source/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 2 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, write to the Free Software
  22  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  23  */
  24
  25 #include "includes.h"
  26
  27 #undef DBGC_CLASS
  28 #define DBGC_CLASS DBGC_RPC_SRV
  29
  30 struct service_control_op {
  31         const char *name;
  32         SERVICE_CONTROL_OPS *ops;
  33 };
  34
  35 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  36
  37 /* handle external services */
  38 extern SERVICE_CONTROL_OPS rcinit_svc_ops;
  39
  40 /* builtin services (see service_db.c and services/svc_*.c */
  41 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
  42 extern SERVICE_CONTROL_OPS netlogon_svc_ops;
  43 extern SERVICE_CONTROL_OPS winreg_svc_ops;
  44 extern SERVICE_CONTROL_OPS wins_svc_ops;
  45
  46 /* make sure this number patches the number of builtin
  47    SERVICE_CONTROL_OPS structure listed above */
  48
  49 #define SVCCTL_NUM_INTERNAL_SERVICES    4
  50
  51 struct service_control_op *svcctl_ops;
  52
  53 static struct generic_mapping scm_generic_map =
  54         { SC_MANAGER_READ_ACCESS, SC_MANAGER_WRITE_ACCESS, SC_MANAGER_EXECUTE_ACCESS, SC_MANAGER_ALL_ACCESS };
  55 static struct generic_mapping svc_generic_map =
  56         { SERVICE_READ_ACCESS, SERVICE_WRITE_ACCESS, SERVICE_EXECUTE_ACCESS, SERVICE_ALL_ACCESS };
  57
  58
  59 /********************************************************************
  60 ********************************************************************/
  61
  62 BOOL init_service_op_table( void )
  63 {
  64         const char **service_list = lp_svcctl_list();
  65         int num_services = SVCCTL_NUM_INTERNAL_SERVICES + str_list_count( service_list );
  66         int i;
  67
  68         if ( !(svcctl_ops = TALLOC_ARRAY( NULL, struct service_control_op, num_services+1)) ) {
  69                 DEBUG(0,("init_service_op_table: talloc() failed!\n"));
  70                 return False;
  71         }
  72
  73         /* services listed in smb.conf get the rc.init interface */
  74
  75         for ( i=0; service_list && service_list[i]; i++ ) {
  76                 svcctl_ops[i].name = talloc_strdup( svcctl_ops, service_list[i] );
  77                 svcctl_ops[i].ops  = &rcinit_svc_ops;
  78         }
  79
  80         /* add builtin services */
  81
  82         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "Spooler" );
  83         svcctl_ops[i].ops  = &spoolss_svc_ops;
  84         i++;
  85
  86         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "NETLOGON" );
  87         svcctl_ops[i].ops  = &netlogon_svc_ops;
  88         i++;
  89
  90         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "RemoteRegistry" );
  91         svcctl_ops[i].ops  = &winreg_svc_ops;
  92         i++;
  93
  94         svcctl_ops[i].name = talloc_strdup( svcctl_ops, "WINS" );
  95         svcctl_ops[i].ops  = &wins_svc_ops;
  96         i++;
  97
  98         /* NULL terminate the array */
  99
 100         svcctl_ops[i].name = NULL;
 101         svcctl_ops[i].ops  = NULL;
 102
 103         return True;
 104 }
 105
 106 /********************************************************************
 107 ********************************************************************/
 108
 109 static struct service_control_op* find_service_by_name( const char *name )
 110 {
 111         int i;
 112
 113         for ( i=0; svcctl_ops[i].name; i++ ) {
 114                 if ( strequal( name, svcctl_ops[i].name ) )
 115                         return &svcctl_ops[i];
 116         }
 117
 118         return NULL;
 119 }
 120 /********************************************************************
 121 ********************************************************************/
 122
 123 static NTSTATUS svcctl_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token,
 124                                      uint32 access_desired, uint32 *access_granted )
 125 {
 126         NTSTATUS result;
 127
 128         if ( geteuid() == sec_initial_uid() ) {
 129                 DEBUG(5,("svcctl_access_check: using root's token\n"));
 130                 token = get_root_nt_token();
 131         }
 132
 133         se_access_check( sec_desc, token, access_desired, access_granted, &result );
 134
 135         return result;
 136 }
 137
 138 /********************************************************************
 139 ********************************************************************/
 140
 141 static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx )
 142 {
 143         SEC_ACE ace[2];
 144         SEC_ACCESS mask;
 145         size_t i = 0;
 146         SEC_DESC *sd;
 147         SEC_ACL *acl;
 148         size_t sd_size;
 149
 150         /* basic access for Everyone */
 151
 152         init_sec_access(&mask, SC_MANAGER_READ_ACCESS );
 153         init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 154
 155         /* Full Access 'BUILTIN\Administrators' */
 156
 157         init_sec_access(&mask,SC_MANAGER_ALL_ACCESS );
 158         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 159
 160
 161         /* create the security descriptor */
 162
 163         if ( !(acl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 164                 return NULL;
 165
 166         if ( !(sd = make_sec_desc(ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, acl, &sd_size)) )
 167                 return NULL;
 168
 169         return sd;
 170 }
 171
 172 /******************************************************************
 173  free() function for REGISTRY_KEY
 174  *****************************************************************/
 175
 176 static void free_service_handle_info(void *ptr)
 177 {
 178         TALLOC_FREE( ptr );
 179 }
 180
 181 /******************************************************************
 182  Find a registry key handle and return a SERVICE_INFO
 183  *****************************************************************/
 184
 185 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, POLICY_HND *hnd)
 186 {
 187         SERVICE_INFO *service_info = NULL;
 188
 189         if( !find_policy_by_hnd( p, hnd, (void **)(void *)&service_info) ) {
 190                 DEBUG(2,("find_service_info_by_hnd: handle not found"));
 191                 return NULL;
 192         }
 193
 194         return service_info;
 195 }
 196
 197 /******************************************************************
 198  *****************************************************************/
 199
 200 static WERROR create_open_service_handle( pipes_struct *p, POLICY_HND *handle, uint32 type,
 201                                           const char *service, uint32 access_granted )
 202 {
 203         SERVICE_INFO *info = NULL;
 204         WERROR result = WERR_OK;
 205         struct service_control_op *s_op;
 206
 207         if ( !(info = TALLOC_ZERO_P( NULL, SERVICE_INFO )) )
 208                 return WERR_NOMEM;
 209
 210         /* the Service Manager has a NULL name */
 211
 212         info->type = SVC_HANDLE_IS_SCM;
 213
 214         switch ( type ) {
 215         case SVC_HANDLE_IS_SCM:
 216                 info->type = SVC_HANDLE_IS_SCM;
 217                 break;
 218
 219         case SVC_HANDLE_IS_DBLOCK:
 220                 info->type = SVC_HANDLE_IS_DBLOCK;
 221                 break;
 222
 223         case SVC_HANDLE_IS_SERVICE:
 224                 info->type = SVC_HANDLE_IS_SERVICE;
 225
 226                 /* lookup the SERVICE_CONTROL_OPS */
 227
 228                 if ( !(s_op = find_service_by_name( service )) ) {
 229                         result = WERR_NO_SUCH_SERVICE;
 230                         goto done;
 231                 }
 232
 233                 info->ops = s_op->ops;
 234
 235                 if ( !(info->name  = talloc_strdup( info, s_op->name )) ) {
 236                         result = WERR_NOMEM;
 237                         goto done;
 238                 }
 239                 break;
 240
 241         default:
 242                 result = WERR_NO_SUCH_SERVICE;
 243                 goto done;
 244         }
 245
 246         info->access_granted = access_granted;
 247
 248         /* store the SERVICE_INFO and create an open handle */
 249
 250         if ( !create_policy_hnd( p, handle, free_service_handle_info, info ) ) {
 251                 result = WERR_ACCESS_DENIED;
 252                 goto done;
 253         }
 254
 255 done:
 256         if ( !W_ERROR_IS_OK(result) )
 257                 free_service_handle_info( info );
 258
 259         return result;
 260 }
 261
 262 /********************************************************************
 263 ********************************************************************/
 264
 265 WERROR _svcctl_open_scmanager(pipes_struct *p, SVCCTL_Q_OPEN_SCMANAGER *q_u, SVCCTL_R_OPEN_SCMANAGER *r_u)
 266 {
 267         SEC_DESC *sec_desc;
 268         uint32 access_granted = 0;
 269         NTSTATUS status;
 270
 271         /* perform access checks */
 272
 273         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 274                 return WERR_NOMEM;
 275
 276         se_map_generic( &q_u->access, &scm_generic_map );
 277         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, q_u->access, &access_granted );
 278         if ( !NT_STATUS_IS_OK(status) )
 279                 return ntstatus_to_werror( status );
 280
 281         return create_open_service_handle( p, &r_u->handle, SVC_HANDLE_IS_SCM, NULL, access_granted );
 282 }
 283
 284 /********************************************************************
 285 ********************************************************************/
 286
 287 WERROR _svcctl_open_service(pipes_struct *p, SVCCTL_Q_OPEN_SERVICE *q_u, SVCCTL_R_OPEN_SERVICE *r_u)
 288 {
 289         SEC_DESC *sec_desc;
 290         uint32 access_granted = 0;
 291         NTSTATUS status;
 292         pstring service;
 293
 294         rpcstr_pull(service, q_u->servicename.buffer, sizeof(service), q_u->servicename.uni_str_len*2, 0);
 295
 296         DEBUG(5, ("_svcctl_open_service: Attempting to open Service [%s], \n", service));
 297
 298
 299         /* based on my tests you can open a service if you have a valid scm handle */
 300
 301         if ( !find_service_info_by_hnd( p, &q_u->handle ) )
 302                 return WERR_BADFID;
 303
 304         /* perform access checks.  Use the root token in order to ensure that we
 305            retrieve the security descriptor */
 306
 307         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, service, get_root_nt_token() )) )
 308                 return WERR_NOMEM;
 309
 310         se_map_generic( &q_u->access, &svc_generic_map );
 311         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, q_u->access, &access_granted );
 312         if ( !NT_STATUS_IS_OK(status) )
 313                 return ntstatus_to_werror( status );
 314
 315         return create_open_service_handle( p, &r_u->handle, SVC_HANDLE_IS_SERVICE, service, access_granted );
 316 }
 317
 318 /********************************************************************
 319 ********************************************************************/
 320
 321 WERROR _svcctl_CloseServiceHandle(pipes_struct *p, struct svcctl_CloseServiceHandle *r)
 322 {
 323         if ( !close_policy_hnd( p, r->in.handle ) )
 324                 return  WERR_BADFID;
 325
 326         return WERR_OK;
 327 }
 328
 329 /********************************************************************
 330 ********************************************************************/
 331
 332 WERROR _svcctl_get_display_name(pipes_struct *p, SVCCTL_Q_GET_DISPLAY_NAME *q_u, SVCCTL_R_GET_DISPLAY_NAME *r_u)
 333 {
 334         fstring service;
 335         const char *display_name;
 336         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->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         rpcstr_pull(service, q_u->servicename.buffer, sizeof(service), q_u->servicename.uni_str_len*2, 0);
 344
 345         display_name = svcctl_lookup_dispname( service, p->pipe_user.nt_user_token );
 346         init_svcctl_r_get_display_name( r_u, display_name );
 347
 348         return WERR_OK;
 349 }
 350
 351 /********************************************************************
 352 ********************************************************************/
 353
 354 WERROR _svcctl_query_status(pipes_struct *p, SVCCTL_Q_QUERY_STATUS *q_u, SVCCTL_R_QUERY_STATUS *r_u)
 355 {
 356         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 357
 358         /* perform access checks */
 359
 360         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 361                 return WERR_BADFID;
 362
 363         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 364                 return WERR_ACCESS_DENIED;
 365
 366         /* try the service specific status call */
 367
 368         return info->ops->service_status( info->name, &r_u->svc_status );
 369 }
 370
 371 /********************************************************************
 372 ********************************************************************/
 373
 374 static int enumerate_status( TALLOC_CTX *ctx, ENUM_SERVICES_STATUS **status, NT_USER_TOKEN *token )
 375 {
 376         int num_services = 0;
 377         int i;
 378         ENUM_SERVICES_STATUS *st;
 379         const char *display_name;
 380
 381         /* just count */
 382         while ( svcctl_ops[num_services].name )
 383                 num_services++;
 384
 385         if ( !(st = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) ) {
 386                 DEBUG(0,("enumerate_status: talloc() failed!\n"));
 387                 return -1;
 388         }
 389
 390         for ( i=0; i<num_services; i++ ) {
 391                 init_unistr( &st[i].servicename, svcctl_ops[i].name );
 392
 393                 display_name = svcctl_lookup_dispname( svcctl_ops[i].name, token );
 394                 init_unistr( &st[i].displayname, display_name );
 395
 396                 svcctl_ops[i].ops->service_status( svcctl_ops[i].name, &st[i].status );
 397         }
 398
 399         *status = st;
 400
 401         return num_services;
 402 }
 403
 404 /********************************************************************
 405 ********************************************************************/
 406
 407 WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u)
 408 {
 409         ENUM_SERVICES_STATUS *services = NULL;
 410         int num_services;
 411         int i = 0;
 412         size_t buffer_size = 0;
 413         WERROR result = WERR_OK;
 414         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 415         NT_USER_TOKEN *token = p->pipe_user.nt_user_token;
 416
 417         /* perform access checks */
 418
 419         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 420                 return WERR_BADFID;
 421
 422         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) ) {
 423                 return WERR_ACCESS_DENIED;
 424         }
 425
 426         num_services = enumerate_status( p->mem_ctx, &services, token );
 427         if (num_services == -1 ) {
 428                 return WERR_NOMEM;
 429         }
 430
 431         for ( i=0; i<num_services; i++ ) {
 432                 buffer_size += svcctl_sizeof_enum_services_status(&services[i]);
 433         }
 434
 435         buffer_size += buffer_size % 4;
 436
 437         if (buffer_size > q_u->buffer_size ) {
 438                 num_services = 0;
 439                 result = WERR_MORE_DATA;
 440         }
 441
 442         rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx);
 443
 444         if ( W_ERROR_IS_OK(result) ) {
 445                 for ( i=0; i<num_services; i++ )
 446                         svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 );
 447         }
 448
 449         r_u->needed      = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 450         r_u->returned    = (uint32)num_services;
 451
 452         if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) )
 453                 return WERR_NOMEM;
 454
 455         *r_u->resume = 0x0;
 456
 457         return result;
 458 }
 459
 460 /********************************************************************
 461 ********************************************************************/
 462
 463 WERROR _svcctl_start_service(pipes_struct *p, SVCCTL_Q_START_SERVICE *q_u, SVCCTL_R_START_SERVICE *r_u)
 464 {
 465         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 466
 467         /* perform access checks */
 468
 469         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 470                 return WERR_BADFID;
 471
 472         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 473                 return WERR_ACCESS_DENIED;
 474
 475         return info->ops->start_service( info->name );
 476 }
 477
 478 /********************************************************************
 479 ********************************************************************/
 480
 481 WERROR _svcctl_control_service(pipes_struct *p, SVCCTL_Q_CONTROL_SERVICE *q_u, SVCCTL_R_CONTROL_SERVICE *r_u)
 482 {
 483         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 484
 485         /* perform access checks */
 486
 487         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 488                 return WERR_BADFID;
 489
 490         switch ( q_u->control ) {
 491         case SVCCTL_CONTROL_STOP:
 492                 if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 493                         return WERR_ACCESS_DENIED;
 494
 495                 return info->ops->stop_service( info->name, &r_u->svc_status );
 496
 497         case SVCCTL_CONTROL_INTERROGATE:
 498                 if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 499                         return WERR_ACCESS_DENIED;
 500
 501                 return info->ops->service_status( info->name, &r_u->svc_status );
 502         }
 503
 504         /* default control action */
 505
 506         return WERR_ACCESS_DENIED;
 507 }
 508
 509 /********************************************************************
 510 ********************************************************************/
 511
 512 WERROR _svcctl_enum_dependent_services( pipes_struct *p, SVCCTL_Q_ENUM_DEPENDENT_SERVICES *q_u, SVCCTL_R_ENUM_DEPENDENT_SERVICES *r_u )
 513 {
 514         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 515
 516         /* perform access checks */
 517
 518         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 519                 return WERR_BADFID;
 520
 521         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 522                 return WERR_ACCESS_DENIED;
 523
 524         /* we have to set the outgoing buffer size to the same as the
 525            incoming buffer size (even in the case of failure */
 526
 527         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 528
 529         r_u->needed      = q_u->buffer_size;
 530
 531         /* no dependent services...basically a stub function */
 532         r_u->returned    = 0;
 533
 534         return WERR_OK;
 535 }
 536
 537 /********************************************************************
 538 ********************************************************************/
 539
 540 WERROR _svcctl_query_service_status_ex( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_STATUSEX *q_u, SVCCTL_R_QUERY_SERVICE_STATUSEX *r_u )
 541 {
 542         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 543         uint32 buffer_size;
 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_QUERY_STATUS) )
 551                 return WERR_ACCESS_DENIED;
 552
 553         /* we have to set the outgoing buffer size to the same as the
 554            incoming buffer size (even in the case of failure) */
 555
 556         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 557         r_u->needed = q_u->buffer_size;
 558
 559         switch ( q_u->level ) {
 560                 case SVC_STATUS_PROCESS_INFO:
 561                 {
 562                         SERVICE_STATUS_PROCESS svc_stat_proc;
 563
 564                         /* Get the status of the service.. */
 565                         info->ops->service_status( info->name, &svc_stat_proc.status );
 566                         svc_stat_proc.process_id     = sys_getpid();
 567                         svc_stat_proc.service_flags  = 0x0;
 568
 569                         svcctl_io_service_status_process( "", &svc_stat_proc, &r_u->buffer, 0 );
 570                         buffer_size = sizeof(SERVICE_STATUS_PROCESS);
 571                         break;
 572                 }
 573
 574                 default:
 575                         return WERR_UNKNOWN_LEVEL;
 576         }
 577
 578
 579         buffer_size += buffer_size % 4;
 580         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 581
 582         if (buffer_size > q_u->buffer_size )
 583                 return WERR_MORE_DATA;
 584
 585         return WERR_OK;
 586 }
 587
 588 /********************************************************************
 589 ********************************************************************/
 590
 591 static WERROR fill_svc_config( TALLOC_CTX *ctx, const char *name, SERVICE_CONFIG *config, NT_USER_TOKEN *token )
 592 {
 593         REGVAL_CTR *values;
 594         REGISTRY_VALUE *val;
 595
 596         /* retrieve the registry values for this service */
 597
 598         if ( !(values = svcctl_fetch_regvalues( name, token )) )
 599                 return WERR_REG_CORRUPT;
 600
 601         /* now fill in the individual values */
 602
 603         config->displayname = TALLOC_ZERO_P( ctx, UNISTR2 );
 604         if ( (val = regval_ctr_getvalue( values, "DisplayName" )) != NULL )
 605                 init_unistr2( config->displayname, regval_sz( val ), UNI_STR_TERMINATE );
 606         else
 607                 init_unistr2( config->displayname, name, UNI_STR_TERMINATE );
 608
 609         if ( (val = regval_ctr_getvalue( values, "ObjectName" )) != NULL ) {
 610                 config->startname = TALLOC_ZERO_P( ctx, UNISTR2 );
 611                 init_unistr2( config->startname, regval_sz( val ), UNI_STR_TERMINATE );
 612         }
 613
 614         if ( (val = regval_ctr_getvalue( values, "ImagePath" )) != NULL ) {
 615                 config->executablepath = TALLOC_ZERO_P( ctx, UNISTR2 );
 616                 init_unistr2( config->executablepath, regval_sz( val ), UNI_STR_TERMINATE );
 617         }
 618
 619         /* a few hard coded values */
 620         /* loadordergroup and dependencies are empty */
 621
 622         config->tag_id           = 0x00000000;                  /* unassigned loadorder group */
 623         config->service_type     = SVCCTL_WIN32_OWN_PROC;
 624         config->error_control    = SVCCTL_SVC_ERROR_NORMAL;
 625
 626         /* set the start type.  NetLogon and WINS are disabled to prevent
 627            the client from showing the "Start" button (if of course the services
 628            are not running */
 629
 630         if ( strequal( name, "NETLOGON" ) && ( !share_defined(name) ) )
 631                 config->start_type = SVCCTL_DISABLED;
 632         else if ( strequal( name, "WINS" ) && ( !lp_wins_support() ))
 633                 config->start_type = SVCCTL_DISABLED;
 634         else
 635                 config->start_type = SVCCTL_DEMAND_START;
 636
 637
 638         TALLOC_FREE( values );
 639
 640         return WERR_OK;
 641 }
 642
 643 /********************************************************************
 644 ********************************************************************/
 645
 646 WERROR _svcctl_query_service_config( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG *r_u )
 647 {
 648         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 649         uint32 buffer_size;
 650         WERROR wresult;
 651
 652         /* perform access checks */
 653
 654         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 655                 return WERR_BADFID;
 656
 657         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 658                 return WERR_ACCESS_DENIED;
 659
 660         /* we have to set the outgoing buffer size to the same as the
 661            incoming buffer size (even in the case of failure */
 662
 663         r_u->needed      = q_u->buffer_size;
 664
 665         wresult = fill_svc_config( p->mem_ctx, info->name, &r_u->config, p->pipe_user.nt_user_token );
 666         if ( !W_ERROR_IS_OK(wresult) )
 667                 return wresult;
 668
 669         buffer_size = svcctl_sizeof_service_config( &r_u->config );
 670         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 671
 672         if (buffer_size > q_u->buffer_size ) {
 673                 ZERO_STRUCTP( &r_u->config );
 674                 return WERR_INSUFFICIENT_BUFFER;
 675         }
 676
 677         return WERR_OK;
 678 }
 679
 680 /********************************************************************
 681 ********************************************************************/
 682
 683 WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u )
 684 {
 685         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 686         uint32 buffer_size;
 687
 688         /* perform access checks */
 689
 690         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 691                 return WERR_BADFID;
 692
 693         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 694                 return WERR_ACCESS_DENIED;
 695
 696         /* we have to set the outgoing buffer size to the same as the
 697            incoming buffer size (even in the case of failure */
 698
 699         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 700         r_u->needed = q_u->buffer_size;
 701
 702         switch ( q_u->level ) {
 703         case SERVICE_CONFIG_DESCRIPTION:
 704                 {
 705                         SERVICE_DESCRIPTION desc_buf;
 706                         const char *description;
 707
 708                         description = svcctl_lookup_description( info->name, p->pipe_user.nt_user_token );
 709
 710                         ZERO_STRUCTP( &desc_buf );
 711
 712                         init_service_description_buffer( &desc_buf, description );
 713                         svcctl_io_service_description( "", &desc_buf, &r_u->buffer, 0 );
 714                         buffer_size = svcctl_sizeof_service_description( &desc_buf );
 715
 716                         break;
 717                 }
 718                 break;
 719         case SERVICE_CONFIG_FAILURE_ACTIONS:
 720                 {
 721                         SERVICE_FAILURE_ACTIONS actions;
 722
 723                         /* nothing to say...just service the request */
 724
 725                         ZERO_STRUCTP( &actions );
 726                         svcctl_io_service_fa( "", &actions, &r_u->buffer, 0 );
 727                         buffer_size = svcctl_sizeof_service_fa( &actions );
 728
 729                         break;
 730                 }
 731                 break;
 732
 733         default:
 734                 return WERR_UNKNOWN_LEVEL;
 735         }
 736
 737         buffer_size += buffer_size % 4;
 738         r_u->needed = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 739
 740         if (buffer_size > q_u->buffer_size )
 741                 return WERR_INSUFFICIENT_BUFFER;
 742
 743         return WERR_OK;
 744 }
 745
 746 /********************************************************************
 747 ********************************************************************/
 748
 749 WERROR _svcctl_lock_service_db( pipes_struct *p, SVCCTL_Q_LOCK_SERVICE_DB *q_u, SVCCTL_R_LOCK_SERVICE_DB *r_u )
 750 {
 751         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 752
 753         /* perform access checks */
 754
 755         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 756                 return WERR_BADFID;
 757
 758         if ( !(info->access_granted & SC_RIGHT_MGR_LOCK) )
 759                 return WERR_ACCESS_DENIED;
 760
 761         /* Just open a handle.  Doesn't actually lock anything */
 762
 763         return create_open_service_handle( p, &r_u->h_lock, SVC_HANDLE_IS_DBLOCK, NULL, 0 );
 764 ;
 765 }
 766
 767 /********************************************************************
 768 ********************************************************************/
 769
 770 WERROR _svcctl_unlock_service_db( pipes_struct *p, SVCCTL_Q_UNLOCK_SERVICE_DB *q_u, SVCCTL_R_UNLOCK_SERVICE_DB *r_u )
 771 {
 772         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->h_lock );
 773
 774
 775         if ( !info || (info->type != SVC_HANDLE_IS_DBLOCK) )
 776                 return WERR_BADFID;
 777
 778         return close_policy_hnd( p, &q_u->h_lock) ? WERR_OK : WERR_BADFID;
 779 }
 780
 781 /********************************************************************
 782 ********************************************************************/
 783
 784 WERROR _svcctl_query_service_sec( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_SEC *q_u, SVCCTL_R_QUERY_SERVICE_SEC *r_u )
 785 {
 786         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 787         SEC_DESC *sec_desc;
 788
 789
 790         /* only support the SCM and individual services */
 791
 792         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM)) )
 793                 return WERR_BADFID;
 794
 795         /* check access reights (according to MSDN) */
 796
 797         if ( !(info->access_granted & STD_RIGHT_READ_CONTROL_ACCESS) )
 798                 return WERR_ACCESS_DENIED;
 799
 800         /* TODO: handle something besides DACL_SECURITY_INFORMATION */
 801
 802         if ( (q_u->security_flags & DACL_SECURITY_INFORMATION) != DACL_SECURITY_INFORMATION )
 803                 return WERR_INVALID_PARAM;
 804
 805         /* lookup the security descriptor and marshall it up for a reply */
 806
 807         if ( !(sec_desc = svcctl_get_secdesc( p->mem_ctx, info->name, get_root_nt_token() )) )
 808                 return WERR_NOMEM;
 809
 810         r_u->needed = sec_desc_size( sec_desc );
 811
 812         if ( r_u->needed > q_u->buffer_size ) {
 813                 ZERO_STRUCTP( &r_u->buffer );
 814                 return WERR_INSUFFICIENT_BUFFER;
 815         }
 816
 817         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 818
 819         if ( !sec_io_desc("", &sec_desc, &r_u->buffer.prs, 0 ) )
 820                 return WERR_NOMEM;
 821
 822         return WERR_OK;
 823 }
 824
 825 /********************************************************************
 826 ********************************************************************/
 827
 828 WERROR _svcctl_set_service_sec( pipes_struct *p, SVCCTL_Q_SET_SERVICE_SEC *q_u, SVCCTL_R_SET_SERVICE_SEC *r_u )
 829 {
 830         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 831         SEC_DESC *sec_desc = NULL;
 832         uint32 required_access;
 833
 834         if ( !info || !(info->type & (SVC_HANDLE_IS_SERVICE|SVC_HANDLE_IS_SCM))  )
 835                 return WERR_BADFID;
 836
 837         /* can't set the security de4scriptor on the ServiceControlManager */
 838
 839         if ( info->type == SVC_HANDLE_IS_SCM )
 840                 return WERR_ACCESS_DENIED;
 841
 842         /* check the access on the open handle */
 843
 844         switch ( q_u->security_flags ) {
 845                 case DACL_SECURITY_INFORMATION:
 846                         required_access = STD_RIGHT_WRITE_DAC_ACCESS;
 847                         break;
 848
 849                 case OWNER_SECURITY_INFORMATION:
 850                 case GROUP_SECURITY_INFORMATION:
 851                         required_access = STD_RIGHT_WRITE_OWNER_ACCESS;
 852                         break;
 853
 854                 case SACL_SECURITY_INFORMATION:
 855                         return WERR_INVALID_PARAM;
 856                 default:
 857                         return WERR_INVALID_PARAM;
 858         }
 859
 860         if ( !(info->access_granted & required_access) )
 861                 return WERR_ACCESS_DENIED;
 862
 863         /* read the security descfriptor */
 864
 865         if ( !sec_io_desc("", &sec_desc, &q_u->buffer.prs, 0 ) )
 866                 return WERR_NOMEM;
 867
 868         /* store the new SD */
 869
 870         if ( !svcctl_set_secdesc( p->mem_ctx, info->name, sec_desc, p->pipe_user.nt_user_token ) )
 871                 return WERR_ACCESS_DENIED;
 872
 873         return WERR_OK;
 874 }
 875
 876
 877 WERROR _svcctl_ControlService(pipes_struct *p, struct svcctl_ControlService *r)
 878 {
 879         p->rng_fault_state = True;
 880         return WERR_NOT_SUPPORTED;
 881 }
 882
 883 WERROR _svcctl_DeleteService(pipes_struct *p, struct svcctl_DeleteService *r)
 884 {
 885         p->rng_fault_state = True;
 886         return WERR_NOT_SUPPORTED;
 887 }
 888
 889 WERROR _svcctl_LockServiceDatabase(pipes_struct *p, struct svcctl_LockServiceDatabase *r)
 890 {
 891         p->rng_fault_state = True;
 892         return WERR_NOT_SUPPORTED;
 893 }
 894
 895 WERROR _svcctl_QueryServiceObjectSecurity(pipes_struct *p, struct svcctl_QueryServiceObjectSecurity *r)
 896 {
 897         p->rng_fault_state = True;
 898         return WERR_NOT_SUPPORTED;
 899 }
 900
 901 WERROR _svcctl_SetServiceObjectSecurity(pipes_struct *p, struct svcctl_SetServiceObjectSecurity *r)
 902 {
 903         p->rng_fault_state = True;
 904         return WERR_NOT_SUPPORTED;
 905 }
 906
 907 WERROR _svcctl_QueryServiceStatus(pipes_struct *p, struct svcctl_QueryServiceStatus *r)
 908 {
 909         p->rng_fault_state = True;
 910         return WERR_NOT_SUPPORTED;
 911 }
 912
 913 WERROR _svcctl_SetServiceStatus(pipes_struct *p, struct svcctl_SetServiceStatus *r)
 914 {
 915         p->rng_fault_state = True;
 916         return WERR_NOT_SUPPORTED;
 917 }
 918
 919 WERROR _svcctl_UnlockServiceDatabase(pipes_struct *p, struct svcctl_UnlockServiceDatabase *r)
 920 {
 921         p->rng_fault_state = True;
 922         return WERR_NOT_SUPPORTED;
 923 }
 924
 925 WERROR _svcctl_NotifyBootConfigStatus(pipes_struct *p, struct svcctl_NotifyBootConfigStatus *r)
 926 {
 927         p->rng_fault_state = True;
 928         return WERR_NOT_SUPPORTED;
 929 }
 930
 931 WERROR _svcctl_SCSetServiceBitsW(pipes_struct *p, struct svcctl_SCSetServiceBitsW *r)
 932 {
 933         p->rng_fault_state = True;
 934         return WERR_NOT_SUPPORTED;
 935 }
 936
 937 WERROR _svcctl_ChangeServiceConfigW(pipes_struct *p, struct svcctl_ChangeServiceConfigW *r)
 938 {
 939         p->rng_fault_state = True;
 940         return WERR_NOT_SUPPORTED;
 941 }
 942
 943 WERROR _svcctl_CreateServiceW(pipes_struct *p, struct svcctl_CreateServiceW *r)
 944 {
 945         p->rng_fault_state = True;
 946         return WERR_NOT_SUPPORTED;
 947 }
 948
 949 WERROR _svcctl_EnumDependentServicesW(pipes_struct *p, struct svcctl_EnumDependentServicesW *r)
 950 {
 951         p->rng_fault_state = True;
 952         return WERR_NOT_SUPPORTED;
 953 }
 954
 955 WERROR _svcctl_EnumServicesStatusW(pipes_struct *p, struct svcctl_EnumServicesStatusW *r)
 956 {
 957         p->rng_fault_state = True;
 958         return WERR_NOT_SUPPORTED;
 959 }
 960
 961 WERROR _svcctl_OpenSCManagerW(pipes_struct *p, struct svcctl_OpenSCManagerW *r)
 962 {
 963         p->rng_fault_state = True;
 964         return WERR_NOT_SUPPORTED;
 965 }
 966
 967 WERROR _svcctl_OpenServiceW(pipes_struct *p, struct svcctl_OpenServiceW *r)
 968 {
 969         p->rng_fault_state = True;
 970         return WERR_NOT_SUPPORTED;
 971 }
 972
 973 WERROR _svcctl_QueryServiceConfigW(pipes_struct *p, struct svcctl_QueryServiceConfigW *r)
 974 {
 975         p->rng_fault_state = True;
 976         return WERR_NOT_SUPPORTED;
 977 }
 978
 979 WERROR _svcctl_QueryServiceLockStatusW(pipes_struct *p, struct svcctl_QueryServiceLockStatusW *r)
 980 {
 981         p->rng_fault_state = True;
 982         return WERR_NOT_SUPPORTED;
 983 }
 984
 985 WERROR _svcctl_StartServiceW(pipes_struct *p, struct svcctl_StartServiceW *r)
 986 {
 987         p->rng_fault_state = True;
 988         return WERR_NOT_SUPPORTED;
 989 }
 990
 991 WERROR _svcctl_GetServiceDisplayNameW(pipes_struct *p, struct svcctl_GetServiceDisplayNameW *r)
 992 {
 993         p->rng_fault_state = True;
 994         return WERR_NOT_SUPPORTED;
 995 }
 996
 997 WERROR _svcctl_GetServiceKeyNameW(pipes_struct *p, struct svcctl_GetServiceKeyNameW *r)
 998 {
 999         p->rng_fault_state = True;
1000         return WERR_NOT_SUPPORTED;
1001 }
1002
1003 WERROR _svcctl_SCSetServiceBitsA(pipes_struct *p, struct svcctl_SCSetServiceBitsA *r)
1004 {
1005         p->rng_fault_state = True;
1006         return WERR_NOT_SUPPORTED;
1007 }
1008
1009 WERROR _svcctl_ChangeServiceConfigA(pipes_struct *p, struct svcctl_ChangeServiceConfigA *r)
1010 {
1011         p->rng_fault_state = True;
1012         return WERR_NOT_SUPPORTED;
1013 }
1014
1015 WERROR _svcctl_CreateServiceA(pipes_struct *p, struct svcctl_CreateServiceA *r)
1016 {
1017         p->rng_fault_state = True;
1018         return WERR_NOT_SUPPORTED;
1019 }
1020
1021 WERROR _svcctl_EnumDependentServicesA(pipes_struct *p, struct svcctl_EnumDependentServicesA *r)
1022 {
1023         p->rng_fault_state = True;
1024         return WERR_NOT_SUPPORTED;
1025 }
1026
1027 WERROR _svcctl_EnumServicesStatusA(pipes_struct *p, struct svcctl_EnumServicesStatusA *r)
1028 {
1029         p->rng_fault_state = True;
1030         return WERR_NOT_SUPPORTED;
1031 }
1032
1033 WERROR _svcctl_OpenSCManagerA(pipes_struct *p, struct svcctl_OpenSCManagerA *r)
1034 {
1035         p->rng_fault_state = True;
1036         return WERR_NOT_SUPPORTED;
1037 }
1038
1039 WERROR _svcctl_OpenServiceA(pipes_struct *p, struct svcctl_OpenServiceA *r)
1040 {
1041         p->rng_fault_state = True;
1042         return WERR_NOT_SUPPORTED;
1043 }
1044
1045 WERROR _svcctl_QueryServiceConfigA(pipes_struct *p, struct svcctl_QueryServiceConfigA *r)
1046 {
1047         p->rng_fault_state = True;
1048         return WERR_NOT_SUPPORTED;
1049 }
1050
1051 WERROR _svcctl_QueryServiceLockStatusA(pipes_struct *p, struct svcctl_QueryServiceLockStatusA *r)
1052 {
1053         p->rng_fault_state = True;
1054         return WERR_NOT_SUPPORTED;
1055 }
1056
1057 WERROR _svcctl_StartServiceA(pipes_struct *p, struct svcctl_StartServiceA *r)
1058 {
1059         p->rng_fault_state = True;
1060         return WERR_NOT_SUPPORTED;
1061 }
1062
1063 WERROR _svcctl_GetServiceDisplayNameA(pipes_struct *p, struct svcctl_GetServiceDisplayNameA *r)
1064 {
1065         p->rng_fault_state = True;
1066         return WERR_NOT_SUPPORTED;
1067 }
1068
1069 WERROR _svcctl_GetServiceKeyNameA(pipes_struct *p, struct svcctl_GetServiceKeyNameA *r)
1070 {
1071         p->rng_fault_state = True;
1072         return WERR_NOT_SUPPORTED;
1073 }
1074
1075 WERROR _svcctl_GetCurrentGroupeStateW(pipes_struct *p, struct svcctl_GetCurrentGroupeStateW *r)
1076 {
1077         p->rng_fault_state = True;
1078         return WERR_NOT_SUPPORTED;
1079 }
1080
1081 WERROR _svcctl_EnumServiceGroupW(pipes_struct *p, struct svcctl_EnumServiceGroupW *r)
1082 {
1083         p->rng_fault_state = True;
1084         return WERR_NOT_SUPPORTED;
1085 }
1086
1087 WERROR _svcctl_ChangeServiceConfig2A(pipes_struct *p, struct svcctl_ChangeServiceConfig2A *r)
1088 {
1089         p->rng_fault_state = True;
1090         return WERR_NOT_SUPPORTED;
1091 }
1092
1093 WERROR _svcctl_ChangeServiceConfig2W(pipes_struct *p, struct svcctl_ChangeServiceConfig2W *r)
1094 {
1095         p->rng_fault_state = True;
1096         return WERR_NOT_SUPPORTED;
1097 }
1098
1099 WERROR _svcctl_QueryServiceConfig2A(pipes_struct *p, struct svcctl_QueryServiceConfig2A *r)
1100 {
1101         p->rng_fault_state = True;
1102         return WERR_NOT_SUPPORTED;
1103 }
1104
1105 WERROR _svcctl_QueryServiceConfig2W(pipes_struct *p, struct svcctl_QueryServiceConfig2W *r)
1106 {
1107         p->rng_fault_state = True;
1108         return WERR_NOT_SUPPORTED;
1109 }
1110
1111 WERROR _svcctl_QueryServiceStatusEx(pipes_struct *p, struct svcctl_QueryServiceStatusEx *r)
1112 {
1113         p->rng_fault_state = True;
1114         return WERR_NOT_SUPPORTED;
1115 }
1116
1117 WERROR _EnumServicesStatusExA(pipes_struct *p, struct EnumServicesStatusExA *r)
1118 {
1119         p->rng_fault_state = True;
1120         return WERR_NOT_SUPPORTED;
1121 }
1122
1123 WERROR _EnumServicesStatusExW(pipes_struct *p, struct EnumServicesStatusExW *r)
1124 {
1125         p->rng_fault_state = True;
1126         return WERR_NOT_SUPPORTED;
1127 }
1128
1129 WERROR _svcctl_SCSendTSMessage(pipes_struct *p, struct svcctl_SCSendTSMessage *r)
1130 {
1131         p->rng_fault_state = True;
1132         return WERR_NOT_SUPPORTED;
1133 }
1134