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