mirror of
https://github.com/zeek/zeek.git
synced 2025-10-02 22:58:20 +00:00
42be2444a7
While reviewing/understanding the analyzer setup, it didn't seem like GTPv1 implements packet_analysis::Analyzer::DetectProtocol(), so should not register it for protocol_detection either. Alternatively, maybe DetectProtocol() should've been implemented in which case maybe this should be an issue?
27 lines
818 B
Text
27 lines
818 B
Text
module PacketAnalyzer::GTPV1;
|
|
|
|
# This needs to be loaded here so the function is available. Function BIFs normally aren't
|
|
# loaded until after the packet analysis init scripts are run, and then zeek complains it
|
|
# can't find the function.
|
|
@load base/bif/plugins/Zeek_GTPv1.functions.bif
|
|
|
|
# Needed for port registration for BPF
|
|
@load base/frameworks/analyzer/main
|
|
|
|
export {
|
|
## Default analyzer
|
|
const default_analyzer: PacketAnalyzer::Tag = PacketAnalyzer::ANALYZER_IP &redef;
|
|
}
|
|
|
|
const gtpv1_ports = { 2152/udp, 2123/udp };
|
|
redef likely_server_ports += { gtpv1_ports };
|
|
|
|
event zeek_init() &priority=20
|
|
{
|
|
PacketAnalyzer::register_for_ports(PacketAnalyzer::ANALYZER_UDP, PacketAnalyzer::ANALYZER_GTPV1, gtpv1_ports);
|
|
}
|
|
|
|
event connection_state_remove(c: connection)
|
|
{
|
|
remove_gtpv1_connection(c$id);
|
|
}
|