LunaHook-mirror/LunaHook/engine32/Retouch.cpp
2024-04-13 18:31:19 +08:00

108 lines
3.8 KiB
C++
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#include"Retouch.h"
// jichi 6/21/2015
namespace { // unnamed
void SpecialHookRetouch1(hook_stack* stack, HookParam *, uintptr_t *data, uintptr_t *split, size_t*len)
{
DWORD text = stack->stack[1];
*data = text;
*len = ::strlen((LPCSTR)text);
*split =
stack->eax == 0 ? FIXED_SPLIT_VALUE * 2 : // name
stack->ebx == 0 ? FIXED_SPLIT_VALUE * 1 : // scenario
stack->eax;//FIXED_SPLIT_VALUE * 3 ; // other //夏への方舟1体験版
}
bool InsertRetouch1Hook()
{
HMODULE hModule = ::GetModuleHandleA("resident.dll");
if (!hModule) {
ConsoleOutput("Retouch: failed, dll handle not loaded");
return false;
}
// private: bool __thiscall RetouchPrintManager::printSub(char const *,class UxPrintData &,unsigned long) 0x10050650 0x00050650 2904 (0xb58) resident.dll C:\Local\箱庭ロジヂ<E382B8>\resident.dll Exported Function
const char *sig = "?printSub@RetouchPrintManager@@AAE_NPBDAAVUxPrintData@@K@Z";
DWORD addr = (DWORD)::GetProcAddress(hModule, sig);
if (!addr) {
ConsoleOutput("Retouch: failed, procedure not found");
return false;
}
HookParam hp;
hp.address = addr;
hp.offset=get_stack(1);
hp.type = USING_STRING|NO_CONTEXT|EMBED_ABLE|EMBED_AFTER_NEW|EMBED_BEFORE_SIMPLE|EMBED_DYNA_SJIS;
hp.hook_font=F_GetGlyphOutlineA;
hp.text_fun = SpecialHookRetouch1;
ConsoleOutput("INSERT Retouch");
return NewHook(hp, "Retouch");
}
bool InsertRetouch2Hook()
{
HMODULE hModule = ::GetModuleHandleA("resident.dll");
if (!hModule) {
ConsoleOutput("Retouch2: failed, dll handle not loaded");
return false;
}
// private: void __thiscall RetouchPrintManager::printSub(char const *,unsigned long,int &,int &) 0x10046560 0x00046560 2902 (0xb56) resident.dll C:\Local\箱庭ロジヂ<E382B8>\resident.dll Exported Function
const char *sig = "?printSub@RetouchPrintManager@@AAEXPBDKAAH1@Z";
DWORD addr = (DWORD)::GetProcAddress(hModule, sig);
if (!addr) {
ConsoleOutput("Retouch2: failed, procedure not found");
return false;
}
HookParam hp;
hp.address = addr;
hp.offset=get_stack(1);
hp.type = USING_STRING|NO_CONTEXT|EMBED_ABLE|EMBED_AFTER_NEW|EMBED_BEFORE_SIMPLE|EMBED_DYNA_SJIS;
hp.hook_font=F_GetGlyphOutlineA;
ConsoleOutput("INSERT Retouch");
return NewHook(hp, "Retouch");
}
namespace HistoryHook {
inline ULONG get_jmp_absaddr(ULONG inst)
{ return inst + 5 + *(ULONG *)(inst + 1); }
bool attach() // attach scenario
{
if(GetModuleHandle(L"resident.dll")==0)return false;
auto [startAddress, stopAddress] = Util::QueryModuleLimits(GetModuleHandle(L"resident.dll"));
const uint8_t bytes[] = {
0x8b,0x44,0x24, 0x04, // 051cf2e0 8b4424 04 mov eax,dword ptr ss:[esp+0x4]
0x6a, 0x02, // 051cf2e4 6a 02 push 0x2
0x6a, 0x00, // 051cf2e6 6a 00 push 0x0
0x6a, 0x00, // 051cf2e8 6a 00 push 0x0
0x6a, 0x00, // 051cf2ea 6a 00 push 0x0
0x50, // 051cf2ec 50 push eax
0xe8 //9ef8ffff // 051cf2ed e8 9ef8ffff call _1locke2.051ceb90
// 051cf2f2 c2 0400 retn 0x4
};
auto addr = MemDbg::findBytes(bytes, sizeof(bytes), startAddress, stopAddress);
if (!addr)
return false;
addr += sizeof(bytes) - 1; // move to the short call instruction
addr = get_jmp_absaddr(addr);
HookParam hp;
hp.address = addr;
hp.offset=get_stack(1);
hp.type = USING_STRING|NO_CONTEXT|EMBED_ABLE|EMBED_AFTER_NEW|EMBED_BEFORE_SIMPLE|EMBED_DYNA_SJIS;
hp.hook_font=F_GetGlyphOutlineA;
return NewHook(hp, "RetouchHistory");
}
} // namespace HistoryHook
} // unnamed namespace
bool InsertRetouchHook()
{
bool ok = InsertRetouch1Hook();
ok = InsertRetouch2Hook() || ok;
ok=HistoryHook::attach()||ok;
return ok;
}
bool Retouch::attach_function() {
return InsertRetouchHook();
}