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Prevent dedicated server from writing any files to 'Saved Games' folder

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This commit is contained in:
Kawe Mazidjatari 2022-03-31 23:54:45 +02:00
parent a6b92f8713
commit b85683b6f7
2 changed files with 10 additions and 1 deletions
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5
r5dev/common/opcodes.cpp
View File

@ -270,7 +270,12 @@ void Dedicated_Init()
CL_ClearState.Offset(0x0).Patch({ 0xC3 }); // FUN --> RET | Invalid 'CL_ClearState()' call from Host_Shutdown causing segfault.
}
#endif
//-------------------------------------------------------------------------
// RUNTIME: GAME_CFG
//-------------------------------------------------------------------------
UpdateCurrentVideoConfig.Offset(0x0).Patch({ 0xB8, 0x01, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return early to prevent the server from writing a videoconfig.txt file to the disk (overwriting the existing one).
HandleConfigFile.Offset(0x0).Patch({ 0xB8, 0x01, 0x00, 0x00, 0x00, 0xC3 }); // FUN --> RET | Return early to prevent the server from writing various input and ConVar config files to the disk (overwriting the existing one).
ResetPreviousGameState.Offset(0x0).Patch({ 0xC3 }); // FUN --> RET | Return early to prevent the server from writing a previousgamestate.txt file to the disk (overwriting the existing one).
// This mandatory pak file should only exist on the client.
if (!FileExists("vpk\\client_frontend.bsp.pak000_000.vpk"))

6
r5dev/common/opcodes.h
View File

@ -104,9 +104,11 @@ namespace
ADDRESS Server_S2C_CONNECT_1 = g_mGameDll.FindPatternSIMD((std::uint8_t*)"\x48\x3B\x05\x00\x00\x00\x00\x74\x0C", "xxx????xx");
#endif // !CLIENT_DLL
//-------------------------------------------------------------------------
// RUNTIME: VIDEO_CFG
// RUNTIME: GAME_CFG
//-------------------------------------------------------------------------
ADDRESS UpdateCurrentVideoConfig = g_mGameDll.FindPatternSIMD((std::uint8_t*)"\x40\x55\x00\x41\x56\x48\x8D\xAC\x24\x00\x00\x00\x00\x48\x81\xEC\x00\x00\x00\x00\x48\x8B\x05\x00\x00\x00\x00\x4C\x8B\xF1", "xx?xxxxxx????xxx????xxx????xxx");
ADDRESS HandleConfigFile = g_mGameDll.FindPatternSIMD((std::uint8_t*)"\x40\x56\x48\x81\xEC\x00\x00\x00\x00\x8B\xF1", "xxxxx????xx");
ADDRESS ResetPreviousGameState = g_mGameDll.FindPatternSIMD((std::uint8_t*)"\xE8\x00\x00\x00\x00\x44\x89\x3D\x00\x00\x00\x00\x00\x8B\x00\x24\x00", "x????xxx?????x?x?").ResolveRelativeAddressSelf(0x1, 0x5);
//-------------------------------------------------------------------------
// .RDATA
@ -141,6 +143,8 @@ class HOpcodes : public IDetour
std::cout << "+----------------------------------------------------------------+" << std::endl;
std::cout << "| FUN: Server_S2C_CONNECT_1 : 0x" << std::hex << std::uppercase << Server_S2C_CONNECT_1.GetPtr() << std::setw(npad) << " |" << std::endl;
std::cout << "| FUN: UpdateCurrentVideoConfig : 0x" << std::hex << std::uppercase << UpdateCurrentVideoConfig.GetPtr() << std::setw(npad) << " |" << std::endl;
std::cout << "| FUN: HandleConfigFile : 0x" << std::hex << std::uppercase << HandleConfigFile.GetPtr() << std::setw(npad) << " |" << std::endl;
std::cout << "| FUN: ResetPreviousGameState : 0x" << std::hex << std::uppercase << ResetPreviousGameState.GetPtr() << std::setw(npad) << " |" << std::endl;
std::cout << "+----------------------------------------------------------------+" << std::endl;
std::cout << "| CON: g_pClientVPKDir : 0x" << std::hex << std::uppercase << g_pClientVPKDir.GetPtr() << std::setw(npad) << " |" << std::endl;
std::cout << "| CON: g_pClientBSP : 0x" << std::hex << std::uppercase << g_pClientBSP.GetPtr() << std::setw(npad) << " |" << std::endl;