ssh_gen_host_keys: generate ecdsa keys

[dab.git] / scripts / ssh_gen_host_keys

#!/bin/sh
### BEGIN INIT INFO
# Provides:          ssh_gen_host_keys
# Required-Start:    $local_fs
# Required-Stop:
# X-Start-Before:    sshd
# Default-Start:     2
# Default-Stop:
# Short-Description: Regenerate SSH keys
# Description:       Regenerate container SSH keys for uniqueness.
### END INIT INFO

set -e

HNAME=`head -n 1 /etc/hostname|awk '{ print $1; }'`

if [ "X${HNAME}" = "Xlocalhost" ] ; then
    exit 0;
fi

echo "generating ssh host keys"

rm -f /etc/ssh/ssh_host_rsa_key
ssh-keygen -q -f /etc/ssh/ssh_host_rsa_key -t rsa -N ''

rm -f /etc/ssh/ssh_host_dsa_key
ssh-keygen -q -f /etc/ssh/ssh_host_dsa_key -t dsa -N ''

rm -f /etc/ssh/ssh_host_ecdsa_key
ssh-keygen -q -f /etc/ssh/ssh_host_ecdsa_key -t ecdsa -N ''

if [ -x /sbin/insserv ] ; then
    /sbin/insserv -r ssh_gen_host_keys
    rm -f /etc/init.d/ssh_gen_host_keys
else
    rm -f /etc/init.d/ssh_gen_host_keys
    update-rc.d -f ssh_gen_host_keys remove
fi