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, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, acl, &sd_size)) )
 166                 return NULL;
 167
 168         return sd;
 169 }
 170
 171 /******************************************************************
 172  free() function for REGISTRY_KEY
 173  *****************************************************************/
 174
 175 static void free_service_handle_info(void *ptr)
 176 {
 177         TALLOC_FREE( ptr );
 178 }
 179
 180 /******************************************************************
 181  Find a registry key handle and return a SERVICE_INFO
 182  *****************************************************************/
 183
 184 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, POLICY_HND *hnd)
 185 {
 186         SERVICE_INFO *service_info = NULL;
 187
 188         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
 189                 DEBUG(2,("find_service_info_by_hnd: handle not found"));
 190                 return NULL;
 191         }
 192
 193         return service_info;
 194 }
 195
 196 /******************************************************************
 197  *****************************************************************/
 198
 199 static WERROR create_open_service_handle( pipes_struct *p, POLICY_HND *handle, uint32 type,
 200                                           const char *service, uint32 access_granted )
 201 {
 202         SERVICE_INFO *info = NULL;
 203         WERROR result = WERR_OK;
 204         struct service_control_op *s_op;
 205
 206         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 207                 return WERR_NOMEM;
 208
 209         /* the Service Manager has a NULL name */
 210
 211         info->type = SVC_HANDLE_IS_SCM;
 212
 213         switch ( type ) {
 214         case SVC_HANDLE_IS_SCM:
 215                 info->type = SVC_HANDLE_IS_SCM;
 216                 break;
 217
 218         case SVC_HANDLE_IS_DBLOCK:
 219                 info->type = SVC_HANDLE_IS_DBLOCK;
 220                 break;
 221
 222         case SVC_HANDLE_IS_SERVICE:
 223                 info->type = SVC_HANDLE_IS_SERVICE;
 224
 225                 /* lookup the SERVICE_CONTROL_OPS */
 226
 227                 if ( !(s_op = find_service_by_name( service )) ) {
 228                         result = WERR_NO_SUCH_SERVICE;
 229                         goto done;
 230                 }
 231
 232                 info->ops = s_op->ops;
 233
 234                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 235                         result = WERR_NOMEM;
 236                         goto done;
 237                 }
 238                 break;
 239
 240         default:
 241                 result = WERR_NO_SUCH_SERVICE;
 242                 goto done;
 243         }
 244
 245         info->access_granted = access_granted;
 246
 247         /* store the SERVICE_INFO and create an open handle */
 248
 249         if ( !create_policy_hnd( p, handle, free_service_handle_info, info ) ) {
 250                 result = WERR_ACCESS_DENIED;
 251                 goto done;
 252         }
 253
 254 done:
 255         if ( !W_ERROR_IS_OK(result) )
 256                 free_service_handle_info( info );
 257
 258         return result;
 259 }
 260
 261 /********************************************************************
 262 ********************************************************************/
 263
 264 WERROR _svcctl_open_scmanager(pipes_struct *p, SVCCTL_Q_OPEN_SCMANAGER *q_u, SVCCTL_R_OPEN_SCMANAGER *r_u)
 265 {
 266         SEC_DESC *sec_desc;
 267         uint32 access_granted = 0;
 268         NTSTATUS status;
 269
 270         /* perform access checks */
 271
 272         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 273                 return WERR_NOMEM;
 274
 275         se_map_generic( &q_u->access, &scm_generic_map );
 276         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, q_u->access, &access_granted );
 277         if ( !NT_STATUS_IS_OK(status) )
 278                 return ntstatus_to_werror( status );
 279
 280         return create_open_service_handle( p, &r_u->handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 281 }
 282
 283 /********************************************************************
 284 ********************************************************************/
 285
 286 WERROR _svcctl_open_service(pipes_struct *p, SVCCTL_Q_OPEN_SERVICE *q_u, SVCCTL_R_OPEN_SERVICE *r_u)
 287 {
 288         SEC_DESC *sec_desc;
 289         uint32 access_granted = 0;
 290         NTSTATUS status;
 291         char *service = NULL;
 292         size_t ret = rpcstr_pull_talloc(p->mem_ctx,
 293                                         &service,
 294                                         q_u->servicename.buffer,
 295                                         q_u->servicename.uni_str_len*2,
 296                                         0);
 297
 298         if (ret == (size_t)-1 || !service) {
 299                 return WERR_NOMEM;
 300         }
 301         DEBUG(5, ("_svcctl_open_service: Attempting to open Service [%s], \n", service));
 302
 303         /* based on my tests you can open a service if you have a valid scm handle */
 304
 305         if ( !find_service_info_by_hnd( p, &q_u->handle ) )
 306                 return WERR_BADFID;
 307
 308         /* perform access checks.  Use the root token in order to ensure that we
 309            retrieve the security descriptor */
 310
 311         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 312                 return WERR_NOMEM;
 313
 314         se_map_generic( &q_u->access, &svc_generic_map );
 315         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, q_u->access, &access_granted );
 316         if ( !NT_STATUS_IS_OK(status) )
 317                 return ntstatus_to_werror( status );
 318
 319         return create_open_service_handle( p, &r_u->handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 320 }
 321
 322 /********************************************************************
 323 ********************************************************************/
 324
 325 WERROR _svcctl_CloseServiceHandle(pipes_struct *p, struct svcctl_CloseServiceHandle *r)
 326 {
 327         if ( !close_policy_hnd( p, r->in.handle ) )
 328                 return  WERR_BADFID;
 329
 330         return WERR_OK;
 331 }
 332
 333 /********************************************************************
 334 ********************************************************************/
 335
 336 WERROR _svcctl_get_display_name(pipes_struct *p, SVCCTL_Q_GET_DISPLAY_NAME *q_u, SVCCTL_R_GET_DISPLAY_NAME *r_u)
 337 {
 338         fstring service;
 339         const char *display_name;
 340         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 341
 342         /* can only use an SCM handle here */
 343
 344         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 345                 return WERR_BADFID;
 346
 347         rpcstr_pull(service, q_u->servicename.buffer, sizeof(service), q_u->servicename.uni_str_len*2, 0);
 348
 349         display_name = svcctl_lookup_dispname(p->mem_ctx, service, p->pipe_user.nt_user_token );
 350         init_svcctl_r_get_display_name( r_u, display_name ? display_name : "");
 351
 352         return WERR_OK;
 353 }
 354
 355 /********************************************************************
 356 ********************************************************************/
 357
 358 WERROR _svcctl_query_status(pipes_struct *p, SVCCTL_Q_QUERY_STATUS *q_u, SVCCTL_R_QUERY_STATUS *r_u)
 359 {
 360         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 361
 362         /* perform access checks */
 363
 364         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 365                 return WERR_BADFID;
 366
 367         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 368                 return WERR_ACCESS_DENIED;
 369
 370         /* try the service specific status call */
 371
 372         return info->ops->service_status( info->name, &r_u->svc_status );
 373 }
 374
 375 /********************************************************************
 376 ********************************************************************/
 377
 378 static int enumerate_status( TALLOC_CTX *ctx, ENUM_SERVICES_STATUS **status, NT_USER_TOKEN *token )
 379 {
 380         int num_services = 0;
 381         int i;
 382         ENUM_SERVICES_STATUS *st;
 383         const char *display_name;
 384
 385         /* just count */
 386         while ( svcctl_ops[num_services].name )
 387                 num_services++;
 388
 389         if ( !(st = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) ) {
 390                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 391                 return -1;
 392         }
 393
 394         for ( i=0; i<num_services; i++ ) {
 395                 init_unistr( &st[i].servicename, svcctl_ops[i].name );
 396
 397                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 398                 init_unistr( &st[i].displayname, display_name ? display_name : "");
 399
 400                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 401         }
 402
 403         *status = st;
 404
 405         return num_services;
 406 }
 407
 408 /********************************************************************
 409 ********************************************************************/
 410
 411 WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u)
 412 {
 413         ENUM_SERVICES_STATUS *services = NULL;
 414         int num_services;
 415         int i = 0;
 416         size_t buffer_size = 0;
 417         WERROR result = WERR_OK;
 418         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 419         NT_USER_TOKEN *token = p->pipe_user.nt_user_token;
 420
 421         /* perform access checks */
 422
 423         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 424                 return WERR_BADFID;
 425
 426         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 427                 return WERR_ACCESS_DENIED;
 428         }
 429
 430         num_services = enumerate_status( p->mem_ctx, &services, token );
 431         if (num_services == -1 ) {
 432                 return WERR_NOMEM;
 433         }
 434
 435         for ( i=0; i<num_services; i++ ) {
 436                 buffer_size += svcctl_sizeof_enum_services_status(&services[i]);
 437         }
 438
 439         buffer_size += buffer_size % 4;
 440
 441         if (buffer_size > q_u->buffer_size ) {
 442                 num_services = 0;
 443                 result = WERR_MORE_DATA;
 444         }
 445
 446         rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx);
 447
 448         if ( W_ERROR_IS_OK(result) ) {
 449                 for ( i=0; i<num_services; i++ )
 450                         svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 );
 451         }
 452
 453         r_u->needed      = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 454         r_u->returned    = (uint32)num_services;
 455
 456         if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) )
 457                 return WERR_NOMEM;
 458
 459         *r_u->resume = 0x0;
 460
 461         return result;
 462 }
 463
 464 /********************************************************************
 465 ********************************************************************/
 466
 467 WERROR _svcctl_start_service(pipes_struct *p, SVCCTL_Q_START_SERVICE *q_u, SVCCTL_R_START_SERVICE *r_u)
 468 {
 469         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 470
 471         /* perform access checks */
 472
 473         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 474                 return WERR_BADFID;
 475
 476         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 477                 return WERR_ACCESS_DENIED;
 478
 479         return info->ops->start_service( info->name );
 480 }
 481
 482 /********************************************************************
 483 ********************************************************************/
 484
 485 WERROR _svcctl_control_service(pipes_struct *p, SVCCTL_Q_CONTROL_SERVICE *q_u, SVCCTL_R_CONTROL_SERVICE *r_u)
 486 {
 487         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 488
 489         /* perform access checks */
 490
 491         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 492                 return WERR_BADFID;
 493
 494         switch ( q_u->control ) {
 495         case SVCCTL_CONTROL_STOP:
 496                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 497                         return WERR_ACCESS_DENIED;
 498
 499                 return info->ops->stop_service( info->name, &r_u->svc_status );
 500
 501         case SVCCTL_CONTROL_INTERROGATE:
 502                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 503                         return WERR_ACCESS_DENIED;
 504
 505                 return info->ops->service_status( info->name, &r_u->svc_status );
 506         }
 507
 508         /* default control action */
 509
 510         return WERR_ACCESS_DENIED;
 511 }
 512
 513 /********************************************************************
 514 ********************************************************************/
 515
 516 WERROR _svcctl_enum_dependent_services( pipes_struct *p, SVCCTL_Q_ENUM_DEPENDENT_SERVICES *q_u, SVCCTL_R_ENUM_DEPENDENT_SERVICES *r_u )
 517 {
 518         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 519
 520         /* perform access checks */
 521
 522         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 523                 return WERR_BADFID;
 524
 525         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 526                 return WERR_ACCESS_DENIED;
 527
 528         /* we have to set the outgoing buffer size to the same as the
 529            incoming buffer size (even in the case of failure */
 530
 531         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 532
 533         r_u->needed      = q_u->buffer_size;
 534
 535         /* no dependent services...basically a stub function */
 536         r_u->returned    = 0;
 537
 538         return WERR_OK;
 539 }
 540
 541 /********************************************************************
 542 ********************************************************************/
 543
 544 WERROR _svcctl_query_service_status_ex( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_STATUSEX *q_u, SVCCTL_R_QUERY_SERVICE_STATUSEX *r_u )
 545 {
 546         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 547         uint32 buffer_size;
 548
 549         /* perform access checks */
 550
 551         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 552                 return WERR_BADFID;
 553
 554         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 555                 return WERR_ACCESS_DENIED;
 556
 557         /* we have to set the outgoing buffer size to the same as the
 558            incoming buffer size (even in the case of failure) */
 559
 560         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 561         r_u->needed = q_u->buffer_size;
 562
 563         switch ( q_u->level ) {
 564                 case SVC_STATUS_PROCESS_INFO:
 565                 {
 566                         SERVICE_STATUS_PROCESS svc_stat_proc;
 567
 568                         /* Get the status of the service.. */
 569                         info->ops->service_status( info->name, &svc_stat_proc.status );
 570                         svc_stat_proc.process_id     = sys_getpid();
 571                         svc_stat_proc.service_flags  = 0x0;
 572
 573                         svcctl_io_service_status_process( "", &svc_stat_proc, &r_u->buffer, 0 );
 574                         buffer_size = sizeof(SERVICE_STATUS_PROCESS);
 575                         break;
 576                 }
 577
 578                 default:
 579                         return WERR_UNKNOWN_LEVEL;
 580         }
 581
 582
 583         buffer_size += buffer_size % 4;
 584         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 585
 586         if (buffer_size > q_u->buffer_size )
 587                 return WERR_MORE_DATA;
 588
 589         return WERR_OK;
 590 }
 591
 592 /********************************************************************
 593 ********************************************************************/
 594
 595 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name, SERVICE_CONFIG *config, NT_USER_TOKEN *token )
 596 {
 597         REGVAL_CTR *values;
 598         REGISTRY_VALUE *val;
 599
 600         /* retrieve the registry values for this service */
 601
 602         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 603                 return WERR_REG_CORRUPT;
 604
 605         /* now fill in the individual values */
 606
 607         config->displayname = TALLOC_ZERO_P( ctx, UNISTR2 );
 608         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 609                 init_unistr2( config->displayname, regval_sz( val ), UNI_STR_TERMINATE );
 610         else
 611                 init_unistr2( config->displayname, name, UNI_STR_TERMINATE );
 612
 613         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 614                 config->startname = TALLOC_ZERO_P( ctx, UNISTR2 );
 615                 init_unistr2( config->startname, regval_sz( val ), UNI_STR_TERMINATE );
 616         }
 617
 618         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 619                 config->executablepath = TALLOC_ZERO_P( ctx, UNISTR2 );
 620                 init_unistr2( config->executablepath, regval_sz( val ), UNI_STR_TERMINATE );
 621         }
 622
 623         /* a few hard coded values */
 624         /* loadordergroup and dependencies are empty */
 625
 626         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 627         config->service_type     = SVCCTL_WIN32_OWN_PROC;
 628         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 629
 630         /* set the start type.  NetLogon and WINS are disabled to prevent
 631            the client from showing the "Start" button (if of course the services
 632            are not running */
 633
 634         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 635                 config->start_type = SVCCTL_DISABLED;
 636         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 637                 config->start_type = SVCCTL_DISABLED;
 638         else
 639                 config->start_type = SVCCTL_DEMAND_START;
 640
 641
 642         TALLOC_FREE( values );
 643
 644         return WERR_OK;
 645 }
 646
 647 /********************************************************************
 648 ********************************************************************/
 649
 650 WERROR _svcctl_query_service_config( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG *r_u )
 651 {
 652         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 653         uint32 buffer_size;
 654         WERROR wresult;
 655
 656         /* perform access checks */
 657
 658         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 659                 return WERR_BADFID;
 660
 661         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 662                 return WERR_ACCESS_DENIED;
 663
 664         /* we have to set the outgoing buffer size to the same as the
 665            incoming buffer size (even in the case of failure */
 666
 667         r_u->needed      = q_u->buffer_size;
 668
 669         wresult = fill_svc_config( p->mem_ctx, info->name, &r_u->config, p->pipe_user.nt_user_token );
 670         if ( !W_ERROR_IS_OK(wresult) )
 671                 return wresult;
 672
 673         buffer_size = svcctl_sizeof_service_config( &r_u->config );
 674         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 675
 676         if (buffer_size > q_u->buffer_size ) {
 677                 ZERO_STRUCTP( &r_u->config );
 678                 return WERR_INSUFFICIENT_BUFFER;
 679         }
 680
 681         return WERR_OK;
 682 }
 683
 684 /********************************************************************
 685 ********************************************************************/
 686
 687 WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u )
 688 {
 689         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 690         uint32 buffer_size;
 691
 692         /* perform access checks */
 693
 694         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 695                 return WERR_BADFID;
 696
 697         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 698                 return WERR_ACCESS_DENIED;
 699
 700         /* we have to set the outgoing buffer size to the same as the
 701            incoming buffer size (even in the case of failure */
 702
 703         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 704         r_u->needed = q_u->buffer_size;
 705
 706         switch ( q_u->level ) {
 707         case SERVICE_CONFIG_DESCRIPTION:
 708                 {
 709                         SERVICE_DESCRIPTION desc_buf;
 710                         const char *description;
 711
 712                         description = svcctl_lookup_description(p->mem_ctx, info->name, p->pipe_user.nt_user_token );
 713
 714                         ZERO_STRUCTP( &desc_buf );
 715
 716                         init_service_description_buffer( &desc_buf, description ? description : "");
 717                         svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 );
 718                         buffer_size = svcctl_sizeof_service_description( &desc_buf );
 719
 720                         break;
 721                 }
 722                 break;
 723         case SERVICE_CONFIG_FAILURE_ACTIONS:
 724                 {
 725                         SERVICE_FAILURE_ACTIONS actions;
 726
 727                         /* nothing to say...just service the request */
 728
 729                         ZERO_STRUCTP( &actions );
 730                         svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 );
 731                         buffer_size = svcctl_sizeof_service_fa( &actions );
 732
 733                         break;
 734                 }
 735                 break;
 736
 737         default:
 738                 return WERR_UNKNOWN_LEVEL;
 739         }
 740
 741         buffer_size += buffer_size % 4;
 742         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 743
 744         if (buffer_size > q_u->buffer_size )
 745                 return WERR_INSUFFICIENT_BUFFER;
 746
 747         return WERR_OK;
 748 }
 749
 750 /********************************************************************
 751 ********************************************************************/
 752
 753 WERROR _svcctl_lock_service_db( pipes_struct *p, SVCCTL_Q_LOCK_SERVICE_DB *q_u, SVCCTL_R_LOCK_SERVICE_DB *r_u )
 754 {
 755         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 756
 757         /* perform access checks */
 758
 759         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 760                 return WERR_BADFID;
 761
 762         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 763                 return WERR_ACCESS_DENIED;
 764
 765         /* Just open a handle.  Doesn't actually lock anything */
 766
 767         return create_open_service_handle( p, &r_u->h_lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 768 ;
 769 }
 770
 771 /********************************************************************
 772 ********************************************************************/
 773
 774 WERROR _svcctl_unlock_service_db( pipes_struct *p, SVCCTL_Q_UNLOCK_SERVICE_DB *q_u, SVCCTL_R_UNLOCK_SERVICE_DB *r_u )
 775 {
 776         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->h_lock );
 777
 778
 779         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 780                 return WERR_BADFID;
 781
 782         return close_policy_hnd( p, &q_u->h_lock) ? WERR_OK : WERR_BADFID;
 783 }
 784
 785 /********************************************************************
 786 ********************************************************************/
 787
 788 WERROR _svcctl_query_service_sec( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_SEC *q_u, SVCCTL_R_QUERY_SERVICE_SEC *r_u )
 789 {
 790         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 791         SEC_DESC *sec_desc;
 792
 793
 794         /* only support the SCM and individual services */
 795
 796         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 797                 return WERR_BADFID;
 798
 799         /* check access reights (according to MSDN) */
 800
 801         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 802                 return WERR_ACCESS_DENIED;
 803
 804         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 805
 806         if ( (q_u->security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 807                 return WERR_INVALID_PARAM;
 808
 809         /* lookup the security descriptor and marshall it up for a reply */
 810
 811         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 812                 return WERR_NOMEM;
 813
 814         r_u->needed = sec_desc_size( sec_desc );
 815
 816         if ( r_u->needed > q_u->buffer_size ) {
 817                 ZERO_STRUCTP( &r_u->buffer );
 818                 return WERR_INSUFFICIENT_BUFFER;
 819         }
 820
 821         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 822
 823         if ( !sec_io_desc("", &sec_desc, &r_u->buffer.prs, 0 ) )
 824                 return WERR_NOMEM;
 825
 826         return WERR_OK;
 827 }
 828
 829 /********************************************************************
 830 ********************************************************************/
 831
 832 WERROR _svcctl_set_service_sec( pipes_struct *p, SVCCTL_Q_SET_SERVICE_SEC *q_u, SVCCTL_R_SET_SERVICE_SEC *r_u )
 833 {
 834         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 835         SEC_DESC *sec_desc = NULL;
 836         uint32 required_access;
 837
 838         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 839                 return WERR_BADFID;
 840
 841         /* can't set the security de4scriptor on the ServiceControlManager */
 842
 843         if ( info->type == SVC_HANDLE_IS_SCM )
 844                 return WERR_ACCESS_DENIED;
 845
 846         /* check the access on the open handle */
 847
 848         switch ( q_u->security_flags ) {
 849                 case DACL_SECURITY_INFORMATION:
 850                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 851                         break;
 852
 853                 case OWNER_SECURITY_INFORMATION:
 854                 case GROUP_SECURITY_INFORMATION:
 855                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 856                         break;
 857
 858                 case SACL_SECURITY_INFORMATION:
 859                         return WERR_INVALID_PARAM;
 860                 default:
 861                         return WERR_INVALID_PARAM;
 862         }
 863
 864         if ( !(info->access_granted & required_access) )
 865                 return WERR_ACCESS_DENIED;
 866
 867         /* read the security descfriptor */
 868
 869         if ( !sec_io_desc("", &sec_desc, &q_u->buffer.prs, 0 ) )
 870                 return WERR_NOMEM;
 871
 872         /* store the new SD */
 873
 874         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc, p->pipe_user.nt_user_token ) )
 875                 return WERR_ACCESS_DENIED;
 876
 877         return WERR_OK;
 878 }
 879
 880
 881 WERROR _svcctl_ControlService(pipes_struct *p, struct svcctl_ControlService *r)
 882 {
 883         p->rng_fault_state = True;
 884         return WERR_NOT_SUPPORTED;
 885 }
 886
 887 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 888 {
 889         p->rng_fault_state = True;
 890         return WERR_NOT_SUPPORTED;
 891 }
 892
 893 WERROR _svcctl_LockServiceDatabase(pipes_struct *p, struct svcctl_LockServiceDatabase *r)
 894 {
 895         p->rng_fault_state = True;
 896         return WERR_NOT_SUPPORTED;
 897 }
 898
 899 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p, struct svcctl_QueryServiceObjectSecurity *r)
 900 {
 901         p->rng_fault_state = True;
 902         return WERR_NOT_SUPPORTED;
 903 }
 904
 905 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p, struct svcctl_SetServiceObjectSecurity *r)
 906 {
 907         p->rng_fault_state = True;
 908         return WERR_NOT_SUPPORTED;
 909 }
 910
 911 WERROR _svcctl_QueryServiceStatus(pipes_struct *p, struct svcctl_QueryServiceStatus *r)
 912 {
 913         p->rng_fault_state = True;
 914         return WERR_NOT_SUPPORTED;
 915 }
 916
 917 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 918 {
 919         p->rng_fault_state = True;
 920         return WERR_NOT_SUPPORTED;
 921 }
 922
 923 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p, struct svcctl_UnlockServiceDatabase *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_OpenSCManagerW(pipes_struct *p, struct svcctl_OpenSCManagerW *r)
 966 {
 967         p->rng_fault_state = True;
 968         return WERR_NOT_SUPPORTED;
 969 }
 970
 971 WERROR _svcctl_OpenServiceW(pipes_struct *p, struct svcctl_OpenServiceW *r)
 972 {
 973         p->rng_fault_state = True;
 974         return WERR_NOT_SUPPORTED;
 975 }
 976
 977 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p, struct svcctl_QueryServiceConfigW *r)
 978 {
 979         p->rng_fault_state = True;
 980         return WERR_NOT_SUPPORTED;
 981 }
 982
 983 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 984 {
 985         p->rng_fault_state = True;
 986         return WERR_NOT_SUPPORTED;
 987 }
 988
 989 WERROR _svcctl_StartServiceW(pipes_struct *p, struct svcctl_StartServiceW *r)
 990 {
 991         p->rng_fault_state = True;
 992         return WERR_NOT_SUPPORTED;
 993 }
 994
 995 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p, struct svcctl_GetServiceDisplayNameW *r)
 996 {
 997         p->rng_fault_state = True;
 998         return WERR_NOT_SUPPORTED;
 999 }
1000
1001 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
1002 {
1003         p->rng_fault_state = True;
1004         return WERR_NOT_SUPPORTED;
1005 }
1006
1007 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1008 {
1009         p->rng_fault_state = True;
1010         return WERR_NOT_SUPPORTED;
1011 }
1012
1013 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1014 {
1015         p->rng_fault_state = True;
1016         return WERR_NOT_SUPPORTED;
1017 }
1018
1019 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1020 {
1021         p->rng_fault_state = True;
1022         return WERR_NOT_SUPPORTED;
1023 }
1024
1025 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1026 {
1027         p->rng_fault_state = True;
1028         return WERR_NOT_SUPPORTED;
1029 }
1030
1031 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1032 {
1033         p->rng_fault_state = True;
1034         return WERR_NOT_SUPPORTED;
1035 }
1036
1037 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1038 {
1039         p->rng_fault_state = True;
1040         return WERR_NOT_SUPPORTED;
1041 }
1042
1043 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1044 {
1045         p->rng_fault_state = True;
1046         return WERR_NOT_SUPPORTED;
1047 }
1048
1049 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1050 {
1051         p->rng_fault_state = True;
1052         return WERR_NOT_SUPPORTED;
1053 }
1054
1055 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1056 {
1057         p->rng_fault_state = True;
1058         return WERR_NOT_SUPPORTED;
1059 }
1060
1061 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1062 {
1063         p->rng_fault_state = True;
1064         return WERR_NOT_SUPPORTED;
1065 }
1066
1067 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1068 {
1069         p->rng_fault_state = True;
1070         return WERR_NOT_SUPPORTED;
1071 }
1072
1073 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1074 {
1075         p->rng_fault_state = True;
1076         return WERR_NOT_SUPPORTED;
1077 }
1078
1079 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1080 {
1081         p->rng_fault_state = True;
1082         return WERR_NOT_SUPPORTED;
1083 }
1084
1085 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1086 {
1087         p->rng_fault_state = True;
1088         return WERR_NOT_SUPPORTED;
1089 }
1090
1091 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1092 {
1093         p->rng_fault_state = True;
1094         return WERR_NOT_SUPPORTED;
1095 }
1096
1097 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1098 {
1099         p->rng_fault_state = True;
1100         return WERR_NOT_SUPPORTED;
1101 }
1102
1103 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1104 {
1105         p->rng_fault_state = True;
1106         return WERR_NOT_SUPPORTED;
1107 }
1108
1109 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p, struct svcctl_QueryServiceConfig2W *r)
1110 {
1111         p->rng_fault_state = True;
1112         return WERR_NOT_SUPPORTED;
1113 }
1114
1115 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p, struct svcctl_QueryServiceStatusEx *r)
1116 {
1117         p->rng_fault_state = True;
1118         return WERR_NOT_SUPPORTED;
1119 }
1120
1121 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1122 {
1123         p->rng_fault_state = True;
1124         return WERR_NOT_SUPPORTED;
1125 }
1126
1127 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1128 {
1129         p->rng_fault_state = True;
1130         return WERR_NOT_SUPPORTED;
1131 }
1132
1133 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1134 {
1135         p->rng_fault_state = True;
1136         return WERR_NOT_SUPPORTED;
1137 }
1138