From 0831febd10d68bf34d0d9d246497076a73fea2ae Mon Sep 17 00:00:00 2001 From: madduck Date: Thu, 19 Oct 2006 10:29:09 +0000 Subject: [PATCH] initial checkin --- shutdown | 39 +++++++++++++++++++++++++++++++++++++++ 1 file changed, 39 insertions(+) create mode 100755 shutdown diff --git a/shutdown b/shutdown new file mode 100755 index 0000000..0a6efd6 --- /dev/null +++ b/shutdown @@ -0,0 +1,39 @@ +#!/bin/sh +# +# shutdown -- wrapper script to prevent erroneous shutdowns via SSH +# +# Copyright © martin f. krafft +# Released under the terms of the Artistic Licence 2.0 +# +# $Id: shutdown 299 2006-10-16 14:40:47Z madduck $ +# +set -eu + +CMD="${0##*/}" +EXEC="/sbin/$CMD" +case "$CMD" in + halt|reboot|shutdown) + if [ ! -x $EXEC ]; then + echo "E: not an executable: $EXEC" >&2 + exit 3 + fi + ;; + *) + echo "E: unsupported command: $CMD" >&2 + exit 1 + ;; +esac + +if [ -n "${SSH_CONNECTION:-}" ] && test -t 0 && [ "${1:-}" != '--help' ]; then + echo -n "SSH session detected, type in hostname of the machine to $CMD: " + read HOSTNAME_USER + + HOSTNAME="$(hostname)" + + if [ "$HOSTNAME_USER" != "$HOSTNAME" ]; then + echo "Good thing I asked; I won't $CMD $HOSTNAME ..." + exit 2 + fi +fi + +exec $EXEC "$@" -- 2.39.2