Postlogin script

[Gedalya]

A bit clunky but perhaps you could find another command.

https://packages.debian.org/stretch/netmask

$ IP=172.11.0.28
$ if [ "$(netmask -n $IP/24)" == "     172.11.0.0/24" ]; then echo OK; fi
OK
$ IP=172.12.0.11
$ if [ "$(netmask -n $IP/24)" == "     172.11.0.0/24" ]; then echo OK; fi
$

Range:

https://packages.debian.org/stretch/prips

$ IP=172.11.0.28
$ if prips 172.11.0.11 172.11.0.55 | grep $IP; then echo OK; fi
172.11.0.28
OK
$ IP=172.11.0.66
$ if prips 172.11.0.11 172.11.0.55 | grep $IP; then echo OK; fi


On 11/09/2017 11:12 AM, j.emerlik wrote:
> Hi,
> I would like to prepare postlogin a script that allow imap connection to
> roundcube for all but restrict imap access for selected users.
>
> My question is that:
>
> Is possible in condition IF use IP addresses as range or with mask (because
> I've more than one web servers) ?
>
> My script:
>
> #!/bin/sh
> if [ "$IP" = "172.11.0.28" ] ; then
>   printf "* [ALERT] Access allowed from that IP\r\n"
>   exec "$@"
> fi
>
> CHECK_USER=`PGPASSWORD="somepass" /usr/local/pg950/bin/psql -q -t -U
> someuser -d maildb -c "select imap_allowed from __users where name =
> '$USER' LIMIT 1"`
>
> if [ $CHECK_USER == "f" ] ; then
> exit 0
> fi
>
> if [ $CHECK_USER == "t" ] ; then
> exec "$@"
> fi
>
> Regards,
> Jack