source/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  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 3 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24 #include "includes.h"
  25
  26 #undef DBGC_CLASS
  27 #define DBGC_CLASS DBGC_RPC_SRV
  28
  29 struct service_control_op {
  30         const char *name;
  31         SERVICE_CONTROL_OPS *ops;
  32 };
  33
  34 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  35
  36 /* handle external services */
  37 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
  38
  39 /* builtin services (see service_db.c and services/svc_*.c */
  40 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
  41 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
  42 extern SERVICE_CONTROL_OPS winreg_svc_ops;
  43 extern SERVICE_CONTROL_OPS wins_svc_ops;
  44
  45 /* make sure this number patches the number of builtin
  46    SERVICE_CONTROL_OPS structure listed above */
  47
  48 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  49
  50 struct service_control_op *svcctl_ops;
  51
  52 static const struct generic_mapping scm_generic_map =
  53         { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
  54 static const struct generic_mapping svc_generic_map =
  55         { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
  56
  57
  58 /********************************************************************
  59 ********************************************************************/
  60
  61 bool init_service_op_table( void )
  62 {
  63         const char **service_list = lp_svcctl_list();
  64         int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_count( service_list );
  65         int i;
  66
  67         if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
  68                 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
  69                 return False;
  70         }
  71
  72         /* services listed in smb.conf get the rc.init interface */
  73
  74         for ( i=0; service_list && service_list[i]; i++ ) {
  75                 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
  76                 svcctl_ops[i].ops  = &rcinit_svc_ops;
  77         }
  78
  79         /* add builtin services */
  80
  81         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
  82         svcctl_ops[i].ops  = &spoolss_svc_ops;
  83         i++;
  84
  85         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
  86         svcctl_ops[i].ops  = &netlogon_svc_ops;
  87         i++;
  88
  89         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
  90         svcctl_ops[i].ops  = &winreg_svc_ops;
  91         i++;
  92
  93         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
  94         svcctl_ops[i].ops  = &wins_svc_ops;
  95         i++;
  96
  97         /* NULL terminate the array */
  98
  99         svcctl_ops[i].name = NULL;
 100         svcctl_ops[i].ops  = NULL;
 101
 102         return True;
 103 }
 104
 105 /********************************************************************
 106 ********************************************************************/
 107
 108 static struct service_control_op* find_service_by_name( const char *name )
 109 {
 110         int i;
 111
 112         for ( i=0; svcctl_ops[i].name; i++ ) {
 113                 if ( strequal( name, svcctl_ops[i].name ) )
 114                         return &svcctl_ops[i];
 115         }
 116
 117         return NULL;
 118 }
 119 /********************************************************************
 120 ********************************************************************/
 121
 122 static NTSTATUS svcctl_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token,
 123                                      uint32 access_desired, uint32 *access_granted )
 124 {
 125         NTSTATUS result;
 126
 127         if ( geteuid() == sec_initial_uid() ) {
 128                 DEBUG(5,("svcctl_access_check: using root's token\n"));
 129                 token = get_root_nt_token();
 130         }
 131
 132         se_access_check( sec_desc, token, access_desired, access_granted, &result );
 133
 134         return result;
 135 }
 136
 137 /********************************************************************
 138 ********************************************************************/
 139
 140 static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx )
 141 {
 142         SEC_ACE ace[2];
 143         SEC_ACCESS mask;
 144         size_t i = 0;
 145         SEC_DESC *sd;
 146         SEC_ACL *acl;
 147         size_t sd_size;
 148
 149         /* basic access for Everyone */
 150
 151         init_sec_access(&mask, SC_MANAGER_READ_ACCESS );
 152         init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 153
 154         /* Full Access 'BUILTIN\Administrators' */
 155
 156         init_sec_access(&mask,SC_MANAGER_ALL_ACCESS );
 157         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 158
 159
 160         /* create the security descriptor */
 161
 162         if ( !(acl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 163                 return NULL;
 164
 165         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
 166                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
 167                                   acl, &sd_size)) )
 168                 return NULL;
 169
 170         return sd;
 171 }
 172
 173 /******************************************************************
 174  free() function for REGISTRY_KEY
 175  *****************************************************************/
 176
 177 static void free_service_handle_info(void *ptr)
 178 {
 179         TALLOC_FREE( ptr );
 180 }
 181
 182 /******************************************************************
 183  Find a registry key handle and return a SERVICE_INFO
 184  *****************************************************************/
 185
 186 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, POLICY_HND *hnd)
 187 {
 188         SERVICE_INFO *service_info = NULL;
 189
 190         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
 191                 DEBUG(2,("find_service_info_by_hnd: handle not found"));
 192                 return NULL;
 193         }
 194
 195         return service_info;
 196 }
 197
 198 /******************************************************************
 199  *****************************************************************/
 200
 201 static WERROR create_open_service_handle( pipes_struct *p, POLICY_HND *handle, uint32 type,
 202                                           const char *service, uint32 access_granted )
 203 {
 204         SERVICE_INFO *info = NULL;
 205         WERROR result = WERR_OK;
 206         struct service_control_op *s_op;
 207
 208         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 209                 return WERR_NOMEM;
 210
 211         /* the Service Manager has a NULL name */
 212
 213         info->type = SVC_HANDLE_IS_SCM;
 214
 215         switch ( type ) {
 216         case SVC_HANDLE_IS_SCM:
 217                 info->type = SVC_HANDLE_IS_SCM;
 218                 break;
 219
 220         case SVC_HANDLE_IS_DBLOCK:
 221                 info->type = SVC_HANDLE_IS_DBLOCK;
 222                 break;
 223
 224         case SVC_HANDLE_IS_SERVICE:
 225                 info->type = SVC_HANDLE_IS_SERVICE;
 226
 227                 /* lookup the SERVICE_CONTROL_OPS */
 228
 229                 if ( !(s_op = find_service_by_name( service )) ) {
 230                         result = WERR_NO_SUCH_SERVICE;
 231                         goto done;
 232                 }
 233
 234                 info->ops = s_op->ops;
 235
 236                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 237                         result = WERR_NOMEM;
 238                         goto done;
 239                 }
 240                 break;
 241
 242         default:
 243                 result = WERR_NO_SUCH_SERVICE;
 244                 goto done;
 245         }
 246
 247         info->access_granted = access_granted;
 248
 249         /* store the SERVICE_INFO and create an open handle */
 250
 251         if ( !create_policy_hnd( p, handle, free_service_handle_info, info ) ) {
 252                 result = WERR_ACCESS_DENIED;
 253                 goto done;
 254         }
 255
 256 done:
 257         if ( !W_ERROR_IS_OK(result) )
 258                 free_service_handle_info( info );
 259
 260         return result;
 261 }
 262
 263 /********************************************************************
 264 ********************************************************************/
 265
 266 WERROR _svcctl_OpenSCManagerW(pipes_struct *p,
 267                               struct svcctl_OpenSCManagerW *r)
 268 {
 269         SEC_DESC *sec_desc;
 270         uint32 access_granted = 0;
 271         NTSTATUS status;
 272
 273         /* perform access checks */
 274
 275         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 276                 return WERR_NOMEM;
 277
 278         se_map_generic( &r->in.access_mask, &scm_generic_map );
 279         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, r->in.access_mask, &access_granted );
 280         if ( !NT_STATUS_IS_OK(status) )
 281                 return ntstatus_to_werror( status );
 282
 283         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 284 }
 285
 286 /********************************************************************
 287  _svcctl_OpenServiceW
 288 ********************************************************************/
 289
 290 WERROR _svcctl_OpenServiceW(pipes_struct *p,
 291                             struct svcctl_OpenServiceW *r)
 292 {
 293         SEC_DESC *sec_desc;
 294         uint32 access_granted = 0;
 295         NTSTATUS status;
 296         const char *service = NULL;
 297
 298         service = r->in.ServiceName;
 299         if (!service) {
 300                 return WERR_NOMEM;
 301         }
 302         DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
 303
 304         /* based on my tests you can open a service if you have a valid scm handle */
 305
 306         if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
 307                 return WERR_BADFID;
 308
 309         /* perform access checks.  Use the root token in order to ensure that we
 310            retrieve the security descriptor */
 311
 312         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 313                 return WERR_NOMEM;
 314
 315         se_map_generic( &r->in.access_mask, &svc_generic_map );
 316         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, r->in.access_mask, &access_granted );
 317         if ( !NT_STATUS_IS_OK(status) )
 318                 return ntstatus_to_werror( status );
 319
 320         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 321 }
 322
 323 /********************************************************************
 324 ********************************************************************/
 325
 326 WERROR _svcctl_CloseServiceHandle(pipes_struct *p, struct svcctl_CloseServiceHandle *r)
 327 {
 328         if ( !close_policy_hnd( p, r->in.handle ) )
 329                 return  WERR_BADFID;
 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, p->pipe_user.nt_user_token );
 353         if (!display_name) {
 354                 display_name = "";
 355         }
 356
 357         *r->out.display_name = display_name;
 358         *r->out.display_name_length = strlen(display_name);
 359
 360         return WERR_OK;
 361 }
 362
 363 /********************************************************************
 364 ********************************************************************/
 365
 366 WERROR _svcctl_query_status(pipes_struct *p, SVCCTL_Q_QUERY_STATUS *q_u, SVCCTL_R_QUERY_STATUS *r_u)
 367 {
 368         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 369
 370         /* perform access checks */
 371
 372         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 373                 return WERR_BADFID;
 374
 375         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 376                 return WERR_ACCESS_DENIED;
 377
 378         /* try the service specific status call */
 379
 380         return info->ops->service_status( info->name, &r_u->svc_status );
 381 }
 382
 383 /********************************************************************
 384 ********************************************************************/
 385
 386 static int enumerate_status( TALLOC_CTX *ctx, ENUM_SERVICES_STATUS **status, NT_USER_TOKEN *token )
 387 {
 388         int num_services = 0;
 389         int i;
 390         ENUM_SERVICES_STATUS *st;
 391         const char *display_name;
 392
 393         /* just count */
 394         while ( svcctl_ops[num_services].name )
 395                 num_services++;
 396
 397         if ( !(st = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) ) {
 398                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 399                 return -1;
 400         }
 401
 402         for ( i=0; i<num_services; i++ ) {
 403                 init_unistr( &st[i].servicename, svcctl_ops[i].name );
 404
 405                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 406                 init_unistr( &st[i].displayname, display_name ? display_name : "");
 407
 408                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 409         }
 410
 411         *status = st;
 412
 413         return num_services;
 414 }
 415
 416 /********************************************************************
 417 ********************************************************************/
 418
 419 WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u)
 420 {
 421         ENUM_SERVICES_STATUS *services = NULL;
 422         int num_services;
 423         int i = 0;
 424         size_t buffer_size = 0;
 425         WERROR result = WERR_OK;
 426         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 427         NT_USER_TOKEN *token = p->pipe_user.nt_user_token;
 428
 429         /* perform access checks */
 430
 431         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 432                 return WERR_BADFID;
 433
 434         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 435                 return WERR_ACCESS_DENIED;
 436         }
 437
 438         num_services = enumerate_status( p->mem_ctx, &services, token );
 439         if (num_services == -1 ) {
 440                 return WERR_NOMEM;
 441         }
 442
 443         for ( i=0; i<num_services; i++ ) {
 444                 buffer_size += svcctl_sizeof_enum_services_status(&services[i]);
 445         }
 446
 447         buffer_size += buffer_size % 4;
 448
 449         if (buffer_size > q_u->buffer_size ) {
 450                 num_services = 0;
 451                 result = WERR_MORE_DATA;
 452         }
 453
 454         rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx);
 455
 456         if ( W_ERROR_IS_OK(result) ) {
 457                 for ( i=0; i<num_services; i++ )
 458                         svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 );
 459         }
 460
 461         r_u->needed      = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 462         r_u->returned    = (uint32)num_services;
 463
 464         if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) )
 465                 return WERR_NOMEM;
 466
 467         *r_u->resume = 0x0;
 468
 469         return result;
 470 }
 471
 472 /********************************************************************
 473 ********************************************************************/
 474
 475 WERROR _svcctl_start_service(pipes_struct *p, SVCCTL_Q_START_SERVICE *q_u, SVCCTL_R_START_SERVICE *r_u)
 476 {
 477         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 478
 479         /* perform access checks */
 480
 481         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 482                 return WERR_BADFID;
 483
 484         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 485                 return WERR_ACCESS_DENIED;
 486
 487         return info->ops->start_service( info->name );
 488 }
 489
 490 /********************************************************************
 491 ********************************************************************/
 492
 493 WERROR _svcctl_control_service(pipes_struct *p, SVCCTL_Q_CONTROL_SERVICE *q_u, SVCCTL_R_CONTROL_SERVICE *r_u)
 494 {
 495         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 496
 497         /* perform access checks */
 498
 499         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 500                 return WERR_BADFID;
 501
 502         switch ( q_u->control ) {
 503         case SVCCTL_CONTROL_STOP:
 504                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 505                         return WERR_ACCESS_DENIED;
 506
 507                 return info->ops->stop_service( info->name, &r_u->svc_status );
 508
 509         case SVCCTL_CONTROL_INTERROGATE:
 510                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 511                         return WERR_ACCESS_DENIED;
 512
 513                 return info->ops->service_status( info->name, &r_u->svc_status );
 514         }
 515
 516         /* default control action */
 517
 518         return WERR_ACCESS_DENIED;
 519 }
 520
 521 /********************************************************************
 522 ********************************************************************/
 523
 524 WERROR _svcctl_enum_dependent_services( pipes_struct *p, SVCCTL_Q_ENUM_DEPENDENT_SERVICES *q_u, SVCCTL_R_ENUM_DEPENDENT_SERVICES *r_u )
 525 {
 526         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 527
 528         /* perform access checks */
 529
 530         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 531                 return WERR_BADFID;
 532
 533         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 534                 return WERR_ACCESS_DENIED;
 535
 536         /* we have to set the outgoing buffer size to the same as the
 537            incoming buffer size (even in the case of failure */
 538
 539         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 540
 541         r_u->needed      = q_u->buffer_size;
 542
 543         /* no dependent services...basically a stub function */
 544         r_u->returned    = 0;
 545
 546         return WERR_OK;
 547 }
 548
 549 /********************************************************************
 550 ********************************************************************/
 551
 552 WERROR _svcctl_query_service_status_ex( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_STATUSEX *q_u, SVCCTL_R_QUERY_SERVICE_STATUSEX *r_u )
 553 {
 554         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 555         uint32 buffer_size;
 556
 557         /* perform access checks */
 558
 559         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 560                 return WERR_BADFID;
 561
 562         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 563                 return WERR_ACCESS_DENIED;
 564
 565         /* we have to set the outgoing buffer size to the same as the
 566            incoming buffer size (even in the case of failure) */
 567
 568         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 569         r_u->needed = q_u->buffer_size;
 570
 571         switch ( q_u->level ) {
 572                 case SVC_STATUS_PROCESS_INFO:
 573                 {
 574                         SERVICE_STATUS_PROCESS svc_stat_proc;
 575
 576                         /* Get the status of the service.. */
 577                         info->ops->service_status( info->name, &svc_stat_proc.status );
 578                         svc_stat_proc.process_id     = sys_getpid();
 579                         svc_stat_proc.service_flags  = 0x0;
 580
 581                         svcctl_io_service_status_process( "", &svc_stat_proc, &r_u->buffer, 0 );
 582                         buffer_size = sizeof(SERVICE_STATUS_PROCESS);
 583                         break;
 584                 }
 585
 586                 default:
 587                         return WERR_UNKNOWN_LEVEL;
 588         }
 589
 590
 591         buffer_size += buffer_size % 4;
 592         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 593
 594         if (buffer_size > q_u->buffer_size )
 595                 return WERR_MORE_DATA;
 596
 597         return WERR_OK;
 598 }
 599
 600 /********************************************************************
 601 ********************************************************************/
 602
 603 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name, SERVICE_CONFIG *config, NT_USER_TOKEN *token )
 604 {
 605         REGVAL_CTR *values;
 606         REGISTRY_VALUE *val;
 607
 608         /* retrieve the registry values for this service */
 609
 610         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 611                 return WERR_REG_CORRUPT;
 612
 613         /* now fill in the individual values */
 614
 615         config->displayname = TALLOC_ZERO_P( ctx, UNISTR2 );
 616         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 617                 init_unistr2( config->displayname, regval_sz( val ), UNI_STR_TERMINATE );
 618         else
 619                 init_unistr2( config->displayname, name, UNI_STR_TERMINATE );
 620
 621         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 622                 config->startname = TALLOC_ZERO_P( ctx, UNISTR2 );
 623                 init_unistr2( config->startname, regval_sz( val ), UNI_STR_TERMINATE );
 624         }
 625
 626         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 627                 config->executablepath = TALLOC_ZERO_P( ctx, UNISTR2 );
 628                 init_unistr2( config->executablepath, regval_sz( val ), UNI_STR_TERMINATE );
 629         }
 630
 631         /* a few hard coded values */
 632         /* loadordergroup and dependencies are empty */
 633
 634         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 635         config->service_type     = SVCCTL_WIN32_OWN_PROC;
 636         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 637
 638         /* set the start type.  NetLogon and WINS are disabled to prevent
 639            the client from showing the "Start" button (if of course the services
 640            are not running */
 641
 642         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 643                 config->start_type = SVCCTL_DISABLED;
 644         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 645                 config->start_type = SVCCTL_DISABLED;
 646         else
 647                 config->start_type = SVCCTL_DEMAND_START;
 648
 649
 650         TALLOC_FREE( values );
 651
 652         return WERR_OK;
 653 }
 654
 655 /********************************************************************
 656 ********************************************************************/
 657
 658 WERROR _svcctl_query_service_config( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG *r_u )
 659 {
 660         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 661         uint32 buffer_size;
 662         WERROR wresult;
 663
 664         /* perform access checks */
 665
 666         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 667                 return WERR_BADFID;
 668
 669         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 670                 return WERR_ACCESS_DENIED;
 671
 672         /* we have to set the outgoing buffer size to the same as the
 673            incoming buffer size (even in the case of failure */
 674
 675         r_u->needed      = q_u->buffer_size;
 676
 677         wresult = fill_svc_config( p->mem_ctx, info->name, &r_u->config, p->pipe_user.nt_user_token );
 678         if ( !W_ERROR_IS_OK(wresult) )
 679                 return wresult;
 680
 681         buffer_size = svcctl_sizeof_service_config( &r_u->config );
 682         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 683
 684         if (buffer_size > q_u->buffer_size ) {
 685                 ZERO_STRUCTP( &r_u->config );
 686                 return WERR_INSUFFICIENT_BUFFER;
 687         }
 688
 689         return WERR_OK;
 690 }
 691
 692 /********************************************************************
 693 ********************************************************************/
 694
 695 WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u )
 696 {
 697         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 698         uint32 buffer_size;
 699
 700         /* perform access checks */
 701
 702         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 703                 return WERR_BADFID;
 704
 705         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 706                 return WERR_ACCESS_DENIED;
 707
 708         /* we have to set the outgoing buffer size to the same as the
 709            incoming buffer size (even in the case of failure */
 710
 711         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 712         r_u->needed = q_u->buffer_size;
 713
 714         switch ( q_u->level ) {
 715         case SERVICE_CONFIG_DESCRIPTION:
 716                 {
 717                         SERVICE_DESCRIPTION desc_buf;
 718                         const char *description;
 719
 720                         description = svcctl_lookup_description(p->mem_ctx, info->name, p->pipe_user.nt_user_token );
 721
 722                         ZERO_STRUCTP( &desc_buf );
 723
 724                         init_service_description_buffer( &desc_buf, description ? description : "");
 725                         svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 );
 726                         buffer_size = svcctl_sizeof_service_description( &desc_buf );
 727
 728                         break;
 729                 }
 730                 break;
 731         case SERVICE_CONFIG_FAILURE_ACTIONS:
 732                 {
 733                         SERVICE_FAILURE_ACTIONS actions;
 734
 735                         /* nothing to say...just service the request */
 736
 737                         ZERO_STRUCTP( &actions );
 738                         svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 );
 739                         buffer_size = svcctl_sizeof_service_fa( &actions );
 740
 741                         break;
 742                 }
 743                 break;
 744
 745         default:
 746                 return WERR_UNKNOWN_LEVEL;
 747         }
 748
 749         buffer_size += buffer_size % 4;
 750         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 751
 752         if (buffer_size > q_u->buffer_size )
 753                 return WERR_INSUFFICIENT_BUFFER;
 754
 755         return WERR_OK;
 756 }
 757
 758 /********************************************************************
 759 ********************************************************************/
 760
 761 WERROR _svcctl_lock_service_db( pipes_struct *p, SVCCTL_Q_LOCK_SERVICE_DB *q_u, SVCCTL_R_LOCK_SERVICE_DB *r_u )
 762 {
 763         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 764
 765         /* perform access checks */
 766
 767         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 768                 return WERR_BADFID;
 769
 770         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 771                 return WERR_ACCESS_DENIED;
 772
 773         /* Just open a handle.  Doesn't actually lock anything */
 774
 775         return create_open_service_handle( p, &r_u->h_lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 776 ;
 777 }
 778
 779 /********************************************************************
 780 ********************************************************************/
 781
 782 WERROR _svcctl_unlock_service_db( pipes_struct *p, SVCCTL_Q_UNLOCK_SERVICE_DB *q_u, SVCCTL_R_UNLOCK_SERVICE_DB *r_u )
 783 {
 784         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->h_lock );
 785
 786
 787         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 788                 return WERR_BADFID;
 789
 790         return close_policy_hnd( p, &q_u->h_lock) ? WERR_OK : WERR_BADFID;
 791 }
 792
 793 /********************************************************************
 794 ********************************************************************/
 795
 796 WERROR _svcctl_query_service_sec( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_SEC *q_u, SVCCTL_R_QUERY_SERVICE_SEC *r_u )
 797 {
 798         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 799         SEC_DESC *sec_desc;
 800
 801
 802         /* only support the SCM and individual services */
 803
 804         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 805                 return WERR_BADFID;
 806
 807         /* check access reights (according to MSDN) */
 808
 809         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 810                 return WERR_ACCESS_DENIED;
 811
 812         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 813
 814         if ( (q_u->security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 815                 return WERR_INVALID_PARAM;
 816
 817         /* lookup the security descriptor and marshall it up for a reply */
 818
 819         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 820                 return WERR_NOMEM;
 821
 822         r_u->needed = ndr_size_security_descriptor( sec_desc, 0 );
 823
 824         if ( r_u->needed > q_u->buffer_size ) {
 825                 ZERO_STRUCTP( &r_u->buffer );
 826                 return WERR_INSUFFICIENT_BUFFER;
 827         }
 828
 829         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 830
 831         if ( !sec_io_desc("", &sec_desc, &r_u->buffer.prs, 0 ) )
 832                 return WERR_NOMEM;
 833
 834         return WERR_OK;
 835 }
 836
 837 /********************************************************************
 838 ********************************************************************/
 839
 840 WERROR _svcctl_set_service_sec( pipes_struct *p, SVCCTL_Q_SET_SERVICE_SEC *q_u, SVCCTL_R_SET_SERVICE_SEC *r_u )
 841 {
 842         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 843         SEC_DESC *sec_desc = NULL;
 844         uint32 required_access;
 845
 846         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 847                 return WERR_BADFID;
 848
 849         /* can't set the security de4scriptor on the ServiceControlManager */
 850
 851         if ( info->type == SVC_HANDLE_IS_SCM )
 852                 return WERR_ACCESS_DENIED;
 853
 854         /* check the access on the open handle */
 855
 856         switch ( q_u->security_flags ) {
 857                 case DACL_SECURITY_INFORMATION:
 858                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 859                         break;
 860
 861                 case OWNER_SECURITY_INFORMATION:
 862                 case GROUP_SECURITY_INFORMATION:
 863                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 864                         break;
 865
 866                 case SACL_SECURITY_INFORMATION:
 867                         return WERR_INVALID_PARAM;
 868                 default:
 869                         return WERR_INVALID_PARAM;
 870         }
 871
 872         if ( !(info->access_granted & required_access) )
 873                 return WERR_ACCESS_DENIED;
 874
 875         /* read the security descfriptor */
 876
 877         if ( !sec_io_desc("", &sec_desc, &q_u->buffer.prs, 0 ) )
 878                 return WERR_NOMEM;
 879
 880         /* store the new SD */
 881
 882         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc, p->pipe_user.nt_user_token ) )
 883                 return WERR_ACCESS_DENIED;
 884
 885         return WERR_OK;
 886 }
 887
 888
 889 WERROR _svcctl_ControlService(pipes_struct *p, struct svcctl_ControlService *r)
 890 {
 891         p->rng_fault_state = True;
 892         return WERR_NOT_SUPPORTED;
 893 }
 894
 895 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 896 {
 897         p->rng_fault_state = True;
 898         return WERR_NOT_SUPPORTED;
 899 }
 900
 901 WERROR _svcctl_LockServiceDatabase(pipes_struct *p, struct svcctl_LockServiceDatabase *r)
 902 {
 903         p->rng_fault_state = True;
 904         return WERR_NOT_SUPPORTED;
 905 }
 906
 907 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p, struct svcctl_QueryServiceObjectSecurity *r)
 908 {
 909         p->rng_fault_state = True;
 910         return WERR_NOT_SUPPORTED;
 911 }
 912
 913 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p, struct svcctl_SetServiceObjectSecurity *r)
 914 {
 915         p->rng_fault_state = True;
 916         return WERR_NOT_SUPPORTED;
 917 }
 918
 919 WERROR _svcctl_QueryServiceStatus(pipes_struct *p, struct svcctl_QueryServiceStatus *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_UnlockServiceDatabase(pipes_struct *p, struct svcctl_UnlockServiceDatabase *r)
 932 {
 933         p->rng_fault_state = True;
 934         return WERR_NOT_SUPPORTED;
 935 }
 936
 937 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 938 {
 939         p->rng_fault_state = True;
 940         return WERR_NOT_SUPPORTED;
 941 }
 942
 943 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 944 {
 945         p->rng_fault_state = True;
 946         return WERR_NOT_SUPPORTED;
 947 }
 948
 949 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 950 {
 951         p->rng_fault_state = True;
 952         return WERR_NOT_SUPPORTED;
 953 }
 954
 955 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 956 {
 957         p->rng_fault_state = True;
 958         return WERR_NOT_SUPPORTED;
 959 }
 960
 961 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p, struct svcctl_EnumDependentServicesW *r)
 962 {
 963         p->rng_fault_state = True;
 964         return WERR_NOT_SUPPORTED;
 965 }
 966
 967 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p, struct svcctl_EnumServicesStatusW *r)
 968 {
 969         p->rng_fault_state = True;
 970         return WERR_NOT_SUPPORTED;
 971 }
 972
 973 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p, struct svcctl_QueryServiceConfigW *r)
 974 {
 975         p->rng_fault_state = True;
 976         return WERR_NOT_SUPPORTED;
 977 }
 978
 979 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 980 {
 981         p->rng_fault_state = True;
 982         return WERR_NOT_SUPPORTED;
 983 }
 984
 985 WERROR _svcctl_StartServiceW(pipes_struct *p, struct svcctl_StartServiceW *r)
 986 {
 987         p->rng_fault_state = True;
 988         return WERR_NOT_SUPPORTED;
 989 }
 990
 991 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
 992 {
 993         p->rng_fault_state = True;
 994         return WERR_NOT_SUPPORTED;
 995 }
 996
 997 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
 998 {
 999         p->rng_fault_state = True;
1000         return WERR_NOT_SUPPORTED;
1001 }
1002
1003 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1004 {
1005         p->rng_fault_state = True;
1006         return WERR_NOT_SUPPORTED;
1007 }
1008
1009 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1010 {
1011         p->rng_fault_state = True;
1012         return WERR_NOT_SUPPORTED;
1013 }
1014
1015 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1016 {
1017         p->rng_fault_state = True;
1018         return WERR_NOT_SUPPORTED;
1019 }
1020
1021 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1022 {
1023         p->rng_fault_state = True;
1024         return WERR_NOT_SUPPORTED;
1025 }
1026
1027 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1028 {
1029         p->rng_fault_state = True;
1030         return WERR_NOT_SUPPORTED;
1031 }
1032
1033 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1034 {
1035         p->rng_fault_state = True;
1036         return WERR_NOT_SUPPORTED;
1037 }
1038
1039 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1040 {
1041         p->rng_fault_state = True;
1042         return WERR_NOT_SUPPORTED;
1043 }
1044
1045 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1046 {
1047         p->rng_fault_state = True;
1048         return WERR_NOT_SUPPORTED;
1049 }
1050
1051 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1052 {
1053         p->rng_fault_state = True;
1054         return WERR_NOT_SUPPORTED;
1055 }
1056
1057 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1058 {
1059         p->rng_fault_state = True;
1060         return WERR_NOT_SUPPORTED;
1061 }
1062
1063 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1064 {
1065         p->rng_fault_state = True;
1066         return WERR_NOT_SUPPORTED;
1067 }
1068
1069 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1070 {
1071         p->rng_fault_state = True;
1072         return WERR_NOT_SUPPORTED;
1073 }
1074
1075 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1076 {
1077         p->rng_fault_state = True;
1078         return WERR_NOT_SUPPORTED;
1079 }
1080
1081 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1082 {
1083         p->rng_fault_state = True;
1084         return WERR_NOT_SUPPORTED;
1085 }
1086
1087 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1088 {
1089         p->rng_fault_state = True;
1090         return WERR_NOT_SUPPORTED;
1091 }
1092
1093 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1094 {
1095         p->rng_fault_state = True;
1096         return WERR_NOT_SUPPORTED;
1097 }
1098
1099 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p, struct svcctl_QueryServiceConfig2W *r)
1100 {
1101         p->rng_fault_state = True;
1102         return WERR_NOT_SUPPORTED;
1103 }
1104
1105 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p, struct svcctl_QueryServiceStatusEx *r)
1106 {
1107         p->rng_fault_state = True;
1108         return WERR_NOT_SUPPORTED;
1109 }
1110
1111 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1112 {
1113         p->rng_fault_state = True;
1114         return WERR_NOT_SUPPORTED;
1115 }
1116
1117 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1118 {
1119         p->rng_fault_state = True;
1120         return WERR_NOT_SUPPORTED;
1121 }
1122
1123 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1124 {
1125         p->rng_fault_state = True;
1126         return WERR_NOT_SUPPORTED;
1127 }
1128