f393a9a464957c35df3bae9ffe97d10743690544
[ira/wip.git] / source3 / rpc_server / srv_svcctl_nt.c
1 /*
2  *  Unix SMB/CIFS implementation.
3  *  RPC Pipe client / server routines
4  *
5  *  Copyright (C) Marcin Krzysztof Porwit           2005.
6  *
7  *  Largely Rewritten (Again) by:
8  *  Copyright (C) Gerald (Jerry) Carter             2005.
9  *  Copyright (C) Guenther Deschner                 2008,2009.
10  *
11  *  This program is free software; you can redistribute it and/or modify
12  *  it under the terms of the GNU General Public License as published by
13  *  the Free Software Foundation; either version 3 of the License, or
14  *  (at your option) any later version.
15  *
16  *  This program is distributed in the hope that it will be useful,
17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
19  *  GNU General Public License for more details.
20  *
21  *  You should have received a copy of the GNU General Public License
22  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
23  */
24
25 #include "includes.h"
26
27 #undef DBGC_CLASS
28 #define DBGC_CLASS DBGC_RPC_SRV
29
30 struct service_control_op {
31         const char *name;
32         SERVICE_CONTROL_OPS *ops;
33 };
34
35 /* handle external services */
36 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
37
38 /* builtin services (see service_db.c and services/svc_*.c */
39 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
40 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
41 extern SERVICE_CONTROL_OPS winreg_svc_ops;
42 extern SERVICE_CONTROL_OPS wins_svc_ops;
43
44 /* make sure this number patches the number of builtin
45    SERVICE_CONTROL_OPS structure listed above */
46
47 #define SVCCTL_NUM_INTERNAL_SERVICES    4
48
49 struct service_control_op *svcctl_ops;
50
51 static const struct generic_mapping scm_generic_map =
52         { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
53 static const struct generic_mapping svc_generic_map =
54         { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
55
56
57 /********************************************************************
58 ********************************************************************/
59
60 bool init_service_op_table( void )
61 {
62         const char **service_list = lp_svcctl_list();
63         int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
64         int i;
65
66         if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
67                 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
68                 return False;
69         }
70
71         /* services listed in smb.conf get the rc.init interface */
72
73         for ( i=0; service_list && service_list[i]; i++ ) {
74                 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
75                 svcctl_ops[i].ops  = &rcinit_svc_ops;
76         }
77
78         /* add builtin services */
79
80         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
81         svcctl_ops[i].ops  = &spoolss_svc_ops;
82         i++;
83
84         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
85         svcctl_ops[i].ops  = &netlogon_svc_ops;
86         i++;
87
88         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
89         svcctl_ops[i].ops  = &winreg_svc_ops;
90         i++;
91
92         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
93         svcctl_ops[i].ops  = &wins_svc_ops;
94         i++;
95
96         /* NULL terminate the array */
97
98         svcctl_ops[i].name = NULL;
99         svcctl_ops[i].ops  = NULL;
100
101         return True;
102 }
103
104 /********************************************************************
105 ********************************************************************/
106
107 static struct service_control_op* find_service_by_name( const char *name )
108 {
109         int i;
110
111         for ( i=0; svcctl_ops[i].name; i++ ) {
112                 if ( strequal( name, svcctl_ops[i].name ) )
113                         return &svcctl_ops[i];
114         }
115
116         return NULL;
117 }
118 /********************************************************************
119 ********************************************************************/
120
121 static NTSTATUS svcctl_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token,
122                                      uint32 access_desired, uint32 *access_granted )
123 {
124         if ( geteuid() == sec_initial_uid() ) {
125                 DEBUG(5,("svcctl_access_check: using root's token\n"));
126                 token = get_root_nt_token();
127         }
128
129         return se_access_check( sec_desc, token, access_desired, access_granted);
130 }
131
132 /********************************************************************
133 ********************************************************************/
134
135 static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx )
136 {
137         SEC_ACE ace[2];
138         size_t i = 0;
139         SEC_DESC *sd;
140         SEC_ACL *theacl;
141         size_t sd_size;
142
143         /* basic access for Everyone */
144
145         init_sec_ace(&ace[i++], &global_sid_World,
146                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
147
148         /* Full Access 'BUILTIN\Administrators' */
149
150         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
151                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
152
153
154         /* create the security descriptor */
155
156         if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
157                 return NULL;
158
159         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
160                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
161                                   theacl, &sd_size)) )
162                 return NULL;
163
164         return sd;
165 }
166
167 /******************************************************************
168  Find a registry key handle and return a SERVICE_INFO
169  *****************************************************************/
170
171 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, struct policy_handle *hnd)
172 {
173         SERVICE_INFO *service_info = NULL;
174
175         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
176                 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
177                 return NULL;
178         }
179
180         return service_info;
181 }
182
183 /******************************************************************
184  *****************************************************************/
185
186 static WERROR create_open_service_handle( pipes_struct *p, struct policy_handle *handle, uint32 type,
187                                           const char *service, uint32 access_granted )
188 {
189         SERVICE_INFO *info = NULL;
190         WERROR result = WERR_OK;
191         struct service_control_op *s_op;
192
193         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
194                 return WERR_NOMEM;
195
196         /* the Service Manager has a NULL name */
197
198         info->type = SVC_HANDLE_IS_SCM;
199
200         switch ( type ) {
201         case SVC_HANDLE_IS_SCM:
202                 info->type = SVC_HANDLE_IS_SCM;
203                 break;
204
205         case SVC_HANDLE_IS_DBLOCK:
206                 info->type = SVC_HANDLE_IS_DBLOCK;
207                 break;
208
209         case SVC_HANDLE_IS_SERVICE:
210                 info->type = SVC_HANDLE_IS_SERVICE;
211
212                 /* lookup the SERVICE_CONTROL_OPS */
213
214                 if ( !(s_op = find_service_by_name( service )) ) {
215                         result = WERR_NO_SUCH_SERVICE;
216                         goto done;
217                 }
218
219                 info->ops = s_op->ops;
220
221                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
222                         result = WERR_NOMEM;
223                         goto done;
224                 }
225                 break;
226
227         default:
228                 result = WERR_NO_SUCH_SERVICE;
229                 goto done;
230         }
231
232         info->access_granted = access_granted;
233
234         /* store the SERVICE_INFO and create an open handle */
235
236         if ( !create_policy_hnd( p, handle, info ) ) {
237                 result = WERR_ACCESS_DENIED;
238                 goto done;
239         }
240
241 done:
242         if ( !W_ERROR_IS_OK(result) )
243                 TALLOC_FREE(info);
244
245         return result;
246 }
247
248 /********************************************************************
249  _svcctl_OpenSCManagerW
250 ********************************************************************/
251
252 WERROR _svcctl_OpenSCManagerW(pipes_struct *p,
253                               struct svcctl_OpenSCManagerW *r)
254 {
255         SEC_DESC *sec_desc;
256         uint32 access_granted = 0;
257         NTSTATUS status;
258
259         /* perform access checks */
260
261         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
262                 return WERR_NOMEM;
263
264         se_map_generic( &r->in.access_mask, &scm_generic_map );
265         status = svcctl_access_check( sec_desc, p->server_info->ptok,
266                                       r->in.access_mask, &access_granted );
267         if ( !NT_STATUS_IS_OK(status) )
268                 return ntstatus_to_werror( status );
269
270         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
271 }
272
273 /********************************************************************
274  _svcctl_OpenServiceW
275 ********************************************************************/
276
277 WERROR _svcctl_OpenServiceW(pipes_struct *p,
278                             struct svcctl_OpenServiceW *r)
279 {
280         SEC_DESC *sec_desc;
281         uint32 access_granted = 0;
282         NTSTATUS status;
283         const char *service = NULL;
284
285         service = r->in.ServiceName;
286         if (!service) {
287                 return WERR_NOMEM;
288         }
289         DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
290
291         /* based on my tests you can open a service if you have a valid scm handle */
292
293         if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
294                 return WERR_BADFID;
295
296         /* perform access checks.  Use the root token in order to ensure that we
297            retrieve the security descriptor */
298
299         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
300                 return WERR_NOMEM;
301
302         se_map_generic( &r->in.access_mask, &svc_generic_map );
303         status = svcctl_access_check( sec_desc, p->server_info->ptok,
304                                       r->in.access_mask, &access_granted );
305         if ( !NT_STATUS_IS_OK(status) )
306                 return ntstatus_to_werror( status );
307
308         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
309 }
310
311 /********************************************************************
312  _svcctl_CloseServiceHandle
313 ********************************************************************/
314
315 WERROR _svcctl_CloseServiceHandle(pipes_struct *p,
316                                   struct svcctl_CloseServiceHandle *r)
317 {
318         if ( !close_policy_hnd( p, r->in.handle ) )
319                 return  WERR_BADFID;
320
321         ZERO_STRUCTP(r->out.handle);
322
323         return WERR_OK;
324 }
325
326 /********************************************************************
327  _svcctl_GetServiceDisplayNameW
328 ********************************************************************/
329
330 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p,
331                                       struct svcctl_GetServiceDisplayNameW *r)
332 {
333         const char *service;
334         const char *display_name;
335         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
336
337         /* can only use an SCM handle here */
338
339         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
340                 return WERR_BADFID;
341
342         service = r->in.service_name;
343
344         display_name = svcctl_lookup_dispname(p->mem_ctx, service,
345                                               p->server_info->ptok);
346         if (!display_name) {
347                 display_name = "";
348         }
349
350         *r->out.display_name = display_name;
351         *r->out.display_name_length = strlen(display_name);
352
353         return WERR_OK;
354 }
355
356 /********************************************************************
357  _svcctl_QueryServiceStatus
358 ********************************************************************/
359
360 WERROR _svcctl_QueryServiceStatus(pipes_struct *p,
361                                   struct svcctl_QueryServiceStatus *r)
362 {
363         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
364
365         /* perform access checks */
366
367         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
368                 return WERR_BADFID;
369
370         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
371                 return WERR_ACCESS_DENIED;
372
373         /* try the service specific status call */
374
375         return info->ops->service_status( info->name, r->out.service_status );
376 }
377
378 /********************************************************************
379 ********************************************************************/
380
381 static int enumerate_status( TALLOC_CTX *ctx, struct ENUM_SERVICE_STATUSW **status, NT_USER_TOKEN *token )
382 {
383         int num_services = 0;
384         int i;
385         struct ENUM_SERVICE_STATUSW *st;
386         const char *display_name;
387
388         /* just count */
389         while ( svcctl_ops[num_services].name )
390                 num_services++;
391
392         if ( !(st = TALLOC_ARRAY( ctx, struct ENUM_SERVICE_STATUSW, num_services )) ) {
393                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
394                 return -1;
395         }
396
397         for ( i=0; i<num_services; i++ ) {
398                 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
399
400                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
401                 st[i].display_name = talloc_strdup(st, display_name ? display_name : "");
402
403                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
404         }
405
406         *status = st;
407
408         return num_services;
409 }
410
411 /********************************************************************
412  _svcctl_EnumServicesStatusW
413 ********************************************************************/
414
415 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p,
416                                    struct svcctl_EnumServicesStatusW *r)
417 {
418         struct ENUM_SERVICE_STATUSW *services = NULL;
419         int num_services;
420         int i = 0;
421         size_t buffer_size = 0;
422         WERROR result = WERR_OK;
423         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
424         NT_USER_TOKEN *token = p->server_info->ptok;
425         DATA_BLOB blob = data_blob_null;
426
427         /* perform access checks */
428
429         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
430                 return WERR_BADFID;
431
432         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
433                 return WERR_ACCESS_DENIED;
434         }
435
436         num_services = enumerate_status( p->mem_ctx, &services, token );
437         if (num_services == -1 ) {
438                 return WERR_NOMEM;
439         }
440
441         for ( i=0; i<num_services; i++ ) {
442                 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], NULL, 0);
443         }
444
445         buffer_size += buffer_size % 4;
446
447         if (buffer_size > r->in.offered) {
448                 num_services = 0;
449                 result = WERR_MORE_DATA;
450         }
451
452         if ( W_ERROR_IS_OK(result) ) {
453
454                 enum ndr_err_code ndr_err;
455                 struct ndr_push *ndr;
456
457                 ndr = ndr_push_init_ctx(p->mem_ctx, NULL);
458                 if (ndr == NULL) {
459                         return WERR_INVALID_PARAM;
460                 }
461
462                 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
463                         ndr, num_services, services);
464                 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
465                         return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
466                 }
467                 blob = ndr_push_blob(ndr);
468                 memcpy(r->out.service, blob.data, MIN(blob.length, r->in.offered));
469         }
470
471         *r->out.needed                  = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
472         *r->out.services_returned       = (uint32)num_services;
473         if (r->out.resume_handle) {
474                 *r->out.resume_handle   = 0;
475         }
476
477         return result;
478 }
479
480 /********************************************************************
481  _svcctl_StartServiceW
482 ********************************************************************/
483
484 WERROR _svcctl_StartServiceW(pipes_struct *p,
485                              struct svcctl_StartServiceW *r)
486 {
487         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
488
489         /* perform access checks */
490
491         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
492                 return WERR_BADFID;
493
494         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
495                 return WERR_ACCESS_DENIED;
496
497         return info->ops->start_service( info->name );
498 }
499
500 /********************************************************************
501  _svcctl_ControlService
502 ********************************************************************/
503
504 WERROR _svcctl_ControlService(pipes_struct *p,
505                               struct svcctl_ControlService *r)
506 {
507         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
508
509         /* perform access checks */
510
511         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
512                 return WERR_BADFID;
513
514         switch ( r->in.control ) {
515         case SVCCTL_CONTROL_STOP:
516                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
517                         return WERR_ACCESS_DENIED;
518
519                 return info->ops->stop_service( info->name,
520                                                 r->out.service_status );
521
522         case SVCCTL_CONTROL_INTERROGATE:
523                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
524                         return WERR_ACCESS_DENIED;
525
526                 return info->ops->service_status( info->name,
527                                                   r->out.service_status );
528         default:
529                 return WERR_INVALID_PARAM;
530         }
531 }
532
533 /********************************************************************
534  _svcctl_EnumDependentServicesW
535 ********************************************************************/
536
537 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
538                                       struct svcctl_EnumDependentServicesW *r)
539 {
540         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
541
542         /* perform access checks */
543
544         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
545                 return WERR_BADFID;
546
547         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
548                 return WERR_ACCESS_DENIED;
549
550         switch (r->in.state) {
551         case SERVICE_STATE_ACTIVE:
552         case SERVICE_STATE_INACTIVE:
553         case SERVICE_STATE_ALL:
554                 break;
555         default:
556                 return WERR_INVALID_PARAM;
557         }
558
559         /* we have to set the outgoing buffer size to the same as the
560            incoming buffer size (even in the case of failure */
561         /* this is done in the autogenerated server already - gd */
562
563         *r->out.needed = r->in.offered;
564
565         /* no dependent services...basically a stub function */
566         *r->out.services_returned = 0;
567
568         return WERR_OK;
569 }
570
571 /********************************************************************
572  _svcctl_QueryServiceStatusEx
573 ********************************************************************/
574
575 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p,
576                                     struct svcctl_QueryServiceStatusEx *r)
577 {
578         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
579         uint32 buffer_size;
580
581         /* perform access checks */
582
583         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
584                 return WERR_BADFID;
585
586         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
587                 return WERR_ACCESS_DENIED;
588
589         /* we have to set the outgoing buffer size to the same as the
590            incoming buffer size (even in the case of failure) */
591         *r->out.needed = r->in.offered;
592
593         switch ( r->in.info_level ) {
594                 case SVC_STATUS_PROCESS_INFO:
595                 {
596                         struct SERVICE_STATUS_PROCESS svc_stat_proc;
597                         enum ndr_err_code ndr_err;
598                         DATA_BLOB blob;
599
600                         /* Get the status of the service.. */
601                         info->ops->service_status( info->name, &svc_stat_proc.status );
602                         svc_stat_proc.process_id     = sys_getpid();
603                         svc_stat_proc.service_flags  = 0x0;
604
605                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
606                                                        &svc_stat_proc,
607                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
608                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
609                                 return WERR_INVALID_PARAM;
610                         }
611
612                         r->out.buffer = blob.data;
613                         buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
614                         break;
615                 }
616
617                 default:
618                         return WERR_UNKNOWN_LEVEL;
619         }
620
621
622         buffer_size += buffer_size % 4;
623         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
624
625         if (buffer_size > r->in.offered ) {
626                 return WERR_INSUFFICIENT_BUFFER;
627         }
628
629         return WERR_OK;
630 }
631
632 /********************************************************************
633 ********************************************************************/
634
635 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
636                                struct QUERY_SERVICE_CONFIG *config,
637                                NT_USER_TOKEN *token )
638 {
639         struct regval_ctr *values;
640         struct regval_blob *val;
641
642         /* retrieve the registry values for this service */
643
644         if ( !(values = svcctl_fetch_regvalues( name, token )) )
645                 return WERR_REG_CORRUPT;
646
647         /* now fill in the individual values */
648
649         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
650                 config->displayname = regval_sz(val);
651         else
652                 config->displayname = name;
653
654         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
655                 config->startname = regval_sz(val);
656         }
657
658         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
659                 config->executablepath = regval_sz(val);
660         }
661
662         /* a few hard coded values */
663         /* loadordergroup and dependencies are empty */
664
665         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
666         config->service_type     = SERVICE_TYPE_WIN32_OWN_PROCESS;
667         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
668
669         /* set the start type.  NetLogon and WINS are disabled to prevent
670            the client from showing the "Start" button (if of course the services
671            are not running */
672
673         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
674                 config->start_type = SVCCTL_DISABLED;
675         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
676                 config->start_type = SVCCTL_DISABLED;
677         else
678                 config->start_type = SVCCTL_DEMAND_START;
679
680
681         TALLOC_FREE( values );
682
683         return WERR_OK;
684 }
685
686 /********************************************************************
687  _svcctl_QueryServiceConfigW
688 ********************************************************************/
689
690 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
691                                    struct svcctl_QueryServiceConfigW *r)
692 {
693         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
694         uint32 buffer_size;
695         WERROR wresult;
696
697         /* perform access checks */
698
699         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
700                 return WERR_BADFID;
701
702         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
703                 return WERR_ACCESS_DENIED;
704
705         /* we have to set the outgoing buffer size to the same as the
706            incoming buffer size (even in the case of failure */
707
708         *r->out.needed = r->in.offered;
709
710         wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
711                                    p->server_info->ptok);
712         if ( !W_ERROR_IS_OK(wresult) )
713                 return wresult;
714
715         buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, NULL, 0);
716         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
717
718         if (buffer_size > r->in.offered ) {
719                 ZERO_STRUCTP(r->out.query);
720                 return WERR_INSUFFICIENT_BUFFER;
721         }
722
723         return WERR_OK;
724 }
725
726 /********************************************************************
727  _svcctl_QueryServiceConfig2W
728 ********************************************************************/
729
730 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p,
731                                     struct svcctl_QueryServiceConfig2W *r)
732 {
733         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
734         uint32 buffer_size;
735
736         /* perform access checks */
737
738         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
739                 return WERR_BADFID;
740
741         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
742                 return WERR_ACCESS_DENIED;
743
744         /* we have to set the outgoing buffer size to the same as the
745            incoming buffer size (even in the case of failure */
746         *r->out.needed = r->in.offered;
747
748         switch ( r->in.info_level ) {
749         case SERVICE_CONFIG_DESCRIPTION:
750                 {
751                         struct SERVICE_DESCRIPTION desc_buf;
752                         const char *description;
753                         enum ndr_err_code ndr_err;
754                         DATA_BLOB blob;
755
756                         description = svcctl_lookup_description(
757                                 p->mem_ctx, info->name, p->server_info->ptok);
758
759                         desc_buf.description = description;
760
761                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
762                                                        &desc_buf,
763                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
764                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
765                                 return WERR_INVALID_PARAM;
766                         }
767
768                         buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, NULL, 0);
769                         r->out.buffer = blob.data;
770
771                         break;
772                 }
773                 break;
774         case SERVICE_CONFIG_FAILURE_ACTIONS:
775                 {
776                         struct SERVICE_FAILURE_ACTIONS actions;
777                         enum ndr_err_code ndr_err;
778                         DATA_BLOB blob;
779
780                         /* nothing to say...just service the request */
781
782                         ZERO_STRUCT( actions );
783
784                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
785                                                        &actions,
786                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
787                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
788                                 return WERR_INVALID_PARAM;
789                         }
790
791                         buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, NULL, 0);
792                         r->out.buffer = blob.data;
793
794                         break;
795                 }
796                 break;
797
798         default:
799                 return WERR_UNKNOWN_LEVEL;
800         }
801
802         buffer_size += buffer_size % 4;
803         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
804
805         if (buffer_size > r->in.offered)
806                 return WERR_INSUFFICIENT_BUFFER;
807
808         return WERR_OK;
809 }
810
811 /********************************************************************
812  _svcctl_LockServiceDatabase
813 ********************************************************************/
814
815 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
816                                    struct svcctl_LockServiceDatabase *r)
817 {
818         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
819
820         /* perform access checks */
821
822         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
823                 return WERR_BADFID;
824
825         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
826                 return WERR_ACCESS_DENIED;
827
828         /* Just open a handle.  Doesn't actually lock anything */
829
830         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
831 }
832
833 /********************************************************************
834  _svcctl_UnlockServiceDatabase
835 ********************************************************************/
836
837 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
838                                      struct svcctl_UnlockServiceDatabase *r)
839 {
840         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
841
842
843         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
844                 return WERR_BADFID;
845
846         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
847 }
848
849 /********************************************************************
850  _svcctl_QueryServiceObjectSecurity
851 ********************************************************************/
852
853 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
854                                           struct svcctl_QueryServiceObjectSecurity *r)
855 {
856         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
857         SEC_DESC *sec_desc;
858         NTSTATUS status;
859         uint8_t *buffer = NULL;
860         size_t len = 0;
861
862
863         /* only support the SCM and individual services */
864
865         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
866                 return WERR_BADFID;
867
868         /* check access reights (according to MSDN) */
869
870         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
871                 return WERR_ACCESS_DENIED;
872
873         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
874
875         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
876                 return WERR_INVALID_PARAM;
877
878         /* lookup the security descriptor and marshall it up for a reply */
879
880         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
881                 return WERR_NOMEM;
882
883         *r->out.needed = ndr_size_security_descriptor( sec_desc, NULL, 0 );
884
885         if ( *r->out.needed > r->in.offered) {
886                 return WERR_INSUFFICIENT_BUFFER;
887         }
888
889         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
890         if (!NT_STATUS_IS_OK(status)) {
891                 return ntstatus_to_werror(status);
892         }
893
894         *r->out.needed = len;
895         r->out.buffer = buffer;
896
897         return WERR_OK;
898 }
899
900 /********************************************************************
901  _svcctl_SetServiceObjectSecurity
902 ********************************************************************/
903
904 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
905                                         struct svcctl_SetServiceObjectSecurity *r)
906 {
907         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
908         SEC_DESC *sec_desc = NULL;
909         uint32 required_access;
910         NTSTATUS status;
911
912         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
913                 return WERR_BADFID;
914
915         /* can't set the security de4scriptor on the ServiceControlManager */
916
917         if ( info->type == SVC_HANDLE_IS_SCM )
918                 return WERR_ACCESS_DENIED;
919
920         /* check the access on the open handle */
921
922         switch ( r->in.security_flags ) {
923                 case DACL_SECURITY_INFORMATION:
924                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
925                         break;
926
927                 case OWNER_SECURITY_INFORMATION:
928                 case GROUP_SECURITY_INFORMATION:
929                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
930                         break;
931
932                 case SACL_SECURITY_INFORMATION:
933                         return WERR_INVALID_PARAM;
934                 default:
935                         return WERR_INVALID_PARAM;
936         }
937
938         if ( !(info->access_granted & required_access) )
939                 return WERR_ACCESS_DENIED;
940
941         /* read the security descfriptor */
942
943         status = unmarshall_sec_desc(p->mem_ctx,
944                                      r->in.buffer,
945                                      r->in.offered,
946                                      &sec_desc);
947         if (!NT_STATUS_IS_OK(status)) {
948                 return ntstatus_to_werror(status);
949         }
950
951         /* store the new SD */
952
953         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
954                                   p->server_info->ptok) )
955                 return WERR_ACCESS_DENIED;
956
957         return WERR_OK;
958 }
959
960
961 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
962 {
963         p->rng_fault_state = True;
964         return WERR_NOT_SUPPORTED;
965 }
966
967 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
968 {
969         p->rng_fault_state = True;
970         return WERR_NOT_SUPPORTED;
971 }
972
973 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
974 {
975         p->rng_fault_state = True;
976         return WERR_NOT_SUPPORTED;
977 }
978
979 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
980 {
981         p->rng_fault_state = True;
982         return WERR_NOT_SUPPORTED;
983 }
984
985 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
986 {
987         p->rng_fault_state = True;
988         return WERR_NOT_SUPPORTED;
989 }
990
991 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
992 {
993         p->rng_fault_state = True;
994         return WERR_NOT_SUPPORTED;
995 }
996
997 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
998 {
999         p->rng_fault_state = True;
1000         return WERR_NOT_SUPPORTED;
1001 }
1002
1003 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
1004 {
1005         p->rng_fault_state = True;
1006         return WERR_NOT_SUPPORTED;
1007 }
1008
1009 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1010 {
1011         p->rng_fault_state = True;
1012         return WERR_NOT_SUPPORTED;
1013 }
1014
1015 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1016 {
1017         p->rng_fault_state = True;
1018         return WERR_NOT_SUPPORTED;
1019 }
1020
1021 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1022 {
1023         p->rng_fault_state = True;
1024         return WERR_NOT_SUPPORTED;
1025 }
1026
1027 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1028 {
1029         p->rng_fault_state = True;
1030         return WERR_NOT_SUPPORTED;
1031 }
1032
1033 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1034 {
1035         p->rng_fault_state = True;
1036         return WERR_NOT_SUPPORTED;
1037 }
1038
1039 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1040 {
1041         p->rng_fault_state = True;
1042         return WERR_NOT_SUPPORTED;
1043 }
1044
1045 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1046 {
1047         p->rng_fault_state = True;
1048         return WERR_NOT_SUPPORTED;
1049 }
1050
1051 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1052 {
1053         p->rng_fault_state = True;
1054         return WERR_NOT_SUPPORTED;
1055 }
1056
1057 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1058 {
1059         p->rng_fault_state = True;
1060         return WERR_NOT_SUPPORTED;
1061 }
1062
1063 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1064 {
1065         p->rng_fault_state = True;
1066         return WERR_NOT_SUPPORTED;
1067 }
1068
1069 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1070 {
1071         p->rng_fault_state = True;
1072         return WERR_NOT_SUPPORTED;
1073 }
1074
1075 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1076 {
1077         p->rng_fault_state = True;
1078         return WERR_NOT_SUPPORTED;
1079 }
1080
1081 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1082 {
1083         p->rng_fault_state = True;
1084         return WERR_NOT_SUPPORTED;
1085 }
1086
1087 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1088 {
1089         p->rng_fault_state = True;
1090         return WERR_NOT_SUPPORTED;
1091 }
1092
1093 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1094 {
1095         p->rng_fault_state = True;
1096         return WERR_NOT_SUPPORTED;
1097 }
1098
1099 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1100 {
1101         p->rng_fault_state = True;
1102         return WERR_NOT_SUPPORTED;
1103 }
1104
1105 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1106 {
1107         p->rng_fault_state = True;
1108         return WERR_NOT_SUPPORTED;
1109 }
1110
1111 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1112 {
1113         p->rng_fault_state = True;
1114         return WERR_NOT_SUPPORTED;
1115 }
1116
1117 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1118 {
1119         p->rng_fault_state = True;
1120         return WERR_NOT_SUPPORTED;
1121 }
1122
1123 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1124 {
1125         p->rng_fault_state = True;
1126         return WERR_NOT_SUPPORTED;
1127 }
1128