config() { NEW="$1" OLD="$(dirname $NEW)/$(basename $NEW .new)" # If there's no config file by that name, mv it over: if [ ! -r $OLD ]; then mv $NEW $OLD elif [ "$(cat $OLD | md5sum)" = "$(cat $NEW | md5sum)" ]; then # toss the redundant copy rm $NEW fi # Otherwise, we leave the .new copy for the admin to consider... } preserve_perms() { NEW="$1" OLD="$(dirname $NEW)/$(basename $NEW .new)" if [ -e $OLD ]; then cp -a $OLD ${NEW}.incoming cat $NEW > ${NEW}.incoming mv ${NEW}.incoming $NEW fi config $NEW } # Make sure that the postfix user (UID 91, GID 91), and the # postdrop group (GID 92) exist on this system: if ! grep -q "^postfix:" etc/passwd ; then echo "postfix:x:91:91:User for Postfix MTA:/dev/null:/bin/false" >> etc/passwd fi if ! grep -q "^postfix:" etc/group ; then echo "postfix:x:91:" >> etc/group fi if ! grep -q "^postdrop:" etc/group ; then echo "postdrop:x:92:" >> etc/group fi find etc/postfix -type f -name '*.new' | while read new ; do config $new done preserve_perms etc/rc.d/rc.postfix.new config etc/aliases.new # Don't keep aliases.new. If it exists, the user already defined aliases. rm -f etc/aliases.new # No reason to keep these: upgrade-configuration will take care of merging # changes needed to the existing files rm -f etc/postfix/main.cf.new etc/postfix/master.cf.new # This is for backward compatibility with the old Sendmail package; some # software might still expect to find the /usr/lib/sendmail link. if [ ! -d usr/lib ]; then mkdir -p usr/lib ( cd usr/lib ; rm -f sendmail ) ( cd usr/lib ; ln -s /usr/sbin/sendmail sendmail) fi ## COMMENTED OUT ## (The Slackware package should ship with correct permissions) ## ## This will set the permissions on all postfix files correctly #if [ -x usr/sbin/postfix ]; then # chroot . /usr/sbin/postfix set-permissions #fi # The upgrade-configuration command will add any necessary new settings to # existing config files (/etc/postfix/{main,master}.cf). It won't hurt # anything on a new install. if [ -x usr/sbin/postfix ]; then chroot . /usr/sbin/postfix upgrade-configuration fi # Process /etc/aliases into a database: if [ -x usr/bin/newaliases ]; then chroot . /usr/bin/newaliases fi