-#!/usr/bin/python
+# backend code for upgrading from Samba3
+# Copyright Jelmer Vernooij 2005-2007
#
-# backend code for upgrading from Samba3
-# Copyright Jelmer Vernooij 2005-2007
-# Copyright Matthias Dieter Wallnöfer 2009
-# Released under the GNU GPL v3 or later
+# This program is free software; you can redistribute it and/or modify
+# it under the terms of the GNU General Public License as published by
+# the Free Software Foundation; either version 3 of the License, or
+# (at your option) any later version.
+#
+# This program is distributed in the hope that it will be useful,
+# but WITHOUT ANY WARRANTY; without even the implied warranty of
+# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+# GNU General Public License for more details.
+#
+# You should have received a copy of the GNU General Public License
+# along with this program. If not, see <http://www.gnu.org/licenses/>.
#
"""Support code for upgrading from Samba 3 to Samba 4."""
__docformat__ = "restructuredText"
-from provision import provision
import grp
import ldb
import time
import pwd
-import registry
-from samba import Ldb
+
+from samba import Ldb, registry
from samba.param import LoadParm
+from samba.provision import provision, FILL_FULL
+from samba.samba3 import passdb
+from samba.samba3 import param as s3param
def import_sam_policy(samldb, policy, dn):
"""Import a Samba 3 policy database."""
samba3BadLockoutMinutes: %d
samba3DisconnectTime: %d
-""" % (dn, policy.min_password_length,
+""" % (dn, policy.min_password_length,
policy.password_history, policy.minimum_password_age,
policy.maximum_password_age, policy.lockout_duration,
policy.reset_count_minutes, policy.user_must_logon_to_change_password,
def import_sam_account(samldb,acc,domaindn,domainsid):
"""Import a Samba 3 SAM account.
-
+
:param samldb: Samba 4 SAM Database handle
:param acc: Samba 3 account
:param domaindn: Domain DN
if acc.fullname is None:
acc.fullname = acc.username
-
+
assert acc.fullname is not None
assert acc.nt_username is not None
"samba3Domain": acc.domain,
"samba3DirDrive": acc.dir_drive,
"samba3MungedDial": acc.munged_dial,
- "samba3Homedir": acc.homedir,
- "samba3LogonScript": acc.logon_script,
+ "samba3Homedir": acc.homedir,
+ "samba3LogonScript": acc.logon_script,
"samba3ProfilePath": acc.profile_path,
"samba3Workstations": acc.workstations,
"samba3KickOffTime": str(acc.kickoff_time),
"ntPwdHash:": acc.nt_password,
})
+
def import_sam_group(samldb, sid, gid, sid_name_use, nt_name, comment, domaindn):
"""Upgrade a SAM group.
-
+
:param samldb: SAM database.
:param gid: Group GID
:param sid_name_use: SID name use
if nt_name in ("Domain Guests", "Domain Users", "Domain Admins"):
return None
-
+
if gid == -1:
gr = grp.getgrnam(nt_name)
else:
unixname = gr.gr_name
assert unixname is not None
-
+
samldb.add({
"dn": "cn=%s,%s" % (nt_name, domaindn),
"objectClass": ["top", "group"],
"description": comment,
- "cn": nt_name,
+ "cn": nt_name,
"objectSid": sid,
"unixName": unixname,
"samba3SidNameUse": str(sid_name_use)
})
+
def import_idmap(samdb,samba3_idmap,domaindn):
"""Import idmap data.
"type": "group",
"unixID": str(gid)})
+
def import_wins(samba4_winsdb, samba3_winsdb):
"""Import settings from a Samba3 WINS database.
-
+
:param samba4_winsdb: WINS database to import to
:param samba3_winsdb: WINS database to import from
"""
samdb.add({"dn": "@MAP=samba3sam", "@MAP_URL": ldapurl})
+
smbconf_keep = [
- "dos charset",
+ "dos charset",
"unix charset",
"display charset",
"comment",
"write raw",
"disable netbios",
"nt status support",
- "announce version",
- "announce as",
"max mux",
"max xmit",
"name resolve order",
"""Remove configuration variables not present in Samba4
:param oldconf: Old configuration structure
- :param mark: Whether removed configuration variables should be
+ :param mark: Whether removed configuration variables should be
kept in the new configuration as "samba3:<name>"
"""
data = oldconf.data()
key_handle.set_value(value_name, value_type, value_data)
-def upgrade_provision(samba3, setup_dir, message, credentials, session_info,
- smbconf, targetdir):
- oldconf = samba3.get_conf()
+def upgrade_from_samba3(samba3, logger, session_info, smbconf, targetdir):
+ """Upgrade from samba3 database to samba4 AD database
+ """
- if oldconf.get("domain logons") == "True":
+ # Read samba3 smb.conf
+ oldconf = s3param.get_context();
+ oldconf.load(smbconf)
+
+ if oldconf.get("domain logons"):
serverrole = "domain controller"
else:
if oldconf.get("security") == "user":
realm = oldconf.get("realm")
netbiosname = oldconf.get("netbios name")
+ # secrets db
secrets_db = samba3.get_secrets_db()
-
- if domainname is None:
+
+ if not domainname:
domainname = secrets_db.domains()[0]
- message("No domain specified in smb.conf file, assuming '%s'" % domainname)
-
- if realm is None:
- if oldconf.get("domain logons") == "True":
- message("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 (generally it's the upcased DNS domainname).")
+ logger.warning("No domain specified in smb.conf file, assuming '%s'",
+ domainname)
+
+ if not realm:
+ if oldconf.get("domain logons"):
+ logger.warning("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 (generally it's the upcased DNS domainname).")
return
else:
realm = domainname.upper()
- message("No realm specified in smb.conf file, assuming '%s'" % realm)
+ logger.warning("No realm specified in smb.conf file, assuming '%s'",
+ realm)
- domainguid = secrets_db.get_domain_guid(domainname)
- domainsid = secrets_db.get_sid(domainname)
- if domainsid is None:
- message("Can't find domain secrets for '%s'; using random SID" % domainname)
-
- if netbiosname is not None:
+ # Find machine account and password
+ machinepass = None
+ machinerid = None
+ machinesid = None
+ next_rid = 1000
+
+ try:
machinepass = secrets_db.get_machine_password(netbiosname)
- else:
- machinepass = None
+ except:
+ pass
+
+ # We must close the direct pytdb database before the C code loads it
+ secrets_db.close()
+
+ # We must load the group mapping into memory before the passdb code touches it
+ groupdb = samba3.get_groupmapping_db()
+ for sid in groupdb.groupsids():
+ (gid, sid_name_use, nt_name, comment) = groupdb.get_group(sid)
+ # FIXME: import_sam_group(samdb, sid, gid, sid_name_use, nt_name, comment, domaindn)
+ groupdb.close()
+
+ passdb.set_secrets_dir(samba3.libdir)
- result = provision(setup_dir=setup_dir, message=message,
- session_info=session_info, credentials=credentials,
+ try:
+ domainsid = str(passdb.get_global_sam_sid())
+ except:
+ pass
+
+ try:
+ machineacct = old_passdb.getsampwnam('%s$' % netbiosname)
+ machinesid, machinerid = machineacct.user_sid.split()
+ except:
+ pass
+
+ if domainsid is None:
+ logger.warning("Can't find domain secrets for '%s'; using random SID",
+ domainname)
+
+ # Import users from old passdb backend
+ old_passdb = passdb.PDB(oldconf.get('passdb backend'))
+ userlist = old_passdb.search_users(0)
+ userdata = {}
+ for entry in userlist:
+ if machinerid and machinerid == entry['rid']:
+ continue
+ username = entry['account_name']
+ if entry['rid'] < 1000:
+ print("Skipping wellknown rid=%d (for username=%s)\n" % (entry['rid'], username))
+ continue
+ if entry['rid'] >= next_rid:
+ next_rid = entry['rid'] + 1
+
+ userdata[username] = old_passdb.getsampwnam(username)
+
+ # Do full provision
+ result = provision(logger, session_info, None,
targetdir=targetdir, realm=realm, domain=domainname,
- domainguid=domainguid, domainsid=domainsid,
+ domainsid=domainsid, next_rid=next_rid,
+ dc_rid=machinerid,
hostname=netbiosname, machinepass=machinepass,
- serverrole=serverrole)
+ serverrole=serverrole, samdb_fill=FILL_FULL)
- # FIXME: import_wins(Ldb(result.paths.winsdb), samba3.get_wins_db())
+ import_wins(Ldb(result.paths.winsdb), samba3.get_wins_db())
# FIXME: import_registry(registry.Registry(), samba3.get_registry())
# FIXME: import_idmap(samdb,samba3.get_idmap_db(),domaindn)
-
- groupdb = samba3.get_groupmapping_db()
- for sid in groupdb.groupsids():
- (gid, sid_name_use, nt_name, comment) = groupdb.get_group(sid)
- # FIXME: import_sam_group(samdb, sid, gid, sid_name_use, nt_name, comment, domaindn)
# FIXME: Aliases
- passdb = samba3.get_sam_db()
- for name in passdb:
- user = passdb[name]
- #FIXME: import_sam_account(result.samdb, user, domaindn, domainsid)
-
- if hasattr(passdb, 'ldap_url'):
- message("Enabling Samba3 LDAP mappings for SAM database")
+ # Export users to samba4 backend
+ new_smbconf = result.lp.configfile
+ newconf = s3param.get_context()
+ newconf.load(new_smbconf)
- enable_samba3sam(result.samdb, passdb.ldap_url)
+ new_passdb = passdb.PDB('samba4')
+ for username in userdata:
+ print "adding user %s" % username
+ new_passdb.add_sam_account(userdata[username])