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=*)(dn=*))(!(dn=@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=*)(dn=*))(!(dn=@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         assert(res.error == 0);
 202         assert(res.msgs.length == 1);
 203         if (typeof(res.msgs[0].namingContexts) == "undefined") {
 204                 return;
 205         }
 206         for (j=0; j<res.msgs[0].namingContexts.length; j++) {
 207                 var anything = "(|(objectclass=*)(dn=*))";
 208                 var attrs = new Array("dn");
 209                 var basedn = res.msgs[0].namingContexts[j];
 210                 var k;
 211                 var previous_remaining = 1;
 212                 var current_remaining = 0;
 213
 214                 if (ldapbackend && (basedn == info.subobj.DOMAINDN)) {
 215                         /* Only delete objects that were created by provision */
 216                         anything = "(objectcategory=*)";
 217                 }
 218
 219                 for (k=0; k < 10 && (previous_remaining != current_remaining); k++) {
 220                         /* and the rest */
 221                         var res2 = ldb.search(anything, basedn, ldb.SCOPE_SUBTREE, attrs);
 222                         var i;
 223                         if (res2.error != 0) {
 224                                 info.message("ldb search failed: " + res.errstr + "\n");
 225                                 continue;
 226                         }
 227                         previous_remaining = current_remaining;
 228                         current_remaining = res2.msgs.length;
 229                         for (i=0;i<res2.msgs.length;i++) {
 230                                 ldb.del(res2.msgs[i].dn);
 231                         }
 232
 233                         var res3 = ldb.search(anything, basedn, ldb.SCOPE_SUBTREE, attrs);
 234                         if (res3.error != 0) {
 235                                 info.message("ldb search failed: " + res.errstr + "\n");
 236                                 continue;
 237                         }
 238                         if (res3.msgs.length != 0) {
 239                                 info.message("Failed to delete all records under " + basedn + ", " + res3.msgs.length + " records remaining\n");
 240                         }
 241                 }
 242         }
 243 }
 244
 245 function open_ldb(info, dbname, erase)
 246 {
 247         var ldb = ldb_init();
 248         ldb.session_info = info.session_info;
 249         ldb.credentials = info.credentials;
 250         ldb.filename = dbname;
 251
 252         var connect_ok = ldb.connect(dbname);
 253         if (!connect_ok) {
 254                 var lp = loadparm_init();
 255                 sys.unlink(sprintf("%s/%s", lp.get("private dir"), dbname));
 256                 connect_ok = ldb.connect(dbname);
 257                 assert(connect_ok);
 258         }
 259
 260         ldb.transaction_start();
 261
 262         if (erase) {
 263                 ldb_erase(info, ldb);
 264         }
 265         return ldb;
 266 }
 267
 268
 269 /*
 270   setup a ldb in the private dir
 271  */
 272 function setup_add_ldif(ldif, info, ldb, failok)
 273 {
 274         var lp = loadparm_init();
 275         var src = lp.get("setup directory") + "/" + ldif;
 276
 277         var data = sys.file_load(src);
 278         data = substitute_var(data, info.subobj);
 279
 280         var add_res = ldb.add(data);
 281         if (add_res.error != 0) {
 282                 info.message("ldb load failed: " + add_res.errstr + "\n");
 283                 if (!failok) {
 284                         assert(add_res.error == 0);
 285                 }
 286         }
 287         return (add_res.error == 0);
 288 }
 289
 290 function setup_modify_ldif(ldif, info, ldb, failok)
 291 {
 292         var lp = loadparm_init();
 293         var src = lp.get("setup directory") + "/" + ldif;
 294
 295         var data = sys.file_load(src);
 296         data = substitute_var(data, info.subobj);
 297
 298         var mod_res = ldb.modify(data);
 299         if (mod_res.error != 0) {
 300                 info.message("ldb load failed: " + mod_res.errstr + "\n");
 301                 if (!failok) {
 302                         assert(mod_res.error == 0);
 303                 }
 304         }
 305         return (mod_res.error == 0);
 306 }
 307
 308
 309 function setup_ldb(ldif, info, dbname)
 310 {
 311         var erase = true;
 312         var failok = false;
 313
 314         if (arguments.length >= 4) {
 315                 erase = arguments[3];
 316         }
 317         if (arguments.length == 5) {
 318                 failok = arguments[4];
 319         }
 320         var ldb = open_ldb(info, dbname, erase);
 321         if (setup_add_ldif(ldif, info, ldb, failok)) {
 322                 var commit_ok = ldb.transaction_commit();
 323                 if (!commit_ok) {
 324                         info.message("ldb commit failed: " + ldb.errstring() + "\n");
 325                         assert(commit_ok);
 326                 }
 327         }
 328 }
 329
 330 /*
 331   setup a ldb in the private dir
 332  */
 333 function setup_ldb_modify(ldif, info, ldb)
 334 {
 335         var lp = loadparm_init();
 336
 337         var src = lp.get("setup directory") + "/" + ldif;
 338
 339         var data = sys.file_load(src);
 340         data = substitute_var(data, info.subobj);
 341
 342         var mod_res = ldb.modify(data);
 343         if (mod_res.error != 0) {
 344                 info.message("ldb load failed: " + mod_res.errstr + "\n");
 345                 return (mod_res.error == 0);
 346         }
 347         return (mod_res.error == 0);
 348 }
 349
 350 /*
 351   setup a file in the private dir
 352  */
 353 function setup_file(template, message, fname, subobj)
 354 {
 355         var lp = loadparm_init();
 356         var f = fname;
 357         var src = lp.get("setup directory") + "/" + template;
 358
 359         if (! sys.stat(src)) {
 360                 message("Template file not found: %s\n",src);
 361                 assert(0);
 362         }
 363
 364         sys.unlink(f);
 365
 366         var data = sys.file_load(src);
 367         data = substitute_var(data, subobj);
 368
 369         ok = sys.file_save(f, data);
 370         if (!ok) {
 371                 message("failed to create file: " + f + "\n");
 372                 assert(ok);
 373         }
 374 }
 375
 376 function provision_default_paths(subobj)
 377 {
 378         /* subobj.DNSDOMAIN isn't available at this point */
 379         var dnsdomain = strlower(subobj.REALM);
 380         var lp = loadparm_init();
 381         var paths = new Object();
 382         paths.smbconf = lp.get("config file");
 383         paths.shareconf = lp.get("private dir") + "/" + "share.ldb";
 384         paths.samdb = lp.get("sam database");
 385         paths.secrets = lp.get("secrets database");
 386         paths.templates = lp.get("private dir") + "/" + "templates.ldb";
 387         paths.keytab = "secrets.keytab";
 388         paths.dns_keytab = "dns.keytab";
 389         paths.dns_keytab_abs = lp.get("private dir") + "/" + paths.dns_keytab;
 390         paths.dns = lp.get("private dir") + "/" + dnsdomain + ".zone";
 391         paths.named_conf = lp.get("private dir") + "/named.conf";
 392         paths.winsdb = "wins.ldb";
 393         paths.ldapdir = lp.get("private dir") + "/ldap";
 394         paths.ldap_basedn_ldif = paths.ldapdir + "/" + dnsdomain + ".ldif";
 395         paths.ldap_config_basedn_ldif = paths.ldapdir + "/" + dnsdomain + "-config.ldif";
 396         paths.ldap_schema_basedn_ldif = paths.ldapdir + "/" + dnsdomain + "-schema.ldif";
 397
 398         paths.s4_ldapi_socket = lp.get("private dir") + "/ldapi";
 399         paths.phpldapadminconfig = lp.get("private dir") + "/phpldapadmin-config.php";
 400
 401         paths.sysvol = lp.get("sysvol", "path");
 402
 403         if (paths.sysvol == undefined) {
 404                 paths.sysvol = lp.get("lock dir") + "/sysvol";
 405         }
 406
 407         paths.netlogon = lp.get("netlogon", "path");
 408
 409         if (paths.netlogon == undefined) {
 410                 paths.netlogon = paths.sysvol + "/" + dnsdomain + "/scripts";
 411         }
 412
 413         return paths;
 414 }
 415
 416
 417 /*
 418   setup reasonable name mappings for sam names to unix names
 419 */
 420 function setup_name_mappings(info, ldb)
 421 {
 422         var lp = loadparm_init();
 423         var attrs = new Array("objectSid");
 424         var subobj = info.subobj;
 425
 426         res = ldb.search("objectSid=*", subobj.DOMAINDN, ldb.SCOPE_BASE, attrs);
 427         assert(res.error == 0);
 428         assert(res.msgs.length == 1 && res.msgs[0].objectSid != undefined);
 429         var sid = res.msgs[0].objectSid;
 430
 431         /* add some foreign sids if they are not present already */
 432         add_foreign(ldb, subobj, "S-1-5-7",  "Anonymous");
 433         add_foreign(ldb, subobj, "S-1-1-0",  "World");
 434         add_foreign(ldb, subobj, "S-1-5-2",  "Network");
 435         add_foreign(ldb, subobj, "S-1-5-18", "System");
 436         add_foreign(ldb, subobj, "S-1-5-11", "Authenticated Users");
 437
 438         /* some well known sids */
 439         setup_name_mapping(info, ldb, "S-1-5-7",  subobj.NOBODY);
 440         setup_name_mapping(info, ldb, "S-1-1-0",  subobj.NOGROUP);
 441         setup_name_mapping(info, ldb, "S-1-5-2",  subobj.NOGROUP);
 442         setup_name_mapping(info, ldb, "S-1-5-18", subobj.ROOT);
 443         setup_name_mapping(info, ldb, "S-1-5-11", subobj.USERS);
 444         setup_name_mapping(info, ldb, "S-1-5-32-544", subobj.WHEEL);
 445         setup_name_mapping(info, ldb, "S-1-5-32-545", subobj.USERS);
 446         setup_name_mapping(info, ldb, "S-1-5-32-546", subobj.NOGROUP);
 447         setup_name_mapping(info, ldb, "S-1-5-32-551", subobj.BACKUP);
 448
 449         /* and some well known domain rids */
 450         setup_name_mapping(info, ldb, sid + "-500", subobj.ROOT);
 451         setup_name_mapping(info, ldb, sid + "-518", subobj.WHEEL);
 452         setup_name_mapping(info, ldb, sid + "-519", subobj.WHEEL);
 453         setup_name_mapping(info, ldb, sid + "-512", subobj.WHEEL);
 454         setup_name_mapping(info, ldb, sid + "-513", subobj.USERS);
 455         setup_name_mapping(info, ldb, sid + "-520", subobj.WHEEL);
 456
 457         return true;
 458 }
 459
 460 function provision_fix_subobj(subobj, paths)
 461 {
 462         var ldb = ldb_init();
 463
 464         subobj.REALM       = strupper(subobj.REALM);
 465         subobj.HOSTNAME    = strlower(subobj.HOSTNAME);
 466         subobj.DOMAIN      = strupper(subobj.DOMAIN);
 467         subobj.NETBIOSNAME = strupper(subobj.HOSTNAME);
 468         subobj.DNSDOMAIN    = strlower(subobj.REALM);
 469         subobj.DNSNAME      = sprintf("%s.%s",
 470                                       strlower(subobj.HOSTNAME),
 471                                       subobj.DNSDOMAIN);
 472         var rdn_list = split(".", subobj.DNSDOMAIN);
 473         subobj.DOMAINDN     = "DC=" + join(",DC=", rdn_list);
 474         subobj.ROOTDN       = subobj.DOMAINDN;
 475         subobj.CONFIGDN     = "CN=Configuration," + subobj.ROOTDN;
 476         subobj.SCHEMADN     = "CN=Schema," + subobj.CONFIGDN;
 477
 478         subobj.MACHINEPASS_B64 = ldb.encode(subobj.MACHINEPASS);
 479         subobj.KRBTGTPASS_B64  = ldb.encode(subobj.KRBTGTPASS);
 480         subobj.ADMINPASS_B64   = ldb.encode(subobj.ADMINPASS);
 481         subobj.DNSPASS_B64     = ldb.encode(subobj.DNSPASS);
 482
 483         var rdns = split(",", subobj.DOMAINDN);
 484         subobj.RDN_DC = substr(rdns[0], strlen("DC="));
 485
 486         subobj.SAM_LDB          = "tdb://" + paths.samdb;
 487         subobj.SECRETS_KEYTAB   = paths.keytab;
 488         subobj.DNS_KEYTAB       = paths.dns_keytab;
 489         subobj.DNS_KEYTAB_ABS   = paths.dns_keytab_abs;
 490
 491         subobj.LDAPDIR = paths.ldapdir;
 492         var ldap_path_list = split("/", paths.ldapdir);
 493         subobj.LDAPI_URI = "ldapi://" + join("%2F", ldap_path_list) + "%2Fldapi";
 494
 495         var s4ldap_path_list = split("/", paths.s4_ldapi_socket);
 496         subobj.S4_LDAPI_URI = "ldapi://" + join("%2F", s4ldap_path_list);
 497
 498         subobj.LDAPMANAGERDN = "cn=Manager," + subobj.DOMAINDN;
 499
 500         subobj.NETLOGONPATH = paths.netlogon;
 501         subobj.SYSVOLPATH = paths.sysvol;
 502
 503         if (subobj.DOMAIN_CONF == undefined) {
 504                 subobj.DOMAIN_CONF = subobj.DOMAIN;
 505         }
 506         if (subobj.REALM_CONF == undefined) {
 507                 subobj.REALM_CONF = subobj.REALM;
 508         }
 509         if (strlower(subobj.SERVERROLE) != strlower("domain controller")) {
 510                 subobj.REALM = subobj.HOSTNAME;
 511                 subobj.DOMAIN = subobj.HOSTNAME;
 512         }
 513
 514         return true;
 515 }
 516
 517 function provision_become_dc(subobj, message, erase, paths, session_info)
 518 {
 519         var lp = loadparm_init();
 520         var sys = sys_init();
 521         var info = new Object();
 522
 523         var ok = provision_fix_subobj(subobj, paths);
 524         assert(ok);
 525
 526         info.subobj = subobj;
 527         info.message = message;
 528         info.session_info = session_info;
 529
 530         message("Setting up teplates into " + paths.templates + "\n");
 531         setup_ldb("provision_templates.ldif", info, paths.templates);
 532
 533         /* Also wipes the database */
 534         message("Setting up " + paths.samdb + " partitions\n");
 535         setup_ldb("provision_partitions.ldif", info, paths.samdb);
 536
 537         var samdb = open_ldb(info, paths.samdb, false);
 538
 539         message("Setting up " + paths.samdb + " attributes\n");
 540         setup_add_ldif("provision_init.ldif", info, samdb, false);
 541
 542         message("Setting up " + paths.samdb + " rootDSE\n");
 543         setup_add_ldif("provision_rootdse_add.ldif", info, samdb, false);
 544
 545         if (erase) {
 546                 message("Erasing data from partitions\n");
 547                 ldb_erase_partitions(info, samdb, undefined);
 548         }
 549
 550         message("Setting up " + paths.samdb + " indexes\n");
 551         setup_add_ldif("provision_index.ldif", info, samdb, false);
 552
 553         ok = samdb.transaction_commit();
 554         assert(ok);
 555
 556         message("Setting up " + paths.secrets + "\n");
 557         setup_ldb("secrets_init.ldif", info, paths.secrets);
 558
 559         setup_ldb("secrets.ldif", info, paths.secrets, false);
 560
 561         setup_ldb("secrets_dc.ldif", info, paths.secrets, false);
 562
 563         return true;
 564 }
 565
 566 /*
 567   provision samba4 - caution, this wipes all existing data!
 568 */
 569 function provision(subobj, message, blank, paths, session_info, credentials, ldapbackend)
 570 {
 571         var lp = loadparm_init();
 572         var sys = sys_init();
 573         var info = new Object();
 574
 575         var ok = provision_fix_subobj(subobj, paths);
 576         assert(ok);
 577
 578         if (subobj.DOMAINGUID != undefined) {
 579                 subobj.DOMAINGUID_MOD = sprintf("replace: objectGUID\nobjectGUID: %s\n-", subobj.DOMAINGUID);
 580         } else {
 581                 subobj.DOMAINGUID_MOD = "";
 582         }
 583
 584         if (subobj.HOSTGUID != undefined) {
 585                 subobj.HOSTGUID_ADD = sprintf("objectGUID: %s", subobj.HOSTGUID);
 586         } else {
 587                 subobj.HOSTGUID_ADD = "";
 588         }
 589
 590         info.subobj = subobj;
 591         info.message = message;
 592         info.credentials = credentials;
 593         info.session_info = session_info;
 594
 595         /* only install a new smb.conf if there isn't one there already */
 596         var st = sys.stat(paths.smbconf);
 597         if (st == undefined) {
 598                 var smbconfsuffix;
 599                 if (strlower(subobj.SERVERROLE) == strlower("domain controller")) {
 600                         smbconfsuffix = "dc";
 601                 } else if (strlower(subobj.SERVERROLE) == strlower("member server")) {
 602                         smbconfsuffix = "member";
 603                 } else {
 604                         smbconfsuffix = subobj.SERVERROLE;
 605                 }
 606                 message("Setting up " + paths.smbconf +"\n");
 607                 setup_file("provision.smb.conf." + smbconfsuffix, info.message, paths.smbconf, subobj);
 608                 lp.reload();
 609         }
 610         /* only install a new shares config db if there is none */
 611         st = sys.stat(paths.shareconf);
 612         if (st == undefined) {
 613                 message("Setting up share.ldb\n");
 614                 setup_ldb("share.ldif", info, paths.shareconf);
 615         }
 616
 617         message("Setting up " + paths.secrets + "\n");
 618         setup_ldb("secrets_init.ldif", info, paths.secrets);
 619         setup_ldb("secrets.ldif", info, paths.secrets, false);
 620
 621         message("Setting up the registry\n");
 622         var reg = reg_open();
 623         reg.apply_patchfile(lp.get("setup directory") + "/provision.reg")
 624
 625         message("Setting up teplates into " + paths.templates + "\n");
 626         setup_ldb("provision_templates.ldif", info, paths.templates);
 627
 628         message("Setting up sam.ldb partitions\n");
 629         /* Also wipes the database */
 630         setup_ldb("provision_partitions.ldif", info, paths.samdb);
 631
 632         var samdb = open_ldb(info, paths.samdb, false);
 633
 634         message("Setting up sam.ldb attributes\n");
 635         setup_add_ldif("provision_init.ldif", info, samdb, false);
 636
 637         message("Setting up sam.ldb rootDSE\n");
 638         setup_add_ldif("provision_rootdse_add.ldif", info, samdb, false);
 639
 640         message("Erasing data from partitions\n");
 641         ldb_erase_partitions(info, samdb, ldapbackend);
 642
 643         // (hack) Reload, now we have the partitions and rootdse loaded.
 644         var commit_ok = samdb.transaction_commit();
 645         if (!commit_ok) {
 646                 info.message("samdb commit failed: " + samdb.errstring() + "\n");
 647                 assert(commit_ok);
 648         }
 649         samdb.close();
 650
 651         samdb = open_ldb(info, paths.samdb, false);
 652
 653         message("Adding DomainDN: " + subobj.DOMAINDN + " (permitted to fail)\n");
 654         var add_ok = setup_add_ldif("provision_basedn.ldif", info, samdb, true);
 655         message("Modifying DomainDN: " + subobj.DOMAINDN + "\n");
 656         var modify_ok = setup_ldb_modify("provision_basedn_modify.ldif", info, samdb);
 657         if (!modify_ok) {
 658                 if (!add_ok) {
 659                         message("%s", "Failed to both add and modify " + subobj.DOMAINDN + " in target " + subobj.DOMAINDN_LDB + ": " + samdb.errstring() + "\n");
 660                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 661                 };
 662                 assert(modify_ok);
 663         };
 664
 665         message("Adding configuration container (permitted to fail)\n");
 666         var add_ok = setup_add_ldif("provision_configuration_basedn.ldif", info, samdb, true);
 667         message("Modifying configuration container\n");
 668         var modify_ok = setup_ldb_modify("provision_configuration_basedn_modify.ldif", info, samdb);
 669         if (!modify_ok) {
 670                 if (!add_ok) {
 671                         message("%s", "Failed to both add and modify " + subobj.CONFIGDN + " in target " + subobj.CONFIGDN_LDB + ": " + samdb.errstring() + "\n");
 672                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 673                         assert(modify_ok);
 674                 }
 675                 assert(modify_ok);
 676         }
 677
 678         message("Adding schema container (permitted to fail)\n");
 679         var add_ok = setup_add_ldif("provision_schema_basedn.ldif", info, samdb, true);
 680         message("Modifying schema container\n");
 681         var modify_ok = setup_ldb_modify("provision_schema_basedn_modify.ldif", info, samdb);
 682         if (!modify_ok) {
 683                 if (!add_ok) {
 684                         message("%s", "Failed to both add and modify " + subobj.SCHEMADN + " in target " + subobj.SCHEMADN_LDB + ": " + samdb.errstring() + "\n");
 685                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 686                         assert(modify_ok);
 687                 }
 688                 message("Failed to modify the schema container: " + samdb.errstring() + "\n");
 689                 assert(modify_ok);
 690         }
 691
 692         message("Setting up sam.ldb Samba4 schema\n");
 693         setup_add_ldif("schema_samba4.ldif", info, samdb, false);
 694         message("Setting up sam.ldb AD schema\n");
 695         setup_add_ldif("schema.ldif", info, samdb, false);
 696
 697         // (hack) Reload, now we have the schema 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         samdb = open_ldb(info, paths.samdb, false);
 706
 707         message("Setting up sam.ldb configuration data\n");
 708         setup_add_ldif("provision_configuration.ldif", info, samdb, false);
 709
 710         message("Setting up display specifiers\n");
 711         setup_add_ldif("display_specifiers.ldif", info, samdb, false);
 712
 713         message("Adding users container (permitted to fail)\n");
 714         var add_ok = setup_add_ldif("provision_users_add.ldif", info, samdb, true);
 715         message("Modifying users container\n");
 716         var modify_ok = setup_ldb_modify("provision_users_modify.ldif", info, samdb);
 717         if (!modify_ok) {
 718                 if (!add_ok) {
 719                         message("Failed to both add and modify the users container\n");
 720                         assert(modify_ok);
 721                 }
 722                 assert(modify_ok);
 723         }
 724         message("Adding computers container (permitted to fail)\n");
 725         var add_ok = setup_add_ldif("provision_computers_add.ldif", info, samdb, true);
 726         message("Modifying computers container\n");
 727         var modify_ok = setup_ldb_modify("provision_computers_modify.ldif", info, samdb);
 728         if (!modify_ok) {
 729                 if (!add_ok) {
 730                         message("Failed to both add and modify the computers container\n");
 731                         assert(modify_ok);
 732                 }
 733                 assert(modify_ok);
 734         }
 735
 736         message("Setting up sam.ldb data\n");
 737         setup_add_ldif("provision.ldif", info, samdb, false);
 738
 739         if (blank != false) {
 740                 message("Setting up sam.ldb index\n");
 741                 setup_add_ldif("provision_index.ldif", info, samdb, false);
 742
 743                 message("Setting up sam.ldb rootDSE marking as syncronized\n");
 744                 setup_modify_ldif("provision_rootdse_modify.ldif", info, samdb, false);
 745
 746                 var commit_ok = samdb.transaction_commit();
 747                 if (!commit_ok) {
 748                         info.message("ldb commit failed: " + samdb.errstring() + "\n");
 749                         assert(commit_ok);
 750                 }
 751                 return true;
 752         }
 753
 754 //      message("Activate schema module");
 755 //      setup_modify_ldif("schema_activation.ldif", info, samdb, false);
 756 //
 757 //      // (hack) Reload, now we have the schema loaded.
 758 //      var commit_ok = samdb.transaction_commit();
 759 //      if (!commit_ok) {
 760 //              info.message("samdb commit failed: " + samdb.errstring() + "\n");
 761 //              assert(commit_ok);
 762 //      }
 763 //      samdb.close();
 764 //
 765 //      samdb = open_ldb(info, paths.samdb, false);
 766 //
 767         message("Setting up sam.ldb users and groups\n");
 768         setup_add_ldif("provision_users.ldif", info, samdb, false);
 769
 770         if (strlower(subobj.SERVERROLE) == strlower("domain controller")) {
 771                 message("Setting up self join\n");
 772                 setup_add_ldif("provision_self_join.ldif", info, samdb, false);
 773                 setup_add_ldif("provision_group_policy.ldif", info, samdb, false);
 774
 775                 sys.mkdir(paths.sysvol, 0755);
 776                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN, 0755);
 777                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies", 0755);
 778                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies/{" + subobj.POLICYGUID + "}", 0755);
 779                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies/{" + subobj.POLICYGUID + "}/Machine", 0755);
 780                 sys.mkdir(paths.sysvol + "/"+ subobj.DNSDOMAIN + "/Policies/{" + subobj.POLICYGUID + "}/User", 0755);
 781
 782                 sys.mkdir(paths.netlogon, 0755);
 783
 784                 setup_ldb("secrets_dc.ldif", info, paths.secrets, false);
 785
 786         }
 787
 788         if (setup_name_mappings(info, samdb) == false) {
 789                 return false;
 790         }
 791
 792         message("Setting up sam.ldb index\n");
 793         setup_add_ldif("provision_index.ldif", info, samdb, false);
 794
 795         message("Setting up sam.ldb rootDSE marking as syncronized\n");
 796         setup_modify_ldif("provision_rootdse_modify.ldif", info, samdb, false);
 797
 798         var commit_ok = samdb.transaction_commit();
 799         if (!commit_ok) {
 800                 info.message("samdb commit failed: " + samdb.errstring() + "\n");
 801                 assert(commit_ok);
 802         }
 803
 804         message("Setting up phpLDAPadmin configuration\n");
 805         setup_file("phpldapadmin-config.php", info.message, paths.phpldapadminconfig, subobj);
 806         message("Please install the phpLDAPadmin configuration located at " + paths.phpldapadminconfig + " into /etc/phpldapadmin/config.php\n");
 807
 808         return true;
 809 }
 810
 811 /*
 812   provision just the schema into a temporary ldb, so we can run ad2oLschema on it
 813 */
 814 function provision_schema(subobj, message, tmp_schema_path, paths)
 815 {
 816         var lp = loadparm_init();
 817         var sys = sys_init();
 818         var info = new Object();
 819
 820         var ok = provision_fix_subobj(subobj, paths);
 821         assert(ok);
 822
 823         info.subobj = subobj;
 824         info.message = message;
 825
 826         message("Setting up sam.ldb partitions\n");
 827
 828         /* This will erase anything in the tmp db */
 829         var samdb = open_ldb(info, tmp_schema_path, true);
 830
 831         message("Adding schema container (permitted to fail)\n");
 832         var add_ok = setup_add_ldif("provision_schema_basedn.ldif", info, samdb, true);
 833         message("Modifying schema container\n");
 834         var modify_ok = setup_ldb_modify("provision_schema_basedn_modify.ldif", info, samdb);
 835         if (!modify_ok) {
 836                 if (!add_ok) {
 837                         message("Failed to both add and modify schema dn: " + samdb.errstring() + "\n");
 838                         message("Perhaps you need to run the provision script with the --ldap-base-dn option, and add this record to the backend manually\n");
 839                         assert(modify_ok);
 840                 }
 841                 message("Failed to modify the schema container: " + samdb.errstring() + "\n");
 842                 assert(modify_ok);
 843         }
 844
 845         message("Setting up sam.ldb Samba4 schema\n");
 846         setup_add_ldif("schema_samba4.ldif", info, samdb, false);
 847         message("Setting up sam.ldb AD schema\n");
 848         setup_add_ldif("schema.ldif", info, samdb, false);
 849
 850         var commit_ok = samdb.transaction_commit();
 851         if (!commit_ok) {
 852                 info.message("samdb commit failed: " + samdb.errstring() + "\n");
 853                 assert(commit_ok);
 854         }
 855         samdb.close();
 856 }
 857
 858 /* Write out a DNS zone file, from the info in the current database */
 859 function provision_dns(subobj, message, paths, session_info, credentials)
 860 {
 861         var lp = loadparm_init();
 862         if (strlower(subobj.SERVERROLE) != strlower("domain controller")) {
 863                 message("No DNS zone required for role %s\n", subobj.SERVERROLE);
 864                 return;
 865         }
 866         message("Setting up DNS zone: " + subobj.DNSDOMAIN + " \n");
 867         var ldb = ldb_init();
 868         ldb.session_info = session_info;
 869         ldb.credentials = credentials;
 870
 871         /* connect to the sam */
 872         var ok = ldb.connect(paths.samdb);
 873         assert(ok);
 874
 875         /* These values may have changed, due to an incoming SamSync,
 876            or may not have been specified, so fetch them from the database */
 877
 878         var attrs = new Array("objectGUID");
 879         res = ldb.search("objectGUID=*", subobj.DOMAINDN, ldb.SCOPE_BASE, attrs);
 880         assert(res.error == 0);
 881         assert(res.msgs.length == 1);
 882         assert(res.msgs[0].objectGUID != undefined);
 883         subobj.DOMAINGUID = res.msgs[0].objectGUID;
 884
 885         subobj.HOSTGUID = searchone(ldb, subobj.DOMAINDN, "(&(objectClass=computer)(cn=" + subobj.NETBIOSNAME + "))", "objectGUID");
 886         assert(subobj.HOSTGUID != undefined);
 887
 888         setup_file("provision.zone",
 889                    message, paths.dns,
 890                    subobj);
 891
 892         setup_file("named.conf",
 893                    message, paths.named_conf,
 894                    subobj);
 895
 896         message("Please install the zone located in " + paths.dns + " into your DNS server.  A sample BIND configuration snippit is at " + paths.named_conf + "\n");
 897 }
 898
 899 /* Write out a DNS zone file, from the info in the current database */
 900 function provision_ldapbase(subobj, message, paths)
 901 {
 902         var ok = provision_fix_subobj(subobj, paths);
 903         assert(ok);
 904
 905         message("Setting up LDAP base entry: " + subobj.DOMAINDN + " \n");
 906         var rdns = split(",", subobj.DOMAINDN);
 907         subobj.EXTENSIBLEOBJECT = "objectClass: extensibleObject";
 908
 909         subobj.RDN_DC = substr(rdns[0], strlen("DC="));
 910
 911         sys.mkdir(paths.ldapdir, 0700);
 912
 913         setup_file("provision_basedn.ldif",
 914                    message, paths.ldap_basedn_ldif,
 915                    subobj);
 916
 917         setup_file("provision_configuration_basedn.ldif",
 918                    message, paths.ldap_config_basedn_ldif,
 919                    subobj);
 920
 921         setup_file("provision_schema_basedn.ldif",
 922                    message, paths.ldap_schema_basedn_ldif,
 923                    subobj);
 924
 925 }
 926
 927
 928 /*
 929   guess reasonably default options for provisioning
 930 */
 931 function provision_guess()
 932 {
 933         var subobj = new Object();
 934         var nss = nss_init();
 935         var lp = loadparm_init();
 936         var rdn_list;
 937         random_init(local);
 938
 939         subobj.SERVERROLE   = strlower(lp.get("server role"));
 940         subobj.REALM        = strupper(lp.get("realm"));
 941         subobj.DOMAIN       = lp.get("workgroup");
 942         subobj.HOSTNAME     = hostname();
 943
 944         assert(subobj.REALM);
 945         assert(subobj.DOMAIN);
 946         assert(subobj.HOSTNAME);
 947
 948         subobj.VERSION      = version();
 949         subobj.HOSTIP       = hostip();
 950         subobj.DOMAINSID    = randsid();
 951         subobj.INVOCATIONID = randguid();
 952         subobj.POLICYGUID   = randguid();
 953         subobj.KRBTGTPASS   = randpass(12);
 954         subobj.MACHINEPASS  = randpass(12);
 955         subobj.DNSPASS  = randpass(12);
 956         subobj.ADMINPASS    = randpass(12);
 957         subobj.LDAPMANAGERPASS     = randpass(12);
 958         subobj.DEFAULTSITE  = "Default-First-Site-Name";
 959         subobj.NEWGUID      = randguid;
 960         subobj.NTTIME       = nttime;
 961         subobj.LDAPTIME     = ldaptime;
 962         subobj.DATESTRING   = datestring;
 963         subobj.ROOT         = findnss(nss.getpwnam, "root");
 964         subobj.NOBODY       = findnss(nss.getpwnam, "nobody");
 965         subobj.NOGROUP      = findnss(nss.getgrnam, "nogroup", "nobody");
 966         subobj.WHEEL        = findnss(nss.getgrnam, "wheel", "root", "staff", "adm");
 967         subobj.BACKUP       = findnss(nss.getgrnam, "backup", "wheel", "root", "staff");
 968         subobj.USERS        = findnss(nss.getgrnam, "users", "guest", "other", "unknown", "usr");
 969
 970         //Add modules to the list to activate them by default
 971         //beware often order is important
 972         //
 973         // Some Known ordering constraints:
 974         // - rootdse must be first, as it makes redirects from "" -> cn=rootdse
 975         // - objectclass must be before password_hash, because password_hash checks
 976         //   that the objectclass is of type person (filled in by the objectclass
 977         //   module when expanding the objectclass list)
 978         // - partition must be last
 979         // - each partition has its own module list then
 980         modules_list        = new Array("rootdse",
 981                                         "paged_results",
 982                                         "server_sort",
 983                                         "extended_dn",
 984                                         "asq",
 985                                         "samldb",
 986                                         "rdn_name",
 987                                         "objectclass",
 988                                         "kludge_acl",
 989                                         "operational",
 990                                         "subtree_rename",
 991                                         "subtree_delete",
 992                                         "linked_attributes",
 993                                         "show_deleted",
 994                                         "partition");
 995         subobj.MODULES_LIST = join(",", modules_list);
 996         subobj.DOMAINDN_LDB = "users.ldb";
 997         subobj.CONFIGDN_LDB = "configuration.ldb";
 998         subobj.SCHEMADN_LDB = "schema.ldb";
 999         subobj.DOMAINDN_MOD = "pdc_fsmo,password_hash";
1000         subobj.CONFIGDN_MOD = "naming_fsmo";
1001         subobj.SCHEMADN_MOD = "schema_fsmo";
1002         subobj.DOMAINDN_MOD2 = ",objectguid";
1003         subobj.CONFIGDN_MOD2 = ",objectguid";
1004         subobj.SCHEMADN_MOD2 = ",objectguid";
1005
1006         subobj.EXTENSIBLEOBJECT = "# no objectClass: extensibleObject for local ldb";
1007         subobj.ACI              = "# no aci for local ldb";
1008
1009         return subobj;
1010 }
1011
1012 /*
1013   search for one attribute as a string
1014  */
1015 function searchone(ldb, basedn, expression, attribute)
1016 {
1017         var attrs = new Array(attribute);
1018         res = ldb.search(expression, basedn, ldb.SCOPE_SUBTREE, attrs);
1019         if (res.error != 0 ||
1020             res.msgs.length != 1 ||
1021             res.msgs[0][attribute] == undefined) {
1022                 return undefined;
1023         }
1024         return res.msgs[0][attribute];
1025 }
1026
1027 /*
1028   modify an account to remove the
1029 */
1030 function enable_account(ldb, user_dn)
1031 {
1032         var attrs = new Array("userAccountControl");
1033         var res = ldb.search(NULL, user_dn, ldb.SCOPE_ONELEVEL, attrs);
1034         assert(res.error == 0);
1035         assert(res.msgs.length == 1);
1036         var userAccountControl = res.msgs[0].userAccountControl;
1037         userAccountControl = userAccountControl - 2; /* remove disabled bit */
1038         var mod = sprintf("
1039 dn: %s
1040 changetype: modify
1041 replace: userAccountControl
1042 userAccountControl: %u
1043 ",
1044                           user_dn, userAccountControl);
1045         var ok = ldb.modify(mod);
1046         return (ok.error == 0);
1047 }
1048
1049
1050 /*
1051   add a new user record
1052 */
1053 function newuser(username, unixname, password, message, session_info, credentials)
1054 {
1055         var lp = loadparm_init();
1056         var samdb = lp.get("sam database");
1057         var ldb = ldb_init();
1058         random_init(local);
1059         ldb.session_info = session_info;
1060         ldb.credentials = credentials;
1061
1062         /* connect to the sam */
1063         var ok = ldb.connect(samdb);
1064         assert(ok);
1065
1066         ldb.transaction_start();
1067
1068         /* find the DNs for the domain and the domain users group */
1069         var attrs = new Array("defaultNamingContext");
1070         res = ldb.search("defaultNamingContext=*", "", ldb.SCOPE_BASE, attrs);
1071         assert(res.error == 0);
1072         assert(res.msgs.length == 1 && res.msgs[0].defaultNamingContext != undefined);
1073         var domain_dn = res.msgs[0].defaultNamingContext;
1074         assert(domain_dn != undefined);
1075         var dom_users = searchone(ldb, domain_dn, "name=Domain Users", "dn");
1076         assert(dom_users != undefined);
1077
1078         var user_dn = sprintf("CN=%s,CN=Users,%s", username, domain_dn);
1079
1080
1081         /*
1082           the new user record. note the reliance on the samdb module to fill
1083           in a sid, guid etc
1084         */
1085         var ldif = sprintf("
1086 dn: %s
1087 sAMAccountName: %s
1088 unixName: %s
1089 sambaPassword: %s
1090 objectClass: user
1091 ",
1092                            user_dn, username, dom_users,
1093                            unixname, password);
1094         /*
1095           add the user to the users group as well
1096         */
1097         var modgroup = sprintf("
1098 dn: %s
1099 changetype: modify
1100 add: member
1101 member: %s
1102 ",
1103                                dom_users, user_dn);
1104
1105
1106         /*
1107           now the real work
1108         */
1109         message("Adding user %s\n", user_dn);
1110         ok = ldb.add(ldif);
1111         if (ok.error != 0) {
1112                 message("Failed to add %s - %s\n", user_dn, ok.errstr);
1113                 return false;
1114         }
1115
1116         message("Modifying group %s\n", dom_users);
1117         ok = ldb.modify(modgroup);
1118         if (ok.error != 0) {
1119                 message("Failed to modify %s - %s\n", dom_users, ok.errstr);
1120                 return false;
1121         }
1122
1123         /*
1124           modify the userAccountControl to remove the disabled bit
1125         */
1126         ok = enable_account(ldb, user_dn);
1127         if (ok) {
1128                 ldb.transaction_commit();
1129         }
1130         return ok;
1131 }
1132
1133 // Check whether a name is valid as a NetBIOS name.
1134 // FIXME: There are probably more constraints here.
1135 // crh has a paragraph on this in his book (1.4.1.1)
1136 function valid_netbios_name(name)
1137 {
1138         if (strlen(name) > 13) return false;
1139         return true;
1140 }
1141
1142 function provision_validate(subobj, message)
1143 {
1144         var lp = loadparm_init();
1145
1146         if (!valid_netbios_name(subobj.DOMAIN)) {
1147                 message("Invalid NetBIOS name for domain\n");
1148                 return false;
1149         }
1150
1151         if (!valid_netbios_name(subobj.NETBIOSNAME)) {
1152                 message("Invalid NetBIOS name for host\n");
1153                 return false;
1154         }
1155
1156
1157         if (strupper(lp.get("workgroup")) != strupper(subobj.DOMAIN_CONF)) {
1158                 message("workgroup '%s' in smb.conf must match chosen domain '%s'\n",
1159                         lp.get("workgroup"), subobj.DOMAIN_CONF);
1160                 return false;
1161         }
1162
1163         if (strupper(lp.get("realm")) != strupper(subobj.REALM_CONF)) {
1164                 message("realm '%s' in smb.conf must match chosen realm '%s'\n",
1165                         lp.get("realm"), subobj.REALM_CONF);
1166                 return false;
1167         }
1168
1169         if (strlower(lp.get("server role")) != strlower(subobj.SERVERROLE)) {
1170                 message("server role '%s' in smb.conf must match chosen role '%s'\n",
1171                         lp.get("server role"), subobj.SERVERROLE);
1172                 return false;
1173         }
1174
1175         return true;
1176 }
1177
1178 function join_domain(domain, netbios_name, join_type, creds, message)
1179 {
1180         var ctx = NetContext(creds);
1181         var joindom = new Object();
1182         joindom.domain = domain;
1183         joindom.join_type = join_type;
1184         joindom.netbios_name = netbios_name;
1185         if (!ctx.JoinDomain(joindom)) {
1186                 message("Domain Join failed: " + joindom.error_string);
1187                 return false;
1188         }
1189         return true;
1190 }
1191
1192 /* Vampire a remote domain.  Session info and credentials are required for for
1193  * access to our local database (might be remote ldap)
1194  */
1195
1196 function vampire(domain, session_info, credentials, message) {
1197         var ctx = NetContext(credentials);
1198         var vampire_ctx = new Object();
1199         var machine_creds = credentials_init();
1200         machine_creds.set_domain(form.DOMAIN);
1201         if (!machine_creds.set_machine_account()) {
1202                 message("Failed to access domain join information!");
1203                 return false;
1204         }
1205         vampire_ctx.machine_creds = machine_creds;
1206         vampire_ctx.session_info = session_info;
1207         if (!ctx.SamSyncLdb(vampire_ctx)) {
1208                 message("Migration of remote domain to Samba failed: " + vampire_ctx.error_string);
1209                 return false;
1210         }
1211
1212         return true;
1213 }
1214
1215 return 0;