source4/scripting/python/samba/netcmd/domain.py

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