debian/openssh-server.postrm

   1 #!/bin/sh -e
   2
   3 #DEBHELPER#
   4
   5 abort_mv_conffile () {
   6         CONFFILE="$1"
   7
   8         if [ ! -e "$CONFFILE" ]; then
   9                 if [ -e "$CONFFILE.dpkg-old" ]; then
  10                         mv -f "$CONFFILE.dpkg-old" "$CONFFILE"
  11                 elif [ -e "$CONFFILE.moving" ]; then
  12                         mv -f "$CONFFILE.moving" "$CONFFILE"
  13                 fi
  14         fi
  15 }
  16
  17 finish_mv_conffile () {
  18         CONFFILE="$1"
  19
  20         if [ -e "$CONFFILE.dpkg-old" ]; then
  21                 rm -f "$CONFFILE.dpkg-old"
  22         fi
  23 }
  24
  25 abort_transfer_conffile () {
  26         CONFFILE="$1"
  27         if [ -e "$CONFFILE.moved-by-preinst" ]; then
  28                 echo >&2 "Aborting ownership transfer of conffile $CONFFILE ..."
  29                 mv -f "$CONFFILE.moved-by-preinst" "$CONFFILE"
  30                 return 0
  31         fi
  32 }
  33
  34 case $1 in
  35         abort-install|abort-upgrade)
  36                 if dpkg --compare-versions "$2" lt 1:4.7p1-4; then
  37                         abort_mv_conffile /etc/pam.d/ssh
  38                 fi
  39                 abort_transfer_conffile /etc/default/ssh
  40                 abort_transfer_conffile /etc/init.d/ssh
  41                 abort_transfer_conffile /etc/pam.d/ssh
  42                 ;;
  43         purge)
  44                 # Remove all non-conffiles that ssh might create, so that we
  45                 # can smoothly remove /etc/ssh if and only if the user
  46                 # hasn't dropped some other files in there. Conffiles have
  47                 # already been removed at this point.
  48                 rm -f /etc/ssh/ssh_host_key /etc/ssh/ssh_host_key.pub
  49                 rm -f /etc/ssh/ssh_host_rsa_key /etc/ssh/ssh_host_rsa_key.pub
  50                 rm -f /etc/ssh/ssh_host_dsa_key /etc/ssh/ssh_host_dsa_key.pub
  51                 rm -f /etc/ssh/ssh_host_ecdsa_key /etc/ssh/ssh_host_ecdsa_key.pub
  52                 rm -f /etc/ssh/sshd_config
  53                 rm -f /etc/ssh/sshd_not_to_be_run
  54                 rmdir --ignore-fail-on-non-empty /etc/ssh
  55
  56                 update-rc.d ssh remove >/dev/null
  57
  58                 if which deluser >/dev/null 2>&1; then
  59                         deluser --quiet sshd > /dev/null || true
  60                 fi
  61
  62                 finish_mv_conffile /etc/pam.d/ssh
  63                 ;;
  64 esac
  65
  66 exit 0