update_virus_scanners fix for Debian/Ubuntu

Julian Field MailScanner at ecs.soton.ac.uk
Thu Aug 14 14:24:54 IST 2008

Achim J. Latz wrote:
> Good day (and first post for me :)
> In /usr/sbin/update_virus_scanners the detection of the autoupdate 
> scripts will fail because of the following replacement:
>   UPDATER=`echo $WRAPPER | sed -e 's/-wrapper$/-autoupdate/'`
> At least in Debian and Ubuntu, the wrappers are stored in 
> /etc/MailScanner/wrapper/, but the autoupdate scripts are in 
> /etc/MailScanner/autoupdate/
> Example BitDefender:
> /usr/sbin/update_virus_scanners finds 
> /etc/MailScanner/wrapper/bitdefender-wrapper, then the above 
> expression substitutes for 
> /etc/MailScanner/wrapper/bitdefender-autoupdate, and then tests 
> whether the autoupdate script exists
>      if [ -x ${UPDATER} ]
>       then
>         # echo Updating $NAME
>         logger -p mail.info -t update.virus.scanners Running 
> autoupdate for $NAME
>         ${UPDATER} "${PACKAGEDIR}" >/dev/null 2>&1
>       fi
> HOWEVER, it will not find 
> /etc/MailScanner/wrapper/bitdefender-autoupdate because the file 
> actually lives in /etc/MailScanner/autoupdate/bitdefender-autoupdate.
> The replacement should IMHO read as follows, to replace all 
> occurrences of wrapper with autoupdate (including those in the path):
>   UPDATER=`echo $WRAPPER | sed -e 's/wrapper/autoupdate/g'`
> Is that a problem limited to the Debian version, or does it affect 
> other installations as well? Should I file a bug downstream?
Don't I just live for times when packagers arbitrarily change my layout 
of stuff, and
a) don't tell me
b) break things as a result, cause they couldn't be arsed to test it.


Julian Field MEng CITP CEng
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