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https://github.com/Mauler125/r5sdk.git
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144d5f62e1
Utilize the new IDetour::DetourSetup() code, IDetour::Attach and IDetour::Detach have been removed in favor of this (significantly reduces chance of user error). Since the template check happens in the idetour header, it is much more aggressive on type mismatches, such as a difference in parameter types, between the function and detour, will now raise a compile time error. As a result, some type mismatches have been fixed in this commit as well.
110 lines
6.0 KiB
C++
110 lines
6.0 KiB
C++
#pragma once
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#ifndef NETCONSOLE
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#include "engine/net_chan.h"
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#include "tier1/lzss.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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// user message
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#define MAX_USER_MSG_DATA 511 // <-- 255 in Valve Source.
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#define NETMSG_TYPE_BITS 7 // must be 2^NETMSG_TYPE_BITS > SVC_LASTMSG (6 in Valve Source).
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#define NETMSG_LENGTH_BITS 12 // 512 bytes (11 in Valve Source, 256 bytes).
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#define NET_MIN_MESSAGE 5 // Even connectionless packets require int32 value (-1) + 1 byte content
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constexpr unsigned int AES_128_KEY_SIZE = 16;
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constexpr unsigned int AES_128_B64_ENCODED_SIZE = 24;
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constexpr const char* DEFAULT_NET_ENCRYPTION_KEY = "WDNWLmJYQ2ZlM0VoTid3Yg==";
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/* ==== CNETCHAN ======================================================================================================================================================== */
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inline CMemory p_NET_Init;
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inline void*(*v_NET_Init)(bool bDeveloper);
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inline CMemory p_NET_SetKey;
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inline void(*v_NET_SetKey)(netkey_t* pKey, const char* szHash);
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inline CMemory p_NET_Config;
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inline void(*v_NET_Config)(void);
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inline CMemory p_NET_ReceiveDatagram;
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inline bool(*v_NET_ReceiveDatagram)(int iSocket, netpacket_s* pInpacket, bool bRaw);
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inline CMemory p_NET_SendDatagram;
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inline int(*v_NET_SendDatagram)(SOCKET s, void* pPayload, int iLenght, netadr_t* pAdr, bool bEncrypted);
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inline CMemory p_NET_Decompress;
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inline unsigned int(*v_NET_Decompress)(CLZSS* lzss, unsigned char* pInput, unsigned char* pOutput, unsigned int unBufSize);
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inline CMemory p_NET_PrintFunc;
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inline void(*v_NET_PrintFunc)(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, 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_RemoveChannel(CClient* pClient, int nIndex, const char* szReason, uint8_t bBadRep, bool bRemoveNow);
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bool NET_ReadMessageType(int* outType, bf_read* buffer);
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///////////////////////////////////////////////////////////////////////////////
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extern netadr_t* g_pNetAdr;
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extern netkey_t* g_pNetKey;
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extern double* g_pNetTime;
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///////////////////////////////////////////////////////////////////////////////
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class VNet : public IDetour
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{
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virtual void GetAdr(void) const
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{
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LogFunAdr("NET_Init", p_NET_Init.GetPtr());
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LogFunAdr("NET_Config", p_NET_Config.GetPtr());
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LogFunAdr("NET_SetKey", p_NET_SetKey.GetPtr());
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LogFunAdr("NET_ReceiveDatagram", p_NET_ReceiveDatagram.GetPtr());
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LogFunAdr("NET_SendDatagram", p_NET_SendDatagram.GetPtr());
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LogFunAdr("NET_Decompress", p_NET_Decompress.GetPtr());
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LogFunAdr("NET_PrintFunc", p_NET_PrintFunc.GetPtr());
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LogVarAdr("g_NetAdr", reinterpret_cast<uintptr_t>(g_pNetAdr));
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LogVarAdr("g_NetKey", reinterpret_cast<uintptr_t>(g_pNetKey));
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LogVarAdr("g_NetTime", reinterpret_cast<uintptr_t>(g_pNetTime));
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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_GameDll.FindPatternSIMD("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 C0 01 ??");
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#elif defined (GAMEDLL_S3)
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p_NET_Init = g_GameDll.FindPatternSIMD("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 ??");
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#endif
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p_NET_Config = g_GameDll.FindPatternSIMD("48 81 EC ?? ?? ?? ?? E8 ?? ?? ?? ?? 80 3D ?? ?? ?? ?? ?? 0F 57 C0");
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p_NET_SetKey = g_GameDll.FindPatternSIMD("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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p_NET_ReceiveDatagram = g_GameDll.FindPatternSIMD("48 89 74 24 18 48 89 7C 24 20 55 41 54 41 55 41 56 41 57 48 8D AC 24 50 EB");
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p_NET_SendDatagram = g_GameDll.FindPatternSIMD("48 89 5C 24 08 48 89 6C 24 10 48 89 74 24 18 57 41 56 41 57 48 81 EC ?? 05 ?? ??");
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p_NET_Decompress = g_GameDll.FindPatternSIMD("48 89 5C 24 ?? 48 89 6C 24 ?? 48 89 74 24 ?? 41 56 45 33 F6");
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p_NET_PrintFunc = g_GameDll.FindPatternSIMD("48 89 54 24 10 4C 89 44 24 18 4C 89 4C 24 20 C3 48");
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v_NET_Init = p_NET_Init.RCast<void* (*)(bool)>(); /*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_Config = p_NET_Config.RCast<void (*)(void)>();
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v_NET_SetKey = p_NET_SetKey.RCast<void (*)(netkey_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, 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_Decompress = p_NET_Decompress.RCast<unsigned int (*)(CLZSS*, unsigned char*, unsigned char*, unsigned int)>();
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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_pNetAdr = g_GameDll.FindPatternSIMD("C7 05 ?? ?? ?? ?? ?? ?? ?? ?? 48 89 05 ?? ?? ?? ?? 48 89 05 ?? ?? ?? ?? 66 89 05 ?? ?? ?? ?? 88 05 ?? ?? ?? ?? C3 CC CC CC CC CC CC CC CC 33 C0").ResolveRelativeAddressSelf(0x2, 0xA).RCast<netadr_t*>();
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g_pNetKey = g_GameDll.FindString("client:NetEncryption_NewKey").FindPatternSelf("48 8D ?? ?? ?? ?? ?? 48 3B", CMemory::Direction::UP, 300).ResolveRelativeAddressSelf(0x3, 0x7).RCast<netkey_t*>();
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g_pNetTime = p_NET_Init.Offset(0xA).FindPatternSelf("F2 0F").ResolveRelativeAddressSelf(0x4, 0x8).RCast<double*>();
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}
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virtual void GetCon(void) const { }
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virtual void Detour(const bool bAttach) const;
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};
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///////////////////////////////////////////////////////////////////////////////
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#endif // !NETCONSOLE
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const char* NET_ErrorString(int iCode);
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