v5/debian/DEBIAN/postinst

#!/bin/sh
# postinst script for MailScanner
#
# see: dh_installdeb(1)

set -e

# summary of how this script can be called:
#        * <postinst> `configure' <most-recently-configured-version>
#        * <old-postinst> `abort-upgrade' <new version>
#        * <conflictor's-postinst> `abort-remove' `in-favour' <package>
#          <new-version>
#        * <postinst> `abort-remove'
#        * <deconfigured's-postinst> `abort-deconfigure' `in-favour'
#          <failed-install-package> <version> `removing'
#          <conflicting-package> <version>
# for details, see http://www.debian.org/doc/debian-policy/ or
# the debian-policy package

# save directory
SAVEDIR="$HOME/ms_upgrade/saved.$$";

# group for users to run under
if ! getent group mtagroup >/dev/null 2>&1; then
    groupadd -f mtagroup >/dev/null 2>&1
fi

if [ ! -d '/var/spool/MailScanner/archive' ]; then
    mkdir -p /var/spool/MailScanner/archive
    chmod 775 /var/spool/MailScanner/archive
    chown root:mtagroup /var/spool/MailScanner/archive
fi

if [ ! -d '/var/spool/MailScanner/incoming' ]; then
    mkdir -p /var/spool/MailScanner/incoming
    chmod 775 /var/spool/MailScanner/incoming
    chown root:mtagroup /var/spool/MailScanner/incoming
fi

if [ ! -d '/var/spool/MailScanner/quarantine' ]; then
    mkdir -p /var/spool/MailScanner/quarantine
    chmod 775 /var/spool/MailScanner/quarantine
    chown root:mtagroup /var/spool/MailScanner/quarantine
fi

if [ ! -d '/var/spool/MailScanner/milterin' ]; then
    mkdir -p /var/spool/MailScanner/milterin
    chmod 775 /var/spool/MailScanner/milterin
    chown root:mtagroup /var/spool/MailScanner/milterin
fi

if [ ! -d '/var/spool/MailScanner/milterout' ]; then
    mkdir -p /var/spool/MailScanner/milterout
    chmod 775 /var/spool/MailScanner/milterout
    chown root:mtagroup /var/spool/MailScanner/milterout
fi

# lock down some directory permissions
runasuser="mail"
if [ -x /usr/sbin/ms-peek ]; then
    runasuser=`/usr/sbin/ms-peek runasuser /etc/MailScanner/MailScanner.conf`
fi
if [ -z $runasuser ]; then
    runasuser="mail"
fi
install -d -o$runasuser -gmtagroup -m0775 /var/spool/MailScanner/archive
install -d -o$runasuser -gmtagroup -m0775 /var/spool/MailScanner/incoming
install -d -o$runasuser -gmtagroup -m0775 /var/spool/MailScanner/quarantine
install -d -o$runasuser -gmtagroup -m0775 /var/spool/MailScanner/milterin
install -d -o$runasuser -gmtagroup -m0775 /var/spool/MailScanner/milterout

if [ -d '/etc/MailScanner/custom' -o -L '/etc/MailScanner/custom' ]; then
    rm -f /etc/MailScanner/custom
fi

# softlink for custom functions
if [ -d '/usr/share/MailScanner/perl/custom' -a ! -L '/etc/MailScanner/custom' ]; then
    ln -s /usr/share/MailScanner/perl/custom /etc/MailScanner/custom
fi

# softlink for reports
if [ -d '/usr/share/MailScanner/reports' -a ! -L '/etc/MailScanner/reports' ]; then
    ln -s /usr/share/MailScanner/reports /etc/MailScanner/reports
fi

# remove old link if present
if [ -L '/etc/mail/spamassassin/mailscanner.cf' ]; then
    rm -f /etc/mail/spamassassin/mailscanner.cf
fi

if [ -L '/etc/mail/spamassassin/MailScanner.cf' ]; then
    rm -f /etc/mail/spamassassin/MailScanner.cf
fi

if [ -f '/etc/MailScanner/spam.assassin.prefs.conf' ]; then
    mv -f /etc/MailScanner/spam.assassin.prefs.conf /etc/MailScanner/spamassassin.conf
fi

# remove old symlink if present
if [ -L '/etc/init.d/mailscanner' ]; then
    rm -f /etc/init.d/mailscanner
fi

# remove old file if present
if [ -f '/etc/init.d/mailscanner' ]; then
    rm -f /etc/init.d/mailscanner
fi

# remove old symlink if present
if [ -L '/etc/init.d/MailScanner' ]; then
    rm -f /etc/init.d/MailScanner
fi

# remove old file if present
if [ -f '/etc/init.d/MailScanner' ]; then
    rm -f /etc/init.d/MailScanner
fi

# remove old symlink if present
if [ -L '/etc/init.d/msmilter' ]; then
    rm -f /etc/init.d/msmilter
fi

# remove old file if present
if [ -f '/etc/init.d/msmilter' ]; then
    rm -f /etc/init.d/msmilter
fi

# remove old systemd file if present
if [ -f '/lib/systemd/system/mailscanner.service' ]; then
    rm -f /lib/systemd/system/mailscanner.service
fi

# remove old systemd file if present
if [ -f '/lib/systemd/system/msmilter.service' ]; then
    rm -f /lib/systemd/system/msmilter.service
fi

# Check for systemd
if [ -f '/lib/systemd/systemd' -o -f '/usr/lib/systemd/systemd' ]; then
    cp /usr/lib/MailScanner/systemd/ms-systemd /lib/systemd/system/mailscanner.service
    chmod -x /lib/systemd/system/mailscanner.service
    cp /usr/lib/MailScanner/systemd/ms-milter /lib/systemd/system/msmilter.service
    chmod -x /lib/systemd/system/msmilter.service
# add symlink to init script
elif [ ! -L '/etc/init.d/mailscanner' ]; then
    ln -s /usr/lib/MailScanner/init/ms-init /etc/init.d/mailscanner
    ln -s /usr/lib/MailScanner/init/msmilter-init /etc/init.d/msmilter
fi

# create if missing
[ -d '/etc/MailScanner/conf.d' ] || mkdir -p /etc/MailScanner/conf.d

# upgrade the old config
if [ -f /etc/MailScanner/MailScanner.conf.original -a -f /etc/MailScanner/MailScanner.conf ]; then
    cp -f /etc/MailScanner/MailScanner.conf /etc/MailScanner/MailScanner.conf.dist
    ms-upgrade-conf /etc/MailScanner/MailScanner.conf.original /etc/MailScanner/MailScanner.conf.dist > /etc/MailScanner/MailScanner.conf
    mkdir -p ${SAVEDIR}/etc/MailScanner
    mv -f /etc/MailScanner/MailScanner.conf.* ${SAVEDIR}/etc/MailScanner > /dev/null 2>&1
    cp -f /etc/MailScanner/MailScanner.conf ${SAVEDIR}/etc/MailScanner/MailScanner.new > /dev/null 2>&1
fi

# update web bug link
OLD="^Web Bug Replacement.*";
NEW="Web Bug Replacement = https\:\/\/s3\.amazonaws\.com\/msv5\/images\/spacer\.gif";
if [ -f '/etc/MailScanner/MailScanner.conf' ]; then
    sed -i "s/${OLD}/${NEW}/g" /etc/MailScanner/MailScanner.conf
fi

# fix reports directory
OLDTHING='\/etc\/MailScanner\/reports';
NEWTHING='\/usr\/share\/MailScanner\/reports';
if [ -f '/etc/MailScanner/MailScanner.conf' ]; then
    sed -i "s/${OLDTHING}/${NEWTHING}/g" /etc/MailScanner/MailScanner.conf
fi

# fix custom functions directory
OLDTHING='^Custom Functions Dir.*';
NEWTHING='Custom Functions Dir = \/usr\/share\/MailScanner\/perl\/custom';
if [ -f '/etc/MailScanner/MailScanner.conf' ]; then
    sed -i "s/${OLDTHING}/${NEWTHING}/g" /etc/MailScanner/MailScanner.conf
fi

if [ -f '/lib/systemd/systemd' -o -f '/usr/lib/systemd/systemd' ]; then
    systemctl enable mailscanner.service
else
    update-rc.d mailscanner defaults 80 80
fi

exit 0