svn -> git Migration

2026-08-29 12:47:54 +00:00 · 2013-02-16 16:14:39 -08:00
parent 88c9715fb0
commit da7347f76f
1174 changed files with 445622 additions and 0 deletions
@@ -0,0 +1,129 @@
+#include "../common/debug.h"
+#include "ucs.h"
+#include "WorldConfig.h"
+#include "../common/logsys.h"
+#include "../common/logtypes.h"
+#include "../common/md5.h"
+#include "../common/EmuTCPConnection.h"
+#include "../common/packet_dump.h"
+
+UCSConnection::UCSConnection()
+{
+	Stream = 0;
+	authenticated = false;
+}
+
+void UCSConnection::SetConnection(EmuTCPConnection *inStream)
+{
+	if(Stream)
+	{
+		_log(UCS__ERROR, "Incoming UCS Connection while we were already connected to a UCS.");
+		Stream->Disconnect();
+	}
+	
+	Stream = inStream;
+
+	authenticated = false;
+}
+
+bool UCSConnection::Process()
+{
+	if (!Stream || !Stream->Connected())
+		return false;
+	
+	ServerPacket *pack = 0;
+
+	while((pack = Stream->PopPacket()))
+	{
+		if (!authenticated)
+		{
+			if (WorldConfig::get()->SharedKey.length() > 0)
+			{
+				if (pack->opcode == ServerOP_ZAAuth && pack->size == 16)
+				{
+					uint8 tmppass[16];
+
+					MD5::Generate((const uchar*) WorldConfig::get()->SharedKey.c_str(), WorldConfig::get()->SharedKey.length(), tmppass);
+		
+					if (memcmp(pack->pBuffer, tmppass, 16) == 0)
+						authenticated = true;
+					else
+					{
+						struct in_addr  in;
+						in.s_addr = GetIP();
+						_log(UCS__ERROR, "UCS authorization failed.");
+						ServerPacket* pack = new ServerPacket(ServerOP_ZAAuthFailed);
+						SendPacket(pack);
+						delete pack;
+						Disconnect();
+						return false;
+					}
+				}
+				else
+				{
+					struct in_addr  in;
+					in.s_addr = GetIP();
+					_log(UCS__ERROR, "UCS authorization failed.");
+					ServerPacket* pack = new ServerPacket(ServerOP_ZAAuthFailed);
+					SendPacket(pack);
+					delete pack;
+					Disconnect();
+					return false;
+				}
+			}
+			else
+			{
+				_log(UCS__ERROR,"**WARNING** You have not configured a world shared key in your config file. You should add a <key>STRING</key> element to your <world> element to prevent unauthroized zone access.");
+				authenticated = true;
+			}
+			delete pack;
+			continue;
+		}
+		switch(pack->opcode)
+		{
+			case 0:
+				break;
+
+			case ServerOP_KeepAlive:
+			{
+				// ignore this
+				break;
+			}
+			case ServerOP_ZAAuth:
+			{
+				_log(UCS__ERROR, "Got authentication from UCS when they are already authenticated.");
+				break;
+			}
+			default:
+			{
+				_log(UCS__ERROR, "Unknown ServerOPcode from UCS 0x%04x, size %d", pack->opcode, pack->size);
+				DumpPacket(pack->pBuffer, pack->size);
+				break;
+			}
+		}
+
+		delete pack;
+	}
+	return(true);
+}
+
+bool UCSConnection::SendPacket(ServerPacket* pack)
+{
+	if(!Stream)
+		return false;
+
+	return Stream->SendPacket(pack);
+}
+
+void UCSConnection::SendMessage(const char *From, const char *Message)
+{
+	ServerPacket* pack = new ServerPacket(ServerOP_UCSMessage, strlen(From) + strlen(Message) + 2);
+
+	char *Buffer = (char *)pack->pBuffer;
+
+	VARSTRUCT_ENCODE_STRING(Buffer, From);
+	VARSTRUCT_ENCODE_STRING(Buffer, Message);
+
+	SendPacket(pack);
+	safe_delete(pack);
+}