File sendmail-client.systemd of Package sendmail

#!/bin/bash
#
# /etc/mail/system/sm-client.pre
#
# Author: Werner Fink
# Please send feedback to http://www.suse.de/feedback/
#
# Description:
#
#   Helper script to set up the environment for sendmail
#   Mail Transport Client if started by systemd
#
 
pidfile=/var/spool/clientmqueue/sm-client.pid

typeset -i timeout=1000
typeset -i port=25

for cfg in /etc/sendmail.cf /etc/mail/sendmail.cf ; do
    test -s $cfg && break
done
for sed in /bin/sed /usr/bin/sed ; do
    test -x $sed && break
done
for fuser in /bin/fuser /usr/bin/fuser ; do
    test -x $fuser && break
done
for usleep in /bin/usleep /usr/bin/usleep ; do
    test -x $usleep && break
done

#
# Create /var/run/sendmail if not exit
#
if test ! -d /var/run ; then
    if test -d /run ; then
	/bin/ln -sf /run /var/run
    else
	/bin/mkdir -m 0755 /var/run
    fi
fi
test -d /var/run/sendmail || /bin/mkdir --mode 1750 /var/run/sendmail
test -x /usr/bin/chkstat  && /usr/bin/chkstat -n --set --system /var/run/sendmail

#
# Some default permissions
#
/bin/touch		$pidfile
/bin/chown mail:mail	$pidfile
/bin/chmod 0600		$pidfile

#
# Make sure that configuration is uptodate
#
test -x /usr/bin/make && /usr/bin/make -C /etc/mail > /dev/null 2>&1

#
# Check for DaemonPortOptions
#
PortOpts=$($sed -rn '/^O[[:blank:]]+DaemonPortOptions=.*Name=MTA.*$/I {
		s/[[:blank:]]+//g
		s/^O[^=]+=(.*)/\1/p
	    }' $cfg)

#
# Seek for port beside 25 aka smtp
#
for opt in ${PortOpts//,/ } ; do
    case "${opt%=*}" in
    [Pp]ort) port=${opt#*=}
    esac
done
unset opt

#
# Now wait that sendmail MTA is becoming ready
#
while ! $fuser -sn tcp $port > /dev/null 2>&1 ; do
    ((timeout-- <= 0)) && break
    $usleep 10000
done

#
# end of /etc/mail/system/sm-client.pre