#!/usr/bin/runscript
# Copyright 1999-2011 Gentoo Foundation
# Distributed under the terms of the GNU General Public License v2

extra_commands="checkconfig gen_keys"
extra_started_commands="reload"

depend() {
    use logger dns
    need net
}

SSHD_CONFDIR=${SSHD_CONFDIR:-/etc/ssh}
SSHD_PIDFILE=${SSHD_PIDFILE:-/run/${SVCNAME}.pid}
SSHD_BINARY=${SSHD_BINARY:-/usr/sbin/sshd}

checkconfig() {
    if [ ! -d /var/empty ] ; then
        mkdir -p /var/empty || return 1
    fi

    if [ ! -e "${SSHD_CONFDIR}"/sshd_config ] ; then
        eerror "You need an ${SSHD_CONFDIR}/sshd_config file to run sshd"
        eerror "There is a sample file in /usr/share/doc/openssh"
        return 1
    fi

    gen_keys || return 1

    "${SSHD_BINARY}" -t ${myopts} || return 1
}

gen_keys() {
    if [ ! -e "${SSHD_CONFDIR}"/ssh_host_key ] ; then
        einfo "Generating Hostkey..."
        /usr/bin/ssh-keygen -t rsa1 -f "${SSHD_CONFDIR}"/ssh_host_key -N '' || return 1
    fi
    if [ ! -e "${SSHD_CONFDIR}"/ssh_host_dsa_key ] ; then
        einfo "Generating DSA-Hostkey..."
        /usr/bin/ssh-keygen -d -f "${SSHD_CONFDIR}"/ssh_host_dsa_key -N '' || return 1
    fi
    if [ ! -e "${SSHD_CONFDIR}"/ssh_host_rsa_key ] ; then
        einfo "Generating RSA-Hostkey..."
        /usr/bin/ssh-keygen -t rsa -f "${SSHD_CONFDIR}"/ssh_host_rsa_key -N '' || return 1
    fi
    return 0
}

start() {
    local myopts=""
    [ "${SSHD_PIDFILE}" != "/run/sshd.pid" ] \
        && myopts="${myopts} -o PidFile=${SSHD_PIDFILE}"
    [ "${SSHD_CONFDIR}" != "/etc/ssh" ] \
        && myopts="${myopts} -f ${SSHD_CONFDIR}/sshd_config"

    checkconfig || return 1
    ebegin "Starting ${SVCNAME}"
    start-stop-daemon --start --exec "${SSHD_BINARY}" \
        --pidfile "${SSHD_PIDFILE}" \
        -- ${myopts} ${SSHD_OPTS}
    eend $?
}

stop() {
    if [ "${RC_CMD}" = "restart" ] ; then
        checkconfig || return 1
    fi

    ebegin "Stopping ${SVCNAME}"
    start-stop-daemon --stop --exec "${SSHD_BINARY}" \
        --pidfile "${SSHD_PIDFILE}" --quiet
    eend $?
}

reload() {
    checkconfig || return 1
    ebegin "Reloading ${SVCNAME}"
    start-stop-daemon --stop --signal HUP --oknodo \
        --exec "${SSHD_BINARY}" --pidfile "${SSHD_PIDFILE}"
    eend $?
}

