#!/bin/sh

# sshd

# Source functions library
source /etc/rc.d/init.d/functions

source /etc/sysconfig/network/network-parameters

log_script_name "$0 $*"

DAEMON="/usr/sbin/sshd"
DAEMON_DESC="SSH server"
DAEMON_OPTS="-4"

KEYLEN_BITS=4096

# Check if SSH server is desired
if [ "x${SSH_SERVER_ENA}" != "xyes" -a "x${SSH_SERVER_ENA}" != "xYes" -a "x${SSH_SERVER_ENA}" != "xYES" ]; then
    exit ${EXIT_CODE_SUCCESS}
fi

gen_keys() {
    if [ ! -e /etc/ssh/ssh_host_rsa_key ] ; then
	echo "Generating RSA hostkey..."
	/usr/bin/ssh-keygen -t rsa -b ${KEYLEN_BITS} -f /etc/ssh/ssh_host_rsa_key -N ''
    fi
    if [ ! -e /etc/ssh/ssh_host_ed25519_key ] ; then
	echo "Generating Ed25519 hostkey..."
        /usr/bin/ssh-keygen -t ed25519 -f /etc/ssh/ssh_host_ed25519_key -N ''
    fi
}

sshd_start() {
    # Checking configuration
    if [ ! -e /etc/ssh/sshd_config ] ; then
	echo "You need an /etc/ssh/sshd_config file to run sshd"
	echo "There is a sample file in  /usr/share/doc/openssh"
	exit ${EXIT_CODE_FAILURE}
    fi

    gen_keys

    if [ $? -ne 0 ]; then
	exit ${EXIT_CODE_FAILURE}
    else
	loadproc ${DAEMON} ${DAEMON_OPTS}
    fi
}

# See how we were called
case "$1" in
    start)
	cmd_run_log_box_warn "${DAEMON_DESC} start" sshd_start
	;;

    stop)
	cmd_run_log_box_warn "${DAEMON_DESC} stop" killproc ${DAEMON}
	;;

    reload)
	reloadproc ${DAEMON}
	;;

    restart)
	$0 stop
	sleep 1
	$0 start
	;;

    status)
	statusproc ${DAEMON}
	;;

    *)
	echo "Usage: $0 {reload|restart|start|status|stop}"
	exit ${EXIT_CODE_FAILURE}
	;;
esac

exit $?