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idl: rebuild drsuapi.idl
[Samba/aatanasov.git] / source3 / rpc_server / srv_svcctl_nt.c
blobf393a9a464957c35df3bae9ffe97d10743690544
1 /*
2 * Unix SMB/CIFS implementation.
3 * RPC Pipe client / server routines
4 *
5 * Copyright (C) Marcin Krzysztof Porwit 2005.
6 *
7 * Largely Rewritten (Again) by:
8 * Copyright (C) Gerald (Jerry) Carter 2005.
9 * Copyright (C) Guenther Deschner 2008,2009.
10 *
11 * This program is free software; you can redistribute it and/or modify
12 * it under the terms of the GNU General Public License as published by
13 * the Free Software Foundation; either version 3 of the License, or
14 * (at your option) any later version.
15 *
16 * This program is distributed in the hope that it will be useful,
17 * but WITHOUT ANY WARRANTY; without even the implied warranty of
18 * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
19 * GNU General Public License for more details.
20 *
21 * You should have received a copy of the GNU General Public License
22 * along with this program; if not, see <http://www.gnu.org/licenses/>.
23 */
24
25 #include "includes.h"
26
27 #undef DBGC_CLASS
28 #define DBGC_CLASS DBGC_RPC_SRV
29
30 struct service_control_op {
31 const char *name;
32 SERVICE_CONTROL_OPS *ops;
33 };
34
35 /* handle external services */
36 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
37
38 /* builtin services (see service_db.c and services/svc_*.c */
39 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
40 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
41 extern SERVICE_CONTROL_OPS winreg_svc_ops;
42 extern SERVICE_CONTROL_OPS wins_svc_ops;
43
44 /* make sure this number patches the number of builtin
45 SERVICE_CONTROL_OPS structure listed above */
46
47 #define SVCCTL_NUM_INTERNAL_SERVICES 4
48
49 struct service_control_op *svcctl_ops;
50
51 static const struct generic_mapping scm_generic_map =
52 { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
53 static const struct generic_mapping svc_generic_map =
54 { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
55
56
57 /********************************************************************
58 ********************************************************************/
59
60 bool init_service_op_table( void )
61 {
62 const char **service_list = lp_svcctl_list();
63 int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
64 int i;
65
66 if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
67 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
68 return False;
69 }
70
71 /* services listed in smb.conf get the rc.init interface */
72
73 for ( i=0; service_list && service_list[i]; i++ ) {
74 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
75 svcctl_ops[i].ops = &rcinit_svc_ops;
76 }
77
78 /* add builtin services */
79
80 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
81 svcctl_ops[i].ops = &spoolss_svc_ops;
82 i++;
83
84 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
85 svcctl_ops[i].ops = &netlogon_svc_ops;
86 i++;
87
88 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
89 svcctl_ops[i].ops = &winreg_svc_ops;
90 i++;
91
92 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
93 svcctl_ops[i].ops = &wins_svc_ops;
94 i++;
95
96 /* NULL terminate the array */
97
98 svcctl_ops[i].name = NULL;
99 svcctl_ops[i].ops = NULL;
100
101 return True;
102 }
103
104 /********************************************************************
105 ********************************************************************/
106
107 static struct service_control_op* find_service_by_name( const char *name )
108 {
109 int i;
110
111 for ( i=0; svcctl_ops[i].name; i++ ) {
112 if ( strequal( name, svcctl_ops[i].name ) )
113 return &svcctl_ops[i];
114 }
115
116 return NULL;
117 }
118 /********************************************************************
119 ********************************************************************/
120
121 static NTSTATUS svcctl_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token,
122 uint32 access_desired, uint32 *access_granted )
123 {
124 if ( geteuid() == sec_initial_uid() ) {
125 DEBUG(5,("svcctl_access_check: using root's token\n"));
126 token = get_root_nt_token();
127 }
128
129 return se_access_check( sec_desc, token, access_desired, access_granted);
130 }
131
132 /********************************************************************
133 ********************************************************************/
134
135 static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx )
136 {
137 SEC_ACE ace[2];
138 size_t i = 0;
139 SEC_DESC *sd;
140 SEC_ACL *theacl;
141 size_t sd_size;
142
143 /* basic access for Everyone */
144
145 init_sec_ace(&ace[i++], &global_sid_World,
146 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
147
148 /* Full Access 'BUILTIN\Administrators' */
149
150 init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
151 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
152
153
154 /* create the security descriptor */
155
156 if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
157 return NULL;
158
159 if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
160 SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
161 theacl, &sd_size)) )
162 return NULL;
163
164 return sd;
165 }
166
167 /******************************************************************
168 Find a registry key handle and return a SERVICE_INFO
169 *****************************************************************/
170
171 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, struct policy_handle *hnd)
172 {
173 SERVICE_INFO *service_info = NULL;
174
175 if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
176 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
177 return NULL;
178 }
179
180 return service_info;
181 }
182
183 /******************************************************************
184 *****************************************************************/
185
186 static WERROR create_open_service_handle( pipes_struct *p, struct policy_handle *handle, uint32 type,
187 const char *service, uint32 access_granted )
188 {
189 SERVICE_INFO *info = NULL;
190 WERROR result = WERR_OK;
191 struct service_control_op *s_op;
192
193 if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
194 return WERR_NOMEM;
195
196 /* the Service Manager has a NULL name */
197
198 info->type = SVC_HANDLE_IS_SCM;
199
200 switch ( type ) {
201 case SVC_HANDLE_IS_SCM:
202 info->type = SVC_HANDLE_IS_SCM;
203 break;
204
205 case SVC_HANDLE_IS_DBLOCK:
206 info->type = SVC_HANDLE_IS_DBLOCK;
207 break;
208
209 case SVC_HANDLE_IS_SERVICE:
210 info->type = SVC_HANDLE_IS_SERVICE;
211
212 /* lookup the SERVICE_CONTROL_OPS */
213
214 if ( !(s_op = find_service_by_name( service )) ) {
215 result = WERR_NO_SUCH_SERVICE;
216 goto done;
217 }
218
219 info->ops = s_op->ops;
220
221 if ( !(info->name = talloc_strdup( info, s_op->name )) ) {
222 result = WERR_NOMEM;
223 goto done;
224 }
225 break;
226
227 default:
228 result = WERR_NO_SUCH_SERVICE;
229 goto done;
230 }
231
232 info->access_granted = access_granted;
233
234 /* store the SERVICE_INFO and create an open handle */
235
236 if ( !create_policy_hnd( p, handle, info ) ) {
237 result = WERR_ACCESS_DENIED;
238 goto done;
239 }
240
241 done:
242 if ( !W_ERROR_IS_OK(result) )
243 TALLOC_FREE(info);
244
245 return result;
246 }
247
248 /********************************************************************
249 _svcctl_OpenSCManagerW
250 ********************************************************************/
251
252 WERROR _svcctl_OpenSCManagerW(pipes_struct *p,
253 struct svcctl_OpenSCManagerW *r)
254 {
255 SEC_DESC *sec_desc;
256 uint32 access_granted = 0;
257 NTSTATUS status;
258
259 /* perform access checks */
260
261 if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
262 return WERR_NOMEM;
263
264 se_map_generic( &r->in.access_mask, &scm_generic_map );
265 status = svcctl_access_check( sec_desc, p->server_info->ptok,
266 r->in.access_mask, &access_granted );
267 if ( !NT_STATUS_IS_OK(status) )
268 return ntstatus_to_werror( status );
269
270 return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
271 }
272
273 /********************************************************************
274 _svcctl_OpenServiceW
275 ********************************************************************/
276
277 WERROR _svcctl_OpenServiceW(pipes_struct *p,
278 struct svcctl_OpenServiceW *r)
279 {
280 SEC_DESC *sec_desc;
281 uint32 access_granted = 0;
282 NTSTATUS status;
283 const char *service = NULL;
284
285 service = r->in.ServiceName;
286 if (!service) {
287 return WERR_NOMEM;
288 }
289 DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
290
291 /* based on my tests you can open a service if you have a valid scm handle */
292
293 if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
294 return WERR_BADFID;
295
296 /* perform access checks. Use the root token in order to ensure that we
297 retrieve the security descriptor */
298
299 if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
300 return WERR_NOMEM;
301
302 se_map_generic( &r->in.access_mask, &svc_generic_map );
303 status = svcctl_access_check( sec_desc, p->server_info->ptok,
304 r->in.access_mask, &access_granted );
305 if ( !NT_STATUS_IS_OK(status) )
306 return ntstatus_to_werror( status );
307
308 return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
309 }
310
311 /********************************************************************
312 _svcctl_CloseServiceHandle
313 ********************************************************************/
314
315 WERROR _svcctl_CloseServiceHandle(pipes_struct *p,
316 struct svcctl_CloseServiceHandle *r)
317 {
318 if ( !close_policy_hnd( p, r->in.handle ) )
319 return WERR_BADFID;
320
321 ZERO_STRUCTP(r->out.handle);
322
323 return WERR_OK;
324 }
325
326 /********************************************************************
327 _svcctl_GetServiceDisplayNameW
328 ********************************************************************/
329
330 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p,
331 struct svcctl_GetServiceDisplayNameW *r)
332 {
333 const char *service;
334 const char *display_name;
335 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
336
337 /* can only use an SCM handle here */
338
339 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
340 return WERR_BADFID;
341
342 service = r->in.service_name;
343
344 display_name = svcctl_lookup_dispname(p->mem_ctx, service,
345 p->server_info->ptok);
346 if (!display_name) {
347 display_name = "";
348 }
349
350 *r->out.display_name = display_name;
351 *r->out.display_name_length = strlen(display_name);
352
353 return WERR_OK;
354 }
355
356 /********************************************************************
357 _svcctl_QueryServiceStatus
358 ********************************************************************/
359
360 WERROR _svcctl_QueryServiceStatus(pipes_struct *p,
361 struct svcctl_QueryServiceStatus *r)
362 {
363 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
364
365 /* perform access checks */
366
367 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
368 return WERR_BADFID;
369
370 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
371 return WERR_ACCESS_DENIED;
372
373 /* try the service specific status call */
374
375 return info->ops->service_status( info->name, r->out.service_status );
376 }
377
378 /********************************************************************
379 ********************************************************************/
380
381 static int enumerate_status( TALLOC_CTX *ctx, struct ENUM_SERVICE_STATUSW **status, NT_USER_TOKEN *token )
382 {
383 int num_services = 0;
384 int i;
385 struct ENUM_SERVICE_STATUSW *st;
386 const char *display_name;
387
388 /* just count */
389 while ( svcctl_ops[num_services].name )
390 num_services++;
391
392 if ( !(st = TALLOC_ARRAY( ctx, struct ENUM_SERVICE_STATUSW, num_services )) ) {
393 DEBUG(0,("enumerate_status: talloc() failed!\n"));
394 return -1;
395 }
396
397 for ( i=0; i<num_services; i++ ) {
398 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
399
400 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
401 st[i].display_name = talloc_strdup(st, display_name ? display_name : "");
402
403 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
404 }
405
406 *status = st;
407
408 return num_services;
409 }
410
411 /********************************************************************
412 _svcctl_EnumServicesStatusW
413 ********************************************************************/
414
415 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p,
416 struct svcctl_EnumServicesStatusW *r)
417 {
418 struct ENUM_SERVICE_STATUSW *services = NULL;
419 int num_services;
420 int i = 0;
421 size_t buffer_size = 0;
422 WERROR result = WERR_OK;
423 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
424 NT_USER_TOKEN *token = p->server_info->ptok;
425 DATA_BLOB blob = data_blob_null;
426
427 /* perform access checks */
428
429 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
430 return WERR_BADFID;
431
432 if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
433 return WERR_ACCESS_DENIED;
434 }
435
436 num_services = enumerate_status( p->mem_ctx, &services, token );
437 if (num_services == -1 ) {
438 return WERR_NOMEM;
439 }
440
441 for ( i=0; i<num_services; i++ ) {
442 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], NULL, 0);
443 }
444
445 buffer_size += buffer_size % 4;
446
447 if (buffer_size > r->in.offered) {
448 num_services = 0;
449 result = WERR_MORE_DATA;
450 }
451
452 if ( W_ERROR_IS_OK(result) ) {
453
454 enum ndr_err_code ndr_err;
455 struct ndr_push *ndr;
456
457 ndr = ndr_push_init_ctx(p->mem_ctx, NULL);
458 if (ndr == NULL) {
459 return WERR_INVALID_PARAM;
460 }
461
462 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
463 ndr, num_services, services);
464 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
465 return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
466 }
467 blob = ndr_push_blob(ndr);
468 memcpy(r->out.service, blob.data, MIN(blob.length, r->in.offered));
469 }
470
471 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
472 *r->out.services_returned = (uint32)num_services;
473 if (r->out.resume_handle) {
474 *r->out.resume_handle = 0;
475 }
476
477 return result;
478 }
479
480 /********************************************************************
481 _svcctl_StartServiceW
482 ********************************************************************/
483
484 WERROR _svcctl_StartServiceW(pipes_struct *p,
485 struct svcctl_StartServiceW *r)
486 {
487 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
488
489 /* perform access checks */
490
491 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
492 return WERR_BADFID;
493
494 if ( !(info->access_granted & SC_RIGHT_SVC_START) )
495 return WERR_ACCESS_DENIED;
496
497 return info->ops->start_service( info->name );
498 }
499
500 /********************************************************************
501 _svcctl_ControlService
502 ********************************************************************/
503
504 WERROR _svcctl_ControlService(pipes_struct *p,
505 struct svcctl_ControlService *r)
506 {
507 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
508
509 /* perform access checks */
510
511 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
512 return WERR_BADFID;
513
514 switch ( r->in.control ) {
515 case SVCCTL_CONTROL_STOP:
516 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
517 return WERR_ACCESS_DENIED;
518
519 return info->ops->stop_service( info->name,
520 r->out.service_status );
521
522 case SVCCTL_CONTROL_INTERROGATE:
523 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
524 return WERR_ACCESS_DENIED;
525
526 return info->ops->service_status( info->name,
527 r->out.service_status );
528 default:
529 return WERR_INVALID_PARAM;
530 }
531 }
532
533 /********************************************************************
534 _svcctl_EnumDependentServicesW
535 ********************************************************************/
536
537 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
538 struct svcctl_EnumDependentServicesW *r)
539 {
540 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
541
542 /* perform access checks */
543
544 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
545 return WERR_BADFID;
546
547 if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
548 return WERR_ACCESS_DENIED;
549
550 switch (r->in.state) {
551 case SERVICE_STATE_ACTIVE:
552 case SERVICE_STATE_INACTIVE:
553 case SERVICE_STATE_ALL:
554 break;
555 default:
556 return WERR_INVALID_PARAM;
557 }
558
559 /* we have to set the outgoing buffer size to the same as the
560 incoming buffer size (even in the case of failure */
561 /* this is done in the autogenerated server already - gd */
562
563 *r->out.needed = r->in.offered;
564
565 /* no dependent services...basically a stub function */
566 *r->out.services_returned = 0;
567
568 return WERR_OK;
569 }
570
571 /********************************************************************
572 _svcctl_QueryServiceStatusEx
573 ********************************************************************/
574
575 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p,
576 struct svcctl_QueryServiceStatusEx *r)
577 {
578 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
579 uint32 buffer_size;
580
581 /* perform access checks */
582
583 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
584 return WERR_BADFID;
585
586 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
587 return WERR_ACCESS_DENIED;
588
589 /* we have to set the outgoing buffer size to the same as the
590 incoming buffer size (even in the case of failure) */
591 *r->out.needed = r->in.offered;
592
593 switch ( r->in.info_level ) {
594 case SVC_STATUS_PROCESS_INFO:
595 {
596 struct SERVICE_STATUS_PROCESS svc_stat_proc;
597 enum ndr_err_code ndr_err;
598 DATA_BLOB blob;
599
600 /* Get the status of the service.. */
601 info->ops->service_status( info->name, &svc_stat_proc.status );
602 svc_stat_proc.process_id = sys_getpid();
603 svc_stat_proc.service_flags = 0x0;
604
605 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
606 &svc_stat_proc,
607 (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
608 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
609 return WERR_INVALID_PARAM;
610 }
611
612 r->out.buffer = blob.data;
613 buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
614 break;
615 }
616
617 default:
618 return WERR_UNKNOWN_LEVEL;
619 }
620
621
622 buffer_size += buffer_size % 4;
623 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
624
625 if (buffer_size > r->in.offered ) {
626 return WERR_INSUFFICIENT_BUFFER;
627 }
628
629 return WERR_OK;
630 }
631
632 /********************************************************************
633 ********************************************************************/
634
635 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
636 struct QUERY_SERVICE_CONFIG *config,
637 NT_USER_TOKEN *token )
638 {
639 struct regval_ctr *values;
640 struct regval_blob *val;
641
642 /* retrieve the registry values for this service */
643
644 if ( !(values = svcctl_fetch_regvalues( name, token )) )
645 return WERR_REG_CORRUPT;
646
647 /* now fill in the individual values */
648
649 if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
650 config->displayname = regval_sz(val);
651 else
652 config->displayname = name;
653
654 if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
655 config->startname = regval_sz(val);
656 }
657
658 if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
659 config->executablepath = regval_sz(val);
660 }
661
662 /* a few hard coded values */
663 /* loadordergroup and dependencies are empty */
664
665 config->tag_id = 0x00000000; /* unassigned loadorder group */
666 config->service_type = SERVICE_TYPE_WIN32_OWN_PROCESS;
667 config->error_control = SVCCTL_SVC_ERROR_NORMAL;
668
669 /* set the start type. NetLogon and WINS are disabled to prevent
670 the client from showing the "Start" button (if of course the services
671 are not running */
672
673 if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
674 config->start_type = SVCCTL_DISABLED;
675 else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
676 config->start_type = SVCCTL_DISABLED;
677 else
678 config->start_type = SVCCTL_DEMAND_START;
679
680
681 TALLOC_FREE( values );
682
683 return WERR_OK;
684 }
685
686 /********************************************************************
687 _svcctl_QueryServiceConfigW
688 ********************************************************************/
689
690 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
691 struct svcctl_QueryServiceConfigW *r)
692 {
693 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
694 uint32 buffer_size;
695 WERROR wresult;
696
697 /* perform access checks */
698
699 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
700 return WERR_BADFID;
701
702 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
703 return WERR_ACCESS_DENIED;
704
705 /* we have to set the outgoing buffer size to the same as the
706 incoming buffer size (even in the case of failure */
707
708 *r->out.needed = r->in.offered;
709
710 wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
711 p->server_info->ptok);
712 if ( !W_ERROR_IS_OK(wresult) )
713 return wresult;
714
715 buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, NULL, 0);
716 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
717
718 if (buffer_size > r->in.offered ) {
719 ZERO_STRUCTP(r->out.query);
720 return WERR_INSUFFICIENT_BUFFER;
721 }
722
723 return WERR_OK;
724 }
725
726 /********************************************************************
727 _svcctl_QueryServiceConfig2W
728 ********************************************************************/
729
730 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p,
731 struct svcctl_QueryServiceConfig2W *r)
732 {
733 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
734 uint32 buffer_size;
735
736 /* perform access checks */
737
738 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
739 return WERR_BADFID;
740
741 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
742 return WERR_ACCESS_DENIED;
743
744 /* we have to set the outgoing buffer size to the same as the
745 incoming buffer size (even in the case of failure */
746 *r->out.needed = r->in.offered;
747
748 switch ( r->in.info_level ) {
749 case SERVICE_CONFIG_DESCRIPTION:
750 {
751 struct SERVICE_DESCRIPTION desc_buf;
752 const char *description;
753 enum ndr_err_code ndr_err;
754 DATA_BLOB blob;
755
756 description = svcctl_lookup_description(
757 p->mem_ctx, info->name, p->server_info->ptok);
758
759 desc_buf.description = description;
760
761 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
762 &desc_buf,
763 (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
764 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
765 return WERR_INVALID_PARAM;
766 }
767
768 buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, NULL, 0);
769 r->out.buffer = blob.data;
770
771 break;
772 }
773 break;
774 case SERVICE_CONFIG_FAILURE_ACTIONS:
775 {
776 struct SERVICE_FAILURE_ACTIONS actions;
777 enum ndr_err_code ndr_err;
778 DATA_BLOB blob;
779
780 /* nothing to say...just service the request */
781
782 ZERO_STRUCT( actions );
783
784 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
785 &actions,
786 (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
787 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
788 return WERR_INVALID_PARAM;
789 }
790
791 buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, NULL, 0);
792 r->out.buffer = blob.data;
793
794 break;
795 }
796 break;
797
798 default:
799 return WERR_UNKNOWN_LEVEL;
800 }
801
802 buffer_size += buffer_size % 4;
803 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
804
805 if (buffer_size > r->in.offered)
806 return WERR_INSUFFICIENT_BUFFER;
807
808 return WERR_OK;
809 }
810
811 /********************************************************************
812 _svcctl_LockServiceDatabase
813 ********************************************************************/
814
815 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
816 struct svcctl_LockServiceDatabase *r)
817 {
818 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
819
820 /* perform access checks */
821
822 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
823 return WERR_BADFID;
824
825 if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
826 return WERR_ACCESS_DENIED;
827
828 /* Just open a handle. Doesn't actually lock anything */
829
830 return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
831 }
832
833 /********************************************************************
834 _svcctl_UnlockServiceDatabase
835 ********************************************************************/
836
837 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
838 struct svcctl_UnlockServiceDatabase *r)
839 {
840 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
841
842
843 if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
844 return WERR_BADFID;
845
846 return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
847 }
848
849 /********************************************************************
850 _svcctl_QueryServiceObjectSecurity
851 ********************************************************************/
852
853 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
854 struct svcctl_QueryServiceObjectSecurity *r)
855 {
856 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
857 SEC_DESC *sec_desc;
858 NTSTATUS status;
859 uint8_t *buffer = NULL;
860 size_t len = 0;
861
862
863 /* only support the SCM and individual services */
864
865 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
866 return WERR_BADFID;
867
868 /* check access reights (according to MSDN) */
869
870 if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
871 return WERR_ACCESS_DENIED;
872
873 /* TODO: handle something besides DACL_SECURITY_INFORMATION */
874
875 if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
876 return WERR_INVALID_PARAM;
877
878 /* lookup the security descriptor and marshall it up for a reply */
879
880 if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
881 return WERR_NOMEM;
882
883 *r->out.needed = ndr_size_security_descriptor( sec_desc, NULL, 0 );
884
885 if ( *r->out.needed > r->in.offered) {
886 return WERR_INSUFFICIENT_BUFFER;
887 }
888
889 status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
890 if (!NT_STATUS_IS_OK(status)) {
891 return ntstatus_to_werror(status);
892 }
893
894 *r->out.needed = len;
895 r->out.buffer = buffer;
896
897 return WERR_OK;
898 }
899
900 /********************************************************************
901 _svcctl_SetServiceObjectSecurity
902 ********************************************************************/
903
904 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
905 struct svcctl_SetServiceObjectSecurity *r)
906 {
907 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
908 SEC_DESC *sec_desc = NULL;
909 uint32 required_access;
910 NTSTATUS status;
911
912 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
913 return WERR_BADFID;
914
915 /* can't set the security de4scriptor on the ServiceControlManager */
916
917 if ( info->type == SVC_HANDLE_IS_SCM )
918 return WERR_ACCESS_DENIED;
919
920 /* check the access on the open handle */
921
922 switch ( r->in.security_flags ) {
923 case DACL_SECURITY_INFORMATION:
924 required_access = STD_RIGHT_WRITE_DAC_ACCESS;
925 break;
926
927 case OWNER_SECURITY_INFORMATION:
928 case GROUP_SECURITY_INFORMATION:
929 required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
930 break;
931
932 case SACL_SECURITY_INFORMATION:
933 return WERR_INVALID_PARAM;
934 default:
935 return WERR_INVALID_PARAM;
936 }
937
938 if ( !(info->access_granted & required_access) )
939 return WERR_ACCESS_DENIED;
940
941 /* read the security descfriptor */
942
943 status = unmarshall_sec_desc(p->mem_ctx,
944 r->in.buffer,
945 r->in.offered,
946 &sec_desc);
947 if (!NT_STATUS_IS_OK(status)) {
948 return ntstatus_to_werror(status);
949 }
950
951 /* store the new SD */
952
953 if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
954 p->server_info->ptok) )
955 return WERR_ACCESS_DENIED;
956
957 return WERR_OK;
958 }
959
960
961 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
962 {
963 p->rng_fault_state = True;
964 return WERR_NOT_SUPPORTED;
965 }
966
967 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
968 {
969 p->rng_fault_state = True;
970 return WERR_NOT_SUPPORTED;
971 }
972
973 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
974 {
975 p->rng_fault_state = True;
976 return WERR_NOT_SUPPORTED;
977 }
978
979 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
980 {
981 p->rng_fault_state = True;
982 return WERR_NOT_SUPPORTED;
983 }
984
985 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
986 {
987 p->rng_fault_state = True;
988 return WERR_NOT_SUPPORTED;
989 }
990
991 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
992 {
993 p->rng_fault_state = True;
994 return WERR_NOT_SUPPORTED;
995 }
996
997 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
998 {
999 p->rng_fault_state = True;
1000 return WERR_NOT_SUPPORTED;
1001 }
1002
1003 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
1004 {
1005 p->rng_fault_state = True;
1006 return WERR_NOT_SUPPORTED;
1007 }
1008
1009 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1010 {
1011 p->rng_fault_state = True;
1012 return WERR_NOT_SUPPORTED;
1013 }
1014
1015 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1016 {
1017 p->rng_fault_state = True;
1018 return WERR_NOT_SUPPORTED;
1019 }
1020
1021 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1022 {
1023 p->rng_fault_state = True;
1024 return WERR_NOT_SUPPORTED;
1025 }
1026
1027 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1028 {
1029 p->rng_fault_state = True;
1030 return WERR_NOT_SUPPORTED;
1031 }
1032
1033 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1034 {
1035 p->rng_fault_state = True;
1036 return WERR_NOT_SUPPORTED;
1037 }
1038
1039 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1040 {
1041 p->rng_fault_state = True;
1042 return WERR_NOT_SUPPORTED;
1043 }
1044
1045 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1046 {
1047 p->rng_fault_state = True;
1048 return WERR_NOT_SUPPORTED;
1049 }
1050
1051 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1052 {
1053 p->rng_fault_state = True;
1054 return WERR_NOT_SUPPORTED;
1055 }
1056
1057 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1058 {
1059 p->rng_fault_state = True;
1060 return WERR_NOT_SUPPORTED;
1061 }
1062
1063 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1064 {
1065 p->rng_fault_state = True;
1066 return WERR_NOT_SUPPORTED;
1067 }
1068
1069 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1070 {
1071 p->rng_fault_state = True;
1072 return WERR_NOT_SUPPORTED;
1073 }
1074
1075 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1076 {
1077 p->rng_fault_state = True;
1078 return WERR_NOT_SUPPORTED;
1079 }
1080
1081 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1082 {
1083 p->rng_fault_state = True;
1084 return WERR_NOT_SUPPORTED;
1085 }
1086
1087 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1088 {
1089 p->rng_fault_state = True;
1090 return WERR_NOT_SUPPORTED;
1091 }
1092
1093 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1094 {
1095 p->rng_fault_state = True;
1096 return WERR_NOT_SUPPORTED;
1097 }
1098
1099 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1100 {
1101 p->rng_fault_state = True;
1102 return WERR_NOT_SUPPORTED;
1103 }
1104
1105 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1106 {
1107 p->rng_fault_state = True;
1108 return WERR_NOT_SUPPORTED;
1109 }
1110
1111 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1112 {
1113 p->rng_fault_state = True;
1114 return WERR_NOT_SUPPORTED;
1115 }
1116
1117 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1118 {
1119 p->rng_fault_state = True;
1120 return WERR_NOT_SUPPORTED;
1121 }
1122
1123 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1124 {
1125 p->rng_fault_state = True;
1126 return WERR_NOT_SUPPORTED;
1127 }
1128
aatanasov's samba4 branch