diff options
Diffstat (limited to 'net-misc/dhcp/files/dhcpd.init5')
-rwxr-xr-x | net-misc/dhcp/files/dhcpd.init5 | 120 |
1 files changed, 120 insertions, 0 deletions
diff --git a/net-misc/dhcp/files/dhcpd.init5 b/net-misc/dhcp/files/dhcpd.init5 new file mode 100755 index 000000000000..e4317aaa398e --- /dev/null +++ b/net-misc/dhcp/files/dhcpd.init5 @@ -0,0 +1,120 @@ +#!/sbin/runscript +# Copyright 1999-2015 Gentoo Foundation +# Distributed under the terms of the GNU General Public License v2 +# $Id$ + +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} +} |