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#!/bin/sh
#
# lsh-utils Start/stop secure shell server.
# Written by Timshel Knoll <timshel@debian.org>
# Updated by Stefan Pfetzing <dreamind@dreamind.de>
#
### BEGIN INIT INFO
# Provides: sshd
# Required-Start: $local_fs $remote_fs $syslog $named $network
# Required-Stop: $local_fs $remote_fs $syslog $named $network
# Default-Start: 2 3 4 5
# Default-Stop: 0 1 6
# Short-Description: lsh secure shell server
### END INIT INFO
PATH=/sbin:/bin:/usr/sbin:/usr/bin
DAEMON=/usr/sbin/lshd
NAME=lshd
DESC="secure shell v2 server"
CONFIG=/etc/default/lsh-server
RANDOM_SEED="/var/spool/lsh/yarrow-seed-file"
HOST_KEY="/etc/lsh_host_key"
test -f $DAEMON || exit 0
set -e
if [ -r "$CONFIG" ]; then
. "$CONFIG"
fi
if [ x"$LSHD_PORT" = x ]; then
LSHD_PORT="22"
fi
case "$ENABLE_SFTP" in
true|y*|Y*)
SFTP_FLAG="--subsystems sftp=/usr/lib/lsh-server/sftp-server"
;;
*)
SFTP_FLAG=""
;;
esac
if [ "$1" != "stop" -a "$1" != "graceful-stop" ]; then
if [ ! -f "$RANDOM_SEED" ]; then
echo -n "Creating lsh random seed file (this only needs to be done once): $RANDOM_SEED"
DIR=$(dirname "$RANDOM_SEED")
mkdir -p "$DIR"
chmod 700 "$DIR"
dd if=/dev/random "of=$RANDOM_SEED" bs=1 count=32 2>/dev/null
chmod 600 "$RANDOM_SEED"
echo "."
fi
if [ ! -f "$HOST_KEY" ]; then
echo -n "Creating lsh host key (this only needs to be done once): $HOST_KEY"
lsh-keygen --server | \
lsh-writekey --server --output-file "$HOST_KEY"
if [ ! -f "$HOST_KEY" ]; then
echo " failed! not starting lshd"
exit 0
fi
echo "."
fi
fi
case "$1" in
start)
echo -n "Starting $DESC: $NAME"
start-stop-daemon --start --quiet --pidfile /var/run/$NAME.pid \
--background --make-pidfile --exec $DAEMON -- \
--port "$LSHD_PORT" $SFTP_FLAG
echo "."
;;
stop|graceful-stop)
echo -n "Gracefully stopping $DESC: $NAME"
# Signal 1 causes the "old" lsh to close up shop on its port, but
# keeps running until all active connections have been closed
start-stop-daemon --stop --signal 1 --quiet --pidfile \
/var/run/$NAME.pid --oknodo --exec $DAEMON
# Remove the old pid file, the server will exit when ready
rm -f /var/run/$NAME.pid
echo "."
;;
#reload)
# Signal 1 causes the "old" lsh to close up shop on its port, but
# keeps running until all active connections have been closed
#echo -n "Reloading $DESC configuration files."
#start-stop-daemon --stop --signal 1 --quiet --pidfile \
# /var/run/$NAME.pid --exec $DAEMON
#;;
restart|force-reload)
#
# If the "reload" option is implemented, move the "force-reload"
# option to the "reload" entry above. If not, "force-reload" is
# just the same as "restart".
#
echo -n "Restarting $DESC: $NAME"
start-stop-daemon --stop --signal 1 --quiet --pidfile \
/var/run/$NAME.pid --oknodo --exec $DAEMON
# Remove the old pid file, the old server will exit when ready
rm -f /var/run/$NAME.pid
sleep 1
start-stop-daemon --start --quiet --pidfile /var/run/$NAME.pid \
--background --make-pidfile --exec $DAEMON -- \
--port "$LSHD_PORT" $SFTP_FLAG
echo "."
;;
*)
echo "Usage: /etc/init.d/lsh-utils {start|stop|restart|force-reload}" >&2
exit 1
;;
esac
exit 0