zeek/testing/btest/dns_mgr/lookup_hostname_cname.zeek
Arne Welzel 7eec3859fa btest/dns_mgr: Update run-dnsmasq, use --host-record
Using dnsmasq --address covers an entire domain, so dns.example.com
AAAA queries would also return IPv6 addresses for example.com

Instead, this was always meant to use host entries.
2025-03-05 12:39:15 +01:00

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1,018 B
Text

# @TEST-GROUP: dns_mgr
#
# @TEST-REQUIRES: dnsmasq --version
# @TEST-PORT: DNSMASQ_PORT
# @TEST-EXEC: btest-bg-run dnsmasq run-dnsmasq 127.0.0.1 ${DNSMASQ_PORT%/tcp}
# @TEST-EXEC: unset ZEEK_DNS_FAKE; ZEEK_DNS_RESOLVER=127.0.0.1:${DNSMASQ_PORT%/tcp} zeek -b %INPUT >out
# @TEST-EXEC: btest-bg-wait -k 0
# @TEST-EXEC: btest-diff out
redef exit_only_after_terminate = T;
event zeek_init()
{
# www.example.com is a CNAME for example.com, we get all
# addresses of example.com
when ( local addrs = lookup_hostname("www.example.com") )
{
print "lookup_hostname addrs", |addrs|;
for ( a in addrs )
print a;
# Example.com is a CNAME for www.example.com and a
# TXT lookup yields example.com. Weird.
when ( local txt = lookup_hostname_txt("www.example.com") )
{
print "lookup_hostname_txt", |txt|, txt;
terminate();
}
timeout 5sec
{
print "ERROR lookup_hostname_txt timeout";
terminate();
}
}
timeout 5sec
{
print "ERROR lookup_hostname timeout";
terminate();
}
}