source/rpc_server/srv_svcctl_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *
   5  *  Copyright (C) Marcin Krzysztof Porwit           2005.
   6  *
   7  *  Largely Rewritten (Again) by:
   8  *  Copyright (C) Gerald (Jerry) Carter             2005.
   9  *  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_count( 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->pipe_user.nt_user_token, r->in.access_mask, &access_granted );
 276         if ( !NT_STATUS_IS_OK(status) )
 277                 return ntstatus_to_werror( status );
 278
 279         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 280 }
 281
 282 /********************************************************************
 283  _svcctl_OpenServiceW
 284 ********************************************************************/
 285
 286 WERROR _svcctl_OpenServiceW(pipes_struct *p,
 287                             struct svcctl_OpenServiceW *r)
 288 {
 289         SEC_DESC *sec_desc;
 290         uint32 access_granted = 0;
 291         NTSTATUS status;
 292         const char *service = NULL;
 293
 294         service = r->in.ServiceName;
 295         if (!service) {
 296                 return WERR_NOMEM;
 297         }
 298         DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
 299
 300         /* based on my tests you can open a service if you have a valid scm handle */
 301
 302         if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
 303                 return WERR_BADFID;
 304
 305         /* perform access checks.  Use the root token in order to ensure that we
 306            retrieve the security descriptor */
 307
 308         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 309                 return WERR_NOMEM;
 310
 311         se_map_generic( &r->in.access_mask, &svc_generic_map );
 312         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, r->in.access_mask, &access_granted );
 313         if ( !NT_STATUS_IS_OK(status) )
 314                 return ntstatus_to_werror( status );
 315
 316         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 317 }
 318
 319 /********************************************************************
 320 ********************************************************************/
 321
 322 WERROR _svcctl_CloseServiceHandle(pipes_struct *p, struct svcctl_CloseServiceHandle *r)
 323 {
 324         if ( !close_policy_hnd( p, r->in.handle ) )
 325                 return  WERR_BADFID;
 326
 327         ZERO_STRUCTP(r->out.handle);
 328
 329         return WERR_OK;
 330 }
 331
 332 /********************************************************************
 333  _svcctl_GetServiceDisplayNameW
 334 ********************************************************************/
 335
 336 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p,
 337                                       struct svcctl_GetServiceDisplayNameW *r)
 338 {
 339         const char *service;
 340         const char *display_name;
 341         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 342
 343         /* can only use an SCM handle here */
 344
 345         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 346                 return WERR_BADFID;
 347
 348         service = r->in.service_name;
 349
 350         display_name = svcctl_lookup_dispname(p->mem_ctx, service, p->pipe_user.nt_user_token );
 351         if (!display_name) {
 352                 display_name = "";
 353         }
 354
 355         *r->out.display_name = display_name;
 356         *r->out.display_name_length = strlen(display_name);
 357
 358         return WERR_OK;
 359 }
 360
 361 /********************************************************************
 362  _svcctl_QueryServiceStatus
 363 ********************************************************************/
 364
 365 WERROR _svcctl_QueryServiceStatus(pipes_struct *p,
 366                                   struct svcctl_QueryServiceStatus *r)
 367 {
 368         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 369
 370         /* perform access checks */
 371
 372         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 373                 return WERR_BADFID;
 374
 375         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 376                 return WERR_ACCESS_DENIED;
 377
 378         /* try the service specific status call */
 379
 380         return info->ops->service_status( info->name, r->out.service_status );
 381 }
 382
 383 /********************************************************************
 384 ********************************************************************/
 385
 386 static int enumerate_status( TALLOC_CTX *ctx, ENUM_SERVICES_STATUS **status, NT_USER_TOKEN *token )
 387 {
 388         int num_services = 0;
 389         int i;
 390         ENUM_SERVICES_STATUS *st;
 391         const char *display_name;
 392
 393         /* just count */
 394         while ( svcctl_ops[num_services].name )
 395                 num_services++;
 396
 397         if ( !(st = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) ) {
 398                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 399                 return -1;
 400         }
 401
 402         for ( i=0; i<num_services; i++ ) {
 403                 init_unistr( &st[i].servicename, svcctl_ops[i].name );
 404
 405                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 406                 init_unistr( &st[i].displayname, display_name ? display_name : "");
 407
 408                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 409         }
 410
 411         *status = st;
 412
 413         return num_services;
 414 }
 415
 416 /********************************************************************
 417 ********************************************************************/
 418
 419 WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u)
 420 {
 421         ENUM_SERVICES_STATUS *services = NULL;
 422         int num_services;
 423         int i = 0;
 424         size_t buffer_size = 0;
 425         WERROR result = WERR_OK;
 426         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 427         NT_USER_TOKEN *token = p->pipe_user.nt_user_token;
 428
 429         /* perform access checks */
 430
 431         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 432                 return WERR_BADFID;
 433
 434         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 435                 return WERR_ACCESS_DENIED;
 436         }
 437
 438         num_services = enumerate_status( p->mem_ctx, &services, token );
 439         if (num_services == -1 ) {
 440                 return WERR_NOMEM;
 441         }
 442
 443         for ( i=0; i<num_services; i++ ) {
 444                 buffer_size += svcctl_sizeof_enum_services_status(&services[i]);
 445         }
 446
 447         buffer_size += buffer_size % 4;
 448
 449         if (buffer_size > q_u->buffer_size ) {
 450                 num_services = 0;
 451                 result = WERR_MORE_DATA;
 452         }
 453
 454         rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx);
 455
 456         if ( W_ERROR_IS_OK(result) ) {
 457                 for ( i=0; i<num_services; i++ )
 458                         svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 );
 459         }
 460
 461         r_u->needed      = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 462         r_u->returned    = (uint32)num_services;
 463
 464         if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) )
 465                 return WERR_NOMEM;
 466
 467         *r_u->resume = 0x0;
 468
 469         return result;
 470 }
 471
 472 /********************************************************************
 473  _svcctl_StartServiceW
 474 ********************************************************************/
 475
 476 WERROR _svcctl_StartServiceW(pipes_struct *p,
 477                              struct svcctl_StartServiceW *r)
 478 {
 479         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 480
 481         /* perform access checks */
 482
 483         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 484                 return WERR_BADFID;
 485
 486         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 487                 return WERR_ACCESS_DENIED;
 488
 489         return info->ops->start_service( info->name );
 490 }
 491
 492 /********************************************************************
 493  _svcctl_ControlService
 494 ********************************************************************/
 495
 496 WERROR _svcctl_ControlService(pipes_struct *p,
 497                               struct svcctl_ControlService *r)
 498 {
 499         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 500
 501         /* perform access checks */
 502
 503         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 504                 return WERR_BADFID;
 505
 506         switch ( r->in.control ) {
 507         case SVCCTL_CONTROL_STOP:
 508                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 509                         return WERR_ACCESS_DENIED;
 510
 511                 return info->ops->stop_service( info->name,
 512                                                 r->out.service_status );
 513
 514         case SVCCTL_CONTROL_INTERROGATE:
 515                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 516                         return WERR_ACCESS_DENIED;
 517
 518                 return info->ops->service_status( info->name,
 519                                                   r->out.service_status );
 520         }
 521
 522         /* default control action */
 523
 524         return WERR_ACCESS_DENIED;
 525 }
 526
 527 /********************************************************************
 528  _svcctl_EnumDependentServicesW
 529 ********************************************************************/
 530
 531 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
 532                                       struct svcctl_EnumDependentServicesW *r)
 533 {
 534         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
 535
 536         /* perform access checks */
 537
 538         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 539                 return WERR_BADFID;
 540
 541         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 542                 return WERR_ACCESS_DENIED;
 543
 544         /* we have to set the outgoing buffer size to the same as the
 545            incoming buffer size (even in the case of failure */
 546         /* this is done in the autogenerated server already - gd */
 547
 548         *r->out.bytes_needed = r->in.buf_size;
 549
 550         /* no dependent services...basically a stub function */
 551         *r->out.services_returned = 0;
 552
 553         return WERR_OK;
 554 }
 555
 556 /********************************************************************
 557 ********************************************************************/
 558
 559 WERROR _svcctl_query_service_status_ex( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_STATUSEX *q_u, SVCCTL_R_QUERY_SERVICE_STATUSEX *r_u )
 560 {
 561         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 562         uint32 buffer_size;
 563
 564         /* perform access checks */
 565
 566         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 567                 return WERR_BADFID;
 568
 569         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 570                 return WERR_ACCESS_DENIED;
 571
 572         /* we have to set the outgoing buffer size to the same as the
 573            incoming buffer size (even in the case of failure) */
 574
 575         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 576         r_u->needed = q_u->buffer_size;
 577
 578         switch ( q_u->level ) {
 579                 case SVC_STATUS_PROCESS_INFO:
 580                 {
 581                         SERVICE_STATUS_PROCESS svc_stat_proc;
 582
 583                         /* Get the status of the service.. */
 584                         info->ops->service_status( info->name, &svc_stat_proc.status );
 585                         svc_stat_proc.process_id     = sys_getpid();
 586                         svc_stat_proc.service_flags  = 0x0;
 587
 588                         svcctl_io_service_status_process( "", &svc_stat_proc, &r_u->buffer, 0 );
 589                         buffer_size = sizeof(SERVICE_STATUS_PROCESS);
 590                         break;
 591                 }
 592
 593                 default:
 594                         return WERR_UNKNOWN_LEVEL;
 595         }
 596
 597
 598         buffer_size += buffer_size % 4;
 599         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 600
 601         if (buffer_size > q_u->buffer_size )
 602                 return WERR_MORE_DATA;
 603
 604         return WERR_OK;
 605 }
 606
 607 /********************************************************************
 608 ********************************************************************/
 609
 610 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
 611                                struct QUERY_SERVICE_CONFIG *config,
 612                                NT_USER_TOKEN *token )
 613 {
 614         REGVAL_CTR *values;
 615         REGISTRY_VALUE *val;
 616
 617         /* retrieve the registry values for this service */
 618
 619         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 620                 return WERR_REG_CORRUPT;
 621
 622         /* now fill in the individual values */
 623
 624         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 625                 config->displayname = regval_sz(val);
 626         else
 627                 config->displayname = name;
 628
 629         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 630                 config->startname = regval_sz(val);
 631         }
 632
 633         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 634                 config->executablepath = regval_sz(val);
 635         }
 636
 637         /* a few hard coded values */
 638         /* loadordergroup and dependencies are empty */
 639
 640         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 641         config->service_type     = SVCCTL_WIN32_OWN_PROC;
 642         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 643
 644         /* set the start type.  NetLogon and WINS are disabled to prevent
 645            the client from showing the "Start" button (if of course the services
 646            are not running */
 647
 648         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 649                 config->start_type = SVCCTL_DISABLED;
 650         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 651                 config->start_type = SVCCTL_DISABLED;
 652         else
 653                 config->start_type = SVCCTL_DEMAND_START;
 654
 655
 656         TALLOC_FREE( values );
 657
 658         return WERR_OK;
 659 }
 660
 661 /********************************************************************
 662  _svcctl_QueryServiceConfigW
 663 ********************************************************************/
 664
 665 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
 666                                    struct svcctl_QueryServiceConfigW *r)
 667 {
 668         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 669         uint32 buffer_size;
 670         WERROR wresult;
 671
 672         /* perform access checks */
 673
 674         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 675                 return WERR_BADFID;
 676
 677         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 678                 return WERR_ACCESS_DENIED;
 679
 680         /* we have to set the outgoing buffer size to the same as the
 681            incoming buffer size (even in the case of failure */
 682
 683         *r->out.bytes_needed = r->in.buf_size;
 684
 685         wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query, p->pipe_user.nt_user_token );
 686         if ( !W_ERROR_IS_OK(wresult) )
 687                 return wresult;
 688
 689         buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, 0);
 690         *r->out.bytes_needed = (buffer_size > r->in.buf_size) ? buffer_size : r->in.buf_size;
 691
 692         if (buffer_size > r->in.buf_size ) {
 693                 ZERO_STRUCTP(r->out.query);
 694                 return WERR_INSUFFICIENT_BUFFER;
 695         }
 696
 697         return WERR_OK;
 698 }
 699
 700 /********************************************************************
 701 ********************************************************************/
 702
 703 WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u )
 704 {
 705         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 706         uint32 buffer_size;
 707
 708         /* perform access checks */
 709
 710         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 711                 return WERR_BADFID;
 712
 713         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 714                 return WERR_ACCESS_DENIED;
 715
 716         /* we have to set the outgoing buffer size to the same as the
 717            incoming buffer size (even in the case of failure */
 718
 719         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 720         r_u->needed = q_u->buffer_size;
 721
 722         switch ( q_u->level ) {
 723         case SERVICE_CONFIG_DESCRIPTION:
 724                 {
 725                         SERVICE_DESCRIPTION desc_buf;
 726                         const char *description;
 727
 728                         description = svcctl_lookup_description(p->mem_ctx, info->name, p->pipe_user.nt_user_token );
 729
 730                         ZERO_STRUCTP( &desc_buf );
 731
 732                         init_service_description_buffer( &desc_buf, description ? description : "");
 733                         svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 );
 734                         buffer_size = svcctl_sizeof_service_description( &desc_buf );
 735
 736                         break;
 737                 }
 738                 break;
 739         case SERVICE_CONFIG_FAILURE_ACTIONS:
 740                 {
 741                         SERVICE_FAILURE_ACTIONS actions;
 742
 743                         /* nothing to say...just service the request */
 744
 745                         ZERO_STRUCTP( &actions );
 746                         svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 );
 747                         buffer_size = svcctl_sizeof_service_fa( &actions );
 748
 749                         break;
 750                 }
 751                 break;
 752
 753         default:
 754                 return WERR_UNKNOWN_LEVEL;
 755         }
 756
 757         buffer_size += buffer_size % 4;
 758         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 759
 760         if (buffer_size > q_u->buffer_size )
 761                 return WERR_INSUFFICIENT_BUFFER;
 762
 763         return WERR_OK;
 764 }
 765
 766 /********************************************************************
 767  _svcctl_LockServiceDatabase
 768 ********************************************************************/
 769
 770 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
 771                                    struct svcctl_LockServiceDatabase *r)
 772 {
 773         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 774
 775         /* perform access checks */
 776
 777         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 778                 return WERR_BADFID;
 779
 780         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 781                 return WERR_ACCESS_DENIED;
 782
 783         /* Just open a handle.  Doesn't actually lock anything */
 784
 785         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 786 }
 787
 788 /********************************************************************
 789  _svcctl_UnlockServiceDatabase
 790 ********************************************************************/
 791
 792 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
 793                                      struct svcctl_UnlockServiceDatabase *r)
 794 {
 795         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 796
 797
 798         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 799                 return WERR_BADFID;
 800
 801         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 802 }
 803
 804 /********************************************************************
 805  _svcctl_QueryServiceObjectSecurity
 806 ********************************************************************/
 807
 808 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
 809                                           struct svcctl_QueryServiceObjectSecurity *r)
 810 {
 811         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 812         SEC_DESC *sec_desc;
 813         NTSTATUS status;
 814         uint8_t *buffer = NULL;
 815         size_t len = 0;
 816
 817
 818         /* only support the SCM and individual services */
 819
 820         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 821                 return WERR_BADFID;
 822
 823         /* check access reights (according to MSDN) */
 824
 825         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 826                 return WERR_ACCESS_DENIED;
 827
 828         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 829
 830         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 831                 return WERR_INVALID_PARAM;
 832
 833         /* lookup the security descriptor and marshall it up for a reply */
 834
 835         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 836                 return WERR_NOMEM;
 837
 838         *r->out.needed = ndr_size_security_descriptor( sec_desc, 0 );
 839
 840         if ( *r->out.needed > r->in.buffer_size ) {
 841                 ZERO_STRUCTP( &r->out.buffer );
 842                 return WERR_INSUFFICIENT_BUFFER;
 843         }
 844
 845         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 846         if (!NT_STATUS_IS_OK(status)) {
 847                 return ntstatus_to_werror(status);
 848         }
 849
 850         *r->out.needed = len;
 851         r->out.buffer = buffer;
 852
 853         return WERR_OK;
 854 }
 855
 856 /********************************************************************
 857  _svcctl_SetServiceObjectSecurity
 858 ********************************************************************/
 859
 860 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
 861                                         struct svcctl_SetServiceObjectSecurity *r)
 862 {
 863         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 864         SEC_DESC *sec_desc = NULL;
 865         uint32 required_access;
 866         NTSTATUS status;
 867
 868         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 869                 return WERR_BADFID;
 870
 871         /* can't set the security de4scriptor on the ServiceControlManager */
 872
 873         if ( info->type == SVC_HANDLE_IS_SCM )
 874                 return WERR_ACCESS_DENIED;
 875
 876         /* check the access on the open handle */
 877
 878         switch ( r->in.security_flags ) {
 879                 case DACL_SECURITY_INFORMATION:
 880                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 881                         break;
 882
 883                 case OWNER_SECURITY_INFORMATION:
 884                 case GROUP_SECURITY_INFORMATION:
 885                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 886                         break;
 887
 888                 case SACL_SECURITY_INFORMATION:
 889                         return WERR_INVALID_PARAM;
 890                 default:
 891                         return WERR_INVALID_PARAM;
 892         }
 893
 894         if ( !(info->access_granted & required_access) )
 895                 return WERR_ACCESS_DENIED;
 896
 897         /* read the security descfriptor */
 898
 899         status = unmarshall_sec_desc(p->mem_ctx,
 900                                      r->in.buffer, r->in.buffer_size,
 901                                      &sec_desc);
 902         if (!NT_STATUS_IS_OK(status)) {
 903                 return ntstatus_to_werror(status);
 904         }
 905
 906         /* store the new SD */
 907
 908         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc, p->pipe_user.nt_user_token ) )
 909                 return WERR_ACCESS_DENIED;
 910
 911         return WERR_OK;
 912 }
 913
 914
 915 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 916 {
 917         p->rng_fault_state = True;
 918         return WERR_NOT_SUPPORTED;
 919 }
 920
 921 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 922 {
 923         p->rng_fault_state = True;
 924         return WERR_NOT_SUPPORTED;
 925 }
 926
 927 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 928 {
 929         p->rng_fault_state = True;
 930         return WERR_NOT_SUPPORTED;
 931 }
 932
 933 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 934 {
 935         p->rng_fault_state = True;
 936         return WERR_NOT_SUPPORTED;
 937 }
 938
 939 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 940 {
 941         p->rng_fault_state = True;
 942         return WERR_NOT_SUPPORTED;
 943 }
 944
 945 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 946 {
 947         p->rng_fault_state = True;
 948         return WERR_NOT_SUPPORTED;
 949 }
 950
 951 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p, struct svcctl_EnumServicesStatusW *r)
 952 {
 953         p->rng_fault_state = True;
 954         return WERR_NOT_SUPPORTED;
 955 }
 956
 957 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 958 {
 959         p->rng_fault_state = True;
 960         return WERR_NOT_SUPPORTED;
 961 }
 962
 963 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
 964 {
 965         p->rng_fault_state = True;
 966         return WERR_NOT_SUPPORTED;
 967 }
 968
 969 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
 970 {
 971         p->rng_fault_state = True;
 972         return WERR_NOT_SUPPORTED;
 973 }
 974
 975 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
 976 {
 977         p->rng_fault_state = True;
 978         return WERR_NOT_SUPPORTED;
 979 }
 980
 981 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
 982 {
 983         p->rng_fault_state = True;
 984         return WERR_NOT_SUPPORTED;
 985 }
 986
 987 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
 988 {
 989         p->rng_fault_state = True;
 990         return WERR_NOT_SUPPORTED;
 991 }
 992
 993 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
 994 {
 995         p->rng_fault_state = True;
 996         return WERR_NOT_SUPPORTED;
 997 }
 998
 999 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1000 {
1001         p->rng_fault_state = True;
1002         return WERR_NOT_SUPPORTED;
1003 }
1004
1005 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1006 {
1007         p->rng_fault_state = True;
1008         return WERR_NOT_SUPPORTED;
1009 }
1010
1011 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1012 {
1013         p->rng_fault_state = True;
1014         return WERR_NOT_SUPPORTED;
1015 }
1016
1017 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1018 {
1019         p->rng_fault_state = True;
1020         return WERR_NOT_SUPPORTED;
1021 }
1022
1023 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1024 {
1025         p->rng_fault_state = True;
1026         return WERR_NOT_SUPPORTED;
1027 }
1028
1029 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1030 {
1031         p->rng_fault_state = True;
1032         return WERR_NOT_SUPPORTED;
1033 }
1034
1035 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1036 {
1037         p->rng_fault_state = True;
1038         return WERR_NOT_SUPPORTED;
1039 }
1040
1041 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1042 {
1043         p->rng_fault_state = True;
1044         return WERR_NOT_SUPPORTED;
1045 }
1046
1047 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1048 {
1049         p->rng_fault_state = True;
1050         return WERR_NOT_SUPPORTED;
1051 }
1052
1053 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1054 {
1055         p->rng_fault_state = True;
1056         return WERR_NOT_SUPPORTED;
1057 }
1058
1059 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1060 {
1061         p->rng_fault_state = True;
1062         return WERR_NOT_SUPPORTED;
1063 }
1064
1065 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1066 {
1067         p->rng_fault_state = True;
1068         return WERR_NOT_SUPPORTED;
1069 }
1070
1071 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p, struct svcctl_QueryServiceConfig2W *r)
1072 {
1073         p->rng_fault_state = True;
1074         return WERR_NOT_SUPPORTED;
1075 }
1076
1077 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p, struct svcctl_QueryServiceStatusEx *r)
1078 {
1079         p->rng_fault_state = True;
1080         return WERR_NOT_SUPPORTED;
1081 }
1082
1083 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1084 {
1085         p->rng_fault_state = True;
1086         return WERR_NOT_SUPPORTED;
1087 }
1088
1089 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1090 {
1091         p->rng_fault_state = True;
1092         return WERR_NOT_SUPPORTED;
1093 }
1094
1095 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1096 {
1097         p->rng_fault_state = True;
1098         return WERR_NOT_SUPPORTED;
1099 }
1100