python/samba/netcmd/domain.py

   1 # domain management
   2 #
   3 # Copyright Matthias Dieter Wallnoefer 2009
   4 # Copyright Andrew Kroeger 2009
   5 # Copyright Jelmer Vernooij 2007-2012
   6 # Copyright Giampaolo Lauria 2011
   7 # Copyright Matthieu Patou <mat@matws.net> 2011
   8 # Copyright Andrew Bartlett 2008
   9 # Copyright Stefan Metzmacher 2012
  10 #
  11 # This program is free software; you can redistribute it and/or modify
  12 # it under the terms of the GNU General Public License as published by
  13 # the Free Software Foundation; either version 3 of the License, or
  14 # (at your option) any later version.
  15 #
  16 # This program is distributed in the hope that it will be useful,
  17 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  18 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  19 # GNU General Public License for more details.
  20 #
  21 # You should have received a copy of the GNU General Public License
  22 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  23 #
  24
  25 import samba.getopt as options
  26 import ldb
  27 import string
  28 import os
  29 import sys
  30 import tempfile
  31 import logging
  32 from samba.net import Net, LIBNET_JOIN_AUTOMATIC
  33 import samba.ntacls
  34 from samba.join import join_RODC, join_DC, join_subdomain
  35 from samba.auth import system_session
  36 from samba.samdb import SamDB
  37 from samba.dcerpc import drsuapi
  38 from samba.dcerpc.samr import DOMAIN_PASSWORD_COMPLEX, DOMAIN_PASSWORD_STORE_CLEARTEXT
  39 from samba.netcmd import (
  40     Command,
  41     CommandError,
  42     SuperCommand,
  43     Option
  44     )
  45 from samba.netcmd.common import netcmd_get_domain_infos_via_cldap
  46 from samba.samba3 import Samba3
  47 from samba.samba3 import param as s3param
  48 from samba.upgrade import upgrade_from_samba3
  49 from samba.drs_utils import (
  50                             sendDsReplicaSync, drsuapi_connect, drsException,
  51                             sendRemoveDsServer)
  52
  53
  54 from samba.dsdb import (
  55     DS_DOMAIN_FUNCTION_2000,
  56     DS_DOMAIN_FUNCTION_2003,
  57     DS_DOMAIN_FUNCTION_2003_MIXED,
  58     DS_DOMAIN_FUNCTION_2008,
  59     DS_DOMAIN_FUNCTION_2008_R2,
  60     DS_NTDSDSA_OPT_DISABLE_OUTBOUND_REPL,
  61     DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL,
  62     UF_WORKSTATION_TRUST_ACCOUNT,
  63     UF_SERVER_TRUST_ACCOUNT,
  64     UF_TRUSTED_FOR_DELEGATION
  65     )
  66
  67 from samba.credentials import DONT_USE_KERBEROS
  68 from samba.provision import (
  69     provision,
  70     FILL_FULL,
  71     FILL_NT4SYNC,
  72     FILL_DRS,
  73     ProvisioningError,
  74     )
  75
  76 def get_testparm_var(testparm, smbconf, varname):
  77     cmd = "%s -s -l --parameter-name='%s' %s 2>/dev/null" % (testparm, varname, smbconf)
  78     output = os.popen(cmd, 'r').readline()
  79     return output.strip()
  80
  81 try:
  82    import samba.dckeytab
  83    class cmd_domain_export_keytab(Command):
  84        """Dump Kerberos keys of the domain into a keytab."""
  85
  86        synopsis = "%prog <keytab> [options]"
  87
  88        takes_optiongroups = {
  89            "sambaopts": options.SambaOptions,
  90            "credopts": options.CredentialsOptions,
  91            "versionopts": options.VersionOptions,
  92            }
  93
  94        takes_options = [
  95            Option("--principal", help="extract only this principal", type=str),
  96            ]
  97
  98        takes_args = ["keytab"]
  99
 100        def run(self, keytab, credopts=None, sambaopts=None, versionopts=None, principal=None):
 101            lp = sambaopts.get_loadparm()
 102            net = Net(None, lp)
 103            net.export_keytab(keytab=keytab, principal=principal)
 104 except:
 105    cmd_domain_export_keytab = None
 106
 107
 108 class cmd_domain_info(Command):
 109     """Print basic info about a domain and the DC passed as parameter."""
 110
 111     synopsis = "%prog <ip_address> [options]"
 112
 113     takes_options = [
 114         ]
 115
 116     takes_optiongroups = {
 117         "sambaopts": options.SambaOptions,
 118         "credopts": options.CredentialsOptions,
 119         "versionopts": options.VersionOptions,
 120         }
 121
 122     takes_args = ["address"]
 123
 124     def run(self, address, credopts=None, sambaopts=None, versionopts=None):
 125         lp = sambaopts.get_loadparm()
 126         try:
 127             res = netcmd_get_domain_infos_via_cldap(lp, None, address)
 128         except RuntimeError:
 129             raise CommandError("Invalid IP address '" + address + "'!")
 130         self.outf.write("Forest           : %s\n" % res.forest)
 131         self.outf.write("Domain           : %s\n" % res.dns_domain)
 132         self.outf.write("Netbios domain   : %s\n" % res.domain_name)
 133         self.outf.write("DC name          : %s\n" % res.pdc_dns_name)
 134         self.outf.write("DC netbios name  : %s\n" % res.pdc_name)
 135         self.outf.write("Server site      : %s\n" % res.server_site)
 136         self.outf.write("Client site      : %s\n" % res.client_site)
 137
 138
 139 class cmd_domain_provision(Command):
 140     """Provision a domain."""
 141
 142     synopsis = "%prog [options]"
 143
 144     takes_optiongroups = {
 145         "sambaopts": options.SambaOptions,
 146         "versionopts": options.VersionOptions,
 147         "credopts": options.CredentialsOptions,
 148     }
 149
 150     takes_options = [
 151          Option("--interactive", help="Ask for names", action="store_true"),
 152          Option("--domain", type="string", metavar="DOMAIN",
 153                 help="set domain"),
 154          Option("--domain-guid", type="string", metavar="GUID",
 155                 help="set domainguid (otherwise random)"),
 156          Option("--domain-sid", type="string", metavar="SID",
 157                 help="set domainsid (otherwise random)"),
 158          Option("--ntds-guid", type="string", metavar="GUID",
 159                 help="set NTDS object GUID (otherwise random)"),
 160          Option("--invocationid", type="string", metavar="GUID",
 161                 help="set invocationid (otherwise random)"),
 162          Option("--host-name", type="string", metavar="HOSTNAME",
 163                 help="set hostname"),
 164          Option("--host-ip", type="string", metavar="IPADDRESS",
 165                 help="set IPv4 ipaddress"),
 166          Option("--host-ip6", type="string", metavar="IP6ADDRESS",
 167                 help="set IPv6 ipaddress"),
 168          Option("--adminpass", type="string", metavar="PASSWORD",
 169                 help="choose admin password (otherwise random)"),
 170          Option("--krbtgtpass", type="string", metavar="PASSWORD",
 171                 help="choose krbtgt password (otherwise random)"),
 172          Option("--machinepass", type="string", metavar="PASSWORD",
 173                 help="choose machine password (otherwise random)"),
 174          Option("--dns-backend", type="choice", metavar="NAMESERVER-BACKEND",
 175                 choices=["SAMBA_INTERNAL", "BIND9_FLATFILE", "BIND9_DLZ", "NONE"],
 176                 help="The DNS server backend. SAMBA_INTERNAL is the builtin name server (default), "
 177                      "BIND9_FLATFILE uses bind9 text database to store zone information, "
 178                      "BIND9_DLZ uses samba4 AD to store zone information, "
 179                      "NONE skips the DNS setup entirely (not recommended)",
 180                 default="SAMBA_INTERNAL"),
 181          Option("--dnspass", type="string", metavar="PASSWORD",
 182                 help="choose dns password (otherwise random)"),
 183          Option("--ldapadminpass", type="string", metavar="PASSWORD",
 184                 help="choose password to set between Samba and it's LDAP backend (otherwise random)"),
 185          Option("--root", type="string", metavar="USERNAME",
 186                 help="choose 'root' unix username"),
 187          Option("--nobody", type="string", metavar="USERNAME",
 188                 help="choose 'nobody' user"),
 189          Option("--users", type="string", metavar="GROUPNAME",
 190                 help="choose 'users' group"),
 191          Option("--quiet", help="Be quiet", action="store_true"),
 192          Option("--blank", action="store_true",
 193                 help="do not add users or groups, just the structure"),
 194          Option("--ldap-backend-type", type="choice", metavar="LDAP-BACKEND-TYPE",
 195                 help="Test initialisation support for unsupported LDAP backend type (fedora-ds or openldap) DO NOT USE",
 196                 choices=["fedora-ds", "openldap"]),
 197          Option("--server-role", type="choice", metavar="ROLE",
 198                 choices=["domain controller", "dc", "member server", "member", "standalone"],
 199                 help="The server role (domain controller | dc | member server | member | standalone). Default is dc.",
 200                 default="domain controller"),
 201          Option("--function-level", type="choice", metavar="FOR-FUN-LEVEL",
 202                 choices=["2000", "2003", "2008", "2008_R2"],
 203                 help="The domain and forest function level (2000 | 2003 | 2008 | 2008_R2 - always native). Default is (Windows) 2003 Native.",
 204                 default="2003"),
 205          Option("--next-rid", type="int", metavar="NEXTRID", default=1000,
 206                 help="The initial nextRid value (only needed for upgrades).  Default is 1000."),
 207          Option("--partitions-only",
 208                 help="Configure Samba's partitions, but do not modify them (ie, join a BDC)", action="store_true"),
 209          Option("--targetdir", type="string", metavar="DIR",
 210                 help="Set target directory"),
 211          Option("--ol-mmr-urls", type="string", metavar="LDAPSERVER",
 212                 help="List of LDAP-URLS [ ldap://<FQHN>:<PORT>/  (where <PORT> has to be different than 389!) ] separated with comma (\",\") for use with OpenLDAP-MMR (Multi-Master-Replication), e.g.: \"ldap://s4dc1:9000,ldap://s4dc2:9000\""),
 213          Option("--use-xattrs", type="choice", choices=["yes", "no", "auto"], help="Define if we should use the native fs capabilities or a tdb file for storing attributes likes ntacl, auto tries to make an inteligent guess based on the user rights and system capabilities", default="auto"),
 214          Option("--use-ntvfs", action="store_true", help="Use NTVFS for the fileserver (default = no)"),
 215          Option("--use-rfc2307", action="store_true", help="Use AD to store posix attributes (default = no)"),
 216         ]
 217
 218     openldap_options = [
 219         Option("--ldap-dryrun-mode", help="Configure LDAP backend, but do not run any binaries and exit early.  Used only for the test environment.  DO NOT USE",
 220                action="store_true"),
 221         Option("--slapd-path", type="string", metavar="SLAPD-PATH",
 222                help="Path to slapd for LDAP backend [e.g.:'/usr/local/libexec/slapd']. Required for Setup with LDAP-Backend. OpenLDAP Version >= 2.4.17 should be used."),
 223         Option("--ldap-backend-extra-port", type="int", metavar="LDAP-BACKEND-EXTRA-PORT", help="Additional TCP port for LDAP backend server (to use for replication)"),
 224         Option("--ldap-backend-forced-uri", type="string", metavar="LDAP-BACKEND-FORCED-URI",
 225                help="Force the LDAP backend connection to be to a particular URI.  Use this ONLY for 'existing' backends, or when debugging the interaction with the LDAP backend and you need to intercept the LDA"),
 226         Option("--ldap-backend-nosync", help="Configure LDAP backend not to call fsync() (for performance in test environments)", action="store_true"),
 227         ]
 228
 229     if os.getenv('TEST_LDAP', "no") == "yes":
 230         takes_options.extend(openldap_options)
 231
 232     takes_args = []
 233
 234     def run(self, sambaopts=None, credopts=None, versionopts=None,
 235             interactive=None,
 236             domain=None,
 237             domain_guid=None,
 238             domain_sid=None,
 239             ntds_guid=None,
 240             invocationid=None,
 241             host_name=None,
 242             host_ip=None,
 243             host_ip6=None,
 244             adminpass=None,
 245             krbtgtpass=None,
 246             machinepass=None,
 247             dns_backend=None,
 248             dns_forwarder=None,
 249             dnspass=None,
 250             ldapadminpass=None,
 251             root=None,
 252             nobody=None,
 253             users=None,
 254             quiet=None,
 255             blank=None,
 256             ldap_backend_type=None,
 257             server_role=None,
 258             function_level=None,
 259             next_rid=None,
 260             partitions_only=None,
 261             targetdir=None,
 262             ol_mmr_urls=None,
 263             use_xattrs=None,
 264             slapd_path=None,
 265             use_ntvfs=None,
 266             use_rfc2307=None,
 267             ldap_backend_nosync=None,
 268             ldap_backend_extra_port=None,
 269             ldap_backend_forced_uri=None,
 270             ldap_dryrun_mode=None):
 271
 272         self.logger = self.get_logger("provision")
 273         if quiet:
 274             self.logger.setLevel(logging.WARNING)
 275         else:
 276             self.logger.setLevel(logging.INFO)
 277
 278         lp = sambaopts.get_loadparm()
 279         smbconf = lp.configfile
 280
 281         creds = credopts.get_credentials(lp)
 282
 283         creds.set_kerberos_state(DONT_USE_KERBEROS)
 284
 285         if dns_forwarder is not None:
 286             suggested_forwarder = dns_forwarder
 287         else:
 288             suggested_forwarder = self._get_nameserver_ip()
 289             if suggested_forwarder is None:
 290                 suggested_forwarder = "none"
 291
 292         if len(self.raw_argv) == 1:
 293             interactive = True
 294
 295         if interactive:
 296             from getpass import getpass
 297             import socket
 298
 299             def ask(prompt, default=None):
 300                 if default is not None:
 301                     print "%s [%s]: " % (prompt, default),
 302                 else:
 303                     print "%s: " % (prompt,),
 304                 return sys.stdin.readline().rstrip("\n") or default
 305
 306             try:
 307                 default = socket.getfqdn().split(".", 1)[1].upper()
 308             except IndexError:
 309                 default = None
 310             realm = ask("Realm", default)
 311             if realm in (None, ""):
 312                 raise CommandError("No realm set!")
 313
 314             try:
 315                 default = realm.split(".")[0]
 316             except IndexError:
 317                 default = None
 318             domain = ask("Domain", default)
 319             if domain is None:
 320                 raise CommandError("No domain set!")
 321
 322             server_role = ask("Server Role (dc, member, standalone)", "dc")
 323
 324             dns_backend = ask("DNS backend (SAMBA_INTERNAL, BIND9_FLATFILE, BIND9_DLZ, NONE)", "SAMBA_INTERNAL")
 325             if dns_backend in (None, ''):
 326                 raise CommandError("No DNS backend set!")
 327
 328             if dns_backend == "SAMBA_INTERNAL":
 329                 dns_forwarder = ask("DNS forwarder IP address (write 'none' to disable forwarding)", suggested_forwarder)
 330                 if dns_forwarder.lower() in (None, 'none'):
 331                     suggested_forwarder = None
 332                     dns_forwarder = None
 333
 334             while True:
 335                 adminpassplain = getpass("Administrator password: ")
 336                 if not adminpassplain:
 337                     self.errf.write("Invalid administrator password.\n")
 338                 else:
 339                     adminpassverify = getpass("Retype password: ")
 340                     if not adminpassplain == adminpassverify:
 341                         self.errf.write("Sorry, passwords do not match.\n")
 342                     else:
 343                         adminpass = adminpassplain
 344                         break
 345
 346         else:
 347             realm = sambaopts._lp.get('realm')
 348             if realm is None:
 349                 raise CommandError("No realm set!")
 350             if domain is None:
 351                 raise CommandError("No domain set!")
 352
 353         if not adminpass:
 354             self.logger.info("Administrator password will be set randomly!")
 355
 356         if function_level == "2000":
 357             dom_for_fun_level = DS_DOMAIN_FUNCTION_2000
 358         elif function_level == "2003":
 359             dom_for_fun_level = DS_DOMAIN_FUNCTION_2003
 360         elif function_level == "2008":
 361             dom_for_fun_level = DS_DOMAIN_FUNCTION_2008
 362         elif function_level == "2008_R2":
 363             dom_for_fun_level = DS_DOMAIN_FUNCTION_2008_R2
 364
 365         if dns_backend == "SAMBA_INTERNAL" and dns_forwarder is None:
 366             dns_forwarder = suggested_forwarder
 367
 368         samdb_fill = FILL_FULL
 369         if blank:
 370             samdb_fill = FILL_NT4SYNC
 371         elif partitions_only:
 372             samdb_fill = FILL_DRS
 373
 374         if targetdir is not None:
 375             if not os.path.isdir(targetdir):
 376                 os.mkdir(targetdir)
 377
 378         eadb = True
 379
 380         if use_xattrs == "yes":
 381             eadb = False
 382         elif use_xattrs == "auto" and not lp.get("posix:eadb"):
 383             if targetdir:
 384                 file = tempfile.NamedTemporaryFile(dir=os.path.abspath(targetdir))
 385             else:
 386                 file = tempfile.NamedTemporaryFile(dir=os.path.abspath(os.path.dirname(lp.get("private dir"))))
 387             try:
 388                 try:
 389                     samba.ntacls.setntacl(lp, file.name,
 390                                           "O:S-1-5-32G:S-1-5-32", "S-1-5-32", "native")
 391                     eadb = False
 392                 except Exception:
 393                     self.logger.info("You are not root or your system do not support xattr, using tdb backend for attributes. ")
 394             finally:
 395                 file.close()
 396
 397         if eadb:
 398             self.logger.info("not using extended attributes to store ACLs and other metadata. If you intend to use this provision in production, rerun the script as root on a system supporting xattrs.")
 399         if ldap_backend_type == "existing":
 400             if dap_backend_forced_uri is not None:
 401                 logger.warn("You have specified to use an existing LDAP server as the backend, please make sure an LDAP server is running at %s" % ldap_backend_forced_uri)
 402             else:
 403                 logger.info("You have specified to use an existing LDAP server as the backend, please make sure an LDAP server is running at the default location")
 404         else:
 405             if ldap_backend_forced_uri is not None:
 406                 logger.warn("You have specified to use an fixed URI %s for connecting to your LDAP server backend.  This is NOT RECOMMENDED, as our default communiation over ldapi:// is more secure and much less")
 407
 408         session = system_session()
 409         try:
 410             result = provision(self.logger,
 411                   session, creds, smbconf=smbconf, targetdir=targetdir,
 412                   samdb_fill=samdb_fill, realm=realm, domain=domain,
 413                   domainguid=domain_guid, domainsid=domain_sid,
 414                   hostname=host_name,
 415                   hostip=host_ip, hostip6=host_ip6,
 416                   ntdsguid=ntds_guid,
 417                   invocationid=invocationid, adminpass=adminpass,
 418                   krbtgtpass=krbtgtpass, machinepass=machinepass,
 419                   dns_backend=dns_backend, dns_forwarder=dns_forwarder,
 420                   dnspass=dnspass, root=root, nobody=nobody,
 421                   users=users,
 422                   serverrole=server_role, dom_for_fun_level=dom_for_fun_level,
 423                   backend_type=ldap_backend_type,
 424                   ldapadminpass=ldapadminpass, ol_mmr_urls=ol_mmr_urls, slapd_path=slapd_path,
 425                   useeadb=eadb, next_rid=next_rid, lp=lp, use_ntvfs=use_ntvfs,
 426                   use_rfc2307=use_rfc2307, skip_sysvolacl=False,
 427                   ldap_backend_extra_port=ldap_backend_extra_port,
 428                   ldap_backend_forced_uri=ldap_backend_forced_uri,
 429                   nosync=ldap_backend_nosync, ldap_dryrun_mode=ldap_dryrun_mode)
 430
 431         except ProvisioningError, e:
 432             raise CommandError("Provision failed", e)
 433
 434         result.report_logger(self.logger)
 435
 436     def _get_nameserver_ip(self):
 437         """Grab the nameserver IP address from /etc/resolv.conf."""
 438         from os import path
 439         RESOLV_CONF="/etc/resolv.conf"
 440
 441         if not path.isfile(RESOLV_CONF):
 442             self.logger.warning("Failed to locate %s" % RESOLV_CONF)
 443             return None
 444
 445         handle = None
 446         try:
 447             handle = open(RESOLV_CONF, 'r')
 448             for line in handle:
 449                 if not line.startswith('nameserver'):
 450                     continue
 451                 # we want the last non-space continuous string of the line
 452                 return line.strip().split()[-1]
 453         finally:
 454             if handle is not None:
 455                 handle.close()
 456
 457         self.logger.warning("No nameserver found in %s" % RESOLV_CONF)
 458
 459
 460 class cmd_domain_dcpromo(Command):
 461     """Promote an existing domain member or NT4 PDC to an AD DC."""
 462
 463     synopsis = "%prog <dnsdomain> [DC|RODC] [options]"
 464
 465     takes_optiongroups = {
 466         "sambaopts": options.SambaOptions,
 467         "versionopts": options.VersionOptions,
 468         "credopts": options.CredentialsOptions,
 469     }
 470
 471     takes_options = [
 472         Option("--server", help="DC to join", type=str),
 473         Option("--site", help="site to join", type=str),
 474         Option("--targetdir", help="where to store provision", type=str),
 475         Option("--domain-critical-only",
 476                help="only replicate critical domain objects",
 477                action="store_true"),
 478         Option("--machinepass", type=str, metavar="PASSWORD",
 479                help="choose machine password (otherwise random)"),
 480         Option("--use-ntvfs", help="Use NTVFS for the fileserver (default = no)",
 481                action="store_true"),
 482         Option("--dns-backend", type="choice", metavar="NAMESERVER-BACKEND",
 483                choices=["SAMBA_INTERNAL", "BIND9_DLZ", "NONE"],
 484                help="The DNS server backend. SAMBA_INTERNAL is the builtin name server (default), "
 485                    "BIND9_DLZ uses samba4 AD to store zone information, "
 486                    "NONE skips the DNS setup entirely (this DC will not be a DNS server)",
 487                default="SAMBA_INTERNAL"),
 488         Option("--quiet", help="Be quiet", action="store_true"),
 489         Option("--verbose", help="Be verbose", action="store_true")
 490         ]
 491
 492     takes_args = ["domain", "role?"]
 493
 494     def run(self, domain, role=None, sambaopts=None, credopts=None,
 495             versionopts=None, server=None, site=None, targetdir=None,
 496             domain_critical_only=False, parent_domain=None, machinepass=None,
 497             use_ntvfs=False, dns_backend=None,
 498             quiet=False, verbose=False):
 499         lp = sambaopts.get_loadparm()
 500         creds = credopts.get_credentials(lp)
 501         net = Net(creds, lp, server=credopts.ipaddress)
 502
 503         if site is None:
 504             site = "Default-First-Site-Name"
 505
 506         logger = self.get_logger()
 507         if verbose:
 508             logger.setLevel(logging.DEBUG)
 509         elif quiet:
 510             logger.setLevel(logging.WARNING)
 511         else:
 512             logger.setLevel(logging.INFO)
 513
 514         if site is None:
 515             site = "Default-First-Site-Name"
 516
 517         netbios_name = lp.get("netbios name")
 518
 519         if not role is None:
 520             role = role.upper()
 521
 522         if role == "DC":
 523             join_DC(logger=logger, server=server, creds=creds, lp=lp, domain=domain,
 524                     site=site, netbios_name=netbios_name, targetdir=targetdir,
 525                     domain_critical_only=domain_critical_only,
 526                     machinepass=machinepass, use_ntvfs=use_ntvfs,
 527                     dns_backend=dns_backend,
 528                     promote_existing=True)
 529         elif role == "RODC":
 530             join_RODC(logger=logger, server=server, creds=creds, lp=lp, domain=domain,
 531                       site=site, netbios_name=netbios_name, targetdir=targetdir,
 532                       domain_critical_only=domain_critical_only,
 533                       machinepass=machinepass, use_ntvfs=use_ntvfs, dns_backend=dns_backend,
 534                       promote_existing=True)
 535         else:
 536             raise CommandError("Invalid role '%s' (possible values: DC, RODC)" % role)
 537
 538
 539 class cmd_domain_join(Command):
 540     """Join domain as either member or backup domain controller."""
 541
 542     synopsis = "%prog <dnsdomain> [DC|RODC|MEMBER|SUBDOMAIN] [options]"
 543
 544     takes_optiongroups = {
 545         "sambaopts": options.SambaOptions,
 546         "versionopts": options.VersionOptions,
 547         "credopts": options.CredentialsOptions,
 548     }
 549
 550     takes_options = [
 551         Option("--server", help="DC to join", type=str),
 552         Option("--site", help="site to join", type=str),
 553         Option("--targetdir", help="where to store provision", type=str),
 554         Option("--parent-domain", help="parent domain to create subdomain under", type=str),
 555         Option("--domain-critical-only",
 556                help="only replicate critical domain objects",
 557                action="store_true"),
 558         Option("--machinepass", type=str, metavar="PASSWORD",
 559                help="choose machine password (otherwise random)"),
 560         Option("--adminpass", type="string", metavar="PASSWORD",
 561                help="choose adminstrator password when joining as a subdomain (otherwise random)"),
 562         Option("--use-ntvfs", help="Use NTVFS for the fileserver (default = no)",
 563                action="store_true"),
 564         Option("--dns-backend", type="choice", metavar="NAMESERVER-BACKEND",
 565                choices=["SAMBA_INTERNAL", "BIND9_DLZ", "NONE"],
 566                help="The DNS server backend. SAMBA_INTERNAL is the builtin name server (default), "
 567                    "BIND9_DLZ uses samba4 AD to store zone information, "
 568                    "NONE skips the DNS setup entirely (this DC will not be a DNS server)",
 569                default="SAMBA_INTERNAL"),
 570         Option("--quiet", help="Be quiet", action="store_true"),
 571         Option("--verbose", help="Be verbose", action="store_true")
 572        ]
 573
 574     takes_args = ["domain", "role?"]
 575
 576     def run(self, domain, role=None, sambaopts=None, credopts=None,
 577             versionopts=None, server=None, site=None, targetdir=None,
 578             domain_critical_only=False, parent_domain=None, machinepass=None,
 579             use_ntvfs=False, dns_backend=None, adminpass=None,
 580             quiet=False, verbose=False):
 581         lp = sambaopts.get_loadparm()
 582         creds = credopts.get_credentials(lp)
 583         net = Net(creds, lp, server=credopts.ipaddress)
 584
 585         if site is None:
 586             site = "Default-First-Site-Name"
 587
 588         logger = self.get_logger()
 589         if verbose:
 590             logger.setLevel(logging.DEBUG)
 591         elif quiet:
 592             logger.setLevel(logging.WARNING)
 593         else:
 594             logger.setLevel(logging.INFO)
 595
 596         netbios_name = lp.get("netbios name")
 597
 598         if not role is None:
 599             role = role.upper()
 600
 601         if role is None or role == "MEMBER":
 602             (join_password, sid, domain_name) = net.join_member(
 603                 domain, netbios_name, LIBNET_JOIN_AUTOMATIC,
 604                 machinepass=machinepass)
 605
 606             self.errf.write("Joined domain %s (%s)\n" % (domain_name, sid))
 607         elif role == "DC":
 608             join_DC(logger=logger, server=server, creds=creds, lp=lp, domain=domain,
 609                     site=site, netbios_name=netbios_name, targetdir=targetdir,
 610                     domain_critical_only=domain_critical_only,
 611                     machinepass=machinepass, use_ntvfs=use_ntvfs, dns_backend=dns_backend)
 612         elif role == "RODC":
 613             join_RODC(logger=logger, server=server, creds=creds, lp=lp, domain=domain,
 614                       site=site, netbios_name=netbios_name, targetdir=targetdir,
 615                       domain_critical_only=domain_critical_only,
 616                       machinepass=machinepass, use_ntvfs=use_ntvfs,
 617                       dns_backend=dns_backend)
 618         elif role == "SUBDOMAIN":
 619             if not adminpass:
 620                 logger.info("Administrator password will be set randomly!")
 621
 622             netbios_domain = lp.get("workgroup")
 623             if parent_domain is None:
 624                 parent_domain = ".".join(domain.split(".")[1:])
 625             join_subdomain(logger=logger, server=server, creds=creds, lp=lp, dnsdomain=domain,
 626                            parent_domain=parent_domain, site=site,
 627                            netbios_name=netbios_name, netbios_domain=netbios_domain,
 628                            targetdir=targetdir, machinepass=machinepass,
 629                            use_ntvfs=use_ntvfs, dns_backend=dns_backend,
 630                            adminpass=adminpass)
 631         else:
 632             raise CommandError("Invalid role '%s' (possible values: MEMBER, DC, RODC, SUBDOMAIN)" % role)
 633
 634
 635 class cmd_domain_demote(Command):
 636     """Demote ourselves from the role of Domain Controller."""
 637
 638     synopsis = "%prog [options]"
 639
 640     takes_options = [
 641         Option("--server", help="DC to force replication before demote", type=str),
 642         Option("--targetdir", help="where provision is stored", type=str),
 643         ]
 644
 645     takes_optiongroups = {
 646         "sambaopts": options.SambaOptions,
 647         "credopts": options.CredentialsOptions,
 648         "versionopts": options.VersionOptions,
 649         }
 650
 651     def run(self, sambaopts=None, credopts=None,
 652             versionopts=None, server=None, targetdir=None):
 653         lp = sambaopts.get_loadparm()
 654         creds = credopts.get_credentials(lp)
 655         net = Net(creds, lp, server=credopts.ipaddress)
 656
 657         netbios_name = lp.get("netbios name")
 658         samdb = SamDB(session_info=system_session(), credentials=creds, lp=lp)
 659         if not server:
 660             res = samdb.search(expression='(&(objectClass=computer)(serverReferenceBL=*))', attrs=["dnsHostName", "name"])
 661             if (len(res) == 0):
 662                 raise CommandError("Unable to search for servers")
 663
 664             if (len(res) == 1):
 665                 raise CommandError("You are the latest server in the domain")
 666
 667             server = None
 668             for e in res:
 669                 if str(e["name"]).lower() != netbios_name.lower():
 670                     server = e["dnsHostName"]
 671                     break
 672
 673         ntds_guid = samdb.get_ntds_GUID()
 674         msg = samdb.search(base=str(samdb.get_config_basedn()),
 675             scope=ldb.SCOPE_SUBTREE, expression="(objectGUID=%s)" % ntds_guid,
 676             attrs=['options'])
 677         if len(msg) == 0 or "options" not in msg[0]:
 678             raise CommandError("Failed to find options on %s" % ntds_guid)
 679
 680         ntds_dn = msg[0].dn
 681         dsa_options = int(str(msg[0]['options']))
 682
 683         res = samdb.search(expression="(fSMORoleOwner=%s)" % str(ntds_dn),
 684                             controls=["search_options:1:2"])
 685
 686         if len(res) != 0:
 687             raise CommandError("Current DC is still the owner of %d role(s), use the role command to transfer roles to another DC" % len(res))
 688
 689         self.errf.write("Using %s as partner server for the demotion\n" %
 690                         server)
 691         (drsuapiBind, drsuapi_handle, supportedExtensions) = drsuapi_connect(server, lp, creds)
 692
 693         self.errf.write("Desactivating inbound replication\n")
 694
 695         nmsg = ldb.Message()
 696         nmsg.dn = msg[0].dn
 697
 698         dsa_options |= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 699         nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 700         samdb.modify(nmsg)
 701
 702         if not (dsa_options & DS_NTDSDSA_OPT_DISABLE_OUTBOUND_REPL) and not samdb.am_rodc():
 703
 704             self.errf.write("Asking partner server %s to synchronize from us\n"
 705                             % server)
 706             for part in (samdb.get_schema_basedn(),
 707                             samdb.get_config_basedn(),
 708                             samdb.get_root_basedn()):
 709                 try:
 710                     sendDsReplicaSync(drsuapiBind, drsuapi_handle, ntds_guid, str(part), drsuapi.DRSUAPI_DRS_WRIT_REP)
 711                 except drsException, e:
 712                     self.errf.write(
 713                         "Error while demoting, "
 714                         "re-enabling inbound replication\n")
 715                     dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 716                     nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 717                     samdb.modify(nmsg)
 718                     raise CommandError("Error while sending a DsReplicaSync for partion %s" % str(part), e)
 719         try:
 720             remote_samdb = SamDB(url="ldap://%s" % server,
 721                                 session_info=system_session(),
 722                                 credentials=creds, lp=lp)
 723
 724             self.errf.write("Changing userControl and container\n")
 725             res = remote_samdb.search(base=str(remote_samdb.get_root_basedn()),
 726                                 expression="(&(objectClass=user)(sAMAccountName=%s$))" %
 727                                             netbios_name.upper(),
 728                                 attrs=["userAccountControl"])
 729             dc_dn = res[0].dn
 730             uac = int(str(res[0]["userAccountControl"]))
 731
 732         except Exception, e:
 733             self.errf.write(
 734                 "Error while demoting, re-enabling inbound replication\n")
 735             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 736             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 737             samdb.modify(nmsg)
 738             raise CommandError("Error while changing account control", e)
 739
 740         if (len(res) != 1):
 741             self.errf.write(
 742                 "Error while demoting, re-enabling inbound replication")
 743             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 744             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 745             samdb.modify(nmsg)
 746             raise CommandError("Unable to find object with samaccountName = %s$"
 747                                " in the remote dc" % netbios_name.upper())
 748
 749         olduac = uac
 750
 751         uac ^= (UF_SERVER_TRUST_ACCOUNT|UF_TRUSTED_FOR_DELEGATION)
 752         uac |= UF_WORKSTATION_TRUST_ACCOUNT
 753
 754         msg = ldb.Message()
 755         msg.dn = dc_dn
 756
 757         msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 758                                                         ldb.FLAG_MOD_REPLACE,
 759                                                         "userAccountControl")
 760         try:
 761             remote_samdb.modify(msg)
 762         except Exception, e:
 763             self.errf.write(
 764                 "Error while demoting, re-enabling inbound replication")
 765             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 766             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 767             samdb.modify(nmsg)
 768
 769             raise CommandError("Error while changing account control", e)
 770
 771         parent = msg.dn.parent()
 772         rdn = str(res[0].dn)
 773         rdn = string.replace(rdn, ",%s" % str(parent), "")
 774         # Let's move to the Computer container
 775         i = 0
 776         newrdn = rdn
 777
 778         computer_dn = ldb.Dn(remote_samdb, "CN=Computers,%s" % str(remote_samdb.get_root_basedn()))
 779         res = remote_samdb.search(base=computer_dn, expression=rdn, scope=ldb.SCOPE_ONELEVEL)
 780
 781         if (len(res) != 0):
 782             res = remote_samdb.search(base=computer_dn, expression="%s-%d" % (rdn, i),
 783                                         scope=ldb.SCOPE_ONELEVEL)
 784             while(len(res) != 0 and i < 100):
 785                 i = i + 1
 786                 res = remote_samdb.search(base=computer_dn, expression="%s-%d" % (rdn, i),
 787                                             scope=ldb.SCOPE_ONELEVEL)
 788
 789             if i == 100:
 790                 self.errf.write(
 791                     "Error while demoting, re-enabling inbound replication\n")
 792                 dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 793                 nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 794                 samdb.modify(nmsg)
 795
 796                 msg = ldb.Message()
 797                 msg.dn = dc_dn
 798
 799                 msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 800                                                         ldb.FLAG_MOD_REPLACE,
 801                                                         "userAccountControl")
 802
 803                 remote_samdb.modify(msg)
 804
 805                 raise CommandError("Unable to find a slot for renaming %s,"
 806                                     " all names from %s-1 to %s-%d seemed used" %
 807                                     (str(dc_dn), rdn, rdn, i - 9))
 808
 809             newrdn = "%s-%d" % (rdn, i)
 810
 811         try:
 812             newdn = ldb.Dn(remote_samdb, "%s,%s" % (newrdn, str(computer_dn)))
 813             remote_samdb.rename(dc_dn, newdn)
 814         except Exception, e:
 815             self.errf.write(
 816                 "Error while demoting, re-enabling inbound replication\n")
 817             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 818             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 819             samdb.modify(nmsg)
 820
 821             msg = ldb.Message()
 822             msg.dn = dc_dn
 823
 824             msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 825                                                     ldb.FLAG_MOD_REPLACE,
 826                                                     "userAccountControl")
 827
 828             remote_samdb.modify(msg)
 829             raise CommandError("Error while renaming %s to %s" % (str(dc_dn), str(newdn)), e)
 830
 831
 832         server_dsa_dn = samdb.get_serverName()
 833         domain = remote_samdb.get_root_basedn()
 834
 835         try:
 836             sendRemoveDsServer(drsuapiBind, drsuapi_handle, server_dsa_dn, domain)
 837         except drsException, e:
 838             self.errf.write(
 839                 "Error while demoting, re-enabling inbound replication\n")
 840             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 841             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 842             samdb.modify(nmsg)
 843
 844             msg = ldb.Message()
 845             msg.dn = newdn
 846
 847             msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 848                                                     ldb.FLAG_MOD_REPLACE,
 849                                                     "userAccountControl")
 850             print str(dc_dn)
 851             remote_samdb.modify(msg)
 852             remote_samdb.rename(newdn, dc_dn)
 853             raise CommandError("Error while sending a removeDsServer", e)
 854
 855         for s in ("CN=Entreprise,CN=Microsoft System Volumes,CN=System,CN=Configuration",
 856                   "CN=%s,CN=Microsoft System Volumes,CN=System,CN=Configuration" % lp.get("realm"),
 857                   "CN=Domain System Volumes (SYSVOL share),CN=File Replication Service,CN=System"):
 858             try:
 859                 remote_samdb.delete(ldb.Dn(remote_samdb,
 860                                     "%s,%s,%s" % (str(rdn), s, str(remote_samdb.get_root_basedn()))))
 861             except ldb.LdbError, l:
 862                 pass
 863
 864         for s in ("CN=Entreprise,CN=NTFRS Subscriptions",
 865                   "CN=%s, CN=NTFRS Subscriptions" % lp.get("realm"),
 866                   "CN=Domain system Volumes (SYSVOL Share), CN=NTFRS Subscriptions",
 867                   "CN=NTFRS Subscriptions"):
 868             try:
 869                 remote_samdb.delete(ldb.Dn(remote_samdb,
 870                                     "%s,%s" % (s, str(newdn))))
 871             except ldb.LdbError, l:
 872                 pass
 873
 874         self.errf.write("Demote successfull\n")
 875
 876
 877 class cmd_domain_level(Command):
 878     """Raise domain and forest function levels."""
 879
 880     synopsis = "%prog (show|raise <options>) [options]"
 881
 882     takes_optiongroups = {
 883         "sambaopts": options.SambaOptions,
 884         "credopts": options.CredentialsOptions,
 885         "versionopts": options.VersionOptions,
 886         }
 887
 888     takes_options = [
 889         Option("-H", "--URL", help="LDB URL for database or target server", type=str,
 890                metavar="URL", dest="H"),
 891         Option("--quiet", help="Be quiet", action="store_true"),
 892         Option("--forest-level", type="choice", choices=["2003", "2008", "2008_R2"],
 893             help="The forest function level (2003 | 2008 | 2008_R2)"),
 894         Option("--domain-level", type="choice", choices=["2003", "2008", "2008_R2"],
 895             help="The domain function level (2003 | 2008 | 2008_R2)")
 896             ]
 897
 898     takes_args = ["subcommand"]
 899
 900     def run(self, subcommand, H=None, forest_level=None, domain_level=None,
 901             quiet=False, credopts=None, sambaopts=None, versionopts=None):
 902         lp = sambaopts.get_loadparm()
 903         creds = credopts.get_credentials(lp, fallback_machine=True)
 904
 905         samdb = SamDB(url=H, session_info=system_session(),
 906             credentials=creds, lp=lp)
 907
 908         domain_dn = samdb.domain_dn()
 909
 910         res_forest = samdb.search("CN=Partitions,%s" % samdb.get_config_basedn(),
 911           scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
 912         assert len(res_forest) == 1
 913
 914         res_domain = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
 915           attrs=["msDS-Behavior-Version", "nTMixedDomain"])
 916         assert len(res_domain) == 1
 917
 918         res_dc_s = samdb.search("CN=Sites,%s" % samdb.get_config_basedn(),
 919           scope=ldb.SCOPE_SUBTREE, expression="(objectClass=nTDSDSA)",
 920           attrs=["msDS-Behavior-Version"])
 921         assert len(res_dc_s) >= 1
 922
 923         try:
 924             level_forest = int(res_forest[0]["msDS-Behavior-Version"][0])
 925             level_domain = int(res_domain[0]["msDS-Behavior-Version"][0])
 926             level_domain_mixed = int(res_domain[0]["nTMixedDomain"][0])
 927
 928             min_level_dc = int(res_dc_s[0]["msDS-Behavior-Version"][0]) # Init value
 929             for msg in res_dc_s:
 930                 if int(msg["msDS-Behavior-Version"][0]) < min_level_dc:
 931                     min_level_dc = int(msg["msDS-Behavior-Version"][0])
 932
 933             if level_forest < 0 or level_domain < 0:
 934                 raise CommandError("Domain and/or forest function level(s) is/are invalid. Correct them or reprovision!")
 935             if min_level_dc < 0:
 936                 raise CommandError("Lowest function level of a DC is invalid. Correct this or reprovision!")
 937             if level_forest > level_domain:
 938                 raise CommandError("Forest function level is higher than the domain level(s). Correct this or reprovision!")
 939             if level_domain > min_level_dc:
 940                 raise CommandError("Domain function level is higher than the lowest function level of a DC. Correct this or reprovision!")
 941
 942         except KeyError:
 943             raise CommandError("Could not retrieve the actual domain, forest level and/or lowest DC function level!")
 944
 945         if subcommand == "show":
 946             self.message("Domain and forest function level for domain '%s'" % domain_dn)
 947             if level_forest == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 948                 self.message("\nATTENTION: You run SAMBA 4 on a forest function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
 949             if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 950                 self.message("\nATTENTION: You run SAMBA 4 on a domain function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
 951             if min_level_dc == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 952                 self.message("\nATTENTION: You run SAMBA 4 on a lowest function level of a DC lower than Windows 2003. This isn't supported! Please step-up or upgrade the concerning DC(s)!")
 953
 954             self.message("")
 955
 956             if level_forest == DS_DOMAIN_FUNCTION_2000:
 957                 outstr = "2000"
 958             elif level_forest == DS_DOMAIN_FUNCTION_2003_MIXED:
 959                 outstr = "2003 with mixed domains/interim (NT4 DC support)"
 960             elif level_forest == DS_DOMAIN_FUNCTION_2003:
 961                 outstr = "2003"
 962             elif level_forest == DS_DOMAIN_FUNCTION_2008:
 963                 outstr = "2008"
 964             elif level_forest == DS_DOMAIN_FUNCTION_2008_R2:
 965                 outstr = "2008 R2"
 966             else:
 967                 outstr = "higher than 2008 R2"
 968             self.message("Forest function level: (Windows) " + outstr)
 969
 970             if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 971                 outstr = "2000 mixed (NT4 DC support)"
 972             elif level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed == 0:
 973                 outstr = "2000"
 974             elif level_domain == DS_DOMAIN_FUNCTION_2003_MIXED:
 975                 outstr = "2003 with mixed domains/interim (NT4 DC support)"
 976             elif level_domain == DS_DOMAIN_FUNCTION_2003:
 977                 outstr = "2003"
 978             elif level_domain == DS_DOMAIN_FUNCTION_2008:
 979                 outstr = "2008"
 980             elif level_domain == DS_DOMAIN_FUNCTION_2008_R2:
 981                 outstr = "2008 R2"
 982             else:
 983                 outstr = "higher than 2008 R2"
 984             self.message("Domain function level: (Windows) " + outstr)
 985
 986             if min_level_dc == DS_DOMAIN_FUNCTION_2000:
 987                 outstr = "2000"
 988             elif min_level_dc == DS_DOMAIN_FUNCTION_2003:
 989                 outstr = "2003"
 990             elif min_level_dc == DS_DOMAIN_FUNCTION_2008:
 991                 outstr = "2008"
 992             elif min_level_dc == DS_DOMAIN_FUNCTION_2008_R2:
 993                 outstr = "2008 R2"
 994             else:
 995                 outstr = "higher than 2008 R2"
 996             self.message("Lowest function level of a DC: (Windows) " + outstr)
 997
 998         elif subcommand == "raise":
 999             msgs = []
1000
1001             if domain_level is not None:
1002                 if domain_level == "2003":
1003                     new_level_domain = DS_DOMAIN_FUNCTION_2003
1004                 elif domain_level == "2008":
1005                     new_level_domain = DS_DOMAIN_FUNCTION_2008
1006                 elif domain_level == "2008_R2":
1007                     new_level_domain = DS_DOMAIN_FUNCTION_2008_R2
1008
1009                 if new_level_domain <= level_domain and level_domain_mixed == 0:
1010                     raise CommandError("Domain function level can't be smaller than or equal to the actual one!")
1011
1012                 if new_level_domain > min_level_dc:
1013                     raise CommandError("Domain function level can't be higher than the lowest function level of a DC!")
1014
1015                 # Deactivate mixed/interim domain support
1016                 if level_domain_mixed != 0:
1017                     # Directly on the base DN
1018                     m = ldb.Message()
1019                     m.dn = ldb.Dn(samdb, domain_dn)
1020                     m["nTMixedDomain"] = ldb.MessageElement("0",
1021                       ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
1022                     samdb.modify(m)
1023                     # Under partitions
1024                     m = ldb.Message()
1025                     m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup") + ",CN=Partitions,%s" % samdb.get_config_basedn())
1026                     m["nTMixedDomain"] = ldb.MessageElement("0",
1027                       ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
1028                     try:
1029                         samdb.modify(m)
1030                     except ldb.LdbError, (enum, emsg):
1031                         if enum != ldb.ERR_UNWILLING_TO_PERFORM:
1032                             raise
1033
1034                 # Directly on the base DN
1035                 m = ldb.Message()
1036                 m.dn = ldb.Dn(samdb, domain_dn)
1037                 m["msDS-Behavior-Version"]= ldb.MessageElement(
1038                   str(new_level_domain), ldb.FLAG_MOD_REPLACE,
1039                             "msDS-Behavior-Version")
1040                 samdb.modify(m)
1041                 # Under partitions
1042                 m = ldb.Message()
1043                 m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup")
1044                   + ",CN=Partitions,%s" % samdb.get_config_basedn())
1045                 m["msDS-Behavior-Version"]= ldb.MessageElement(
1046                   str(new_level_domain), ldb.FLAG_MOD_REPLACE,
1047                           "msDS-Behavior-Version")
1048                 try:
1049                     samdb.modify(m)
1050                 except ldb.LdbError, (enum, emsg):
1051                     if enum != ldb.ERR_UNWILLING_TO_PERFORM:
1052                         raise
1053
1054                 level_domain = new_level_domain
1055                 msgs.append("Domain function level changed!")
1056
1057             if forest_level is not None:
1058                 if forest_level == "2003":
1059                     new_level_forest = DS_DOMAIN_FUNCTION_2003
1060                 elif forest_level == "2008":
1061                     new_level_forest = DS_DOMAIN_FUNCTION_2008
1062                 elif forest_level == "2008_R2":
1063                     new_level_forest = DS_DOMAIN_FUNCTION_2008_R2
1064                 if new_level_forest <= level_forest:
1065                     raise CommandError("Forest function level can't be smaller than or equal to the actual one!")
1066                 if new_level_forest > level_domain:
1067                     raise CommandError("Forest function level can't be higher than the domain function level(s). Please raise it/them first!")
1068                 m = ldb.Message()
1069                 m.dn = ldb.Dn(samdb, "CN=Partitions,%s" % samdb.get_config_basedn())
1070                 m["msDS-Behavior-Version"]= ldb.MessageElement(
1071                   str(new_level_forest), ldb.FLAG_MOD_REPLACE,
1072                           "msDS-Behavior-Version")
1073                 samdb.modify(m)
1074                 msgs.append("Forest function level changed!")
1075             msgs.append("All changes applied successfully!")
1076             self.message("\n".join(msgs))
1077         else:
1078             raise CommandError("invalid argument: '%s' (choose from 'show', 'raise')" % subcommand)
1079
1080
1081 class cmd_domain_passwordsettings(Command):
1082     """Set password settings.
1083
1084     Password complexity, history length, minimum password length, the minimum
1085     and maximum password age) on a Samba4 server.
1086     """
1087
1088     synopsis = "%prog (show|set <options>) [options]"
1089
1090     takes_optiongroups = {
1091         "sambaopts": options.SambaOptions,
1092         "versionopts": options.VersionOptions,
1093         "credopts": options.CredentialsOptions,
1094         }
1095
1096     takes_options = [
1097         Option("-H", "--URL", help="LDB URL for database or target server", type=str,
1098                metavar="URL", dest="H"),
1099         Option("--quiet", help="Be quiet", action="store_true"),
1100         Option("--complexity", type="choice", choices=["on","off","default"],
1101           help="The password complexity (on | off | default). Default is 'on'"),
1102         Option("--store-plaintext", type="choice", choices=["on","off","default"],
1103           help="Store plaintext passwords where account have 'store passwords with reversible encryption' set (on | off | default). Default is 'off'"),
1104         Option("--history-length",
1105           help="The password history length (<integer> | default).  Default is 24.", type=str),
1106         Option("--min-pwd-length",
1107           help="The minimum password length (<integer> | default).  Default is 7.", type=str),
1108         Option("--min-pwd-age",
1109           help="The minimum password age (<integer in days> | default).  Default is 1.", type=str),
1110         Option("--max-pwd-age",
1111           help="The maximum password age (<integer in days> | default).  Default is 43.", type=str),
1112           ]
1113
1114     takes_args = ["subcommand"]
1115
1116     def run(self, subcommand, H=None, min_pwd_age=None, max_pwd_age=None,
1117             quiet=False, complexity=None, store_plaintext=None, history_length=None,
1118             min_pwd_length=None, credopts=None, sambaopts=None,
1119             versionopts=None):
1120         lp = sambaopts.get_loadparm()
1121         creds = credopts.get_credentials(lp)
1122
1123         samdb = SamDB(url=H, session_info=system_session(),
1124             credentials=creds, lp=lp)
1125
1126         domain_dn = samdb.domain_dn()
1127         res = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
1128           attrs=["pwdProperties", "pwdHistoryLength", "minPwdLength",
1129                  "minPwdAge", "maxPwdAge"])
1130         assert(len(res) == 1)
1131         try:
1132             pwd_props = int(res[0]["pwdProperties"][0])
1133             pwd_hist_len = int(res[0]["pwdHistoryLength"][0])
1134             cur_min_pwd_len = int(res[0]["minPwdLength"][0])
1135             # ticks -> days
1136             cur_min_pwd_age = int(abs(int(res[0]["minPwdAge"][0])) / (1e7 * 60 * 60 * 24))
1137             if int(res[0]["maxPwdAge"][0]) == -0x8000000000000000:
1138                 cur_max_pwd_age = 0
1139             else:
1140                 cur_max_pwd_age = int(abs(int(res[0]["maxPwdAge"][0])) / (1e7 * 60 * 60 * 24))
1141         except Exception, e:
1142             raise CommandError("Could not retrieve password properties!", e)
1143
1144         if subcommand == "show":
1145             self.message("Password informations for domain '%s'" % domain_dn)
1146             self.message("")
1147             if pwd_props & DOMAIN_PASSWORD_COMPLEX != 0:
1148                 self.message("Password complexity: on")
1149             else:
1150                 self.message("Password complexity: off")
1151             if pwd_props & DOMAIN_PASSWORD_STORE_CLEARTEXT != 0:
1152                 self.message("Store plaintext passwords: on")
1153             else:
1154                 self.message("Store plaintext passwords: off")
1155             self.message("Password history length: %d" % pwd_hist_len)
1156             self.message("Minimum password length: %d" % cur_min_pwd_len)
1157             self.message("Minimum password age (days): %d" % cur_min_pwd_age)
1158             self.message("Maximum password age (days): %d" % cur_max_pwd_age)
1159         elif subcommand == "set":
1160             msgs = []
1161             m = ldb.Message()
1162             m.dn = ldb.Dn(samdb, domain_dn)
1163
1164             if complexity is not None:
1165                 if complexity == "on" or complexity == "default":
1166                     pwd_props = pwd_props | DOMAIN_PASSWORD_COMPLEX
1167                     msgs.append("Password complexity activated!")
1168                 elif complexity == "off":
1169                     pwd_props = pwd_props & (~DOMAIN_PASSWORD_COMPLEX)
1170                     msgs.append("Password complexity deactivated!")
1171
1172             if store_plaintext is not None:
1173                 if store_plaintext == "on" or store_plaintext == "default":
1174                     pwd_props = pwd_props | DOMAIN_PASSWORD_STORE_CLEARTEXT
1175                     msgs.append("Plaintext password storage for changed passwords activated!")
1176                 elif store_plaintext == "off":
1177                     pwd_props = pwd_props & (~DOMAIN_PASSWORD_STORE_CLEARTEXT)
1178                     msgs.append("Plaintext password storage for changed passwords deactivated!")
1179
1180             if complexity is not None or store_plaintext is not None:
1181                 m["pwdProperties"] = ldb.MessageElement(str(pwd_props),
1182                   ldb.FLAG_MOD_REPLACE, "pwdProperties")
1183
1184             if history_length is not None:
1185                 if history_length == "default":
1186                     pwd_hist_len = 24
1187                 else:
1188                     pwd_hist_len = int(history_length)
1189
1190                 if pwd_hist_len < 0 or pwd_hist_len > 24:
1191                     raise CommandError("Password history length must be in the range of 0 to 24!")
1192
1193                 m["pwdHistoryLength"] = ldb.MessageElement(str(pwd_hist_len),
1194                   ldb.FLAG_MOD_REPLACE, "pwdHistoryLength")
1195                 msgs.append("Password history length changed!")
1196
1197             if min_pwd_length is not None:
1198                 if min_pwd_length == "default":
1199                     min_pwd_len = 7
1200                 else:
1201                     min_pwd_len = int(min_pwd_length)
1202
1203                 if min_pwd_len < 0 or min_pwd_len > 14:
1204                     raise CommandError("Minimum password length must be in the range of 0 to 14!")
1205
1206                 m["minPwdLength"] = ldb.MessageElement(str(min_pwd_len),
1207                   ldb.FLAG_MOD_REPLACE, "minPwdLength")
1208                 msgs.append("Minimum password length changed!")
1209
1210             if min_pwd_age is not None:
1211                 if min_pwd_age == "default":
1212                     min_pwd_age = 1
1213                 else:
1214                     min_pwd_age = int(min_pwd_age)
1215
1216                 if min_pwd_age < 0 or min_pwd_age > 998:
1217                     raise CommandError("Minimum password age must be in the range of 0 to 998!")
1218
1219                 # days -> ticks
1220                 min_pwd_age_ticks = -int(min_pwd_age * (24 * 60 * 60 * 1e7))
1221
1222                 m["minPwdAge"] = ldb.MessageElement(str(min_pwd_age_ticks),
1223                   ldb.FLAG_MOD_REPLACE, "minPwdAge")
1224                 msgs.append("Minimum password age changed!")
1225
1226             if max_pwd_age is not None:
1227                 if max_pwd_age == "default":
1228                     max_pwd_age = 43
1229                 else:
1230                     max_pwd_age = int(max_pwd_age)
1231
1232                 if max_pwd_age < 0 or max_pwd_age > 999:
1233                     raise CommandError("Maximum password age must be in the range of 0 to 999!")
1234
1235                 # days -> ticks
1236                 if max_pwd_age == 0:
1237                     max_pwd_age_ticks = -0x8000000000000000
1238                 else:
1239                     max_pwd_age_ticks = -int(max_pwd_age * (24 * 60 * 60 * 1e7))
1240
1241                 m["maxPwdAge"] = ldb.MessageElement(str(max_pwd_age_ticks),
1242                   ldb.FLAG_MOD_REPLACE, "maxPwdAge")
1243                 msgs.append("Maximum password age changed!")
1244
1245             if max_pwd_age > 0 and min_pwd_age >= max_pwd_age:
1246                 raise CommandError("Maximum password age (%d) must be greater than minimum password age (%d)!" % (max_pwd_age, min_pwd_age))
1247
1248             if len(m) == 0:
1249                 raise CommandError("You must specify at least one option to set. Try --help")
1250             samdb.modify(m)
1251             msgs.append("All changes applied successfully!")
1252             self.message("\n".join(msgs))
1253         else:
1254             raise CommandError("Wrong argument '%s'!" % subcommand)
1255
1256
1257 class cmd_domain_classicupgrade(Command):
1258     """Upgrade from Samba classic (NT4-like) database to Samba AD DC database.
1259
1260     Specify either a directory with all Samba classic DC databases and state files (with --dbdir) or
1261     the testparm utility from your classic installation (with --testparm).
1262     """
1263
1264     synopsis = "%prog [options] <classic_smb_conf>"
1265
1266     takes_optiongroups = {
1267         "sambaopts": options.SambaOptions,
1268         "versionopts": options.VersionOptions
1269     }
1270
1271     takes_options = [
1272         Option("--dbdir", type="string", metavar="DIR",
1273                   help="Path to samba classic DC database directory"),
1274         Option("--testparm", type="string", metavar="PATH",
1275                   help="Path to samba classic DC testparm utility from the previous installation.  This allows the default paths of the previous installation to be followed"),
1276         Option("--targetdir", type="string", metavar="DIR",
1277                   help="Path prefix where the new Samba 4.0 AD domain should be initialised"),
1278         Option("--quiet", help="Be quiet", action="store_true"),
1279         Option("--verbose", help="Be verbose", action="store_true"),
1280         Option("--use-xattrs", type="choice", choices=["yes","no","auto"], metavar="[yes|no|auto]",
1281                    help="Define if we should use the native fs capabilities or a tdb file for storing attributes likes ntacl, auto tries to make an inteligent guess based on the user rights and system capabilities", default="auto"),
1282         Option("--use-ntvfs", help="Use NTVFS for the fileserver (default = no)",
1283                action="store_true"),
1284         Option("--dns-backend", type="choice", metavar="NAMESERVER-BACKEND",
1285                choices=["SAMBA_INTERNAL", "BIND9_FLATFILE", "BIND9_DLZ", "NONE"],
1286                help="The DNS server backend. SAMBA_INTERNAL is the builtin name server (default), "
1287                    "BIND9_FLATFILE uses bind9 text database to store zone information, "
1288                    "BIND9_DLZ uses samba4 AD to store zone information, "
1289                    "NONE skips the DNS setup entirely (this DC will not be a DNS server)",
1290                default="SAMBA_INTERNAL")
1291     ]
1292
1293     takes_args = ["smbconf"]
1294
1295     def run(self, smbconf=None, targetdir=None, dbdir=None, testparm=None,
1296             quiet=False, verbose=False, use_xattrs=None, sambaopts=None, versionopts=None,
1297             dns_backend=None, use_ntvfs=False):
1298
1299         if not os.path.exists(smbconf):
1300             raise CommandError("File %s does not exist" % smbconf)
1301
1302         if testparm and not os.path.exists(testparm):
1303             raise CommandError("Testparm utility %s does not exist" % testparm)
1304
1305         if dbdir and not os.path.exists(dbdir):
1306             raise CommandError("Directory %s does not exist" % dbdir)
1307
1308         if not dbdir and not testparm:
1309             raise CommandError("Please specify either dbdir or testparm")
1310
1311         logger = self.get_logger()
1312         if verbose:
1313             logger.setLevel(logging.DEBUG)
1314         elif quiet:
1315             logger.setLevel(logging.WARNING)
1316         else:
1317             logger.setLevel(logging.INFO)
1318
1319         if dbdir and testparm:
1320             logger.warning("both dbdir and testparm specified, ignoring dbdir.")
1321             dbdir = None
1322
1323         lp = sambaopts.get_loadparm()
1324
1325         s3conf = s3param.get_context()
1326
1327         if sambaopts.realm:
1328             s3conf.set("realm", sambaopts.realm)
1329
1330         if targetdir is not None:
1331             if not os.path.isdir(targetdir):
1332                 os.mkdir(targetdir)
1333
1334         eadb = True
1335         if use_xattrs == "yes":
1336             eadb = False
1337         elif use_xattrs == "auto" and not s3conf.get("posix:eadb"):
1338             if targetdir:
1339                 tmpfile = tempfile.NamedTemporaryFile(dir=os.path.abspath(targetdir))
1340             else:
1341                 tmpfile = tempfile.NamedTemporaryFile(dir=os.path.abspath(os.path.dirname(lp.get("private dir"))))
1342             try:
1343                 try:
1344                     samba.ntacls.setntacl(lp, tmpfile.name,
1345                                 "O:S-1-5-32G:S-1-5-32", "S-1-5-32", "native")
1346                     eadb = False
1347                 except Exception:
1348                     # FIXME: Don't catch all exceptions here
1349                     logger.info("You are not root or your system do not support xattr, using tdb backend for attributes. "
1350                                 "If you intend to use this provision in production, rerun the script as root on a system supporting xattrs.")
1351             finally:
1352                 tmpfile.close()
1353
1354         # Set correct default values from dbdir or testparm
1355         paths = {}
1356         if dbdir:
1357             paths["state directory"] = dbdir
1358             paths["private dir"] = dbdir
1359             paths["lock directory"] = dbdir
1360             paths["smb passwd file"] = dbdir + "/smbpasswd"
1361         else:
1362             paths["state directory"] = get_testparm_var(testparm, smbconf, "state directory")
1363             paths["private dir"] = get_testparm_var(testparm, smbconf, "private dir")
1364             paths["smb passwd file"] = get_testparm_var(testparm, smbconf, "smb passwd file")
1365             paths["lock directory"] = get_testparm_var(testparm, smbconf, "lock directory")
1366             # "testparm" from Samba 3 < 3.4.x is not aware of the parameter
1367             # "state directory", instead make use of "lock directory"
1368             if len(paths["state directory"]) == 0:
1369                 paths["state directory"] = paths["lock directory"]
1370
1371         for p in paths:
1372             s3conf.set(p, paths[p])
1373
1374         # load smb.conf parameters
1375         logger.info("Reading smb.conf")
1376         s3conf.load(smbconf)
1377         samba3 = Samba3(smbconf, s3conf)
1378
1379         logger.info("Provisioning")
1380         upgrade_from_samba3(samba3, logger, targetdir, session_info=system_session(),
1381                             useeadb=eadb, dns_backend=dns_backend, use_ntvfs=use_ntvfs)
1382
1383
1384 class cmd_domain_samba3upgrade(cmd_domain_classicupgrade):
1385     __doc__ = cmd_domain_classicupgrade.__doc__
1386
1387     # This command is present for backwards compatibility only,
1388     # and should not be shown.
1389
1390     hidden = True
1391
1392
1393 class cmd_domain(SuperCommand):
1394     """Domain management."""
1395
1396     subcommands = {}
1397     subcommands["demote"] = cmd_domain_demote()
1398     if cmd_domain_export_keytab is not None:
1399         subcommands["exportkeytab"] = cmd_domain_export_keytab()
1400     subcommands["info"] = cmd_domain_info()
1401     subcommands["provision"] = cmd_domain_provision()
1402     subcommands["join"] = cmd_domain_join()
1403     subcommands["dcpromo"] = cmd_domain_dcpromo()
1404     subcommands["level"] = cmd_domain_level()
1405     subcommands["passwordsettings"] = cmd_domain_passwordsettings()
1406     subcommands["classicupgrade"] = cmd_domain_classicupgrade()
1407     subcommands["samba3upgrade"] = cmd_domain_samba3upgrade()