C++实现微信多开
原理
解除mutex独占
同时改用新的API，不再使用废弃的windows API
源码
#include <aclapi.h>
#include <shlwapi.h>
#include <windows.h>
#include <iostream>
#pragma comment(lib, "Shlwapi.lib")static bool enableMultiWeChat()
{HANDLE hMutex = CreateMutexW(NULL, FALSE, L"_WeChat_App_Instance_Identity_Mutex_Name");SID_IDENTIFIER_AUTHORITY SIDAuthWorld = SECURITY_WORLD_SID_AUTHORITY;PSID pEveryoneSID = NULL;char szBuffer[4096] = { 0 };PACL pAcl = (PACL)szBuffer;AllocateAndInitializeSid(&SIDAuthWorld, 1, SECURITY_WORLD_RID, 0, 0, 0, 0, 0, 0, 0, &pEveryoneSID);InitializeAcl(pAcl, sizeof(szBuffer), ACL_REVISION);AddAccessDeniedAce(pAcl, ACL_REVISION, MUTEX_ALL_ACCESS, pEveryoneSID);if (hMutex == 0) {std::cout << "Wechat mutex is null" << std::endl;return false;} else {SetSecurityInfo(hMutex, SE_KERNEL_OBJECT, DACL_SECURITY_INFORMATION, NULL, NULL, pAcl, NULL);}return true;
}static LPWSTR ConvertToLPWSTR(const char* charString)
{int size = MultiByteToWideChar(CP_ACP, 0, charString, -1, NULL, 0);LPWSTR wideString = new WCHAR[size];MultiByteToWideChar(CP_ACP, 0, charString, -1, wideString, size);return wideString;
}int main(int argc, char* argv[])
{if (argc != 2) {std::cout << "Args is invalid" << std::endl;return 0;}bool isEnable = enableMultiWeChat();if (!isEnable) {return 0;}STARTUPINFO si;PROCESS_INFORMATION pi;ZeroMemory(&si, sizeof(si));si.cb = sizeof(si);ZeroMemory(&pi, sizeof(pi));LPWSTR appPath = ConvertToLPWSTR(argv[1]);if (!CreateProcess(NULL, appPath, NULL, NULL, FALSE, 0, NULL, NULL, &si, &pi)) {std::cout << "CreateProcess failed" << std::endl;return 1;}delete[] appPath;CloseHandle(pi.hProcess);CloseHandle(pi.hThread);std::cout << "Wechat start success" << std::endl;return 0;
}
)
