#include"Escude.h" #include"embed_util.h" /** jichi 7/23/2015 Escude * Sample game: Re;Lord ��ルフォルト�魔女とぬぁ�るみ * See: http://capita.tistory.com/m/post/210 * * ENCODEKOR,FORCEFONT(5),HOOK(0x0042CB40,TRANS([[ESP+0x4]+0x20],PTRCHEAT,PTRBACKUP,SAFE),RETNPOS(SOURCE)),FONT(Malgun Gothic,-13) * * GDI functions: TextOutA, GetTextExtentPoint32A * It requires changing function to MS Gothic using configure.exe * * Text in arg1 + 0x20 * * 0042CB3C CC INT3 * 0042CB3D CC INT3 * 0042CB3E CC INT3 * 0042CB3F CC INT3 * 0042CB40 56 PUSH ESI * 0042CB41 8B7424 08 MOV ESI,DWORD PTR SS:[ESP+0x8] * 0042CB45 8B06 MOV EAX,DWORD PTR DS:[ESI] * 0042CB47 50 PUSH EAX * 0042CB48 E8 53FC0A00 CALL .004DC7A0 * 0042CB4D 8B56 04 MOV EDX,DWORD PTR DS:[ESI+0x4] * 0042CB50 83C4 04 ADD ESP,0x4 * 0042CB53 5E POP ESI * 0042CB54 85D2 TEST EDX,EDX * 0042CB56 74 7E JE SHORT .0042CBD6 * 0042CB58 85C0 TEST EAX,EAX * 0042CB5A 74 07 JE SHORT .0042CB63 * 0042CB5C 8B08 MOV ECX,DWORD PTR DS:[EAX] * 0042CB5E 8B49 04 MOV ECX,DWORD PTR DS:[ECX+0x4] * 0042CB61 EB 02 JMP SHORT .0042CB65 * 0042CB63 33C9 XOR ECX,ECX * 0042CB65 890A MOV DWORD PTR DS:[EDX],ECX * 0042CB67 85C0 TEST EAX,EAX * 0042CB69 74 07 JE SHORT .0042CB72 * 0042CB6B 8B08 MOV ECX,DWORD PTR DS:[EAX] * 0042CB6D 8B49 08 MOV ECX,DWORD PTR DS:[ECX+0x8] * 0042CB70 EB 02 JMP SHORT .0042CB74 * 0042CB72 33C9 XOR ECX,ECX * 0042CB74 894A 04 MOV DWORD PTR DS:[EDX+0x4],ECX * 0042CB77 85C0 TEST EAX,EAX * 0042CB79 74 08 JE SHORT .0042CB83 * 0042CB7B 8B08 MOV ECX,DWORD PTR DS:[EAX] * 0042CB7D 0FB749 0E MOVZX ECX,WORD PTR DS:[ECX+0xE] * 0042CB81 EB 02 JMP SHORT .0042CB85 * 0042CB83 33C9 XOR ECX,ECX * 0042CB85 0FB7C9 MOVZX ECX,CX * 0042CB88 894A 08 MOV DWORD PTR DS:[EDX+0x8],ECX * 0042CB8B 85C0 TEST EAX,EAX * 0042CB8D 74 19 JE SHORT .0042CBA8 * 0042CB8F 8B08 MOV ECX,DWORD PTR DS:[EAX] * 0042CB91 8379 04 00 CMP DWORD PTR DS:[ECX+0x4],0x0 * 0042CB95 76 11 JBE SHORT .0042CBA8 * 0042CB97 8B49 08 MOV ECX,DWORD PTR DS:[ECX+0x8] * 0042CB9A 85C9 TEST ECX,ECX * 0042CB9C 76 0A JBE SHORT .0042CBA8 * 0042CB9E 49 DEC ECX * 0042CB9F 0FAF48 0C IMUL ECX,DWORD PTR DS:[EAX+0xC] * 0042CBA3 0348 04 ADD ECX,DWORD PTR DS:[EAX+0x4] * 0042CBA6 EB 02 JMP SHORT .0042CBAA * 0042CBA8 33C9 XOR ECX,ECX * 0042CBAA 894A 0C MOV DWORD PTR DS:[EDX+0xC],ECX * 0042CBAD 85C0 TEST EAX,EAX * 0042CBAF 74 16 JE SHORT .0042CBC7 * 0042CBB1 8B48 0C MOV ECX,DWORD PTR DS:[EAX+0xC] * 0042CBB4 F7D9 NEG ECX * 0042CBB6 894A 10 MOV DWORD PTR DS:[EDX+0x10],ECX * 0042CBB9 8B00 MOV EAX,DWORD PTR DS:[EAX] * 0042CBBB 83C0 28 ADD EAX,0x28 * 0042CBBE 8942 14 MOV DWORD PTR DS:[EDX+0x14],EAX * 0042CBC1 B8 01000000 MOV EAX,0x1 * 0042CBC6 C3 RETN * 0042CBC7 33C9 XOR ECX,ECX * 0042CBC9 F7D9 NEG ECX * 0042CBCB 894A 10 MOV DWORD PTR DS:[EDX+0x10],ECX * 0042CBCE 8B00 MOV EAX,DWORD PTR DS:[EAX] * 0042CBD0 83C0 28 ADD EAX,0x28 * 0042CBD3 8942 14 MOV DWORD PTR DS:[EDX+0x14],EAX * 0042CBD6 B8 01000000 MOV EAX,0x1 * 0042CBDB C3 RETN * 0042CBDC CC INT3 * 0042CBDD CC INT3 * 0042CBDE CC INT3 * 0042CBDF CC INT3 * 0042CBE0 8B4424 04 MOV EAX,DWORD PTR SS:[ESP+0x4] * 0042CBE4 8B48 10 MOV ECX,DWORD PTR DS:[EAX+0x10] * 0042CBE7 8B50 0C MOV EDX,DWORD PTR DS:[EAX+0xC] * 0042CBEA 51 PUSH ECX * 0042CBEB 8B48 08 MOV ECX,DWORD PTR DS:[EAX+0x8] * 0042CBEE 52 PUSH EDX * 0042CBEF 8B50 04 MOV EDX,DWORD PTR DS:[EAX+0x4] * 0042CBF2 8B00 MOV EAX,DWORD PTR DS:[EAX] * 0042CBF4 51 PUSH ECX * 0042CBF5 52 PUSH EDX * 0042CBF6 50 PUSH EAX * 0042CBF7 E8 E4FD0A00 CALL .004DC9E0 * 0042CBFC 83C4 14 ADD ESP,0x14 * 0042CBFF C3 RETN * 0042CC00 8B4424 04 MOV EAX,DWORD PTR SS:[ESP+0x4] * 0042CC04 8B48 10 MOV ECX,DWORD PTR DS:[EAX+0x10] * 0042CC07 8B50 0C MOV EDX,DWORD PTR DS:[EAX+0xC] * 0042CC0A 51 PUSH ECX * 0042CC0B 8B48 08 MOV ECX,DWORD PTR DS:[EAX+0x8] * 0042CC0E 52 PUSH EDX * 0042CC0F 8B50 04 MOV EDX,DWORD PTR DS:[EAX+0x4] * 0042CC12 8B00 MOV EAX,DWORD PTR DS:[EAX] * 0042CC14 51 PUSH ECX * 0042CC15 52 PUSH EDX * 0042CC16 50 PUSH EAX * 0042CC17 E8 C4FF0A00 CALL .004DCBE0 * 0042CC1C 83C4 14 ADD ESP,0x14 * 0042CC1F C3 RETN * 0042CC20 8B4424 04 MOV EAX,DWORD PTR SS:[ESP+0x4] * 0042CC24 8B08 MOV ECX,DWORD PTR DS:[EAX] * 0042CC26 894C24 04 MOV DWORD PTR SS:[ESP+0x4],ECX * 0042CC2A E9 71FB0A00 JMP .004DC7A0 * 0042CC2F CC INT3 * 0042CC30 56 PUSH ESI * 0042CC31 8B7424 08 MOV ESI,DWORD PTR SS:[ESP+0x8] * 0042CC35 8B06 MOV EAX,DWORD PTR DS:[ESI] * 0042CC37 50 PUSH EAX * 0042CC38 E8 63FB0A00 CALL .004DC7A0 * 0042CC3D D946 0C FLD DWORD PTR DS:[ESI+0xC] * 0042CC40 D91C24 FSTP DWORD PTR SS:[ESP] * 0042CC43 83EC 08 SUB ESP,0x8 * 0042CC46 D946 08 FLD DWORD PTR DS:[ESI+0x8] * 0042CC49 D95C24 04 FSTP DWORD PTR SS:[ESP+0x4] * 0042CC4D D946 04 FLD DWORD PTR DS:[ESI+0x4] * 0042CC50 D91C24 FSTP DWORD PTR SS:[ESP] * 0042CC53 50 PUSH EAX * 0042CC54 E8 27680400 CALL .00473480 * 0042CC59 83C4 10 ADD ESP,0x10 * 0042CC5C B8 01000000 MOV EAX,0x1 * 0042CC61 5E POP ESI * 0042CC62 C3 RETN * 0042CC63 CC INT3 * 0042CC64 CC INT3 * 0042CC65 CC INT3 * 0042CC66 CC INT3 * 0042CC67 CC INT3 * 0042CC68 CC INT3 * 0042CC69 CC INT3 * */ namespace { // unnamed /** * Handle new lines and ruby. * * そ�日、彼の言葉に耳を傾ける�ぁ�かった� * ザールラント歴丹�〹�　二ノ月二十日グローセン州　ヘルフォルト区郊� * * 僁�な霋�の後�r>瞼を開け��r>見覚えのある輪郭が瞳に�り込む� * * そ�日、彼の言葉に耳を傾ける�ぁ�かった。――尊厳を捨てて媚�る。それが生きることか？――��ぁ�敗北したのた誰しも少年の声を聞かず、蔑み、そして冷笑してぁ�。安寧の世がぁ�までも続くと信じてぁ�から。それでも、私�――。ザールラント歴丹�〹�　二ノ月二十日グローセン州　ヘルフォルト区郊外僅かな霋�の後�r>瞼を開け��r>見覚えのある輪郭が瞳に�り込む */ bool EscudeFilter(LPVOID data, size_t *size, HookParam *) { auto text = reinterpret_cast(data); auto len = reinterpret_cast(size); StringCharReplacer(text, len, "", 3, '\n'); if (cpp_strnstr(text, "", 7); StringFilterBetween(text, len, "", 2); } return true; } LPCSTR _escudeltrim(LPCSTR text) { if (text && *text == '<') for (auto p = text; (signed char)*p > 0; p++) if (*p == '>') return p + 1; return text; } void SpecialHookEscude(hook_stack* stack, HookParam *hp, uintptr_t *data, uintptr_t *split, size_t*len) { DWORD arg1 = stack->stack[1]; if (!arg1 || (LONG)arg1 == -1 || ::IsBadWritePtr((LPVOID)arg1, 4)) // this is indispensable return; LPCSTR text = (LPCSTR)*(DWORD *)(arg1 + 0x20); if (!text || ::IsBadWritePtr((LPVOID)text, 1) || !*text) // this is indispensable return; text = _escudeltrim(text); if (!text) return; *data = (DWORD)text; *len = ::strlen(text); *split = *(DWORD *)arg1; } struct HookArgument { ULONG split; //ULONG unknown1[3]; //LPCSTR text1; // 0x10 only for old games ULONG unknown[7]; LPCSTR text; // 0x20 bool isValid() const { return Engine::isAddressWritable(text) && *text; } Engine::TextRole role() const { if (split >= 0xff) return Engine::OtherRole; static ULONG maxSplit_ = 0; if (split > maxSplit_) maxSplit_ = split; if (split == maxSplit_) return Engine::ScenarioRole; return Engine::NameRole; // scenario role is larger than name role } }; LPCSTR trimmedText; bool hook_before(hook_stack*s,void* data, size_t* len,uintptr_t*role){ auto arg = (HookArgument *)s->stack[1]; if ((long)arg == -1 || !Engine::isAddressWritable(arg) || !arg->isValid()) return false; trimmedText = _escudeltrim(arg->text); * role = arg->role(); return write_string_overwrite(data,len,trimmedText); } void hook_after(hook_stack*s,void* data, size_t len){ static std::string data_; data_=std::string((char*)data,len); auto arg = (HookArgument *)s->stack[1]; if(trimmedText!=arg->text) data_.insert(0,std::string(arg->text, trimmedText - arg->text)); arg->text=data_.c_str(); } } // unnamed namespace bool InsertEscudeHook() { const BYTE bytes[] = { 0x76, 0x0a, // 0042cb9c 76 0a jbe short .0042cba8 0x49, // 0042cb9e 49 dec ecx 0x0f,0xaf,0x48, 0x0c // 0042cb9f 0faf48 0c imul ecx,dword ptr ds:[eax+0xc] }; ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStopAddress); //GROWL(addr); if (!addr) { ConsoleOutput("Escude: pattern not found"); return false; } addr = MemDbg::findEnclosingAlignedFunction(addr); if (!addr) { ConsoleOutput("Escude: enclosing function not found"); return false; } HookParam hp; hp.address = addr; hp.hook_before=hook_before; hp.hook_after=hook_after; hp.hook_font=F_TextOutA|F_GetTextExtentPoint32A; hp.text_fun = SpecialHookEscude; hp.filter_fun = EscudeFilter; hp.type = USING_STRING|USING_SPLIT|NO_CONTEXT|EMBED_ABLE|EMBED_DYNA_SJIS; // NO_CONTEXT as this function is only called by one caller anyway hp.newlineseperator=L""; ConsoleOutput("INSERT Escude"); return NewHook(hp, "Escude"); } bool Escude::attach_function() { return InsertEscudeHook(); }