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恍兮惚兮 2024-09-15 21:37:47 +08:00
parent c68e64538e
commit 4fc9e5232e
1 changed files with 179 additions and 115 deletions
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214
LunaHook/engine32/YukaSystem2.cpp
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@ -1,4 +1,4 @@
#include"YukaSystem2.h"
#include "YukaSystem2.h"
/** jichi 7/6/2014 YukaSystem2
* Sample game: セミラミスの天秤
*
@ -67,26 +67,27 @@
// Though the input string is UTF-8, it should be ASCII compatible.
static bool _yk2garbage(const char *p)
{
//Q_ASSERT(p);
while (char ch = *p++) {
// Q_ASSERT(p);
while (char ch = *p++)
{
if (!(
ch >= '0' && ch <= '9' ||
ch >= 'A' && ch <= 'z' || // also ignore ASCII 91-96: [ \ ] ^ _ `
ch == '"' || ch == '.' || ch == '-' || ch == '#'
))
ch == '"' || ch == '.' || ch == '-' || ch == '#'))
return false;
}
return true;
}
// Get text from arg2
static void SpecialHookYukaSystem2(hook_stack* stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t*len)
static void SpecialHookYukaSystem2(hook_stack *stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t *len)
{
DWORD arg2 = stack->stack[2], // [esp+0x8]
arg3 = stack->stack[3]; // [esp+0xc]
//arg4 = argof(4, esp_base); // there is no arg4. arg4 is properlly a function pointer
// arg4 = argof(4, esp_base); // there is no arg4. arg4 is properlly a function pointer
LPCSTR text = (LPCSTR)arg2;
if (*text && !_yk2garbage(text)) { // I am sure this could be null
if (*text && !_yk2garbage(text))
{ // I am sure this could be null
*data = (DWORD)text;
*len = ::strlen(text); // UTF-8 is null-terminated
if (arg3)
@ -94,114 +95,123 @@ static void SpecialHookYukaSystem2(hook_stack* stack, HookParam *hp, uintptr_t
}
}
bool InsertYukaSystem2Hook()
{
const BYTE bytes[] = {
0x55, // 004010e0 /$ 55 push ebp ; jichi; hook here
0x8b,0xec, // 004010e1 |. 8bec mov ebp,esp
0x8b,0x45, 0x08, // 004010e3 |. 8b45 08 mov eax,dword ptr ss:[ebp+0x8] ; jichi: ebp+0x8 = arg2
0x8b,0x4d, 0x0c, // 004010e6 |. 8b4d 0c mov ecx,dword ptr ss:[ebp+0xc]
0x8a,0x11, // 004010e9 |. 8a11 mov dl,byte ptr ds:[ecx]
0x88,0x10, // 004010eb |. 8810 mov byte ptr ds:[eax],dl ; jichi: eax is the address to text
0x8b, 0xec, // 004010e1 |. 8bec mov ebp,esp
0x8b, 0x45, 0x08, // 004010e3 |. 8b45 08 mov eax,dword ptr ss:[ebp+0x8] ; jichi: ebp+0x8 = arg2
0x8b, 0x4d, 0x0c, // 004010e6 |. 8b4d 0c mov ecx,dword ptr ss:[ebp+0xc]
0x8a, 0x11, // 004010e9 |. 8a11 mov dl,byte ptr ds:[ecx]
0x88, 0x10, // 004010eb |. 8810 mov byte ptr ds:[eax],dl ; jichi: eax is the address to text
0x5d, // 004010ed |. 5d pop ebp
0xc3 // 004010ee \. c3 retn
};
//enum { addr_offset = 0 };
// enum { addr_offset = 0 };
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
//GROWL_DWORD(addr); // supposed to be 0x4010e0
if (!addr) {
ConsoleOutput("YukaSystem2: pattern not found");
// GROWL_DWORD(addr); // supposed to be 0x4010e0
if (!addr)
return false;
}
HookParam hp;
hp.address = addr;
hp.offset=get_stack(1);
hp.split=get_stack(2);
hp.type =USING_SPLIT| USING_STRING|CODEC_UTF8; // UTF-8, though
hp.filter_fun=[](void* data, size_t* len, HookParam* hp){
//セミラミスの天秤
//セミラミスの天秤 Fated Dolls
if(data==0)return false;
hp.offset = get_stack(1);
hp.split = get_stack(2);
hp.type = USING_SPLIT | USING_STRING | CODEC_UTF8; // UTF-8, though
hp.filter_fun = [](void *data, size_t *len, HookParam *hp)
{
// セミラミスの天秤
// セミラミスの天秤 Fated Dolls
if (data == 0)
return false;
if(all_ascii(reinterpret_cast<char*>(data),*len))return false;
auto str=std::string(reinterpret_cast<char*>(data),*len);
if (all_ascii(reinterpret_cast<char *>(data), *len))
return false;
auto str = std::string(reinterpret_cast<char *>(data), *len);
str = std::regex_replace(str, std::regex(R"(@r\((.*?),(.*?)\))"), "$1");
auto wstr=StringToWideString(str);
auto wstr = StringToWideString(str);
if(wstr.size()==1)return false;
if (wstr.size() == 1)
return false;
for(auto wc:wstr){
if((wc>='A' && wc<='z')||
(wc>='0' && wc<='9')||
(wc=='"')||(wc=='.')||(wc=='-')||(wc=='#')||
(wc==65533)||(wc==2))return false;
for (auto wc : wstr)
{
if ((wc >= 'A' && wc <= 'z') ||
(wc >= '0' && wc <= '9') ||
(wc == '"') || (wc == '.') || (wc == '-') || (wc == '#') ||
(wc == 65533) || (wc == 2))
return false;
}
return write_string_overwrite(data,len,str);
return write_string_overwrite(data, len, str);
};
//hp.text_fun = SpecialHookYukaSystem2;
// hp.text_fun = SpecialHookYukaSystem2;
ConsoleOutput("INSERT YukaSystem2");
return NewHook(hp, "YukaSystem2");
}
namespace{
bool hook2(){
//君を仰ぎ乙女は姫に
//ずっとつくしてあげるの!
namespace
{
bool hook2()
{
// 君を仰ぎ乙女は姫に
// ずっとつくしてあげるの!
const BYTE bytes[] = {
0x0F,0xB6,0x07,
0x83,0xE8,0x40,
0x75,XX,
0x0F,0xB6,0x47,0x01,
0x83,0xE8,0x67,
0x8D,0x4F,0x01,
0x75,XX,
0x0F,0xB6,0x41,0x01,
0x83,0xC1,0x01,
0x83,0xE8,0x66,
0x74,XX
};
//enum { addr_offset = 0 };
0x0F, 0xB6, 0x07,
0x83, 0xE8, 0x40,
0x75, XX,
0x0F, 0xB6, 0x47, 0x01,
0x83, 0xE8, 0x67,
0x8D, 0x4F, 0x01,
0x75, XX,
0x0F, 0xB6, 0x41, 0x01,
0x83, 0xC1, 0x01,
0x83, 0xE8, 0x66,
0x74, XX};
// enum { addr_offset = 0 };
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
//GROWL_DWORD(addr); // supposed to be 0x4010e0
if (!addr) return false;
// GROWL_DWORD(addr); // supposed to be 0x4010e0
if (!addr)
return false;
addr = MemDbg::findEnclosingAlignedFunction(addr);
if (!addr) return false;
if (!addr)
return false;
HookParam hp;
hp.address = addr;
hp.offset=get_stack(2);
hp.type = USING_SPLIT|DATA_INDIRECT;
hp. index=0;
hp.split=get_stack(1);
hp.offset = get_stack(2);
hp.type = USING_SPLIT | DATA_INDIRECT;
hp.index = 0;
hp.split = get_stack(1);
return NewHook(hp, "YukaSystem2");
}
}
namespace __{
bool YukaSystem1Filter(LPVOID data, size_t *size, HookParam *)
namespace __
{
bool YukaSystem1Filter(LPVOID data, size_t *size, HookParam *)
{
auto text = reinterpret_cast<LPSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
if (*len == 0) return false;
if (*len == 0)
return false;
// if acii add a space at the end of the sentence overwriting null terminator
if (*len >=2 && text[*len-2]>0)
if (*len >= 2 && text[*len - 2] > 0)
text[(*len)++] = ' ';
if (cpp_strnstr(text, "@r(", *len)) {
if (cpp_strnstr(text, "@r(", *len))
{
StringFilterBetween(text, len, "@r(", 3, ")", 1); // @r(2,はと)
}
return true;
}
}
bool InsertYukaSystem1Hook()
{
bool InsertYukaSystem1Hook()
{
/*
* Sample games:
* https://vndb.org/r71601
@ -215,22 +225,76 @@ bool InsertYukaSystem1Hook()
};
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
if (!addr) {
if (!addr)
{
ConsoleOutput("YukaSystem1: pattern not found");
return false;
}
HookParam hp;
hp.address = addr;
hp.offset=get_reg(regs::eax);
hp.offset = get_reg(regs::eax);
hp.type = USING_STRING | KNOWN_UNSTABLE;
hp.filter_fun = YukaSystem1Filter;
ConsoleOutput("INSERT YukaSystem1");
return NewHook(hp, "YukaSystem1");
}
}
}
namespace
{
bool h1()
{
// https://vndb.org/v540
// シャマナシャマナ～月とこころと太陽の魔法～
auto addr = Util::FindImportEntry(processStartAddress, (DWORD)IsDBCSLeadByteEx);
if (!addr)
return false;
const BYTE bytes[] = {
0xff, 0x15, XX4,
0x83, 0xf8, 0x01,
0x0f, 0x85, XX4,
0x33, 0xd2,
0xb9, 0x02, 0x00, 0x00, 0x00,
0xbf, XX4,
0x8b, 0xf3,
0x33, 0xc0,
0xf3, 0xa6,
0x74, XX,
0xb8, XX4,
0x8a, 0x48, 0x02,
0x83, 0xc0, 0x02,
0x83, 0xc2, 0x02,
0x84, 0xc9,
0x74, XX,
0xb9, 0x02, 0x00, 0x00, 0x00,
0x8b, 0xf8,
0x8b, 0xf3,
0x33, 0xed,
0xf3, 0xa6};
memcpy((void *)(bytes + 2), &addr, 4);
addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress);
if (!addr)
return false;
addr = MemDbg::findEnclosingAlignedFunction(addr, 0x100);
if (!addr)
return false;
HookParam hp;
hp.address = addr;
hp.offset = get_stack(2);
hp.type = USING_CHAR | DATA_INDIRECT;
hp.filter_fun = [](LPVOID data, size_t *size, HookParam *)
{
auto text = reinterpret_cast<LPSTR>(data);
auto len = reinterpret_cast<size_t *>(size);
CharFilter(text, len, '@');
bool YukaSystem2::attach_function() {
bool _1=__::InsertYukaSystem1Hook();
return InsertYukaSystem2Hook()||hook2()||_1;
return true;
};
return NewHook(hp, "caramelbox");
}
}
bool YukaSystem2::attach_function()
{
bool _1 = h1() || __::InsertYukaSystem1Hook();
return InsertYukaSystem2Hook() || hook2() || _1;
}