{16,5,3},{24,5,513},{20,5,33},{28,5,8193},
{18,5,9},{26,5,2049},{22,5,129},{64,5,0},{16,5,2},{23,5,385},
{19,5,25},{27,5,6145},{17,5,7},{25,5,1537},{21,5,97},{29,5,24577},
{16,5,4},{24,5,769},{20,5,49},{28,5,12289},{18,5,13},{26,5,3073},
{22,5,193},{64,5,0}
};

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/* inflate.h -- internal inflate state definition
* Copyright (C) 1995-2009 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* define NO_GZIP when compiling if you want to disable gzip header and
trailer decoding by inflate(). NO_GZIP would be used to avoid linking in
the crc code when it is not needed. For shared libraries, gzip decoding
should be left enabled. */
#ifndef NO_GZIP
# define GUNZIP
#endif
/* Possible inflate modes between inflate() calls */
typedef enum {
HEAD, /* i: waiting for magic header */
FLAGS, /* i: waiting for method and flags (gzip) */
TIME, /* i: waiting for modification time (gzip) */
OS, /* i: waiting for extra flags and operating system (gzip) */
EXLEN, /* i: waiting for extra length (gzip) */
EXTRA, /* i: waiting for extra bytes (gzip) */
NAME, /* i: waiting for end of file name (gzip) */
COMMENT, /* i: waiting for end of comment (gzip) */
HCRC, /* i: waiting for header crc (gzip) */
DICTID, /* i: waiting for dictionary check value */
DICT, /* waiting for inflateSetDictionary() call */
TYPE, /* i: waiting for type bits, including last-flag bit */
TYPEDO, /* i: same, but skip check to exit inflate on new block */
STORED, /* i: waiting for stored size (length and complement) */
COPY_, /* i/o: same as COPY below, but only first time in */
COPY, /* i/o: waiting for input or output to copy stored block */
TABLE, /* i: waiting for dynamic block table lengths */
LENLENS, /* i: waiting for code length code lengths */
CODELENS, /* i: waiting for length/lit and distance code lengths */
LEN_, /* i: same as LEN below, but only first time in */
LEN, /* i: waiting for length/lit/eob code */
LENEXT, /* i: waiting for length extra bits */
DIST, /* i: waiting for distance code */
DISTEXT, /* i: waiting for distance extra bits */
MATCH, /* o: waiting for output space to copy string */
LIT, /* o: waiting for output space to write literal */
CHECK, /* i: waiting for 32-bit check value */
LENGTH, /* i: waiting for 32-bit length (gzip) */
DONE, /* finished check, done -- remain here until reset */
BAD, /* got a data error -- remain here until reset */
MEM, /* got an inflate() memory error -- remain here until reset */
SYNC /* looking for synchronization bytes to restart inflate() */
} inflate_mode;
/*
State transitions between above modes -
(most modes can go to BAD or MEM on error -- not shown for clarity)
Process header:
HEAD -> (gzip) or (zlib) or (raw)
(gzip) -> FLAGS -> TIME -> OS -> EXLEN -> EXTRA -> NAME -> COMMENT ->
HCRC -> TYPE
(zlib) -> DICTID or TYPE
DICTID -> DICT -> TYPE
(raw) -> TYPEDO
Read deflate blocks:
TYPE -> TYPEDO -> STORED or TABLE or LEN_ or CHECK
STORED -> COPY_ -> COPY -> TYPE
TABLE -> LENLENS -> CODELENS -> LEN_
LEN_ -> LEN
Read deflate codes in fixed or dynamic block:
LEN -> LENEXT or LIT or TYPE
LENEXT -> DIST -> DISTEXT -> MATCH -> LEN
LIT -> LEN
Process trailer:
CHECK -> LENGTH -> DONE
*/
/* state maintained between inflate() calls. Approximately 10K bytes. */
struct inflate_state {
inflate_mode mode; /* current inflate mode */
int last; /* true if processing last block */
int wrap; /* bit 0 true for zlib, bit 1 true for gzip */
int havedict; /* true if dictionary provided */
int flags; /* gzip header method and flags (0 if zlib) */
unsigned dmax; /* zlib header max distance (INFLATE_STRICT) */
unsigned long check; /* protected copy of check value */
unsigned long total; /* protected copy of output count */
gz_headerp head; /* where to save gzip header information */
/* sliding window */
unsigned wbits; /* log base 2 of requested window size */
unsigned wsize; /* window size or zero if not using window */
unsigned whave; /* valid bytes in the window */
unsigned wnext; /* window write index */
unsigned char FAR *window; /* allocated sliding window, if needed */
/* bit accumulator */
unsigned long hold; /* input bit accumulator */
unsigned bits; /* number of bits in "in" */
/* for string and stored block copying */
unsigned length; /* literal or length of data to copy */
unsigned offset; /* distance back to copy string from */
/* for table and code decoding */
unsigned extra; /* extra bits needed */
/* fixed and dynamic code tables */
code const FAR *lencode; /* starting table for length/literal codes */
code const FAR *distcode; /* starting table for distance codes */
unsigned lenbits; /* index bits for lencode */
unsigned distbits; /* index bits for distcode */
/* dynamic table building */
unsigned ncode; /* number of code length code lengths */
unsigned nlen; /* number of length code lengths */
unsigned ndist; /* number of distance code lengths */
unsigned have; /* number of code lengths in lens[] */
code FAR *next; /* next available space in codes[] */
unsigned short lens[320]; /* temporary storage for code lengths */
unsigned short work[288]; /* work area for code table building */
code codes[ENOUGH]; /* space for code tables */
int sane; /* if false, allow invalid distance too far */
int back; /* bits back of last unprocessed length/lit */
unsigned was; /* initial length of match */
};

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/* inftrees.c -- generate Huffman trees for efficient decoding
* Copyright (C) 1995-2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
#include "zutil.h"
#include "inftrees.h"
#define MAXBITS 15
const char inflate_copyright[] =
" inflate 1.2.5 Copyright 1995-2010 Mark Adler ";
/*
If you use the zlib library in a product, an acknowledgment is welcome
in the documentation of your product. If for some reason you cannot
include such an acknowledgment, I would appreciate that you keep this
copyright string in the executable of your product.
*/
/*
Build a set of tables to decode the provided canonical Huffman code.
The code lengths are lens[0..codes-1]. The result starts at *table,
whose indices are 0..2^bits-1. work is a writable array of at least
lens shorts, which is used as a work area. type is the type of code
to be generated, CODES, LENS, or DISTS. On return, zero is success,
-1 is an invalid code, and +1 means that ENOUGH isn't enough. table
on return points to the next available entry's address. bits is the
requested root table index bits, and on return it is the actual root
table index bits. It will differ if the request is greater than the
longest code or if it is less than the shortest code.
*/
int ZLIB_INTERNAL inflate_table(type, lens, codes, table, bits, work)
codetype type;
unsigned short FAR *lens;
unsigned codes;
code FAR * FAR *table;
unsigned FAR *bits;
unsigned short FAR *work;
{
unsigned len; /* a code's length in bits */
unsigned sym; /* index of code symbols */
unsigned min, max; /* minimum and maximum code lengths */
unsigned root; /* number of index bits for root table */
unsigned curr; /* number of index bits for current table */
unsigned drop; /* code bits to drop for sub-table */
int left; /* number of prefix codes available */
unsigned used; /* code entries in table used */
unsigned huff; /* Huffman code */
unsigned incr; /* for incrementing code, index */
unsigned fill; /* index for replicating entries */
unsigned low; /* low bits for current root entry */
unsigned mask; /* mask for low root bits */
code here; /* table entry for duplication */
code FAR *next; /* next available space in table */
const unsigned short FAR *base; /* base value table to use */
const unsigned short FAR *extra; /* extra bits table to use */
int end; /* use base and extra for symbol > end */
unsigned short count[MAXBITS+1]; /* number of codes of each length */
unsigned short offs[MAXBITS+1]; /* offsets in table for each length */
static const unsigned short lbase[31] = { /* Length codes 257..285 base */
3, 4, 5, 6, 7, 8, 9, 10, 11, 13, 15, 17, 19, 23, 27, 31,
35, 43, 51, 59, 67, 83, 99, 115, 131, 163, 195, 227, 258, 0, 0};
static const unsigned short lext[31] = { /* Length codes 257..285 extra */
16, 16, 16, 16, 16, 16, 16, 16, 17, 17, 17, 17, 18, 18, 18, 18,
19, 19, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 16, 73, 195};
static const unsigned short dbase[32] = { /* Distance codes 0..29 base */
1, 2, 3, 4, 5, 7, 9, 13, 17, 25, 33, 49, 65, 97, 129, 193,
257, 385, 513, 769, 1025, 1537, 2049, 3073, 4097, 6145,
8193, 12289, 16385, 24577, 0, 0};
static const unsigned short dext[32] = { /* Distance codes 0..29 extra */
16, 16, 16, 16, 17, 17, 18, 18, 19, 19, 20, 20, 21, 21, 22, 22,
23, 23, 24, 24, 25, 25, 26, 26, 27, 27,
28, 28, 29, 29, 64, 64};
/*
Process a set of code lengths to create a canonical Huffman code. The
code lengths are lens[0..codes-1]. Each length corresponds to the
symbols 0..codes-1. The Huffman code is generated by first sorting the
symbols by length from short to long, and retaining the symbol order
for codes with equal lengths. Then the code starts with all zero bits
for the first code of the shortest length, and the codes are integer
increments for the same length, and zeros are appended as the length
increases. For the deflate format, these bits are stored backwards
from their more natural integer increment ordering, and so when the
decoding tables are built in the large loop below, the integer codes
are incremented backwards.
This routine assumes, but does not check, that all of the entries in
lens[] are in the range 0..MAXBITS. The caller must assure this.
1..MAXBITS is interpreted as that code length. zero means that that
symbol does not occur in this code.
The codes are sorted by computing a count of codes for each length,
creating from that a table of starting indices for each length in the
sorted table, and then entering the symbols in order in the sorted
table. The sorted table is work[], with that space being provided by
the caller.
The length counts are used for other purposes as well, i.e. finding
the minimum and maximum length codes, determining if there are any
codes at all, checking for a valid set of lengths, and looking ahead
at length counts to determine sub-table sizes when building the
decoding tables.
*/
/* accumulate lengths for codes (assumes lens[] all in 0..MAXBITS) */
for (len = 0; len <= MAXBITS; len++)
count[len] = 0;
for (sym = 0; sym < codes; sym++)
count[lens[sym]]++;
/* bound code lengths, force root to be within code lengths */
root = *bits;
for (max = MAXBITS; max >= 1; max--)
if (count[max] != 0) break;
if (root > max) root = max;
if (max == 0) { /* no symbols to code at all */
here.op = (unsigned char)64; /* invalid code marker */
here.bits = (unsigned char)1;
here.val = (unsigned short)0;
*(*table)++ = here; /* make a table to force an error */
*(*table)++ = here;
*bits = 1;
return 0; /* no symbols, but wait for decoding to report error */
}
for (min = 1; min < max; min++)
if (count[min] != 0) break;
if (root < min) root = min;
/* check for an over-subscribed or incomplete set of lengths */
left = 1;
for (len = 1; len <= MAXBITS; len++) {
left <<= 1;
left -= count[len];
if (left < 0) return -1; /* over-subscribed */
}
if (left > 0 && (type == CODES || max != 1))
return -1; /* incomplete set */
/* generate offsets into symbol table for each length for sorting */
offs[1] = 0;
for (len = 1; len < MAXBITS; len++)
offs[len + 1] = offs[len] + count[len];
/* sort symbols by length, by symbol order within each length */
for (sym = 0; sym < codes; sym++)
if (lens[sym] != 0) work[offs[lens[sym]]++] = (unsigned short)sym;
/*
Create and fill in decoding tables. In this loop, the table being
filled is at next and has curr index bits. The code being used is huff
with length len. That code is converted to an index by dropping drop
bits off of the bottom. For codes where len is less than drop + curr,
those top drop + curr - len bits are incremented through all values to
fill the table with replicated entries.
root is the number of index bits for the root table. When len exceeds
root, sub-tables are created pointed to by the root entry with an index
of the low root bits of huff. This is saved in low to check for when a
new sub-table should be started. drop is zero when the root table is
being filled, and drop is root when sub-tables are being filled.
When a new sub-table is needed, it is necessary to look ahead in the
code lengths to determine what size sub-table is needed. The length
counts are used for this, and so count[] is decremented as codes are
entered in the tables.
used keeps track of how many table entries have been allocated from the
provided *table space. It is checked for LENS and DIST tables against
the constants ENOUGH_LENS and ENOUGH_DISTS to guard against changes in
the initial root table size constants. See the comments in inftrees.h
for more information.
sym increments through all symbols, and the loop terminates when
all codes of length max, i.e. all codes, have been processed. This
routine permits incomplete codes, so another loop after this one fills
in the rest of the decoding tables with invalid code markers.
*/
/* set up for code type */
switch (type) {
case CODES:
base = extra = work; /* dummy value--not used */
end = 19;
break;
case LENS:
base = lbase;
base -= 257;
extra = lext;
extra -= 257;
end = 256;
break;
default: /* DISTS */
base = dbase;
extra = dext;
end = -1;
}
/* initialize state for loop */
huff = 0; /* starting code */
sym = 0; /* starting code symbol */
len = min; /* starting code length */
next = *table; /* current table to fill in */
curr = root; /* current table index bits */
drop = 0; /* current bits to drop from code for index */
low = (unsigned)(-1); /* trigger new sub-table when len > root */
used = 1U << root; /* use root table entries */
mask = used - 1; /* mask for comparing low */
/* check available table space */
if ((type == LENS && used >= ENOUGH_LENS) ||
(type == DISTS && used >= ENOUGH_DISTS))
return 1;
/* process all codes and make table entries */
for (;;) {
/* create table entry */
here.bits = (unsigned char)(len - drop);
if ((int)(work[sym]) < end) {
here.op = (unsigned char)0;
here.val = work[sym];
}
else if ((int)(work[sym]) > end) {
here.op = (unsigned char)(extra[work[sym]]);
here.val = base[work[sym]];
}
else {
here.op = (unsigned char)(32 + 64); /* end of block */
here.val = 0;
}
/* replicate for those indices with low len bits equal to huff */
incr = 1U << (len - drop);
fill = 1U << curr;
min = fill; /* save offset to next table */
do {
fill -= incr;
next[(huff >> drop) + fill] = here;
} while (fill != 0);
/* backwards increment the len-bit code huff */
incr = 1U << (len - 1);
while (huff & incr)
incr >>= 1;
if (incr != 0) {
huff &= incr - 1;
huff += incr;
}
else
huff = 0;
/* go to next symbol, update count, len */
sym++;
if (--(count[len]) == 0) {
if (len == max) break;
len = lens[work[sym]];
}
/* create new sub-table if needed */
if (len > root && (huff & mask) != low) {
/* if first time, transition to sub-tables */
if (drop == 0)
drop = root;
/* increment past last table */
next += min; /* here min is 1 << curr */
/* determine length of next table */
curr = len - drop;
left = (int)(1 << curr);
while (curr + drop < max) {
left -= count[curr + drop];
if (left <= 0) break;
curr++;
left <<= 1;
}
/* check for enough space */
used += 1U << curr;
if ((type == LENS && used >= ENOUGH_LENS) ||
(type == DISTS && used >= ENOUGH_DISTS))
return 1;
/* point entry in root table to sub-table */
low = huff & mask;
(*table)[low].op = (unsigned char)curr;
(*table)[low].bits = (unsigned char)root;
(*table)[low].val = (unsigned short)(next - *table);
}
}
/*
Fill in rest of table for incomplete codes. This loop is similar to the
loop above in incrementing huff for table indices. It is assumed that
len is equal to curr + drop, so there is no loop needed to increment
through high index bits. When the current sub-table is filled, the loop
drops back to the root table to fill in any remaining entries there.
*/
here.op = (unsigned char)64; /* invalid code marker */
here.bits = (unsigned char)(len - drop);
here.val = (unsigned short)0;
while (huff != 0) {
/* when done with sub-table, drop back to root table */
if (drop != 0 && (huff & mask) != low) {
drop = 0;
len = root;
next = *table;
here.bits = (unsigned char)len;
}
/* put invalid code marker in table */
next[huff >> drop] = here;
/* backwards increment the len-bit code huff */
incr = 1U << (len - 1);
while (huff & incr)
incr >>= 1;
if (incr != 0) {
huff &= incr - 1;
huff += incr;
}
else
huff = 0;
}
/* set return parameters */
*table += used;
*bits = root;
return 0;
}

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/* inftrees.h -- header to use inftrees.c
* Copyright (C) 1995-2005, 2010 Mark Adler
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* WARNING: this file should *not* be used by applications. It is
part of the implementation of the compression library and is
subject to change. Applications should only use zlib.h.
*/
/* Structure for decoding tables. Each entry provides either the
information needed to do the operation requested by the code that
indexed that table entry, or it provides a pointer to another
table that indexes more bits of the code. op indicates whether
the entry is a pointer to another table, a literal, a length or
distance, an end-of-block, or an invalid code. For a table
pointer, the low four bits of op is the number of index bits of
that table. For a length or distance, the low four bits of op
is the number of extra bits to get after the code. bits is
the number of bits in this code or part of the code to drop off
of the bit buffer. val is the actual byte to output in the case
of a literal, the base length or distance, or the offset from
the current table to the next table. Each entry is four bytes. */
typedef struct {
unsigned char op; /* operation, extra bits, table bits */
unsigned char bits; /* bits in this part of the code */
unsigned short val; /* offset in table or code value */
} code;
/* op values as set by inflate_table():
00000000 - literal
0000tttt - table link, tttt != 0 is the number of table index bits
0001eeee - length or distance, eeee is the number of extra bits
01100000 - end of block
01000000 - invalid code
*/
/* Maximum size of the dynamic table. The maximum number of code structures is
1444, which is the sum of 852 for literal/length codes and 592 for distance
codes. These values were found by exhaustive searches using the program
examples/enough.c found in the zlib distribtution. The arguments to that
program are the number of symbols, the initial root table size, and the
maximum bit length of a code. "enough 286 9 15" for literal/length codes
returns returns 852, and "enough 30 6 15" for distance codes returns 592.
The initial root table size (9 or 6) is found in the fifth argument of the
inflate_table() calls in inflate.c and infback.c. If the root table size is
changed, then these maximum sizes would be need to be recalculated and
updated. */
#define ENOUGH_LENS 852
#define ENOUGH_DISTS 592
#define ENOUGH (ENOUGH_LENS+ENOUGH_DISTS)
/* Type of code to build for inflate_table() */
typedef enum {
CODES,
LENS,
DISTS
} codetype;
int ZLIB_INTERNAL inflate_table OF((codetype type, unsigned short FAR *lens,
unsigned codes, code FAR * FAR *table,
unsigned FAR *bits, unsigned short FAR *work));

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/* header created automatically with -DGEN_TREES_H */
local const ct_data static_ltree[L_CODES+2] = {
{{ 12},{ 8}}, {{140},{ 8}}, {{ 76},{ 8}}, {{204},{ 8}}, {{ 44},{ 8}},
{{172},{ 8}}, {{108},{ 8}}, {{236},{ 8}}, {{ 28},{ 8}}, {{156},{ 8}},
{{ 92},{ 8}}, {{220},{ 8}}, {{ 60},{ 8}}, {{188},{ 8}}, {{124},{ 8}},
{{252},{ 8}}, {{ 2},{ 8}}, {{130},{ 8}}, {{ 66},{ 8}}, {{194},{ 8}},
{{ 34},{ 8}}, {{162},{ 8}}, {{ 98},{ 8}}, {{226},{ 8}}, {{ 18},{ 8}},
{{146},{ 8}}, {{ 82},{ 8}}, {{210},{ 8}}, {{ 50},{ 8}}, {{178},{ 8}},
{{114},{ 8}}, {{242},{ 8}}, {{ 10},{ 8}}, {{138},{ 8}}, {{ 74},{ 8}},
{{202},{ 8}}, {{ 42},{ 8}}, {{170},{ 8}}, {{106},{ 8}}, {{234},{ 8}},
{{ 26},{ 8}}, {{154},{ 8}}, {{ 90},{ 8}}, {{218},{ 8}}, {{ 58},{ 8}},
{{186},{ 8}}, {{122},{ 8}}, {{250},{ 8}}, {{ 6},{ 8}}, {{134},{ 8}},
{{ 70},{ 8}}, {{198},{ 8}}, {{ 38},{ 8}}, {{166},{ 8}}, {{102},{ 8}},
{{230},{ 8}}, {{ 22},{ 8}}, {{150},{ 8}}, {{ 86},{ 8}}, {{214},{ 8}},
{{ 54},{ 8}}, {{182},{ 8}}, {{118},{ 8}}, {{246},{ 8}}, {{ 14},{ 8}},
{{142},{ 8}}, {{ 78},{ 8}}, {{206},{ 8}}, {{ 46},{ 8}}, {{174},{ 8}},
{{110},{ 8}}, {{238},{ 8}}, {{ 30},{ 8}}, {{158},{ 8}}, {{ 94},{ 8}},
{{222},{ 8}}, {{ 62},{ 8}}, {{190},{ 8}}, {{126},{ 8}}, {{254},{ 8}},
{{ 1},{ 8}}, {{129},{ 8}}, {{ 65},{ 8}}, {{193},{ 8}}, {{ 33},{ 8}},
{{161},{ 8}}, {{ 97},{ 8}}, {{225},{ 8}}, {{ 17},{ 8}}, {{145},{ 8}},
{{ 81},{ 8}}, {{209},{ 8}}, {{ 49},{ 8}}, {{177},{ 8}}, {{113},{ 8}},
{{241},{ 8}}, {{ 9},{ 8}}, {{137},{ 8}}, {{ 73},{ 8}}, {{201},{ 8}},
{{ 41},{ 8}}, {{169},{ 8}}, {{105},{ 8}}, {{233},{ 8}}, {{ 25},{ 8}},
{{153},{ 8}}, {{ 89},{ 8}}, {{217},{ 8}}, {{ 57},{ 8}}, {{185},{ 8}},
{{121},{ 8}}, {{249},{ 8}}, {{ 5},{ 8}}, {{133},{ 8}}, {{ 69},{ 8}},
{{197},{ 8}}, {{ 37},{ 8}}, {{165},{ 8}}, {{101},{ 8}}, {{229},{ 8}},
{{ 21},{ 8}}, {{149},{ 8}}, {{ 85},{ 8}}, {{213},{ 8}}, {{ 53},{ 8}},
{{181},{ 8}}, {{117},{ 8}}, {{245},{ 8}}, {{ 13},{ 8}}, {{141},{ 8}},
{{ 77},{ 8}}, {{205},{ 8}}, {{ 45},{ 8}}, {{173},{ 8}}, {{109},{ 8}},
{{237},{ 8}}, {{ 29},{ 8}}, {{157},{ 8}}, {{ 93},{ 8}}, {{221},{ 8}},
{{ 61},{ 8}}, {{189},{ 8}}, {{125},{ 8}}, {{253},{ 8}}, {{ 19},{ 9}},
{{275},{ 9}}, {{147},{ 9}}, {{403},{ 9}}, {{ 83},{ 9}}, {{339},{ 9}},
{{211},{ 9}}, {{467},{ 9}}, {{ 51},{ 9}}, {{307},{ 9}}, {{179},{ 9}},
{{435},{ 9}}, {{115},{ 9}}, {{371},{ 9}}, {{243},{ 9}}, {{499},{ 9}},
{{ 11},{ 9}}, {{267},{ 9}}, {{139},{ 9}}, {{395},{ 9}}, {{ 75},{ 9}},
{{331},{ 9}}, {{203},{ 9}}, {{459},{ 9}}, {{ 43},{ 9}}, {{299},{ 9}},
{{171},{ 9}}, {{427},{ 9}}, {{107},{ 9}}, {{363},{ 9}}, {{235},{ 9}},
{{491},{ 9}}, {{ 27},{ 9}}, {{283},{ 9}}, {{155},{ 9}}, {{411},{ 9}},
{{ 91},{ 9}}, {{347},{ 9}}, {{219},{ 9}}, {{475},{ 9}}, {{ 59},{ 9}},
{{315},{ 9}}, {{187},{ 9}}, {{443},{ 9}}, {{123},{ 9}}, {{379},{ 9}},
{{251},{ 9}}, {{507},{ 9}}, {{ 7},{ 9}}, {{263},{ 9}}, {{135},{ 9}},
{{391},{ 9}}, {{ 71},{ 9}}, {{327},{ 9}}, {{199},{ 9}}, {{455},{ 9}},
{{ 39},{ 9}}, {{295},{ 9}}, {{167},{ 9}}, {{423},{ 9}}, {{103},{ 9}},
{{359},{ 9}}, {{231},{ 9}}, {{487},{ 9}}, {{ 23},{ 9}}, {{279},{ 9}},
{{151},{ 9}}, {{407},{ 9}}, {{ 87},{ 9}}, {{343},{ 9}}, {{215},{ 9}},
{{471},{ 9}}, {{ 55},{ 9}}, {{311},{ 9}}, {{183},{ 9}}, {{439},{ 9}},
{{119},{ 9}}, {{375},{ 9}}, {{247},{ 9}}, {{503},{ 9}}, {{ 15},{ 9}},
{{271},{ 9}}, {{143},{ 9}}, {{399},{ 9}}, {{ 79},{ 9}}, {{335},{ 9}},
{{207},{ 9}}, {{463},{ 9}}, {{ 47},{ 9}}, {{303},{ 9}}, {{175},{ 9}},
{{431},{ 9}}, {{111},{ 9}}, {{367},{ 9}}, {{239},{ 9}}, {{495},{ 9}},
{{ 31},{ 9}}, {{287},{ 9}}, {{159},{ 9}}, {{415},{ 9}}, {{ 95},{ 9}},
{{351},{ 9}}, {{223},{ 9}}, {{479},{ 9}}, {{ 63},{ 9}}, {{319},{ 9}},
{{191},{ 9}}, {{447},{ 9}}, {{127},{ 9}}, {{383},{ 9}}, {{255},{ 9}},
{{511},{ 9}}, {{ 0},{ 7}}, {{ 64},{ 7}}, {{ 32},{ 7}}, {{ 96},{ 7}},
{{ 16},{ 7}}, {{ 80},{ 7}}, {{ 48},{ 7}}, {{112},{ 7}}, {{ 8},{ 7}},
{{ 72},{ 7}}, {{ 40},{ 7}}, {{104},{ 7}}, {{ 24},{ 7}}, {{ 88},{ 7}},
{{ 56},{ 7}}, {{120},{ 7}}, {{ 4},{ 7}}, {{ 68},{ 7}}, {{ 36},{ 7}},
{{100},{ 7}}, {{ 20},{ 7}}, {{ 84},{ 7}}, {{ 52},{ 7}}, {{116},{ 7}},
{{ 3},{ 8}}, {{131},{ 8}}, {{ 67},{ 8}}, {{195},{ 8}}, {{ 35},{ 8}},
{{163},{ 8}}, {{ 99},{ 8}}, {{227},{ 8}}
};
local const ct_data static_dtree[D_CODES] = {
{{ 0},{ 5}}, {{16},{ 5}}, {{ 8},{ 5}}, {{24},{ 5}}, {{ 4},{ 5}},
{{20},{ 5}}, {{12},{ 5}}, {{28},{ 5}}, {{ 2},{ 5}}, {{18},{ 5}},
{{10},{ 5}}, {{26},{ 5}}, {{ 6},{ 5}}, {{22},{ 5}}, {{14},{ 5}},
{{30},{ 5}}, {{ 1},{ 5}}, {{17},{ 5}}, {{ 9},{ 5}}, {{25},{ 5}},
{{ 5},{ 5}}, {{21},{ 5}}, {{13},{ 5}}, {{29},{ 5}}, {{ 3},{ 5}},
{{19},{ 5}}, {{11},{ 5}}, {{27},{ 5}}, {{ 7},{ 5}}, {{23},{ 5}}
};
const uch ZLIB_INTERNAL _dist_code[DIST_CODE_LEN] = {
0, 1, 2, 3, 4, 4, 5, 5, 6, 6, 6, 6, 7, 7, 7, 7, 8, 8, 8, 8,
8, 8, 8, 8, 9, 9, 9, 9, 9, 9, 9, 9, 10, 10, 10, 10, 10, 10, 10, 10,
10, 10, 10, 10, 10, 10, 10, 10, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11, 11,
11, 11, 11, 11, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12,
12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 12, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13, 13,
13, 13, 13, 13, 13, 13, 13, 13, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14,
14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 14, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15,
15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 15, 0, 0, 16, 17,
18, 18, 19, 19, 20, 20, 20, 20, 21, 21, 21, 21, 22, 22, 22, 22, 22, 22, 22, 22,
23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28, 28,
28, 28, 28, 28, 28, 28, 28, 28, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29,
29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29, 29
};
const uch ZLIB_INTERNAL _length_code[MAX_MATCH-MIN_MATCH+1]= {
0, 1, 2, 3, 4, 5, 6, 7, 8, 8, 9, 9, 10, 10, 11, 11, 12, 12, 12, 12,
13, 13, 13, 13, 14, 14, 14, 14, 15, 15, 15, 15, 16, 16, 16, 16, 16, 16, 16, 16,
17, 17, 17, 17, 17, 17, 17, 17, 18, 18, 18, 18, 18, 18, 18, 18, 19, 19, 19, 19,
19, 19, 19, 19, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20, 20,
21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 21, 22, 22, 22, 22,
22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 22, 23, 23, 23, 23, 23, 23, 23, 23,
23, 23, 23, 23, 23, 23, 23, 23, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24, 24,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25,
25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 25, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26, 26,
26, 26, 26, 26, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27,
27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 27, 28
};
local const int base_length[LENGTH_CODES] = {
0, 1, 2, 3, 4, 5, 6, 7, 8, 10, 12, 14, 16, 20, 24, 28, 32, 40, 48, 56,
64, 80, 96, 112, 128, 160, 192, 224, 0
};
local const int base_dist[D_CODES] = {
0, 1, 2, 3, 4, 6, 8, 12, 16, 24,
32, 48, 64, 96, 128, 192, 256, 384, 512, 768,
1024, 1536, 2048, 3072, 4096, 6144, 8192, 12288, 16384, 24576
};

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dependencies/libwebsockets/win32port/zlib/uncompr.c vendored Normal file
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/* uncompr.c -- decompress a memory buffer
* Copyright (C) 1995-2003, 2010 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#define ZLIB_INTERNAL
#include "zlib.h"
/* ===========================================================================
Decompresses the source buffer into the destination buffer. sourceLen is
the byte length of the source buffer. Upon entry, destLen is the total
size of the destination buffer, which must be large enough to hold the
entire uncompressed data. (The size of the uncompressed data must have
been saved previously by the compressor and transmitted to the decompressor
by some mechanism outside the scope of this compression library.)
Upon exit, destLen is the actual size of the compressed buffer.
uncompress returns Z_OK if success, Z_MEM_ERROR if there was not
enough memory, Z_BUF_ERROR if there was not enough room in the output
buffer, or Z_DATA_ERROR if the input data was corrupted.
*/
int ZEXPORT uncompress (dest, destLen, source, sourceLen)
Bytef *dest;
uLongf *destLen;
const Bytef *source;
uLong sourceLen;
{
z_stream stream;
int err;
stream.next_in = (Bytef*)source;
stream.avail_in = (uInt)sourceLen;
/* Check for source > 64K on 16-bit machine: */
if ((uLong)stream.avail_in != sourceLen) return Z_BUF_ERROR;
stream.next_out = dest;
stream.avail_out = (uInt)*destLen;
if ((uLong)stream.avail_out != *destLen) return Z_BUF_ERROR;
stream.zalloc = (alloc_func)0;
stream.zfree = (free_func)0;
err = inflateInit(&stream);
if (err != Z_OK) return err;
err = inflate(&stream, Z_FINISH);
if (err != Z_STREAM_END) {
inflateEnd(&stream);
if (err == Z_NEED_DICT || (err == Z_BUF_ERROR && stream.avail_in == 0))
return Z_DATA_ERROR;
return err;
}
*destLen = stream.total_out;
err = inflateEnd(&stream);
return err;
}

428
dependencies/libwebsockets/win32port/zlib/zconf.h vendored Normal file
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/* zconf.h -- configuration of the zlib compression library
* Copyright (C) 1995-2010 Jean-loup Gailly.
* For conditions of distribution and use, see copyright notice in zlib.h
*/
/* @(#) $Id$ */
#ifndef ZCONF_H
#define ZCONF_H
/*
* If you *really* need a unique prefix for all types and library functions,
* compile with -DZ_PREFIX. The "standard" zlib should be compiled without it.
* Even better than compiling with -DZ_PREFIX would be to use configure to set
* this permanently in zconf.h using "./configure --zprefix".
*/
#ifdef Z_PREFIX /* may be set to #if 1 by ./configure */
/* all linked symbols */
# define _dist_code z__dist_code
# define _length_code z__length_code
# define _tr_align z__tr_align
# define _tr_flush_block z__tr_flush_block
# define _tr_init z__tr_init
# define _tr_stored_block z__tr_stored_block
# define _tr_tally z__tr_tally
# define adler32 z_adler32
# define adler32_combine z_adler32_combine
# define adler32_combine64 z_adler32_combine64
# define compress z_compress
# define compress2 z_compress2
# define compressBound z_compressBound
# define crc32 z_crc32
# define crc32_combine z_crc32_combine
# define crc32_combine64 z_crc32_combine64
# define deflate z_deflate
# define deflateBound z_deflateBound
# define deflateCopy z_deflateCopy
# define deflateEnd z_deflateEnd
# define deflateInit2_ z_deflateInit2_
# define deflateInit_ z_deflateInit_
# define deflateParams z_deflateParams
# define deflatePrime z_deflatePrime
# define deflateReset z_deflateReset
# define deflateSetDictionary z_deflateSetDictionary
# define deflateSetHeader z_deflateSetHeader
# define deflateTune z_deflateTune
# define deflate_copyright z_deflate_copyright
# define get_crc_table z_get_crc_table
# define gz_error z_gz_error
# define gz_intmax z_gz_intmax
# define gz_strwinerror z_gz_strwinerror
# define gzbuffer z_gzbuffer
# define gzclearerr z_gzclearerr
# define gzclose z_gzclose
# define gzclose_r z_gzclose_r
# define gzclose_w z_gzclose_w
# define gzdirect z_gzdirect
# define gzdopen z_gzdopen
# define gzeof z_gzeof
# define gzerror z_gzerror
# define gzflush z_gzflush
# define gzgetc z_gzgetc
# define gzgets z_gzgets
# define gzoffset z_gzoffset
# define gzoffset64 z_gzoffset64
# define gzopen z_gzopen
# define gzopen64 z_gzopen64
# define gzprintf z_gzprintf
# define gzputc z_gzputc
# define gzputs z_gzputs
# define gzread z_gzread
# define gzrewind z_gzrewind
# define gzseek z_gzseek
# define gzseek64 z_gzseek64
# define gzsetparams z_gzsetparams
# define gztell z_gztell
# define gztell64 z_gztell64
# define gzungetc z_gzungetc
# define gzwrite z_gzwrite
# define inflate z_inflate
# define inflateBack z_inflateBack
# define inflateBackEnd z_inflateBackEnd
# define inflateBackInit_ z_inflateBackInit_
# define inflateCopy z_inflateCopy
# define inflateEnd z_inflateEnd
# define inflateGetHeader z_inflateGetHeader
# define inflateInit2_ z_inflateInit2_
# define inflateInit_ z_inflateInit_
# define inflateMark z_inflateMark
# define inflatePrime z_inflatePrime
# define inflateReset z_inflateReset
# define inflateReset2 z_inflateReset2
# define inflateSetDictionary z_inflateSetDictionary
# define inflateSync z_inflateSync
# define inflateSyncPoint z_inflateSyncPoint
# define inflateUndermine z_inflateUndermine
# define inflate_copyright z_inflate_copyright
# define inflate_fast z_inflate_fast
# define inflate_table z_inflate_table
# define uncompress z_uncompress
# define zError z_zError
# define zcalloc z_zcalloc
# define zcfree z_zcfree
# define zlibCompileFlags z_zlibCompileFlags
# define zlibVersion z_zlibVersion
/* all zlib typedefs in zlib.h and zconf.h */
# define Byte z_Byte
# define Bytef z_Bytef
# define alloc_func z_alloc_func
# define charf z_charf
# define free_func z_free_func
# define gzFile z_gzFile
# define gz_header z_gz_header
# define gz_headerp z_gz_headerp
# define in_func z_in_func
# define intf z_intf
# define out_func z_out_func
# define uInt z_uInt
# define uIntf z_uIntf
# define uLong z_uLong
# define uLongf z_uLongf
# define voidp z_voidp
# define voidpc z_voidpc
# define voidpf z_voidpf
/* all zlib structs in zlib.h and zconf.h */
# define gz_header_s z_gz_header_s
# define internal_state z_internal_state
#endif
#if defined(__MSDOS__) && !defined(MSDOS)
# define MSDOS
#endif
#if (defined(OS_2) || defined(__OS2__)) && !defined(OS2)
# define OS2
#endif
#if defined(_WINDOWS) && !defined(WINDOWS)
# define WINDOWS
#endif
#if defined(_WIN32) || defined(_WIN32_WCE) || defined(__WIN32__)
# ifndef WIN32
# define WIN32
# endif
#endif
#if (defined(MSDOS) || defined(OS2) || defined(WINDOWS)) && !defined(WIN32)
# if !defined(__GNUC__) && !defined(__FLAT__) && !defined(__386__)
# ifndef SYS16BIT
# define SYS16BIT
# endif
# endif
#endif
/*
* Compile with -DMAXSEG_64K if the alloc function cannot allocate more
* than 64k bytes at a time (needed on systems with 16-bit int).
*/
#ifdef SYS16BIT
# define MAXSEG_64K
#endif
#ifdef MSDOS
# define UNALIGNED_OK
#endif
#ifdef __STDC_VERSION__
# ifndef STDC
# define STDC
# endif
# if __STDC_VERSION__ >= 199901L
# ifndef STDC99
# define STDC99
# endif
# endif
#endif
#if !defined(STDC) && (defined(__STDC__) || defined(__cplusplus))
# define STDC
#endif
#if !defined(STDC) && (defined(__GNUC__) || defined(__BORLANDC__))
# define STDC
#endif
#if !defined(STDC) && (defined(MSDOS) || defined(WINDOWS) || defined(WIN32))
# define STDC
#endif
#if !defined(STDC) && (defined(OS2) || defined(__HOS_AIX__))
# define STDC
#endif
#if defined(__OS400__) && !defined(STDC) /* iSeries (formerly AS/400). */
# define STDC
#endif
#ifndef STDC
# ifndef const /* cannot use !defined(STDC) && !defined(const) on Mac */
# define const /* note: need a more gentle solution here */
# endif
#endif
/* Some Mac compilers merge all .h files incorrectly: */
#if defined(__MWERKS__)||defined(applec)||defined(THINK_C)||defined(__SC__)
# define NO_DUMMY_DECL
#endif
/* Maximum value for memLevel in deflateInit2 */
#ifndef MAX_MEM_LEVEL
# ifdef MAXSEG_64K
# define MAX_MEM_LEVEL 8
# else
# define MAX_MEM_LEVEL 9
# endif
#endif
/* Maximum value for windowBits in deflateInit2 and inflateInit2.
* WARNING: reducing MAX_WBITS makes minigzip unable to extract .gz files
* created by gzip. (Files created by minigzip can still be extracted by
* gzip.)
*/
#ifndef MAX_WBITS
# define MAX_WBITS 15 /* 32K LZ77 window */
#endif
/* The memory requirements for deflate are (in bytes):
(1 << (windowBits+2)) + (1 << (memLevel+9))
that is: 128K for windowBits=15 + 128K for memLevel = 8 (default values)
plus a few kilobytes for small objects. For example, if you want to reduce
the default memory requirements from 256K to 128K, compile with
make CFLAGS="-O -DMAX_WBITS=14 -DMAX_MEM_LEVEL=7"
Of course this will generally degrade compression (there's no free lunch).
The memory requirements for inflate are (in bytes) 1 << windowBits
that is, 32K for windowBits=15 (default value) plus a few kilobytes
for small objects.
*/
/* Type declarations */
#ifndef OF /* function prototypes */
# ifdef STDC
# define OF(args) args
# else
# define OF(args) ()
# endif
#endif
/* The following definitions for FAR are needed only for MSDOS mixed
* model programming (small or medium model with some far allocations).
* This was tested only with MSC; for other MSDOS compilers you may have
* to define NO_MEMCPY in zutil.h. If you don't need the mixed model,
* just define FAR to be empty.
*/
#ifdef SYS16BIT
# if defined(M_I86SM) || defined(M_I86MM)
/* MSC small or medium model */
# define SMALL_MEDIUM
# ifdef _MSC_VER
# define FAR _far
# else
# define FAR far
# endif
# endif
# if (defined(__SMALL__) || defined(__MEDIUM__))
/* Turbo C small or medium model */
# define SMALL_MEDIUM
# ifdef __BORLANDC__
# define FAR _far
# else
# define FAR far
# endif
# endif
#endif
#if defined(WINDOWS) || defined(WIN32)
/* If building or using zlib as a DLL, define ZLIB_DLL.
* This is not mandatory, but it offers a little performance increase.
*/
# ifdef ZLIB_DLL
# if defined(WIN32) && (!defined(__BORLANDC__) || (__BORLANDC__ >= 0x500))
# ifdef ZLIB_INTERNAL
# define ZEXTERN extern __declspec(dllexport)
# else
# define ZEXTERN extern __declspec(dllimport)
# endif
# endif
# endif /* ZLIB_DLL */
/* If building or using zlib with the WINAPI/WINAPIV calling convention,
* define ZLIB_WINAPI.
* Caution: the standard ZLIB1.DLL is NOT compiled using ZLIB_WINAPI.
*/
# ifdef ZLIB_WINAPI
# ifdef FAR
# undef FAR
# endif
# include <windows.h>
/* No need for _export, use ZLIB.DEF instead. */
/* For complete Windows compatibility, use WINAPI, not __stdcall. */
# define ZEXPORT WINAPI
# ifdef WIN32
# define ZEXPORTVA WINAPIV
# else
# define ZEXPORTVA FAR CDECL
# endif
# endif
#endif
#if defined (__BEOS__)
# ifdef ZLIB_DLL
# ifdef ZLIB_INTERNAL
# define ZEXPORT __declspec(dllexport)
# define ZEXPORTVA __declspec(dllexport)
# else
# define ZEXPORT __declspec(dllimport)
# define ZEXPORTVA __declspec(dllimport)
# endif
# endif
#endif
#ifndef ZEXTERN
# define ZEXTERN extern
#endif
#ifndef ZEXPORT
# define ZEXPORT
#endif
#ifndef ZEXPORTVA
# define ZEXPORTVA
#endif
#ifndef FAR
# define FAR
#endif
#if !defined(__MACTYPES__)
typedef unsigned char Byte; /* 8 bits */
#endif
typedef unsigned int uInt; /* 16 bits or more */
typedef unsigned long uLong; /* 32 bits or more */
#ifdef SMALL_MEDIUM
/* Borland C/C++ and some old MSC versions ignore FAR inside typedef */
# define Bytef Byte FAR
#else
typedef Byte FAR Bytef;
#endif
typedef char FAR charf;
typedef int FAR intf;
typedef uInt FAR uIntf;
typedef uLong FAR uLongf;
#ifdef STDC
typedef void const *voidpc;
typedef void FAR *voidpf;
typedef void *voidp;
#else
typedef Byte const *voidpc;
typedef Byte FAR *voidpf;
typedef Byte *voidp;
#endif
#ifdef HAVE_UNISTD_H /* may be set to #if 1 by ./configure */
# define Z_HAVE_UNISTD_H
#endif
#ifdef STDC
# include <sys/types.h> /* for off_t */
#endif
/* a little trick to accommodate both "#define _LARGEFILE64_SOURCE" and
* "#define _LARGEFILE64_SOURCE 1" as requesting 64-bit operations, (even
* though the former does not conform to the LFS document), but considering
* both "#undef _LARGEFILE64_SOURCE" and "#define _LARGEFILE64_SOURCE 0" as
* equivalently requesting no 64-bit operations
*/
#if -_LARGEFILE64_SOURCE - -1 == 1
# undef _LARGEFILE64_SOURCE
#endif
#if defined(Z_HAVE_UNISTD_H) || defined(_LARGEFILE64_SOURCE)
# include <unistd.h> /* for SEEK_* and off_t */
# ifdef VMS
# include <unixio.h> /* for off_t */
# endif
# ifndef z_off_t
# define z_off_t off_t
# endif
#endif
#ifndef SEEK_SET
# define SEEK_SET 0 /* Seek from beginning of file. */
# define SEEK_CUR 1 /* Seek from current position. */
# define SEEK_END 2 /* Set file pointer to EOF plus "offset" */
#endif
#ifndef z_off_t
# define z_off_t long
#endif
#if defined(_LARGEFILE64_SOURCE) && _LFS64_LARGEFILE-0
# define z_off64_t off64_t
#else
# define z_off64_t z_off_t
#endif
#if defined(__OS400__)
# define NO_vsnprintf
#endif
#if defined(__MVS__)
# define NO_vsnprintf
#endif
/* MVS linker does not support external names larger than 8 bytes */
#if defined(__MVS__)
#pragma map(deflateInit_,"DEIN")
#pragma map(deflateInit2_,"DEIN2")
#pragma map(deflateEnd,"DEEND")
#pragma map(deflateBound,"DEBND")
#pragma map(inflateInit_,"ININ")
#pragma map(inflateInit2_,"ININ2")
#pragma map(inflateEnd,"INEND")
#pragma map(inflateSync,"INSY")
#pragma map(inflateSetDictionary,"INSEDI")
#pragma map(compressBound,"CMBND")
#pragma map(inflate_table,"INTABL")
#pragma map(inflate_fast,"INFA")
#pragma map(inflate_copyright,"INCOPY")
#endif
#endif /* ZCONF_H */

1613
dependencies/libwebsockets/win32port/zlib/zlib.h vendored Normal file
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