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Add a check which possibly prints out a warning message.
authorAndrew Ruthven <andrew@etc.gen.nz>
Sat, 19 Apr 2008 02:12:11 +0000 (14:12 +1200)
committerAndrew Ruthven <andrew@etc.gen.nz>
Sat, 19 Apr 2008 02:12:11 +0000 (14:12 +1200)
checks.d/10-print-message [new file with mode: 0755]
shutdown

diff --git a/checks.d/10-print-message b/checks.d/10-print-message
new file mode 100755 (executable)
index 0000000..cb4a483
--- /dev/null
@@ -0,0 +1,28 @@
+#!/bin/sh
+#
+# print a warning message before rebooting/shutting down etc a machine.
+#
+# Copyright <C2><A9> Andrew Ruthven <andrew@etc.gen.nz>
+# Released under the terms of the Artistic Licence 2.0
+#
+# Cat out either /etc/molly-guard.$CMD.message
+#             or /etc/molly-guard.message
+# If present.
+CMD=$1; shift
+
+FILE=
+BANNER=
+
+if [ -f /etc/molly-guard.$CMD.message ]; then
+  echo "$(hostname -s) has a $CMD warning message:"
+  FILE=/etc/molly-guard.$CMD.message
+elif [ -f /etc/molly-guard.message ]; then
+  FILE=/etc/molly-guard.message
+  echo "$(hostname -s) has a warning message:"
+fi
+
+if [ "x$FILE" != "x" ]; then
+  echo $BANNER
+  cat $FILE
+  echo ""
+fi
index 775a93ed6ffe0d205966dd27951886c7f85b965f..c8005adc3c5b1984dfa8d2878d5d285246abcba7 100755 (executable)
--- a/shutdown
+++ b/shutdown
@@ -51,6 +51,14 @@ usage()
           ALWAYS_MOLLY is set to '1'.  This variable may be set in the file
          /etc/default/${ME} .
 
+        - Print out a warning message with information about this host
+         before the action takes place.  You can use:
+               /etc/molly-guard.<Action>.message
+         To print out a message specific to the command you're trying to
+         use.  Or:
+               /etc/molly-guard.message
+         For a general warning message.
+
        Only if the user satisfies all the checks will $ME take action.
        Specifying --molly-guard-do-nothing as argument to the command will
        make $ME echo the command it would execute rather than actually executing