#!/bin/bash
#
# Init file for dropbear SSH server daemon
#
# chkconfig: - 55 25
# description: dropbear SSH server daemon
#
# processname: dropbear
# config: /etc/dropbear/dropbear_dss_host_key
# config: /etc/dropbear/dropbear_rsa_host_key
# pidfile: /var/run/dropbear.pid
# source function library
. /etc/rc.d/init.d/functions
# pull in sysconfig settings
[ -f /etc/sysconfig/dropbear ] && . /etc/sysconfig/dropbear
RETVAL=0
prog="dropbear"
# Some functions to make the below more readable
KEYGEN=/usr/bin/dropbearkey
DROPBEAR=/usr/sbin/dropbear
RSA_KEY=/etc/dropbear/dropbear_rsa_host_key
DSS_KEY=/etc/dropbear/dropbear_dss_host_key
PID_FILE=/var/run/dropbear.pid
runlevel=$(set -- $(runlevel); eval "echo \$$#" )
do_rsa_keygen() {
if [ ! -s $RSA_KEY ]; then
echo -n $"Generating dropbear RSA host key: "
if $KEYGEN -t rsa -f $RSA_KEY >&/dev/null; then
chmod 600 $RSA_KEY
success $"RSA key generation"
echo
else
failure $"RSA key generation"
echo
exit 1
fi
fi
}
do_dss_keygen() {
if [ ! -s $DSS_KEY ]; then
echo -n $"Generating dropbear DSS host key: "
if $KEYGEN -t dss -f $DSS_KEY >&/dev/null; then
chmod 600 $DSS_KEY
success $"DSS key generation"
echo
else
failure $"DSS key generation"
echo
exit 1
fi
fi
}
start()
{
# Create keys if necessary
if [ "x${AUTOCREATE_SERVER_KEYS}" != xNO ]; then
do_rsa_keygen
do_dss_keygen
fi
echo -n $"Starting $prog: "
$DROPBEAR $OPTIONS && success || failure
RETVAL=$?
[ "$RETVAL" = 0 ] && touch /var/lock/subsys/dropbear
echo
}
stop()
{
echo -n $"Stopping $prog: "
if [ -n "`pidfileofproc $DROPBEAR`" ] ; then
killproc $DROPBEAR
else
failure $"Stopping $prog"
fi
RETVAL=$?
# if we are in halt or reboot runlevel kill all running sessions
# so the TCP connections are closed cleanly
if [ "x$runlevel" = x0 -o "x$runlevel" = x6 ] ; then
killall $prog 2>/dev/null
fi
[ "$RETVAL" = 0 ] && rm -f /var/lock/subsys/dropbear
echo
}
case "$1" in
start)
start
;;
stop)
stop
;;
restart)
stop
start
;;
reload)
stop
start
;;
condrestart)
if [ -f /var/lock/subsys/dropbear ] ; then
stop
# avoid race
sleep 3
start
fi
;;
status)
status $DROPBEAR
RETVAL=$?
;;
*)
echo $"Usage: $0 {start|stop|restart|reload|condrestart|status}"
RETVAL=1
esac
exit $RETVAL