# backend code for upgrading from Samba3
# Copyright Jelmer Vernooij 2005-2007
+# Copyright Andrew Bartlett 2011
#
# 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
__docformat__ = "restructuredText"
-import grp
import ldb
import time
import pwd
from samba import Ldb, registry
from samba.param import LoadParm
-from samba.provision import provision, FILL_FULL
+from samba.provision import provision, FILL_FULL, ProvisioningError, setsysvolacl
from samba.samba3 import passdb
from samba.samba3 import param as s3param
-from samba.dcerpc import lsa
+from samba.dcerpc import lsa, samr, security
from samba.dcerpc.security import dom_sid
+from samba.credentials import Credentials
from samba import dsdb
from samba.ndr import ndr_pack
+from samba import unix2nttime
def import_sam_policy(samdb, policy, logger):
m = ldb.Message()
m.dn = samdb.get_default_basedn()
- m['a01'] = ldb.MessageElement(str(policy['min password length']), ldb.FLAG_MOD_REPLACE,
- 'minPwdLength')
- m['a02'] = ldb.MessageElement(str(policy['password history']), ldb.FLAG_MOD_REPLACE,
- 'pwdHistoryLength')
- m['a03'] = ldb.MessageElement(str(policy['minimum password age']), ldb.FLAG_MOD_REPLACE,
- 'minPwdAge')
- m['a04'] = ldb.MessageElement(str(policy['maximum password age']), ldb.FLAG_MOD_REPLACE,
- 'maxPwdAge')
- m['a05'] = ldb.MessageElement(str(policy['lockout duration']), ldb.FLAG_MOD_REPLACE,
- 'lockoutDuration')
+
+ if 'min password length' in policy:
+ m['a01'] = ldb.MessageElement(str(policy['min password length']),
+ ldb.FLAG_MOD_REPLACE, 'minPwdLength')
+
+ if 'password history' in policy:
+ m['a02'] = ldb.MessageElement(str(policy['password history']),
+ ldb.FLAG_MOD_REPLACE, 'pwdHistoryLength')
+
+ if 'minimum password age' in policy:
+ min_pw_age_unix = policy['minimum password age']
+ min_pw_age_nt = int(-min_pw_age_unix * (1e7))
+ m['a03'] = ldb.MessageElement(str(min_pw_age_nt), ldb.FLAG_MOD_REPLACE,
+ 'minPwdAge')
+
+ if 'maximum password age' in policy:
+ max_pw_age_unix = policy['maximum password age']
+ if max_pw_age_unix == -1 or max_pw_age_unix == 0:
+ max_pw_age_nt = -0x8000000000000000
+ else:
+ max_pw_age_nt = int(-max_pw_age_unix * (1e7))
+
+ m['a04'] = ldb.MessageElement(str(max_pw_age_nt), ldb.FLAG_MOD_REPLACE,
+ 'maxPwdAge')
+
+ if 'lockout duration' in policy:
+ lockout_duration_mins = policy['lockout duration']
+ lockout_duration_nt = unix2nttime(lockout_duration_mins * 60)
+
+ m['a05'] = ldb.MessageElement(str(lockout_duration_nt),
+ ldb.FLAG_MOD_REPLACE, 'lockoutDuration')
try:
samdb.modify(m)
logger.warn("Could not set account policy, (%s)", str(e))
+def add_posix_attrs(logger, samdb, sid, name, nisdomain, xid_type, home=None,
+ shell=None, pgid=None):
+ """Add posix attributes for the user/group
+
+ :param samdb: Samba4 sam.ldb database
+ :param sid: user/group sid
+ :param sid: user/group name
+ :param nisdomain: name of the (fake) NIS domain
+ :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
+ :param home: user homedir (Unix homepath)
+ :param shell: user shell
+ :param pgid: users primary group id
+ """
+
+ try:
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, "<SID=%s>" % str(sid))
+ if xid_type == "ID_TYPE_UID":
+ m['unixHomeDirectory'] = ldb.MessageElement(
+ str(home), ldb.FLAG_MOD_REPLACE, 'unixHomeDirectory')
+ m['loginShell'] = ldb.MessageElement(
+ str(shell), ldb.FLAG_MOD_REPLACE, 'loginShell')
+ m['gidNumber'] = ldb.MessageElement(
+ str(pgid), ldb.FLAG_MOD_REPLACE, 'gidNumber')
+
+ m['msSFU30NisDomain'] = ldb.MessageElement(
+ str(nisdomain), ldb.FLAG_MOD_REPLACE, 'msSFU30NisDomain')
+
+ samdb.modify(m)
+ except ldb.LdbError, e:
+ logger.warn(
+ 'Could not add posix attrs for AD entry for sid=%s, (%s)',
+ str(sid), str(e))
+
+def add_ad_posix_idmap_entry(samdb, sid, xid, xid_type, logger):
+ """Create idmap entry
+
+ :param samdb: Samba4 sam.ldb database
+ :param sid: user/group sid
+ :param xid: user/group id
+ :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
+ :param logger: Logger object
+ """
+
+ try:
+ m = ldb.Message()
+ m.dn = ldb.Dn(samdb, "<SID=%s>" % str(sid))
+ if xid_type == "ID_TYPE_UID":
+ m['uidNumber'] = ldb.MessageElement(
+ str(xid), ldb.FLAG_MOD_REPLACE, 'uidNumber')
+ m['objectClass'] = ldb.MessageElement(
+ "posixAccount", ldb.FLAG_MOD_ADD, 'objectClass')
+ elif xid_type == "ID_TYPE_GID":
+ m['gidNumber'] = ldb.MessageElement(
+ str(xid), ldb.FLAG_MOD_REPLACE, 'gidNumber')
+ m['objectClass'] = ldb.MessageElement(
+ "posixGroup", ldb.FLAG_MOD_ADD, 'objectClass')
+
+ samdb.modify(m)
+ except ldb.LdbError, e:
+ logger.warn(
+ 'Could not modify AD idmap entry for sid=%s, id=%s, type=%s (%s)',
+ str(sid), str(xid), xid_type, str(e))
+
+
def add_idmap_entry(idmapdb, sid, xid, xid_type, logger):
"""Create idmap entry
:param idmapdb: Samba4 IDMAP database
:param sid: user/group sid
:param xid: user/group id
- :param xid_type: type of id (UID/GID)
+ :param xid_type: type of id (ID_TYPE_UID/ID_TYPE_GID)
:param logger: Logger object
"""
if found:
try:
m = ldb.Message()
- m.dn = ldb.Dn(idmapdb, msg[0]['dn'])
- m['xidNumber'] = ldb.MessageElement(str(xid), ldb.FLAG_MOD_REPLACE, 'xidNumber')
- m['type'] = ldb.MessageElement(xid_type, ldb.FLAG_MOD_REPLACE, 'type')
+ m.dn = msg[0]['dn']
+ m['xidNumber'] = ldb.MessageElement(
+ str(xid), ldb.FLAG_MOD_REPLACE, 'xidNumber')
+ m['type'] = ldb.MessageElement(
+ xid_type, ldb.FLAG_MOD_REPLACE, 'type')
idmapdb.modify(m)
except ldb.LdbError, e:
- logger.warn('Could not modify idmap entry for sid=%s, id=%s, type=%s (%s)',
- str(sid), str(xid), xid_type, str(e))
+ logger.warn(
+ 'Could not modify idmap entry for sid=%s, id=%s, type=%s (%s)',
+ str(sid), str(xid), xid_type, str(e))
else:
try:
idmapdb.add({"dn": "CN=%s" % str(sid),
"type": xid_type,
"xidNumber": str(xid)})
except ldb.LdbError, e:
- logger.warn('Could not add idmap entry for sid=%s, id=%s, type=%s (%s)',
- str(sid), str(xid), xid_type, str(e))
+ logger.warn(
+ 'Could not add idmap entry for sid=%s, id=%s, type=%s (%s)',
+ str(sid), str(xid), xid_type, str(e))
-def import_idmap(idmapdb, samba3_idmap, logger):
+def import_idmap(idmapdb, samba3, logger):
"""Import idmap data.
:param idmapdb: Samba4 IDMAP database
:param samba3_idmap: Samba3 IDMAP database to import from
:param logger: Logger object
"""
+
+ try:
+ samba3_idmap = samba3.get_idmap_db()
+ except IOError, e:
+ logger.warn('Cannot open idmap database, Ignoring: %s', str(e))
+ return
+
currentxid = max(samba3_idmap.get_user_hwm(), samba3_idmap.get_group_hwm())
lowerbound = currentxid
# FIXME: upperbound
m = ldb.Message()
m.dn = ldb.Dn(idmapdb, 'CN=CONFIG')
- m['lowerbound'] = ldb.MessageElement(str(lowerbound), ldb.FLAG_MOD_REPLACE, 'lowerBound')
- m['xidNumber'] = ldb.MessageElement(str(currentxid), ldb.FLAG_MOD_REPLACE, 'xidNumber')
+ m['lowerbound'] = ldb.MessageElement(
+ str(lowerbound), ldb.FLAG_MOD_REPLACE, 'lowerBound')
+ m['xidNumber'] = ldb.MessageElement(
+ str(currentxid), ldb.FLAG_MOD_REPLACE, 'xidNumber')
idmapdb.modify(m)
for id_type, xid in samba3_idmap.ids():
# First try to see if we already have this entry
try:
- msg = samdb.search(base='<SID=%s>' % str(groupmap.sid), scope=ldb.SCOPE_BASE)
+ msg = samdb.search(
+ base='<SID=%s>' % str(groupmap.sid), scope=ldb.SCOPE_BASE)
found = True
except ldb.LdbError, (ecode, emsg):
if ecode == ldb.ERR_NO_SUCH_OBJECT:
str(groupmap.sid), groupmap.nt_name, msg[0]['sAMAccountName'][0])
else:
if groupmap.sid_name_use == lsa.SID_NAME_WKN_GRP:
- return
+ # In a lot of Samba3 databases, aliases are marked as well known groups
+ (group_dom_sid, rid) = groupmap.sid.split()
+ if (group_dom_sid != security.dom_sid(security.SID_BUILTIN)):
+ return
m = ldb.Message()
m.dn = ldb.Dn(samdb, "CN=%s,CN=Users,%s" % (groupmap.nt_name, samdb.get_default_basedn()))
- m['a01'] = ldb.MessageElement(groupmap.nt_name, ldb.FLAG_MOD_ADD, 'cn')
- m['a02'] = ldb.MessageElement('group', ldb.FLAG_MOD_ADD, 'objectClass')
- m['a03'] = ldb.MessageElement(ndr_pack(groupmap.sid), ldb.FLAG_MOD_ADD, 'objectSid')
- m['a04'] = ldb.MessageElement(groupmap.comment, ldb.FLAG_MOD_ADD, 'description')
- m['a05'] = ldb.MessageElement(groupmap.nt_name, ldb.FLAG_MOD_ADD, 'sAMAccountName')
-
- if groupmap.sid_name_use == lsa.SID_NAME_ALIAS:
- m['a06'] = ldb.MessageElement(str(dsdb.GTYPE_SECURITY_DOMAIN_LOCAL_GROUP), ldb.FLAG_MOD_ADD, 'groupType')
+ m['cn'] = ldb.MessageElement(groupmap.nt_name, ldb.FLAG_MOD_ADD, 'cn')
+ m['objectClass'] = ldb.MessageElement('group', ldb.FLAG_MOD_ADD, 'objectClass')
+ m['objectSid'] = ldb.MessageElement(ndr_pack(groupmap.sid), ldb.FLAG_MOD_ADD,
+ 'objectSid')
+ m['sAMAccountName'] = ldb.MessageElement(groupmap.nt_name, ldb.FLAG_MOD_ADD,
+ 'sAMAccountName')
+
+ if groupmap.comment:
+ m['description'] = ldb.MessageElement(groupmap.comment, ldb.FLAG_MOD_ADD,
+ 'description')
+
+ # Fix up incorrect 'well known' groups that are actually builtin (per test above) to be aliases
+ if groupmap.sid_name_use == lsa.SID_NAME_ALIAS or groupmap.sid_name_use == lsa.SID_NAME_WKN_GRP:
+ m['groupType'] = ldb.MessageElement(str(dsdb.GTYPE_SECURITY_DOMAIN_LOCAL_GROUP),
+ ldb.FLAG_MOD_ADD, 'groupType')
try:
samdb.add(m, controls=["relax:0"])
"""
for member_sid in members:
m = ldb.Message()
- m.dn = ldb.Dn(samdb, "<SID=%s" % str(group.sid))
- m['a01'] = ldb.MessageElement("<SID=%s>" % str(member_sid), ldb.FLAG_MOD_REPLACE, 'member')
+ m.dn = ldb.Dn(samdb, "<SID=%s>" % str(group.sid))
+ m['a01'] = ldb.MessageElement("<SID=%s>" % str(member_sid), ldb.FLAG_MOD_ADD, 'member')
try:
samdb.modify(m)
- except ldb.LdbError, e:
- logger.warn("Could not add member to group '%s'", groupmap.nt_name)
+ except ldb.LdbError, (ecode, emsg):
+ if ecode == ldb.ERR_ENTRY_ALREADY_EXISTS:
+ logger.debug("skipped re-adding member '%s' to group '%s': %s", member_sid, group.sid, emsg)
+ elif ecode == ldb.ERR_NO_SUCH_OBJECT:
+ 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))
+ else:
+ raise ProvisioningError("Could not add member '%s' to group '%s': %s" % (member_sid, group.sid, emsg))
def import_wins(samba4_winsdb, samba3_winsdb):
:param samba4_winsdb: WINS database to import to
:param samba3_winsdb: WINS database to import from
"""
+
version_id = 0
for (name, (ttl, ips, nb_flags)) in samba3_winsdb.items():
- version_id+=1
+ version_id += 1
type = int(name.split("#", 1)[1], 16)
else:
rState = 0x1 # released
- nType = ((nb_flags & 0x60)>>5)
+ nType = ((nb_flags & 0x60) >> 5)
samba4_winsdb.add({"dn": "name=%s,type=0x%s" % tuple(name.split("#")),
"type": name.split("#")[1],
"objectClass": "winsMaxVersion",
"maxVersion": str(version_id)})
+
def enable_samba3sam(samdb, ldapurl):
"""Enable Samba 3 LDAP URL database.
"host msdfs",
"winbind separator"]
-def upgrade_smbconf(oldconf,mark):
+
+def upgrade_smbconf(oldconf, mark):
"""Remove configuration variables not present in Samba4
:param oldconf: Old configuration structure
if keep:
newconf.set(s, p, oldconf.get(s, p))
elif mark:
- newconf.set(s, "samba3:"+p, oldconf.get(s,p))
+ newconf.set(s, "samba3:" + p, oldconf.get(s, p))
return newconf
'HKLM': registry.HKEY_LOCAL_MACHINE,
}
+
def import_registry(samba4_registry, samba3_regdb):
"""Import a Samba 3 registry database into the Samba 4 registry.
for (value_name, (value_type, value_data)) in samba3_regdb.values(key).items():
key_handle.set_value(value_name, value_type, value_data)
+def get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, user, attr):
+ """Get posix attributes from a samba3 ldap backend
+ :param ldbs: a list of ldb connection objects
+ :param base_dn: the base_dn of the connection
+ :param user: the user to get the attribute for
+ :param attr: the attribute to be retrieved
+ """
+ try:
+ msg = ldb_object.search(base_dn, scope=ldb.SCOPE_SUBTREE,
+ expression=("(&(objectClass=posixAccount)(uid=%s))"
+ % (user)), attrs=[attr])
+ except ldb.LdbError, e:
+ raise ProvisioningError("Failed to retrieve attribute %s for user %s, the error is: %s", attr, user, e)
+ else:
+ if msg.count <= 1:
+ # This will raise KeyError (which is what we want) if there isn't a entry for this user
+ return msg[0][attr][0]
+ else:
+ logger.warning("LDAP entry for user %s contains more than one %s", user, attr)
+ raise KeyError
+
-def upgrade_from_samba3(samba3, logger, targetdir, session_info=None):
+def upgrade_from_samba3(samba3, logger, targetdir, session_info=None,
+ useeadb=False, dns_backend=None, use_ntvfs=False):
"""Upgrade from samba3 database to samba4 AD database
:param samba3: samba3 object
:param targetdir: samba4 database directory
:param session_info: Session information
"""
-
- if samba3.lp.get("domain logons"):
- serverrole = "domain controller"
- else:
- if samba3.lp.get("security") == "user":
- serverrole = "standalone"
- else:
- serverrole = "member server"
+ serverrole = samba3.lp.server_role()
domainname = samba3.lp.get("workgroup")
realm = samba3.lp.get("realm")
netbiosname = samba3.lp.get("netbios name")
+ if samba3.lp.get("ldapsam:trusted") is None:
+ samba3.lp.set("ldapsam:trusted", "yes")
+
# secrets db
- secrets_db = samba3.get_secrets_db()
+ try:
+ secrets_db = samba3.get_secrets_db()
+ except IOError, e:
+ 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)))
if not domainname:
domainname = secrets_db.domains()[0]
domainname)
if not realm:
- if serverrole == "domain controller":
- 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
+ if serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC":
+ 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.")
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
+ except KeyError:
+ machinepass = None
+
+ if samba3.lp.get("passdb backend").split(":")[0].strip() == "ldapsam":
+ base_dn = samba3.lp.get("ldap suffix")
+ ldapuser = samba3.lp.get("ldap admin dn")
+ ldappass = (secrets_db.get_ldap_bind_pw(ldapuser)).strip('\x00')
+ ldap = True
+ else:
+ ldapuser = None
+ ldappass = None
+ ldap = False
# We must close the direct pytdb database before the C code loads it
secrets_db.close()
# Get machine account, sid, rid
try:
machineacct = s3db.getsampwnam('%s$' % netbiosname)
+ except passdb.error:
+ machinerid = None
+ machinesid = None
+ else:
machinesid, machinerid = machineacct.user_sid.split()
- except:
- pass
# Export account policy
logger.info("Exporting account policy")
sid, rid = group.sid.split()
if sid == domainsid:
if rid >= next_rid:
- next_rid = rid + 1
+ next_rid = rid + 1
# Get members for each group/alias
if group.sid_name_use == lsa.SID_NAME_ALIAS:
- members = s3db.enum_aliasmem(group.sid)
+ try:
+ members = s3db.enum_aliasmem(group.sid)
+ groupmembers[str(group.sid)] = members
+ except passdb.error, e:
+ logger.warn("Ignoring group '%s' %s listed but then not found: %s",
+ group.nt_name, group.sid, e)
+ continue
elif group.sid_name_use == lsa.SID_NAME_DOM_GRP:
try:
members = s3db.enum_group_members(group.sid)
- except:
+ groupmembers[str(group.sid)] = members
+ except passdb.error, e:
+ logger.warn("Ignoring group '%s' %s listed but then not found: %s",
+ group.nt_name, group.sid, e)
continue
elif group.sid_name_use == lsa.SID_NAME_WKN_GRP:
- logger.warn("Ignoring 'well known' group '%s' (should already be in AD, and have no members)",
- group.nt_name, group.sid_name_use)
- continue
+ (group_dom_sid, rid) = group.sid.split()
+ if (group_dom_sid != security.dom_sid(security.SID_BUILTIN)):
+ logger.warn("Ignoring 'well known' group '%s' (should already be in AD, and have no members)",
+ group.nt_name)
+ continue
+ # A number of buggy databases mix up well known groups and aliases.
+ try:
+ members = s3db.enum_aliasmem(group.sid)
+ groupmembers[str(group.sid)] = members
+ except passdb.error, e:
+ logger.warn("Ignoring group '%s' %s listed but then not found: %s",
+ group.nt_name, group.sid, e)
+ continue
else:
- logger.warn("Ignoring group '%s' with sid_name_use=%d",
- group.nt_name, group.sid_name_use)
+ logger.warn("Ignoring group '%s' %s with sid_name_use=%d",
+ group.nt_name, group.sid, group.sid_name_use)
continue
- groupmembers[group.nt_name] = members
-
# Export users from old passdb backend
logger.info("Exporting users")
continue
if entry['rid'] >= next_rid:
next_rid = entry['rid'] + 1
-
- userdata[username] = s3db.getsampwnam(username)
+
+ user = s3db.getsampwnam(username)
+ acct_type = (user.acct_ctrl & (samr.ACB_NORMAL|samr.ACB_WSTRUST|samr.ACB_SVRTRUST|samr.ACB_DOMTRUST))
+ if (acct_type == samr.ACB_NORMAL or acct_type == samr.ACB_WSTRUST):
+ pass
+
+ elif acct_type == samr.ACB_SVRTRUST:
+ logger.warn(" Demoting BDC account trust for %s, this DC must be elevated to an AD DC using 'samba-tool domain promote'" % username[:-1])
+ user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_SVRTRUST) | samr.ACB_WSTRUST
+
+ elif acct_type == samr.ACB_DOMTRUST:
+ logger.warn(" Skipping inter-domain trust from domain %s, this trust must be re-created as an AD trust" % username[:-1])
+
+ elif acct_type == (samr.ACB_NORMAL|samr.ACB_WSTRUST) and username[-1] == '$':
+ 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)
+ user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_NORMAL)
+
+ elif acct_type == (samr.ACB_NORMAL|samr.ACB_SVRTRUST) and username[-1] == '$':
+ 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)
+ user.acct_ctrl = (user.acct_ctrl & ~samr.ACB_NORMAL)
+
+ else:
+ raise ProvisioningError("""Failed to upgrade due to invalid account %s, account control flags 0x%08X must have exactly one of
+ACB_NORMAL (N, 0x%08X), ACB_WSTRUST (W 0x%08X), ACB_SVRTRUST (S 0x%08X) or ACB_DOMTRUST (D 0x%08X).
+
+Please fix this account before attempting to upgrade again
+"""
+ % (user.acct_flags, username,
+ samr.ACB_NORMAL, samr.ACB_WSTRUST, samr.ACB_SVRTRUST, samr.ACB_DOMTRUST))
+
+ userdata[username] = user
try:
- uids[username] = s3db.sid_to_id(userdata[username].user_sid)[0]
- except:
+ uids[username] = s3db.sid_to_id(user.user_sid)[0]
+ except passdb.error:
try:
uids[username] = pwd.getpwnam(username).pw_uid
- except:
+ except KeyError:
pass
if not admin_user and username.lower() == 'root':
if username.lower() == 'administrator':
admin_user = username
+ try:
+ group_memberships = s3db.enum_group_memberships(user);
+ for group in group_memberships:
+ if str(group) in groupmembers:
+ if user.user_sid not in groupmembers[str(group)]:
+ groupmembers[str(group)].append(user.user_sid)
+ else:
+ groupmembers[str(group)] = [user.user_sid];
+ except passdb.error, e:
+ logger.warn("Ignoring group memberships of '%s' %s: %s",
+ username, user.user_sid, e)
+
logger.info("Next rid = %d", next_rid)
+ # Check for same username/groupname
+ group_names = set([g.nt_name for g in grouplist])
+ user_names = set([u['account_name'] for u in userlist])
+ common_names = group_names.intersection(user_names)
+ if common_names:
+ logger.error("Following names are both user names and group names:")
+ for name in common_names:
+ logger.error(" %s" % name)
+ raise ProvisioningError("Please remove common user/group names before upgrade.")
+
+ # Check for same user sid/group sid
+ group_sids = set([str(g.sid) for g in grouplist])
+ if len(grouplist) != len(group_sids):
+ raise ProvisioningError("Please remove duplicate group sid entries before upgrade.")
+ user_sids = set(["%s-%u" % (domainsid, u['rid']) for u in userlist])
+ if len(userlist) != len(user_sids):
+ raise ProvisioningError("Please remove duplicate user sid entries before upgrade.")
+ common_sids = group_sids.intersection(user_sids)
+ if common_sids:
+ logger.error("Following sids are both user and group sids:")
+ for sid in common_sids:
+ logger.error(" %s" % str(sid))
+ raise ProvisioningError("Please remove duplicate sid entries before upgrade.")
+
+ # Get posix attributes from ldap or the os
+ homes = {}
+ shells = {}
+ pgids = {}
+ if ldap:
+ creds = Credentials()
+ creds.guess(samba3.lp)
+ creds.set_bind_dn(ldapuser)
+ creds.set_password(ldappass)
+ urls = samba3.lp.get("passdb backend").split(":",1)[1].strip('"')
+ for url in urls.split():
+ try:
+ ldb_object = Ldb(url, credentials=creds)
+ except ldb.LdbError, e:
+ logger.warning("Could not open ldb connection to %s, the error message is: %s", url, e)
+ else:
+ break
+ logger.info("Exporting posix attributes")
+ userlist = s3db.search_users(0)
+ for entry in userlist:
+ username = entry['account_name']
+ if username in uids.keys():
+ try:
+ if ldap:
+ homes[username] = get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, username, "homeDirectory")
+ else:
+ homes[username] = pwd.getpwnam(username).pw_dir
+ except KeyError:
+ pass
+
+ try:
+ if ldap:
+ shells[username] = get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, username, "loginShell")
+ else:
+ shells[username] = pwd.getpwnam(username).pw_shell
+ except KeyError:
+ pass
+
+ try:
+ if ldap:
+ pgids[username] = get_posix_attr_from_ldap_backend(logger, ldb_object, base_dn, username, "gidNumber")
+ else:
+ pgids[username] = pwd.getpwnam(username).pw_gid
+ except KeyError:
+ pass
+
+ logger.info("Reading WINS database")
+ samba3_winsdb = None
+ try:
+ samba3_winsdb = samba3.get_wins_db()
+ except IOError, e:
+ logger.warn('Cannot open wins database, Ignoring: %s', str(e))
+
+ if not (serverrole == "ROLE_DOMAIN_BDC" or serverrole == "ROLE_DOMAIN_PDC"):
+ dns_backend = "NONE"
+
# Do full provision
result = provision(logger, session_info, None,
targetdir=targetdir, realm=realm, domain=domainname,
domainsid=str(domainsid), next_rid=next_rid,
dc_rid=machinerid,
- hostname=netbiosname, machinepass=machinepass,
- serverrole=serverrole, samdb_fill=FILL_FULL)
+ dom_for_fun_level=dsdb.DS_DOMAIN_FUNCTION_2003,
+ hostname=netbiosname.lower(), machinepass=machinepass,
+ serverrole=serverrole, samdb_fill=FILL_FULL,
+ useeadb=useeadb, dns_backend=dns_backend, use_rfc2307=True,
+ use_ntvfs=use_ntvfs, skip_sysvolacl=True)
+ result.report_logger(logger)
# Import WINS database
logger.info("Importing WINS database")
- import_wins(Ldb(result.paths.winsdb), samba3.get_wins_db())
+
+ if samba3_winsdb:
+ import_wins(Ldb(result.paths.winsdb), samba3_winsdb)
# Set Account policy
logger.info("Importing Account policy")
# Migrate IDMAP database
logger.info("Importing idmap database")
- import_idmap(result.idmap, samba3.get_idmap_db(), logger)
+ import_idmap(result.idmap, samba3, logger)
# Set the s3 context for samba4 configuration
new_lp_ctx = s3param.get_context()
logger.info("Importing groups")
for g in grouplist:
# Ignore uninitialized groups (gid = -1)
- if g.gid != 0xffffffff:
- add_idmap_entry(result.idmap, g.sid, g.gid, "GID", logger)
+ if g.gid != -1:
add_group_from_mapping_entry(result.samdb, g, logger)
+ add_ad_posix_idmap_entry(result.samdb, g.sid, g.gid, "ID_TYPE_GID", logger)
+ add_posix_attrs(samdb=result.samdb, sid=g.sid, name=g.nt_name, nisdomain=domainname.lower(), xid_type="ID_TYPE_GID", logger=logger)
# Export users to samba4 backend
logger.info("Importing users")
for username in userdata:
- if username.lower() == 'administrator' or username.lower() == 'root':
- continue
+ if username.lower() == 'administrator':
+ if userdata[username].user_sid != dom_sid(str(domainsid) + "-500"):
+ 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")))
+ raise ProvisioningError("User 'Administrator' in your existing directory does not have SID ending in -500")
+ if username.lower() == 'root':
+ if userdata[username].user_sid == dom_sid(str(domainsid) + "-500"):
+ logger.warn('User root has been replaced by Administrator')
+ else:
+ logger.warn('User root has been kept in the directory, it should be removed in favour of the Administrator user')
+
s4_passdb.add_sam_account(userdata[username])
if username in uids:
- add_idmap_entry(result.idmap, userdata[username].user_sid, uids[username], "UID", logger)
+ add_ad_posix_idmap_entry(result.samdb, userdata[username].user_sid, uids[username], "ID_TYPE_UID", logger)
+ if (username in homes) and (homes[username] is not None) and \
+ (username in shells) and (shells[username] is not None) and \
+ (username in pgids) and (pgids[username] is not None):
+ 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)
logger.info("Adding users to groups")
for g in grouplist:
- if g.nt_name in groupmembers:
- add_users_to_group(result.samdb, g, groupmembers[g.nt_name], logger)
+ if str(g.sid) in groupmembers:
+ add_users_to_group(result.samdb, g, groupmembers[str(g.sid)], logger)
# Set password for administrator
if admin_user:
s4_passdb.update_sam_account(admin_userdata)
logger.info("Administrator password has been set to password of user '%s'", admin_user)
+ if result.server_role == "active directory domain controller":
+ setsysvolacl(result.samdb, result.paths.netlogon, result.paths.sysvol,
+ result.paths.root_uid, result.paths.root_gid,
+ security.dom_sid(result.domainsid), result.names.dnsdomain,
+ result.names.domaindn, result.lp, use_ntvfs)
+
# FIXME: import_registry(registry.Registry(), samba3.get_registry())
# FIXME: shares