[Bro] Interprocess Communication from BroScript

Jim Mellander jmellander at lbl.gov
Wed Oct 2 10:48:24 PDT 2013

Hi James:

Sounds like you could use the Broccoli library to perform the task you are
envisioning: http://www.bro.org/download/README.broccoli.html

Jim Mellander
NERSC Cybersecurity

On Wed, Oct 2, 2013 at 10:08 AM, James Hook <jamesfhook at gmail.com> wrote:

> Hi all,
> I have some C code that analyses data (inc. URLs, domains) that I want to
> invoke from Bro to extract additional data from network data. I envisage
> this data being an extra column in the resultant bro log files.
> I'm fairly sure I can do this with awk retrospectively but wanted to ask
> the list whether it was possible using some of the IPC commands in the
> language. Reading the specifications for these functions there appears to
> be no way to invoke the commands and receive non-trivial output.
> The commands i'm looking at are
> system,system_env - returns the return code from the command (limited to
> being an integer) - i thought about returning the result into an
> environment variable, but that would require invoked command to be
> recompiled
> piped_exec - only returns true/false on success failure
> Has anybody else done anything similar?
> Are there anyways to load modules, call c functions (or functions in
> scripting languages) from the bro language?
> Thanks in advance
> James
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