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  *
  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  _svcctl_QueryServiceStatus
 365 ********************************************************************/
 366
 367 WERROR _svcctl_QueryServiceStatus(pipes_struct *p,
 368                                   struct svcctl_QueryServiceStatus *r)
 369 {
 370         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 371
 372         /* perform access checks */
 373
 374         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 375                 return WERR_BADFID;
 376
 377         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 378                 return WERR_ACCESS_DENIED;
 379
 380         /* try the service specific status call */
 381
 382         return info->ops->service_status( info->name, r->out.service_status );
 383 }
 384
 385 /********************************************************************
 386 ********************************************************************/
 387
 388 static int enumerate_status( TALLOC_CTX *ctx, ENUM_SERVICES_STATUS **status, NT_USER_TOKEN *token )
 389 {
 390         int num_services = 0;
 391         int i;
 392         ENUM_SERVICES_STATUS *st;
 393         const char *display_name;
 394
 395         /* just count */
 396         while ( svcctl_ops[num_services].name )
 397                 num_services++;
 398
 399         if ( !(st = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) ) {
 400                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 401                 return -1;
 402         }
 403
 404         for ( i=0; i<num_services; i++ ) {
 405                 init_unistr( &st[i].servicename, svcctl_ops[i].name );
 406
 407                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 408                 init_unistr( &st[i].displayname, display_name ? display_name : "");
 409
 410                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 411         }
 412
 413         *status = st;
 414
 415         return num_services;
 416 }
 417
 418 /********************************************************************
 419 ********************************************************************/
 420
 421 WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u)
 422 {
 423         ENUM_SERVICES_STATUS *services = NULL;
 424         int num_services;
 425         int i = 0;
 426         size_t buffer_size = 0;
 427         WERROR result = WERR_OK;
 428         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 429         NT_USER_TOKEN *token = p->pipe_user.nt_user_token;
 430
 431         /* perform access checks */
 432
 433         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 434                 return WERR_BADFID;
 435
 436         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 437                 return WERR_ACCESS_DENIED;
 438         }
 439
 440         num_services = enumerate_status( p->mem_ctx, &services, token );
 441         if (num_services == -1 ) {
 442                 return WERR_NOMEM;
 443         }
 444
 445         for ( i=0; i<num_services; i++ ) {
 446                 buffer_size += svcctl_sizeof_enum_services_status(&services[i]);
 447         }
 448
 449         buffer_size += buffer_size % 4;
 450
 451         if (buffer_size > q_u->buffer_size ) {
 452                 num_services = 0;
 453                 result = WERR_MORE_DATA;
 454         }
 455
 456         rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx);
 457
 458         if ( W_ERROR_IS_OK(result) ) {
 459                 for ( i=0; i<num_services; i++ )
 460                         svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 );
 461         }
 462
 463         r_u->needed      = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 464         r_u->returned    = (uint32)num_services;
 465
 466         if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) )
 467                 return WERR_NOMEM;
 468
 469         *r_u->resume = 0x0;
 470
 471         return result;
 472 }
 473
 474 /********************************************************************
 475  _svcctl_StartServiceW
 476 ********************************************************************/
 477
 478 WERROR _svcctl_StartServiceW(pipes_struct *p,
 479                              struct svcctl_StartServiceW *r)
 480 {
 481         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 482
 483         /* perform access checks */
 484
 485         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 486                 return WERR_BADFID;
 487
 488         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 489                 return WERR_ACCESS_DENIED;
 490
 491         return info->ops->start_service( info->name );
 492 }
 493
 494 /********************************************************************
 495  _svcctl_ControlService
 496 ********************************************************************/
 497
 498 WERROR _svcctl_ControlService(pipes_struct *p,
 499                               struct svcctl_ControlService *r)
 500 {
 501         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 502
 503         /* perform access checks */
 504
 505         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 506                 return WERR_BADFID;
 507
 508         switch ( r->in.control ) {
 509         case SVCCTL_CONTROL_STOP:
 510                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 511                         return WERR_ACCESS_DENIED;
 512
 513                 return info->ops->stop_service( info->name,
 514                                                 r->out.service_status );
 515
 516         case SVCCTL_CONTROL_INTERROGATE:
 517                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 518                         return WERR_ACCESS_DENIED;
 519
 520                 return info->ops->service_status( info->name,
 521                                                   r->out.service_status );
 522         }
 523
 524         /* default control action */
 525
 526         return WERR_ACCESS_DENIED;
 527 }
 528
 529 /********************************************************************
 530 ********************************************************************/
 531
 532 WERROR _svcctl_enum_dependent_services( pipes_struct *p, SVCCTL_Q_ENUM_DEPENDENT_SERVICES *q_u, SVCCTL_R_ENUM_DEPENDENT_SERVICES *r_u )
 533 {
 534         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 535
 536         /* perform access checks */
 537
 538         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 539                 return WERR_BADFID;
 540
 541         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 542                 return WERR_ACCESS_DENIED;
 543
 544         /* we have to set the outgoing buffer size to the same as the
 545            incoming buffer size (even in the case of failure */
 546
 547         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 548
 549         r_u->needed      = q_u->buffer_size;
 550
 551         /* no dependent services...basically a stub function */
 552         r_u->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, SERVICE_CONFIG *config, NT_USER_TOKEN *token )
 612 {
 613         REGVAL_CTR *values;
 614         REGISTRY_VALUE *val;
 615
 616         /* retrieve the registry values for this service */
 617
 618         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 619                 return WERR_REG_CORRUPT;
 620
 621         /* now fill in the individual values */
 622
 623         config->displayname = TALLOC_ZERO_P( ctx, UNISTR2 );
 624         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 625                 init_unistr2( config->displayname, regval_sz( val ), UNI_STR_TERMINATE );
 626         else
 627                 init_unistr2( config->displayname, name, UNI_STR_TERMINATE );
 628
 629         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 630                 config->startname = TALLOC_ZERO_P( ctx, UNISTR2 );
 631                 init_unistr2( config->startname, regval_sz( val ), UNI_STR_TERMINATE );
 632         }
 633
 634         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 635                 config->executablepath = TALLOC_ZERO_P( ctx, UNISTR2 );
 636                 init_unistr2( config->executablepath, regval_sz( val ), UNI_STR_TERMINATE );
 637         }
 638
 639         /* a few hard coded values */
 640         /* loadordergroup and dependencies are empty */
 641
 642         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 643         config->service_type     = SVCCTL_WIN32_OWN_PROC;
 644         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 645
 646         /* set the start type.  NetLogon and WINS are disabled to prevent
 647            the client from showing the "Start" button (if of course the services
 648            are not running */
 649
 650         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 651                 config->start_type = SVCCTL_DISABLED;
 652         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 653                 config->start_type = SVCCTL_DISABLED;
 654         else
 655                 config->start_type = SVCCTL_DEMAND_START;
 656
 657
 658         TALLOC_FREE( values );
 659
 660         return WERR_OK;
 661 }
 662
 663 /********************************************************************
 664 ********************************************************************/
 665
 666 WERROR _svcctl_query_service_config( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG *r_u )
 667 {
 668         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 669         uint32 buffer_size;
 670         WERROR wresult;
 671
 672         /* perform access checks */
 673
 674         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 675                 return WERR_BADFID;
 676
 677         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 678                 return WERR_ACCESS_DENIED;
 679
 680         /* we have to set the outgoing buffer size to the same as the
 681            incoming buffer size (even in the case of failure */
 682
 683         r_u->needed      = q_u->buffer_size;
 684
 685         wresult = fill_svc_config( p->mem_ctx, info->name, &r_u->config, p->pipe_user.nt_user_token );
 686         if ( !W_ERROR_IS_OK(wresult) )
 687                 return wresult;
 688
 689         buffer_size = svcctl_sizeof_service_config( &r_u->config );
 690         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 691
 692         if (buffer_size > q_u->buffer_size ) {
 693                 ZERO_STRUCTP( &r_u->config );
 694                 return WERR_INSUFFICIENT_BUFFER;
 695         }
 696
 697         return WERR_OK;
 698 }
 699
 700 /********************************************************************
 701 ********************************************************************/
 702
 703 WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u )
 704 {
 705         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 706         uint32 buffer_size;
 707
 708         /* perform access checks */
 709
 710         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 711                 return WERR_BADFID;
 712
 713         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 714                 return WERR_ACCESS_DENIED;
 715
 716         /* we have to set the outgoing buffer size to the same as the
 717            incoming buffer size (even in the case of failure */
 718
 719         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 720         r_u->needed = q_u->buffer_size;
 721
 722         switch ( q_u->level ) {
 723         case SERVICE_CONFIG_DESCRIPTION:
 724                 {
 725                         SERVICE_DESCRIPTION desc_buf;
 726                         const char *description;
 727
 728                         description = svcctl_lookup_description(p->mem_ctx, info->name, p->pipe_user.nt_user_token );
 729
 730                         ZERO_STRUCTP( &desc_buf );
 731
 732                         init_service_description_buffer( &desc_buf, description ? description : "");
 733                         svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 );
 734                         buffer_size = svcctl_sizeof_service_description( &desc_buf );
 735
 736                         break;
 737                 }
 738                 break;
 739         case SERVICE_CONFIG_FAILURE_ACTIONS:
 740                 {
 741                         SERVICE_FAILURE_ACTIONS actions;
 742
 743                         /* nothing to say...just service the request */
 744
 745                         ZERO_STRUCTP( &actions );
 746                         svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 );
 747                         buffer_size = svcctl_sizeof_service_fa( &actions );
 748
 749                         break;
 750                 }
 751                 break;
 752
 753         default:
 754                 return WERR_UNKNOWN_LEVEL;
 755         }
 756
 757         buffer_size += buffer_size % 4;
 758         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 759
 760         if (buffer_size > q_u->buffer_size )
 761                 return WERR_INSUFFICIENT_BUFFER;
 762
 763         return WERR_OK;
 764 }
 765
 766 /********************************************************************
 767  _svcctl_LockServiceDatabase
 768 ********************************************************************/
 769
 770 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
 771                                    struct svcctl_LockServiceDatabase *r)
 772 {
 773         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 774
 775         /* perform access checks */
 776
 777         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 778                 return WERR_BADFID;
 779
 780         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 781                 return WERR_ACCESS_DENIED;
 782
 783         /* Just open a handle.  Doesn't actually lock anything */
 784
 785         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 786 }
 787
 788 /********************************************************************
 789  _svcctl_UnlockServiceDatabase
 790 ********************************************************************/
 791
 792 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
 793                                      struct svcctl_UnlockServiceDatabase *r)
 794 {
 795         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 796
 797
 798         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 799                 return WERR_BADFID;
 800
 801         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 802 }
 803
 804 /********************************************************************
 805  _svcctl_QueryServiceObjectSecurity
 806 ********************************************************************/
 807
 808 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
 809                                           struct svcctl_QueryServiceObjectSecurity *r)
 810 {
 811         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 812         SEC_DESC *sec_desc;
 813         NTSTATUS status;
 814         uint8_t *buffer = NULL;
 815         size_t len = 0;
 816
 817
 818         /* only support the SCM and individual services */
 819
 820         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 821                 return WERR_BADFID;
 822
 823         /* check access reights (according to MSDN) */
 824
 825         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 826                 return WERR_ACCESS_DENIED;
 827
 828         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 829
 830         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 831                 return WERR_INVALID_PARAM;
 832
 833         /* lookup the security descriptor and marshall it up for a reply */
 834
 835         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 836                 return WERR_NOMEM;
 837
 838         *r->out.needed = ndr_size_security_descriptor( sec_desc, 0 );
 839
 840         if ( *r->out.needed > r->in.buffer_size ) {
 841                 ZERO_STRUCTP( &r->out.buffer );
 842                 return WERR_INSUFFICIENT_BUFFER;
 843         }
 844
 845         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 846         if (!NT_STATUS_IS_OK(status)) {
 847                 return ntstatus_to_werror(status);
 848         }
 849
 850         *r->out.needed = len;
 851         r->out.buffer = buffer;
 852
 853         return WERR_OK;
 854 }
 855
 856 /********************************************************************
 857 ********************************************************************/
 858
 859 WERROR _svcctl_set_service_sec( pipes_struct *p, SVCCTL_Q_SET_SERVICE_SEC *q_u, SVCCTL_R_SET_SERVICE_SEC *r_u )
 860 {
 861         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 862         SEC_DESC *sec_desc = NULL;
 863         uint32 required_access;
 864
 865         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 866                 return WERR_BADFID;
 867
 868         /* can't set the security de4scriptor on the ServiceControlManager */
 869
 870         if ( info->type == SVC_HANDLE_IS_SCM )
 871                 return WERR_ACCESS_DENIED;
 872
 873         /* check the access on the open handle */
 874
 875         switch ( q_u->security_flags ) {
 876                 case DACL_SECURITY_INFORMATION:
 877                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 878                         break;
 879
 880                 case OWNER_SECURITY_INFORMATION:
 881                 case GROUP_SECURITY_INFORMATION:
 882                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 883                         break;
 884
 885                 case SACL_SECURITY_INFORMATION:
 886                         return WERR_INVALID_PARAM;
 887                 default:
 888                         return WERR_INVALID_PARAM;
 889         }
 890
 891         if ( !(info->access_granted & required_access) )
 892                 return WERR_ACCESS_DENIED;
 893
 894         /* read the security descfriptor */
 895
 896         if ( !sec_io_desc("", &sec_desc, &q_u->buffer.prs, 0 ) )
 897                 return WERR_NOMEM;
 898
 899         /* store the new SD */
 900
 901         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc, p->pipe_user.nt_user_token ) )
 902                 return WERR_ACCESS_DENIED;
 903
 904         return WERR_OK;
 905 }
 906
 907
 908 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 909 {
 910         p->rng_fault_state = True;
 911         return WERR_NOT_SUPPORTED;
 912 }
 913
 914 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p, struct svcctl_SetServiceObjectSecurity *r)
 915 {
 916         p->rng_fault_state = True;
 917         return WERR_NOT_SUPPORTED;
 918 }
 919
 920 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 921 {
 922         p->rng_fault_state = True;
 923         return WERR_NOT_SUPPORTED;
 924 }
 925
 926 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 927 {
 928         p->rng_fault_state = True;
 929         return WERR_NOT_SUPPORTED;
 930 }
 931
 932 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 933 {
 934         p->rng_fault_state = True;
 935         return WERR_NOT_SUPPORTED;
 936 }
 937
 938 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 939 {
 940         p->rng_fault_state = True;
 941         return WERR_NOT_SUPPORTED;
 942 }
 943
 944 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 945 {
 946         p->rng_fault_state = True;
 947         return WERR_NOT_SUPPORTED;
 948 }
 949
 950 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p, struct svcctl_EnumDependentServicesW *r)
 951 {
 952         p->rng_fault_state = True;
 953         return WERR_NOT_SUPPORTED;
 954 }
 955
 956 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p, struct svcctl_EnumServicesStatusW *r)
 957 {
 958         p->rng_fault_state = True;
 959         return WERR_NOT_SUPPORTED;
 960 }
 961
 962 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p, struct svcctl_QueryServiceConfigW *r)
 963 {
 964         p->rng_fault_state = True;
 965         return WERR_NOT_SUPPORTED;
 966 }
 967
 968 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 969 {
 970         p->rng_fault_state = True;
 971         return WERR_NOT_SUPPORTED;
 972 }
 973
 974 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
 975 {
 976         p->rng_fault_state = True;
 977         return WERR_NOT_SUPPORTED;
 978 }
 979
 980 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
 981 {
 982         p->rng_fault_state = True;
 983         return WERR_NOT_SUPPORTED;
 984 }
 985
 986 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
 987 {
 988         p->rng_fault_state = True;
 989         return WERR_NOT_SUPPORTED;
 990 }
 991
 992 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
 993 {
 994         p->rng_fault_state = True;
 995         return WERR_NOT_SUPPORTED;
 996 }
 997
 998 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
 999 {
1000         p->rng_fault_state = True;
1001         return WERR_NOT_SUPPORTED;
1002 }
1003
1004 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1005 {
1006         p->rng_fault_state = True;
1007         return WERR_NOT_SUPPORTED;
1008 }
1009
1010 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1011 {
1012         p->rng_fault_state = True;
1013         return WERR_NOT_SUPPORTED;
1014 }
1015
1016 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1017 {
1018         p->rng_fault_state = True;
1019         return WERR_NOT_SUPPORTED;
1020 }
1021
1022 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1023 {
1024         p->rng_fault_state = True;
1025         return WERR_NOT_SUPPORTED;
1026 }
1027
1028 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1029 {
1030         p->rng_fault_state = True;
1031         return WERR_NOT_SUPPORTED;
1032 }
1033
1034 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1035 {
1036         p->rng_fault_state = True;
1037         return WERR_NOT_SUPPORTED;
1038 }
1039
1040 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1041 {
1042         p->rng_fault_state = True;
1043         return WERR_NOT_SUPPORTED;
1044 }
1045
1046 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1047 {
1048         p->rng_fault_state = True;
1049         return WERR_NOT_SUPPORTED;
1050 }
1051
1052 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1053 {
1054         p->rng_fault_state = True;
1055         return WERR_NOT_SUPPORTED;
1056 }
1057
1058 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1059 {
1060         p->rng_fault_state = True;
1061         return WERR_NOT_SUPPORTED;
1062 }
1063
1064 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1065 {
1066         p->rng_fault_state = True;
1067         return WERR_NOT_SUPPORTED;
1068 }
1069
1070 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1071 {
1072         p->rng_fault_state = True;
1073         return WERR_NOT_SUPPORTED;
1074 }
1075
1076 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1077 {
1078         p->rng_fault_state = True;
1079         return WERR_NOT_SUPPORTED;
1080 }
1081
1082 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p, struct svcctl_QueryServiceConfig2W *r)
1083 {
1084         p->rng_fault_state = True;
1085         return WERR_NOT_SUPPORTED;
1086 }
1087
1088 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p, struct svcctl_QueryServiceStatusEx *r)
1089 {
1090         p->rng_fault_state = True;
1091         return WERR_NOT_SUPPORTED;
1092 }
1093
1094 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1095 {
1096         p->rng_fault_state = True;
1097         return WERR_NOT_SUPPORTED;
1098 }
1099
1100 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1101 {
1102         p->rng_fault_state = True;
1103         return WERR_NOT_SUPPORTED;
1104 }
1105
1106 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1107 {
1108         p->rng_fault_state = True;
1109         return WERR_NOT_SUPPORTED;
1110 }
1111