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s3-svcctl: Fix _svcctl_Set/GetServiceObjectSecurity after IDL changes.
[Samba/eduardoll.git] / source3 / rpc_server / srv_svcctl_nt.c
blob8ed308ad6bdef6456dc691e868b8317341aca2cf
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
468 blob = ndr_push_blob(ndr);
469 memcpy(r->out.service, blob.data, r->in.offered);
470 }
471
472 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
473 *r->out.services_returned = (uint32)num_services;
474 *r->out.resume_handle = 0x0;
475
476 return result;
477 }
478
479 /********************************************************************
480 _svcctl_StartServiceW
481 ********************************************************************/
482
483 WERROR _svcctl_StartServiceW(pipes_struct *p,
484 struct svcctl_StartServiceW *r)
485 {
486 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
487
488 /* perform access checks */
489
490 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
491 return WERR_BADFID;
492
493 if ( !(info->access_granted & SC_RIGHT_SVC_START) )
494 return WERR_ACCESS_DENIED;
495
496 return info->ops->start_service( info->name );
497 }
498
499 /********************************************************************
500 _svcctl_ControlService
501 ********************************************************************/
502
503 WERROR _svcctl_ControlService(pipes_struct *p,
504 struct svcctl_ControlService *r)
505 {
506 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
507
508 /* perform access checks */
509
510 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
511 return WERR_BADFID;
512
513 switch ( r->in.control ) {
514 case SVCCTL_CONTROL_STOP:
515 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
516 return WERR_ACCESS_DENIED;
517
518 return info->ops->stop_service( info->name,
519 r->out.service_status );
520
521 case SVCCTL_CONTROL_INTERROGATE:
522 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
523 return WERR_ACCESS_DENIED;
524
525 return info->ops->service_status( info->name,
526 r->out.service_status );
527 default:
528 return WERR_ACCESS_DENIED;
529 }
530 }
531
532 /********************************************************************
533 _svcctl_EnumDependentServicesW
534 ********************************************************************/
535
536 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
537 struct svcctl_EnumDependentServicesW *r)
538 {
539 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
540
541 /* perform access checks */
542
543 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
544 return WERR_BADFID;
545
546 if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
547 return WERR_ACCESS_DENIED;
548
549 /* we have to set the outgoing buffer size to the same as the
550 incoming buffer size (even in the case of failure */
551 /* this is done in the autogenerated server already - gd */
552
553 *r->out.needed = r->in.offered;
554
555 /* no dependent services...basically a stub function */
556 *r->out.services_returned = 0;
557
558 return WERR_OK;
559 }
560
561 /********************************************************************
562 _svcctl_QueryServiceStatusEx
563 ********************************************************************/
564
565 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p,
566 struct svcctl_QueryServiceStatusEx *r)
567 {
568 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
569 uint32 buffer_size;
570
571 /* perform access checks */
572
573 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
574 return WERR_BADFID;
575
576 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
577 return WERR_ACCESS_DENIED;
578
579 /* we have to set the outgoing buffer size to the same as the
580 incoming buffer size (even in the case of failure) */
581 *r->out.needed = r->in.offered;
582
583 switch ( r->in.info_level ) {
584 case SVC_STATUS_PROCESS_INFO:
585 {
586 struct SERVICE_STATUS_PROCESS svc_stat_proc;
587 enum ndr_err_code ndr_err;
588 DATA_BLOB blob;
589
590 /* Get the status of the service.. */
591 info->ops->service_status( info->name, &svc_stat_proc.status );
592 svc_stat_proc.process_id = sys_getpid();
593 svc_stat_proc.service_flags = 0x0;
594
595 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
596 &svc_stat_proc,
597 (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
598 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
599 return WERR_INVALID_PARAM;
600 }
601
602 r->out.buffer = blob.data;
603 buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
604 break;
605 }
606
607 default:
608 return WERR_UNKNOWN_LEVEL;
609 }
610
611
612 buffer_size += buffer_size % 4;
613 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
614
615 if (buffer_size > r->in.offered ) {
616 return WERR_INSUFFICIENT_BUFFER;
617 }
618
619 return WERR_OK;
620 }
621
622 /********************************************************************
623 ********************************************************************/
624
625 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
626 struct QUERY_SERVICE_CONFIG *config,
627 NT_USER_TOKEN *token )
628 {
629 REGVAL_CTR *values;
630 REGISTRY_VALUE *val;
631
632 /* retrieve the registry values for this service */
633
634 if ( !(values = svcctl_fetch_regvalues( name, token )) )
635 return WERR_REG_CORRUPT;
636
637 /* now fill in the individual values */
638
639 if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
640 config->displayname = regval_sz(val);
641 else
642 config->displayname = name;
643
644 if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
645 config->startname = regval_sz(val);
646 }
647
648 if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
649 config->executablepath = regval_sz(val);
650 }
651
652 /* a few hard coded values */
653 /* loadordergroup and dependencies are empty */
654
655 config->tag_id = 0x00000000; /* unassigned loadorder group */
656 config->service_type = SERVICE_TYPE_WIN32_OWN_PROCESS;
657 config->error_control = SVCCTL_SVC_ERROR_NORMAL;
658
659 /* set the start type. NetLogon and WINS are disabled to prevent
660 the client from showing the "Start" button (if of course the services
661 are not running */
662
663 if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
664 config->start_type = SVCCTL_DISABLED;
665 else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
666 config->start_type = SVCCTL_DISABLED;
667 else
668 config->start_type = SVCCTL_DEMAND_START;
669
670
671 TALLOC_FREE( values );
672
673 return WERR_OK;
674 }
675
676 /********************************************************************
677 _svcctl_QueryServiceConfigW
678 ********************************************************************/
679
680 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
681 struct svcctl_QueryServiceConfigW *r)
682 {
683 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
684 uint32 buffer_size;
685 WERROR wresult;
686
687 /* perform access checks */
688
689 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
690 return WERR_BADFID;
691
692 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
693 return WERR_ACCESS_DENIED;
694
695 /* we have to set the outgoing buffer size to the same as the
696 incoming buffer size (even in the case of failure */
697
698 *r->out.needed = r->in.offered;
699
700 wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
701 p->server_info->ptok);
702 if ( !W_ERROR_IS_OK(wresult) )
703 return wresult;
704
705 buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, NULL, 0);
706 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
707
708 if (buffer_size > r->in.offered ) {
709 ZERO_STRUCTP(r->out.query);
710 return WERR_INSUFFICIENT_BUFFER;
711 }
712
713 return WERR_OK;
714 }
715
716 /********************************************************************
717 _svcctl_QueryServiceConfig2W
718 ********************************************************************/
719
720 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p,
721 struct svcctl_QueryServiceConfig2W *r)
722 {
723 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
724 uint32 buffer_size;
725
726 /* perform access checks */
727
728 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
729 return WERR_BADFID;
730
731 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
732 return WERR_ACCESS_DENIED;
733
734 /* we have to set the outgoing buffer size to the same as the
735 incoming buffer size (even in the case of failure */
736 *r->out.needed = r->in.offered;
737
738 switch ( r->in.info_level ) {
739 case SERVICE_CONFIG_DESCRIPTION:
740 {
741 struct SERVICE_DESCRIPTION desc_buf;
742 const char *description;
743 enum ndr_err_code ndr_err;
744 DATA_BLOB blob;
745
746 description = svcctl_lookup_description(
747 p->mem_ctx, info->name, p->server_info->ptok);
748
749 desc_buf.description = description;
750
751 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
752 &desc_buf,
753 (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
754 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
755 return WERR_INVALID_PARAM;
756 }
757
758 buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, NULL, 0);
759 r->out.buffer = blob.data;
760
761 break;
762 }
763 break;
764 case SERVICE_CONFIG_FAILURE_ACTIONS:
765 {
766 struct SERVICE_FAILURE_ACTIONS actions;
767 enum ndr_err_code ndr_err;
768 DATA_BLOB blob;
769
770 /* nothing to say...just service the request */
771
772 ZERO_STRUCT( actions );
773
774 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
775 &actions,
776 (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
777 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
778 return WERR_INVALID_PARAM;
779 }
780
781 buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, NULL, 0);
782 r->out.buffer = blob.data;
783
784 break;
785 }
786 break;
787
788 default:
789 return WERR_UNKNOWN_LEVEL;
790 }
791
792 buffer_size += buffer_size % 4;
793 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
794
795 if (buffer_size > r->in.offered)
796 return WERR_INSUFFICIENT_BUFFER;
797
798 return WERR_OK;
799 }
800
801 /********************************************************************
802 _svcctl_LockServiceDatabase
803 ********************************************************************/
804
805 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
806 struct svcctl_LockServiceDatabase *r)
807 {
808 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
809
810 /* perform access checks */
811
812 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
813 return WERR_BADFID;
814
815 if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
816 return WERR_ACCESS_DENIED;
817
818 /* Just open a handle. Doesn't actually lock anything */
819
820 return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
821 }
822
823 /********************************************************************
824 _svcctl_UnlockServiceDatabase
825 ********************************************************************/
826
827 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
828 struct svcctl_UnlockServiceDatabase *r)
829 {
830 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
831
832
833 if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
834 return WERR_BADFID;
835
836 return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
837 }
838
839 /********************************************************************
840 _svcctl_QueryServiceObjectSecurity
841 ********************************************************************/
842
843 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
844 struct svcctl_QueryServiceObjectSecurity *r)
845 {
846 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
847 SEC_DESC *sec_desc;
848 NTSTATUS status;
849 uint8_t *buffer = NULL;
850 size_t len = 0;
851
852
853 /* only support the SCM and individual services */
854
855 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
856 return WERR_BADFID;
857
858 /* check access reights (according to MSDN) */
859
860 if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
861 return WERR_ACCESS_DENIED;
862
863 /* TODO: handle something besides DACL_SECURITY_INFORMATION */
864
865 if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
866 return WERR_INVALID_PARAM;
867
868 /* lookup the security descriptor and marshall it up for a reply */
869
870 if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
871 return WERR_NOMEM;
872
873 *r->out.needed = ndr_size_security_descriptor( sec_desc, NULL, 0 );
874
875 if ( *r->out.needed > r->in.offered) {
876 ZERO_STRUCTP( &r->out.buffer );
877 return WERR_INSUFFICIENT_BUFFER;
878 }
879
880 status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
881 if (!NT_STATUS_IS_OK(status)) {
882 return ntstatus_to_werror(status);
883 }
884
885 *r->out.needed = len;
886 r->out.buffer = buffer;
887
888 return WERR_OK;
889 }
890
891 /********************************************************************
892 _svcctl_SetServiceObjectSecurity
893 ********************************************************************/
894
895 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
896 struct svcctl_SetServiceObjectSecurity *r)
897 {
898 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
899 SEC_DESC *sec_desc = NULL;
900 uint32 required_access;
901 NTSTATUS status;
902
903 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
904 return WERR_BADFID;
905
906 /* can't set the security de4scriptor on the ServiceControlManager */
907
908 if ( info->type == SVC_HANDLE_IS_SCM )
909 return WERR_ACCESS_DENIED;
910
911 /* check the access on the open handle */
912
913 switch ( r->in.security_flags ) {
914 case DACL_SECURITY_INFORMATION:
915 required_access = STD_RIGHT_WRITE_DAC_ACCESS;
916 break;
917
918 case OWNER_SECURITY_INFORMATION:
919 case GROUP_SECURITY_INFORMATION:
920 required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
921 break;
922
923 case SACL_SECURITY_INFORMATION:
924 return WERR_INVALID_PARAM;
925 default:
926 return WERR_INVALID_PARAM;
927 }
928
929 if ( !(info->access_granted & required_access) )
930 return WERR_ACCESS_DENIED;
931
932 /* read the security descfriptor */
933
934 status = unmarshall_sec_desc(p->mem_ctx,
935 r->in.buffer,
936 r->in.offered,
937 &sec_desc);
938 if (!NT_STATUS_IS_OK(status)) {
939 return ntstatus_to_werror(status);
940 }
941
942 /* store the new SD */
943
944 if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
945 p->server_info->ptok) )
946 return WERR_ACCESS_DENIED;
947
948 return WERR_OK;
949 }
950
951
952 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
953 {
954 p->rng_fault_state = True;
955 return WERR_NOT_SUPPORTED;
956 }
957
958 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
959 {
960 p->rng_fault_state = True;
961 return WERR_NOT_SUPPORTED;
962 }
963
964 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
965 {
966 p->rng_fault_state = True;
967 return WERR_NOT_SUPPORTED;
968 }
969
970 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
971 {
972 p->rng_fault_state = True;
973 return WERR_NOT_SUPPORTED;
974 }
975
976 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
977 {
978 p->rng_fault_state = True;
979 return WERR_NOT_SUPPORTED;
980 }
981
982 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
983 {
984 p->rng_fault_state = True;
985 return WERR_NOT_SUPPORTED;
986 }
987
988 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
989 {
990 p->rng_fault_state = True;
991 return WERR_NOT_SUPPORTED;
992 }
993
994 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
995 {
996 p->rng_fault_state = True;
997 return WERR_NOT_SUPPORTED;
998 }
999
1000 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1001 {
1002 p->rng_fault_state = True;
1003 return WERR_NOT_SUPPORTED;
1004 }
1005
1006 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1007 {
1008 p->rng_fault_state = True;
1009 return WERR_NOT_SUPPORTED;
1010 }
1011
1012 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1013 {
1014 p->rng_fault_state = True;
1015 return WERR_NOT_SUPPORTED;
1016 }
1017
1018 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1019 {
1020 p->rng_fault_state = True;
1021 return WERR_NOT_SUPPORTED;
1022 }
1023
1024 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1025 {
1026 p->rng_fault_state = True;
1027 return WERR_NOT_SUPPORTED;
1028 }
1029
1030 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1031 {
1032 p->rng_fault_state = True;
1033 return WERR_NOT_SUPPORTED;
1034 }
1035
1036 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1037 {
1038 p->rng_fault_state = True;
1039 return WERR_NOT_SUPPORTED;
1040 }
1041
1042 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1043 {
1044 p->rng_fault_state = True;
1045 return WERR_NOT_SUPPORTED;
1046 }
1047
1048 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1049 {
1050 p->rng_fault_state = True;
1051 return WERR_NOT_SUPPORTED;
1052 }
1053
1054 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1055 {
1056 p->rng_fault_state = True;
1057 return WERR_NOT_SUPPORTED;
1058 }
1059
1060 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1061 {
1062 p->rng_fault_state = True;
1063 return WERR_NOT_SUPPORTED;
1064 }
1065
1066 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1067 {
1068 p->rng_fault_state = True;
1069 return WERR_NOT_SUPPORTED;
1070 }
1071
1072 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1073 {
1074 p->rng_fault_state = True;
1075 return WERR_NOT_SUPPORTED;
1076 }
1077
1078 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1079 {
1080 p->rng_fault_state = True;
1081 return WERR_NOT_SUPPORTED;
1082 }
1083
1084 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1085 {
1086 p->rng_fault_state = True;
1087 return WERR_NOT_SUPPORTED;
1088 }
1089
1090 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1091 {
1092 p->rng_fault_state = True;
1093 return WERR_NOT_SUPPORTED;
1094 }
1095
1096 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1097 {
1098 p->rng_fault_state = True;
1099 return WERR_NOT_SUPPORTED;
1100 }
1101
1102 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1103 {
1104 p->rng_fault_state = True;
1105 return WERR_NOT_SUPPORTED;
1106 }
1107
1108 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1109 {
1110 p->rng_fault_state = True;
1111 return WERR_NOT_SUPPORTED;
1112 }
1113
1114 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1115 {
1116 p->rng_fault_state = True;
1117 return WERR_NOT_SUPPORTED;
1118 }
1119
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