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s3-svcctl: no need to define SVCCTL_NUM_INTERNAL_SERVICES twice in a file.
[Samba.git] / source3 / rpc_server / srv_svcctl_nt.c
blob6aafd5ab2cfcae7ac3a039720f432ae2209f635b
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.buf_size ) {
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
468 blob = ndr_push_blob(ndr);
469 if (blob.length >= r->in.buf_size) {
470 memcpy(r->out.service, blob.data, r->in.buf_size);
471 }
472 }
473
474 *r->out.bytes_needed = (buffer_size > r->in.buf_size) ? buffer_size : r->in.buf_size;
475 *r->out.services_returned = (uint32)num_services;
476 *r->out.resume_handle = 0x0;
477
478 return result;
479 }
480
481 /********************************************************************
482 _svcctl_StartServiceW
483 ********************************************************************/
484
485 WERROR _svcctl_StartServiceW(pipes_struct *p,
486 struct svcctl_StartServiceW *r)
487 {
488 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
489
490 /* perform access checks */
491
492 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
493 return WERR_BADFID;
494
495 if ( !(info->access_granted & SC_RIGHT_SVC_START) )
496 return WERR_ACCESS_DENIED;
497
498 return info->ops->start_service( info->name );
499 }
500
501 /********************************************************************
502 _svcctl_ControlService
503 ********************************************************************/
504
505 WERROR _svcctl_ControlService(pipes_struct *p,
506 struct svcctl_ControlService *r)
507 {
508 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
509
510 /* perform access checks */
511
512 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
513 return WERR_BADFID;
514
515 switch ( r->in.control ) {
516 case SVCCTL_CONTROL_STOP:
517 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
518 return WERR_ACCESS_DENIED;
519
520 return info->ops->stop_service( info->name,
521 r->out.service_status );
522
523 case SVCCTL_CONTROL_INTERROGATE:
524 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
525 return WERR_ACCESS_DENIED;
526
527 return info->ops->service_status( info->name,
528 r->out.service_status );
529 default:
530 return WERR_ACCESS_DENIED;
531 }
532 }
533
534 /********************************************************************
535 _svcctl_EnumDependentServicesW
536 ********************************************************************/
537
538 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
539 struct svcctl_EnumDependentServicesW *r)
540 {
541 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
542
543 /* perform access checks */
544
545 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
546 return WERR_BADFID;
547
548 if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
549 return WERR_ACCESS_DENIED;
550
551 /* we have to set the outgoing buffer size to the same as the
552 incoming buffer size (even in the case of failure */
553 /* this is done in the autogenerated server already - gd */
554
555 *r->out.bytes_needed = r->in.buf_size;
556
557 /* no dependent services...basically a stub function */
558 *r->out.services_returned = 0;
559
560 return WERR_OK;
561 }
562
563 /********************************************************************
564 _svcctl_QueryServiceStatusEx
565 ********************************************************************/
566
567 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p,
568 struct svcctl_QueryServiceStatusEx *r)
569 {
570 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
571 uint32 buffer_size;
572
573 /* perform access checks */
574
575 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
576 return WERR_BADFID;
577
578 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
579 return WERR_ACCESS_DENIED;
580
581 /* we have to set the outgoing buffer size to the same as the
582 incoming buffer size (even in the case of failure) */
583 *r->out.bytes_needed = r->in.buf_size;
584
585 switch ( r->in.info_level ) {
586 case SVC_STATUS_PROCESS_INFO:
587 {
588 struct SERVICE_STATUS_PROCESS svc_stat_proc;
589 enum ndr_err_code ndr_err;
590 DATA_BLOB blob;
591
592 /* Get the status of the service.. */
593 info->ops->service_status( info->name, &svc_stat_proc.status );
594 svc_stat_proc.process_id = sys_getpid();
595 svc_stat_proc.service_flags = 0x0;
596
597 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
598 &svc_stat_proc,
599 (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
600 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
601 return WERR_INVALID_PARAM;
602 }
603
604 r->out.buffer = blob.data;
605 buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
606 break;
607 }
608
609 default:
610 return WERR_UNKNOWN_LEVEL;
611 }
612
613
614 buffer_size += buffer_size % 4;
615 *r->out.bytes_needed = (buffer_size > r->in.buf_size) ? buffer_size : r->in.buf_size;
616
617 if (buffer_size > r->in.buf_size ) {
618 return WERR_INSUFFICIENT_BUFFER;
619 }
620
621 return WERR_OK;
622 }
623
624 /********************************************************************
625 ********************************************************************/
626
627 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
628 struct QUERY_SERVICE_CONFIG *config,
629 NT_USER_TOKEN *token )
630 {
631 REGVAL_CTR *values;
632 REGISTRY_VALUE *val;
633
634 /* retrieve the registry values for this service */
635
636 if ( !(values = svcctl_fetch_regvalues( name, token )) )
637 return WERR_REG_CORRUPT;
638
639 /* now fill in the individual values */
640
641 if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
642 config->displayname = regval_sz(val);
643 else
644 config->displayname = name;
645
646 if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
647 config->startname = regval_sz(val);
648 }
649
650 if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
651 config->executablepath = regval_sz(val);
652 }
653
654 /* a few hard coded values */
655 /* loadordergroup and dependencies are empty */
656
657 config->tag_id = 0x00000000; /* unassigned loadorder group */
658 config->service_type = SERVICE_TYPE_WIN32_OWN_PROCESS;
659 config->error_control = SVCCTL_SVC_ERROR_NORMAL;
660
661 /* set the start type. NetLogon and WINS are disabled to prevent
662 the client from showing the "Start" button (if of course the services
663 are not running */
664
665 if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
666 config->start_type = SVCCTL_DISABLED;
667 else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
668 config->start_type = SVCCTL_DISABLED;
669 else
670 config->start_type = SVCCTL_DEMAND_START;
671
672
673 TALLOC_FREE( values );
674
675 return WERR_OK;
676 }
677
678 /********************************************************************
679 _svcctl_QueryServiceConfigW
680 ********************************************************************/
681
682 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
683 struct svcctl_QueryServiceConfigW *r)
684 {
685 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
686 uint32 buffer_size;
687 WERROR wresult;
688
689 /* perform access checks */
690
691 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
692 return WERR_BADFID;
693
694 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
695 return WERR_ACCESS_DENIED;
696
697 /* we have to set the outgoing buffer size to the same as the
698 incoming buffer size (even in the case of failure */
699
700 *r->out.bytes_needed = r->in.buf_size;
701
702 wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
703 p->server_info->ptok);
704 if ( !W_ERROR_IS_OK(wresult) )
705 return wresult;
706
707 buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, NULL, 0);
708 *r->out.bytes_needed = (buffer_size > r->in.buf_size) ? buffer_size : r->in.buf_size;
709
710 if (buffer_size > r->in.buf_size ) {
711 ZERO_STRUCTP(r->out.query);
712 return WERR_INSUFFICIENT_BUFFER;
713 }
714
715 return WERR_OK;
716 }
717
718 /********************************************************************
719 _svcctl_QueryServiceConfig2W
720 ********************************************************************/
721
722 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p,
723 struct svcctl_QueryServiceConfig2W *r)
724 {
725 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
726 uint32 buffer_size;
727
728 /* perform access checks */
729
730 if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
731 return WERR_BADFID;
732
733 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
734 return WERR_ACCESS_DENIED;
735
736 /* we have to set the outgoing buffer size to the same as the
737 incoming buffer size (even in the case of failure */
738 *r->out.bytes_needed = r->in.buf_size;
739
740 switch ( r->in.info_level ) {
741 case SERVICE_CONFIG_DESCRIPTION:
742 {
743 struct SERVICE_DESCRIPTION desc_buf;
744 const char *description;
745 enum ndr_err_code ndr_err;
746 DATA_BLOB blob;
747
748 description = svcctl_lookup_description(
749 p->mem_ctx, info->name, p->server_info->ptok);
750
751 desc_buf.description = description;
752
753 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
754 &desc_buf,
755 (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
756 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
757 return WERR_INVALID_PARAM;
758 }
759
760 buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, NULL, 0);
761 r->out.buffer = blob.data;
762
763 break;
764 }
765 break;
766 case SERVICE_CONFIG_FAILURE_ACTIONS:
767 {
768 struct SERVICE_FAILURE_ACTIONS actions;
769 enum ndr_err_code ndr_err;
770 DATA_BLOB blob;
771
772 /* nothing to say...just service the request */
773
774 ZERO_STRUCT( actions );
775
776 ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
777 &actions,
778 (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
779 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
780 return WERR_INVALID_PARAM;
781 }
782
783 buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, NULL, 0);
784 r->out.buffer = blob.data;
785
786 break;
787 }
788 break;
789
790 default:
791 return WERR_UNKNOWN_LEVEL;
792 }
793
794 buffer_size += buffer_size % 4;
795 *r->out.bytes_needed = (buffer_size > r->in.buf_size) ? buffer_size : r->in.buf_size;
796
797 if (buffer_size > r->in.buf_size )
798 return WERR_INSUFFICIENT_BUFFER;
799
800 return WERR_OK;
801 }
802
803 /********************************************************************
804 _svcctl_LockServiceDatabase
805 ********************************************************************/
806
807 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
808 struct svcctl_LockServiceDatabase *r)
809 {
810 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
811
812 /* perform access checks */
813
814 if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
815 return WERR_BADFID;
816
817 if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
818 return WERR_ACCESS_DENIED;
819
820 /* Just open a handle. Doesn't actually lock anything */
821
822 return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
823 }
824
825 /********************************************************************
826 _svcctl_UnlockServiceDatabase
827 ********************************************************************/
828
829 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
830 struct svcctl_UnlockServiceDatabase *r)
831 {
832 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
833
834
835 if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
836 return WERR_BADFID;
837
838 return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
839 }
840
841 /********************************************************************
842 _svcctl_QueryServiceObjectSecurity
843 ********************************************************************/
844
845 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
846 struct svcctl_QueryServiceObjectSecurity *r)
847 {
848 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
849 SEC_DESC *sec_desc;
850 NTSTATUS status;
851 uint8_t *buffer = NULL;
852 size_t len = 0;
853
854
855 /* only support the SCM and individual services */
856
857 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
858 return WERR_BADFID;
859
860 /* check access reights (according to MSDN) */
861
862 if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
863 return WERR_ACCESS_DENIED;
864
865 /* TODO: handle something besides DACL_SECURITY_INFORMATION */
866
867 if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
868 return WERR_INVALID_PARAM;
869
870 /* lookup the security descriptor and marshall it up for a reply */
871
872 if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
873 return WERR_NOMEM;
874
875 *r->out.needed = ndr_size_security_descriptor( sec_desc, NULL, 0 );
876
877 if ( *r->out.needed > r->in.buffer_size ) {
878 ZERO_STRUCTP( &r->out.buffer );
879 return WERR_INSUFFICIENT_BUFFER;
880 }
881
882 status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
883 if (!NT_STATUS_IS_OK(status)) {
884 return ntstatus_to_werror(status);
885 }
886
887 *r->out.needed = len;
888 r->out.buffer = buffer;
889
890 return WERR_OK;
891 }
892
893 /********************************************************************
894 _svcctl_SetServiceObjectSecurity
895 ********************************************************************/
896
897 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
898 struct svcctl_SetServiceObjectSecurity *r)
899 {
900 SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
901 SEC_DESC *sec_desc = NULL;
902 uint32 required_access;
903 NTSTATUS status;
904
905 if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
906 return WERR_BADFID;
907
908 /* can't set the security de4scriptor on the ServiceControlManager */
909
910 if ( info->type == SVC_HANDLE_IS_SCM )
911 return WERR_ACCESS_DENIED;
912
913 /* check the access on the open handle */
914
915 switch ( r->in.security_flags ) {
916 case DACL_SECURITY_INFORMATION:
917 required_access = STD_RIGHT_WRITE_DAC_ACCESS;
918 break;
919
920 case OWNER_SECURITY_INFORMATION:
921 case GROUP_SECURITY_INFORMATION:
922 required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
923 break;
924
925 case SACL_SECURITY_INFORMATION:
926 return WERR_INVALID_PARAM;
927 default:
928 return WERR_INVALID_PARAM;
929 }
930
931 if ( !(info->access_granted & required_access) )
932 return WERR_ACCESS_DENIED;
933
934 /* read the security descfriptor */
935
936 status = unmarshall_sec_desc(p->mem_ctx,
937 r->in.buffer, r->in.buffer_size,
938 &sec_desc);
939 if (!NT_STATUS_IS_OK(status)) {
940 return ntstatus_to_werror(status);
941 }
942
943 /* store the new SD */
944
945 if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
946 p->server_info->ptok) )
947 return WERR_ACCESS_DENIED;
948
949 return WERR_OK;
950 }
951
952
953 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
954 {
955 p->rng_fault_state = True;
956 return WERR_NOT_SUPPORTED;
957 }
958
959 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
960 {
961 p->rng_fault_state = True;
962 return WERR_NOT_SUPPORTED;
963 }
964
965 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
966 {
967 p->rng_fault_state = True;
968 return WERR_NOT_SUPPORTED;
969 }
970
971 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
972 {
973 p->rng_fault_state = True;
974 return WERR_NOT_SUPPORTED;
975 }
976
977 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
978 {
979 p->rng_fault_state = True;
980 return WERR_NOT_SUPPORTED;
981 }
982
983 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
984 {
985 p->rng_fault_state = True;
986 return WERR_NOT_SUPPORTED;
987 }
988
989 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
990 {
991 p->rng_fault_state = True;
992 return WERR_NOT_SUPPORTED;
993 }
994
995 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
996 {
997 p->rng_fault_state = True;
998 return WERR_NOT_SUPPORTED;
999 }
1000
1001 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1002 {
1003 p->rng_fault_state = True;
1004 return WERR_NOT_SUPPORTED;
1005 }
1006
1007 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1008 {
1009 p->rng_fault_state = True;
1010 return WERR_NOT_SUPPORTED;
1011 }
1012
1013 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1014 {
1015 p->rng_fault_state = True;
1016 return WERR_NOT_SUPPORTED;
1017 }
1018
1019 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1020 {
1021 p->rng_fault_state = True;
1022 return WERR_NOT_SUPPORTED;
1023 }
1024
1025 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1026 {
1027 p->rng_fault_state = True;
1028 return WERR_NOT_SUPPORTED;
1029 }
1030
1031 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1032 {
1033 p->rng_fault_state = True;
1034 return WERR_NOT_SUPPORTED;
1035 }
1036
1037 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1038 {
1039 p->rng_fault_state = True;
1040 return WERR_NOT_SUPPORTED;
1041 }
1042
1043 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1044 {
1045 p->rng_fault_state = True;
1046 return WERR_NOT_SUPPORTED;
1047 }
1048
1049 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1050 {
1051 p->rng_fault_state = True;
1052 return WERR_NOT_SUPPORTED;
1053 }
1054
1055 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1056 {
1057 p->rng_fault_state = True;
1058 return WERR_NOT_SUPPORTED;
1059 }
1060
1061 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1062 {
1063 p->rng_fault_state = True;
1064 return WERR_NOT_SUPPORTED;
1065 }
1066
1067 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1068 {
1069 p->rng_fault_state = True;
1070 return WERR_NOT_SUPPORTED;
1071 }
1072
1073 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1074 {
1075 p->rng_fault_state = True;
1076 return WERR_NOT_SUPPORTED;
1077 }
1078
1079 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1080 {
1081 p->rng_fault_state = True;
1082 return WERR_NOT_SUPPORTED;
1083 }
1084
1085 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1086 {
1087 p->rng_fault_state = True;
1088 return WERR_NOT_SUPPORTED;
1089 }
1090
1091 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1092 {
1093 p->rng_fault_state = True;
1094 return WERR_NOT_SUPPORTED;
1095 }
1096
1097 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1098 {
1099 p->rng_fault_state = True;
1100 return WERR_NOT_SUPPORTED;
1101 }
1102
1103 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1104 {
1105 p->rng_fault_state = True;
1106 return WERR_NOT_SUPPORTED;
1107 }
1108
1109 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1110 {
1111 p->rng_fault_state = True;
1112 return WERR_NOT_SUPPORTED;
1113 }
1114
1115 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1116 {
1117 p->rng_fault_state = True;
1118 return WERR_NOT_SUPPORTED;
1119 }
1120
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