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                 2008,2009.
  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 #include "../librpc/gen_ndr/srv_svcctl.h"
  27 #include "services/services.h"
  28 #include "registry.h"
  29 #include "registry/reg_objects.h"
  30 #include "../librpc/gen_ndr/ndr_security.h"
  31
  32 #undef DBGC_CLASS
  33 #define DBGC_CLASS DBGC_RPC_SRV
  34
  35 struct service_control_op {
  36         const char *name;
  37         SERVICE_CONTROL_OPS *ops;
  38 };
  39
  40 /* handle external services */
  41 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
  42
  43 /* builtin services (see service_db.c and services/svc_*.c */
  44 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
  45 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
  46 extern SERVICE_CONTROL_OPS winreg_svc_ops;
  47 extern SERVICE_CONTROL_OPS wins_svc_ops;
  48
  49 /* make sure this number patches the number of builtin
  50    SERVICE_CONTROL_OPS structure listed above */
  51
  52 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  53
  54 struct service_control_op *svcctl_ops;
  55
  56 static const struct generic_mapping scm_generic_map =
  57         { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
  58 static const struct generic_mapping svc_generic_map =
  59         { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
  60
  61
  62 /********************************************************************
  63 ********************************************************************/
  64
  65 bool init_service_op_table( void )
  66 {
  67         const char **service_list = lp_svcctl_list();
  68         int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
  69         int i;
  70
  71         if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
  72                 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
  73                 return False;
  74         }
  75
  76         /* services listed in smb.conf get the rc.init interface */
  77
  78         for ( i=0; service_list && service_list[i]; i++ ) {
  79                 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
  80                 svcctl_ops[i].ops  = &rcinit_svc_ops;
  81         }
  82
  83         /* add builtin services */
  84
  85         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
  86         svcctl_ops[i].ops  = &spoolss_svc_ops;
  87         i++;
  88
  89         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
  90         svcctl_ops[i].ops  = &netlogon_svc_ops;
  91         i++;
  92
  93         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
  94         svcctl_ops[i].ops  = &winreg_svc_ops;
  95         i++;
  96
  97         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
  98         svcctl_ops[i].ops  = &wins_svc_ops;
  99         i++;
 100
 101         /* NULL terminate the array */
 102
 103         svcctl_ops[i].name = NULL;
 104         svcctl_ops[i].ops  = NULL;
 105
 106         return True;
 107 }
 108
 109 /********************************************************************
 110 ********************************************************************/
 111
 112 static struct service_control_op* find_service_by_name( const char *name )
 113 {
 114         int i;
 115
 116         for ( i=0; svcctl_ops[i].name; i++ ) {
 117                 if ( strequal( name, svcctl_ops[i].name ) )
 118                         return &svcctl_ops[i];
 119         }
 120
 121         return NULL;
 122 }
 123 /********************************************************************
 124 ********************************************************************/
 125
 126 static NTSTATUS svcctl_access_check( struct security_descriptor *sec_desc, struct security_token *token,
 127                                      uint32 access_desired, uint32 *access_granted )
 128 {
 129         if ( geteuid() == sec_initial_uid() ) {
 130                 DEBUG(5,("svcctl_access_check: using root's token\n"));
 131                 token = get_root_nt_token();
 132         }
 133
 134         return se_access_check( sec_desc, token, access_desired, access_granted);
 135 }
 136
 137 /********************************************************************
 138 ********************************************************************/
 139
 140 static struct security_descriptor* construct_scm_sd( TALLOC_CTX *ctx )
 141 {
 142         struct security_ace ace[2];
 143         size_t i = 0;
 144         struct security_descriptor *sd;
 145         struct security_acl *theacl;
 146         size_t sd_size;
 147
 148         /* basic access for Everyone */
 149
 150         init_sec_ace(&ace[i++], &global_sid_World,
 151                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
 152
 153         /* Full Access 'BUILTIN\Administrators' */
 154
 155         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
 156                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
 157
 158
 159         /* create the security descriptor */
 160
 161         if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 162                 return NULL;
 163
 164         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
 165                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
 166                                   theacl, &sd_size)) )
 167                 return NULL;
 168
 169         return sd;
 170 }
 171
 172 /******************************************************************
 173  Find a registry key handle and return a SERVICE_INFO
 174  *****************************************************************/
 175
 176 static SERVICE_INFO *find_service_info_by_hnd(struct pipes_struct *p,
 177                                               struct policy_handle *hnd)
 178 {
 179         SERVICE_INFO *service_info = NULL;
 180
 181         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
 182                 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
 183                 return NULL;
 184         }
 185
 186         return service_info;
 187 }
 188
 189 /******************************************************************
 190  *****************************************************************/
 191
 192 static WERROR create_open_service_handle(struct pipes_struct *p,
 193                                          struct policy_handle *handle,
 194                                          uint32_t type,
 195                                          const char *service,
 196                                          uint32_t access_granted)
 197 {
 198         SERVICE_INFO *info = NULL;
 199         WERROR result = WERR_OK;
 200         struct service_control_op *s_op;
 201
 202         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 203                 return WERR_NOMEM;
 204
 205         /* the Service Manager has a NULL name */
 206
 207         info->type = SVC_HANDLE_IS_SCM;
 208
 209         switch ( type ) {
 210         case SVC_HANDLE_IS_SCM:
 211                 info->type = SVC_HANDLE_IS_SCM;
 212                 break;
 213
 214         case SVC_HANDLE_IS_DBLOCK:
 215                 info->type = SVC_HANDLE_IS_DBLOCK;
 216                 break;
 217
 218         case SVC_HANDLE_IS_SERVICE:
 219                 info->type = SVC_HANDLE_IS_SERVICE;
 220
 221                 /* lookup the SERVICE_CONTROL_OPS */
 222
 223                 if ( !(s_op = find_service_by_name( service )) ) {
 224                         result = WERR_NO_SUCH_SERVICE;
 225                         goto done;
 226                 }
 227
 228                 info->ops = s_op->ops;
 229
 230                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 231                         result = WERR_NOMEM;
 232                         goto done;
 233                 }
 234                 break;
 235
 236         default:
 237                 result = WERR_NO_SUCH_SERVICE;
 238                 goto done;
 239         }
 240
 241         info->access_granted = access_granted;
 242
 243         /* store the SERVICE_INFO and create an open handle */
 244
 245         if ( !create_policy_hnd( p, handle, info ) ) {
 246                 result = WERR_ACCESS_DENIED;
 247                 goto done;
 248         }
 249
 250 done:
 251         if ( !W_ERROR_IS_OK(result) )
 252                 TALLOC_FREE(info);
 253
 254         return result;
 255 }
 256
 257 /********************************************************************
 258  _svcctl_OpenSCManagerW
 259 ********************************************************************/
 260
 261 WERROR _svcctl_OpenSCManagerW(struct pipes_struct *p,
 262                               struct svcctl_OpenSCManagerW *r)
 263 {
 264         struct security_descriptor *sec_desc;
 265         uint32 access_granted = 0;
 266         NTSTATUS status;
 267
 268         /* perform access checks */
 269
 270         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 271                 return WERR_NOMEM;
 272
 273         se_map_generic( &r->in.access_mask, &scm_generic_map );
 274         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 275                                       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(struct pipes_struct *p,
 287                             struct svcctl_OpenServiceW *r)
 288 {
 289         struct security_descriptor *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->server_info->ptok,
 313                                       r->in.access_mask, &access_granted );
 314         if ( !NT_STATUS_IS_OK(status) )
 315                 return ntstatus_to_werror( status );
 316
 317         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 318 }
 319
 320 /********************************************************************
 321  _svcctl_CloseServiceHandle
 322 ********************************************************************/
 323
 324 WERROR _svcctl_CloseServiceHandle(struct pipes_struct *p,
 325                                   struct svcctl_CloseServiceHandle *r)
 326 {
 327         if ( !close_policy_hnd( p, r->in.handle ) )
 328                 return  WERR_BADFID;
 329
 330         ZERO_STRUCTP(r->out.handle);
 331
 332         return WERR_OK;
 333 }
 334
 335 /********************************************************************
 336  _svcctl_GetServiceDisplayNameW
 337 ********************************************************************/
 338
 339 WERROR _svcctl_GetServiceDisplayNameW(struct pipes_struct *p,
 340                                       struct svcctl_GetServiceDisplayNameW *r)
 341 {
 342         const char *service;
 343         const char *display_name;
 344         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 345
 346         /* can only use an SCM handle here */
 347
 348         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 349                 return WERR_BADFID;
 350
 351         service = r->in.service_name;
 352
 353         display_name = svcctl_lookup_dispname(p->mem_ctx, service,
 354                                               p->server_info->ptok);
 355         if (!display_name) {
 356                 display_name = "";
 357         }
 358
 359         *r->out.display_name = display_name;
 360         *r->out.display_name_length = strlen(display_name);
 361
 362         return WERR_OK;
 363 }
 364
 365 /********************************************************************
 366  _svcctl_QueryServiceStatus
 367 ********************************************************************/
 368
 369 WERROR _svcctl_QueryServiceStatus(struct pipes_struct *p,
 370                                   struct svcctl_QueryServiceStatus *r)
 371 {
 372         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 373
 374         /* perform access checks */
 375
 376         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 377                 return WERR_BADFID;
 378
 379         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 380                 return WERR_ACCESS_DENIED;
 381
 382         /* try the service specific status call */
 383
 384         return info->ops->service_status( info->name, r->out.service_status );
 385 }
 386
 387 /********************************************************************
 388 ********************************************************************/
 389
 390 static int enumerate_status( TALLOC_CTX *ctx, struct ENUM_SERVICE_STATUSW **status, struct security_token *token )
 391 {
 392         int num_services = 0;
 393         int i;
 394         struct ENUM_SERVICE_STATUSW *st;
 395         const char *display_name;
 396
 397         /* just count */
 398         while ( svcctl_ops[num_services].name )
 399                 num_services++;
 400
 401         if ( !(st = TALLOC_ARRAY( ctx, struct ENUM_SERVICE_STATUSW, num_services )) ) {
 402                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 403                 return -1;
 404         }
 405
 406         for ( i=0; i<num_services; i++ ) {
 407                 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
 408
 409                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 410                 st[i].display_name = talloc_strdup(st, display_name ? display_name : "");
 411
 412                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 413         }
 414
 415         *status = st;
 416
 417         return num_services;
 418 }
 419
 420 /********************************************************************
 421  _svcctl_EnumServicesStatusW
 422 ********************************************************************/
 423
 424 WERROR _svcctl_EnumServicesStatusW(struct pipes_struct *p,
 425                                    struct svcctl_EnumServicesStatusW *r)
 426 {
 427         struct ENUM_SERVICE_STATUSW *services = NULL;
 428         int num_services;
 429         int i = 0;
 430         size_t buffer_size = 0;
 431         WERROR result = WERR_OK;
 432         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 433         struct security_token *token = p->server_info->ptok;
 434         DATA_BLOB blob = data_blob_null;
 435
 436         /* perform access checks */
 437
 438         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 439                 return WERR_BADFID;
 440
 441         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 442                 return WERR_ACCESS_DENIED;
 443         }
 444
 445         num_services = enumerate_status( p->mem_ctx, &services, token );
 446         if (num_services == -1 ) {
 447                 return WERR_NOMEM;
 448         }
 449
 450         for ( i=0; i<num_services; i++ ) {
 451                 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], 0);
 452         }
 453
 454         buffer_size += buffer_size % 4;
 455
 456         if (buffer_size > r->in.offered) {
 457                 num_services = 0;
 458                 result = WERR_MORE_DATA;
 459         }
 460
 461         if ( W_ERROR_IS_OK(result) ) {
 462
 463                 enum ndr_err_code ndr_err;
 464                 struct ndr_push *ndr;
 465
 466                 ndr = ndr_push_init_ctx(p->mem_ctx);
 467                 if (ndr == NULL) {
 468                         return WERR_INVALID_PARAM;
 469                 }
 470
 471                 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
 472                         ndr, num_services, services);
 473                 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 474                         return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
 475                 }
 476                 blob = ndr_push_blob(ndr);
 477                 memcpy(r->out.service, blob.data, MIN(blob.length, r->in.offered));
 478         }
 479
 480         *r->out.needed                  = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 481         *r->out.services_returned       = (uint32)num_services;
 482         if (r->out.resume_handle) {
 483                 *r->out.resume_handle   = 0;
 484         }
 485
 486         return result;
 487 }
 488
 489 /********************************************************************
 490  _svcctl_StartServiceW
 491 ********************************************************************/
 492
 493 WERROR _svcctl_StartServiceW(struct pipes_struct *p,
 494                              struct svcctl_StartServiceW *r)
 495 {
 496         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 497
 498         /* perform access checks */
 499
 500         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 501                 return WERR_BADFID;
 502
 503         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 504                 return WERR_ACCESS_DENIED;
 505
 506         return info->ops->start_service( info->name );
 507 }
 508
 509 /********************************************************************
 510  _svcctl_ControlService
 511 ********************************************************************/
 512
 513 WERROR _svcctl_ControlService(struct pipes_struct *p,
 514                               struct svcctl_ControlService *r)
 515 {
 516         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 517
 518         /* perform access checks */
 519
 520         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 521                 return WERR_BADFID;
 522
 523         switch ( r->in.control ) {
 524         case SVCCTL_CONTROL_STOP:
 525                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 526                         return WERR_ACCESS_DENIED;
 527
 528                 return info->ops->stop_service( info->name,
 529                                                 r->out.service_status );
 530
 531         case SVCCTL_CONTROL_INTERROGATE:
 532                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 533                         return WERR_ACCESS_DENIED;
 534
 535                 return info->ops->service_status( info->name,
 536                                                   r->out.service_status );
 537         default:
 538                 return WERR_INVALID_PARAM;
 539         }
 540 }
 541
 542 /********************************************************************
 543  _svcctl_EnumDependentServicesW
 544 ********************************************************************/
 545
 546 WERROR _svcctl_EnumDependentServicesW(struct pipes_struct *p,
 547                                       struct svcctl_EnumDependentServicesW *r)
 548 {
 549         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
 550
 551         /* perform access checks */
 552
 553         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 554                 return WERR_BADFID;
 555
 556         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 557                 return WERR_ACCESS_DENIED;
 558
 559         switch (r->in.state) {
 560         case SERVICE_STATE_ACTIVE:
 561         case SERVICE_STATE_INACTIVE:
 562         case SERVICE_STATE_ALL:
 563                 break;
 564         default:
 565                 return WERR_INVALID_PARAM;
 566         }
 567
 568         /* we have to set the outgoing buffer size to the same as the
 569            incoming buffer size (even in the case of failure */
 570         /* this is done in the autogenerated server already - gd */
 571
 572         *r->out.needed = r->in.offered;
 573
 574         /* no dependent services...basically a stub function */
 575         *r->out.services_returned = 0;
 576
 577         return WERR_OK;
 578 }
 579
 580 /********************************************************************
 581  _svcctl_QueryServiceStatusEx
 582 ********************************************************************/
 583
 584 WERROR _svcctl_QueryServiceStatusEx(struct pipes_struct *p,
 585                                     struct svcctl_QueryServiceStatusEx *r)
 586 {
 587         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 588         uint32 buffer_size;
 589
 590         /* perform access checks */
 591
 592         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 593                 return WERR_BADFID;
 594
 595         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 596                 return WERR_ACCESS_DENIED;
 597
 598         /* we have to set the outgoing buffer size to the same as the
 599            incoming buffer size (even in the case of failure) */
 600         *r->out.needed = r->in.offered;
 601
 602         switch ( r->in.info_level ) {
 603                 case SVC_STATUS_PROCESS_INFO:
 604                 {
 605                         struct SERVICE_STATUS_PROCESS svc_stat_proc;
 606                         enum ndr_err_code ndr_err;
 607                         DATA_BLOB blob;
 608
 609                         /* Get the status of the service.. */
 610                         info->ops->service_status( info->name, &svc_stat_proc.status );
 611                         svc_stat_proc.process_id     = sys_getpid();
 612                         svc_stat_proc.service_flags  = 0x0;
 613
 614                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &svc_stat_proc,
 615                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
 616                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 617                                 return WERR_INVALID_PARAM;
 618                         }
 619
 620                         r->out.buffer = blob.data;
 621                         buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
 622                         break;
 623                 }
 624
 625                 default:
 626                         return WERR_UNKNOWN_LEVEL;
 627         }
 628
 629
 630         buffer_size += buffer_size % 4;
 631         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 632
 633         if (buffer_size > r->in.offered ) {
 634                 return WERR_INSUFFICIENT_BUFFER;
 635         }
 636
 637         return WERR_OK;
 638 }
 639
 640 /********************************************************************
 641 ********************************************************************/
 642
 643 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
 644                                struct QUERY_SERVICE_CONFIG *config,
 645                                struct security_token *token )
 646 {
 647         struct regval_ctr *values;
 648         struct regval_blob *val;
 649
 650         /* retrieve the registry values for this service */
 651
 652         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 653                 return WERR_REG_CORRUPT;
 654
 655         /* now fill in the individual values */
 656
 657         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 658                 config->displayname = regval_sz(val);
 659         else
 660                 config->displayname = name;
 661
 662         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 663                 config->startname = regval_sz(val);
 664         }
 665
 666         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 667                 config->executablepath = regval_sz(val);
 668         }
 669
 670         /* a few hard coded values */
 671         /* loadordergroup and dependencies are empty */
 672
 673         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 674         config->service_type     = SERVICE_TYPE_WIN32_OWN_PROCESS;
 675         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 676
 677         /* set the start type.  NetLogon and WINS are disabled to prevent
 678            the client from showing the "Start" button (if of course the services
 679            are not running */
 680
 681         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 682                 config->start_type = SVCCTL_DISABLED;
 683         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 684                 config->start_type = SVCCTL_DISABLED;
 685         else
 686                 config->start_type = SVCCTL_DEMAND_START;
 687
 688
 689         TALLOC_FREE( values );
 690
 691         return WERR_OK;
 692 }
 693
 694 /********************************************************************
 695  _svcctl_QueryServiceConfigW
 696 ********************************************************************/
 697
 698 WERROR _svcctl_QueryServiceConfigW(struct pipes_struct *p,
 699                                    struct svcctl_QueryServiceConfigW *r)
 700 {
 701         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 702         uint32 buffer_size;
 703         WERROR wresult;
 704
 705         /* perform access checks */
 706
 707         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 708                 return WERR_BADFID;
 709
 710         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 711                 return WERR_ACCESS_DENIED;
 712
 713         /* we have to set the outgoing buffer size to the same as the
 714            incoming buffer size (even in the case of failure */
 715
 716         *r->out.needed = r->in.offered;
 717
 718         wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
 719                                    p->server_info->ptok);
 720         if ( !W_ERROR_IS_OK(wresult) )
 721                 return wresult;
 722
 723         buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, 0);
 724         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 725
 726         if (buffer_size > r->in.offered ) {
 727                 ZERO_STRUCTP(r->out.query);
 728                 return WERR_INSUFFICIENT_BUFFER;
 729         }
 730
 731         return WERR_OK;
 732 }
 733
 734 /********************************************************************
 735  _svcctl_QueryServiceConfig2W
 736 ********************************************************************/
 737
 738 WERROR _svcctl_QueryServiceConfig2W(struct pipes_struct *p,
 739                                     struct svcctl_QueryServiceConfig2W *r)
 740 {
 741         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 742         uint32 buffer_size;
 743
 744         /* perform access checks */
 745
 746         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 747                 return WERR_BADFID;
 748
 749         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 750                 return WERR_ACCESS_DENIED;
 751
 752         /* we have to set the outgoing buffer size to the same as the
 753            incoming buffer size (even in the case of failure */
 754         *r->out.needed = r->in.offered;
 755
 756         switch ( r->in.info_level ) {
 757         case SERVICE_CONFIG_DESCRIPTION:
 758                 {
 759                         struct SERVICE_DESCRIPTION desc_buf;
 760                         const char *description;
 761                         enum ndr_err_code ndr_err;
 762                         DATA_BLOB blob;
 763
 764                         description = svcctl_lookup_description(
 765                                 p->mem_ctx, info->name, p->server_info->ptok);
 766
 767                         desc_buf.description = description;
 768
 769                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &desc_buf,
 770                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
 771                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 772                                 return WERR_INVALID_PARAM;
 773                         }
 774
 775                         buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, 0);
 776                         r->out.buffer = blob.data;
 777
 778                         break;
 779                 }
 780                 break;
 781         case SERVICE_CONFIG_FAILURE_ACTIONS:
 782                 {
 783                         struct SERVICE_FAILURE_ACTIONS actions;
 784                         enum ndr_err_code ndr_err;
 785                         DATA_BLOB blob;
 786
 787                         /* nothing to say...just service the request */
 788
 789                         ZERO_STRUCT( actions );
 790
 791                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &actions,
 792                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
 793                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 794                                 return WERR_INVALID_PARAM;
 795                         }
 796
 797                         buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, 0);
 798                         r->out.buffer = blob.data;
 799
 800                         break;
 801                 }
 802                 break;
 803
 804         default:
 805                 return WERR_UNKNOWN_LEVEL;
 806         }
 807
 808         buffer_size += buffer_size % 4;
 809         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 810
 811         if (buffer_size > r->in.offered)
 812                 return WERR_INSUFFICIENT_BUFFER;
 813
 814         return WERR_OK;
 815 }
 816
 817 /********************************************************************
 818  _svcctl_LockServiceDatabase
 819 ********************************************************************/
 820
 821 WERROR _svcctl_LockServiceDatabase(struct pipes_struct *p,
 822                                    struct svcctl_LockServiceDatabase *r)
 823 {
 824         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 825
 826         /* perform access checks */
 827
 828         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 829                 return WERR_BADFID;
 830
 831         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 832                 return WERR_ACCESS_DENIED;
 833
 834         /* Just open a handle.  Doesn't actually lock anything */
 835
 836         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 837 }
 838
 839 /********************************************************************
 840  _svcctl_UnlockServiceDatabase
 841 ********************************************************************/
 842
 843 WERROR _svcctl_UnlockServiceDatabase(struct pipes_struct *p,
 844                                      struct svcctl_UnlockServiceDatabase *r)
 845 {
 846         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 847
 848
 849         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 850                 return WERR_BADFID;
 851
 852         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 853 }
 854
 855 /********************************************************************
 856  _svcctl_QueryServiceObjectSecurity
 857 ********************************************************************/
 858
 859 WERROR _svcctl_QueryServiceObjectSecurity(struct pipes_struct *p,
 860                                           struct svcctl_QueryServiceObjectSecurity *r)
 861 {
 862         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 863         struct security_descriptor *sec_desc;
 864         NTSTATUS status;
 865         uint8_t *buffer = NULL;
 866         size_t len = 0;
 867
 868
 869         /* only support the SCM and individual services */
 870
 871         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 872                 return WERR_BADFID;
 873
 874         /* check access reights (according to MSDN) */
 875
 876         if ( !(info->access_granted & SEC_STD_READ_CONTROL) )
 877                 return WERR_ACCESS_DENIED;
 878
 879         /* TODO: handle something besides SECINFO_DACL */
 880
 881         if ( (r->in.security_flags & SECINFO_DACL) != SECINFO_DACL )
 882                 return WERR_INVALID_PARAM;
 883
 884         /* lookup the security descriptor and marshall it up for a reply */
 885
 886         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 887                 return WERR_NOMEM;
 888
 889         *r->out.needed = ndr_size_security_descriptor(sec_desc, 0);
 890
 891         if ( *r->out.needed > r->in.offered) {
 892                 return WERR_INSUFFICIENT_BUFFER;
 893         }
 894
 895         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 896         if (!NT_STATUS_IS_OK(status)) {
 897                 return ntstatus_to_werror(status);
 898         }
 899
 900         *r->out.needed = len;
 901         r->out.buffer = buffer;
 902
 903         return WERR_OK;
 904 }
 905
 906 /********************************************************************
 907  _svcctl_SetServiceObjectSecurity
 908 ********************************************************************/
 909
 910 WERROR _svcctl_SetServiceObjectSecurity(struct pipes_struct *p,
 911                                         struct svcctl_SetServiceObjectSecurity *r)
 912 {
 913         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 914         struct security_descriptor *sec_desc = NULL;
 915         uint32 required_access;
 916         NTSTATUS status;
 917
 918         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 919                 return WERR_BADFID;
 920
 921         /* can't set the security de4scriptor on the ServiceControlManager */
 922
 923         if ( info->type == SVC_HANDLE_IS_SCM )
 924                 return WERR_ACCESS_DENIED;
 925
 926         /* check the access on the open handle */
 927
 928         switch ( r->in.security_flags ) {
 929                 case SECINFO_DACL:
 930                         required_access = SEC_STD_WRITE_DAC;
 931                         break;
 932
 933                 case SECINFO_OWNER:
 934                 case SECINFO_GROUP:
 935                         required_access = SEC_STD_WRITE_OWNER;
 936                         break;
 937
 938                 case SECINFO_SACL:
 939                         return WERR_INVALID_PARAM;
 940                 default:
 941                         return WERR_INVALID_PARAM;
 942         }
 943
 944         if ( !(info->access_granted & required_access) )
 945                 return WERR_ACCESS_DENIED;
 946
 947         /* read the security descfriptor */
 948
 949         status = unmarshall_sec_desc(p->mem_ctx,
 950                                      r->in.buffer,
 951                                      r->in.offered,
 952                                      &sec_desc);
 953         if (!NT_STATUS_IS_OK(status)) {
 954                 return ntstatus_to_werror(status);
 955         }
 956
 957         /* store the new SD */
 958
 959         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
 960                                   p->server_info->ptok) )
 961                 return WERR_ACCESS_DENIED;
 962
 963         return WERR_OK;
 964 }
 965
 966
 967 WERROR _svcctl_DeleteService(struct pipes_struct *p,
 968                              struct svcctl_DeleteService *r)
 969 {
 970         p->rng_fault_state = True;
 971         return WERR_NOT_SUPPORTED;
 972 }
 973
 974 WERROR _svcctl_SetServiceStatus(struct pipes_struct *p,
 975                                 struct svcctl_SetServiceStatus *r)
 976 {
 977         p->rng_fault_state = True;
 978         return WERR_NOT_SUPPORTED;
 979 }
 980
 981 WERROR _svcctl_NotifyBootConfigStatus(struct pipes_struct *p,
 982                                       struct svcctl_NotifyBootConfigStatus *r)
 983 {
 984         p->rng_fault_state = True;
 985         return WERR_NOT_SUPPORTED;
 986 }
 987
 988 WERROR _svcctl_SCSetServiceBitsW(struct pipes_struct *p,
 989                                  struct svcctl_SCSetServiceBitsW *r)
 990 {
 991         p->rng_fault_state = True;
 992         return WERR_NOT_SUPPORTED;
 993 }
 994
 995 WERROR _svcctl_ChangeServiceConfigW(struct pipes_struct *p,
 996                                     struct svcctl_ChangeServiceConfigW *r)
 997 {
 998         p->rng_fault_state = True;
 999         return WERR_NOT_SUPPORTED;
1000 }
1001
1002 WERROR _svcctl_CreateServiceW(struct pipes_struct *p,
1003                               struct svcctl_CreateServiceW *r)
1004 {
1005         p->rng_fault_state = True;
1006         return WERR_NOT_SUPPORTED;
1007 }
1008
1009 WERROR _svcctl_QueryServiceLockStatusW(struct pipes_struct *p,
1010                                        struct svcctl_QueryServiceLockStatusW *r)
1011 {
1012         p->rng_fault_state = True;
1013         return WERR_NOT_SUPPORTED;
1014 }
1015
1016 WERROR _svcctl_GetServiceKeyNameW(struct pipes_struct *p,
1017                                   struct svcctl_GetServiceKeyNameW *r)
1018 {
1019         p->rng_fault_state = True;
1020         return WERR_NOT_SUPPORTED;
1021 }
1022
1023 WERROR _svcctl_SCSetServiceBitsA(struct pipes_struct *p,
1024                                  struct svcctl_SCSetServiceBitsA *r)
1025 {
1026         p->rng_fault_state = True;
1027         return WERR_NOT_SUPPORTED;
1028 }
1029
1030 WERROR _svcctl_ChangeServiceConfigA(struct pipes_struct *p,
1031                                     struct svcctl_ChangeServiceConfigA *r)
1032 {
1033         p->rng_fault_state = True;
1034         return WERR_NOT_SUPPORTED;
1035 }
1036
1037 WERROR _svcctl_CreateServiceA(struct pipes_struct *p,
1038                               struct svcctl_CreateServiceA *r)
1039 {
1040         p->rng_fault_state = True;
1041         return WERR_NOT_SUPPORTED;
1042 }
1043
1044 WERROR _svcctl_EnumDependentServicesA(struct pipes_struct *p,
1045                                       struct svcctl_EnumDependentServicesA *r)
1046 {
1047         p->rng_fault_state = True;
1048         return WERR_NOT_SUPPORTED;
1049 }
1050
1051 WERROR _svcctl_EnumServicesStatusA(struct pipes_struct *p,
1052                                    struct svcctl_EnumServicesStatusA *r)
1053 {
1054         p->rng_fault_state = True;
1055         return WERR_NOT_SUPPORTED;
1056 }
1057
1058 WERROR _svcctl_OpenSCManagerA(struct pipes_struct *p,
1059                               struct svcctl_OpenSCManagerA *r)
1060 {
1061         p->rng_fault_state = True;
1062         return WERR_NOT_SUPPORTED;
1063 }
1064
1065 WERROR _svcctl_OpenServiceA(struct pipes_struct *p,
1066                             struct svcctl_OpenServiceA *r)
1067 {
1068         p->rng_fault_state = True;
1069         return WERR_NOT_SUPPORTED;
1070 }
1071
1072 WERROR _svcctl_QueryServiceConfigA(struct pipes_struct *p,
1073                                    struct svcctl_QueryServiceConfigA *r)
1074 {
1075         p->rng_fault_state = True;
1076         return WERR_NOT_SUPPORTED;
1077 }
1078
1079 WERROR _svcctl_QueryServiceLockStatusA(struct pipes_struct *p,
1080                                        struct svcctl_QueryServiceLockStatusA *r)
1081 {
1082         p->rng_fault_state = True;
1083         return WERR_NOT_SUPPORTED;
1084 }
1085
1086 WERROR _svcctl_StartServiceA(struct pipes_struct *p,
1087                              struct svcctl_StartServiceA *r)
1088 {
1089         p->rng_fault_state = True;
1090         return WERR_NOT_SUPPORTED;
1091 }
1092
1093 WERROR _svcctl_GetServiceDisplayNameA(struct pipes_struct *p,
1094                                       struct svcctl_GetServiceDisplayNameA *r)
1095 {
1096         p->rng_fault_state = True;
1097         return WERR_NOT_SUPPORTED;
1098 }
1099
1100 WERROR _svcctl_GetServiceKeyNameA(struct pipes_struct *p,
1101                                   struct svcctl_GetServiceKeyNameA *r)
1102 {
1103         p->rng_fault_state = True;
1104         return WERR_NOT_SUPPORTED;
1105 }
1106
1107 WERROR _svcctl_GetCurrentGroupeStateW(struct pipes_struct *p,
1108                                       struct svcctl_GetCurrentGroupeStateW *r)
1109 {
1110         p->rng_fault_state = True;
1111         return WERR_NOT_SUPPORTED;
1112 }
1113
1114 WERROR _svcctl_EnumServiceGroupW(struct pipes_struct *p,
1115                                  struct svcctl_EnumServiceGroupW *r)
1116 {
1117         p->rng_fault_state = True;
1118         return WERR_NOT_SUPPORTED;
1119 }
1120
1121 WERROR _svcctl_ChangeServiceConfig2A(struct pipes_struct *p,
1122                                      struct svcctl_ChangeServiceConfig2A *r)
1123 {
1124         p->rng_fault_state = True;
1125         return WERR_NOT_SUPPORTED;
1126 }
1127
1128 WERROR _svcctl_ChangeServiceConfig2W(struct pipes_struct *p,
1129                                      struct svcctl_ChangeServiceConfig2W *r)
1130 {
1131         p->rng_fault_state = True;
1132         return WERR_NOT_SUPPORTED;
1133 }
1134
1135 WERROR _svcctl_QueryServiceConfig2A(struct pipes_struct *p,
1136                                     struct svcctl_QueryServiceConfig2A *r)
1137 {
1138         p->rng_fault_state = True;
1139         return WERR_NOT_SUPPORTED;
1140 }
1141
1142 WERROR _EnumServicesStatusExA(struct pipes_struct *p,
1143                               struct EnumServicesStatusExA *r)
1144 {
1145         p->rng_fault_state = True;
1146         return WERR_NOT_SUPPORTED;
1147 }
1148
1149 WERROR _EnumServicesStatusExW(struct pipes_struct *p,
1150                               struct EnumServicesStatusExW *r)
1151 {
1152         p->rng_fault_state = True;
1153         return WERR_NOT_SUPPORTED;
1154 }
1155
1156 WERROR _svcctl_SCSendTSMessage(struct pipes_struct *p,
1157                                struct svcctl_SCSendTSMessage *r)
1158 {
1159         p->rng_fault_state = True;
1160         return WERR_NOT_SUPPORTED;
1161 }
1162