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("@OPTIONS");
 166         ldb.del("@MODULES");
 167         ldb.del("@PARTITION");
 168         ldb.del("@KLUDGEACL");
 169
 170         /* and the rest */
 171         attrs = new Array("dn");
 172         var basedn = "";
 173         var res = ldb.search("(&(|(objectclass=*)(distinguishedName=*))(!(distinguishedName=@BASEINFO)))", basedn, ldb.SCOPE_SUBTREE, attrs);
 174         var i;
 175         if (res.error != 0) {
 176                 ldb_delete(info, ldb);
 177                 return;
 178         }
 179         for (i=0;i<res.msgs.length;i++) {
 180                 ldb.del(res.msgs[i].dn);
 181         }
 182
 183         var res = ldb.search("(&(|(objectclass=*)(distinguishedName=*))(!(distinguishedName=@BASEINFO)))", basedn, ldb.SCOPE_SUBTREE, attrs);
 184         if (res.error != 0 || res.msgs.length != 0) {
 185                 ldb_delete(info, ldb);
 186                 return;
 187         }
 188         assert(res.msgs.length == 0);
 189 }
 190
 191 /*
 192   erase an ldb, removing all records
 193 */
 194 function ldb_erase_partitions(info, ldb, ldapbackend)
 195 {
 196         var rootDSE_attrs = new Array("namingContexts");
 197         var lp = loadparm_init();
 198         var j;
 199
 200         var res = ldb.search("(objectClass=*)", "", ldb.SCOPE_BASE, rootDSE_attrs);
 201         if (res.error != 0) {
 202                 info.message("rootdse search failed: " + res.errstr + "\n");
 203                 assert(res.error == 0);
 204         }
 205         assert(res.msgs.length == 1);
 206         if (typeof(res.msgs[0].namingContexts) == "undefined") {
 207                 return;
 208         }
 209         for (j=0; j<res.msgs[0].namingContexts.length; j++) {
 210                 var anything = "(|(objectclass=*)(distinguishedName=*))";
 211                 var attrs = new Array("distinguishedName");
 212                 var basedn = res.msgs[0].namingContexts[j];
 213                 var k;
 214                 var previous_remaining = 1;
 215                 var current_remaining = 0;
 216
 217                 if (ldapbackend && (basedn == info.subobj.DOMAINDN)) {
 218                         /* Only delete objects that were created by provision */
 219                         anything = "(objectcategory=*)";
 220                 }
 221
 222                 for (k=0; k < 10 && (previous_remaining != current_remaining); k++) {
 223                         /* and the rest */
 224                         var res2 = ldb.search(anything, basedn, ldb.SCOPE_SUBTREE, attrs);
 225                         var i;
 226                         if (res2.error != 0) {
 227                                 if (res2.error == 32) {
 228                                         break;
 229                                 } else {
 230                                         info.message("ldb search(2) failed: " + res2.errstr + "\n");
 231                                         continue;
 232                                 }
 233                         }
 234                         previous_remaining = current_remaining;
 235                         current_remaining = res2.msgs.length;
 236                         for (i=0;i<res2.msgs.length;i++) {
 237                                 ldb.del(res2.msgs[i].dn);
 238                         }
 239
 240                         var res3 = ldb.search(anything, basedn, ldb.SCOPE_SUBTREE, attrs);
 241                         if (res3.error != 0) {
 242                                 info.message("ldb search(3) failed: " + res3.errstr + "\n");
 243                                 continue;
 244                         }
 245                         if (res3.msgs.length != 0) {
 246                                 info.message("Failed to delete all records under " + basedn + ", " + res3.msgs.length + " records remaining\n");
 247                         }
 248                 }
 249         }
 250 }
 251
 252 function open_ldb(info, dbname, erase)
 253 {
 254         var ldb = ldb_init();
 255         ldb.session_info = info.session_info;
 256         ldb.credentials = info.credentials;
 257         ldb.filename = dbname;
 258
 259         var connect_ok = ldb.connect(dbname);
 260         if (!connect_ok) {
 261                 var lp = loadparm_init();
 262                 sys.unlink(sprintf("%s/%s", lp.get("private dir"), dbname));
 263                 connect_ok = ldb.connect(dbname);
 264                 assert(connect_ok);
 265         }
 266
 267         ldb.transaction_start();
 268
 269         if (erase) {
 270                 ldb_erase(info, ldb);
 271         }
 272         return ldb;
 273 }
 274
 275
 276 /*
 277   setup a ldb in the private dir
 278  */
 279 function setup_add_ldif(ldif, info, ldb, failok)
 280 {
 281         var lp = loadparm_init();
 282         var src = lp.get("setup directory") + "/" + ldif;
 283
 284         var data = sys.file_load(src);
 285         data = substitute_var(data, info.subobj);
 286
 287         var add_res = ldb.add(data);
 288         if (add_res.error != 0) {
 289                 info.message("ldb load failed: " + add_res.errstr + "\n");
 290                 if (!failok) {
 291                         assert(add_res.error == 0);
 292                 }
 293         }
 294         return (add_res.error == 0);
 295 }
 296
 297 function setup_modify_ldif(ldif, info, ldb, failok)
 298 {
 299         var lp = loadparm_init();
 300         var src = lp.get("setup directory") + "/" + ldif;
 301
 302         var data = sys.file_load(src);
 303         data = substitute_var(data, info.subobj);
 304
 305         var mod_res = ldb.modify(data);
 306         if (mod_res.error != 0) {
 307                 info.message("ldb load failed: " + mod_res.errstr + "\n");
 308                 if (!failok) {
 309                         assert(mod_res.error == 0);
 310                 }
 311         }
 312         return (mod_res.error == 0);
 313 }
 314
 315
 316 function setup_ldb(ldif, info, dbname)
 317 {
 318         var erase = true;
 319         var failok = false;
 320
 321         if (arguments.length >= 4) {
 322                 erase = arguments[3];
 323         }
 324         if (arguments.length == 5) {
 325                 failok = arguments[4];
 326         }
 327         var ldb = open_ldb(info, dbname, erase);
 328         if (setup_add_ldif(ldif, info, ldb, failok)) {
 329                 var commit_ok = ldb.transaction_commit();
 330                 if (!commit_ok) {
 331                         info.message("ldb commit failed: " + ldb.errstring() + "\n");
 332                         assert(commit_ok);
 333                 }
 334         }
 335 }
 336
 337 /*
 338   setup a ldb in the private dir
 339  */
 340 function setup_ldb_modify(ldif, info, ldb)
 341 {
 342         var lp = loadparm_init();
 343
 344         var src = lp.get("setup directory") + "/" + ldif;
 345
 346         var data = sys.file_load(src);
 347         data = substitute_var(data, info.subobj);
 348
 349         var mod_res = ldb.modify(data);
 350         if (mod_res.error != 0) {
 351                 info.message("ldb load failed: " + mod_res.errstr + "\n");
 352                 return (mod_res.error == 0);
 353         }
 354         return (mod_res.error == 0);
 355 }
 356
 357 /*
 358   setup a file in the private dir
 359  */
 360 function setup_file(template, message, fname, subobj)
 361 {
 362         var lp = loadparm_init();
 363         var f = fname;
 364         var src = lp.get("setup directory") + "/" + template;
 365
 366         if (! sys.stat(src)) {
 367                 message("Template file not found: %s\n",src);
 368                 assert(0);
 369         }
 370
 371         sys.unlink(f);
 372
 373         var data = sys.file_load(src);
 374         data = substitute_var(data, subobj);
 375
 376         ok = sys.file_save(f, data);
 377         if (!ok) {
 378                 message("failed to create file: " + f + "\n");
 379                 assert(ok);
 380         }
 381 }
 382
 383 function provision_default_paths(subobj)
 384 {
 385         /* subobj.DNSDOMAIN isn't available at this point */
 386         var dnsdomain = strlower(subobj.REALM);
 387         var lp = loadparm_init();
 388         var paths = new Object();
 389         paths.smbconf = lp.filename()
 390         paths.shareconf = lp.get("private dir") + "/" + "share.ldb";
 391         paths.samdb = lp.get("sam database");
 392         paths.secrets = lp.get("secrets database");
 393         paths.templates = lp.get("private dir") + "/" + "templates.ldb";
 394         paths.keytab = "secrets.keytab";
 395         paths.dns_keytab = "dns.keytab";
 396         paths.dns_keytab_abs = lp.get("private dir") + "/" + paths.dns_keytab;
 397         paths.dns = lp.get("private dir") + "/" + dnsdomain + ".zone";
 398         paths.named_conf = lp.get("private dir") + "/named.conf";
 399         paths.winsdb = "wins.ldb";
 400         paths.ldapdir = lp.get("private dir") + "/ldap";
 401
 402         paths.s4_ldapi_socket = lp.get("private dir") + "/ldapi";
 403         paths.phpldapadminconfig = lp.get("private dir") + "/phpldapadmin-config.php";
 404
 405         paths.sysvol = lp.get("sysvol", "path");
 406
 407         if (paths.sysvol == undefined) {
 408                 paths.sysvol = lp.get("lock dir") + "/sysvol";
 409         }
 410
 411         paths.netlogon = lp.get("netlogon", "path");
 412
 413         if (paths.netlogon == undefined) {
 414                 paths.netlogon = paths.sysvol + "/" + dnsdomain + "/scripts";
 415         }
 416
 417         return paths;
 418 }
 419
 420
 421 /*
 422   setup reasonable name mappings for sam names to unix names
 423 */
 424 function setup_name_mappings(info, ldb)
 425 {
 426         var lp = loadparm_init();
 427         var attrs = new Array("objectSid");
 428         var subobj = info.subobj;
 429
 430         res = ldb.search("objectSid=*", subobj.DOMAINDN, ldb.SCOPE_BASE, attrs);
 431         assert(res.error == 0);
 432         assert(res.msgs.length == 1 && res.msgs[0].objectSid != undefined);
 433         var sid = res.msgs[0].objectSid;
 434
 435         /* add some foreign sids if they are not present already */
 436         add_foreign(ldb, subobj, "S-1-5-7",  "Anonymous");
 437         add_foreign(ldb, subobj, "S-1-1-0",  "World");
 438         add_foreign(ldb, subobj, "S-1-5-2",  "Network");
 439         add_foreign(ldb, subobj, "S-1-5-18", "System");
 440         add_foreign(ldb, subobj, "S-1-5-11", "Authenticated Users");
 441
 442         /* some well known sids */
 443         setup_name_mapping(info, ldb, "S-1-5-7",  subobj.NOBODY);
 444         setup_name_mapping(info, ldb, "S-1-1-0",  subobj.NOGROUP);
 445         setup_name_mapping(info, ldb, "S-1-5-2",  subobj.NOGROUP);
 446         setup_name_mapping(info, ldb, "S-1-5-18", subobj.ROOT);
 447         setup_name_mapping(info, ldb, "S-1-5-11", subobj.USERS);
 448         setup_name_mapping(info, ldb, "S-1-5-32-544", subobj.WHEEL);
 449         setup_name_mapping(info, ldb, "S-1-5-32-545", subobj.USERS);
 450         setup_name_mapping(info, ldb, "S-1-5-32-546", subobj.NOGROUP);
 451         setup_name_mapping(info, ldb, "S-1-5-32-551", subobj.BACKUP);
 452
 453         /* and some well known domain rids */
 454         setup_name_mapping(info, ldb, sid + "-500", subobj.ROOT);
 455         setup_name_mapping(info, ldb, sid + "-518", subobj.WHEEL);
 456         setup_name_mapping(info, ldb, sid + "-519", subobj.WHEEL);
 457         setup_name_mapping(info, ldb, sid + "-512", subobj.WHEEL);
 458         setup_name_mapping(info, ldb, sid + "-513", subobj.USERS);
 459         setup_name_mapping(info, ldb, sid + "-520", subobj.WHEEL);
 460
 461         return true;
 462 }
 463
 464 function provision_fix_subobj(subobj, paths)
 465 {
 466         var ldb = ldb_init();
 467
 468         subobj.REALM       = strupper(subobj.REALM);
 469         subobj.HOSTNAME    = strlower(subobj.HOSTNAME);
 470         subobj.DOMAIN      = strupper(subobj.DOMAIN);
 471         subobj.NETBIOSNAME = strupper(subobj.HOSTNAME);
 472         subobj.DNSDOMAIN    = strlower(subobj.REALM);
 473         subobj.DNSNAME      = sprintf("%s.%s",
 474                                       strlower(subobj.HOSTNAME),
 475                                       subobj.DNSDOMAIN);
 476         var rdn_list = split(".", subobj.DNSDOMAIN);
 477         subobj.DOMAINDN     = "DC=" + join(",DC=", rdn_list);
 478         subobj.ROOTDN       = subobj.DOMAINDN;
 479         subobj.CONFIGDN     = "CN=Configuration," + subobj.ROOTDN;
 480         subobj.SCHEMADN     = "CN=Schema," + subobj.CONFIGDN;
 481
 482         subobj.MACHINEPASS_B64 = ldb.encode(subobj.MACHINEPASS);
 483         subobj.KRBTGTPASS_B64  = ldb.encode(subobj.KRBTGTPASS);
 484         subobj.ADMINPASS_B64   = ldb.encode(subobj.ADMINPASS);
 485         subobj.DNSPASS_B64     = ldb.encode(subobj.DNSPASS);
 486
 487         subobj.SAM_LDB          = "tdb://" + paths.samdb;
 488         subobj.SECRETS_KEYTAB   = paths.keytab;
 489         subobj.DNS_KEYTAB       = paths.dns_keytab;
 490         subobj.DNS_KEYTAB_ABS   = paths.dns_keytab_abs;
 491
 492         subobj.LDAPDIR = paths.ldapdir;
 493         var ldap_path_list = split("/", paths.ldapdir);
 494         subobj.LDAPI_URI = "ldapi://" + join("%2F", ldap_path_list) + "%2Fldapi";
 495
 496         var s4ldap_path_list = split("/", paths.s4_ldapi_socket);
 497         subobj.S4_LDAPI_URI = "ldapi://" + join("%2F", s4ldap_path_list);
 498
 499         subobj.LDAPMANAGERDN = "cn=Manager," + subobj.DOMAINDN;
 500
 501         subobj.NETLOGONPATH = paths.netlogon;
 502         subobj.SYSVOLPATH = paths.sysvol;
 503
 504         if (subobj.DOMAIN_CONF == undefined) {
 505                 subobj.DOMAIN_CONF = subobj.DOMAIN;
 506         }
 507         if (subobj.REALM_CONF == undefined) {
 508                 subobj.REALM_CONF = subobj.REALM;
 509         }
 510         if (strlower(subobj.SERVERROLE) != strlower("domain controller")) {
 511                 subobj.REALM = subobj.HOSTNAME;
 512                 subobj.DOMAIN = subobj.HOSTNAME;
 513         }
 514
 515         return true;
 516 }
 517
 518 function provision_become_dc(subobj, message, erase, paths, session_info)
 519 {
 520         var lp = loadparm_init();
 521         var sys = sys_init();
 522         var info = new Object();
 523
 524         var ok = provision_fix_subobj(subobj, paths);
 525         assert(ok);
 526
 527         if (subobj.BACKEND_MOD == undefined) {
 528                 subobj.BACKEND_MOD = "repl_meta_data";
 529         }
 530
 531         info.subobj = subobj;
 532         info.message = message;
 533         info.session_info = session_info;
 534
 535         message("Setting up templates into " + paths.templates + "\n");
 536         setup_ldb("provision_templates.ldif", info, paths.templates);
 537
 538         /* Also wipes the database */
 539         message("Setting up " + paths.samdb + " partitions\n");
 540         setup_ldb("provision_partitions.ldif", info, paths.samdb);
 541
 542         var samdb = open_ldb(info, paths.samdb, false);
 543
 544         message("Setting up " + paths.samdb + " attributes\n");
 545         setup_add_ldif("provision_init.ldif", info, samdb, false);
 546
 547         message("Setting up " + paths.samdb + " rootDSE\n");
 548         setup_add_ldif("provision_rootdse_add.ldif", info, samdb, false);
 549
 550         if (erase) {
 551                 message("Erasing data from partitions\n");
 552                 ldb_erase_partitions(info, samdb, undefined);
 553         }
 554
 555         message("Setting up " + paths.samdb + " indexes\n");
 556         setup_add_ldif("provision_index.ldif", info, samdb, false);
 557
 558         ok = samdb.transaction_commit();
 559         assert(ok);
 560
 561         message("Setting up " + paths.secrets + "\n");
 562         setup_ldb("secrets_init.ldif", info, paths.secrets);
 563
 564         setup_ldb("secrets.ldif", info, paths.secrets, false);
 565
 566         setup_ldb("secrets_dc.ldif", info, paths.secrets, false);
 567
 568         return true;
 569 }
 570
 571 function load_schema(subobj, message, samdb)
 572 {
 573         var lp = loadparm_init();
 574         var src = lp.get("setup directory") + "/" + "schema.ldif";
 575
 576         if (! sys.stat(src)) {
 577                 message("Template file not found: %s\n",src);
 578                 assert(0);
 579         }
 580
 581         var schema_data = sys.file_load(src);
 582
 583         src = lp.get("setup directory") + "/" + "schema_samba4.ldif";
 584
 585         if (! sys.stat(src)) {
 586                 message("Template file not found: %s\n",src);
 587                 assert(0);
 588         }
 589
 590         schema_data = schema_data + sys.file_load(src);
 591
 592         schema_data = substitute_var(schema_data, subobj);
 593
 594         src = lp.get("setup directory") + "/" + "provision_schema_basedn_modify.ldif";
 595
 596         if (! sys.stat(src)) {
 597                 message("Template file not found: %s\n",src);
 598                 assert(0);
 599         }
 600
 601         var head_data = sys.file_load(src);
 602         head_data = substitute_var(head_data, subobj);
 603
 604         var ok = samdb.attach_dsdb_schema_from_ldif(head_data, schema_data);
 605         return ok;
 606 }
 607
 608
 609 /*
 610   provision samba4 - caution, this wipes all existing data!
 611 */
 612 function provision(subobj, message, blank, paths, session_info, credentials, ldapbackend)
 613 {
 614         var lp = loadparm_init();
 615         var sys = sys_init();
 616         var info = new Object();
 617         random_init(local);
 618
 619         var ok = provision_fix_subobj(subobj, paths);
 620         assert(ok);
 621
 622         if (strlower(subobj.SERVERROLE) == strlower("domain controller")) {
 623                 if (subobj.BACKEND_MOD == undefined) {
 624                         subobj.BACKEND_MOD = "repl_meta_data";
 625                 }
 626         } else {
 627                 if (subobj.BACKEND_MOD == undefined) {
 628                         subobj.BACKEND_MOD = "objectguid";
 629                 }
 630         }
 631
 632         if (subobj.DOMAINGUID != undefined) {
 633                 subobj.DOMAINGUID_MOD = sprintf("replace: objectGUID\nobjectGUID: %s\n-", subobj.DOMAINGUID);
 634         } else {
 635                 subobj.DOMAINGUID_MOD = "";
 636         }
 637
 638         if (subobj.HOSTGUID != undefined) {
 639                 subobj.HOSTGUID_ADD = sprintf("objectGUID: %s", subobj.HOSTGUID);
 640         } else {
 641                 subobj.HOSTGUID_ADD = "";
 642         }
 643
 644         info.subobj = subobj;
 645         info.message = message;
 646         info.credentials = credentials;
 647         info.session_info = session_info;
 648
 649         /* only install a new smb.conf if there isn't one there already */
 650         var st = sys.stat(paths.smbconf);
 651         if (st == undefined) {
 652                 var smbconfsuffix;
 653                 if (strlower(subobj.SERVERROLE) == strlower("domain controller")) {
 654                         smbconfsuffix = "dc";
 655                 } else if (strlower(subobj.SERVERROLE) == strlower("member server")) {
 656                         smbconfsuffix = "member";
 657                 } else {
 658                         smbconfsuffix = subobj.SERVERROLE;
 659                 }
 660                 message("Setting up " + paths.smbconf +"\n");
 661                 setup_file("provision.smb.conf." + smbconfsuffix, info.message, paths.smbconf, subobj);
 662                 lp.reload();
 663         }
 664         /* only install a new shares config db if there is none */
 665         st = sys.stat(paths.shareconf);
 666         if (st == undefined) {
 667                 message("Setting up share.ldb\n");
 668                 setup_ldb("share.ldif", info, paths.shareconf);
 669         }
 670
 671         message("Setting up " + paths.secrets + "\n");
 672         setup_ldb("secrets_init.ldif", info, paths.secrets);
 673         setup_ldb("secrets.ldif", info, paths.secrets, false);
 674
 675         message("Setting up the registry\n");
 676         var reg = reg_open();
 677         reg.apply_patchfile(lp.get("setup directory") + "/provision.reg")
 678
 679         message("Setting up templates into " + paths.templates + "\n");
 680         setup_ldb("provision_templates.ldif", info, paths.templates);
 681
 682         message("Setting up sam.ldb partitions\n");
 683         /* Also wipes the database */
 684         setup_ldb("provision_partitions.ldif", info, paths.samdb);
 685
 686         var samdb = open_ldb(info, paths.samdb, false);
 687
 688         message("Setting up sam.ldb attributes\n");
 689         setup_add_ldif("provision_init.ldif", info, samdb, false);
 690
 691         message("Setting up sam.ldb rootDSE\n");
 692         setup_add_ldif("provision_rootdse_add.ldif", info, samdb, false);
 693
 694         message("Erasing data from partitions\n");
 695         ldb_erase_partitions(info, samdb, ldapbackend);
 696
 697         // (hack) Reload, now we have the partitions and rootdse loaded.
 698         var commit_ok = samdb.transaction_commit();
 699         if (!commit_ok) {
 700                 info.message("samdb commit failed: " + samdb.errstring() + "\n");
 701                 assert(commit_ok);
 702         }
 703         samdb.close();
 704
 705         message("Pre-loading the Samba4 and AD schema\n");
 706
 707         samdb = open_ldb(info, paths.samdb, false);
 708
 709         samdb.set_domain_sid(subobj.DOMAINSID);
 710
 711         if (strlower(subobj.SERVERROLE) == strlower("domain controller")) {
 712                 if (subobj.INVOCATIONID == undefined) {
 713                         subobj.INVOCATIONID = randguid();
 714                 }
 715                 samdb.set_ntds_invocationId(subobj.INVOCATIONID);
 716                 if (subobj.BACKEND_MOD == undefined) {
 717                         subobj.BACKEND_MOD = "repl_meta_data";
 718                 }
 719         } else {
 720                 if (subobj.BACKEND_MOD == undefined) {
 721                         subobj.BACKEND_MOD = "objectguid";
 722                 }
 723         }
 724
 725         var load_schema_ok = load_schema(subobj, message, samdb);
 726         assert(load_schema_ok.is_ok);
 727
 728         message("Adding DomainDN: " + subobj.DOMAINDN + " (permitted to fail)\n");
 729         var add_ok = setup_add_ldif("provision_basedn.ldif", info, samdb, true);
 730         message("Modifying DomainDN: " + subobj.DOMAINDN + "\n");
 731         var modify_basedn_ok = setup_ldb_modify("provision_basedn_modify.ldif", info, samdb);
 732         if (!modify_basedn_ok) {
 733                 if (!add_ok) {
 734                         message("%s", "Failed to both add and modify " + subobj.DOMAINDN + " in target " + subobj.DOMAINDN_LDB + ": " + samdb.errstring() + "\n");
 735                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 736                 };
 737                 assert(modify_basedn_ok);
 738         };
 739
 740         message("Adding configuration container (permitted to fail)\n");
 741         var add_config_ok = setup_add_ldif("provision_configuration_basedn.ldif", info, samdb, true);
 742         message("Modifying configuration container\n");
 743         var modify_config_ok = setup_ldb_modify("provision_configuration_basedn_modify.ldif", info, samdb);
 744         if (!modify_config_ok) {
 745                 if (!add_config_ok) {
 746                         message("%s", "Failed to both add and modify " + subobj.CONFIGDN + " in target " + subobj.CONFIGDN_LDB + ": " + samdb.errstring() + "\n");
 747                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 748                 }
 749                 assert(modify_config_ok);
 750         }
 751
 752         message("Adding schema container (permitted to fail)\n");
 753         var add_schema_ok = setup_add_ldif("provision_schema_basedn.ldif", info, samdb, true);
 754         message("Modifying schema container\n");
 755         var modify_schema_ok = setup_ldb_modify("provision_schema_basedn_modify.ldif", info, samdb);
 756         if (!modify_schema_ok) {
 757                 if (!add_schema_ok) {
 758                         message("%s", "Failed to both add and modify " + subobj.SCHEMADN + " in target " + subobj.SCHEMADN_LDB + ": " + samdb.errstring() + "\n");
 759                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 760                 }
 761                 message("Failed to modify the schema container: " + samdb.errstring() + "\n");
 762                 assert(modify_schema_ok);
 763         }
 764
 765         message("Setting up sam.ldb Samba4 schema\n");
 766         setup_add_ldif("schema_samba4.ldif", info, samdb, false);
 767         message("Setting up sam.ldb AD schema\n");
 768         setup_add_ldif("schema.ldif", info, samdb, false);
 769
 770         message("Setting up sam.ldb configuration data\n");
 771         setup_add_ldif("provision_configuration.ldif", info, samdb, false);
 772
 773         message("Setting up display specifiers\n");
 774         setup_add_ldif("display_specifiers.ldif", info, samdb, false);
 775
 776         message("Adding users container (permitted to fail)\n");
 777         var add_users_ok = setup_add_ldif("provision_users_add.ldif", info, samdb, true);
 778         message("Modifying users container\n");
 779         var modify_users_ok = setup_ldb_modify("provision_users_modify.ldif", info, samdb);
 780         if (!modify_users_ok) {
 781                 if (!add_users_ok) {
 782                         message("Failed to both add and modify the users container\n");
 783                 }
 784                 assert(modify_users_ok);
 785         }
 786         message("Adding computers container (permitted to fail)\n");
 787         var add_computers_ok = setup_add_ldif("provision_computers_add.ldif", info, samdb, true);
 788         message("Modifying computers container\n");
 789         var modify_computers_ok = setup_ldb_modify("provision_computers_modify.ldif", info, samdb);
 790         if (!modify_computers_ok) {
 791                 if (!add_computers_ok) {
 792                         message("Failed to both add and modify the computers container\n");
 793                 }
 794                 assert(modify_computers_ok);
 795         }
 796
 797         message("Setting up sam.ldb data\n");
 798         setup_add_ldif("provision.ldif", info, samdb, false);
 799
 800         if (blank != false) {
 801                 message("Setting up sam.ldb index\n");
 802                 setup_add_ldif("provision_index.ldif", info, samdb, false);
 803
 804                 message("Setting up sam.ldb rootDSE marking as syncronized\n");
 805                 setup_modify_ldif("provision_rootdse_modify.ldif", info, samdb, false);
 806
 807                 var commit_ok = samdb.transaction_commit();
 808                 if (!commit_ok) {
 809                         info.message("ldb commit failed: " + samdb.errstring() + "\n");
 810                         assert(commit_ok);
 811                 }
 812                 return true;
 813         }
 814
 815 //      message("Activate schema module");
 816 //      setup_modify_ldif("schema_activation.ldif", info, samdb, false);
 817 //
 818 //      // (hack) Reload, now we have the schema loaded.
 819 //      var commit_ok = samdb.transaction_commit();
 820 //      if (!commit_ok) {
 821 //              info.message("samdb commit failed: " + samdb.errstring() + "\n");
 822 //              assert(commit_ok);
 823 //      }
 824 //      samdb.close();
 825 //
 826 //      samdb = open_ldb(info, paths.samdb, false);
 827 //
 828         message("Setting up sam.ldb users and groups\n");
 829         setup_add_ldif("provision_users.ldif", info, samdb, false);
 830
 831         if (strlower(subobj.SERVERROLE) == strlower("domain controller")) {
 832                 message("Setting up self join\n");
 833                 setup_add_ldif("provision_self_join.ldif", info, samdb, false);
 834                 setup_add_ldif("provision_group_policy.ldif", info, samdb, false);
 835
 836                 sys.mkdir(paths.sysvol, 0755);
 837                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN, 0755);
 838                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies", 0755);
 839                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies/{" + subobj.POLICYGUID + "}", 0755);
 840                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies/{" + subobj.POLICYGUID + "}/Machine", 0755);
 841                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies/{" + subobj.POLICYGUID + "}/User", 0755);
 842
 843                 sys.mkdir(paths.netlogon, 0755);
 844
 845                 setup_ldb("secrets_dc.ldif", info, paths.secrets, false);
 846
 847         }
 848
 849         if (setup_name_mappings(info, samdb) == false) {
 850                 return false;
 851         }
 852
 853         message("Setting up sam.ldb index\n");
 854         setup_add_ldif("provision_index.ldif", info, samdb, false);
 855
 856         message("Setting up sam.ldb rootDSE marking as syncronized\n");
 857         setup_modify_ldif("provision_rootdse_modify.ldif", info, samdb, false);
 858
 859         var commit_ok = samdb.transaction_commit();
 860         if (!commit_ok) {
 861                 info.message("samdb commit failed: " + samdb.errstring() + "\n");
 862                 assert(commit_ok);
 863         }
 864
 865         message("Setting up phpLDAPadmin configuration\n");
 866         setup_file("phpldapadmin-config.php", info.message, paths.phpldapadminconfig, subobj);
 867         message("Please install the phpLDAPadmin configuration located at " + paths.phpldapadminconfig + " into /etc/phpldapadmin/config.php\n");
 868
 869         return true;
 870 }
 871
 872 /*
 873   provision just the schema into a temporary ldb, so we can run ad2oLschema on it
 874 */
 875 function provision_schema(subobj, message, tmp_schema_path, paths)
 876 {
 877         var lp = loadparm_init();
 878         var sys = sys_init();
 879         var info = new Object();
 880
 881         var ok = provision_fix_subobj(subobj, paths);
 882         assert(ok);
 883
 884         info.subobj = subobj;
 885         info.message = message;
 886
 887         message("Setting up sam.ldb partitions\n");
 888
 889         /* This will erase anything in the tmp db */
 890         var samdb = open_ldb(info, tmp_schema_path, true);
 891
 892         message("Setting up sam.ldb attributes\n");
 893         setup_add_ldif("provision_init.ldif", info, samdb, false);
 894
 895         message("Setting up sam.ldb rootDSE\n");
 896         setup_add_ldif("provision_rootdse_add.ldif", info, samdb, false);
 897
 898         message("Adding schema container (permitted to fail)\n");
 899         var add_ok = setup_add_ldif("provision_schema_basedn.ldif", info, samdb, true);
 900         message("Modifying schema container\n");
 901         var modify_ok = setup_ldb_modify("provision_schema_basedn_modify.ldif", info, samdb);
 902         if (!modify_ok) {
 903                 if (!add_ok) {
 904                         message("Failed to both add and modify schema dn: " + samdb.errstring() + "\n");
 905                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 906                         assert(modify_ok);
 907                 }
 908                 message("Failed to modify the schema container: " + samdb.errstring() + "\n");
 909                 assert(modify_ok);
 910         }
 911
 912         message("Setting up sam.ldb Samba4 schema\n");
 913         setup_add_ldif("schema_samba4.ldif", info, samdb, false);
 914         message("Setting up sam.ldb AD schema\n");
 915         setup_add_ldif("schema.ldif", info, samdb, false);
 916
 917         var commit_ok = samdb.transaction_commit();
 918         if (!commit_ok) {
 919                 info.message("samdb commit failed: " + samdb.errstring() + "\n");
 920                 assert(commit_ok);
 921         }
 922         samdb.close();
 923 }
 924
 925 /* Write out a DNS zone file, from the info in the current database */
 926 function provision_dns(subobj, message, paths, session_info, credentials)
 927 {
 928         var lp = loadparm_init();
 929         if (strlower(subobj.SERVERROLE) != strlower("domain controller")) {
 930                 message("No DNS zone required for role %s\n", subobj.SERVERROLE);
 931                 return;
 932         }
 933         message("Setting up DNS zone: " + subobj.DNSDOMAIN + " \n");
 934         var ldb = ldb_init();
 935         ldb.session_info = session_info;
 936         ldb.credentials = credentials;
 937
 938         /* connect to the sam */
 939         var ok = ldb.connect(paths.samdb);
 940         assert(ok);
 941
 942         /* These values may have changed, due to an incoming SamSync,
 943            or may not have been specified, so fetch them from the database */
 944
 945         var attrs = new Array("objectGUID");
 946         res = ldb.search("objectGUID=*", subobj.DOMAINDN, ldb.SCOPE_BASE, attrs);
 947         assert(res.error == 0);
 948         assert(res.msgs.length == 1);
 949         assert(res.msgs[0].objectGUID != undefined);
 950         subobj.DOMAINGUID = res.msgs[0].objectGUID;
 951
 952         subobj.HOSTGUID = searchone(ldb, subobj.DOMAINDN, "(&(objectClass=computer)(cn=" + subobj.NETBIOSNAME + "))", "objectGUID");
 953         assert(subobj.HOSTGUID != undefined);
 954
 955         setup_file("provision.zone",
 956                    message, paths.dns,
 957                    subobj);
 958
 959         setup_file("named.conf",
 960                    message, paths.named_conf,
 961                    subobj);
 962
 963         message("Please install the zone located in " + paths.dns + " into your DNS server.  A sample BIND configuration snippit is at " + paths.named_conf + "\n");
 964 }
 965
 966
 967 /*
 968   guess reasonably default options for provisioning
 969 */
 970 function provision_guess()
 971 {
 972         var subobj = new Object();
 973         var nss = nss_init();
 974         var lp = loadparm_init();
 975         var rdn_list;
 976         random_init(local);
 977
 978         subobj.SERVERROLE   = strlower(lp.get("server role"));
 979         subobj.REALM        = strupper(lp.get("realm"));
 980         subobj.DOMAIN       = lp.get("workgroup");
 981         subobj.HOSTNAME     = hostname();
 982
 983         assert(subobj.REALM);
 984         assert(subobj.DOMAIN);
 985         assert(subobj.HOSTNAME);
 986
 987         subobj.VERSION      = version();
 988         subobj.HOSTIP       = hostip();
 989         subobj.DOMAINSID    = randsid();
 990         subobj.POLICYGUID   = randguid();
 991         subobj.KRBTGTPASS   = randpass(12);
 992         subobj.MACHINEPASS  = randpass(12);
 993         subobj.DNSPASS  = randpass(12);
 994         subobj.ADMINPASS    = randpass(12);
 995         subobj.LDAPMANAGERPASS     = randpass(12);
 996         subobj.DEFAULTSITE  = "Default-First-Site-Name";
 997         subobj.DATESTRING   = datestring;
 998         subobj.ROOT         = findnss(nss.getpwnam, "root");
 999         subobj.NOBODY       = findnss(nss.getpwnam, "nobody");
1000         subobj.NOGROUP      = findnss(nss.getgrnam, "nogroup", "nobody");
1001         subobj.WHEEL        = findnss(nss.getgrnam, "wheel", "root", "staff", "adm");
1002         subobj.BACKUP       = findnss(nss.getgrnam, "backup", "wheel", "root", "staff");
1003         subobj.USERS        = findnss(nss.getgrnam, "users", "guest", "other", "unknown", "usr");
1004
1005         //Add modules to the list to activate them by default
1006         //beware often order is important
1007         //
1008         // Some Known ordering constraints:
1009         // - rootdse must be first, as it makes redirects from "" -> cn=rootdse
1010         // - objectclass must be before password_hash, because password_hash checks
1011         //   that the objectclass is of type person (filled in by the objectclass
1012         //   module when expanding the objectclass list)
1013         // - partition must be last
1014         // - each partition has its own module list then
1015         var modules_list     = new Array("rootdse",
1016                                          "paged_results",
1017                                          "ranged_results",
1018                                          "anr",
1019                                          "server_sort",
1020                                          "extended_dn",
1021                                          "asq",
1022                                          "samldb",
1023                                          "rdn_name",
1024                                          "objectclass",
1025                                          "kludge_acl",
1026                                          "operational");
1027         var tdb_modules_list = new Array("subtree_rename",
1028                                          "subtree_delete",
1029                                          "linked_attributes");
1030         var modules_list2    = new Array("show_deleted",
1031                                          "partition");
1032         subobj.MODULES_LIST = join(",", modules_list);
1033         subobj.TDB_MODULES_LIST = "," + join(",", tdb_modules_list);
1034         subobj.MODULES_LIST2 = join(",", modules_list2);
1035         subobj.DOMAINDN_LDB = "users.ldb";
1036         subobj.CONFIGDN_LDB = "configuration.ldb";
1037         subobj.SCHEMADN_LDB = "schema.ldb";
1038         subobj.DOMAINDN_MOD = "pdc_fsmo,password_hash,instancetype";
1039         subobj.CONFIGDN_MOD = "naming_fsmo,instancetype";
1040         subobj.SCHEMADN_MOD = "schema_fsmo,instancetype";
1041
1042         subobj.ACI              = "# no aci for local ldb";
1043
1044         return subobj;
1045 }
1046
1047 /*
1048   search for one attribute as a string
1049  */
1050 function searchone(ldb, basedn, expression, attribute)
1051 {
1052         var attrs = new Array(attribute);
1053         res = ldb.search(expression, basedn, ldb.SCOPE_SUBTREE, attrs);
1054         if (res.error != 0 ||
1055             res.msgs.length != 1 ||
1056             res.msgs[0][attribute] == undefined) {
1057                 return undefined;
1058         }
1059         return res.msgs[0][attribute];
1060 }
1061
1062 /*
1063   modify an account to remove the
1064 */
1065 function enable_account(ldb, user_dn)
1066 {
1067         var attrs = new Array("userAccountControl");
1068         var res = ldb.search(NULL, user_dn, ldb.SCOPE_ONELEVEL, attrs);
1069         assert(res.error == 0);
1070         assert(res.msgs.length == 1);
1071         var userAccountControl = res.msgs[0].userAccountControl;
1072         userAccountControl = userAccountControl - 2; /* remove disabled bit */
1073         var mod = sprintf("
1074 dn: %s
1075 changetype: modify
1076 replace: userAccountControl
1077 userAccountControl: %u
1078 ",
1079                           user_dn, userAccountControl);
1080         var ok = ldb.modify(mod);
1081         return (ok.error == 0);
1082 }
1083
1084
1085 /*
1086   add a new user record
1087 */
1088 function newuser(username, unixname, password, message, session_info, credentials)
1089 {
1090         var lp = loadparm_init();
1091         var samdb = lp.get("sam database");
1092         var ldb = ldb_init();
1093         random_init(local);
1094         ldb.session_info = session_info;
1095         ldb.credentials = credentials;
1096
1097         /* connect to the sam */
1098         var ok = ldb.connect(samdb);
1099         assert(ok);
1100
1101         ldb.transaction_start();
1102
1103         /* find the DNs for the domain and the domain users group */
1104         var attrs = new Array("defaultNamingContext");
1105         res = ldb.search("defaultNamingContext=*", "", ldb.SCOPE_BASE, attrs);
1106         assert(res.error == 0);
1107         assert(res.msgs.length == 1 && res.msgs[0].defaultNamingContext != undefined);
1108         var domain_dn = res.msgs[0].defaultNamingContext;
1109         assert(domain_dn != undefined);
1110         var dom_users = searchone(ldb, domain_dn, "name=Domain Users", "dn");
1111         assert(dom_users != undefined);
1112
1113         var user_dn = sprintf("CN=%s,CN=Users,%s", username, domain_dn);
1114
1115
1116         /*
1117           the new user record. note the reliance on the samdb module to fill
1118           in a sid, guid etc
1119         */
1120         var ldif = sprintf("
1121 dn: %s
1122 sAMAccountName: %s
1123 unixName: %s
1124 sambaPassword: %s
1125 objectClass: user
1126 ",
1127                            user_dn, username,
1128                            unixname, password);
1129         /*
1130           add the user to the users group as well
1131         */
1132         var modgroup = sprintf("
1133 dn: %s
1134 changetype: modify
1135 add: member
1136 member: %s
1137 ",
1138                                dom_users, user_dn);
1139
1140
1141         /*
1142           now the real work
1143         */
1144         message("Adding user %s\n", user_dn);
1145         ok = ldb.add(ldif);
1146         if (ok.error != 0) {
1147                 message("Failed to add %s - %s\n", user_dn, ok.errstr);
1148                 return false;
1149         }
1150
1151         message("Modifying group %s\n", dom_users);
1152         ok = ldb.modify(modgroup);
1153         if (ok.error != 0) {
1154                 message("Failed to modify %s - %s\n", dom_users, ok.errstr);
1155                 return false;
1156         }
1157
1158         /*
1159           modify the userAccountControl to remove the disabled bit
1160         */
1161         ok = enable_account(ldb, user_dn);
1162         if (ok) {
1163                 ldb.transaction_commit();
1164         }
1165         return ok;
1166 }
1167
1168 // Check whether a name is valid as a NetBIOS name.
1169 // FIXME: There are probably more constraints here.
1170 // crh has a paragraph on this in his book (1.4.1.1)
1171 function valid_netbios_name(name)
1172 {
1173         if (strlen(name) > 13) return false;
1174         return true;
1175 }
1176
1177 function provision_validate(subobj, message)
1178 {
1179         var lp = loadparm_init();
1180
1181         if (!valid_netbios_name(subobj.DOMAIN)) {
1182                 message("Invalid NetBIOS name for domain\n");
1183                 return false;
1184         }
1185
1186         if (!valid_netbios_name(subobj.NETBIOSNAME)) {
1187                 message("Invalid NetBIOS name for host\n");
1188                 return false;
1189         }
1190
1191
1192         if (strupper(lp.get("workgroup")) != strupper(subobj.DOMAIN_CONF)) {
1193                 message("workgroup '%s' in smb.conf must match chosen domain '%s'\n",
1194                         lp.get("workgroup"), subobj.DOMAIN_CONF);
1195                 return false;
1196         }
1197
1198         if (strupper(lp.get("realm")) != strupper(subobj.REALM_CONF)) {
1199                 message("realm '%s' in smb.conf must match chosen realm '%s'\n",
1200                         lp.get("realm"), subobj.REALM_CONF);
1201                 return false;
1202         }
1203
1204         if (strlower(lp.get("server role")) != strlower(subobj.SERVERROLE)) {
1205                 message("server role '%s' in smb.conf must match chosen role '%s'\n",
1206                         lp.get("server role"), subobj.SERVERROLE);
1207                 return false;
1208         }
1209
1210         return true;
1211 }
1212
1213 function join_domain(domain, netbios_name, join_type, creds, message)
1214 {
1215         var ctx = NetContext(creds);
1216         var joindom = new Object();
1217         joindom.domain = domain;
1218         joindom.join_type = join_type;
1219         joindom.netbios_name = netbios_name;
1220         if (!ctx.JoinDomain(joindom)) {
1221                 message("Domain Join failed: " + joindom.error_string);
1222                 return false;
1223         }
1224         return true;
1225 }
1226
1227 /* Vampire a remote domain.  Session info and credentials are required for for
1228  * access to our local database (might be remote ldap)
1229  */
1230
1231 function vampire(domain, session_info, credentials, message) {
1232         var ctx = NetContext(credentials);
1233         var vampire_ctx = new Object();
1234         var machine_creds = credentials_init();
1235         machine_creds.set_domain(form.DOMAIN);
1236         if (!machine_creds.set_machine_account()) {
1237                 message("Failed to access domain join information!");
1238                 return false;
1239         }
1240         vampire_ctx.machine_creds = machine_creds;
1241         vampire_ctx.session_info = session_info;
1242         if (!ctx.SamSyncLdb(vampire_ctx)) {
1243                 message("Migration of remote domain to Samba failed: " + vampire_ctx.error_string);
1244                 return false;
1245         }
1246
1247         return true;
1248 }
1249
1250 return 0;