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\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  _svcctl_EnumDependentServicesW
 533 ********************************************************************/
 534
 535 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
 536                                       struct svcctl_EnumDependentServicesW *r)
 537 {
 538         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
 539
 540         /* perform access checks */
 541
 542         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 543                 return WERR_BADFID;
 544
 545         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 546                 return WERR_ACCESS_DENIED;
 547
 548         /* we have to set the outgoing buffer size to the same as the
 549            incoming buffer size (even in the case of failure */
 550         /* this is done in the autogenerated server already - gd */
 551
 552         *r->out.bytes_needed = r->in.buf_size;
 553
 554         /* no dependent services...basically a stub function */
 555         *r->out.services_returned = 0;
 556
 557         return WERR_OK;
 558 }
 559
 560 /********************************************************************
 561 ********************************************************************/
 562
 563 WERROR _svcctl_query_service_status_ex( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_STATUSEX *q_u, SVCCTL_R_QUERY_SERVICE_STATUSEX *r_u )
 564 {
 565         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 566         uint32 buffer_size;
 567
 568         /* perform access checks */
 569
 570         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 571                 return WERR_BADFID;
 572
 573         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 574                 return WERR_ACCESS_DENIED;
 575
 576         /* we have to set the outgoing buffer size to the same as the
 577            incoming buffer size (even in the case of failure) */
 578
 579         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 580         r_u->needed = q_u->buffer_size;
 581
 582         switch ( q_u->level ) {
 583                 case SVC_STATUS_PROCESS_INFO:
 584                 {
 585                         SERVICE_STATUS_PROCESS svc_stat_proc;
 586
 587                         /* Get the status of the service.. */
 588                         info->ops->service_status( info->name, &svc_stat_proc.status );
 589                         svc_stat_proc.process_id     = sys_getpid();
 590                         svc_stat_proc.service_flags  = 0x0;
 591
 592                         svcctl_io_service_status_process( "", &svc_stat_proc, &r_u->buffer, 0 );
 593                         buffer_size = sizeof(SERVICE_STATUS_PROCESS);
 594                         break;
 595                 }
 596
 597                 default:
 598                         return WERR_UNKNOWN_LEVEL;
 599         }
 600
 601
 602         buffer_size += buffer_size % 4;
 603         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 604
 605         if (buffer_size > q_u->buffer_size )
 606                 return WERR_MORE_DATA;
 607
 608         return WERR_OK;
 609 }
 610
 611 /********************************************************************
 612 ********************************************************************/
 613
 614 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name, SERVICE_CONFIG *config, NT_USER_TOKEN *token )
 615 {
 616         REGVAL_CTR *values;
 617         REGISTRY_VALUE *val;
 618
 619         /* retrieve the registry values for this service */
 620
 621         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 622                 return WERR_REG_CORRUPT;
 623
 624         /* now fill in the individual values */
 625
 626         config->displayname = TALLOC_ZERO_P( ctx, UNISTR2 );
 627         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 628                 init_unistr2( config->displayname, regval_sz( val ), UNI_STR_TERMINATE );
 629         else
 630                 init_unistr2( config->displayname, name, UNI_STR_TERMINATE );
 631
 632         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 633                 config->startname = TALLOC_ZERO_P( ctx, UNISTR2 );
 634                 init_unistr2( config->startname, regval_sz( val ), UNI_STR_TERMINATE );
 635         }
 636
 637         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 638                 config->executablepath = TALLOC_ZERO_P( ctx, UNISTR2 );
 639                 init_unistr2( config->executablepath, regval_sz( val ), UNI_STR_TERMINATE );
 640         }
 641
 642         /* a few hard coded values */
 643         /* loadordergroup and dependencies are empty */
 644
 645         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 646         config->service_type     = SVCCTL_WIN32_OWN_PROC;
 647         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 648
 649         /* set the start type.  NetLogon and WINS are disabled to prevent
 650            the client from showing the "Start" button (if of course the services
 651            are not running */
 652
 653         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 654                 config->start_type = SVCCTL_DISABLED;
 655         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 656                 config->start_type = SVCCTL_DISABLED;
 657         else
 658                 config->start_type = SVCCTL_DEMAND_START;
 659
 660
 661         TALLOC_FREE( values );
 662
 663         return WERR_OK;
 664 }
 665
 666 /********************************************************************
 667 ********************************************************************/
 668
 669 WERROR _svcctl_query_service_config( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG *r_u )
 670 {
 671         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 672         uint32 buffer_size;
 673         WERROR wresult;
 674
 675         /* perform access checks */
 676
 677         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 678                 return WERR_BADFID;
 679
 680         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 681                 return WERR_ACCESS_DENIED;
 682
 683         /* we have to set the outgoing buffer size to the same as the
 684            incoming buffer size (even in the case of failure */
 685
 686         r_u->needed      = q_u->buffer_size;
 687
 688         wresult = fill_svc_config( p->mem_ctx, info->name, &r_u->config, p->pipe_user.nt_user_token );
 689         if ( !W_ERROR_IS_OK(wresult) )
 690                 return wresult;
 691
 692         buffer_size = svcctl_sizeof_service_config( &r_u->config );
 693         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 694
 695         if (buffer_size > q_u->buffer_size ) {
 696                 ZERO_STRUCTP( &r_u->config );
 697                 return WERR_INSUFFICIENT_BUFFER;
 698         }
 699
 700         return WERR_OK;
 701 }
 702
 703 /********************************************************************
 704 ********************************************************************/
 705
 706 WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u )
 707 {
 708         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 709         uint32 buffer_size;
 710
 711         /* perform access checks */
 712
 713         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 714                 return WERR_BADFID;
 715
 716         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 717                 return WERR_ACCESS_DENIED;
 718
 719         /* we have to set the outgoing buffer size to the same as the
 720            incoming buffer size (even in the case of failure */
 721
 722         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 723         r_u->needed = q_u->buffer_size;
 724
 725         switch ( q_u->level ) {
 726         case SERVICE_CONFIG_DESCRIPTION:
 727                 {
 728                         SERVICE_DESCRIPTION desc_buf;
 729                         const char *description;
 730
 731                         description = svcctl_lookup_description(p->mem_ctx, info->name, p->pipe_user.nt_user_token );
 732
 733                         ZERO_STRUCTP( &desc_buf );
 734
 735                         init_service_description_buffer( &desc_buf, description ? description : "");
 736                         svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 );
 737                         buffer_size = svcctl_sizeof_service_description( &desc_buf );
 738
 739                         break;
 740                 }
 741                 break;
 742         case SERVICE_CONFIG_FAILURE_ACTIONS:
 743                 {
 744                         SERVICE_FAILURE_ACTIONS actions;
 745
 746                         /* nothing to say...just service the request */
 747
 748                         ZERO_STRUCTP( &actions );
 749                         svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 );
 750                         buffer_size = svcctl_sizeof_service_fa( &actions );
 751
 752                         break;
 753                 }
 754                 break;
 755
 756         default:
 757                 return WERR_UNKNOWN_LEVEL;
 758         }
 759
 760         buffer_size += buffer_size % 4;
 761         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 762
 763         if (buffer_size > q_u->buffer_size )
 764                 return WERR_INSUFFICIENT_BUFFER;
 765
 766         return WERR_OK;
 767 }
 768
 769 /********************************************************************
 770  _svcctl_LockServiceDatabase
 771 ********************************************************************/
 772
 773 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
 774                                    struct svcctl_LockServiceDatabase *r)
 775 {
 776         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 777
 778         /* perform access checks */
 779
 780         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 781                 return WERR_BADFID;
 782
 783         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 784                 return WERR_ACCESS_DENIED;
 785
 786         /* Just open a handle.  Doesn't actually lock anything */
 787
 788         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 789 }
 790
 791 /********************************************************************
 792  _svcctl_UnlockServiceDatabase
 793 ********************************************************************/
 794
 795 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
 796                                      struct svcctl_UnlockServiceDatabase *r)
 797 {
 798         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 799
 800
 801         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 802                 return WERR_BADFID;
 803
 804         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 805 }
 806
 807 /********************************************************************
 808  _svcctl_QueryServiceObjectSecurity
 809 ********************************************************************/
 810
 811 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
 812                                           struct svcctl_QueryServiceObjectSecurity *r)
 813 {
 814         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 815         SEC_DESC *sec_desc;
 816         NTSTATUS status;
 817         uint8_t *buffer = NULL;
 818         size_t len = 0;
 819
 820
 821         /* only support the SCM and individual services */
 822
 823         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 824                 return WERR_BADFID;
 825
 826         /* check access reights (according to MSDN) */
 827
 828         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 829                 return WERR_ACCESS_DENIED;
 830
 831         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 832
 833         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 834                 return WERR_INVALID_PARAM;
 835
 836         /* lookup the security descriptor and marshall it up for a reply */
 837
 838         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 839                 return WERR_NOMEM;
 840
 841         *r->out.needed = ndr_size_security_descriptor( sec_desc, 0 );
 842
 843         if ( *r->out.needed > r->in.buffer_size ) {
 844                 ZERO_STRUCTP( &r->out.buffer );
 845                 return WERR_INSUFFICIENT_BUFFER;
 846         }
 847
 848         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 849         if (!NT_STATUS_IS_OK(status)) {
 850                 return ntstatus_to_werror(status);
 851         }
 852
 853         *r->out.needed = len;
 854         r->out.buffer = buffer;
 855
 856         return WERR_OK;
 857 }
 858
 859 /********************************************************************
 860  _svcctl_SetServiceObjectSecurity
 861 ********************************************************************/
 862
 863 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
 864                                         struct svcctl_SetServiceObjectSecurity *r)
 865 {
 866         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 867         SEC_DESC *sec_desc = NULL;
 868         uint32 required_access;
 869         NTSTATUS status;
 870
 871         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 872                 return WERR_BADFID;
 873
 874         /* can't set the security de4scriptor on the ServiceControlManager */
 875
 876         if ( info->type == SVC_HANDLE_IS_SCM )
 877                 return WERR_ACCESS_DENIED;
 878
 879         /* check the access on the open handle */
 880
 881         switch ( r->in.security_flags ) {
 882                 case DACL_SECURITY_INFORMATION:
 883                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 884                         break;
 885
 886                 case OWNER_SECURITY_INFORMATION:
 887                 case GROUP_SECURITY_INFORMATION:
 888                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 889                         break;
 890
 891                 case SACL_SECURITY_INFORMATION:
 892                         return WERR_INVALID_PARAM;
 893                 default:
 894                         return WERR_INVALID_PARAM;
 895         }
 896
 897         if ( !(info->access_granted & required_access) )
 898                 return WERR_ACCESS_DENIED;
 899
 900         /* read the security descfriptor */
 901
 902         status = unmarshall_sec_desc(p->mem_ctx,
 903                                      r->in.buffer, r->in.buffer_size,
 904                                      &sec_desc);
 905         if (!NT_STATUS_IS_OK(status)) {
 906                 return ntstatus_to_werror(status);
 907         }
 908
 909         /* store the new SD */
 910
 911         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc, p->pipe_user.nt_user_token ) )
 912                 return WERR_ACCESS_DENIED;
 913
 914         return WERR_OK;
 915 }
 916
 917
 918 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 919 {
 920         p->rng_fault_state = True;
 921         return WERR_NOT_SUPPORTED;
 922 }
 923
 924 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 925 {
 926         p->rng_fault_state = True;
 927         return WERR_NOT_SUPPORTED;
 928 }
 929
 930 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 931 {
 932         p->rng_fault_state = True;
 933         return WERR_NOT_SUPPORTED;
 934 }
 935
 936 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 937 {
 938         p->rng_fault_state = True;
 939         return WERR_NOT_SUPPORTED;
 940 }
 941
 942 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 943 {
 944         p->rng_fault_state = True;
 945         return WERR_NOT_SUPPORTED;
 946 }
 947
 948 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 949 {
 950         p->rng_fault_state = True;
 951         return WERR_NOT_SUPPORTED;
 952 }
 953
 954 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p, struct svcctl_EnumServicesStatusW *r)
 955 {
 956         p->rng_fault_state = True;
 957         return WERR_NOT_SUPPORTED;
 958 }
 959
 960 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p, struct svcctl_QueryServiceConfigW *r)
 961 {
 962         p->rng_fault_state = True;
 963         return WERR_NOT_SUPPORTED;
 964 }
 965
 966 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 967 {
 968         p->rng_fault_state = True;
 969         return WERR_NOT_SUPPORTED;
 970 }
 971
 972 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
 973 {
 974         p->rng_fault_state = True;
 975         return WERR_NOT_SUPPORTED;
 976 }
 977
 978 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
 979 {
 980         p->rng_fault_state = True;
 981         return WERR_NOT_SUPPORTED;
 982 }
 983
 984 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
 985 {
 986         p->rng_fault_state = True;
 987         return WERR_NOT_SUPPORTED;
 988 }
 989
 990 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
 991 {
 992         p->rng_fault_state = True;
 993         return WERR_NOT_SUPPORTED;
 994 }
 995
 996 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
 997 {
 998         p->rng_fault_state = True;
 999         return WERR_NOT_SUPPORTED;
1000 }
1001
1002 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1003 {
1004         p->rng_fault_state = True;
1005         return WERR_NOT_SUPPORTED;
1006 }
1007
1008 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1009 {
1010         p->rng_fault_state = True;
1011         return WERR_NOT_SUPPORTED;
1012 }
1013
1014 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1015 {
1016         p->rng_fault_state = True;
1017         return WERR_NOT_SUPPORTED;
1018 }
1019
1020 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1021 {
1022         p->rng_fault_state = True;
1023         return WERR_NOT_SUPPORTED;
1024 }
1025
1026 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1027 {
1028         p->rng_fault_state = True;
1029         return WERR_NOT_SUPPORTED;
1030 }
1031
1032 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1033 {
1034         p->rng_fault_state = True;
1035         return WERR_NOT_SUPPORTED;
1036 }
1037
1038 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1039 {
1040         p->rng_fault_state = True;
1041         return WERR_NOT_SUPPORTED;
1042 }
1043
1044 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1045 {
1046         p->rng_fault_state = True;
1047         return WERR_NOT_SUPPORTED;
1048 }
1049
1050 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1051 {
1052         p->rng_fault_state = True;
1053         return WERR_NOT_SUPPORTED;
1054 }
1055
1056 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1057 {
1058         p->rng_fault_state = True;
1059         return WERR_NOT_SUPPORTED;
1060 }
1061
1062 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1063 {
1064         p->rng_fault_state = True;
1065         return WERR_NOT_SUPPORTED;
1066 }
1067
1068 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1069 {
1070         p->rng_fault_state = True;
1071         return WERR_NOT_SUPPORTED;
1072 }
1073
1074 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1075 {
1076         p->rng_fault_state = True;
1077         return WERR_NOT_SUPPORTED;
1078 }
1079
1080 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p, struct svcctl_QueryServiceConfig2W *r)
1081 {
1082         p->rng_fault_state = True;
1083         return WERR_NOT_SUPPORTED;
1084 }
1085
1086 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p, struct svcctl_QueryServiceStatusEx *r)
1087 {
1088         p->rng_fault_state = True;
1089         return WERR_NOT_SUPPORTED;
1090 }
1091
1092 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1093 {
1094         p->rng_fault_state = True;
1095         return WERR_NOT_SUPPORTED;
1096 }
1097
1098 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1099 {
1100         p->rng_fault_state = True;
1101         return WERR_NOT_SUPPORTED;
1102 }
1103
1104 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1105 {
1106         p->rng_fault_state = True;
1107         return WERR_NOT_SUPPORTED;
1108 }
1109