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 as 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 as e:
129 'Could not add posix attrs for AD entry for sid=%s, (%s)',
133 def add_ad_posix_idmap_entry(samdb, sid, xid, xid_type, logger):
134 """Create idmap entry
136 :param samdb: Samba4 sam.ldb database
137 :param sid: user/group sid
138 :param xid: user/group id
139 :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
140 :param logger: Logger object
145 m.dn = ldb.Dn(samdb, "<SID=%s>" % str(sid))
146 if xid_type == "ID_TYPE_UID":
147 m['uidNumber'] = ldb.MessageElement(
148 str(xid), ldb.FLAG_MOD_REPLACE, 'uidNumber')
149 m['objectClass'] = ldb.MessageElement(
150 "posixAccount", ldb.FLAG_MOD_ADD, 'objectClass')
151 elif xid_type == "ID_TYPE_GID":
152 m['gidNumber'] = ldb.MessageElement(
153 str(xid), ldb.FLAG_MOD_REPLACE, 'gidNumber')
154 m['objectClass'] = ldb.MessageElement(
155 "posixGroup", ldb.FLAG_MOD_ADD, 'objectClass')
158 except ldb.LdbError as e:
160 'Could not modify AD idmap entry for sid=%s, id=%s, type=%s (%s)',
161 str(sid), str(xid), xid_type, str(e))
164 def add_idmap_entry(idmapdb, sid, xid, xid_type, logger):
165 """Create idmap entry
167 :param idmapdb: Samba4 IDMAP database
168 :param sid: user/group sid
169 :param xid: user/group id
170 :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
171 :param logger: Logger object
174 # First try to see if we already have this entry
176 msg = idmapdb.search(expression='objectSid=%s' % str(sid))
184 m['xidNumber'] = ldb.MessageElement(
185 str(xid), ldb.FLAG_MOD_REPLACE, 'xidNumber')
186 m['type'] = ldb.MessageElement(
187 xid_type, ldb.FLAG_MOD_REPLACE, 'type')
189 except ldb.LdbError as e:
191 'Could not modify idmap entry for sid=%s, id=%s, type=%s (%s)',
192 str(sid), str(xid), xid_type, str(e))
195 idmapdb.add({"dn": "CN=%s" % str(sid),
197 "objectClass": "sidMap",
198 "objectSid": ndr_pack(sid),
200 "xidNumber": str(xid)})
201 except ldb.LdbError as e:
203 'Could not add idmap entry for sid=%s, id=%s, type=%s (%s)',
204 str(sid), str(xid), xid_type, str(e))
207 def import_idmap(idmapdb, samba3, logger):
208 """Import idmap data.
210 :param idmapdb: Samba4 IDMAP database
211 :param samba3_idmap: Samba3 IDMAP database to import from
212 :param logger: Logger object
216 samba3_idmap = samba3.get_idmap_db()
218 logger.warn('Cannot open idmap database, Ignoring: %s', str(e))
221 currentxid = max(samba3_idmap.get_user_hwm(), samba3_idmap.get_group_hwm())
222 lowerbound = currentxid
226 m.dn = ldb.Dn(idmapdb, 'CN=CONFIG')
227 m['lowerbound'] = ldb.MessageElement(
228 str(lowerbound), ldb.FLAG_MOD_REPLACE, 'lowerBound')
229 m['xidNumber'] = ldb.MessageElement(
230 str(currentxid), ldb.FLAG_MOD_REPLACE, 'xidNumber')
233 for id_type, xid in samba3_idmap.ids():
235 xid_type = 'ID_TYPE_UID'
236 elif id_type == 'GID':
237 xid_type = 'ID_TYPE_GID'
239 logger.warn('Wrong type of entry in idmap (%s), Ignoring', id_type)
242 sid = samba3_idmap.get_sid(xid, id_type)
243 add_idmap_entry(idmapdb, dom_sid(sid), xid, xid_type, logger)
246 def add_group_from_mapping_entry(samdb, groupmap, logger):
247 """Add or modify group from group mapping entry
249 param samdb: Samba4 SAM database
250 param groupmap: Groupmap entry
251 param logger: Logger object
254 # First try to see if we already have this entry
257 base='<SID=%s>' % str(groupmap.sid), scope=ldb.SCOPE_BASE)
259 except ldb.LdbError as e1:
260 (ecode, emsg) = e1.args
261 if ecode == ldb.ERR_NO_SUCH_OBJECT:
264 raise ldb.LdbError(ecode, emsg)
267 logger.warn('Group already exists sid=%s, groupname=%s existing_groupname=%s, Ignoring.',
268 str(groupmap.sid), groupmap.nt_name, msg[0]['sAMAccountName'][0])
270 if groupmap.sid_name_use == lsa.SID_NAME_WKN_GRP:
271 # In a lot of Samba3 databases, aliases are marked as well known groups
272 (group_dom_sid, rid) = groupmap.sid.split()
273 if (group_dom_sid != security.dom_sid(security.SID_BUILTIN)):
277 # We avoid using the format string to avoid needing to escape the CN values
278 m.dn = ldb.Dn(samdb, "CN=X,CN=Users")
279 m.dn.set_component(0, "CN", groupmap.nt_name)
280 m.dn.add_base(samdb.get_default_basedn())
281 m['objectClass'] = ldb.MessageElement('group', ldb.FLAG_MOD_ADD, 'objectClass')
282 m['objectSid'] = ldb.MessageElement(ndr_pack(groupmap.sid), ldb.FLAG_MOD_ADD,
284 m['sAMAccountName'] = ldb.MessageElement(groupmap.nt_name, ldb.FLAG_MOD_ADD,
288 m['description'] = ldb.MessageElement(groupmap.comment, ldb.FLAG_MOD_ADD,
291 # Fix up incorrect 'well known' groups that are actually builtin (per test above) to be aliases
292 if groupmap.sid_name_use == lsa.SID_NAME_ALIAS or groupmap.sid_name_use == lsa.SID_NAME_WKN_GRP:
293 m['groupType'] = ldb.MessageElement(str(dsdb.GTYPE_SECURITY_DOMAIN_LOCAL_GROUP),
294 ldb.FLAG_MOD_ADD, 'groupType')
297 samdb.add(m, controls=["relax:0"])
298 except ldb.LdbError as e:
299 logger.warn('Could not add group name=%s (%s)', groupmap.nt_name, str(e))
302 def add_users_to_group(samdb, group, members, logger):
303 """Add user/member to group/alias
305 param samdb: Samba4 SAM database
306 param group: Groupmap object
307 param members: List of member SIDs
308 param logger: Logger object
310 for member_sid in members:
312 m.dn = ldb.Dn(samdb, "<SID=%s>" % str(group.sid))
313 m['a01'] = ldb.MessageElement("<SID=%s>" % str(member_sid), ldb.FLAG_MOD_ADD, 'member')
317 except ldb.LdbError as e:
318 (ecode, emsg) = e.args
319 if ecode == ldb.ERR_ENTRY_ALREADY_EXISTS:
320 logger.debug("skipped re-adding member '%s' to group '%s': %s", member_sid, group.sid, emsg)
321 elif ecode == ldb.ERR_NO_SUCH_OBJECT:
322 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))
324 raise ProvisioningError("Could not add member '%s' to group '%s': %s" % (member_sid, group.sid, emsg))
327 def import_wins(samba4_winsdb, samba3_winsdb):
328 """Import settings from a Samba3 WINS database.
330 :param samba4_winsdb: WINS database to import to
331 :param samba3_winsdb: WINS database to import from
336 for (name, (ttl, ips, nb_flags)) in samba3_winsdb.items():
339 type = int(name.split("#", 1)[1], 16)
354 if ttl > time.time():
355 rState = 0x0 # active
357 rState = 0x1 # released
359 nType = ((nb_flags & 0x60) >> 5)
361 samba4_winsdb.add({"dn": "name=%s,type=0x%s" % tuple(name.split("#")),
362 "type": name.split("#")[1],
363 "name": name.split("#")[0],
364 "objectClass": "winsRecord",
365 "recordType": str(rType),
366 "recordState": str(rState),
367 "nodeType": str(nType),
368 "expireTime": ldb.timestring(ttl),
370 "versionID": str(version_id),
373 samba4_winsdb.add({"dn": "cn=VERSION",
375 "objectClass": "winsMaxVersion",
376 "maxVersion": str(version_id)})
379 SAMBA3_PREDEF_NAMES = {
380 'HKLM': registry.HKEY_LOCAL_MACHINE,
384 def import_registry(samba4_registry, samba3_regdb):
385 """Import a Samba 3 registry database into the Samba 4 registry.
387 :param samba4_registry: Samba 4 registry handle.
388 :param samba3_regdb: Samba 3 registry database handle.
390 def ensure_key_exists(keypath):
391 (predef_name, keypath) = keypath.split("/", 1)
392 predef_id = SAMBA3_PREDEF_NAMES[predef_name]
393 keypath = keypath.replace("/", "\\")
394 return samba4_registry.create_key(predef_id, keypath)
396 for key in samba3_regdb.keys():
397 key_handle = ensure_key_exists(key)
398 for subkey in samba3_regdb.subkeys(key):
399 ensure_key_exists(subkey)
400 for (value_name, (value_type, value_data)) in samba3_regdb.values(key).items():
401 key_handle.set_value(value_name, value_type, value_data)
404 def get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, user, attr):
405 """Get posix attributes from a samba3 ldap backend
406 :param ldbs: a list of ldb connection objects
407 :param base_dn: the base_dn of the connection
408 :param user: the user to get the attribute for
409 :param attr: the attribute to be retrieved
412 msg = ldb_object.search(base_dn, scope=ldb.SCOPE_SUBTREE,
413 expression=("(&(objectClass=posixAccount)(uid=%s))"
414 % (user)), attrs=[attr])
415 except ldb.LdbError as e:
416 raise ProvisioningError("Failed to retrieve attribute %s for user %s, the error is: %s" % (attr, user, e))
419 # This will raise KeyError (which is what we want) if there isn't a entry for this user
420 return msg[0][attr][0]
422 logger.warning("LDAP entry for user %s contains more than one %s", user, attr)
426 def upgrade_from_samba3(samba3, logger, targetdir, session_info=None,
427 useeadb=False, dns_backend=None, use_ntvfs=False):
428 """Upgrade from samba3 database to samba4 AD database
430 :param samba3: samba3 object
431 :param logger: Logger object
432 :param targetdir: samba4 database directory
433 :param session_info: Session information
435 serverrole = samba3.lp.server_role()
437 domainname = samba3.lp.get("workgroup")
438 realm = samba3.lp.get("realm")
439 netbiosname = samba3.lp.get("netbios name")
441 if samba3.lp.get("ldapsam:trusted") is None:
442 samba3.lp.set("ldapsam:trusted", "yes")
446 secrets_db = samba3.get_secrets_db()
448 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)))
451 domainname = secrets_db.domains()[0]
452 logger.warning("No workgroup specified in smb.conf file, assuming '%s'",
456 if serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC":
457 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.")
459 realm = domainname.upper()
460 logger.warning("No realm specified in smb.conf file, assuming '%s'",
463 # Find machine account and password
467 machinepass = secrets_db.get_machine_password(netbiosname)
471 if samba3.lp.get("passdb backend").split(":")[0].strip() == "ldapsam":
472 base_dn = samba3.lp.get("ldap suffix")
473 ldapuser = samba3.lp.get("ldap admin dn")
474 ldappass = secrets_db.get_ldap_bind_pw(ldapuser)
476 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.")
477 ldappass = ldappass.strip('\x00')
484 # We must close the direct pytdb database before the C code loads it
487 # Connect to old password backend
488 passdb.set_secrets_dir(samba3.lp.get("private dir"))
489 s3db = samba3.get_sam_db()
493 domainsid = passdb.get_global_sam_sid()
495 raise Exception("Can't find domain sid for '%s', Exiting." % domainname)
497 # Get machine account, sid, rid
499 machineacct = s3db.getsampwnam('%s$' % netbiosname)
504 machinesid, machinerid = machineacct.user_sid.split()
506 # Export account policy
507 logger.info("Exporting account policy")
508 policy = s3db.get_account_policy()
510 # Export groups from old passdb backend
511 logger.info("Exporting groups")
512 grouplist = s3db.enum_group_mapping()
514 for group in grouplist:
515 sid, rid = group.sid.split()
520 # Get members for each group/alias
521 if group.sid_name_use == lsa.SID_NAME_ALIAS:
523 members = s3db.enum_aliasmem(group.sid)
524 groupmembers[str(group.sid)] = members
525 except passdb.error as e:
526 logger.warn("Ignoring group '%s' %s listed but then not found: %s",
527 group.nt_name, group.sid, e)
529 elif group.sid_name_use == lsa.SID_NAME_DOM_GRP:
531 members = s3db.enum_group_members(group.sid)
532 groupmembers[str(group.sid)] = members
533 except passdb.error as e:
534 logger.warn("Ignoring group '%s' %s listed but then not found: %s",
535 group.nt_name, group.sid, e)
537 elif group.sid_name_use == lsa.SID_NAME_WKN_GRP:
538 (group_dom_sid, rid) = group.sid.split()
539 if (group_dom_sid != security.dom_sid(security.SID_BUILTIN)):
540 logger.warn("Ignoring 'well known' group '%s' (should already be in AD, and have no members)",
543 # A number of buggy databases mix up well known groups and aliases.
545 members = s3db.enum_aliasmem(group.sid)
546 groupmembers[str(group.sid)] = members
547 except passdb.error as e:
548 logger.warn("Ignoring group '%s' %s listed but then not found: %s",
549 group.nt_name, group.sid, e)
552 logger.warn("Ignoring group '%s' %s with sid_name_use=%d",
553 group.nt_name, group.sid, group.sid_name_use)
556 # Export users from old passdb backend
557 logger.info("Exporting users")
558 userlist = s3db.search_users(0)
562 for entry in userlist:
563 if machinerid and machinerid == entry['rid']:
565 username = entry['account_name']
566 if entry['rid'] < 1000:
567 logger.info(" Skipping wellknown rid=%d (for username=%s)", entry['rid'], username)
569 if entry['rid'] >= next_rid:
570 next_rid = entry['rid'] + 1
572 user = s3db.getsampwnam(username)
573 acct_type = (user.acct_ctrl & (samr.ACB_NORMAL |
577 if acct_type == samr.ACB_SVRTRUST:
578 logger.warn(" Demoting BDC account trust for %s, this DC must be elevated to an AD DC using 'samba-tool domain dcpromo'" % username[:-1])
579 user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_SVRTRUST) | samr.ACB_WSTRUST
581 elif acct_type == samr.ACB_DOMTRUST:
582 logger.warn(" Skipping inter-domain trust from domain %s, this trust must be re-created as an AD trust" % username[:-1])
585 elif acct_type == (samr.ACB_WSTRUST) and username[-1] != '$':
586 logger.warn(" Skipping account %s that has ACB_WSTRUST (W) set but does not end in $. This account can not have worked, and is probably left over from a misconfiguration." % username)
589 elif acct_type == (samr.ACB_NORMAL | samr.ACB_WSTRUST) and username[-1] == '$':
590 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)
591 user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_NORMAL)
593 elif acct_type == (samr.ACB_NORMAL | samr.ACB_SVRTRUST) and username[-1] == '$':
594 logger.warn(" Fixing account %s which had both ACB_NORMAL (U) and ACB_SVRTRUST (S) set. Account will be marked as ACB_WSTRUST (S), i.e. as a domain member" % username)
595 user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_NORMAL)
597 elif acct_type == 0 and username[-1] != '$':
598 user.acct_ctrl = (user.acct_ctrl | samr.ACB_NORMAL)
600 elif (acct_type == samr.ACB_NORMAL or acct_type == samr.ACB_WSTRUST):
604 raise ProvisioningError("""Failed to upgrade due to invalid account %s, account control flags 0x%08X must have exactly one of
605 ACB_NORMAL (N, 0x%08X), ACB_WSTRUST (W 0x%08X), ACB_SVRTRUST (S 0x%08X) or ACB_DOMTRUST (D 0x%08X).
607 Please fix this account before attempting to upgrade again
609 % (username, user.acct_ctrl,
610 samr.ACB_NORMAL, samr.ACB_WSTRUST, samr.ACB_SVRTRUST, samr.ACB_DOMTRUST))
612 userdata[username] = user
614 uids[username] = s3db.sid_to_id(user.user_sid)[0]
617 uids[username] = pwd.getpwnam(username).pw_uid
621 if not admin_user and username.lower() == 'root':
622 admin_user = username
623 if username.lower() == 'administrator':
624 admin_user = username
627 group_memberships = s3db.enum_group_memberships(user)
628 for group in group_memberships:
629 if str(group) in groupmembers:
630 if user.user_sid not in groupmembers[str(group)]:
631 groupmembers[str(group)].append(user.user_sid)
633 groupmembers[str(group)] = [user.user_sid]
634 except passdb.error as e:
635 logger.warn("Ignoring group memberships of '%s' %s: %s",
636 username, user.user_sid, e)
638 logger.info("Next rid = %d", next_rid)
640 # Check for same username/groupname
641 group_names = set([g.nt_name for g in grouplist])
642 user_names = set([u['account_name'] for u in userlist])
643 common_names = group_names.intersection(user_names)
645 logger.error("Following names are both user names and group names:")
646 for name in common_names:
647 logger.error(" %s" % name)
648 raise ProvisioningError("Please remove common user/group names before upgrade.")
650 # Check for same user sid/group sid
651 group_sids = set([str(g.sid) for g in grouplist])
652 if len(grouplist) != len(group_sids):
653 raise ProvisioningError("Please remove duplicate group sid entries before upgrade.")
654 user_sids = set(["%s-%u" % (domainsid, u['rid']) for u in userlist])
655 if len(userlist) != len(user_sids):
656 raise ProvisioningError("Please remove duplicate user sid entries before upgrade.")
657 common_sids = group_sids.intersection(user_sids)
659 logger.error("Following sids are both user and group sids:")
660 for sid in common_sids:
661 logger.error(" %s" % str(sid))
662 raise ProvisioningError("Please remove duplicate sid entries before upgrade.")
664 # Get posix attributes from ldap or the os
669 creds = Credentials()
670 creds.guess(samba3.lp)
671 creds.set_bind_dn(ldapuser)
672 creds.set_password(ldappass)
673 urls = samba3.lp.get("passdb backend").split(":", 1)[1].strip('"')
674 for url in urls.split():
676 ldb_object = Ldb(url, credentials=creds)
677 except ldb.LdbError as e:
678 raise ProvisioningError("Could not open ldb connection to %s, the error message is: %s" % (url, e))
681 logger.info("Exporting posix attributes")
682 userlist = s3db.search_users(0)
683 for entry in userlist:
684 username = entry['account_name']
685 if username in uids.keys():
688 homes[username] = get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, username, "homeDirectory")
690 homes[username] = pwd.getpwnam(username).pw_dir
698 shells[username] = get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, username, "loginShell")
700 shells[username] = pwd.getpwnam(username).pw_shell
708 pgids[username] = get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, username, "gidNumber")
710 pgids[username] = pwd.getpwnam(username).pw_gid
716 logger.info("Reading WINS database")
719 samba3_winsdb = samba3.get_wins_db()
721 logger.warn('Cannot open wins database, Ignoring: %s', str(e))
723 if not (serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC"):
726 # If we found an admin user, set a fake pw that we will override.
727 # This avoids us printing out an admin password that we won't actually
730 adminpass = generate_random_password(12, 32)
735 result = provision(logger, session_info,
736 targetdir=targetdir, realm=realm, domain=domainname,
737 domainsid=domainsid, next_rid=next_rid,
738 dc_rid=machinerid, adminpass=adminpass,
739 dom_for_fun_level=dsdb.DS_DOMAIN_FUNCTION_2003,
740 hostname=netbiosname.lower(), machinepass=machinepass,
741 serverrole=serverrole, samdb_fill=FILL_FULL,
742 useeadb=useeadb, dns_backend=dns_backend, use_rfc2307=True,
743 use_ntvfs=use_ntvfs, skip_sysvolacl=True)
744 result.report_logger(logger)
746 # Import WINS database
747 logger.info("Importing WINS database")
750 import_wins(Ldb(result.paths.winsdb), samba3_winsdb)
753 logger.info("Importing Account policy")
754 import_sam_policy(result.samdb, policy, logger)
756 # Migrate IDMAP database
757 logger.info("Importing idmap database")
758 import_idmap(result.idmap, samba3, logger)
760 # Set the s3 context for samba4 configuration
761 new_lp_ctx = s3param.get_context()
762 new_lp_ctx.load(result.lp.configfile)
763 new_lp_ctx.set("private dir", result.lp.get("private dir"))
764 new_lp_ctx.set("state directory", result.lp.get("state directory"))
765 new_lp_ctx.set("lock directory", result.lp.get("lock directory"))
767 # Connect to samba4 backend
768 s4_passdb = passdb.PDB(new_lp_ctx.get("passdb backend"))
770 # Start a new transaction (should speed this up a little, due to index churn)
771 result.samdb.transaction_start()
773 logger.info("Adding groups")
775 # Export groups to samba4 backend
776 logger.info("Importing groups")
778 # Ignore uninitialized groups (gid = -1)
780 add_group_from_mapping_entry(result.samdb, g, logger)
781 add_ad_posix_idmap_entry(result.samdb, g.sid, g.gid, "ID_TYPE_GID", logger)
782 add_posix_attrs(samdb=result.samdb, sid=g.sid, name=g.nt_name, nisdomain=domainname.lower(), xid_type="ID_TYPE_GID", logger=logger)
785 # We need this, so that we do not give even more errors due to not cancelling the transaction
786 result.samdb.transaction_cancel()
789 logger.info("Committing 'add groups' transaction to disk")
790 result.samdb.transaction_commit()
792 logger.info("Adding users")
794 # Export users to samba4 backend
795 logger.info("Importing users")
796 for username in userdata:
797 if username.lower() == 'administrator':
798 if userdata[username].user_sid != dom_sid(str(domainsid) + "-500"):
799 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")))
800 raise ProvisioningError("User 'Administrator' in your existing directory does not have SID ending in -500")
801 if username.lower() == 'root':
802 if userdata[username].user_sid == dom_sid(str(domainsid) + "-500"):
803 logger.warn('User root has been replaced by Administrator')
805 logger.warn('User root has been kept in the directory, it should be removed in favour of the Administrator user')
807 s4_passdb.add_sam_account(userdata[username])
809 add_ad_posix_idmap_entry(result.samdb, userdata[username].user_sid, uids[username], "ID_TYPE_UID", logger)
810 if (username in homes) and (homes[username] is not None) and \
811 (username in shells) and (shells[username] is not None) and \
812 (username in pgids) and (pgids[username] is not None):
813 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)
815 logger.info("Adding users to groups")
816 # Start a new transaction (should speed this up a little, due to index churn)
817 result.samdb.transaction_start()
821 if str(g.sid) in groupmembers:
822 add_users_to_group(result.samdb, g, groupmembers[str(g.sid)], logger)
825 # We need this, so that we do not give even more errors due to not cancelling the transaction
826 result.samdb.transaction_cancel()
829 logger.info("Committing 'add users to groups' transaction to disk")
830 result.samdb.transaction_commit()
832 # Set password for administrator
834 logger.info("Setting password for administrator")
835 admin_userdata = s4_passdb.getsampwnam("administrator")
836 admin_userdata.nt_passwd = userdata[admin_user].nt_passwd
837 if userdata[admin_user].lanman_passwd:
838 admin_userdata.lanman_passwd = userdata[admin_user].lanman_passwd
839 admin_userdata.pass_last_set_time = userdata[admin_user].pass_last_set_time
840 if userdata[admin_user].pw_history:
841 admin_userdata.pw_history = userdata[admin_user].pw_history
842 s4_passdb.update_sam_account(admin_userdata)
843 logger.info("Administrator password has been set to password of user '%s'", admin_user)
845 if result.server_role == "active directory domain controller":
846 setsysvolacl(result.samdb, result.paths.netlogon, result.paths.sysvol,
847 result.paths.root_uid, result.paths.root_gid,
848 security.dom_sid(result.domainsid), result.names.dnsdomain,
849 result.names.domaindn, result.lp, use_ntvfs)
851 # FIXME: import_registry(registry.Registry(), samba3.get_registry())