From: madduck <madduck@19660600-52fe-0310-9875-adc0d7a7b53c>
Date: Thu, 19 Oct 2006 10:29:09 +0000 (+0000)
Subject: initial checkin
X-Git-Tag: 0.1~1
X-Git-Url: https://git.madduck.net/code/molly-guard.git/commitdiff_plain/0831febd10d68bf34d0d9d246497076a73fea2ae?hp=f011e395d1b613fb2cf48efe439a4b49dff0ae69

initial checkin
---

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 <madduck@madduck.net>
+# 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 $EXEC "$@"