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  *  Copyright (C) Guenther Deschner                 2008.
  10  *
  11  *  This program is free software; you can redistribute it and/or modify
  12  *  it under the terms of the GNU General Public License as published by
  13  *  the Free Software Foundation; either version 3 of the License, or
  14  *  (at your option) any later version.
  15  *
  16  *  This program is distributed in the hope that it will be useful,
  17  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  18  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19  *  GNU General Public License for more details.
  20  *
  21  *  You should have received a copy of the GNU General Public License
  22  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  23  */
  24
  25 #include "includes.h"
  26
  27 #undef DBGC_CLASS
  28 #define DBGC_CLASS DBGC_RPC_SRV
  29
  30 struct service_control_op {
  31         const char *name;
  32         SERVICE_CONTROL_OPS *ops;
  33 };
  34
  35 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  36
  37 /* handle external services */
  38 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
  39
  40 /* builtin services (see service_db.c and services/svc_*.c */
  41 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
  42 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
  43 extern SERVICE_CONTROL_OPS winreg_svc_ops;
  44 extern SERVICE_CONTROL_OPS wins_svc_ops;
  45
  46 /* make sure this number patches the number of builtin
  47    SERVICE_CONTROL_OPS structure listed above */
  48
  49 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  50
  51 struct service_control_op *svcctl_ops;
  52
  53 static const struct generic_mapping scm_generic_map =
  54         { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
  55 static const struct generic_mapping svc_generic_map =
  56         { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
  57
  58
  59 /********************************************************************
  60 ********************************************************************/
  61
  62 bool init_service_op_table( void )
  63 {
  64         const char **service_list = lp_svcctl_list();
  65         int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
  66         int i;
  67
  68         if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
  69                 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
  70                 return False;
  71         }
  72
  73         /* services listed in smb.conf get the rc.init interface */
  74
  75         for ( i=0; service_list && service_list[i]; i++ ) {
  76                 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
  77                 svcctl_ops[i].ops  = &rcinit_svc_ops;
  78         }
  79
  80         /* add builtin services */
  81
  82         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
  83         svcctl_ops[i].ops  = &spoolss_svc_ops;
  84         i++;
  85
  86         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
  87         svcctl_ops[i].ops  = &netlogon_svc_ops;
  88         i++;
  89
  90         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
  91         svcctl_ops[i].ops  = &winreg_svc_ops;
  92         i++;
  93
  94         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
  95         svcctl_ops[i].ops  = &wins_svc_ops;
  96         i++;
  97
  98         /* NULL terminate the array */
  99
 100         svcctl_ops[i].name = NULL;
 101         svcctl_ops[i].ops  = NULL;
 102
 103         return True;
 104 }
 105
 106 /********************************************************************
 107 ********************************************************************/
 108
 109 static struct service_control_op* find_service_by_name( const char *name )
 110 {
 111         int i;
 112
 113         for ( i=0; svcctl_ops[i].name; i++ ) {
 114                 if ( strequal( name, svcctl_ops[i].name ) )
 115                         return &svcctl_ops[i];
 116         }
 117
 118         return NULL;
 119 }
 120 /********************************************************************
 121 ********************************************************************/
 122
 123 static NTSTATUS svcctl_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token,
 124                                      uint32 access_desired, uint32 *access_granted )
 125 {
 126         if ( geteuid() == sec_initial_uid() ) {
 127                 DEBUG(5,("svcctl_access_check: using root's token\n"));
 128                 token = get_root_nt_token();
 129         }
 130
 131         return se_access_check( sec_desc, token, access_desired, access_granted);
 132 }
 133
 134 /********************************************************************
 135 ********************************************************************/
 136
 137 static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx )
 138 {
 139         SEC_ACE ace[2];
 140         size_t i = 0;
 141         SEC_DESC *sd;
 142         SEC_ACL *acl;
 143         size_t sd_size;
 144
 145         /* basic access for Everyone */
 146
 147         init_sec_ace(&ace[i++], &global_sid_World,
 148                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
 149
 150         /* Full Access 'BUILTIN\Administrators' */
 151
 152         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
 153                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
 154
 155
 156         /* create the security descriptor */
 157
 158         if ( !(acl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 159                 return NULL;
 160
 161         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
 162                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
 163                                   acl, &sd_size)) )
 164                 return NULL;
 165
 166         return sd;
 167 }
 168
 169 /******************************************************************
 170  free() function for REGISTRY_KEY
 171  *****************************************************************/
 172
 173 static void free_service_handle_info(void *ptr)
 174 {
 175         TALLOC_FREE( ptr );
 176 }
 177
 178 /******************************************************************
 179  Find a registry key handle and return a SERVICE_INFO
 180  *****************************************************************/
 181
 182 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, POLICY_HND *hnd)
 183 {
 184         SERVICE_INFO *service_info = NULL;
 185
 186         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
 187                 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
 188                 return NULL;
 189         }
 190
 191         return service_info;
 192 }
 193
 194 /******************************************************************
 195  *****************************************************************/
 196
 197 static WERROR create_open_service_handle( pipes_struct *p, POLICY_HND *handle, uint32 type,
 198                                           const char *service, uint32 access_granted )
 199 {
 200         SERVICE_INFO *info = NULL;
 201         WERROR result = WERR_OK;
 202         struct service_control_op *s_op;
 203
 204         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 205                 return WERR_NOMEM;
 206
 207         /* the Service Manager has a NULL name */
 208
 209         info->type = SVC_HANDLE_IS_SCM;
 210
 211         switch ( type ) {
 212         case SVC_HANDLE_IS_SCM:
 213                 info->type = SVC_HANDLE_IS_SCM;
 214                 break;
 215
 216         case SVC_HANDLE_IS_DBLOCK:
 217                 info->type = SVC_HANDLE_IS_DBLOCK;
 218                 break;
 219
 220         case SVC_HANDLE_IS_SERVICE:
 221                 info->type = SVC_HANDLE_IS_SERVICE;
 222
 223                 /* lookup the SERVICE_CONTROL_OPS */
 224
 225                 if ( !(s_op = find_service_by_name( service )) ) {
 226                         result = WERR_NO_SUCH_SERVICE;
 227                         goto done;
 228                 }
 229
 230                 info->ops = s_op->ops;
 231
 232                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 233                         result = WERR_NOMEM;
 234                         goto done;
 235                 }
 236                 break;
 237
 238         default:
 239                 result = WERR_NO_SUCH_SERVICE;
 240                 goto done;
 241         }
 242
 243         info->access_granted = access_granted;
 244
 245         /* store the SERVICE_INFO and create an open handle */
 246
 247         if ( !create_policy_hnd( p, handle, free_service_handle_info, info ) ) {
 248                 result = WERR_ACCESS_DENIED;
 249                 goto done;
 250         }
 251
 252 done:
 253         if ( !W_ERROR_IS_OK(result) )
 254                 free_service_handle_info( info );
 255
 256         return result;
 257 }
 258
 259 /********************************************************************
 260 ********************************************************************/
 261
 262 WERROR _svcctl_OpenSCManagerW(pipes_struct *p,
 263                               struct svcctl_OpenSCManagerW *r)
 264 {
 265         SEC_DESC *sec_desc;
 266         uint32 access_granted = 0;
 267         NTSTATUS status;
 268
 269         /* perform access checks */
 270
 271         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 272                 return WERR_NOMEM;
 273
 274         se_map_generic( &r->in.access_mask, &scm_generic_map );
 275         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 276                                       r->in.access_mask, &access_granted );
 277         if ( !NT_STATUS_IS_OK(status) )
 278                 return ntstatus_to_werror( status );
 279
 280         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 281 }
 282
 283 /********************************************************************
 284  _svcctl_OpenServiceW
 285 ********************************************************************/
 286
 287 WERROR _svcctl_OpenServiceW(pipes_struct *p,
 288                             struct svcctl_OpenServiceW *r)
 289 {
 290         SEC_DESC *sec_desc;
 291         uint32 access_granted = 0;
 292         NTSTATUS status;
 293         const char *service = NULL;
 294
 295         service = r->in.ServiceName;
 296         if (!service) {
 297                 return WERR_NOMEM;
 298         }
 299         DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
 300
 301         /* based on my tests you can open a service if you have a valid scm handle */
 302
 303         if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
 304                 return WERR_BADFID;
 305
 306         /* perform access checks.  Use the root token in order to ensure that we
 307            retrieve the security descriptor */
 308
 309         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 310                 return WERR_NOMEM;
 311
 312         se_map_generic( &r->in.access_mask, &svc_generic_map );
 313         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 314                                       r->in.access_mask, &access_granted );
 315         if ( !NT_STATUS_IS_OK(status) )
 316                 return ntstatus_to_werror( status );
 317
 318         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 319 }
 320
 321 /********************************************************************
 322 ********************************************************************/
 323
 324 WERROR _svcctl_CloseServiceHandle(pipes_struct *p, struct svcctl_CloseServiceHandle *r)
 325 {
 326         if ( !close_policy_hnd( p, r->in.handle ) )
 327                 return  WERR_BADFID;
 328
 329         ZERO_STRUCTP(r->out.handle);
 330
 331         return WERR_OK;
 332 }
 333
 334 /********************************************************************
 335  _svcctl_GetServiceDisplayNameW
 336 ********************************************************************/
 337
 338 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p,
 339                                       struct svcctl_GetServiceDisplayNameW *r)
 340 {
 341         const char *service;
 342         const char *display_name;
 343         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 344
 345         /* can only use an SCM handle here */
 346
 347         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 348                 return WERR_BADFID;
 349
 350         service = r->in.service_name;
 351
 352         display_name = svcctl_lookup_dispname(p->mem_ctx, service,
 353                                               p->server_info->ptok);
 354         if (!display_name) {
 355                 display_name = "";
 356         }
 357
 358         *r->out.display_name = display_name;
 359         *r->out.display_name_length = strlen(display_name);
 360
 361         return WERR_OK;
 362 }
 363
 364 /********************************************************************
 365  _svcctl_QueryServiceStatus
 366 ********************************************************************/
 367
 368 WERROR _svcctl_QueryServiceStatus(pipes_struct *p,
 369                                   struct svcctl_QueryServiceStatus *r)
 370 {
 371         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 372
 373         /* perform access checks */
 374
 375         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 376                 return WERR_BADFID;
 377
 378         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 379                 return WERR_ACCESS_DENIED;
 380
 381         /* try the service specific status call */
 382
 383         return info->ops->service_status( info->name, r->out.service_status );
 384 }
 385
 386 /********************************************************************
 387 ********************************************************************/
 388
 389 static int enumerate_status( TALLOC_CTX *ctx, ENUM_SERVICES_STATUS **status, NT_USER_TOKEN *token )
 390 {
 391         int num_services = 0;
 392         int i;
 393         ENUM_SERVICES_STATUS *st;
 394         const char *display_name;
 395
 396         /* just count */
 397         while ( svcctl_ops[num_services].name )
 398                 num_services++;
 399
 400         if ( !(st = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) ) {
 401                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 402                 return -1;
 403         }
 404
 405         for ( i=0; i<num_services; i++ ) {
 406                 init_unistr( &st[i].servicename, svcctl_ops[i].name );
 407
 408                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 409                 init_unistr( &st[i].displayname, display_name ? display_name : "");
 410
 411                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 412         }
 413
 414         *status = st;
 415
 416         return num_services;
 417 }
 418
 419 /********************************************************************
 420 ********************************************************************/
 421
 422 WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u)
 423 {
 424         ENUM_SERVICES_STATUS *services = NULL;
 425         int num_services;
 426         int i = 0;
 427         size_t buffer_size = 0;
 428         WERROR result = WERR_OK;
 429         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 430         NT_USER_TOKEN *token = p->server_info->ptok;
 431
 432         /* perform access checks */
 433
 434         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 435                 return WERR_BADFID;
 436
 437         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 438                 return WERR_ACCESS_DENIED;
 439         }
 440
 441         num_services = enumerate_status( p->mem_ctx, &services, token );
 442         if (num_services == -1 ) {
 443                 return WERR_NOMEM;
 444         }
 445
 446         for ( i=0; i<num_services; i++ ) {
 447                 buffer_size += svcctl_sizeof_enum_services_status(&services[i]);
 448         }
 449
 450         buffer_size += buffer_size % 4;
 451
 452         if (buffer_size > q_u->buffer_size ) {
 453                 num_services = 0;
 454                 result = WERR_MORE_DATA;
 455         }
 456
 457         rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx);
 458
 459         if ( W_ERROR_IS_OK(result) ) {
 460                 for ( i=0; i<num_services; i++ )
 461                         svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 );
 462         }
 463
 464         r_u->needed      = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 465         r_u->returned    = (uint32)num_services;
 466
 467         if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) )
 468                 return WERR_NOMEM;
 469
 470         *r_u->resume = 0x0;
 471
 472         return result;
 473 }
 474
 475 /********************************************************************
 476  _svcctl_StartServiceW
 477 ********************************************************************/
 478
 479 WERROR _svcctl_StartServiceW(pipes_struct *p,
 480                              struct svcctl_StartServiceW *r)
 481 {
 482         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 483
 484         /* perform access checks */
 485
 486         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 487                 return WERR_BADFID;
 488
 489         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 490                 return WERR_ACCESS_DENIED;
 491
 492         return info->ops->start_service( info->name );
 493 }
 494
 495 /********************************************************************
 496  _svcctl_ControlService
 497 ********************************************************************/
 498
 499 WERROR _svcctl_ControlService(pipes_struct *p,
 500                               struct svcctl_ControlService *r)
 501 {
 502         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 503
 504         /* perform access checks */
 505
 506         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 507                 return WERR_BADFID;
 508
 509         switch ( r->in.control ) {
 510         case SVCCTL_CONTROL_STOP:
 511                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 512                         return WERR_ACCESS_DENIED;
 513
 514                 return info->ops->stop_service( info->name,
 515                                                 r->out.service_status );
 516
 517         case SVCCTL_CONTROL_INTERROGATE:
 518                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 519                         return WERR_ACCESS_DENIED;
 520
 521                 return info->ops->service_status( info->name,
 522                                                   r->out.service_status );
 523         default:
 524                 return WERR_ACCESS_DENIED;
 525         }
 526 }
 527
 528 /********************************************************************
 529  _svcctl_EnumDependentServicesW
 530 ********************************************************************/
 531
 532 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
 533                                       struct svcctl_EnumDependentServicesW *r)
 534 {
 535         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
 536
 537         /* perform access checks */
 538
 539         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 540                 return WERR_BADFID;
 541
 542         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 543                 return WERR_ACCESS_DENIED;
 544
 545         /* we have to set the outgoing buffer size to the same as the
 546            incoming buffer size (even in the case of failure */
 547         /* this is done in the autogenerated server already - gd */
 548
 549         *r->out.bytes_needed = r->in.buf_size;
 550
 551         /* no dependent services...basically a stub function */
 552         *r->out.services_returned = 0;
 553
 554         return WERR_OK;
 555 }
 556
 557 /********************************************************************
 558  _svcctl_QueryServiceStatusEx
 559 ********************************************************************/
 560
 561 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p,
 562                                     struct svcctl_QueryServiceStatusEx *r)
 563 {
 564         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.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         *r->out.bytes_needed = r->in.buf_size;
 579
 580         switch ( r->in.info_level ) {
 581                 case SVC_STATUS_PROCESS_INFO:
 582                 {
 583                         struct SERVICE_STATUS_PROCESS svc_stat_proc;
 584                         enum ndr_err_code ndr_err;
 585                         DATA_BLOB blob;
 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                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
 593                                                        &svc_stat_proc,
 594                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
 595                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 596                                 return WERR_INVALID_PARAM;
 597                         }
 598
 599                         r->out.buffer = blob.data;
 600                         buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
 601                         break;
 602                 }
 603
 604                 default:
 605                         return WERR_UNKNOWN_LEVEL;
 606         }
 607
 608
 609         buffer_size += buffer_size % 4;
 610         *r->out.bytes_needed = (buffer_size > r->in.buf_size) ? buffer_size : r->in.buf_size;
 611
 612         if (buffer_size > r->in.buf_size )
 613                 return WERR_MORE_DATA;
 614
 615         return WERR_OK;
 616 }
 617
 618 /********************************************************************
 619 ********************************************************************/
 620
 621 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
 622                                struct QUERY_SERVICE_CONFIG *config,
 623                                NT_USER_TOKEN *token )
 624 {
 625         REGVAL_CTR *values;
 626         REGISTRY_VALUE *val;
 627
 628         /* retrieve the registry values for this service */
 629
 630         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 631                 return WERR_REG_CORRUPT;
 632
 633         /* now fill in the individual values */
 634
 635         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 636                 config->displayname = regval_sz(val);
 637         else
 638                 config->displayname = name;
 639
 640         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 641                 config->startname = regval_sz(val);
 642         }
 643
 644         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 645                 config->executablepath = regval_sz(val);
 646         }
 647
 648         /* a few hard coded values */
 649         /* loadordergroup and dependencies are empty */
 650
 651         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 652         config->service_type     = SVCCTL_WIN32_OWN_PROC;
 653         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 654
 655         /* set the start type.  NetLogon and WINS are disabled to prevent
 656            the client from showing the "Start" button (if of course the services
 657            are not running */
 658
 659         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 660                 config->start_type = SVCCTL_DISABLED;
 661         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 662                 config->start_type = SVCCTL_DISABLED;
 663         else
 664                 config->start_type = SVCCTL_DEMAND_START;
 665
 666
 667         TALLOC_FREE( values );
 668
 669         return WERR_OK;
 670 }
 671
 672 /********************************************************************
 673  _svcctl_QueryServiceConfigW
 674 ********************************************************************/
 675
 676 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
 677                                    struct svcctl_QueryServiceConfigW *r)
 678 {
 679         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 680         uint32 buffer_size;
 681         WERROR wresult;
 682
 683         /* perform access checks */
 684
 685         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 686                 return WERR_BADFID;
 687
 688         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 689                 return WERR_ACCESS_DENIED;
 690
 691         /* we have to set the outgoing buffer size to the same as the
 692            incoming buffer size (even in the case of failure */
 693
 694         *r->out.bytes_needed = r->in.buf_size;
 695
 696         wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
 697                                    p->server_info->ptok);
 698         if ( !W_ERROR_IS_OK(wresult) )
 699                 return wresult;
 700
 701         buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, NULL, 0);
 702         *r->out.bytes_needed = (buffer_size > r->in.buf_size) ? buffer_size : r->in.buf_size;
 703
 704         if (buffer_size > r->in.buf_size ) {
 705                 ZERO_STRUCTP(r->out.query);
 706                 return WERR_INSUFFICIENT_BUFFER;
 707         }
 708
 709         return WERR_OK;
 710 }
 711
 712 /********************************************************************
 713 ********************************************************************/
 714
 715 WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u )
 716 {
 717         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 718         uint32 buffer_size;
 719
 720         /* perform access checks */
 721
 722         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 723                 return WERR_BADFID;
 724
 725         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 726                 return WERR_ACCESS_DENIED;
 727
 728         /* we have to set the outgoing buffer size to the same as the
 729            incoming buffer size (even in the case of failure */
 730
 731         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 732         r_u->needed = q_u->buffer_size;
 733
 734         switch ( q_u->level ) {
 735         case SERVICE_CONFIG_DESCRIPTION:
 736                 {
 737                         SERVICE_DESCRIPTION desc_buf;
 738                         const char *description;
 739
 740                         description = svcctl_lookup_description(
 741                                 p->mem_ctx, info->name, p->server_info->ptok);
 742
 743                         ZERO_STRUCTP( &desc_buf );
 744
 745                         init_service_description_buffer( &desc_buf, description ? description : "");
 746                         svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 );
 747                         buffer_size = svcctl_sizeof_service_description( &desc_buf );
 748
 749                         break;
 750                 }
 751                 break;
 752         case SERVICE_CONFIG_FAILURE_ACTIONS:
 753                 {
 754                         SERVICE_FAILURE_ACTIONS actions;
 755
 756                         /* nothing to say...just service the request */
 757
 758                         ZERO_STRUCTP( &actions );
 759                         svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 );
 760                         buffer_size = svcctl_sizeof_service_fa( &actions );
 761
 762                         break;
 763                 }
 764                 break;
 765
 766         default:
 767                 return WERR_UNKNOWN_LEVEL;
 768         }
 769
 770         buffer_size += buffer_size % 4;
 771         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 772
 773         if (buffer_size > q_u->buffer_size )
 774                 return WERR_INSUFFICIENT_BUFFER;
 775
 776         return WERR_OK;
 777 }
 778
 779 /********************************************************************
 780  _svcctl_LockServiceDatabase
 781 ********************************************************************/
 782
 783 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
 784                                    struct svcctl_LockServiceDatabase *r)
 785 {
 786         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 787
 788         /* perform access checks */
 789
 790         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 791                 return WERR_BADFID;
 792
 793         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 794                 return WERR_ACCESS_DENIED;
 795
 796         /* Just open a handle.  Doesn't actually lock anything */
 797
 798         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 799 }
 800
 801 /********************************************************************
 802  _svcctl_UnlockServiceDatabase
 803 ********************************************************************/
 804
 805 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
 806                                      struct svcctl_UnlockServiceDatabase *r)
 807 {
 808         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 809
 810
 811         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 812                 return WERR_BADFID;
 813
 814         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 815 }
 816
 817 /********************************************************************
 818  _svcctl_QueryServiceObjectSecurity
 819 ********************************************************************/
 820
 821 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
 822                                           struct svcctl_QueryServiceObjectSecurity *r)
 823 {
 824         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 825         SEC_DESC *sec_desc;
 826         NTSTATUS status;
 827         uint8_t *buffer = NULL;
 828         size_t len = 0;
 829
 830
 831         /* only support the SCM and individual services */
 832
 833         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 834                 return WERR_BADFID;
 835
 836         /* check access reights (according to MSDN) */
 837
 838         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 839                 return WERR_ACCESS_DENIED;
 840
 841         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 842
 843         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 844                 return WERR_INVALID_PARAM;
 845
 846         /* lookup the security descriptor and marshall it up for a reply */
 847
 848         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 849                 return WERR_NOMEM;
 850
 851         *r->out.needed = ndr_size_security_descriptor( sec_desc, NULL, 0 );
 852
 853         if ( *r->out.needed > r->in.buffer_size ) {
 854                 ZERO_STRUCTP( &r->out.buffer );
 855                 return WERR_INSUFFICIENT_BUFFER;
 856         }
 857
 858         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 859         if (!NT_STATUS_IS_OK(status)) {
 860                 return ntstatus_to_werror(status);
 861         }
 862
 863         *r->out.needed = len;
 864         r->out.buffer = buffer;
 865
 866         return WERR_OK;
 867 }
 868
 869 /********************************************************************
 870  _svcctl_SetServiceObjectSecurity
 871 ********************************************************************/
 872
 873 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
 874                                         struct svcctl_SetServiceObjectSecurity *r)
 875 {
 876         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 877         SEC_DESC *sec_desc = NULL;
 878         uint32 required_access;
 879         NTSTATUS status;
 880
 881         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 882                 return WERR_BADFID;
 883
 884         /* can't set the security de4scriptor on the ServiceControlManager */
 885
 886         if ( info->type == SVC_HANDLE_IS_SCM )
 887                 return WERR_ACCESS_DENIED;
 888
 889         /* check the access on the open handle */
 890
 891         switch ( r->in.security_flags ) {
 892                 case DACL_SECURITY_INFORMATION:
 893                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 894                         break;
 895
 896                 case OWNER_SECURITY_INFORMATION:
 897                 case GROUP_SECURITY_INFORMATION:
 898                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 899                         break;
 900
 901                 case SACL_SECURITY_INFORMATION:
 902                         return WERR_INVALID_PARAM;
 903                 default:
 904                         return WERR_INVALID_PARAM;
 905         }
 906
 907         if ( !(info->access_granted & required_access) )
 908                 return WERR_ACCESS_DENIED;
 909
 910         /* read the security descfriptor */
 911
 912         status = unmarshall_sec_desc(p->mem_ctx,
 913                                      r->in.buffer, r->in.buffer_size,
 914                                      &sec_desc);
 915         if (!NT_STATUS_IS_OK(status)) {
 916                 return ntstatus_to_werror(status);
 917         }
 918
 919         /* store the new SD */
 920
 921         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
 922                                   p->server_info->ptok) )
 923                 return WERR_ACCESS_DENIED;
 924
 925         return WERR_OK;
 926 }
 927
 928
 929 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 930 {
 931         p->rng_fault_state = True;
 932         return WERR_NOT_SUPPORTED;
 933 }
 934
 935 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 936 {
 937         p->rng_fault_state = True;
 938         return WERR_NOT_SUPPORTED;
 939 }
 940
 941 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 942 {
 943         p->rng_fault_state = True;
 944         return WERR_NOT_SUPPORTED;
 945 }
 946
 947 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 948 {
 949         p->rng_fault_state = True;
 950         return WERR_NOT_SUPPORTED;
 951 }
 952
 953 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 954 {
 955         p->rng_fault_state = True;
 956         return WERR_NOT_SUPPORTED;
 957 }
 958
 959 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 960 {
 961         p->rng_fault_state = True;
 962         return WERR_NOT_SUPPORTED;
 963 }
 964
 965 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p, struct svcctl_EnumServicesStatusW *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 _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1092 {
1093         p->rng_fault_state = True;
1094         return WERR_NOT_SUPPORTED;
1095 }
1096
1097 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1098 {
1099         p->rng_fault_state = True;
1100         return WERR_NOT_SUPPORTED;
1101 }
1102
1103 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1104 {
1105         p->rng_fault_state = True;
1106         return WERR_NOT_SUPPORTED;
1107 }
1108