63 lines
1.7 KiB
C++
63 lines
1.7 KiB
C++
#include <Windows.h>
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#include "detours.h"
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#include <stdio.h>
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char* to_utf8(char* target, const char* source, UINT cp) {
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int count = MultiByteToWideChar(cp, MB_ERR_INVALID_CHARS, source, -1, NULL, 0);
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if (!count) return nullptr;
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WCHAR* ws = new WCHAR[count + 1];
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MultiByteToWideChar(cp, MB_ERR_INVALID_CHARS, source, -1, ws, count);
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char* result = nullptr;
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int ncount = WideCharToMultiByte(CP_UTF8, 0, ws, -1, nullptr, 0, nullptr, nullptr);
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if (ncount) {
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if (!target) {
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target = new char[ncount + 1];
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}
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result = target;
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WideCharToMultiByte(CP_UTF8, 0, ws, -1, result, ncount, nullptr, nullptr);
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}
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delete[] ws;
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return result;
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}
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char* WINAPI jis_to_utf8(char* target, const char* source) {
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char* result = to_utf8(target, source, CP_UTF8);
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if (!result) {
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result = to_utf8(target, source, 932);
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}
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return result;
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}
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PVOID GetHandle() {
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HMODULE hModule = GetModuleHandleA(NULL);
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return (char*)hModule + 0xf3c20;
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}
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extern "C" __declspec(dllexport) void Attach() {
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DetourTransactionBegin();
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DetourUpdateThread(GetCurrentThread());
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PVOID h = GetHandle();
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DetourAttach(&h, (PVOID)jis_to_utf8);
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DetourTransactionCommit();
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}
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extern "C" __declspec(dllexport) void Detach() {
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DetourTransactionBegin();
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DetourUpdateThread(GetCurrentThread());
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PVOID h = GetHandle();
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DetourDetach(&h, (PVOID)jis_to_utf8);
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DetourTransactionCommit();
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}
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BOOL APIENTRY DllMain(HMODULE hModule, DWORD reason, LPVOID rev) {
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switch (reason) {
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case DLL_PROCESS_ATTACH:
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Attach();
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break;
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case DLL_PROCESS_DETACH:
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Detach();
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break;
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}
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return TRUE;
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}
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