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恍兮惚兮 2024-12-12 22:57:40 +08:00
parent 8db9c3d36a
commit a7c4452a9e
1 changed files with 74 additions and 8 deletions
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82
cpp/LunaHook/LunaHook/engine32/CatSystem.cpp
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@ -166,14 +166,11 @@ bool InsertCatSystemHook()
}; // skip two leading 0xcc }; // skip two leading 0xcc
ULONG addr = MemDbg::findCallerAddress((ULONG)::GetTextMetricsA, beg, processStartAddress, processStopAddress); ULONG addr = MemDbg::findCallerAddress((ULONG)::GetTextMetricsA, beg, processStartAddress, processStopAddress);
if (!addr) if (!addr)
{
ConsoleOutput("CatSystem2: pattern not exist");
return false; return false;
}
HookParam hp; HookParam hp;
hp.address = addr + addr_offset; // skip 1 push? hp.address = addr + addr_offset; // skip 1 push?
hp.offset = stackoffset(2); // text character is in arg2 hp.offset = stackoffset(2); // text character is in arg2
// jichi 12/23/2014: Modify split for new catsystem // jichi 12/23/2014: Modify split for new catsystem
bool newEngine = Util::CheckFile(L"cs2conf.dll"); bool newEngine = Util::CheckFile(L"cs2conf.dll");
@ -184,7 +181,6 @@ bool InsertCatSystemHook()
// ConsoleOutput("INSERT CatSystem3"); // ConsoleOutput("INSERT CatSystem3");
hp.type = CODEC_ANSI_BE | USING_SPLIT; hp.type = CODEC_ANSI_BE | USING_SPLIT;
hp.split = regoffset(esi); hp.split = regoffset(esi);
ConsoleOutput("INSERT CatSystem3new");
return NewHook(hp, "CatSystem3new"); return NewHook(hp, "CatSystem3new");
} }
else else
@ -228,9 +224,7 @@ bool InsertCatSystem2Hook()
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR); ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range); ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) if (!addr)
{
return false; return false;
}
HookParam hp; HookParam hp;
hp.address = addr; hp.address = addr;
@ -860,6 +854,78 @@ namespace
} }
} }
} // namespace ScenarioHook } // namespace ScenarioHook
namespace
{
bool cs2()
{
// https://vndb.org/v26537
const uint8_t bytes[] = {/*
.text:0065C10F cmp bx, 20h ; ' '
.text:0065C113 jz loc_65C5A6
.text:0065C119 mov ecx, 8140h
.text:0065C11E cmp bx, cx
.text:0065C121 jnz short loc_65C140
.text:0065C123 jmp loc_65C5A6
.text:0065C128 ; ---------------------------------------------------------------------------
.text:0065C128
.text:0065C128 loc_65C128: ; CODE XREF: sub_65C080+8D↑j
.text:0065C128 cmp bx, 20h ; ' '
.text:0065C12C jz loc_65C5A6
.text:0065C132 mov ecx, 3000h
.text:0065C137 cmp bx, cx
.text:0065C13A jz loc_65C5A6
if ( a9 )
{
if ( a3 == 32 || a3 == 12288 )
return 1;
}
else if ( a3 == 32 || a3 == 0x8140 )
{
return 1;
}
*/
0x66, 0x83, 0xfb, 0x20,
0x0f, 0x84, XX4,
0xB9, 0x40, 0x81, 0x00, 0x00,
0x66, 0x3B, 0xD9,
0x75, XX,
0xe9, XX4,
0x66, 0x83, 0xfb, 0x20,
0x0f, 0x84, XX4,
0xB9, 0x00, 0x30, 0x00, 0x00,
0x66, 0x3B, 0xD9,
0x0f, 0x84, XX4
};
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
if (!addr)
return false;
addr = MemDbg::findEnclosingAlignedFunction(addr);
if (!addr)
return false;
HookParam hp;
hp.address = addr;
hp.type = USING_CHAR;
hp.text_fun = [](hook_context *context, HookParam *hp, TextBuffer *buffer, uintptr_t *split)
{
if (context->stack[8])
{
hp->type |= CODEC_UTF16;
hp->type &= ~CODEC_ANSI_BE;
}
else
{
hp->type |= CODEC_ANSI_BE;
hp->type &= ~CODEC_UTF16;
}
auto c = context->stack[2];
buffer->from_t<wchar_t>(c);
};
return NewHook(hp, "catsystem");
}
}
bool CatSystem::attach_function() bool CatSystem::attach_function()
{ {
HookParamType code = CODEC_ANSI_LE; HookParamType code = CODEC_ANSI_LE;
@ -870,7 +936,7 @@ bool CatSystem::attach_function()
code = CODEC_UTF8; code = CODEC_UTF8;
} }
auto embed = ScenarioHook::attach(processStartAddress, processStopAddress, code); auto embed = ScenarioHook::attach(processStartAddress, processStopAddress, code);
b1 = b1 || cs2();
b1 |= embed; b1 |= embed;
return b1; return b1;
} }