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

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#include"Bruns.h"
bool InsertBrunsHook()
{
bool success=false;
if (Util::CheckFile(L"libscr.dll")) {
HookParam hp;
hp.offset=get_stack(1);
hp.type = CODEC_UTF16;
//?push_back@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEXG@Z
if (Util::CheckFile(L"msvcp90.dll"))
hp.address = (DWORD)GetProcAddress(GetModuleHandleW(L"msvcp90.dll"), "?push_back@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEXG@Z");
else if (Util::CheckFile(L"msvcp80.dll"))
hp.address = (DWORD)GetProcAddress(GetModuleHandleW(L"msvcp80.dll"), "?push_back@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEXG@Z");
else if (Util::CheckFile(L"msvcp100.dll")) // jichi 8/17/2013: MSVCRT 10.0 and 11.0
hp.address = (DWORD)GetProcAddress(GetModuleHandleW(L"msvcp100.dll"), "?push_back@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEXG@Z");
else if (Util::CheckFile(L"msvcp110.dll"))
hp.address = (DWORD)GetProcAddress(GetModuleHandleW(L"msvcp110.dll"), "?push_back@?$basic_string@GU?$char_traits@G@std@@V?$allocator@G@2@@std@@QAEXG@Z");
if (hp.address) {
ConsoleOutput("INSERT Brus#1");
success|=NewHook(hp, "Bruns");
}
}
//else
// jichi 12/21/2013: Keep both bruns hooks
// The first one does not work for games like 「オーク・キングダマモン娘繁殖<E7B981>豚人王<E78E8B>anymore.
{
union {
DWORD i;
DWORD *id;
WORD *iw;
BYTE *ib;
};
DWORD k = processStopAddress - 4;
for (i = processStartAddress + 0x1000; i < k; i++) {
if (*id != 0xff) //cmp reg,0xff
continue;
i += 4;
if (*iw != 0x8f0f)
continue;//jg
i += 2;
i += *id + 4;
for (DWORD j = i + 0x40; i < j; i++) {
if (*ib != 0xe8)
continue;
i++;
DWORD t = i + 4 + *id;
if (t > processStartAddress && t <processStopAddress) {
i = t;
for (j = i + 0x80; i < j; i++) {
if (*ib != 0xe8)
continue;
i++;
t = i + 4 + *id;
if (t > processStartAddress && t <processStopAddress) {
HookParam hp;
hp.address = t;
hp.offset=get_stack(1);
hp.type = CODEC_UTF16|DATA_INDIRECT;
ConsoleOutput("INSERT Brus#2");
return NewHook(hp, "Bruns2");
}
}
k = i; //Terminate outer loop.
break; //Terminate inner loop.
}
}
}
}
//ConsoleOutput("Unknown Bruns engine.");
ConsoleOutput("Brus: failed");
return success;
}
bool Bruns::attach_function() {
return InsertBrunsHook();
}