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s4:dns.py: reproducer for (bug #9184)

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metze

Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Sat Sep 22 06:08:05 CEST 2012 on sn-devel-104
This commit is contained in:
Stefan Metzmacher
2012-09-21 23:06:13 +02:00
parent eacdd9f730
commit cb157e19cb
1 changed files with 29 additions and 0 deletions
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29
source4/scripting/python/samba/tests/dns.py
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@ -547,6 +547,35 @@ class TestComplexQueries(DNSTest):
self.assertEquals(response.answers[1].rdata,
os.getenv('SERVER_IP'))
class TestInvalidQueries(DNSTest):
def test_one_a_query(self):
"send 0 bytes follows by create a query packet containing one query record"
s = None
try:
s = socket.socket(socket.AF_INET, socket.SOCK_DGRAM, 0)
s.connect((os.getenv('SERVER_IP'), 53))
s.send("", 0)
finally:
if s is not None:
s.close()
p = self.make_name_packet(dns.DNS_OPCODE_QUERY)
questions = []
name = "%s.%s" % (os.getenv('SERVER'), self.get_dns_domain())
q = self.make_name_question(name, dns.DNS_QTYPE_A, dns.DNS_QCLASS_IN)
print "asking for ", q.name
questions.append(q)
self.finish_name_packet(p, questions)
response = self.dns_transaction_udp(p)
self.assert_dns_rcode_equals(response, dns.DNS_RCODE_OK)
self.assert_dns_opcode_equals(response, dns.DNS_OPCODE_QUERY)
self.assertEquals(response.ancount, 1)
self.assertEquals(response.answers[0].rdata,
os.getenv('SERVER_IP'))
if __name__ == "__main__":
import unittest