-#!/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
-# 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."""
-from provision import findnss, provision, FILL_DRS
+__docformat__ = "restructuredText"
+
import grp
import ldb
import time
import pwd
-import uuid
-import registry
-from samba import Ldb
-from samba.samdb import SamDB
-def import_sam_policy(samldb, samba3_policy, domaindn):
+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."""
samldb.modify_ldif("""
dn: %s
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),
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_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
"""
"objectClass": "winsMaxVersion",
"maxVersion": str(version_id)})
-def upgrade_provision(samba3, setup_dir, message, credentials, session_info, smbconf, targetdir):
- oldconf = samba3.get_conf()
-
- if oldconf.get("domain logons") == "True":
- serverrole = "domain controller"
- else:
- if oldconf.get("security") == "user":
- serverrole = "standalone"
- else:
- serverrole = "member server"
-
- domainname = oldconf.get("workgroup")
- if domainname:
- domainname = str(domainname)
- realm = oldconf.get("realm")
- netbiosname = oldconf.get("netbios name")
-
- secrets_db = samba3.get_secrets_db()
-
- if domainname is None:
- domainname = secrets_db.domains()[0]
- message("No domain specified in smb.conf file, assuming '%s'" % domainname)
-
- if realm is None:
- realm = domainname.lower()
- message("No realm specified in smb.conf file, assuming '%s'\n" % 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\n" % domainname)
-
- if netbiosname is not None:
- machinepass = secrets_db.get_machine_password(netbiosname)
- else:
- machinepass = None
-
- result = provision(setup_dir=setup_dir, message=message,
- samdb_fill=FILL_DRS, smbconf=smbconf, session_info=session_info,
- credentials=credentials, realm=realm,
- domain=domainname, domainsid=domainsid, domainguid=domainguid,
- machinepass=machinepass, serverrole=serverrole, targetdir=targetdir)
-
- 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")
-
- enable_samba3sam(result.samdb, passdb.ldap_url)
-
-
def enable_samba3sam(samdb, ldapurl):
"""Enable Samba 3 LDAP URL database.
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()
- newconf = param_init()
+ newconf = LoadParm()
for s in data:
for p in data[s]:
key_handle.set_value(value_name, value_type, value_data)
+def upgrade_from_samba3(samba3, logger, session_info, smbconf, targetdir):
+ """Upgrade from samba3 database to samba4 AD database
+ """
+
+ # 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":
+ serverrole = "standalone"
+ else:
+ serverrole = "member server"
+
+ domainname = oldconf.get("workgroup")
+ realm = oldconf.get("realm")
+ netbiosname = oldconf.get("netbios name")
+
+ # secrets db
+ secrets_db = samba3.get_secrets_db()
+
+ if not domainname:
+ domainname = secrets_db.domains()[0]
+ 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()
+ logger.warning("No realm specified in smb.conf file, assuming '%s'",
+ realm)
+
+ # Find machine account and password
+ machinepass = None
+ machinerid = None
+ machinesid = None
+ next_rid = 1000
+
+ try:
+ machinepass = secrets_db.get_machine_password(netbiosname)
+ 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)
+
+ 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,
+ domainsid=domainsid, next_rid=next_rid,
+ dc_rid=machinerid,
+ hostname=netbiosname, machinepass=machinepass,
+ serverrole=serverrole, samdb_fill=FILL_FULL)
+
+ 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)
+
+ # FIXME: Aliases
+
+ # Export users to samba4 backend
+ new_smbconf = result.lp.configfile
+ newconf = s3param.get_context()
+ newconf.load(new_smbconf)
+
+ new_passdb = passdb.PDB('samba4')
+
+ for username in userdata:
+ print "adding user %s" % username
+ new_passdb.add_sam_account(userdata[username])
git.samba.org / amitay / samba.git / blobdiff