source3/rpc_server/srv_svcctl_nt.c

   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         *r->out.resume_handle           = 0x0;
 474
 475         return result;
 476 }
 477
 478 /********************************************************************
 479  _svcctl_StartServiceW
 480 ********************************************************************/
 481
 482 WERROR _svcctl_StartServiceW(pipes_struct *p,
 483                              struct svcctl_StartServiceW *r)
 484 {
 485         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 486
 487         /* perform access checks */
 488
 489         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 490                 return WERR_BADFID;
 491
 492         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 493                 return WERR_ACCESS_DENIED;
 494
 495         return info->ops->start_service( info->name );
 496 }
 497
 498 /********************************************************************
 499  _svcctl_ControlService
 500 ********************************************************************/
 501
 502 WERROR _svcctl_ControlService(pipes_struct *p,
 503                               struct svcctl_ControlService *r)
 504 {
 505         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 506
 507         /* perform access checks */
 508
 509         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 510                 return WERR_BADFID;
 511
 512         switch ( r->in.control ) {
 513         case SVCCTL_CONTROL_STOP:
 514                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 515                         return WERR_ACCESS_DENIED;
 516
 517                 return info->ops->stop_service( info->name,
 518                                                 r->out.service_status );
 519
 520         case SVCCTL_CONTROL_INTERROGATE:
 521                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 522                         return WERR_ACCESS_DENIED;
 523
 524                 return info->ops->service_status( info->name,
 525                                                   r->out.service_status );
 526         default:
 527                 return WERR_ACCESS_DENIED;
 528         }
 529 }
 530
 531 /********************************************************************
 532  _svcctl_EnumDependentServicesW
 533 ********************************************************************/
 534
 535 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
 536                                       struct svcctl_EnumDependentServicesW *r)
 537 {
 538         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
 539
 540         /* perform access checks */
 541
 542         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 543                 return WERR_BADFID;
 544
 545         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 546                 return WERR_ACCESS_DENIED;
 547
 548         switch (r->in.state) {
 549         case SERVICE_STATE_ACTIVE:
 550         case SERVICE_STATE_INACTIVE:
 551         case SERVICE_STATE_ALL:
 552                 break;
 553         default:
 554                 return WERR_INVALID_PARAM;
 555         }
 556
 557         /* we have to set the outgoing buffer size to the same as the
 558            incoming buffer size (even in the case of failure */
 559         /* this is done in the autogenerated server already - gd */
 560
 561         *r->out.needed = r->in.offered;
 562
 563         /* no dependent services...basically a stub function */
 564         *r->out.services_returned = 0;
 565
 566         return WERR_OK;
 567 }
 568
 569 /********************************************************************
 570  _svcctl_QueryServiceStatusEx
 571 ********************************************************************/
 572
 573 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p,
 574                                     struct svcctl_QueryServiceStatusEx *r)
 575 {
 576         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 577         uint32 buffer_size;
 578
 579         /* perform access checks */
 580
 581         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 582                 return WERR_BADFID;
 583
 584         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 585                 return WERR_ACCESS_DENIED;
 586
 587         /* we have to set the outgoing buffer size to the same as the
 588            incoming buffer size (even in the case of failure) */
 589         *r->out.needed = r->in.offered;
 590
 591         switch ( r->in.info_level ) {
 592                 case SVC_STATUS_PROCESS_INFO:
 593                 {
 594                         struct SERVICE_STATUS_PROCESS svc_stat_proc;
 595                         enum ndr_err_code ndr_err;
 596                         DATA_BLOB blob;
 597
 598                         /* Get the status of the service.. */
 599                         info->ops->service_status( info->name, &svc_stat_proc.status );
 600                         svc_stat_proc.process_id     = sys_getpid();
 601                         svc_stat_proc.service_flags  = 0x0;
 602
 603                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
 604                                                        &svc_stat_proc,
 605                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
 606                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 607                                 return WERR_INVALID_PARAM;
 608                         }
 609
 610                         r->out.buffer = blob.data;
 611                         buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
 612                         break;
 613                 }
 614
 615                 default:
 616                         return WERR_UNKNOWN_LEVEL;
 617         }
 618
 619
 620         buffer_size += buffer_size % 4;
 621         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 622
 623         if (buffer_size > r->in.offered ) {
 624                 return WERR_INSUFFICIENT_BUFFER;
 625         }
 626
 627         return WERR_OK;
 628 }
 629
 630 /********************************************************************
 631 ********************************************************************/
 632
 633 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
 634                                struct QUERY_SERVICE_CONFIG *config,
 635                                NT_USER_TOKEN *token )
 636 {
 637         REGVAL_CTR *values;
 638         REGISTRY_VALUE *val;
 639
 640         /* retrieve the registry values for this service */
 641
 642         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 643                 return WERR_REG_CORRUPT;
 644
 645         /* now fill in the individual values */
 646
 647         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 648                 config->displayname = regval_sz(val);
 649         else
 650                 config->displayname = name;
 651
 652         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 653                 config->startname = regval_sz(val);
 654         }
 655
 656         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 657                 config->executablepath = regval_sz(val);
 658         }
 659
 660         /* a few hard coded values */
 661         /* loadordergroup and dependencies are empty */
 662
 663         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 664         config->service_type     = SERVICE_TYPE_WIN32_OWN_PROCESS;
 665         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 666
 667         /* set the start type.  NetLogon and WINS are disabled to prevent
 668            the client from showing the "Start" button (if of course the services
 669            are not running */
 670
 671         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 672                 config->start_type = SVCCTL_DISABLED;
 673         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 674                 config->start_type = SVCCTL_DISABLED;
 675         else
 676                 config->start_type = SVCCTL_DEMAND_START;
 677
 678
 679         TALLOC_FREE( values );
 680
 681         return WERR_OK;
 682 }
 683
 684 /********************************************************************
 685  _svcctl_QueryServiceConfigW
 686 ********************************************************************/
 687
 688 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
 689                                    struct svcctl_QueryServiceConfigW *r)
 690 {
 691         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 692         uint32 buffer_size;
 693         WERROR wresult;
 694
 695         /* perform access checks */
 696
 697         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 698                 return WERR_BADFID;
 699
 700         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 701                 return WERR_ACCESS_DENIED;
 702
 703         /* we have to set the outgoing buffer size to the same as the
 704            incoming buffer size (even in the case of failure */
 705
 706         *r->out.needed = r->in.offered;
 707
 708         wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
 709                                    p->server_info->ptok);
 710         if ( !W_ERROR_IS_OK(wresult) )
 711                 return wresult;
 712
 713         buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, NULL, 0);
 714         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 715
 716         if (buffer_size > r->in.offered ) {
 717                 ZERO_STRUCTP(r->out.query);
 718                 return WERR_INSUFFICIENT_BUFFER;
 719         }
 720
 721         return WERR_OK;
 722 }
 723
 724 /********************************************************************
 725  _svcctl_QueryServiceConfig2W
 726 ********************************************************************/
 727
 728 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p,
 729                                     struct svcctl_QueryServiceConfig2W *r)
 730 {
 731         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 732         uint32 buffer_size;
 733
 734         /* perform access checks */
 735
 736         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 737                 return WERR_BADFID;
 738
 739         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 740                 return WERR_ACCESS_DENIED;
 741
 742         /* we have to set the outgoing buffer size to the same as the
 743            incoming buffer size (even in the case of failure */
 744         *r->out.needed = r->in.offered;
 745
 746         switch ( r->in.info_level ) {
 747         case SERVICE_CONFIG_DESCRIPTION:
 748                 {
 749                         struct SERVICE_DESCRIPTION desc_buf;
 750                         const char *description;
 751                         enum ndr_err_code ndr_err;
 752                         DATA_BLOB blob;
 753
 754                         description = svcctl_lookup_description(
 755                                 p->mem_ctx, info->name, p->server_info->ptok);
 756
 757                         desc_buf.description = description;
 758
 759                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
 760                                                        &desc_buf,
 761                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
 762                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 763                                 return WERR_INVALID_PARAM;
 764                         }
 765
 766                         buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, NULL, 0);
 767                         r->out.buffer = blob.data;
 768
 769                         break;
 770                 }
 771                 break;
 772         case SERVICE_CONFIG_FAILURE_ACTIONS:
 773                 {
 774                         struct SERVICE_FAILURE_ACTIONS actions;
 775                         enum ndr_err_code ndr_err;
 776                         DATA_BLOB blob;
 777
 778                         /* nothing to say...just service the request */
 779
 780                         ZERO_STRUCT( actions );
 781
 782                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
 783                                                        &actions,
 784                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
 785                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 786                                 return WERR_INVALID_PARAM;
 787                         }
 788
 789                         buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, NULL, 0);
 790                         r->out.buffer = blob.data;
 791
 792                         break;
 793                 }
 794                 break;
 795
 796         default:
 797                 return WERR_UNKNOWN_LEVEL;
 798         }
 799
 800         buffer_size += buffer_size % 4;
 801         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 802
 803         if (buffer_size > r->in.offered)
 804                 return WERR_INSUFFICIENT_BUFFER;
 805
 806         return WERR_OK;
 807 }
 808
 809 /********************************************************************
 810  _svcctl_LockServiceDatabase
 811 ********************************************************************/
 812
 813 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
 814                                    struct svcctl_LockServiceDatabase *r)
 815 {
 816         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 817
 818         /* perform access checks */
 819
 820         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 821                 return WERR_BADFID;
 822
 823         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 824                 return WERR_ACCESS_DENIED;
 825
 826         /* Just open a handle.  Doesn't actually lock anything */
 827
 828         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 829 }
 830
 831 /********************************************************************
 832  _svcctl_UnlockServiceDatabase
 833 ********************************************************************/
 834
 835 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
 836                                      struct svcctl_UnlockServiceDatabase *r)
 837 {
 838         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 839
 840
 841         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 842                 return WERR_BADFID;
 843
 844         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 845 }
 846
 847 /********************************************************************
 848  _svcctl_QueryServiceObjectSecurity
 849 ********************************************************************/
 850
 851 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
 852                                           struct svcctl_QueryServiceObjectSecurity *r)
 853 {
 854         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 855         SEC_DESC *sec_desc;
 856         NTSTATUS status;
 857         uint8_t *buffer = NULL;
 858         size_t len = 0;
 859
 860
 861         /* only support the SCM and individual services */
 862
 863         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 864                 return WERR_BADFID;
 865
 866         /* check access reights (according to MSDN) */
 867
 868         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 869                 return WERR_ACCESS_DENIED;
 870
 871         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 872
 873         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 874                 return WERR_INVALID_PARAM;
 875
 876         /* lookup the security descriptor and marshall it up for a reply */
 877
 878         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 879                 return WERR_NOMEM;
 880
 881         *r->out.needed = ndr_size_security_descriptor( sec_desc, NULL, 0 );
 882
 883         if ( *r->out.needed > r->in.offered) {
 884                 return WERR_INSUFFICIENT_BUFFER;
 885         }
 886
 887         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 888         if (!NT_STATUS_IS_OK(status)) {
 889                 return ntstatus_to_werror(status);
 890         }
 891
 892         *r->out.needed = len;
 893         r->out.buffer = buffer;
 894
 895         return WERR_OK;
 896 }
 897
 898 /********************************************************************
 899  _svcctl_SetServiceObjectSecurity
 900 ********************************************************************/
 901
 902 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
 903                                         struct svcctl_SetServiceObjectSecurity *r)
 904 {
 905         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 906         SEC_DESC *sec_desc = NULL;
 907         uint32 required_access;
 908         NTSTATUS status;
 909
 910         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 911                 return WERR_BADFID;
 912
 913         /* can't set the security de4scriptor on the ServiceControlManager */
 914
 915         if ( info->type == SVC_HANDLE_IS_SCM )
 916                 return WERR_ACCESS_DENIED;
 917
 918         /* check the access on the open handle */
 919
 920         switch ( r->in.security_flags ) {
 921                 case DACL_SECURITY_INFORMATION:
 922                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 923                         break;
 924
 925                 case OWNER_SECURITY_INFORMATION:
 926                 case GROUP_SECURITY_INFORMATION:
 927                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 928                         break;
 929
 930                 case SACL_SECURITY_INFORMATION:
 931                         return WERR_INVALID_PARAM;
 932                 default:
 933                         return WERR_INVALID_PARAM;
 934         }
 935
 936         if ( !(info->access_granted & required_access) )
 937                 return WERR_ACCESS_DENIED;
 938
 939         /* read the security descfriptor */
 940
 941         status = unmarshall_sec_desc(p->mem_ctx,
 942                                      r->in.buffer,
 943                                      r->in.offered,
 944                                      &sec_desc);
 945         if (!NT_STATUS_IS_OK(status)) {
 946                 return ntstatus_to_werror(status);
 947         }
 948
 949         /* store the new SD */
 950
 951         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
 952                                   p->server_info->ptok) )
 953                 return WERR_ACCESS_DENIED;
 954
 955         return WERR_OK;
 956 }
 957
 958
 959 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 960 {
 961         p->rng_fault_state = True;
 962         return WERR_NOT_SUPPORTED;
 963 }
 964
 965 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 966 {
 967         p->rng_fault_state = True;
 968         return WERR_NOT_SUPPORTED;
 969 }
 970
 971 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 972 {
 973         p->rng_fault_state = True;
 974         return WERR_NOT_SUPPORTED;
 975 }
 976
 977 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 978 {
 979         p->rng_fault_state = True;
 980         return WERR_NOT_SUPPORTED;
 981 }
 982
 983 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 984 {
 985         p->rng_fault_state = True;
 986         return WERR_NOT_SUPPORTED;
 987 }
 988
 989 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 990 {
 991         p->rng_fault_state = True;
 992         return WERR_NOT_SUPPORTED;
 993 }
 994
 995 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 996 {
 997         p->rng_fault_state = True;
 998         return WERR_NOT_SUPPORTED;
 999 }
1000
1001 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
1002 {
1003         p->rng_fault_state = True;
1004         return WERR_NOT_SUPPORTED;
1005 }
1006
1007 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1008 {
1009         p->rng_fault_state = True;
1010         return WERR_NOT_SUPPORTED;
1011 }
1012
1013 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1014 {
1015         p->rng_fault_state = True;
1016         return WERR_NOT_SUPPORTED;
1017 }
1018
1019 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1020 {
1021         p->rng_fault_state = True;
1022         return WERR_NOT_SUPPORTED;
1023 }
1024
1025 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1026 {
1027         p->rng_fault_state = True;
1028         return WERR_NOT_SUPPORTED;
1029 }
1030
1031 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1032 {
1033         p->rng_fault_state = True;
1034         return WERR_NOT_SUPPORTED;
1035 }
1036
1037 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1038 {
1039         p->rng_fault_state = True;
1040         return WERR_NOT_SUPPORTED;
1041 }
1042
1043 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1044 {
1045         p->rng_fault_state = True;
1046         return WERR_NOT_SUPPORTED;
1047 }
1048
1049 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1050 {
1051         p->rng_fault_state = True;
1052         return WERR_NOT_SUPPORTED;
1053 }
1054
1055 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1056 {
1057         p->rng_fault_state = True;
1058         return WERR_NOT_SUPPORTED;
1059 }
1060
1061 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1062 {
1063         p->rng_fault_state = True;
1064         return WERR_NOT_SUPPORTED;
1065 }
1066
1067 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1068 {
1069         p->rng_fault_state = True;
1070         return WERR_NOT_SUPPORTED;
1071 }
1072
1073 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1074 {
1075         p->rng_fault_state = True;
1076         return WERR_NOT_SUPPORTED;
1077 }
1078
1079 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1080 {
1081         p->rng_fault_state = True;
1082         return WERR_NOT_SUPPORTED;
1083 }
1084
1085 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1086 {
1087         p->rng_fault_state = True;
1088         return WERR_NOT_SUPPORTED;
1089 }
1090
1091 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1092 {
1093         p->rng_fault_state = True;
1094         return WERR_NOT_SUPPORTED;
1095 }
1096
1097 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1098 {
1099         p->rng_fault_state = True;
1100         return WERR_NOT_SUPPORTED;
1101 }
1102
1103 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1104 {
1105         p->rng_fault_state = True;
1106         return WERR_NOT_SUPPORTED;
1107 }
1108
1109 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1110 {
1111         p->rng_fault_state = True;
1112         return WERR_NOT_SUPPORTED;
1113 }
1114
1115 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1116 {
1117         p->rng_fault_state = True;
1118         return WERR_NOT_SUPPORTED;
1119 }
1120
1121 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1122 {
1123         p->rng_fault_state = True;
1124         return WERR_NOT_SUPPORTED;
1125 }
1126