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
, FILL_FULL
, ProvisioningError
, setsysvolacl
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
.credentials
import Credentials
35 from samba
import dsdb
36 from samba
.ndr
import ndr_pack
37 from samba
import unix2nttime
38 from samba
import generate_random_password
41 def import_sam_policy(samdb
, policy
, logger
):
42 """Import a Samba 3 policy.
44 :param samdb: Samba4 SAM database
45 :param policy: Samba3 account policy
46 :param logger: Logger object
49 # Following entries are used -
50 # min password length, password history, minimum password age,
51 # maximum password age, lockout duration
53 # Following entries are not used -
54 # reset count minutes, user must logon to change password,
55 # bad lockout minutes, disconnect time
58 m
.dn
= samdb
.get_default_basedn()
60 if 'min password length' in policy
:
61 m
['a01'] = ldb
.MessageElement(str(policy
['min password length']),
62 ldb
.FLAG_MOD_REPLACE
, 'minPwdLength')
64 if 'password history' in policy
:
65 m
['a02'] = ldb
.MessageElement(str(policy
['password history']),
66 ldb
.FLAG_MOD_REPLACE
, 'pwdHistoryLength')
68 if 'minimum password age' in policy
:
69 min_pw_age_unix
= policy
['minimum password age']
70 min_pw_age_nt
= int(-min_pw_age_unix
* (1e7
))
71 m
['a03'] = ldb
.MessageElement(str(min_pw_age_nt
), ldb
.FLAG_MOD_REPLACE
,
74 if 'maximum password age' in policy
:
75 max_pw_age_unix
= policy
['maximum password age']
76 if max_pw_age_unix
== -1 or max_pw_age_unix
== 0:
77 max_pw_age_nt
= -0x8000000000000000
79 max_pw_age_nt
= int(-max_pw_age_unix
* (1e7
))
81 m
['a04'] = ldb
.MessageElement(str(max_pw_age_nt
), ldb
.FLAG_MOD_REPLACE
,
84 if 'lockout duration' in policy
:
85 lockout_duration_mins
= policy
['lockout duration']
86 lockout_duration_nt
= unix2nttime(lockout_duration_mins
* 60)
88 m
['a05'] = ldb
.MessageElement(str(lockout_duration_nt
),
89 ldb
.FLAG_MOD_REPLACE
, 'lockoutDuration')
93 except ldb
.LdbError
, e
:
94 logger
.warn("Could not set account policy, (%s)", str(e
))
97 def add_posix_attrs(logger
, samdb
, sid
, name
, nisdomain
, xid_type
, home
=None,
98 shell
=None, pgid
=None):
99 """Add posix attributes for the user/group
101 :param samdb: Samba4 sam.ldb database
102 :param sid: user/group sid
103 :param sid: user/group name
104 :param nisdomain: name of the (fake) NIS domain
105 :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
106 :param home: user homedir (Unix homepath)
107 :param shell: user shell
108 :param pgid: users primary group id
113 m
.dn
= ldb
.Dn(samdb
, "<SID=%s>" % str(sid
))
114 if xid_type
== "ID_TYPE_UID":
115 m
['unixHomeDirectory'] = ldb
.MessageElement(
116 str(home
), ldb
.FLAG_MOD_REPLACE
, 'unixHomeDirectory')
117 m
['loginShell'] = ldb
.MessageElement(
118 str(shell
), ldb
.FLAG_MOD_REPLACE
, 'loginShell')
119 m
['gidNumber'] = ldb
.MessageElement(
120 str(pgid
), ldb
.FLAG_MOD_REPLACE
, 'gidNumber')
122 m
['msSFU30NisDomain'] = ldb
.MessageElement(
123 str(nisdomain
), ldb
.FLAG_MOD_REPLACE
, 'msSFU30NisDomain')
126 except ldb
.LdbError
, e
:
128 'Could not add posix attrs for AD entry for sid=%s, (%s)',
131 def add_ad_posix_idmap_entry(samdb
, sid
, xid
, xid_type
, logger
):
132 """Create idmap entry
134 :param samdb: Samba4 sam.ldb database
135 :param sid: user/group sid
136 :param xid: user/group id
137 :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
138 :param logger: Logger object
143 m
.dn
= ldb
.Dn(samdb
, "<SID=%s>" % str(sid
))
144 if xid_type
== "ID_TYPE_UID":
145 m
['uidNumber'] = ldb
.MessageElement(
146 str(xid
), ldb
.FLAG_MOD_REPLACE
, 'uidNumber')
147 m
['objectClass'] = ldb
.MessageElement(
148 "posixAccount", ldb
.FLAG_MOD_ADD
, 'objectClass')
149 elif xid_type
== "ID_TYPE_GID":
150 m
['gidNumber'] = ldb
.MessageElement(
151 str(xid
), ldb
.FLAG_MOD_REPLACE
, 'gidNumber')
152 m
['objectClass'] = ldb
.MessageElement(
153 "posixGroup", ldb
.FLAG_MOD_ADD
, 'objectClass')
156 except ldb
.LdbError
, e
:
158 'Could not modify AD idmap entry for sid=%s, id=%s, type=%s (%s)',
159 str(sid
), str(xid
), xid_type
, str(e
))
162 def add_idmap_entry(idmapdb
, sid
, xid
, xid_type
, logger
):
163 """Create idmap entry
165 :param idmapdb: Samba4 IDMAP database
166 :param sid: user/group sid
167 :param xid: user/group id
168 :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
169 :param logger: Logger object
172 # First try to see if we already have this entry
174 msg
= idmapdb
.search(expression
='objectSid=%s' % str(sid
))
182 m
['xidNumber'] = ldb
.MessageElement(
183 str(xid
), ldb
.FLAG_MOD_REPLACE
, 'xidNumber')
184 m
['type'] = ldb
.MessageElement(
185 xid_type
, ldb
.FLAG_MOD_REPLACE
, 'type')
187 except ldb
.LdbError
, e
:
189 'Could not modify idmap entry for sid=%s, id=%s, type=%s (%s)',
190 str(sid
), str(xid
), xid_type
, str(e
))
193 idmapdb
.add({"dn": "CN=%s" % str(sid
),
195 "objectClass": "sidMap",
196 "objectSid": ndr_pack(sid
),
198 "xidNumber": str(xid
)})
199 except ldb
.LdbError
, e
:
201 'Could not add idmap entry for sid=%s, id=%s, type=%s (%s)',
202 str(sid
), str(xid
), xid_type
, str(e
))
205 def import_idmap(idmapdb
, samba3
, logger
):
206 """Import idmap data.
208 :param idmapdb: Samba4 IDMAP database
209 :param samba3_idmap: Samba3 IDMAP database to import from
210 :param logger: Logger object
214 samba3_idmap
= samba3
.get_idmap_db()
216 logger
.warn('Cannot open idmap database, Ignoring: %s', str(e
))
219 currentxid
= max(samba3_idmap
.get_user_hwm(), samba3_idmap
.get_group_hwm())
220 lowerbound
= currentxid
224 m
.dn
= ldb
.Dn(idmapdb
, 'CN=CONFIG')
225 m
['lowerbound'] = ldb
.MessageElement(
226 str(lowerbound
), ldb
.FLAG_MOD_REPLACE
, 'lowerBound')
227 m
['xidNumber'] = ldb
.MessageElement(
228 str(currentxid
), ldb
.FLAG_MOD_REPLACE
, 'xidNumber')
231 for id_type
, xid
in samba3_idmap
.ids():
233 xid_type
= 'ID_TYPE_UID'
234 elif id_type
== 'GID':
235 xid_type
= 'ID_TYPE_GID'
237 logger
.warn('Wrong type of entry in idmap (%s), Ignoring', id_type
)
240 sid
= samba3_idmap
.get_sid(xid
, id_type
)
241 add_idmap_entry(idmapdb
, dom_sid(sid
), xid
, xid_type
, logger
)
244 def add_group_from_mapping_entry(samdb
, groupmap
, logger
):
245 """Add or modify group from group mapping entry
247 param samdb: Samba4 SAM database
248 param groupmap: Groupmap entry
249 param logger: Logger object
252 # First try to see if we already have this entry
255 base
='<SID=%s>' % str(groupmap
.sid
), scope
=ldb
.SCOPE_BASE
)
257 except ldb
.LdbError
, (ecode
, emsg
):
258 if ecode
== ldb
.ERR_NO_SUCH_OBJECT
:
261 raise ldb
.LdbError(ecode
, emsg
)
264 logger
.warn('Group already exists sid=%s, groupname=%s existing_groupname=%s, Ignoring.',
265 str(groupmap
.sid
), groupmap
.nt_name
, msg
[0]['sAMAccountName'][0])
267 if groupmap
.sid_name_use
== lsa
.SID_NAME_WKN_GRP
:
268 # In a lot of Samba3 databases, aliases are marked as well known groups
269 (group_dom_sid
, rid
) = groupmap
.sid
.split()
270 if (group_dom_sid
!= security
.dom_sid(security
.SID_BUILTIN
)):
274 m
.dn
= ldb
.Dn(samdb
, "CN=%s,CN=Users,%s" % (groupmap
.nt_name
, samdb
.get_default_basedn()))
275 m
['cn'] = ldb
.MessageElement(groupmap
.nt_name
, ldb
.FLAG_MOD_ADD
, 'cn')
276 m
['objectClass'] = ldb
.MessageElement('group', ldb
.FLAG_MOD_ADD
, 'objectClass')
277 m
['objectSid'] = ldb
.MessageElement(ndr_pack(groupmap
.sid
), ldb
.FLAG_MOD_ADD
,
279 m
['sAMAccountName'] = ldb
.MessageElement(groupmap
.nt_name
, ldb
.FLAG_MOD_ADD
,
283 m
['description'] = ldb
.MessageElement(groupmap
.comment
, ldb
.FLAG_MOD_ADD
,
286 # Fix up incorrect 'well known' groups that are actually builtin (per test above) to be aliases
287 if groupmap
.sid_name_use
== lsa
.SID_NAME_ALIAS
or groupmap
.sid_name_use
== lsa
.SID_NAME_WKN_GRP
:
288 m
['groupType'] = ldb
.MessageElement(str(dsdb
.GTYPE_SECURITY_DOMAIN_LOCAL_GROUP
),
289 ldb
.FLAG_MOD_ADD
, 'groupType')
292 samdb
.add(m
, controls
=["relax:0"])
293 except ldb
.LdbError
, e
:
294 logger
.warn('Could not add group name=%s (%s)', groupmap
.nt_name
, str(e
))
297 def add_users_to_group(samdb
, group
, members
, logger
):
298 """Add user/member to group/alias
300 param samdb: Samba4 SAM database
301 param group: Groupmap object
302 param members: List of member SIDs
303 param logger: Logger object
305 for member_sid
in members
:
307 m
.dn
= ldb
.Dn(samdb
, "<SID=%s>" % str(group
.sid
))
308 m
['a01'] = ldb
.MessageElement("<SID=%s>" % str(member_sid
), ldb
.FLAG_MOD_ADD
, 'member')
312 except ldb
.LdbError
, (ecode
, emsg
):
313 if ecode
== ldb
.ERR_ENTRY_ALREADY_EXISTS
:
314 logger
.debug("skipped re-adding member '%s' to group '%s': %s", member_sid
, group
.sid
, emsg
)
315 elif ecode
== ldb
.ERR_NO_SUCH_OBJECT
:
316 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
))
318 raise ProvisioningError("Could not add member '%s' to group '%s': %s" % (member_sid
, group
.sid
, emsg
))
321 def import_wins(samba4_winsdb
, samba3_winsdb
):
322 """Import settings from a Samba3 WINS database.
324 :param samba4_winsdb: WINS database to import to
325 :param samba3_winsdb: WINS database to import from
330 for (name
, (ttl
, ips
, nb_flags
)) in samba3_winsdb
.items():
333 type = int(name
.split("#", 1)[1], 16)
348 if ttl
> time
.time():
349 rState
= 0x0 # active
351 rState
= 0x1 # released
353 nType
= ((nb_flags
& 0x60) >> 5)
355 samba4_winsdb
.add({"dn": "name=%s,type=0x%s" % tuple(name
.split("#")),
356 "type": name
.split("#")[1],
357 "name": name
.split("#")[0],
358 "objectClass": "winsRecord",
359 "recordType": str(rType
),
360 "recordState": str(rState
),
361 "nodeType": str(nType
),
362 "expireTime": ldb
.timestring(ttl
),
364 "versionID": str(version_id
),
367 samba4_winsdb
.add({"dn": "cn=VERSION",
369 "objectClass": "winsMaxVersion",
370 "maxVersion": str(version_id
)})
373 def enable_samba3sam(samdb
, ldapurl
):
374 """Enable Samba 3 LDAP URL database.
376 :param samdb: SAM Database.
377 :param ldapurl: Samba 3 LDAP URL
379 samdb
.modify_ldif("""
383 @LIST: samldb,operational,objectguid,rdn_name,samba3sam
386 samdb
.add({"dn": "@MAP=samba3sam", "@MAP_URL": ldapurl
})
403 "bind interfaces only",
408 "obey pam restrictions",
416 "client NTLMv2 auth",
417 "client lanman auth",
418 "client plaintext auth",
436 "name resolve order",
445 "paranoid server security",
482 def upgrade_smbconf(oldconf
, mark
):
483 """Remove configuration variables not present in Samba4
485 :param oldconf: Old configuration structure
486 :param mark: Whether removed configuration variables should be
487 kept in the new configuration as "samba3:<name>"
489 data
= oldconf
.data()
495 for k
in smbconf_keep
:
496 if smbconf_keep
[k
] == p
:
501 newconf
.set(s
, p
, oldconf
.get(s
, p
))
503 newconf
.set(s
, "samba3:" + p
, oldconf
.get(s
, p
))
507 SAMBA3_PREDEF_NAMES
= {
508 'HKLM': registry
.HKEY_LOCAL_MACHINE
,
512 def import_registry(samba4_registry
, samba3_regdb
):
513 """Import a Samba 3 registry database into the Samba 4 registry.
515 :param samba4_registry: Samba 4 registry handle.
516 :param samba3_regdb: Samba 3 registry database handle.
518 def ensure_key_exists(keypath
):
519 (predef_name
, keypath
) = keypath
.split("/", 1)
520 predef_id
= SAMBA3_PREDEF_NAMES
[predef_name
]
521 keypath
= keypath
.replace("/", "\\")
522 return samba4_registry
.create_key(predef_id
, keypath
)
524 for key
in samba3_regdb
.keys():
525 key_handle
= ensure_key_exists(key
)
526 for subkey
in samba3_regdb
.subkeys(key
):
527 ensure_key_exists(subkey
)
528 for (value_name
, (value_type
, value_data
)) in samba3_regdb
.values(key
).items():
529 key_handle
.set_value(value_name
, value_type
, value_data
)
531 def get_posix_attr_from_ldap_backend(logger
, ldb_object
, base_dn
, user
, attr
):
532 """Get posix attributes from a samba3 ldap backend
533 :param ldbs: a list of ldb connection objects
534 :param base_dn: the base_dn of the connection
535 :param user: the user to get the attribute for
536 :param attr: the attribute to be retrieved
539 msg
= ldb_object
.search(base_dn
, scope
=ldb
.SCOPE_SUBTREE
,
540 expression
=("(&(objectClass=posixAccount)(uid=%s))"
541 % (user
)), attrs
=[attr
])
542 except ldb
.LdbError
, e
:
543 raise ProvisioningError("Failed to retrieve attribute %s for user %s, the error is: %s", attr
, user
, e
)
546 # This will raise KeyError (which is what we want) if there isn't a entry for this user
547 return msg
[0][attr
][0]
549 logger
.warning("LDAP entry for user %s contains more than one %s", user
, attr
)
553 def upgrade_from_samba3(samba3
, logger
, targetdir
, session_info
=None,
554 useeadb
=False, dns_backend
=None, use_ntvfs
=False):
555 """Upgrade from samba3 database to samba4 AD database
557 :param samba3: samba3 object
558 :param logger: Logger object
559 :param targetdir: samba4 database directory
560 :param session_info: Session information
562 serverrole
= samba3
.lp
.server_role()
564 domainname
= samba3
.lp
.get("workgroup")
565 realm
= samba3
.lp
.get("realm")
566 netbiosname
= samba3
.lp
.get("netbios name")
568 if samba3
.lp
.get("ldapsam:trusted") is None:
569 samba3
.lp
.set("ldapsam:trusted", "yes")
573 secrets_db
= samba3
.get_secrets_db()
575 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
)))
578 domainname
= secrets_db
.domains()[0]
579 logger
.warning("No workgroup specified in smb.conf file, assuming '%s'",
583 if serverrole
== "ROLE_DOMAIN_BDC" or serverrole
== "ROLE_DOMAIN_PDC":
584 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.")
586 realm
= domainname
.upper()
587 logger
.warning("No realm specified in smb.conf file, assuming '%s'",
590 # Find machine account and password
594 machinepass
= secrets_db
.get_machine_password(netbiosname
)
598 if samba3
.lp
.get("passdb backend").split(":")[0].strip() == "ldapsam":
599 base_dn
= samba3
.lp
.get("ldap suffix")
600 ldapuser
= samba3
.lp
.get("ldap admin dn")
601 ldappass
= secrets_db
.get_ldap_bind_pw(ldapuser
)
603 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.")
604 ldappass
= ldappass
.strip('\x00')
611 # We must close the direct pytdb database before the C code loads it
614 # Connect to old password backend
615 passdb
.set_secrets_dir(samba3
.lp
.get("private dir"))
616 s3db
= samba3
.get_sam_db()
620 domainsid
= passdb
.get_global_sam_sid()
622 raise Exception("Can't find domain sid for '%s', Exiting." % domainname
)
624 # Get machine account, sid, rid
626 machineacct
= s3db
.getsampwnam('%s$' % netbiosname
)
631 machinesid
, machinerid
= machineacct
.user_sid
.split()
633 # Export account policy
634 logger
.info("Exporting account policy")
635 policy
= s3db
.get_account_policy()
637 # Export groups from old passdb backend
638 logger
.info("Exporting groups")
639 grouplist
= s3db
.enum_group_mapping()
641 for group
in grouplist
:
642 sid
, rid
= group
.sid
.split()
647 # Get members for each group/alias
648 if group
.sid_name_use
== lsa
.SID_NAME_ALIAS
:
650 members
= s3db
.enum_aliasmem(group
.sid
)
651 groupmembers
[str(group
.sid
)] = members
652 except passdb
.error
, e
:
653 logger
.warn("Ignoring group '%s' %s listed but then not found: %s",
654 group
.nt_name
, group
.sid
, e
)
656 elif group
.sid_name_use
== lsa
.SID_NAME_DOM_GRP
:
658 members
= s3db
.enum_group_members(group
.sid
)
659 groupmembers
[str(group
.sid
)] = members
660 except passdb
.error
, e
:
661 logger
.warn("Ignoring group '%s' %s listed but then not found: %s",
662 group
.nt_name
, group
.sid
, e
)
664 elif group
.sid_name_use
== lsa
.SID_NAME_WKN_GRP
:
665 (group_dom_sid
, rid
) = group
.sid
.split()
666 if (group_dom_sid
!= security
.dom_sid(security
.SID_BUILTIN
)):
667 logger
.warn("Ignoring 'well known' group '%s' (should already be in AD, and have no members)",
670 # A number of buggy databases mix up well known groups and aliases.
672 members
= s3db
.enum_aliasmem(group
.sid
)
673 groupmembers
[str(group
.sid
)] = members
674 except passdb
.error
, e
:
675 logger
.warn("Ignoring group '%s' %s listed but then not found: %s",
676 group
.nt_name
, group
.sid
, e
)
679 logger
.warn("Ignoring group '%s' %s with sid_name_use=%d",
680 group
.nt_name
, group
.sid
, group
.sid_name_use
)
683 # Export users from old passdb backend
684 logger
.info("Exporting users")
685 userlist
= s3db
.search_users(0)
689 for entry
in userlist
:
690 if machinerid
and machinerid
== entry
['rid']:
692 username
= entry
['account_name']
693 if entry
['rid'] < 1000:
694 logger
.info(" Skipping wellknown rid=%d (for username=%s)", entry
['rid'], username
)
696 if entry
['rid'] >= next_rid
:
697 next_rid
= entry
['rid'] + 1
699 user
= s3db
.getsampwnam(username
)
700 acct_type
= (user
.acct_ctrl
& (samr
.ACB_NORMAL|samr
.ACB_WSTRUST|samr
.ACB_SVRTRUST|samr
.ACB_DOMTRUST
))
701 if (acct_type
== samr
.ACB_NORMAL
or acct_type
== samr
.ACB_WSTRUST
):
704 elif acct_type
== samr
.ACB_SVRTRUST
:
705 logger
.warn(" Demoting BDC account trust for %s, this DC must be elevated to an AD DC using 'samba-tool domain promote'" % username
[:-1])
706 user
.acct_ctrl
= (user
.acct_ctrl
& ~samr
.ACB_SVRTRUST
) | samr
.ACB_WSTRUST
708 elif acct_type
== samr
.ACB_DOMTRUST
:
709 logger
.warn(" Skipping inter-domain trust from domain %s, this trust must be re-created as an AD trust" % username
[:-1])
711 elif acct_type
== (samr
.ACB_NORMAL|samr
.ACB_WSTRUST
) and username
[-1] == '$':
712 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
)
713 user
.acct_ctrl
= (user
.acct_ctrl
& ~samr
.ACB_NORMAL
)
715 elif acct_type
== (samr
.ACB_NORMAL|samr
.ACB_SVRTRUST
) and username
[-1] == '$':
716 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
)
717 user
.acct_ctrl
= (user
.acct_ctrl
& ~samr
.ACB_NORMAL
)
720 raise ProvisioningError("""Failed to upgrade due to invalid account %s, account control flags 0x%08X must have exactly one of
721 ACB_NORMAL (N, 0x%08X), ACB_WSTRUST (W 0x%08X), ACB_SVRTRUST (S 0x%08X) or ACB_DOMTRUST (D 0x%08X).
723 Please fix this account before attempting to upgrade again
725 % (user
.acct_flags
, username
,
726 samr
.ACB_NORMAL
, samr
.ACB_WSTRUST
, samr
.ACB_SVRTRUST
, samr
.ACB_DOMTRUST
))
728 userdata
[username
] = user
730 uids
[username
] = s3db
.sid_to_id(user
.user_sid
)[0]
733 uids
[username
] = pwd
.getpwnam(username
).pw_uid
737 if not admin_user
and username
.lower() == 'root':
738 admin_user
= username
739 if username
.lower() == 'administrator':
740 admin_user
= username
743 group_memberships
= s3db
.enum_group_memberships(user
);
744 for group
in group_memberships
:
745 if str(group
) in groupmembers
:
746 if user
.user_sid
not in groupmembers
[str(group
)]:
747 groupmembers
[str(group
)].append(user
.user_sid
)
749 groupmembers
[str(group
)] = [user
.user_sid
];
750 except passdb
.error
, e
:
751 logger
.warn("Ignoring group memberships of '%s' %s: %s",
752 username
, user
.user_sid
, e
)
754 logger
.info("Next rid = %d", next_rid
)
756 # Check for same username/groupname
757 group_names
= set([g
.nt_name
for g
in grouplist
])
758 user_names
= set([u
['account_name'] for u
in userlist
])
759 common_names
= group_names
.intersection(user_names
)
761 logger
.error("Following names are both user names and group names:")
762 for name
in common_names
:
763 logger
.error(" %s" % name
)
764 raise ProvisioningError("Please remove common user/group names before upgrade.")
766 # Check for same user sid/group sid
767 group_sids
= set([str(g
.sid
) for g
in grouplist
])
768 if len(grouplist
) != len(group_sids
):
769 raise ProvisioningError("Please remove duplicate group sid entries before upgrade.")
770 user_sids
= set(["%s-%u" % (domainsid
, u
['rid']) for u
in userlist
])
771 if len(userlist
) != len(user_sids
):
772 raise ProvisioningError("Please remove duplicate user sid entries before upgrade.")
773 common_sids
= group_sids
.intersection(user_sids
)
775 logger
.error("Following sids are both user and group sids:")
776 for sid
in common_sids
:
777 logger
.error(" %s" % str(sid
))
778 raise ProvisioningError("Please remove duplicate sid entries before upgrade.")
780 # Get posix attributes from ldap or the os
785 creds
= Credentials()
786 creds
.guess(samba3
.lp
)
787 creds
.set_bind_dn(ldapuser
)
788 creds
.set_password(ldappass
)
789 urls
= samba3
.lp
.get("passdb backend").split(":",1)[1].strip('"')
790 for url
in urls
.split():
792 ldb_object
= Ldb(url
, credentials
=creds
)
793 except ldb
.LdbError
, e
:
794 logger
.warning("Could not open ldb connection to %s, the error message is: %s", url
, e
)
797 logger
.info("Exporting posix attributes")
798 userlist
= s3db
.search_users(0)
799 for entry
in userlist
:
800 username
= entry
['account_name']
801 if username
in uids
.keys():
804 homes
[username
] = get_posix_attr_from_ldap_backend(logger
, ldb_object
, base_dn
, username
, "homeDirectory")
806 homes
[username
] = pwd
.getpwnam(username
).pw_dir
814 shells
[username
] = get_posix_attr_from_ldap_backend(logger
, ldb_object
, base_dn
, username
, "loginShell")
816 shells
[username
] = pwd
.getpwnam(username
).pw_shell
824 pgids
[username
] = get_posix_attr_from_ldap_backend(logger
, ldb_object
, base_dn
, username
, "gidNumber")
826 pgids
[username
] = pwd
.getpwnam(username
).pw_gid
832 logger
.info("Reading WINS database")
835 samba3_winsdb
= samba3
.get_wins_db()
837 logger
.warn('Cannot open wins database, Ignoring: %s', str(e
))
839 if not (serverrole
== "ROLE_DOMAIN_BDC" or serverrole
== "ROLE_DOMAIN_PDC"):
842 # If we found an admin user, set a fake pw that we will override.
843 # This avoids us printing out an admin password that we won't actually
846 adminpass
= generate_random_password(12, 32)
851 result
= provision(logger
, session_info
, None,
852 targetdir
=targetdir
, realm
=realm
, domain
=domainname
,
853 domainsid
=str(domainsid
), next_rid
=next_rid
,
854 dc_rid
=machinerid
, adminpass
= adminpass
,
855 dom_for_fun_level
=dsdb
.DS_DOMAIN_FUNCTION_2003
,
856 hostname
=netbiosname
.lower(), machinepass
=machinepass
,
857 serverrole
=serverrole
, samdb_fill
=FILL_FULL
,
858 useeadb
=useeadb
, dns_backend
=dns_backend
, use_rfc2307
=True,
859 use_ntvfs
=use_ntvfs
, skip_sysvolacl
=True)
860 result
.report_logger(logger
)
862 # Import WINS database
863 logger
.info("Importing WINS database")
866 import_wins(Ldb(result
.paths
.winsdb
), samba3_winsdb
)
869 logger
.info("Importing Account policy")
870 import_sam_policy(result
.samdb
, policy
, logger
)
872 # Migrate IDMAP database
873 logger
.info("Importing idmap database")
874 import_idmap(result
.idmap
, samba3
, logger
)
876 # Set the s3 context for samba4 configuration
877 new_lp_ctx
= s3param
.get_context()
878 new_lp_ctx
.load(result
.lp
.configfile
)
879 new_lp_ctx
.set("private dir", result
.lp
.get("private dir"))
880 new_lp_ctx
.set("state directory", result
.lp
.get("state directory"))
881 new_lp_ctx
.set("lock directory", result
.lp
.get("lock directory"))
883 # Connect to samba4 backend
884 s4_passdb
= passdb
.PDB(new_lp_ctx
.get("passdb backend"))
886 # Export groups to samba4 backend
887 logger
.info("Importing groups")
889 # Ignore uninitialized groups (gid = -1)
891 add_group_from_mapping_entry(result
.samdb
, g
, logger
)
892 add_ad_posix_idmap_entry(result
.samdb
, g
.sid
, g
.gid
, "ID_TYPE_GID", logger
)
893 add_posix_attrs(samdb
=result
.samdb
, sid
=g
.sid
, name
=g
.nt_name
, nisdomain
=domainname
.lower(), xid_type
="ID_TYPE_GID", logger
=logger
)
895 # Export users to samba4 backend
896 logger
.info("Importing users")
897 for username
in userdata
:
898 if username
.lower() == 'administrator':
899 if userdata
[username
].user_sid
!= dom_sid(str(domainsid
) + "-500"):
900 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")))
901 raise ProvisioningError("User 'Administrator' in your existing directory does not have SID ending in -500")
902 if username
.lower() == 'root':
903 if userdata
[username
].user_sid
== dom_sid(str(domainsid
) + "-500"):
904 logger
.warn('User root has been replaced by Administrator')
906 logger
.warn('User root has been kept in the directory, it should be removed in favour of the Administrator user')
908 s4_passdb
.add_sam_account(userdata
[username
])
910 add_ad_posix_idmap_entry(result
.samdb
, userdata
[username
].user_sid
, uids
[username
], "ID_TYPE_UID", logger
)
911 if (username
in homes
) and (homes
[username
] is not None) and \
912 (username
in shells
) and (shells
[username
] is not None) and \
913 (username
in pgids
) and (pgids
[username
] is not None):
914 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
)
916 logger
.info("Adding users to groups")
918 if str(g
.sid
) in groupmembers
:
919 add_users_to_group(result
.samdb
, g
, groupmembers
[str(g
.sid
)], logger
)
921 # Set password for administrator
923 logger
.info("Setting password for administrator")
924 admin_userdata
= s4_passdb
.getsampwnam("administrator")
925 admin_userdata
.nt_passwd
= userdata
[admin_user
].nt_passwd
926 if userdata
[admin_user
].lanman_passwd
:
927 admin_userdata
.lanman_passwd
= userdata
[admin_user
].lanman_passwd
928 admin_userdata
.pass_last_set_time
= userdata
[admin_user
].pass_last_set_time
929 if userdata
[admin_user
].pw_history
:
930 admin_userdata
.pw_history
= userdata
[admin_user
].pw_history
931 s4_passdb
.update_sam_account(admin_userdata
)
932 logger
.info("Administrator password has been set to password of user '%s'", admin_user
)
934 if result
.server_role
== "active directory domain controller":
935 setsysvolacl(result
.samdb
, result
.paths
.netlogon
, result
.paths
.sysvol
,
936 result
.paths
.root_uid
, result
.paths
.root_gid
,
937 security
.dom_sid(result
.domainsid
), result
.names
.dnsdomain
,
938 result
.names
.domaindn
, result
.lp
, use_ntvfs
)
940 # FIXME: import_registry(registry.Registry(), samba3.get_registry())