zeek/scripts/policy/protocols/conn/pppoe-session-id-logging.zeek
Johanna Amann e5a434c392 PPPoE: add session id logging
This adds a new PacketAnalyzer::PPPoE::session_id bif, which extracts
the PPPoE session ID from the current packet.

Furthermore, a new policy script is added which adds the pppoe session
id to the connection log.

Related to GH-4602
2025-07-23 13:43:45 +01:00

27 lines
636 B
Text

##! This script adds PPPoE session ID information to the connection log.
@load base/protocols/conn
module Conn;
redef record Info += {
## The PPPoE session id, if applicable for this connection.
pppoe_session_id: count &log &optional;
};
# Add the PPPoE session ID to the Conn::Info structure. We have to do this right
# at the beginning, while we are handling a packet.
event new_connection(c: connection)
{
local session_id = PacketAnalyzer::PPPoE::session_id();
# no session ID
if ( session_id == 0xFFFFFFFF )
return;
# FIXME: remove when GH-4688 is merged
set_conn(c, F);
c$conn$pppoe_session_id = session_id;
}