| 415 | } |
| 416 | |
| 417 | std::optional<std::string> ServiceManager::GetServiceExecutablePath() { |
| 418 | SC_HANDLE hSCManager = nullptr; |
| 419 | SC_HANDLE hService = nullptr; |
| 420 | QString executablePath; |
| 421 | |
| 422 | std::wstring serv_namew = QString::fromStdString(srv_name_).toStdWString(); |
| 423 | |
| 424 | // 打开服务控制管理器 |
| 425 | hSCManager = OpenSCManager(nullptr, nullptr, SC_MANAGER_CONNECT); |
| 426 | if (!hSCManager) { |
| 427 | LOGE("Failed to open service manager: {}", GetLastError()); |
| 428 | return {}; |
| 429 | } |
| 430 | |
| 431 | // 打开指定的服务 |
| 432 | hService = OpenServiceW(hSCManager, serv_namew.c_str(), SERVICE_QUERY_CONFIG); |
| 433 | if (!hService) { |
| 434 | LOGE("Failed to open service: {}", GetLastError()); |
| 435 | CloseServiceHandle(hSCManager); |
| 436 | return {}; |
| 437 | } |
| 438 | |
| 439 | // 查询服务配置以获取二进制路径信息 |
| 440 | DWORD bytesNeeded = 0; |
| 441 | if (!QueryServiceConfigW(hService, nullptr, 0, &bytesNeeded) && GetLastError() != ERROR_INSUFFICIENT_BUFFER) { |
| 442 | LOGE("Failed to query service config (buffer size): {}", GetLastError()); |
| 443 | CloseServiceHandle(hService); |
| 444 | CloseServiceHandle(hSCManager); |
| 445 | return {}; |
| 446 | } |
| 447 | |
| 448 | // 分配缓冲区 |
| 449 | LPQUERY_SERVICE_CONFIG serviceConfig = (LPQUERY_SERVICE_CONFIG)malloc(bytesNeeded); |
| 450 | if (!serviceConfig) { |
| 451 | LOGE("Failed to allocate memory for service config."); |
| 452 | CloseServiceHandle(hService); |
| 453 | CloseServiceHandle(hSCManager); |
| 454 | return {}; |
| 455 | } |
| 456 | |
| 457 | // 再次查询服务配置 |
| 458 | if (!QueryServiceConfigW(hService, serviceConfig, bytesNeeded, &bytesNeeded)) { |
| 459 | LOGE("Failed to query service config: {}", GetLastError()); |
| 460 | free(serviceConfig); |
| 461 | CloseServiceHandle(hService); |
| 462 | CloseServiceHandle(hSCManager); |
| 463 | return {}; |
| 464 | } |
| 465 | |
| 466 | // 获取服务的二进制路径 |
| 467 | executablePath = QString::fromWCharArray(serviceConfig->lpBinaryPathName); |
| 468 | |
| 469 | // 清理资源 |
| 470 | free(serviceConfig); |
| 471 | CloseServiceHandle(hService); |
| 472 | CloseServiceHandle(hSCManager); |
| 473 | |
| 474 | return executablePath.toStdString(); |