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#!/usr/bin/env python3
'''Test for zero byte in a QNAME label.'''
from dnstest.test import Test
t = Test()
master = t.server("knot")
zone = t.zone("test.", storage=".")
t.link(zone, master)
master.dnssec(zone).enable = True
master.dnssec(zone).nsec3 = True
master.dnssec(zone).nsec3_opt_out = True
t.start()
master.zone_wait(zone)
resp = master.dig("psy\\000cho.test.", "A", dnssec=True)
resp.check(rcode="NXDOMAIN")
resp = master.dig("psy\\000cho\\000nxd.test.", "A", dnssec=True)
resp.check(rcode="NXDOMAIN")
resp = master.dig("exis\\000ing.test.", "A", dnssec=True)
resp.check(rcode="NOERROR", rdata="1.2.3.4")
resp = master.dig("ing.exis.test.", "A", dnssec=True)
resp.check(rcode="NXDOMAIN", nordata="1.2.3.4")
t.end()
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