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authorMatt Smith <mcs@darkregion.net>2011-03-29 23:40:36 -0500
committerMatt Smith <mcs@darkregion.net>2011-03-29 23:40:36 -0500
commit4346c9975804621d2e276ef1a12c0695dce71eb1 (patch)
tree2a5e5b38423947a52d303068a2344d2bf6c65d09 /main/nsd/nsd.initd
parentf3e054e83191c6bddd83f639c8826e829b790e91 (diff)
downloadaports-4346c9975804621d2e276ef1a12c0695dce71eb1.tar.bz2
aports-4346c9975804621d2e276ef1a12c0695dce71eb1.tar.xz
main/nsd: moved from testing
Diffstat (limited to 'main/nsd/nsd.initd')
-rw-r--r--main/nsd/nsd.initd420
1 files changed, 420 insertions, 0 deletions
diff --git a/main/nsd/nsd.initd b/main/nsd/nsd.initd
new file mode 100644
index 0000000000..f400080494
--- /dev/null
+++ b/main/nsd/nsd.initd
@@ -0,0 +1,420 @@
+#!/sbin/runscript
+#
+# nsdc.sh -- a shell script to manage the beast
+#
+# Copyright (c) 2001-2006, NLnet Labs. All rights reserved.
+#
+# See LICENSE for the license.
+#
+# OpenRC conversion by Matt Smith <msmith@alpinelinux.org>
+#
+#
+
+name=nsd
+daemon=/usr/sbin/${name}
+initd=/etc/init.d/${name}
+
+description="NSD, authoritative only high performance name server."
+
+extra_commands="stats reload running patch rebuild update notify do_start do_stop"
+description_reload="Reloads the nsd database file."
+description_running="Prints message and exits nonzero if server is not running."
+description_patch="Merge zone transfer changes back to zone files."
+description_rebuild="Compile database file from zone files."
+description_update="Try to update all slave zones hosted on this server."
+description_notify="Send notify messages to all secondary servers."
+description_do_start="Internal command; use 'start' instead."
+description_do_stop="Internal command; use 'stop' instead."
+
+depend() {
+ need net
+ after firewall
+}
+
+#
+# You sure heard this many times before: NO USER SERVICEABLE PARTS BELOW
+#
+
+# see if user selects a different config file, with -c <filename>
+if test "x$1" = "x-c"; then
+ shift
+ if [ -e $1 ]; then
+ configfile=$1
+ shift
+ else
+ echo "`basename $0`: Config file "$1" does not exist."
+ exit 1
+ fi
+fi
+
+# locate nsd-checkconf : in sbindir, PATH, nsdc_dir or .
+nsd_checkconf=""
+if [ -e ${sbindir}/nsd-checkconf ]; then
+ nsd_checkconf=${sbindir}/nsd-checkconf
+else
+ if which nsd-checkconf >/dev/null 2>&1 ; then
+ if which nsd-checkconf 2>&1 | grep "^[Nn]o " >/dev/null; then
+ nsd_checkconf=""
+ else
+ nsd_checkconf=`which nsd-checkconf`
+ fi
+ fi
+ if [ -z "${nsd_checkconf}" -a -e `dirname $0`/nsd-checkconf ]; then
+ nsd_checkconf=`dirname $0`/nsd-checkconf
+ fi
+ if [ -z "${nsd_checkconf}" -a -e ./nsd-checkconf ]; then
+ nsd_checkconf=./nsd-checkconf
+ fi
+ if [ -z "${nsd_checkconf}" ]; then
+ echo "`basename $0`: Could not find nsd programs" \
+ "in $sbindir, in PATH=$PATH, in cwd=`pwd`," \
+ "or in dir of nsdc=`dirname $0`"
+ exit 1
+ fi
+fi
+
+# check the config syntax before using it
+${nsd_checkconf} ${configfile}
+if test $? -ne 0 ; then
+ ${initd} describe
+ exit 1
+fi
+
+# Read some settings from the config file.
+dbfile=`${nsd_checkconf} -o database ${configfile}`
+pidfile=`${nsd_checkconf} -o pidfile ${configfile}`
+difffile=`${nsd_checkconf} -o difffile ${configfile}`
+zonesdir=`${nsd_checkconf} -o zonesdir ${configfile}`
+lockfile="${dbfile}.lock" # still needed
+sbindir=`dirname ${nsd_checkconf}`
+
+# move to zonesdir (if specified), and make absolute pathnames.
+if test -n "${zonesdir}"; then
+ zonesdir=`dirname ${zonesdir}/.`
+ if echo "${zonesdir}" | grep "^[^/]" >/dev/null; then
+ zonesdir=`pwd`/${zonesdir}
+ fi
+ if echo "${dbfile}" | grep "^[^/]" >/dev/null; then
+ dbfile=${zonesdir}/${dbfile}
+ fi
+ if echo "${pidfile}" | grep "^[^/]" >/dev/null; then
+ pidfile=${zonesdir}/${pidfile}
+ fi
+ if echo "${lockfile}" | grep "^[^/]" >/dev/null; then
+ lockfile=${zonesdir}/${lockfile}
+ fi
+ if echo "${difffile}" | grep "^[^/]" >/dev/null; then
+ difffile=${zonesdir}/${difffile}
+ fi
+fi
+
+# for bash: -C or noclobber. For tcsh: noclobber. For bourne: -C.
+noclobber_set="set -C"
+# ugly check for tcsh
+if echo /bin/sh | grep tcsh >/dev/null; then
+ noclobber_set="set noclobber"
+fi
+
+#
+# useful routines
+#
+signal() {
+ if [ -s ${pidfile} ]
+ then
+ kill -"$1" `cat ${pidfile}` && return 0
+ else
+ echo "nsd is not running"
+ fi
+ return 1
+}
+
+lock_file() {
+ (umask 222; ${noclobber_set}; echo "$$" >${lockfile})
+}
+
+lock() {
+ lock_file
+ if [ $? = 1 ]
+ then
+ # check if the lockfile has not gone stale
+ LPID=`cat ${lockfile}`
+ echo database locked by PID: $LPID
+ if kill -0 $LPID 2>/dev/null; then
+ exit 1
+ fi
+
+ # locking process does not exist, consider lockfile stale
+ echo stale lockfile, removing... && rm -f ${lockfile} && lock_file
+ fi
+
+ if [ $? = 1 ]
+ then
+ echo lock failed
+ exit 1
+ fi
+ return 0
+}
+
+unlock() {
+ rm -f ${lockfile}
+}
+
+do_start() {
+ if test -x ${sbindir}/nsd; then
+ ${sbindir}/nsd -c ${configfile}
+ test $? = 0 || (echo "nsd startup failed."; exit 1)
+ else
+ echo "${sbindir}/nsd not an executable file, nsd startup failed."; exit 1
+ fi
+}
+
+controlled_sleep() {
+ if [ $1 -ge 25 ]; then
+ sleep 1
+ fi
+}
+
+controlled_stop() {
+ pid=$1
+ try=1
+
+ while [ $try -ne 0 ]; do
+ if [ ${try} -gt 50 ]; then
+ echo "nsdc stop failed"
+ return 1
+ else
+ if [ $try -eq 1 ]; then
+ kill -TERM ${pid}
+ else
+ kill -TERM ${pid} >/dev/null 2>&1
+ fi
+
+ # really stopped?
+ kill -0 ${pid} >/dev/null 2>&1
+ if [ $? -eq 0 ]; then
+ controlled_sleep ${try}
+ try=`expr ${try} + 1`
+ else
+ try=0
+ fi
+ fi
+ done
+
+ return 0
+}
+
+do_controlled_stop() {
+ if [ -s ${pidfile} ]; then
+ pid=`cat ${pidfile}`
+ controlled_stop ${pid} && return 0
+ else
+ echo "nsd is not running, starting anyway" && return 0
+ fi
+ return 1
+}
+
+do_stop() {
+ signal "TERM"
+}
+
+do_reload() {
+ signal "HUP"
+}
+
+# send_updates zone_name {ip_spec key_spec}
+send_updates() {
+ local zonename=$1
+ shift 1
+ # extract port number (if any)
+ port=`${nsd_checkconf} -o port ${configfile}`
+ if test -n "${port}"; then
+ port="-p ${port}"
+ fi
+ update_sent="no"
+
+ while test $# -gt 0; do
+ ip_spec=$1
+ key_spec=$2
+ shift 2
+ # only localhost is allowed.
+ # see if zone has 127.0.0.1 or ::1 as allowed.
+ if test Z${ip_spec} = "Z127.0.0.1" -o Z${ip_spec} = "Z::1"; then
+ secret=""
+ if test K${key_spec} != KNOKEY -a K${key_spec} != KBLOCKED; then
+ secret=`${nsd_checkconf} -s ${key_spec} ${configfile}`
+ algo=`${nsd_checkconf} -a ${key_spec} ${configfile}`
+ secret="-y ${key_spec}:${secret}:${algo}"
+ fi
+ if test K${key_spec} != KBLOCKED; then
+ #echo "${sbindir}/nsd-notify -a ${ip_spec} ${port} ${secret} -z ${zonename} ${ip_spec}"
+ ${sbindir}/nsd-notify -a ${ip_spec} ${port} ${secret} -z ${zonename} ${ip_spec} && update_sent="yes"
+ fi
+ fi
+ done
+ if test ${update_sent} = no; then
+ req_xfr=`${nsd_checkconf} -z "${zonename}" -o request-xfr ${configfile}`
+ if test -n "${req_xfr}"; then
+ # must be a slave zone (has request-xfr).
+ echo "`basename $0`: Could not send notify for slave zone ${zonename}: not configured (with allow-notify: 127.0.0.1 or ::1)"
+ fi
+ fi
+}
+
+# send_notify zone_name ifc_spec {ip_spec key_spec}
+send_notify() {
+ local zonename=$1
+ # set local interface
+ ifc_spec=""
+ if test I$2 != INOIFC; then
+ ifc_spec="-a $2"
+ fi
+ shift 2
+
+ while test $# -gt 0; do
+ ip_spec=$1
+ key_spec=$2
+ shift 2
+ secret=""
+
+ if test K${key_spec} != KNOKEY -a K${key_spec} != KBLOCKED; then
+ secret=`${nsd_checkconf} -s ${key_spec} ${configfile}`
+ algo=`${nsd_checkconf} -a ${key_spec} ${configfile}`
+ secret="-y ${key_spec}:${secret}:${algo}"
+ fi
+ if test K${key_spec} != KBLOCKED; then
+ port=""
+ ipaddr=${ip_spec}
+ if echo ${ip_spec} | grep @ >/dev/null; then
+ port="-p "`echo ${ip_spec} | sed -e 's/[^@]*@\([0-9]*\)/\1/'`
+ ipaddr=`echo ${ip_spec} | sed -e 's/\([^@]*\)@[0-9]*/\1/'`
+ fi
+ #echo "${sbindir}/nsd-notify ${ifc_spec} ${port} ${secret} -z ${zonename} ${ipaddr}"
+ ${sbindir}/nsd-notify ${ifc_spec} ${port} ${secret} -z ${zonename} ${ipaddr}
+ fi
+ done
+}
+
+# do_patch {with-textfile}
+do_patch() {
+ if test I$1 = I1; then
+ lock && mv ${difffile} ${difffile}.$$ && \
+ ${sbindir}/nsd-patch -c ${configfile} -x ${difffile}.$$ && \
+ rm -f ${difffile}.$$ && unlock && do_rebuild
+ result=$?
+ else # without textfile
+ lock && mv ${difffile} ${difffile}.$$ && \
+ ${sbindir}/nsd-patch -c ${configfile} -x ${difffile}.$$ -s -o ${dbfile}.$$ \
+ && rm -f ${difffile}.$$ && unlock && \
+ mv ${dbfile}.$$ ${dbfile}
+ result=$?
+ fi
+
+ return ${result}
+}
+
+do_rebuild() {
+ lock && \
+ ${sbindir}/zonec ${ZONEC_VERBOSE} -c ${configfile} -f ${dbfile}.$$ && \
+ mv ${dbfile}.$$ ${dbfile}
+ result=$?
+ unlock
+ [ $result != 0 ] && echo "${dbfile} is unmodified"
+ rm -f ${dbfile}.$$
+ return ${result}
+}
+
+start() {
+ ebegin "Starting ${name}"
+ if test -s ${pidfile} && kill -"0" `cat ${pidfile}`
+ then
+ (echo "process `cat ${pidfile}` exists, please use restart"; exit 1)
+ else
+ start-stop-daemon --start --quiet \
+ --pidfile ${pidfile} \
+ --exec ${initd} -- do_start
+ fi
+ eend $?
+}
+
+stop() {
+ ebegin "Stopping ${name}"
+ start-stop-daemon --stop --quiet \
+ --pidfile ${pidfile} \
+ --exec ${initd} -- do_stop
+ eend $?
+}
+
+stats() {
+ signal "USR1"
+}
+
+reload() {
+ do_reload
+}
+
+running() {
+ signal "0"
+}
+
+patch() {
+ # patch queue clearen
+ if test -s ${difffile}; then
+ #${sbindir}/nsd-patch -c ${configfile} -x ${difffile} -l #debug
+ #echo ${sbindir}/nsd-patch -c ${configfile} -x ${difffile}
+ if do_patch ${PATCH_STYLE}; then
+ do_reload
+ else
+ unlock
+ # try to move back the transfer data
+ if [ -e ${difffile}.$$ -a ! -e ${difffile} ]; then
+ mv ${difffile}.$$ ${difffile}
+ fi
+ echo "`basename $0`: patch failed."
+ exit 1
+ fi
+ else
+ echo "`basename $0`: no patch necessary."
+ fi
+}
+
+rebuild() {
+ do_rebuild
+}
+
+update() {
+ # send notifies to localhost for all zones that allow it
+ echo "Sending notify to localhost to update secondary zones..."
+ if [ -s ${pidfile} ]; then
+ zoneslist=`${nsd_checkconf} -o zones ${configfile}`
+ for zonename in ${zoneslist}; do
+ notify_allow=`${nsd_checkconf} -z "${zonename}" -o allow-notify ${configfile}`
+ if test "" != "${notify_allow}"; then
+ send_updates ${zonename} ${notify_allow}
+ fi
+ done
+ else
+ echo "nsd is not running"
+ fi
+}
+
+notify() {
+ # send notifies to all slaves
+ echo "Sending notify to slave servers..."
+ zoneslist=`${nsd_checkconf} -o zones ${configfile}`
+ for zonename in ${zoneslist}; do
+ notify=`${nsd_checkconf} -z "${zonename}" -o notify ${configfile}`
+ local_ifc=`${nsd_checkconf} -z "${zonename}" -o outgoing-interface ${configfile}`
+ if test "" = "${local_ifc}"; then
+ local_ifc="NOIFC"
+ fi
+ if test "" != "${notify}"; then
+ for ifc in ${local_ifc}; do
+ send_notify ${zonename} ${ifc} ${notify}
+ done
+ fi
+ done
+}
+
+restart() {
+ do_controlled_stop && do_start
+}