summaryrefslogtreecommitdiff
path: root/sql/nt_servc.cc
blob: d6a8eac7ed58ccc250b89cc065771621927c2803 (plain)
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
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
372
373
374
375
376
377
378
379
380
381
382
383
384
385
386
387
388
389
390
391
392
393
394
395
396
397
398
399
400
401
402
403
404
405
406
407
408
409
410
411
412
413
414
415
416
417
418
419
420
421
422
423
424
425
426
427
428
429
430
431
432
433
434
435
436
437
438
439
440
441
442
443
444
445
446
447
448
449
450
451
452
453
454
455
456
457
458
459
460
461
462
463
464
465
466
467
468
469
470
471
472
473
474
475
476
477
478
479
480
481
482
483
484
485
486
487
488
489
490
491
492
493
494
495
496
497
498
499
500
501
502
503
504
505
506
507
508
509
510
511
512
513
514
515
516
517
518
519
520
521
522
523
524
525
526
527
528
529
530
531
532
533
534
535
536
537
538
539
540
541
542
543
544
545
546
547
548
549
550
551
552
553
554
555
556
557
558
559
560
561
562
563
564
565
566
567
568
569
/**
  @file

  @brief
  Windows NT Service class library.

  Copyright Abandoned 1998 Irena Pancirov - Irnet Snc
  This file is public domain and comes with NO WARRANTY of any kind
*/
#include <windows.h>
#include <process.h>
#include <stdio.h>
#include <stdlib.h>
#include "nt_servc.h"


static NTService *pService;

/* ------------------------------------------------------------------------

 -------------------------------------------------------------------------- */
NTService::NTService()
{

    bOsNT	     = FALSE;
    //service variables
    ServiceName      = NULL;
    hExitEvent	     = 0;
    bPause	     = FALSE;
    bRunning	     = FALSE;
    hThreadHandle    = 0;
    fpServiceThread  = NULL;

    //time-out variables
    nStartTimeOut    = 15000;
    nStopTimeOut     = 86400000;
    nPauseTimeOut    = 5000;
    nResumeTimeOut   = 5000;

    //install variables
    dwDesiredAccess  = SERVICE_ALL_ACCESS;
    dwServiceType    = SERVICE_WIN32_OWN_PROCESS;
    dwStartType      = SERVICE_AUTO_START;
    dwErrorControl   = SERVICE_ERROR_NORMAL;
    szLoadOrderGroup = NULL;
    lpdwTagID	     = NULL;
    szDependencies   = NULL;

    my_argc	     = 0;
    my_argv	     = NULL;
    hShutdownEvent   = 0;
    nError	     = 0;
    dwState	     = 0;
}

/* ------------------------------------------------------------------------

 -------------------------------------------------------------------------- */
NTService::~NTService()
{
  if (ServiceName != NULL) delete[] ServiceName;
}
/* ------------------------------------------------------------------------

 -------------------------------------------------------------------------- */

BOOL NTService::GetOS()
{
  bOsNT = FALSE;
  memset(&osVer, 0, sizeof(OSVERSIONINFO));
  osVer.dwOSVersionInfoSize = sizeof(OSVERSIONINFO);
  if (GetVersionEx(&osVer))
  {
    if (osVer.dwPlatformId == VER_PLATFORM_WIN32_NT)
      bOsNT = TRUE;
  }
  return bOsNT;
}


/**
  Registers the main service thread with the service manager.

  @param ServiceThread  pointer to the main programs entry function
                        when the service is started
*/


long NTService::Init(LPCSTR szInternName,void *ServiceThread)
{

  pService = this;

  fpServiceThread = (THREAD_FC)ServiceThread;
  ServiceName = new char[lstrlen(szInternName)+1];
  lstrcpy(ServiceName,szInternName);

  SERVICE_TABLE_ENTRY stb[] =
  {
    { (char *)szInternName,(LPSERVICE_MAIN_FUNCTION) ServiceMain} ,
    { NULL, NULL }
  };

  return StartServiceCtrlDispatcher(stb); //register with the Service Manager
}


/**
  Installs the service with Service manager.

  nError values:
  - 0  success
  - 1  Can't open the Service manager
  - 2  Failed to create service.
*/


BOOL NTService::Install(int startType, LPCSTR szInternName,
			LPCSTR szDisplayName,
			LPCSTR szFullPath, LPCSTR szAccountName,
			LPCSTR szPassword)
{
  BOOL ret_val=FALSE;
  SC_HANDLE newService, scm;

  if (!SeekStatus(szInternName,1))
   return FALSE;

  char szFilePath[_MAX_PATH];
  GetModuleFileName(NULL, szFilePath, sizeof(szFilePath));

  // open a connection to the SCM
  if (!(scm = OpenSCManager(0, 0,SC_MANAGER_CREATE_SERVICE)))
    printf("Failed to install the service (Couldn't open the SCM)\n");
  else 				// Install the new service
  {
    if (!(newService=
	  CreateService(scm,
			szInternName,
			szDisplayName,
			dwDesiredAccess,//default: SERVICE_ALL_ACCESS
			dwServiceType,	//default: SERVICE_WIN32_OWN_PROCESS
		    			//default: SERVICE_AUTOSTART
			(startType == 1 ? SERVICE_AUTO_START :
			 SERVICE_DEMAND_START),
			dwErrorControl,	//default: SERVICE_ERROR_NORMAL
			szFullPath,	//exec full path
			szLoadOrderGroup, //default: NULL
			lpdwTagID,	//default: NULL
			szDependencies,	//default: NULL
			szAccountName,	//default: NULL
			szPassword)))	//default: NULL
      printf("Failed to install the service (Couldn't create service)\n");
     else
     {
       printf("Service successfully installed.\n");
       CloseServiceHandle(newService);
       ret_val=TRUE;				// Everything went ok
     }
     CloseServiceHandle(scm);
  }
  return ret_val;
}


/**
  Removes  the service.

  nError values:
  - 0  success
  - 1  Can't open the Service manager
  - 2  Failed to locate service
  - 3  Failed to delete service.
*/


BOOL NTService::Remove(LPCSTR szInternName)
{
  BOOL ret_value=FALSE;
  SC_HANDLE service, scm;

  if (!SeekStatus(szInternName,0))
   return FALSE;

  nError=0;

  // open a connection to the SCM
  if (!(scm = OpenSCManager(0, 0,SC_MANAGER_CREATE_SERVICE)))
  {
    printf("Failed to remove the service (Couldn't open the SCM)\n");
  }
  else
  {
    if ((service = OpenService(scm,szInternName, DELETE)))
    {
      if (!DeleteService(service))
        printf("Failed to remove the service\n");
      else
      {
        printf("Service successfully removed.\n");
	ret_value=TRUE;				// everything went ok
      }
      CloseServiceHandle(service);
    }
    else
      printf("Failed to remove the service (Couldn't open the service)\n");
    CloseServiceHandle(scm);
  }
  return ret_value;
}

/**
  this function should be called before the app. exits to stop
  the service
*/
void NTService::Stop(void)
{
  SetStatus(SERVICE_STOP_PENDING,NO_ERROR, 0, 1, 60000);
  StopService();
  SetStatus(SERVICE_STOPPED, NO_ERROR, 0, 1, 1000);
}

/**
  This is the function that is called from the
  service manager to start the service.
*/


void NTService::ServiceMain(DWORD argc, LPTSTR *argv)
{

  // registration function
  if (!(pService->hServiceStatusHandle =
	RegisterServiceCtrlHandler(pService->ServiceName,
				   (LPHANDLER_FUNCTION)
				   NTService::ServiceCtrlHandler)))
    goto error;

  // notify SCM of progress
  if (!pService->SetStatus(SERVICE_START_PENDING,NO_ERROR, 0, 1, 8000))
    goto error;

  // create the exit event
  if (!(pService->hExitEvent = CreateEvent (0, TRUE, FALSE,0)))
    goto error;

  if (!pService->SetStatus(SERVICE_START_PENDING,NO_ERROR, 0, 3,
			   pService->nStartTimeOut))
    goto error;

  // save start arguments
  pService->my_argc=argc;
  pService->my_argv=argv;

  // start the service
  if (!pService->StartService())
    goto error;

  // wait for exit event
  WaitForSingleObject (pService->hExitEvent, INFINITE);

  // wait for thread to exit
  if (WaitForSingleObject (pService->hThreadHandle, INFINITE) == WAIT_TIMEOUT)
   CloseHandle(pService->hThreadHandle);

  pService->Exit(0);
  return;

error:
  pService->Exit(GetLastError());
  return;
}



void NTService::SetRunning()
{
  if (pService)
    pService->SetStatus(SERVICE_RUNNING, NO_ERROR, 0, 0, 0);
}

void NTService::SetSlowStarting(unsigned long timeout)
{
  if (pService)
    pService->SetStatus(SERVICE_START_PENDING,NO_ERROR, 0, 0, timeout);
}


/* ------------------------------------------------------------------------
   StartService() - starts the application thread
 -------------------------------------------------------------------------- */

BOOL NTService::StartService()
{
  // Start the real service's thread (application)
  if (!(hThreadHandle = (HANDLE) _beginthread((THREAD_FC)fpServiceThread,0,
					      (void *) this)))
    return FALSE;
  bRunning = TRUE;
  return TRUE;
}
/* ------------------------------------------------------------------------

 -------------------------------------------------------------------------- */
void NTService::StopService()
{
  bRunning=FALSE;

  // Set the event for application
  if (hShutdownEvent)
     SetEvent(hShutdownEvent);

  // Set the event for ServiceMain
  SetEvent(hExitEvent);
}
/* ------------------------------------------------------------------------

 -------------------------------------------------------------------------- */
void NTService::PauseService()
{
  bPause = TRUE;
  SuspendThread(hThreadHandle);
}
/* ------------------------------------------------------------------------

 -------------------------------------------------------------------------- */
void NTService::ResumeService()
{
  bPause=FALSE;
  ResumeThread(hThreadHandle);
}
/* ------------------------------------------------------------------------

 -------------------------------------------------------------------------- */
BOOL NTService::SetStatus (DWORD dwCurrentState,DWORD dwWin32ExitCode,
			   DWORD dwServiceSpecificExitCode, DWORD dwCheckPoint,
			   DWORD dwWaitHint)
{
  BOOL bRet;
  SERVICE_STATUS serviceStatus;

  dwState=dwCurrentState;

  serviceStatus.dwServiceType	= SERVICE_WIN32_OWN_PROCESS;
  serviceStatus.dwCurrentState = dwCurrentState;

  if (dwCurrentState == SERVICE_START_PENDING)
    serviceStatus.dwControlsAccepted = 0;	//don't accept control events
  else
    serviceStatus.dwControlsAccepted =    (SERVICE_ACCEPT_STOP |
					   SERVICE_ACCEPT_PAUSE_CONTINUE |
					   SERVICE_ACCEPT_SHUTDOWN);

  // if a specific exit code is defined,set up the win32 exit code properly
  if (dwServiceSpecificExitCode == 0)
    serviceStatus.dwWin32ExitCode = dwWin32ExitCode;
  else
    serviceStatus.dwWin32ExitCode = ERROR_SERVICE_SPECIFIC_ERROR;

  serviceStatus.dwServiceSpecificExitCode = dwServiceSpecificExitCode;

  serviceStatus.dwCheckPoint = dwCheckPoint;
  serviceStatus.dwWaitHint   = dwWaitHint;

  // Pass the status to the Service Manager
  if (!(bRet=SetServiceStatus (hServiceStatusHandle, &serviceStatus)))
    StopService();

  return bRet;
}
/* ------------------------------------------------------------------------

 -------------------------------------------------------------------------- */
void NTService::ServiceCtrlHandler(DWORD ctrlCode)
{
  DWORD  dwState;

  if (!pService)
    return;

  dwState=pService->dwState;  // get current state

  switch(ctrlCode) {
  case SERVICE_CONTROL_SHUTDOWN:
  case SERVICE_CONTROL_STOP:
    dwState = SERVICE_STOP_PENDING;
    pService->SetStatus(SERVICE_STOP_PENDING,NO_ERROR, 0, 1,
			pService->nStopTimeOut);
    pService->StopService();
    break;

  default:
    pService->SetStatus(dwState, NO_ERROR,0, 0, 0);
    break;
  }
  //pService->SetStatus(dwState, NO_ERROR,0, 0, 0);
}

/* ------------------------------------------------------------------------

 -------------------------------------------------------------------------- */

void NTService::Exit(DWORD error)
{
  if (hExitEvent)
    CloseHandle(hExitEvent);

  // Send a message to the scm to tell that we stop
  if (hServiceStatusHandle)
    SetStatus(SERVICE_STOPPED, error,0, 0, 0);

  // If the thread has started kill it ???
  // if (hThreadHandle) CloseHandle(hThreadHandle);

}

/* ------------------------------------------------------------------------

 -------------------------------------------------------------------------- */

BOOL NTService::SeekStatus(LPCSTR szInternName, int OperationType)
{
  BOOL ret_value=FALSE;
  SC_HANDLE service, scm;

  // open a connection to the SCM
  if (!(scm = OpenSCManager(0, 0,SC_MANAGER_CREATE_SERVICE)))
  {
    DWORD ret_error=GetLastError();
    if (ret_error == ERROR_ACCESS_DENIED)
    {
     printf("Install/Remove of the Service Denied!\n");
     if (!is_super_user())
      printf("That operation should be made by an user with Administrator privileges!\n");
    }
    else
     printf("There is a problem for to open the Service Control Manager!\n");
  }
  else
  {
    if (OperationType == 1)
    {
      /* an install operation */
      if ((service = OpenService(scm,szInternName, SERVICE_ALL_ACCESS )))
      {
	LPQUERY_SERVICE_CONFIG ConfigBuf;
	DWORD dwSize;

	ConfigBuf = (LPQUERY_SERVICE_CONFIG) LocalAlloc(LPTR, 4096);
	printf("The service already exists!\n");
	if (QueryServiceConfig(service,ConfigBuf,4096,&dwSize))
	  printf("The current server installed: %s\n",
		 ConfigBuf->lpBinaryPathName);
	LocalFree(ConfigBuf);
	CloseServiceHandle(service);
      }
      else
	ret_value=TRUE;
    }
    else
    {
      /* a remove operation */
      if (!(service = OpenService(scm,szInternName, SERVICE_ALL_ACCESS )))
	printf("The service doesn't exist!\n");
      else
      {
	SERVICE_STATUS ss;

	memset(&ss, 0, sizeof(ss));
	if (QueryServiceStatus(service,&ss))
	{
	  DWORD dwState = ss.dwCurrentState;
	  if (dwState == SERVICE_RUNNING)
	    printf("Failed to remove the service because the service is running\nStop the service and try again\n");
	  else if (dwState == SERVICE_STOP_PENDING)
	    printf("\
Failed to remove the service because the service is in stop pending state!\n\
Wait 30 seconds and try again.\n\
If this condition persist, reboot the machine and try again\n");
	  else
	    ret_value= TRUE;
	}
	CloseServiceHandle(service);
      }
    }
    CloseServiceHandle(scm);
  }

  return ret_value;
}
/* ------------------------------------------------------------------------
 -------------------------------------------------------------------------- */
BOOL NTService::IsService(LPCSTR ServiceName)
{
  BOOL ret_value=FALSE;
  SC_HANDLE service, scm;
  
  if ((scm= OpenSCManager(0, 0,SC_MANAGER_ENUMERATE_SERVICE)))
  {
    if ((service = OpenService(scm,ServiceName, SERVICE_QUERY_STATUS)))
    {
      ret_value=TRUE;
      CloseServiceHandle(service);
    }
    CloseServiceHandle(scm);
  }
  return ret_value;
}
/* ------------------------------------------------------------------------
 -------------------------------------------------------------------------- */
BOOL NTService::got_service_option(char **argv, char *service_option)
{
  char *option;
  for (option= argv[1]; *option; option++)
    if (!strcmp(option, service_option))
      return TRUE;
  return FALSE;
}
/* ------------------------------------------------------------------------
 -------------------------------------------------------------------------- */
BOOL NTService::is_super_user()
{
  HANDLE hAccessToken;
  UCHAR InfoBuffer[1024];
  PTOKEN_GROUPS ptgGroups=(PTOKEN_GROUPS)InfoBuffer;
  DWORD dwInfoBufferSize;
  PSID psidAdministrators;
  SID_IDENTIFIER_AUTHORITY siaNtAuthority = SECURITY_NT_AUTHORITY;
  UINT x;
  BOOL ret_value=FALSE;
 
  if (!OpenThreadToken(GetCurrentThread(), TOKEN_QUERY, TRUE,&hAccessToken ))
  {
   if (GetLastError() != ERROR_NO_TOKEN)
     return FALSE;
 
   if (!OpenProcessToken(GetCurrentProcess(), TOKEN_QUERY, &hAccessToken))
     return FALSE;
  }
 
  ret_value= GetTokenInformation(hAccessToken,TokenGroups,InfoBuffer,
                                 1024, &dwInfoBufferSize);

  CloseHandle(hAccessToken);
 
  if (!ret_value )
    return FALSE;
 
  if (!AllocateAndInitializeSid(&siaNtAuthority, 2,
				SECURITY_BUILTIN_DOMAIN_RID,
				DOMAIN_ALIAS_RID_ADMINS,
				0, 0, 0, 0, 0, 0,
				&psidAdministrators))
    return FALSE;

  ret_value = FALSE;
 
  for (x=0;x<ptgGroups->GroupCount;x++)
  {
   if ( EqualSid(psidAdministrators, ptgGroups->Groups[x].Sid) )
   {
    ret_value = TRUE;
    break;
   }
 
  }
  FreeSid(psidAdministrators);
  return ret_value;
}