source/rpc_server/srv_svcctl_nt.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  RPC Pipe client / server routines
   4  *  Copyright (C) Gerald (Jerry) Carter             2005,
   5  *  Copyright (C) Marcin Krzysztof Porwit           2005.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License as published by
   9  *  the Free Software Foundation; either version 2 of the License, or
  10  *  (at your option) any later version.
  11  *
  12  *  This program is distributed in the hope that it will be useful,
  13  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  14  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  15  *  GNU General Public License for more details.
  16  *
  17  *  You should have received a copy of the GNU General Public License
  18  *  along with this program; if not, write to the Free Software
  19  *  Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  20  */
  21
  22 /* TODO - Do the OpenService service name matching case-independently, or at least make it an option. */
  23
  24
  25 #include "includes.h"
  26
  27 #undef DBGC_CLASS
  28 #define DBGC_CLASS DBGC_RPC_SRV
  29
  30 #define SERVICEDB_VERSION_V1 1 /* Will there be more? */
  31 #define INTERNAL_SERVICES_LIST "NETLOGON Spooler"
  32
  33 /*                                                                                                                     */
  34 /* scripts will execute from the following libdir, if they are in the enable svcctl=<list of scripts>                  */
  35 /* these should likely be symbolic links. Note that information about them will be extracted from the files themselves */
  36 /* using the LSB standard keynames for various information                                                             */
  37
  38 #define SVCCTL_SCRIPT_DIR  "/svcctl/"
  39
  40
  41 struct service_control_op_table {
  42         const char *name;
  43         SERVICE_CONTROL_OPS *ops;
  44 };
  45
  46 extern SERVICE_CONTROL_OPS spoolss_svc_ops;
  47
  48 struct service_control_op_table svcctl_ops[] = {
  49         { "Spooler",    &spoolss_svc_ops },
  50         { "NETLOGON",   NULL },
  51         { NULL,         NULL }
  52 };
  53
  54
  55 /********************************************************************
  56 ********************************************************************/
  57
  58 static NTSTATUS svcctl_access_check( SEC_DESC *sec_desc, NT_USER_TOKEN *token,
  59                                      uint32 access_desired, uint32 *access_granted )
  60 {
  61         NTSTATUS result;
  62
  63         /* maybe add privilege checks in here later */
  64
  65         se_access_check( sec_desc, token, access_desired, access_granted, &result );
  66
  67         return result;
  68 }
  69
  70 /********************************************************************
  71 ********************************************************************/
  72
  73 static SEC_DESC* construct_scm_sd( TALLOC_CTX *ctx )
  74 {
  75         SEC_ACE ace[2];
  76         SEC_ACCESS mask;
  77         size_t i = 0;
  78         SEC_DESC *sd;
  79         SEC_ACL *acl;
  80         uint32 sd_size;
  81
  82         /* basic access for Everyone */
  83
  84         init_sec_access(&mask, SC_MANAGER_READ_ACCESS );
  85         init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
  86
  87         /* Full Access 'BUILTIN\Administrators' */
  88
  89         init_sec_access(&mask,SC_MANAGER_ALL_ACCESS );
  90         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
  91
  92
  93         /* create the security descriptor */
  94
  95         if ( !(acl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
  96                 return NULL;
  97
  98         if ( !(sd = make_sec_desc(ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, acl, &sd_size)) )
  99                 return NULL;
 100
 101         return sd;
 102 }
 103
 104 /********************************************************************
 105 ********************************************************************/
 106
 107 static SEC_DESC* construct_service_sd( TALLOC_CTX *ctx )
 108 {
 109         SEC_ACE ace[4];
 110         SEC_ACCESS mask;
 111         size_t i = 0;
 112         SEC_DESC *sd;
 113         SEC_ACL *acl;
 114         uint32 sd_size;
 115
 116         /* basic access for Everyone */
 117
 118         init_sec_access(&mask, SERVICE_READ_ACCESS );
 119         init_sec_ace(&ace[i++], &global_sid_World, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 120
 121         init_sec_access(&mask,SERVICE_EXECUTE_ACCESS );
 122         init_sec_ace(&ace[i++], &global_sid_Builtin_Power_Users, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 123
 124         init_sec_access(&mask,SERVICE_ALL_ACCESS );
 125         init_sec_ace(&ace[i++], &global_sid_Builtin_Server_Operators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 126         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators, SEC_ACE_TYPE_ACCESS_ALLOWED, mask, 0);
 127
 128         /* create the security descriptor */
 129
 130         if ( !(acl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 131                 return NULL;
 132
 133         if ( !(sd = make_sec_desc(ctx, SEC_DESC_REVISION, SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL, acl, &sd_size)) )
 134                 return NULL;
 135
 136         return sd;
 137 }
 138
 139 /******************************************************************
 140  free() function for REGISTRY_KEY
 141  *****************************************************************/
 142
 143 static void free_service_handle_info(void *ptr)
 144 {
 145         SERVICE_INFO *info = (SERVICE_INFO*)ptr;
 146
 147         SAFE_FREE(info->name);
 148         SAFE_FREE(info);
 149 }
 150
 151 /******************************************************************
 152  Find a registry key handle and return a SERVICE_INFO
 153  *****************************************************************/
 154
 155 static SERVICE_INFO *find_service_info_by_hnd(pipes_struct *p, POLICY_HND *hnd)
 156 {
 157         SERVICE_INFO *service_info = NULL;
 158
 159         if( !find_policy_by_hnd( p, hnd, (void **)&service_info) ) {
 160                 DEBUG(2,("find_service_info_by_hnd: handle not found"));
 161                 return NULL;
 162         }
 163
 164         return service_info;
 165 }
 166
 167 /******************************************************************
 168  *****************************************************************/
 169
 170 static WERROR create_open_service_handle( pipes_struct *p, POLICY_HND *handle,
 171                                           const char *service, uint32 access_granted )
 172 {
 173         SERVICE_INFO *info = NULL;
 174         WERROR result = WERR_OK;
 175
 176         if ( !(info = SMB_MALLOC_P( SERVICE_INFO )) )
 177                 return WERR_NOMEM;
 178
 179         ZERO_STRUCTP( info );
 180
 181         /* the Service Manager has a NULL name */
 182
 183         if ( !service ) {
 184                 info->type = SVC_HANDLE_IS_SCM;
 185         } else {
 186                 int i;
 187
 188                 info->type = SVC_HANDLE_IS_SERVICE;
 189
 190                 /* lookup the SERVICE_CONTROL_OPS */
 191
 192                 for ( i=0; svcctl_ops[i].name; i++ ) {
 193                         if ( strequal( svcctl_ops[i].name, service ) )  {
 194                                 info->ops = svcctl_ops[i].ops;
 195                                 break;
 196                         }
 197                 }
 198
 199                 if ( !svcctl_ops[i].name ) {
 200                         result = WERR_NO_SUCH_SERVICE;
 201                         goto done;
 202                 }
 203
 204                 if ( !(info->name  = SMB_STRDUP( service )) ) {
 205                         result = WERR_NOMEM;
 206                         goto done;
 207                 }
 208         }
 209
 210         info->access_granted = access_granted;
 211
 212         /* store the SERVICE_INFO and create an open handle */
 213
 214         if ( !create_policy_hnd( p, handle, free_service_handle_info, info ) ) {
 215                 result = WERR_ACCESS_DENIED;
 216                 goto done;
 217         }
 218
 219 done:
 220         if ( !W_ERROR_IS_OK(result) )
 221                 free_service_handle_info( info );
 222
 223         return result;
 224 }
 225
 226 /********************************************************************
 227 ********************************************************************/
 228
 229 WERROR _svcctl_open_scmanager(pipes_struct *p, SVCCTL_Q_OPEN_SCMANAGER *q_u, SVCCTL_R_OPEN_SCMANAGER *r_u)
 230 {
 231         SEC_DESC *sec_desc;
 232         uint32 access_granted = 0;
 233         NTSTATUS status;
 234
 235         /* perform access checks */
 236
 237         if ( !(sec_desc = construct_scm_sd( p->mem_ctx )) )
 238                 return WERR_NOMEM;
 239
 240         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, q_u->access, &access_granted );
 241         if ( !NT_STATUS_IS_OK(status) )
 242                 return ntstatus_to_werror( status );
 243
 244         return create_open_service_handle( p, &r_u->handle, NULL, access_granted );
 245 }
 246
 247 /********************************************************************
 248 ********************************************************************/
 249
 250 WERROR _svcctl_open_service(pipes_struct *p, SVCCTL_Q_OPEN_SERVICE *q_u, SVCCTL_R_OPEN_SERVICE *r_u)
 251 {
 252         SEC_DESC *sec_desc;
 253         uint32 access_granted = 0;
 254         NTSTATUS status;
 255         pstring service;
 256
 257         rpcstr_pull(service, q_u->servicename.buffer, sizeof(service), q_u->servicename.uni_str_len*2, 0);
 258
 259         DEBUG(5, ("_svcctl_open_service: Attempting to open Service [%s], \n", service));
 260
 261
 262         /* based on my tests you can open a service if you have a valid scm handle */
 263
 264         if ( !find_service_info_by_hnd( p, &q_u->handle ) )
 265                 return WERR_BADFID;
 266
 267         /* perform access checks */
 268
 269         if ( !(sec_desc = construct_service_sd( p->mem_ctx )) )
 270                 return WERR_NOMEM;
 271
 272         status = svcctl_access_check( sec_desc, p->pipe_user.nt_user_token, q_u->access, &access_granted );
 273         if ( !NT_STATUS_IS_OK(status) )
 274                 return ntstatus_to_werror( status );
 275
 276 #if 0   /* FIXME!!! */
 277         if ( ! get_service_info(service_tdb, service, info) ) {
 278                 return WERR_NO_SUCH_SERVICE;
 279 #endif
 280
 281         return create_open_service_handle( p, &r_u->handle, service, access_granted );
 282 }
 283
 284 /********************************************************************
 285 ********************************************************************/
 286
 287 WERROR _svcctl_close_service(pipes_struct *p, SVCCTL_Q_CLOSE_SERVICE *q_u, SVCCTL_R_CLOSE_SERVICE *r_u)
 288 {
 289         return close_policy_hnd( p, &q_u->handle ) ? WERR_OK : WERR_BADFID;
 290 }
 291
 292 /********************************************************************
 293 ********************************************************************/
 294
 295 WERROR _svcctl_get_display_name(pipes_struct *p, SVCCTL_Q_GET_DISPLAY_NAME *q_u, SVCCTL_R_GET_DISPLAY_NAME *r_u)
 296 {
 297         fstring service;
 298         fstring displayname;
 299         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 300
 301         /* can only use an SCM handle here */
 302
 303         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 304                 return WERR_BADFID;
 305
 306         rpcstr_pull(service, q_u->servicename.buffer, sizeof(service), q_u->servicename.uni_str_len*2, 0);
 307
 308         /* need a tdb lookup here or something */
 309
 310         fstrcpy( displayname, "FIX ME!" );
 311
 312         init_svcctl_r_get_display_name( r_u, displayname );
 313
 314         return WERR_OK;
 315 }
 316
 317 /********************************************************************
 318 ********************************************************************/
 319
 320 WERROR _svcctl_query_status(pipes_struct *p, SVCCTL_Q_QUERY_STATUS *q_u, SVCCTL_R_QUERY_STATUS *r_u)
 321 {
 322         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 323
 324         /* perform access checks */
 325
 326         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 327                 return WERR_BADFID;
 328
 329         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 330                 return WERR_ACCESS_DENIED;
 331
 332         /* try the service specific status call */
 333
 334         if ( info->ops )
 335                 return info->ops->service_status( &r_u->svc_status );
 336
 337         /* default action for now */
 338
 339         r_u->svc_status.type = 0x0020;
 340         r_u->svc_status.state = 0x0004;
 341         r_u->svc_status.controls_accepted = 0x0005;
 342
 343         return WERR_OK;
 344 }
 345
 346
 347 /*********************************************************************
 348  TODO - for internal services, do similar to external services, except
 349  we have to call the right status routine...
 350 **********************************************************************/
 351
 352 static WERROR enum_internal_services(TALLOC_CTX *ctx,ENUM_SERVICES_STATUS **svc_ptr, int existing_services, uint32 *added)
 353 {
 354         int num_services = 2;
 355         int i = 0;
 356         ENUM_SERVICES_STATUS *services=NULL;
 357
 358         if (!svc_ptr || !(*svc_ptr))
 359                 return WERR_NOMEM;
 360
 361         services = *svc_ptr;
 362
 363         if ( (existing_services > 0) && svc_ptr && *svc_ptr ) {
 364                 ENUM_SERVICES_STATUS *tmp_services = NULL;
 365                 uint32 total_svc = existing_services + num_services;
 366
 367                 if ( !(tmp_services = TALLOC_REALLOC_ARRAY( ctx, services, ENUM_SERVICES_STATUS, total_svc )) )
 368                         return WERR_NOMEM;
 369
 370                 services = tmp_services;
 371                 i += existing_services;
 372         }
 373         else {
 374                 if ( !(services = TALLOC_ARRAY( ctx, ENUM_SERVICES_STATUS, num_services )) )
 375                         return WERR_NOMEM;
 376         }
 377
 378         DEBUG(8,("enum_internal_services: Creating %d services, starting index %d\n",
 379                 num_services, existing_services));
 380
 381         init_unistr( &services[i].servicename, "Spooler" );
 382         init_unistr( &services[i].displayname, "Print Spooler" );
 383
 384         services[i].status.type               = 0x110;
 385         services[i].status.controls_accepted  = 0x0;
 386         services[i].status.win32_exit_code    = 0x0;
 387         services[i].status.service_exit_code  = 0x0;
 388         services[i].status.check_point        = 0x0;
 389         services[i].status.wait_hint          = 0x0;
 390         if ( !lp_disable_spoolss() )
 391                 services[i].status.state              = SVCCTL_RUNNING;
 392         else
 393                 services[i].status.state              = SVCCTL_STOPPED;
 394
 395         i++;
 396
 397         init_unistr( &services[i].servicename, "NETLOGON" );
 398         init_unistr( &services[i].displayname, "Net Logon" );
 399
 400         services[i].status.type               = 0x20;
 401         services[i].status.controls_accepted  = 0x0;
 402         services[i].status.win32_exit_code    = 0x0;
 403         services[i].status.service_exit_code  = 0x0;
 404         services[i].status.check_point        = 0x0;
 405         services[i].status.wait_hint          = 0x0;
 406         if ( lp_servicenumber("NETLOGON") != -1 )
 407                 services[i].status.state              = SVCCTL_RUNNING;
 408         else
 409                 services[i].status.state              = SVCCTL_STOPPED;
 410
 411         *added   = num_services;
 412         *svc_ptr = services;
 413
 414         return WERR_OK;
 415 }
 416
 417 /********************************************************************
 418 ********************************************************************/
 419
 420 WERROR _svcctl_enum_services_status(pipes_struct *p, SVCCTL_Q_ENUM_SERVICES_STATUS *q_u, SVCCTL_R_ENUM_SERVICES_STATUS *r_u)
 421 {
 422         ENUM_SERVICES_STATUS *services = NULL;
 423         uint32 num_int_services, num_ext_services, total_services;
 424         int i = 0;
 425         size_t buffer_size = 0;
 426         WERROR result = WERR_OK;
 427         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 428
 429         /* perform access checks */
 430
 431         if ( !info || (info->type != SVC_HANDLE_IS_SCM) )
 432                 return WERR_BADFID;
 433
 434         if ( !(info->access_granted & SC_RIGHT_MGR_ENUMERATE_SERVICE) )
 435                 return WERR_ACCESS_DENIED;
 436
 437         num_int_services = 0;
 438         num_ext_services = 0;
 439
 440         /* num_services = str_list_count( lp_enable_svcctl() ); */
 441
 442         /* here's where we'll read the db of external services */
 443         /* _svcctl_read_LSB_data(NULL,NULL); */
 444         /* init_svcctl_db(); */
 445
 446         if ( !(services = TALLOC_ARRAY(p->mem_ctx, ENUM_SERVICES_STATUS, num_int_services+num_ext_services )) )
 447                 return WERR_NOMEM;
 448
 449         if ( W_ERROR_IS_OK(enum_internal_services(p->mem_ctx, &services, 0, &num_int_services)) )
 450                 DEBUG(8,("_svcctl_enum_services_status: Got %d internal services\n", num_int_services));
 451
 452 #if 0
 453         if ( W_ERROR_IS_OK(enum_external_services(p->mem_ctx, &services, num_int_services, &num_ext_services)) )
 454                 DEBUG(8,("_svcctl_enum_services_status: Got %d external services\n", num_ext_services));
 455 #endif
 456
 457         total_services = num_int_services + num_ext_services;
 458
 459         DEBUG(8,("_svcctl_enum_services_status: total of %d services\n", total_services ));
 460
 461         for ( i=0; i<total_services; i++ ) {
 462                 buffer_size += svcctl_sizeof_enum_services_status(&services[i]);
 463         }
 464
 465         buffer_size += buffer_size % 4;
 466
 467         if (buffer_size > q_u->buffer_size ) {
 468                 total_services = 0;
 469                 result = WERR_MORE_DATA;
 470         }
 471
 472         rpcbuf_init(&r_u->buffer, q_u->buffer_size, p->mem_ctx);
 473
 474         if ( W_ERROR_IS_OK(result) ) {
 475                 for ( i=0; i<num_int_services+num_ext_services; i++ )
 476                         svcctl_io_enum_services_status( "", &services[i], &r_u->buffer, 0 );
 477         }
 478
 479         r_u->needed      = (buffer_size > q_u->buffer_size) ? buffer_size : q_u->buffer_size;
 480         r_u->returned    = total_services;
 481
 482         if ( !(r_u->resume = TALLOC_P( p->mem_ctx, uint32 )) )
 483                 return WERR_NOMEM;
 484
 485         *r_u->resume = 0x0;
 486
 487         return result;
 488 }
 489
 490 /********************************************************************
 491 ********************************************************************/
 492
 493 WERROR _svcctl_start_service(pipes_struct *p, SVCCTL_Q_START_SERVICE *q_u, SVCCTL_R_START_SERVICE *r_u)
 494 {
 495         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 496
 497         /* perform access checks */
 498
 499         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 500                 return WERR_BADFID;
 501
 502         if ( !(info->access_granted & SC_RIGHT_SVC_START) )
 503                 return WERR_ACCESS_DENIED;
 504
 505         return info->ops->start_service();
 506 }
 507
 508 /********************************************************************
 509 ********************************************************************/
 510
 511 WERROR _svcctl_control_service(pipes_struct *p, SVCCTL_Q_CONTROL_SERVICE *q_u, SVCCTL_R_CONTROL_SERVICE *r_u)
 512 {
 513         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 514
 515         /* perform access checks */
 516         /* we only support stop so don't get complicated */
 517
 518         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 519                 return WERR_BADFID;
 520
 521         if ( q_u->control != SVCCTL_CONTROL_STOP )
 522                 return WERR_ACCESS_DENIED;
 523
 524         if ( !(info->access_granted & SC_RIGHT_SVC_STOP) )
 525                 return WERR_ACCESS_DENIED;
 526
 527         return info->ops->stop_service( &r_u->svc_status );
 528 }
 529
 530 /********************************************************************
 531 ********************************************************************/
 532
 533 WERROR _svcctl_enum_dependent_services( pipes_struct *p, SVCCTL_Q_ENUM_DEPENDENT_SERVICES *q_u, SVCCTL_R_ENUM_DEPENDENT_SERVICES *r_u )
 534 {
 535         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 536
 537         /* perform access checks */
 538
 539         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 540                 return WERR_BADFID;
 541
 542         if ( !(info->access_granted & SC_RIGHT_SVC_ENUMERATE_DEPENDENTS) )
 543                 return WERR_ACCESS_DENIED;
 544
 545         /* we have to set the outgoing buffer size to the same as the
 546            incoming buffer size (even in the case of failure */
 547
 548         rpcbuf_init( &r_u->buffer, q_u->buffer_size, p->mem_ctx );
 549
 550         r_u->needed      = q_u->buffer_size;
 551
 552         /* no dependent services...basically a stub function */
 553         r_u->returned    = 0;
 554
 555         return WERR_OK;
 556 }
 557
 558 /********************************************************************
 559 ********************************************************************/
 560
 561 WERROR _svcctl_query_service_status_ex( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_STATUSEX *q_u, SVCCTL_R_QUERY_SERVICE_STATUSEX *r_u )
 562 {
 563         SERVICE_STATUS_PROCESS ssp;
 564         POLICY_HND *handle;
 565         SERVICE_INFO *service_info;
 566         pstring     command;
 567         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 568
 569         /* perform access checks */
 570
 571         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 572                 return WERR_BADFID;
 573
 574         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_STATUS) )
 575                 return WERR_ACCESS_DENIED;
 576
 577         /* we have to set the outgoing buffer size to the same as the
 578            incoming buffer size (even in the case of failure */
 579
 580         r_u->needed      = q_u->buffer_size;
 581
 582         /* need to find the service name by the handle that is open */
 583         handle = &(q_u->handle);
 584
 585
 586         /* get rid of the easy errors */
 587
 588         if (q_u->info_level != SVC_STATUS_PROCESS_INFO) {
 589                 DEBUG(10, ("_svcctl_query_service_status_ex :  Invalid information level specified\n"));
 590                 return WERR_UNKNOWN_LEVEL;
 591         }
 592
 593         service_info = find_service_info_by_hnd(p, handle);
 594
 595         if (!service_info) {
 596                 DEBUG(10, ("_svcctl_query_service_status_ex : Can't find the service for the handle\n"));
 597                 return WERR_BADFID;
 598         }
 599
 600         if (r_u->needed < (sizeof(SERVICE_STATUS_PROCESS)+sizeof(uint32)+sizeof(uint32))) {
 601                 DEBUG(10, ("_svcctl_query_service_status_ex : buffer size of [%d] is too small.\n",r_u->needed));
 602                 return WERR_INSUFFICIENT_BUFFER;
 603         }
 604
 605         ZERO_STRUCT(ssp);
 606
 607 #if 0
 608         if (!strwicmp(service_info->servicetype,"EXTERNAL"))
 609                 ssp.type = SVCCTL_WIN32_OWN_PROC;
 610         else
 611                 ssp.type = SVCCTL_WIN32_SHARED_PROC;
 612 #endif
 613
 614         /* Get the status of the service.. */
 615
 616         memset(command, 0, sizeof(command));
 617
 618 #if 0
 619         slprintf(command, sizeof(command)-1, "%s%s%s %s", dyn_LIBDIR, SVCCTL_SCRIPT_DIR, service_info->filename, "status");
 620
 621         DEBUG(10, ("_svcctl_query_service_status_ex: status command is [%s]\n", command));
 622
 623         /* TODO  - wrap in privilege check */
 624
 625         ret = smbrun(command, &fd);
 626         DEBUGADD(10, ("returned [%d]\n", ret));
 627         close(fd);
 628         if(ret != 0)
 629                 DEBUG(10, ("_svcctl_query_service_status_ex: Command returned  [%d]\n", ret));
 630
 631         /* SET all service_stats bits here... */
 632         if (ret == 0) {
 633                 ssp.state              = SVCCTL_RUNNING;
 634                 ssp.controls_accepted  = SVCCTL_CONTROL_SHUTDOWN | SVCCTL_CONTROL_STOP;
 635         } else {
 636                 ssp.state              = SVCCTL_STOPPED;
 637                 ssp.controls_accepted  = 0;
 638         }
 639 #endif
 640
 641         return WERR_OK;
 642 }
 643
 644 /********************************************************************
 645 ********************************************************************/
 646
 647 WERROR _svcctl_query_service_config( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG *r_u )
 648 {
 649         POLICY_HND *handle;
 650         SERVICE_INFO *service_info;
 651         uint32      needed_size;
 652         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 653
 654         /* perform access checks */
 655
 656         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 657                 return WERR_BADFID;
 658
 659         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 660                 return WERR_ACCESS_DENIED;
 661
 662         /* we have to set the outgoing buffer size to the same as the
 663            incoming buffer size (even in the case of failure */
 664
 665         r_u->needed      = q_u->buffer_size;
 666
 667         /* need to find the service name by the handle that is open */
 668         handle = &(q_u->handle);
 669
 670         service_info = find_service_info_by_hnd(p, handle);
 671
 672 #if 0
 673         if (q_u->buffer_size < sizeof(Service_info)) {
 674                 /* have to report need more... */
 675                 /* TODO worst case -- should actualy calc what we need here. */
 676                 r_u->needed = sizeof(Service_info)+sizeof(pstring)*5;
 677                 DEBUG(10, ("_svcctl_query_service_config: NOT ENOUGH BUFFER ALLOCATED FOR RETURN DATA -- provided %d wanted %d\n",
 678                 q_u->buffer_size,r_u->needed));
 679
 680                 return WERR_INSUFFICIENT_BUFFER;
 681         }
 682 #endif
 683         if (!service_info) {
 684                 DEBUG(10, ("_svcctl_query_service_config : Can't find the service for the handle\n"));
 685                 return WERR_BADFID;
 686         }
 687
 688 #if 0
 689         if ( !(service_config = (SERVICE_CONFIG *)TALLOC_ZERO_P(p->mem_ctx, SERVICE_CONFIG)) )
 690                 return WERR_NOMEM;
 691 #endif
 692
 693         r_u->config.service_type       = SVCCTL_WIN32_OWN_PROC;
 694         r_u->config.start_type         = SVCCTL_DEMAND_START;
 695         r_u->config.error_control      = SVCCTL_SVC_ERROR_IGNORE;
 696         r_u->config.tag_id = 0x00000000;
 697
 698         /* Init the strings */
 699
 700         r_u->config.executablepath = TALLOC_ZERO_P(p->mem_ctx,  UNISTR2);
 701         r_u->config.loadordergroup = TALLOC_ZERO_P(p->mem_ctx,  UNISTR2);
 702         r_u->config.dependencies = TALLOC_ZERO_P(p->mem_ctx,  UNISTR2);
 703         r_u->config.startname = TALLOC_ZERO_P(p->mem_ctx,  UNISTR2);
 704         r_u->config.displayname = TALLOC_ZERO_P(p->mem_ctx,  UNISTR2);
 705
 706 #if 0
 707         pstrcpy(fullpathinfo,dyn_LIBDIR);
 708         pstrcat(fullpathinfo,SVCCTL_SCRIPT_DIR);
 709         pstrcat(fullpathinfo,service_info->filename);
 710         /* Get and calculate the size of the fields. Note that we're still building the fields in the "too-small buffer case"
 711            even though we throw it away. */
 712
 713         DEBUG(10, ("_svcctl_query_service_config: fullpath info [%s]\n",fullpathinfo));
 714         init_unistr2(r_u->config.executablepath,fullpathinfo,UNI_STR_TERMINATE);
 715         init_unistr2(r_u->config.loadordergroup,"",UNI_STR_TERMINATE);
 716         init_unistr2(r_u->config.dependencies,service_info->dependencies,UNI_STR_TERMINATE);
 717
 718         /* TODO - if someone really cares, perhaps "LocalSystem" should be changed to something else here... */
 719
 720         init_unistr2(r_u->config.startname,"LocalSystem",UNI_STR_TERMINATE);
 721         init_unistr2(r_u->config.displayname,service_info->servicename,UNI_STR_TERMINATE);
 722 #endif
 723
 724         needed_size = 0x04 + sizeof(SERVICE_CONFIG)+ 2*(
 725                       r_u->config.executablepath->uni_str_len +
 726                       r_u->config.loadordergroup->uni_str_len +
 727                       r_u->config.dependencies->uni_str_len +
 728                       r_u->config.startname->uni_str_len +
 729                       r_u->config.displayname->uni_str_len);
 730
 731         DEBUG(10, ("_svcctl_query_service_config: ****** need to have a buffer of [%d], [%d] for struct \n",needed_size,
 732                    sizeof(SERVICE_CONFIG)));
 733         DEBUG(10, ("\tsize of executable path : %d\n",r_u->config.executablepath->uni_str_len));
 734         DEBUG(10, ("\tsize of loadordergroup  : %d\n", r_u->config.loadordergroup->uni_str_len));
 735         DEBUG(10, ("\tsize of dependencies    : %d\n", r_u->config.dependencies->uni_str_len));
 736         DEBUG(10, ("\tsize of startname       : %d\n", r_u->config.startname->uni_str_len));
 737         DEBUG(10, ("\tsize of displayname     : %d\n", r_u->config.displayname->uni_str_len));
 738
 739         if (q_u->buffer_size < needed_size) {
 740                 /* have to report need more...*/
 741                 r_u->needed = needed_size;
 742                 DEBUG(10, ("_svcctl_query_service_config: ****** zeroing strings for return\n"));
 743                 memset(&r_u->config,0,sizeof(SERVICE_CONFIG));
 744                 DEBUG(10, ("_svcctl_query_service_config: Not enouh buffer provided for return -- provided %d wanted %d\n",
 745                         q_u->buffer_size,needed_size));
 746                 return WERR_INSUFFICIENT_BUFFER;
 747         }
 748
 749         return WERR_OK;
 750 }
 751
 752 /********************************************************************
 753 ********************************************************************/
 754
 755 WERROR _svcctl_query_service_config2( pipes_struct *p, SVCCTL_Q_QUERY_SERVICE_CONFIG2 *q_u, SVCCTL_R_QUERY_SERVICE_CONFIG2 *r_u )
 756 {
 757         POLICY_HND *handle;
 758         SERVICE_INFO *service_info;
 759         SERVICE_INFO *info = find_service_info_by_hnd( p, &q_u->handle );
 760
 761         /* perform access checks */
 762
 763         if ( !info || (info->type != SVC_HANDLE_IS_SERVICE) )
 764                 return WERR_BADFID;
 765
 766         if ( !(info->access_granted & SC_RIGHT_SVC_QUERY_CONFIG) )
 767                 return WERR_ACCESS_DENIED;
 768
 769         /* we have to set the outgoing buffer size to the same as the
 770            incoming buffer size (even in the case of failure */
 771
 772         r_u->needed      = q_u->buffer_size;
 773         r_u->description = NULL;
 774         r_u->returned = q_u->buffer_size;
 775         r_u->offset = 4;
 776
 777         handle = &(q_u->handle);
 778
 779         service_info = find_service_info_by_hnd(p, handle);
 780
 781         if (!service_info) {
 782                 DEBUG(10, ("_svcctl_query_service_config2 : Can't find the service for the handle\n"));
 783                 return WERR_BADFID;
 784         }
 785
 786         /*
 787            TODO - perhaps move the RPC_DATA_BLOB into the R_QUERY_SERVICE_CONFIG structure, and to the processing in here, vs
 788            in the *r_query_config2 marshalling routine...
 789         */
 790
 791 #if 0
 792         if (SERVICE_CONFIG_DESCRIPTION == q_u->info_level) {
 793                 if (service_info && service_info->shortdescription) {
 794                         /* length of the string, plus the terminator... */
 795                         string_buffer_size = strlen(service_info->shortdescription)+1;
 796                         DEBUG(10, ("_svcctl_query_service_config: copying the description [%s] length [%d]\n",
 797                         service_info->shortdescription,string_buffer_size));
 798
 799                         if (q_u->buffer_size >= ((string_buffer_size)*2+4)) {
 800                                 r_u->description = TALLOC_ZERO_P(p->mem_ctx,  UNISTR2);
 801                                 if (!r_u->description) return WERR_NOMEM;
 802                                         init_unistr2(r_u->description,service_info->shortdescription,UNI_STR_TERMINATE);
 803                         }
 804                 }
 805                 else {
 806                         string_buffer_size = 0;
 807                 }
 808                 DEBUG(10, ("_svcctl_query_service_config2: buffer needed is [%x], return buffer size is [%x]\n",
 809                         string_buffer_size,q_u->buffer_size));
 810                 if (((string_buffer_size)*2+4) > q_u->buffer_size) {
 811                         r_u->needed = (string_buffer_size+1)*2+4;
 812                         DEBUG(10, ("_svcctl_query_service_config2: INSUFFICIENT BUFFER\n"));
 813                         return WERR_INSUFFICIENT_BUFFER;
 814                 }
 815                 DEBUG(10, ("_svcctl_query_service_config2: returning ok, needed is [%x], buffer size is [%x]\n",
 816                 r_u->needed,q_u->buffer_size));
 817
 818                 return WERR_OK;
 819         }
 820 #endif
 821
 822         return WERR_ACCESS_DENIED;
 823 }