1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
|
// ntservice.cpp
/* Copyright 2009 10gen Inc.
*
* Licensed under the Apache License, Version 2.0 (the "License");
* you may not use this file except in compliance with the License.
* You may obtain a copy of the License at
*
* http://www.apache.org/licenses/LICENSE-2.0
*
* Unless required by applicable law or agreed to in writing, software
* distributed under the License is distributed on an "AS IS" BASIS,
* WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
* See the License for the specific language governing permissions and
* limitations under the License.
*/
#include "pch.h"
#include "ntservice.h"
#include "winutil.h"
#include "text.h"
#include <direct.h>
#if defined(_WIN32)
namespace mongo {
void shutdown();
SERVICE_STATUS_HANDLE ServiceController::_statusHandle = NULL;
std::wstring ServiceController::_serviceName;
ServiceCallback ServiceController::_serviceCallback = NULL;
ServiceController::ServiceController() {
}
bool ServiceController::installService( const std::wstring& serviceName, const std::wstring& displayName, const std::wstring& serviceDesc, const std::wstring& serviceUser, const std::wstring& servicePassword, const std::string dbpath, int argc, char* argv[] ) {
assert(argc >= 1);
stringstream commandLine;
if ( strchr(argv[0], ':') ) { // a crude test for fully qualified path
commandLine << '"' << argv[0] << "\" ";
} else {
char buffer[256];
assert( _getcwd(buffer, 256) );
commandLine << '"' << buffer << '\\' << argv[0] << "\" ";
}
for ( int i = 1; i < argc; i++ ) {
std::string arg( argv[ i ] );
// replace install command to indicate process is being started as a service
if ( arg == "--install" || arg == "--reinstall" ) {
arg = "--service";
} else if ( arg == "--dbpath" && i + 1 < argc ) {
commandLine << arg << " \"" << dbpath << "\" ";
i++;
continue;
} else if ( arg.length() > 9 && arg.substr(0, 9) == "--service" ) {
// Strip off --service(Name|User|Password) arguments
continue;
}
commandLine << arg << " ";
}
SC_HANDLE schSCManager = ::OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );
if ( schSCManager == NULL ) {
DWORD err = ::GetLastError();
cerr << "Error connecting to the Service Control Manager: " << GetWinErrMsg(err) << endl;
return false;
}
// Make sure servise doesn't already exist.
// TODO: Check to see if service is in "Deleting" status, suggest the user close down Services MMC snap-ins.
SC_HANDLE schService = ::OpenService( schSCManager, serviceName.c_str(), SERVICE_ALL_ACCESS );
if ( schService != NULL ) {
cerr << "There is already a service named " << toUtf8String(serviceName) << ". Aborting" << endl;
::CloseServiceHandle( schService );
::CloseServiceHandle( schSCManager );
return false;
}
std::basic_ostringstream< TCHAR > commandLineWide;
commandLineWide << commandLine.str().c_str();
cerr << "Creating service " << toUtf8String(serviceName) << "." << endl;
// create new service
schService = ::CreateService( schSCManager, serviceName.c_str(), displayName.c_str(),
SERVICE_ALL_ACCESS, SERVICE_WIN32_OWN_PROCESS,
SERVICE_AUTO_START, SERVICE_ERROR_NORMAL,
commandLineWide.str().c_str(), NULL, NULL, L"\0\0", NULL, NULL );
if ( schService == NULL ) {
DWORD err = ::GetLastError();
cerr << "Error creating service: " << GetWinErrMsg(err) << endl;
::CloseServiceHandle( schSCManager );
return false;
}
cerr << "Service creation successful." << endl;
cerr << "Service can be started from the command line via 'net start \"" << toUtf8String(serviceName) << "\"'." << endl;
bool serviceInstalled;
// TODO: If neccessary grant user "Login as a Service" permission.
if ( !serviceUser.empty() ) {
std::wstring actualServiceUser;
if ( serviceUser.find(L"\\") == string::npos ) {
actualServiceUser = L".\\" + serviceUser;
}
else {
actualServiceUser = serviceUser;
}
cerr << "Setting service login credentials. User: " << toUtf8String(actualServiceUser) << endl;
serviceInstalled = ::ChangeServiceConfig( schService, SERVICE_NO_CHANGE, SERVICE_NO_CHANGE, SERVICE_NO_CHANGE, NULL, NULL, NULL, NULL, actualServiceUser.c_str(), servicePassword.c_str(), NULL );
if ( !serviceInstalled ) {
cerr << "Setting service login failed. Service has 'LocalService' permissions." << endl;
}
}
// set the service description
SERVICE_DESCRIPTION serviceDescription;
serviceDescription.lpDescription = (LPTSTR)serviceDesc.c_str();
serviceInstalled = ::ChangeServiceConfig2( schService, SERVICE_CONFIG_DESCRIPTION, &serviceDescription );
if ( serviceInstalled ) {
SC_ACTION aActions[ 3 ] = { { SC_ACTION_RESTART, 0 }, { SC_ACTION_RESTART, 0 }, { SC_ACTION_RESTART, 0 } };
SERVICE_FAILURE_ACTIONS serviceFailure;
ZeroMemory( &serviceFailure, sizeof( SERVICE_FAILURE_ACTIONS ) );
serviceFailure.cActions = 3;
serviceFailure.lpsaActions = aActions;
// set service recovery options
serviceInstalled = ::ChangeServiceConfig2( schService, SERVICE_CONFIG_FAILURE_ACTIONS, &serviceFailure );
}
else {
cerr << "Could not set service description. Check the event log for more details." << endl;
}
::CloseServiceHandle( schService );
::CloseServiceHandle( schSCManager );
return serviceInstalled;
}
bool ServiceController::removeService( const std::wstring& serviceName ) {
SC_HANDLE schSCManager = ::OpenSCManager( NULL, NULL, SC_MANAGER_ALL_ACCESS );
if ( schSCManager == NULL ) {
DWORD err = ::GetLastError();
cerr << "Error connecting to the Service Control Manager: " << GetWinErrMsg(err) << endl;
return false;
}
SC_HANDLE schService = ::OpenService( schSCManager, serviceName.c_str(), SERVICE_ALL_ACCESS );
if ( schService == NULL ) {
cerr << "Could not find a service named " << toUtf8String(serviceName) << " to uninstall." << endl;
::CloseServiceHandle( schSCManager );
return false;
}
SERVICE_STATUS serviceStatus;
// stop service if its running
if ( ::ControlService( schService, SERVICE_CONTROL_STOP, &serviceStatus ) ) {
cerr << "Service " << toUtf8String(serviceName) << " is currently running. Stopping service." << endl;
while ( ::QueryServiceStatus( schService, &serviceStatus ) ) {
if ( serviceStatus.dwCurrentState == SERVICE_STOP_PENDING )
{
Sleep( 1000 );
}
else { break; }
}
cerr << "Service stopped." << endl;
}
cerr << "Deleting service " << toUtf8String(serviceName) << "." << endl;
bool serviceRemoved = ::DeleteService( schService );
::CloseServiceHandle( schService );
::CloseServiceHandle( schSCManager );
if (serviceRemoved) {
cerr << "Service deleted successfully." << endl;
}
else {
cerr << "Failed to delete service." << endl;
}
return serviceRemoved;
}
bool ServiceController::startService( const std::wstring& serviceName, ServiceCallback startService ) {
_serviceName = serviceName;
_serviceCallback = startService;
SERVICE_TABLE_ENTRY dispTable[] = {
{ (LPTSTR)serviceName.c_str(), (LPSERVICE_MAIN_FUNCTION)ServiceController::initService },
{ NULL, NULL }
};
return StartServiceCtrlDispatcher( dispTable );
}
bool ServiceController::reportStatus( DWORD reportState, DWORD waitHint ) {
if ( _statusHandle == NULL )
return false;
static DWORD checkPoint = 1;
SERVICE_STATUS ssStatus;
ssStatus.dwServiceType = SERVICE_WIN32_OWN_PROCESS;
ssStatus.dwServiceSpecificExitCode = 0;
ssStatus.dwControlsAccepted = reportState == SERVICE_START_PENDING ? 0 : SERVICE_ACCEPT_STOP;
ssStatus.dwCurrentState = reportState;
ssStatus.dwWin32ExitCode = NO_ERROR;
ssStatus.dwWaitHint = waitHint;
ssStatus.dwCheckPoint = ( reportState == SERVICE_RUNNING || reportState == SERVICE_STOPPED ) ? 0 : checkPoint++;
return SetServiceStatus( _statusHandle, &ssStatus );
}
void WINAPI ServiceController::initService( DWORD argc, LPTSTR *argv ) {
_statusHandle = RegisterServiceCtrlHandler( _serviceName.c_str(), serviceCtrl );
if ( !_statusHandle )
return;
reportStatus( SERVICE_START_PENDING, 1000 );
_serviceCallback();
reportStatus( SERVICE_STOPPED );
}
void WINAPI ServiceController::serviceCtrl( DWORD ctrlCode ) {
switch ( ctrlCode ) {
case SERVICE_CONTROL_STOP:
case SERVICE_CONTROL_SHUTDOWN:
shutdown();
reportStatus( SERVICE_STOPPED );
return;
}
}
} // namespace mongo
#endif
|
