mirror of
https://github.com/HIllya51/LunaHook.git
synced 2024-12-27 13:44:11 +08:00
101 lines
2.6 KiB
C++
101 lines
2.6 KiB
C++
#include"hibiki.h"
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bool hibikihook() {
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//ＬＯＶＥＬＹ×Ｃ∧ＴＩＯＮ
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/*seg000:0044FC05 83 FF 20 cmp edi, 20h ; ' '
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seg000:0044FC08 0F 84 E6 00 00 00 jz loc_44FCF4
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seg000:0044FC08
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seg000:0044FC0E 81 FF 00 30 00 00 cmp edi, 3000h
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seg000:0044FC14 0F 84 E9 00 00 00 jz loc_44FD03*/
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const BYTE bytes[] = {
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0x83,0xff,0x20,
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0x0f,0x84,XX4,
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0x81,0xff,0x00,0x30,0x00,0x00,
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0x0f,0x84,XX4
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};
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auto addrs = Util::SearchMemory(bytes, sizeof(bytes), PAGE_EXECUTE, processStartAddress, processStopAddress);
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bool succ=false;
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for (auto addr :addrs) {
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addr = MemDbg::findEnclosingAlignedFunction(addr);
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if (!addr) { continue; }
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HookParam hp;
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hp.address = addr;
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hp.offset =get_stack(3);
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hp.type = CODEC_UTF16;
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ConsoleOutput("INSERT hibiki_extra %p",addr);
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succ|=NewHook(hp, "hibiki_extra");
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}
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return succ;
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}
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bool YaneSDKFilter(LPVOID data, size_t *size, HookParam *)
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{
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auto text = reinterpret_cast<LPWSTR>(data);
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auto len = reinterpret_cast<size_t *>(size);
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static std::wstring prevText;
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if (!*len)
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return false;
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text[*len/sizeof(wchar_t)] = L'\0'; // clean text
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if (!prevText.compare(text))
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return false;
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prevText = text;
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StringCharReplacer(text, len, L"[r]", 3, L' ');
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StringFilter(text, len, L"[np]", 4);
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if (cpp_wcsnstr(text, L"'", *len/sizeof(wchar_t))) { // [桜木'さくらぎ]
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StringFilterBetween(text, len, L"'", 1, L"]", 1);
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}
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CharFilter(text, len, L'[');
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CharFilter(text, len, L']');
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return true;
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}
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bool InsertYaneSDKHook()
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{
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/*
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* Sample games:
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* https://vndb.org/v21734
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* https://vndb.org/v21455
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* https://vndb.org/v20406
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*/
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const BYTE bytes[] = {
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0x83, 0xF9, 0x08, // cmp ecx,08 << hook here
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0x8D, 0x45, 0x0C, // lea eax,[ebp+0C]
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0x8D, 0x4D, 0xBC, // lea ecx,[ebp-44]
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0x0F, 0x43, 0xC2, // cmovae eax,edx
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0x0F, 0xB7, 0x04, 0x70 // movzx eax,word ptr [eax+esi*2]
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};
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ULONG range = min(processStopAddress - processStartAddress, MAX_REL_ADDR);
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ULONG addr = MemDbg::findBytes(bytes, sizeof(bytes), processStartAddress, processStartAddress + range);
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if (!addr) {
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ConsoleOutput("YaneSDK: pattern not found");
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return false;
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}
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HookParam hp;
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hp.address = addr;
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hp.offset=get_reg(regs::eax);
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hp.filter_fun = YaneSDKFilter;
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hp.type = CODEC_UTF16 | USING_STRING | NO_CONTEXT;
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ConsoleOutput("INSERT YaneSDK");
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return NewHook(hp, "YaneSDK");
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}
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bool hibiki::attach_function() {
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return hibikihook()||InsertYaneSDKHook();
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}
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