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Merge remote-tracking branch 'origin/topic/awelzel/4605-conn-id-context'

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* origin/topic/awelzel/4605-conn-id-context:
  NEWS: Adapt for conn_id$ctx introduction
  conn_key/fivetuple: Drop support for non conn_id records
  Conn: Move conn_id init and flip to IPBasedConnKey
  IPBasedConnKey: Add GetTransportProto() helper
  input/Manager: Ignore empty record types
  external: Bump commit hashes for external suites
  ip/vlan_fivetuple: Populate nested conn_id_context, not conn_id
  ConnKey: Extend DoPopulateConnIdVal() with ctx
  btest: Update tests and baselines after adding ctx to conn_id
  init-bare: Add conn_id_ctx to conn_id
This commit is contained in:
Arne Welzel 2025-07-03 18:41:29 +02:00
commit 388cbcee48
284 changed files with 96941 additions and 96655 deletions
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10
scripts/base/init-bare.zeek
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@ -203,6 +203,15 @@ type transport_proto: enum {
icmp ##< ICMP.
};
## A record type containing the context of a conn_id instance.
##
## This context is used to discriminate between :zeek:see:`conn_id` instances
## with identical five tuples, but not otherwise related due to, e.g. being observed
## on different VLANs, or within independent tunnel connections like VXLAN or Geneve.
##
## This record type is meant to be extended by custom ConnKey implementations.
type conn_id_ctx: record { };
## A connection's identifying 4-tuple of endpoints and ports.
##
## .. note:: It's actually a 5-tuple: the transport-layer protocol is stored as
@ -218,6 +227,7 @@ type conn_id: record {
resp_h: addr &log; ##< The responder's IP address.
resp_p: port &log; ##< The responder's port number.
proto: count &default=65535; ##< The transport protocol ID. Defaults to 65535 as an "unknown" value.
ctx: conn_id_ctx &log &default=conn_id_ctx(); ##< The context in which this connection exists.
};
## The identifying 4-tuple of a uni-directional flow.