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s3:services_db: remove the TALLOC_CTX argument from svcctl_set_secdesc
[Samba/gebeck_regimport.git] / source3 / rpc_server / srv_svcctl_nt.c
blob74f9d813beb43c41889be258a4ab6c349a8ebd3d
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 #include "../librpc/gen_ndr/srv_svcctl.h"
27 #include "services/services.h"
28 #include "registry.h"
29 #include "registry/reg_objects.h"
30 #include "../librpc/gen_ndr/ndr_security.h"
31
32 #undef DBGC_CLASS
33 #define DBGC_CLASS DBGC_RPC_SRV
34
35 struct service_control_op {
36 const char *name;
37 SERVICE_CONTROL_OPS *ops;
38 };
39
40 /* handle external services */
41 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
42
43 /* builtin services (see service_db.c and services/svc_*.c */
44 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
45 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
46 extern SERVICE_CONTROL_OPS winreg_svc_ops;
47 extern SERVICE_CONTROL_OPS wins_svc_ops;
48
49 /* make sure this number patches the number of builtin
50 SERVICE_CONTROL_OPS structure listed above */
51
52 #define SVCCTL_NUM_INTERNAL_SERVICES 4
53
54 struct service_control_op *svcctl_ops;
55
56 static const struct generic_mapping scm_generic_map =
57 { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
58 static const struct generic_mapping svc_generic_map =
59 { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
60
61
62 /********************************************************************
63 ********************************************************************/
64
65 bool init_service_op_table( void )
66 {
67 const char **service_list = lp_svcctl_list();
68 int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
69 int i;
70
71 if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
72 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
73 return False;
74 }
75
76 /* services listed in smb.conf get the rc.init interface */
77
78 for ( i=0; service_list && service_list[i]; i++ ) {
79 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
80 svcctl_ops[i].ops = &rcinit_svc_ops;
81 }
82
83 /* add builtin services */
84
85 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
86 svcctl_ops[i].ops = &spoolss_svc_ops;
87 i++;
88
89 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
90 svcctl_ops[i].ops = &netlogon_svc_ops;
91 i++;
92
93 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
94 svcctl_ops[i].ops = &winreg_svc_ops;
95 i++;
96
97 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
98 svcctl_ops[i].ops = &wins_svc_ops;
99 i++;
100
101 /* NULL terminate the array */
102
103 svcctl_ops[i].name = NULL;
104 svcctl_ops[i].ops = NULL;
105
106 return True;
107 }
108
109 /********************************************************************
110 ********************************************************************/
111
112 static struct service_control_op* find_service_by_name( const char *name )
113 {
114 int i;
115
116 for ( i=0; svcctl_ops[i].name; i++ ) {
117 if ( strequal( name, svcctl_ops[i].name ) )
118 return &svcctl_ops[i];
119 }
120
121 return NULL;
122 }
123 /********************************************************************
124 ********************************************************************/
125
126 static NTSTATUS svcctl_access_check( struct security_descriptor *sec_desc, struct security_token *token,
127 uint32 access_desired, uint32 *access_granted )
128 {
129 if ( geteuid() == sec_initial_uid() ) {
130 DEBUG(5,("svcctl_access_check: using root's token\n"));
131 token = get_root_nt_token();
132 }
133
134 return se_access_check( sec_desc, token, access_desired, access_granted);
135 }
136
137 /********************************************************************
138 ********************************************************************/
139
140 static struct security_descriptor* construct_scm_sd( TALLOC_CTX *ctx )
141 {
142 struct security_ace ace[2];
143 size_t i = 0;
144 struct security_descriptor *sd;
145 struct security_acl *theacl;
146 size_t sd_size;
147
148 /* basic access for Everyone */
149
150 init_sec_ace(&ace[i++], &global_sid_World,
151 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
152
153 /* Full Access 'BUILTIN\Administrators' */
154
155 init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
156 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
157
158
159 /* create the security descriptor */
160
161 if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
162 return NULL;
163
164 if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
165 SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
166 theacl, &sd_size)) )
167 return NULL;
168
169 return sd;
170 }
171
172 /******************************************************************
173 Find a registry key handle and return a SERVICE_INFO
174 *****************************************************************/
175
176 static SERVICE_INFO *find_service_info_by_hnd(struct pipes_struct *p,
177 struct policy_handle *hnd)
178 {
179 SERVICE_INFO *service_info = NULL;
180
181 if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
182 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
183 return NULL;
184 }
185
186 return service_info;
187 }
188
189 /******************************************************************
190 *****************************************************************/
191
192 static WERROR create_open_service_handle(struct pipes_struct *p,
193 struct policy_handle *handle,
194 uint32_t type,
195 const char *service,
196 uint32_t access_granted)
197 {
198 SERVICE_INFO *info = NULL;
199 WERROR result = WERR_OK;
200 struct service_control_op *s_op;
201
202 if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
203 return WERR_NOMEM;
204
205 /* the Service Manager has a NULL name */
206
207 info->type = SVC_HANDLE_IS_SCM;
208
209 switch ( type ) {
210 case SVC_HANDLE_IS_SCM:
211 info->type = SVC_HANDLE_IS_SCM;
212 break;
213
214 case SVC_HANDLE_IS_DBLOCK:
215 info->type = SVC_HANDLE_IS_DBLOCK;
216 break;
217
218 case SVC_HANDLE_IS_SERVICE:
219 info->type = SVC_HANDLE_IS_SERVICE;
220
221 /* lookup the SERVICE_CONTROL_OPS */
222
223 if ( !(s_op = find_service_by_name( service )) ) {
224 result = WERR_NO_SUCH_SERVICE;
225 goto done;
226 }
227
228 info->ops = s_op->ops;
229
230 if ( !(info->name = talloc_strdup( info, s_op->name )) ) {
231 result = WERR_NOMEM;
232 goto done;
233 }
234 break;
235
236 default:
237 result = WERR_NO_SUCH_SERVICE;
238 goto done;
239 }
240
241 info->access_granted = access_granted;
242
243 /* store the SERVICE_INFO and create an open handle */
244
245 if ( !create_policy_hnd( p, handle, info ) ) {
246 result = WERR_ACCESS_DENIED;
247 goto done;
248 }
249
250 done:
251 if ( !W_ERROR_IS_OK(result) )
252 TALLOC_FREE(info);
253
254 return result;
255 }
256
257 /********************************************************************
258 _svcctl_OpenSCManagerW
259 ********************************************************************/
260
261 WERROR _svcctl_OpenSCManagerW(struct pipes_struct *p,
262 struct svcctl_OpenSCManagerW *r)
263 {
264 struct security_descriptor *sec_desc;
265 uint32 access_granted = 0;
266 NTSTATUS status;
267
268 /* perform access checks */
269
270 if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
271 return WERR_NOMEM;
272
273 se_map_generic( &r->in.access_mask, &scm_generic_map );
274 status = svcctl_access_check( sec_desc, p->server_info->ptok,
275 r->in.access_mask, &access_granted );
276 if ( !NT_STATUS_IS_OK(status) )
277 return ntstatus_to_werror( status );
278
279 return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
280 }
281
282 /********************************************************************
283 _svcctl_OpenServiceW
284 ********************************************************************/
285
286 WERROR _svcctl_OpenServiceW(struct pipes_struct *p,
287 struct svcctl_OpenServiceW *r)
288 {
289 struct security_descriptor *sec_desc;
290 uint32 access_granted = 0;
291 NTSTATUS status;
292 const char *service = NULL;
293
294 service = r->in.ServiceName;
295 if (!service) {
296 return WERR_NOMEM;
297 }
298 DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
299
300 /* based on my tests you can open a service if you have a valid scm handle */
301
302 if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
303 return WERR_BADFID;
304
305 /* perform access checks. Use the root token in order to ensure that we
306 retrieve the security descriptor */
307
308 if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
309 return WERR_NOMEM;
310
311 se_map_generic( &r->in.access_mask, &svc_generic_map );
312 status = svcctl_access_check( sec_desc, p->server_info->ptok,
313 r->in.access_mask, &access_granted );
314 if ( !NT_STATUS_IS_OK(status) )
315 return ntstatus_to_werror( status );
316
317 return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
318 }
319
320 /********************************************************************
321 _svcctl_CloseServiceHandle
322 ********************************************************************/
323
324 WERROR _svcctl_CloseServiceHandle(struct pipes_struct *p,
325 struct svcctl_CloseServiceHandle *r)
326 {
327 if ( !close_policy_hnd( p, r->in.handle ) )
328 return WERR_BADFID;
329
330 ZERO_STRUCTP(r->out.handle);
331
332 return WERR_OK;
333 }
334
335 /********************************************************************
336 _svcctl_GetServiceDisplayNameW
337 ********************************************************************/
338
339 WERROR _svcctl_GetServiceDisplayNameW(struct pipes_struct *p,
340 struct svcctl_GetServiceDisplayNameW *r)
341 {
342 const char *service;
343 const char *display_name;
344 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
345
346 /* can only use an SCM handle here */
347
348 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
349 return WERR_BADFID;
350
351 service = r->in.service_name;
352
353 display_name = svcctl_lookup_dispname(p->mem_ctx, service,
354 p->server_info->ptok);
355 if (!display_name) {
356 display_name = "";
357 }
358
359 *r->out.display_name = display_name;
360 *r->out.display_name_length = strlen(display_name);
361
362 return WERR_OK;
363 }
364
365 /********************************************************************
366 _svcctl_QueryServiceStatus
367 ********************************************************************/
368
369 WERROR _svcctl_QueryServiceStatus(struct pipes_struct *p,
370 struct svcctl_QueryServiceStatus *r)
371 {
372 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
373
374 /* perform access checks */
375
376 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
377 return WERR_BADFID;
378
379 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
380 return WERR_ACCESS_DENIED;
381
382 /* try the service specific status call */
383
384 return info->ops->service_status( info->name, r->out.service_status );
385 }
386
387 /********************************************************************
388 ********************************************************************/
389
390 static int enumerate_status( TALLOC_CTX *ctx, struct ENUM_SERVICE_STATUSW **status, struct security_token *token )
391 {
392 int num_services = 0;
393 int i;
394 struct ENUM_SERVICE_STATUSW *st;
395 const char *display_name;
396
397 /* just count */
398 while ( svcctl_ops[num_services].name )
399 num_services++;
400
401 if ( !(st = TALLOC_ARRAY( ctx, struct ENUM_SERVICE_STATUSW, num_services )) ) {
402 DEBUG(0,("enumerate_status: talloc() failed!\n"));
403 return -1;
404 }
405
406 for ( i=0; i<num_services; i++ ) {
407 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
408
409 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
410 st[i].display_name = talloc_strdup(st, display_name ? display_name : "");
411
412 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
413 }
414
415 *status = st;
416
417 return num_services;
418 }
419
420 /********************************************************************
421 _svcctl_EnumServicesStatusW
422 ********************************************************************/
423
424 WERROR _svcctl_EnumServicesStatusW(struct pipes_struct *p,
425 struct svcctl_EnumServicesStatusW *r)
426 {
427 struct ENUM_SERVICE_STATUSW *services = NULL;
428 int num_services;
429 int i = 0;
430 size_t buffer_size = 0;
431 WERROR result = WERR_OK;
432 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
433 struct security_token *token = p->server_info->ptok;
434 DATA_BLOB blob = data_blob_null;
435
436 /* perform access checks */
437
438 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
439 return WERR_BADFID;
440
441 if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
442 return WERR_ACCESS_DENIED;
443 }
444
445 num_services = enumerate_status( p->mem_ctx, &services, token );
446 if (num_services == -1 ) {
447 return WERR_NOMEM;
448 }
449
450 for ( i=0; i<num_services; i++ ) {
451 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], 0);
452 }
453
454 buffer_size += buffer_size % 4;
455
456 if (buffer_size > r->in.offered) {
457 num_services = 0;
458 result = WERR_MORE_DATA;
459 }
460
461 if ( W_ERROR_IS_OK(result) ) {
462
463 enum ndr_err_code ndr_err;
464 struct ndr_push *ndr;
465
466 ndr = ndr_push_init_ctx(p->mem_ctx);
467 if (ndr == NULL) {
468 return WERR_INVALID_PARAM;
469 }
470
471 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
472 ndr, num_services, services);
473 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
474 return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
475 }
476 blob = ndr_push_blob(ndr);
477 memcpy(r->out.service, blob.data, MIN(blob.length, r->in.offered));
478 }
479
480 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
481 *r->out.services_returned = (uint32)num_services;
482 if (r->out.resume_handle) {
483 *r->out.resume_handle = 0;
484 }
485
486 return result;
487 }
488
489 /********************************************************************
490 _svcctl_StartServiceW
491 ********************************************************************/
492
493 WERROR _svcctl_StartServiceW(struct pipes_struct *p,
494 struct svcctl_StartServiceW *r)
495 {
496 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
497
498 /* perform access checks */
499
500 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
501 return WERR_BADFID;
502
503 if ( !(info->access_granted & SC_RIGHT_SVC_START) )
504 return WERR_ACCESS_DENIED;
505
506 return info->ops->start_service( info->name );
507 }
508
509 /********************************************************************
510 _svcctl_ControlService
511 ********************************************************************/
512
513 WERROR _svcctl_ControlService(struct pipes_struct *p,
514 struct svcctl_ControlService *r)
515 {
516 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
517
518 /* perform access checks */
519
520 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
521 return WERR_BADFID;
522
523 switch ( r->in.control ) {
524 case SVCCTL_CONTROL_STOP:
525 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
526 return WERR_ACCESS_DENIED;
527
528 return info->ops->stop_service( info->name,
529 r->out.service_status );
530
531 case SVCCTL_CONTROL_INTERROGATE:
532 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
533 return WERR_ACCESS_DENIED;
534
535 return info->ops->service_status( info->name,
536 r->out.service_status );
537 default:
538 return WERR_INVALID_PARAM;
539 }
540 }
541
542 /********************************************************************
543 _svcctl_EnumDependentServicesW
544 ********************************************************************/
545
546 WERROR _svcctl_EnumDependentServicesW(struct pipes_struct *p,
547 struct svcctl_EnumDependentServicesW *r)
548 {
549 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
550
551 /* perform access checks */
552
553 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
554 return WERR_BADFID;
555
556 if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
557 return WERR_ACCESS_DENIED;
558
559 switch (r->in.state) {
560 case SERVICE_STATE_ACTIVE:
561 case SERVICE_STATE_INACTIVE:
562 case SERVICE_STATE_ALL:
563 break;
564 default:
565 return WERR_INVALID_PARAM;
566 }
567
568 /* we have to set the outgoing buffer size to the same as the
569 incoming buffer size (even in the case of failure */
570 /* this is done in the autogenerated server already - gd */
571
572 *r->out.needed = r->in.offered;
573
574 /* no dependent services...basically a stub function */
575 *r->out.services_returned = 0;
576
577 return WERR_OK;
578 }
579
580 /********************************************************************
581 _svcctl_QueryServiceStatusEx
582 ********************************************************************/
583
584 WERROR _svcctl_QueryServiceStatusEx(struct pipes_struct *p,
585 struct svcctl_QueryServiceStatusEx *r)
586 {
587 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
588 uint32 buffer_size;
589
590 /* perform access checks */
591
592 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
593 return WERR_BADFID;
594
595 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
596 return WERR_ACCESS_DENIED;
597
598 /* we have to set the outgoing buffer size to the same as the
599 incoming buffer size (even in the case of failure) */
600 *r->out.needed = r->in.offered;
601
602 switch ( r->in.info_level ) {
603 case SVC_STATUS_PROCESS_INFO:
604 {
605 struct SERVICE_STATUS_PROCESS svc_stat_proc;
606 enum ndr_err_code ndr_err;
607 DATA_BLOB blob;
608
609 /* Get the status of the service.. */
610 info->ops->service_status( info->name, &svc_stat_proc.status );
611 svc_stat_proc.process_id = sys_getpid();
612 svc_stat_proc.service_flags = 0x0;
613
614 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &svc_stat_proc,
615 (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
616 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
617 return WERR_INVALID_PARAM;
618 }
619
620 r->out.buffer = blob.data;
621 buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
622 break;
623 }
624
625 default:
626 return WERR_UNKNOWN_LEVEL;
627 }
628
629
630 buffer_size += buffer_size % 4;
631 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
632
633 if (buffer_size > r->in.offered ) {
634 return WERR_INSUFFICIENT_BUFFER;
635 }
636
637 return WERR_OK;
638 }
639
640 /********************************************************************
641 ********************************************************************/
642
643 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
644 struct QUERY_SERVICE_CONFIG *config,
645 struct security_token *token )
646 {
647 struct regval_ctr *values;
648 struct regval_blob *val;
649
650 /* retrieve the registry values for this service */
651
652 if ( !(values = svcctl_fetch_regvalues( name, token )) )
653 return WERR_REG_CORRUPT;
654
655 /* now fill in the individual values */
656
657 if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
658 config->displayname = regval_sz(val);
659 else
660 config->displayname = name;
661
662 if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
663 config->startname = regval_sz(val);
664 }
665
666 if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
667 config->executablepath = regval_sz(val);
668 }
669
670 /* a few hard coded values */
671 /* loadordergroup and dependencies are empty */
672
673 config->tag_id = 0x00000000; /* unassigned loadorder group */
674 config->service_type = SERVICE_TYPE_WIN32_OWN_PROCESS;
675 config->error_control = SVCCTL_SVC_ERROR_NORMAL;
676
677 /* set the start type. NetLogon and WINS are disabled to prevent
678 the client from showing the "Start" button (if of course the services
679 are not running */
680
681 if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
682 config->start_type = SVCCTL_DISABLED;
683 else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
684 config->start_type = SVCCTL_DISABLED;
685 else
686 config->start_type = SVCCTL_DEMAND_START;
687
688
689 TALLOC_FREE( values );
690
691 return WERR_OK;
692 }
693
694 /********************************************************************
695 _svcctl_QueryServiceConfigW
696 ********************************************************************/
697
698 WERROR _svcctl_QueryServiceConfigW(struct pipes_struct *p,
699 struct svcctl_QueryServiceConfigW *r)
700 {
701 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
702 uint32 buffer_size;
703 WERROR wresult;
704
705 /* perform access checks */
706
707 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
708 return WERR_BADFID;
709
710 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
711 return WERR_ACCESS_DENIED;
712
713 /* we have to set the outgoing buffer size to the same as the
714 incoming buffer size (even in the case of failure */
715
716 *r->out.needed = r->in.offered;
717
718 wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
719 p->server_info->ptok);
720 if ( !W_ERROR_IS_OK(wresult) )
721 return wresult;
722
723 buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, 0);
724 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
725
726 if (buffer_size > r->in.offered ) {
727 ZERO_STRUCTP(r->out.query);
728 return WERR_INSUFFICIENT_BUFFER;
729 }
730
731 return WERR_OK;
732 }
733
734 /********************************************************************
735 _svcctl_QueryServiceConfig2W
736 ********************************************************************/
737
738 WERROR _svcctl_QueryServiceConfig2W(struct pipes_struct *p,
739 struct svcctl_QueryServiceConfig2W *r)
740 {
741 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
742 uint32 buffer_size;
743
744 /* perform access checks */
745
746 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
747 return WERR_BADFID;
748
749 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
750 return WERR_ACCESS_DENIED;
751
752 /* we have to set the outgoing buffer size to the same as the
753 incoming buffer size (even in the case of failure */
754 *r->out.needed = r->in.offered;
755
756 switch ( r->in.info_level ) {
757 case SERVICE_CONFIG_DESCRIPTION:
758 {
759 struct SERVICE_DESCRIPTION desc_buf;
760 const char *description;
761 enum ndr_err_code ndr_err;
762 DATA_BLOB blob;
763
764 description = svcctl_lookup_description(
765 p->mem_ctx, info->name, p->server_info->ptok);
766
767 desc_buf.description = description;
768
769 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &desc_buf,
770 (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
771 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
772 return WERR_INVALID_PARAM;
773 }
774
775 buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, 0);
776 r->out.buffer = blob.data;
777
778 break;
779 }
780 break;
781 case SERVICE_CONFIG_FAILURE_ACTIONS:
782 {
783 struct SERVICE_FAILURE_ACTIONS actions;
784 enum ndr_err_code ndr_err;
785 DATA_BLOB blob;
786
787 /* nothing to say...just service the request */
788
789 ZERO_STRUCT( actions );
790
791 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &actions,
792 (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
793 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
794 return WERR_INVALID_PARAM;
795 }
796
797 buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, 0);
798 r->out.buffer = blob.data;
799
800 break;
801 }
802 break;
803
804 default:
805 return WERR_UNKNOWN_LEVEL;
806 }
807
808 buffer_size += buffer_size % 4;
809 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
810
811 if (buffer_size > r->in.offered)
812 return WERR_INSUFFICIENT_BUFFER;
813
814 return WERR_OK;
815 }
816
817 /********************************************************************
818 _svcctl_LockServiceDatabase
819 ********************************************************************/
820
821 WERROR _svcctl_LockServiceDatabase(struct pipes_struct *p,
822 struct svcctl_LockServiceDatabase *r)
823 {
824 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
825
826 /* perform access checks */
827
828 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
829 return WERR_BADFID;
830
831 if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
832 return WERR_ACCESS_DENIED;
833
834 /* Just open a handle. Doesn't actually lock anything */
835
836 return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
837 }
838
839 /********************************************************************
840 _svcctl_UnlockServiceDatabase
841 ********************************************************************/
842
843 WERROR _svcctl_UnlockServiceDatabase(struct pipes_struct *p,
844 struct svcctl_UnlockServiceDatabase *r)
845 {
846 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
847
848
849 if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
850 return WERR_BADFID;
851
852 return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
853 }
854
855 /********************************************************************
856 _svcctl_QueryServiceObjectSecurity
857 ********************************************************************/
858
859 WERROR _svcctl_QueryServiceObjectSecurity(struct pipes_struct *p,
860 struct svcctl_QueryServiceObjectSecurity *r)
861 {
862 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
863 struct security_descriptor *sec_desc;
864 NTSTATUS status;
865 uint8_t *buffer = NULL;
866 size_t len = 0;
867
868
869 /* only support the SCM and individual services */
870
871 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
872 return WERR_BADFID;
873
874 /* check access reights (according to MSDN) */
875
876 if ( !(info->access_granted & SEC_STD_READ_CONTROL) )
877 return WERR_ACCESS_DENIED;
878
879 /* TODO: handle something besides SECINFO_DACL */
880
881 if ( (r->in.security_flags & SECINFO_DACL) != SECINFO_DACL )
882 return WERR_INVALID_PARAM;
883
884 /* lookup the security descriptor and marshall it up for a reply */
885
886 if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
887 return WERR_NOMEM;
888
889 *r->out.needed = ndr_size_security_descriptor(sec_desc, 0);
890
891 if ( *r->out.needed > r->in.offered) {
892 return WERR_INSUFFICIENT_BUFFER;
893 }
894
895 status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
896 if (!NT_STATUS_IS_OK(status)) {
897 return ntstatus_to_werror(status);
898 }
899
900 *r->out.needed = len;
901 r->out.buffer = buffer;
902
903 return WERR_OK;
904 }
905
906 /********************************************************************
907 _svcctl_SetServiceObjectSecurity
908 ********************************************************************/
909
910 WERROR _svcctl_SetServiceObjectSecurity(struct pipes_struct *p,
911 struct svcctl_SetServiceObjectSecurity *r)
912 {
913 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
914 struct security_descriptor *sec_desc = NULL;
915 uint32 required_access;
916 NTSTATUS status;
917
918 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
919 return WERR_BADFID;
920
921 /* can't set the security de4scriptor on the ServiceControlManager */
922
923 if ( info->type == SVC_HANDLE_IS_SCM )
924 return WERR_ACCESS_DENIED;
925
926 /* check the access on the open handle */
927
928 switch ( r->in.security_flags ) {
929 case SECINFO_DACL:
930 required_access = SEC_STD_WRITE_DAC;
931 break;
932
933 case SECINFO_OWNER:
934 case SECINFO_GROUP:
935 required_access = SEC_STD_WRITE_OWNER;
936 break;
937
938 case SECINFO_SACL:
939 return WERR_INVALID_PARAM;
940 default:
941 return WERR_INVALID_PARAM;
942 }
943
944 if ( !(info->access_granted & required_access) )
945 return WERR_ACCESS_DENIED;
946
947 /* read the security descfriptor */
948
949 status = unmarshall_sec_desc(p->mem_ctx,
950 r->in.buffer,
951 r->in.offered,
952 &sec_desc);
953 if (!NT_STATUS_IS_OK(status)) {
954 return ntstatus_to_werror(status);
955 }
956
957 /* store the new SD */
958
959 if (!svcctl_set_secdesc(info->name, sec_desc, p->server_info->ptok))
960 return WERR_ACCESS_DENIED;
961
962 return WERR_OK;
963 }
964
965
966 WERROR _svcctl_DeleteService(struct pipes_struct *p,
967 struct svcctl_DeleteService *r)
968 {
969 p->rng_fault_state = True;
970 return WERR_NOT_SUPPORTED;
971 }
972
973 WERROR _svcctl_SetServiceStatus(struct pipes_struct *p,
974 struct svcctl_SetServiceStatus *r)
975 {
976 p->rng_fault_state = True;
977 return WERR_NOT_SUPPORTED;
978 }
979
980 WERROR _svcctl_NotifyBootConfigStatus(struct pipes_struct *p,
981 struct svcctl_NotifyBootConfigStatus *r)
982 {
983 p->rng_fault_state = True;
984 return WERR_NOT_SUPPORTED;
985 }
986
987 WERROR _svcctl_SCSetServiceBitsW(struct pipes_struct *p,
988 struct svcctl_SCSetServiceBitsW *r)
989 {
990 p->rng_fault_state = True;
991 return WERR_NOT_SUPPORTED;
992 }
993
994 WERROR _svcctl_ChangeServiceConfigW(struct pipes_struct *p,
995 struct svcctl_ChangeServiceConfigW *r)
996 {
997 p->rng_fault_state = True;
998 return WERR_NOT_SUPPORTED;
999 }
1000
1001 WERROR _svcctl_CreateServiceW(struct pipes_struct *p,
1002 struct svcctl_CreateServiceW *r)
1003 {
1004 p->rng_fault_state = True;
1005 return WERR_NOT_SUPPORTED;
1006 }
1007
1008 WERROR _svcctl_QueryServiceLockStatusW(struct pipes_struct *p,
1009 struct svcctl_QueryServiceLockStatusW *r)
1010 {
1011 p->rng_fault_state = True;
1012 return WERR_NOT_SUPPORTED;
1013 }
1014
1015 WERROR _svcctl_GetServiceKeyNameW(struct pipes_struct *p,
1016 struct svcctl_GetServiceKeyNameW *r)
1017 {
1018 p->rng_fault_state = True;
1019 return WERR_NOT_SUPPORTED;
1020 }
1021
1022 WERROR _svcctl_SCSetServiceBitsA(struct pipes_struct *p,
1023 struct svcctl_SCSetServiceBitsA *r)
1024 {
1025 p->rng_fault_state = True;
1026 return WERR_NOT_SUPPORTED;
1027 }
1028
1029 WERROR _svcctl_ChangeServiceConfigA(struct pipes_struct *p,
1030 struct svcctl_ChangeServiceConfigA *r)
1031 {
1032 p->rng_fault_state = True;
1033 return WERR_NOT_SUPPORTED;
1034 }
1035
1036 WERROR _svcctl_CreateServiceA(struct pipes_struct *p,
1037 struct svcctl_CreateServiceA *r)
1038 {
1039 p->rng_fault_state = True;
1040 return WERR_NOT_SUPPORTED;
1041 }
1042
1043 WERROR _svcctl_EnumDependentServicesA(struct pipes_struct *p,
1044 struct svcctl_EnumDependentServicesA *r)
1045 {
1046 p->rng_fault_state = True;
1047 return WERR_NOT_SUPPORTED;
1048 }
1049
1050 WERROR _svcctl_EnumServicesStatusA(struct pipes_struct *p,
1051 struct svcctl_EnumServicesStatusA *r)
1052 {
1053 p->rng_fault_state = True;
1054 return WERR_NOT_SUPPORTED;
1055 }
1056
1057 WERROR _svcctl_OpenSCManagerA(struct pipes_struct *p,
1058 struct svcctl_OpenSCManagerA *r)
1059 {
1060 p->rng_fault_state = True;
1061 return WERR_NOT_SUPPORTED;
1062 }
1063
1064 WERROR _svcctl_OpenServiceA(struct pipes_struct *p,
1065 struct svcctl_OpenServiceA *r)
1066 {
1067 p->rng_fault_state = True;
1068 return WERR_NOT_SUPPORTED;
1069 }
1070
1071 WERROR _svcctl_QueryServiceConfigA(struct pipes_struct *p,
1072 struct svcctl_QueryServiceConfigA *r)
1073 {
1074 p->rng_fault_state = True;
1075 return WERR_NOT_SUPPORTED;
1076 }
1077
1078 WERROR _svcctl_QueryServiceLockStatusA(struct pipes_struct *p,
1079 struct svcctl_QueryServiceLockStatusA *r)
1080 {
1081 p->rng_fault_state = True;
1082 return WERR_NOT_SUPPORTED;
1083 }
1084
1085 WERROR _svcctl_StartServiceA(struct pipes_struct *p,
1086 struct svcctl_StartServiceA *r)
1087 {
1088 p->rng_fault_state = True;
1089 return WERR_NOT_SUPPORTED;
1090 }
1091
1092 WERROR _svcctl_GetServiceDisplayNameA(struct pipes_struct *p,
1093 struct svcctl_GetServiceDisplayNameA *r)
1094 {
1095 p->rng_fault_state = True;
1096 return WERR_NOT_SUPPORTED;
1097 }
1098
1099 WERROR _svcctl_GetServiceKeyNameA(struct pipes_struct *p,
1100 struct svcctl_GetServiceKeyNameA *r)
1101 {
1102 p->rng_fault_state = True;
1103 return WERR_NOT_SUPPORTED;
1104 }
1105
1106 WERROR _svcctl_GetCurrentGroupeStateW(struct pipes_struct *p,
1107 struct svcctl_GetCurrentGroupeStateW *r)
1108 {
1109 p->rng_fault_state = True;
1110 return WERR_NOT_SUPPORTED;
1111 }
1112
1113 WERROR _svcctl_EnumServiceGroupW(struct pipes_struct *p,
1114 struct svcctl_EnumServiceGroupW *r)
1115 {
1116 p->rng_fault_state = True;
1117 return WERR_NOT_SUPPORTED;
1118 }
1119
1120 WERROR _svcctl_ChangeServiceConfig2A(struct pipes_struct *p,
1121 struct svcctl_ChangeServiceConfig2A *r)
1122 {
1123 p->rng_fault_state = True;
1124 return WERR_NOT_SUPPORTED;
1125 }
1126
1127 WERROR _svcctl_ChangeServiceConfig2W(struct pipes_struct *p,
1128 struct svcctl_ChangeServiceConfig2W *r)
1129 {
1130 p->rng_fault_state = True;
1131 return WERR_NOT_SUPPORTED;
1132 }
1133
1134 WERROR _svcctl_QueryServiceConfig2A(struct pipes_struct *p,
1135 struct svcctl_QueryServiceConfig2A *r)
1136 {
1137 p->rng_fault_state = True;
1138 return WERR_NOT_SUPPORTED;
1139 }
1140
1141 WERROR _EnumServicesStatusExA(struct pipes_struct *p,
1142 struct EnumServicesStatusExA *r)
1143 {
1144 p->rng_fault_state = True;
1145 return WERR_NOT_SUPPORTED;
1146 }
1147
1148 WERROR _EnumServicesStatusExW(struct pipes_struct *p,
1149 struct EnumServicesStatusExW *r)
1150 {
1151 p->rng_fault_state = True;
1152 return WERR_NOT_SUPPORTED;
1153 }
1154
1155 WERROR _svcctl_SCSendTSMessage(struct pipes_struct *p,
1156 struct svcctl_SCSendTSMessage *r)
1157 {
1158 p->rng_fault_state = True;
1159 return WERR_NOT_SUPPORTED;
1160 }
1161
reg import