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#!/sbin/openrc-run
# Copyright 1999-2022 Gentoo Authors
# Distributed under the terms of the GNU General Public License v2
extra_commands="checkconfig checkzones"
extra_started_commands="reload"
depend() {
need net
use logger
provide dns
}
NAMED_CONF=${NAMED_CONF:-${CHROOT}/etc/bind/named.conf}
OPENSSL_LIBGOST=${OPENSSL_LIBGOST:-0}
MOUNT_CHECK_TIMEOUT=${MOUNT_CHECK_TIMEOUT:-60}
_mount() {
local from
local to
local opts
local ret=0
if [ "${#}" -lt 3 ]; then
eerror "_mount(): to few arguments"
return 1
fi
from=$1
to=$2
shift 2
opts="${*}"
shift $#
if [ -z "$(awk "\$2 == \"${to}\" { print \$2 }" /proc/mounts)" ]; then
einfo "mounting ${from} to ${to}"
mount ${from} ${to} ${opts}
ret=$?
eend $ret
return $ret
fi
return 0
}
_umount() {
local dir=$1
local ret=0
if [ -n "$(awk "\$2 == \"${dir}\" { print \$2 }" /proc/mounts)" ]; then
ebegin "umounting ${dir}"
umount ${dir}
ret=$?
eend $ret
return $ret
fi
return 0
}
_get_pidfile() {
# as suggested in bug #107724, bug 335398#c17
[ -n "${PIDFILE}" ] || PIDFILE=${CHROOT}$(\
/usr/sbin/named-checkconf -p ${CHROOT:+-t} ${CHROOT} ${NAMED_CONF#${CHROOT}} | grep 'pid-file' | cut -d\" -f2)
[ -z "${PIDFILE}" ] && PIDFILE=${CHROOT}/run/named/named.pid
}
check_chroot() {
if [ -n "${CHROOT}" ]; then
[ ! -d "${CHROOT}" ] && return 1
[ ! -d "${CHROOT}/dev" ] || [ ! -d "${CHROOT}/etc" ] || [ ! -d "${CHROOT}/var" ] && return 1
[ ! -d "${CHROOT}/run" ] || [ ! -d "${CHROOT}/var/log" ] && return 1
[ ! -d "${CHROOT}/etc/bind" ] || [ ! -d "${CHROOT}/var/bind" ] && return 1
[ ! -d "${CHROOT}/var/log/named" ] && return 1
[ ! -c "${CHROOT}/dev/null" ] || [ ! -c "${CHROOT}/dev/zero" ] && return 1
[ "${CHROOT_GEOIP:-0}" -eq 1 ] && [ ! -d "${CHROOT}/usr/share/GeoIP" ] && return 1
if [ ${OPENSSL_LIBGOST:-0} -eq 1 ]; then
if [ -d "/usr/lib64" ]; then
[ ! -d "${CHROOT}/usr/lib64/engines" ] && return 1
elif [ -d "/usr/lib" ]; then
[ ! -d "${CHROOT}/usr/lib/engines" ] && return 1
fi
fi
fi
return 0
}
checkconfig() {
ebegin "Checking named configuration"
if [ ! -f "${NAMED_CONF}" ] ; then
eerror "No ${NAMED_CONF} file exists!"
return 1
fi
/usr/sbin/named-checkconf ${CHROOT:+-t} ${CHROOT} ${NAMED_CONF#${CHROOT}} || {
eerror "named-checkconf failed! Please fix your config first."
return 1
}
eend 0
return 0
}
checkzones() {
ebegin "Checking named configuration and zones"
/usr/sbin/named-checkconf -z -j ${CHROOT:+-t} ${CHROOT} ${NAMED_CONF#${CHROOT}}
eend $?
}
start() {
local piddir
ebegin "Starting ${CHROOT:+chrooted }named"
if [ -n "${CHROOT}" ]; then
if [ ${CHROOT_NOCHECK:-0} -eq 0 ]; then
check_chroot || {
eend 1
eerror "Your chroot dir ${CHROOT} is inconsistent, please run 'emerge --config net-dns/bind' first"
return 1
}
fi
if [ ${OPENSSL_LIBGOST:-0} -eq 1 ]; then
if [ ! -e /usr/lib/engines/libgost.so ]; then
eend 1
eerror "Couldn't find /usr/lib/engines/libgost.so but bind has been built with openssl and libgost support"
return 1
fi
cp -Lp /usr/lib/engines/libgost.so "${CHROOT}/usr/lib/engines/libgost.so" || {
eend 1
eerror "Couldn't copy /usr/lib/engines/libgost.so into '${CHROOT}/usr/lib/engines/'"
return 1
}
fi
cp -Lp /etc/localtime "${CHROOT}/etc/localtime"
if [ "${CHROOT_NOMOUNT:-0}" -eq 0 ]; then
einfo "Mounting chroot dirs"
_mount /etc/bind ${CHROOT}/etc/bind -o bind
_mount /var/bind ${CHROOT}/var/bind -o bind
_mount /var/log/named ${CHROOT}/var/log/named -o bind
if [ "${CHROOT_GEOIP:-0}" -eq 1 ]; then
_mount /usr/share/GeoIP ${CHROOT}/usr/share/GeoIP -o bind
fi
fi
# On initial startup, if piddir inside the chroot /var/run/named
# Then the .../var/run part might not exist yet
checkpath -q -d -o root:root -m 0755 "${piddir}/.."
fi
checkconfig || { eend 1; return 1; }
# create piddir (usually /run/named) if necessary, bug 334535
_get_pidfile
piddir="${PIDFILE%/*}"
checkpath -q -d -o root:named -m 0770 "${piddir}" || {
eerror "Failed to create PID directory at $piddir"
eend 1
return 1
}
# In case someone have $CPU set in /etc/conf.d/named
if [ -n "${CPU}" ] && [ "${CPU}" -gt 0 ]; then
CPU="-n ${CPU}"
fi
start-stop-daemon --start --pidfile ${PIDFILE} \
--nicelevel ${NAMED_NICELEVEL:-0} \
--exec /usr/sbin/named \
-- -u named ${CPU} ${OPTIONS} ${CHROOT:+-t} ${CHROOT}
eend $?
}
stop() {
local reported=0
ebegin "Stopping ${CHROOT:+chrooted }named"
# Workaround for now, until openrc's restart has been fixed.
# openrc doesn't care about a restart() function in init scripts.
if [ "${RC_CMD}" = "restart" ]; then
if [ -n "${CHROOT}" -a ${CHROOT_NOCHECK:-0} -eq 0 ]; then
check_chroot || {
eend 1
eerror "Your chroot dir ${CHROOT} is inconsistent, please run 'emerge --config net-dns/bind' first"
return 1
}
fi
checkconfig || { eend 1; return 1; }
fi
# -R 10, bug 335398
_get_pidfile
start-stop-daemon --stop --retry 10 --pidfile $PIDFILE \
--exec /usr/sbin/named
if [ -n "${CHROOT}" ] && [ "${CHROOT_NOMOUNT:-0}" -eq 0 ]; then
ebegin "Umounting chroot dirs"
# just to be sure everything gets clean
while fuser -s ${CHROOT} 2>/dev/null; do
if [ "${reported}" -eq 0 ]; then
einfo "Waiting until all named processes are stopped (max. ${MOUNT_CHECK_TIMEOUT} seconds)"
elif [ "${reported}" -eq "${MOUNT_CHECK_TIMEOUT}" ]; then
eerror "Waiting until all named processes are stopped failed!"
eend 1
break
fi
sleep 1
reported=$((reported+1))
done
[ "${CHROOT_GEOIP:-0}" -eq 1 ] && _umount ${CHROOT}/usr/share/GeoIP
_umount ${CHROOT}/etc/bind
_umount ${CHROOT}/var/log/named
_umount ${CHROOT}/var/bind
fi
eend $?
}
reload() {
local ret
ebegin "Reloading named.conf and zone files"
checkconfig || { eend 1; return 1; }
_get_pidfile
if [ -n "${PIDFILE}" ]; then
start-stop-daemon --pidfile $PIDFILE --signal HUP
ret=$?
else
ewarn "Unable to determine the pidfile... this is"
ewarn "a fallback mode. Please check your installation!"
$RC_SERVICE restart
ret=$?
fi
eend $ret
}
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