?  search:
summary | log | graphiclog1 | graphiclog2 | commit | commitdiff | tree | refs | edit | fork
blame | history | raw | HEAD
s4/torture: add more lock cancellation tests
[Samba/fernandojvsilva.git] / source3 / rpc_server / srv_svcctl_nt.c
blob26dc09ea7c9ff60dae9101ed021cef097f1463a1
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
28 #undef DBGC_CLASS
29 #define DBGC_CLASS DBGC_RPC_SRV
30
31 struct service_control_op {
32 const char *name;
33 SERVICE_CONTROL_OPS *ops;
34 };
35
36 /* handle external services */
37 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
38
39 /* builtin services (see service_db.c and services/svc_*.c */
40 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
41 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
42 extern SERVICE_CONTROL_OPS winreg_svc_ops;
43 extern SERVICE_CONTROL_OPS wins_svc_ops;
44
45 /* make sure this number patches the number of builtin
46 SERVICE_CONTROL_OPS structure listed above */
47
48 #define SVCCTL_NUM_INTERNAL_SERVICES 4
49
50 struct service_control_op *svcctl_ops;
51
52 static const struct generic_mapping scm_generic_map =
53 { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
54 static const struct generic_mapping svc_generic_map =
55 { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
56
57
58 /********************************************************************
59 ********************************************************************/
60
61 bool init_service_op_table( void )
62 {
63 const char **service_list = lp_svcctl_list();
64 int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
65 int i;
66
67 if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
68 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
69 return False;
70 }
71
72 /* services listed in smb.conf get the rc.init interface */
73
74 for ( i=0; service_list && service_list[i]; i++ ) {
75 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
76 svcctl_ops[i].ops = &rcinit_svc_ops;
77 }
78
79 /* add builtin services */
80
81 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
82 svcctl_ops[i].ops = &spoolss_svc_ops;
83 i++;
84
85 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
86 svcctl_ops[i].ops = &netlogon_svc_ops;
87 i++;
88
89 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
90 svcctl_ops[i].ops = &winreg_svc_ops;
91 i++;
92
93 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
94 svcctl_ops[i].ops = &wins_svc_ops;
95 i++;
96
97 /* NULL terminate the array */
98
99 svcctl_ops[i].name = NULL;
100 svcctl_ops[i].ops = NULL;
101
102 return True;
103 }
104
105 /********************************************************************
106 ********************************************************************/
107
108 static struct service_control_op* find_service_by_name( const char *name )
109 {
110 int i;
111
112 for ( i=0; svcctl_ops[i].name; i++ ) {
113 if ( strequal( name, svcctl_ops[i].name ) )
114 return &svcctl_ops[i];
115 }
116
117 return NULL;
118 }
119 /********************************************************************
120 ********************************************************************/
121
122 static NTSTATUS svcctl_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token,
123 uint32 access_desired, uint32 *access_granted )
124 {
125 if ( geteuid() == sec_initial_uid() ) {
126 DEBUG(5,("svcctl_access_check: using root's token\n"));
127 token = get_root_nt_token();
128 }
129
130 return se_access_check( sec_desc, token, access_desired, access_granted);
131 }
132
133 /********************************************************************
134 ********************************************************************/
135
136 static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx )
137 {
138 SEC_ACE ace[2];
139 size_t i = 0;
140 SEC_DESC *sd;
141 SEC_ACL *theacl;
142 size_t sd_size;
143
144 /* basic access for Everyone */
145
146 init_sec_ace(&ace[i++], &global_sid_World,
147 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
148
149 /* Full Access 'BUILTIN\Administrators' */
150
151 init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
152 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
153
154
155 /* create the security descriptor */
156
157 if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
158 return NULL;
159
160 if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
161 SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
162 theacl, &sd_size)) )
163 return NULL;
164
165 return sd;
166 }
167
168 /******************************************************************
169 Find a registry key handle and return a SERVICE_INFO
170 *****************************************************************/
171
172 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, struct policy_handle *hnd)
173 {
174 SERVICE_INFO *service_info = NULL;
175
176 if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
177 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
178 return NULL;
179 }
180
181 return service_info;
182 }
183
184 /******************************************************************
185 *****************************************************************/
186
187 static WERROR create_open_service_handle( pipes_struct *p, struct policy_handle *handle, uint32 type,
188 const char *service, uint32 access_granted )
189 {
190 SERVICE_INFO *info = NULL;
191 WERROR result = WERR_OK;
192 struct service_control_op *s_op;
193
194 if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
195 return WERR_NOMEM;
196
197 /* the Service Manager has a NULL name */
198
199 info->type = SVC_HANDLE_IS_SCM;
200
201 switch ( type ) {
202 case SVC_HANDLE_IS_SCM:
203 info->type = SVC_HANDLE_IS_SCM;
204 break;
205
206 case SVC_HANDLE_IS_DBLOCK:
207 info->type = SVC_HANDLE_IS_DBLOCK;
208 break;
209
210 case SVC_HANDLE_IS_SERVICE:
211 info->type = SVC_HANDLE_IS_SERVICE;
212
213 /* lookup the SERVICE_CONTROL_OPS */
214
215 if ( !(s_op = find_service_by_name( service )) ) {
216 result = WERR_NO_SUCH_SERVICE;
217 goto done;
218 }
219
220 info->ops = s_op->ops;
221
222 if ( !(info->name = talloc_strdup( info, s_op->name )) ) {
223 result = WERR_NOMEM;
224 goto done;
225 }
226 break;
227
228 default:
229 result = WERR_NO_SUCH_SERVICE;
230 goto done;
231 }
232
233 info->access_granted = access_granted;
234
235 /* store the SERVICE_INFO and create an open handle */
236
237 if ( !create_policy_hnd( p, handle, info ) ) {
238 result = WERR_ACCESS_DENIED;
239 goto done;
240 }
241
242 done:
243 if ( !W_ERROR_IS_OK(result) )
244 TALLOC_FREE(info);
245
246 return result;
247 }
248
249 /********************************************************************
250 _svcctl_OpenSCManagerW
251 ********************************************************************/
252
253 WERROR _svcctl_OpenSCManagerW(pipes_struct *p,
254 struct svcctl_OpenSCManagerW *r)
255 {
256 SEC_DESC *sec_desc;
257 uint32 access_granted = 0;
258 NTSTATUS status;
259
260 /* perform access checks */
261
262 if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
263 return WERR_NOMEM;
264
265 se_map_generic( &r->in.access_mask, &scm_generic_map );
266 status = svcctl_access_check( sec_desc, p->server_info->ptok,
267 r->in.access_mask, &access_granted );
268 if ( !NT_STATUS_IS_OK(status) )
269 return ntstatus_to_werror( status );
270
271 return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
272 }
273
274 /********************************************************************
275 _svcctl_OpenServiceW
276 ********************************************************************/
277
278 WERROR _svcctl_OpenServiceW(pipes_struct *p,
279 struct svcctl_OpenServiceW *r)
280 {
281 SEC_DESC *sec_desc;
282 uint32 access_granted = 0;
283 NTSTATUS status;
284 const char *service = NULL;
285
286 service = r->in.ServiceName;
287 if (!service) {
288 return WERR_NOMEM;
289 }
290 DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
291
292 /* based on my tests you can open a service if you have a valid scm handle */
293
294 if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
295 return WERR_BADFID;
296
297 /* perform access checks. Use the root token in order to ensure that we
298 retrieve the security descriptor */
299
300 if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
301 return WERR_NOMEM;
302
303 se_map_generic( &r->in.access_mask, &svc_generic_map );
304 status = svcctl_access_check( sec_desc, p->server_info->ptok,
305 r->in.access_mask, &access_granted );
306 if ( !NT_STATUS_IS_OK(status) )
307 return ntstatus_to_werror( status );
308
309 return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
310 }
311
312 /********************************************************************
313 _svcctl_CloseServiceHandle
314 ********************************************************************/
315
316 WERROR _svcctl_CloseServiceHandle(pipes_struct *p,
317 struct svcctl_CloseServiceHandle *r)
318 {
319 if ( !close_policy_hnd( p, r->in.handle ) )
320 return WERR_BADFID;
321
322 ZERO_STRUCTP(r->out.handle);
323
324 return WERR_OK;
325 }
326
327 /********************************************************************
328 _svcctl_GetServiceDisplayNameW
329 ********************************************************************/
330
331 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p,
332 struct svcctl_GetServiceDisplayNameW *r)
333 {
334 const char *service;
335 const char *display_name;
336 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
337
338 /* can only use an SCM handle here */
339
340 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
341 return WERR_BADFID;
342
343 service = r->in.service_name;
344
345 display_name = svcctl_lookup_dispname(p->mem_ctx, service,
346 p->server_info->ptok);
347 if (!display_name) {
348 display_name = "";
349 }
350
351 *r->out.display_name = display_name;
352 *r->out.display_name_length = strlen(display_name);
353
354 return WERR_OK;
355 }
356
357 /********************************************************************
358 _svcctl_QueryServiceStatus
359 ********************************************************************/
360
361 WERROR _svcctl_QueryServiceStatus(pipes_struct *p,
362 struct svcctl_QueryServiceStatus *r)
363 {
364 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
365
366 /* perform access checks */
367
368 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
369 return WERR_BADFID;
370
371 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
372 return WERR_ACCESS_DENIED;
373
374 /* try the service specific status call */
375
376 return info->ops->service_status( info->name, r->out.service_status );
377 }
378
379 /********************************************************************
380 ********************************************************************/
381
382 static int enumerate_status( TALLOC_CTX *ctx, struct ENUM_SERVICE_STATUSW **status, NT_USER_TOKEN *token )
383 {
384 int num_services = 0;
385 int i;
386 struct ENUM_SERVICE_STATUSW *st;
387 const char *display_name;
388
389 /* just count */
390 while ( svcctl_ops[num_services].name )
391 num_services++;
392
393 if ( !(st = TALLOC_ARRAY( ctx, struct ENUM_SERVICE_STATUSW, num_services )) ) {
394 DEBUG(0,("enumerate_status: talloc() failed!\n"));
395 return -1;
396 }
397
398 for ( i=0; i<num_services; i++ ) {
399 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
400
401 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
402 st[i].display_name = talloc_strdup(st, display_name ? display_name : "");
403
404 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
405 }
406
407 *status = st;
408
409 return num_services;
410 }
411
412 /********************************************************************
413 _svcctl_EnumServicesStatusW
414 ********************************************************************/
415
416 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p,
417 struct svcctl_EnumServicesStatusW *r)
418 {
419 struct ENUM_SERVICE_STATUSW *services = NULL;
420 int num_services;
421 int i = 0;
422 size_t buffer_size = 0;
423 WERROR result = WERR_OK;
424 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
425 NT_USER_TOKEN *token = p->server_info->ptok;
426 DATA_BLOB blob = data_blob_null;
427
428 /* perform access checks */
429
430 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
431 return WERR_BADFID;
432
433 if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
434 return WERR_ACCESS_DENIED;
435 }
436
437 num_services = enumerate_status( p->mem_ctx, &services, token );
438 if (num_services == -1 ) {
439 return WERR_NOMEM;
440 }
441
442 for ( i=0; i<num_services; i++ ) {
443 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], NULL, 0);
444 }
445
446 buffer_size += buffer_size % 4;
447
448 if (buffer_size > r->in.offered) {
449 num_services = 0;
450 result = WERR_MORE_DATA;
451 }
452
453 if ( W_ERROR_IS_OK(result) ) {
454
455 enum ndr_err_code ndr_err;
456 struct ndr_push *ndr;
457
458 ndr = ndr_push_init_ctx(p->mem_ctx, NULL);
459 if (ndr == NULL) {
460 return WERR_INVALID_PARAM;
461 }
462
463 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
464 ndr, num_services, services);
465 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
466 return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
467 }
468 blob = ndr_push_blob(ndr);
469 memcpy(r->out.service, blob.data, MIN(blob.length, 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 if (r->out.resume_handle) {
475 *r->out.resume_handle = 0;
476 }
477
478 return result;
479 }
480
481 /********************************************************************
482 _svcctl_StartServiceW
483 ********************************************************************/
484
485 WERROR _svcctl_StartServiceW(pipes_struct *p,
486 struct svcctl_StartServiceW *r)
487 {
488 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
489
490 /* perform access checks */
491
492 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
493 return WERR_BADFID;
494
495 if ( !(info->access_granted & SC_RIGHT_SVC_START) )
496 return WERR_ACCESS_DENIED;
497
498 return info->ops->start_service( info->name );
499 }
500
501 /********************************************************************
502 _svcctl_ControlService
503 ********************************************************************/
504
505 WERROR _svcctl_ControlService(pipes_struct *p,
506 struct svcctl_ControlService *r)
507 {
508 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
509
510 /* perform access checks */
511
512 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
513 return WERR_BADFID;
514
515 switch ( r->in.control ) {
516 case SVCCTL_CONTROL_STOP:
517 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
518 return WERR_ACCESS_DENIED;
519
520 return info->ops->stop_service( info->name,
521 r->out.service_status );
522
523 case SVCCTL_CONTROL_INTERROGATE:
524 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
525 return WERR_ACCESS_DENIED;
526
527 return info->ops->service_status( info->name,
528 r->out.service_status );
529 default:
530 return WERR_INVALID_PARAM;
531 }
532 }
533
534 /********************************************************************
535 _svcctl_EnumDependentServicesW
536 ********************************************************************/
537
538 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
539 struct svcctl_EnumDependentServicesW *r)
540 {
541 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
542
543 /* perform access checks */
544
545 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
546 return WERR_BADFID;
547
548 if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
549 return WERR_ACCESS_DENIED;
550
551 switch (r->in.state) {
552 case SERVICE_STATE_ACTIVE:
553 case SERVICE_STATE_INACTIVE:
554 case SERVICE_STATE_ALL:
555 break;
556 default:
557 return WERR_INVALID_PARAM;
558 }
559
560 /* we have to set the outgoing buffer size to the same as the
561 incoming buffer size (even in the case of failure */
562 /* this is done in the autogenerated server already - gd */
563
564 *r->out.needed = r->in.offered;
565
566 /* no dependent services...basically a stub function */
567 *r->out.services_returned = 0;
568
569 return WERR_OK;
570 }
571
572 /********************************************************************
573 _svcctl_QueryServiceStatusEx
574 ********************************************************************/
575
576 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p,
577 struct svcctl_QueryServiceStatusEx *r)
578 {
579 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
580 uint32 buffer_size;
581
582 /* perform access checks */
583
584 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
585 return WERR_BADFID;
586
587 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
588 return WERR_ACCESS_DENIED;
589
590 /* we have to set the outgoing buffer size to the same as the
591 incoming buffer size (even in the case of failure) */
592 *r->out.needed = r->in.offered;
593
594 switch ( r->in.info_level ) {
595 case SVC_STATUS_PROCESS_INFO:
596 {
597 struct SERVICE_STATUS_PROCESS svc_stat_proc;
598 enum ndr_err_code ndr_err;
599 DATA_BLOB blob;
600
601 /* Get the status of the service.. */
602 info->ops->service_status( info->name, &svc_stat_proc.status );
603 svc_stat_proc.process_id = sys_getpid();
604 svc_stat_proc.service_flags = 0x0;
605
606 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
607 &svc_stat_proc,
608 (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
609 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
610 return WERR_INVALID_PARAM;
611 }
612
613 r->out.buffer = blob.data;
614 buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
615 break;
616 }
617
618 default:
619 return WERR_UNKNOWN_LEVEL;
620 }
621
622
623 buffer_size += buffer_size % 4;
624 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
625
626 if (buffer_size > r->in.offered ) {
627 return WERR_INSUFFICIENT_BUFFER;
628 }
629
630 return WERR_OK;
631 }
632
633 /********************************************************************
634 ********************************************************************/
635
636 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
637 struct QUERY_SERVICE_CONFIG *config,
638 NT_USER_TOKEN *token )
639 {
640 struct regval_ctr *values;
641 struct regval_blob *val;
642
643 /* retrieve the registry values for this service */
644
645 if ( !(values = svcctl_fetch_regvalues( name, token )) )
646 return WERR_REG_CORRUPT;
647
648 /* now fill in the individual values */
649
650 if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
651 config->displayname = regval_sz(val);
652 else
653 config->displayname = name;
654
655 if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
656 config->startname = regval_sz(val);
657 }
658
659 if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
660 config->executablepath = regval_sz(val);
661 }
662
663 /* a few hard coded values */
664 /* loadordergroup and dependencies are empty */
665
666 config->tag_id = 0x00000000; /* unassigned loadorder group */
667 config->service_type = SERVICE_TYPE_WIN32_OWN_PROCESS;
668 config->error_control = SVCCTL_SVC_ERROR_NORMAL;
669
670 /* set the start type. NetLogon and WINS are disabled to prevent
671 the client from showing the "Start" button (if of course the services
672 are not running */
673
674 if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
675 config->start_type = SVCCTL_DISABLED;
676 else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
677 config->start_type = SVCCTL_DISABLED;
678 else
679 config->start_type = SVCCTL_DEMAND_START;
680
681
682 TALLOC_FREE( values );
683
684 return WERR_OK;
685 }
686
687 /********************************************************************
688 _svcctl_QueryServiceConfigW
689 ********************************************************************/
690
691 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
692 struct svcctl_QueryServiceConfigW *r)
693 {
694 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
695 uint32 buffer_size;
696 WERROR wresult;
697
698 /* perform access checks */
699
700 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
701 return WERR_BADFID;
702
703 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
704 return WERR_ACCESS_DENIED;
705
706 /* we have to set the outgoing buffer size to the same as the
707 incoming buffer size (even in the case of failure */
708
709 *r->out.needed = r->in.offered;
710
711 wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
712 p->server_info->ptok);
713 if ( !W_ERROR_IS_OK(wresult) )
714 return wresult;
715
716 buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, NULL, 0);
717 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
718
719 if (buffer_size > r->in.offered ) {
720 ZERO_STRUCTP(r->out.query);
721 return WERR_INSUFFICIENT_BUFFER;
722 }
723
724 return WERR_OK;
725 }
726
727 /********************************************************************
728 _svcctl_QueryServiceConfig2W
729 ********************************************************************/
730
731 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p,
732 struct svcctl_QueryServiceConfig2W *r)
733 {
734 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
735 uint32 buffer_size;
736
737 /* perform access checks */
738
739 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
740 return WERR_BADFID;
741
742 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
743 return WERR_ACCESS_DENIED;
744
745 /* we have to set the outgoing buffer size to the same as the
746 incoming buffer size (even in the case of failure */
747 *r->out.needed = r->in.offered;
748
749 switch ( r->in.info_level ) {
750 case SERVICE_CONFIG_DESCRIPTION:
751 {
752 struct SERVICE_DESCRIPTION desc_buf;
753 const char *description;
754 enum ndr_err_code ndr_err;
755 DATA_BLOB blob;
756
757 description = svcctl_lookup_description(
758 p->mem_ctx, info->name, p->server_info->ptok);
759
760 desc_buf.description = description;
761
762 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
763 &desc_buf,
764 (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
765 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
766 return WERR_INVALID_PARAM;
767 }
768
769 buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, NULL, 0);
770 r->out.buffer = blob.data;
771
772 break;
773 }
774 break;
775 case SERVICE_CONFIG_FAILURE_ACTIONS:
776 {
777 struct SERVICE_FAILURE_ACTIONS actions;
778 enum ndr_err_code ndr_err;
779 DATA_BLOB blob;
780
781 /* nothing to say...just service the request */
782
783 ZERO_STRUCT( actions );
784
785 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
786 &actions,
787 (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
788 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
789 return WERR_INVALID_PARAM;
790 }
791
792 buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, NULL, 0);
793 r->out.buffer = blob.data;
794
795 break;
796 }
797 break;
798
799 default:
800 return WERR_UNKNOWN_LEVEL;
801 }
802
803 buffer_size += buffer_size % 4;
804 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
805
806 if (buffer_size > r->in.offered)
807 return WERR_INSUFFICIENT_BUFFER;
808
809 return WERR_OK;
810 }
811
812 /********************************************************************
813 _svcctl_LockServiceDatabase
814 ********************************************************************/
815
816 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
817 struct svcctl_LockServiceDatabase *r)
818 {
819 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
820
821 /* perform access checks */
822
823 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
824 return WERR_BADFID;
825
826 if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
827 return WERR_ACCESS_DENIED;
828
829 /* Just open a handle. Doesn't actually lock anything */
830
831 return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
832 }
833
834 /********************************************************************
835 _svcctl_UnlockServiceDatabase
836 ********************************************************************/
837
838 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
839 struct svcctl_UnlockServiceDatabase *r)
840 {
841 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
842
843
844 if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
845 return WERR_BADFID;
846
847 return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
848 }
849
850 /********************************************************************
851 _svcctl_QueryServiceObjectSecurity
852 ********************************************************************/
853
854 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
855 struct svcctl_QueryServiceObjectSecurity *r)
856 {
857 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
858 SEC_DESC *sec_desc;
859 NTSTATUS status;
860 uint8_t *buffer = NULL;
861 size_t len = 0;
862
863
864 /* only support the SCM and individual services */
865
866 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
867 return WERR_BADFID;
868
869 /* check access reights (according to MSDN) */
870
871 if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
872 return WERR_ACCESS_DENIED;
873
874 /* TODO: handle something besides DACL_SECURITY_INFORMATION */
875
876 if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
877 return WERR_INVALID_PARAM;
878
879 /* lookup the security descriptor and marshall it up for a reply */
880
881 if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
882 return WERR_NOMEM;
883
884 *r->out.needed = ndr_size_security_descriptor( sec_desc, NULL, 0 );
885
886 if ( *r->out.needed > r->in.offered) {
887 return WERR_INSUFFICIENT_BUFFER;
888 }
889
890 status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
891 if (!NT_STATUS_IS_OK(status)) {
892 return ntstatus_to_werror(status);
893 }
894
895 *r->out.needed = len;
896 r->out.buffer = buffer;
897
898 return WERR_OK;
899 }
900
901 /********************************************************************
902 _svcctl_SetServiceObjectSecurity
903 ********************************************************************/
904
905 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
906 struct svcctl_SetServiceObjectSecurity *r)
907 {
908 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
909 SEC_DESC *sec_desc = NULL;
910 uint32 required_access;
911 NTSTATUS status;
912
913 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
914 return WERR_BADFID;
915
916 /* can't set the security de4scriptor on the ServiceControlManager */
917
918 if ( info->type == SVC_HANDLE_IS_SCM )
919 return WERR_ACCESS_DENIED;
920
921 /* check the access on the open handle */
922
923 switch ( r->in.security_flags ) {
924 case DACL_SECURITY_INFORMATION:
925 required_access = STD_RIGHT_WRITE_DAC_ACCESS;
926 break;
927
928 case OWNER_SECURITY_INFORMATION:
929 case GROUP_SECURITY_INFORMATION:
930 required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
931 break;
932
933 case SACL_SECURITY_INFORMATION:
934 return WERR_INVALID_PARAM;
935 default:
936 return WERR_INVALID_PARAM;
937 }
938
939 if ( !(info->access_granted & required_access) )
940 return WERR_ACCESS_DENIED;
941
942 /* read the security descfriptor */
943
944 status = unmarshall_sec_desc(p->mem_ctx,
945 r->in.buffer,
946 r->in.offered,
947 &sec_desc);
948 if (!NT_STATUS_IS_OK(status)) {
949 return ntstatus_to_werror(status);
950 }
951
952 /* store the new SD */
953
954 if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
955 p->server_info->ptok) )
956 return WERR_ACCESS_DENIED;
957
958 return WERR_OK;
959 }
960
961
962 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
963 {
964 p->rng_fault_state = True;
965 return WERR_NOT_SUPPORTED;
966 }
967
968 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
969 {
970 p->rng_fault_state = True;
971 return WERR_NOT_SUPPORTED;
972 }
973
974 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
975 {
976 p->rng_fault_state = True;
977 return WERR_NOT_SUPPORTED;
978 }
979
980 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
981 {
982 p->rng_fault_state = True;
983 return WERR_NOT_SUPPORTED;
984 }
985
986 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
987 {
988 p->rng_fault_state = True;
989 return WERR_NOT_SUPPORTED;
990 }
991
992 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
993 {
994 p->rng_fault_state = True;
995 return WERR_NOT_SUPPORTED;
996 }
997
998 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
999 {
1000 p->rng_fault_state = True;
1001 return WERR_NOT_SUPPORTED;
1002 }
1003
1004 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
1005 {
1006 p->rng_fault_state = True;
1007 return WERR_NOT_SUPPORTED;
1008 }
1009
1010 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1011 {
1012 p->rng_fault_state = True;
1013 return WERR_NOT_SUPPORTED;
1014 }
1015
1016 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1017 {
1018 p->rng_fault_state = True;
1019 return WERR_NOT_SUPPORTED;
1020 }
1021
1022 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1023 {
1024 p->rng_fault_state = True;
1025 return WERR_NOT_SUPPORTED;
1026 }
1027
1028 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1029 {
1030 p->rng_fault_state = True;
1031 return WERR_NOT_SUPPORTED;
1032 }
1033
1034 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1035 {
1036 p->rng_fault_state = True;
1037 return WERR_NOT_SUPPORTED;
1038 }
1039
1040 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1041 {
1042 p->rng_fault_state = True;
1043 return WERR_NOT_SUPPORTED;
1044 }
1045
1046 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1047 {
1048 p->rng_fault_state = True;
1049 return WERR_NOT_SUPPORTED;
1050 }
1051
1052 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1053 {
1054 p->rng_fault_state = True;
1055 return WERR_NOT_SUPPORTED;
1056 }
1057
1058 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1059 {
1060 p->rng_fault_state = True;
1061 return WERR_NOT_SUPPORTED;
1062 }
1063
1064 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1065 {
1066 p->rng_fault_state = True;
1067 return WERR_NOT_SUPPORTED;
1068 }
1069
1070 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1071 {
1072 p->rng_fault_state = True;
1073 return WERR_NOT_SUPPORTED;
1074 }
1075
1076 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1077 {
1078 p->rng_fault_state = True;
1079 return WERR_NOT_SUPPORTED;
1080 }
1081
1082 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1083 {
1084 p->rng_fault_state = True;
1085 return WERR_NOT_SUPPORTED;
1086 }
1087
1088 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1089 {
1090 p->rng_fault_state = True;
1091 return WERR_NOT_SUPPORTED;
1092 }
1093
1094 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1095 {
1096 p->rng_fault_state = True;
1097 return WERR_NOT_SUPPORTED;
1098 }
1099
1100 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1101 {
1102 p->rng_fault_state = True;
1103 return WERR_NOT_SUPPORTED;
1104 }
1105
1106 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1107 {
1108 p->rng_fault_state = True;
1109 return WERR_NOT_SUPPORTED;
1110 }
1111
1112 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1113 {
1114 p->rng_fault_state = True;
1115 return WERR_NOT_SUPPORTED;
1116 }
1117
1118 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1119 {
1120 p->rng_fault_state = True;
1121 return WERR_NOT_SUPPORTED;
1122 }
1123
1124 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1125 {
1126 p->rng_fault_state = True;
1127 return WERR_NOT_SUPPORTED;
1128 }
1129
fernandojvsilva's samba4 branch