1 # backend code for upgrading from Samba3
2 # Copyright Jelmer Vernooij 2005-2007
3 # Copyright Andrew Bartlett 2011
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.
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.
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/>.
19 """Support code for upgrading from Samba 3 to Samba 4."""
21 __docformat__ = "restructuredText"
27 from samba import Ldb, registry
28 from samba.param import LoadParm
29 from samba.provision import provision, ProvisioningError, setsysvolacl
30 from samba.provision.common import FILL_FULL
31 from samba.samba3 import passdb
32 from samba.samba3 import param as s3param
33 from samba.dcerpc import lsa, samr, security
34 from samba.dcerpc.security import dom_sid
35 from samba.credentials import Credentials
36 from samba import dsdb
37 from samba.ndr import ndr_pack
38 from samba import unix2nttime
39 from samba import generate_random_password
42 def import_sam_policy(samdb, policy, logger):
43 """Import a Samba 3 policy.
45 :param samdb: Samba4 SAM database
46 :param policy: Samba3 account policy
47 :param logger: Logger object
50 # Following entries are used -
51 # min password length, password history, minimum password age,
52 # maximum password age, lockout duration
54 # Following entries are not used -
55 # reset count minutes, user must logon to change password,
56 # bad lockout minutes, disconnect time
59 m.dn = samdb.get_default_basedn()
61 if 'min password length' in policy:
62 m['a01'] = ldb.MessageElement(str(policy['min password length']),
63 ldb.FLAG_MOD_REPLACE, 'minPwdLength')
65 if 'password history' in policy:
66 m['a02'] = ldb.MessageElement(str(policy['password history']),
67 ldb.FLAG_MOD_REPLACE, 'pwdHistoryLength')
69 if 'minimum password age' in policy:
70 min_pw_age_unix = policy['minimum password age']
71 min_pw_age_nt = int(-min_pw_age_unix * (1e7))
72 m['a03'] = ldb.MessageElement(str(min_pw_age_nt), ldb.FLAG_MOD_REPLACE,
75 if 'maximum password age' in policy:
76 max_pw_age_unix = policy['maximum password age']
77 if max_pw_age_unix == -1 or max_pw_age_unix == 0:
78 max_pw_age_nt = -0x8000000000000000
80 max_pw_age_nt = int(-max_pw_age_unix * (1e7))
82 m['a04'] = ldb.MessageElement(str(max_pw_age_nt), ldb.FLAG_MOD_REPLACE,
85 if 'lockout duration' in policy:
86 lockout_duration_mins = policy['lockout duration']
87 lockout_duration_nt = unix2nttime(lockout_duration_mins * 60)
89 m['a05'] = ldb.MessageElement(str(lockout_duration_nt),
90 ldb.FLAG_MOD_REPLACE, 'lockoutDuration')
94 except ldb.LdbError, e:
95 logger.warn("Could not set account policy, (%s)", str(e))
98 def add_posix_attrs(logger, samdb, sid, name, nisdomain, xid_type, home=None,
99 shell=None, pgid=None):
100 """Add posix attributes for the user/group
102 :param samdb: Samba4 sam.ldb database
103 :param sid: user/group sid
104 :param sid: user/group name
105 :param nisdomain: name of the (fake) NIS domain
106 :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
107 :param home: user homedir (Unix homepath)
108 :param shell: user shell
109 :param pgid: users primary group id
114 m.dn = ldb.Dn(samdb, "<SID=%s>" % str(sid))
115 if xid_type == "ID_TYPE_UID":
116 m['unixHomeDirectory'] = ldb.MessageElement(
117 str(home), ldb.FLAG_MOD_REPLACE, 'unixHomeDirectory')
118 m['loginShell'] = ldb.MessageElement(
119 str(shell), ldb.FLAG_MOD_REPLACE, 'loginShell')
120 m['gidNumber'] = ldb.MessageElement(
121 str(pgid), ldb.FLAG_MOD_REPLACE, 'gidNumber')
123 m['msSFU30NisDomain'] = ldb.MessageElement(
124 str(nisdomain), ldb.FLAG_MOD_REPLACE, 'msSFU30NisDomain')
127 except ldb.LdbError, e:
129 'Could not add posix attrs for AD entry for sid=%s, (%s)',
132 def add_ad_posix_idmap_entry(samdb, sid, xid, xid_type, logger):
133 """Create idmap entry
135 :param samdb: Samba4 sam.ldb database
136 :param sid: user/group sid
137 :param xid: user/group id
138 :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
139 :param logger: Logger object
144 m.dn = ldb.Dn(samdb, "<SID=%s>" % str(sid))
145 if xid_type == "ID_TYPE_UID":
146 m['uidNumber'] = ldb.MessageElement(
147 str(xid), ldb.FLAG_MOD_REPLACE, 'uidNumber')
148 m['objectClass'] = ldb.MessageElement(
149 "posixAccount", ldb.FLAG_MOD_ADD, 'objectClass')
150 elif xid_type == "ID_TYPE_GID":
151 m['gidNumber'] = ldb.MessageElement(
152 str(xid), ldb.FLAG_MOD_REPLACE, 'gidNumber')
153 m['objectClass'] = ldb.MessageElement(
154 "posixGroup", ldb.FLAG_MOD_ADD, 'objectClass')
157 except ldb.LdbError, e:
159 'Could not modify AD idmap entry for sid=%s, id=%s, type=%s (%s)',
160 str(sid), str(xid), xid_type, str(e))
163 def add_idmap_entry(idmapdb, sid, xid, xid_type, logger):
164 """Create idmap entry
166 :param idmapdb: Samba4 IDMAP database
167 :param sid: user/group sid
168 :param xid: user/group id
169 :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
170 :param logger: Logger object
173 # First try to see if we already have this entry
175 msg = idmapdb.search(expression='objectSid=%s' % str(sid))
183 m['xidNumber'] = ldb.MessageElement(
184 str(xid), ldb.FLAG_MOD_REPLACE, 'xidNumber')
185 m['type'] = ldb.MessageElement(
186 xid_type, ldb.FLAG_MOD_REPLACE, 'type')
188 except ldb.LdbError, e:
190 'Could not modify idmap entry for sid=%s, id=%s, type=%s (%s)',
191 str(sid), str(xid), xid_type, str(e))
194 idmapdb.add({"dn": "CN=%s" % str(sid),
196 "objectClass": "sidMap",
197 "objectSid": ndr_pack(sid),
199 "xidNumber": str(xid)})
200 except ldb.LdbError, e:
202 'Could not add idmap entry for sid=%s, id=%s, type=%s (%s)',
203 str(sid), str(xid), xid_type, str(e))
206 def import_idmap(idmapdb, samba3, logger):
207 """Import idmap data.
209 :param idmapdb: Samba4 IDMAP database
210 :param samba3_idmap: Samba3 IDMAP database to import from
211 :param logger: Logger object
215 samba3_idmap = samba3.get_idmap_db()
217 logger.warn('Cannot open idmap database, Ignoring: %s', str(e))
220 currentxid = max(samba3_idmap.get_user_hwm(), samba3_idmap.get_group_hwm())
221 lowerbound = currentxid
225 m.dn = ldb.Dn(idmapdb, 'CN=CONFIG')
226 m['lowerbound'] = ldb.MessageElement(
227 str(lowerbound), ldb.FLAG_MOD_REPLACE, 'lowerBound')
228 m['xidNumber'] = ldb.MessageElement(
229 str(currentxid), ldb.FLAG_MOD_REPLACE, 'xidNumber')
232 for id_type, xid in samba3_idmap.ids():
234 xid_type = 'ID_TYPE_UID'
235 elif id_type == 'GID':
236 xid_type = 'ID_TYPE_GID'
238 logger.warn('Wrong type of entry in idmap (%s), Ignoring', id_type)
241 sid = samba3_idmap.get_sid(xid, id_type)
242 add_idmap_entry(idmapdb, dom_sid(sid), xid, xid_type, logger)
245 def add_group_from_mapping_entry(samdb, groupmap, logger):
246 """Add or modify group from group mapping entry
248 param samdb: Samba4 SAM database
249 param groupmap: Groupmap entry
250 param logger: Logger object
253 # First try to see if we already have this entry
256 base='<SID=%s>' % str(groupmap.sid), scope=ldb.SCOPE_BASE)
258 except ldb.LdbError, (ecode, emsg):
259 if ecode == ldb.ERR_NO_SUCH_OBJECT:
262 raise ldb.LdbError(ecode, emsg)
265 logger.warn('Group already exists sid=%s, groupname=%s existing_groupname=%s, Ignoring.',
266 str(groupmap.sid), groupmap.nt_name, msg[0]['sAMAccountName'][0])
268 if groupmap.sid_name_use == lsa.SID_NAME_WKN_GRP:
269 # In a lot of Samba3 databases, aliases are marked as well known groups
270 (group_dom_sid, rid) = groupmap.sid.split()
271 if (group_dom_sid != security.dom_sid(security.SID_BUILTIN)):
275 m.dn = ldb.Dn(samdb, "CN=%s,CN=Users,%s" % (groupmap.nt_name, samdb.get_default_basedn()))
276 m['cn'] = ldb.MessageElement(groupmap.nt_name, ldb.FLAG_MOD_ADD, 'cn')
277 m['objectClass'] = ldb.MessageElement('group', ldb.FLAG_MOD_ADD, 'objectClass')
278 m['objectSid'] = ldb.MessageElement(ndr_pack(groupmap.sid), ldb.FLAG_MOD_ADD,
280 m['sAMAccountName'] = ldb.MessageElement(groupmap.nt_name, ldb.FLAG_MOD_ADD,
284 m['description'] = ldb.MessageElement(groupmap.comment, ldb.FLAG_MOD_ADD,
287 # Fix up incorrect 'well known' groups that are actually builtin (per test above) to be aliases
288 if groupmap.sid_name_use == lsa.SID_NAME_ALIAS or groupmap.sid_name_use == lsa.SID_NAME_WKN_GRP:
289 m['groupType'] = ldb.MessageElement(str(dsdb.GTYPE_SECURITY_DOMAIN_LOCAL_GROUP),
290 ldb.FLAG_MOD_ADD, 'groupType')
293 samdb.add(m, controls=["relax:0"])
294 except ldb.LdbError, e:
295 logger.warn('Could not add group name=%s (%s)', groupmap.nt_name, str(e))
298 def add_users_to_group(samdb, group, members, logger):
299 """Add user/member to group/alias
301 param samdb: Samba4 SAM database
302 param group: Groupmap object
303 param members: List of member SIDs
304 param logger: Logger object
306 for member_sid in members:
308 m.dn = ldb.Dn(samdb, "<SID=%s>" % str(group.sid))
309 m['a01'] = ldb.MessageElement("<SID=%s>" % str(member_sid), ldb.FLAG_MOD_ADD, 'member')
313 except ldb.LdbError, (ecode, emsg):
314 if ecode == ldb.ERR_ENTRY_ALREADY_EXISTS:
315 logger.debug("skipped re-adding member '%s' to group '%s': %s", member_sid, group.sid, emsg)
316 elif ecode == ldb.ERR_NO_SUCH_OBJECT:
317 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))
319 raise ProvisioningError("Could not add member '%s' to group '%s': %s" % (member_sid, group.sid, emsg))
322 def import_wins(samba4_winsdb, samba3_winsdb):
323 """Import settings from a Samba3 WINS database.
325 :param samba4_winsdb: WINS database to import to
326 :param samba3_winsdb: WINS database to import from
331 for (name, (ttl, ips, nb_flags)) in samba3_winsdb.items():
334 type = int(name.split("#", 1)[1], 16)
349 if ttl > time.time():
350 rState = 0x0 # active
352 rState = 0x1 # released
354 nType = ((nb_flags & 0x60) >> 5)
356 samba4_winsdb.add({"dn": "name=%s,type=0x%s" % tuple(name.split("#")),
357 "type": name.split("#")[1],
358 "name": name.split("#")[0],
359 "objectClass": "winsRecord",
360 "recordType": str(rType),
361 "recordState": str(rState),
362 "nodeType": str(nType),
363 "expireTime": ldb.timestring(ttl),
365 "versionID": str(version_id),
368 samba4_winsdb.add({"dn": "cn=VERSION",
370 "objectClass": "winsMaxVersion",
371 "maxVersion": str(version_id)})
374 SAMBA3_PREDEF_NAMES = {
375 'HKLM': registry.HKEY_LOCAL_MACHINE,
379 def import_registry(samba4_registry, samba3_regdb):
380 """Import a Samba 3 registry database into the Samba 4 registry.
382 :param samba4_registry: Samba 4 registry handle.
383 :param samba3_regdb: Samba 3 registry database handle.
385 def ensure_key_exists(keypath):
386 (predef_name, keypath) = keypath.split("/", 1)
387 predef_id = SAMBA3_PREDEF_NAMES[predef_name]
388 keypath = keypath.replace("/", "\\")
389 return samba4_registry.create_key(predef_id, keypath)
391 for key in samba3_regdb.keys():
392 key_handle = ensure_key_exists(key)
393 for subkey in samba3_regdb.subkeys(key):
394 ensure_key_exists(subkey)
395 for (value_name, (value_type, value_data)) in samba3_regdb.values(key).items():
396 key_handle.set_value(value_name, value_type, value_data)
398 def get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, user, attr):
399 """Get posix attributes from a samba3 ldap backend
400 :param ldbs: a list of ldb connection objects
401 :param base_dn: the base_dn of the connection
402 :param user: the user to get the attribute for
403 :param attr: the attribute to be retrieved
406 msg = ldb_object.search(base_dn, scope=ldb.SCOPE_SUBTREE,
407 expression=("(&(objectClass=posixAccount)(uid=%s))"
408 % (user)), attrs=[attr])
409 except ldb.LdbError, e:
410 raise ProvisioningError("Failed to retrieve attribute %s for user %s, the error is: %s", attr, user, e)
413 # This will raise KeyError (which is what we want) if there isn't a entry for this user
414 return msg[0][attr][0]
416 logger.warning("LDAP entry for user %s contains more than one %s", user, attr)
420 def upgrade_from_samba3(samba3, logger, targetdir, session_info=None,
421 useeadb=False, dns_backend=None, use_ntvfs=False):
422 """Upgrade from samba3 database to samba4 AD database
424 :param samba3: samba3 object
425 :param logger: Logger object
426 :param targetdir: samba4 database directory
427 :param session_info: Session information
429 serverrole = samba3.lp.server_role()
431 domainname = samba3.lp.get("workgroup")
432 realm = samba3.lp.get("realm")
433 netbiosname = samba3.lp.get("netbios name")
435 if samba3.lp.get("ldapsam:trusted") is None:
436 samba3.lp.set("ldapsam:trusted", "yes")
440 secrets_db = samba3.get_secrets_db()
442 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)))
445 domainname = secrets_db.domains()[0]
446 logger.warning("No workgroup specified in smb.conf file, assuming '%s'",
450 if serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC":
451 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.")
453 realm = domainname.upper()
454 logger.warning("No realm specified in smb.conf file, assuming '%s'",
457 # Find machine account and password
461 machinepass = secrets_db.get_machine_password(netbiosname)
465 if samba3.lp.get("passdb backend").split(":")[0].strip() == "ldapsam":
466 base_dn = samba3.lp.get("ldap suffix")
467 ldapuser = samba3.lp.get("ldap admin dn")
468 ldappass = secrets_db.get_ldap_bind_pw(ldapuser)
470 raise ProvisioningError("ldapsam passdb backend detected but no LDAP Bind PW found in secrets.tdb for user %s. Please point this tool at the secrets.tdb that was used by the previous installation.")
471 ldappass = ldappass.strip('\x00')
478 # We must close the direct pytdb database before the C code loads it
481 # Connect to old password backend
482 passdb.set_secrets_dir(samba3.lp.get("private dir"))
483 s3db = samba3.get_sam_db()
487 domainsid = passdb.get_global_sam_sid()
489 raise Exception("Can't find domain sid for '%s', Exiting." % domainname)
491 # Get machine account, sid, rid
493 machineacct = s3db.getsampwnam('%s$' % netbiosname)
498 machinesid, machinerid = machineacct.user_sid.split()
500 # Export account policy
501 logger.info("Exporting account policy")
502 policy = s3db.get_account_policy()
504 # Export groups from old passdb backend
505 logger.info("Exporting groups")
506 grouplist = s3db.enum_group_mapping()
508 for group in grouplist:
509 sid, rid = group.sid.split()
514 # Get members for each group/alias
515 if group.sid_name_use == lsa.SID_NAME_ALIAS:
517 members = s3db.enum_aliasmem(group.sid)
518 groupmembers[str(group.sid)] = members
519 except passdb.error, e:
520 logger.warn("Ignoring group '%s' %s listed but then not found: %s",
521 group.nt_name, group.sid, e)
523 elif group.sid_name_use == lsa.SID_NAME_DOM_GRP:
525 members = s3db.enum_group_members(group.sid)
526 groupmembers[str(group.sid)] = members
527 except passdb.error, e:
528 logger.warn("Ignoring group '%s' %s listed but then not found: %s",
529 group.nt_name, group.sid, e)
531 elif group.sid_name_use == lsa.SID_NAME_WKN_GRP:
532 (group_dom_sid, rid) = group.sid.split()
533 if (group_dom_sid != security.dom_sid(security.SID_BUILTIN)):
534 logger.warn("Ignoring 'well known' group '%s' (should already be in AD, and have no members)",
537 # A number of buggy databases mix up well known groups and aliases.
539 members = s3db.enum_aliasmem(group.sid)
540 groupmembers[str(group.sid)] = members
541 except passdb.error, e:
542 logger.warn("Ignoring group '%s' %s listed but then not found: %s",
543 group.nt_name, group.sid, e)
546 logger.warn("Ignoring group '%s' %s with sid_name_use=%d",
547 group.nt_name, group.sid, group.sid_name_use)
550 # Export users from old passdb backend
551 logger.info("Exporting users")
552 userlist = s3db.search_users(0)
556 for entry in userlist:
557 if machinerid and machinerid == entry['rid']:
559 username = entry['account_name']
560 if entry['rid'] < 1000:
561 logger.info(" Skipping wellknown rid=%d (for username=%s)", entry['rid'], username)
563 if entry['rid'] >= next_rid:
564 next_rid = entry['rid'] + 1
566 user = s3db.getsampwnam(username)
567 acct_type = (user.acct_ctrl & (samr.ACB_NORMAL|samr.ACB_WSTRUST|samr.ACB_SVRTRUST|samr.ACB_DOMTRUST))
568 if acct_type == samr.ACB_SVRTRUST:
569 logger.warn(" Demoting BDC account trust for %s, this DC must be elevated to an AD DC using 'samba-tool domain dcpromo'" % username[:-1])
570 user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_SVRTRUST) | samr.ACB_WSTRUST
572 elif acct_type == samr.ACB_DOMTRUST:
573 logger.warn(" Skipping inter-domain trust from domain %s, this trust must be re-created as an AD trust" % username[:-1])
576 elif acct_type == (samr.ACB_WSTRUST) and username[-1] != '$':
577 logger.warn(" Skipping account %s that has ACB_WSTRUST (W) set but does not end in $. This account can not have worked, and is probably left over from a misconfiguration." % username)
580 elif acct_type == (samr.ACB_NORMAL|samr.ACB_WSTRUST) and username[-1] == '$':
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)
584 elif acct_type == (samr.ACB_NORMAL|samr.ACB_SVRTRUST) and username[-1] == '$':
585 logger.warn(" Fixing account %s which had both ACB_NORMAL (U) and ACB_SVRTRUST (S) set. Account will be marked as ACB_WSTRUST (S), i.e. as a domain member" % username)
586 user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_NORMAL)
588 elif acct_type == 0 and username[-1] != '$':
589 user.acct_ctrl = (user.acct_ctrl | samr.ACB_NORMAL)
591 elif (acct_type == samr.ACB_NORMAL or acct_type == samr.ACB_WSTRUST):
595 raise ProvisioningError("""Failed to upgrade due to invalid account %s, account control flags 0x%08X must have exactly one of
596 ACB_NORMAL (N, 0x%08X), ACB_WSTRUST (W 0x%08X), ACB_SVRTRUST (S 0x%08X) or ACB_DOMTRUST (D 0x%08X).
598 Please fix this account before attempting to upgrade again
600 % (username, user.acct_ctrl,
601 samr.ACB_NORMAL, samr.ACB_WSTRUST, samr.ACB_SVRTRUST, samr.ACB_DOMTRUST))
603 userdata[username] = user
605 uids[username] = s3db.sid_to_id(user.user_sid)[0]
608 uids[username] = pwd.getpwnam(username).pw_uid
612 if not admin_user and username.lower() == 'root':
613 admin_user = username
614 if username.lower() == 'administrator':
615 admin_user = username
618 group_memberships = s3db.enum_group_memberships(user);
619 for group in group_memberships:
620 if str(group) in groupmembers:
621 if user.user_sid not in groupmembers[str(group)]:
622 groupmembers[str(group)].append(user.user_sid)
624 groupmembers[str(group)] = [user.user_sid];
625 except passdb.error, e:
626 logger.warn("Ignoring group memberships of '%s' %s: %s",
627 username, user.user_sid, e)
629 logger.info("Next rid = %d", next_rid)
631 # Check for same username/groupname
632 group_names = set([g.nt_name for g in grouplist])
633 user_names = set([u['account_name'] for u in userlist])
634 common_names = group_names.intersection(user_names)
636 logger.error("Following names are both user names and group names:")
637 for name in common_names:
638 logger.error(" %s" % name)
639 raise ProvisioningError("Please remove common user/group names before upgrade.")
641 # Check for same user sid/group sid
642 group_sids = set([str(g.sid) for g in grouplist])
643 if len(grouplist) != len(group_sids):
644 raise ProvisioningError("Please remove duplicate group sid entries before upgrade.")
645 user_sids = set(["%s-%u" % (domainsid, u['rid']) for u in userlist])
646 if len(userlist) != len(user_sids):
647 raise ProvisioningError("Please remove duplicate user sid entries before upgrade.")
648 common_sids = group_sids.intersection(user_sids)
650 logger.error("Following sids are both user and group sids:")
651 for sid in common_sids:
652 logger.error(" %s" % str(sid))
653 raise ProvisioningError("Please remove duplicate sid entries before upgrade.")
655 # Get posix attributes from ldap or the os
660 creds = Credentials()
661 creds.guess(samba3.lp)
662 creds.set_bind_dn(ldapuser)
663 creds.set_password(ldappass)
664 urls = samba3.lp.get("passdb backend").split(":",1)[1].strip('"')
665 for url in urls.split():
667 ldb_object = Ldb(url, credentials=creds)
668 except ldb.LdbError, e:
669 raise ProvisioningError("Could not open ldb connection to %s, the error message is: %s" % (url, e))
672 logger.info("Exporting posix attributes")
673 userlist = s3db.search_users(0)
674 for entry in userlist:
675 username = entry['account_name']
676 if username in uids.keys():
679 homes[username] = get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, username, "homeDirectory")
681 homes[username] = pwd.getpwnam(username).pw_dir
689 shells[username] = get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, username, "loginShell")
691 shells[username] = pwd.getpwnam(username).pw_shell
699 pgids[username] = get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, username, "gidNumber")
701 pgids[username] = pwd.getpwnam(username).pw_gid
707 logger.info("Reading WINS database")
710 samba3_winsdb = samba3.get_wins_db()
712 logger.warn('Cannot open wins database, Ignoring: %s', str(e))
714 if not (serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC"):
717 # If we found an admin user, set a fake pw that we will override.
718 # This avoids us printing out an admin password that we won't actually
721 adminpass = generate_random_password(12, 32)
726 result = provision(logger, session_info,
727 targetdir=targetdir, realm=realm, domain=domainname,
728 domainsid=str(domainsid), next_rid=next_rid,
729 dc_rid=machinerid, adminpass = adminpass,
730 dom_for_fun_level=dsdb.DS_DOMAIN_FUNCTION_2003,
731 hostname=netbiosname.lower(), machinepass=machinepass,
732 serverrole=serverrole, samdb_fill=FILL_FULL,
733 useeadb=useeadb, dns_backend=dns_backend, use_rfc2307=True,
734 use_ntvfs=use_ntvfs, skip_sysvolacl=True)
735 result.report_logger(logger)
737 # Import WINS database
738 logger.info("Importing WINS database")
741 import_wins(Ldb(result.paths.winsdb), samba3_winsdb)
744 logger.info("Importing Account policy")
745 import_sam_policy(result.samdb, policy, logger)
747 # Migrate IDMAP database
748 logger.info("Importing idmap database")
749 import_idmap(result.idmap, samba3, logger)
751 # Set the s3 context for samba4 configuration
752 new_lp_ctx = s3param.get_context()
753 new_lp_ctx.load(result.lp.configfile)
754 new_lp_ctx.set("private dir", result.lp.get("private dir"))
755 new_lp_ctx.set("state directory", result.lp.get("state directory"))
756 new_lp_ctx.set("lock directory", result.lp.get("lock directory"))
758 # Connect to samba4 backend
759 s4_passdb = passdb.PDB(new_lp_ctx.get("passdb backend"))
761 # Start a new transaction (should speed this up a little, due to index churn)
762 result.samdb.transaction_start()
764 logger.info("Adding groups")
766 # Export groups to samba4 backend
767 logger.info("Importing groups")
769 # Ignore uninitialized groups (gid = -1)
771 add_group_from_mapping_entry(result.samdb, g, logger)
772 add_ad_posix_idmap_entry(result.samdb, g.sid, g.gid, "ID_TYPE_GID", logger)
773 add_posix_attrs(samdb=result.samdb, sid=g.sid, name=g.nt_name, nisdomain=domainname.lower(), xid_type="ID_TYPE_GID", logger=logger)
776 # We need this, so that we do not give even more errors due to not cancelling the transaction
777 result.samdb.transaction_cancel()
780 logger.info("Committing 'add groups' transaction to disk")
781 result.samdb.transaction_commit()
783 logger.info("Adding users")
784 # Start a new transaction (should speed this up a little, due to index churn)
785 result.samdb.transaction_start()
788 # Export users to samba4 backend
789 logger.info("Importing users")
790 for username in userdata:
791 if username.lower() == 'administrator':
792 if userdata[username].user_sid != dom_sid(str(domainsid) + "-500"):
793 logger.error("User 'Administrator' in your existing directory has SID %s, expected it to be %s" % (userdata[username].user_sid, dom_sid(str(domainsid) + "-500")))
794 raise ProvisioningError("User 'Administrator' in your existing directory does not have SID ending in -500")
795 if username.lower() == 'root':
796 if userdata[username].user_sid == dom_sid(str(domainsid) + "-500"):
797 logger.warn('User root has been replaced by Administrator')
799 logger.warn('User root has been kept in the directory, it should be removed in favour of the Administrator user')
801 s4_passdb.add_sam_account(userdata[username])
803 add_ad_posix_idmap_entry(result.samdb, userdata[username].user_sid, uids[username], "ID_TYPE_UID", logger)
804 if (username in homes) and (homes[username] is not None) and \
805 (username in shells) and (shells[username] is not None) and \
806 (username in pgids) and (pgids[username] is not None):
807 add_posix_attrs(samdb=result.samdb, sid=userdata[username].user_sid, name=username, nisdomain=domainname.lower(), xid_type="ID_TYPE_UID", home=homes[username], shell=shells[username], pgid=pgids[username], logger=logger)
810 # We need this, so that we do not give even more errors due to not cancelling the transaction
811 result.samdb.transaction_cancel()
814 logger.info("Committing 'add users' transaction to disk")
815 result.samdb.transaction_commit()
817 logger.info("Adding users to groups")
818 # Start a new transaction (should speed this up a little, due to index churn)
819 result.samdb.transaction_start()
823 if str(g.sid) in groupmembers:
824 add_users_to_group(result.samdb, g, groupmembers[str(g.sid)], logger)
827 # We need this, so that we do not give even more errors due to not cancelling the transaction
828 result.samdb.transaction_cancel()
831 logger.info("Committing 'add users to groups' transaction to disk")
832 result.samdb.transaction_commit()
834 # Set password for administrator
836 logger.info("Setting password for administrator")
837 admin_userdata = s4_passdb.getsampwnam("administrator")
838 admin_userdata.nt_passwd = userdata[admin_user].nt_passwd
839 if userdata[admin_user].lanman_passwd:
840 admin_userdata.lanman_passwd = userdata[admin_user].lanman_passwd
841 admin_userdata.pass_last_set_time = userdata[admin_user].pass_last_set_time
842 if userdata[admin_user].pw_history:
843 admin_userdata.pw_history = userdata[admin_user].pw_history
844 s4_passdb.update_sam_account(admin_userdata)
845 logger.info("Administrator password has been set to password of user '%s'", admin_user)
847 if result.server_role == "active directory domain controller":
848 setsysvolacl(result.samdb, result.paths.netlogon, result.paths.sysvol,
849 result.paths.root_uid, result.paths.root_gid,
850 security.dom_sid(result.domainsid), result.names.dnsdomain,
851 result.names.domaindn, result.lp, use_ntvfs)
853 # FIXME: import_registry(registry.Registry(), samba3.get_registry())