source4/scripting/libjs/provision.js

   1 /*
   2         backend code for provisioning a Samba4 server
   3         Copyright Andrew Tridgell 2005
   4         Released under the GNU GPL v2 or later
   5 */
   6
   7 sys = sys_init();
   8
   9 /*
  10   return true if the current install seems to be OK
  11 */
  12 function install_ok(session_info, credentials)
  13 {
  14         var lp = loadparm_init();
  15         var ldb = ldb_init();
  16         ldb.session_info = session_info;
  17         ldb.credentials = credentials;
  18         if (lp.get("realm") == "") {
  19                 return false;
  20         }
  21         var ok = ldb.connect(lp.get("sam database"));
  22         if (!ok) {
  23                 return false;
  24         }
  25         var res = ldb.search("(cn=Administrator)");
  26         if (res.error != 0 || res.msgs.length != 1) {
  27                 return false;
  28         }
  29         return true;
  30 }
  31
  32 /*
  33   find a user or group from a list of possibilities
  34 */
  35 function findnss()
  36 {
  37         var i;
  38         assert(arguments.length >= 2);
  39         var nssfn = arguments[0];
  40         for (i=1;i<arguments.length;i++) {
  41                 if (nssfn(arguments[i]) != undefined) {
  42                         return arguments[i];
  43                 }
  44         }
  45         printf("Unable to find user/group for %s\n", arguments[1]);
  46         assert(i<arguments.length);
  47 }
  48
  49 /*
  50    add a foreign security principle
  51  */
  52 function add_foreign(ldb, subobj, sid, desc)
  53 {
  54         var add = sprintf("
  55 dn: CN=%s,CN=ForeignSecurityPrincipals,%s
  56 objectClass: top
  57 objectClass: foreignSecurityPrincipal
  58 description: %s
  59 ",
  60                           sid, subobj.DOMAINDN, desc);
  61         /* deliberately ignore errors from this, as the records may
  62            already exist */
  63         ldb.add(add);
  64 }
  65
  66
  67 /*
  68   setup a mapping between a sam name and a unix name
  69  */
  70 function setup_name_mapping(info, ldb, sid, unixname)
  71 {
  72         var attrs = new Array("dn");
  73         var res = ldb.search(sprintf("objectSid=%s", sid),
  74                              info.subobj.DOMAINDN, ldb.SCOPE_SUBTREE, attrs);
  75         if (res.error != 0 || res.msgs.length != 1) {
  76                 info.message("Failed to find record for objectSid %s\n", sid);
  77                 return false;
  78         }
  79         var mod = sprintf("
  80 dn: %s
  81 changetype: modify
  82 replace: unixName
  83 unixName: %s
  84 ",
  85                           res.msgs[0].dn, unixname);
  86         var ok = ldb.modify(mod);
  87         if (ok.error != 0) {
  88                 info.message("name mapping for %s failed - %s\n",
  89                              sid, ldb.errstring());
  90                 return false;
  91         }
  92         return true;
  93 }
  94
  95 /*
  96   return current time as a nt time string
  97 */
  98 function nttime()
  99 {
 100         return "" + sys.nttime();
 101 }
 102
 103 /*
 104   return current time as a ldap time string
 105 */
 106 function ldaptime()
 107 {
 108         return sys.ldaptime(sys.nttime());
 109 }
 110
 111 /*
 112   return a date string suitable for a dns zone serial number
 113 */
 114 function datestring()
 115 {
 116         var t = sys.ntgmtime(sys.nttime());
 117         return sprintf("%04u%02u%02u%02u",
 118                        t.tm_year+1900, t.tm_mon+1, t.tm_mday, t.tm_hour);
 119 }
 120
 121 /*
 122   return first host IP
 123 */
 124 function hostip()
 125 {
 126         var list = sys.interfaces();
 127         return list[0];
 128 }
 129
 130
 131 /*
 132   return first part of hostname
 133 */
 134 function hostname()
 135 {
 136         var s = split(".", sys.hostname());
 137         return s[0];
 138 }
 139
 140 /* the ldb is in bad shape, possibly due to being built from an
 141    incompatible previous version of the code, so delete it
 142    completely */
 143 function ldb_delete(info, ldb)
 144 {
 145         info.message("Deleting " + ldb.filename + "\n");
 146         var lp = loadparm_init();
 147         sys.unlink(sprintf("%s/%s", lp.get("private dir"), ldb.filename));
 148         ldb.transaction_cancel();
 149         ldb.close();
 150         var ok = ldb.connect(ldb.filename);
 151         ldb.transaction_start();
 152         assert(ok);
 153 }
 154
 155 /*
 156   erase an ldb, removing all records
 157 */
 158 function ldb_erase(info, ldb)
 159 {
 160         var res;
 161
 162         /* delete the specials */
 163         ldb.del("@INDEXLIST");
 164         ldb.del("@ATTRIBUTES");
 165         ldb.del("@MODULES");
 166         ldb.del("@PARTITION");
 167         ldb.del("@KLUDGEACL");
 168
 169         /* and the rest */
 170         attrs = new Array("dn");
 171         var basedn = "";
 172         var res = ldb.search("(&(|(objectclass=*)(dn=*))(!(dn=@BASEINFO)))", basedn, ldb.SCOPE_SUBTREE, attrs);
 173         var i;
 174         if (res.error != 0) {
 175                 ldb_delete(info, ldb);
 176                 return;
 177         }
 178         for (i=0;i<res.msgs.length;i++) {
 179                 ldb.del(res.msgs[i].dn);
 180         }
 181
 182         var res = ldb.search("(&(|(objectclass=*)(dn=*))(!(dn=@BASEINFO)))", basedn, ldb.SCOPE_SUBTREE, attrs);
 183         if (res.error != 0 || res.msgs.length != 0) {
 184                 ldb_delete(info, ldb);
 185                 return;
 186         }
 187         assert(res.msgs.length == 0);
 188 }
 189
 190 /*
 191   erase an ldb, removing all records
 192 */
 193 function ldb_erase_partitions(info, ldb, ldapbackend)
 194 {
 195         var rootDSE_attrs = new Array("namingContexts");
 196         var lp = loadparm_init();
 197         var j;
 198
 199         var res = ldb.search("(objectClass=*)", "", ldb.SCOPE_BASE, rootDSE_attrs);
 200         assert(res.error == 0);
 201         assert(res.msgs.length == 1);
 202         if (typeof(res.msgs[0].namingContexts) == "undefined") {
 203                 return;
 204         }
 205         for (j=0; j<res.msgs[0].namingContexts.length; j++) {
 206                 var anything = "(|(objectclass=*)(dn=*))";
 207                 var attrs = new Array("dn");
 208                 var basedn = res.msgs[0].namingContexts[j];
 209                 var k;
 210                 var previous_remaining = 1;
 211                 var current_remaining = 0;
 212
 213                 if (ldapbackend && (basedn == info.subobj.DOMAINDN)) {
 214                         /* Only delete objects that were created by provision */
 215                         anything = "(objectcategory=*)";
 216                 }
 217
 218                 for (k=0; k < 10 && (previous_remaining != current_remaining); k++) {
 219                         /* and the rest */
 220                         var res2 = ldb.search(anything, basedn, ldb.SCOPE_SUBTREE, attrs);
 221                         var i;
 222                         if (res2.error != 0) {
 223                                 info.message("ldb search failed: " + res.errstr + "\n");
 224                                 continue;
 225                         }
 226                         previous_remaining = current_remaining;
 227                         current_remaining = res2.msgs.length;
 228                         for (i=0;i<res2.msgs.length;i++) {
 229                                 ldb.del(res2.msgs[i].dn);
 230                         }
 231
 232                         var res3 = ldb.search(anything, basedn, ldb.SCOPE_SUBTREE, attrs);
 233                         if (res3.error != 0) {
 234                                 info.message("ldb search failed: " + res.errstr + "\n");
 235                                 continue;
 236                         }
 237                         if (res3.msgs.length != 0) {
 238                                 info.message("Failed to delete all records under " + basedn + ", " + res3.msgs.length + " records remaining\n");
 239                         }
 240                 }
 241         }
 242 }
 243
 244 function open_ldb(info, dbname, erase)
 245 {
 246         var ldb = ldb_init();
 247         ldb.session_info = info.session_info;
 248         ldb.credentials = info.credentials;
 249         ldb.filename = dbname;
 250
 251         var connect_ok = ldb.connect(dbname);
 252         if (!connect_ok) {
 253                 var lp = loadparm_init();
 254                 sys.unlink(sprintf("%s/%s", lp.get("private dir"), dbname));
 255                 connect_ok = ldb.connect(dbname);
 256                 assert(connect_ok);
 257         }
 258
 259         ldb.transaction_start();
 260
 261         if (erase) {
 262                 ldb_erase(info, ldb);
 263         }
 264         return ldb;
 265 }
 266
 267
 268 /*
 269   setup a ldb in the private dir
 270  */
 271 function setup_add_ldif(ldif, info, ldb, failok)
 272 {
 273         var lp = loadparm_init();
 274         var src = lp.get("setup directory") + "/" + ldif;
 275
 276         var data = sys.file_load(src);
 277         data = substitute_var(data, info.subobj);
 278
 279         var add_res = ldb.add(data);
 280         if (add_res.error != 0) {
 281                 info.message("ldb load failed: " + add_res.errstr + "\n");
 282                 if (!failok) {
 283                         assert(add_res.error == 0);
 284                 }
 285         }
 286         return (add_res.error == 0);
 287 }
 288
 289 function setup_modify_ldif(ldif, info, ldb, failok)
 290 {
 291         var lp = loadparm_init();
 292         var src = lp.get("setup directory") + "/" + ldif;
 293
 294         var data = sys.file_load(src);
 295         data = substitute_var(data, info.subobj);
 296
 297         var mod_res = ldb.modify(data);
 298         if (mod_res.error != 0) {
 299                 info.message("ldb load failed: " + mod_res.errstr + "\n");
 300                 if (!failok) {
 301                         assert(mod_res.error == 0);
 302                 }
 303         }
 304         return (mod_res.error == 0);
 305 }
 306
 307
 308 function setup_ldb(ldif, info, dbname)
 309 {
 310         var erase = true;
 311         var failok = false;
 312
 313         if (arguments.length >= 4) {
 314                 erase = arguments[3];
 315         }
 316         if (arguments.length == 5) {
 317                 failok = arguments[4];
 318         }
 319         var ldb = open_ldb(info, dbname, erase);
 320         if (setup_add_ldif(ldif, info, ldb, failok)) {
 321                 var commit_ok = ldb.transaction_commit();
 322                 if (!commit_ok) {
 323                         info.message("ldb commit failed: " + ldb.errstring() + "\n");
 324                         assert(commit_ok);
 325                 }
 326         }
 327 }
 328
 329 /*
 330   setup a ldb in the private dir
 331  */
 332 function setup_ldb_modify(ldif, info, ldb)
 333 {
 334         var lp = loadparm_init();
 335
 336         var src = lp.get("setup directory") + "/" + ldif;
 337
 338         var data = sys.file_load(src);
 339         data = substitute_var(data, info.subobj);
 340
 341         var mod_res = ldb.modify(data);
 342         if (mod_res.error != 0) {
 343                 info.message("ldb load failed: " + mod_res.errstr + "\n");
 344                 return (mod_res.error == 0);
 345         }
 346         return (mod_res.error == 0);
 347 }
 348
 349 /*
 350   setup a file in the private dir
 351  */
 352 function setup_file(template, message, fname, subobj)
 353 {
 354         var lp = loadparm_init();
 355         var f = fname;
 356         var src = lp.get("setup directory") + "/" + template;
 357
 358         if (! sys.stat(src)) {
 359                 message("Template file not found: %s\n",src);
 360                 assert(0);
 361         }
 362
 363         sys.unlink(f);
 364
 365         var data = sys.file_load(src);
 366         data = substitute_var(data, subobj);
 367
 368         ok = sys.file_save(f, data);
 369         if (!ok) {
 370                 message("failed to create file: " + f + "\n");
 371                 assert(ok);
 372         }
 373 }
 374
 375 function provision_default_paths(subobj)
 376 {
 377         /* subobj.DNSDOMAIN isn't available at this point */
 378         var dnsdomain = strlower(subobj.REALM);
 379         var lp = loadparm_init();
 380         var paths = new Object();
 381         paths.smbconf = lp.get("config file");
 382         paths.shareconf = lp.get("private dir") + "/" + "share.ldb";
 383         paths.samdb = lp.get("sam database");
 384         paths.secrets = lp.get("secrets database");
 385         paths.keytab = "secrets.keytab";
 386         paths.dns_keytab = "dns.keytab";
 387         paths.dns_keytab_abs = lp.get("private dir") + "/" + paths.dns_keytab;
 388         paths.dns = lp.get("private dir") + "/" + dnsdomain + ".zone";
 389         paths.named_conf = lp.get("private dir") + "/named.conf";
 390         paths.winsdb = "wins.ldb";
 391         paths.ldapdir = lp.get("private dir") + "/ldap";
 392         paths.ldap_basedn_ldif = paths.ldapdir + "/" + dnsdomain + ".ldif";
 393         paths.ldap_config_basedn_ldif = paths.ldapdir + "/" + dnsdomain + "-config.ldif";
 394         paths.ldap_schema_basedn_ldif = paths.ldapdir + "/" + dnsdomain + "-schema.ldif";
 395
 396         paths.sysvol = lp.get("sysvol", "path");
 397
 398         if (paths.sysvol == undefined) {
 399                 paths.sysvol = lp.get("lock dir") + "/sysvol";
 400         }
 401
 402         paths.netlogon = lp.get("netlogon", "path");
 403
 404         if (paths.netlogon == undefined) {
 405                 paths.netlogon = paths.sysvol + "/" + dnsdomain + "/scripts";
 406         }
 407
 408         return paths;
 409 }
 410
 411
 412 /*
 413   setup reasonable name mappings for sam names to unix names
 414 */
 415 function setup_name_mappings(info, ldb)
 416 {
 417         var lp = loadparm_init();
 418         var attrs = new Array("objectSid");
 419         var subobj = info.subobj;
 420
 421         res = ldb.search("objectSid=*", subobj.DOMAINDN, ldb.SCOPE_BASE, attrs);
 422         assert(res.error == 0);
 423         assert(res.msgs.length == 1 && res.msgs[0].objectSid != undefined);
 424         var sid = res.msgs[0].objectSid;
 425
 426         /* add some foreign sids if they are not present already */
 427         add_foreign(ldb, subobj, "S-1-5-7",  "Anonymous");
 428         add_foreign(ldb, subobj, "S-1-1-0",  "World");
 429         add_foreign(ldb, subobj, "S-1-5-2",  "Network");
 430         add_foreign(ldb, subobj, "S-1-5-18", "System");
 431         add_foreign(ldb, subobj, "S-1-5-11", "Authenticated Users");
 432
 433         /* some well known sids */
 434         setup_name_mapping(info, ldb, "S-1-5-7",  subobj.NOBODY);
 435         setup_name_mapping(info, ldb, "S-1-1-0",  subobj.NOGROUP);
 436         setup_name_mapping(info, ldb, "S-1-5-2",  subobj.NOGROUP);
 437         setup_name_mapping(info, ldb, "S-1-5-18", subobj.ROOT);
 438         setup_name_mapping(info, ldb, "S-1-5-11", subobj.USERS);
 439         setup_name_mapping(info, ldb, "S-1-5-32-544", subobj.WHEEL);
 440         setup_name_mapping(info, ldb, "S-1-5-32-545", subobj.USERS);
 441         setup_name_mapping(info, ldb, "S-1-5-32-546", subobj.NOGROUP);
 442         setup_name_mapping(info, ldb, "S-1-5-32-551", subobj.BACKUP);
 443
 444         /* and some well known domain rids */
 445         setup_name_mapping(info, ldb, sid + "-500", subobj.ROOT);
 446         setup_name_mapping(info, ldb, sid + "-518", subobj.WHEEL);
 447         setup_name_mapping(info, ldb, sid + "-519", subobj.WHEEL);
 448         setup_name_mapping(info, ldb, sid + "-512", subobj.WHEEL);
 449         setup_name_mapping(info, ldb, sid + "-513", subobj.USERS);
 450         setup_name_mapping(info, ldb, sid + "-520", subobj.WHEEL);
 451
 452         return true;
 453 }
 454
 455 function provision_fix_subobj(subobj, paths)
 456 {
 457         var ldb = ldb_init();
 458
 459         subobj.REALM       = strupper(subobj.REALM);
 460         subobj.HOSTNAME    = strlower(subobj.HOSTNAME);
 461         subobj.DOMAIN      = strupper(subobj.DOMAIN);
 462         assert(valid_netbios_name(subobj.DOMAIN));
 463         subobj.NETBIOSNAME = strupper(subobj.HOSTNAME);
 464         assert(valid_netbios_name(subobj.NETBIOSNAME));
 465         subobj.DNSDOMAIN    = strlower(subobj.REALM);
 466         subobj.DNSNAME      = sprintf("%s.%s",
 467                                       strlower(subobj.HOSTNAME),
 468                                       subobj.DNSDOMAIN);
 469         var rdn_list = split(".", subobj.DNSDOMAIN);
 470         subobj.DOMAINDN     = "DC=" + join(",DC=", rdn_list);
 471         subobj.ROOTDN       = subobj.DOMAINDN;
 472         subobj.CONFIGDN     = "CN=Configuration," + subobj.ROOTDN;
 473         subobj.SCHEMADN     = "CN=Schema," + subobj.CONFIGDN;
 474
 475         subobj.MACHINEPASS_B64 = ldb.encode(subobj.MACHINEPASS);
 476         subobj.KRBTGTPASS_B64  = ldb.encode(subobj.KRBTGTPASS);
 477         subobj.ADMINPASS_B64   = ldb.encode(subobj.ADMINPASS);
 478         subobj.DNSPASS_B64     = ldb.encode(subobj.DNSPASS);
 479
 480         var rdns = split(",", subobj.DOMAINDN);
 481         subobj.RDN_DC = substr(rdns[0], strlen("DC="));
 482
 483         subobj.SAM_LDB          = "tdb://" + paths.samdb;
 484         subobj.SECRETS_KEYTAB   = paths.keytab;
 485         subobj.DNS_KEYTAB       = paths.dns_keytab;
 486         subobj.DNS_KEYTAB_ABS   = paths.dns_keytab_abs;
 487
 488         subobj.LDAPDIR = paths.ldapdir;
 489         var ldap_path_list = split("/", paths.ldapdir);
 490         subobj.LDAPI_URI = "ldapi://" + join("%2F", ldap_path_list) + "%2Fldapi";
 491
 492         subobj.LDAPMANAGERDN = "cn=Manager," + subobj.DOMAINDN;
 493
 494         subobj.NETLOGONPATH = paths.netlogon;
 495         subobj.SYSVOLPATH = paths.sysvol;
 496
 497         if (subobj.DOMAIN_CONF == undefined) {
 498                 subobj.DOMAIN_CONF = subobj.DOMAIN;
 499         }
 500         if (subobj.REALM_CONF == undefined) {
 501                 subobj.REALM_CONF = subobj.REALM;
 502         }
 503         if (subobj.SERVERROLE != "domain controller") {
 504                 subobj.REALM = subobj.HOSTNAME;
 505                 subobj.DOMAIN = subobj.HOSTNAME;
 506         }
 507
 508         return true;
 509 }
 510
 511 function provision_become_dc(subobj, message, erase, paths, session_info)
 512 {
 513         var lp = loadparm_init();
 514         var sys = sys_init();
 515         var info = new Object();
 516
 517         var ok = provision_fix_subobj(subobj, paths);
 518         assert(ok);
 519
 520         info.subobj = subobj;
 521         info.message = message;
 522         info.session_info = session_info;
 523
 524         /* Also wipes the database */
 525         message("Setting up " + paths.samdb + " partitions\n");
 526         setup_ldb("provision_partitions.ldif", info, paths.samdb);
 527
 528         var samdb = open_ldb(info, paths.samdb, false);
 529
 530         message("Setting up " + paths.samdb + " attributes\n");
 531         setup_add_ldif("provision_init.ldif", info, samdb, false);
 532
 533         message("Setting up " + paths.samdb + " rootDSE\n");
 534         setup_add_ldif("provision_rootdse_add.ldif", info, samdb, false);
 535
 536         if (erase) {
 537                 message("Erasing data from partitions\n");
 538                 ldb_erase_partitions(info, samdb, undefined);
 539         }
 540
 541         message("Setting up " + paths.samdb + " indexes\n");
 542         setup_add_ldif("provision_index.ldif", info, samdb, false);
 543
 544         message("Setting up " + paths.samdb + " templates\n");
 545         setup_add_ldif("provision_templates.ldif", info, samdb, false);
 546
 547         ok = samdb.transaction_commit();
 548         assert(ok);
 549
 550         message("Setting up " + paths.secrets + "\n");
 551         setup_ldb("secrets_init.ldif", info, paths.secrets);
 552
 553         setup_ldb("secrets.ldif", info, paths.secrets, false);
 554
 555         setup_ldb("secrets_dc.ldif", info, paths.secrets, false);
 556
 557         return true;
 558 }
 559
 560 /*
 561   provision samba4 - caution, this wipes all existing data!
 562 */
 563 function provision(subobj, message, blank, paths, session_info, credentials, ldapbackend)
 564 {
 565         var lp = loadparm_init();
 566         var sys = sys_init();
 567         var info = new Object();
 568
 569         var ok = provision_fix_subobj(subobj, paths);
 570         assert(ok);
 571
 572         if (subobj.DOMAINGUID != undefined) {
 573                 subobj.DOMAINGUID_MOD = sprintf("replace: objectGUID\nobjectGUID: %s\n-", subobj.DOMAINGUID);
 574         } else {
 575                 subobj.DOMAINGUID_MOD = "";
 576         }
 577
 578         if (subobj.HOSTGUID != undefined) {
 579                 subobj.HOSTGUID_ADD = sprintf("objectGUID: %s", subobj.HOSTGUID);
 580         } else {
 581                 subobj.HOSTGUID_ADD = "";
 582         }
 583
 584         info.subobj = subobj;
 585         info.message = message;
 586         info.credentials = credentials;
 587         info.session_info = session_info;
 588
 589         /* only install a new smb.conf if there isn't one there already */
 590         var st = sys.stat(paths.smbconf);
 591         if (st == undefined) {
 592                 var smbconfsuffix;
 593                 if (subobj.SERVERROLE == "domain controller") {
 594                         smbconfsuffix = "dc";
 595                 } else if (subobj.SERVERROLE == "member server") {
 596                         smbconfsuffix = "member";
 597                 } else {
 598                         smbconfsuffix = subobj.SERVERROLE;
 599                 }
 600                 message("Setting up " + paths.smbconf +"\n");
 601                 setup_file("provision.smb.conf." + smbconfsuffix, info.message, paths.smbconf, subobj);
 602                 lp.reload();
 603         }
 604         /* only install a new shares config db if there is none */
 605         st = sys.stat(paths.shareconf);
 606         if (st == undefined) {
 607                 message("Setting up share.ldb\n");
 608                 setup_ldb("share.ldif", info, paths.shareconf);
 609         }
 610
 611         message("Setting up " + paths.secrets + "\n");
 612         setup_ldb("secrets_init.ldif", info, paths.secrets);
 613         setup_ldb("secrets.ldif", info, paths.secrets, false);
 614
 615         message("Setting up the registry\n");
 616         var reg = reg_open();
 617         reg.apply_patchfile(lp.get("setup directory") + "/provision.reg")
 618
 619         message("Setting up sam.ldb partitions\n");
 620         /* Also wipes the database */
 621         setup_ldb("provision_partitions.ldif", info, paths.samdb);
 622
 623         var samdb = open_ldb(info, paths.samdb, false);
 624
 625         message("Setting up sam.ldb attributes\n");
 626         setup_add_ldif("provision_init.ldif", info, samdb, false);
 627
 628         message("Setting up sam.ldb rootDSE\n");
 629         setup_add_ldif("provision_rootdse_add.ldif", info, samdb, false);
 630
 631         message("Erasing data from partitions\n");
 632         ldb_erase_partitions(info, samdb, ldapbackend);
 633
 634         message("Adding DomainDN: " + subobj.DOMAINDN + " (permitted to fail)\n");
 635         var add_ok = setup_add_ldif("provision_basedn.ldif", info, samdb, true);
 636         message("Modifying DomainDN: " + subobj.DOMAINDN + "\n");
 637         var modify_ok = setup_ldb_modify("provision_basedn_modify.ldif", info, samdb);
 638         if (!modify_ok) {
 639                 if (!add_ok) {
 640                         message("%s", "Failed to both add and modify " + subobj.DOMAINDN + " in target " + subobj.DOMAINDN_LDB + ": " + samdb.errstring() + "\n");
 641                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 642                 };
 643                 assert(modify_ok);
 644         };
 645
 646         message("Adding configuration container (permitted to fail)\n");
 647         var add_ok = setup_add_ldif("provision_configuration_basedn.ldif", info, samdb, true);
 648         message("Modifying configuration container\n");
 649         var modify_ok = setup_ldb_modify("provision_configuration_basedn_modify.ldif", info, samdb);
 650         if (!modify_ok) {
 651                 if (!add_ok) {
 652                         message("%s", "Failed to both add and modify " + subobj.CONFIGDN + " in target " + subobj.CONFIGDN_LDB + ": " + samdb.errstring() + "\n");
 653                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 654                         assert(modify_ok);
 655                 }
 656                 assert(modify_ok);
 657         }
 658
 659         message("Adding schema container (permitted to fail)\n");
 660         var add_ok = setup_add_ldif("provision_schema_basedn.ldif", info, samdb, true);
 661         message("Modifying schema container\n");
 662         var modify_ok = setup_ldb_modify("provision_schema_basedn_modify.ldif", info, samdb);
 663         if (!modify_ok) {
 664                 if (!add_ok) {
 665                         message("%s", "Failed to both add and modify " + subobj.SCHEMADN + " in target " + subobj.SCHEMADN_LDB + ": " + samdb.errstring() + "\n");
 666                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 667                         assert(modify_ok);
 668                 }
 669                 message("Failed to modify the schema container: " + samdb.errstring() + "\n");
 670                 assert(modify_ok);
 671         }
 672
 673         message("Setting up sam.ldb Samba4 schema\n");
 674         setup_add_ldif("schema_samba4.ldif", info, samdb, false);
 675         message("Setting up sam.ldb AD schema\n");
 676         setup_add_ldif("schema.ldif", info, samdb, false);
 677
 678         // (hack) Reload, now we have the schema loaded.
 679         var commit_ok = samdb.transaction_commit();
 680         if (!commit_ok) {
 681                 info.message("samdb commit failed: " + samdb.errstring() + "\n");
 682                 assert(commit_ok);
 683         }
 684         samdb.close();
 685
 686         samdb = open_ldb(info, paths.samdb, false);
 687
 688         message("Setting up sam.ldb configuration data\n");
 689         setup_add_ldif("provision_configuration.ldif", info, samdb, false);
 690
 691         message("Setting up display specifiers\n");
 692         setup_add_ldif("display_specifiers.ldif", info, samdb, false);
 693         message("Setting up sam.ldb templates\n");
 694         setup_add_ldif("provision_templates.ldif", info, samdb, false);
 695
 696         message("Adding users container (permitted to fail)\n");
 697         var add_ok = setup_add_ldif("provision_users_add.ldif", info, samdb, true);
 698         message("Modifying users container\n");
 699         var modify_ok = setup_ldb_modify("provision_users_modify.ldif", info, samdb);
 700         if (!modify_ok) {
 701                 if (!add_ok) {
 702                         message("Failed to both add and modify the users container\n");
 703                         assert(modify_ok);
 704                 }
 705                 assert(modify_ok);
 706         }
 707         message("Adding computers container (permitted to fail)\n");
 708         var add_ok = setup_add_ldif("provision_computers_add.ldif", info, samdb, true);
 709         message("Modifying computers container\n");
 710         var modify_ok = setup_ldb_modify("provision_computers_modify.ldif", info, samdb);
 711         if (!modify_ok) {
 712                 if (!add_ok) {
 713                         message("Failed to both add and modify the computers container\n");
 714                         assert(modify_ok);
 715                 }
 716                 assert(modify_ok);
 717         }
 718
 719         message("Setting up sam.ldb data\n");
 720         setup_add_ldif("provision.ldif", info, samdb, false);
 721
 722         if (blank != false) {
 723                 message("Setting up sam.ldb index\n");
 724                 setup_add_ldif("provision_index.ldif", info, samdb, false);
 725
 726                 message("Setting up sam.ldb rootDSE marking as syncronized\n");
 727                 setup_modify_ldif("provision_rootdse_modify.ldif", info, samdb, false);
 728
 729                 var commit_ok = samdb.transaction_commit();
 730                 if (!commit_ok) {
 731                         info.message("ldb commit failed: " + samdb.errstring() + "\n");
 732                         assert(commit_ok);
 733                 }
 734                 return true;
 735         }
 736
 737 //      message("Activate schema module");
 738 //      setup_modify_ldif("schema_activation.ldif", info, samdb, false);
 739 //
 740 //      // (hack) Reload, now we have the schema loaded.
 741 //      var commit_ok = samdb.transaction_commit();
 742 //      if (!commit_ok) {
 743 //              info.message("samdb commit failed: " + samdb.errstring() + "\n");
 744 //              assert(commit_ok);
 745 //      }
 746 //      samdb.close();
 747 //
 748 //      samdb = open_ldb(info, paths.samdb, false);
 749 //
 750         message("Setting up sam.ldb users and groups\n");
 751         setup_add_ldif("provision_users.ldif", info, samdb, false);
 752
 753         if (subobj.SERVERROLE == "domain controller") {
 754                 message("Setting up self join\n");
 755                 setup_add_ldif("provision_self_join.ldif", info, samdb, false);
 756                 setup_add_ldif("provision_group_policy.ldif", info, samdb, false);
 757
 758                 sys.mkdir(paths.sysvol, 0755);
 759                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN, 0755);
 760                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies", 0755);
 761                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies/{" + subobj.POLICYGUID + "}", 0755);
 762                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies/{" + subobj.POLICYGUID + "}/Machine", 0755);
 763                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies/{" + subobj.POLICYGUID + "}/User", 0755);
 764
 765                 sys.mkdir(paths.netlogon, 0755);
 766
 767                 setup_ldb("secrets_dc.ldif", info, paths.secrets, false);
 768
 769         }
 770
 771         if (setup_name_mappings(info, samdb) == false) {
 772                 return false;
 773         }
 774
 775         message("Setting up sam.ldb index\n");
 776         setup_add_ldif("provision_index.ldif", info, samdb, false);
 777
 778         message("Setting up sam.ldb rootDSE marking as syncronized\n");
 779         setup_modify_ldif("provision_rootdse_modify.ldif", info, samdb, false);
 780
 781         var commit_ok = samdb.transaction_commit();
 782         if (!commit_ok) {
 783                 info.message("samdb commit failed: " + samdb.errstring() + "\n");
 784                 assert(commit_ok);
 785         }
 786
 787         return true;
 788 }
 789
 790 /*
 791   provision just the schema into a temporary ldb, so we can run ad2oLschema on it
 792 */
 793 function provision_schema(subobj, message, tmp_schema_path, paths)
 794 {
 795         var lp = loadparm_init();
 796         var sys = sys_init();
 797         var info = new Object();
 798
 799         var ok = provision_fix_subobj(subobj, paths);
 800         assert(ok);
 801
 802         info.subobj = subobj;
 803         info.message = message;
 804
 805         message("Setting up sam.ldb partitions\n");
 806
 807         /* This will erase anything in the tmp db */
 808         var samdb = open_ldb(info, tmp_schema_path, true);
 809
 810         message("Adding schema container (permitted to fail)\n");
 811         var add_ok = setup_add_ldif("provision_schema_basedn.ldif", info, samdb, true);
 812         message("Modifying schema container\n");
 813         var modify_ok = setup_ldb_modify("provision_schema_basedn_modify.ldif", info, samdb);
 814         if (!modify_ok) {
 815                 if (!add_ok) {
 816                         message("Failed to both add and modify schema dn: " + samdb.errstring() + "\n");
 817                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 818                         assert(modify_ok);
 819                 }
 820                 message("Failed to modify the schema container: " + samdb.errstring() + "\n");
 821                 assert(modify_ok);
 822         }
 823
 824         message("Setting up sam.ldb Samba4 schema\n");
 825         setup_add_ldif("schema_samba4.ldif", info, samdb, false);
 826         message("Setting up sam.ldb AD schema\n");
 827         setup_add_ldif("schema.ldif", info, samdb, false);
 828
 829         var commit_ok = samdb.transaction_commit();
 830         if (!commit_ok) {
 831                 info.message("samdb commit failed: " + samdb.errstring() + "\n");
 832                 assert(commit_ok);
 833         }
 834         samdb.close();
 835 }
 836
 837 /* Write out a DNS zone file, from the info in the current database */
 838 function provision_dns(subobj, message, paths, session_info, credentials)
 839 {
 840         var lp = loadparm_init();
 841         if (subobj.SERVERROLE != "domain controller") {
 842                 message("No DNS zone required for role %s\n", subobj.SERVERROLE);
 843                 return;
 844         }
 845         message("Setting up DNS zone: " + subobj.DNSDOMAIN + " \n");
 846         var ldb = ldb_init();
 847         ldb.session_info = session_info;
 848         ldb.credentials = credentials;
 849
 850         /* connect to the sam */
 851         var ok = ldb.connect(paths.samdb);
 852         assert(ok);
 853
 854         /* These values may have changed, due to an incoming SamSync,
 855            or may not have been specified, so fetch them from the database */
 856
 857         var attrs = new Array("objectGUID");
 858         res = ldb.search("objectGUID=*", subobj.DOMAINDN, ldb.SCOPE_BASE, attrs);
 859         assert(res.error == 0);
 860         assert(res.msgs.length == 1);
 861         assert(res.msgs[0].objectGUID != undefined);
 862         subobj.DOMAINGUID = res.msgs[0].objectGUID;
 863
 864         subobj.HOSTGUID = searchone(ldb, subobj.DOMAINDN, "(&(objectClass=computer)(cn=" + subobj.NETBIOSNAME + "))", "objectGUID");
 865         assert(subobj.HOSTGUID != undefined);
 866
 867         setup_file("provision.zone",
 868                    message, paths.dns,
 869                    subobj);
 870
 871         setup_file("named.conf",
 872                    message, paths.named_conf,
 873                    subobj);
 874
 875         message("Please install the zone located in " + paths.dns + " into your DNS server.  A sample BIND configuration snippit is at " + paths.named_conf + "\n");
 876 }
 877
 878 /* Write out a DNS zone file, from the info in the current database */
 879 function provision_ldapbase(subobj, message, paths)
 880 {
 881         var ok = provision_fix_subobj(subobj, paths);
 882         assert(ok);
 883
 884         message("Setting up LDAP base entry: " + subobj.DOMAINDN + " \n");
 885         var rdns = split(",", subobj.DOMAINDN);
 886         subobj.EXTENSIBLEOBJECT = "objectClass: extensibleObject";
 887
 888         subobj.RDN_DC = substr(rdns[0], strlen("DC="));
 889
 890         sys.mkdir(paths.ldapdir, 0700);
 891
 892         setup_file("provision_basedn.ldif",
 893                    message, paths.ldap_basedn_ldif,
 894                    subobj);
 895
 896         setup_file("provision_configuration_basedn.ldif",
 897                    message, paths.ldap_config_basedn_ldif,
 898                    subobj);
 899
 900         setup_file("provision_schema_basedn.ldif",
 901                    message, paths.ldap_schema_basedn_ldif,
 902                    subobj);
 903
 904 }
 905
 906
 907 /*
 908   guess reasonably default options for provisioning
 909 */
 910 function provision_guess()
 911 {
 912         var subobj = new Object();
 913         var nss = nss_init();
 914         var lp = loadparm_init();
 915         var rdn_list;
 916         random_init(local);
 917
 918         subobj.SERVERROLE   = strlower(lp.get("server role"));
 919         subobj.REALM        = strupper(lp.get("realm"));
 920         subobj.DOMAIN       = lp.get("workgroup");
 921         subobj.HOSTNAME     = hostname();
 922
 923         assert(subobj.REALM);
 924         assert(subobj.DOMAIN);
 925         assert(subobj.HOSTNAME);
 926
 927         subobj.VERSION      = version();
 928         subobj.HOSTIP       = hostip();
 929         subobj.DOMAINSID    = randsid();
 930         subobj.INVOCATIONID = randguid();
 931         subobj.POLICYGUID   = randguid();
 932         subobj.KRBTGTPASS   = randpass(12);
 933         subobj.MACHINEPASS  = randpass(12);
 934         subobj.DNSPASS  = randpass(12);
 935         subobj.ADMINPASS    = randpass(12);
 936         subobj.LDAPMANAGERPASS     = randpass(12);
 937         subobj.DEFAULTSITE  = "Default-First-Site-Name";
 938         subobj.NEWGUID      = randguid;
 939         subobj.NTTIME       = nttime;
 940         subobj.LDAPTIME     = ldaptime;
 941         subobj.DATESTRING   = datestring;
 942         subobj.ROOT         = findnss(nss.getpwnam, "root");
 943         subobj.NOBODY       = findnss(nss.getpwnam, "nobody");
 944         subobj.NOGROUP      = findnss(nss.getgrnam, "nogroup", "nobody");
 945         subobj.WHEEL        = findnss(nss.getgrnam, "wheel", "root", "staff", "adm");
 946         subobj.BACKUP       = findnss(nss.getgrnam, "backup", "wheel", "root", "staff");
 947         subobj.USERS        = findnss(nss.getgrnam, "users", "guest", "other", "unknown", "usr");
 948
 949         //Add modules to the list to activate them by default
 950         //beware often order is important
 951         //
 952         // Some Known ordering constraints:
 953         // - rootdse must be first, as it makes redirects from "" -> cn=rootdse
 954         // - samldb must be before password_hash, because password_hash checks
 955         //   that the objectclass is of type person (filled in by samldb)
 956         // - partition must be last
 957         // - each partition has its own module list then
 958         modules_list        = new Array("rootdse",
 959                                         "kludge_acl",
 960                                         "paged_results",
 961                                         "server_sort",
 962                                         "extended_dn",
 963                                         "asq",
 964                                         "samldb",
 965                                         "operational",
 966                                         "objectclass",
 967                                         "rdn_name",
 968                                         "show_deleted",
 969                                         "partition");
 970         subobj.MODULES_LIST = join(",", modules_list);
 971         subobj.DOMAINDN_LDB = "users.ldb";
 972         subobj.CONFIGDN_LDB = "configuration.ldb";
 973         subobj.SCHEMADN_LDB = "schema.ldb";
 974         subobj.DOMAINDN_MOD = "pdc_fsmo,password_hash";
 975         subobj.CONFIGDN_MOD = "naming_fsmo";
 976         subobj.SCHEMADN_MOD = "schema_fsmo";
 977         subobj.DOMAINDN_MOD2 = ",objectguid";
 978         subobj.CONFIGDN_MOD2 = ",objectguid";
 979         subobj.SCHEMADN_MOD2 = ",objectguid";
 980
 981         subobj.EXTENSIBLEOBJECT = "# no objectClass: extensibleObject for local ldb";
 982         subobj.ACI              = "# no aci for local ldb";
 983
 984         return subobj;
 985 }
 986
 987 /*
 988   search for one attribute as a string
 989  */
 990 function searchone(ldb, basedn, expression, attribute)
 991 {
 992         var attrs = new Array(attribute);
 993         res = ldb.search(expression, basedn, ldb.SCOPE_SUBTREE, attrs);
 994         if (res.error != 0 ||
 995             res.msgs.length != 1 ||
 996             res.msgs[0][attribute] == undefined) {
 997                 return undefined;
 998         }
 999         return res.msgs[0][attribute];
1000 }
1001
1002 /*
1003   modify an account to remove the
1004 */
1005 function enable_account(ldb, user_dn)
1006 {
1007         var attrs = new Array("userAccountControl");
1008         var res = ldb.search(NULL, user_dn, ldb.SCOPE_ONELEVEL, attrs);
1009         assert(res.error == 0);
1010         assert(res.msgs.length == 1);
1011         var userAccountControl = res.msgs[0].userAccountControl;
1012         userAccountControl = userAccountControl - 2; /* remove disabled bit */
1013         var mod = sprintf("
1014 dn: %s
1015 changetype: modify
1016 replace: userAccountControl
1017 userAccountControl: %u
1018 ",
1019                           user_dn, userAccountControl);
1020         var ok = ldb.modify(mod);
1021         return (ok.error == 0);
1022 }
1023
1024
1025 /*
1026   add a new user record
1027 */
1028 function newuser(username, unixname, password, message, session_info, credentials)
1029 {
1030         var lp = loadparm_init();
1031         var samdb = lp.get("sam database");
1032         var ldb = ldb_init();
1033         random_init(local);
1034         ldb.session_info = session_info;
1035         ldb.credentials = credentials;
1036
1037         /* connect to the sam */
1038         var ok = ldb.connect(samdb);
1039         assert(ok);
1040
1041         ldb.transaction_start();
1042
1043         /* find the DNs for the domain and the domain users group */
1044         var attrs = new Array("defaultNamingContext");
1045         res = ldb.search("defaultNamingContext=*", "", ldb.SCOPE_BASE, attrs);
1046         assert(res.error == 0);
1047         assert(res.msgs.length == 1 && res.msgs[0].defaultNamingContext != undefined);
1048         var domain_dn = res.msgs[0].defaultNamingContext;
1049         assert(domain_dn != undefined);
1050         var dom_users = searchone(ldb, domain_dn, "name=Domain Users", "dn");
1051         assert(dom_users != undefined);
1052
1053         var user_dn = sprintf("CN=%s,CN=Users,%s", username, domain_dn);
1054
1055
1056         /*
1057           the new user record. note the reliance on the samdb module to fill
1058           in a sid, guid etc
1059         */
1060         var ldif = sprintf("
1061 dn: %s
1062 sAMAccountName: %s
1063 memberOf: %s
1064 unixName: %s
1065 sambaPassword: %s
1066 objectClass: user
1067 ",
1068                            user_dn, username, dom_users,
1069                            unixname, password);
1070         /*
1071           add the user to the users group as well
1072         */
1073         var modgroup = sprintf("
1074 dn: %s
1075 changetype: modify
1076 add: member
1077 member: %s
1078 ",
1079                                dom_users, user_dn);
1080
1081
1082         /*
1083           now the real work
1084         */
1085         message("Adding user %s\n", user_dn);
1086         ok = ldb.add(ldif);
1087         if (ok.error != 0) {
1088                 message("Failed to add %s - %s\n", user_dn, ok.errstr);
1089                 return false;
1090         }
1091
1092         message("Modifying group %s\n", dom_users);
1093         ok = ldb.modify(modgroup);
1094         if (ok.error != 0) {
1095                 message("Failed to modify %s - %s\n", dom_users, ok.errstr);
1096                 return false;
1097         }
1098
1099         /*
1100           modify the userAccountControl to remove the disabled bit
1101         */
1102         ok = enable_account(ldb, user_dn);
1103         if (ok) {
1104                 ldb.transaction_commit();
1105         }
1106         return ok;
1107 }
1108
1109 // Check whether a name is valid as a NetBIOS name.
1110 // FIXME: There are probably more constraints here.
1111 // crh has a paragraph on this in his book (1.4.1.1)
1112 function valid_netbios_name(name)
1113 {
1114         if (strlen(name) > 13) return false;
1115         return true;
1116 }
1117
1118 function provision_validate(subobj, message)
1119 {
1120         var lp = loadparm_init();
1121
1122         if (!valid_netbios_name(subobj.DOMAIN)) {
1123                 message("Invalid NetBIOS name for domain\n");
1124                 return false;
1125         }
1126
1127         if (!valid_netbios_name(subobj.NETBIOSNAME)) {
1128                 message("Invalid NetBIOS name for host\n");
1129                 return false;
1130         }
1131
1132
1133         if (strupper(lp.get("workgroup")) != strupper(subobj.DOMAIN_CONF)) {
1134                 message("workgroup '%s' in smb.conf must match chosen domain '%s'\n",
1135                         lp.get("workgroup"), subobj.DOMAIN_CONF);
1136                 return false;
1137         }
1138
1139         if (strupper(lp.get("realm")) != strupper(subobj.REALM_CONF)) {
1140                 message("realm '%s' in smb.conf must match chosen realm '%s'\n",
1141                         lp.get("realm"), subobj.REALM_CONF);
1142                 return false;
1143         }
1144
1145         if (strupper(lp.get("server role")) != strupper(subobj.SERVERROLE)) {
1146                 message("server role '%s' in smb.conf must match chosen role '%s'\n",
1147                         lp.get("server role"), subobj.SERVERROLE);
1148                 return false;
1149         }
1150
1151         return true;
1152 }
1153
1154 function join_domain(domain, netbios_name, join_type, creds, message)
1155 {
1156         var ctx = NetContext(creds);
1157         var joindom = new Object();
1158         joindom.domain = domain;
1159         joindom.join_type = join_type;
1160         joindom.netbios_name = netbios_name;
1161         if (!ctx.JoinDomain(joindom)) {
1162                 message("Domain Join failed: " + joindom.error_string);
1163                 return false;
1164         }
1165         return true;
1166 }
1167
1168 /* Vampire a remote domain.  Session info and credentials are required for for
1169  * access to our local database (might be remote ldap)
1170  */
1171
1172 function vampire(domain, session_info, credentials, message) {
1173         var ctx = NetContext(credentials);
1174         var vampire_ctx = new Object();
1175         var machine_creds = credentials_init();
1176         machine_creds.set_domain(form.DOMAIN);
1177         if (!machine_creds.set_machine_account()) {
1178                 message("Failed to access domain join information!");
1179                 return false;
1180         }
1181         vampire_ctx.machine_creds = machine_creds;
1182         vampire_ctx.session_info = session_info;
1183         if (!ctx.SamSyncLdb(vampire_ctx)) {
1184                 message("Migration of remote domain to Samba failed: " + vampire_ctx.error_string);
1185                 return false;
1186         }
1187
1188         return true;
1189 }
1190
1191 return 0;