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  *
  10  *  This program is free software; you can redistribute it and/or modify
  11  *  it under the terms of the GNU General Public License as published by
  12  *  the Free Software Foundation; either version 3 of the License, or
  13  *  (at your option) any later version.
  14  *
  15  *  This program is distributed in the hope that it will be useful,
  16  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  17  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  18  *  GNU General Public License for more details.
  19  *
  20  *  You should have received a copy of the GNU General Public License
  21  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  22  */
  23
  24 #include "includes.h"
  25
  26 #undef DBGC_CLASS
  27 #define DBGC_CLASS DBGC_RPC_SRV
  28
  29 struct service_control_op {
  30         const char *name;
  31         SERVICE_CONTROL_OPS *ops;
  32 };
  33
  34 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  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_count( 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         NTSTATUS result;
 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         se_access_check( sec_desc, token, access_desired, access_granted, &result );
 133
 134         return result;
 135 }
 136
 137 /********************************************************************
 138 ********************************************************************/
 139
 140 static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx )
 141 {
 142         SEC_ACE ace[2];
 143         SEC_ACCESS mask;
 144         size_t i = 0;
 145         SEC_DESC *sd;
 146         SEC_ACL *acl;
 147         size_t sd_size;
 148
 149         /* basic access for Everyone */
 150
 151         init_sec_access(&mask, SC_MANAGER_READ_ACCESS );
 152         init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 153
 154         /* Full Access 'BUILTIN\Administrators' */
 155
 156         init_sec_access(&mask,SC_MANAGER_ALL_ACCESS );
 157         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 158
 159
 160         /* create the security descriptor */
 161
 162         if ( !(acl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 163                 return NULL;
 164
 165         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
 166                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
 167                                   acl, &sd_size)) )
 168                 return NULL;
 169
 170         return sd;
 171 }
 172
 173 /******************************************************************
 174  free() function for REGISTRY_KEY
 175  *****************************************************************/
 176
 177 static void free_service_handle_info(void *ptr)
 178 {
 179         TALLOC_FREE( ptr );
 180 }
 181
 182 /******************************************************************
 183  Find a registry key handle and return a SERVICE_INFO
 184  *****************************************************************/
 185
 186 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, POLICY_HND *hnd)
 187 {
 188         SERVICE_INFO *service_info = NULL;
 189
 190         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
 191                 DEBUG(2,("find_service_info_by_hnd: handle not found"));
 192                 return NULL;
 193         }
 194
 195         return service_info;
 196 }
 197
 198 /******************************************************************
 199  *****************************************************************/
 200
 201 static WERROR create_open_service_handle( pipes_struct *p, POLICY_HND *handle, uint32 type,
 202                                           const char *service, uint32 access_granted )
 203 {
 204         SERVICE_INFO *info = NULL;
 205         WERROR result = WERR_OK;
 206         struct service_control_op *s_op;
 207
 208         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 209                 return WERR_NOMEM;
 210
 211         /* the Service Manager has a NULL name */
 212
 213         info->type = SVC_HANDLE_IS_SCM;
 214
 215         switch ( type ) {
 216         case SVC_HANDLE_IS_SCM:
 217                 info->type = SVC_HANDLE_IS_SCM;
 218                 break;
 219
 220         case SVC_HANDLE_IS_DBLOCK:
 221                 info->type = SVC_HANDLE_IS_DBLOCK;
 222                 break;
 223
 224         case SVC_HANDLE_IS_SERVICE:
 225                 info->type = SVC_HANDLE_IS_SERVICE;
 226
 227                 /* lookup the SERVICE_CONTROL_OPS */
 228
 229                 if ( !(s_op = find_service_by_name( service )) ) {
 230                         result = WERR_NO_SUCH_SERVICE;
 231                         goto done;
 232                 }
 233
 234                 info->ops = s_op->ops;
 235
 236                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 237                         result = WERR_NOMEM;
 238                         goto done;
 239                 }
 240                 break;
 241
 242         default:
 243                 result = WERR_NO_SUCH_SERVICE;
 244                 goto done;
 245         }
 246
 247         info->access_granted = access_granted;
 248
 249         /* store the SERVICE_INFO and create an open handle */
 250
 251         if ( !create_policy_hnd( p, handle, free_service_handle_info, info ) ) {
 252                 result = WERR_ACCESS_DENIED;
 253                 goto done;
 254         }
 255
 256 done:
 257         if ( !W_ERROR_IS_OK(result) )
 258                 free_service_handle_info( info );
 259
 260         return result;
 261 }
 262
 263 /********************************************************************
 264 ********************************************************************/
 265
 266 WERROR _svcctl_OpenSCManagerW(pipes_struct *p,
 267                               struct svcctl_OpenSCManagerW *r)
 268 {
 269         SEC_DESC *sec_desc;
 270         uint32 access_granted = 0;
 271         NTSTATUS status;
 272
 273         /* perform access checks */
 274
 275         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 276                 return WERR_NOMEM;
 277
 278         se_map_generic( &r->in.access_mask, &scm_generic_map );
 279         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, r->in.access_mask, &access_granted );
 280         if ( !NT_STATUS_IS_OK(status) )
 281                 return ntstatus_to_werror( status );
 282
 283         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 284 }
 285
 286 /********************************************************************
 287  _svcctl_OpenServiceW
 288 ********************************************************************/
 289
 290 WERROR _svcctl_OpenServiceW(pipes_struct *p,
 291                             struct svcctl_OpenServiceW *r)
 292 {
 293         SEC_DESC *sec_desc;
 294         uint32 access_granted = 0;
 295         NTSTATUS status;
 296         const char *service = NULL;
 297
 298         service = r->in.ServiceName;
 299         if (!service) {
 300                 return WERR_NOMEM;
 301         }
 302         DEBUG(5, ("_svcctl_OpenServiceW: Attempting to open Service [%s], \n", service));
 303
 304         /* based on my tests you can open a service if you have a valid scm handle */
 305
 306         if ( !find_service_info_by_hnd( p, r->in.scmanager_handle) )
 307                 return WERR_BADFID;
 308
 309         /* perform access checks.  Use the root token in order to ensure that we
 310            retrieve the security descriptor */
 311
 312         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 313                 return WERR_NOMEM;
 314
 315         se_map_generic( &r->in.access_mask, &svc_generic_map );
 316         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, r->in.access_mask, &access_granted );
 317         if ( !NT_STATUS_IS_OK(status) )
 318                 return ntstatus_to_werror( status );
 319
 320         return create_open_service_handle( p, r->out.handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 321 }
 322
 323 /********************************************************************
 324 ********************************************************************/
 325
 326 WERROR _svcctl_CloseServiceHandle(pipes_struct *p, struct svcctl_CloseServiceHandle *r)
 327 {
 328         if ( !close_policy_hnd( p, r->in.handle ) )
 329                 return  WERR_BADFID;
 330
 331         return WERR_OK;
 332 }
 333
 334 /********************************************************************
 335 ********************************************************************/
 336
 337 WERROR _svcctl_get_display_name(pipes_struct *p, SVCCTL_Q_GET_DISPLAY_NAME *q_u, SVCCTL_R_GET_DISPLAY_NAME *r_u)
 338 {
 339         fstring service;
 340         const char *display_name;
 341         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 342
 343         /* can only use an SCM handle here */
 344
 345         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 346                 return WERR_BADFID;
 347
 348         rpcstr_pull(service, q_u->servicename.buffer, sizeof(service), q_u->servicename.uni_str_len*2, 0);
 349
 350         display_name = svcctl_lookup_dispname(p->mem_ctx, service, p->pipe_user.nt_user_token );
 351         init_svcctl_r_get_display_name( r_u, display_name ? display_name : "");
 352
 353         return WERR_OK;
 354 }
 355
 356 /********************************************************************
 357 ********************************************************************/
 358
 359 WERROR _svcctl_query_status(pipes_struct *p, SVCCTL_Q_QUERY_STATUS *q_u, SVCCTL_R_QUERY_STATUS *r_u)
 360 {
 361         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 362
 363         /* perform access checks */
 364
 365         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 366                 return WERR_BADFID;
 367
 368         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 369                 return WERR_ACCESS_DENIED;
 370
 371         /* try the service specific status call */
 372
 373         return info->ops->service_status( info->name, &r_u->svc_status );
 374 }
 375
 376 /********************************************************************
 377 ********************************************************************/
 378
 379 static int enumerate_status( TALLOC_CTX *ctx, ENUM_SERVICES_STATUS **status, NT_USER_TOKEN *token )
 380 {
 381         int num_services = 0;
 382         int i;
 383         ENUM_SERVICES_STATUS *st;
 384         const char *display_name;
 385
 386         /* just count */
 387         while ( svcctl_ops[num_services].name )
 388                 num_services++;
 389
 390         if ( !(st = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) ) {
 391                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 392                 return -1;
 393         }
 394
 395         for ( i=0; i<num_services; i++ ) {
 396                 init_unistr( &st[i].servicename, svcctl_ops[i].name );
 397
 398                 display_name = svcctl_lookup_dispname(ctx, svcctl_ops[i].name, token );
 399                 init_unistr( &st[i].displayname, display_name ? display_name : "");
 400
 401                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 402         }
 403
 404         *status = st;
 405
 406         return num_services;
 407 }
 408
 409 /********************************************************************
 410 ********************************************************************/
 411
 412 WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u)
 413 {
 414         ENUM_SERVICES_STATUS *services = NULL;
 415         int num_services;
 416         int i = 0;
 417         size_t buffer_size = 0;
 418         WERROR result = WERR_OK;
 419         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 420         NT_USER_TOKEN *token = p->pipe_user.nt_user_token;
 421
 422         /* perform access checks */
 423
 424         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 425                 return WERR_BADFID;
 426
 427         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 428                 return WERR_ACCESS_DENIED;
 429         }
 430
 431         num_services = enumerate_status( p->mem_ctx, &services, token );
 432         if (num_services == -1 ) {
 433                 return WERR_NOMEM;
 434         }
 435
 436         for ( i=0; i<num_services; i++ ) {
 437                 buffer_size += svcctl_sizeof_enum_services_status(&services[i]);
 438         }
 439
 440         buffer_size += buffer_size % 4;
 441
 442         if (buffer_size > q_u->buffer_size ) {
 443                 num_services = 0;
 444                 result = WERR_MORE_DATA;
 445         }
 446
 447         rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx);
 448
 449         if ( W_ERROR_IS_OK(result) ) {
 450                 for ( i=0; i<num_services; i++ )
 451                         svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 );
 452         }
 453
 454         r_u->needed      = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 455         r_u->returned    = (uint32)num_services;
 456
 457         if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) )
 458                 return WERR_NOMEM;
 459
 460         *r_u->resume = 0x0;
 461
 462         return result;
 463 }
 464
 465 /********************************************************************
 466 ********************************************************************/
 467
 468 WERROR _svcctl_start_service(pipes_struct *p, SVCCTL_Q_START_SERVICE *q_u, SVCCTL_R_START_SERVICE *r_u)
 469 {
 470         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 471
 472         /* perform access checks */
 473
 474         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 475                 return WERR_BADFID;
 476
 477         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 478                 return WERR_ACCESS_DENIED;
 479
 480         return info->ops->start_service( info->name );
 481 }
 482
 483 /********************************************************************
 484 ********************************************************************/
 485
 486 WERROR _svcctl_control_service(pipes_struct *p, SVCCTL_Q_CONTROL_SERVICE *q_u, SVCCTL_R_CONTROL_SERVICE *r_u)
 487 {
 488         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 489
 490         /* perform access checks */
 491
 492         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 493                 return WERR_BADFID;
 494
 495         switch ( q_u->control ) {
 496         case SVCCTL_CONTROL_STOP:
 497                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 498                         return WERR_ACCESS_DENIED;
 499
 500                 return info->ops->stop_service( info->name, &r_u->svc_status );
 501
 502         case SVCCTL_CONTROL_INTERROGATE:
 503                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 504                         return WERR_ACCESS_DENIED;
 505
 506                 return info->ops->service_status( info->name, &r_u->svc_status );
 507         }
 508
 509         /* default control action */
 510
 511         return WERR_ACCESS_DENIED;
 512 }
 513
 514 /********************************************************************
 515 ********************************************************************/
 516
 517 WERROR _svcctl_enum_dependent_services( pipes_struct *p, SVCCTL_Q_ENUM_DEPENDENT_SERVICES *q_u, SVCCTL_R_ENUM_DEPENDENT_SERVICES *r_u )
 518 {
 519         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 520
 521         /* perform access checks */
 522
 523         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 524                 return WERR_BADFID;
 525
 526         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 527                 return WERR_ACCESS_DENIED;
 528
 529         /* we have to set the outgoing buffer size to the same as the
 530            incoming buffer size (even in the case of failure */
 531
 532         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 533
 534         r_u->needed      = q_u->buffer_size;
 535
 536         /* no dependent services...basically a stub function */
 537         r_u->returned    = 0;
 538
 539         return WERR_OK;
 540 }
 541
 542 /********************************************************************
 543 ********************************************************************/
 544
 545 WERROR _svcctl_query_service_status_ex( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_STATUSEX *q_u, SVCCTL_R_QUERY_SERVICE_STATUSEX *r_u )
 546 {
 547         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 548         uint32 buffer_size;
 549
 550         /* perform access checks */
 551
 552         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 553                 return WERR_BADFID;
 554
 555         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 556                 return WERR_ACCESS_DENIED;
 557
 558         /* we have to set the outgoing buffer size to the same as the
 559            incoming buffer size (even in the case of failure) */
 560
 561         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 562         r_u->needed = q_u->buffer_size;
 563
 564         switch ( q_u->level ) {
 565                 case SVC_STATUS_PROCESS_INFO:
 566                 {
 567                         SERVICE_STATUS_PROCESS svc_stat_proc;
 568
 569                         /* Get the status of the service.. */
 570                         info->ops->service_status( info->name, &svc_stat_proc.status );
 571                         svc_stat_proc.process_id     = sys_getpid();
 572                         svc_stat_proc.service_flags  = 0x0;
 573
 574                         svcctl_io_service_status_process( "", &svc_stat_proc, &r_u->buffer, 0 );
 575                         buffer_size = sizeof(SERVICE_STATUS_PROCESS);
 576                         break;
 577                 }
 578
 579                 default:
 580                         return WERR_UNKNOWN_LEVEL;
 581         }
 582
 583
 584         buffer_size += buffer_size % 4;
 585         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 586
 587         if (buffer_size > q_u->buffer_size )
 588                 return WERR_MORE_DATA;
 589
 590         return WERR_OK;
 591 }
 592
 593 /********************************************************************
 594 ********************************************************************/
 595
 596 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name, SERVICE_CONFIG *config, NT_USER_TOKEN *token )
 597 {
 598         REGVAL_CTR *values;
 599         REGISTRY_VALUE *val;
 600
 601         /* retrieve the registry values for this service */
 602
 603         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 604                 return WERR_REG_CORRUPT;
 605
 606         /* now fill in the individual values */
 607
 608         config->displayname = TALLOC_ZERO_P( ctx, UNISTR2 );
 609         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 610                 init_unistr2( config->displayname, regval_sz( val ), UNI_STR_TERMINATE );
 611         else
 612                 init_unistr2( config->displayname, name, UNI_STR_TERMINATE );
 613
 614         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 615                 config->startname = TALLOC_ZERO_P( ctx, UNISTR2 );
 616                 init_unistr2( config->startname, regval_sz( val ), UNI_STR_TERMINATE );
 617         }
 618
 619         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 620                 config->executablepath = TALLOC_ZERO_P( ctx, UNISTR2 );
 621                 init_unistr2( config->executablepath, regval_sz( val ), UNI_STR_TERMINATE );
 622         }
 623
 624         /* a few hard coded values */
 625         /* loadordergroup and dependencies are empty */
 626
 627         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 628         config->service_type     = SVCCTL_WIN32_OWN_PROC;
 629         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 630
 631         /* set the start type.  NetLogon and WINS are disabled to prevent
 632            the client from showing the "Start" button (if of course the services
 633            are not running */
 634
 635         if ( strequal( name, "NETLOGON" ) && ( lp_servicenumber(name) == -1 ) )
 636                 config->start_type = SVCCTL_DISABLED;
 637         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 638                 config->start_type = SVCCTL_DISABLED;
 639         else
 640                 config->start_type = SVCCTL_DEMAND_START;
 641
 642
 643         TALLOC_FREE( values );
 644
 645         return WERR_OK;
 646 }
 647
 648 /********************************************************************
 649 ********************************************************************/
 650
 651 WERROR _svcctl_query_service_config( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG *r_u )
 652 {
 653         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 654         uint32 buffer_size;
 655         WERROR wresult;
 656
 657         /* perform access checks */
 658
 659         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 660                 return WERR_BADFID;
 661
 662         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 663                 return WERR_ACCESS_DENIED;
 664
 665         /* we have to set the outgoing buffer size to the same as the
 666            incoming buffer size (even in the case of failure */
 667
 668         r_u->needed      = q_u->buffer_size;
 669
 670         wresult = fill_svc_config( p->mem_ctx, info->name, &r_u->config, p->pipe_user.nt_user_token );
 671         if ( !W_ERROR_IS_OK(wresult) )
 672                 return wresult;
 673
 674         buffer_size = svcctl_sizeof_service_config( &r_u->config );
 675         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 676
 677         if (buffer_size > q_u->buffer_size ) {
 678                 ZERO_STRUCTP( &r_u->config );
 679                 return WERR_INSUFFICIENT_BUFFER;
 680         }
 681
 682         return WERR_OK;
 683 }
 684
 685 /********************************************************************
 686 ********************************************************************/
 687
 688 WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u )
 689 {
 690         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 691         uint32 buffer_size;
 692
 693         /* perform access checks */
 694
 695         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 696                 return WERR_BADFID;
 697
 698         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 699                 return WERR_ACCESS_DENIED;
 700
 701         /* we have to set the outgoing buffer size to the same as the
 702            incoming buffer size (even in the case of failure */
 703
 704         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 705         r_u->needed = q_u->buffer_size;
 706
 707         switch ( q_u->level ) {
 708         case SERVICE_CONFIG_DESCRIPTION:
 709                 {
 710                         SERVICE_DESCRIPTION desc_buf;
 711                         const char *description;
 712
 713                         description = svcctl_lookup_description(p->mem_ctx, info->name, p->pipe_user.nt_user_token );
 714
 715                         ZERO_STRUCTP( &desc_buf );
 716
 717                         init_service_description_buffer( &desc_buf, description ? description : "");
 718                         svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 );
 719                         buffer_size = svcctl_sizeof_service_description( &desc_buf );
 720
 721                         break;
 722                 }
 723                 break;
 724         case SERVICE_CONFIG_FAILURE_ACTIONS:
 725                 {
 726                         SERVICE_FAILURE_ACTIONS actions;
 727
 728                         /* nothing to say...just service the request */
 729
 730                         ZERO_STRUCTP( &actions );
 731                         svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 );
 732                         buffer_size = svcctl_sizeof_service_fa( &actions );
 733
 734                         break;
 735                 }
 736                 break;
 737
 738         default:
 739                 return WERR_UNKNOWN_LEVEL;
 740         }
 741
 742         buffer_size += buffer_size % 4;
 743         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 744
 745         if (buffer_size > q_u->buffer_size )
 746                 return WERR_INSUFFICIENT_BUFFER;
 747
 748         return WERR_OK;
 749 }
 750
 751 /********************************************************************
 752 ********************************************************************/
 753
 754 WERROR _svcctl_lock_service_db( pipes_struct *p, SVCCTL_Q_LOCK_SERVICE_DB *q_u, SVCCTL_R_LOCK_SERVICE_DB *r_u )
 755 {
 756         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 757
 758         /* perform access checks */
 759
 760         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 761                 return WERR_BADFID;
 762
 763         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 764                 return WERR_ACCESS_DENIED;
 765
 766         /* Just open a handle.  Doesn't actually lock anything */
 767
 768         return create_open_service_handle( p, &r_u->h_lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 769 ;
 770 }
 771
 772 /********************************************************************
 773 ********************************************************************/
 774
 775 WERROR _svcctl_unlock_service_db( pipes_struct *p, SVCCTL_Q_UNLOCK_SERVICE_DB *q_u, SVCCTL_R_UNLOCK_SERVICE_DB *r_u )
 776 {
 777         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->h_lock );
 778
 779
 780         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 781                 return WERR_BADFID;
 782
 783         return close_policy_hnd( p, &q_u->h_lock) ? WERR_OK : WERR_BADFID;
 784 }
 785
 786 /********************************************************************
 787 ********************************************************************/
 788
 789 WERROR _svcctl_query_service_sec( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_SEC *q_u, SVCCTL_R_QUERY_SERVICE_SEC *r_u )
 790 {
 791         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 792         SEC_DESC *sec_desc;
 793
 794
 795         /* only support the SCM and individual services */
 796
 797         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 798                 return WERR_BADFID;
 799
 800         /* check access reights (according to MSDN) */
 801
 802         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 803                 return WERR_ACCESS_DENIED;
 804
 805         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 806
 807         if ( (q_u->security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 808                 return WERR_INVALID_PARAM;
 809
 810         /* lookup the security descriptor and marshall it up for a reply */
 811
 812         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 813                 return WERR_NOMEM;
 814
 815         r_u->needed = ndr_size_security_descriptor( sec_desc, 0 );
 816
 817         if ( r_u->needed > q_u->buffer_size ) {
 818                 ZERO_STRUCTP( &r_u->buffer );
 819                 return WERR_INSUFFICIENT_BUFFER;
 820         }
 821
 822         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 823
 824         if ( !sec_io_desc("", &sec_desc, &r_u->buffer.prs, 0 ) )
 825                 return WERR_NOMEM;
 826
 827         return WERR_OK;
 828 }
 829
 830 /********************************************************************
 831 ********************************************************************/
 832
 833 WERROR _svcctl_set_service_sec( pipes_struct *p, SVCCTL_Q_SET_SERVICE_SEC *q_u, SVCCTL_R_SET_SERVICE_SEC *r_u )
 834 {
 835         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 836         SEC_DESC *sec_desc = NULL;
 837         uint32 required_access;
 838
 839         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 840                 return WERR_BADFID;
 841
 842         /* can't set the security de4scriptor on the ServiceControlManager */
 843
 844         if ( info->type == SVC_HANDLE_IS_SCM )
 845                 return WERR_ACCESS_DENIED;
 846
 847         /* check the access on the open handle */
 848
 849         switch ( q_u->security_flags ) {
 850                 case DACL_SECURITY_INFORMATION:
 851                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 852                         break;
 853
 854                 case OWNER_SECURITY_INFORMATION:
 855                 case GROUP_SECURITY_INFORMATION:
 856                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 857                         break;
 858
 859                 case SACL_SECURITY_INFORMATION:
 860                         return WERR_INVALID_PARAM;
 861                 default:
 862                         return WERR_INVALID_PARAM;
 863         }
 864
 865         if ( !(info->access_granted & required_access) )
 866                 return WERR_ACCESS_DENIED;
 867
 868         /* read the security descfriptor */
 869
 870         if ( !sec_io_desc("", &sec_desc, &q_u->buffer.prs, 0 ) )
 871                 return WERR_NOMEM;
 872
 873         /* store the new SD */
 874
 875         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc, p->pipe_user.nt_user_token ) )
 876                 return WERR_ACCESS_DENIED;
 877
 878         return WERR_OK;
 879 }
 880
 881
 882 WERROR _svcctl_ControlService(pipes_struct *p, struct svcctl_ControlService *r)
 883 {
 884         p->rng_fault_state = True;
 885         return WERR_NOT_SUPPORTED;
 886 }
 887
 888 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 889 {
 890         p->rng_fault_state = True;
 891         return WERR_NOT_SUPPORTED;
 892 }
 893
 894 WERROR _svcctl_LockServiceDatabase(pipes_struct *p, struct svcctl_LockServiceDatabase *r)
 895 {
 896         p->rng_fault_state = True;
 897         return WERR_NOT_SUPPORTED;
 898 }
 899
 900 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p, struct svcctl_QueryServiceObjectSecurity *r)
 901 {
 902         p->rng_fault_state = True;
 903         return WERR_NOT_SUPPORTED;
 904 }
 905
 906 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p, struct svcctl_SetServiceObjectSecurity *r)
 907 {
 908         p->rng_fault_state = True;
 909         return WERR_NOT_SUPPORTED;
 910 }
 911
 912 WERROR _svcctl_QueryServiceStatus(pipes_struct *p, struct svcctl_QueryServiceStatus *r)
 913 {
 914         p->rng_fault_state = True;
 915         return WERR_NOT_SUPPORTED;
 916 }
 917
 918 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 919 {
 920         p->rng_fault_state = True;
 921         return WERR_NOT_SUPPORTED;
 922 }
 923
 924 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p, struct svcctl_UnlockServiceDatabase *r)
 925 {
 926         p->rng_fault_state = True;
 927         return WERR_NOT_SUPPORTED;
 928 }
 929
 930 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 931 {
 932         p->rng_fault_state = True;
 933         return WERR_NOT_SUPPORTED;
 934 }
 935
 936 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 937 {
 938         p->rng_fault_state = True;
 939         return WERR_NOT_SUPPORTED;
 940 }
 941
 942 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 943 {
 944         p->rng_fault_state = True;
 945         return WERR_NOT_SUPPORTED;
 946 }
 947
 948 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 949 {
 950         p->rng_fault_state = True;
 951         return WERR_NOT_SUPPORTED;
 952 }
 953
 954 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p, struct svcctl_EnumDependentServicesW *r)
 955 {
 956         p->rng_fault_state = True;
 957         return WERR_NOT_SUPPORTED;
 958 }
 959
 960 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p, struct svcctl_EnumServicesStatusW *r)
 961 {
 962         p->rng_fault_state = True;
 963         return WERR_NOT_SUPPORTED;
 964 }
 965
 966 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p, struct svcctl_QueryServiceConfigW *r)
 967 {
 968         p->rng_fault_state = True;
 969         return WERR_NOT_SUPPORTED;
 970 }
 971
 972 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 973 {
 974         p->rng_fault_state = True;
 975         return WERR_NOT_SUPPORTED;
 976 }
 977
 978 WERROR _svcctl_StartServiceW(pipes_struct *p, struct svcctl_StartServiceW *r)
 979 {
 980         p->rng_fault_state = True;
 981         return WERR_NOT_SUPPORTED;
 982 }
 983
 984 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p, struct svcctl_GetServiceDisplayNameW *r)
 985 {
 986         p->rng_fault_state = True;
 987         return WERR_NOT_SUPPORTED;
 988 }
 989
 990 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
 991 {
 992         p->rng_fault_state = True;
 993         return WERR_NOT_SUPPORTED;
 994 }
 995
 996 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
 997 {
 998         p->rng_fault_state = True;
 999         return WERR_NOT_SUPPORTED;
1000 }
1001
1002 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1003 {
1004         p->rng_fault_state = True;
1005         return WERR_NOT_SUPPORTED;
1006 }
1007
1008 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1009 {
1010         p->rng_fault_state = True;
1011         return WERR_NOT_SUPPORTED;
1012 }
1013
1014 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1015 {
1016         p->rng_fault_state = True;
1017         return WERR_NOT_SUPPORTED;
1018 }
1019
1020 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1021 {
1022         p->rng_fault_state = True;
1023         return WERR_NOT_SUPPORTED;
1024 }
1025
1026 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1027 {
1028         p->rng_fault_state = True;
1029         return WERR_NOT_SUPPORTED;
1030 }
1031
1032 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1033 {
1034         p->rng_fault_state = True;
1035         return WERR_NOT_SUPPORTED;
1036 }
1037
1038 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1039 {
1040         p->rng_fault_state = True;
1041         return WERR_NOT_SUPPORTED;
1042 }
1043
1044 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1045 {
1046         p->rng_fault_state = True;
1047         return WERR_NOT_SUPPORTED;
1048 }
1049
1050 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1051 {
1052         p->rng_fault_state = True;
1053         return WERR_NOT_SUPPORTED;
1054 }
1055
1056 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1057 {
1058         p->rng_fault_state = True;
1059         return WERR_NOT_SUPPORTED;
1060 }
1061
1062 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1063 {
1064         p->rng_fault_state = True;
1065         return WERR_NOT_SUPPORTED;
1066 }
1067
1068 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1069 {
1070         p->rng_fault_state = True;
1071         return WERR_NOT_SUPPORTED;
1072 }
1073
1074 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1075 {
1076         p->rng_fault_state = True;
1077         return WERR_NOT_SUPPORTED;
1078 }
1079
1080 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1081 {
1082         p->rng_fault_state = True;
1083         return WERR_NOT_SUPPORTED;
1084 }
1085
1086 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1087 {
1088         p->rng_fault_state = True;
1089         return WERR_NOT_SUPPORTED;
1090 }
1091
1092 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1093 {
1094         p->rng_fault_state = True;
1095         return WERR_NOT_SUPPORTED;
1096 }
1097
1098 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p, struct svcctl_QueryServiceConfig2W *r)
1099 {
1100         p->rng_fault_state = True;
1101         return WERR_NOT_SUPPORTED;
1102 }
1103
1104 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p, struct svcctl_QueryServiceStatusEx *r)
1105 {
1106         p->rng_fault_state = True;
1107         return WERR_NOT_SUPPORTED;
1108 }
1109
1110 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1111 {
1112         p->rng_fault_state = True;
1113         return WERR_NOT_SUPPORTED;
1114 }
1115
1116 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1117 {
1118         p->rng_fault_state = True;
1119         return WERR_NOT_SUPPORTED;
1120 }
1121
1122 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1123 {
1124         p->rng_fault_state = True;
1125         return WERR_NOT_SUPPORTED;
1126 }
1127