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     ProvisioningError
  71     )
  72
  73 from samba.provision.common import (
  74     FILL_FULL,
  75     FILL_NT4SYNC,
  76     FILL_DRS
  77 )
  78
  79 def get_testparm_var(testparm, smbconf, varname):
  80     cmd = "%s -s -l --parameter-name='%s' %s 2>/dev/null" % (testparm, varname, smbconf)
  81     output = os.popen(cmd, 'r').readline()
  82     return output.strip()
  83
  84 try:
  85    import samba.dckeytab
  86    class cmd_domain_export_keytab(Command):
  87        """Dump Kerberos keys of the domain into a keytab."""
  88
  89        synopsis = "%prog <keytab> [options]"
  90
  91        takes_optiongroups = {
  92            "sambaopts": options.SambaOptions,
  93            "credopts": options.CredentialsOptions,
  94            "versionopts": options.VersionOptions,
  95            }
  96
  97        takes_options = [
  98            Option("--principal", help="extract only this principal", type=str),
  99            ]
 100
 101        takes_args = ["keytab"]
 102
 103        def run(self, keytab, credopts=None, sambaopts=None, versionopts=None, principal=None):
 104            lp = sambaopts.get_loadparm()
 105            net = Net(None, lp)
 106            net.export_keytab(keytab=keytab, principal=principal)
 107 except:
 108    cmd_domain_export_keytab = None
 109
 110
 111 class cmd_domain_info(Command):
 112     """Print basic info about a domain and the DC passed as parameter."""
 113
 114     synopsis = "%prog <ip_address> [options]"
 115
 116     takes_options = [
 117         ]
 118
 119     takes_optiongroups = {
 120         "sambaopts": options.SambaOptions,
 121         "credopts": options.CredentialsOptions,
 122         "versionopts": options.VersionOptions,
 123         }
 124
 125     takes_args = ["address"]
 126
 127     def run(self, address, credopts=None, sambaopts=None, versionopts=None):
 128         lp = sambaopts.get_loadparm()
 129         try:
 130             res = netcmd_get_domain_infos_via_cldap(lp, None, address)
 131         except RuntimeError:
 132             raise CommandError("Invalid IP address '" + address + "'!")
 133         self.outf.write("Forest           : %s\n" % res.forest)
 134         self.outf.write("Domain           : %s\n" % res.dns_domain)
 135         self.outf.write("Netbios domain   : %s\n" % res.domain_name)
 136         self.outf.write("DC name          : %s\n" % res.pdc_dns_name)
 137         self.outf.write("DC netbios name  : %s\n" % res.pdc_name)
 138         self.outf.write("Server site      : %s\n" % res.server_site)
 139         self.outf.write("Client site      : %s\n" % res.client_site)
 140
 141
 142 class cmd_domain_provision(Command):
 143     """Provision a domain."""
 144
 145     synopsis = "%prog [options]"
 146
 147     takes_optiongroups = {
 148         "sambaopts": options.SambaOptions,
 149         "versionopts": options.VersionOptions,
 150     }
 151
 152     takes_options = [
 153          Option("--interactive", help="Ask for names", action="store_true"),
 154          Option("--domain", type="string", metavar="DOMAIN",
 155                 help="set domain"),
 156          Option("--domain-guid", type="string", metavar="GUID",
 157                 help="set domainguid (otherwise random)"),
 158          Option("--domain-sid", type="string", metavar="SID",
 159                 help="set domainsid (otherwise random)"),
 160          Option("--ntds-guid", type="string", metavar="GUID",
 161                 help="set NTDS object GUID (otherwise random)"),
 162          Option("--invocationid", type="string", metavar="GUID",
 163                 help="set invocationid (otherwise random)"),
 164          Option("--host-name", type="string", metavar="HOSTNAME",
 165                 help="set hostname"),
 166          Option("--host-ip", type="string", metavar="IPADDRESS",
 167                 help="set IPv4 ipaddress"),
 168          Option("--host-ip6", type="string", metavar="IP6ADDRESS",
 169                 help="set IPv6 ipaddress"),
 170          Option("--site", type="string", metavar="SITENAME",
 171                 help="set site name"),
 172          Option("--adminpass", type="string", metavar="PASSWORD",
 173                 help="choose admin password (otherwise random)"),
 174          Option("--krbtgtpass", type="string", metavar="PASSWORD",
 175                 help="choose krbtgt password (otherwise random)"),
 176          Option("--machinepass", type="string", metavar="PASSWORD",
 177                 help="choose machine password (otherwise random)"),
 178          Option("--dns-backend", type="choice", metavar="NAMESERVER-BACKEND",
 179                 choices=["SAMBA_INTERNAL", "BIND9_FLATFILE", "BIND9_DLZ", "NONE"],
 180                 help="The DNS server backend. SAMBA_INTERNAL is the builtin name server (default), "
 181                      "BIND9_FLATFILE uses bind9 text database to store zone information, "
 182                      "BIND9_DLZ uses samba4 AD to store zone information, "
 183                      "NONE skips the DNS setup entirely (not recommended)",
 184                 default="SAMBA_INTERNAL"),
 185          Option("--dnspass", type="string", metavar="PASSWORD",
 186                 help="choose dns password (otherwise random)"),
 187          Option("--ldapadminpass", type="string", metavar="PASSWORD",
 188                 help="choose password to set between Samba and it's LDAP backend (otherwise random)"),
 189          Option("--root", type="string", metavar="USERNAME",
 190                 help="choose 'root' unix username"),
 191          Option("--nobody", type="string", metavar="USERNAME",
 192                 help="choose 'nobody' user"),
 193          Option("--users", type="string", metavar="GROUPNAME",
 194                 help="choose 'users' group"),
 195          Option("--quiet", help="Be quiet", action="store_true"),
 196          Option("--blank", action="store_true",
 197                 help="do not add users or groups, just the structure"),
 198          Option("--ldap-backend-type", type="choice", metavar="LDAP-BACKEND-TYPE",
 199                 help="Test initialisation support for unsupported LDAP backend type (fedora-ds or openldap) DO NOT USE",
 200                 choices=["fedora-ds", "openldap"]),
 201          Option("--server-role", type="choice", metavar="ROLE",
 202                 choices=["domain controller", "dc", "member server", "member", "standalone"],
 203                 help="The server role (domain controller | dc | member server | member | standalone). Default is dc.",
 204                 default="domain controller"),
 205          Option("--function-level", type="choice", metavar="FOR-FUN-LEVEL",
 206                 choices=["2000", "2003", "2008", "2008_R2"],
 207                 help="The domain and forest function level (2000 | 2003 | 2008 | 2008_R2 - always native). Default is (Windows) 2003 Native.",
 208                 default="2003"),
 209          Option("--next-rid", type="int", metavar="NEXTRID", default=1000,
 210                 help="The initial nextRid value (only needed for upgrades).  Default is 1000."),
 211          Option("--partitions-only",
 212                 help="Configure Samba's partitions, but do not modify them (ie, join a BDC)", action="store_true"),
 213          Option("--targetdir", type="string", metavar="DIR",
 214                 help="Set target directory"),
 215          Option("--ol-mmr-urls", type="string", metavar="LDAPSERVER",
 216                 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\""),
 217          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"),
 218          Option("--use-ntvfs", action="store_true", help="Use NTVFS for the fileserver (default = no)"),
 219          Option("--use-rfc2307", action="store_true", help="Use AD to store posix attributes (default = no)"),
 220         ]
 221
 222     openldap_options = [
 223         Option("--ldap-dryrun-mode", help="Configure LDAP backend, but do not run any binaries and exit early.  Used only for the test environment.  DO NOT USE",
 224                action="store_true"),
 225         Option("--slapd-path", type="string", metavar="SLAPD-PATH",
 226                help="Path to slapd for LDAP backend [e.g.:'/usr/local/libexec/slapd']. Required for Setup with LDAP-Backend. OpenLDAP Version >= 2.4.17 should be used."),
 227         Option("--ldap-backend-extra-port", type="int", metavar="LDAP-BACKEND-EXTRA-PORT", help="Additional TCP port for LDAP backend server (to use for replication)"),
 228         Option("--ldap-backend-forced-uri", type="string", metavar="LDAP-BACKEND-FORCED-URI",
 229                help="Force the LDAP backend connection to be to a particular URI.  Use this ONLY for 'existing' backends, or when debugging the interaction with the LDAP backend and you need to intercept the LDA"),
 230         Option("--ldap-backend-nosync", help="Configure LDAP backend not to call fsync() (for performance in test environments)", action="store_true"),
 231         ]
 232
 233     if os.getenv('TEST_LDAP', "no") == "yes":
 234         takes_options.extend(openldap_options)
 235
 236     takes_args = []
 237
 238     def run(self, sambaopts=None, versionopts=None,
 239             interactive=None,
 240             domain=None,
 241             domain_guid=None,
 242             domain_sid=None,
 243             ntds_guid=None,
 244             invocationid=None,
 245             host_name=None,
 246             host_ip=None,
 247             host_ip6=None,
 248             adminpass=None,
 249             site=None,
 250             krbtgtpass=None,
 251             machinepass=None,
 252             dns_backend=None,
 253             dns_forwarder=None,
 254             dnspass=None,
 255             ldapadminpass=None,
 256             root=None,
 257             nobody=None,
 258             users=None,
 259             quiet=None,
 260             blank=None,
 261             ldap_backend_type=None,
 262             server_role=None,
 263             function_level=None,
 264             next_rid=None,
 265             partitions_only=None,
 266             targetdir=None,
 267             ol_mmr_urls=None,
 268             use_xattrs=None,
 269             slapd_path=None,
 270             use_ntvfs=None,
 271             use_rfc2307=None,
 272             ldap_backend_nosync=None,
 273             ldap_backend_extra_port=None,
 274             ldap_backend_forced_uri=None,
 275             ldap_dryrun_mode=None):
 276
 277         self.logger = self.get_logger("provision")
 278         if quiet:
 279             self.logger.setLevel(logging.WARNING)
 280         else:
 281             self.logger.setLevel(logging.INFO)
 282
 283         lp = sambaopts.get_loadparm()
 284         smbconf = lp.configfile
 285
 286         if dns_forwarder is not None:
 287             suggested_forwarder = dns_forwarder
 288         else:
 289             suggested_forwarder = self._get_nameserver_ip()
 290             if suggested_forwarder is None:
 291                 suggested_forwarder = "none"
 292
 293         if len(self.raw_argv) == 1:
 294             interactive = True
 295
 296         if interactive:
 297             from getpass import getpass
 298             import socket
 299
 300             def ask(prompt, default=None):
 301                 if default is not None:
 302                     print "%s [%s]: " % (prompt, default),
 303                 else:
 304                     print "%s: " % (prompt,),
 305                 return sys.stdin.readline().rstrip("\n") or default
 306
 307             try:
 308                 default = socket.getfqdn().split(".", 1)[1].upper()
 309             except IndexError:
 310                 default = None
 311             realm = ask("Realm", default)
 312             if realm in (None, ""):
 313                 raise CommandError("No realm set!")
 314
 315             try:
 316                 default = realm.split(".")[0]
 317             except IndexError:
 318                 default = None
 319             domain = ask("Domain", default)
 320             if domain is None:
 321                 raise CommandError("No domain set!")
 322
 323             server_role = ask("Server Role (dc, member, standalone)", "dc")
 324
 325             dns_backend = ask("DNS backend (SAMBA_INTERNAL, BIND9_FLATFILE, BIND9_DLZ, NONE)", "SAMBA_INTERNAL")
 326             if dns_backend in (None, ''):
 327                 raise CommandError("No DNS backend set!")
 328
 329             if dns_backend == "SAMBA_INTERNAL":
 330                 dns_forwarder = ask("DNS forwarder IP address (write 'none' to disable forwarding)", suggested_forwarder)
 331                 if dns_forwarder.lower() in (None, 'none'):
 332                     suggested_forwarder = None
 333                     dns_forwarder = None
 334
 335             while True:
 336                 adminpassplain = getpass("Administrator password: ")
 337                 if not adminpassplain:
 338                     self.errf.write("Invalid administrator password.\n")
 339                 else:
 340                     adminpassverify = getpass("Retype password: ")
 341                     if not adminpassplain == adminpassverify:
 342                         self.errf.write("Sorry, passwords do not match.\n")
 343                     else:
 344                         adminpass = adminpassplain
 345                         break
 346
 347         else:
 348             realm = sambaopts._lp.get('realm')
 349             if realm is None:
 350                 raise CommandError("No realm set!")
 351             if domain is None:
 352                 raise CommandError("No domain set!")
 353
 354         if not adminpass:
 355             self.logger.info("Administrator password will be set randomly!")
 356
 357         if function_level == "2000":
 358             dom_for_fun_level = DS_DOMAIN_FUNCTION_2000
 359         elif function_level == "2003":
 360             dom_for_fun_level = DS_DOMAIN_FUNCTION_2003
 361         elif function_level == "2008":
 362             dom_for_fun_level = DS_DOMAIN_FUNCTION_2008
 363         elif function_level == "2008_R2":
 364             dom_for_fun_level = DS_DOMAIN_FUNCTION_2008_R2
 365
 366         if dns_backend == "SAMBA_INTERNAL" and dns_forwarder is None:
 367             dns_forwarder = suggested_forwarder
 368
 369         samdb_fill = FILL_FULL
 370         if blank:
 371             samdb_fill = FILL_NT4SYNC
 372         elif partitions_only:
 373             samdb_fill = FILL_DRS
 374
 375         if targetdir is not None:
 376             if not os.path.isdir(targetdir):
 377                 os.mkdir(targetdir)
 378
 379         eadb = True
 380
 381         if use_xattrs == "yes":
 382             eadb = False
 383         elif use_xattrs == "auto" and not lp.get("posix:eadb"):
 384             if targetdir:
 385                 file = tempfile.NamedTemporaryFile(dir=os.path.abspath(targetdir))
 386             else:
 387                 file = tempfile.NamedTemporaryFile(dir=os.path.abspath(os.path.dirname(lp.get("private dir"))))
 388             try:
 389                 try:
 390                     samba.ntacls.setntacl(lp, file.name,
 391                                           "O:S-1-5-32G:S-1-5-32", "S-1-5-32", "native")
 392                     eadb = False
 393                 except Exception:
 394                     self.logger.info("You are not root or your system do not support xattr, using tdb backend for attributes. ")
 395             finally:
 396                 file.close()
 397
 398         if eadb:
 399             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.")
 400         if ldap_backend_type == "existing":
 401             if dap_backend_forced_uri is not None:
 402                 logger.warn("You have specified to use an existing LDAP server as the backend, please make sure an LDAP server is running at %s" % ldap_backend_forced_uri)
 403             else:
 404                 logger.info("You have specified to use an existing LDAP server as the backend, please make sure an LDAP server is running at the default location")
 405         else:
 406             if ldap_backend_forced_uri is not None:
 407                 logger.warn("You have specified to use an fixed URI %s for connecting to your LDAP server backend.  This is NOT RECOMMENDED, as our default communiation over ldapi:// is more secure and much less")
 408
 409         session = system_session()
 410         try:
 411             result = provision(self.logger,
 412                   session, smbconf=smbconf, targetdir=targetdir,
 413                   samdb_fill=samdb_fill, realm=realm, domain=domain,
 414                   domainguid=domain_guid, domainsid=domain_sid,
 415                   hostname=host_name,
 416                   hostip=host_ip, hostip6=host_ip6,
 417                   sitename=site, ntdsguid=ntds_guid,
 418                   invocationid=invocationid, adminpass=adminpass,
 419                   krbtgtpass=krbtgtpass, machinepass=machinepass,
 420                   dns_backend=dns_backend, dns_forwarder=dns_forwarder,
 421                   dnspass=dnspass, root=root, nobody=nobody,
 422                   users=users,
 423                   serverrole=server_role, dom_for_fun_level=dom_for_fun_level,
 424                   backend_type=ldap_backend_type,
 425                   ldapadminpass=ldapadminpass, ol_mmr_urls=ol_mmr_urls, slapd_path=slapd_path,
 426                   useeadb=eadb, next_rid=next_rid, lp=lp, use_ntvfs=use_ntvfs,
 427                   use_rfc2307=use_rfc2307, skip_sysvolacl=False,
 428                   ldap_backend_extra_port=ldap_backend_extra_port,
 429                   ldap_backend_forced_uri=ldap_backend_forced_uri,
 430                   nosync=ldap_backend_nosync, ldap_dryrun_mode=ldap_dryrun_mode)
 431
 432         except ProvisioningError, e:
 433             raise CommandError("Provision failed", e)
 434
 435         result.report_logger(self.logger)
 436
 437     def _get_nameserver_ip(self):
 438         """Grab the nameserver IP address from /etc/resolv.conf."""
 439         from os import path
 440         RESOLV_CONF="/etc/resolv.conf"
 441
 442         if not path.isfile(RESOLV_CONF):
 443             self.logger.warning("Failed to locate %s" % RESOLV_CONF)
 444             return None
 445
 446         handle = None
 447         try:
 448             handle = open(RESOLV_CONF, 'r')
 449             for line in handle:
 450                 if not line.startswith('nameserver'):
 451                     continue
 452                 # we want the last non-space continuous string of the line
 453                 return line.strip().split()[-1]
 454         finally:
 455             if handle is not None:
 456                 handle.close()
 457
 458         self.logger.warning("No nameserver found in %s" % RESOLV_CONF)
 459
 460
 461 class cmd_domain_dcpromo(Command):
 462     """Promote an existing domain member or NT4 PDC to an AD DC."""
 463
 464     synopsis = "%prog <dnsdomain> [DC|RODC] [options]"
 465
 466     takes_optiongroups = {
 467         "sambaopts": options.SambaOptions,
 468         "versionopts": options.VersionOptions,
 469         "credopts": options.CredentialsOptions,
 470     }
 471
 472     takes_options = [
 473         Option("--server", help="DC to join", type=str),
 474         Option("--site", help="site to join", type=str),
 475         Option("--targetdir", help="where to store provision", type=str),
 476         Option("--domain-critical-only",
 477                help="only replicate critical domain objects",
 478                action="store_true"),
 479         Option("--machinepass", type=str, metavar="PASSWORD",
 480                help="choose machine password (otherwise random)"),
 481         Option("--use-ntvfs", help="Use NTVFS for the fileserver (default = no)",
 482                action="store_true"),
 483         Option("--dns-backend", type="choice", metavar="NAMESERVER-BACKEND",
 484                choices=["SAMBA_INTERNAL", "BIND9_DLZ", "NONE"],
 485                help="The DNS server backend. SAMBA_INTERNAL is the builtin name server (default), "
 486                    "BIND9_DLZ uses samba4 AD to store zone information, "
 487                    "NONE skips the DNS setup entirely (this DC will not be a DNS server)",
 488                default="SAMBA_INTERNAL"),
 489         Option("--quiet", help="Be quiet", action="store_true"),
 490         Option("--verbose", help="Be verbose", action="store_true")
 491         ]
 492
 493     takes_args = ["domain", "role?"]
 494
 495     def run(self, domain, role=None, sambaopts=None, credopts=None,
 496             versionopts=None, server=None, site=None, targetdir=None,
 497             domain_critical_only=False, parent_domain=None, machinepass=None,
 498             use_ntvfs=False, dns_backend=None,
 499             quiet=False, verbose=False):
 500         lp = sambaopts.get_loadparm()
 501         creds = credopts.get_credentials(lp)
 502         net = Net(creds, lp, server=credopts.ipaddress)
 503
 504         if site is None:
 505             site = "Default-First-Site-Name"
 506
 507         logger = self.get_logger()
 508         if verbose:
 509             logger.setLevel(logging.DEBUG)
 510         elif quiet:
 511             logger.setLevel(logging.WARNING)
 512         else:
 513             logger.setLevel(logging.INFO)
 514
 515         if site is None:
 516             site = "Default-First-Site-Name"
 517
 518         netbios_name = lp.get("netbios name")
 519
 520         if not role is None:
 521             role = role.upper()
 522
 523         if role == "DC":
 524             join_DC(logger=logger, server=server, creds=creds, lp=lp, domain=domain,
 525                     site=site, netbios_name=netbios_name, targetdir=targetdir,
 526                     domain_critical_only=domain_critical_only,
 527                     machinepass=machinepass, use_ntvfs=use_ntvfs,
 528                     dns_backend=dns_backend,
 529                     promote_existing=True)
 530         elif role == "RODC":
 531             join_RODC(logger=logger, server=server, creds=creds, lp=lp, domain=domain,
 532                       site=site, netbios_name=netbios_name, targetdir=targetdir,
 533                       domain_critical_only=domain_critical_only,
 534                       machinepass=machinepass, use_ntvfs=use_ntvfs, dns_backend=dns_backend,
 535                       promote_existing=True)
 536         else:
 537             raise CommandError("Invalid role '%s' (possible values: DC, RODC)" % role)
 538
 539
 540 class cmd_domain_join(Command):
 541     """Join domain as either member or backup domain controller."""
 542
 543     synopsis = "%prog <dnsdomain> [DC|RODC|MEMBER|SUBDOMAIN] [options]"
 544
 545     takes_optiongroups = {
 546         "sambaopts": options.SambaOptions,
 547         "versionopts": options.VersionOptions,
 548         "credopts": options.CredentialsOptions,
 549     }
 550
 551     takes_options = [
 552         Option("--server", help="DC to join", type=str),
 553         Option("--site", help="site to join", type=str),
 554         Option("--targetdir", help="where to store provision", type=str),
 555         Option("--parent-domain", help="parent domain to create subdomain under", type=str),
 556         Option("--domain-critical-only",
 557                help="only replicate critical domain objects",
 558                action="store_true"),
 559         Option("--machinepass", type=str, metavar="PASSWORD",
 560                help="choose machine password (otherwise random)"),
 561         Option("--adminpass", type="string", metavar="PASSWORD",
 562                help="choose adminstrator password when joining as a subdomain (otherwise random)"),
 563         Option("--use-ntvfs", help="Use NTVFS for the fileserver (default = no)",
 564                action="store_true"),
 565         Option("--dns-backend", type="choice", metavar="NAMESERVER-BACKEND",
 566                choices=["SAMBA_INTERNAL", "BIND9_DLZ", "NONE"],
 567                help="The DNS server backend. SAMBA_INTERNAL is the builtin name server (default), "
 568                    "BIND9_DLZ uses samba4 AD to store zone information, "
 569                    "NONE skips the DNS setup entirely (this DC will not be a DNS server)",
 570                default="SAMBA_INTERNAL"),
 571         Option("--quiet", help="Be quiet", action="store_true"),
 572         Option("--verbose", help="Be verbose", action="store_true")
 573        ]
 574
 575     takes_args = ["domain", "role?"]
 576
 577     def run(self, domain, role=None, sambaopts=None, credopts=None,
 578             versionopts=None, server=None, site=None, targetdir=None,
 579             domain_critical_only=False, parent_domain=None, machinepass=None,
 580             use_ntvfs=False, dns_backend=None, adminpass=None,
 581             quiet=False, verbose=False):
 582         lp = sambaopts.get_loadparm()
 583         creds = credopts.get_credentials(lp)
 584         net = Net(creds, lp, server=credopts.ipaddress)
 585
 586         if site is None:
 587             site = "Default-First-Site-Name"
 588
 589         logger = self.get_logger()
 590         if verbose:
 591             logger.setLevel(logging.DEBUG)
 592         elif quiet:
 593             logger.setLevel(logging.WARNING)
 594         else:
 595             logger.setLevel(logging.INFO)
 596
 597         netbios_name = lp.get("netbios name")
 598
 599         if not role is None:
 600             role = role.upper()
 601
 602         if role is None or role == "MEMBER":
 603             (join_password, sid, domain_name) = net.join_member(
 604                 domain, netbios_name, LIBNET_JOIN_AUTOMATIC,
 605                 machinepass=machinepass)
 606
 607             self.errf.write("Joined domain %s (%s)\n" % (domain_name, sid))
 608         elif role == "DC":
 609             join_DC(logger=logger, server=server, creds=creds, lp=lp, domain=domain,
 610                     site=site, netbios_name=netbios_name, targetdir=targetdir,
 611                     domain_critical_only=domain_critical_only,
 612                     machinepass=machinepass, use_ntvfs=use_ntvfs, dns_backend=dns_backend)
 613         elif role == "RODC":
 614             join_RODC(logger=logger, server=server, creds=creds, lp=lp, domain=domain,
 615                       site=site, netbios_name=netbios_name, targetdir=targetdir,
 616                       domain_critical_only=domain_critical_only,
 617                       machinepass=machinepass, use_ntvfs=use_ntvfs,
 618                       dns_backend=dns_backend)
 619         elif role == "SUBDOMAIN":
 620             if not adminpass:
 621                 logger.info("Administrator password will be set randomly!")
 622
 623             netbios_domain = lp.get("workgroup")
 624             if parent_domain is None:
 625                 parent_domain = ".".join(domain.split(".")[1:])
 626             join_subdomain(logger=logger, server=server, creds=creds, lp=lp, dnsdomain=domain,
 627                            parent_domain=parent_domain, site=site,
 628                            netbios_name=netbios_name, netbios_domain=netbios_domain,
 629                            targetdir=targetdir, machinepass=machinepass,
 630                            use_ntvfs=use_ntvfs, dns_backend=dns_backend,
 631                            adminpass=adminpass)
 632         else:
 633             raise CommandError("Invalid role '%s' (possible values: MEMBER, DC, RODC, SUBDOMAIN)" % role)
 634
 635
 636 class cmd_domain_demote(Command):
 637     """Demote ourselves from the role of Domain Controller."""
 638
 639     synopsis = "%prog [options]"
 640
 641     takes_options = [
 642         Option("--server", help="DC to force replication before demote", type=str),
 643         Option("--targetdir", help="where provision is stored", type=str),
 644         ]
 645
 646     takes_optiongroups = {
 647         "sambaopts": options.SambaOptions,
 648         "credopts": options.CredentialsOptions,
 649         "versionopts": options.VersionOptions,
 650         }
 651
 652     def run(self, sambaopts=None, credopts=None,
 653             versionopts=None, server=None, targetdir=None):
 654         lp = sambaopts.get_loadparm()
 655         creds = credopts.get_credentials(lp)
 656         net = Net(creds, lp, server=credopts.ipaddress)
 657
 658         netbios_name = lp.get("netbios name")
 659         samdb = SamDB(session_info=system_session(), credentials=creds, lp=lp)
 660         if not server:
 661             res = samdb.search(expression='(&(objectClass=computer)(serverReferenceBL=*))', attrs=["dnsHostName", "name"])
 662             if (len(res) == 0):
 663                 raise CommandError("Unable to search for servers")
 664
 665             if (len(res) == 1):
 666                 raise CommandError("You are the latest server in the domain")
 667
 668             server = None
 669             for e in res:
 670                 if str(e["name"]).lower() != netbios_name.lower():
 671                     server = e["dnsHostName"]
 672                     break
 673
 674         ntds_guid = samdb.get_ntds_GUID()
 675         msg = samdb.search(base=str(samdb.get_config_basedn()),
 676             scope=ldb.SCOPE_SUBTREE, expression="(objectGUID=%s)" % ntds_guid,
 677             attrs=['options'])
 678         if len(msg) == 0 or "options" not in msg[0]:
 679             raise CommandError("Failed to find options on %s" % ntds_guid)
 680
 681         ntds_dn = msg[0].dn
 682         dsa_options = int(str(msg[0]['options']))
 683
 684         res = samdb.search(expression="(fSMORoleOwner=%s)" % str(ntds_dn),
 685                             controls=["search_options:1:2"])
 686
 687         if len(res) != 0:
 688             raise CommandError("Current DC is still the owner of %d role(s), use the role command to transfer roles to another DC" % len(res))
 689
 690         self.errf.write("Using %s as partner server for the demotion\n" %
 691                         server)
 692         (drsuapiBind, drsuapi_handle, supportedExtensions) = drsuapi_connect(server, lp, creds)
 693
 694         self.errf.write("Desactivating inbound replication\n")
 695
 696         nmsg = ldb.Message()
 697         nmsg.dn = msg[0].dn
 698
 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         if not (dsa_options & DS_NTDSDSA_OPT_DISABLE_OUTBOUND_REPL) and not samdb.am_rodc():
 704
 705             self.errf.write("Asking partner server %s to synchronize from us\n"
 706                             % server)
 707             for part in (samdb.get_schema_basedn(),
 708                             samdb.get_config_basedn(),
 709                             samdb.get_root_basedn()):
 710                 try:
 711                     sendDsReplicaSync(drsuapiBind, drsuapi_handle, ntds_guid, str(part), drsuapi.DRSUAPI_DRS_WRIT_REP)
 712                 except drsException, e:
 713                     self.errf.write(
 714                         "Error while demoting, "
 715                         "re-enabling inbound replication\n")
 716                     dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 717                     nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 718                     samdb.modify(nmsg)
 719                     raise CommandError("Error while sending a DsReplicaSync for partion %s" % str(part), e)
 720         try:
 721             remote_samdb = SamDB(url="ldap://%s" % server,
 722                                 session_info=system_session(),
 723                                 credentials=creds, lp=lp)
 724
 725             self.errf.write("Changing userControl and container\n")
 726             res = remote_samdb.search(base=str(remote_samdb.get_root_basedn()),
 727                                 expression="(&(objectClass=user)(sAMAccountName=%s$))" %
 728                                             netbios_name.upper(),
 729                                 attrs=["userAccountControl"])
 730             dc_dn = res[0].dn
 731             uac = int(str(res[0]["userAccountControl"]))
 732
 733         except Exception, e:
 734             self.errf.write(
 735                 "Error while demoting, re-enabling inbound replication\n")
 736             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 737             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 738             samdb.modify(nmsg)
 739             raise CommandError("Error while changing account control", e)
 740
 741         if (len(res) != 1):
 742             self.errf.write(
 743                 "Error while demoting, re-enabling inbound replication")
 744             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 745             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 746             samdb.modify(nmsg)
 747             raise CommandError("Unable to find object with samaccountName = %s$"
 748                                " in the remote dc" % netbios_name.upper())
 749
 750         olduac = uac
 751
 752         uac ^= (UF_SERVER_TRUST_ACCOUNT|UF_TRUSTED_FOR_DELEGATION)
 753         uac |= UF_WORKSTATION_TRUST_ACCOUNT
 754
 755         msg = ldb.Message()
 756         msg.dn = dc_dn
 757
 758         msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 759                                                         ldb.FLAG_MOD_REPLACE,
 760                                                         "userAccountControl")
 761         try:
 762             remote_samdb.modify(msg)
 763         except Exception, e:
 764             self.errf.write(
 765                 "Error while demoting, re-enabling inbound replication")
 766             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 767             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 768             samdb.modify(nmsg)
 769
 770             raise CommandError("Error while changing account control", e)
 771
 772         parent = msg.dn.parent()
 773         rdn = str(res[0].dn)
 774         rdn = string.replace(rdn, ",%s" % str(parent), "")
 775         # Let's move to the Computer container
 776         i = 0
 777         newrdn = rdn
 778
 779         computer_dn = ldb.Dn(remote_samdb, "CN=Computers,%s" % str(remote_samdb.get_root_basedn()))
 780         res = remote_samdb.search(base=computer_dn, expression=rdn, scope=ldb.SCOPE_ONELEVEL)
 781
 782         if (len(res) != 0):
 783             res = remote_samdb.search(base=computer_dn, expression="%s-%d" % (rdn, i),
 784                                         scope=ldb.SCOPE_ONELEVEL)
 785             while(len(res) != 0 and i < 100):
 786                 i = i + 1
 787                 res = remote_samdb.search(base=computer_dn, expression="%s-%d" % (rdn, i),
 788                                             scope=ldb.SCOPE_ONELEVEL)
 789
 790             if i == 100:
 791                 self.errf.write(
 792                     "Error while demoting, re-enabling inbound replication\n")
 793                 dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 794                 nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 795                 samdb.modify(nmsg)
 796
 797                 msg = ldb.Message()
 798                 msg.dn = dc_dn
 799
 800                 msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 801                                                         ldb.FLAG_MOD_REPLACE,
 802                                                         "userAccountControl")
 803
 804                 remote_samdb.modify(msg)
 805
 806                 raise CommandError("Unable to find a slot for renaming %s,"
 807                                     " all names from %s-1 to %s-%d seemed used" %
 808                                     (str(dc_dn), rdn, rdn, i - 9))
 809
 810             newrdn = "%s-%d" % (rdn, i)
 811
 812         try:
 813             newdn = ldb.Dn(remote_samdb, "%s,%s" % (newrdn, str(computer_dn)))
 814             remote_samdb.rename(dc_dn, newdn)
 815         except Exception, e:
 816             self.errf.write(
 817                 "Error while demoting, re-enabling inbound replication\n")
 818             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 819             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 820             samdb.modify(nmsg)
 821
 822             msg = ldb.Message()
 823             msg.dn = dc_dn
 824
 825             msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 826                                                     ldb.FLAG_MOD_REPLACE,
 827                                                     "userAccountControl")
 828
 829             remote_samdb.modify(msg)
 830             raise CommandError("Error while renaming %s to %s" % (str(dc_dn), str(newdn)), e)
 831
 832
 833         server_dsa_dn = samdb.get_serverName()
 834         domain = remote_samdb.get_root_basedn()
 835
 836         try:
 837             sendRemoveDsServer(drsuapiBind, drsuapi_handle, server_dsa_dn, domain)
 838         except drsException, e:
 839             self.errf.write(
 840                 "Error while demoting, re-enabling inbound replication\n")
 841             dsa_options ^= DS_NTDSDSA_OPT_DISABLE_INBOUND_REPL
 842             nmsg["options"] = ldb.MessageElement(str(dsa_options), ldb.FLAG_MOD_REPLACE, "options")
 843             samdb.modify(nmsg)
 844
 845             msg = ldb.Message()
 846             msg.dn = newdn
 847
 848             msg["userAccountControl"] = ldb.MessageElement("%d" % uac,
 849                                                     ldb.FLAG_MOD_REPLACE,
 850                                                     "userAccountControl")
 851             print str(dc_dn)
 852             remote_samdb.modify(msg)
 853             remote_samdb.rename(newdn, dc_dn)
 854             raise CommandError("Error while sending a removeDsServer", e)
 855
 856         for s in ("CN=Enterprise,CN=Microsoft System Volumes,CN=System,CN=Configuration",
 857                   "CN=%s,CN=Microsoft System Volumes,CN=System,CN=Configuration" % lp.get("realm"),
 858                   "CN=Domain System Volumes (SYSVOL share),CN=File Replication Service,CN=System"):
 859             try:
 860                 remote_samdb.delete(ldb.Dn(remote_samdb,
 861                                     "%s,%s,%s" % (str(rdn), s, str(remote_samdb.get_root_basedn()))))
 862             except ldb.LdbError, l:
 863                 pass
 864
 865         for s in ("CN=Enterprise,CN=NTFRS Subscriptions",
 866                   "CN=%s, CN=NTFRS Subscriptions" % lp.get("realm"),
 867                   "CN=Domain system Volumes (SYSVOL Share), CN=NTFRS Subscriptions",
 868                   "CN=NTFRS Subscriptions"):
 869             try:
 870                 remote_samdb.delete(ldb.Dn(remote_samdb,
 871                                     "%s,%s" % (s, str(newdn))))
 872             except ldb.LdbError, l:
 873                 pass
 874
 875         self.errf.write("Demote successfull\n")
 876
 877
 878 class cmd_domain_level(Command):
 879     """Raise domain and forest function levels."""
 880
 881     synopsis = "%prog (show|raise <options>) [options]"
 882
 883     takes_optiongroups = {
 884         "sambaopts": options.SambaOptions,
 885         "credopts": options.CredentialsOptions,
 886         "versionopts": options.VersionOptions,
 887         }
 888
 889     takes_options = [
 890         Option("-H", "--URL", help="LDB URL for database or target server", type=str,
 891                metavar="URL", dest="H"),
 892         Option("--quiet", help="Be quiet", action="store_true"),
 893         Option("--forest-level", type="choice", choices=["2003", "2008", "2008_R2"],
 894             help="The forest function level (2003 | 2008 | 2008_R2)"),
 895         Option("--domain-level", type="choice", choices=["2003", "2008", "2008_R2"],
 896             help="The domain function level (2003 | 2008 | 2008_R2)")
 897             ]
 898
 899     takes_args = ["subcommand"]
 900
 901     def run(self, subcommand, H=None, forest_level=None, domain_level=None,
 902             quiet=False, credopts=None, sambaopts=None, versionopts=None):
 903         lp = sambaopts.get_loadparm()
 904         creds = credopts.get_credentials(lp, fallback_machine=True)
 905
 906         samdb = SamDB(url=H, session_info=system_session(),
 907             credentials=creds, lp=lp)
 908
 909         domain_dn = samdb.domain_dn()
 910
 911         res_forest = samdb.search("CN=Partitions,%s" % samdb.get_config_basedn(),
 912           scope=ldb.SCOPE_BASE, attrs=["msDS-Behavior-Version"])
 913         assert len(res_forest) == 1
 914
 915         res_domain = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
 916           attrs=["msDS-Behavior-Version", "nTMixedDomain"])
 917         assert len(res_domain) == 1
 918
 919         res_dc_s = samdb.search("CN=Sites,%s" % samdb.get_config_basedn(),
 920           scope=ldb.SCOPE_SUBTREE, expression="(objectClass=nTDSDSA)",
 921           attrs=["msDS-Behavior-Version"])
 922         assert len(res_dc_s) >= 1
 923
 924         try:
 925             level_forest = int(res_forest[0]["msDS-Behavior-Version"][0])
 926             level_domain = int(res_domain[0]["msDS-Behavior-Version"][0])
 927             level_domain_mixed = int(res_domain[0]["nTMixedDomain"][0])
 928
 929             min_level_dc = int(res_dc_s[0]["msDS-Behavior-Version"][0]) # Init value
 930             for msg in res_dc_s:
 931                 if int(msg["msDS-Behavior-Version"][0]) < min_level_dc:
 932                     min_level_dc = int(msg["msDS-Behavior-Version"][0])
 933
 934             if level_forest < 0 or level_domain < 0:
 935                 raise CommandError("Domain and/or forest function level(s) is/are invalid. Correct them or reprovision!")
 936             if min_level_dc < 0:
 937                 raise CommandError("Lowest function level of a DC is invalid. Correct this or reprovision!")
 938             if level_forest > level_domain:
 939                 raise CommandError("Forest function level is higher than the domain level(s). Correct this or reprovision!")
 940             if level_domain > min_level_dc:
 941                 raise CommandError("Domain function level is higher than the lowest function level of a DC. Correct this or reprovision!")
 942
 943         except KeyError:
 944             raise CommandError("Could not retrieve the actual domain, forest level and/or lowest DC function level!")
 945
 946         if subcommand == "show":
 947             self.message("Domain and forest function level for domain '%s'" % domain_dn)
 948             if level_forest == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 949                 self.message("\nATTENTION: You run SAMBA 4 on a forest function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
 950             if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 951                 self.message("\nATTENTION: You run SAMBA 4 on a domain function level lower than Windows 2000 (Native). This isn't supported! Please raise!")
 952             if min_level_dc == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 953                 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)!")
 954
 955             self.message("")
 956
 957             if level_forest == DS_DOMAIN_FUNCTION_2000:
 958                 outstr = "2000"
 959             elif level_forest == DS_DOMAIN_FUNCTION_2003_MIXED:
 960                 outstr = "2003 with mixed domains/interim (NT4 DC support)"
 961             elif level_forest == DS_DOMAIN_FUNCTION_2003:
 962                 outstr = "2003"
 963             elif level_forest == DS_DOMAIN_FUNCTION_2008:
 964                 outstr = "2008"
 965             elif level_forest == DS_DOMAIN_FUNCTION_2008_R2:
 966                 outstr = "2008 R2"
 967             else:
 968                 outstr = "higher than 2008 R2"
 969             self.message("Forest function level: (Windows) " + outstr)
 970
 971             if level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed != 0:
 972                 outstr = "2000 mixed (NT4 DC support)"
 973             elif level_domain == DS_DOMAIN_FUNCTION_2000 and level_domain_mixed == 0:
 974                 outstr = "2000"
 975             elif level_domain == DS_DOMAIN_FUNCTION_2003_MIXED:
 976                 outstr = "2003 with mixed domains/interim (NT4 DC support)"
 977             elif level_domain == DS_DOMAIN_FUNCTION_2003:
 978                 outstr = "2003"
 979             elif level_domain == DS_DOMAIN_FUNCTION_2008:
 980                 outstr = "2008"
 981             elif level_domain == DS_DOMAIN_FUNCTION_2008_R2:
 982                 outstr = "2008 R2"
 983             else:
 984                 outstr = "higher than 2008 R2"
 985             self.message("Domain function level: (Windows) " + outstr)
 986
 987             if min_level_dc == DS_DOMAIN_FUNCTION_2000:
 988                 outstr = "2000"
 989             elif min_level_dc == DS_DOMAIN_FUNCTION_2003:
 990                 outstr = "2003"
 991             elif min_level_dc == DS_DOMAIN_FUNCTION_2008:
 992                 outstr = "2008"
 993             elif min_level_dc == DS_DOMAIN_FUNCTION_2008_R2:
 994                 outstr = "2008 R2"
 995             else:
 996                 outstr = "higher than 2008 R2"
 997             self.message("Lowest function level of a DC: (Windows) " + outstr)
 998
 999         elif subcommand == "raise":
1000             msgs = []
1001
1002             if domain_level is not None:
1003                 if domain_level == "2003":
1004                     new_level_domain = DS_DOMAIN_FUNCTION_2003
1005                 elif domain_level == "2008":
1006                     new_level_domain = DS_DOMAIN_FUNCTION_2008
1007                 elif domain_level == "2008_R2":
1008                     new_level_domain = DS_DOMAIN_FUNCTION_2008_R2
1009
1010                 if new_level_domain <= level_domain and level_domain_mixed == 0:
1011                     raise CommandError("Domain function level can't be smaller than or equal to the actual one!")
1012
1013                 if new_level_domain > min_level_dc:
1014                     raise CommandError("Domain function level can't be higher than the lowest function level of a DC!")
1015
1016                 # Deactivate mixed/interim domain support
1017                 if level_domain_mixed != 0:
1018                     # Directly on the base DN
1019                     m = ldb.Message()
1020                     m.dn = ldb.Dn(samdb, domain_dn)
1021                     m["nTMixedDomain"] = ldb.MessageElement("0",
1022                       ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
1023                     samdb.modify(m)
1024                     # Under partitions
1025                     m = ldb.Message()
1026                     m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup") + ",CN=Partitions,%s" % samdb.get_config_basedn())
1027                     m["nTMixedDomain"] = ldb.MessageElement("0",
1028                       ldb.FLAG_MOD_REPLACE, "nTMixedDomain")
1029                     try:
1030                         samdb.modify(m)
1031                     except ldb.LdbError, (enum, emsg):
1032                         if enum != ldb.ERR_UNWILLING_TO_PERFORM:
1033                             raise
1034
1035                 # Directly on the base DN
1036                 m = ldb.Message()
1037                 m.dn = ldb.Dn(samdb, domain_dn)
1038                 m["msDS-Behavior-Version"]= ldb.MessageElement(
1039                   str(new_level_domain), ldb.FLAG_MOD_REPLACE,
1040                             "msDS-Behavior-Version")
1041                 samdb.modify(m)
1042                 # Under partitions
1043                 m = ldb.Message()
1044                 m.dn = ldb.Dn(samdb, "CN=" + lp.get("workgroup")
1045                   + ",CN=Partitions,%s" % samdb.get_config_basedn())
1046                 m["msDS-Behavior-Version"]= ldb.MessageElement(
1047                   str(new_level_domain), ldb.FLAG_MOD_REPLACE,
1048                           "msDS-Behavior-Version")
1049                 try:
1050                     samdb.modify(m)
1051                 except ldb.LdbError, (enum, emsg):
1052                     if enum != ldb.ERR_UNWILLING_TO_PERFORM:
1053                         raise
1054
1055                 level_domain = new_level_domain
1056                 msgs.append("Domain function level changed!")
1057
1058             if forest_level is not None:
1059                 if forest_level == "2003":
1060                     new_level_forest = DS_DOMAIN_FUNCTION_2003
1061                 elif forest_level == "2008":
1062                     new_level_forest = DS_DOMAIN_FUNCTION_2008
1063                 elif forest_level == "2008_R2":
1064                     new_level_forest = DS_DOMAIN_FUNCTION_2008_R2
1065                 if new_level_forest <= level_forest:
1066                     raise CommandError("Forest function level can't be smaller than or equal to the actual one!")
1067                 if new_level_forest > level_domain:
1068                     raise CommandError("Forest function level can't be higher than the domain function level(s). Please raise it/them first!")
1069                 m = ldb.Message()
1070                 m.dn = ldb.Dn(samdb, "CN=Partitions,%s" % samdb.get_config_basedn())
1071                 m["msDS-Behavior-Version"]= ldb.MessageElement(
1072                   str(new_level_forest), ldb.FLAG_MOD_REPLACE,
1073                           "msDS-Behavior-Version")
1074                 samdb.modify(m)
1075                 msgs.append("Forest function level changed!")
1076             msgs.append("All changes applied successfully!")
1077             self.message("\n".join(msgs))
1078         else:
1079             raise CommandError("invalid argument: '%s' (choose from 'show', 'raise')" % subcommand)
1080
1081
1082 class cmd_domain_passwordsettings(Command):
1083     """Set password settings.
1084
1085     Password complexity, password lockout policy, history length,
1086     minimum password length, the minimum and maximum password age) on
1087     a Samba AD DC server.
1088
1089     Use against a Windows DC is possible, but group policy will override it.
1090     """
1091
1092     synopsis = "%prog (show|set <options>) [options]"
1093
1094     takes_optiongroups = {
1095         "sambaopts": options.SambaOptions,
1096         "versionopts": options.VersionOptions,
1097         "credopts": options.CredentialsOptions,
1098         }
1099
1100     takes_options = [
1101         Option("-H", "--URL", help="LDB URL for database or target server", type=str,
1102                metavar="URL", dest="H"),
1103         Option("--quiet", help="Be quiet", action="store_true"),
1104         Option("--complexity", type="choice", choices=["on","off","default"],
1105           help="The password complexity (on | off | default). Default is 'on'"),
1106         Option("--store-plaintext", type="choice", choices=["on","off","default"],
1107           help="Store plaintext passwords where account have 'store passwords with reversible encryption' set (on | off | default). Default is 'off'"),
1108         Option("--history-length",
1109           help="The password history length (<integer> | default).  Default is 24.", type=str),
1110         Option("--min-pwd-length",
1111           help="The minimum password length (<integer> | default).  Default is 7.", type=str),
1112         Option("--min-pwd-age",
1113           help="The minimum password age (<integer in days> | default).  Default is 1.", type=str),
1114         Option("--max-pwd-age",
1115           help="The maximum password age (<integer in days> | default).  Default is 43.", type=str),
1116         Option("--account-lockout-duration",
1117           help="The the length of time an account is locked out after exeeding the limit on bad password attempts (<integer in mins> | default).  Default is 30 mins.", type=str),
1118         Option("--account-lockout-threshold",
1119           help="The number of bad password attempts allowed before locking out the account (<integer> | default).  Default is 0 (never lock out).", type=str),
1120         Option("--reset-account-lockout-after",
1121           help="After this time is elapsed, the recorded number of attempts restarts from zero (<integer> | default).  Default is 30.", type=str),
1122           ]
1123
1124     takes_args = ["subcommand"]
1125
1126     def run(self, subcommand, H=None, min_pwd_age=None, max_pwd_age=None,
1127             quiet=False, complexity=None, store_plaintext=None, history_length=None,
1128             min_pwd_length=None, account_lockout_duration=None, account_lockout_threshold=None,
1129             reset_account_lockout_after=None, credopts=None, sambaopts=None,
1130             versionopts=None):
1131         lp = sambaopts.get_loadparm()
1132         creds = credopts.get_credentials(lp)
1133
1134         samdb = SamDB(url=H, session_info=system_session(),
1135             credentials=creds, lp=lp)
1136
1137         domain_dn = samdb.domain_dn()
1138         res = samdb.search(domain_dn, scope=ldb.SCOPE_BASE,
1139           attrs=["pwdProperties", "pwdHistoryLength", "minPwdLength",
1140                  "minPwdAge", "maxPwdAge", "lockoutDuration", "lockoutThreshold",
1141                  "lockOutObservationWindow"])
1142         assert(len(res) == 1)
1143         try:
1144             pwd_props = int(res[0]["pwdProperties"][0])
1145             pwd_hist_len = int(res[0]["pwdHistoryLength"][0])
1146             cur_min_pwd_len = int(res[0]["minPwdLength"][0])
1147             # ticks -> days
1148             cur_min_pwd_age = int(abs(int(res[0]["minPwdAge"][0])) / (1e7 * 60 * 60 * 24))
1149             if int(res[0]["maxPwdAge"][0]) == -0x8000000000000000:
1150                 cur_max_pwd_age = 0
1151             else:
1152                 cur_max_pwd_age = int(abs(int(res[0]["maxPwdAge"][0])) / (1e7 * 60 * 60 * 24))
1153             cur_account_lockout_threshold = int(res[0]["lockoutThreshold"][0])
1154             # ticks -> mins
1155             if int(res[0]["lockoutDuration"][0]) == -0x8000000000000000:
1156                 cur_account_lockout_duration = 0
1157             else:
1158                 cur_account_lockout_duration = abs(int(res[0]["lockoutDuration"][0])) / (1e7 * 60)
1159             cur_reset_account_lockout_after = abs(int(res[0]["lockOutObservationWindow"][0])) / (1e7 * 60)
1160         except Exception, e:
1161             raise CommandError("Could not retrieve password properties!", e)
1162
1163         if subcommand == "show":
1164             self.message("Password informations for domain '%s'" % domain_dn)
1165             self.message("")
1166             if pwd_props & DOMAIN_PASSWORD_COMPLEX != 0:
1167                 self.message("Password complexity: on")
1168             else:
1169                 self.message("Password complexity: off")
1170             if pwd_props & DOMAIN_PASSWORD_STORE_CLEARTEXT != 0:
1171                 self.message("Store plaintext passwords: on")
1172             else:
1173                 self.message("Store plaintext passwords: off")
1174             self.message("Password history length: %d" % pwd_hist_len)
1175             self.message("Minimum password length: %d" % cur_min_pwd_len)
1176             self.message("Minimum password age (days): %d" % cur_min_pwd_age)
1177             self.message("Maximum password age (days): %d" % cur_max_pwd_age)
1178             self.message("Account lockout duration (mins): %d" % cur_account_lockout_duration)
1179             self.message("Account lockout threshold (attempts): %d" % cur_account_lockout_threshold)
1180             self.message("Reset account lockout after (mins): %d" % cur_reset_account_lockout_after)
1181         elif subcommand == "set":
1182             msgs = []
1183             m = ldb.Message()
1184             m.dn = ldb.Dn(samdb, domain_dn)
1185
1186             if complexity is not None:
1187                 if complexity == "on" or complexity == "default":
1188                     pwd_props = pwd_props | DOMAIN_PASSWORD_COMPLEX
1189                     msgs.append("Password complexity activated!")
1190                 elif complexity == "off":
1191                     pwd_props = pwd_props & (~DOMAIN_PASSWORD_COMPLEX)
1192                     msgs.append("Password complexity deactivated!")
1193
1194             if store_plaintext is not None:
1195                 if store_plaintext == "on" or store_plaintext == "default":
1196                     pwd_props = pwd_props | DOMAIN_PASSWORD_STORE_CLEARTEXT
1197                     msgs.append("Plaintext password storage for changed passwords activated!")
1198                 elif store_plaintext == "off":
1199                     pwd_props = pwd_props & (~DOMAIN_PASSWORD_STORE_CLEARTEXT)
1200                     msgs.append("Plaintext password storage for changed passwords deactivated!")
1201
1202             if complexity is not None or store_plaintext is not None:
1203                 m["pwdProperties"] = ldb.MessageElement(str(pwd_props),
1204                   ldb.FLAG_MOD_REPLACE, "pwdProperties")
1205
1206             if history_length is not None:
1207                 if history_length == "default":
1208                     pwd_hist_len = 24
1209                 else:
1210                     pwd_hist_len = int(history_length)
1211
1212                 if pwd_hist_len < 0 or pwd_hist_len > 24:
1213                     raise CommandError("Password history length must be in the range of 0 to 24!")
1214
1215                 m["pwdHistoryLength"] = ldb.MessageElement(str(pwd_hist_len),
1216                   ldb.FLAG_MOD_REPLACE, "pwdHistoryLength")
1217                 msgs.append("Password history length changed!")
1218
1219             if min_pwd_length is not None:
1220                 if min_pwd_length == "default":
1221                     min_pwd_len = 7
1222                 else:
1223                     min_pwd_len = int(min_pwd_length)
1224
1225                 if min_pwd_len < 0 or min_pwd_len > 14:
1226                     raise CommandError("Minimum password length must be in the range of 0 to 14!")
1227
1228                 m["minPwdLength"] = ldb.MessageElement(str(min_pwd_len),
1229                   ldb.FLAG_MOD_REPLACE, "minPwdLength")
1230                 msgs.append("Minimum password length changed!")
1231
1232             if min_pwd_age is not None:
1233                 if min_pwd_age == "default":
1234                     min_pwd_age = 1
1235                 else:
1236                     min_pwd_age = int(min_pwd_age)
1237
1238                 if min_pwd_age < 0 or min_pwd_age > 998:
1239                     raise CommandError("Minimum password age must be in the range of 0 to 998!")
1240
1241                 # days -> ticks
1242                 min_pwd_age_ticks = -int(min_pwd_age * (24 * 60 * 60 * 1e7))
1243
1244                 m["minPwdAge"] = ldb.MessageElement(str(min_pwd_age_ticks),
1245                   ldb.FLAG_MOD_REPLACE, "minPwdAge")
1246                 msgs.append("Minimum password age changed!")
1247
1248             if max_pwd_age is not None:
1249                 if max_pwd_age == "default":
1250                     max_pwd_age = 43
1251                 else:
1252                     max_pwd_age = int(max_pwd_age)
1253
1254                 if max_pwd_age < 0 or max_pwd_age > 999:
1255                     raise CommandError("Maximum password age must be in the range of 0 to 999!")
1256
1257                 # days -> ticks
1258                 if max_pwd_age == 0:
1259                     max_pwd_age_ticks = -0x8000000000000000
1260                 else:
1261                     max_pwd_age_ticks = -int(max_pwd_age * (24 * 60 * 60 * 1e7))
1262
1263                 m["maxPwdAge"] = ldb.MessageElement(str(max_pwd_age_ticks),
1264                   ldb.FLAG_MOD_REPLACE, "maxPwdAge")
1265                 msgs.append("Maximum password age changed!")
1266
1267             if account_lockout_duration is not None:
1268                 if account_lockout_duration == "default":
1269                     account_lockout_duration = 30
1270                 else:
1271                     account_lockout_duration = int(account_lockout_duration)
1272
1273                 if account_lockout_duration < 0 or account_lockout_duration > 99999:
1274                     raise CommandError("Maximum password age must be in the range of 0 to 99999!")
1275
1276                 # days -> ticks
1277                 if account_lockout_duration == 0:
1278                     account_lockout_duration_ticks = -0x8000000000000000
1279                 else:
1280                     account_lockout_duration_ticks = -int(account_lockout_duration * (60 * 1e7))
1281
1282                 m["lockoutDuration"] = ldb.MessageElement(str(account_lockout_duration_ticks),
1283                   ldb.FLAG_MOD_REPLACE, "lockoutDuration")
1284                 msgs.append("Account lockout duration changed!")
1285
1286             if account_lockout_threshold is not None:
1287                 if account_lockout_threshold == "default":
1288                     account_lockout_threshold = 0
1289                 else:
1290                     account_lockout_threshold = int(account_lockout_threshold)
1291
1292                 m["lockoutThreshold"] = ldb.MessageElement(str(account_lockout_threshold),
1293                   ldb.FLAG_MOD_REPLACE, "lockoutThreshold")
1294                 msgs.append("Account lockout threshold changed!")
1295
1296             if reset_account_lockout_after is not None:
1297                 if reset_account_lockout_after == "default":
1298                     reset_account_lockout_after = 30
1299                 else:
1300                     reset_account_lockout_after = int(reset_account_lockout_after)
1301
1302                 if reset_account_lockout_after < 0 or reset_account_lockout_after > 99999:
1303                     raise CommandError("Maximum password age must be in the range of 0 to 99999!")
1304
1305                 # days -> ticks
1306                 if reset_account_lockout_after == 0:
1307                     reset_account_lockout_after_ticks = -0x8000000000000000
1308                 else:
1309                     reset_account_lockout_after_ticks = -int(reset_account_lockout_after * (60 * 1e7))
1310
1311                 m["lockOutObservationWindow"] = ldb.MessageElement(str(reset_account_lockout_after_ticks),
1312                   ldb.FLAG_MOD_REPLACE, "lockOutObservationWindow")
1313                 msgs.append("Duration to reset account lockout after changed!")
1314
1315             if max_pwd_age > 0 and min_pwd_age >= max_pwd_age:
1316                 raise CommandError("Maximum password age (%d) must be greater than minimum password age (%d)!" % (max_pwd_age, min_pwd_age))
1317
1318             if len(m) == 0:
1319                 raise CommandError("You must specify at least one option to set. Try --help")
1320             samdb.modify(m)
1321             msgs.append("All changes applied successfully!")
1322             self.message("\n".join(msgs))
1323         else:
1324             raise CommandError("Wrong argument '%s'!" % subcommand)
1325
1326
1327 class cmd_domain_classicupgrade(Command):
1328     """Upgrade from Samba classic (NT4-like) database to Samba AD DC database.
1329
1330     Specify either a directory with all Samba classic DC databases and state files (with --dbdir) or
1331     the testparm utility from your classic installation (with --testparm).
1332     """
1333
1334     synopsis = "%prog [options] <classic_smb_conf>"
1335
1336     takes_optiongroups = {
1337         "sambaopts": options.SambaOptions,
1338         "versionopts": options.VersionOptions
1339     }
1340
1341     takes_options = [
1342         Option("--dbdir", type="string", metavar="DIR",
1343                   help="Path to samba classic DC database directory"),
1344         Option("--testparm", type="string", metavar="PATH",
1345                   help="Path to samba classic DC testparm utility from the previous installation.  This allows the default paths of the previous installation to be followed"),
1346         Option("--targetdir", type="string", metavar="DIR",
1347                   help="Path prefix where the new Samba 4.0 AD domain should be initialised"),
1348         Option("--quiet", help="Be quiet", action="store_true"),
1349         Option("--verbose", help="Be verbose", action="store_true"),
1350         Option("--use-xattrs", type="choice", choices=["yes","no","auto"], metavar="[yes|no|auto]",
1351                    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"),
1352         Option("--use-ntvfs", help="Use NTVFS for the fileserver (default = no)",
1353                action="store_true"),
1354         Option("--dns-backend", type="choice", metavar="NAMESERVER-BACKEND",
1355                choices=["SAMBA_INTERNAL", "BIND9_FLATFILE", "BIND9_DLZ", "NONE"],
1356                help="The DNS server backend. SAMBA_INTERNAL is the builtin name server (default), "
1357                    "BIND9_FLATFILE uses bind9 text database to store zone information, "
1358                    "BIND9_DLZ uses samba4 AD to store zone information, "
1359                    "NONE skips the DNS setup entirely (this DC will not be a DNS server)",
1360                default="SAMBA_INTERNAL")
1361     ]
1362
1363     takes_args = ["smbconf"]
1364
1365     def run(self, smbconf=None, targetdir=None, dbdir=None, testparm=None,
1366             quiet=False, verbose=False, use_xattrs=None, sambaopts=None, versionopts=None,
1367             dns_backend=None, use_ntvfs=False):
1368
1369         if not os.path.exists(smbconf):
1370             raise CommandError("File %s does not exist" % smbconf)
1371
1372         if testparm and not os.path.exists(testparm):
1373             raise CommandError("Testparm utility %s does not exist" % testparm)
1374
1375         if dbdir and not os.path.exists(dbdir):
1376             raise CommandError("Directory %s does not exist" % dbdir)
1377
1378         if not dbdir and not testparm:
1379             raise CommandError("Please specify either dbdir or testparm")
1380
1381         logger = self.get_logger()
1382         if verbose:
1383             logger.setLevel(logging.DEBUG)
1384         elif quiet:
1385             logger.setLevel(logging.WARNING)
1386         else:
1387             logger.setLevel(logging.INFO)
1388
1389         if dbdir and testparm:
1390             logger.warning("both dbdir and testparm specified, ignoring dbdir.")
1391             dbdir = None
1392
1393         lp = sambaopts.get_loadparm()
1394
1395         s3conf = s3param.get_context()
1396
1397         if sambaopts.realm:
1398             s3conf.set("realm", sambaopts.realm)
1399
1400         if targetdir is not None:
1401             if not os.path.isdir(targetdir):
1402                 os.mkdir(targetdir)
1403
1404         eadb = True
1405         if use_xattrs == "yes":
1406             eadb = False
1407         elif use_xattrs == "auto" and not s3conf.get("posix:eadb"):
1408             if targetdir:
1409                 tmpfile = tempfile.NamedTemporaryFile(dir=os.path.abspath(targetdir))
1410             else:
1411                 tmpfile = tempfile.NamedTemporaryFile(dir=os.path.abspath(os.path.dirname(lp.get("private dir"))))
1412             try:
1413                 try:
1414                     samba.ntacls.setntacl(lp, tmpfile.name,
1415                                 "O:S-1-5-32G:S-1-5-32", "S-1-5-32", "native")
1416                     eadb = False
1417                 except Exception:
1418                     # FIXME: Don't catch all exceptions here
1419                     logger.info("You are not root or your system do not support xattr, using tdb backend for attributes. "
1420                                 "If you intend to use this provision in production, rerun the script as root on a system supporting xattrs.")
1421             finally:
1422                 tmpfile.close()
1423
1424         # Set correct default values from dbdir or testparm
1425         paths = {}
1426         if dbdir:
1427             paths["state directory"] = dbdir
1428             paths["private dir"] = dbdir
1429             paths["lock directory"] = dbdir
1430             paths["smb passwd file"] = dbdir + "/smbpasswd"
1431         else:
1432             paths["state directory"] = get_testparm_var(testparm, smbconf, "state directory")
1433             paths["private dir"] = get_testparm_var(testparm, smbconf, "private dir")
1434             paths["smb passwd file"] = get_testparm_var(testparm, smbconf, "smb passwd file")
1435             paths["lock directory"] = get_testparm_var(testparm, smbconf, "lock directory")
1436             # "testparm" from Samba 3 < 3.4.x is not aware of the parameter
1437             # "state directory", instead make use of "lock directory"
1438             if len(paths["state directory"]) == 0:
1439                 paths["state directory"] = paths["lock directory"]
1440
1441         for p in paths:
1442             s3conf.set(p, paths[p])
1443
1444         # load smb.conf parameters
1445         logger.info("Reading smb.conf")
1446         s3conf.load(smbconf)
1447         samba3 = Samba3(smbconf, s3conf)
1448
1449         logger.info("Provisioning")
1450         upgrade_from_samba3(samba3, logger, targetdir, session_info=system_session(),
1451                             useeadb=eadb, dns_backend=dns_backend, use_ntvfs=use_ntvfs)
1452
1453
1454 class cmd_domain_samba3upgrade(cmd_domain_classicupgrade):
1455     __doc__ = cmd_domain_classicupgrade.__doc__
1456
1457     # This command is present for backwards compatibility only,
1458     # and should not be shown.
1459
1460     hidden = True
1461
1462
1463 class cmd_domain(SuperCommand):
1464     """Domain management."""
1465
1466     subcommands = {}
1467     subcommands["demote"] = cmd_domain_demote()
1468     if cmd_domain_export_keytab is not None:
1469         subcommands["exportkeytab"] = cmd_domain_export_keytab()
1470     subcommands["info"] = cmd_domain_info()
1471     subcommands["provision"] = cmd_domain_provision()
1472     subcommands["join"] = cmd_domain_join()
1473     subcommands["dcpromo"] = cmd_domain_dcpromo()
1474     subcommands["level"] = cmd_domain_level()
1475     subcommands["passwordsettings"] = cmd_domain_passwordsettings()
1476     subcommands["classicupgrade"] = cmd_domain_classicupgrade()
1477     subcommands["samba3upgrade"] = cmd_domain_samba3upgrade()