cron(8) related summer of code project

Mike Meyer mwm-keyword-freebsdhackers2.e313df at
Sun Mar 23 23:54:12 UTC 2008

On Sun, 23 Mar 2008 13:07:08 +0200
"Pavel Prokharau" <pprokharau at> wrote:

> I was thinking about updating our cron(8) implementation. This project is
> mentioned in ideas list
> For now my proposal is following:
> * update the code base to ISC (OpenBSD already has it for a while)
> * incorporate changes other BSDs has. First of all it's trivial security
> fixes OpenBSD has (like strcpy -> strlcpy)
> * atrun(8) improvements as mentioned on ideas page
> * add privilege separation to cron(8). Its code base is really old and
> likely to have security bugs.
> I'd like this work to be done a summer of code project. But I'm not sure
> if amount of work proposed sufficient for summer of code.
> If you have some ideas about further improvements to cron(8) I'd be glad
> hear them and work on it.

Not cron, but cron-related.

I'd like to see the periodic infrastructure made available to
users. This isn't hard, but you have to be careful about security.  A
last script in each of the daily/weekly/monthly periodic directories
that for each user (does each have to ask ala cron? Does it just look
for ~/periodic? ???), then runs periodic as that user with the proper

Mike Meyer <mwm at>
Independent Network/Unix/Perforce consultant, email for more information.

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