mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-26 13:14:13 +08:00
269 lines
10 KiB
C++
269 lines
10 KiB
C++
#include"Pal.h"
|
||
/** jichi 6/1/2014 AMUSE CRAFT
|
||
* Related brands: http://erogetrailers.com/brand/2047
|
||
* Sample game: 魔女こいにっ<E381AB> * See: http://sakuradite.com/topic/223
|
||
* Sample H-code: /HBN-4*0:18@26159:MAJOKOI_try.exe (need remove context, though)
|
||
*
|
||
* Sample games:
|
||
* - 時計仕掛け<E68E9B>レイライン
|
||
* - きみと僕との騎士の日<E381AE> *
|
||
* /HBN-4*0:18@26159:MAJOKOI_TRY.EXE
|
||
* - addr: 155993
|
||
* - length_offset: 1
|
||
* - module: 104464j455
|
||
* - off: 4294967288 = 0xfffffff8
|
||
* - split: 24 = 0x18
|
||
* - type: 1112 = 0x458
|
||
*
|
||
* Call graph:
|
||
* - hook reladdr: 0x26159, fun reladdr: 26150
|
||
* - scene fun reladdr: 0x26fd0
|
||
* - arg1 and arg3 are pointers
|
||
* - arg2 is the text
|
||
* - scenairo only reladdr: 0x26670
|
||
* Issue for implementing embeded engine: two functions are needed to be hijacked
|
||
*
|
||
* 013c614e cc int3
|
||
* 013c614f cc int3
|
||
* 013c6150 /$ 55 push ebp ; jichi: function starts, this function seems to process text encoding
|
||
* 013c6151 |. 8bec mov ebp,esp
|
||
* 013c6153 |. 8b45 08 mov eax,dword ptr ss:[ebp+0x8]
|
||
* 013c6156 |. 0fb608 movzx ecx,byte ptr ds:[eax]
|
||
* 013c6159 |. 81f9 81000000 cmp ecx,0x81 ; jichi: hook here
|
||
* 013c615f |. 7c 0d jl short majokoi_.013c616e
|
||
* 013c6161 |. 8b55 08 mov edx,dword ptr ss:[ebp+0x8]
|
||
* 013c6164 |. 0fb602 movzx eax,byte ptr ds:[edx]
|
||
* 013c6167 |. 3d 9f000000 cmp eax,0x9f
|
||
* 013c616c |. 7e 1c jle short majokoi_.013c618a
|
||
* 013c616e |> 8b4d 08 mov ecx,dword ptr ss:[ebp+0x8]
|
||
* 013c6171 |. 0fb611 movzx edx,byte ptr ds:[ecx]
|
||
* 013c6174 |. 81fa e0000000 cmp edx,0xe0
|
||
* 013c617a |. 7c 30 jl short majokoi_.013c61ac
|
||
* 013c617c |. 8b45 08 mov eax,dword ptr ss:[ebp+0x8]
|
||
* 013c617f |. 0fb608 movzx ecx,byte ptr ds:[eax]
|
||
* 013c6182 |. 81f9 fc000000 cmp ecx,0xfc
|
||
* 013c6188 |. 7f 22 jg short majokoi_.013c61ac
|
||
* 013c618a |> 8b55 08 mov edx,dword ptr ss:[ebp+0x8]
|
||
* 013c618d |. 0fb642 01 movzx eax,byte ptr ds:[edx+0x1]
|
||
* 013c6191 |. 83f8 40 cmp eax,0x40
|
||
* 013c6194 |. 7c 16 jl short majokoi_.013c61ac
|
||
* 013c6196 |. 8b4d 08 mov ecx,dword ptr ss:[ebp+0x8]
|
||
* 013c6199 |. 0fb651 01 movzx edx,byte ptr ds:[ecx+0x1]
|
||
* 013c619d |. 81fa fc000000 cmp edx,0xfc
|
||
* 013c61a3 |. 7f 07 jg short majokoi_.013c61ac
|
||
* 013c61a5 |. b8 01000000 mov eax,0x1
|
||
* 013c61aa |. eb 02 jmp short majokoi_.013c61ae
|
||
* 013c61ac |> 33c0 xor eax,eax
|
||
* 013c61ae |> 5d pop ebp
|
||
* 013c61af \. c3 retn
|
||
*/
|
||
static bool InsertOldPalHook() // this is used in case the new pattern does not work
|
||
{
|
||
const BYTE bytes[] = {
|
||
0x55, // 013c6150 /$ 55 push ebp ; jichi: function starts
|
||
0x8b,0xec, // 013c6151 |. 8bec mov ebp,esp
|
||
0x8b,0x45, 0x08, // 013c6153 |. 8b45 08 mov eax,dword ptr ss:[ebp+0x8]
|
||
0x0f,0xb6,0x08, // 013c6156 |. 0fb608 movzx ecx,byte ptr ds:[eax]
|
||
0x81,0xf9 //81000000 // 013c6159 |. 81f9 81000000 cmp ecx,0x81 ; jichi: hook here
|
||
};
|
||
enum { addr_offset = sizeof(bytes) - 2 };
|
||
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
|
||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
|
||
//GROWL_DWORD(reladdr); // supposed to be 0x21650
|
||
//GROWL_DWORD(reladdr + addr_offset);
|
||
//reladdr = 0x26159; // 魔女こいにっ<E381AB>trial
|
||
if (!addr) {
|
||
ConsoleOutput("AMUSE CRAFT: pattern not found");
|
||
return false;
|
||
}
|
||
|
||
HookParam hp;
|
||
hp.address = addr + addr_offset;
|
||
//hp.type = NO_CONTEXT|USING_SPLIT|DATA_INDIRECT; // 0x418
|
||
//hp.type = NO_CONTEXT|USING_SPLIT|DATA_INDIRECT|RELATIVE_SPLIT; // Use relative address to prevent floating issue
|
||
hp.type = NO_CONTEXT|USING_SPLIT|DATA_INDIRECT;
|
||
hp.offset=get_reg(regs::eax); // eax
|
||
ConsoleOutput("INSERT AMUSE CRAFT");
|
||
return NewHook(hp, "Pal");
|
||
}
|
||
namespace{
|
||
template <typename strT>
|
||
strT trim(strT text, int *size)
|
||
{
|
||
//int length = ::strlen(text);
|
||
auto length = *size;
|
||
if (text[0] == '<' && text[1] == 'c') {
|
||
auto p = ::strchr(text + 2, '>');
|
||
if (!p)
|
||
return text;
|
||
p++;
|
||
length -= p - text;
|
||
text = p; // skip leading '<c .. >'
|
||
}
|
||
|
||
if (text[length - 1] == '>' && text[length - 2] == 'c' && text[length - 3] == '/' && text[length - 4] == '<')
|
||
length -= 4; // skip the trailing </c>'
|
||
|
||
*size = length;
|
||
return text;
|
||
}
|
||
LPSTR trimmedText;int trimmedSize;
|
||
bool before(hook_stack*s,void* data, size_t* len,uintptr_t*role){
|
||
auto text = (LPSTR)s->stack[2]; // text in arg2
|
||
if (!text || !*text)
|
||
return false;
|
||
|
||
int size = ::strlen(text);
|
||
trimmedSize = size;
|
||
trimmedText = trim(text, &trimmedSize);
|
||
if (trimmedSize <= 0 || !trimmedText || !*trimmedText)
|
||
return false;
|
||
auto retaddr = s->stack[0];
|
||
if (*(WORD *)(retaddr - 8) == 0x088b) // 8b08 mov ecx,dword ptr ds:[eax]
|
||
*role = s->stack[3] ? Engine::ScenarioRole : Engine::NameRole;
|
||
std::string oldData(trimmedText, trimmedSize);
|
||
write_string_overwrite(data,len,oldData);
|
||
return true;
|
||
}
|
||
void after(hook_stack*s,void* data, size_t len){
|
||
std::string newData((char*)data, len);
|
||
auto text = (LPSTR)s->stack[2]; // text in arg2
|
||
int prefixSize = trimmedText - text;
|
||
int size = ::strlen(text);
|
||
int suffixSize = size - prefixSize - trimmedSize;
|
||
//if (prefixSize)
|
||
// newData.prepend(text, prefixSize);
|
||
if (suffixSize)
|
||
newData.append(trimmedText + trimmedSize, suffixSize);
|
||
::strcpy(trimmedText, newData.c_str());
|
||
}
|
||
|
||
std::string rubyRemove( std::string text) {
|
||
std::regex rx("<r(.*?)>(.*?)</r>");
|
||
text= std::regex_replace(text, rx, "$2");
|
||
std::regex rx2("<c(.*?)>(.*?)</c>");
|
||
text= std::regex_replace(text, rx2, "$2");
|
||
std::regex rx3("<s(.*?)>(.*?)</s>");
|
||
text= std::regex_replace(text, rx3, "$2");
|
||
return text;
|
||
}
|
||
}
|
||
static bool InsertNewPal1Hook()
|
||
{
|
||
//有乱码，无法处理。并且遇到某些中文字符会闪退
|
||
const BYTE bytes[] = {
|
||
0x55, // 002c6ab0 55 push ebp
|
||
0x8b,0xec, // 002c6ab1 8bec mov ebp,esp
|
||
0x83,0xec, 0x78, // 002c6ab3 83ec 78 sub esp,0x78
|
||
0xa1, XX4, // 002c6ab6 a1 8c002f00 mov eax,dword ptr ds:[0x2f008c]
|
||
0x33,0xc5, // 002c6abb 33c5 xor eax,ebp
|
||
0x89,0x45, 0xf8 // 002c6abd 8945 f8 mov dword ptr ss:[ebp-0x8],eax ; mireado : small update
|
||
};
|
||
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
|
||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
|
||
if (!addr) {
|
||
ConsoleOutput("Pal1: pattern not found");
|
||
return false;
|
||
}
|
||
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.offset=get_stack(2); // arg2
|
||
hp.type = USING_STRING|EMBED_ABLE;
|
||
hp.hook_before=before;
|
||
hp.hook_after=after;
|
||
hp.filter_fun=[](void* data, size_t* len, HookParam* hp){
|
||
auto s=std::string((char*)data,*len);
|
||
s=rubyRemove(s);
|
||
write_string_overwrite(data,len,s);
|
||
return true;
|
||
};
|
||
hp.hook_font=F_CreateFontIndirectA|F_CreateFontA;
|
||
ConsoleOutput("INSERT Pal1");
|
||
return NewHook(hp, "Pal");
|
||
}
|
||
// Eguni 2016/11/06
|
||
// Supporting new Pal engine, tested with 恋×シンアイ彼女
|
||
static bool InsertNewPal2Hook()
|
||
{
|
||
const BYTE bytes[] = {
|
||
0x55, // 0124E220 55 push ebp; doesn't works... why?
|
||
0x8b,0xec, // 0124E221 8bec mov ebp,esp
|
||
0x83,0xec, 0x7c, // 0124E223 83ec 7c sub esp,0x7C
|
||
0xa1, XX4, // 0124E226 a1 788D2901 mov eax,dword ptr ds:[0x2f008c]
|
||
0x33,0xc5, // 0124E22B 33c5 xor eax,ebp
|
||
0x89,0x45, 0xfc, // 0124E22D 8945 FC mov dword ptr ss:[ebp-0x8],eax ; mireado : small update
|
||
0xe8 // 0136e230 e8 call 01377800
|
||
};
|
||
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
|
||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
|
||
if (!addr) {
|
||
ConsoleOutput("Pal2: pattern not found");
|
||
return false;
|
||
}
|
||
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.offset=get_stack(2); // arg2
|
||
hp.type = USING_STRING;
|
||
ConsoleOutput("INSERT Pal2");
|
||
return NewHook(hp, "Pal");
|
||
}
|
||
namespace{
|
||
bool redcheris(){
|
||
const BYTE bytes[] = {
|
||
//int __usercall sub_44E1E0@<eax>(
|
||
// char *a1@<edx>,
|
||
|
||
//if ( *(_DWORD *)a1 == 1047683644 )
|
||
0x8B,0x06,
|
||
0x3D,0x3C,0x62,0x72,0x3E ,
|
||
0x75,0x10
|
||
};
|
||
ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
|
||
ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
|
||
if (!addr) return false;
|
||
addr=MemDbg::findEnclosingAlignedFunction(addr);
|
||
if (!addr) return false;
|
||
HookParam hp;
|
||
hp.address = addr;
|
||
hp.offset=get_reg(regs::edx);
|
||
hp.type = USING_STRING|EMBED_ABLE|EMBED_BEFORE_SIMPLE|EMBED_AFTER_NEW;
|
||
//无法编码的字符无法显示，若开启dyna则会直接略过这个字，还不如不开。
|
||
//[230929] [ユニゾンシフト] 恋とHしかしていない！
|
||
hp.newlineseperator=L"<br>";
|
||
hp.filter_fun=[](void* data, size_t* len, HookParam* hp){
|
||
auto s=std::string((char*)data,*len);
|
||
s=rubyRemove(s);
|
||
write_string_overwrite(data,len,s);
|
||
return true;
|
||
};
|
||
return NewHook(hp, "Pal");
|
||
}
|
||
}
|
||
|
||
bool InsertPalHook() // use Old Pal first, which does not have ruby
|
||
{
|
||
PcHooks::hookOtherPcFunctions();
|
||
auto succ=false;
|
||
for (auto func : { "PalSpriteCreateTextEx","PalSpriteCreateText","PalFontDrawText" }) {
|
||
HookParam hp;
|
||
hp.type = USING_STRING | MODULE_OFFSET | FUNCTION_OFFSET;
|
||
wcscpy_s(hp.module, L"Pal.dll");
|
||
strcpy_s(hp.function, func);
|
||
hp.offset=get_stack(2);
|
||
succ|=NewHook(hp, func);
|
||
}
|
||
bool embed= InsertNewPal1Hook() ;
|
||
bool b1= InsertOldPalHook() || InsertNewPal2Hook();
|
||
|
||
bool b2=redcheris();
|
||
return b1||b2||embed||succ;
|
||
}
|
||
|
||
bool Pal::attach_function() {
|
||
|
||
return InsertPalHook();
|
||
}
|
||
|
||
|