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\n"));
 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         ZERO_STRUCTP(r->out.handle);
 332
 333         return WERR_OK;
 334 }
 335
 336 /********************************************************************
 337  _svcctl_GetServiceDisplayNameW
 338 ********************************************************************/
 339
 340 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p,
 341                                       struct svcctl_GetServiceDisplayNameW *r)
 342 {
 343         const char *service;
 344         const char *display_name;
 345         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 346
 347         /* can only use an SCM handle here */
 348
 349         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 350                 return WERR_BADFID;
 351
 352         service = r->in.service_name;
 353
 354         display_name = svcctl_lookup_dispname(p->mem_ctx, service, p->pipe_user.nt_user_token );
 355         if (!display_name) {
 356                 display_name = "";
 357         }
 358
 359         *r->out.display_name = display_name;
 360         *r->out.display_name_length = strlen(display_name);
 361
 362         return WERR_OK;
 363 }
 364
 365 /********************************************************************
 366  _svcctl_QueryServiceStatus
 367 ********************************************************************/
 368
 369 WERROR _svcctl_QueryServiceStatus(pipes_struct *p,
 370                                   struct svcctl_QueryServiceStatus *r)
 371 {
 372         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 373
 374         /* perform access checks */
 375
 376         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 377                 return WERR_BADFID;
 378
 379         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 380                 return WERR_ACCESS_DENIED;
 381
 382         /* try the service specific status call */
 383
 384         return info->ops->service_status( info->name, r->out.service_status );
 385 }
 386
 387 /********************************************************************
 388 ********************************************************************/
 389
 390 static int enumerate_status( TALLOC_CTX *ctx, ENUM_SERVICES_STATUS **status, NT_USER_TOKEN *token )
 391 {
 392         int num_services = 0;
 393         int i;
 394         ENUM_SERVICES_STATUS *st;
 395         const char *display_name;
 396
 397         /* just count */
 398         while ( svcctl_ops[num_services].name )
 399                 num_services++;
 400
 401         if ( !(st = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) ) {
 402                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 403                 return -1;
 404         }
 405
 406         for ( i=0; i<num_services; i++ ) {
 407                 init_unistr( &st[i].servicename, svcctl_ops[i].name );
 408
 409                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 410                 init_unistr( &st[i].displayname, display_name ? display_name : "");
 411
 412                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 413         }
 414
 415         *status = st;
 416
 417         return num_services;
 418 }
 419
 420 /********************************************************************
 421 ********************************************************************/
 422
 423 WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u)
 424 {
 425         ENUM_SERVICES_STATUS *services = NULL;
 426         int num_services;
 427         int i = 0;
 428         size_t buffer_size = 0;
 429         WERROR result = WERR_OK;
 430         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 431         NT_USER_TOKEN *token = p->pipe_user.nt_user_token;
 432
 433         /* perform access checks */
 434
 435         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 436                 return WERR_BADFID;
 437
 438         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 439                 return WERR_ACCESS_DENIED;
 440         }
 441
 442         num_services = enumerate_status( p->mem_ctx, &services, token );
 443         if (num_services == -1 ) {
 444                 return WERR_NOMEM;
 445         }
 446
 447         for ( i=0; i<num_services; i++ ) {
 448                 buffer_size += svcctl_sizeof_enum_services_status(&services[i]);
 449         }
 450
 451         buffer_size += buffer_size % 4;
 452
 453         if (buffer_size > q_u->buffer_size ) {
 454                 num_services = 0;
 455                 result = WERR_MORE_DATA;
 456         }
 457
 458         rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx);
 459
 460         if ( W_ERROR_IS_OK(result) ) {
 461                 for ( i=0; i<num_services; i++ )
 462                         svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 );
 463         }
 464
 465         r_u->needed      = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 466         r_u->returned    = (uint32)num_services;
 467
 468         if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) )
 469                 return WERR_NOMEM;
 470
 471         *r_u->resume = 0x0;
 472
 473         return result;
 474 }
 475
 476 /********************************************************************
 477  _svcctl_StartServiceW
 478 ********************************************************************/
 479
 480 WERROR _svcctl_StartServiceW(pipes_struct *p,
 481                              struct svcctl_StartServiceW *r)
 482 {
 483         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 484
 485         /* perform access checks */
 486
 487         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 488                 return WERR_BADFID;
 489
 490         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 491                 return WERR_ACCESS_DENIED;
 492
 493         return info->ops->start_service( info->name );
 494 }
 495
 496 /********************************************************************
 497  _svcctl_ControlService
 498 ********************************************************************/
 499
 500 WERROR _svcctl_ControlService(pipes_struct *p,
 501                               struct svcctl_ControlService *r)
 502 {
 503         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 504
 505         /* perform access checks */
 506
 507         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 508                 return WERR_BADFID;
 509
 510         switch ( r->in.control ) {
 511         case SVCCTL_CONTROL_STOP:
 512                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 513                         return WERR_ACCESS_DENIED;
 514
 515                 return info->ops->stop_service( info->name,
 516                                                 r->out.service_status );
 517
 518         case SVCCTL_CONTROL_INTERROGATE:
 519                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 520                         return WERR_ACCESS_DENIED;
 521
 522                 return info->ops->service_status( info->name,
 523                                                   r->out.service_status );
 524         }
 525
 526         /* default control action */
 527
 528         return WERR_ACCESS_DENIED;
 529 }
 530
 531 /********************************************************************
 532 ********************************************************************/
 533
 534 WERROR _svcctl_enum_dependent_services( pipes_struct *p, SVCCTL_Q_ENUM_DEPENDENT_SERVICES *q_u, SVCCTL_R_ENUM_DEPENDENT_SERVICES *r_u )
 535 {
 536         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 537
 538         /* perform access checks */
 539
 540         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 541                 return WERR_BADFID;
 542
 543         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 544                 return WERR_ACCESS_DENIED;
 545
 546         /* we have to set the outgoing buffer size to the same as the
 547            incoming buffer size (even in the case of failure */
 548
 549         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 550
 551         r_u->needed      = q_u->buffer_size;
 552
 553         /* no dependent services...basically a stub function */
 554         r_u->returned    = 0;
 555
 556         return WERR_OK;
 557 }
 558
 559 /********************************************************************
 560 ********************************************************************/
 561
 562 WERROR _svcctl_query_service_status_ex( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_STATUSEX *q_u, SVCCTL_R_QUERY_SERVICE_STATUSEX *r_u )
 563 {
 564         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 565         uint32 buffer_size;
 566
 567         /* perform access checks */
 568
 569         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 570                 return WERR_BADFID;
 571
 572         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 573                 return WERR_ACCESS_DENIED;
 574
 575         /* we have to set the outgoing buffer size to the same as the
 576            incoming buffer size (even in the case of failure) */
 577
 578         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 579         r_u->needed = q_u->buffer_size;
 580
 581         switch ( q_u->level ) {
 582                 case SVC_STATUS_PROCESS_INFO:
 583                 {
 584                         SERVICE_STATUS_PROCESS svc_stat_proc;
 585
 586                         /* Get the status of the service.. */
 587                         info->ops->service_status( info->name, &svc_stat_proc.status );
 588                         svc_stat_proc.process_id     = sys_getpid();
 589                         svc_stat_proc.service_flags  = 0x0;
 590
 591                         svcctl_io_service_status_process( "", &svc_stat_proc, &r_u->buffer, 0 );
 592                         buffer_size = sizeof(SERVICE_STATUS_PROCESS);
 593                         break;
 594                 }
 595
 596                 default:
 597                         return WERR_UNKNOWN_LEVEL;
 598         }
 599
 600
 601         buffer_size += buffer_size % 4;
 602         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 603
 604         if (buffer_size > q_u->buffer_size )
 605                 return WERR_MORE_DATA;
 606
 607         return WERR_OK;
 608 }
 609
 610 /********************************************************************
 611 ********************************************************************/
 612
 613 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name, SERVICE_CONFIG *config, 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         config->displayname = TALLOC_ZERO_P( ctx, UNISTR2 );
 626         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 627                 init_unistr2( config->displayname, regval_sz( val ), UNI_STR_TERMINATE );
 628         else
 629                 init_unistr2( config->displayname, name, UNI_STR_TERMINATE );
 630
 631         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 632                 config->startname = TALLOC_ZERO_P( ctx, UNISTR2 );
 633                 init_unistr2( config->startname, regval_sz( val ), UNI_STR_TERMINATE );
 634         }
 635
 636         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 637                 config->executablepath = TALLOC_ZERO_P( ctx, UNISTR2 );
 638                 init_unistr2( config->executablepath, regval_sz( val ), UNI_STR_TERMINATE );
 639         }
 640
 641         /* a few hard coded values */
 642         /* loadordergroup and dependencies are empty */
 643
 644         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 645         config->service_type     = SVCCTL_WIN32_OWN_PROC;
 646         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 647
 648         /* set the start type.  NetLogon and WINS are disabled to prevent
 649            the client from showing the "Start" button (if of course the services
 650            are not running */
 651
 652         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 653                 config->start_type = SVCCTL_DISABLED;
 654         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 655                 config->start_type = SVCCTL_DISABLED;
 656         else
 657                 config->start_type = SVCCTL_DEMAND_START;
 658
 659
 660         TALLOC_FREE( values );
 661
 662         return WERR_OK;
 663 }
 664
 665 /********************************************************************
 666 ********************************************************************/
 667
 668 WERROR _svcctl_query_service_config( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG *r_u )
 669 {
 670         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 671         uint32 buffer_size;
 672         WERROR wresult;
 673
 674         /* perform access checks */
 675
 676         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 677                 return WERR_BADFID;
 678
 679         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 680                 return WERR_ACCESS_DENIED;
 681
 682         /* we have to set the outgoing buffer size to the same as the
 683            incoming buffer size (even in the case of failure */
 684
 685         r_u->needed      = q_u->buffer_size;
 686
 687         wresult = fill_svc_config( p->mem_ctx, info->name, &r_u->config, p->pipe_user.nt_user_token );
 688         if ( !W_ERROR_IS_OK(wresult) )
 689                 return wresult;
 690
 691         buffer_size = svcctl_sizeof_service_config( &r_u->config );
 692         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 693
 694         if (buffer_size > q_u->buffer_size ) {
 695                 ZERO_STRUCTP( &r_u->config );
 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(p->mem_ctx, info->name, p->pipe_user.nt_user_token );
 731
 732                         ZERO_STRUCTP( &desc_buf );
 733
 734                         init_service_description_buffer( &desc_buf, description ? description : "");
 735                         svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 );
 736                         buffer_size = svcctl_sizeof_service_description( &desc_buf );
 737
 738                         break;
 739                 }
 740                 break;
 741         case SERVICE_CONFIG_FAILURE_ACTIONS:
 742                 {
 743                         SERVICE_FAILURE_ACTIONS actions;
 744
 745                         /* nothing to say...just service the request */
 746
 747                         ZERO_STRUCTP( &actions );
 748                         svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 );
 749                         buffer_size = svcctl_sizeof_service_fa( &actions );
 750
 751                         break;
 752                 }
 753                 break;
 754
 755         default:
 756                 return WERR_UNKNOWN_LEVEL;
 757         }
 758
 759         buffer_size += buffer_size % 4;
 760         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 761
 762         if (buffer_size > q_u->buffer_size )
 763                 return WERR_INSUFFICIENT_BUFFER;
 764
 765         return WERR_OK;
 766 }
 767
 768 /********************************************************************
 769  _svcctl_LockServiceDatabase
 770 ********************************************************************/
 771
 772 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
 773                                    struct svcctl_LockServiceDatabase *r)
 774 {
 775         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 776
 777         /* perform access checks */
 778
 779         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 780                 return WERR_BADFID;
 781
 782         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 783                 return WERR_ACCESS_DENIED;
 784
 785         /* Just open a handle.  Doesn't actually lock anything */
 786
 787         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 788 }
 789
 790 /********************************************************************
 791  _svcctl_UnlockServiceDatabase
 792 ********************************************************************/
 793
 794 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
 795                                      struct svcctl_UnlockServiceDatabase *r)
 796 {
 797         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 798
 799
 800         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 801                 return WERR_BADFID;
 802
 803         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 804 }
 805
 806 /********************************************************************
 807  _svcctl_QueryServiceObjectSecurity
 808 ********************************************************************/
 809
 810 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
 811                                           struct svcctl_QueryServiceObjectSecurity *r)
 812 {
 813         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 814         SEC_DESC *sec_desc;
 815         NTSTATUS status;
 816         uint8_t *buffer = NULL;
 817         size_t len = 0;
 818
 819
 820         /* only support the SCM and individual services */
 821
 822         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 823                 return WERR_BADFID;
 824
 825         /* check access reights (according to MSDN) */
 826
 827         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 828                 return WERR_ACCESS_DENIED;
 829
 830         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 831
 832         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 833                 return WERR_INVALID_PARAM;
 834
 835         /* lookup the security descriptor and marshall it up for a reply */
 836
 837         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 838                 return WERR_NOMEM;
 839
 840         *r->out.needed = ndr_size_security_descriptor( sec_desc, 0 );
 841
 842         if ( *r->out.needed > r->in.buffer_size ) {
 843                 ZERO_STRUCTP( &r->out.buffer );
 844                 return WERR_INSUFFICIENT_BUFFER;
 845         }
 846
 847         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 848         if (!NT_STATUS_IS_OK(status)) {
 849                 return ntstatus_to_werror(status);
 850         }
 851
 852         *r->out.needed = len;
 853         r->out.buffer = buffer;
 854
 855         return WERR_OK;
 856 }
 857
 858 /********************************************************************
 859  _svcctl_SetServiceObjectSecurity
 860 ********************************************************************/
 861
 862 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
 863                                         struct svcctl_SetServiceObjectSecurity *r)
 864 {
 865         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 866         SEC_DESC *sec_desc = NULL;
 867         uint32 required_access;
 868         NTSTATUS status;
 869
 870         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 871                 return WERR_BADFID;
 872
 873         /* can't set the security de4scriptor on the ServiceControlManager */
 874
 875         if ( info->type == SVC_HANDLE_IS_SCM )
 876                 return WERR_ACCESS_DENIED;
 877
 878         /* check the access on the open handle */
 879
 880         switch ( r->in.security_flags ) {
 881                 case DACL_SECURITY_INFORMATION:
 882                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 883                         break;
 884
 885                 case OWNER_SECURITY_INFORMATION:
 886                 case GROUP_SECURITY_INFORMATION:
 887                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 888                         break;
 889
 890                 case SACL_SECURITY_INFORMATION:
 891                         return WERR_INVALID_PARAM;
 892                 default:
 893                         return WERR_INVALID_PARAM;
 894         }
 895
 896         if ( !(info->access_granted & required_access) )
 897                 return WERR_ACCESS_DENIED;
 898
 899         /* read the security descfriptor */
 900
 901         status = unmarshall_sec_desc(p->mem_ctx,
 902                                      r->in.buffer, r->in.buffer_size,
 903                                      &sec_desc);
 904         if (!NT_STATUS_IS_OK(status)) {
 905                 return ntstatus_to_werror(status);
 906         }
 907
 908         /* store the new SD */
 909
 910         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc, p->pipe_user.nt_user_token ) )
 911                 return WERR_ACCESS_DENIED;
 912
 913         return WERR_OK;
 914 }
 915
 916
 917 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 918 {
 919         p->rng_fault_state = True;
 920         return WERR_NOT_SUPPORTED;
 921 }
 922
 923 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 924 {
 925         p->rng_fault_state = True;
 926         return WERR_NOT_SUPPORTED;
 927 }
 928
 929 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 930 {
 931         p->rng_fault_state = True;
 932         return WERR_NOT_SUPPORTED;
 933 }
 934
 935 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 936 {
 937         p->rng_fault_state = True;
 938         return WERR_NOT_SUPPORTED;
 939 }
 940
 941 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 942 {
 943         p->rng_fault_state = True;
 944         return WERR_NOT_SUPPORTED;
 945 }
 946
 947 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 948 {
 949         p->rng_fault_state = True;
 950         return WERR_NOT_SUPPORTED;
 951 }
 952
 953 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p, struct svcctl_EnumDependentServicesW *r)
 954 {
 955         p->rng_fault_state = True;
 956         return WERR_NOT_SUPPORTED;
 957 }
 958
 959 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p, struct svcctl_EnumServicesStatusW *r)
 960 {
 961         p->rng_fault_state = True;
 962         return WERR_NOT_SUPPORTED;
 963 }
 964
 965 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p, struct svcctl_QueryServiceConfigW *r)
 966 {
 967         p->rng_fault_state = True;
 968         return WERR_NOT_SUPPORTED;
 969 }
 970
 971 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 972 {
 973         p->rng_fault_state = True;
 974         return WERR_NOT_SUPPORTED;
 975 }
 976
 977 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
 978 {
 979         p->rng_fault_state = True;
 980         return WERR_NOT_SUPPORTED;
 981 }
 982
 983 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
 984 {
 985         p->rng_fault_state = True;
 986         return WERR_NOT_SUPPORTED;
 987 }
 988
 989 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
 990 {
 991         p->rng_fault_state = True;
 992         return WERR_NOT_SUPPORTED;
 993 }
 994
 995 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
 996 {
 997         p->rng_fault_state = True;
 998         return WERR_NOT_SUPPORTED;
 999 }
1000
1001 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1002 {
1003         p->rng_fault_state = True;
1004         return WERR_NOT_SUPPORTED;
1005 }
1006
1007 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1008 {
1009         p->rng_fault_state = True;
1010         return WERR_NOT_SUPPORTED;
1011 }
1012
1013 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1014 {
1015         p->rng_fault_state = True;
1016         return WERR_NOT_SUPPORTED;
1017 }
1018
1019 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1020 {
1021         p->rng_fault_state = True;
1022         return WERR_NOT_SUPPORTED;
1023 }
1024
1025 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1026 {
1027         p->rng_fault_state = True;
1028         return WERR_NOT_SUPPORTED;
1029 }
1030
1031 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1032 {
1033         p->rng_fault_state = True;
1034         return WERR_NOT_SUPPORTED;
1035 }
1036
1037 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1038 {
1039         p->rng_fault_state = True;
1040         return WERR_NOT_SUPPORTED;
1041 }
1042
1043 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1044 {
1045         p->rng_fault_state = True;
1046         return WERR_NOT_SUPPORTED;
1047 }
1048
1049 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1050 {
1051         p->rng_fault_state = True;
1052         return WERR_NOT_SUPPORTED;
1053 }
1054
1055 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1056 {
1057         p->rng_fault_state = True;
1058         return WERR_NOT_SUPPORTED;
1059 }
1060
1061 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1062 {
1063         p->rng_fault_state = True;
1064         return WERR_NOT_SUPPORTED;
1065 }
1066
1067 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1068 {
1069         p->rng_fault_state = True;
1070         return WERR_NOT_SUPPORTED;
1071 }
1072
1073 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1074 {
1075         p->rng_fault_state = True;
1076         return WERR_NOT_SUPPORTED;
1077 }
1078
1079 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1080 {
1081         p->rng_fault_state = True;
1082         return WERR_NOT_SUPPORTED;
1083 }
1084
1085 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p, struct svcctl_QueryServiceConfig2W *r)
1086 {
1087         p->rng_fault_state = True;
1088         return WERR_NOT_SUPPORTED;
1089 }
1090
1091 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p, struct svcctl_QueryServiceStatusEx *r)
1092 {
1093         p->rng_fault_state = True;
1094         return WERR_NOT_SUPPORTED;
1095 }
1096
1097 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1098 {
1099         p->rng_fault_state = True;
1100         return WERR_NOT_SUPPORTED;
1101 }
1102
1103 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1104 {
1105         p->rng_fault_state = True;
1106         return WERR_NOT_SUPPORTED;
1107 }
1108
1109 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1110 {
1111         p->rng_fault_state = True;
1112         return WERR_NOT_SUPPORTED;
1113 }
1114