#!/sbin/openrc-run # Copyright 1999-2023 Gentoo Authors # Distributed under the terms of the GNU General Public License v2 description="ISC DHCP server" extra_commands="configtest" description_configtest="Test the syntax of the configuration file" : ${DHCPD_CONF:=/etc/dhcp/${SVCNAME}.conf} depend() { need net use logger dns #@slapd@ } get_var() { local var="$(sed -n 's/^[[:blank:]]\?'"$1"' "*\([^#";]\+\).*/\1/p' "${chroot}${DHCPD_CONF}")" echo ${var:-$2} } setup_opts() { DHCPD_CHROOT=${DHCPD_CHROOT%/} # Work out our cffile if it's in our DHCPD_OPTS case " ${DHCPD_OPTS} " in *" -cf "*) DHCPD_CONF=" ${DHCPD_OPTS} " DHCPD_CONF="${DHCPD_CONF##* -cf }" DHCPD_CONF="${DHCPD_CONF%% *}" ;; *) DHCPD_OPTS="${DHCPD_OPTS} -cf ${DHCPD_CONF}" ;; esac } checkconfig() { set -- ${DHCPD_OPTS} -chroot "${DHCPD_CHROOT:-/}" -t dhcpd "$@" 1>/dev/null 2>&1 local ret=$? if [ ${ret} -ne 0 ] ; then eerror "${SVCNAME} has detected a syntax error in your configuration files:" dhcpd "$@" fi return ${ret} } configtest() { setup_opts ebegin "Checking ${SVCNAME} configuration" checkconfig eend $? } start() { setup_opts local chroot="${DHCPD_CHROOT}" if [ -n "${chroot}" ] ; then # the config test want's these to exist mkdir -p \ "${chroot}"/var/run/dhcp \ "${chroot}"/var/lib/dhcp \ "${chroot}"/etc/dhcp fi # see comment in get_var() above if [ ! -f "${chroot}${DHCPD_CONF}" ] ; then eerror "${chroot}${DHCPD_CONF} does not exist" return 1 fi checkconfig || return 1 checkpath -d -o dhcp:dhcp "${chroot}"/var/run/dhcp "${chroot}"/var/lib/dhcp local leasefile="$(get_var lease-file-name /var/lib/dhcp/${SVCNAME}.leases)" checkpath -f -o dhcp:dhcp "${chroot}${leasefile}" if [ -n "${chroot}" ] ; then checkpath -d -o root:root -m 755 "${chroot}"/dev "${chroot}"/etc "${chroot}"/proc cp -pP /etc/localtime /etc/resolv.conf "${chroot}"/etc/ if ! mountinfo -q "${chroot}/proc" ; then mount --bind /proc "${chroot}/proc" fi fi local pidfile="$(get_var pid-file-name /var/run/dhcp/${SVCNAME}.pid)" ebegin "Starting ${chroot:+chrooted }${SVCNAME}" start-stop-daemon --start --exec /usr/sbin/dhcpd \ --pidfile "${chroot}/${pidfile}" \ -- ${DHCPD_OPTS} -q -pf "${pidfile}" -lf "${leasefile}" \ -user dhcp -group dhcp \ -chroot "${chroot:-/}" ${DHCPD_IFACE} eend $? \ && save_options dhcpd_chroot "${chroot}" \ && save_options pidfile "${pidfile}" } stop() { local chroot="$(get_options dhcpd_chroot)" [ -z "${chroot}" ] && chroot="$(get_options chroot)" ebegin "Stopping ${chroot:+chrooted }${SVCNAME}" start-stop-daemon --stop --exec /usr/sbin/dhcpd \ --pidfile "${chroot}/$(get_options pidfile)" res=$? if [ ${res} -eq 0 ] && [ -n "${chroot}" ] ; then if mountinfo -q "${chroot}/proc" ; then umount "${chroot}/proc" fi fi eend ${res} }