#!/bin/sh
#----------------------------------------------------------------------
# copyright (C) 1999-2003 Mitel Networks Corporation
#----------------------------------------------------------------------

# Generate host keys if they are not already present. Taken from sshd
# initscript.
KEYGEN=/usr/bin/ssh-keygen
SSHD=/usr/sbin/sshd
RSA1_KEY=/etc/ssh/ssh_host_key
RSA_KEY=/etc/ssh/ssh_host_rsa_key
DSA_KEY=/etc/ssh/ssh_host_dsa_key

do_rsa1_keygen() {
    if [ ! -s $RSA1_KEY ]; then
        echo -n $"Generating SSH1 RSA host key: "
        if $KEYGEN -q -t rsa1 -f $RSA1_KEY -C '' -N '' >&/dev/null; then
            chmod 600 $RSA1_KEY
            chmod 644 $RSA1_KEY.pub
            echo "Success: RSA1 key generation"
            echo
        else
            echo "Failure: RSA1 key generation"
            echo
            exit 1
        fi
    fi
}

do_rsa_keygen() {
    if [ ! -s $RSA_KEY ]; then
        echo -n $"Generating SSH2 RSA host key: "
        if $KEYGEN -q -t rsa -f $RSA_KEY -C '' -N '' >&/dev/null; then
            chmod 600 $RSA_KEY
            chmod 644 $RSA_KEY.pub
            echo "Success: RSA key generation"
            echo
        else
            echo "Failure: RSA key generation"
            echo
            exit 1
        fi
    fi
}

do_dsa_keygen() {
    if [ ! -s $DSA_KEY ]; then
        echo -n $"Generating SSH2 DSA host key: "
        if $KEYGEN -q -t dsa -f $DSA_KEY -C '' -N '' >&/dev/null; then
            chmod 600 $DSA_KEY
            chmod 644 $DSA_KEY.pub
            echo "Success: DSA key generation"
            echo
        else
            echo "Failure: DSA key generation"
            echo
            exit 1
        fi
    fi
}

do_rsa1_keygen
do_rsa_keygen
do_dsa_keygen

exec 2>&1
exec /usr/sbin/sshd -D -e
