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# rodc related commands
#
# Copyright Andrew Tridgell 2010
#
# 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/>.
#
from samba.netcmd import Command, CommandError, Option, SuperCommand
import samba.getopt as options
from samba.samdb import SamDB
from samba.auth import system_session
import ldb
from samba.dcerpc import misc, drsuapi
from samba.drs_utils import drs_Replicate
class cmd_rodc_preload(Command):
"""Preload one account for an RODC."""
synopsis = "%prog (<SID>|<DN>|<accountname>) [options]"
takes_optiongroups = {
"sambaopts": options.SambaOptions,
"versionopts": options.VersionOptions,
"credopts": options.CredentialsOptions,
}
takes_options = [
Option("--server", help="DC to use", type=str),
]
takes_args = ["account"]
def get_dn(self, samdb, account):
'''work out what DN they meant'''
# we accept the account in SID, accountname or DN form
if account[0:2] == 'S-':
res = samdb.search(base="<SID=%s>" % account,
expression="objectclass=user",
scope=ldb.SCOPE_BASE, attrs=[])
elif account.find('=') >= 0:
res = samdb.search(base=account,
expression="objectclass=user",
scope=ldb.SCOPE_BASE, attrs=[])
else:
res = samdb.search(expression="(&(samAccountName=%s)(objectclass=user))" % ldb.binary_encode(account),
scope=ldb.SCOPE_SUBTREE, attrs=[])
if len(res) != 1:
raise Exception("Failed to find account '%s'" % account)
return str(res[0]["dn"])
def run(self, account, sambaopts=None,
credopts=None, versionopts=None, server=None):
if server is None:
raise Exception("You must supply a server")
lp = sambaopts.get_loadparm()
creds = credopts.get_credentials(lp, fallback_machine=True)
# connect to the remote and local SAMs
samdb = SamDB(url="ldap://%s" % server,
session_info=system_session(),
credentials=creds, lp=lp)
local_samdb = SamDB(url=None, session_info=system_session(),
credentials=creds, lp=lp)
# work out the source and destination GUIDs
dc_ntds_dn = samdb.get_dsServiceName()
res = samdb.search(base=dc_ntds_dn, scope=ldb.SCOPE_BASE, attrs=["invocationId"])
source_dsa_invocation_id = misc.GUID(local_samdb.schema_format_value("objectGUID", res[0]["invocationId"][0]))
dn = self.get_dn(samdb, account)
self.outf.write("Replicating DN %s\n" % dn)
destination_dsa_guid = misc.GUID(local_samdb.get_ntds_GUID())
local_samdb.transaction_start()
repl = drs_Replicate("ncacn_ip_tcp:%s[seal,print]" % server, lp, creds, local_samdb)
try:
repl.replicate(dn, source_dsa_invocation_id, destination_dsa_guid,
exop=drsuapi.DRSUAPI_EXOP_REPL_SECRET, rodc=True)
except Exception, e:
raise CommandError("Error replicating DN %s" % dn, e)
local_samdb.transaction_commit()
class cmd_rodc(SuperCommand):
"""Read-Only Domain Controller (RODC) management."""
subcommands = {}
subcommands["preload"] = cmd_rodc_preload()
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