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253 lines
6.1 KiB
253 lines
6.1 KiB
#!/sbin/openrc-run
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# Copyright 1999-2014 Gentoo Foundation
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# Distributed under the terms of the GNU General Public License v2
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extra_commands="checkconfig checkzones"
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extra_started_commands="reload"
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depend() {
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need net
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use logger
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provide dns
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}
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NAMED_CONF=${CHROOT}/etc/bind/named.conf
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OPENSSL_LIBGOST=${OPENSSL_LIBGOST:-0}
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MOUNT_CHECK_TIMEOUT=${MOUNT_CHECK_TIMEOUT:-60}
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_mount() {
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local from
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local to
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local opts
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local ret=0
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if [ "${#}" -lt 3 ]; then
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eerror "_mount(): to few arguments"
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return 1
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fi
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from=$1
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to=$2
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shift 2
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opts="${*}"
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shift $#
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if [ -z "$(awk "\$2 == \"${to}\" { print \$2 }" /proc/mounts)" ]; then
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einfo "mounting ${from} to ${to}"
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mount ${from} ${to} ${opts}
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ret=$?
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eend $ret
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return $ret
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fi
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return 0
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}
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_umount() {
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local dir=$1
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local ret=0
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if [ -n "$(awk "\$2 == \"${dir}\" { print \$2 }" /proc/mounts)" ]; then
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ebegin "umounting ${dir}"
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umount ${dir}
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ret=$?
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eend $ret
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return $ret
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fi
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return 0
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}
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_get_pidfile() {
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# as suggested in bug #107724, bug 335398#c17
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[ -n "${PIDFILE}" ] || PIDFILE=${CHROOT}$(\
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/usr/sbin/named-checkconf -p ${CHROOT:+-t} ${CHROOT} ${NAMED_CONF#${CHROOT}} | grep 'pid-file' | cut -d\" -f2)
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[ -z "${PIDFILE}" ] && PIDFILE=${CHROOT}/run/named/named.pid
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}
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check_chroot() {
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if [ -n "${CHROOT}" ]; then
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[ ! -d "${CHROOT}" ] && return 1
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[ ! -d "${CHROOT}/dev" ] || [ ! -d "${CHROOT}/etc" ] || [ ! -d "${CHROOT}/var" ] && return 1
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[ ! -d "${CHROOT}/run" ] || [ ! -d "${CHROOT}/var/log" ] && return 1
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[ ! -d "${CHROOT}/etc/bind" ] || [ ! -d "${CHROOT}/var/bind" ] && return 1
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[ ! -d "${CHROOT}/var/log/named" ] && return 1
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[ ! -c "${CHROOT}/dev/null" ] || [ ! -c "${CHROOT}/dev/zero" ] && return 1
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[ ! -c "${CHROOT}/dev/random" ] && [ ! -c "${CHROOT}/dev/urandom" ] && return 1
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[ "${CHROOT_GEOIP:-0}" -eq 1 ] && [ ! -d "${CHROOT}/usr/share/GeoIP" ] && return 1
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if [ ${OPENSSL_LIBGOST:-0} -eq 1 ]; then
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if [ -d "/usr/lib64" ]; then
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[ ! -d "${CHROOT}/usr/lib64/engines" ] && return 1
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elif [ -d "/usr/lib" ]; then
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[ ! -d "${CHROOT}/usr/lib/engines" ] && return 1
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fi
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fi
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fi
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return 0
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}
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checkconfig() {
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ebegin "Checking named configuration"
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if [ ! -f "${NAMED_CONF}" ] ; then
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eerror "No ${NAMED_CONF} file exists!"
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return 1
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fi
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/usr/sbin/named-checkconf ${CHROOT:+-t} ${CHROOT} ${NAMED_CONF#${CHROOT}} || {
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eerror "named-checkconf failed! Please fix your config first."
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return 1
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}
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eend 0
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return 0
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}
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checkzones() {
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ebegin "Checking named configuration and zones"
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/usr/sbin/named-checkconf -z -j ${CHROOT:+-t} ${CHROOT} ${NAMED_CONF#${CHROOT}}
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eend $?
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}
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start() {
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local piddir
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ebegin "Starting ${CHROOT:+chrooted }named"
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if [ -n "${CHROOT}" ]; then
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if [ ${CHROOT_NOCHECK:-0} -eq 0 ]; then
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check_chroot || {
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eend 1
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eerror "Your chroot dir ${CHROOT} is inconsistent, please run 'emerge --config net-dns/bind' first"
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return 1
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}
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fi
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if [ ${OPENSSL_LIBGOST:-0} -eq 1 ]; then
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if [ ! -e /usr/lib/engines/libgost.so ]; then
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eend 1
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eerror "Couldn't find /usr/lib/engines/libgost.so but bind has been built with openssl and libgost support"
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return 1
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fi
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cp -Lp /usr/lib/engines/libgost.so "${CHROOT}/usr/lib/engines/libgost.so" || {
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eend 1
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eerror "Couldn't copy /usr/lib/engines/libgost.so into '${CHROOT}/usr/lib/engines/'"
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return 1
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}
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fi
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cp -Lp /etc/localtime "${CHROOT}/etc/localtime"
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if [ "${CHROOT_NOMOUNT:-0}" -eq 0 ]; then
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einfo "Mounting chroot dirs"
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_mount /etc/bind ${CHROOT}/etc/bind -o bind
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_mount /var/bind ${CHROOT}/var/bind -o bind
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_mount /var/log/named ${CHROOT}/var/log/named -o bind
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if [ "${CHROOT_GEOIP:-0}" -eq 1 ]; then
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_mount /usr/share/GeoIP ${CHROOT}/usr/share/GeoIP -o bind
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fi
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fi
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# On initial startup, if piddir inside the chroot /var/run/named
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# Then the .../var/run part might not exist yet
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checkpath -q -d -o root:root -m 0755 "${piddir}/.."
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fi
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checkconfig || { eend 1; return 1; }
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# create piddir (usually /run/named) if necessary, bug 334535
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_get_pidfile
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piddir="${PIDFILE%/*}"
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checkpath -q -d -o root:named -m 0770 "${piddir}" || {
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eerror "Failed to create PID directory at $piddir"
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eend 1
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return 1
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}
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# In case someone have $CPU set in /etc/conf.d/named
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if [ -n "${CPU}" ] && [ "${CPU}" -gt 0 ]; then
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CPU="-n ${CPU}"
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fi
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start-stop-daemon --start --pidfile ${PIDFILE} \
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--nicelevel ${NAMED_NICELEVEL:-0} \
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--exec /usr/sbin/named \
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-- -u named ${CPU} ${OPTIONS} ${CHROOT:+-t} ${CHROOT}
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eend $?
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}
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stop() {
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local reported=0
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ebegin "Stopping ${CHROOT:+chrooted }named"
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# Workaround for now, until openrc's restart has been fixed.
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# openrc doesn't care about a restart() function in init scripts.
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if [ "${RC_CMD}" = "restart" ]; then
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if [ -n "${CHROOT}" -a ${CHROOT_NOCHECK:-0} -eq 0 ]; then
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check_chroot || {
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eend 1
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eerror "Your chroot dir ${CHROOT} is inconsistent, please run 'emerge --config net-dns/bind' first"
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return 1
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}
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fi
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checkconfig || { eend 1; return 1; }
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fi
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# -R 10, bug 335398
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_get_pidfile
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start-stop-daemon --stop --retry 10 --pidfile $PIDFILE \
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--exec /usr/sbin/named
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if [ -n "${CHROOT}" ] && [ "${CHROOT_NOMOUNT:-0}" -eq 0 ]; then
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ebegin "Umounting chroot dirs"
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# just to be sure everything gets clean
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while fuser -s ${CHROOT} 2>/dev/null; do
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if [ "${reported}" -eq 0 ]; then
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einfo "Waiting until all named processes are stopped (max. ${MOUNT_CHECK_TIMEOUT} seconds)"
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elif [ "${reported}" -eq "${MOUNT_CHECK_TIMEOUT}" ]; then
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eerror "Waiting until all named processes are stopped failed!"
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eend 1
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break
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fi
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sleep 1
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reported=$((reported+1))
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done
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[ "${CHROOT_GEOIP:-0}" -eq 1 ] && _umount ${CHROOT}/usr/share/GeoIP
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_umount ${CHROOT}/etc/bind
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_umount ${CHROOT}/var/log/named
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_umount ${CHROOT}/var/bind
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fi
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eend $?
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}
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reload() {
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local ret
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ebegin "Reloading named.conf and zone files"
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checkconfig || { eend 1; return 1; }
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_get_pidfile
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if [ -n "${PIDFILE}" ]; then
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start-stop-daemon --pidfile $PIDFILE --signal HUP
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ret=$?
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else
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ewarn "Unable to determine the pidfile... this is"
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ewarn "a fallback mode. Please check your installation!"
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$RC_SERVICE restart
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ret=$?
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fi
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eend $ret
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}
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