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s3:libsmb: let cli_read_andx_create() accept any length
[Samba/gebeck_regimport.git] / source3 / rpc_server / svcctl / srv_svcctl_nt.c
blob4623113c6e10bdf603bd7e69aef52d3b04ccfbf8
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 "system/passwd.h" /* uid_wrapper */
27 #include "ntdomain.h"
28 #include "../librpc/gen_ndr/srv_svcctl.h"
29 #include "../libcli/security/security.h"
30 #include "../librpc/gen_ndr/ndr_security.h"
31 #include "services/services.h"
32 #include "services/svc_winreg_glue.h"
33 #include "auth.h"
34 #include "rpc_server/svcctl/srv_svcctl_nt.h"
35
36 #undef DBGC_CLASS
37 #define DBGC_CLASS DBGC_RPC_SRV
38
39 struct service_control_op {
40 const char *name;
41 SERVICE_CONTROL_OPS *ops;
42 };
43
44 /* handle external services */
45 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
46
47 /* builtin services (see service_db.c and services/svc_*.c */
48 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
49 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
50 extern SERVICE_CONTROL_OPS winreg_svc_ops;
51 extern SERVICE_CONTROL_OPS wins_svc_ops;
52
53 /* make sure this number patches the number of builtin
54 SERVICE_CONTROL_OPS structure listed above */
55
56 #define SVCCTL_NUM_INTERNAL_SERVICES 4
57
58 struct service_control_op *svcctl_ops;
59
60 static const struct generic_mapping scm_generic_map =
61 { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
62 static const struct generic_mapping svc_generic_map =
63 { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
64
65
66 /********************************************************************
67 ********************************************************************/
68
69 bool init_service_op_table( void )
70 {
71 const char **service_list = lp_svcctl_list();
72 int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
73 int i;
74
75 if ( !(svcctl_ops = talloc_array( NULL, struct service_control_op, num_services+1)) ) {
76 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
77 return False;
78 }
79
80 /* services listed in smb.conf get the rc.init interface */
81
82 for ( i=0; service_list && service_list[i]; i++ ) {
83 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
84 svcctl_ops[i].ops = &rcinit_svc_ops;
85 }
86
87 /* add builtin services */
88
89 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
90 svcctl_ops[i].ops = &spoolss_svc_ops;
91 i++;
92
93 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
94 svcctl_ops[i].ops = &netlogon_svc_ops;
95 i++;
96
97 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
98 svcctl_ops[i].ops = &winreg_svc_ops;
99 i++;
100
101 svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
102 svcctl_ops[i].ops = &wins_svc_ops;
103 i++;
104
105 /* NULL terminate the array */
106
107 svcctl_ops[i].name = NULL;
108 svcctl_ops[i].ops = NULL;
109
110 return True;
111 }
112
113 bool shutdown_service_op_table(void)
114 {
115 TALLOC_FREE(svcctl_ops);
116
117 return true;
118 }
119
120 /********************************************************************
121 ********************************************************************/
122
123 static struct service_control_op* find_service_by_name( const char *name )
124 {
125 int i;
126
127 for ( i=0; svcctl_ops[i].name; i++ ) {
128 if ( strequal( name, svcctl_ops[i].name ) )
129 return &svcctl_ops[i];
130 }
131
132 return NULL;
133 }
134 /********************************************************************
135 ********************************************************************/
136
137 static NTSTATUS svcctl_access_check( struct security_descriptor *sec_desc, struct security_token *token,
138 uint32 access_desired, uint32 *access_granted )
139 {
140 if ( geteuid() == sec_initial_uid() ) {
141 DEBUG(5,("svcctl_access_check: using root's token\n"));
142 token = get_root_nt_token();
143 }
144
145 return se_access_check( sec_desc, token, access_desired, access_granted);
146 }
147
148 /********************************************************************
149 ********************************************************************/
150
151 static struct security_descriptor* construct_scm_sd( TALLOC_CTX *ctx )
152 {
153 struct security_ace ace[2];
154 size_t i = 0;
155 struct security_descriptor *sd;
156 struct security_acl *theacl;
157 size_t sd_size;
158
159 /* basic access for Everyone */
160
161 init_sec_ace(&ace[i++], &global_sid_World,
162 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
163
164 /* Full Access 'BUILTIN\Administrators' */
165
166 init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
167 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
168
169
170 /* create the security descriptor */
171
172 if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
173 return NULL;
174
175 if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
176 SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
177 theacl, &sd_size)) )
178 return NULL;
179
180 return sd;
181 }
182
183 /******************************************************************
184 Find a registry key handle and return a SERVICE_INFO
185 *****************************************************************/
186
187 static SERVICE_INFO *find_service_info_by_hnd(struct pipes_struct *p,
188 struct policy_handle *hnd)
189 {
190 SERVICE_INFO *service_info = NULL;
191
192 if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
193 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
194 return NULL;
195 }
196
197 return service_info;
198 }
199
200 /******************************************************************
201 *****************************************************************/
202
203 static WERROR create_open_service_handle(struct pipes_struct *p,
204 struct policy_handle *handle,
205 uint32_t type,
206 const char *service,
207 uint32_t access_granted)
208 {
209 SERVICE_INFO *info = NULL;
210 WERROR result = WERR_OK;
211 struct service_control_op *s_op;
212
213 if ( !(info = talloc_zero( NULL, SERVICE_INFO )) )
214 return WERR_NOMEM;
215
216 /* the Service Manager has a NULL name */
217
218 info->type = SVC_HANDLE_IS_SCM;
219
220 switch ( type ) {
221 case SVC_HANDLE_IS_SCM:
222 info->type = SVC_HANDLE_IS_SCM;
223 break;
224
225 case SVC_HANDLE_IS_DBLOCK:
226 info->type = SVC_HANDLE_IS_DBLOCK;
227 break;
228
229 case SVC_HANDLE_IS_SERVICE:
230 info->type = SVC_HANDLE_IS_SERVICE;
231
232 /* lookup the SERVICE_CONTROL_OPS */
233
234 if ( !(s_op = find_service_by_name( service )) ) {
235 result = WERR_NO_SUCH_SERVICE;
236 goto done;
237 }
238
239 info->ops = s_op->ops;
240
241 if ( !(info->name = talloc_strdup( info, s_op->name )) ) {
242 result = WERR_NOMEM;
243 goto done;
244 }
245 break;
246
247 default:
248 result = WERR_NO_SUCH_SERVICE;
249 goto done;
250 }
251
252 info->access_granted = access_granted;
253
254 /* store the SERVICE_INFO and create an open handle */
255
256 if ( !create_policy_hnd( p, handle, info ) ) {
257 result = WERR_ACCESS_DENIED;
258 goto done;
259 }
260
261 done:
262 if ( !W_ERROR_IS_OK(result) )
263 TALLOC_FREE(info);
264
265 return result;
266 }
267
268 /********************************************************************
269 _svcctl_OpenSCManagerW
270 ********************************************************************/
271
272 WERROR _svcctl_OpenSCManagerW(struct pipes_struct *p,
273 struct svcctl_OpenSCManagerW *r)
274 {
275 struct security_descriptor *sec_desc;
276 uint32 access_granted = 0;
277 NTSTATUS status;
278
279 /* perform access checks */
280
281 if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
282 return WERR_NOMEM;
283
284 se_map_generic( &r->in.access_mask, &scm_generic_map );
285 status = svcctl_access_check( sec_desc, p->session_info->security_token,
286 r->in.access_mask, &access_granted );
287 if ( !NT_STATUS_IS_OK(status) )
288 return ntstatus_to_werror( status );
289
290 return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
291 }
292
293 /********************************************************************
294 _svcctl_OpenServiceW
295 ********************************************************************/
296
297 WERROR _svcctl_OpenServiceW(struct pipes_struct *p,
298 struct svcctl_OpenServiceW *r)
299 {
300 struct security_descriptor *sec_desc;
301 uint32 access_granted = 0;
302 NTSTATUS status;
303 const char *service = NULL;
304
305 service = r->in.ServiceName;
306 if (!service) {
307 return WERR_NOMEM;
308 }
309 DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
310
311 /* based on my tests you can open a service if you have a valid scm handle */
312
313 if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
314 return WERR_BADFID;
315
316 /*
317 * Perform access checks. Use the system session_info in order to ensure
318 * that we retrieve the security descriptor
319 */
320 sec_desc = svcctl_get_secdesc(p->mem_ctx,
321 p->msg_ctx,
322 get_session_info_system(),
323 service);
324 if (sec_desc == NULL) {
325 DEBUG(0, ("_svcctl_OpenServiceW: Failed to get a valid security "
326 "descriptor"));
327 return WERR_NOMEM;
328 }
329
330 se_map_generic( &r->in.access_mask, &svc_generic_map );
331 status = svcctl_access_check( sec_desc, p->session_info->security_token,
332 r->in.access_mask, &access_granted );
333 if ( !NT_STATUS_IS_OK(status) )
334 return ntstatus_to_werror( status );
335
336 return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
337 }
338
339 /********************************************************************
340 _svcctl_CloseServiceHandle
341 ********************************************************************/
342
343 WERROR _svcctl_CloseServiceHandle(struct pipes_struct *p,
344 struct svcctl_CloseServiceHandle *r)
345 {
346 if ( !close_policy_hnd( p, r->in.handle ) )
347 return WERR_BADFID;
348
349 ZERO_STRUCTP(r->out.handle);
350
351 return WERR_OK;
352 }
353
354 /********************************************************************
355 _svcctl_GetServiceDisplayNameW
356 ********************************************************************/
357
358 WERROR _svcctl_GetServiceDisplayNameW(struct pipes_struct *p,
359 struct svcctl_GetServiceDisplayNameW *r)
360 {
361 const char *service;
362 const char *display_name;
363 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
364
365 /* can only use an SCM handle here */
366
367 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
368 return WERR_BADFID;
369
370 service = r->in.service_name;
371
372 display_name = svcctl_lookup_dispname(p->mem_ctx,
373 p->msg_ctx,
374 p->session_info,
375 service);
376 if (!display_name) {
377 display_name = "";
378 }
379
380 *r->out.display_name = display_name;
381 *r->out.display_name_length = strlen(display_name);
382
383 return WERR_OK;
384 }
385
386 /********************************************************************
387 _svcctl_QueryServiceStatus
388 ********************************************************************/
389
390 WERROR _svcctl_QueryServiceStatus(struct pipes_struct *p,
391 struct svcctl_QueryServiceStatus *r)
392 {
393 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
394
395 /* perform access checks */
396
397 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
398 return WERR_BADFID;
399
400 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
401 return WERR_ACCESS_DENIED;
402
403 /* try the service specific status call */
404
405 return info->ops->service_status( info->name, r->out.service_status );
406 }
407
408 /********************************************************************
409 ********************************************************************/
410
411 static int enumerate_status(TALLOC_CTX *ctx,
412 struct messaging_context *msg_ctx,
413 struct auth_session_info *session_info,
414 struct ENUM_SERVICE_STATUSW **status)
415 {
416 int num_services = 0;
417 int i;
418 struct ENUM_SERVICE_STATUSW *st;
419 const char *display_name;
420
421 /* just count */
422 while ( svcctl_ops[num_services].name )
423 num_services++;
424
425 if ( !(st = talloc_array( ctx, struct ENUM_SERVICE_STATUSW, num_services )) ) {
426 DEBUG(0,("enumerate_status: talloc() failed!\n"));
427 return -1;
428 }
429
430 for ( i=0; i<num_services; i++ ) {
431 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
432
433 display_name = svcctl_lookup_dispname(ctx,
434 msg_ctx,
435 session_info,
436 svcctl_ops[i].name);
437 st[i].display_name = talloc_strdup(st, display_name ? display_name : "");
438
439 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
440 }
441
442 *status = st;
443
444 return num_services;
445 }
446
447 /********************************************************************
448 _svcctl_EnumServicesStatusW
449 ********************************************************************/
450
451 WERROR _svcctl_EnumServicesStatusW(struct pipes_struct *p,
452 struct svcctl_EnumServicesStatusW *r)
453 {
454 struct ENUM_SERVICE_STATUSW *services = NULL;
455 int num_services;
456 int i = 0;
457 size_t buffer_size = 0;
458 WERROR result = WERR_OK;
459 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
460 DATA_BLOB blob = data_blob_null;
461
462 /* perform access checks */
463
464 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
465 return WERR_BADFID;
466
467 if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
468 return WERR_ACCESS_DENIED;
469 }
470
471 num_services = enumerate_status(p->mem_ctx,
472 p->msg_ctx,
473 p->session_info,
474 &services);
475 if (num_services == -1 ) {
476 return WERR_NOMEM;
477 }
478
479 for ( i=0; i<num_services; i++ ) {
480 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], 0);
481 }
482
483 buffer_size += buffer_size % 4;
484
485 if (buffer_size > r->in.offered) {
486 num_services = 0;
487 result = WERR_MORE_DATA;
488 }
489
490 if ( W_ERROR_IS_OK(result) ) {
491
492 enum ndr_err_code ndr_err;
493 struct ndr_push *ndr;
494
495 ndr = ndr_push_init_ctx(p->mem_ctx);
496 if (ndr == NULL) {
497 return WERR_INVALID_PARAM;
498 }
499
500 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
501 ndr, num_services, services);
502 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
503 return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
504 }
505 blob = ndr_push_blob(ndr);
506 memcpy(r->out.service, blob.data, MIN(blob.length, r->in.offered));
507 }
508
509 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
510 *r->out.services_returned = (uint32)num_services;
511 if (r->out.resume_handle) {
512 *r->out.resume_handle = 0;
513 }
514
515 return result;
516 }
517
518 /********************************************************************
519 _svcctl_StartServiceW
520 ********************************************************************/
521
522 WERROR _svcctl_StartServiceW(struct pipes_struct *p,
523 struct svcctl_StartServiceW *r)
524 {
525 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
526
527 /* perform access checks */
528
529 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
530 return WERR_BADFID;
531
532 if ( !(info->access_granted & SC_RIGHT_SVC_START) )
533 return WERR_ACCESS_DENIED;
534
535 return info->ops->start_service( info->name );
536 }
537
538 /********************************************************************
539 _svcctl_ControlService
540 ********************************************************************/
541
542 WERROR _svcctl_ControlService(struct pipes_struct *p,
543 struct svcctl_ControlService *r)
544 {
545 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
546
547 /* perform access checks */
548
549 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
550 return WERR_BADFID;
551
552 switch ( r->in.control ) {
553 case SVCCTL_CONTROL_STOP:
554 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
555 return WERR_ACCESS_DENIED;
556
557 return info->ops->stop_service( info->name,
558 r->out.service_status );
559
560 case SVCCTL_CONTROL_INTERROGATE:
561 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
562 return WERR_ACCESS_DENIED;
563
564 return info->ops->service_status( info->name,
565 r->out.service_status );
566 default:
567 return WERR_INVALID_PARAM;
568 }
569 }
570
571 /********************************************************************
572 _svcctl_EnumDependentServicesW
573 ********************************************************************/
574
575 WERROR _svcctl_EnumDependentServicesW(struct pipes_struct *p,
576 struct svcctl_EnumDependentServicesW *r)
577 {
578 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
579
580 /* perform access checks */
581
582 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
583 return WERR_BADFID;
584
585 if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
586 return WERR_ACCESS_DENIED;
587
588 switch (r->in.state) {
589 case SERVICE_STATE_ACTIVE:
590 case SERVICE_STATE_INACTIVE:
591 case SERVICE_STATE_ALL:
592 break;
593 default:
594 return WERR_INVALID_PARAM;
595 }
596
597 /* we have to set the outgoing buffer size to the same as the
598 incoming buffer size (even in the case of failure */
599 /* this is done in the autogenerated server already - gd */
600
601 *r->out.needed = r->in.offered;
602
603 /* no dependent services...basically a stub function */
604 *r->out.services_returned = 0;
605
606 return WERR_OK;
607 }
608
609 /********************************************************************
610 _svcctl_QueryServiceStatusEx
611 ********************************************************************/
612
613 WERROR _svcctl_QueryServiceStatusEx(struct pipes_struct *p,
614 struct svcctl_QueryServiceStatusEx *r)
615 {
616 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
617 uint32 buffer_size;
618
619 /* perform access checks */
620
621 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
622 return WERR_BADFID;
623
624 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
625 return WERR_ACCESS_DENIED;
626
627 /* we have to set the outgoing buffer size to the same as the
628 incoming buffer size (even in the case of failure) */
629 *r->out.needed = r->in.offered;
630
631 switch ( r->in.info_level ) {
632 case SVC_STATUS_PROCESS_INFO:
633 {
634 struct SERVICE_STATUS_PROCESS svc_stat_proc;
635 enum ndr_err_code ndr_err;
636 DATA_BLOB blob;
637
638 /* Get the status of the service.. */
639 info->ops->service_status( info->name, &svc_stat_proc.status );
640 svc_stat_proc.process_id = getpid();
641 svc_stat_proc.service_flags = 0x0;
642
643 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &svc_stat_proc,
644 (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
645 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
646 return WERR_INVALID_PARAM;
647 }
648
649 r->out.buffer = blob.data;
650 buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
651 break;
652 }
653
654 default:
655 return WERR_UNKNOWN_LEVEL;
656 }
657
658
659 buffer_size += buffer_size % 4;
660 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
661
662 if (buffer_size > r->in.offered ) {
663 return WERR_INSUFFICIENT_BUFFER;
664 }
665
666 return WERR_OK;
667 }
668
669 /********************************************************************
670 ********************************************************************/
671
672 static WERROR fill_svc_config(TALLOC_CTX *mem_ctx,
673 struct messaging_context *msg_ctx,
674 struct auth_session_info *session_info,
675 const char *name,
676 struct QUERY_SERVICE_CONFIG *config)
677 {
678 const char *result = NULL;
679
680 /* now fill in the individual values */
681
682 ZERO_STRUCTP(config);
683
684 config->displayname = svcctl_lookup_dispname(mem_ctx,
685 msg_ctx,
686 session_info,
687 name);
688
689 result = svcctl_get_string_value(mem_ctx,
690 msg_ctx,
691 session_info,
692 name,
693 "ObjectName");
694 if (result != NULL) {
695 config->startname = result;
696 }
697
698 result = svcctl_get_string_value(mem_ctx,
699 msg_ctx,
700 session_info,
701 name,
702 "ImagePath");
703 if (result != NULL) {
704 config->executablepath = result;
705 }
706
707 /* a few hard coded values */
708 /* loadordergroup and dependencies are empty */
709
710 config->tag_id = 0x00000000; /* unassigned loadorder group */
711 config->service_type = SERVICE_TYPE_WIN32_OWN_PROCESS;
712 config->error_control = SVCCTL_SVC_ERROR_NORMAL;
713
714 /* set the start type. NetLogon and WINS are disabled to prevent
715 the client from showing the "Start" button (if of course the services
716 are not running */
717
718 if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
719 config->start_type = SVCCTL_DISABLED;
720 else if ( strequal( name, "WINS" ) && ( !lp_we_are_a_wins_server() ))
721 config->start_type = SVCCTL_DISABLED;
722 else
723 config->start_type = SVCCTL_DEMAND_START;
724
725 return WERR_OK;
726 }
727
728 /********************************************************************
729 _svcctl_QueryServiceConfigW
730 ********************************************************************/
731
732 WERROR _svcctl_QueryServiceConfigW(struct pipes_struct *p,
733 struct svcctl_QueryServiceConfigW *r)
734 {
735 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
736 uint32 buffer_size;
737 WERROR wresult;
738
739 /* perform access checks */
740
741 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
742 return WERR_BADFID;
743
744 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
745 return WERR_ACCESS_DENIED;
746
747 /* we have to set the outgoing buffer size to the same as the
748 incoming buffer size (even in the case of failure */
749
750 *r->out.needed = r->in.offered;
751
752 wresult = fill_svc_config(p->mem_ctx,
753 p->msg_ctx,
754 p->session_info,
755 info->name,
756 r->out.query);
757 if ( !W_ERROR_IS_OK(wresult) )
758 return wresult;
759
760 buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, 0);
761 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
762
763 if (buffer_size > r->in.offered ) {
764 ZERO_STRUCTP(r->out.query);
765 return WERR_INSUFFICIENT_BUFFER;
766 }
767
768 return WERR_OK;
769 }
770
771 /********************************************************************
772 _svcctl_QueryServiceConfig2W
773 ********************************************************************/
774
775 WERROR _svcctl_QueryServiceConfig2W(struct pipes_struct *p,
776 struct svcctl_QueryServiceConfig2W *r)
777 {
778 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
779 uint32_t buffer_size;
780 DATA_BLOB blob = data_blob_null;
781
782 /* perform access checks */
783
784 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
785 return WERR_BADFID;
786
787 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
788 return WERR_ACCESS_DENIED;
789
790 /* we have to set the outgoing buffer size to the same as the
791 incoming buffer size (even in the case of failure */
792 *r->out.needed = r->in.offered;
793
794 switch ( r->in.info_level ) {
795 case SERVICE_CONFIG_DESCRIPTION:
796 {
797 struct SERVICE_DESCRIPTION desc_buf;
798 const char *description;
799 enum ndr_err_code ndr_err;
800
801 description = svcctl_lookup_description(p->mem_ctx,
802 p->msg_ctx,
803 p->session_info,
804 info->name);
805
806 desc_buf.description = description;
807
808 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &desc_buf,
809 (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
810 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
811 return WERR_INVALID_PARAM;
812 }
813
814 break;
815 }
816 break;
817 case SERVICE_CONFIG_FAILURE_ACTIONS:
818 {
819 struct SERVICE_FAILURE_ACTIONS actions;
820 enum ndr_err_code ndr_err;
821
822 /* nothing to say...just service the request */
823
824 ZERO_STRUCT( actions );
825
826 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &actions,
827 (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
828 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
829 return WERR_INVALID_PARAM;
830 }
831
832 break;
833 }
834 break;
835
836 default:
837 return WERR_UNKNOWN_LEVEL;
838 }
839
840 buffer_size = blob.length;
841 buffer_size += buffer_size % 4;
842 *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
843
844 if (buffer_size > r->in.offered)
845 return WERR_INSUFFICIENT_BUFFER;
846
847 memcpy(r->out.buffer, blob.data, blob.length);
848
849 return WERR_OK;
850 }
851
852 /********************************************************************
853 _svcctl_LockServiceDatabase
854 ********************************************************************/
855
856 WERROR _svcctl_LockServiceDatabase(struct pipes_struct *p,
857 struct svcctl_LockServiceDatabase *r)
858 {
859 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
860
861 /* perform access checks */
862
863 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
864 return WERR_BADFID;
865
866 if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
867 return WERR_ACCESS_DENIED;
868
869 /* Just open a handle. Doesn't actually lock anything */
870
871 return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
872 }
873
874 /********************************************************************
875 _svcctl_UnlockServiceDatabase
876 ********************************************************************/
877
878 WERROR _svcctl_UnlockServiceDatabase(struct pipes_struct *p,
879 struct svcctl_UnlockServiceDatabase *r)
880 {
881 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
882
883
884 if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
885 return WERR_BADFID;
886
887 return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
888 }
889
890 /********************************************************************
891 _svcctl_QueryServiceObjectSecurity
892 ********************************************************************/
893
894 WERROR _svcctl_QueryServiceObjectSecurity(struct pipes_struct *p,
895 struct svcctl_QueryServiceObjectSecurity *r)
896 {
897 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
898 struct security_descriptor *sec_desc;
899 NTSTATUS status;
900 uint8_t *buffer = NULL;
901 size_t len = 0;
902
903
904 /* only support the SCM and individual services */
905
906 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
907 return WERR_BADFID;
908
909 /* check access reights (according to MSDN) */
910
911 if ( !(info->access_granted & SEC_STD_READ_CONTROL) )
912 return WERR_ACCESS_DENIED;
913
914 /* TODO: handle something besides SECINFO_DACL */
915
916 if ( (r->in.security_flags & SECINFO_DACL) != SECINFO_DACL )
917 return WERR_INVALID_PARAM;
918
919 /* Lookup the security descriptor and marshall it up for a reply */
920 sec_desc = svcctl_get_secdesc(p->mem_ctx,
921 p->msg_ctx,
922 get_session_info_system(),
923 info->name);
924 if (sec_desc == NULL) {
925 return WERR_NOMEM;
926 }
927
928 *r->out.needed = ndr_size_security_descriptor(sec_desc, 0);
929
930 if ( *r->out.needed > r->in.offered) {
931 return WERR_INSUFFICIENT_BUFFER;
932 }
933
934 status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
935 if (!NT_STATUS_IS_OK(status)) {
936 return ntstatus_to_werror(status);
937 }
938
939 *r->out.needed = len;
940 memcpy(r->out.buffer, buffer, len);
941
942 return WERR_OK;
943 }
944
945 /********************************************************************
946 _svcctl_SetServiceObjectSecurity
947 ********************************************************************/
948
949 WERROR _svcctl_SetServiceObjectSecurity(struct pipes_struct *p,
950 struct svcctl_SetServiceObjectSecurity *r)
951 {
952 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
953 struct security_descriptor *sec_desc = NULL;
954 uint32 required_access;
955 NTSTATUS status;
956
957 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
958 return WERR_BADFID;
959
960 /* can't set the security de4scriptor on the ServiceControlManager */
961
962 if ( info->type == SVC_HANDLE_IS_SCM )
963 return WERR_ACCESS_DENIED;
964
965 /* check the access on the open handle */
966
967 switch ( r->in.security_flags ) {
968 case SECINFO_DACL:
969 required_access = SEC_STD_WRITE_DAC;
970 break;
971
972 case SECINFO_OWNER:
973 case SECINFO_GROUP:
974 required_access = SEC_STD_WRITE_OWNER;
975 break;
976
977 case SECINFO_SACL:
978 return WERR_INVALID_PARAM;
979 default:
980 return WERR_INVALID_PARAM;
981 }
982
983 if ( !(info->access_granted & required_access) )
984 return WERR_ACCESS_DENIED;
985
986 /* read the security descfriptor */
987
988 status = unmarshall_sec_desc(p->mem_ctx,
989 r->in.buffer,
990 r->in.offered,
991 &sec_desc);
992 if (!NT_STATUS_IS_OK(status)) {
993 return ntstatus_to_werror(status);
994 }
995
996 /* store the new SD */
997
998 if (!svcctl_set_secdesc(p->msg_ctx, p->session_info, info->name, sec_desc))
999 return WERR_ACCESS_DENIED;
1000
1001 return WERR_OK;
1002 }
1003
1004
1005 WERROR _svcctl_DeleteService(struct pipes_struct *p,
1006 struct svcctl_DeleteService *r)
1007 {
1008 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1009 return WERR_NOT_SUPPORTED;
1010 }
1011
1012 WERROR _svcctl_SetServiceStatus(struct pipes_struct *p,
1013 struct svcctl_SetServiceStatus *r)
1014 {
1015 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1016 return WERR_NOT_SUPPORTED;
1017 }
1018
1019 WERROR _svcctl_NotifyBootConfigStatus(struct pipes_struct *p,
1020 struct svcctl_NotifyBootConfigStatus *r)
1021 {
1022 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1023 return WERR_NOT_SUPPORTED;
1024 }
1025
1026 WERROR _svcctl_SCSetServiceBitsW(struct pipes_struct *p,
1027 struct svcctl_SCSetServiceBitsW *r)
1028 {
1029 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1030 return WERR_NOT_SUPPORTED;
1031 }
1032
1033 WERROR _svcctl_ChangeServiceConfigW(struct pipes_struct *p,
1034 struct svcctl_ChangeServiceConfigW *r)
1035 {
1036 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1037 return WERR_NOT_SUPPORTED;
1038 }
1039
1040 WERROR _svcctl_CreateServiceW(struct pipes_struct *p,
1041 struct svcctl_CreateServiceW *r)
1042 {
1043 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1044 return WERR_NOT_SUPPORTED;
1045 }
1046
1047 WERROR _svcctl_QueryServiceLockStatusW(struct pipes_struct *p,
1048 struct svcctl_QueryServiceLockStatusW *r)
1049 {
1050 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1051 return WERR_NOT_SUPPORTED;
1052 }
1053
1054 WERROR _svcctl_GetServiceKeyNameW(struct pipes_struct *p,
1055 struct svcctl_GetServiceKeyNameW *r)
1056 {
1057 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1058 return WERR_NOT_SUPPORTED;
1059 }
1060
1061 WERROR _svcctl_SCSetServiceBitsA(struct pipes_struct *p,
1062 struct svcctl_SCSetServiceBitsA *r)
1063 {
1064 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1065 return WERR_NOT_SUPPORTED;
1066 }
1067
1068 WERROR _svcctl_ChangeServiceConfigA(struct pipes_struct *p,
1069 struct svcctl_ChangeServiceConfigA *r)
1070 {
1071 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1072 return WERR_NOT_SUPPORTED;
1073 }
1074
1075 WERROR _svcctl_CreateServiceA(struct pipes_struct *p,
1076 struct svcctl_CreateServiceA *r)
1077 {
1078 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1079 return WERR_NOT_SUPPORTED;
1080 }
1081
1082 WERROR _svcctl_EnumDependentServicesA(struct pipes_struct *p,
1083 struct svcctl_EnumDependentServicesA *r)
1084 {
1085 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1086 return WERR_NOT_SUPPORTED;
1087 }
1088
1089 WERROR _svcctl_EnumServicesStatusA(struct pipes_struct *p,
1090 struct svcctl_EnumServicesStatusA *r)
1091 {
1092 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1093 return WERR_NOT_SUPPORTED;
1094 }
1095
1096 WERROR _svcctl_OpenSCManagerA(struct pipes_struct *p,
1097 struct svcctl_OpenSCManagerA *r)
1098 {
1099 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1100 return WERR_NOT_SUPPORTED;
1101 }
1102
1103 WERROR _svcctl_OpenServiceA(struct pipes_struct *p,
1104 struct svcctl_OpenServiceA *r)
1105 {
1106 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1107 return WERR_NOT_SUPPORTED;
1108 }
1109
1110 WERROR _svcctl_QueryServiceConfigA(struct pipes_struct *p,
1111 struct svcctl_QueryServiceConfigA *r)
1112 {
1113 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1114 return WERR_NOT_SUPPORTED;
1115 }
1116
1117 WERROR _svcctl_QueryServiceLockStatusA(struct pipes_struct *p,
1118 struct svcctl_QueryServiceLockStatusA *r)
1119 {
1120 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1121 return WERR_NOT_SUPPORTED;
1122 }
1123
1124 WERROR _svcctl_StartServiceA(struct pipes_struct *p,
1125 struct svcctl_StartServiceA *r)
1126 {
1127 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1128 return WERR_NOT_SUPPORTED;
1129 }
1130
1131 WERROR _svcctl_GetServiceDisplayNameA(struct pipes_struct *p,
1132 struct svcctl_GetServiceDisplayNameA *r)
1133 {
1134 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1135 return WERR_NOT_SUPPORTED;
1136 }
1137
1138 WERROR _svcctl_GetServiceKeyNameA(struct pipes_struct *p,
1139 struct svcctl_GetServiceKeyNameA *r)
1140 {
1141 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1142 return WERR_NOT_SUPPORTED;
1143 }
1144
1145 WERROR _svcctl_GetCurrentGroupeStateW(struct pipes_struct *p,
1146 struct svcctl_GetCurrentGroupeStateW *r)
1147 {
1148 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1149 return WERR_NOT_SUPPORTED;
1150 }
1151
1152 WERROR _svcctl_EnumServiceGroupW(struct pipes_struct *p,
1153 struct svcctl_EnumServiceGroupW *r)
1154 {
1155 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1156 return WERR_NOT_SUPPORTED;
1157 }
1158
1159 WERROR _svcctl_ChangeServiceConfig2A(struct pipes_struct *p,
1160 struct svcctl_ChangeServiceConfig2A *r)
1161 {
1162 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1163 return WERR_NOT_SUPPORTED;
1164 }
1165
1166 WERROR _svcctl_ChangeServiceConfig2W(struct pipes_struct *p,
1167 struct svcctl_ChangeServiceConfig2W *r)
1168 {
1169 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1170 return WERR_NOT_SUPPORTED;
1171 }
1172
1173 WERROR _svcctl_QueryServiceConfig2A(struct pipes_struct *p,
1174 struct svcctl_QueryServiceConfig2A *r)
1175 {
1176 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1177 return WERR_NOT_SUPPORTED;
1178 }
1179
1180 WERROR _EnumServicesStatusExA(struct pipes_struct *p,
1181 struct EnumServicesStatusExA *r)
1182 {
1183 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1184 return WERR_NOT_SUPPORTED;
1185 }
1186
1187 WERROR _EnumServicesStatusExW(struct pipes_struct *p,
1188 struct EnumServicesStatusExW *r)
1189 {
1190 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1191 return WERR_NOT_SUPPORTED;
1192 }
1193
1194 WERROR _svcctl_SCSendTSMessage(struct pipes_struct *p,
1195 struct svcctl_SCSendTSMessage *r)
1196 {
1197 p->fault_state = DCERPC_FAULT_OP_RNG_ERROR;
1198 return WERR_NOT_SUPPORTED;
1199 }
reg import