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, NT_USER_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(pipes_struct *p, 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( pipes_struct *p, struct policy_handle *handle, uint32 type,
 192                                           const char *service, uint32 access_granted )
 193 {
 194         SERVICE_INFO *info = NULL;
 195         WERROR result = WERR_OK;
 196         struct service_control_op *s_op;
 197
 198         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 199                 return WERR_NOMEM;
 200
 201         /* the Service Manager has a NULL name */
 202
 203         info->type = SVC_HANDLE_IS_SCM;
 204
 205         switch ( type ) {
 206         case SVC_HANDLE_IS_SCM:
 207                 info->type = SVC_HANDLE_IS_SCM;
 208                 break;
 209
 210         case SVC_HANDLE_IS_DBLOCK:
 211                 info->type = SVC_HANDLE_IS_DBLOCK;
 212                 break;
 213
 214         case SVC_HANDLE_IS_SERVICE:
 215                 info->type = SVC_HANDLE_IS_SERVICE;
 216
 217                 /* lookup the SERVICE_CONTROL_OPS */
 218
 219                 if ( !(s_op = find_service_by_name( service )) ) {
 220                         result = WERR_NO_SUCH_SERVICE;
 221                         goto done;
 222                 }
 223
 224                 info->ops = s_op->ops;
 225
 226                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 227                         result = WERR_NOMEM;
 228                         goto done;
 229                 }
 230                 break;
 231
 232         default:
 233                 result = WERR_NO_SUCH_SERVICE;
 234                 goto done;
 235         }
 236
 237         info->access_granted = access_granted;
 238
 239         /* store the SERVICE_INFO and create an open handle */
 240
 241         if ( !create_policy_hnd( p, handle, info ) ) {
 242                 result = WERR_ACCESS_DENIED;
 243                 goto done;
 244         }
 245
 246 done:
 247         if ( !W_ERROR_IS_OK(result) )
 248                 TALLOC_FREE(info);
 249
 250         return result;
 251 }
 252
 253 /********************************************************************
 254  _svcctl_OpenSCManagerW
 255 ********************************************************************/
 256
 257 WERROR _svcctl_OpenSCManagerW(pipes_struct *p,
 258                               struct svcctl_OpenSCManagerW *r)
 259 {
 260         struct security_descriptor *sec_desc;
 261         uint32 access_granted = 0;
 262         NTSTATUS status;
 263
 264         /* perform access checks */
 265
 266         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 267                 return WERR_NOMEM;
 268
 269         se_map_generic( &r->in.access_mask, &scm_generic_map );
 270         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 271                                       r->in.access_mask, &access_granted );
 272         if ( !NT_STATUS_IS_OK(status) )
 273                 return ntstatus_to_werror( status );
 274
 275         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 276 }
 277
 278 /********************************************************************
 279  _svcctl_OpenServiceW
 280 ********************************************************************/
 281
 282 WERROR _svcctl_OpenServiceW(pipes_struct *p,
 283                             struct svcctl_OpenServiceW *r)
 284 {
 285         struct security_descriptor *sec_desc;
 286         uint32 access_granted = 0;
 287         NTSTATUS status;
 288         const char *service = NULL;
 289
 290         service = r->in.ServiceName;
 291         if (!service) {
 292                 return WERR_NOMEM;
 293         }
 294         DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
 295
 296         /* based on my tests you can open a service if you have a valid scm handle */
 297
 298         if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
 299                 return WERR_BADFID;
 300
 301         /* perform access checks.  Use the root token in order to ensure that we
 302            retrieve the security descriptor */
 303
 304         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 305                 return WERR_NOMEM;
 306
 307         se_map_generic( &r->in.access_mask, &svc_generic_map );
 308         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 309                                       r->in.access_mask, &access_granted );
 310         if ( !NT_STATUS_IS_OK(status) )
 311                 return ntstatus_to_werror( status );
 312
 313         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 314 }
 315
 316 /********************************************************************
 317  _svcctl_CloseServiceHandle
 318 ********************************************************************/
 319
 320 WERROR _svcctl_CloseServiceHandle(pipes_struct *p,
 321                                   struct svcctl_CloseServiceHandle *r)
 322 {
 323         if ( !close_policy_hnd( p, r->in.handle ) )
 324                 return  WERR_BADFID;
 325
 326         ZERO_STRUCTP(r->out.handle);
 327
 328         return WERR_OK;
 329 }
 330
 331 /********************************************************************
 332  _svcctl_GetServiceDisplayNameW
 333 ********************************************************************/
 334
 335 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p,
 336                                       struct svcctl_GetServiceDisplayNameW *r)
 337 {
 338         const char *service;
 339         const char *display_name;
 340         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 341
 342         /* can only use an SCM handle here */
 343
 344         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 345                 return WERR_BADFID;
 346
 347         service = r->in.service_name;
 348
 349         display_name = svcctl_lookup_dispname(p->mem_ctx, service,
 350                                               p->server_info->ptok);
 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, struct ENUM_SERVICE_STATUSW **status, NT_USER_TOKEN *token )
 387 {
 388         int num_services = 0;
 389         int i;
 390         struct ENUM_SERVICE_STATUSW *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, struct ENUM_SERVICE_STATUSW, num_services )) ) {
 398                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 399                 return -1;
 400         }
 401
 402         for ( i=0; i<num_services; i++ ) {
 403                 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
 404
 405                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 406                 st[i].display_name = talloc_strdup(st, 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  _svcctl_EnumServicesStatusW
 418 ********************************************************************/
 419
 420 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p,
 421                                    struct svcctl_EnumServicesStatusW *r)
 422 {
 423         struct ENUM_SERVICE_STATUSW *services = NULL;
 424         int num_services;
 425         int i = 0;
 426         size_t buffer_size = 0;
 427         WERROR result = WERR_OK;
 428         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 429         NT_USER_TOKEN *token = p->server_info->ptok;
 430         DATA_BLOB blob = data_blob_null;
 431
 432         /* perform access checks */
 433
 434         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 435                 return WERR_BADFID;
 436
 437         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 438                 return WERR_ACCESS_DENIED;
 439         }
 440
 441         num_services = enumerate_status( p->mem_ctx, &services, token );
 442         if (num_services == -1 ) {
 443                 return WERR_NOMEM;
 444         }
 445
 446         for ( i=0; i<num_services; i++ ) {
 447                 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], 0);
 448         }
 449
 450         buffer_size += buffer_size % 4;
 451
 452         if (buffer_size > r->in.offered) {
 453                 num_services = 0;
 454                 result = WERR_MORE_DATA;
 455         }
 456
 457         if ( W_ERROR_IS_OK(result) ) {
 458
 459                 enum ndr_err_code ndr_err;
 460                 struct ndr_push *ndr;
 461
 462                 ndr = ndr_push_init_ctx(p->mem_ctx);
 463                 if (ndr == NULL) {
 464                         return WERR_INVALID_PARAM;
 465                 }
 466
 467                 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
 468                         ndr, num_services, services);
 469                 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 470                         return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
 471                 }
 472                 blob = ndr_push_blob(ndr);
 473                 memcpy(r->out.service, blob.data, MIN(blob.length, r->in.offered));
 474         }
 475
 476         *r->out.needed                  = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 477         *r->out.services_returned       = (uint32)num_services;
 478         if (r->out.resume_handle) {
 479                 *r->out.resume_handle   = 0;
 480         }
 481
 482         return result;
 483 }
 484
 485 /********************************************************************
 486  _svcctl_StartServiceW
 487 ********************************************************************/
 488
 489 WERROR _svcctl_StartServiceW(pipes_struct *p,
 490                              struct svcctl_StartServiceW *r)
 491 {
 492         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 493
 494         /* perform access checks */
 495
 496         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 497                 return WERR_BADFID;
 498
 499         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 500                 return WERR_ACCESS_DENIED;
 501
 502         return info->ops->start_service( info->name );
 503 }
 504
 505 /********************************************************************
 506  _svcctl_ControlService
 507 ********************************************************************/
 508
 509 WERROR _svcctl_ControlService(pipes_struct *p,
 510                               struct svcctl_ControlService *r)
 511 {
 512         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 513
 514         /* perform access checks */
 515
 516         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 517                 return WERR_BADFID;
 518
 519         switch ( r->in.control ) {
 520         case SVCCTL_CONTROL_STOP:
 521                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 522                         return WERR_ACCESS_DENIED;
 523
 524                 return info->ops->stop_service( info->name,
 525                                                 r->out.service_status );
 526
 527         case SVCCTL_CONTROL_INTERROGATE:
 528                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 529                         return WERR_ACCESS_DENIED;
 530
 531                 return info->ops->service_status( info->name,
 532                                                   r->out.service_status );
 533         default:
 534                 return WERR_INVALID_PARAM;
 535         }
 536 }
 537
 538 /********************************************************************
 539  _svcctl_EnumDependentServicesW
 540 ********************************************************************/
 541
 542 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
 543                                       struct svcctl_EnumDependentServicesW *r)
 544 {
 545         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
 546
 547         /* perform access checks */
 548
 549         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 550                 return WERR_BADFID;
 551
 552         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 553                 return WERR_ACCESS_DENIED;
 554
 555         switch (r->in.state) {
 556         case SERVICE_STATE_ACTIVE:
 557         case SERVICE_STATE_INACTIVE:
 558         case SERVICE_STATE_ALL:
 559                 break;
 560         default:
 561                 return WERR_INVALID_PARAM;
 562         }
 563
 564         /* we have to set the outgoing buffer size to the same as the
 565            incoming buffer size (even in the case of failure */
 566         /* this is done in the autogenerated server already - gd */
 567
 568         *r->out.needed = r->in.offered;
 569
 570         /* no dependent services...basically a stub function */
 571         *r->out.services_returned = 0;
 572
 573         return WERR_OK;
 574 }
 575
 576 /********************************************************************
 577  _svcctl_QueryServiceStatusEx
 578 ********************************************************************/
 579
 580 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p,
 581                                     struct svcctl_QueryServiceStatusEx *r)
 582 {
 583         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 584         uint32 buffer_size;
 585
 586         /* perform access checks */
 587
 588         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 589                 return WERR_BADFID;
 590
 591         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 592                 return WERR_ACCESS_DENIED;
 593
 594         /* we have to set the outgoing buffer size to the same as the
 595            incoming buffer size (even in the case of failure) */
 596         *r->out.needed = r->in.offered;
 597
 598         switch ( r->in.info_level ) {
 599                 case SVC_STATUS_PROCESS_INFO:
 600                 {
 601                         struct SERVICE_STATUS_PROCESS svc_stat_proc;
 602                         enum ndr_err_code ndr_err;
 603                         DATA_BLOB blob;
 604
 605                         /* Get the status of the service.. */
 606                         info->ops->service_status( info->name, &svc_stat_proc.status );
 607                         svc_stat_proc.process_id     = sys_getpid();
 608                         svc_stat_proc.service_flags  = 0x0;
 609
 610                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &svc_stat_proc,
 611                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
 612                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 613                                 return WERR_INVALID_PARAM;
 614                         }
 615
 616                         r->out.buffer = blob.data;
 617                         buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
 618                         break;
 619                 }
 620
 621                 default:
 622                         return WERR_UNKNOWN_LEVEL;
 623         }
 624
 625
 626         buffer_size += buffer_size % 4;
 627         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 628
 629         if (buffer_size > r->in.offered ) {
 630                 return WERR_INSUFFICIENT_BUFFER;
 631         }
 632
 633         return WERR_OK;
 634 }
 635
 636 /********************************************************************
 637 ********************************************************************/
 638
 639 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
 640                                struct QUERY_SERVICE_CONFIG *config,
 641                                NT_USER_TOKEN *token )
 642 {
 643         struct regval_ctr *values;
 644         struct regval_blob *val;
 645
 646         /* retrieve the registry values for this service */
 647
 648         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 649                 return WERR_REG_CORRUPT;
 650
 651         /* now fill in the individual values */
 652
 653         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 654                 config->displayname = regval_sz(val);
 655         else
 656                 config->displayname = name;
 657
 658         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 659                 config->startname = regval_sz(val);
 660         }
 661
 662         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 663                 config->executablepath = regval_sz(val);
 664         }
 665
 666         /* a few hard coded values */
 667         /* loadordergroup and dependencies are empty */
 668
 669         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 670         config->service_type     = SERVICE_TYPE_WIN32_OWN_PROCESS;
 671         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 672
 673         /* set the start type.  NetLogon and WINS are disabled to prevent
 674            the client from showing the "Start" button (if of course the services
 675            are not running */
 676
 677         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 678                 config->start_type = SVCCTL_DISABLED;
 679         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 680                 config->start_type = SVCCTL_DISABLED;
 681         else
 682                 config->start_type = SVCCTL_DEMAND_START;
 683
 684
 685         TALLOC_FREE( values );
 686
 687         return WERR_OK;
 688 }
 689
 690 /********************************************************************
 691  _svcctl_QueryServiceConfigW
 692 ********************************************************************/
 693
 694 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
 695                                    struct svcctl_QueryServiceConfigW *r)
 696 {
 697         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 698         uint32 buffer_size;
 699         WERROR wresult;
 700
 701         /* perform access checks */
 702
 703         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 704                 return WERR_BADFID;
 705
 706         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 707                 return WERR_ACCESS_DENIED;
 708
 709         /* we have to set the outgoing buffer size to the same as the
 710            incoming buffer size (even in the case of failure */
 711
 712         *r->out.needed = r->in.offered;
 713
 714         wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
 715                                    p->server_info->ptok);
 716         if ( !W_ERROR_IS_OK(wresult) )
 717                 return wresult;
 718
 719         buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, 0);
 720         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 721
 722         if (buffer_size > r->in.offered ) {
 723                 ZERO_STRUCTP(r->out.query);
 724                 return WERR_INSUFFICIENT_BUFFER;
 725         }
 726
 727         return WERR_OK;
 728 }
 729
 730 /********************************************************************
 731  _svcctl_QueryServiceConfig2W
 732 ********************************************************************/
 733
 734 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p,
 735                                     struct svcctl_QueryServiceConfig2W *r)
 736 {
 737         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 738         uint32 buffer_size;
 739
 740         /* perform access checks */
 741
 742         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 743                 return WERR_BADFID;
 744
 745         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 746                 return WERR_ACCESS_DENIED;
 747
 748         /* we have to set the outgoing buffer size to the same as the
 749            incoming buffer size (even in the case of failure */
 750         *r->out.needed = r->in.offered;
 751
 752         switch ( r->in.info_level ) {
 753         case SERVICE_CONFIG_DESCRIPTION:
 754                 {
 755                         struct SERVICE_DESCRIPTION desc_buf;
 756                         const char *description;
 757                         enum ndr_err_code ndr_err;
 758                         DATA_BLOB blob;
 759
 760                         description = svcctl_lookup_description(
 761                                 p->mem_ctx, info->name, p->server_info->ptok);
 762
 763                         desc_buf.description = description;
 764
 765                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &desc_buf,
 766                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
 767                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 768                                 return WERR_INVALID_PARAM;
 769                         }
 770
 771                         buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, 0);
 772                         r->out.buffer = blob.data;
 773
 774                         break;
 775                 }
 776                 break;
 777         case SERVICE_CONFIG_FAILURE_ACTIONS:
 778                 {
 779                         struct SERVICE_FAILURE_ACTIONS actions;
 780                         enum ndr_err_code ndr_err;
 781                         DATA_BLOB blob;
 782
 783                         /* nothing to say...just service the request */
 784
 785                         ZERO_STRUCT( actions );
 786
 787                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &actions,
 788                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
 789                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 790                                 return WERR_INVALID_PARAM;
 791                         }
 792
 793                         buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, 0);
 794                         r->out.buffer = blob.data;
 795
 796                         break;
 797                 }
 798                 break;
 799
 800         default:
 801                 return WERR_UNKNOWN_LEVEL;
 802         }
 803
 804         buffer_size += buffer_size % 4;
 805         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 806
 807         if (buffer_size > r->in.offered)
 808                 return WERR_INSUFFICIENT_BUFFER;
 809
 810         return WERR_OK;
 811 }
 812
 813 /********************************************************************
 814  _svcctl_LockServiceDatabase
 815 ********************************************************************/
 816
 817 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
 818                                    struct svcctl_LockServiceDatabase *r)
 819 {
 820         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 821
 822         /* perform access checks */
 823
 824         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 825                 return WERR_BADFID;
 826
 827         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 828                 return WERR_ACCESS_DENIED;
 829
 830         /* Just open a handle.  Doesn't actually lock anything */
 831
 832         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 833 }
 834
 835 /********************************************************************
 836  _svcctl_UnlockServiceDatabase
 837 ********************************************************************/
 838
 839 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
 840                                      struct svcctl_UnlockServiceDatabase *r)
 841 {
 842         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 843
 844
 845         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 846                 return WERR_BADFID;
 847
 848         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 849 }
 850
 851 /********************************************************************
 852  _svcctl_QueryServiceObjectSecurity
 853 ********************************************************************/
 854
 855 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
 856                                           struct svcctl_QueryServiceObjectSecurity *r)
 857 {
 858         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 859         struct security_descriptor *sec_desc;
 860         NTSTATUS status;
 861         uint8_t *buffer = NULL;
 862         size_t len = 0;
 863
 864
 865         /* only support the SCM and individual services */
 866
 867         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 868                 return WERR_BADFID;
 869
 870         /* check access reights (according to MSDN) */
 871
 872         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 873                 return WERR_ACCESS_DENIED;
 874
 875         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 876
 877         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 878                 return WERR_INVALID_PARAM;
 879
 880         /* lookup the security descriptor and marshall it up for a reply */
 881
 882         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 883                 return WERR_NOMEM;
 884
 885         *r->out.needed = ndr_size_security_descriptor(sec_desc, 0);
 886
 887         if ( *r->out.needed > r->in.offered) {
 888                 return WERR_INSUFFICIENT_BUFFER;
 889         }
 890
 891         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 892         if (!NT_STATUS_IS_OK(status)) {
 893                 return ntstatus_to_werror(status);
 894         }
 895
 896         *r->out.needed = len;
 897         r->out.buffer = buffer;
 898
 899         return WERR_OK;
 900 }
 901
 902 /********************************************************************
 903  _svcctl_SetServiceObjectSecurity
 904 ********************************************************************/
 905
 906 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
 907                                         struct svcctl_SetServiceObjectSecurity *r)
 908 {
 909         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 910         struct security_descriptor *sec_desc = NULL;
 911         uint32 required_access;
 912         NTSTATUS status;
 913
 914         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 915                 return WERR_BADFID;
 916
 917         /* can't set the security de4scriptor on the ServiceControlManager */
 918
 919         if ( info->type == SVC_HANDLE_IS_SCM )
 920                 return WERR_ACCESS_DENIED;
 921
 922         /* check the access on the open handle */
 923
 924         switch ( r->in.security_flags ) {
 925                 case DACL_SECURITY_INFORMATION:
 926                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 927                         break;
 928
 929                 case SECINFO_OWNER:
 930                 case GROUP_SECURITY_INFORMATION:
 931                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 932                         break;
 933
 934                 case SACL_SECURITY_INFORMATION:
 935                         return WERR_INVALID_PARAM;
 936                 default:
 937                         return WERR_INVALID_PARAM;
 938         }
 939
 940         if ( !(info->access_granted & required_access) )
 941                 return WERR_ACCESS_DENIED;
 942
 943         /* read the security descfriptor */
 944
 945         status = unmarshall_sec_desc(p->mem_ctx,
 946                                      r->in.buffer,
 947                                      r->in.offered,
 948                                      &sec_desc);
 949         if (!NT_STATUS_IS_OK(status)) {
 950                 return ntstatus_to_werror(status);
 951         }
 952
 953         /* store the new SD */
 954
 955         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
 956                                   p->server_info->ptok) )
 957                 return WERR_ACCESS_DENIED;
 958
 959         return WERR_OK;
 960 }
 961
 962
 963 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 964 {
 965         p->rng_fault_state = True;
 966         return WERR_NOT_SUPPORTED;
 967 }
 968
 969 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 970 {
 971         p->rng_fault_state = True;
 972         return WERR_NOT_SUPPORTED;
 973 }
 974
 975 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 976 {
 977         p->rng_fault_state = True;
 978         return WERR_NOT_SUPPORTED;
 979 }
 980
 981 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 982 {
 983         p->rng_fault_state = True;
 984         return WERR_NOT_SUPPORTED;
 985 }
 986
 987 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 988 {
 989         p->rng_fault_state = True;
 990         return WERR_NOT_SUPPORTED;
 991 }
 992
 993 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 994 {
 995         p->rng_fault_state = True;
 996         return WERR_NOT_SUPPORTED;
 997 }
 998
 999 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
1000 {
1001         p->rng_fault_state = True;
1002         return WERR_NOT_SUPPORTED;
1003 }
1004
1005 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
1006 {
1007         p->rng_fault_state = True;
1008         return WERR_NOT_SUPPORTED;
1009 }
1010
1011 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1012 {
1013         p->rng_fault_state = True;
1014         return WERR_NOT_SUPPORTED;
1015 }
1016
1017 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1018 {
1019         p->rng_fault_state = True;
1020         return WERR_NOT_SUPPORTED;
1021 }
1022
1023 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1024 {
1025         p->rng_fault_state = True;
1026         return WERR_NOT_SUPPORTED;
1027 }
1028
1029 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1030 {
1031         p->rng_fault_state = True;
1032         return WERR_NOT_SUPPORTED;
1033 }
1034
1035 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1036 {
1037         p->rng_fault_state = True;
1038         return WERR_NOT_SUPPORTED;
1039 }
1040
1041 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1042 {
1043         p->rng_fault_state = True;
1044         return WERR_NOT_SUPPORTED;
1045 }
1046
1047 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1048 {
1049         p->rng_fault_state = True;
1050         return WERR_NOT_SUPPORTED;
1051 }
1052
1053 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1054 {
1055         p->rng_fault_state = True;
1056         return WERR_NOT_SUPPORTED;
1057 }
1058
1059 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1060 {
1061         p->rng_fault_state = True;
1062         return WERR_NOT_SUPPORTED;
1063 }
1064
1065 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1066 {
1067         p->rng_fault_state = True;
1068         return WERR_NOT_SUPPORTED;
1069 }
1070
1071 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1072 {
1073         p->rng_fault_state = True;
1074         return WERR_NOT_SUPPORTED;
1075 }
1076
1077 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1078 {
1079         p->rng_fault_state = True;
1080         return WERR_NOT_SUPPORTED;
1081 }
1082
1083 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1084 {
1085         p->rng_fault_state = True;
1086         return WERR_NOT_SUPPORTED;
1087 }
1088
1089 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1090 {
1091         p->rng_fault_state = True;
1092         return WERR_NOT_SUPPORTED;
1093 }
1094
1095 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1096 {
1097         p->rng_fault_state = True;
1098         return WERR_NOT_SUPPORTED;
1099 }
1100
1101 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1102 {
1103         p->rng_fault_state = True;
1104         return WERR_NOT_SUPPORTED;
1105 }
1106
1107 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1108 {
1109         p->rng_fault_state = True;
1110         return WERR_NOT_SUPPORTED;
1111 }
1112
1113 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1114 {
1115         p->rng_fault_state = True;
1116         return WERR_NOT_SUPPORTED;
1117 }
1118
1119 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1120 {
1121         p->rng_fault_state = True;
1122         return WERR_NOT_SUPPORTED;
1123 }
1124
1125 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1126 {
1127         p->rng_fault_state = True;
1128         return WERR_NOT_SUPPORTED;
1129 }
1130