source4/scripting/python/samba/upgrade.py

   1 # backend code for upgrading from Samba3
   2 # Copyright Jelmer Vernooij 2005-2007
   3 # Copyright Andrew Bartlett 2011
   4 #
   5 # This program is free software; you can redistribute it and/or modify
   6 # it under the terms of the GNU General Public License as published by
   7 # the Free Software Foundation; either version 3 of the License, or
   8 # (at your option) any later version.
   9 #
  10 # This program is distributed in the hope that it will be useful,
  11 # but WITHOUT ANY WARRANTY; without even the implied warranty of
  12 # MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13 # GNU General Public License for more details.
  14 #
  15 # You should have received a copy of the GNU General Public License
  16 # along with this program.  If not, see <http://www.gnu.org/licenses/>.
  17 #
  18
  19 """Support code for upgrading from Samba 3 to Samba 4."""
  20
  21 __docformat__ = "restructuredText"
  22
  23 import ldb
  24 import time
  25 import pwd
  26
  27 from samba import Ldb, registry
  28 from samba.param import LoadParm
  29 from samba.provision import provision, FILL_FULL, ProvisioningError
  30 from samba.samba3 import passdb
  31 from samba.samba3 import param as s3param
  32 from samba.dcerpc import lsa, samr, security
  33 from samba.dcerpc.security import dom_sid
  34 from samba import dsdb
  35 from samba.ndr import ndr_pack
  36 from samba import unix2nttime
  37
  38
  39 def import_sam_policy(samdb, policy, logger):
  40     """Import a Samba 3 policy.
  41
  42     :param samdb: Samba4 SAM database
  43     :param policy: Samba3 account policy
  44     :param logger: Logger object
  45     """
  46
  47     # Following entries are used -
  48     #    min password length, password history, minimum password age,
  49     #    maximum password age, lockout duration
  50     #
  51     # Following entries are not used -
  52     #    reset count minutes, user must logon to change password,
  53     #    bad lockout minutes, disconnect time
  54
  55     m = ldb.Message()
  56     m.dn = samdb.get_default_basedn()
  57     m['a01'] = ldb.MessageElement(str(policy['min password length']),
  58         ldb.FLAG_MOD_REPLACE, 'minPwdLength')
  59     m['a02'] = ldb.MessageElement(str(policy['password history']),
  60         ldb.FLAG_MOD_REPLACE, 'pwdHistoryLength')
  61
  62     min_pw_age_unix = policy['minimum password age']
  63     min_pw_age_nt = int(-min_pw_age_unix * (1e7 * 60 * 60 * 24))
  64     m['a03'] = ldb.MessageElement(str(min_pw_age_nt), ldb.FLAG_MOD_REPLACE,
  65         'minPwdAge')
  66
  67     max_pw_age_unix = policy['maximum password age']
  68     if max_pw_age_unix == -1:
  69         max_pw_age_nt = -0x8000000000000000
  70     else:
  71         max_pw_age_nt = int(-max_pw_age_unix * (1e7 * 60 * 60 * 24))
  72
  73     m['a04'] = ldb.MessageElement(str(max_pw_age_nt), ldb.FLAG_MOD_REPLACE,
  74                                   'maxPwdAge')
  75
  76     lockout_duration_mins = policy['lockout duration']
  77     lockout_duration_nt = unix2nttime(lockout_duration_mins * 60)
  78
  79     m['a05'] = ldb.MessageElement(str(lockout_duration_nt),
  80         ldb.FLAG_MOD_REPLACE, 'lockoutDuration')
  81
  82     try:
  83         samdb.modify(m)
  84     except ldb.LdbError, e:
  85         logger.warn("Could not set account policy, (%s)", str(e))
  86
  87
  88 def add_idmap_entry(idmapdb, sid, xid, xid_type, logger):
  89     """Create idmap entry
  90
  91     :param idmapdb: Samba4 IDMAP database
  92     :param sid: user/group sid
  93     :param xid: user/group id
  94     :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
  95     :param logger: Logger object
  96     """
  97
  98     # First try to see if we already have this entry
  99     found = False
 100     msg = idmapdb.search(expression='objectSid=%s' % str(sid))
 101     if msg.count == 1:
 102         found = True
 103
 104     if found:
 105         try:
 106             m = ldb.Message()
 107             m.dn = msg[0]['dn']
 108             m['xidNumber'] = ldb.MessageElement(
 109                 str(xid), ldb.FLAG_MOD_REPLACE, 'xidNumber')
 110             m['type'] = ldb.MessageElement(
 111                 xid_type, ldb.FLAG_MOD_REPLACE, 'type')
 112             idmapdb.modify(m)
 113         except ldb.LdbError, e:
 114             logger.warn(
 115                 'Could not modify idmap entry for sid=%s, id=%s, type=%s (%s)',
 116                 str(sid), str(xid), xid_type, str(e))
 117     else:
 118         try:
 119             idmapdb.add({"dn": "CN=%s" % str(sid),
 120                         "cn": str(sid),
 121                         "objectClass": "sidMap",
 122                         "objectSid": ndr_pack(sid),
 123                         "type": xid_type,
 124                         "xidNumber": str(xid)})
 125         except ldb.LdbError, e:
 126             logger.warn(
 127                 'Could not add idmap entry for sid=%s, id=%s, type=%s (%s)',
 128                 str(sid), str(xid), xid_type, str(e))
 129
 130
 131 def import_idmap(idmapdb, samba3, logger):
 132     """Import idmap data.
 133
 134     :param idmapdb: Samba4 IDMAP database
 135     :param samba3_idmap: Samba3 IDMAP database to import from
 136     :param logger: Logger object
 137     """
 138
 139     try:
 140         samba3_idmap = samba3.get_idmap_db()
 141     except IOError, e:
 142         logger.warn('Cannot open idmap database, Ignoring: %s', str(e))
 143         return
 144
 145     currentxid = max(samba3_idmap.get_user_hwm(), samba3_idmap.get_group_hwm())
 146     lowerbound = currentxid
 147     # FIXME: upperbound
 148
 149     m = ldb.Message()
 150     m.dn = ldb.Dn(idmapdb, 'CN=CONFIG')
 151     m['lowerbound'] = ldb.MessageElement(
 152         str(lowerbound), ldb.FLAG_MOD_REPLACE, 'lowerBound')
 153     m['xidNumber'] = ldb.MessageElement(
 154         str(currentxid), ldb.FLAG_MOD_REPLACE, 'xidNumber')
 155     idmapdb.modify(m)
 156
 157     for id_type, xid in samba3_idmap.ids():
 158         if id_type == 'UID':
 159             xid_type = 'ID_TYPE_UID'
 160         elif id_type == 'GID':
 161             xid_type = 'ID_TYPE_GID'
 162         else:
 163             logger.warn('Wrong type of entry in idmap (%s), Ignoring', id_type)
 164             continue
 165
 166         sid = samba3_idmap.get_sid(xid, id_type)
 167         add_idmap_entry(idmapdb, dom_sid(sid), xid, xid_type, logger)
 168
 169
 170 def add_group_from_mapping_entry(samdb, groupmap, logger):
 171     """Add or modify group from group mapping entry
 172
 173     param samdb: Samba4 SAM database
 174     param groupmap: Groupmap entry
 175     param logger: Logger object
 176     """
 177
 178     # First try to see if we already have this entry
 179     try:
 180         msg = samdb.search(
 181             base='<SID=%s>' % str(groupmap.sid), scope=ldb.SCOPE_BASE)
 182         found = True
 183     except ldb.LdbError, (ecode, emsg):
 184         if ecode == ldb.ERR_NO_SUCH_OBJECT:
 185             found = False
 186         else:
 187             raise ldb.LdbError(ecode, emsg)
 188
 189     if found:
 190         logger.warn('Group already exists sid=%s, groupname=%s existing_groupname=%s, Ignoring.',
 191                             str(groupmap.sid), groupmap.nt_name, msg[0]['sAMAccountName'][0])
 192     else:
 193         if groupmap.sid_name_use == lsa.SID_NAME_WKN_GRP:
 194             # In a lot of Samba3 databases, aliases are marked as well known groups
 195             (group_dom_sid, rid) = groupmap.sid.split()
 196             if (group_dom_sid != security.dom_sid(security.SID_BUILTIN)):
 197                 return
 198
 199         m = ldb.Message()
 200         m.dn = ldb.Dn(samdb, "CN=%s,CN=Users,%s" % (groupmap.nt_name, samdb.get_default_basedn()))
 201         m['cn'] = ldb.MessageElement(groupmap.nt_name, ldb.FLAG_MOD_ADD, 'cn')
 202         m['objectClass'] = ldb.MessageElement('group', ldb.FLAG_MOD_ADD, 'objectClass')
 203         m['objectSid'] = ldb.MessageElement(ndr_pack(groupmap.sid), ldb.FLAG_MOD_ADD,
 204             'objectSid')
 205         m['sAMAccountName'] = ldb.MessageElement(groupmap.nt_name, ldb.FLAG_MOD_ADD,
 206             'sAMAccountName')
 207
 208         if groupmap.comment:
 209             m['description'] = ldb.MessageElement(groupmap.comment, ldb.FLAG_MOD_ADD,
 210                 'description')
 211
 212         # Fix up incorrect 'well known' groups that are actually builtin (per test above) to be aliases
 213         if groupmap.sid_name_use == lsa.SID_NAME_ALIAS or groupmap.sid_name_use == lsa.SID_NAME_WKN_GRP:
 214             m['groupType'] = ldb.MessageElement(str(dsdb.GTYPE_SECURITY_DOMAIN_LOCAL_GROUP),
 215                 ldb.FLAG_MOD_ADD, 'groupType')
 216
 217         try:
 218             samdb.add(m, controls=["relax:0"])
 219         except ldb.LdbError, e:
 220             logger.warn('Could not add group name=%s (%s)', groupmap.nt_name, str(e))
 221
 222
 223 def add_users_to_group(samdb, group, members, logger):
 224     """Add user/member to group/alias
 225
 226     param samdb: Samba4 SAM database
 227     param group: Groupmap object
 228     param members: List of member SIDs
 229     param logger: Logger object
 230     """
 231     for member_sid in members:
 232         m = ldb.Message()
 233         m.dn = ldb.Dn(samdb, "<SID=%s>" % str(group.sid))
 234         m['a01'] = ldb.MessageElement("<SID=%s>" % str(member_sid), ldb.FLAG_MOD_ADD, 'member')
 235
 236         try:
 237             samdb.modify(m)
 238         except ldb.LdbError, (ecode, emsg):
 239             if ecode == ldb.ERR_ENTRY_ALREADY_EXISTS:
 240                 logger.debug("skipped re-adding member '%s' to group '%s': %s", member_sid, group.sid, emsg)
 241             elif ecode == ldb.ERR_NO_SUCH_OBJECT:
 242                 raise ProvisioningError("Could not add member '%s' to group '%s' as either group or user record doesn't exist: %s" % (member_sid, group.sid, emsg))
 243             else:
 244                 raise ProvisioningError("Could not add member '%s' to group '%s': %s" % (member_sid, group.sid, emsg))
 245
 246
 247 def import_wins(samba4_winsdb, samba3_winsdb):
 248     """Import settings from a Samba3 WINS database.
 249
 250     :param samba4_winsdb: WINS database to import to
 251     :param samba3_winsdb: WINS database to import from
 252     """
 253
 254     version_id = 0
 255
 256     for (name, (ttl, ips, nb_flags)) in samba3_winsdb.items():
 257         version_id += 1
 258
 259         type = int(name.split("#", 1)[1], 16)
 260
 261         if type == 0x1C:
 262             rType = 0x2
 263         elif type & 0x80:
 264             if len(ips) > 1:
 265                 rType = 0x2
 266             else:
 267                 rType = 0x1
 268         else:
 269             if len(ips) > 1:
 270                 rType = 0x3
 271             else:
 272                 rType = 0x0
 273
 274         if ttl > time.time():
 275             rState = 0x0 # active
 276         else:
 277             rState = 0x1 # released
 278
 279         nType = ((nb_flags & 0x60) >> 5)
 280
 281         samba4_winsdb.add({"dn": "name=%s,type=0x%s" % tuple(name.split("#")),
 282                            "type": name.split("#")[1],
 283                            "name": name.split("#")[0],
 284                            "objectClass": "winsRecord",
 285                            "recordType": str(rType),
 286                            "recordState": str(rState),
 287                            "nodeType": str(nType),
 288                            "expireTime": ldb.timestring(ttl),
 289                            "isStatic": "0",
 290                            "versionID": str(version_id),
 291                            "address": ips})
 292
 293     samba4_winsdb.add({"dn": "cn=VERSION",
 294                        "cn": "VERSION",
 295                        "objectClass": "winsMaxVersion",
 296                        "maxVersion": str(version_id)})
 297
 298
 299 def enable_samba3sam(samdb, ldapurl):
 300     """Enable Samba 3 LDAP URL database.
 301
 302     :param samdb: SAM Database.
 303     :param ldapurl: Samba 3 LDAP URL
 304     """
 305     samdb.modify_ldif("""
 306 dn: @MODULES
 307 changetype: modify
 308 replace: @LIST
 309 @LIST: samldb,operational,objectguid,rdn_name,samba3sam
 310 """)
 311
 312     samdb.add({"dn": "@MAP=samba3sam", "@MAP_URL": ldapurl})
 313
 314
 315 smbconf_keep = [
 316     "dos charset",
 317     "unix charset",
 318     "display charset",
 319     "comment",
 320     "path",
 321     "directory",
 322     "workgroup",
 323     "realm",
 324     "netbios name",
 325     "netbios aliases",
 326     "netbios scope",
 327     "server string",
 328     "interfaces",
 329     "bind interfaces only",
 330     "security",
 331     "auth methods",
 332     "encrypt passwords",
 333     "null passwords",
 334     "obey pam restrictions",
 335     "password server",
 336     "smb passwd file",
 337     "private dir",
 338     "passwd chat",
 339     "password level",
 340     "lanman auth",
 341     "ntlm auth",
 342     "client NTLMv2 auth",
 343     "client lanman auth",
 344     "client plaintext auth",
 345     "read only",
 346     "hosts allow",
 347     "hosts deny",
 348     "log level",
 349     "debuglevel",
 350     "log file",
 351     "smb ports",
 352     "large readwrite",
 353     "max protocol",
 354     "min protocol",
 355     "unicode",
 356     "read raw",
 357     "write raw",
 358     "disable netbios",
 359     "nt status support",
 360     "max mux",
 361     "max xmit",
 362     "name resolve order",
 363     "max wins ttl",
 364     "min wins ttl",
 365     "time server",
 366     "unix extensions",
 367     "use spnego",
 368     "server signing",
 369     "client signing",
 370     "max connections",
 371     "paranoid server security",
 372     "socket options",
 373     "strict sync",
 374     "max print jobs",
 375     "printable",
 376     "print ok",
 377     "printer name",
 378     "printer",
 379     "map system",
 380     "map hidden",
 381     "map archive",
 382     "preferred master",
 383     "prefered master",
 384     "local master",
 385     "browseable",
 386     "browsable",
 387     "wins server",
 388     "wins support",
 389     "csc policy",
 390     "strict locking",
 391     "preload",
 392     "auto services",
 393     "lock dir",
 394     "lock directory",
 395     "pid directory",
 396     "socket address",
 397     "copy",
 398     "include",
 399     "available",
 400     "volume",
 401     "fstype",
 402     "panic action",
 403     "msdfs root",
 404     "host msdfs",
 405     "winbind separator"]
 406
 407
 408 def upgrade_smbconf(oldconf, mark):
 409     """Remove configuration variables not present in Samba4
 410
 411     :param oldconf: Old configuration structure
 412     :param mark: Whether removed configuration variables should be
 413         kept in the new configuration as "samba3:<name>"
 414     """
 415     data = oldconf.data()
 416     newconf = LoadParm()
 417
 418     for s in data:
 419         for p in data[s]:
 420             keep = False
 421             for k in smbconf_keep:
 422                 if smbconf_keep[k] == p:
 423                     keep = True
 424                     break
 425
 426             if keep:
 427                 newconf.set(s, p, oldconf.get(s, p))
 428             elif mark:
 429                 newconf.set(s, "samba3:" + p, oldconf.get(s, p))
 430
 431     return newconf
 432
 433 SAMBA3_PREDEF_NAMES = {
 434         'HKLM': registry.HKEY_LOCAL_MACHINE,
 435 }
 436
 437
 438 def import_registry(samba4_registry, samba3_regdb):
 439     """Import a Samba 3 registry database into the Samba 4 registry.
 440
 441     :param samba4_registry: Samba 4 registry handle.
 442     :param samba3_regdb: Samba 3 registry database handle.
 443     """
 444     def ensure_key_exists(keypath):
 445         (predef_name, keypath) = keypath.split("/", 1)
 446         predef_id = SAMBA3_PREDEF_NAMES[predef_name]
 447         keypath = keypath.replace("/", "\\")
 448         return samba4_registry.create_key(predef_id, keypath)
 449
 450     for key in samba3_regdb.keys():
 451         key_handle = ensure_key_exists(key)
 452         for subkey in samba3_regdb.subkeys(key):
 453             ensure_key_exists(subkey)
 454         for (value_name, (value_type, value_data)) in samba3_regdb.values(key).items():
 455             key_handle.set_value(value_name, value_type, value_data)
 456
 457
 458 def upgrade_from_samba3(samba3, logger, targetdir, session_info=None, useeadb=False):
 459     """Upgrade from samba3 database to samba4 AD database
 460
 461     :param samba3: samba3 object
 462     :param logger: Logger object
 463     :param targetdir: samba4 database directory
 464     :param session_info: Session information
 465     """
 466     serverrole = samba3.lp.server_role()
 467
 468     domainname = samba3.lp.get("workgroup")
 469     realm = samba3.lp.get("realm")
 470     netbiosname = samba3.lp.get("netbios name")
 471
 472     # secrets db
 473     try:
 474         secrets_db = samba3.get_secrets_db()
 475     except IOError, e:
 476         raise ProvisioningError("Could not open '%s', the Samba3 secrets database: %s.  Perhaps you specified the incorrect smb.conf, --testparm or --dbdir option?" % (samba3.privatedir_path("secrets.tdb"), str(e)))
 477
 478     if not domainname:
 479         domainname = secrets_db.domains()[0]
 480         logger.warning("No workgroup specified in smb.conf file, assuming '%s'",
 481                 domainname)
 482
 483     if not realm:
 484         if serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC":
 485             raise ProvisioningError("No realm specified in smb.conf file and being a DC. That upgrade path doesn't work! Please add a 'realm' directive to your old smb.conf to let us know which one you want to use (it is the DNS name of the AD domain you wish to create.")
 486         else:
 487             realm = domainname.upper()
 488             logger.warning("No realm specified in smb.conf file, assuming '%s'",
 489                     realm)
 490
 491     # Find machine account and password
 492     next_rid = 1000
 493
 494     try:
 495         machinepass = secrets_db.get_machine_password(netbiosname)
 496     except KeyError:
 497         machinepass = None
 498
 499     # We must close the direct pytdb database before the C code loads it
 500     secrets_db.close()
 501
 502     # Connect to old password backend
 503     passdb.set_secrets_dir(samba3.lp.get("private dir"))
 504     s3db = samba3.get_sam_db()
 505
 506     # Get domain sid
 507     try:
 508         domainsid = passdb.get_global_sam_sid()
 509     except passdb.error:
 510         raise Exception("Can't find domain sid for '%s', Exiting." % domainname)
 511
 512     # Get machine account, sid, rid
 513     try:
 514         machineacct = s3db.getsampwnam('%s$' % netbiosname)
 515     except passdb.error:
 516         machinerid = None
 517         machinesid = None
 518     else:
 519         machinesid, machinerid = machineacct.user_sid.split()
 520
 521     # Export account policy
 522     logger.info("Exporting account policy")
 523     policy = s3db.get_account_policy()
 524
 525     # Export groups from old passdb backend
 526     logger.info("Exporting groups")
 527     grouplist = s3db.enum_group_mapping()
 528     groupmembers = {}
 529     for group in grouplist:
 530         sid, rid = group.sid.split()
 531         if sid == domainsid:
 532             if rid >= next_rid:
 533                 next_rid = rid + 1
 534
 535         # Get members for each group/alias
 536         if group.sid_name_use == lsa.SID_NAME_ALIAS:
 537             members = s3db.enum_aliasmem(group.sid)
 538         elif group.sid_name_use == lsa.SID_NAME_DOM_GRP:
 539             try:
 540                 members = s3db.enum_group_members(group.sid)
 541             except passdb.error:
 542                 continue
 543             groupmembers[group.nt_name] = members
 544         elif group.sid_name_use == lsa.SID_NAME_WKN_GRP:
 545             (group_dom_sid, rid) = group.sid.split()
 546             if (group_dom_sid != security.dom_sid(security.SID_BUILTIN)):
 547                 logger.warn("Ignoring 'well known' group '%s' (should already be in AD, and have no members)",
 548                             group.nt_name)
 549                 continue
 550             # A number of buggy databases mix up well known groups and aliases.
 551             members = s3db.enum_aliasmem(group.sid)
 552         else:
 553             logger.warn("Ignoring group '%s' with sid_name_use=%d",
 554                         group.nt_name, group.sid_name_use)
 555             continue
 556
 557     # Export users from old passdb backend
 558     logger.info("Exporting users")
 559     userlist = s3db.search_users(0)
 560     userdata = {}
 561     uids = {}
 562     admin_user = None
 563     for entry in userlist:
 564         if machinerid and machinerid == entry['rid']:
 565             continue
 566         username = entry['account_name']
 567         if entry['rid'] < 1000:
 568             logger.info("  Skipping wellknown rid=%d (for username=%s)", entry['rid'], username)
 569             continue
 570         if entry['rid'] >= next_rid:
 571             next_rid = entry['rid'] + 1
 572
 573         user = s3db.getsampwnam(username)
 574         acct_type = (user.acct_ctrl & (samr.ACB_NORMAL|samr.ACB_WSTRUST|samr.ACB_SVRTRUST|samr.ACB_DOMTRUST))
 575         if (acct_type == samr.ACB_NORMAL or acct_type == samr.ACB_WSTRUST or acct_type == samr.ACB_SVRTRUST):
 576             pass
 577         elif acct_type == samr.ACB_DOMTRUST:
 578             logger.warn("  Skipping inter-domain trust from domain %s, this trust must be re-created as an AD trust" % username[:-1])
 579             continue
 580         elif acct_type == (samr.ACB_NORMAL|samr.ACB_WSTRUST) and username[-1] == '$':
 581             logger.warn("  Fixing account %s which had both ACB_NORMAL (U) and ACB_WSTRUST (W) set.  Account will be marked as ACB_WSTRUST (W), i.e. as a domain member" % username)
 582             user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_NORMAL)
 583         else:
 584             raise ProvisioningError("""Failed to upgrade due to invalid account %s, account control flags 0x%08X must have exactly one of
 585 ACB_NORMAL (N, 0x%08X), ACB_WSTRUST (W 0x%08X), ACB_SVRTRUST (S 0x%08X) or ACB_DOMTRUST (D 0x%08X).
 586
 587 Please fix this account before attempting to upgrade again
 588 """
 589                                     % (user.acct_flags, username,
 590                                        samr.ACB_NORMAL, samr.ACB_WSTRUST, samr.ACB_SVRTRUST, samr.ACB_DOMTRUST))
 591
 592         userdata[username] = user
 593         try:
 594             uids[username] = s3db.sid_to_id(user.user_sid)[0]
 595         except passdb.error:
 596             try:
 597                 uids[username] = pwd.getpwnam(username).pw_uid
 598             except KeyError:
 599                 pass
 600
 601         if not admin_user and username.lower() == 'root':
 602             admin_user = username
 603         if username.lower() == 'administrator':
 604             admin_user = username
 605
 606     logger.info("Next rid = %d", next_rid)
 607
 608     # Check for same username/groupname
 609     group_names = set([g.nt_name for g in grouplist])
 610     user_names = set([u['account_name'] for u in userlist])
 611     common_names = group_names.intersection(user_names)
 612     if common_names:
 613         logger.error("Following names are both user names and group names:")
 614         for name in common_names:
 615             logger.error("   %s" % name)
 616         raise ProvisioningError("Please remove common user/group names before upgrade.")
 617
 618     # Check for same user sid/group sid
 619     group_sids = set([str(g.sid) for g in grouplist])
 620     if len(grouplist) != len(group_sids):
 621         raise ProvisioningError("Please remove duplicate group sid entries before upgrade.")
 622     user_sids = set(["%s-%u" % (domainsid, u['rid']) for u in userlist])
 623     if len(userlist) != len(user_sids):
 624         raise ProvisioningError("Please remove duplicate user sid entries before upgrade.")
 625     common_sids = group_sids.intersection(user_sids)
 626     if common_sids:
 627         logger.error("Following sids are both user and group sids:")
 628         for sid in common_sids:
 629             logger.error("   %s" % str(sid))
 630         raise ProvisioningError("Please remove duplicate sid entries before upgrade.")
 631
 632     if serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC":
 633         dns_backend = "BIND9_DLZ"
 634     else:
 635         dns_backend = "NONE"
 636
 637     # Do full provision
 638     result = provision(logger, session_info, None,
 639                        targetdir=targetdir, realm=realm, domain=domainname,
 640                        domainsid=str(domainsid), next_rid=next_rid,
 641                        dc_rid=machinerid,
 642                        dom_for_fun_level=dsdb.DS_DOMAIN_FUNCTION_2003,
 643                        hostname=netbiosname.lower(), machinepass=machinepass,
 644                        serverrole=serverrole, samdb_fill=FILL_FULL,
 645                        useeadb=useeadb, dns_backend=dns_backend)
 646
 647     # Import WINS database
 648     logger.info("Importing WINS database")
 649
 650     samba3_winsdb = None
 651     try:
 652         samba3_winsdb = samba3.get_wins_db()
 653     except IOError, e:
 654         logger.warn('Cannot open wins database, Ignoring: %s', str(e))
 655
 656     if samba3_winsdb:
 657         import_wins(Ldb(result.paths.winsdb), samba3_winsdb)
 658
 659     # Set Account policy
 660     logger.info("Importing Account policy")
 661     import_sam_policy(result.samdb, policy, logger)
 662
 663     # Migrate IDMAP database
 664     logger.info("Importing idmap database")
 665     import_idmap(result.idmap, samba3, logger)
 666
 667     # Set the s3 context for samba4 configuration
 668     new_lp_ctx = s3param.get_context()
 669     new_lp_ctx.load(result.lp.configfile)
 670     new_lp_ctx.set("private dir", result.lp.get("private dir"))
 671     new_lp_ctx.set("state directory", result.lp.get("state directory"))
 672     new_lp_ctx.set("lock directory", result.lp.get("lock directory"))
 673
 674     # Connect to samba4 backend
 675     s4_passdb = passdb.PDB(new_lp_ctx.get("passdb backend"))
 676
 677     # Export groups to samba4 backend
 678     logger.info("Importing groups")
 679     for g in grouplist:
 680         # Ignore uninitialized groups (gid = -1)
 681         if g.gid != -1:
 682             add_idmap_entry(result.idmap, g.sid, g.gid, "ID_TYPE_GID", logger)
 683             add_group_from_mapping_entry(result.samdb, g, logger)
 684
 685     # Export users to samba4 backend
 686     logger.info("Importing users")
 687     for username in userdata:
 688         if username.lower() == 'administrator' or username.lower() == 'root':
 689             continue
 690         s4_passdb.add_sam_account(userdata[username])
 691         if username in uids:
 692             add_idmap_entry(result.idmap, userdata[username].user_sid, uids[username], "ID_TYPE_UID", logger)
 693
 694     logger.info("Adding users to groups")
 695     for g in grouplist:
 696         if g.nt_name in groupmembers:
 697             add_users_to_group(result.samdb, g, groupmembers[g.nt_name], logger)
 698
 699     # Set password for administrator
 700     if admin_user:
 701         logger.info("Setting password for administrator")
 702         admin_userdata = s4_passdb.getsampwnam("administrator")
 703         admin_userdata.nt_passwd = userdata[admin_user].nt_passwd
 704         if userdata[admin_user].lanman_passwd:
 705             admin_userdata.lanman_passwd = userdata[admin_user].lanman_passwd
 706         admin_userdata.pass_last_set_time = userdata[admin_user].pass_last_set_time
 707         if userdata[admin_user].pw_history:
 708             admin_userdata.pw_history = userdata[admin_user].pw_history
 709         s4_passdb.update_sam_account(admin_userdata)
 710         logger.info("Administrator password has been set to password of user '%s'", admin_user)
 711
 712     # FIXME: import_registry(registry.Registry(), samba3.get_registry())
 713     # FIXME: shares