syncmaildir/smd-restricted-shell

#!/bin/sh
#
# Released under the terms of GPLv3 or at your option any later version.
# No warranties.
# Copyright Enrico Tassi <gares@fettunta.org>

set -e
#set -x

PREFIX="@PREFIX@"
if [ `echo "$PREFIX" | cut -c -1` = "@" ]; then
	echo "smd-restricted-shell not installed, assuming PREFIX=."
	WHERE="./"
else
	WHERE="$PREFIX/bin"
fi

# check that SSH_ORIGINAL_COMMAND contains only
# smd-client/smd-server
C=`echo $SSH_ORIGINAL_COMMAND | cut -f 1 -d ' '`
if [ "$C" != "$WHERE/smd-client" -a "$C" != "$WHERE/smd-server" ]; then
      exit 1
fi

# we now run the smd command
exec $SSH_ORIGINAL_COMMAND