windows服务程序的安装和卸载函数

本文连接：https://www.cnblogs.com/jqdy/p/15079152.html
　　安装和卸载服务程序可以在命令行中使用 “sc install 服务名” 和 “sc uninstall 服务名”。
　　也可以将安装和卸载功能加入程序中去。
  1 #include <Windows.h>
  2 #include "WinApiFunc.h" // 引入 ApiPrinft
  3 #include "definition.h"   // 引入 SVCDESCRIPTION，即在服务管理中显示的简介内容
  4 
  5 #define BUFFER_SIZE 1020
  6 
  7 VOID SvcInstall(PCTSTR pszName)
  8 {
  9     SC_HANDLE schSCManager = NULL;
 10     SC_HANDLE schService = NULL;
 11     
 12     LPTSTR pszBuffer = NULL; // 各处使用的临时缓冲区
 13     pszBuffer = new TCHAR[BUFFER_SIZE];
 14 
 15     do {
 16 
 17         // Check directory length
 18 
 19         if (0 == GetCurrentDirectory(BUFFER_SIZE - 100, pszBuffer)) // 要预留文件名的位置，100个应该足够
 20         {
 21             ApiPrintf(3,
 22                 TEXT("Path is too long, select a short directory to install. "),
 23                 GetWindowsErrorString(pszBuffer, BUFFER_SIZE, GetLastError()), TEXT("
"));
 25             break;
 26         }
 27 
 28         // Get a handle to the SCM database.
 29 
 30         schSCManager = OpenSCManager(
 31             NULL,                   // local computer
 32             NULL,                   // ServicesActive database
 33             SC_MANAGER_ALL_ACCESS); // full access rights
 34 
 35         if (NULL == schSCManager)
 36         {
 37             ApiPrintf(3,
 38                 TEXT("OpenSCManager failed. "),
 39                 GetWindowsErrorString(pszBuffer, BUFFER_SIZE, GetLastError()), TEXT("
"));
 40             break;
 41         }
 42 
 43         // 取得文件当前的路径
 44 
 45         if (GetModuleFileName(NULL, pszBuffer, BUFFER_SIZE) == BUFFER_SIZE)
 46         {
 47             ApiPrintf(1, TEXT("Path string is too long, copy install file to a shorter path.
"));
 48             break;
 49         }
 50 
 51         // Create the service
 52 
 53         schService = CreateService(
 54             schSCManager,               // SCM database
 55             pszName,                    // name of service
 56             pszName,                    // service name to display
 57             SERVICE_ALL_ACCESS,         // desired access
 58             SERVICE_WIN32_OWN_PROCESS,  // service type
 59             SERVICE_AUTO_START,         // start type
 60             SERVICE_ERROR_NORMAL,       // error control type
 61             pszBuffer,                  // path to service's binary
 62             NULL,                       // no load ordering group
 63             NULL,                       // no tag identifier
 64             NULL,                       // no dependencies
 65             NULL,                       // LocalSystem account
 66             NULL);                      // no password
 67 
 68         if (NULL == schService)
 69         {
 70             ApiPrintf(3,
 71                 TEXT("CreateService failed. "),
 72                 GetWindowsErrorString(pszBuffer, BUFFER_SIZE, GetLastError()),
 73                 TEXT("
"));
 74             break;
 75         }
 76         else
 77         {
 78             // 写入服务描述内容
 79             TCHAR pszText[] = SVCDESCRIPTION;
 80             SERVICE_DESCRIPTION description{ pszText };
 81             ChangeServiceConfig2(schService, SERVICE_CONFIG_DESCRIPTION, &description);
 82 
 83             ApiPrintf(1, TEXT("Service installed successfully.
"));
 84         }
 85     } while (0);
 86 
 87     if (schSCManager)
 88     {
 89         CloseServiceHandle(schSCManager);
 90         schSCManager = NULL;
 91     }
 92     if (schService)
 93     {
 94         CloseServiceHandle(schService);
 95         schService = NULL;
 96     }
 97     if (!pszBuffer)
 98     {
 99         delete[]pszBuffer;
100         pszBuffer = NULL;
101     }
102 }
103 
104 VOID SvcUnInstall(PCTSTR pszServiceName)
105 {
106     SC_HANDLE schSCManager = NULL;
107     SC_HANDLE schService = NULL;
108     LPTSTR pszBuffer = NULL;
109     SERVICE_STATUS svcStatus;
110 
111     pszBuffer = new TCHAR[BUFFER_SIZE];
112     do {
113         // Open the local default service control manager database
114         schSCManager = OpenSCManager(
115             NULL,                   // local computer
116             NULL,                   // ServiceActive database
117             SC_MANAGER_ALL_ACCESS); // full access rights
118 
119         if (schSCManager == NULL)
120         {
121             ApiPrintf(3,
122                 TEXT("OpenSCManager failed. "),
123                 GetWindowsErrorString(pszBuffer, BUFFER_SIZE, GetLastError()),
124                 TEXT("
"));
125             break;
126         }
127 
128         // Open the service with delete, stop, and query status permissions
129         schService = OpenService(
130             schSCManager,
131             pszServiceName,
132             SERVICE_STOP | SERVICE_QUERY_STATUS | DELETE);
134 
135         if (schService == NULL)
136         {
137             ApiPrintf(3,
138                 TEXT("OpenService failed. "),
139                 GetWindowsErrorString(pszBuffer, BUFFER_SIZE, GetLastError()),
140                 TEXT("
"));
141             break;
142         }
143 
144         // Try to stop the service
145         if (ControlService(schService, SERVICE_CONTROL_STOP, &svcStatus))
146         {
147             ApiPrintf(2, pszServiceName, TEXT(" is stopping.
"));
148 
149             Sleep(1000);
150 
151             while (QueryServiceStatus(schService, &svcStatus))
152             {
153                 if (svcStatus.dwCurrentState == SERVICE_STOP_PENDING)
154                 {
155                     Sleep(1000);
156                 }
157                 else
158                 {
159                     break;
160                 }
161             }
162 
163             ApiPrintf(3,
164                 pszServiceName,
165                 (svcStatus.dwCurrentState == SERVICE_STOPPED ? TEXT(" is stopping.") : TEXT(" failed to stop.")),
166                 TEXT("
"));
167         }
168 
169         // Now remove the service by calling DeleteService.
170         if (!DeleteService(schService))
171         {
172             ApiPrintf(3,
173                 TEXT("DeleteService failed. "),
174                 GetWindowsErrorString(pszBuffer, BUFFER_SIZE, GetLastError()),
175                 TEXT("
"));
176             break;
177         }
178 
179         ApiPrintf(2, pszServiceName, TEXT(" is uninstalled.
"));
180 
181     } while (0);
182 
183     // Centralized cleanup for all allocated resources.
184     if (schSCManager)
185     {
186         CloseServiceHandle(schSCManager);
187         schSCManager = NULL;
188     }
189     if (schService)
190     {
191         CloseServiceHandle(schService);
192         schService = NULL;
193     }
194     if (!pszBuffer)
195     {
196         delete[] pszBuffer;
197         pszBuffer = NULL;
198     }
199 }