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
  30 #undef DBGC_CLASS
  31 #define DBGC_CLASS DBGC_RPC_SRV
  32
  33 struct service_control_op {
  34         const char *name;
  35         SERVICE_CONTROL_OPS *ops;
  36 };
  37
  38 /* handle external services */
  39 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
  40
  41 /* builtin services (see service_db.c and services/svc_*.c */
  42 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
  43 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
  44 extern SERVICE_CONTROL_OPS winreg_svc_ops;
  45 extern SERVICE_CONTROL_OPS wins_svc_ops;
  46
  47 /* make sure this number patches the number of builtin
  48    SERVICE_CONTROL_OPS structure listed above */
  49
  50 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  51
  52 struct service_control_op *svcctl_ops;
  53
  54 static const struct generic_mapping scm_generic_map =
  55         { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
  56 static const struct generic_mapping svc_generic_map =
  57         { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
  58
  59
  60 /********************************************************************
  61 ********************************************************************/
  62
  63 bool init_service_op_table( void )
  64 {
  65         const char **service_list = lp_svcctl_list();
  66         int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
  67         int i;
  68
  69         if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
  70                 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
  71                 return False;
  72         }
  73
  74         /* services listed in smb.conf get the rc.init interface */
  75
  76         for ( i=0; service_list && service_list[i]; i++ ) {
  77                 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
  78                 svcctl_ops[i].ops  = &rcinit_svc_ops;
  79         }
  80
  81         /* add builtin services */
  82
  83         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
  84         svcctl_ops[i].ops  = &spoolss_svc_ops;
  85         i++;
  86
  87         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
  88         svcctl_ops[i].ops  = &netlogon_svc_ops;
  89         i++;
  90
  91         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
  92         svcctl_ops[i].ops  = &winreg_svc_ops;
  93         i++;
  94
  95         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
  96         svcctl_ops[i].ops  = &wins_svc_ops;
  97         i++;
  98
  99         /* NULL terminate the array */
 100
 101         svcctl_ops[i].name = NULL;
 102         svcctl_ops[i].ops  = NULL;
 103
 104         return True;
 105 }
 106
 107 /********************************************************************
 108 ********************************************************************/
 109
 110 static struct service_control_op* find_service_by_name( const char *name )
 111 {
 112         int i;
 113
 114         for ( i=0; svcctl_ops[i].name; i++ ) {
 115                 if ( strequal( name, svcctl_ops[i].name ) )
 116                         return &svcctl_ops[i];
 117         }
 118
 119         return NULL;
 120 }
 121 /********************************************************************
 122 ********************************************************************/
 123
 124 static NTSTATUS svcctl_access_check( struct security_descriptor *sec_desc, NT_USER_TOKEN *token,
 125                                      uint32 access_desired, uint32 *access_granted )
 126 {
 127         if ( geteuid() == sec_initial_uid() ) {
 128                 DEBUG(5,("svcctl_access_check: using root's token\n"));
 129                 token = get_root_nt_token();
 130         }
 131
 132         return se_access_check( sec_desc, token, access_desired, access_granted);
 133 }
 134
 135 /********************************************************************
 136 ********************************************************************/
 137
 138 static struct security_descriptor* construct_scm_sd( TALLOC_CTX *ctx )
 139 {
 140         struct security_ace ace[2];
 141         size_t i = 0;
 142         struct security_descriptor *sd;
 143         struct security_acl *theacl;
 144         size_t sd_size;
 145
 146         /* basic access for Everyone */
 147
 148         init_sec_ace(&ace[i++], &global_sid_World,
 149                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
 150
 151         /* Full Access 'BUILTIN\Administrators' */
 152
 153         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
 154                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
 155
 156
 157         /* create the security descriptor */
 158
 159         if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 160                 return NULL;
 161
 162         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
 163                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
 164                                   theacl, &sd_size)) )
 165                 return NULL;
 166
 167         return sd;
 168 }
 169
 170 /******************************************************************
 171  Find a registry key handle and return a SERVICE_INFO
 172  *****************************************************************/
 173
 174 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, struct policy_handle *hnd)
 175 {
 176         SERVICE_INFO *service_info = NULL;
 177
 178         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
 179                 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
 180                 return NULL;
 181         }
 182
 183         return service_info;
 184 }
 185
 186 /******************************************************************
 187  *****************************************************************/
 188
 189 static WERROR create_open_service_handle( pipes_struct *p, struct policy_handle *handle, uint32 type,
 190                                           const char *service, uint32 access_granted )
 191 {
 192         SERVICE_INFO *info = NULL;
 193         WERROR result = WERR_OK;
 194         struct service_control_op *s_op;
 195
 196         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 197                 return WERR_NOMEM;
 198
 199         /* the Service Manager has a NULL name */
 200
 201         info->type = SVC_HANDLE_IS_SCM;
 202
 203         switch ( type ) {
 204         case SVC_HANDLE_IS_SCM:
 205                 info->type = SVC_HANDLE_IS_SCM;
 206                 break;
 207
 208         case SVC_HANDLE_IS_DBLOCK:
 209                 info->type = SVC_HANDLE_IS_DBLOCK;
 210                 break;
 211
 212         case SVC_HANDLE_IS_SERVICE:
 213                 info->type = SVC_HANDLE_IS_SERVICE;
 214
 215                 /* lookup the SERVICE_CONTROL_OPS */
 216
 217                 if ( !(s_op = find_service_by_name( service )) ) {
 218                         result = WERR_NO_SUCH_SERVICE;
 219                         goto done;
 220                 }
 221
 222                 info->ops = s_op->ops;
 223
 224                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 225                         result = WERR_NOMEM;
 226                         goto done;
 227                 }
 228                 break;
 229
 230         default:
 231                 result = WERR_NO_SUCH_SERVICE;
 232                 goto done;
 233         }
 234
 235         info->access_granted = access_granted;
 236
 237         /* store the SERVICE_INFO and create an open handle */
 238
 239         if ( !create_policy_hnd( p, handle, info ) ) {
 240                 result = WERR_ACCESS_DENIED;
 241                 goto done;
 242         }
 243
 244 done:
 245         if ( !W_ERROR_IS_OK(result) )
 246                 TALLOC_FREE(info);
 247
 248         return result;
 249 }
 250
 251 /********************************************************************
 252  _svcctl_OpenSCManagerW
 253 ********************************************************************/
 254
 255 WERROR _svcctl_OpenSCManagerW(pipes_struct *p,
 256                               struct svcctl_OpenSCManagerW *r)
 257 {
 258         struct security_descriptor *sec_desc;
 259         uint32 access_granted = 0;
 260         NTSTATUS status;
 261
 262         /* perform access checks */
 263
 264         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 265                 return WERR_NOMEM;
 266
 267         se_map_generic( &r->in.access_mask, &scm_generic_map );
 268         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 269                                       r->in.access_mask, &access_granted );
 270         if ( !NT_STATUS_IS_OK(status) )
 271                 return ntstatus_to_werror( status );
 272
 273         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 274 }
 275
 276 /********************************************************************
 277  _svcctl_OpenServiceW
 278 ********************************************************************/
 279
 280 WERROR _svcctl_OpenServiceW(pipes_struct *p,
 281                             struct svcctl_OpenServiceW *r)
 282 {
 283         struct security_descriptor *sec_desc;
 284         uint32 access_granted = 0;
 285         NTSTATUS status;
 286         const char *service = NULL;
 287
 288         service = r->in.ServiceName;
 289         if (!service) {
 290                 return WERR_NOMEM;
 291         }
 292         DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
 293
 294         /* based on my tests you can open a service if you have a valid scm handle */
 295
 296         if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
 297                 return WERR_BADFID;
 298
 299         /* perform access checks.  Use the root token in order to ensure that we
 300            retrieve the security descriptor */
 301
 302         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 303                 return WERR_NOMEM;
 304
 305         se_map_generic( &r->in.access_mask, &svc_generic_map );
 306         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 307                                       r->in.access_mask, &access_granted );
 308         if ( !NT_STATUS_IS_OK(status) )
 309                 return ntstatus_to_werror( status );
 310
 311         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 312 }
 313
 314 /********************************************************************
 315  _svcctl_CloseServiceHandle
 316 ********************************************************************/
 317
 318 WERROR _svcctl_CloseServiceHandle(pipes_struct *p,
 319                                   struct svcctl_CloseServiceHandle *r)
 320 {
 321         if ( !close_policy_hnd( p, r->in.handle ) )
 322                 return  WERR_BADFID;
 323
 324         ZERO_STRUCTP(r->out.handle);
 325
 326         return WERR_OK;
 327 }
 328
 329 /********************************************************************
 330  _svcctl_GetServiceDisplayNameW
 331 ********************************************************************/
 332
 333 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p,
 334                                       struct svcctl_GetServiceDisplayNameW *r)
 335 {
 336         const char *service;
 337         const char *display_name;
 338         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 339
 340         /* can only use an SCM handle here */
 341
 342         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 343                 return WERR_BADFID;
 344
 345         service = r->in.service_name;
 346
 347         display_name = svcctl_lookup_dispname(p->mem_ctx, service,
 348                                               p->server_info->ptok);
 349         if (!display_name) {
 350                 display_name = "";
 351         }
 352
 353         *r->out.display_name = display_name;
 354         *r->out.display_name_length = strlen(display_name);
 355
 356         return WERR_OK;
 357 }
 358
 359 /********************************************************************
 360  _svcctl_QueryServiceStatus
 361 ********************************************************************/
 362
 363 WERROR _svcctl_QueryServiceStatus(pipes_struct *p,
 364                                   struct svcctl_QueryServiceStatus *r)
 365 {
 366         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 367
 368         /* perform access checks */
 369
 370         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 371                 return WERR_BADFID;
 372
 373         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 374                 return WERR_ACCESS_DENIED;
 375
 376         /* try the service specific status call */
 377
 378         return info->ops->service_status( info->name, r->out.service_status );
 379 }
 380
 381 /********************************************************************
 382 ********************************************************************/
 383
 384 static int enumerate_status( TALLOC_CTX *ctx, struct ENUM_SERVICE_STATUSW **status, NT_USER_TOKEN *token )
 385 {
 386         int num_services = 0;
 387         int i;
 388         struct ENUM_SERVICE_STATUSW *st;
 389         const char *display_name;
 390
 391         /* just count */
 392         while ( svcctl_ops[num_services].name )
 393                 num_services++;
 394
 395         if ( !(st = TALLOC_ARRAY( ctx, struct ENUM_SERVICE_STATUSW, num_services )) ) {
 396                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 397                 return -1;
 398         }
 399
 400         for ( i=0; i<num_services; i++ ) {
 401                 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
 402
 403                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 404                 st[i].display_name = talloc_strdup(st, display_name ? display_name : "");
 405
 406                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 407         }
 408
 409         *status = st;
 410
 411         return num_services;
 412 }
 413
 414 /********************************************************************
 415  _svcctl_EnumServicesStatusW
 416 ********************************************************************/
 417
 418 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p,
 419                                    struct svcctl_EnumServicesStatusW *r)
 420 {
 421         struct ENUM_SERVICE_STATUSW *services = NULL;
 422         int num_services;
 423         int i = 0;
 424         size_t buffer_size = 0;
 425         WERROR result = WERR_OK;
 426         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 427         NT_USER_TOKEN *token = p->server_info->ptok;
 428         DATA_BLOB blob = data_blob_null;
 429
 430         /* perform access checks */
 431
 432         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 433                 return WERR_BADFID;
 434
 435         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 436                 return WERR_ACCESS_DENIED;
 437         }
 438
 439         num_services = enumerate_status( p->mem_ctx, &services, token );
 440         if (num_services == -1 ) {
 441                 return WERR_NOMEM;
 442         }
 443
 444         for ( i=0; i<num_services; i++ ) {
 445                 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], 0);
 446         }
 447
 448         buffer_size += buffer_size % 4;
 449
 450         if (buffer_size > r->in.offered) {
 451                 num_services = 0;
 452                 result = WERR_MORE_DATA;
 453         }
 454
 455         if ( W_ERROR_IS_OK(result) ) {
 456
 457                 enum ndr_err_code ndr_err;
 458                 struct ndr_push *ndr;
 459
 460                 ndr = ndr_push_init_ctx(p->mem_ctx);
 461                 if (ndr == NULL) {
 462                         return WERR_INVALID_PARAM;
 463                 }
 464
 465                 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
 466                         ndr, num_services, services);
 467                 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 468                         return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
 469                 }
 470                 blob = ndr_push_blob(ndr);
 471                 memcpy(r->out.service, blob.data, MIN(blob.length, r->in.offered));
 472         }
 473
 474         *r->out.needed                  = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 475         *r->out.services_returned       = (uint32)num_services;
 476         if (r->out.resume_handle) {
 477                 *r->out.resume_handle   = 0;
 478         }
 479
 480         return result;
 481 }
 482
 483 /********************************************************************
 484  _svcctl_StartServiceW
 485 ********************************************************************/
 486
 487 WERROR _svcctl_StartServiceW(pipes_struct *p,
 488                              struct svcctl_StartServiceW *r)
 489 {
 490         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 491
 492         /* perform access checks */
 493
 494         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 495                 return WERR_BADFID;
 496
 497         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 498                 return WERR_ACCESS_DENIED;
 499
 500         return info->ops->start_service( info->name );
 501 }
 502
 503 /********************************************************************
 504  _svcctl_ControlService
 505 ********************************************************************/
 506
 507 WERROR _svcctl_ControlService(pipes_struct *p,
 508                               struct svcctl_ControlService *r)
 509 {
 510         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 511
 512         /* perform access checks */
 513
 514         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 515                 return WERR_BADFID;
 516
 517         switch ( r->in.control ) {
 518         case SVCCTL_CONTROL_STOP:
 519                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 520                         return WERR_ACCESS_DENIED;
 521
 522                 return info->ops->stop_service( info->name,
 523                                                 r->out.service_status );
 524
 525         case SVCCTL_CONTROL_INTERROGATE:
 526                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 527                         return WERR_ACCESS_DENIED;
 528
 529                 return info->ops->service_status( info->name,
 530                                                   r->out.service_status );
 531         default:
 532                 return WERR_INVALID_PARAM;
 533         }
 534 }
 535
 536 /********************************************************************
 537  _svcctl_EnumDependentServicesW
 538 ********************************************************************/
 539
 540 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
 541                                       struct svcctl_EnumDependentServicesW *r)
 542 {
 543         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
 544
 545         /* perform access checks */
 546
 547         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 548                 return WERR_BADFID;
 549
 550         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 551                 return WERR_ACCESS_DENIED;
 552
 553         switch (r->in.state) {
 554         case SERVICE_STATE_ACTIVE:
 555         case SERVICE_STATE_INACTIVE:
 556         case SERVICE_STATE_ALL:
 557                 break;
 558         default:
 559                 return WERR_INVALID_PARAM;
 560         }
 561
 562         /* we have to set the outgoing buffer size to the same as the
 563            incoming buffer size (even in the case of failure */
 564         /* this is done in the autogenerated server already - gd */
 565
 566         *r->out.needed = r->in.offered;
 567
 568         /* no dependent services...basically a stub function */
 569         *r->out.services_returned = 0;
 570
 571         return WERR_OK;
 572 }
 573
 574 /********************************************************************
 575  _svcctl_QueryServiceStatusEx
 576 ********************************************************************/
 577
 578 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p,
 579                                     struct svcctl_QueryServiceStatusEx *r)
 580 {
 581         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 582         uint32 buffer_size;
 583
 584         /* perform access checks */
 585
 586         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 587                 return WERR_BADFID;
 588
 589         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 590                 return WERR_ACCESS_DENIED;
 591
 592         /* we have to set the outgoing buffer size to the same as the
 593            incoming buffer size (even in the case of failure) */
 594         *r->out.needed = r->in.offered;
 595
 596         switch ( r->in.info_level ) {
 597                 case SVC_STATUS_PROCESS_INFO:
 598                 {
 599                         struct SERVICE_STATUS_PROCESS svc_stat_proc;
 600                         enum ndr_err_code ndr_err;
 601                         DATA_BLOB blob;
 602
 603                         /* Get the status of the service.. */
 604                         info->ops->service_status( info->name, &svc_stat_proc.status );
 605                         svc_stat_proc.process_id     = sys_getpid();
 606                         svc_stat_proc.service_flags  = 0x0;
 607
 608                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &svc_stat_proc,
 609                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
 610                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 611                                 return WERR_INVALID_PARAM;
 612                         }
 613
 614                         r->out.buffer = blob.data;
 615                         buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
 616                         break;
 617                 }
 618
 619                 default:
 620                         return WERR_UNKNOWN_LEVEL;
 621         }
 622
 623
 624         buffer_size += buffer_size % 4;
 625         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 626
 627         if (buffer_size > r->in.offered ) {
 628                 return WERR_INSUFFICIENT_BUFFER;
 629         }
 630
 631         return WERR_OK;
 632 }
 633
 634 /********************************************************************
 635 ********************************************************************/
 636
 637 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
 638                                struct QUERY_SERVICE_CONFIG *config,
 639                                NT_USER_TOKEN *token )
 640 {
 641         struct regval_ctr *values;
 642         struct regval_blob *val;
 643
 644         /* retrieve the registry values for this service */
 645
 646         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 647                 return WERR_REG_CORRUPT;
 648
 649         /* now fill in the individual values */
 650
 651         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 652                 config->displayname = regval_sz(val);
 653         else
 654                 config->displayname = name;
 655
 656         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 657                 config->startname = regval_sz(val);
 658         }
 659
 660         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 661                 config->executablepath = regval_sz(val);
 662         }
 663
 664         /* a few hard coded values */
 665         /* loadordergroup and dependencies are empty */
 666
 667         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 668         config->service_type     = SERVICE_TYPE_WIN32_OWN_PROCESS;
 669         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 670
 671         /* set the start type.  NetLogon and WINS are disabled to prevent
 672            the client from showing the "Start" button (if of course the services
 673            are not running */
 674
 675         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 676                 config->start_type = SVCCTL_DISABLED;
 677         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 678                 config->start_type = SVCCTL_DISABLED;
 679         else
 680                 config->start_type = SVCCTL_DEMAND_START;
 681
 682
 683         TALLOC_FREE( values );
 684
 685         return WERR_OK;
 686 }
 687
 688 /********************************************************************
 689  _svcctl_QueryServiceConfigW
 690 ********************************************************************/
 691
 692 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p,
 693                                    struct svcctl_QueryServiceConfigW *r)
 694 {
 695         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 696         uint32 buffer_size;
 697         WERROR wresult;
 698
 699         /* perform access checks */
 700
 701         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 702                 return WERR_BADFID;
 703
 704         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 705                 return WERR_ACCESS_DENIED;
 706
 707         /* we have to set the outgoing buffer size to the same as the
 708            incoming buffer size (even in the case of failure */
 709
 710         *r->out.needed = r->in.offered;
 711
 712         wresult = fill_svc_config( p->mem_ctx, info->name, r->out.query,
 713                                    p->server_info->ptok);
 714         if ( !W_ERROR_IS_OK(wresult) )
 715                 return wresult;
 716
 717         buffer_size = ndr_size_QUERY_SERVICE_CONFIG(r->out.query, 0);
 718         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 719
 720         if (buffer_size > r->in.offered ) {
 721                 ZERO_STRUCTP(r->out.query);
 722                 return WERR_INSUFFICIENT_BUFFER;
 723         }
 724
 725         return WERR_OK;
 726 }
 727
 728 /********************************************************************
 729  _svcctl_QueryServiceConfig2W
 730 ********************************************************************/
 731
 732 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p,
 733                                     struct svcctl_QueryServiceConfig2W *r)
 734 {
 735         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 736         uint32 buffer_size;
 737
 738         /* perform access checks */
 739
 740         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 741                 return WERR_BADFID;
 742
 743         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 744                 return WERR_ACCESS_DENIED;
 745
 746         /* we have to set the outgoing buffer size to the same as the
 747            incoming buffer size (even in the case of failure */
 748         *r->out.needed = r->in.offered;
 749
 750         switch ( r->in.info_level ) {
 751         case SERVICE_CONFIG_DESCRIPTION:
 752                 {
 753                         struct SERVICE_DESCRIPTION desc_buf;
 754                         const char *description;
 755                         enum ndr_err_code ndr_err;
 756                         DATA_BLOB blob;
 757
 758                         description = svcctl_lookup_description(
 759                                 p->mem_ctx, info->name, p->server_info->ptok);
 760
 761                         desc_buf.description = description;
 762
 763                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &desc_buf,
 764                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_DESCRIPTION);
 765                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 766                                 return WERR_INVALID_PARAM;
 767                         }
 768
 769                         buffer_size = ndr_size_SERVICE_DESCRIPTION(&desc_buf, 0);
 770                         r->out.buffer = blob.data;
 771
 772                         break;
 773                 }
 774                 break;
 775         case SERVICE_CONFIG_FAILURE_ACTIONS:
 776                 {
 777                         struct SERVICE_FAILURE_ACTIONS actions;
 778                         enum ndr_err_code ndr_err;
 779                         DATA_BLOB blob;
 780
 781                         /* nothing to say...just service the request */
 782
 783                         ZERO_STRUCT( actions );
 784
 785                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, &actions,
 786                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
 787                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 788                                 return WERR_INVALID_PARAM;
 789                         }
 790
 791                         buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, 0);
 792                         r->out.buffer = blob.data;
 793
 794                         break;
 795                 }
 796                 break;
 797
 798         default:
 799                 return WERR_UNKNOWN_LEVEL;
 800         }
 801
 802         buffer_size += buffer_size % 4;
 803         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 804
 805         if (buffer_size > r->in.offered)
 806                 return WERR_INSUFFICIENT_BUFFER;
 807
 808         return WERR_OK;
 809 }
 810
 811 /********************************************************************
 812  _svcctl_LockServiceDatabase
 813 ********************************************************************/
 814
 815 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
 816                                    struct svcctl_LockServiceDatabase *r)
 817 {
 818         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 819
 820         /* perform access checks */
 821
 822         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 823                 return WERR_BADFID;
 824
 825         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 826                 return WERR_ACCESS_DENIED;
 827
 828         /* Just open a handle.  Doesn't actually lock anything */
 829
 830         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 831 }
 832
 833 /********************************************************************
 834  _svcctl_UnlockServiceDatabase
 835 ********************************************************************/
 836
 837 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
 838                                      struct svcctl_UnlockServiceDatabase *r)
 839 {
 840         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 841
 842
 843         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 844                 return WERR_BADFID;
 845
 846         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 847 }
 848
 849 /********************************************************************
 850  _svcctl_QueryServiceObjectSecurity
 851 ********************************************************************/
 852
 853 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
 854                                           struct svcctl_QueryServiceObjectSecurity *r)
 855 {
 856         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 857         struct security_descriptor *sec_desc;
 858         NTSTATUS status;
 859         uint8_t *buffer = NULL;
 860         size_t len = 0;
 861
 862
 863         /* only support the SCM and individual services */
 864
 865         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 866                 return WERR_BADFID;
 867
 868         /* check access reights (according to MSDN) */
 869
 870         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 871                 return WERR_ACCESS_DENIED;
 872
 873         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 874
 875         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 876                 return WERR_INVALID_PARAM;
 877
 878         /* lookup the security descriptor and marshall it up for a reply */
 879
 880         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 881                 return WERR_NOMEM;
 882
 883         *r->out.needed = ndr_size_security_descriptor(sec_desc, 0);
 884
 885         if ( *r->out.needed > r->in.offered) {
 886                 return WERR_INSUFFICIENT_BUFFER;
 887         }
 888
 889         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 890         if (!NT_STATUS_IS_OK(status)) {
 891                 return ntstatus_to_werror(status);
 892         }
 893
 894         *r->out.needed = len;
 895         r->out.buffer = buffer;
 896
 897         return WERR_OK;
 898 }
 899
 900 /********************************************************************
 901  _svcctl_SetServiceObjectSecurity
 902 ********************************************************************/
 903
 904 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
 905                                         struct svcctl_SetServiceObjectSecurity *r)
 906 {
 907         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 908         struct security_descriptor *sec_desc = NULL;
 909         uint32 required_access;
 910         NTSTATUS status;
 911
 912         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 913                 return WERR_BADFID;
 914
 915         /* can't set the security de4scriptor on the ServiceControlManager */
 916
 917         if ( info->type == SVC_HANDLE_IS_SCM )
 918                 return WERR_ACCESS_DENIED;
 919
 920         /* check the access on the open handle */
 921
 922         switch ( r->in.security_flags ) {
 923                 case DACL_SECURITY_INFORMATION:
 924                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 925                         break;
 926
 927                 case OWNER_SECURITY_INFORMATION:
 928                 case GROUP_SECURITY_INFORMATION:
 929                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 930                         break;
 931
 932                 case SACL_SECURITY_INFORMATION:
 933                         return WERR_INVALID_PARAM;
 934                 default:
 935                         return WERR_INVALID_PARAM;
 936         }
 937
 938         if ( !(info->access_granted & required_access) )
 939                 return WERR_ACCESS_DENIED;
 940
 941         /* read the security descfriptor */
 942
 943         status = unmarshall_sec_desc(p->mem_ctx,
 944                                      r->in.buffer,
 945                                      r->in.offered,
 946                                      &sec_desc);
 947         if (!NT_STATUS_IS_OK(status)) {
 948                 return ntstatus_to_werror(status);
 949         }
 950
 951         /* store the new SD */
 952
 953         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
 954                                   p->server_info->ptok) )
 955                 return WERR_ACCESS_DENIED;
 956
 957         return WERR_OK;
 958 }
 959
 960
 961 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 962 {
 963         p->rng_fault_state = True;
 964         return WERR_NOT_SUPPORTED;
 965 }
 966
 967 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 968 {
 969         p->rng_fault_state = True;
 970         return WERR_NOT_SUPPORTED;
 971 }
 972
 973 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 974 {
 975         p->rng_fault_state = True;
 976         return WERR_NOT_SUPPORTED;
 977 }
 978
 979 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 980 {
 981         p->rng_fault_state = True;
 982         return WERR_NOT_SUPPORTED;
 983 }
 984
 985 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 986 {
 987         p->rng_fault_state = True;
 988         return WERR_NOT_SUPPORTED;
 989 }
 990
 991 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 992 {
 993         p->rng_fault_state = True;
 994         return WERR_NOT_SUPPORTED;
 995 }
 996
 997 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 998 {
 999         p->rng_fault_state = True;
1000         return WERR_NOT_SUPPORTED;
1001 }
1002
1003 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
1004 {
1005         p->rng_fault_state = True;
1006         return WERR_NOT_SUPPORTED;
1007 }
1008
1009 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1010 {
1011         p->rng_fault_state = True;
1012         return WERR_NOT_SUPPORTED;
1013 }
1014
1015 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1016 {
1017         p->rng_fault_state = True;
1018         return WERR_NOT_SUPPORTED;
1019 }
1020
1021 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1022 {
1023         p->rng_fault_state = True;
1024         return WERR_NOT_SUPPORTED;
1025 }
1026
1027 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1028 {
1029         p->rng_fault_state = True;
1030         return WERR_NOT_SUPPORTED;
1031 }
1032
1033 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1034 {
1035         p->rng_fault_state = True;
1036         return WERR_NOT_SUPPORTED;
1037 }
1038
1039 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1040 {
1041         p->rng_fault_state = True;
1042         return WERR_NOT_SUPPORTED;
1043 }
1044
1045 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1046 {
1047         p->rng_fault_state = True;
1048         return WERR_NOT_SUPPORTED;
1049 }
1050
1051 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1052 {
1053         p->rng_fault_state = True;
1054         return WERR_NOT_SUPPORTED;
1055 }
1056
1057 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1058 {
1059         p->rng_fault_state = True;
1060         return WERR_NOT_SUPPORTED;
1061 }
1062
1063 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1064 {
1065         p->rng_fault_state = True;
1066         return WERR_NOT_SUPPORTED;
1067 }
1068
1069 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1070 {
1071         p->rng_fault_state = True;
1072         return WERR_NOT_SUPPORTED;
1073 }
1074
1075 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1076 {
1077         p->rng_fault_state = True;
1078         return WERR_NOT_SUPPORTED;
1079 }
1080
1081 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1082 {
1083         p->rng_fault_state = True;
1084         return WERR_NOT_SUPPORTED;
1085 }
1086
1087 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1088 {
1089         p->rng_fault_state = True;
1090         return WERR_NOT_SUPPORTED;
1091 }
1092
1093 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1094 {
1095         p->rng_fault_state = True;
1096         return WERR_NOT_SUPPORTED;
1097 }
1098
1099 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1100 {
1101         p->rng_fault_state = True;
1102         return WERR_NOT_SUPPORTED;
1103 }
1104
1105 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1106 {
1107         p->rng_fault_state = True;
1108         return WERR_NOT_SUPPORTED;
1109 }
1110
1111 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1112 {
1113         p->rng_fault_state = True;
1114         return WERR_NOT_SUPPORTED;
1115 }
1116
1117 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1118 {
1119         p->rng_fault_state = True;
1120         return WERR_NOT_SUPPORTED;
1121 }
1122
1123 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1124 {
1125         p->rng_fault_state = True;
1126         return WERR_NOT_SUPPORTED;
1127 }
1128