mirror of
https://github.com/Mauler125/r5sdk.git
synced 2025-02-09 19:15:03 +01:00
SVC_Print::Process will print the server message to console now.
* Added new function to CMemory allowing you to hook a virtual method from a virtual method table. * Added SVC_Print Class * Hooked SVC_Print::Process and print the messages the server sends. *!! Still needs verification for earlier seasons.
This commit is contained in:
PixieCore
parent
6ff10228ee
commit
867072e814
33
r5dev/common/netmessages.cpp
Normal file
33
r5dev/common/netmessages.cpp
Normal file
@ -0,0 +1,33 @@
|
||||
//===============================================================================//
|
||||
//
|
||||
// Purpose:
|
||||
//
|
||||
// $NoKeywords: $
|
||||
//
|
||||
//===============================================================================//
|
||||
// netmessages.cpp: implementation of the CNetMessage types.
|
||||
//
|
||||
///////////////////////////////////////////////////////////////////////////////////
|
||||
#include "core/stdafx.h"
|
||||
#include "common/netmessages.h"
|
||||
#include "engine/sys_utils.h"
|
||||
|
||||
bool HSVC_Print_Process(SVC_Print* thisptr)
|
||||
{
|
||||
if (thisptr->m_szText)
|
||||
{
|
||||
DevMsg(eDLL_T::SERVER, thisptr->m_szText);
|
||||
}
|
||||
|
||||
return true; // Original just return true also.
|
||||
}
|
||||
|
||||
void CNetMessages_Attach()
|
||||
{
|
||||
CMemory::HookVirtualMethod((uintptr_t)g_pSVC_Print_VTable, (LPVOID)HSVC_Print_Process, (LPVOID*)&SVC_Print_Process, 3);
|
||||
}
|
||||
|
||||
void CNetMessages_Detach()
|
||||
{
|
||||
CMemory::HookVirtualMethod((uintptr_t)g_pSVC_Print_VTable, (LPVOID)p_SVC_Print_Process, (LPVOID*)&SVC_Print_Process, 3);
|
||||
}
|
||||
@ -1,7 +1,8 @@
|
||||
#pragma once
|
||||
|
||||
struct CNetMessage
|
||||
class CNetMessage
|
||||
{
|
||||
public:
|
||||
void* iNetMessageVTable;
|
||||
int m_nGroup;
|
||||
bool m_bReliable;
|
||||
@ -9,6 +10,17 @@ struct CNetMessage
|
||||
void* m_NetChannel;
|
||||
};
|
||||
|
||||
class SVC_Print : CNetMessage
|
||||
{
|
||||
public:
|
||||
void* m_pMessageHandler;
|
||||
char padding[8];
|
||||
const char* m_szText;
|
||||
|
||||
private:
|
||||
char m_szTextBuffer[2048];
|
||||
};
|
||||
|
||||
struct VecNetMessages
|
||||
{
|
||||
CNetMessage** items;
|
||||
@ -32,20 +44,41 @@ struct VecNetDataFragments
|
||||
//-------------------------------------------------------------------------
|
||||
inline CMemory MM_Heartbeat__ToString; // server HeartBeat? (baseserver.cpp).
|
||||
|
||||
//-------------------------------------------------------------------------
|
||||
// SVC_Print
|
||||
//-------------------------------------------------------------------------
|
||||
inline CMemory p_SVC_Print_Process;
|
||||
inline auto SVC_Print_Process = p_SVC_Print_Process.RCast<bool(*)(SVC_Print* thisptr)>();
|
||||
|
||||
inline void* g_pSVC_Print_VTable;
|
||||
|
||||
void CNetMessages_Attach();
|
||||
void CNetMessages_Detach();
|
||||
|
||||
///////////////////////////////////////////////////////////////////////////////
|
||||
class HMM_Heartbeat : public IDetour
|
||||
{
|
||||
virtual void GetAdr(void) const
|
||||
{
|
||||
std::cout << "| FUN: MM_Heartbeat::ToString : 0x" << std::hex << std::uppercase << MM_Heartbeat__ToString.GetPtr() << std::setw(nPad) << " |" << std::endl;
|
||||
std::cout << "| FUN: SVC_Print_Process : 0x" << std::hex << std::uppercase << p_SVC_Print_Process.GetPtr() << std::setw(nPad) << " |" << std::endl;
|
||||
std::cout << "| VAR: SVC_Print_VTable : 0x" << std::hex << std::uppercase << g_pSVC_Print_VTable << std::setw(nPad) << " |" << std::endl;
|
||||
std::cout << "+----------------------------------------------------------------+" << std::endl;
|
||||
}
|
||||
virtual void GetFun(void) const
|
||||
{
|
||||
MM_Heartbeat__ToString = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x83\xEC\x38\xE8\x00\x00\x00\x00\x3B\x05\x00\x00\x00\x00"), "xxxxx????xx????");
|
||||
// 0x1402312A0 // 48 83 EC 38 E8 ? ? ? ? 3B 05 ? ? ? ? //
|
||||
// 0x1402312A0 // 48 83 EC 38 E8 ? ? ? ? 3B 05 ? ? ? ?
|
||||
p_SVC_Print_Process = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x48\x8B\xD1\x48\x8B\x49\x18\x48\x8B\x01\x48\xFF\x60\x28"), "xxxxxxxxxxxxxx");
|
||||
// 0x1402D0810 // 48 8B D1 48 8B 49 18 48 8B 01 48 FF 60 28
|
||||
|
||||
SVC_Print_Process = p_SVC_Print_Process.RCast<bool(*)(SVC_Print*)>();
|
||||
}
|
||||
virtual void GetVar(void) const
|
||||
{
|
||||
// We get the actual address of the vtable here, not the class instance.
|
||||
g_pSVC_Print_VTable = g_mGameDll.FindPatternSIMD(reinterpret_cast<rsig_t>("\x74\x1E\x48\x8D\x05\x00\x00\x00\x00\x89\x5F\x08"), "xxxxx????xxx").OffsetSelf(0x2).ResolveRelativeAddressSelf(0x3, 0x7);
|
||||
}
|
||||
virtual void GetVar(void) const { }
|
||||
virtual void GetCon(void) const { }
|
||||
virtual void Attach(void) const { }
|
||||
virtual void Detach(void) const { }
|
||||
|
||||
@ -165,6 +165,10 @@ void Systems_Init()
|
||||
CHostState_Attach();
|
||||
//CModelLoader_Attach();
|
||||
|
||||
#if !defined(DEDICATED) && defined (GAMEDLL_S3)
|
||||
CNetMessages_Attach(); // S1 and S2 require certification.
|
||||
#endif // !DEDICATED && GAMEDLL_S3
|
||||
|
||||
NET_Attach();
|
||||
ConCommand_Attach();
|
||||
IConVar_Attach();
|
||||
@ -269,6 +273,10 @@ void Systems_Shutdown()
|
||||
CHostState_Detach();
|
||||
//CModelLoader_Detach();
|
||||
|
||||
#if !defined(DEDICATED) && defined (GAMEDLL_S3)
|
||||
CNetMessages_Detach(); // S1 and S2 require certification.
|
||||
#endif // !DEDICATED && GAMEDLL_S3
|
||||
|
||||
NET_Detach();
|
||||
ConCommand_Detach();
|
||||
IConVar_Detach();
|
||||
|
||||
@ -112,6 +112,7 @@ public:
|
||||
CMemory FollowNearCallSelf(ptrdiff_t opcodeOffset = 0x1, ptrdiff_t nextInstructionOffset = 0x5);
|
||||
CMemory ResolveRelativeAddress(ptrdiff_t registerOffset = 0x0, ptrdiff_t nextInstructionOffset = 0x4) const;
|
||||
CMemory ResolveRelativeAddressSelf(ptrdiff_t registerOffset = 0x0, ptrdiff_t nextInstructionOffset = 0x4);
|
||||
static void HookVirtualMethod(uintptr_t virtualTable, void* pHookMethod, void** pOriginalMethod, ptrdiff_t methodIndex);
|
||||
|
||||
private:
|
||||
uintptr_t ptr = 0;
|
||||
|
||||
@ -229,4 +229,35 @@ CMemory CMemory::ResolveRelativeAddressSelf(ptrdiff_t registerOffset, ptrdiff_t
|
||||
// Get function location via adding relative Address to next instruction.
|
||||
ptr = nextInstruction + relativeAddress;
|
||||
return *this;
|
||||
}
|
||||
|
||||
//-----------------------------------------------------------------------------
|
||||
// Purpose: patch virtual method to point to a user set function
|
||||
// Input : virtualTable -
|
||||
// pHookMethod -
|
||||
// methodIndex -
|
||||
// pOriginalMethod -
|
||||
// Output : void** via pOriginalMethod
|
||||
//-----------------------------------------------------------------------------
|
||||
void CMemory::HookVirtualMethod(uintptr_t virtualTable, void* pHookMethod, void** pOriginalMethod, ptrdiff_t methodIndex)
|
||||
{
|
||||
DWORD oldProt = NULL;
|
||||
|
||||
// Calculate delta to next virtual method.
|
||||
uintptr_t virtualMethod = virtualTable + (methodIndex * sizeof(ptrdiff_t));
|
||||
|
||||
// Preserve original function.
|
||||
uintptr_t originalFunction = *reinterpret_cast<uintptr_t*>(virtualMethod);
|
||||
|
||||
// Set page for current virtual method to execute n read n write.
|
||||
VirtualProtect(reinterpret_cast<void*>(virtualMethod), sizeof(virtualMethod), PAGE_EXECUTE_READWRITE, &oldProt);
|
||||
|
||||
// Set virtual method to our hook.
|
||||
*reinterpret_cast<uintptr_t*>(virtualMethod) = reinterpret_cast<uintptr_t>(pHookMethod);
|
||||
|
||||
// Restore original page.
|
||||
VirtualProtect(reinterpret_cast<void*>(virtualMethod), sizeof(virtualMethod), oldProt, &oldProt);
|
||||
|
||||
// Move original function into argument.
|
||||
*pOriginalMethod = reinterpret_cast<void*>(originalFunction);
|
||||
}
|
||||
@ -14,6 +14,7 @@
|
||||
<ClCompile Include="..\bsplib\bsplib.cpp" />
|
||||
<ClCompile Include="..\client\cdll_engine_int.cpp" />
|
||||
<ClCompile Include="..\client\vengineclient_impl.cpp" />
|
||||
<ClCompile Include="..\common\netmessages.cpp" />
|
||||
<ClCompile Include="..\common\opcodes.cpp" />
|
||||
<ClCompile Include="..\core\dllmain.cpp" />
|
||||
<ClCompile Include="..\core\init.cpp" />
|
||||
|
||||
@ -426,6 +426,9 @@
|
||||
<ClCompile Include="..\windows\resource.cpp">
|
||||
<Filter>windows</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\common\netmessages.cpp">
|
||||
<Filter>sdk\common</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\client\cdll_engine_int.h">
|
||||
|
||||
@ -14,6 +14,7 @@
|
||||
<ClCompile Include="..\bsplib\bsplib.cpp" />
|
||||
<ClCompile Include="..\client\cdll_engine_int.cpp" />
|
||||
<ClCompile Include="..\client\vengineclient_impl.cpp" />
|
||||
<ClCompile Include="..\common\netmessages.cpp" />
|
||||
<ClCompile Include="..\common\opcodes.cpp" />
|
||||
<ClCompile Include="..\core\dllmain.cpp" />
|
||||
<ClCompile Include="..\core\init.cpp" />
|
||||
|
||||
@ -456,6 +456,9 @@
|
||||
<ClCompile Include="..\windows\resource.cpp">
|
||||
<Filter>windows</Filter>
|
||||
</ClCompile>
|
||||
<ClCompile Include="..\common\netmessages.cpp">
|
||||
<Filter>sdk\common</Filter>
|
||||
</ClCompile>
|
||||
</ItemGroup>
|
||||
<ItemGroup>
|
||||
<ClInclude Include="..\client\cdll_engine_int.h">
|
||||
|
||||
Loading…
x
Reference in New Issue
Block a user