mirror of
https://github.com/samba-team/samba.git
synced 2024-12-24 21:34:56 +03:00
6ac4833678
Signed-off-by: Rob van der Linde <rob@catalyst.net.nz> Reviewed-by: Douglas Bagnall <douglas.bagnall@catalyst.net.nz> Reviewed-by: Andrew Bartlett <abartlet@samba.org> [abartlet@samba.org Some python2 style super() calls remain due to being an actual, even if reasonable, behaviour change]
209 lines
7.1 KiB
Python
209 lines
7.1 KiB
Python
# Unix SMB/CIFS implementation.
|
|
# Copyright (C) Kai Blin <kai@samba.org> 2011
|
|
# Copyright (C) Ralph Boehme <slow@samba.org> 2016
|
|
#
|
|
# 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/>.
|
|
#
|
|
|
|
import sys
|
|
import optparse
|
|
import samba.getopt as options
|
|
from samba.dcerpc import dns
|
|
from samba.tests.subunitrun import SubunitOptions, TestProgram
|
|
from samba.tests.dns_base import DNSTKeyTest
|
|
|
|
parser = optparse.OptionParser("dns_tkey.py <server name> <server ip> [options]")
|
|
sambaopts = options.SambaOptions(parser)
|
|
parser.add_option_group(sambaopts)
|
|
|
|
# This timeout only has relevance when testing against Windows
|
|
# Format errors tend to return patchy responses, so a timeout is needed.
|
|
parser.add_option("--timeout", type="int", dest="timeout",
|
|
help="Specify timeout for DNS requests")
|
|
|
|
# use command line creds if available
|
|
credopts = options.CredentialsOptions(parser)
|
|
parser.add_option_group(credopts)
|
|
subunitopts = SubunitOptions(parser)
|
|
parser.add_option_group(subunitopts)
|
|
|
|
opts, args = parser.parse_args()
|
|
timeout = opts.timeout
|
|
|
|
if len(args) < 2:
|
|
parser.print_usage()
|
|
sys.exit(1)
|
|
|
|
server_name = args[0]
|
|
server_ip = args[1]
|
|
|
|
|
|
class TestDNSUpdates(DNSTKeyTest):
|
|
def setUp(self):
|
|
self.server = server_name
|
|
self.server_ip = server_ip
|
|
super().setUp()
|
|
|
|
def test_tkey(self):
|
|
"test DNS TKEY handshake"
|
|
|
|
self.tkey_trans()
|
|
|
|
def test_update_wo_tsig(self):
|
|
"test DNS update without TSIG record"
|
|
|
|
p = self.make_update_request()
|
|
(response, response_p) = self.dns_transaction_udp(p, self.server_ip)
|
|
self.assert_dns_rcode_equals(response, dns.DNS_RCODE_REFUSED)
|
|
|
|
rcode = self.search_record(self.newrecname)
|
|
self.assert_rcode_equals(rcode, dns.DNS_RCODE_NXDOMAIN)
|
|
|
|
def test_update_tsig_bad_keyname(self):
|
|
"test DNS update with a TSIG record with a bad keyname"
|
|
|
|
self.tkey_trans()
|
|
|
|
p = self.make_update_request()
|
|
self.sign_packet(p, "badkey")
|
|
(response, response_p) = self.dns_transaction_udp(p, self.server_ip)
|
|
self.assert_dns_rcode_equals(response, dns.DNS_RCODE_NOTAUTH)
|
|
tsig_record = response.additional[0].rdata
|
|
self.assertEqual(tsig_record.error, dns.DNS_RCODE_BADKEY)
|
|
self.assertEqual(tsig_record.mac_size, 0)
|
|
|
|
rcode = self.search_record(self.newrecname)
|
|
self.assert_rcode_equals(rcode, dns.DNS_RCODE_NXDOMAIN)
|
|
|
|
def test_update_tsig_bad_mac(self):
|
|
"test DNS update with a TSIG record with a bad MAC"
|
|
|
|
self.tkey_trans()
|
|
|
|
p = self.make_update_request()
|
|
self.bad_sign_packet(p, self.key_name)
|
|
(response, response_p) = self.dns_transaction_udp(p, self.server_ip)
|
|
self.assert_dns_rcode_equals(response, dns.DNS_RCODE_NOTAUTH)
|
|
tsig_record = response.additional[0].rdata
|
|
self.assertEqual(tsig_record.error, dns.DNS_RCODE_BADSIG)
|
|
self.assertEqual(tsig_record.mac_size, 0)
|
|
|
|
rcode = self.search_record(self.newrecname)
|
|
self.assert_rcode_equals(rcode, dns.DNS_RCODE_NXDOMAIN)
|
|
|
|
def test_update_tsig(self):
|
|
"test DNS update with correct TSIG record"
|
|
|
|
self.tkey_trans()
|
|
|
|
p = self.make_update_request()
|
|
mac = self.sign_packet(p, self.key_name)
|
|
(response, response_p) = self.dns_transaction_udp(p, self.server_ip)
|
|
self.assert_dns_rcode_equals(response, dns.DNS_RCODE_OK)
|
|
self.verify_packet(response, response_p, mac)
|
|
|
|
# Check the record is around
|
|
rcode = self.search_record(self.newrecname)
|
|
self.assert_rcode_equals(rcode, dns.DNS_RCODE_OK)
|
|
|
|
# Now delete the record
|
|
p = self.make_update_request(delete=True)
|
|
mac = self.sign_packet(p, self.key_name)
|
|
(response, response_p) = self.dns_transaction_udp(p, self.server_ip)
|
|
self.assert_dns_rcode_equals(response, dns.DNS_RCODE_OK)
|
|
self.verify_packet(response, response_p, mac)
|
|
|
|
# check it's gone
|
|
rcode = self.search_record(self.newrecname)
|
|
self.assert_rcode_equals(rcode, dns.DNS_RCODE_NXDOMAIN)
|
|
|
|
def test_update_tsig_windows(self):
|
|
"test DNS update with correct TSIG record (follow Windows pattern)"
|
|
|
|
newrecname = "win" + self.newrecname
|
|
rr_class = dns.DNS_QCLASS_IN
|
|
ttl = 1200
|
|
|
|
p = self.make_name_packet(dns.DNS_OPCODE_UPDATE)
|
|
q = self.make_name_question(self.get_dns_domain(),
|
|
dns.DNS_QTYPE_SOA,
|
|
dns.DNS_QCLASS_IN)
|
|
questions = []
|
|
questions.append(q)
|
|
self.finish_name_packet(p, questions)
|
|
|
|
updates = []
|
|
r = dns.res_rec()
|
|
r.name = newrecname
|
|
r.rr_type = dns.DNS_QTYPE_A
|
|
r.rr_class = dns.DNS_QCLASS_ANY
|
|
r.ttl = 0
|
|
r.length = 0
|
|
updates.append(r)
|
|
r = dns.res_rec()
|
|
r.name = newrecname
|
|
r.rr_type = dns.DNS_QTYPE_AAAA
|
|
r.rr_class = dns.DNS_QCLASS_ANY
|
|
r.ttl = 0
|
|
r.length = 0
|
|
updates.append(r)
|
|
r = dns.res_rec()
|
|
r.name = newrecname
|
|
r.rr_type = dns.DNS_QTYPE_A
|
|
r.rr_class = rr_class
|
|
r.ttl = ttl
|
|
r.length = 0xffff
|
|
r.rdata = "10.1.45.64"
|
|
updates.append(r)
|
|
p.nscount = len(updates)
|
|
p.nsrecs = updates
|
|
|
|
prereqs = []
|
|
r = dns.res_rec()
|
|
r.name = newrecname
|
|
r.rr_type = dns.DNS_QTYPE_CNAME
|
|
r.rr_class = dns.DNS_QCLASS_NONE
|
|
r.ttl = 0
|
|
r.length = 0
|
|
prereqs.append(r)
|
|
p.ancount = len(prereqs)
|
|
p.answers = prereqs
|
|
|
|
(response, response_p) = self.dns_transaction_udp(p, self.server_ip)
|
|
self.assert_dns_rcode_equals(response, dns.DNS_RCODE_REFUSED)
|
|
|
|
self.tkey_trans()
|
|
mac = self.sign_packet(p, self.key_name)
|
|
(response, response_p) = self.dns_transaction_udp(p, self.server_ip)
|
|
self.assert_dns_rcode_equals(response, dns.DNS_RCODE_OK)
|
|
self.verify_packet(response, response_p, mac)
|
|
|
|
# Check the record is around
|
|
rcode = self.search_record(newrecname)
|
|
self.assert_rcode_equals(rcode, dns.DNS_RCODE_OK)
|
|
|
|
# Now delete the record
|
|
p = self.make_update_request(delete=True)
|
|
mac = self.sign_packet(p, self.key_name)
|
|
(response, response_p) = self.dns_transaction_udp(p, self.server_ip)
|
|
self.assert_dns_rcode_equals(response, dns.DNS_RCODE_OK)
|
|
self.verify_packet(response, response_p, mac)
|
|
|
|
# check it's gone
|
|
rcode = self.search_record(self.newrecname)
|
|
self.assert_rcode_equals(rcode, dns.DNS_RCODE_NXDOMAIN)
|
|
|
|
|
|
TestProgram(module=__name__, opts=subunitopts)
|