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#!/bin/sh -e
#DEBHELPER#
abort_mv_conffile () {
CONFFILE="$1"
if [ ! -e "$CONFFILE" ]; then
if [ -e "$CONFFILE.dpkg-old" ]; then
mv -f "$CONFFILE.dpkg-old" "$CONFFILE"
elif [ -e "$CONFFILE.moving" ]; then
mv -f "$CONFFILE.moving" "$CONFFILE"
fi
fi
}
finish_mv_conffile () {
CONFFILE="$1"
if [ -e "$CONFFILE.dpkg-old" ]; then
rm -f "$CONFFILE.dpkg-old"
fi
}
abort_transfer_conffile () {
CONFFILE="$1"
if [ -e "$CONFFILE.moved-by-preinst" ]; then
echo >&2 "Aborting ownership transfer of conffile $CONFFILE ..."
mv -f "$CONFFILE.moved-by-preinst" "$CONFFILE"
return 0
fi
}
case $1 in
abort-install|abort-upgrade)
if dpkg --compare-versions "$2" lt 1:4.7p1-4; then
abort_mv_conffile /etc/pam.d/ssh
fi
abort_transfer_conffile /etc/default/ssh
abort_transfer_conffile /etc/init.d/ssh
abort_transfer_conffile /etc/pam.d/ssh
;;
purge)
# Remove all non-conffiles that ssh might create, so that we
# can smoothly remove /etc/ssh if and only if the user
# hasn't dropped some other files in there. Conffiles have
# already been removed at this point.
rm -f /etc/ssh/ssh_host_key /etc/ssh/ssh_host_key.pub
rm -f /etc/ssh/ssh_host_rsa_key /etc/ssh/ssh_host_rsa_key.pub
rm -f /etc/ssh/ssh_host_dsa_key /etc/ssh/ssh_host_dsa_key.pub
rm -f /etc/ssh/sshd_config
rm -f /etc/ssh/sshd_not_to_be_run
rmdir --ignore-fail-on-non-empty /etc/ssh
update-rc.d ssh remove >/dev/null
if which deluser >/dev/null 2>&1; then
deluser --quiet sshd > /dev/null || true
fi
finish_mv_conffile /etc/pam.d/ssh
;;
esac
exit 0
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