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#!/bin/sh
# Start/stop/restart the dropbear secure shell server:
# Terminate the script now if we have no interface with an IP address:
if ! `ip -f inet -o addr show | grep -v " lo " 1>/dev/null 2>/dev/null` ; then
exit 1
fi
dropbear_start() {
# Create host keys if needed.
if [ ! -f /etc/dropbear/dropbear_rsa_host_key ]; then
/bin/dropbearkey -t rsa -f /etc/dropbear/dropbear_rsa_host_key
fi
if [ ! -f /etc/dropbear/dropbear_dss_host_key ]; then
/bin/dropbearkey -t dss -f /etc/dropbear/dropbear_dss_host_key
fi
touch /var/log/lastlog # The file is missing in the installer
/sbin/dropbear 2>> /var/log/dropbear.log
}
dropbear_stop() {
killall dropbear
}
dropbear_restart() {
if [ -r /var/run/dropbear.pid ]; then
echo "WARNING: killing listener process only. To kill every dropbear process, you "
echo " must use 'rc.dropbear stop'. 'rc.dropbear restart' kills only the "
echo " parent dropbear to allow an admin logged in through dropbear to use "
echo " 'rc.dropbear restart' without being cut off. If dropbear has been "
echo " upgraded, new connections will now use the new version, which should "
echo " be a safe enough approach."
kill `cat /var/run/dropbear.pid`
else
echo "WARNING: There does not appear to be a parent instance of dropbear running."
echo " If you really want to kill all running instances of dropbear "
echo " (including any sessions currently in use), run "
echo " '/etc/rc.d/rc.dropbear stop' instead."
exit 1
fi
sleep 1
dropbear_start
}
case "$1" in
'start')
dropbear_start
;;
'stop')
dropbear_stop
;;
'restart')
dropbear_restart
;;
*)
echo "usage $0 start|stop|restart"
esac
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