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
  28 #undef DBGC_CLASS
  29 #define DBGC_CLASS DBGC_RPC_SRV
  30
  31 struct service_control_op {
  32         const char *name;
  33         SERVICE_CONTROL_OPS *ops;
  34 };
  35
  36 /* handle external services */
  37 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
  38
  39 /* builtin services (see service_db.c and services/svc_*.c */
  40 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
  41 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
  42 extern SERVICE_CONTROL_OPS winreg_svc_ops;
  43 extern SERVICE_CONTROL_OPS wins_svc_ops;
  44
  45 /* make sure this number patches the number of builtin
  46    SERVICE_CONTROL_OPS structure listed above */
  47
  48 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  49
  50 struct service_control_op *svcctl_ops;
  51
  52 static const struct generic_mapping scm_generic_map =
  53         { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
  54 static const struct generic_mapping svc_generic_map =
  55         { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
  56
  57
  58 /********************************************************************
  59 ********************************************************************/
  60
  61 bool init_service_op_table( void )
  62 {
  63         const char **service_list = lp_svcctl_list();
  64         int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_length( service_list );
  65         int i;
  66
  67         if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
  68                 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
  69                 return False;
  70         }
  71
  72         /* services listed in smb.conf get the rc.init interface */
  73
  74         for ( i=0; service_list && service_list[i]; i++ ) {
  75                 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
  76                 svcctl_ops[i].ops  = &rcinit_svc_ops;
  77         }
  78
  79         /* add builtin services */
  80
  81         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
  82         svcctl_ops[i].ops  = &spoolss_svc_ops;
  83         i++;
  84
  85         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
  86         svcctl_ops[i].ops  = &netlogon_svc_ops;
  87         i++;
  88
  89         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
  90         svcctl_ops[i].ops  = &winreg_svc_ops;
  91         i++;
  92
  93         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
  94         svcctl_ops[i].ops  = &wins_svc_ops;
  95         i++;
  96
  97         /* NULL terminate the array */
  98
  99         svcctl_ops[i].name = NULL;
 100         svcctl_ops[i].ops  = NULL;
 101
 102         return True;
 103 }
 104
 105 /********************************************************************
 106 ********************************************************************/
 107
 108 static struct service_control_op* find_service_by_name( const char *name )
 109 {
 110         int i;
 111
 112         for ( i=0; svcctl_ops[i].name; i++ ) {
 113                 if ( strequal( name, svcctl_ops[i].name ) )
 114                         return &svcctl_ops[i];
 115         }
 116
 117         return NULL;
 118 }
 119 /********************************************************************
 120 ********************************************************************/
 121
 122 static NTSTATUS svcctl_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token,
 123                                      uint32 access_desired, uint32 *access_granted )
 124 {
 125         if ( geteuid() == sec_initial_uid() ) {
 126                 DEBUG(5,("svcctl_access_check: using root's token\n"));
 127                 token = get_root_nt_token();
 128         }
 129
 130         return se_access_check( sec_desc, token, access_desired, access_granted);
 131 }
 132
 133 /********************************************************************
 134 ********************************************************************/
 135
 136 static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx )
 137 {
 138         SEC_ACE ace[2];
 139         size_t i = 0;
 140         SEC_DESC *sd;
 141         SEC_ACL *theacl;
 142         size_t sd_size;
 143
 144         /* basic access for Everyone */
 145
 146         init_sec_ace(&ace[i++], &global_sid_World,
 147                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_READ_ACCESS, 0);
 148
 149         /* Full Access 'BUILTIN\Administrators' */
 150
 151         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
 152                 SEC_ACE_TYPE_ACCESS_ALLOWED, SC_MANAGER_ALL_ACCESS, 0);
 153
 154
 155         /* create the security descriptor */
 156
 157         if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 158                 return NULL;
 159
 160         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
 161                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
 162                                   theacl, &sd_size)) )
 163                 return NULL;
 164
 165         return sd;
 166 }
 167
 168 /******************************************************************
 169  Find a registry key handle and return a SERVICE_INFO
 170  *****************************************************************/
 171
 172 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, struct policy_handle *hnd)
 173 {
 174         SERVICE_INFO *service_info = NULL;
 175
 176         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
 177                 DEBUG(2,("find_service_info_by_hnd: handle not found\n"));
 178                 return NULL;
 179         }
 180
 181         return service_info;
 182 }
 183
 184 /******************************************************************
 185  *****************************************************************/
 186
 187 static WERROR create_open_service_handle( pipes_struct *p, struct policy_handle *handle, uint32 type,
 188                                           const char *service, uint32 access_granted )
 189 {
 190         SERVICE_INFO *info = NULL;
 191         WERROR result = WERR_OK;
 192         struct service_control_op *s_op;
 193
 194         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 195                 return WERR_NOMEM;
 196
 197         /* the Service Manager has a NULL name */
 198
 199         info->type = SVC_HANDLE_IS_SCM;
 200
 201         switch ( type ) {
 202         case SVC_HANDLE_IS_SCM:
 203                 info->type = SVC_HANDLE_IS_SCM;
 204                 break;
 205
 206         case SVC_HANDLE_IS_DBLOCK:
 207                 info->type = SVC_HANDLE_IS_DBLOCK;
 208                 break;
 209
 210         case SVC_HANDLE_IS_SERVICE:
 211                 info->type = SVC_HANDLE_IS_SERVICE;
 212
 213                 /* lookup the SERVICE_CONTROL_OPS */
 214
 215                 if ( !(s_op = find_service_by_name( service )) ) {
 216                         result = WERR_NO_SUCH_SERVICE;
 217                         goto done;
 218                 }
 219
 220                 info->ops = s_op->ops;
 221
 222                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 223                         result = WERR_NOMEM;
 224                         goto done;
 225                 }
 226                 break;
 227
 228         default:
 229                 result = WERR_NO_SUCH_SERVICE;
 230                 goto done;
 231         }
 232
 233         info->access_granted = access_granted;
 234
 235         /* store the SERVICE_INFO and create an open handle */
 236
 237         if ( !create_policy_hnd( p, handle, info ) ) {
 238                 result = WERR_ACCESS_DENIED;
 239                 goto done;
 240         }
 241
 242 done:
 243         if ( !W_ERROR_IS_OK(result) )
 244                 TALLOC_FREE(info);
 245
 246         return result;
 247 }
 248
 249 /********************************************************************
 250  _svcctl_OpenSCManagerW
 251 ********************************************************************/
 252
 253 WERROR _svcctl_OpenSCManagerW(pipes_struct *p,
 254                               struct svcctl_OpenSCManagerW *r)
 255 {
 256         SEC_DESC *sec_desc;
 257         uint32 access_granted = 0;
 258         NTSTATUS status;
 259
 260         /* perform access checks */
 261
 262         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 263                 return WERR_NOMEM;
 264
 265         se_map_generic( &r->in.access_mask, &scm_generic_map );
 266         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 267                                       r->in.access_mask, &access_granted );
 268         if ( !NT_STATUS_IS_OK(status) )
 269                 return ntstatus_to_werror( status );
 270
 271         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 272 }
 273
 274 /********************************************************************
 275  _svcctl_OpenServiceW
 276 ********************************************************************/
 277
 278 WERROR _svcctl_OpenServiceW(pipes_struct *p,
 279                             struct svcctl_OpenServiceW *r)
 280 {
 281         SEC_DESC *sec_desc;
 282         uint32 access_granted = 0;
 283         NTSTATUS status;
 284         const char *service = NULL;
 285
 286         service = r->in.ServiceName;
 287         if (!service) {
 288                 return WERR_NOMEM;
 289         }
 290         DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
 291
 292         /* based on my tests you can open a service if you have a valid scm handle */
 293
 294         if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
 295                 return WERR_BADFID;
 296
 297         /* perform access checks.  Use the root token in order to ensure that we
 298            retrieve the security descriptor */
 299
 300         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 301                 return WERR_NOMEM;
 302
 303         se_map_generic( &r->in.access_mask, &svc_generic_map );
 304         status = svcctl_access_check( sec_desc, p->server_info->ptok,
 305                                       r->in.access_mask, &access_granted );
 306         if ( !NT_STATUS_IS_OK(status) )
 307                 return ntstatus_to_werror( status );
 308
 309         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 310 }
 311
 312 /********************************************************************
 313  _svcctl_CloseServiceHandle
 314 ********************************************************************/
 315
 316 WERROR _svcctl_CloseServiceHandle(pipes_struct *p,
 317                                   struct svcctl_CloseServiceHandle *r)
 318 {
 319         if ( !close_policy_hnd( p, r->in.handle ) )
 320                 return  WERR_BADFID;
 321
 322         ZERO_STRUCTP(r->out.handle);
 323
 324         return WERR_OK;
 325 }
 326
 327 /********************************************************************
 328  _svcctl_GetServiceDisplayNameW
 329 ********************************************************************/
 330
 331 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p,
 332                                       struct svcctl_GetServiceDisplayNameW *r)
 333 {
 334         const char *service;
 335         const char *display_name;
 336         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 337
 338         /* can only use an SCM handle here */
 339
 340         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 341                 return WERR_BADFID;
 342
 343         service = r->in.service_name;
 344
 345         display_name = svcctl_lookup_dispname(p->mem_ctx, service,
 346                                               p->server_info->ptok);
 347         if (!display_name) {
 348                 display_name = "";
 349         }
 350
 351         *r->out.display_name = display_name;
 352         *r->out.display_name_length = strlen(display_name);
 353
 354         return WERR_OK;
 355 }
 356
 357 /********************************************************************
 358  _svcctl_QueryServiceStatus
 359 ********************************************************************/
 360
 361 WERROR _svcctl_QueryServiceStatus(pipes_struct *p,
 362                                   struct svcctl_QueryServiceStatus *r)
 363 {
 364         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 365
 366         /* perform access checks */
 367
 368         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 369                 return WERR_BADFID;
 370
 371         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 372                 return WERR_ACCESS_DENIED;
 373
 374         /* try the service specific status call */
 375
 376         return info->ops->service_status( info->name, r->out.service_status );
 377 }
 378
 379 /********************************************************************
 380 ********************************************************************/
 381
 382 static int enumerate_status( TALLOC_CTX *ctx, struct ENUM_SERVICE_STATUSW **status, NT_USER_TOKEN *token )
 383 {
 384         int num_services = 0;
 385         int i;
 386         struct ENUM_SERVICE_STATUSW *st;
 387         const char *display_name;
 388
 389         /* just count */
 390         while ( svcctl_ops[num_services].name )
 391                 num_services++;
 392
 393         if ( !(st = TALLOC_ARRAY( ctx, struct ENUM_SERVICE_STATUSW, num_services )) ) {
 394                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 395                 return -1;
 396         }
 397
 398         for ( i=0; i<num_services; i++ ) {
 399                 st[i].service_name = talloc_strdup(st, svcctl_ops[i].name );
 400
 401                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 402                 st[i].display_name = talloc_strdup(st, display_name ? display_name : "");
 403
 404                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 405         }
 406
 407         *status = st;
 408
 409         return num_services;
 410 }
 411
 412 /********************************************************************
 413  _svcctl_EnumServicesStatusW
 414 ********************************************************************/
 415
 416 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p,
 417                                    struct svcctl_EnumServicesStatusW *r)
 418 {
 419         struct ENUM_SERVICE_STATUSW *services = NULL;
 420         int num_services;
 421         int i = 0;
 422         size_t buffer_size = 0;
 423         WERROR result = WERR_OK;
 424         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 425         NT_USER_TOKEN *token = p->server_info->ptok;
 426         DATA_BLOB blob = data_blob_null;
 427
 428         /* perform access checks */
 429
 430         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 431                 return WERR_BADFID;
 432
 433         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 434                 return WERR_ACCESS_DENIED;
 435         }
 436
 437         num_services = enumerate_status( p->mem_ctx, &services, token );
 438         if (num_services == -1 ) {
 439                 return WERR_NOMEM;
 440         }
 441
 442         for ( i=0; i<num_services; i++ ) {
 443                 buffer_size += ndr_size_ENUM_SERVICE_STATUSW(&services[i], NULL, 0);
 444         }
 445
 446         buffer_size += buffer_size % 4;
 447
 448         if (buffer_size > r->in.offered) {
 449                 num_services = 0;
 450                 result = WERR_MORE_DATA;
 451         }
 452
 453         if ( W_ERROR_IS_OK(result) ) {
 454
 455                 enum ndr_err_code ndr_err;
 456                 struct ndr_push *ndr;
 457
 458                 ndr = ndr_push_init_ctx(p->mem_ctx, NULL);
 459                 if (ndr == NULL) {
 460                         return WERR_INVALID_PARAM;
 461                 }
 462
 463                 ndr_err = ndr_push_ENUM_SERVICE_STATUSW_array(
 464                         ndr, num_services, services);
 465                 if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 466                         return ntstatus_to_werror(ndr_map_error2ntstatus(ndr_err));
 467                 }
 468                 blob = ndr_push_blob(ndr);
 469                 memcpy(r->out.service, blob.data, MIN(blob.length, r->in.offered));
 470         }
 471
 472         *r->out.needed                  = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 473         *r->out.services_returned       = (uint32)num_services;
 474         if (r->out.resume_handle) {
 475                 *r->out.resume_handle   = 0;
 476         }
 477
 478         return result;
 479 }
 480
 481 /********************************************************************
 482  _svcctl_StartServiceW
 483 ********************************************************************/
 484
 485 WERROR _svcctl_StartServiceW(pipes_struct *p,
 486                              struct svcctl_StartServiceW *r)
 487 {
 488         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 489
 490         /* perform access checks */
 491
 492         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 493                 return WERR_BADFID;
 494
 495         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 496                 return WERR_ACCESS_DENIED;
 497
 498         return info->ops->start_service( info->name );
 499 }
 500
 501 /********************************************************************
 502  _svcctl_ControlService
 503 ********************************************************************/
 504
 505 WERROR _svcctl_ControlService(pipes_struct *p,
 506                               struct svcctl_ControlService *r)
 507 {
 508         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 509
 510         /* perform access checks */
 511
 512         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 513                 return WERR_BADFID;
 514
 515         switch ( r->in.control ) {
 516         case SVCCTL_CONTROL_STOP:
 517                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 518                         return WERR_ACCESS_DENIED;
 519
 520                 return info->ops->stop_service( info->name,
 521                                                 r->out.service_status );
 522
 523         case SVCCTL_CONTROL_INTERROGATE:
 524                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 525                         return WERR_ACCESS_DENIED;
 526
 527                 return info->ops->service_status( info->name,
 528                                                   r->out.service_status );
 529         default:
 530                 return WERR_INVALID_PARAM;
 531         }
 532 }
 533
 534 /********************************************************************
 535  _svcctl_EnumDependentServicesW
 536 ********************************************************************/
 537
 538 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p,
 539                                       struct svcctl_EnumDependentServicesW *r)
 540 {
 541         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.service );
 542
 543         /* perform access checks */
 544
 545         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 546                 return WERR_BADFID;
 547
 548         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 549                 return WERR_ACCESS_DENIED;
 550
 551         switch (r->in.state) {
 552         case SERVICE_STATE_ACTIVE:
 553         case SERVICE_STATE_INACTIVE:
 554         case SERVICE_STATE_ALL:
 555                 break;
 556         default:
 557                 return WERR_INVALID_PARAM;
 558         }
 559
 560         /* we have to set the outgoing buffer size to the same as the
 561            incoming buffer size (even in the case of failure */
 562         /* this is done in the autogenerated server already - gd */
 563
 564         *r->out.needed = r->in.offered;
 565
 566         /* no dependent services...basically a stub function */
 567         *r->out.services_returned = 0;
 568
 569         return WERR_OK;
 570 }
 571
 572 /********************************************************************
 573  _svcctl_QueryServiceStatusEx
 574 ********************************************************************/
 575
 576 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p,
 577                                     struct svcctl_QueryServiceStatusEx *r)
 578 {
 579         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 580         uint32 buffer_size;
 581
 582         /* perform access checks */
 583
 584         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 585                 return WERR_BADFID;
 586
 587         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 588                 return WERR_ACCESS_DENIED;
 589
 590         /* we have to set the outgoing buffer size to the same as the
 591            incoming buffer size (even in the case of failure) */
 592         *r->out.needed = r->in.offered;
 593
 594         switch ( r->in.info_level ) {
 595                 case SVC_STATUS_PROCESS_INFO:
 596                 {
 597                         struct SERVICE_STATUS_PROCESS svc_stat_proc;
 598                         enum ndr_err_code ndr_err;
 599                         DATA_BLOB blob;
 600
 601                         /* Get the status of the service.. */
 602                         info->ops->service_status( info->name, &svc_stat_proc.status );
 603                         svc_stat_proc.process_id     = sys_getpid();
 604                         svc_stat_proc.service_flags  = 0x0;
 605
 606                         ndr_err = ndr_push_struct_blob(&blob, p->mem_ctx, NULL,
 607                                                        &svc_stat_proc,
 608                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_STATUS_PROCESS);
 609                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 610                                 return WERR_INVALID_PARAM;
 611                         }
 612
 613                         r->out.buffer = blob.data;
 614                         buffer_size = sizeof(struct SERVICE_STATUS_PROCESS);
 615                         break;
 616                 }
 617
 618                 default:
 619                         return WERR_UNKNOWN_LEVEL;
 620         }
 621
 622
 623         buffer_size += buffer_size % 4;
 624         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 625
 626         if (buffer_size > r->in.offered ) {
 627                 return WERR_INSUFFICIENT_BUFFER;
 628         }
 629
 630         return WERR_OK;
 631 }
 632
 633 /********************************************************************
 634 ********************************************************************/
 635
 636 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name,
 637                                struct QUERY_SERVICE_CONFIG *config,
 638                                NT_USER_TOKEN *token )
 639 {
 640         struct regval_ctr *values;
 641         struct regval_blob *val;
 642
 643         /* retrieve the registry values for this service */
 644
 645         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 646                 return WERR_REG_CORRUPT;
 647
 648         /* now fill in the individual values */
 649
 650         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 651                 config->displayname = regval_sz(val);
 652         else
 653                 config->displayname = name;
 654
 655         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 656                 config->startname = regval_sz(val);
 657         }
 658
 659         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 660                 config->executablepath = regval_sz(val);
 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( values );
 683
 684         return WERR_OK;
 685 }
 686
 687 /********************************************************************
 688  _svcctl_QueryServiceConfigW
 689 ********************************************************************/
 690
 691 WERROR _svcctl_QueryServiceConfigW(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, NULL, 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(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, NULL,
 763                                                        &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, NULL, 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, NULL,
 786                                                        &actions,
 787                                                        (ndr_push_flags_fn_t)ndr_push_SERVICE_FAILURE_ACTIONS);
 788                         if (!NDR_ERR_CODE_IS_SUCCESS(ndr_err)) {
 789                                 return WERR_INVALID_PARAM;
 790                         }
 791
 792                         buffer_size = ndr_size_SERVICE_FAILURE_ACTIONS(&actions, NULL, 0);
 793                         r->out.buffer = blob.data;
 794
 795                         break;
 796                 }
 797                 break;
 798
 799         default:
 800                 return WERR_UNKNOWN_LEVEL;
 801         }
 802
 803         buffer_size += buffer_size % 4;
 804         *r->out.needed = (buffer_size > r->in.offered) ? buffer_size : r->in.offered;
 805
 806         if (buffer_size > r->in.offered)
 807                 return WERR_INSUFFICIENT_BUFFER;
 808
 809         return WERR_OK;
 810 }
 811
 812 /********************************************************************
 813  _svcctl_LockServiceDatabase
 814 ********************************************************************/
 815
 816 WERROR _svcctl_LockServiceDatabase(pipes_struct *p,
 817                                    struct svcctl_LockServiceDatabase *r)
 818 {
 819         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 820
 821         /* perform access checks */
 822
 823         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 824                 return WERR_BADFID;
 825
 826         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 827                 return WERR_ACCESS_DENIED;
 828
 829         /* Just open a handle.  Doesn't actually lock anything */
 830
 831         return create_open_service_handle( p, r->out.lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 832 }
 833
 834 /********************************************************************
 835  _svcctl_UnlockServiceDatabase
 836 ********************************************************************/
 837
 838 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p,
 839                                      struct svcctl_UnlockServiceDatabase *r)
 840 {
 841         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.lock );
 842
 843
 844         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 845                 return WERR_BADFID;
 846
 847         return close_policy_hnd( p, r->out.lock) ? WERR_OK : WERR_BADFID;
 848 }
 849
 850 /********************************************************************
 851  _svcctl_QueryServiceObjectSecurity
 852 ********************************************************************/
 853
 854 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p,
 855                                           struct svcctl_QueryServiceObjectSecurity *r)
 856 {
 857         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 858         SEC_DESC *sec_desc;
 859         NTSTATUS status;
 860         uint8_t *buffer = NULL;
 861         size_t len = 0;
 862
 863
 864         /* only support the SCM and individual services */
 865
 866         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 867                 return WERR_BADFID;
 868
 869         /* check access reights (according to MSDN) */
 870
 871         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 872                 return WERR_ACCESS_DENIED;
 873
 874         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 875
 876         if ( (r->in.security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 877                 return WERR_INVALID_PARAM;
 878
 879         /* lookup the security descriptor and marshall it up for a reply */
 880
 881         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 882                 return WERR_NOMEM;
 883
 884         *r->out.needed = ndr_size_security_descriptor( sec_desc, NULL, 0 );
 885
 886         if ( *r->out.needed > r->in.offered) {
 887                 return WERR_INSUFFICIENT_BUFFER;
 888         }
 889
 890         status = marshall_sec_desc(p->mem_ctx, sec_desc, &buffer, &len);
 891         if (!NT_STATUS_IS_OK(status)) {
 892                 return ntstatus_to_werror(status);
 893         }
 894
 895         *r->out.needed = len;
 896         r->out.buffer = buffer;
 897
 898         return WERR_OK;
 899 }
 900
 901 /********************************************************************
 902  _svcctl_SetServiceObjectSecurity
 903 ********************************************************************/
 904
 905 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p,
 906                                         struct svcctl_SetServiceObjectSecurity *r)
 907 {
 908         SERVICE_INFO *info = find_service_info_by_hnd( p, r->in.handle );
 909         SEC_DESC *sec_desc = NULL;
 910         uint32 required_access;
 911         NTSTATUS status;
 912
 913         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 914                 return WERR_BADFID;
 915
 916         /* can't set the security de4scriptor on the ServiceControlManager */
 917
 918         if ( info->type == SVC_HANDLE_IS_SCM )
 919                 return WERR_ACCESS_DENIED;
 920
 921         /* check the access on the open handle */
 922
 923         switch ( r->in.security_flags ) {
 924                 case DACL_SECURITY_INFORMATION:
 925                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 926                         break;
 927
 928                 case OWNER_SECURITY_INFORMATION:
 929                 case GROUP_SECURITY_INFORMATION:
 930                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 931                         break;
 932
 933                 case SACL_SECURITY_INFORMATION:
 934                         return WERR_INVALID_PARAM;
 935                 default:
 936                         return WERR_INVALID_PARAM;
 937         }
 938
 939         if ( !(info->access_granted & required_access) )
 940                 return WERR_ACCESS_DENIED;
 941
 942         /* read the security descfriptor */
 943
 944         status = unmarshall_sec_desc(p->mem_ctx,
 945                                      r->in.buffer,
 946                                      r->in.offered,
 947                                      &sec_desc);
 948         if (!NT_STATUS_IS_OK(status)) {
 949                 return ntstatus_to_werror(status);
 950         }
 951
 952         /* store the new SD */
 953
 954         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc,
 955                                   p->server_info->ptok) )
 956                 return WERR_ACCESS_DENIED;
 957
 958         return WERR_OK;
 959 }
 960
 961
 962 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 963 {
 964         p->rng_fault_state = True;
 965         return WERR_NOT_SUPPORTED;
 966 }
 967
 968 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 969 {
 970         p->rng_fault_state = True;
 971         return WERR_NOT_SUPPORTED;
 972 }
 973
 974 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 975 {
 976         p->rng_fault_state = True;
 977         return WERR_NOT_SUPPORTED;
 978 }
 979
 980 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 981 {
 982         p->rng_fault_state = True;
 983         return WERR_NOT_SUPPORTED;
 984 }
 985
 986 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 987 {
 988         p->rng_fault_state = True;
 989         return WERR_NOT_SUPPORTED;
 990 }
 991
 992 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 993 {
 994         p->rng_fault_state = True;
 995         return WERR_NOT_SUPPORTED;
 996 }
 997
 998 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 999 {
1000         p->rng_fault_state = True;
1001         return WERR_NOT_SUPPORTED;
1002 }
1003
1004 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
1005 {
1006         p->rng_fault_state = True;
1007         return WERR_NOT_SUPPORTED;
1008 }
1009
1010 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1011 {
1012         p->rng_fault_state = True;
1013         return WERR_NOT_SUPPORTED;
1014 }
1015
1016 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1017 {
1018         p->rng_fault_state = True;
1019         return WERR_NOT_SUPPORTED;
1020 }
1021
1022 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1023 {
1024         p->rng_fault_state = True;
1025         return WERR_NOT_SUPPORTED;
1026 }
1027
1028 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1029 {
1030         p->rng_fault_state = True;
1031         return WERR_NOT_SUPPORTED;
1032 }
1033
1034 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1035 {
1036         p->rng_fault_state = True;
1037         return WERR_NOT_SUPPORTED;
1038 }
1039
1040 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1041 {
1042         p->rng_fault_state = True;
1043         return WERR_NOT_SUPPORTED;
1044 }
1045
1046 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1047 {
1048         p->rng_fault_state = True;
1049         return WERR_NOT_SUPPORTED;
1050 }
1051
1052 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1053 {
1054         p->rng_fault_state = True;
1055         return WERR_NOT_SUPPORTED;
1056 }
1057
1058 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1059 {
1060         p->rng_fault_state = True;
1061         return WERR_NOT_SUPPORTED;
1062 }
1063
1064 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1065 {
1066         p->rng_fault_state = True;
1067         return WERR_NOT_SUPPORTED;
1068 }
1069
1070 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1071 {
1072         p->rng_fault_state = True;
1073         return WERR_NOT_SUPPORTED;
1074 }
1075
1076 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1077 {
1078         p->rng_fault_state = True;
1079         return WERR_NOT_SUPPORTED;
1080 }
1081
1082 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1083 {
1084         p->rng_fault_state = True;
1085         return WERR_NOT_SUPPORTED;
1086 }
1087
1088 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1089 {
1090         p->rng_fault_state = True;
1091         return WERR_NOT_SUPPORTED;
1092 }
1093
1094 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1095 {
1096         p->rng_fault_state = True;
1097         return WERR_NOT_SUPPORTED;
1098 }
1099
1100 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1101 {
1102         p->rng_fault_state = True;
1103         return WERR_NOT_SUPPORTED;
1104 }
1105
1106 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1107 {
1108         p->rng_fault_state = True;
1109         return WERR_NOT_SUPPORTED;
1110 }
1111
1112 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1113 {
1114         p->rng_fault_state = True;
1115         return WERR_NOT_SUPPORTED;
1116 }
1117
1118 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1119 {
1120         p->rng_fault_state = True;
1121         return WERR_NOT_SUPPORTED;
1122 }
1123
1124 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1125 {
1126         p->rng_fault_state = True;
1127         return WERR_NOT_SUPPORTED;
1128 }
1129