zeek/scripts/base/protocols/dns/check-event-handlers.zeek
Patrick Kelley 8fd444092b initial
2025-05-07 15:35:15 -04:00

20 lines
675 B
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##! This script checks if DNS event handlers that will not be raised
##! are used and raises a warning in those cases.
module DNS;
event zeek_init() &priority=20
{
if ( ! dns_skip_all_addl )
return;
local addl_functions = ["dns_TSIG_addl", "dns_EDNS_addl", "dns_EDNS_ecs", "dns_EDNS_tcp_keepalive", "dns_EDNS_cookie"];
for ( event_name in addl_functions )
if ( is_event_handled(event_name) )
Reporter::warning(fmt("Used event '%s' will not be raised because 'dns_skip_all_addl' is true", event_name));
if ( is_event_handled("dns_TKEY") )
Reporter::warning("Used event 'dns_TKEY' will not contain any data in 'ans' because 'dns_skip_all_addl' is true");
}