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Add ConnSize_Analyzer's fields to conn.log

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This commit is contained in:
Gregor Maier 2011-08-11 12:21:42 -07:00
parent 88f7db927e
commit fe5624fb06
1 changed files with 24 additions and 2 deletions
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26
scripts/base/protocols/conn/main.bro
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@ -12,7 +12,11 @@ export {
proto: transport_proto &log;
service: string &log &optional;
duration: interval &log &optional;
## The number of payload bytes the originator sent. For TCP
## this is taken from sequence numbers and might be inaccurate
## (e.g., due to large connections)
orig_bytes: count &log &optional;
## The number of payload bytes the responder sent. See ``orig_bytes``.
resp_bytes: count &log &optional;
## ========== ===============================================
@ -68,6 +72,17 @@ export {
## for instance. I.e., we just record that data went in that direction.
## This history is not meant to encode how much data that happened to be.
history: string &log &optional;
## Number of packets the originator sent.
## Only set if :bro:id:`use_conn_size_analyzer`=T
orig_pkts: count &log &optional;
## Number IP level bytes the originator sent (as seen on the wire,
## taken from IP total_length header field).
## Only set if :bro:id:`use_conn_size_analyzer`=T
orig_ip_bytes: count &log &optional;
## Number of packets the responder sent. See ``orig_pkts``.
resp_pkts: count &log &optional;
## Number IP level bytes the responder sent. See ``orig_pkts``.
resp_ip_bytes: count &log &optional;
};
global log_conn: event(rec: Info);
@ -163,11 +178,18 @@ function set_conn(c: connection, eoc: bool)
if ( c$duration > 0secs )
{
c$conn$duration=c$duration;
# TODO: these should optionally use Gregor's new
# actual byte counting code if it's enabled.
c$conn$orig_bytes=c$orig$size;
c$conn$resp_bytes=c$resp$size;
}
if ( c$orig?$num_pkts )
{
# these are set if use_conn_size_analyzer=T
# we can have counts in here even without duration>0
c$conn$orig_pkts = c$orig$num_pkts;
c$conn$orig_ip_bytes = c$orig$num_bytes_ip;
c$conn$resp_pkts = c$resp$num_pkts;
c$conn$resp_ip_bytes = c$resp$num_bytes_ip;
}
local service = determine_service(c);
if ( service != "" )
c$conn$service=service;