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 "../libcli/security/security.h"
  29 #include "../librpc/gen_ndr/ndr_security.h"
  30
  31 #undef DBGC_CLASS
  32 #define DBGC_CLASS DBGC_RPC_SRV
  33
  34 struct service_control_op {
  35         const char *name;
  36         SERVICE_CONTROL_OPS *ops;
  37 };
  38
  39 /* handle external services */
  40 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
  41
  42 /* builtin services (see service_db.c and services/svc_*.c */
  43 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
  44 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
  45 extern SERVICE_CONTROL_OPS winreg_svc_ops;
  46 extern SERVICE_CONTROL_OPS wins_svc_ops;
  47
  48 /* make sure this number patches the number of builtin
  49    SERVICE_CONTROL_OPS structure listed above */
  50
  51 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  52
  53 struct service_control_op *svcctl_ops;
  54
  55 static const struct generic_mapping scm_generic_map =
  56         { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
  57 static const struct generic_mapping svc_generic_map =
  58         { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
  59
  60
  61 /********************************************************************
  62 ********************************************************************/
  63
  64 bool init_service_op_table( void )
  65 {
  66         const char **service_list = lp_svcctl_list();
  67         int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
  68         int i;
  69
  70         if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
  71                 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
  72                 return False;
  73         }
  74
  75         /* services listed in smb.conf get the rc.init interface */
  76
  77         for ( i=0; service_list && service_list[i]; i++ ) {
  78                 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
  79                 svcctl_ops[i].ops  = &rcinit_svc_ops;
  80         }
  81
  82         /* add builtin services */
  83
  84         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
  85         svcctl_ops[i].ops  = &spoolss_svc_ops;
  86         i++;
  87
  88         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
  89         svcctl_ops[i].ops  = &netlogon_svc_ops;
  90         i++;
  91
  92         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
  93         svcctl_ops[i].ops  = &winreg_svc_ops;
  94         i++;
  95
  96         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
  97         svcctl_ops[i].ops  = &wins_svc_ops;
  98         i++;
  99
 100         /* NULL terminate the array */
 101
 102         svcctl_ops[i].name = NULL;
 103         svcctl_ops[i].ops  = NULL;
 104
 105         return True;
 106 }
 107
 108 /********************************************************************
 109 ********************************************************************/
 110
 111 static struct service_control_op* find_service_by_name( const char *name )
 112 {
 113         int i;
 114
 115         for ( i=0; svcctl_ops[i].name; i++ ) {
 116                 if ( strequal( name, svcctl_ops[i].name ) )
 117                         return &svcctl_ops[i];
 118         }
 119
 120         return NULL;
 121 }
 122 /********************************************************************
 123 ********************************************************************/
 124
 125 static NTSTATUS svcctl_access_check( struct security_descriptor *sec_desc, struct security_token *token,
 126                                      uint32 access_desired, uint32 *access_granted )
 127 {
 128         if ( geteuid() == sec_initial_uid() ) {
 129                 DEBUG(5,("svcctl_access_check: using root's token\n"));
 130                 token = get_root_nt_token();
 131         }
 132
 133         return se_access_check( sec_desc, token, access_desired, access_granted);
 134 }
 135
 136 /********************************************************************
 137 ********************************************************************/
 138
 139 static struct security_descriptor* construct_scm_sd( TALLOC_CTX *ctx )
 140 {
 141         struct security_ace ace[2];
 142         size_t i = 0;
 143         struct security_descriptor *sd;
 144         struct security_acl *theacl;
 145         size_t sd_size;
 146
 147         /* basic access for Everyone */
 148
 149         init_sec_ace(&ace[i++], &global_sid_World,
 150                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
 151
 152         /* Full Access 'BUILTIN\Administrators' */
 153
 154         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
 155                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
 156
 157
 158         /* create the security descriptor */
 159
 160         if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 161                 return NULL;
 162
 163         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
 164                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
 165                                   theacl, &sd_size)) )
 166                 return NULL;
 167
 168         return sd;
 169 }
 170
 171 /******************************************************************
 172  Find a registry key handle and return a SERVICE_INFO
 173  *****************************************************************/
 174
 175 static SERVICE_INFO *find_service_info_by_hnd(struct pipes_struct *p,
 176                                               struct policy_handle *hnd)
 177 {
 178         SERVICE_INFO *service_info = NULL;
 179
 180         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
 181                 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
 182                 return NULL;
 183         }
 184
 185         return service_info;
 186 }
 187
 188 /******************************************************************
 189  *****************************************************************/
 190
 191 static WERROR create_open_service_handle(struct pipes_struct *p,
 192                                          struct policy_handle *handle,
 193                                          uint32_t type,
 194                                          const char *service,
 195                                          uint32_t access_granted)
 196 {
 197         SERVICE_INFO *info = NULL;
 198         WERROR result = WERR_OK;
 199         struct service_control_op *s_op;
 200
 201         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 202                 return WERR_NOMEM;
 203
 204         /* the Service Manager has a NULL name */
 205
 206         info->type = SVC_HANDLE_IS_SCM;
 207
 208         switch ( type ) {
 209         case SVC_HANDLE_IS_SCM:
 210                 info->type = SVC_HANDLE_IS_SCM;
 211                 break;
 212
 213         case SVC_HANDLE_IS_DBLOCK:
 214                 info->type = SVC_HANDLE_IS_DBLOCK;
 215                 break;
 216
 217         case SVC_HANDLE_IS_SERVICE:
 218                 info->type = SVC_HANDLE_IS_SERVICE;
 219
 220                 /* lookup the SERVICE_CONTROL_OPS */
 221
 222                 if ( !(s_op = find_service_by_name( service )) ) {
 223                         result = WERR_NO_SUCH_SERVICE;
 224                         goto done;
 225                 }
 226
 227                 info->ops = s_op->ops;
 228
 229                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 230                         result = WERR_NOMEM;
 231                         goto done;
 232                 }
 233                 break;
 234
 235         default:
 236                 result = WERR_NO_SUCH_SERVICE;
 237                 goto done;
 238         }
 239
 240         info->access_granted = access_granted;
 241
 242         /* store the SERVICE_INFO and create an open handle */
 243
 244         if ( !create_policy_hnd( p, handle, info ) ) {
 245                 result = WERR_ACCESS_DENIED;
 246                 goto done;
 247         }
 248
 249 done:
 250         if ( !W_ERROR_IS_OK(result) )
 251                 TALLOC_FREE(info);
 252
 253         return result;
 254 }
 255
 256 /********************************************************************
 257  _svcctl_OpenSCManagerW
 258 ********************************************************************/
 259
 260 WERROR _svcctl_OpenSCManagerW(struct pipes_struct *p,
 261                               struct svcctl_OpenSCManagerW *r)
 262 {
 263         struct security_descriptor *sec_desc;
 264         uint32 access_granted = 0;
 265         NTSTATUS status;
 266
 267         /* perform access checks */
 268
 269         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 270                 return WERR_NOMEM;
 271
 272         se_map_generic( &r->in.access_mask, &scm_generic_map );
 273         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 274                                       r->in.access_mask, &access_granted );
 275         if ( !NT_STATUS_IS_OK(status) )
 276                 return ntstatus_to_werror( status );
 277
 278         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 279 }
 280
 281 /********************************************************************
 282  _svcctl_OpenServiceW
 283 ********************************************************************/
 284
 285 WERROR _svcctl_OpenServiceW(struct pipes_struct *p,
 286                             struct svcctl_OpenServiceW *r)
 287 {
 288         struct security_descriptor *sec_desc;
 289         uint32 access_granted = 0;
 290         NTSTATUS status;
 291         const char *service = NULL;
 292
 293         service = r->in.ServiceName;
 294         if (!service) {
 295                 return WERR_NOMEM;
 296         }
 297         DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
 298
 299         /* based on my tests you can open a service if you have a valid scm handle */
 300
 301         if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
 302                 return WERR_BADFID;
 303
 304         /* perform access checks.  Use the root token in order to ensure that we
 305            retrieve the security descriptor */
 306
 307         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 308                 return WERR_NOMEM;
 309
 310         se_map_generic( &r->in.access_mask, &svc_generic_map );
 311         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 312                                       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  _svcctl_CloseServiceHandle
 321 ********************************************************************/
 322
 323 WERROR _svcctl_CloseServiceHandle(struct pipes_struct *p,
 324                                   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(struct 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(struct 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, struct ENUM_SERVICE_STATUSW **status, struct security_token *token )
 390 {
 391         int num_services = 0;
 392         int i;
 393         struct ENUM_SERVICE_STATUSW *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, struct ENUM_SERVICE_STATUSW, num_services )) ) {
 401                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 402                 return -1;
 403         }
 404
 405         for ( i=0; i<num_services; i++ ) {
 406                 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
 407
 408                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 409                 st[i].display_name = talloc_strdup(st, 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  _svcctl_EnumServicesStatusW
 421 ********************************************************************/
 422
 423 WERROR _svcctl_EnumServicesStatusW(struct pipes_struct *p,
 424                                    struct svcctl_EnumServicesStatusW *r)
 425 {
 426         struct ENUM_SERVICE_STATUSW *services = NULL;
 427         int num_services;
 428         int i = 0;
 429         size_t buffer_size = 0;
 430         WERROR result = WERR_OK;
 431         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 432         struct security_token *token = p->server_info->ptok;
 433         DATA_BLOB blob = data_blob_null;
 434
 435         /* perform access checks */
 436
 437         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 438                 return WERR_BADFID;
 439
 440         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 441                 return WERR_ACCESS_DENIED;
 442         }
 443
 444         num_services = enumerate_status( p->mem_ctx, &services, token );
 445         if (num_services == -1 ) {
 446                 return WERR_NOMEM;
 447         }
 448
 449         for ( i=0; i<num_services; i++ ) {
 450                 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], 0);
 451         }
 452
 453         buffer_size += buffer_size % 4;
 454
 455         if (buffer_size > r->in.offered) {
 456                 num_services = 0;
 457                 result = WERR_MORE_DATA;
 458         }
 459
 460         if ( W_ERROR_IS_OK(result) ) {
 461
 462                 enum ndr_err_code ndr_err;
 463                 struct ndr_push *ndr;
 464
 465                 ndr = ndr_push_init_ctx(p->mem_ctx);
 466                 if (ndr == NULL) {
 467                         return WERR_INVALID_PARAM;
 468                 }
 469
 470                 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
 471                         ndr, num_services, services);
 472                 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 473                         return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
 474                 }
 475                 blob = ndr_push_blob(ndr);
 476                 memcpy(r->out.service, blob.data, MIN(blob.length, r->in.offered));
 477         }
 478
 479         *r->out.needed                  = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 480         *r->out.services_returned       = (uint32)num_services;
 481         if (r->out.resume_handle) {
 482                 *r->out.resume_handle   = 0;
 483         }
 484
 485         return result;
 486 }
 487
 488 /********************************************************************
 489  _svcctl_StartServiceW
 490 ********************************************************************/
 491
 492 WERROR _svcctl_StartServiceW(struct pipes_struct *p,
 493                              struct svcctl_StartServiceW *r)
 494 {
 495         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 496
 497         /* perform access checks */
 498
 499         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 500                 return WERR_BADFID;
 501
 502         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 503                 return WERR_ACCESS_DENIED;
 504
 505         return info->ops->start_service( info->name );
 506 }
 507
 508 /********************************************************************
 509  _svcctl_ControlService
 510 ********************************************************************/
 511
 512 WERROR _svcctl_ControlService(struct pipes_struct *p,
 513                               struct svcctl_ControlService *r)
 514 {
 515         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 516
 517         /* perform access checks */
 518
 519         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 520                 return WERR_BADFID;
 521
 522         switch ( r->in.control ) {
 523         case SVCCTL_CONTROL_STOP:
 524                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 525                         return WERR_ACCESS_DENIED;
 526
 527                 return info->ops->stop_service( info->name,
 528                                                 r->out.service_status );
 529
 530         case SVCCTL_CONTROL_INTERROGATE:
 531                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 532                         return WERR_ACCESS_DENIED;
 533
 534                 return info->ops->service_status( info->name,
 535                                                   r->out.service_status );
 536         default:
 537                 return WERR_INVALID_PARAM;
 538         }
 539 }
 540
 541 /********************************************************************
 542  _svcctl_EnumDependentServicesW
 543 ********************************************************************/
 544
 545 WERROR _svcctl_EnumDependentServicesW(struct pipes_struct *p,
 546                                       struct svcctl_EnumDependentServicesW *r)
 547 {
 548         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
 549
 550         /* perform access checks */
 551
 552         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 553                 return WERR_BADFID;
 554
 555         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 556                 return WERR_ACCESS_DENIED;
 557
 558         switch (r->in.state) {
 559         case SERVICE_STATE_ACTIVE:
 560         case SERVICE_STATE_INACTIVE:
 561         case SERVICE_STATE_ALL:
 562                 break;
 563         default:
 564                 return WERR_INVALID_PARAM;
 565         }
 566
 567         /* we have to set the outgoing buffer size to the same as the
 568            incoming buffer size (even in the case of failure */
 569         /* this is done in the autogenerated server already - gd */
 570
 571         *r->out.needed = r->in.offered;
 572
 573         /* no dependent services...basically a stub function */
 574         *r->out.services_returned = 0;
 575
 576         return WERR_OK;
 577 }
 578
 579 /********************************************************************
 580  _svcctl_QueryServiceStatusEx
 581 ********************************************************************/
 582
 583 WERROR _svcctl_QueryServiceStatusEx(struct pipes_struct *p,
 584                                     struct svcctl_QueryServiceStatusEx *r)
 585 {
 586         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 587         uint32 buffer_size;
 588
 589         /* perform access checks */
 590
 591         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 592                 return WERR_BADFID;
 593
 594         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 595                 return WERR_ACCESS_DENIED;
 596
 597         /* we have to set the outgoing buffer size to the same as the
 598            incoming buffer size (even in the case of failure) */
 599         *r->out.needed = r->in.offered;
 600
 601         switch ( r->in.info_level ) {
 602                 case SVC_STATUS_PROCESS_INFO:
 603                 {
 604                         struct SERVICE_STATUS_PROCESS svc_stat_proc;
 605                         enum ndr_err_code ndr_err;
 606                         DATA_BLOB blob;
 607
 608                         /* Get the status of the service.. */
 609                         info->ops->service_status( info->name, &svc_stat_proc.status );
 610                         svc_stat_proc.process_id     = sys_getpid();
 611                         svc_stat_proc.service_flags  = 0x0;
 612
 613                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &svc_stat_proc,
 614                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
 615                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 616                                 return WERR_INVALID_PARAM;
 617                         }
 618
 619                         r->out.buffer = blob.data;
 620                         buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
 621                         break;
 622                 }
 623
 624                 default:
 625                         return WERR_UNKNOWN_LEVEL;
 626         }
 627
 628
 629         buffer_size += buffer_size % 4;
 630         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 631
 632         if (buffer_size > r->in.offered ) {
 633                 return WERR_INSUFFICIENT_BUFFER;
 634         }
 635
 636         return WERR_OK;
 637 }
 638
 639 /********************************************************************
 640 ********************************************************************/
 641
 642 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
 643                                struct QUERY_SERVICE_CONFIG *config,
 644                                struct security_token *token )
 645 {
 646         TALLOC_CTX *mem_ctx = talloc_stackframe();
 647         const char *result = NULL;
 648
 649         /* now fill in the individual values */
 650
 651         config->displayname = svcctl_lookup_dispname(mem_ctx, name, token);
 652
 653         result = svcctl_get_string_value(mem_ctx, name, "ObjectName", token);
 654         if (result != NULL) {
 655                 config->startname = result;
 656         }
 657
 658         result = svcctl_get_string_value(mem_ctx, name, "ImagePath", token);
 659         if (result != NULL) {
 660                 config->executablepath = result;
 661         }
 662
 663         /* a few hard coded values */
 664         /* loadordergroup and dependencies are empty */
 665
 666         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 667         config->service_type     = SERVICE_TYPE_WIN32_OWN_PROCESS;
 668         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 669
 670         /* set the start type.  NetLogon and WINS are disabled to prevent
 671            the client from showing the "Start" button (if of course the services
 672            are not running */
 673
 674         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 675                 config->start_type = SVCCTL_DISABLED;
 676         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 677                 config->start_type = SVCCTL_DISABLED;
 678         else
 679                 config->start_type = SVCCTL_DEMAND_START;
 680
 681
 682         talloc_free(mem_ctx);
 683
 684         return WERR_OK;
 685 }
 686
 687 /********************************************************************
 688  _svcctl_QueryServiceConfigW
 689 ********************************************************************/
 690
 691 WERROR _svcctl_QueryServiceConfigW(struct pipes_struct *p,
 692                                    struct svcctl_QueryServiceConfigW *r)
 693 {
 694         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 695         uint32 buffer_size;
 696         WERROR wresult;
 697
 698         /* perform access checks */
 699
 700         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 701                 return WERR_BADFID;
 702
 703         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 704                 return WERR_ACCESS_DENIED;
 705
 706         /* we have to set the outgoing buffer size to the same as the
 707            incoming buffer size (even in the case of failure */
 708
 709         *r->out.needed = r->in.offered;
 710
 711         wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
 712                                    p->server_info->ptok);
 713         if ( !W_ERROR_IS_OK(wresult) )
 714                 return wresult;
 715
 716         buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, 0);
 717         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 718
 719         if (buffer_size > r->in.offered ) {
 720                 ZERO_STRUCTP(r->out.query);
 721                 return WERR_INSUFFICIENT_BUFFER;
 722         }
 723
 724         return WERR_OK;
 725 }
 726
 727 /********************************************************************
 728  _svcctl_QueryServiceConfig2W
 729 ********************************************************************/
 730
 731 WERROR _svcctl_QueryServiceConfig2W(struct pipes_struct *p,
 732                                     struct svcctl_QueryServiceConfig2W *r)
 733 {
 734         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 735         uint32 buffer_size;
 736
 737         /* perform access checks */
 738
 739         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 740                 return WERR_BADFID;
 741
 742         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 743                 return WERR_ACCESS_DENIED;
 744
 745         /* we have to set the outgoing buffer size to the same as the
 746            incoming buffer size (even in the case of failure */
 747         *r->out.needed = r->in.offered;
 748
 749         switch ( r->in.info_level ) {
 750         case SERVICE_CONFIG_DESCRIPTION:
 751                 {
 752                         struct SERVICE_DESCRIPTION desc_buf;
 753                         const char *description;
 754                         enum ndr_err_code ndr_err;
 755                         DATA_BLOB blob;
 756
 757                         description = svcctl_lookup_description(
 758                                 p->mem_ctx, info->name, p->server_info->ptok);
 759
 760                         desc_buf.description = description;
 761
 762                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &desc_buf,
 763                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
 764                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 765                                 return WERR_INVALID_PARAM;
 766                         }
 767
 768                         buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, 0);
 769                         r->out.buffer = blob.data;
 770
 771                         break;
 772                 }
 773                 break;
 774         case SERVICE_CONFIG_FAILURE_ACTIONS:
 775                 {
 776                         struct SERVICE_FAILURE_ACTIONS actions;
 777                         enum ndr_err_code ndr_err;
 778                         DATA_BLOB blob;
 779
 780                         /* nothing to say...just service the request */
 781
 782                         ZERO_STRUCT( actions );
 783
 784                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &actions,
 785                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
 786                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 787                                 return WERR_INVALID_PARAM;
 788                         }
 789
 790                         buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, 0);
 791                         r->out.buffer = blob.data;
 792
 793                         break;
 794                 }
 795                 break;
 796
 797         default:
 798                 return WERR_UNKNOWN_LEVEL;
 799         }
 800
 801         buffer_size += buffer_size % 4;
 802         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 803
 804         if (buffer_size > r->in.offered)
 805                 return WERR_INSUFFICIENT_BUFFER;
 806
 807         return WERR_OK;
 808 }
 809
 810 /********************************************************************
 811  _svcctl_LockServiceDatabase
 812 ********************************************************************/
 813
 814 WERROR _svcctl_LockServiceDatabase(struct pipes_struct *p,
 815                                    struct svcctl_LockServiceDatabase *r)
 816 {
 817         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 818
 819         /* perform access checks */
 820
 821         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 822                 return WERR_BADFID;
 823
 824         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 825                 return WERR_ACCESS_DENIED;
 826
 827         /* Just open a handle.  Doesn't actually lock anything */
 828
 829         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 830 }
 831
 832 /********************************************************************
 833  _svcctl_UnlockServiceDatabase
 834 ********************************************************************/
 835
 836 WERROR _svcctl_UnlockServiceDatabase(struct pipes_struct *p,
 837                                      struct svcctl_UnlockServiceDatabase *r)
 838 {
 839         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 840
 841
 842         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 843                 return WERR_BADFID;
 844
 845         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 846 }
 847
 848 /********************************************************************
 849  _svcctl_QueryServiceObjectSecurity
 850 ********************************************************************/
 851
 852 WERROR _svcctl_QueryServiceObjectSecurity(struct pipes_struct *p,
 853                                           struct svcctl_QueryServiceObjectSecurity *r)
 854 {
 855         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 856         struct security_descriptor *sec_desc;
 857         NTSTATUS status;
 858         uint8_t *buffer = NULL;
 859         size_t len = 0;
 860
 861
 862         /* only support the SCM and individual services */
 863
 864         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 865                 return WERR_BADFID;
 866
 867         /* check access reights (according to MSDN) */
 868
 869         if ( !(info->access_granted & SEC_STD_READ_CONTROL) )
 870                 return WERR_ACCESS_DENIED;
 871
 872         /* TODO: handle something besides SECINFO_DACL */
 873
 874         if ( (r->in.security_flags & SECINFO_DACL) != SECINFO_DACL )
 875                 return WERR_INVALID_PARAM;
 876
 877         /* lookup the security descriptor and marshall it up for a reply */
 878
 879         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 880                 return WERR_NOMEM;
 881
 882         *r->out.needed = ndr_size_security_descriptor(sec_desc, 0);
 883
 884         if ( *r->out.needed > r->in.offered) {
 885                 return WERR_INSUFFICIENT_BUFFER;
 886         }
 887
 888         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 889         if (!NT_STATUS_IS_OK(status)) {
 890                 return ntstatus_to_werror(status);
 891         }
 892
 893         *r->out.needed = len;
 894         r->out.buffer = buffer;
 895
 896         return WERR_OK;
 897 }
 898
 899 /********************************************************************
 900  _svcctl_SetServiceObjectSecurity
 901 ********************************************************************/
 902
 903 WERROR _svcctl_SetServiceObjectSecurity(struct pipes_struct *p,
 904                                         struct svcctl_SetServiceObjectSecurity *r)
 905 {
 906         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 907         struct security_descriptor *sec_desc = NULL;
 908         uint32 required_access;
 909         NTSTATUS status;
 910
 911         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 912                 return WERR_BADFID;
 913
 914         /* can't set the security de4scriptor on the ServiceControlManager */
 915
 916         if ( info->type == SVC_HANDLE_IS_SCM )
 917                 return WERR_ACCESS_DENIED;
 918
 919         /* check the access on the open handle */
 920
 921         switch ( r->in.security_flags ) {
 922                 case SECINFO_DACL:
 923                         required_access = SEC_STD_WRITE_DAC;
 924                         break;
 925
 926                 case SECINFO_OWNER:
 927                 case SECINFO_GROUP:
 928                         required_access = SEC_STD_WRITE_OWNER;
 929                         break;
 930
 931                 case SECINFO_SACL:
 932                         return WERR_INVALID_PARAM;
 933                 default:
 934                         return WERR_INVALID_PARAM;
 935         }
 936
 937         if ( !(info->access_granted & required_access) )
 938                 return WERR_ACCESS_DENIED;
 939
 940         /* read the security descfriptor */
 941
 942         status = unmarshall_sec_desc(p->mem_ctx,
 943                                      r->in.buffer,
 944                                      r->in.offered,
 945                                      &sec_desc);
 946         if (!NT_STATUS_IS_OK(status)) {
 947                 return ntstatus_to_werror(status);
 948         }
 949
 950         /* store the new SD */
 951
 952         if (!svcctl_set_secdesc(info->name, sec_desc, p->server_info->ptok))
 953                 return WERR_ACCESS_DENIED;
 954
 955         return WERR_OK;
 956 }
 957
 958
 959 WERROR _svcctl_DeleteService(struct pipes_struct *p,
 960                              struct svcctl_DeleteService *r)
 961 {
 962         p->rng_fault_state = True;
 963         return WERR_NOT_SUPPORTED;
 964 }
 965
 966 WERROR _svcctl_SetServiceStatus(struct pipes_struct *p,
 967                                 struct svcctl_SetServiceStatus *r)
 968 {
 969         p->rng_fault_state = True;
 970         return WERR_NOT_SUPPORTED;
 971 }
 972
 973 WERROR _svcctl_NotifyBootConfigStatus(struct pipes_struct *p,
 974                                       struct svcctl_NotifyBootConfigStatus *r)
 975 {
 976         p->rng_fault_state = True;
 977         return WERR_NOT_SUPPORTED;
 978 }
 979
 980 WERROR _svcctl_SCSetServiceBitsW(struct pipes_struct *p,
 981                                  struct svcctl_SCSetServiceBitsW *r)
 982 {
 983         p->rng_fault_state = True;
 984         return WERR_NOT_SUPPORTED;
 985 }
 986
 987 WERROR _svcctl_ChangeServiceConfigW(struct pipes_struct *p,
 988                                     struct svcctl_ChangeServiceConfigW *r)
 989 {
 990         p->rng_fault_state = True;
 991         return WERR_NOT_SUPPORTED;
 992 }
 993
 994 WERROR _svcctl_CreateServiceW(struct pipes_struct *p,
 995                               struct svcctl_CreateServiceW *r)
 996 {
 997         p->rng_fault_state = True;
 998         return WERR_NOT_SUPPORTED;
 999 }
1000
1001 WERROR _svcctl_QueryServiceLockStatusW(struct pipes_struct *p,
1002                                        struct svcctl_QueryServiceLockStatusW *r)
1003 {
1004         p->rng_fault_state = True;
1005         return WERR_NOT_SUPPORTED;
1006 }
1007
1008 WERROR _svcctl_GetServiceKeyNameW(struct pipes_struct *p,
1009                                   struct svcctl_GetServiceKeyNameW *r)
1010 {
1011         p->rng_fault_state = True;
1012         return WERR_NOT_SUPPORTED;
1013 }
1014
1015 WERROR _svcctl_SCSetServiceBitsA(struct pipes_struct *p,
1016                                  struct svcctl_SCSetServiceBitsA *r)
1017 {
1018         p->rng_fault_state = True;
1019         return WERR_NOT_SUPPORTED;
1020 }
1021
1022 WERROR _svcctl_ChangeServiceConfigA(struct pipes_struct *p,
1023                                     struct svcctl_ChangeServiceConfigA *r)
1024 {
1025         p->rng_fault_state = True;
1026         return WERR_NOT_SUPPORTED;
1027 }
1028
1029 WERROR _svcctl_CreateServiceA(struct pipes_struct *p,
1030                               struct svcctl_CreateServiceA *r)
1031 {
1032         p->rng_fault_state = True;
1033         return WERR_NOT_SUPPORTED;
1034 }
1035
1036 WERROR _svcctl_EnumDependentServicesA(struct pipes_struct *p,
1037                                       struct svcctl_EnumDependentServicesA *r)
1038 {
1039         p->rng_fault_state = True;
1040         return WERR_NOT_SUPPORTED;
1041 }
1042
1043 WERROR _svcctl_EnumServicesStatusA(struct pipes_struct *p,
1044                                    struct svcctl_EnumServicesStatusA *r)
1045 {
1046         p->rng_fault_state = True;
1047         return WERR_NOT_SUPPORTED;
1048 }
1049
1050 WERROR _svcctl_OpenSCManagerA(struct pipes_struct *p,
1051                               struct svcctl_OpenSCManagerA *r)
1052 {
1053         p->rng_fault_state = True;
1054         return WERR_NOT_SUPPORTED;
1055 }
1056
1057 WERROR _svcctl_OpenServiceA(struct pipes_struct *p,
1058                             struct svcctl_OpenServiceA *r)
1059 {
1060         p->rng_fault_state = True;
1061         return WERR_NOT_SUPPORTED;
1062 }
1063
1064 WERROR _svcctl_QueryServiceConfigA(struct pipes_struct *p,
1065                                    struct svcctl_QueryServiceConfigA *r)
1066 {
1067         p->rng_fault_state = True;
1068         return WERR_NOT_SUPPORTED;
1069 }
1070
1071 WERROR _svcctl_QueryServiceLockStatusA(struct pipes_struct *p,
1072                                        struct svcctl_QueryServiceLockStatusA *r)
1073 {
1074         p->rng_fault_state = True;
1075         return WERR_NOT_SUPPORTED;
1076 }
1077
1078 WERROR _svcctl_StartServiceA(struct pipes_struct *p,
1079                              struct svcctl_StartServiceA *r)
1080 {
1081         p->rng_fault_state = True;
1082         return WERR_NOT_SUPPORTED;
1083 }
1084
1085 WERROR _svcctl_GetServiceDisplayNameA(struct pipes_struct *p,
1086                                       struct svcctl_GetServiceDisplayNameA *r)
1087 {
1088         p->rng_fault_state = True;
1089         return WERR_NOT_SUPPORTED;
1090 }
1091
1092 WERROR _svcctl_GetServiceKeyNameA(struct pipes_struct *p,
1093                                   struct svcctl_GetServiceKeyNameA *r)
1094 {
1095         p->rng_fault_state = True;
1096         return WERR_NOT_SUPPORTED;
1097 }
1098
1099 WERROR _svcctl_GetCurrentGroupeStateW(struct pipes_struct *p,
1100                                       struct svcctl_GetCurrentGroupeStateW *r)
1101 {
1102         p->rng_fault_state = True;
1103         return WERR_NOT_SUPPORTED;
1104 }
1105
1106 WERROR _svcctl_EnumServiceGroupW(struct pipes_struct *p,
1107                                  struct svcctl_EnumServiceGroupW *r)
1108 {
1109         p->rng_fault_state = True;
1110         return WERR_NOT_SUPPORTED;
1111 }
1112
1113 WERROR _svcctl_ChangeServiceConfig2A(struct pipes_struct *p,
1114                                      struct svcctl_ChangeServiceConfig2A *r)
1115 {
1116         p->rng_fault_state = True;
1117         return WERR_NOT_SUPPORTED;
1118 }
1119
1120 WERROR _svcctl_ChangeServiceConfig2W(struct pipes_struct *p,
1121                                      struct svcctl_ChangeServiceConfig2W *r)
1122 {
1123         p->rng_fault_state = True;
1124         return WERR_NOT_SUPPORTED;
1125 }
1126
1127 WERROR _svcctl_QueryServiceConfig2A(struct pipes_struct *p,
1128                                     struct svcctl_QueryServiceConfig2A *r)
1129 {
1130         p->rng_fault_state = True;
1131         return WERR_NOT_SUPPORTED;
1132 }
1133
1134 WERROR _EnumServicesStatusExA(struct pipes_struct *p,
1135                               struct EnumServicesStatusExA *r)
1136 {
1137         p->rng_fault_state = True;
1138         return WERR_NOT_SUPPORTED;
1139 }
1140
1141 WERROR _EnumServicesStatusExW(struct pipes_struct *p,
1142                               struct EnumServicesStatusExW *r)
1143 {
1144         p->rng_fault_state = True;
1145         return WERR_NOT_SUPPORTED;
1146 }
1147
1148 WERROR _svcctl_SCSendTSMessage(struct pipes_struct *p,
1149                                struct svcctl_SCSendTSMessage *r)
1150 {
1151         p->rng_fault_state = True;
1152         return WERR_NOT_SUPPORTED;
1153 }
1154