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