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selftest: Add a DNS test matching Windows

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This performs the same steps as Windows does

Signed-off-by: Andrew Bartlett <abartlet@samba.org>
Reviewed-by: Garming Sam <garming@catalyst.net.nz>
This commit is contained in:
Andrew Bartlett
2016-06-10 15:40:59 +12:00
committed by Garming Sam
parent 9394e14626
commit c752e93fc5
1 changed files with 76 additions and 0 deletions
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76
python/samba/tests/dns_tkey.py
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@@ -484,4 +484,80 @@ class TestDNSUpdates(DNSTest):
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)