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 2007-2012
   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     takes_args = []
 218
 219     def run(self, sambaopts=None, credopts=None, versionopts=None,
 220             interactive=None,
 221             domain=None,
 222             domain_guid=None,
 223             domain_sid=None,
 224             ntds_guid=None,
 225             invocationid=None,
 226             host_name=None,
 227             host_ip=None,
 228             host_ip6=None,
 229             adminpass=None,
 230             krbtgtpass=None,
 231             machinepass=None,
 232             dns_backend=None,
 233             dns_forwarder=None,
 234             dnspass=None,
 235             ldapadminpass=None,
 236             root=None,
 237             nobody=None,
 238             users=None,
 239             quiet=None,
 240             blank=None,
 241             ldap_backend_type=None,
 242             server_role=None,
 243             function_level=None,
 244             next_rid=None,
 245             partitions_only=None,
 246             targetdir=None,
 247             ol_mmr_urls=None,
 248             use_xattrs=None,
 249             use_ntvfs=None,
 250             use_rfc2307=None):
 251
 252         self.logger = self.get_logger("provision")
 253         if quiet:
 254             self.logger.setLevel(logging.WARNING)
 255         else:
 256             self.logger.setLevel(logging.INFO)
 257
 258         lp = sambaopts.get_loadparm()
 259         smbconf = lp.configfile
 260
 261         creds = credopts.get_credentials(lp)
 262
 263         creds.set_kerberos_state(DONT_USE_KERBEROS)
 264
 265         if dns_forwarder is not None:
 266             suggested_forwarder = dns_forwarder
 267         else:
 268             suggested_forwarder = self._get_nameserver_ip()
 269             if suggested_forwarder is None:
 270                 suggested_forwarder = "none"
 271
 272         if len(self.raw_argv) == 1:
 273             interactive = True
 274
 275         if interactive:
 276             from getpass import getpass
 277             import socket
 278
 279             def ask(prompt, default=None):
 280                 if default is not None:
 281                     print "%s [%s]: " % (prompt, default),
 282                 else:
 283                     print "%s: " % (prompt,),
 284                 return sys.stdin.readline().rstrip("\n") or default
 285
 286             try:
 287                 default = socket.getfqdn().split(".", 1)[1].upper()
 288             except IndexError:
 289                 default = None
 290             realm = ask("Realm", default)
 291             if realm in (None, ""):
 292                 raise CommandError("No realm set!")
 293
 294             try:
 295                 default = realm.split(".")[0]
 296             except IndexError:
 297                 default = None
 298             domain = ask("Domain", default)
 299             if domain is None:
 300                 raise CommandError("No domain set!")
 301
 302             server_role = ask("Server Role (dc, member, standalone)", "dc")
 303
 304             dns_backend = ask("DNS backend (SAMBA_INTERNAL, BIND9_FLATFILE, BIND9_DLZ, NONE)", "SAMBA_INTERNAL")
 305             if dns_backend in (None, ''):
 306                 raise CommandError("No DNS backend set!")
 307
 308             if dns_backend == "SAMBA_INTERNAL":
 309                 dns_forwarder = ask("DNS forwarder IP address (write 'none' to disable forwarding)", suggested_forwarder)
 310                 if dns_forwarder.lower() in (None, 'none'):
 311                     suggested_forwarder = None
 312                     dns_forwarder = None
 313
 314             while True:
 315                 adminpassplain = getpass("Administrator password: ")
 316                 if not adminpassplain:
 317                     self.errf.write("Invalid administrator password.\n")
 318                 else:
 319                     adminpassverify = getpass("Retype password: ")
 320                     if not adminpassplain == adminpassverify:
 321                         self.errf.write("Sorry, passwords do not match.\n")
 322                     else:
 323                         adminpass = adminpassplain
 324                         break
 325
 326         else:
 327             realm = sambaopts._lp.get('realm')
 328             if realm is None:
 329                 raise CommandError("No realm set!")
 330             if domain is None:
 331                 raise CommandError("No domain set!")
 332
 333         if not adminpass:
 334             self.logger.info("Administrator password will be set randomly!")
 335
 336         if function_level == "2000":
 337             dom_for_fun_level = DS_DOMAIN_FUNCTION_2000
 338         elif function_level == "2003":
 339             dom_for_fun_level = DS_DOMAIN_FUNCTION_2003
 340         elif function_level == "2008":
 341             dom_for_fun_level = DS_DOMAIN_FUNCTION_2008
 342         elif function_level == "2008_R2":
 343             dom_for_fun_level = DS_DOMAIN_FUNCTION_2008_R2
 344
 345         if dns_backend == "SAMBA_INTERNAL" and dns_forwarder is None:
 346             dns_forwarder = suggested_forwarder
 347
 348         samdb_fill = FILL_FULL
 349         if blank:
 350             samdb_fill = FILL_NT4SYNC
 351         elif partitions_only:
 352             samdb_fill = FILL_DRS
 353
 354         if targetdir is not None:
 355             if not os.path.isdir(targetdir):
 356                 os.mkdir(targetdir)
 357
 358         eadb = True
 359
 360         if use_xattrs == "yes":
 361             eadb = False
 362         elif use_xattrs == "auto" and not lp.get("posix:eadb"):
 363             if targetdir:
 364                 file = tempfile.NamedTemporaryFile(dir=os.path.abspath(targetdir))
 365             else:
 366                 file = tempfile.NamedTemporaryFile(dir=os.path.abspath(os.path.dirname(lp.get("private dir"))))
 367             try:
 368                 try:
 369                     samba.ntacls.setntacl(lp, file.name,
 370                                           "O:S-1-5-32G:S-1-5-32", "S-1-5-32", "native")
 371                     eadb = False
 372                 except Exception:
 373                     self.logger.info("You are not root or your system do not support xattr, using tdb backend for attributes. ")
 374             finally:
 375                 file.close()
 376
 377         if eadb:
 378             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.")
 379
 380         session = system_session()
 381         try:
 382             result = provision(self.logger,
 383                   session, creds, smbconf=smbconf, targetdir=targetdir,
 384                   samdb_fill=samdb_fill, realm=realm, domain=domain,
 385                   domainguid=domain_guid, domainsid=domain_sid,
 386                   hostname=host_name,
 387                   hostip=host_ip, hostip6=host_ip6,
 388                   ntdsguid=ntds_guid,
 389                   invocationid=invocationid, adminpass=adminpass,
 390                   krbtgtpass=krbtgtpass, machinepass=machinepass,
 391                   dns_backend=dns_backend, dns_forwarder=dns_forwarder,
 392                   dnspass=dnspass, root=root, nobody=nobody,
 393                   users=users,
 394                   serverrole=server_role, dom_for_fun_level=dom_for_fun_level,
 395                   backend_type=ldap_backend_type,
 396                   ldapadminpass=ldapadminpass, ol_mmr_urls=ol_mmr_urls,
 397                   useeadb=eadb, next_rid=next_rid, lp=lp, use_ntvfs=use_ntvfs,
 398                   use_rfc2307=use_rfc2307, skip_sysvolacl=False)
 399         except ProvisioningError, e:
 400             raise CommandError("Provision failed", e)
 401
 402         result.report_logger(self.logger)
 403
 404     def _get_nameserver_ip(self):
 405         """Grab the nameserver IP address from /etc/resolv.conf."""
 406         from os import path
 407         RESOLV_CONF="/etc/resolv.conf"
 408
 409         if not path.isfile(RESOLV_CONF):
 410             self.logger.warning("Failed to locate %s" % RESOLV_CONF)
 411             return None
 412
 413         handle = None
 414         try:
 415             handle = open(RESOLV_CONF, 'r')
 416             for line in handle:
 417                 if not line.startswith('nameserver'):
 418                     continue
 419                 # we want the last non-space continuous string of the line
 420                 return line.strip().split()[-1]
 421         finally:
 422             if handle is not None:
 423                 handle.close()
 424
 425         self.logger.warning("No nameserver found in %s" % RESOLV_CONF)
 426
 427
 428 class cmd_domain_dcpromo(Command):
 429     """Promote 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,
 481                     dns_backend=dns_backend,
 482                     promote_existing=True)
 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         else:
 490             raise CommandError("Invalid role '%s' (possible values: DC, RODC)" % role)
 491
 492
 493 class cmd_domain_join(Command):
 494     """Join domain as either member or backup domain controller."""
 495
 496     synopsis = "%prog <dnsdomain> [DC|RODC|MEMBER|SUBDOMAIN] [options]"
 497
 498     takes_optiongroups = {
 499         "sambaopts": options.SambaOptions,
 500         "versionopts": options.VersionOptions,
 501         "credopts": options.CredentialsOptions,
 502     }
 503
 504     takes_options = [
 505         Option("--server", help="DC to join", type=str),
 506         Option("--site", help="site to join", type=str),
 507         Option("--targetdir", help="where to store provision", type=str),
 508         Option("--parent-domain", help="parent domain to create subdomain under", type=str),
 509         Option("--domain-critical-only",
 510                help="only replicate critical domain objects",
 511                action="store_true"),
 512         Option("--machinepass", type=str, metavar="PASSWORD",
 513                help="choose machine password (otherwise random)"),
 514         Option("--use-ntvfs", help="Use NTVFS for the fileserver (default = no)",
 515                action="store_true"),
 516         Option("--dns-backend", type="choice", metavar="NAMESERVER-BACKEND",
 517                choices=["SAMBA_INTERNAL", "BIND9_DLZ", "NONE"],
 518                help="The DNS server backend. SAMBA_INTERNAL is the builtin name server (default), "
 519                    "BIND9_DLZ uses samba4 AD to store zone information, "
 520                    "NONE skips the DNS setup entirely (this DC will not be a DNS server)",
 521                default="SAMBA_INTERNAL")
 522        ]
 523
 524     takes_args = ["domain", "role?"]
 525
 526     def run(self, domain, role=None, sambaopts=None, credopts=None,
 527             versionopts=None, server=None, site=None, targetdir=None,
 528             domain_critical_only=False, parent_domain=None, machinepass=None,
 529             use_ntvfs=False, dns_backend=None):
 530         lp = sambaopts.get_loadparm()
 531         creds = credopts.get_credentials(lp)
 532         net = Net(creds, lp, server=credopts.ipaddress)
 533
 534         if site is None:
 535             site = "Default-First-Site-Name"
 536
 537         netbios_name = lp.get("netbios name")
 538
 539         if not role is None:
 540             role = role.upper()
 541
 542         if role is None or role == "MEMBER":
 543             (join_password, sid, domain_name) = net.join_member(
 544                 domain, netbios_name, LIBNET_JOIN_AUTOMATIC,
 545                 machinepass=machinepass)
 546
 547             self.errf.write("Joined domain %s (%s)\n" % (domain_name, sid))
 548         elif role == "DC":
 549             join_DC(server=server, creds=creds, lp=lp, domain=domain,
 550                     site=site, netbios_name=netbios_name, targetdir=targetdir,
 551                     domain_critical_only=domain_critical_only,
 552                     machinepass=machinepass, use_ntvfs=use_ntvfs, dns_backend=dns_backend)
 553         elif role == "RODC":
 554             join_RODC(server=server, creds=creds, lp=lp, domain=domain,
 555                       site=site, netbios_name=netbios_name, targetdir=targetdir,
 556                       domain_critical_only=domain_critical_only,
 557                       machinepass=machinepass, use_ntvfs=use_ntvfs,
 558                       dns_backend=dns_backend)
 559         elif role == "SUBDOMAIN":
 560             netbios_domain = lp.get("workgroup")
 561             if parent_domain is None:
 562                 parent_domain = ".".join(domain.split(".")[1:])
 563             join_subdomain(server=server, creds=creds, lp=lp, dnsdomain=domain,
 564                     parent_domain=parent_domain, site=site,
 565                     netbios_name=netbios_name, netbios_domain=netbios_domain,
 566                     targetdir=targetdir, machinepass=machinepass,
 567                     use_ntvfs=use_ntvfs, dns_backend=dns_backend)
 568         else:
 569             raise CommandError("Invalid role '%s' (possible values: MEMBER, DC, RODC, SUBDOMAIN)" % role)
 570
 571
 572 class cmd_domain_demote(Command):
 573     """Demote ourselves from the role of Domain Controller."""
 574
 575     synopsis = "%prog [options]"
 576
 577     takes_options = [
 578         Option("--server", help="DC to force replication before demote", type=str),
 579         Option("--targetdir", help="where provision is stored", type=str),
 580         ]
 581
 582     takes_optiongroups = {
 583         "sambaopts": options.SambaOptions,
 584         "credopts": options.CredentialsOptions,
 585         "versionopts": options.VersionOptions,
 586         }
 587
 588     def run(self, sambaopts=None, credopts=None,
 589             versionopts=None, server=None, targetdir=None):
 590         lp = sambaopts.get_loadparm()
 591         creds = credopts.get_credentials(lp)
 592         net = Net(creds, lp, server=credopts.ipaddress)
 593
 594         netbios_name = lp.get("netbios name")
 595         samdb = SamDB(session_info=system_session(), credentials=creds, lp=lp)
 596         if not server:
 597             res = samdb.search(expression='(&(objectClass=computer)(serverReferenceBL=*))', attrs=["dnsHostName", "name"])
 598             if (len(res) == 0):
 599                 raise CommandError("Unable to search for servers")
 600
 601             if (len(res) == 1):
 602                 raise CommandError("You are the latest server in the domain")
 603
 604             server = None
 605             for e in res:
 606                 if str(e["name"]).lower() != netbios_name.lower():
 607                     server = e["dnsHostName"]
 608                     break
 609
 610         ntds_guid = samdb.get_ntds_GUID()
 611         msg = samdb.search(base=str(samdb.get_config_basedn()),
 612             scope=ldb.SCOPE_SUBTREE, expression="(objectGUID=%s)" % ntds_guid,
 613             attrs=['options'])
 614         if len(msg) == 0 or "options" not in msg[0]:
 615             raise CommandError("Failed to find options on %s" % ntds_guid)
 616
 617         ntds_dn = msg[0].dn
 618         dsa_options = int(str(msg[0]['options']))
 619
 620         res = samdb.search(expression="(fSMORoleOwner=%s)" % str(ntds_dn),
 621                             controls=["search_options:1:2"])
 622
 623         if len(res) != 0:
 624             raise CommandError("Current DC is still the owner of %d role(s), use the role command to transfer roles to another DC" % len(res))
 625
 626         self.errf.write("Using %s as partner server for the demotion\n" %
 627                         server)
 628         (drsuapiBind, drsuapi_handle, supportedExtensions) = drsuapi_connect(server, lp, creds)
 629
 630         self.errf.write("Desactivating inbound replication\n")
 631
 632         nmsg = ldb.Message()
 633         nmsg.dn = msg[0].dn
 634
 635         dsa_options |= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 636         nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 637         samdb.modify(nmsg)
 638
 639         if not (dsa_options & DS_NTDSDSA_OPT_DISABLE_OUTBOUND_REPL) and not samdb.am_rodc():
 640
 641             self.errf.write("Asking partner server %s to synchronize from us\n"
 642                             % server)
 643             for part in (samdb.get_schema_basedn(),
 644                             samdb.get_config_basedn(),
 645                             samdb.get_root_basedn()):
 646                 try:
 647                     sendDsReplicaSync(drsuapiBind, drsuapi_handle, ntds_guid, str(part), drsuapi.DRSUAPI_DRS_WRIT_REP)
 648                 except drsException, e:
 649                     self.errf.write(
 650                         "Error while demoting, "
 651                         "re-enabling inbound replication\n")
 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             self.errf.write("Changing userControl and container\n")
 662             res = remote_samdb.search(base=str(remote_samdb.get_root_basedn()),
 663                                 expression="(&(objectClass=user)(sAMAccountName=%s$))" %
 664                                             netbios_name.upper(),
 665                                 attrs=["userAccountControl"])
 666             dc_dn = res[0].dn
 667             uac = int(str(res[0]["userAccountControl"]))
 668
 669         except Exception, e:
 670             self.errf.write(
 671                 "Error while demoting, re-enabling inbound replication\n")
 672             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 673             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 674             samdb.modify(nmsg)
 675             raise CommandError("Error while changing account control", e)
 676
 677         if (len(res) != 1):
 678             self.errf.write(
 679                 "Error while demoting, re-enabling inbound replication")
 680             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 681             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 682             samdb.modify(nmsg)
 683             raise CommandError("Unable to find object with samaccountName = %s$"
 684                                " in the remote dc" % netbios_name.upper())
 685
 686         olduac = uac
 687
 688         uac ^= (UF_SERVER_TRUST_ACCOUNT|UF_TRUSTED_FOR_DELEGATION)
 689         uac |= UF_WORKSTATION_TRUST_ACCOUNT
 690
 691         msg = ldb.Message()
 692         msg.dn = dc_dn
 693
 694         msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 695                                                         ldb.FLAG_MOD_REPLACE,
 696                                                         "userAccountControl")
 697         try:
 698             remote_samdb.modify(msg)
 699         except Exception, e:
 700             self.errf.write(
 701                 "Error while demoting, re-enabling inbound replication")
 702             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 703             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 704             samdb.modify(nmsg)
 705
 706             raise CommandError("Error while changing account control", e)
 707
 708         parent = msg.dn.parent()
 709         rdn = str(res[0].dn)
 710         rdn = string.replace(rdn, ",%s" % str(parent), "")
 711         # Let's move to the Computer container
 712         i = 0
 713         newrdn = rdn
 714
 715         computer_dn = ldb.Dn(remote_samdb, "CN=Computers,%s" % str(remote_samdb.get_root_basedn()))
 716         res = remote_samdb.search(base=computer_dn, expression=rdn, scope=ldb.SCOPE_ONELEVEL)
 717
 718         if (len(res) != 0):
 719             res = remote_samdb.search(base=computer_dn, expression="%s-%d" % (rdn, i),
 720                                         scope=ldb.SCOPE_ONELEVEL)
 721             while(len(res) != 0 and i < 100):
 722                 i = i + 1
 723                 res = remote_samdb.search(base=computer_dn, expression="%s-%d" % (rdn, i),
 724                                             scope=ldb.SCOPE_ONELEVEL)
 725
 726             if i == 100:
 727                 self.errf.write(
 728                     "Error while demoting, re-enabling inbound replication\n")
 729                 dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 730                 nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 731                 samdb.modify(nmsg)
 732
 733                 msg = ldb.Message()
 734                 msg.dn = dc_dn
 735
 736                 msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 737                                                         ldb.FLAG_MOD_REPLACE,
 738                                                         "userAccountControl")
 739
 740                 remote_samdb.modify(msg)
 741
 742                 raise CommandError("Unable to find a slot for renaming %s,"
 743                                     " all names from %s-1 to %s-%d seemed used" %
 744                                     (str(dc_dn), rdn, rdn, i - 9))
 745
 746             newrdn = "%s-%d" % (rdn, i)
 747
 748         try:
 749             newdn = ldb.Dn(remote_samdb, "%s,%s" % (newrdn, str(computer_dn)))
 750             remote_samdb.rename(dc_dn, newdn)
 751         except Exception, e:
 752             self.errf.write(
 753                 "Error while demoting, re-enabling inbound replication\n")
 754             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 755             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 756             samdb.modify(nmsg)
 757
 758             msg = ldb.Message()
 759             msg.dn = dc_dn
 760
 761             msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 762                                                     ldb.FLAG_MOD_REPLACE,
 763                                                     "userAccountControl")
 764
 765             remote_samdb.modify(msg)
 766             raise CommandError("Error while renaming %s to %s" % (str(dc_dn), str(newdn)), e)
 767
 768
 769         server_dsa_dn = samdb.get_serverName()
 770         domain = remote_samdb.get_root_basedn()
 771
 772         try:
 773             sendRemoveDsServer(drsuapiBind, drsuapi_handle, server_dsa_dn, domain)
 774         except drsException, e:
 775             self.errf.write(
 776                 "Error while demoting, re-enabling inbound replication\n")
 777             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 778             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 779             samdb.modify(nmsg)
 780
 781             msg = ldb.Message()
 782             msg.dn = newdn
 783
 784             msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 785                                                     ldb.FLAG_MOD_REPLACE,
 786                                                     "userAccountControl")
 787             print str(dc_dn)
 788             remote_samdb.modify(msg)
 789             remote_samdb.rename(newdn, dc_dn)
 790             raise CommandError("Error while sending a removeDsServer", e)
 791
 792         for s in ("CN=Entreprise,CN=Microsoft System Volumes,CN=System,CN=Configuration",
 793                   "CN=%s,CN=Microsoft System Volumes,CN=System,CN=Configuration" % lp.get("realm"),
 794                   "CN=Domain System Volumes (SYSVOL share),CN=File Replication Service,CN=System"):
 795             try:
 796                 remote_samdb.delete(ldb.Dn(remote_samdb,
 797                                     "%s,%s,%s" % (str(rdn), s, str(remote_samdb.get_root_basedn()))))
 798             except ldb.LdbError, l:
 799                 pass
 800
 801         for s in ("CN=Entreprise,CN=NTFRS Subscriptions",
 802                   "CN=%s, CN=NTFRS Subscriptions" % lp.get("realm"),
 803                   "CN=Domain system Volumes (SYSVOL Share), CN=NTFRS Subscriptions",
 804                   "CN=NTFRS Subscriptions"):
 805             try:
 806                 remote_samdb.delete(ldb.Dn(remote_samdb,
 807                                     "%s,%s" % (s, str(newdn))))
 808             except ldb.LdbError, l:
 809                 pass
 810
 811         self.errf.write("Demote successfull\n")
 812
 813
 814 class cmd_domain_level(Command):
 815     """Raise domain and forest function levels."""
 816
 817     synopsis = "%prog (show|raise <options>) [options]"
 818
 819     takes_optiongroups = {
 820         "sambaopts": options.SambaOptions,
 821         "credopts": options.CredentialsOptions,
 822         "versionopts": options.VersionOptions,
 823         }
 824
 825     takes_options = [
 826         Option("-H", "--URL", help="LDB URL for database or target server", type=str,
 827                metavar="URL", dest="H"),
 828         Option("--quiet", help="Be quiet", action="store_true"),
 829         Option("--forest-level", type="choice", choices=["2003", "2008", "2008_R2"],
 830             help="The forest function level (2003 | 2008 | 2008_R2)"),
 831         Option("--domain-level", type="choice", choices=["2003", "2008", "2008_R2"],
 832             help="The domain function level (2003 | 2008 | 2008_R2)")
 833             ]
 834
 835     takes_args = ["subcommand"]
 836
 837     def run(self, subcommand, H=None, forest_level=None, domain_level=None,
 838             quiet=False, credopts=None, sambaopts=None, versionopts=None):
 839         lp = sambaopts.get_loadparm()
 840         creds = credopts.get_credentials(lp, fallback_machine=True)
 841
 842         samdb = SamDB(url=H, session_info=system_session(),
 843             credentials=creds, lp=lp)
 844
 845         domain_dn = samdb.domain_dn()
 846
 847         res_forest = samdb.search("CN=Partitions,%s" % samdb.get_config_basedn(),
 848           scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
 849         assert len(res_forest) == 1
 850
 851         res_domain = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
 852           attrs=["msDS-Behavior-Version", "nTMixedDomain"])
 853         assert len(res_domain) == 1
 854
 855         res_dc_s = samdb.search("CN=Sites,%s" % samdb.get_config_basedn(),
 856           scope=ldb.SCOPE_SUBTREE, expression="(objectClass=nTDSDSA)",
 857           attrs=["msDS-Behavior-Version"])
 858         assert len(res_dc_s) >= 1
 859
 860         try:
 861             level_forest = int(res_forest[0]["msDS-Behavior-Version"][0])
 862             level_domain = int(res_domain[0]["msDS-Behavior-Version"][0])
 863             level_domain_mixed = int(res_domain[0]["nTMixedDomain"][0])
 864
 865             min_level_dc = int(res_dc_s[0]["msDS-Behavior-Version"][0]) # Init value
 866             for msg in res_dc_s:
 867                 if int(msg["msDS-Behavior-Version"][0]) < min_level_dc:
 868                     min_level_dc = int(msg["msDS-Behavior-Version"][0])
 869
 870             if level_forest < 0 or level_domain < 0:
 871                 raise CommandError("Domain and/or forest function level(s) is/are invalid. Correct them or reprovision!")
 872             if min_level_dc < 0:
 873                 raise CommandError("Lowest function level of a DC is invalid. Correct this or reprovision!")
 874             if level_forest > level_domain:
 875                 raise CommandError("Forest function level is higher than the domain level(s). Correct this or reprovision!")
 876             if level_domain > min_level_dc:
 877                 raise CommandError("Domain function level is higher than the lowest function level of a DC. Correct this or reprovision!")
 878
 879         except KeyError:
 880             raise CommandError("Could not retrieve the actual domain, forest level and/or lowest DC function level!")
 881
 882         if subcommand == "show":
 883             self.message("Domain and forest function level for domain '%s'" % domain_dn)
 884             if level_forest == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 885                 self.message("\nATTENTION: You run SAMBA 4 on a forest function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
 886             if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 887                 self.message("\nATTENTION: You run SAMBA 4 on a domain function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
 888             if min_level_dc == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 889                 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)!")
 890
 891             self.message("")
 892
 893             if level_forest == DS_DOMAIN_FUNCTION_2000:
 894                 outstr = "2000"
 895             elif level_forest == DS_DOMAIN_FUNCTION_2003_MIXED:
 896                 outstr = "2003 with mixed domains/interim (NT4 DC support)"
 897             elif level_forest == DS_DOMAIN_FUNCTION_2003:
 898                 outstr = "2003"
 899             elif level_forest == DS_DOMAIN_FUNCTION_2008:
 900                 outstr = "2008"
 901             elif level_forest == DS_DOMAIN_FUNCTION_2008_R2:
 902                 outstr = "2008 R2"
 903             else:
 904                 outstr = "higher than 2008 R2"
 905             self.message("Forest function level: (Windows) " + outstr)
 906
 907             if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 908                 outstr = "2000 mixed (NT4 DC support)"
 909             elif level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed == 0:
 910                 outstr = "2000"
 911             elif level_domain == DS_DOMAIN_FUNCTION_2003_MIXED:
 912                 outstr = "2003 with mixed domains/interim (NT4 DC support)"
 913             elif level_domain == DS_DOMAIN_FUNCTION_2003:
 914                 outstr = "2003"
 915             elif level_domain == DS_DOMAIN_FUNCTION_2008:
 916                 outstr = "2008"
 917             elif level_domain == DS_DOMAIN_FUNCTION_2008_R2:
 918                 outstr = "2008 R2"
 919             else:
 920                 outstr = "higher than 2008 R2"
 921             self.message("Domain function level: (Windows) " + outstr)
 922
 923             if min_level_dc == DS_DOMAIN_FUNCTION_2000:
 924                 outstr = "2000"
 925             elif min_level_dc == DS_DOMAIN_FUNCTION_2003:
 926                 outstr = "2003"
 927             elif min_level_dc == DS_DOMAIN_FUNCTION_2008:
 928                 outstr = "2008"
 929             elif min_level_dc == DS_DOMAIN_FUNCTION_2008_R2:
 930                 outstr = "2008 R2"
 931             else:
 932                 outstr = "higher than 2008 R2"
 933             self.message("Lowest function level of a DC: (Windows) " + outstr)
 934
 935         elif subcommand == "raise":
 936             msgs = []
 937
 938             if domain_level is not None:
 939                 if domain_level == "2003":
 940                     new_level_domain = DS_DOMAIN_FUNCTION_2003
 941                 elif domain_level == "2008":
 942                     new_level_domain = DS_DOMAIN_FUNCTION_2008
 943                 elif domain_level == "2008_R2":
 944                     new_level_domain = DS_DOMAIN_FUNCTION_2008_R2
 945
 946                 if new_level_domain <= level_domain and level_domain_mixed == 0:
 947                     raise CommandError("Domain function level can't be smaller than or equal to the actual one!")
 948
 949                 if new_level_domain > min_level_dc:
 950                     raise CommandError("Domain function level can't be higher than the lowest function level of a DC!")
 951
 952                 # Deactivate mixed/interim domain support
 953                 if level_domain_mixed != 0:
 954                     # Directly on the base DN
 955                     m = ldb.Message()
 956                     m.dn = ldb.Dn(samdb, domain_dn)
 957                     m["nTMixedDomain"] = ldb.MessageElement("0",
 958                       ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
 959                     samdb.modify(m)
 960                     # Under partitions
 961                     m = ldb.Message()
 962                     m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup") + ",CN=Partitions,%s" % samdb.get_config_basedn())
 963                     m["nTMixedDomain"] = ldb.MessageElement("0",
 964                       ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
 965                     try:
 966                         samdb.modify(m)
 967                     except ldb.LdbError, (enum, emsg):
 968                         if enum != ldb.ERR_UNWILLING_TO_PERFORM:
 969                             raise
 970
 971                 # Directly on the base DN
 972                 m = ldb.Message()
 973                 m.dn = ldb.Dn(samdb, domain_dn)
 974                 m["msDS-Behavior-Version"]= ldb.MessageElement(
 975                   str(new_level_domain), ldb.FLAG_MOD_REPLACE,
 976                             "msDS-Behavior-Version")
 977                 samdb.modify(m)
 978                 # Under partitions
 979                 m = ldb.Message()
 980                 m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup")
 981                   + ",CN=Partitions,%s" % samdb.get_config_basedn())
 982                 m["msDS-Behavior-Version"]= ldb.MessageElement(
 983                   str(new_level_domain), ldb.FLAG_MOD_REPLACE,
 984                           "msDS-Behavior-Version")
 985                 try:
 986                     samdb.modify(m)
 987                 except ldb.LdbError, (enum, emsg):
 988                     if enum != ldb.ERR_UNWILLING_TO_PERFORM:
 989                         raise
 990
 991                 level_domain = new_level_domain
 992                 msgs.append("Domain function level changed!")
 993
 994             if forest_level is not None:
 995                 if forest_level == "2003":
 996                     new_level_forest = DS_DOMAIN_FUNCTION_2003
 997                 elif forest_level == "2008":
 998                     new_level_forest = DS_DOMAIN_FUNCTION_2008
 999                 elif forest_level == "2008_R2":
1000                     new_level_forest = DS_DOMAIN_FUNCTION_2008_R2
1001                 if new_level_forest <= level_forest:
1002                     raise CommandError("Forest function level can't be smaller than or equal to the actual one!")
1003                 if new_level_forest > level_domain:
1004                     raise CommandError("Forest function level can't be higher than the domain function level(s). Please raise it/them first!")
1005                 m = ldb.Message()
1006                 m.dn = ldb.Dn(samdb, "CN=Partitions,%s" % samdb.get_config_basedn())
1007                 m["msDS-Behavior-Version"]= ldb.MessageElement(
1008                   str(new_level_forest), ldb.FLAG_MOD_REPLACE,
1009                           "msDS-Behavior-Version")
1010                 samdb.modify(m)
1011                 msgs.append("Forest function level changed!")
1012             msgs.append("All changes applied successfully!")
1013             self.message("\n".join(msgs))
1014         else:
1015             raise CommandError("invalid argument: '%s' (choose from 'show', 'raise')" % subcommand)
1016
1017
1018 class cmd_domain_passwordsettings(Command):
1019     """Set password settings.
1020
1021     Password complexity, history length, minimum password length, the minimum
1022     and maximum password age) on a Samba4 server.
1023     """
1024
1025     synopsis = "%prog (show|set <options>) [options]"
1026
1027     takes_optiongroups = {
1028         "sambaopts": options.SambaOptions,
1029         "versionopts": options.VersionOptions,
1030         "credopts": options.CredentialsOptions,
1031         }
1032
1033     takes_options = [
1034         Option("-H", "--URL", help="LDB URL for database or target server", type=str,
1035                metavar="URL", dest="H"),
1036         Option("--quiet", help="Be quiet", action="store_true"),
1037         Option("--complexity", type="choice", choices=["on","off","default"],
1038           help="The password complexity (on | off | default). Default is 'on'"),
1039         Option("--store-plaintext", type="choice", choices=["on","off","default"],
1040           help="Store plaintext passwords where account have 'store passwords with reversible encryption' set (on | off | default). Default is 'off'"),
1041         Option("--history-length",
1042           help="The password history length (<integer> | default).  Default is 24.", type=str),
1043         Option("--min-pwd-length",
1044           help="The minimum password length (<integer> | default).  Default is 7.", type=str),
1045         Option("--min-pwd-age",
1046           help="The minimum password age (<integer in days> | default).  Default is 1.", type=str),
1047         Option("--max-pwd-age",
1048           help="The maximum password age (<integer in days> | default).  Default is 43.", type=str),
1049           ]
1050
1051     takes_args = ["subcommand"]
1052
1053     def run(self, subcommand, H=None, min_pwd_age=None, max_pwd_age=None,
1054             quiet=False, complexity=None, store_plaintext=None, history_length=None,
1055             min_pwd_length=None, credopts=None, sambaopts=None,
1056             versionopts=None):
1057         lp = sambaopts.get_loadparm()
1058         creds = credopts.get_credentials(lp)
1059
1060         samdb = SamDB(url=H, session_info=system_session(),
1061             credentials=creds, lp=lp)
1062
1063         domain_dn = samdb.domain_dn()
1064         res = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
1065           attrs=["pwdProperties", "pwdHistoryLength", "minPwdLength",
1066                  "minPwdAge", "maxPwdAge"])
1067         assert(len(res) == 1)
1068         try:
1069             pwd_props = int(res[0]["pwdProperties"][0])
1070             pwd_hist_len = int(res[0]["pwdHistoryLength"][0])
1071             cur_min_pwd_len = int(res[0]["minPwdLength"][0])
1072             # ticks -> days
1073             cur_min_pwd_age = int(abs(int(res[0]["minPwdAge"][0])) / (1e7 * 60 * 60 * 24))
1074             if int(res[0]["maxPwdAge"][0]) == -0x8000000000000000:
1075                 cur_max_pwd_age = 0
1076             else:
1077                 cur_max_pwd_age = int(abs(int(res[0]["maxPwdAge"][0])) / (1e7 * 60 * 60 * 24))
1078         except Exception, e:
1079             raise CommandError("Could not retrieve password properties!", e)
1080
1081         if subcommand == "show":
1082             self.message("Password informations for domain '%s'" % domain_dn)
1083             self.message("")
1084             if pwd_props & DOMAIN_PASSWORD_COMPLEX != 0:
1085                 self.message("Password complexity: on")
1086             else:
1087                 self.message("Password complexity: off")
1088             if pwd_props & DOMAIN_PASSWORD_STORE_CLEARTEXT != 0:
1089                 self.message("Store plaintext passwords: on")
1090             else:
1091                 self.message("Store plaintext passwords: off")
1092             self.message("Password history length: %d" % pwd_hist_len)
1093             self.message("Minimum password length: %d" % cur_min_pwd_len)
1094             self.message("Minimum password age (days): %d" % cur_min_pwd_age)
1095             self.message("Maximum password age (days): %d" % cur_max_pwd_age)
1096         elif subcommand == "set":
1097             msgs = []
1098             m = ldb.Message()
1099             m.dn = ldb.Dn(samdb, domain_dn)
1100
1101             if complexity is not None:
1102                 if complexity == "on" or complexity == "default":
1103                     pwd_props = pwd_props | DOMAIN_PASSWORD_COMPLEX
1104                     msgs.append("Password complexity activated!")
1105                 elif complexity == "off":
1106                     pwd_props = pwd_props & (~DOMAIN_PASSWORD_COMPLEX)
1107                     msgs.append("Password complexity deactivated!")
1108
1109             if store_plaintext is not None:
1110                 if store_plaintext == "on" or store_plaintext == "default":
1111                     pwd_props = pwd_props | DOMAIN_PASSWORD_STORE_CLEARTEXT
1112                     msgs.append("Plaintext password storage for changed passwords activated!")
1113                 elif store_plaintext == "off":
1114                     pwd_props = pwd_props & (~DOMAIN_PASSWORD_STORE_CLEARTEXT)
1115                     msgs.append("Plaintext password storage for changed passwords deactivated!")
1116
1117             if complexity is not None or store_plaintext is not None:
1118                 m["pwdProperties"] = ldb.MessageElement(str(pwd_props),
1119                   ldb.FLAG_MOD_REPLACE, "pwdProperties")
1120
1121             if history_length is not None:
1122                 if history_length == "default":
1123                     pwd_hist_len = 24
1124                 else:
1125                     pwd_hist_len = int(history_length)
1126
1127                 if pwd_hist_len < 0 or pwd_hist_len > 24:
1128                     raise CommandError("Password history length must be in the range of 0 to 24!")
1129
1130                 m["pwdHistoryLength"] = ldb.MessageElement(str(pwd_hist_len),
1131                   ldb.FLAG_MOD_REPLACE, "pwdHistoryLength")
1132                 msgs.append("Password history length changed!")
1133
1134             if min_pwd_length is not None:
1135                 if min_pwd_length == "default":
1136                     min_pwd_len = 7
1137                 else:
1138                     min_pwd_len = int(min_pwd_length)
1139
1140                 if min_pwd_len < 0 or min_pwd_len > 14:
1141                     raise CommandError("Minimum password length must be in the range of 0 to 14!")
1142
1143                 m["minPwdLength"] = ldb.MessageElement(str(min_pwd_len),
1144                   ldb.FLAG_MOD_REPLACE, "minPwdLength")
1145                 msgs.append("Minimum password length changed!")
1146
1147             if min_pwd_age is not None:
1148                 if min_pwd_age == "default":
1149                     min_pwd_age = 1
1150                 else:
1151                     min_pwd_age = int(min_pwd_age)
1152
1153                 if min_pwd_age < 0 or min_pwd_age > 998:
1154                     raise CommandError("Minimum password age must be in the range of 0 to 998!")
1155
1156                 # days -> ticks
1157                 min_pwd_age_ticks = -int(min_pwd_age * (24 * 60 * 60 * 1e7))
1158
1159                 m["minPwdAge"] = ldb.MessageElement(str(min_pwd_age_ticks),
1160                   ldb.FLAG_MOD_REPLACE, "minPwdAge")
1161                 msgs.append("Minimum password age changed!")
1162
1163             if max_pwd_age is not None:
1164                 if max_pwd_age == "default":
1165                     max_pwd_age = 43
1166                 else:
1167                     max_pwd_age = int(max_pwd_age)
1168
1169                 if max_pwd_age < 0 or max_pwd_age > 999:
1170                     raise CommandError("Maximum password age must be in the range of 0 to 999!")
1171
1172                 # days -> ticks
1173                 if max_pwd_age == 0:
1174                     max_pwd_age_ticks = -0x8000000000000000
1175                 else:
1176                     max_pwd_age_ticks = -int(max_pwd_age * (24 * 60 * 60 * 1e7))
1177
1178                 m["maxPwdAge"] = ldb.MessageElement(str(max_pwd_age_ticks),
1179                   ldb.FLAG_MOD_REPLACE, "maxPwdAge")
1180                 msgs.append("Maximum password age changed!")
1181
1182             if max_pwd_age > 0 and min_pwd_age >= max_pwd_age:
1183                 raise CommandError("Maximum password age (%d) must be greater than minimum password age (%d)!" % (max_pwd_age, min_pwd_age))
1184
1185             if len(m) == 0:
1186                 raise CommandError("You must specify at least one option to set. Try --help")
1187             samdb.modify(m)
1188             msgs.append("All changes applied successfully!")
1189             self.message("\n".join(msgs))
1190         else:
1191             raise CommandError("Wrong argument '%s'!" % subcommand)
1192
1193
1194 class cmd_domain_classicupgrade(Command):
1195     """Upgrade from Samba classic (NT4-like) database to Samba AD DC database.
1196
1197     Specify either a directory with all Samba classic DC databases and state files (with --dbdir) or
1198     the testparm utility from your classic installation (with --testparm).
1199     """
1200
1201     synopsis = "%prog [options] <classic_smb_conf>"
1202
1203     takes_optiongroups = {
1204         "sambaopts": options.SambaOptions,
1205         "versionopts": options.VersionOptions
1206     }
1207
1208     takes_options = [
1209         Option("--dbdir", type="string", metavar="DIR",
1210                   help="Path to samba classic DC database directory"),
1211         Option("--testparm", type="string", metavar="PATH",
1212                   help="Path to samba classic DC testparm utility from the previous installation.  This allows the default paths of the previous installation to be followed"),
1213         Option("--targetdir", type="string", metavar="DIR",
1214                   help="Path prefix where the new Samba 4.0 AD domain should be initialised"),
1215         Option("--quiet", help="Be quiet", action="store_true"),
1216         Option("--verbose", help="Be verbose", action="store_true"),
1217         Option("--use-xattrs", type="choice", choices=["yes","no","auto"], metavar="[yes|no|auto]",
1218                    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"),
1219         Option("--use-ntvfs", help="Use NTVFS for the fileserver (default = no)",
1220                action="store_true"),
1221         Option("--dns-backend", type="choice", metavar="NAMESERVER-BACKEND",
1222                choices=["SAMBA_INTERNAL", "BIND9_FLATFILE", "BIND9_DLZ", "NONE"],
1223                help="The DNS server backend. SAMBA_INTERNAL is the builtin name server (default), "
1224                    "BIND9_FLATFILE uses bind9 text database to store zone information, "
1225                    "BIND9_DLZ uses samba4 AD to store zone information, "
1226                    "NONE skips the DNS setup entirely (this DC will not be a DNS server)",
1227                default="SAMBA_INTERNAL")
1228     ]
1229
1230     takes_args = ["smbconf"]
1231
1232     def run(self, smbconf=None, targetdir=None, dbdir=None, testparm=None,
1233             quiet=False, verbose=False, use_xattrs=None, sambaopts=None, versionopts=None,
1234             dns_backend=None, use_ntvfs=False):
1235
1236         if not os.path.exists(smbconf):
1237             raise CommandError("File %s does not exist" % smbconf)
1238
1239         if testparm and not os.path.exists(testparm):
1240             raise CommandError("Testparm utility %s does not exist" % testparm)
1241
1242         if dbdir and not os.path.exists(dbdir):
1243             raise CommandError("Directory %s does not exist" % dbdir)
1244
1245         if not dbdir and not testparm:
1246             raise CommandError("Please specify either dbdir or testparm")
1247
1248         logger = self.get_logger()
1249         if verbose:
1250             logger.setLevel(logging.DEBUG)
1251         elif quiet:
1252             logger.setLevel(logging.WARNING)
1253         else:
1254             logger.setLevel(logging.INFO)
1255
1256         if dbdir and testparm:
1257             logger.warning("both dbdir and testparm specified, ignoring dbdir.")
1258             dbdir = None
1259
1260         lp = sambaopts.get_loadparm()
1261
1262         s3conf = s3param.get_context()
1263
1264         if sambaopts.realm:
1265             s3conf.set("realm", sambaopts.realm)
1266
1267         if targetdir is not None:
1268             if not os.path.isdir(targetdir):
1269                 os.mkdir(targetdir)
1270
1271         eadb = True
1272         if use_xattrs == "yes":
1273             eadb = False
1274         elif use_xattrs == "auto" and not s3conf.get("posix:eadb"):
1275             if targetdir:
1276                 tmpfile = tempfile.NamedTemporaryFile(dir=os.path.abspath(targetdir))
1277             else:
1278                 tmpfile = tempfile.NamedTemporaryFile(dir=os.path.abspath(os.path.dirname(lp.get("private dir"))))
1279             try:
1280                 try:
1281                     samba.ntacls.setntacl(lp, tmpfile.name,
1282                                 "O:S-1-5-32G:S-1-5-32", "S-1-5-32", "native")
1283                     eadb = False
1284                 except Exception:
1285                     # FIXME: Don't catch all exceptions here
1286                     logger.info("You are not root or your system do not support xattr, using tdb backend for attributes. "
1287                                 "If you intend to use this provision in production, rerun the script as root on a system supporting xattrs.")
1288             finally:
1289                 tmpfile.close()
1290
1291         # Set correct default values from dbdir or testparm
1292         paths = {}
1293         if dbdir:
1294             paths["state directory"] = dbdir
1295             paths["private dir"] = dbdir
1296             paths["lock directory"] = dbdir
1297             paths["smb passwd file"] = dbdir + "/smbpasswd"
1298         else:
1299             paths["state directory"] = get_testparm_var(testparm, smbconf, "state directory")
1300             paths["private dir"] = get_testparm_var(testparm, smbconf, "private dir")
1301             paths["smb passwd file"] = get_testparm_var(testparm, smbconf, "smb passwd file")
1302             paths["lock directory"] = get_testparm_var(testparm, smbconf, "lock directory")
1303             # "testparm" from Samba 3 < 3.4.x is not aware of the parameter
1304             # "state directory", instead make use of "lock directory"
1305             if len(paths["state directory"]) == 0:
1306                 paths["state directory"] = paths["lock directory"]
1307
1308         for p in paths:
1309             s3conf.set(p, paths[p])
1310
1311         # load smb.conf parameters
1312         logger.info("Reading smb.conf")
1313         s3conf.load(smbconf)
1314         samba3 = Samba3(smbconf, s3conf)
1315
1316         logger.info("Provisioning")
1317         upgrade_from_samba3(samba3, logger, targetdir, session_info=system_session(),
1318                             useeadb=eadb, dns_backend=dns_backend, use_ntvfs=use_ntvfs)
1319
1320
1321 class cmd_domain_samba3upgrade(cmd_domain_classicupgrade):
1322     __doc__ = cmd_domain_classicupgrade.__doc__
1323
1324     # This command is present for backwards compatibility only,
1325     # and should not be shown.
1326
1327     hidden = True
1328
1329
1330 class cmd_domain(SuperCommand):
1331     """Domain management."""
1332
1333     subcommands = {}
1334     subcommands["demote"] = cmd_domain_demote()
1335     if cmd_domain_export_keytab is not None:
1336         subcommands["exportkeytab"] = cmd_domain_export_keytab()
1337     subcommands["info"] = cmd_domain_info()
1338     subcommands["provision"] = cmd_domain_provision()
1339     subcommands["join"] = cmd_domain_join()
1340     subcommands["dcpromo"] = cmd_domain_dcpromo()
1341     subcommands["level"] = cmd_domain_level()
1342     subcommands["passwordsettings"] = cmd_domain_passwordsettings()
1343     subcommands["classicupgrade"] = cmd_domain_classicupgrade()
1344     subcommands["samba3upgrade"] = cmd_domain_samba3upgrade()