vc获取当前用户sid

最新推荐文章于 2023-03-17 13:43:03 发布

hanyezhiyu8

最新推荐文章于 2023-03-17 13:43:03 发布

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分类专栏： c++ 文章标签： buffer null byte delete token query

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CString cstrUserID; bool bRet = true; HANDLE hToken = NULL; LPBYTE buffer =NULL; LPTSTR pszSID = NULL; do { if ( !OpenProcessToken( GetCurrentProcess(), TOKEN_QUERY, &hToken ) ) { bRet = false; break; } DWORD dwBufferSize = 0; if ( !GetTokenInformation( hToken, TokenUser, NULL, 0, &dwBufferSize ) && ( GetLastError() != ERROR_INSUFFICIENT_BUFFER ) ) { bRet = false; break; } buffer = new byte[dwBufferSize]; SecureZeroMemory(buffer, dwBufferSize * sizeof(byte)); PTOKEN_USER pTokenUser = reinterpret_cast(buffer); if ( !GetTokenInformation( hToken, TokenUser, pTokenUser, dwBufferSize, &dwBufferSize)) { bRet = false; break; } if ( !IsValidSid( pTokenUser->User.Sid ) ) { bRet = false; break; } PSID pSid = pTokenUser->User.Sid; if ( !ConvertSidToStringSid(pSid, &pszSID) ) { bRet = false; break; } cstrUserID = pszSID; } while (false); if (buffer) { delete []buffer; buffer = NULL; } if (pszSID) { LocalFree( pszSID ); pszSID = NULL; } if (hToken) { CloseHandle( hToken ); hToken = NULL; } return cstrUserID; //注意包含头文件 #include