Alex King f4f0619618
[Bug Fix] Fix possible crash with #npcedit weapon (#3421)
# Notes
- Using `#npcedit weapon` without the secondary model had a chance to crash the zone you were in, i.e `#npcedit weapon 1`.

# Crash Logs
```txt
[06-18-2023 16:26:55] [Zone] [Crash] [New LWP 802548]
[06-18-2023 16:26:55] [Zone] [Crash] [New LWP 802549]
[06-18-2023 16:26:55] [Zone] [Crash] [New LWP 802550]
[06-18-2023 16:26:55] [Zone] [Crash] [New LWP 802551]
[06-18-2023 16:26:55] [Zone] [Crash] [Thread debugging using libthread_db enabled]
[06-18-2023 16:26:55] [Zone] [Crash] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[06-18-2023 16:26:55] [Zone] [Crash] 0x00007f22b2b14207 in __GI___wait4 (pid=819104, stat_loc=0x0, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27
[06-18-2023 16:26:55] [Zone] [Crash] [Current thread is 1 (Thread 0x7f22b29eab00 (LWP 802540))]
[06-18-2023 16:26:55] [Zone] [Crash] #0  0x00007f22b2b14207 in __GI___wait4 (pid=819104, stat_loc=0x0, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27
[06-18-2023 16:26:55] [Zone] [Crash] #1  0x000055e4451b6b6e in print_trace () at /home/eqemu/code/common/crash.cpp:281
[06-18-2023 16:26:55] [Zone] [Crash] #2  <signal handler called>
[06-18-2023 16:26:55] [Zone] [Crash] #3  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
[06-18-2023 16:26:55] [Zone] [Crash] #4  0x00007f22b2a6e537 in __GI_abort () at abort.c:79
[06-18-2023 16:26:55] [Zone] [Crash] #5  0x00007f22b2e067ec in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
[06-18-2023 16:26:55] [Zone] [Crash] #6  0x00007f22b2e11966 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
[06-18-2023 16:26:55] [Zone] [Crash] #7  0x00007f22b2e119d1 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
[06-18-2023 16:26:55] [Zone] [Crash] #8  0x00007f22b2e11c65 in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
[06-18-2023 16:26:55] [Zone] [Crash] #9  0x00007f22b2e08faa in std::__throw_logic_error(char const*) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
[06-18-2023 16:26:55] [Zone] [Crash] #10 0x000055e444216b48 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char const*> (this=0x7fff9bd06620, __beg=0x0, __end=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>) at /usr/include/c++/10/bits/basic_string.tcc:212
[06-18-2023 16:26:55] [Zone] [Crash] #11 0x000055e44420dd09 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct_aux<char const*> (this=0x7fff9bd06620, __beg=0x0, __end=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>) at /usr/include/c++/10/bits/basic_string.h:247
[06-18-2023 16:26:55] [Zone] [Crash] #12 0x000055e444203977 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char const*> (this=0x7fff9bd06620, __beg=0x0, __end=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>) at /usr/include/c++/10/bits/basic_string.h:266
[06-18-2023 16:26:55] [Zone] [Crash] #13 0x000055e4441f93ef in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string<std::allocator<char> > (this=0x7fff9bd06620, __s=0x0, __a=...) at /usr/include/c++/10/bits/basic_string.h:527
[06-18-2023 16:26:55] [Zone] [Crash] #14 0x000055e4445469df in command_npcedit (c=0x55e448292480, sep=0x7fff9bd09a20) at /home/eqemu/code/zone/gm_commands/npcedit.cpp:540
[06-18-2023 16:26:55] [Zone] [Crash] #15 0x000055e4444e2039 in command_realdispatch (c=0x55e448292480, message="#npcedit weapon 1", ignore_status=false) at /home/eqemu/code/zone/command.cpp:602
[06-18-2023 16:26:55] [Zone] [Crash] #16 0x000055e4443b03d3 in Client::ChannelMessageReceived (this=0x55e448292480, chan_num=8 '\b', language=0 '\000', lang_skill=100 'd', orig_message=0x55e44a69e314 "#npcedit weapon 1", targetname=0x55e44a69e280 "a_willowisp000", is_silent=false) at /home/eqemu/code/zone/client.cpp:1122
[06-18-2023 16:26:55] [Zone] [Crash] #17 0x000055e444454597 in Client::Handle_OP_ChannelMessage (this=0x55e448292480, app=0x55e449156a70) at /home/eqemu/code/zone/client_packet.cpp:4478
[06-18-2023 16:26:55] [Zone] [Crash] #18 0x000055e44443c5d2 in Client::HandlePacket (this=0x55e448292480, app=0x55e449156a70) at /home/eqemu/code/zone/client_packet.cpp:495
[06-18-2023 16:26:55] [Zone] [Crash] #19 0x000055e4444b7add in Client::Process (this=0x55e448292480) at /home/eqemu/code/zone/client_process.cpp:587
[06-18-2023 16:26:55] [Zone] [Crash] #20 0x000055e44472df12 in EntityList::MobProcess (this=0x55e445df07c0 <entity_list>) at /home/eqemu/code/zone/entity.cpp:510
[06-18-2023 16:26:55] [Zone] [Crash] #21 0x000055e444c149b0 in operator() (__closure=0x55e448dc9170, t=0x7fff9bd0c4a0) at /home/eqemu/code/zone/main.cpp:562
[06-18-2023 16:26:55] [Zone] [Crash] #22 0x000055e444c19fd2 in std::__invoke_impl<void, main(int, char**)::<lambda(EQ::Timer*)>&, EQ::Timer*>(std::__invoke_other, struct {...} &) (__f=...) at /usr/include/c++/10/bits/invoke.h:60
[06-18-2023 16:26:55] [Zone] [Crash] #23 0x000055e444c19da1 in std::__invoke_r<void, main(int, char**)::<lambda(EQ::Timer*)>&, EQ::Timer*>(struct {...} &) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110
[06-18-2023 16:26:55] [Zone] [Crash] #24 0x000055e444c19ac8 in std::_Function_handler<void(EQ::Timer*), main(int, char**)::<lambda(EQ::Timer*)> >::_M_invoke(const std::_Any_data &, EQ::Timer *&&) (__functor=..., __args#0=@0x7fff9bd0bea0: 0x7fff9bd0c4a0) at /usr/include/c++/10/bits/std_function.h:291
[06-18-2023 16:26:55] [Zone] [Crash] #25 0x000055e444c1f4c5 in std::function<void (EQ::Timer*)>::operator()(EQ::Timer*) const (this=0x7fff9bd0c4a8, __args#0=0x7fff9bd0c4a0) at /usr/include/c++/10/bits/std_function.h:622
[06-18-2023 16:26:55] [Zone] [Crash] #26 0x000055e444c1d265 in EQ::Timer::Execute (this=0x7fff9bd0c4a0) at /home/eqemu/code/zone/../common/net/../event/timer.h:61
[06-18-2023 16:26:55] [Zone] [Crash] #27 0x000055e444c1d023 in EQ::Timer::Start(unsigned long, bool)::{lambda(uv_timer_s*)#1}::operator()(uv_timer_s*) const (__closure=0x0, handle=0x55e44832b570) at /home/eqemu/code/zone/../common/net/../event/timer.h:38
[06-18-2023 16:26:55] [Zone] [Crash] #28 0x000055e444c1d043 in EQ::Timer::Start(unsigned long, bool)::{lambda(uv_timer_s*)#1}::_FUN(uv_timer_s*) () at /home/eqemu/code/zone/../common/net/../event/timer.h:39
[06-18-2023 16:26:55] [Zone] [Crash] #29 0x000055e4454afb5d in uv__run_timers (loop=loop@entry=0x7f22b29ea7a8) at /home/eqemu/code/submodules/libuv/src/timer.c:178
[06-18-2023 16:26:55] [Zone] [Crash] #30 0x000055e4454b3182 in uv_run (loop=0x7f22b29ea7a8, mode=UV_RUN_DEFAULT) at /home/eqemu/code/submodules/libuv/src/unix/core.c:393
[06-18-2023 16:26:55] [Zone] [Crash] #31 0x000055e444c1ceeb in EQ::EventLoop::Run (this=0x7f22b29ea7a8) at /home/eqemu/code/zone/../common/net/../event/event_loop.h:25
[06-18-2023 16:26:55] [Zone] [Crash] #32 0x000055e444c18b6e in main (argc=1, argv=0x7fff9bd0d568) at /home/eqemu/code/zone/main.cpp:591
[06-18-2023 16:26:55] [Zone] [Crash] [Inferior 1 (process 802540) detached]
```

```txt
[06-18-2023 16:29:51] [Zone] [Crash] [New LWP 819434]
[06-18-2023 16:29:51] [Zone] [Crash] [New LWP 819436]
[06-18-2023 16:29:51] [Zone] [Crash] [New LWP 819438]
[06-18-2023 16:29:51] [Zone] [Crash] [New LWP 819440]
[06-18-2023 16:29:51] [Zone] [Crash] [Thread debugging using libthread_db enabled]
[06-18-2023 16:29:51] [Zone] [Crash] Using host libthread_db library "/lib/x86_64-linux-gnu/libthread_db.so.1".
[06-18-2023 16:29:51] [Zone] [Crash] 0x00007f489d185207 in __GI___wait4 (pid=819646, stat_loc=0x0, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27
[06-18-2023 16:29:51] [Zone] [Crash] [Current thread is 1 (Thread 0x7f489d05bb00 (LWP 819417))]
[06-18-2023 16:29:51] [Zone] [Crash] #0  0x00007f489d185207 in __GI___wait4 (pid=819646, stat_loc=0x0, options=0, usage=0x0) at ../sysdeps/unix/sysv/linux/wait4.c:27
[06-18-2023 16:29:51] [Zone] [Crash] #1  0x000055d58e442b6e in print_trace () at /home/eqemu/code/common/crash.cpp:281
[06-18-2023 16:29:51] [Zone] [Crash] #2  <signal handler called>
[06-18-2023 16:29:51] [Zone] [Crash] #3  __GI_raise (sig=sig@entry=6) at ../sysdeps/unix/sysv/linux/raise.c:50
[06-18-2023 16:29:51] [Zone] [Crash] #4  0x00007f489d0df537 in __GI_abort () at abort.c:79
[06-18-2023 16:29:51] [Zone] [Crash] #5  0x00007f489d4777ec in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
[06-18-2023 16:29:51] [Zone] [Crash] #6  0x00007f489d482966 in ?? () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
[06-18-2023 16:29:51] [Zone] [Crash] #7  0x00007f489d4829d1 in std::terminate() () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
[06-18-2023 16:29:51] [Zone] [Crash] #8  0x00007f489d482c65 in __cxa_throw () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
[06-18-2023 16:29:51] [Zone] [Crash] #9  0x00007f489d479faa in std::__throw_logic_error(char const*) () from /usr/lib/x86_64-linux-gnu/libstdc++.so.6
[06-18-2023 16:29:51] [Zone] [Crash] #10 0x000055d58d4a2b48 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char const*> (this=0x7ffdbbca2500, __beg=0x0, __end=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>) at /usr/include/c++/10/bits/basic_string.tcc:212
[06-18-2023 16:29:51] [Zone] [Crash] #11 0x000055d58d499d09 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct_aux<char const*> (this=0x7ffdbbca2500, __beg=0x0, __end=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>) at /usr/include/c++/10/bits/basic_string.h:247
[06-18-2023 16:29:51] [Zone] [Crash] #12 0x000055d58d48f977 in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::_M_construct<char const*> (this=0x7ffdbbca2500, __beg=0x0, __end=0xffffffffffffffff <error: Cannot access memory at address 0xffffffffffffffff>) at /usr/include/c++/10/bits/basic_string.h:266
[06-18-2023 16:29:51] [Zone] [Crash] #13 0x000055d58d4853ef in std::__cxx11::basic_string<char, std::char_traits<char>, std::allocator<char> >::basic_string<std::allocator<char> > (this=0x7ffdbbca2500, __s=0x0, __a=...) at /usr/include/c++/10/bits/basic_string.h:527
[06-18-2023 16:29:51] [Zone] [Crash] #14 0x000055d58d7d29df in command_npcedit (c=0x55d59219f080, sep=0x7ffdbbca5900) at /home/eqemu/code/zone/gm_commands/npcedit.cpp:540
[06-18-2023 16:29:51] [Zone] [Crash] #15 0x000055d58d76e039 in command_realdispatch (c=0x55d59219f080, message="#npcedit weapon 1", ignore_status=false) at /home/eqemu/code/zone/command.cpp:602
[06-18-2023 16:29:51] [Zone] [Crash] #16 0x000055d58d63c3d3 in Client::ChannelMessageReceived (this=0x55d59219f080, chan_num=8 '\b', language=0 '\000', lang_skill=100 'd', orig_message=0x55d591b59b44 "#npcedit weapon 1", targetname=0x55d591b59ab0 "a_whiskered_bat002", is_silent=false) at /home/eqemu/code/zone/client.cpp:1122
[06-18-2023 16:29:51] [Zone] [Crash] #17 0x000055d58d6e0597 in Client::Handle_OP_ChannelMessage (this=0x55d59219f080, app=0x55d592711c60) at /home/eqemu/code/zone/client_packet.cpp:4478
[06-18-2023 16:29:51] [Zone] [Crash] #18 0x000055d58d6c85d2 in Client::HandlePacket (this=0x55d59219f080, app=0x55d592711c60) at /home/eqemu/code/zone/client_packet.cpp:495
[06-18-2023 16:29:51] [Zone] [Crash] #19 0x000055d58d743add in Client::Process (this=0x55d59219f080) at /home/eqemu/code/zone/client_process.cpp:587
[06-18-2023 16:29:51] [Zone] [Crash] #20 0x000055d58d9b9f12 in EntityList::MobProcess (this=0x55d58f07c7c0 <entity_list>) at /home/eqemu/code/zone/entity.cpp:510
[06-18-2023 16:29:51] [Zone] [Crash] #21 0x000055d58dea09b0 in operator() (__closure=0x55d591a07f10, t=0x7ffdbbca8380) at /home/eqemu/code/zone/main.cpp:562
[06-18-2023 16:29:51] [Zone] [Crash] #22 0x000055d58dea5fd2 in std::__invoke_impl<void, main(int, char**)::<lambda(EQ::Timer*)>&, EQ::Timer*>(std::__invoke_other, struct {...} &) (__f=...) at /usr/include/c++/10/bits/invoke.h:60
[06-18-2023 16:29:51] [Zone] [Crash] #23 0x000055d58dea5da1 in std::__invoke_r<void, main(int, char**)::<lambda(EQ::Timer*)>&, EQ::Timer*>(struct {...} &) (__fn=...) at /usr/include/c++/10/bits/invoke.h:110
[06-18-2023 16:29:51] [Zone] [Crash] #24 0x000055d58dea5ac8 in std::_Function_handler<void(EQ::Timer*), main(int, char**)::<lambda(EQ::Timer*)> >::_M_invoke(const std::_Any_data &, EQ::Timer *&&) (__functor=..., __args#0=@0x7ffdbbca7d80: 0x7ffdbbca8380) at /usr/include/c++/10/bits/std_function.h:291
[06-18-2023 16:29:51] [Zone] [Crash] #25 0x000055d58deab4c5 in std::function<void (EQ::Timer*)>::operator()(EQ::Timer*) const (this=0x7ffdbbca8388, __args#0=0x7ffdbbca8380) at /usr/include/c++/10/bits/std_function.h:622
[06-18-2023 16:29:51] [Zone] [Crash] #26 0x000055d58dea9265 in EQ::Timer::Execute (this=0x7ffdbbca8380) at /home/eqemu/code/zone/../common/net/../event/timer.h:61
[06-18-2023 16:29:51] [Zone] [Crash] #27 0x000055d58dea9023 in EQ::Timer::Start(unsigned long, bool)::{lambda(uv_timer_s*)#1}::operator()(uv_timer_s*) const (__closure=0x0, handle=0x55d590f6a610) at /home/eqemu/code/zone/../common/net/../event/timer.h:38
[06-18-2023 16:29:51] [Zone] [Crash] #28 0x000055d58dea9043 in EQ::Timer::Start(unsigned long, bool)::{lambda(uv_timer_s*)#1}::_FUN(uv_timer_s*) () at /home/eqemu/code/zone/../common/net/../event/timer.h:39
[06-18-2023 16:29:51] [Zone] [Crash] #29 0x000055d58e73bb5d in uv__run_timers (loop=loop@entry=0x7f489d05b7a8) at /home/eqemu/code/submodules/libuv/src/timer.c:178
[06-18-2023 16:29:51] [Zone] [Crash] #30 0x000055d58e73f182 in uv_run (loop=0x7f489d05b7a8, mode=UV_RUN_DEFAULT) at /home/eqemu/code/submodules/libuv/src/unix/core.c:393
[06-18-2023 16:29:51] [Zone] [Crash] #31 0x000055d58dea8eeb in EQ::EventLoop::Run (this=0x7f489d05b7a8) at /home/eqemu/code/zone/../common/net/../event/event_loop.h:25
[06-18-2023 16:29:51] [Zone] [Crash] #32 0x000055d58dea4b6e in main (argc=1, argv=0x7ffdbbca9448) at /home/eqemu/code/zone/main.cpp:591
[06-18-2023 16:29:51] [Zone] [Crash] [Inferior 1 (process 819417) detached]
```
2023-06-19 01:32:36 -05:00
2019-10-13 18:49:16 -07:00
2018-08-04 15:26:21 -04:00
2013-02-16 15:00:23 -08:00
2019-05-17 00:18:32 -07:00
2023-06-18 15:38:50 -05:00
2021-09-09 09:52:26 -05:00
2023-06-18 15:38:50 -05:00
2019-08-15 20:21:09 -05:00

EQEmulator Core Server

Drone (Linux x64) Drone (Windows x64)
Build Status Build Status

EQEmulator is a custom completely from-scratch open source server implementation for EverQuest built mostly on C++

  • MySQL/MariaDB is used as the database engine (over 200+ tables)
  • Perl and LUA are both supported scripting languages for NPC/Player/Quest oriented events
  • Open source database (Project EQ) has content up to expansion OoW (included in server installs)
  • Game server environments and databases can be heavily customized to create all new experiences
  • Hundreds of Quests/events created and maintained by Project EQ

Server Installs

Windows Linux
Install Count Windows Install Count Linux Install Count

> Windows

> Debian/Ubuntu/CentOS/Fedora

  • Install Guide

  • You can use curl or wget to kick off the installer (whichever your OS has)

curl -O https://raw.githubusercontent.com/EQEmu/Server/master/utils/scripts/linux_installer/install.sh install.sh && chmod 755 install.sh && ./install.sh

wget --no-check-certificate https://raw.githubusercontent.com/EQEmu/Server/master/utils/scripts/linux_installer/install.sh -O install.sh && chmod 755 install.sh && ./install.sh

Supported Clients

Titanium Edition Secrets of Faydwer Seeds of Destruction Underfoot Rain of Fear

Bug Reports

  • Please use the issue tracker provided by GitHub to send us bug reports or feature requests.
  • The EQEmu Forums are also a place to submit and get help with bugs.

Contributions

  • The preferred way to contribute is to fork the repo and submit a pull request on GitHub. If you need help with your changes, you can always post on the forums or try Discord. You can also post unified diffs (git diff should do the trick) on the Server Code Submissions forum, although pull requests will be much quicker and easier on all parties.

Contact

Resources

Other License Info

  • The server code and utilities are released under GPLv3
  • We also include some small libraries for convienence that may be under different licensing
    • SocketLib - GPL LibXML
    • zlib - zlib license
    • MariaDB/MySQL - GPL
    • GPL Perl - GPL / ActiveState (under the assumption that this is a free project)
    • CPPUnit - GLP StringUtilities - Apache
    • LUA - MIT

Contributors

Description
Languages
C++ 89.6%
C 6.4%
C# 2%
CMake 0.6%
Python 0.5%
Other 0.8%