| #!/sbin/openrc-run |
| # Copyright 1999-2015 Gentoo Foundation |
| # Distributed under the terms of the GNU General Public License v2 |
| |
| extra_commands="configtest" |
| |
| : ${DHCPD_CONF:=/etc/dhcp/${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}" |
| |
| # Setup LD_PRELOAD so name resolution works in our chroot. |
| if [ -n "${chroot}" ] ; then |
| checkpath -d -o root:root -m 755 "${chroot}"/dev "${chroot}"/etc "${chroot}"/proc |
| cp -pP /etc/localtime /etc/resolv.conf "${chroot}"/etc/ |
| export LD_PRELOAD="${LD_PRELOAD} libresolv.so libnss_dns.so" |
| 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} |
| } |