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.
  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 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  36
  37 /* handle external services */
  38 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
  39
  40 /* builtin services (see service_db.c and services/svc_*.c */
  41 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
  42 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
  43 extern SERVICE_CONTROL_OPS winreg_svc_ops;
  44 extern SERVICE_CONTROL_OPS wins_svc_ops;
  45
  46 /* make sure this number patches the number of builtin
  47    SERVICE_CONTROL_OPS structure listed above */
  48
  49 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  50
  51 struct service_control_op *svcctl_ops;
  52
  53 static const struct generic_mapping scm_generic_map =
  54         { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
  55 static const struct generic_mapping svc_generic_map =
  56         { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
  57
  58
  59 /********************************************************************
  60 ********************************************************************/
  61
  62 bool init_service_op_table( void )
  63 {
  64         const char **service_list = lp_svcctl_list();
  65         int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
  66         int i;
  67
  68         if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
  69                 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
  70                 return False;
  71         }
  72
  73         /* services listed in smb.conf get the rc.init interface */
  74
  75         for ( i=0; service_list && service_list[i]; i++ ) {
  76                 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
  77                 svcctl_ops[i].ops  = &rcinit_svc_ops;
  78         }
  79
  80         /* add builtin services */
  81
  82         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
  83         svcctl_ops[i].ops  = &spoolss_svc_ops;
  84         i++;
  85
  86         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
  87         svcctl_ops[i].ops  = &netlogon_svc_ops;
  88         i++;
  89
  90         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
  91         svcctl_ops[i].ops  = &winreg_svc_ops;
  92         i++;
  93
  94         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
  95         svcctl_ops[i].ops  = &wins_svc_ops;
  96         i++;
  97
  98         /* NULL terminate the array */
  99
 100         svcctl_ops[i].name = NULL;
 101         svcctl_ops[i].ops  = NULL;
 102
 103         return True;
 104 }
 105
 106 /********************************************************************
 107 ********************************************************************/
 108
 109 static struct service_control_op* find_service_by_name( const char *name )
 110 {
 111         int i;
 112
 113         for ( i=0; svcctl_ops[i].name; i++ ) {
 114                 if ( strequal( name, svcctl_ops[i].name ) )
 115                         return &svcctl_ops[i];
 116         }
 117
 118         return NULL;
 119 }
 120 /********************************************************************
 121 ********************************************************************/
 122
 123 static NTSTATUS svcctl_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token,
 124                                      uint32 access_desired, uint32 *access_granted )
 125 {
 126         if ( geteuid() == sec_initial_uid() ) {
 127                 DEBUG(5,("svcctl_access_check: using root's token\n"));
 128                 token = get_root_nt_token();
 129         }
 130
 131         return se_access_check( sec_desc, token, access_desired, access_granted);
 132 }
 133
 134 /********************************************************************
 135 ********************************************************************/
 136
 137 static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx )
 138 {
 139         SEC_ACE ace[2];
 140         size_t i = 0;
 141         SEC_DESC *sd;
 142         SEC_ACL *acl;
 143         size_t sd_size;
 144
 145         /* basic access for Everyone */
 146
 147         init_sec_ace(&ace[i++], &global_sid_World,
 148                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
 149
 150         /* Full Access 'BUILTIN\Administrators' */
 151
 152         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
 153                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
 154
 155
 156         /* create the security descriptor */
 157
 158         if ( !(acl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 159                 return NULL;
 160
 161         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
 162                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
 163                                   acl, &sd_size)) )
 164                 return NULL;
 165
 166         return sd;
 167 }
 168
 169 /******************************************************************
 170  free() function for REGISTRY_KEY
 171  *****************************************************************/
 172
 173 static void free_service_handle_info(void *ptr)
 174 {
 175         TALLOC_FREE( ptr );
 176 }
 177
 178 /******************************************************************
 179  Find a registry key handle and return a SERVICE_INFO
 180  *****************************************************************/
 181
 182 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, POLICY_HND *hnd)
 183 {
 184         SERVICE_INFO *service_info = NULL;
 185
 186         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
 187                 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
 188                 return NULL;
 189         }
 190
 191         return service_info;
 192 }
 193
 194 /******************************************************************
 195  *****************************************************************/
 196
 197 static WERROR create_open_service_handle( pipes_struct *p, POLICY_HND *handle, uint32 type,
 198                                           const char *service, uint32 access_granted )
 199 {
 200         SERVICE_INFO *info = NULL;
 201         WERROR result = WERR_OK;
 202         struct service_control_op *s_op;
 203
 204         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 205                 return WERR_NOMEM;
 206
 207         /* the Service Manager has a NULL name */
 208
 209         info->type = SVC_HANDLE_IS_SCM;
 210
 211         switch ( type ) {
 212         case SVC_HANDLE_IS_SCM:
 213                 info->type = SVC_HANDLE_IS_SCM;
 214                 break;
 215
 216         case SVC_HANDLE_IS_DBLOCK:
 217                 info->type = SVC_HANDLE_IS_DBLOCK;
 218                 break;
 219
 220         case SVC_HANDLE_IS_SERVICE:
 221                 info->type = SVC_HANDLE_IS_SERVICE;
 222
 223                 /* lookup the SERVICE_CONTROL_OPS */
 224
 225                 if ( !(s_op = find_service_by_name( service )) ) {
 226                         result = WERR_NO_SUCH_SERVICE;
 227                         goto done;
 228                 }
 229
 230                 info->ops = s_op->ops;
 231
 232                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 233                         result = WERR_NOMEM;
 234                         goto done;
 235                 }
 236                 break;
 237
 238         default:
 239                 result = WERR_NO_SUCH_SERVICE;
 240                 goto done;
 241         }
 242
 243         info->access_granted = access_granted;
 244
 245         /* store the SERVICE_INFO and create an open handle */
 246
 247         if ( !create_policy_hnd( p, handle, free_service_handle_info, info ) ) {
 248                 result = WERR_ACCESS_DENIED;
 249                 goto done;
 250         }
 251
 252 done:
 253         if ( !W_ERROR_IS_OK(result) )
 254                 free_service_handle_info( info );
 255
 256         return result;
 257 }
 258
 259 /********************************************************************
 260 ********************************************************************/
 261
 262 WERROR _svcctl_OpenSCManagerW(pipes_struct *p,
 263                               struct svcctl_OpenSCManagerW *r)
 264 {
 265         SEC_DESC *sec_desc;
 266         uint32 access_granted = 0;
 267         NTSTATUS status;
 268
 269         /* perform access checks */
 270
 271         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 272                 return WERR_NOMEM;
 273
 274         se_map_generic( &r->in.access_mask, &scm_generic_map );
 275         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 276                                       r->in.access_mask, &access_granted );
 277         if ( !NT_STATUS_IS_OK(status) )
 278                 return ntstatus_to_werror( status );
 279
 280         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 281 }
 282
 283 /********************************************************************
 284  _svcctl_OpenServiceW
 285 ********************************************************************/
 286
 287 WERROR _svcctl_OpenServiceW(pipes_struct *p,
 288                             struct svcctl_OpenServiceW *r)
 289 {
 290         SEC_DESC *sec_desc;
 291         uint32 access_granted = 0;
 292         NTSTATUS status;
 293         const char *service = NULL;
 294
 295         service = r->in.ServiceName;
 296         if (!service) {
 297                 return WERR_NOMEM;
 298         }
 299         DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
 300
 301         /* based on my tests you can open a service if you have a valid scm handle */
 302
 303         if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
 304                 return WERR_BADFID;
 305
 306         /* perform access checks.  Use the root token in order to ensure that we
 307            retrieve the security descriptor */
 308
 309         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 310                 return WERR_NOMEM;
 311
 312         se_map_generic( &r->in.access_mask, &svc_generic_map );
 313         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 314                                       r->in.access_mask, &access_granted );
 315         if ( !NT_STATUS_IS_OK(status) )
 316                 return ntstatus_to_werror( status );
 317
 318         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 319 }
 320
 321 /********************************************************************
 322 ********************************************************************/
 323
 324 WERROR _svcctl_CloseServiceHandle(pipes_struct *p, struct svcctl_CloseServiceHandle *r)
 325 {
 326         if ( !close_policy_hnd( p, r->in.handle ) )
 327                 return  WERR_BADFID;
 328
 329         ZERO_STRUCTP(r->out.handle);
 330
 331         return WERR_OK;
 332 }
 333
 334 /********************************************************************
 335  _svcctl_GetServiceDisplayNameW
 336 ********************************************************************/
 337
 338 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p,
 339                                       struct svcctl_GetServiceDisplayNameW *r)
 340 {
 341         const char *service;
 342         const char *display_name;
 343         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 344
 345         /* can only use an SCM handle here */
 346
 347         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 348                 return WERR_BADFID;
 349
 350         service = r->in.service_name;
 351
 352         display_name = svcctl_lookup_dispname(p->mem_ctx, service,
 353                                               p->server_info->ptok);
 354         if (!display_name) {
 355                 display_name = "";
 356         }
 357
 358         *r->out.display_name = display_name;
 359         *r->out.display_name_length = strlen(display_name);
 360
 361         return WERR_OK;
 362 }
 363
 364 /********************************************************************
 365  _svcctl_QueryServiceStatus
 366 ********************************************************************/
 367
 368 WERROR _svcctl_QueryServiceStatus(pipes_struct *p,
 369                                   struct svcctl_QueryServiceStatus *r)
 370 {
 371         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 372
 373         /* perform access checks */
 374
 375         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 376                 return WERR_BADFID;
 377
 378         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 379                 return WERR_ACCESS_DENIED;
 380
 381         /* try the service specific status call */
 382
 383         return info->ops->service_status( info->name, r->out.service_status );
 384 }
 385
 386 /********************************************************************
 387 ********************************************************************/
 388
 389 static int enumerate_status( TALLOC_CTX *ctx, ENUM_SERVICES_STATUS **status, NT_USER_TOKEN *token )
 390 {
 391         int num_services = 0;
 392         int i;
 393         ENUM_SERVICES_STATUS *st;
 394         const char *display_name;
 395
 396         /* just count */
 397         while ( svcctl_ops[num_services].name )
 398                 num_services++;
 399
 400         if ( !(st = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) ) {
 401                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 402                 return -1;
 403         }
 404
 405         for ( i=0; i<num_services; i++ ) {
 406                 init_unistr( &st[i].servicename, svcctl_ops[i].name );
 407
 408                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 409                 init_unistr( &st[i].displayname, display_name ? display_name : "");
 410
 411                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 412         }
 413
 414         *status = st;
 415
 416         return num_services;
 417 }
 418
 419 /********************************************************************
 420 ********************************************************************/
 421
 422 WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u)
 423 {
 424         ENUM_SERVICES_STATUS *services = NULL;
 425         int num_services;
 426         int i = 0;
 427         size_t buffer_size = 0;
 428         WERROR result = WERR_OK;
 429         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 430         NT_USER_TOKEN *token = p->server_info->ptok;
 431
 432         /* perform access checks */
 433
 434         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 435                 return WERR_BADFID;
 436
 437         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 438                 return WERR_ACCESS_DENIED;
 439         }
 440
 441         num_services = enumerate_status( p->mem_ctx, &services, token );
 442         if (num_services == -1 ) {
 443                 return WERR_NOMEM;
 444         }
 445
 446         for ( i=0; i<num_services; i++ ) {
 447                 buffer_size += svcctl_sizeof_enum_services_status(&services[i]);
 448         }
 449
 450         buffer_size += buffer_size % 4;
 451
 452         if (buffer_size > q_u->buffer_size ) {
 453                 num_services = 0;
 454                 result = WERR_MORE_DATA;
 455         }
 456
 457         rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx);
 458
 459         if ( W_ERROR_IS_OK(result) ) {
 460                 for ( i=0; i<num_services; i++ )
 461                         svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 );
 462         }
 463
 464         r_u->needed      = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 465         r_u->returned    = (uint32)num_services;
 466
 467         if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) )
 468                 return WERR_NOMEM;
 469
 470         *r_u->resume = 0x0;
 471
 472         return result;
 473 }
 474
 475 /********************************************************************
 476  _svcctl_StartServiceW
 477 ********************************************************************/
 478
 479 WERROR _svcctl_StartServiceW(pipes_struct *p,
 480                              struct svcctl_StartServiceW *r)
 481 {
 482         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 483
 484         /* perform access checks */
 485
 486         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 487                 return WERR_BADFID;
 488
 489         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 490                 return WERR_ACCESS_DENIED;
 491
 492         return info->ops->start_service( info->name );
 493 }
 494
 495 /********************************************************************
 496  _svcctl_ControlService
 497 ********************************************************************/
 498
 499 WERROR _svcctl_ControlService(pipes_struct *p,
 500                               struct svcctl_ControlService *r)
 501 {
 502         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 503
 504         /* perform access checks */
 505
 506         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 507                 return WERR_BADFID;
 508
 509         switch ( r->in.control ) {
 510         case SVCCTL_CONTROL_STOP:
 511                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 512                         return WERR_ACCESS_DENIED;
 513
 514                 return info->ops->stop_service( info->name,
 515                                                 r->out.service_status );
 516
 517         case SVCCTL_CONTROL_INTERROGATE:
 518                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 519                         return WERR_ACCESS_DENIED;
 520
 521                 return info->ops->service_status( info->name,
 522                                                   r->out.service_status );
 523         default:
 524                 return WERR_ACCESS_DENIED;
 525         }
 526 }
 527
 528 /********************************************************************
 529  _svcctl_EnumDependentServicesW
 530 ********************************************************************/
 531
 532 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
 533                                       struct svcctl_EnumDependentServicesW *r)
 534 {
 535         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
 536
 537         /* perform access checks */
 538
 539         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 540                 return WERR_BADFID;
 541
 542         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 543                 return WERR_ACCESS_DENIED;
 544
 545         /* we have to set the outgoing buffer size to the same as the
 546            incoming buffer size (even in the case of failure */
 547         /* this is done in the autogenerated server already - gd */
 548
 549         *r->out.bytes_needed = r->in.buf_size;
 550
 551         /* no dependent services...basically a stub function */
 552         *r->out.services_returned = 0;
 553
 554         return WERR_OK;
 555 }
 556
 557 /********************************************************************
 558 ********************************************************************/
 559
 560 WERROR _svcctl_query_service_status_ex( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_STATUSEX *q_u, SVCCTL_R_QUERY_SERVICE_STATUSEX *r_u )
 561 {
 562         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 563         uint32 buffer_size;
 564
 565         /* perform access checks */
 566
 567         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 568                 return WERR_BADFID;
 569
 570         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 571                 return WERR_ACCESS_DENIED;
 572
 573         /* we have to set the outgoing buffer size to the same as the
 574            incoming buffer size (even in the case of failure) */
 575
 576         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 577         r_u->needed = q_u->buffer_size;
 578
 579         switch ( q_u->level ) {
 580                 case SVC_STATUS_PROCESS_INFO:
 581                 {
 582                         SERVICE_STATUS_PROCESS svc_stat_proc;
 583
 584                         /* Get the status of the service.. */
 585                         info->ops->service_status( info->name, &svc_stat_proc.status );
 586                         svc_stat_proc.process_id     = sys_getpid();
 587                         svc_stat_proc.service_flags  = 0x0;
 588
 589                         svcctl_io_service_status_process( "", &svc_stat_proc, &r_u->buffer, 0 );
 590                         buffer_size = sizeof(SERVICE_STATUS_PROCESS);
 591                         break;
 592                 }
 593
 594                 default:
 595                         return WERR_UNKNOWN_LEVEL;
 596         }
 597
 598
 599         buffer_size += buffer_size % 4;
 600         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 601
 602         if (buffer_size > q_u->buffer_size )
 603                 return WERR_MORE_DATA;
 604
 605         return WERR_OK;
 606 }
 607
 608 /********************************************************************
 609 ********************************************************************/
 610
 611 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
 612                                struct QUERY_SERVICE_CONFIG *config,
 613                                NT_USER_TOKEN *token )
 614 {
 615         REGVAL_CTR *values;
 616         REGISTRY_VALUE *val;
 617
 618         /* retrieve the registry values for this service */
 619
 620         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 621                 return WERR_REG_CORRUPT;
 622
 623         /* now fill in the individual values */
 624
 625         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 626                 config->displayname = regval_sz(val);
 627         else
 628                 config->displayname = name;
 629
 630         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 631                 config->startname = regval_sz(val);
 632         }
 633
 634         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 635                 config->executablepath = regval_sz(val);
 636         }
 637
 638         /* a few hard coded values */
 639         /* loadordergroup and dependencies are empty */
 640
 641         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 642         config->service_type     = SVCCTL_WIN32_OWN_PROC;
 643         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 644
 645         /* set the start type.  NetLogon and WINS are disabled to prevent
 646            the client from showing the "Start" button (if of course the services
 647            are not running */
 648
 649         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 650                 config->start_type = SVCCTL_DISABLED;
 651         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 652                 config->start_type = SVCCTL_DISABLED;
 653         else
 654                 config->start_type = SVCCTL_DEMAND_START;
 655
 656
 657         TALLOC_FREE( values );
 658
 659         return WERR_OK;
 660 }
 661
 662 /********************************************************************
 663  _svcctl_QueryServiceConfigW
 664 ********************************************************************/
 665
 666 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
 667                                    struct svcctl_QueryServiceConfigW *r)
 668 {
 669         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 670         uint32 buffer_size;
 671         WERROR wresult;
 672
 673         /* perform access checks */
 674
 675         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 676                 return WERR_BADFID;
 677
 678         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 679                 return WERR_ACCESS_DENIED;
 680
 681         /* we have to set the outgoing buffer size to the same as the
 682            incoming buffer size (even in the case of failure */
 683
 684         *r->out.bytes_needed = r->in.buf_size;
 685
 686         wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
 687                                    p->server_info->ptok);
 688         if ( !W_ERROR_IS_OK(wresult) )
 689                 return wresult;
 690
 691         buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, 0);
 692         *r->out.bytes_needed = (buffer_size > r->in.buf_size) ? buffer_size : r->in.buf_size;
 693
 694         if (buffer_size > r->in.buf_size ) {
 695                 ZERO_STRUCTP(r->out.query);
 696                 return WERR_INSUFFICIENT_BUFFER;
 697         }
 698
 699         return WERR_OK;
 700 }
 701
 702 /********************************************************************
 703 ********************************************************************/
 704
 705 WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u )
 706 {
 707         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 708         uint32 buffer_size;
 709
 710         /* perform access checks */
 711
 712         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 713                 return WERR_BADFID;
 714
 715         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 716                 return WERR_ACCESS_DENIED;
 717
 718         /* we have to set the outgoing buffer size to the same as the
 719            incoming buffer size (even in the case of failure */
 720
 721         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 722         r_u->needed = q_u->buffer_size;
 723
 724         switch ( q_u->level ) {
 725         case SERVICE_CONFIG_DESCRIPTION:
 726                 {
 727                         SERVICE_DESCRIPTION desc_buf;
 728                         const char *description;
 729
 730                         description = svcctl_lookup_description(
 731                                 p->mem_ctx, info->name, p->server_info->ptok);
 732
 733                         ZERO_STRUCTP( &desc_buf );
 734
 735                         init_service_description_buffer( &desc_buf, description ? description : "");
 736                         svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 );
 737                         buffer_size = svcctl_sizeof_service_description( &desc_buf );
 738
 739                         break;
 740                 }
 741                 break;
 742         case SERVICE_CONFIG_FAILURE_ACTIONS:
 743                 {
 744                         SERVICE_FAILURE_ACTIONS actions;
 745
 746                         /* nothing to say...just service the request */
 747
 748                         ZERO_STRUCTP( &actions );
 749                         svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 );
 750                         buffer_size = svcctl_sizeof_service_fa( &actions );
 751
 752                         break;
 753                 }
 754                 break;
 755
 756         default:
 757                 return WERR_UNKNOWN_LEVEL;
 758         }
 759
 760         buffer_size += buffer_size % 4;
 761         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 762
 763         if (buffer_size > q_u->buffer_size )
 764                 return WERR_INSUFFICIENT_BUFFER;
 765
 766         return WERR_OK;
 767 }
 768
 769 /********************************************************************
 770  _svcctl_LockServiceDatabase
 771 ********************************************************************/
 772
 773 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
 774                                    struct svcctl_LockServiceDatabase *r)
 775 {
 776         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 777
 778         /* perform access checks */
 779
 780         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 781                 return WERR_BADFID;
 782
 783         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 784                 return WERR_ACCESS_DENIED;
 785
 786         /* Just open a handle.  Doesn't actually lock anything */
 787
 788         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 789 }
 790
 791 /********************************************************************
 792  _svcctl_UnlockServiceDatabase
 793 ********************************************************************/
 794
 795 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
 796                                      struct svcctl_UnlockServiceDatabase *r)
 797 {
 798         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 799
 800
 801         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 802                 return WERR_BADFID;
 803
 804         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 805 }
 806
 807 /********************************************************************
 808  _svcctl_QueryServiceObjectSecurity
 809 ********************************************************************/
 810
 811 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
 812                                           struct svcctl_QueryServiceObjectSecurity *r)
 813 {
 814         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 815         SEC_DESC *sec_desc;
 816         NTSTATUS status;
 817         uint8_t *buffer = NULL;
 818         size_t len = 0;
 819
 820
 821         /* only support the SCM and individual services */
 822
 823         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 824                 return WERR_BADFID;
 825
 826         /* check access reights (according to MSDN) */
 827
 828         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 829                 return WERR_ACCESS_DENIED;
 830
 831         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 832
 833         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 834                 return WERR_INVALID_PARAM;
 835
 836         /* lookup the security descriptor and marshall it up for a reply */
 837
 838         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 839                 return WERR_NOMEM;
 840
 841         *r->out.needed = ndr_size_security_descriptor( sec_desc, 0 );
 842
 843         if ( *r->out.needed > r->in.buffer_size ) {
 844                 ZERO_STRUCTP( &r->out.buffer );
 845                 return WERR_INSUFFICIENT_BUFFER;
 846         }
 847
 848         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 849         if (!NT_STATUS_IS_OK(status)) {
 850                 return ntstatus_to_werror(status);
 851         }
 852
 853         *r->out.needed = len;
 854         r->out.buffer = buffer;
 855
 856         return WERR_OK;
 857 }
 858
 859 /********************************************************************
 860  _svcctl_SetServiceObjectSecurity
 861 ********************************************************************/
 862
 863 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
 864                                         struct svcctl_SetServiceObjectSecurity *r)
 865 {
 866         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 867         SEC_DESC *sec_desc = NULL;
 868         uint32 required_access;
 869         NTSTATUS status;
 870
 871         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 872                 return WERR_BADFID;
 873
 874         /* can't set the security de4scriptor on the ServiceControlManager */
 875
 876         if ( info->type == SVC_HANDLE_IS_SCM )
 877                 return WERR_ACCESS_DENIED;
 878
 879         /* check the access on the open handle */
 880
 881         switch ( r->in.security_flags ) {
 882                 case DACL_SECURITY_INFORMATION:
 883                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 884                         break;
 885
 886                 case OWNER_SECURITY_INFORMATION:
 887                 case GROUP_SECURITY_INFORMATION:
 888                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 889                         break;
 890
 891                 case SACL_SECURITY_INFORMATION:
 892                         return WERR_INVALID_PARAM;
 893                 default:
 894                         return WERR_INVALID_PARAM;
 895         }
 896
 897         if ( !(info->access_granted & required_access) )
 898                 return WERR_ACCESS_DENIED;
 899
 900         /* read the security descfriptor */
 901
 902         status = unmarshall_sec_desc(p->mem_ctx,
 903                                      r->in.buffer, r->in.buffer_size,
 904                                      &sec_desc);
 905         if (!NT_STATUS_IS_OK(status)) {
 906                 return ntstatus_to_werror(status);
 907         }
 908
 909         /* store the new SD */
 910
 911         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
 912                                   p->server_info->ptok) )
 913                 return WERR_ACCESS_DENIED;
 914
 915         return WERR_OK;
 916 }
 917
 918
 919 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 920 {
 921         p->rng_fault_state = True;
 922         return WERR_NOT_SUPPORTED;
 923 }
 924
 925 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 926 {
 927         p->rng_fault_state = True;
 928         return WERR_NOT_SUPPORTED;
 929 }
 930
 931 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 932 {
 933         p->rng_fault_state = True;
 934         return WERR_NOT_SUPPORTED;
 935 }
 936
 937 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 938 {
 939         p->rng_fault_state = True;
 940         return WERR_NOT_SUPPORTED;
 941 }
 942
 943 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 944 {
 945         p->rng_fault_state = True;
 946         return WERR_NOT_SUPPORTED;
 947 }
 948
 949 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 950 {
 951         p->rng_fault_state = True;
 952         return WERR_NOT_SUPPORTED;
 953 }
 954
 955 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p, struct svcctl_EnumServicesStatusW *r)
 956 {
 957         p->rng_fault_state = True;
 958         return WERR_NOT_SUPPORTED;
 959 }
 960
 961 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 962 {
 963         p->rng_fault_state = True;
 964         return WERR_NOT_SUPPORTED;
 965 }
 966
 967 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
 968 {
 969         p->rng_fault_state = True;
 970         return WERR_NOT_SUPPORTED;
 971 }
 972
 973 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
 974 {
 975         p->rng_fault_state = True;
 976         return WERR_NOT_SUPPORTED;
 977 }
 978
 979 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
 980 {
 981         p->rng_fault_state = True;
 982         return WERR_NOT_SUPPORTED;
 983 }
 984
 985 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
 986 {
 987         p->rng_fault_state = True;
 988         return WERR_NOT_SUPPORTED;
 989 }
 990
 991 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
 992 {
 993         p->rng_fault_state = True;
 994         return WERR_NOT_SUPPORTED;
 995 }
 996
 997 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
 998 {
 999         p->rng_fault_state = True;
1000         return WERR_NOT_SUPPORTED;
1001 }
1002
1003 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1004 {
1005         p->rng_fault_state = True;
1006         return WERR_NOT_SUPPORTED;
1007 }
1008
1009 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1010 {
1011         p->rng_fault_state = True;
1012         return WERR_NOT_SUPPORTED;
1013 }
1014
1015 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1016 {
1017         p->rng_fault_state = True;
1018         return WERR_NOT_SUPPORTED;
1019 }
1020
1021 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1022 {
1023         p->rng_fault_state = True;
1024         return WERR_NOT_SUPPORTED;
1025 }
1026
1027 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1028 {
1029         p->rng_fault_state = True;
1030         return WERR_NOT_SUPPORTED;
1031 }
1032
1033 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1034 {
1035         p->rng_fault_state = True;
1036         return WERR_NOT_SUPPORTED;
1037 }
1038
1039 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1040 {
1041         p->rng_fault_state = True;
1042         return WERR_NOT_SUPPORTED;
1043 }
1044
1045 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1046 {
1047         p->rng_fault_state = True;
1048         return WERR_NOT_SUPPORTED;
1049 }
1050
1051 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1052 {
1053         p->rng_fault_state = True;
1054         return WERR_NOT_SUPPORTED;
1055 }
1056
1057 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1058 {
1059         p->rng_fault_state = True;
1060         return WERR_NOT_SUPPORTED;
1061 }
1062
1063 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1064 {
1065         p->rng_fault_state = True;
1066         return WERR_NOT_SUPPORTED;
1067 }
1068
1069 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1070 {
1071         p->rng_fault_state = True;
1072         return WERR_NOT_SUPPORTED;
1073 }
1074
1075 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p, struct svcctl_QueryServiceConfig2W *r)
1076 {
1077         p->rng_fault_state = True;
1078         return WERR_NOT_SUPPORTED;
1079 }
1080
1081 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p, struct svcctl_QueryServiceStatusEx *r)
1082 {
1083         p->rng_fault_state = True;
1084         return WERR_NOT_SUPPORTED;
1085 }
1086
1087 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1088 {
1089         p->rng_fault_state = True;
1090         return WERR_NOT_SUPPORTED;
1091 }
1092
1093 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1094 {
1095         p->rng_fault_state = True;
1096         return WERR_NOT_SUPPORTED;
1097 }
1098
1099 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1100 {
1101         p->rng_fault_state = True;
1102         return WERR_NOT_SUPPORTED;
1103 }
1104