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Added support for files to the notice framework.

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This commit is contained in:
Seth Hall 2013-07-10 16:29:07 -04:00
parent 2e0912b543
commit 788a31edcd
1 changed files with 31 additions and 3 deletions
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34
scripts/base/frameworks/notice/main.bro
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@ -68,6 +68,19 @@ export {
## the notice policy. ## the notice policy.
iconn: icmp_conn &optional; iconn: icmp_conn &optional;
## A file record if the notice is relted to a file. The
## reference to the actual fa_file record will be deleted after applying
## the notice policy.
f: fa_file &optional;
## A file unique ID if this notice is related to a file. If the $f
## field is provided, this will be automatically filled out.
fuid: string &log &optional;
## A mime type if the notice is related to a file. If the $f field
## is provided, this will be automatically filled out.
mime_type: string &log &optional;
## The transport protocol. Filled automatically when either conn, iconn ## The transport protocol. Filled automatically when either conn, iconn
## or p is specified. ## or p is specified.
proto: transport_proto &log &optional; proto: transport_proto &log &optional;
@ -460,6 +473,19 @@ function apply_policy(n: Notice::Info)
if ( ! n?$ts ) if ( ! n?$ts )
n$ts = network_time(); n$ts = network_time();
if ( n?$f )
{
if ( ! n?$fuid )
n$fuid = n$f$id;
if ( ! n?$mime_type && n$f?$mime_type )
n$mime_type = n$f$mime_type;
if ( |n$f$conns| == 1 )
{
for ( id in n$f$conns )
n$conn = n$f$conns[id];
}
}
if ( n?$conn ) if ( n?$conn )
{ {
if ( ! n?$id ) if ( ! n?$id )
@ -513,13 +539,15 @@ function apply_policy(n: Notice::Info)
if ( ! n?$suppress_for ) if ( ! n?$suppress_for )
n$suppress_for = default_suppression_interval; n$suppress_for = default_suppression_interval;
# Delete the connection record if it's there so we aren't sending that # Delete the connection and file records if they're there so we
# to remote machines. It can cause problems due to the size of the # aren't sending that to remote machines. It can cause problems
# connection record. # due to the size of those records.
if ( n?$conn ) if ( n?$conn )
delete n$conn; delete n$conn;
if ( n?$iconn ) if ( n?$iconn )
delete n$iconn; delete n$iconn;
if ( n?$f )
delete n$f;
} }
function internal_NOTICE(n: Notice::Info) function internal_NOTICE(n: Notice::Info)