"bird -p" creates log file owned by root

[Maria Matejka]

Hello!

> I found the cause.  /lib/systemd/system/bird.service includes the line 
> "ExecStartPre=/usr/sbin/bird -p", and if the log file doesn't exist, it 
> creates it owned by root:root
> 
> root at rs1:/etc/bird# rm /var/log/bird/bird.log
> root at rs1:/etc/bird# /usr/sbin/bird -p
> root at rs1:/etc/bird# ls -l /var/log/bird/bird.log
> -rw-r--r-- 1 root root 0 Apr 24 11:07 /var/log/bird/bird.log
> 
> 
> The documentation for the -p flag states:
> 
>         -p
>             Just parse the config file and exit. Return value is zero if 
> the config file is valid, nonzero if there are some errors.
> 
> So it seems like a bug that it creates the log file.

Yes, I confirm that this is a bug. We'll fix that. Thank you for your 
investigation and report.

Maria