[Bro-Dev] [JIRA] (BIT-1159) count/port comparisons silently fail when part of a record

Justin Azoff (JIRA) jira at bro-tracker.atlassian.net
Fri Mar 14 16:08:18 PDT 2014


Justin Azoff created BIT-1159:
---------------------------------

             Summary: count/port comparisons silently fail when part of a record
                 Key: BIT-1159
                 URL: https://bro-tracker.atlassian.net/browse/BIT-1159
             Project: Bro Issue Tracker
          Issue Type: Problem
          Components: Bro
    Affects Versions: 2.2, git/master
            Reporter: Justin Azoff
            Priority: Low


If you try to compare a count to a port directly, you get the following:
{code}
operands must be of the same type (1500/tcp < 2000)
{code}

but if you have a record, and mixup the types like so, it silently fails:

{code}
type PortRange: record {
    min: port &default=1/tcp;
    max: port &default=65535/tcp;
};

global pr = PortRange($min=1000,$max=2000);
#CORRECT: global pr = PortRange($min=1000/tcp,$max=2000/tcp);

event bro_init()
{
    print (pr$min <= 1500/tcp  && 1500/tcp < pr$max) ? "OK" : "NOTOK";
}
{code}

{code}
$ bro a.bro
NOTOK
{code}



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