Radix cross Linux

     5         kx #!/bin/sh
     5         kx 
     5         kx # Preserve new files
     5         kx install_file() {
     5         kx   NEW="$1"
     5         kx   OLD="`dirname $NEW`/`basename $NEW .new`"
     5         kx   # If there's no file by that name, mv it over:
     5         kx   if [ ! -r $OLD ]; then
     5         kx     mv $NEW $OLD
     5         kx   elif [ "`cat $OLD | md5sum`" = "`cat $NEW | md5sum`" ]; then # toss the redundant copy
     5         kx     rm $NEW
     5         kx   fi
     5         kx   # Otherwise, we leave the .new copy for the admin to consider...
     5         kx }
     5         kx 
     5         kx preserve_perms() {
     5         kx   NEW="$1"
     5         kx   OLD="$(dirname $NEW)/$(basename $NEW .new)"
     5         kx   if [ -e $OLD ]; then
     5         kx     cp -a $OLD ${NEW}.incoming
     5         kx     cat $NEW > ${NEW}.incoming
     5         kx     touch -r $NEW ${NEW}.incoming
     5         kx     mv ${NEW}.incoming $NEW
     5         kx   fi
     5         kx   install_file $NEW
     5         kx }
     5         kx 
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx pre_install() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx post_install() {
     5         kx   if [ -r etc/pam.d/sshd.new ]; then
     5         kx     install_file etc/pam.d/sshd.new
     5         kx   fi
     5         kx   install_file etc/default/sshd.new
     5         kx   install_file etc/ssh/ssh_config.new
     5         kx   install_file etc/ssh/sshd_config.new
     5         kx   preserve_perms etc/rc.d/rc.sshd.new
     5         kx   if [ -e etc/rc.d/rc.sshd.new ]; then
     5         kx     mv etc/rc.d/rc.sshd.new etc/rc.d/rc.sshd
     5         kx   fi
     5         kx 
     5         kx   # If the sshd user/group/shadow don't exist, add them:
     5         kx   if ! grep -q "^sshd:" etc/passwd -o ! -r etc/passwd ; then
     5         kx     echo "sshd:x:33:33:sshd:/:" >> etc/passwd
     5         kx   fi
     5         kx 
     5         kx   if ! grep -q "^sshd:" etc/group -o ! -r etc/group ; then
     5         kx     echo "sshd::33:sshd" >> etc/group
     5         kx   fi
     5         kx 
     5         kx   if ! grep -q "^sshd:" etc/shadow -o ! -r etc/shadow ; then
     5         kx     echo "sshd:*:9797:0:::::" >> etc/shadow
     5         kx   fi
     5         kx 
     5         kx   # Add a btmp file to store login failure if one doesn't exist:
     5         kx   if [ ! -r var/log/btmp ]; then
     5         kx     ( cd var/log ; umask 077 ; touch btmp )
     5         kx   fi
     5         kx }
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx # arg 2:  the old package version
     5         kx pre_update() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx # arg 1:  the new package version
     5         kx # arg 2:  the old package version
     5         kx post_update() {
     5         kx   post_install
     5         kx }
     5         kx 
     5         kx # arg 1:  the old package version
     5         kx pre_remove() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx # arg 1:  the old package version
     5         kx post_remove() {
     5         kx   /bin/true
     5         kx }
     5         kx 
     5         kx 
     5         kx operation=$1
     5         kx shift
     5         kx 
     5         kx $operation $*