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

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