source3/services/services_db.c

   1 /*
   2  *  Unix SMB/CIFS implementation.
   3  *  Service Control API Implementation
   4  *
   5  *  Copyright (C) Marcin Krzysztof Porwit         2005.
   6  *  Largely Rewritten by:
   7  *  Copyright (C) Gerald (Jerry) Carter           2005.
   8  *
   9  *  This program is free software; you can redistribute it and/or modify
  10  *  it under the terms of the GNU General Public License as published by
  11  *  the Free Software Foundation; either version 3 of the License, or
  12  *  (at your option) any later version.
  13  *
  14  *  This program is distributed in the hope that it will be useful,
  15  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  16  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  17  *  GNU General Public License for more details.
  18  *
  19  *  You should have received a copy of the GNU General Public License
  20  *  along with this program; if not, see <http://www.gnu.org/licenses/>.
  21  */
  22
  23 #include "includes.h"
  24
  25 struct rcinit_file_information {
  26         char *description;
  27 };
  28
  29 struct service_display_info {
  30         const char *servicename;
  31         const char *daemon;
  32         const char *dispname;
  33         const char *description;
  34 };
  35
  36 struct service_display_info builtin_svcs[] = {
  37   { "Spooler",        "smbd",   "Print Spooler", "Internal service for spooling files to print devices" },
  38   { "NETLOGON",       "smbd",   "Net Logon", "File service providing access to policy and profile data (not remotely manageable)" },
  39   { "RemoteRegistry", "smbd",   "Remote Registry Service", "Internal service providing remote access to "
  40                                 "the Samba registry" },
  41   { "WINS",           "nmbd",   "Windows Internet Name Service (WINS)", "Internal service providing a "
  42                                 "NetBIOS point-to-point name server (not remotely manageable)" },
  43   { NULL, NULL, NULL, NULL }
  44 };
  45
  46 struct service_display_info common_unix_svcs[] = {
  47   { "cups",          NULL, "Common Unix Printing System","Provides unified printing support for all operating systems" },
  48   { "postfix",       NULL, "Internet Mail Service",     "Provides support for sending and receiving electonic mail" },
  49   { "sendmail",      NULL, "Internet Mail Service",     "Provides support for sending and receiving electonic mail" },
  50   { "portmap",       NULL, "TCP Port to RPC PortMapper",NULL },
  51   { "xinetd",        NULL, "Internet Meta-Daemon",      NULL },
  52   { "inet",          NULL, "Internet Meta-Daemon",      NULL },
  53   { "xntpd",         NULL, "Network Time Service",      NULL },
  54   { "ntpd",          NULL, "Network Time Service",      NULL },
  55   { "lpd",           NULL, "BSD Print Spooler",         NULL },
  56   { "nfsserver",     NULL, "Network File Service",      NULL },
  57   { "cron",          NULL, "Scheduling Service",        NULL },
  58   { "at",            NULL, "Scheduling Service",        NULL },
  59   { "nscd",          NULL, "Name Service Cache Daemon", NULL },
  60   { "slapd",         NULL, "LDAP Directory Service",    NULL },
  61   { "ldap",          NULL, "LDAP DIrectory Service",    NULL },
  62   { "ypbind",        NULL, "NIS Directory Service",     NULL },
  63   { "courier-imap",  NULL, "IMAP4 Mail Service",        NULL },
  64   { "courier-pop3",  NULL, "POP3 Mail Service",         NULL },
  65   { "named",         NULL, "Domain Name Service",       NULL },
  66   { "bind",          NULL, "Domain Name Service",       NULL },
  67   { "httpd",         NULL, "HTTP Server",               NULL },
  68   { "apache",        NULL, "HTTP Server",               "Provides s highly scalable and flexible web server "
  69                                                         "capable of implementing various protocols incluing "
  70                                                         "but not limited to HTTP" },
  71   { "autofs",        NULL, "Automounter",               NULL },
  72   { "squid",         NULL, "Web Cache Proxy ",          NULL },
  73   { "perfcountd",    NULL, "Performance Monitoring Daemon", NULL },
  74   { "pgsql",         NULL, "PgSQL Database Server",     "Provides service for SQL database from Postgresql.org" },
  75   { "arpwatch",      NULL, "ARP Tables watcher",        "Provides service for monitoring ARP tables for changes" },
  76   { "dhcpd",         NULL, "DHCP Server",               "Provides service for dynamic host configuration and IP assignment" },
  77   { "nwserv",        NULL, "NetWare Server Emulator",   "Provides service for emulating Novell NetWare 3.12 server" },
  78   { "proftpd",       NULL, "Professional FTP Server",   "Provides high configurable service for FTP connection and "
  79                                                         "file transferring" },
  80   { "ssh2",          NULL, "SSH Secure Shell",          "Provides service for secure connection for remote administration" },
  81   { "sshd",          NULL, "SSH Secure Shell",          "Provides service for secure connection for remote administration" },
  82   { NULL, NULL, NULL, NULL }
  83 };
  84
  85
  86 /********************************************************************
  87 ********************************************************************/
  88
  89 static SEC_DESC* construct_service_sd( TALLOC_CTX *ctx )
  90 {
  91         SEC_ACE ace[4];
  92         size_t i = 0;
  93         SEC_DESC *sd = NULL;
  94         SEC_ACL *theacl = NULL;
  95         size_t sd_size;
  96
  97         /* basic access for Everyone */
  98
  99         init_sec_ace(&ace[i++], &global_sid_World,
 100                 SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_READ_ACCESS, 0);
 101
 102         init_sec_ace(&ace[i++], &global_sid_Builtin_Power_Users,
 103                         SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_EXECUTE_ACCESS, 0);
 104
 105         init_sec_ace(&ace[i++], &global_sid_Builtin_Server_Operators,
 106                 SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_ALL_ACCESS, 0);
 107         init_sec_ace(&ace[i++], &global_sid_Builtin_Administrators,
 108                 SEC_ACE_TYPE_ACCESS_ALLOWED, SERVICE_ALL_ACCESS, 0);
 109
 110         /* create the security descriptor */
 111
 112         if ( !(theacl = make_sec_acl(ctx, NT4_ACL_REVISION, i, ace)) )
 113                 return NULL;
 114
 115         if ( !(sd = make_sec_desc(ctx, SECURITY_DESCRIPTOR_REVISION_1,
 116                                   SEC_DESC_SELF_RELATIVE, NULL, NULL, NULL,
 117                                   theacl, &sd_size)) )
 118                 return NULL;
 119
 120         return sd;
 121 }
 122
 123 /********************************************************************
 124  This is where we do the dirty work of filling in things like the
 125  Display name, Description, etc...
 126 ********************************************************************/
 127
 128 static char *get_common_service_dispname( const char *servicename )
 129 {
 130         int i;
 131
 132         for ( i=0; common_unix_svcs[i].servicename; i++ ) {
 133                 if (strequal(servicename, common_unix_svcs[i].servicename)) {
 134                         char *dispname;
 135                         if (asprintf(&dispname,
 136                                 "%s (%s)",
 137                                 common_unix_svcs[i].dispname,
 138                                 common_unix_svcs[i].servicename) < 0) {
 139                                 return NULL;
 140                         }
 141                         return dispname;
 142                 }
 143         }
 144
 145         return SMB_STRDUP(servicename );
 146 }
 147
 148 /********************************************************************
 149 ********************************************************************/
 150
 151 static char *cleanup_string( const char *string )
 152 {
 153         char *clean = NULL;
 154         char *begin, *end;
 155         TALLOC_CTX *ctx = talloc_tos();
 156
 157         clean = talloc_strdup(ctx, string);
 158         if (!clean) {
 159                 return NULL;
 160         }
 161         begin = clean;
 162
 163         /* trim any beginning whilespace */
 164
 165         while (isspace(*begin)) {
 166                 begin++;
 167         }
 168
 169         if (*begin == '\0') {
 170                 return NULL;
 171         }
 172
 173         /* trim any trailing whitespace or carriage returns.
 174            Start at the end and move backwards */
 175
 176         end = begin + strlen(begin) - 1;
 177
 178         while ( isspace(*end) || *end=='\n' || *end=='\r' ) {
 179                 *end = '\0';
 180                 end--;
 181         }
 182
 183         return begin;
 184 }
 185
 186 /********************************************************************
 187 ********************************************************************/
 188
 189 static bool read_init_file( const char *servicename, struct rcinit_file_information **service_info )
 190 {
 191         struct rcinit_file_information *info = NULL;
 192         char *filepath = NULL;
 193         char str[1024];
 194         XFILE *f = NULL;
 195         char *p = NULL;
 196
 197         if ( !(info = TALLOC_ZERO_P( NULL, struct rcinit_file_information ) ) )
 198                 return False;
 199
 200         /* attempt the file open */
 201
 202         filepath = talloc_asprintf(info, "%s/%s/%s", get_dyn_MODULESDIR(),
 203                                 SVCCTL_SCRIPT_DIR, servicename);
 204         if (!filepath) {
 205                 TALLOC_FREE(info);
 206                 return false;
 207         }
 208         if (!(f = x_fopen( filepath, O_RDONLY, 0 ))) {
 209                 DEBUG(0,("read_init_file: failed to open [%s]\n", filepath));
 210                 TALLOC_FREE(info);
 211                 return false;
 212         }
 213
 214         while ( (x_fgets( str, sizeof(str)-1, f )) != NULL ) {
 215                 /* ignore everything that is not a full line
 216                    comment starting with a '#' */
 217
 218                 if ( str[0] != '#' )
 219                         continue;
 220
 221                 /* Look for a line like '^#.*Description:' */
 222
 223                 if ( (p = strstr( str, "Description:" )) != NULL ) {
 224                         char *desc;
 225
 226                         p += strlen( "Description:" ) + 1;
 227                         if ( !p )
 228                                 break;
 229
 230                         if ( (desc = cleanup_string(p)) != NULL )
 231                                 info->description = talloc_strdup( info, desc );
 232                 }
 233         }
 234
 235         x_fclose( f );
 236
 237         if ( !info->description )
 238                 info->description = talloc_strdup( info, "External Unix Service" );
 239
 240         *service_info = info;
 241         TALLOC_FREE(filepath);
 242
 243         return True;
 244 }
 245
 246 /********************************************************************
 247  This is where we do the dirty work of filling in things like the
 248  Display name, Description, etc...
 249 ********************************************************************/
 250
 251 static void fill_service_values(const char *name, struct regval_ctr *values)
 252 {
 253         char *dname, *ipath, *description;
 254         uint32 dword;
 255         int i;
 256
 257         /* These values are hardcoded in all QueryServiceConfig() replies.
 258            I'm just storing them here for cosmetic purposes */
 259
 260         dword = SVCCTL_AUTO_START;
 261         regval_ctr_addvalue( values, "Start", REG_DWORD, (char*)&dword, sizeof(uint32));
 262
 263         dword = SERVICE_TYPE_WIN32_OWN_PROCESS;
 264         regval_ctr_addvalue( values, "Type", REG_DWORD, (char*)&dword, sizeof(uint32));
 265
 266         dword = SVCCTL_SVC_ERROR_NORMAL;
 267         regval_ctr_addvalue( values, "ErrorControl", REG_DWORD, (char*)&dword, sizeof(uint32));
 268
 269         /* everything runs as LocalSystem */
 270
 271         regval_ctr_addvalue_sz(values, "ObjectName", "LocalSystem");
 272
 273         /* special considerations for internal services and the DisplayName value */
 274
 275         for ( i=0; builtin_svcs[i].servicename; i++ ) {
 276                 if ( strequal( name, builtin_svcs[i].servicename ) ) {
 277                         ipath = talloc_asprintf(talloc_tos(), "%s/%s/%s",
 278                                         get_dyn_MODULESDIR(), SVCCTL_SCRIPT_DIR,
 279                                         builtin_svcs[i].daemon);
 280                         description = talloc_strdup(talloc_tos(), builtin_svcs[i].description);
 281                         dname = talloc_strdup(talloc_tos(), builtin_svcs[i].dispname);
 282                         break;
 283                 }
 284         }
 285
 286         /* default to an external service if we haven't found a match */
 287
 288         if ( builtin_svcs[i].servicename == NULL ) {
 289                 char *dispname = NULL;
 290                 struct rcinit_file_information *init_info = NULL;
 291
 292                 ipath = talloc_asprintf(talloc_tos(), "%s/%s/%s",
 293                                         get_dyn_MODULESDIR(), SVCCTL_SCRIPT_DIR,
 294                                         name);
 295
 296                 /* lookup common unix display names */
 297                 dispname = get_common_service_dispname(name);
 298                 dname = talloc_strdup(talloc_tos(), dispname ? dispname : "");
 299                 SAFE_FREE(dispname);
 300
 301                 /* get info from init file itself */
 302                 if ( read_init_file( name, &init_info ) ) {
 303                         description = talloc_strdup(talloc_tos(), init_info->description);
 304                         TALLOC_FREE( init_info );
 305                 }
 306                 else {
 307                         description = talloc_strdup(talloc_tos(), "External Unix Service");
 308                 }
 309         }
 310
 311         /* add the new values */
 312
 313         regval_ctr_addvalue_sz(values, "DisplayName", dname);
 314         regval_ctr_addvalue_sz(values, "ImagePath", ipath);
 315         regval_ctr_addvalue_sz(values, "Description", description);
 316
 317         TALLOC_FREE(dname);
 318         TALLOC_FREE(ipath);
 319         TALLOC_FREE(description);
 320
 321         return;
 322 }
 323
 324 /********************************************************************
 325 ********************************************************************/
 326
 327 static void add_new_svc_name(struct registry_key_handle *key_parent,
 328                              struct regsubkey_ctr *subkeys,
 329                              const char *name )
 330 {
 331         struct registry_key_handle *key_service = NULL, *key_secdesc = NULL;
 332         WERROR wresult;
 333         char *path = NULL;
 334         struct regval_ctr *values = NULL;
 335         struct regsubkey_ctr *svc_subkeys = NULL;
 336         SEC_DESC *sd = NULL;
 337         DATA_BLOB sd_blob;
 338         NTSTATUS status;
 339
 340         /* add to the list and create the subkey path */
 341
 342         regsubkey_ctr_addkey( subkeys, name );
 343         store_reg_keys( key_parent, subkeys );
 344
 345         /* open the new service key */
 346
 347         if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
 348                 return;
 349         }
 350         wresult = regkey_open_internal( NULL, &key_service, path,
 351                                         get_root_nt_token(), REG_KEY_ALL );
 352         if ( !W_ERROR_IS_OK(wresult) ) {
 353                 DEBUG(0,("add_new_svc_name: key lookup failed! [%s] (%s)\n",
 354                         path, win_errstr(wresult)));
 355                 SAFE_FREE(path);
 356                 return;
 357         }
 358         SAFE_FREE(path);
 359
 360         /* add the 'Security' key */
 361
 362         wresult = regsubkey_ctr_init(key_service, &svc_subkeys);
 363         if (!W_ERROR_IS_OK(wresult)) {
 364                 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
 365                 TALLOC_FREE( key_service );
 366                 return;
 367         }
 368
 369         fetch_reg_keys( key_service, svc_subkeys );
 370         regsubkey_ctr_addkey( svc_subkeys, "Security" );
 371         store_reg_keys( key_service, svc_subkeys );
 372
 373         /* now for the service values */
 374
 375         if ( !(values = TALLOC_ZERO_P( key_service, struct regval_ctr )) ) {
 376                 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
 377                 TALLOC_FREE( key_service );
 378                 return;
 379         }
 380
 381         fill_service_values( name, values );
 382         store_reg_values( key_service, values );
 383
 384         /* cleanup the service key*/
 385
 386         TALLOC_FREE( key_service );
 387
 388         /* now add the security descriptor */
 389
 390         if (asprintf(&path, "%s\\%s\\%s", KEY_SERVICES, name, "Security") < 0) {
 391                 return;
 392         }
 393         wresult = regkey_open_internal( NULL, &key_secdesc, path,
 394                                         get_root_nt_token(), REG_KEY_ALL );
 395         if ( !W_ERROR_IS_OK(wresult) ) {
 396                 DEBUG(0,("add_new_svc_name: key lookup failed! [%s] (%s)\n",
 397                         path, win_errstr(wresult)));
 398                 TALLOC_FREE( key_secdesc );
 399                 SAFE_FREE(path);
 400                 return;
 401         }
 402         SAFE_FREE(path);
 403
 404         if ( !(values = TALLOC_ZERO_P( key_secdesc, struct regval_ctr )) ) {
 405                 DEBUG(0,("add_new_svc_name: talloc() failed!\n"));
 406                 TALLOC_FREE( key_secdesc );
 407                 return;
 408         }
 409
 410         if ( !(sd = construct_service_sd(key_secdesc)) ) {
 411                 DEBUG(0,("add_new_svc_name: Failed to create default sec_desc!\n"));
 412                 TALLOC_FREE( key_secdesc );
 413                 return;
 414         }
 415
 416         status = marshall_sec_desc(key_secdesc, sd, &sd_blob.data,
 417                                    &sd_blob.length);
 418         if (!NT_STATUS_IS_OK(status)) {
 419                 DEBUG(0, ("marshall_sec_desc failed: %s\n",
 420                           nt_errstr(status)));
 421                 TALLOC_FREE(key_secdesc);
 422                 return;
 423         }
 424
 425         regval_ctr_addvalue(values, "Security", REG_BINARY,
 426                             (const char *)sd_blob.data, sd_blob.length);
 427         store_reg_values( key_secdesc, values );
 428
 429         TALLOC_FREE( key_secdesc );
 430
 431         return;
 432 }
 433
 434 /********************************************************************
 435 ********************************************************************/
 436
 437 void svcctl_init_keys( void )
 438 {
 439         const char **service_list = lp_svcctl_list();
 440         int i;
 441         struct regsubkey_ctr *subkeys = NULL;
 442         struct registry_key_handle *key = NULL;
 443         WERROR wresult;
 444
 445         /* bad mojo here if the lookup failed.  Should not happen */
 446
 447         wresult = regkey_open_internal( NULL, &key, KEY_SERVICES,
 448                                         get_root_nt_token(), REG_KEY_ALL );
 449
 450         if ( !W_ERROR_IS_OK(wresult) ) {
 451                 DEBUG(0,("svcctl_init_keys: key lookup failed! (%s)\n",
 452                         win_errstr(wresult)));
 453                 return;
 454         }
 455
 456         /* lookup the available subkeys */
 457
 458         wresult = regsubkey_ctr_init(key, &subkeys);
 459         if (!W_ERROR_IS_OK(wresult)) {
 460                 DEBUG(0,("svcctl_init_keys: talloc() failed!\n"));
 461                 TALLOC_FREE( key );
 462                 return;
 463         }
 464
 465         fetch_reg_keys( key, subkeys );
 466
 467         /* the builtin services exist */
 468
 469         for ( i=0; builtin_svcs[i].servicename; i++ )
 470                 add_new_svc_name( key, subkeys, builtin_svcs[i].servicename );
 471
 472         for ( i=0; service_list && service_list[i]; i++ ) {
 473
 474                 /* only add new services */
 475                 if ( regsubkey_ctr_key_exists( subkeys, service_list[i] ) )
 476                         continue;
 477
 478                 /* Add the new service key and initialize the appropriate values */
 479
 480                 add_new_svc_name( key, subkeys, service_list[i] );
 481         }
 482
 483         TALLOC_FREE( key );
 484
 485         /* initialize the control hooks */
 486
 487         init_service_op_table();
 488
 489         return;
 490 }
 491
 492 /********************************************************************
 493  This is where we do the dirty work of filling in things like the
 494  Display name, Description, etc...Always return a default secdesc
 495  in case of any failure.
 496 ********************************************************************/
 497
 498 SEC_DESC *svcctl_get_secdesc( TALLOC_CTX *ctx, const char *name, NT_USER_TOKEN *token )
 499 {
 500         struct registry_key_handle *key = NULL;
 501         struct regval_ctr *values = NULL;
 502         struct regval_blob *val = NULL;
 503         SEC_DESC *ret_sd = NULL;
 504         char *path= NULL;
 505         WERROR wresult;
 506         NTSTATUS status;
 507
 508         /* now add the security descriptor */
 509
 510         if (asprintf(&path, "%s\\%s\\%s", KEY_SERVICES, name, "Security") < 0) {
 511                 return NULL;
 512         }
 513         wresult = regkey_open_internal( NULL, &key, path, token,
 514                                         REG_KEY_ALL );
 515         if ( !W_ERROR_IS_OK(wresult) ) {
 516                 DEBUG(0,("svcctl_get_secdesc: key lookup failed! [%s] (%s)\n",
 517                         path, win_errstr(wresult)));
 518                 goto done;
 519         }
 520
 521         if ( !(values = TALLOC_ZERO_P( key, struct regval_ctr )) ) {
 522                 DEBUG(0,("svcctl_get_secdesc: talloc() failed!\n"));
 523                 goto done;
 524         }
 525
 526         if (fetch_reg_values( key, values ) == -1) {
 527                 DEBUG(0, ("Error getting registry values\n"));
 528                 goto done;
 529         }
 530
 531         if ( !(val = regval_ctr_getvalue( values, "Security" )) ) {
 532                 goto fallback_to_default_sd;
 533         }
 534
 535         /* stream the service security descriptor */
 536
 537         status = unmarshall_sec_desc(ctx, regval_data_p(val),
 538                                      regval_size(val), &ret_sd);
 539
 540         if (NT_STATUS_IS_OK(status)) {
 541                 goto done;
 542         }
 543
 544 fallback_to_default_sd:
 545         DEBUG(6, ("svcctl_get_secdesc: constructing default secdesc for "
 546                   "service [%s]\n", name));
 547         ret_sd = construct_service_sd(ctx);
 548
 549 done:
 550         SAFE_FREE(path);
 551         TALLOC_FREE(key);
 552         return ret_sd;
 553 }
 554
 555 /********************************************************************
 556  Wrapper to make storing a Service sd easier
 557 ********************************************************************/
 558
 559 bool svcctl_set_secdesc( TALLOC_CTX *ctx, const char *name, SEC_DESC *sec_desc, NT_USER_TOKEN *token )
 560 {
 561         struct registry_key_handle *key = NULL;
 562         WERROR wresult;
 563         char *path = NULL;
 564         struct regval_ctr *values = NULL;
 565         DATA_BLOB blob;
 566         NTSTATUS status;
 567         bool ret = False;
 568
 569         /* now add the security descriptor */
 570
 571         if (asprintf(&path, "%s\\%s\\%s", KEY_SERVICES, name, "Security") < 0) {
 572                 return false;
 573         }
 574         wresult = regkey_open_internal( NULL, &key, path, token,
 575                                         REG_KEY_ALL );
 576         if ( !W_ERROR_IS_OK(wresult) ) {
 577                 DEBUG(0,("svcctl_get_secdesc: key lookup failed! [%s] (%s)\n",
 578                         path, win_errstr(wresult)));
 579                 SAFE_FREE(path);
 580                 return False;
 581         }
 582         SAFE_FREE(path);
 583
 584         if ( !(values = TALLOC_ZERO_P( key, struct regval_ctr )) ) {
 585                 DEBUG(0,("svcctl_set_secdesc: talloc() failed!\n"));
 586                 TALLOC_FREE( key );
 587                 return False;
 588         }
 589
 590         /* stream the printer security descriptor */
 591
 592         status = marshall_sec_desc(ctx, sec_desc, &blob.data, &blob.length);
 593         if (!NT_STATUS_IS_OK(status)) {
 594                 DEBUG(0,("svcctl_set_secdesc: ndr_push_struct_blob() failed!\n"));
 595                 TALLOC_FREE( key );
 596                 return False;
 597         }
 598
 599         regval_ctr_addvalue( values, "Security", REG_BINARY, (const char *)blob.data, blob.length);
 600         ret = store_reg_values( key, values );
 601
 602         /* cleanup */
 603
 604         TALLOC_FREE( key);
 605
 606         return ret;
 607 }
 608
 609 /********************************************************************
 610 ********************************************************************/
 611
 612 const char *svcctl_lookup_dispname(TALLOC_CTX *ctx, const char *name, NT_USER_TOKEN *token )
 613 {
 614         const char *display_name = NULL;
 615         struct registry_key_handle *key = NULL;
 616         struct regval_ctr *values = NULL;
 617         struct regval_blob *val = NULL;
 618         char *path = NULL;
 619         WERROR wresult;
 620         DATA_BLOB blob;
 621
 622         /* now add the security descriptor */
 623
 624         if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
 625                 return NULL;
 626         }
 627         wresult = regkey_open_internal( NULL, &key, path, token,
 628                                         REG_KEY_READ );
 629         if ( !W_ERROR_IS_OK(wresult) ) {
 630                 DEBUG(0,("svcctl_lookup_dispname: key lookup failed! [%s] (%s)\n",
 631                         path, win_errstr(wresult)));
 632                 SAFE_FREE(path);
 633                 goto fail;
 634         }
 635         SAFE_FREE(path);
 636
 637         if ( !(values = TALLOC_ZERO_P( key, struct regval_ctr )) ) {
 638                 DEBUG(0,("svcctl_lookup_dispname: talloc() failed!\n"));
 639                 TALLOC_FREE( key );
 640                 goto fail;
 641         }
 642
 643         fetch_reg_values( key, values );
 644
 645         if ( !(val = regval_ctr_getvalue( values, "DisplayName" )) )
 646                 goto fail;
 647
 648         blob = data_blob_const(regval_data_p(val), regval_size(val));
 649         pull_reg_sz(ctx, &blob, &display_name);
 650
 651         TALLOC_FREE( key );
 652
 653         return display_name;
 654
 655 fail:
 656         /* default to returning the service name */
 657         TALLOC_FREE( key );
 658         return talloc_strdup(ctx, name);
 659 }
 660
 661 /********************************************************************
 662 ********************************************************************/
 663
 664 const char *svcctl_lookup_description(TALLOC_CTX *ctx, const char *name, NT_USER_TOKEN *token )
 665 {
 666         const char *description = NULL;
 667         struct registry_key_handle *key = NULL;
 668         struct regval_ctr *values = NULL;
 669         struct regval_blob *val = NULL;
 670         char *path = NULL;
 671         WERROR wresult;
 672         DATA_BLOB blob;
 673
 674         /* now add the security descriptor */
 675
 676         if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
 677                 return NULL;
 678         }
 679         wresult = regkey_open_internal( NULL, &key, path, token,
 680                                         REG_KEY_READ );
 681         if ( !W_ERROR_IS_OK(wresult) ) {
 682                 DEBUG(0,("svcctl_lookup_description: key lookup failed! [%s] (%s)\n",
 683                         path, win_errstr(wresult)));
 684                 SAFE_FREE(path);
 685                 return NULL;
 686         }
 687         SAFE_FREE(path);
 688
 689         if ( !(values = TALLOC_ZERO_P( key, struct regval_ctr )) ) {
 690                 DEBUG(0,("svcctl_lookup_description: talloc() failed!\n"));
 691                 TALLOC_FREE( key );
 692                 return NULL;
 693         }
 694
 695         fetch_reg_values( key, values );
 696
 697         if ( !(val = regval_ctr_getvalue( values, "Description" )) ) {
 698                 TALLOC_FREE( key );
 699                 return "Unix Service";
 700         }
 701
 702         blob = data_blob_const(regval_data_p(val), regval_size(val));
 703         pull_reg_sz(ctx, &blob, &description);
 704
 705         TALLOC_FREE(key);
 706
 707         return description;
 708 }
 709
 710
 711 /********************************************************************
 712 ********************************************************************/
 713
 714 struct regval_ctr *svcctl_fetch_regvalues(const char *name, NT_USER_TOKEN *token)
 715 {
 716         struct registry_key_handle *key = NULL;
 717         struct regval_ctr *values = NULL;
 718         char *path = NULL;
 719         WERROR wresult;
 720
 721         /* now add the security descriptor */
 722
 723         if (asprintf(&path, "%s\\%s", KEY_SERVICES, name) < 0) {
 724                 return NULL;
 725         }
 726         wresult = regkey_open_internal( NULL, &key, path, token,
 727                                         REG_KEY_READ );
 728         if ( !W_ERROR_IS_OK(wresult) ) {
 729                 DEBUG(0,("svcctl_fetch_regvalues: key lookup failed! [%s] (%s)\n",
 730                         path, win_errstr(wresult)));
 731                 SAFE_FREE(path);
 732                 return NULL;
 733         }
 734         SAFE_FREE(path);
 735
 736         if ( !(values = TALLOC_ZERO_P( NULL, struct regval_ctr )) ) {
 737                 DEBUG(0,("svcctl_fetch_regvalues: talloc() failed!\n"));
 738                 TALLOC_FREE( key );
 739                 return NULL;
 740         }
 741         fetch_reg_values( key, values );
 742
 743         TALLOC_FREE( key );
 744         return values;
 745 }