LunaHook-mirror/LunaHook/engine32/Live.cpp
2024-02-07 20:59:24 +08:00

50 lines
1.4 KiB
C++

#include"Live.h"
bool InsertLiveDynamicHook(LPVOID addr, DWORD frame, DWORD stack)
{
if (addr != ::GetGlyphOutlineA || !frame)
return false;
DWORD k = *(DWORD *)frame;
k = *(DWORD *)(k + 4);
if (*(BYTE *)(k - 5) != 0xe8)
k = *(DWORD *)(frame + 4);
DWORD j = k + *(DWORD *)(k - 4);
if (j > processStartAddress && j < processStopAddress) {
HookParam hp;
hp.address = j;
hp.offset = get_reg(regs::edx);
hp.type = CODEC_ANSI_BE;
ConsoleOutput("INSERT DynamicLive");
return NewHook(hp, "Live");
//RegisterEngineType(ENGINE_LIVE);
}
ConsoleOutput("DynamicLive: failed");
return true; // jichi 12/25/2013: return true
}
//void InsertLiveHook()
//{
// ConsoleOutput("Probably Live. Wait for text.");
// trigger_fun=InsertLiveDynamicHook;
// SwitchTrigger(true);
//}
bool InsertLiveHook()
{
const BYTE ins[] = {0x64,0x89,0x20,0x8b,0x45,0x0c,0x50};
ULONG addr = MemDbg::findBytes(ins, sizeof(ins), processStartAddress, processStopAddress);
if (!addr) {
ConsoleOutput("Live: pattern not found");
return false;
}
HookParam hp;
hp.address = addr;
hp.offset = get_reg(regs::edx);
hp.type = CODEC_ANSI_BE;
ConsoleOutput("INSERT Live");
return NewHook(hp, "Live");
//RegisterEngineType(ENGINE_LIVE);
//else ConsoleOutput("Unknown Live engine");
}
bool Live::attach_function() {
return InsertLiveHook();
}