114 lines
2.8 KiB
Plaintext
114 lines
2.8 KiB
Plaintext
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#!/sbin/runscript
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# Copyright 1999-2011 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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# $Header: /var/cvsroot/gentoo-x86/net-misc/dhcp/files/dhcpd.init4,v 1.2 2011/09/22 19:38:41 vapier Exp $
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extra_commands="configtest"
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: ${DHCPD_CONF:=/etc/dhcp/${SVCNAME}.conf}
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depend() {
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need net
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use logger dns
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}
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get_var() {
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# we read the conf outside of the chroot as we do
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# not configure with --enable-early-chroot
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local var="$(sed -n 's/^[[:blank:]]\?'"$1"' "*\([^#";]\+\).*/\1/p' "${DHCPD_CONF}")"
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echo ${var:-$2}
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}
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checkconfig() {
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set -- ${DHCPD_OPTS} ${chroot:+-chroot} ${chroot} -t
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dhcpd "$@" 1>/dev/null 2>&1
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local ret=$?
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if [ ${ret} -ne 0 ] ; then
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eerror "${SVCNAME} has detected a syntax error in your configuration files:"
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dhcpd "$@"
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fi
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return ${ret}
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}
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configtest() {
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local chroot=${DHCPD_CHROOT}
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ebegin "Checking ${SVCNAME} configuration"
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checkconfig
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eend $?
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}
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start() {
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local chroot=${DHCPD_CHROOT}
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# Work out our cffile if it's in our DHCPD_OPTS
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case " ${DHCPD_OPTS} " in
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*" -cf "*)
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DHCPD_CONF=" ${DHCPD_OPTS} "
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DHCPD_CONF="${DHCPD_CONF##* -cf }"
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DHCPD_CONF="${DHCPD_CONF%% *}"
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;;
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*) DHCPD_OPTS="${DHCPD_OPTS} -cf ${DHCPD_CONF}"
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;;
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esac
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# see comment in get_var() above
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if [ ! -f "${DHCPD_CONF}" ] ; then
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eerror "${DHCPD_CONF} does not exist"
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return 1
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fi
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if [ -n "${chroot}" ] ; then
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# the config test want's these to exist
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mkdir -p "${chroot}"/var/run/dhcp "${chroot}"/var/lib/dhcp
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fi
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checkconfig || return 1
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checkpath -d -o dhcp:dhcp "${chroot}"/var/run/dhcp "${chroot}"/var/lib/dhcp
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local leasefile="$(get_var lease-file-name /var/lib/dhcp/${SVCNAME}.leases)"
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checkpath -f -o dhcp:dhcp "${chroot}${leasefile}"
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# Setup LD_PRELOAD so name resolution works in our chroot.
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if [ -n "${chroot}" ] ; then
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checkpath -d -o root:root -m 755 "${chroot}"/dev "${chroot}"/etc "${chroot}"/proc
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cp -pP /etc/localtime /etc/resolv.conf "${chroot}"/etc/
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export LD_PRELOAD="${LD_PRELOAD} libresolv.so libnss_dns.so"
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if ! mountinfo -q "${chroot}/proc" ; then
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mount --bind /proc "${chroot}/proc"
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fi
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fi
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local pidfile="$(get_var pid-file-name /var/run/dhcp/${SVCNAME}.pid)"
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ebegin "Starting ${chroot:+chrooted }${SVCNAME}"
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start-stop-daemon --start --exec /usr/sbin/dhcpd \
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--pidfile "${chroot}/${pidfile}" \
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-- ${DHCPD_OPTS} -q -pf "${pidfile}" -lf "${leasefile}" \
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-user dhcp -group dhcp \
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${chroot:+-chroot} ${chroot} ${DHCPD_IFACE}
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eend $? \
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&& save_options chroot "${chroot}" \
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&& save_options pidfile "${pidfile}"
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}
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stop() {
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local chroot="$(get_options chroot)"
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ebegin "Stopping ${chroot:+chrooted }${SVCNAME}"
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start-stop-daemon --stop --exec /usr/sbin/dhcpd \
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--pidfile "${chroot}/$(get_options pidfile)"
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res=$?
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if [ ${res} -eq 0 ] && [ -n "${chroot}" ] ; then
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if mountinfo -q "${chroot}/proc" ; then
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umount "${chroot}/proc"
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fi
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fi
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eend $res
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}
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