xref: /reactos/base/services/srvsvc/srvsvc.c (revision 53221834)
1 /*
2  *  ReactOS Services
3  *  Copyright (C) 2015 ReactOS Team
4  *
5  *  This program is free software; you can redistribute it and/or modify
6  *  it under the terms of the GNU General Public License as published by
7  *  the Free Software Foundation; either version 2 of the License, or
8  *  (at your option) any later version.
9  *
10  *  This program is distributed in the hope that it will be useful,
11  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
12  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
13  *  GNU General Public License for more details.
14  *
15  *  You should have received a copy of the GNU General Public License along
16  *  with this program; if not, write to the Free Software Foundation, Inc.,
17  *  51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
18  */
19 /*
20  * COPYRIGHT:        See COPYING in the top level directory
21  * PROJECT:          ReactOS Services
22  * FILE:             base/services/srvsvc/srvsvc.c
23  * PURPOSE:          Server service
24  * PROGRAMMER:       Eric Kohl
25  */
26 
27 /* INCLUDES *****************************************************************/
28 
29 #include "precomp.h"
30 
31 WINE_DEFAULT_DEBUG_CHANNEL(srvsvc);
32 
33 /* GLOBALS ******************************************************************/
34 
35 static WCHAR ServiceName[] = L"Lanmanserver";
36 
37 static SERVICE_STATUS_HANDLE ServiceStatusHandle;
38 static SERVICE_STATUS ServiceStatus;
39 
40 DWORD dwServiceBits = 0;
41 
42 
43 /* FUNCTIONS *****************************************************************/
44 
45 static VOID
46 UpdateServiceStatus(DWORD dwState)
47 {
48     ServiceStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
49     ServiceStatus.dwCurrentState = dwState;
50     ServiceStatus.dwControlsAccepted = 0;
51     ServiceStatus.dwWin32ExitCode = 0;
52     ServiceStatus.dwServiceSpecificExitCode = 0;
53     ServiceStatus.dwCheckPoint = 0;
54 
55     if (dwState == SERVICE_START_PENDING ||
56         dwState == SERVICE_STOP_PENDING ||
57         dwState == SERVICE_PAUSE_PENDING ||
58         dwState == SERVICE_CONTINUE_PENDING)
59         ServiceStatus.dwWaitHint = 10000;
60     else
61         ServiceStatus.dwWaitHint = 0;
62 
63     if (dwState == SERVICE_RUNNING)
64         ServiceStatus.dwControlsAccepted = SERVICE_ACCEPT_STOP | SERVICE_ACCEPT_SHUTDOWN;
65 
66     SetServiceStatus(ServiceStatusHandle,
67                      &ServiceStatus);
68 }
69 
70 static DWORD WINAPI
71 ServiceControlHandler(DWORD dwControl,
72                       DWORD dwEventType,
73                       LPVOID lpEventData,
74                       LPVOID lpContext)
75 {
76     TRACE("ServiceControlHandler() called\n");
77 
78     switch (dwControl)
79     {
80         case SERVICE_CONTROL_STOP:
81             TRACE("  SERVICE_CONTROL_STOP received\n");
82             UpdateServiceStatus(SERVICE_STOP_PENDING);
83             /* Stop listening to incoming RPC messages */
84             RpcMgmtStopServerListening(NULL);
85             UpdateServiceStatus(SERVICE_STOPPED);
86             return ERROR_SUCCESS;
87 
88         case SERVICE_CONTROL_PAUSE:
89             TRACE("  SERVICE_CONTROL_PAUSE received\n");
90             UpdateServiceStatus(SERVICE_PAUSED);
91             return ERROR_SUCCESS;
92 
93         case SERVICE_CONTROL_CONTINUE:
94             TRACE("  SERVICE_CONTROL_CONTINUE received\n");
95             UpdateServiceStatus(SERVICE_RUNNING);
96             return ERROR_SUCCESS;
97 
98         case SERVICE_CONTROL_INTERROGATE:
99             TRACE("  SERVICE_CONTROL_INTERROGATE received\n");
100             SetServiceStatus(ServiceStatusHandle,
101                              &ServiceStatus);
102             return ERROR_SUCCESS;
103 
104         case SERVICE_CONTROL_SHUTDOWN:
105             TRACE("  SERVICE_CONTROL_SHUTDOWN received\n");
106             UpdateServiceStatus(SERVICE_STOP_PENDING);
107             /* Stop listening to incoming RPC messages */
108             RpcMgmtStopServerListening(NULL);
109             UpdateServiceStatus(SERVICE_STOPPED);
110             return ERROR_SUCCESS;
111 
112         default :
113             TRACE("  Control %lu received\n", dwControl);
114             return ERROR_CALL_NOT_IMPLEMENTED;
115     }
116 }
117 
118 
119 static
120 DWORD
121 ServiceInit(VOID)
122 {
123     HANDLE hThread;
124 
125     hThread = CreateThread(NULL,
126                            0,
127                            (LPTHREAD_START_ROUTINE)RpcThreadRoutine,
128                            NULL,
129                            0,
130                            NULL);
131 
132     if (!hThread)
133     {
134         ERR("Can't create PortThread\n");
135         return GetLastError();
136     }
137     else
138         CloseHandle(hThread);
139 
140     /* Report a running server service */
141     SetServiceBits(ServiceStatusHandle,
142                    SV_TYPE_SERVER,
143                    TRUE,
144                    TRUE);
145 
146     return ERROR_SUCCESS;
147 }
148 
149 
150 VOID
151 WINAPI
152 ServiceMain(DWORD argc, LPTSTR *argv)
153 {
154     DWORD dwError;
155 
156     UNREFERENCED_PARAMETER(argc);
157     UNREFERENCED_PARAMETER(argv);
158 
159     TRACE("ServiceMain() called\n");
160 
161     ServiceStatusHandle = RegisterServiceCtrlHandlerExW(ServiceName,
162                                                         ServiceControlHandler,
163                                                         NULL);
164     if (!ServiceStatusHandle)
165     {
166         ERR("RegisterServiceCtrlHandlerExW() failed! (Error %lu)\n", GetLastError());
167         return;
168     }
169 
170     UpdateServiceStatus(SERVICE_START_PENDING);
171 
172     dwError = ServiceInit();
173     if (dwError != ERROR_SUCCESS)
174     {
175         ERR("Service stopped (dwError: %lu\n", dwError);
176         UpdateServiceStatus(SERVICE_STOPPED);
177         return;
178     }
179 
180     UpdateServiceStatus(SERVICE_RUNNING);
181 }
182 
183 
184 BOOL WINAPI
185 DllMain(HINSTANCE hinstDLL,
186         DWORD fdwReason,
187         LPVOID lpvReserved)
188 {
189     switch (fdwReason)
190     {
191         case DLL_PROCESS_ATTACH:
192             DisableThreadLibraryCalls(hinstDLL);
193             break;
194 
195         case DLL_PROCESS_DETACH:
196             break;
197     }
198 
199     return TRUE;
200 }
201