c++ 获取系统服务

#include "StdAfx.h" #include <windows.h> #include <iostream.h> void main() { int menu = 0; while (cin >> menu) { if(menu == 1) { SC_HANDLE SCMan = OpenSCManager(NULL, NULL, SC_MANAGER_ALL_ACCESS); //打开系统服务控制器 if(SCMan == NULL) { printf("OpenSCManager Eorror/n"); return; } LPENUM_SERVICE_STATUS service_status; //保存系统服务的结构 DWORD cbBytesNeeded = NULL; DWORD ServicesReturned = NULL; DWORD ResumeHandle = NULL; service_status = (LPENUM_SERVICE_STATUS)LocalAlloc(LPTR, 1024 * 64);//分配内存，注意大小 //获取系统服务的简单信息 bool ESS = EnumServicesStatus(SCMan, //系统服务句柄 SERVICE_WIN32, //服务的类型 SERVICE_STATE_ALL, //服务的状态 (LPENUM_SERVICE_STATUS)service_status, //输出参数，系统服务的结构 1024 * 64, // 结构的大小 &cbBytesNeeded, //输出参数，接收返回所需的服务 &ServicesReturned, //输出参数，接收返回服务的数量 &ResumeHandle); //输入输出参数，第一次调用必须为0，返回为0代表成功 if(ESS == NULL) { printf("EnumServicesStatus Eorror/n"); return; } for(int i = 0; i < ServicesReturned; i++) { printf("服务名: %s ", service_status[i].lpDisplayName); switch(service_status[i].ServiceStatus.dwCurrentState)// 服务状态 { case SERVICE_CONTINUE_PENDING: printf("状态: 挂起"); break; case SERVICE_PAUSE_PENDING: printf("状态: 正在暂停 "); break; case SERVICE_PAUSED: printf("状态: 已暂停 "); break; case SERVICE_RUNNING: printf("状态: 运行 "); break; case SERVICE_START_PENDING: printf("状态: 启动 "); break; case SERVICE_STOPPED: printf("状态: 停止 "); break; default: printf("状态: 未知 "); break; } LPQUERY_SERVICE_CONFIG lpServiceConfig = NULL; //服务详细信息结构 SC_HANDLE service_curren = NULL; //当前的服务句柄 service_curren = OpenService(SCMan, service_status[i].lpServiceName, SERVICE_QUERY_CONFIG); //打开当前服务 lpServiceConfig = (LPQUERY_SERVICE_CONFIG)LocalAlloc(LPTR, 8 * 1024); //分配内存， 最大为8kb if(NULL == QueryServiceConfig(service_curren, lpServiceConfig, 8 * 1024, &ResumeHandle)) { printf("QueryServiceConfig Error/n"); return; } printf("路径: %s ", lpServiceConfig->lpBinaryPathName);//服务的路径 printf("/n"); CloseServiceHandle(service_curren);//关闭当前服务的句柄 } CloseServiceHandle(SCMan);//关闭服务管理器的句柄 } } }