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s3:rpc_server/svcctl: fix valgrind bug in _svcctl_QueryServiceObjectSecurity()
[Samba.git] / source3 / rpc_server / svcctl / srv_svcctl_nt.c
blob044dd1548ade541211d5b396f6aa9a4dc417ca06
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 "ntdomain.h"
27 #include "../librpc/gen_ndr/srv_svcctl.h"
28 #include "../libcli/security/security.h"
29 #include "../librpc/gen_ndr/ndr_security.h"
30 #include "services/services.h"
31 #include "services/svc_winreg_glue.h"
32 #include "auth.h"
33 #include "rpc_server/svcctl/srv_svcctl_nt.h"
34
35 #undef DBGC_CLASS
36 #define DBGC_CLASS DBGC_RPC_SRV
37
38 struct service_control_op {
39 const char *name;
40 SERVICE_CONTROL_OPS *ops;
41 };
42
43 /* handle external services */
44 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
45
46 /* builtin services (see service_db.c and services/svc_*.c */
47 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
48 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
49 extern SERVICE_CONTROL_OPS winreg_svc_ops;
50 extern SERVICE_CONTROL_OPS wins_svc_ops;
51
52 /* make sure this number patches the number of builtin
53 SERVICE_CONTROL_OPS structure listed above */
54
55 #define SVCCTL_NUM_INTERNAL_SERVICES 4
56
57 struct service_control_op *svcctl_ops;
58
59 static const struct generic_mapping scm_generic_map =
60 { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
61 static const struct generic_mapping svc_generic_map =
62 { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
63
64
65 /********************************************************************
66 ********************************************************************/
67
68 bool init_service_op_table( void )
69 {
70 const char **service_list = lp_svcctl_list();
71 int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
72 int i;
73
74 if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
75 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
76 return False;
77 }
78
79 /* services listed in smb.conf get the rc.init interface */
80
81 for ( i=0; service_list && service_list[i]; i++ ) {
82 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
83 svcctl_ops[i].ops = &rcinit_svc_ops;
84 }
85
86 /* add builtin services */
87
88 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
89 svcctl_ops[i].ops = &spoolss_svc_ops;
90 i++;
91
92 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
93 svcctl_ops[i].ops = &netlogon_svc_ops;
94 i++;
95
96 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
97 svcctl_ops[i].ops = &winreg_svc_ops;
98 i++;
99
100 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
101 svcctl_ops[i].ops = &wins_svc_ops;
102 i++;
103
104 /* NULL terminate the array */
105
106 svcctl_ops[i].name = NULL;
107 svcctl_ops[i].ops = NULL;
108
109 return True;
110 }
111
112 bool shutdown_service_op_table(void)
113 {
114 TALLOC_FREE(svcctl_ops);
115
116 return true;
117 }
118
119 /********************************************************************
120 ********************************************************************/
121
122 static struct service_control_op* find_service_by_name( const char *name )
123 {
124 int i;
125
126 for ( i=0; svcctl_ops[i].name; i++ ) {
127 if ( strequal( name, svcctl_ops[i].name ) )
128 return &svcctl_ops[i];
129 }
130
131 return NULL;
132 }
133 /********************************************************************
134 ********************************************************************/
135
136 static NTSTATUS svcctl_access_check( struct security_descriptor *sec_desc, struct security_token *token,
137 uint32 access_desired, uint32 *access_granted )
138 {
139 if ( geteuid() == sec_initial_uid() ) {
140 DEBUG(5,("svcctl_access_check: using root's token\n"));
141 token = get_root_nt_token();
142 }
143
144 return se_access_check( sec_desc, token, access_desired, access_granted);
145 }
146
147 /********************************************************************
148 ********************************************************************/
149
150 static struct security_descriptor* construct_scm_sd( TALLOC_CTX *ctx )
151 {
152 struct security_ace ace[2];
153 size_t i = 0;
154 struct security_descriptor *sd;
155 struct security_acl *theacl;
156 size_t sd_size;
157
158 /* basic access for Everyone */
159
160 init_sec_ace(&ace[i++], &global_sid_World,
161 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
162
163 /* Full Access 'BUILTIN\Administrators' */
164
165 init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
166 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
167
168
169 /* create the security descriptor */
170
171 if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
172 return NULL;
173
174 if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
175 SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
176 theacl, &sd_size)) )
177 return NULL;
178
179 return sd;
180 }
181
182 /******************************************************************
183 Find a registry key handle and return a SERVICE_INFO
184 *****************************************************************/
185
186 static SERVICE_INFO *find_service_info_by_hnd(struct pipes_struct *p,
187 struct policy_handle *hnd)
188 {
189 SERVICE_INFO *service_info = NULL;
190
191 if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
192 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
193 return NULL;
194 }
195
196 return service_info;
197 }
198
199 /******************************************************************
200 *****************************************************************/
201
202 static WERROR create_open_service_handle(struct pipes_struct *p,
203 struct policy_handle *handle,
204 uint32_t type,
205 const char *service,
206 uint32_t access_granted)
207 {
208 SERVICE_INFO *info = NULL;
209 WERROR result = WERR_OK;
210 struct service_control_op *s_op;
211
212 if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
213 return WERR_NOMEM;
214
215 /* the Service Manager has a NULL name */
216
217 info->type = SVC_HANDLE_IS_SCM;
218
219 switch ( type ) {
220 case SVC_HANDLE_IS_SCM:
221 info->type = SVC_HANDLE_IS_SCM;
222 break;
223
224 case SVC_HANDLE_IS_DBLOCK:
225 info->type = SVC_HANDLE_IS_DBLOCK;
226 break;
227
228 case SVC_HANDLE_IS_SERVICE:
229 info->type = SVC_HANDLE_IS_SERVICE;
230
231 /* lookup the SERVICE_CONTROL_OPS */
232
233 if ( !(s_op = find_service_by_name( service )) ) {
234 result = WERR_NO_SUCH_SERVICE;
235 goto done;
236 }
237
238 info->ops = s_op->ops;
239
240 if ( !(info->name = talloc_strdup( info, s_op->name )) ) {
241 result = WERR_NOMEM;
242 goto done;
243 }
244 break;
245
246 default:
247 result = WERR_NO_SUCH_SERVICE;
248 goto done;
249 }
250
251 info->access_granted = access_granted;
252
253 /* store the SERVICE_INFO and create an open handle */
254
255 if ( !create_policy_hnd( p, handle, info ) ) {
256 result = WERR_ACCESS_DENIED;
257 goto done;
258 }
259
260 done:
261 if ( !W_ERROR_IS_OK(result) )
262 TALLOC_FREE(info);
263
264 return result;
265 }
266
267 /********************************************************************
268 _svcctl_OpenSCManagerW
269 ********************************************************************/
270
271 WERROR _svcctl_OpenSCManagerW(struct pipes_struct *p,
272 struct svcctl_OpenSCManagerW *r)
273 {
274 struct security_descriptor *sec_desc;
275 uint32 access_granted = 0;
276 NTSTATUS status;
277
278 /* perform access checks */
279
280 if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
281 return WERR_NOMEM;
282
283 se_map_generic( &r->in.access_mask, &scm_generic_map );
284 status = svcctl_access_check( sec_desc, p->session_info->security_token,
285 r->in.access_mask, &access_granted );
286 if ( !NT_STATUS_IS_OK(status) )
287 return ntstatus_to_werror( status );
288
289 return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
290 }
291
292 /********************************************************************
293 _svcctl_OpenServiceW
294 ********************************************************************/
295
296 WERROR _svcctl_OpenServiceW(struct pipes_struct *p,
297 struct svcctl_OpenServiceW *r)
298 {
299 struct security_descriptor *sec_desc;
300 uint32 access_granted = 0;
301 NTSTATUS status;
302 const char *service = NULL;
303
304 service = r->in.ServiceName;
305 if (!service) {
306 return WERR_NOMEM;
307 }
308 DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
309
310 /* based on my tests you can open a service if you have a valid scm handle */
311
312 if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
313 return WERR_BADFID;
314
315 /*
316 * Perform access checks. Use the system session_info in order to ensure
317 * that we retrieve the security descriptor
318 */
319 sec_desc = svcctl_get_secdesc(p->mem_ctx,
320 p->msg_ctx,
321 get_session_info_system(),
322 service);
323 if (sec_desc == NULL) {
324 DEBUG(0, ("_svcctl_OpenServiceW: Failed to get a valid security "
325 "descriptor"));
326 return WERR_NOMEM;
327 }
328
329 se_map_generic( &r->in.access_mask, &svc_generic_map );
330 status = svcctl_access_check( sec_desc, p->session_info->security_token,
331 r->in.access_mask, &access_granted );
332 if ( !NT_STATUS_IS_OK(status) )
333 return ntstatus_to_werror( status );
334
335 return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
336 }
337
338 /********************************************************************
339 _svcctl_CloseServiceHandle
340 ********************************************************************/
341
342 WERROR _svcctl_CloseServiceHandle(struct pipes_struct *p,
343 struct svcctl_CloseServiceHandle *r)
344 {
345 if ( !close_policy_hnd( p, r->in.handle ) )
346 return WERR_BADFID;
347
348 ZERO_STRUCTP(r->out.handle);
349
350 return WERR_OK;
351 }
352
353 /********************************************************************
354 _svcctl_GetServiceDisplayNameW
355 ********************************************************************/
356
357 WERROR _svcctl_GetServiceDisplayNameW(struct pipes_struct *p,
358 struct svcctl_GetServiceDisplayNameW *r)
359 {
360 const char *service;
361 const char *display_name;
362 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
363
364 /* can only use an SCM handle here */
365
366 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
367 return WERR_BADFID;
368
369 service = r->in.service_name;
370
371 display_name = svcctl_lookup_dispname(p->mem_ctx,
372 p->msg_ctx,
373 p->session_info,
374 service);
375 if (!display_name) {
376 display_name = "";
377 }
378
379 *r->out.display_name = display_name;
380 *r->out.display_name_length = strlen(display_name);
381
382 return WERR_OK;
383 }
384
385 /********************************************************************
386 _svcctl_QueryServiceStatus
387 ********************************************************************/
388
389 WERROR _svcctl_QueryServiceStatus(struct pipes_struct *p,
390 struct svcctl_QueryServiceStatus *r)
391 {
392 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
393
394 /* perform access checks */
395
396 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
397 return WERR_BADFID;
398
399 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
400 return WERR_ACCESS_DENIED;
401
402 /* try the service specific status call */
403
404 return info->ops->service_status( info->name, r->out.service_status );
405 }
406
407 /********************************************************************
408 ********************************************************************/
409
410 static int enumerate_status(TALLOC_CTX *ctx,
411 struct messaging_context *msg_ctx,
412 struct auth_serversupplied_info *session_info,
413 struct ENUM_SERVICE_STATUSW **status)
414 {
415 int num_services = 0;
416 int i;
417 struct ENUM_SERVICE_STATUSW *st;
418 const char *display_name;
419
420 /* just count */
421 while ( svcctl_ops[num_services].name )
422 num_services++;
423
424 if ( !(st = TALLOC_ARRAY( ctx, struct ENUM_SERVICE_STATUSW, num_services )) ) {
425 DEBUG(0,("enumerate_status: talloc() failed!\n"));
426 return -1;
427 }
428
429 for ( i=0; i<num_services; i++ ) {
430 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
431
432 display_name = svcctl_lookup_dispname(ctx,
433 msg_ctx,
434 session_info,
435 svcctl_ops[i].name);
436 st[i].display_name = talloc_strdup(st, display_name ? display_name : "");
437
438 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
439 }
440
441 *status = st;
442
443 return num_services;
444 }
445
446 /********************************************************************
447 _svcctl_EnumServicesStatusW
448 ********************************************************************/
449
450 WERROR _svcctl_EnumServicesStatusW(struct pipes_struct *p,
451 struct svcctl_EnumServicesStatusW *r)
452 {
453 struct ENUM_SERVICE_STATUSW *services = NULL;
454 int num_services;
455 int i = 0;
456 size_t buffer_size = 0;
457 WERROR result = WERR_OK;
458 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
459 DATA_BLOB blob = data_blob_null;
460
461 /* perform access checks */
462
463 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
464 return WERR_BADFID;
465
466 if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
467 return WERR_ACCESS_DENIED;
468 }
469
470 num_services = enumerate_status(p->mem_ctx,
471 p->msg_ctx,
472 p->session_info,
473 &services);
474 if (num_services == -1 ) {
475 return WERR_NOMEM;
476 }
477
478 for ( i=0; i<num_services; i++ ) {
479 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], 0);
480 }
481
482 buffer_size += buffer_size % 4;
483
484 if (buffer_size > r->in.offered) {
485 num_services = 0;
486 result = WERR_MORE_DATA;
487 }
488
489 if ( W_ERROR_IS_OK(result) ) {
490
491 enum ndr_err_code ndr_err;
492 struct ndr_push *ndr;
493
494 ndr = ndr_push_init_ctx(p->mem_ctx);
495 if (ndr == NULL) {
496 return WERR_INVALID_PARAM;
497 }
498
499 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
500 ndr, num_services, services);
501 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
502 return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
503 }
504 blob = ndr_push_blob(ndr);
505 memcpy(r->out.service, blob.data, MIN(blob.length, r->in.offered));
506 }
507
508 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
509 *r->out.services_returned = (uint32)num_services;
510 if (r->out.resume_handle) {
511 *r->out.resume_handle = 0;
512 }
513
514 return result;
515 }
516
517 /********************************************************************
518 _svcctl_StartServiceW
519 ********************************************************************/
520
521 WERROR _svcctl_StartServiceW(struct pipes_struct *p,
522 struct svcctl_StartServiceW *r)
523 {
524 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
525
526 /* perform access checks */
527
528 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
529 return WERR_BADFID;
530
531 if ( !(info->access_granted & SC_RIGHT_SVC_START) )
532 return WERR_ACCESS_DENIED;
533
534 return info->ops->start_service( info->name );
535 }
536
537 /********************************************************************
538 _svcctl_ControlService
539 ********************************************************************/
540
541 WERROR _svcctl_ControlService(struct pipes_struct *p,
542 struct svcctl_ControlService *r)
543 {
544 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
545
546 /* perform access checks */
547
548 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
549 return WERR_BADFID;
550
551 switch ( r->in.control ) {
552 case SVCCTL_CONTROL_STOP:
553 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
554 return WERR_ACCESS_DENIED;
555
556 return info->ops->stop_service( info->name,
557 r->out.service_status );
558
559 case SVCCTL_CONTROL_INTERROGATE:
560 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
561 return WERR_ACCESS_DENIED;
562
563 return info->ops->service_status( info->name,
564 r->out.service_status );
565 default:
566 return WERR_INVALID_PARAM;
567 }
568 }
569
570 /********************************************************************
571 _svcctl_EnumDependentServicesW
572 ********************************************************************/
573
574 WERROR _svcctl_EnumDependentServicesW(struct pipes_struct *p,
575 struct svcctl_EnumDependentServicesW *r)
576 {
577 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
578
579 /* perform access checks */
580
581 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
582 return WERR_BADFID;
583
584 if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
585 return WERR_ACCESS_DENIED;
586
587 switch (r->in.state) {
588 case SERVICE_STATE_ACTIVE:
589 case SERVICE_STATE_INACTIVE:
590 case SERVICE_STATE_ALL:
591 break;
592 default:
593 return WERR_INVALID_PARAM;
594 }
595
596 /* we have to set the outgoing buffer size to the same as the
597 incoming buffer size (even in the case of failure */
598 /* this is done in the autogenerated server already - gd */
599
600 *r->out.needed = r->in.offered;
601
602 /* no dependent services...basically a stub function */
603 *r->out.services_returned = 0;
604
605 return WERR_OK;
606 }
607
608 /********************************************************************
609 _svcctl_QueryServiceStatusEx
610 ********************************************************************/
611
612 WERROR _svcctl_QueryServiceStatusEx(struct pipes_struct *p,
613 struct svcctl_QueryServiceStatusEx *r)
614 {
615 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
616 uint32 buffer_size;
617
618 /* perform access checks */
619
620 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
621 return WERR_BADFID;
622
623 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
624 return WERR_ACCESS_DENIED;
625
626 /* we have to set the outgoing buffer size to the same as the
627 incoming buffer size (even in the case of failure) */
628 *r->out.needed = r->in.offered;
629
630 switch ( r->in.info_level ) {
631 case SVC_STATUS_PROCESS_INFO:
632 {
633 struct SERVICE_STATUS_PROCESS svc_stat_proc;
634 enum ndr_err_code ndr_err;
635 DATA_BLOB blob;
636
637 /* Get the status of the service.. */
638 info->ops->service_status( info->name, &svc_stat_proc.status );
639 svc_stat_proc.process_id = sys_getpid();
640 svc_stat_proc.service_flags = 0x0;
641
642 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &svc_stat_proc,
643 (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
644 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
645 return WERR_INVALID_PARAM;
646 }
647
648 r->out.buffer = blob.data;
649 buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
650 break;
651 }
652
653 default:
654 return WERR_UNKNOWN_LEVEL;
655 }
656
657
658 buffer_size += buffer_size % 4;
659 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
660
661 if (buffer_size > r->in.offered ) {
662 return WERR_INSUFFICIENT_BUFFER;
663 }
664
665 return WERR_OK;
666 }
667
668 /********************************************************************
669 ********************************************************************/
670
671 static WERROR fill_svc_config(TALLOC_CTX *mem_ctx,
672 struct messaging_context *msg_ctx,
673 struct auth_serversupplied_info *session_info,
674 const char *name,
675 struct QUERY_SERVICE_CONFIG *config)
676 {
677 const char *result = NULL;
678
679 /* now fill in the individual values */
680
681 ZERO_STRUCTP(config);
682
683 config->displayname = svcctl_lookup_dispname(mem_ctx,
684 msg_ctx,
685 session_info,
686 name);
687
688 result = svcctl_get_string_value(mem_ctx,
689 msg_ctx,
690 session_info,
691 name,
692 "ObjectName");
693 if (result != NULL) {
694 config->startname = result;
695 }
696
697 result = svcctl_get_string_value(mem_ctx,
698 msg_ctx,
699 session_info,
700 name,
701 "ImagePath");
702 if (result != NULL) {
703 config->executablepath = result;
704 }
705
706 /* a few hard coded values */
707 /* loadordergroup and dependencies are empty */
708
709 config->tag_id = 0x00000000; /* unassigned loadorder group */
710 config->service_type = SERVICE_TYPE_WIN32_OWN_PROCESS;
711 config->error_control = SVCCTL_SVC_ERROR_NORMAL;
712
713 /* set the start type. NetLogon and WINS are disabled to prevent
714 the client from showing the "Start" button (if of course the services
715 are not running */
716
717 if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
718 config->start_type = SVCCTL_DISABLED;
719 else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
720 config->start_type = SVCCTL_DISABLED;
721 else
722 config->start_type = SVCCTL_DEMAND_START;
723
724 return WERR_OK;
725 }
726
727 /********************************************************************
728 _svcctl_QueryServiceConfigW
729 ********************************************************************/
730
731 WERROR _svcctl_QueryServiceConfigW(struct pipes_struct *p,
732 struct svcctl_QueryServiceConfigW *r)
733 {
734 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
735 uint32 buffer_size;
736 WERROR wresult;
737
738 /* perform access checks */
739
740 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
741 return WERR_BADFID;
742
743 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
744 return WERR_ACCESS_DENIED;
745
746 /* we have to set the outgoing buffer size to the same as the
747 incoming buffer size (even in the case of failure */
748
749 *r->out.needed = r->in.offered;
750
751 wresult = fill_svc_config(p->mem_ctx,
752 p->msg_ctx,
753 p->session_info,
754 info->name,
755 r->out.query);
756 if ( !W_ERROR_IS_OK(wresult) )
757 return wresult;
758
759 buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, 0);
760 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
761
762 if (buffer_size > r->in.offered ) {
763 ZERO_STRUCTP(r->out.query);
764 return WERR_INSUFFICIENT_BUFFER;
765 }
766
767 return WERR_OK;
768 }
769
770 /********************************************************************
771 _svcctl_QueryServiceConfig2W
772 ********************************************************************/
773
774 WERROR _svcctl_QueryServiceConfig2W(struct pipes_struct *p,
775 struct svcctl_QueryServiceConfig2W *r)
776 {
777 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
778 uint32_t buffer_size;
779 DATA_BLOB blob = data_blob_null;
780
781 /* perform access checks */
782
783 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
784 return WERR_BADFID;
785
786 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
787 return WERR_ACCESS_DENIED;
788
789 /* we have to set the outgoing buffer size to the same as the
790 incoming buffer size (even in the case of failure */
791 *r->out.needed = r->in.offered;
792
793 switch ( r->in.info_level ) {
794 case SERVICE_CONFIG_DESCRIPTION:
795 {
796 struct SERVICE_DESCRIPTION desc_buf;
797 const char *description;
798 enum ndr_err_code ndr_err;
799
800 description = svcctl_lookup_description(p->mem_ctx,
801 p->msg_ctx,
802 p->session_info,
803 info->name);
804
805 desc_buf.description = description;
806
807 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &desc_buf,
808 (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
809 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
810 return WERR_INVALID_PARAM;
811 }
812
813 break;
814 }
815 break;
816 case SERVICE_CONFIG_FAILURE_ACTIONS:
817 {
818 struct SERVICE_FAILURE_ACTIONS actions;
819 enum ndr_err_code ndr_err;
820
821 /* nothing to say...just service the request */
822
823 ZERO_STRUCT( actions );
824
825 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &actions,
826 (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
827 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
828 return WERR_INVALID_PARAM;
829 }
830
831 break;
832 }
833 break;
834
835 default:
836 return WERR_UNKNOWN_LEVEL;
837 }
838
839 buffer_size = blob.length;
840 buffer_size += buffer_size % 4;
841 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
842
843 if (buffer_size > r->in.offered)
844 return WERR_INSUFFICIENT_BUFFER;
845
846 memcpy(r->out.buffer, blob.data, blob.length);
847
848 return WERR_OK;
849 }
850
851 /********************************************************************
852 _svcctl_LockServiceDatabase
853 ********************************************************************/
854
855 WERROR _svcctl_LockServiceDatabase(struct pipes_struct *p,
856 struct svcctl_LockServiceDatabase *r)
857 {
858 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
859
860 /* perform access checks */
861
862 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
863 return WERR_BADFID;
864
865 if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
866 return WERR_ACCESS_DENIED;
867
868 /* Just open a handle. Doesn't actually lock anything */
869
870 return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
871 }
872
873 /********************************************************************
874 _svcctl_UnlockServiceDatabase
875 ********************************************************************/
876
877 WERROR _svcctl_UnlockServiceDatabase(struct pipes_struct *p,
878 struct svcctl_UnlockServiceDatabase *r)
879 {
880 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
881
882
883 if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
884 return WERR_BADFID;
885
886 return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
887 }
888
889 /********************************************************************
890 _svcctl_QueryServiceObjectSecurity
891 ********************************************************************/
892
893 WERROR _svcctl_QueryServiceObjectSecurity(struct pipes_struct *p,
894 struct svcctl_QueryServiceObjectSecurity *r)
895 {
896 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
897 struct security_descriptor *sec_desc;
898 NTSTATUS status;
899 uint8_t *buffer = NULL;
900 size_t len = 0;
901
902
903 /* only support the SCM and individual services */
904
905 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
906 return WERR_BADFID;
907
908 /* check access reights (according to MSDN) */
909
910 if ( !(info->access_granted & SEC_STD_READ_CONTROL) )
911 return WERR_ACCESS_DENIED;
912
913 /* TODO: handle something besides SECINFO_DACL */
914
915 if ( (r->in.security_flags & SECINFO_DACL) != SECINFO_DACL )
916 return WERR_INVALID_PARAM;
917
918 /* Lookup the security descriptor and marshall it up for a reply */
919 sec_desc = svcctl_get_secdesc(p->mem_ctx,
920 p->msg_ctx,
921 get_session_info_system(),
922 info->name);
923 if (sec_desc == NULL) {
924 return WERR_NOMEM;
925 }
926
927 *r->out.needed = ndr_size_security_descriptor(sec_desc, 0);
928
929 if ( *r->out.needed > r->in.offered) {
930 return WERR_INSUFFICIENT_BUFFER;
931 }
932
933 status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
934 if (!NT_STATUS_IS_OK(status)) {
935 return ntstatus_to_werror(status);
936 }
937
938 *r->out.needed = len;
939 memcpy(r->out.buffer, buffer, len);
940
941 return WERR_OK;
942 }
943
944 /********************************************************************
945 _svcctl_SetServiceObjectSecurity
946 ********************************************************************/
947
948 WERROR _svcctl_SetServiceObjectSecurity(struct pipes_struct *p,
949 struct svcctl_SetServiceObjectSecurity *r)
950 {
951 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
952 struct security_descriptor *sec_desc = NULL;
953 uint32 required_access;
954 NTSTATUS status;
955
956 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
957 return WERR_BADFID;
958
959 /* can't set the security de4scriptor on the ServiceControlManager */
960
961 if ( info->type == SVC_HANDLE_IS_SCM )
962 return WERR_ACCESS_DENIED;
963
964 /* check the access on the open handle */
965
966 switch ( r->in.security_flags ) {
967 case SECINFO_DACL:
968 required_access = SEC_STD_WRITE_DAC;
969 break;
970
971 case SECINFO_OWNER:
972 case SECINFO_GROUP:
973 required_access = SEC_STD_WRITE_OWNER;
974 break;
975
976 case SECINFO_SACL:
977 return WERR_INVALID_PARAM;
978 default:
979 return WERR_INVALID_PARAM;
980 }
981
982 if ( !(info->access_granted & required_access) )
983 return WERR_ACCESS_DENIED;
984
985 /* read the security descfriptor */
986
987 status = unmarshall_sec_desc(p->mem_ctx,
988 r->in.buffer,
989 r->in.offered,
990 &sec_desc);
991 if (!NT_STATUS_IS_OK(status)) {
992 return ntstatus_to_werror(status);
993 }
994
995 /* store the new SD */
996
997 if (!svcctl_set_secdesc(p->msg_ctx, p->session_info, info->name, sec_desc))
998 return WERR_ACCESS_DENIED;
999
1000 return WERR_OK;
1001 }
1002
1003
1004 WERROR _svcctl_DeleteService(struct pipes_struct *p,
1005 struct svcctl_DeleteService *r)
1006 {
1007 p->rng_fault_state = True;
1008 return WERR_NOT_SUPPORTED;
1009 }
1010
1011 WERROR _svcctl_SetServiceStatus(struct pipes_struct *p,
1012 struct svcctl_SetServiceStatus *r)
1013 {
1014 p->rng_fault_state = True;
1015 return WERR_NOT_SUPPORTED;
1016 }
1017
1018 WERROR _svcctl_NotifyBootConfigStatus(struct pipes_struct *p,
1019 struct svcctl_NotifyBootConfigStatus *r)
1020 {
1021 p->rng_fault_state = True;
1022 return WERR_NOT_SUPPORTED;
1023 }
1024
1025 WERROR _svcctl_SCSetServiceBitsW(struct pipes_struct *p,
1026 struct svcctl_SCSetServiceBitsW *r)
1027 {
1028 p->rng_fault_state = True;
1029 return WERR_NOT_SUPPORTED;
1030 }
1031
1032 WERROR _svcctl_ChangeServiceConfigW(struct pipes_struct *p,
1033 struct svcctl_ChangeServiceConfigW *r)
1034 {
1035 p->rng_fault_state = True;
1036 return WERR_NOT_SUPPORTED;
1037 }
1038
1039 WERROR _svcctl_CreateServiceW(struct pipes_struct *p,
1040 struct svcctl_CreateServiceW *r)
1041 {
1042 p->rng_fault_state = True;
1043 return WERR_NOT_SUPPORTED;
1044 }
1045
1046 WERROR _svcctl_QueryServiceLockStatusW(struct pipes_struct *p,
1047 struct svcctl_QueryServiceLockStatusW *r)
1048 {
1049 p->rng_fault_state = True;
1050 return WERR_NOT_SUPPORTED;
1051 }
1052
1053 WERROR _svcctl_GetServiceKeyNameW(struct pipes_struct *p,
1054 struct svcctl_GetServiceKeyNameW *r)
1055 {
1056 p->rng_fault_state = True;
1057 return WERR_NOT_SUPPORTED;
1058 }
1059
1060 WERROR _svcctl_SCSetServiceBitsA(struct pipes_struct *p,
1061 struct svcctl_SCSetServiceBitsA *r)
1062 {
1063 p->rng_fault_state = True;
1064 return WERR_NOT_SUPPORTED;
1065 }
1066
1067 WERROR _svcctl_ChangeServiceConfigA(struct pipes_struct *p,
1068 struct svcctl_ChangeServiceConfigA *r)
1069 {
1070 p->rng_fault_state = True;
1071 return WERR_NOT_SUPPORTED;
1072 }
1073
1074 WERROR _svcctl_CreateServiceA(struct pipes_struct *p,
1075 struct svcctl_CreateServiceA *r)
1076 {
1077 p->rng_fault_state = True;
1078 return WERR_NOT_SUPPORTED;
1079 }
1080
1081 WERROR _svcctl_EnumDependentServicesA(struct pipes_struct *p,
1082 struct svcctl_EnumDependentServicesA *r)
1083 {
1084 p->rng_fault_state = True;
1085 return WERR_NOT_SUPPORTED;
1086 }
1087
1088 WERROR _svcctl_EnumServicesStatusA(struct pipes_struct *p,
1089 struct svcctl_EnumServicesStatusA *r)
1090 {
1091 p->rng_fault_state = True;
1092 return WERR_NOT_SUPPORTED;
1093 }
1094
1095 WERROR _svcctl_OpenSCManagerA(struct pipes_struct *p,
1096 struct svcctl_OpenSCManagerA *r)
1097 {
1098 p->rng_fault_state = True;
1099 return WERR_NOT_SUPPORTED;
1100 }
1101
1102 WERROR _svcctl_OpenServiceA(struct pipes_struct *p,
1103 struct svcctl_OpenServiceA *r)
1104 {
1105 p->rng_fault_state = True;
1106 return WERR_NOT_SUPPORTED;
1107 }
1108
1109 WERROR _svcctl_QueryServiceConfigA(struct pipes_struct *p,
1110 struct svcctl_QueryServiceConfigA *r)
1111 {
1112 p->rng_fault_state = True;
1113 return WERR_NOT_SUPPORTED;
1114 }
1115
1116 WERROR _svcctl_QueryServiceLockStatusA(struct pipes_struct *p,
1117 struct svcctl_QueryServiceLockStatusA *r)
1118 {
1119 p->rng_fault_state = True;
1120 return WERR_NOT_SUPPORTED;
1121 }
1122
1123 WERROR _svcctl_StartServiceA(struct pipes_struct *p,
1124 struct svcctl_StartServiceA *r)
1125 {
1126 p->rng_fault_state = True;
1127 return WERR_NOT_SUPPORTED;
1128 }
1129
1130 WERROR _svcctl_GetServiceDisplayNameA(struct pipes_struct *p,
1131 struct svcctl_GetServiceDisplayNameA *r)
1132 {
1133 p->rng_fault_state = True;
1134 return WERR_NOT_SUPPORTED;
1135 }
1136
1137 WERROR _svcctl_GetServiceKeyNameA(struct pipes_struct *p,
1138 struct svcctl_GetServiceKeyNameA *r)
1139 {
1140 p->rng_fault_state = True;
1141 return WERR_NOT_SUPPORTED;
1142 }
1143
1144 WERROR _svcctl_GetCurrentGroupeStateW(struct pipes_struct *p,
1145 struct svcctl_GetCurrentGroupeStateW *r)
1146 {
1147 p->rng_fault_state = True;
1148 return WERR_NOT_SUPPORTED;
1149 }
1150
1151 WERROR _svcctl_EnumServiceGroupW(struct pipes_struct *p,
1152 struct svcctl_EnumServiceGroupW *r)
1153 {
1154 p->rng_fault_state = True;
1155 return WERR_NOT_SUPPORTED;
1156 }
1157
1158 WERROR _svcctl_ChangeServiceConfig2A(struct pipes_struct *p,
1159 struct svcctl_ChangeServiceConfig2A *r)
1160 {
1161 p->rng_fault_state = True;
1162 return WERR_NOT_SUPPORTED;
1163 }
1164
1165 WERROR _svcctl_ChangeServiceConfig2W(struct pipes_struct *p,
1166 struct svcctl_ChangeServiceConfig2W *r)
1167 {
1168 p->rng_fault_state = True;
1169 return WERR_NOT_SUPPORTED;
1170 }
1171
1172 WERROR _svcctl_QueryServiceConfig2A(struct pipes_struct *p,
1173 struct svcctl_QueryServiceConfig2A *r)
1174 {
1175 p->rng_fault_state = True;
1176 return WERR_NOT_SUPPORTED;
1177 }
1178
1179 WERROR _EnumServicesStatusExA(struct pipes_struct *p,
1180 struct EnumServicesStatusExA *r)
1181 {
1182 p->rng_fault_state = True;
1183 return WERR_NOT_SUPPORTED;
1184 }
1185
1186 WERROR _EnumServicesStatusExW(struct pipes_struct *p,
1187 struct EnumServicesStatusExW *r)
1188 {
1189 p->rng_fault_state = True;
1190 return WERR_NOT_SUPPORTED;
1191 }
1192
1193 WERROR _svcctl_SCSendTSMessage(struct pipes_struct *p,
1194 struct svcctl_SCSendTSMessage *r)
1195 {
1196 p->rng_fault_state = True;
1197 return WERR_NOT_SUPPORTED;
1198 }
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