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3736d71bb1
This ConVar governs the use of encryption on game packets. Also removed 'net_toggletrace' ConCommand and added 'net_tracePayload' ConVar as we can no longer hook on-demand as we bound the encryption parameter of the function to a ConVar.
93 lines
6.5 KiB
C++
93 lines
6.5 KiB
C++
#pragma once
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#ifndef NETCONSOLE
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#include "engine/net_chan.h"
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#define MAX_STREAMS 2
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#define FRAGMENT_BITS 8
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#define FRAGMENT_SIZE (1<<FRAGMENT_BITS)
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/* ==== CNETCHAN ======================================================================================================================================================== */
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inline CMemory p_NET_Init;
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inline auto v_NET_Init = p_NET_Init.RCast<void* (*)(char a1)>();
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inline CMemory p_NET_Shutdown;
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inline auto v_NET_Shutdown = p_NET_Shutdown.RCast<void (*)(void* thisptr, const char* szReason, uint8_t a3, bool bRemoveNow)>();
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inline CMemory p_NET_SetKey;
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inline auto v_NET_SetKey = p_NET_SetKey.RCast<void (*)(uintptr_t pKey, const char* szHash)>();
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inline CMemory p_NET_ReceiveDatagram;
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inline auto v_NET_ReceiveDatagram = p_NET_ReceiveDatagram.RCast<bool (*)(int iSocket, netpacket_s* pInpacket, bool bRaw)>();
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inline CMemory p_NET_SendDatagram;
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inline auto v_NET_SendDatagram = p_NET_SendDatagram.RCast<int (*)(SOCKET s, void* pPayload, int iLenght, v_netadr_t* pAdr, bool bEncrypted)>();
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inline CMemory p_NET_PrintFunc;
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inline auto v_NET_PrintFunc = p_NET_PrintFunc.RCast<void(*)(const char* fmt)>();
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///////////////////////////////////////////////////////////////////////////////
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bool NET_ReceiveDatagram(int iSocket, netpacket_s* pInpacket, bool bRaw);
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int NET_SendDatagram(SOCKET s, void* pPayload, int iLenght, v_netadr_t* pAdr, bool bEncrypted);
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void NET_SetKey(const string& svNetKey);
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void NET_GenerateKey();
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void NET_PrintFunc(const char* fmt, ...);
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void NET_Shutdown(void* thisptr, const char* szReason, uint8_t a1, bool bRemoveNow);
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void NET_DisconnectClient(CBaseClient* pClient, int nIndex, const char* szReason, uint8_t unk1, bool bRemoveNow);
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void NET_Attach();
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void NET_Detach();
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///////////////////////////////////////////////////////////////////////////////
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extern string g_szNetKey;
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extern uintptr_t g_pNetKey;
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///////////////////////////////////////////////////////////////////////////////
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class HNetChan : public IDetour
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{
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virtual void GetAdr(void) const
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{
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std::cout << "| FUN: NET_Init : 0x" << std::hex << std::uppercase << p_NET_Init.GetPtr() << std::setw(nPad) << " |" << std::endl;
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std::cout << "| FUN: NET_Shutdown : 0x" << std::hex << std::uppercase << p_NET_Shutdown.GetPtr() << std::setw(nPad) << " |" << std::endl;
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std::cout << "| FUN: NET_SetKey : 0x" << std::hex << std::uppercase << p_NET_SetKey.GetPtr() << std::setw(nPad) << " |" << std::endl;
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std::cout << "| FUN: NET_ReceiveDatagram : 0x" << std::hex << std::uppercase << p_NET_ReceiveDatagram.GetPtr() << std::setw(nPad) << " |" << std::endl;
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std::cout << "| FUN: NET_SendDatagram : 0x" << std::hex << std::uppercase << p_NET_SendDatagram.GetPtr() << std::setw(nPad) << " |" << std::endl;
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std::cout << "| FUN: NET_PrintFunc : 0x" << std::hex << std::uppercase << p_NET_PrintFunc.GetPtr() << std::setw(nPad) << " |" << std::endl;
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std::cout << "| VAR: g_pNetKey : 0x" << std::hex << std::uppercase << g_pNetKey << std::setw(nPad) << " |" << std::endl;
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std::cout << "+----------------------------------------------------------------+" << std::endl;
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}
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virtual void GetFun(void) const
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{
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#if defined (GAMEDLL_S0) || defined (GAMEDLL_S1) || defined (GAMEDLL_S2)
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p_NET_Init = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x5C\x24\x08\x48\x89\x6C\x24\x10\x48\x89\x74\x24\x18\x48\x89\x7C\x24\x20\x41\x54\x41\x56\x41\x57\x48\x81\xEC\xC0\x01\x00"), "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
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p_NET_Shutdown = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x6C\x24\x18\x56\x57\x41\x56\x48\x83\xEC\x30\x83\xB9\xD8"), "xxxxxxxxxxxxxxxx");
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#elif defined (GAMEDLL_S3)
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p_NET_Init = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x5C\x24\x08\x48\x89\x6C\x24\x10\x48\x89\x74\x24\x18\x48\x89\x7C\x24\x20\x41\x54\x41\x56\x41\x57\x48\x81\xEC\xF0\x01\x00"), "xxxxxxxxxxxxxxxxxxxxxxxxxxxxxxxx");
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p_NET_Shutdown = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x6C\x24\x18\x56\x57\x41\x56\x48\x83\xEC\x30\x83\xB9\xD0"), "xxxxxxxxxxxxxxxx");
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#endif
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p_NET_SetKey = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x5C\x24\x08\x48\x89\x6C\x24\x10\x48\x89\x74\x24\x18\x57\x48\x83\xEC\x20\x48\x8B\xF9\x41\xB8"), "xxxxxxxxxxxxxxxxxxxxxxxxx");
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p_NET_ReceiveDatagram = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x74\x24\x18\x48\x89\x7C\x24\x20\x55\x41\x54\x41\x55\x41\x56\x41\x57\x48\x8D\xAC\x24\x50\xEB"), "xxxxxxxxxxxxxxxxxxxxxxxxx");
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p_NET_SendDatagram = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x5C\x24\x08\x48\x89\x6C\x24\x10\x48\x89\x74\x24\x18\x57\x41\x56\x41\x57\x48\x81\xEC\x00\x05\x00\x00"), "xxxxxxxxxxxxxxxxxxxxxxx?xxx");
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p_NET_PrintFunc = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x89\x54\x24\x10\x4C\x89\x44\x24\x18\x4C\x89\x4C\x24\x20\xC3\x48"), "xxxxxxxxxxxxxxxxx");
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v_NET_Init = p_NET_Init.RCast<void* (*)(char)>(); /*48 89 5C 24 08 48 89 6C 24 10 48 89 74 24 18 48 89 7C 24 20 41 54 41 56 41 57 48 81 EC F0 01 00*/
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v_NET_Shutdown = p_NET_Shutdown.RCast<void (*)(void*, const char*, uint8_t, bool)>(); /*48 89 6C 24 18 56 57 41 56 48 83 EC 30 83 B9 D0*/
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v_NET_SetKey = p_NET_SetKey.RCast<void (*)(uintptr_t, const char*)>(); /*48 89 5C 24 08 48 89 6C 24 10 48 89 74 24 18 57 48 83 EC 20 48 8B F9 41 B8*/
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v_NET_ReceiveDatagram = p_NET_ReceiveDatagram.RCast<bool (*)(int, netpacket_s*, bool)>(); /*E8 ?? ?? ?? ?? 84 C0 75 35 48 8B D3*/
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v_NET_SendDatagram = p_NET_SendDatagram.RCast<int (*)(SOCKET, void*, int, v_netadr_t*, bool)>(); /*48 89 5C 24 08 48 89 6C 24 10 48 89 74 24 18 57 41 56 41 57 48 81 EC ?? 05 00 00*/
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v_NET_PrintFunc = p_NET_PrintFunc.RCast<void(*)(const char*)>(); /*48 89 54 24 10 4C 89 44 24 18 4C 89 4C 24 20 C3 48*/
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}
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virtual void GetVar(void) const
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{
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g_pNetKey = g_mGameDll.FindString("client:NetEncryption_NewKey").FindPatternSelf("48 8D ? ? ? ? ? 48 3B", CMemory::Direction::UP, 300).ResolveRelativeAddressSelf(0x3, 0x7).GetPtr();
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}
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virtual void GetCon(void) const { }
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virtual void Attach(void) const { }
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virtual void Detach(void) const { }
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};
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///////////////////////////////////////////////////////////////////////////////
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REGISTER(HNetChan);
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#endif // !NETCONSOLE
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const char* NET_ErrorString(int iCode);
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