mirror of
https://github.com/pi-hole/dnsmasq.git
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Accumulated 2.60 changes going into git
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Simon Kelley
266
debian/init
vendored
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266
debian/init
vendored
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#!/bin/sh
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### BEGIN INIT INFO
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# Provides: dnsmasq
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# Required-Start: $network $remote_fs $syslog
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# Required-Stop: $network $remote_fs $syslog
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# Default-Start: 2 3 4 5
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# Default-Stop: 0 1 6
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# Description: DHCP and DNS server
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### END INIT INFO
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set +e # Don't exit on error status
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PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
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DAEMON=/usr/sbin/dnsmasq
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NAME=dnsmasq
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DESC="DNS forwarder and DHCP server"
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# Most configuration options in /etc/default/dnsmasq are deprecated
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# but still honoured.
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ENABLED=1
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if [ -r /etc/default/$NAME ]; then
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. /etc/default/$NAME
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fi
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# Get the system locale, so that messages are in the correct language, and the
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# charset for IDN is correct
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if [ -r /etc/default/locale ]; then
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. /etc/default/locale
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export LANG
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fi
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test -x $DAEMON || exit 0
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# Provide skeleton LSB log functions for backports which don't have LSB functions.
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if [ -f /lib/lsb/init-functions ]; then
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. /lib/lsb/init-functions
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else
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log_warning_msg () {
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echo "${@}."
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}
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log_success_msg () {
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echo "${@}."
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}
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log_daemon_msg () {
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echo -n "${1}: $2"
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}
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log_end_msg () {
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if [ $1 -eq 0 ]; then
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echo "."
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elif [ $1 -eq 255 ]; then
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/bin/echo -e " (warning)."
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else
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/bin/echo -e " failed!"
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fi
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}
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fi
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# RESOLV_CONF:
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# If the resolvconf package is installed then use the resolv conf file
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# that it provides as the default. Otherwise use /etc/resolv.conf as
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# the default.
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#
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# If IGNORE_RESOLVCONF is set in /etc/default/dnsmasq or an explicit
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# filename is set there then this inhibits the use of the resolvconf-provided
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# information.
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#
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# Note that if the resolvconf package is installed it is not possible to
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# override it just by configuration in /etc/dnsmasq.conf, it is necessary
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# to set IGNORE_RESOLVCONF=yes in /etc/default/dnsmasq.
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if [ ! "$RESOLV_CONF" ] &&
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[ "$IGNORE_RESOLVCONF" != "yes" ] &&
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[ -x /sbin/resolvconf ]
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then
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RESOLV_CONF=/var/run/dnsmasq/resolv.conf
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fi
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for INTERFACE in $DNSMASQ_INTERFACE; do
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DNSMASQ_INTERFACES="$DNSMASQ_INTERFACES -i $INTERFACE"
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done
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for INTERFACE in $DNSMASQ_EXCEPT; do
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DNSMASQ_INTERFACES="$DNSMASQ_INTERFACES -I $INTERFACE"
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done
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if [ ! "$DNSMASQ_USER" ]; then
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DNSMASQ_USER="dnsmasq"
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fi
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start()
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{
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# Return
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# 0 if daemon has been started
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# 1 if daemon was already running
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# 2 if daemon could not be started
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# /var/run may be volatile, so we need to ensure that
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# /var/run/dnsmasq exists here as well as in postinst
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if [ ! -d /var/run/dnsmasq ]; then
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mkdir /var/run/dnsmasq || return 2
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chown dnsmasq:nogroup /var/run/dnsmasq || return 2
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fi
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start-stop-daemon --start --quiet --pidfile /var/run/dnsmasq/$NAME.pid --exec $DAEMON --test > /dev/null || return 1
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start-stop-daemon --start --quiet --pidfile /var/run/dnsmasq/$NAME.pid --exec $DAEMON -- \
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-x /var/run/dnsmasq/$NAME.pid \
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${MAILHOSTNAME:+ -m $MAILHOSTNAME} \
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${MAILTARGET:+ -t $MAILTARGET} \
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${DNSMASQ_USER:+ -u $DNSMASQ_USER} \
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${DNSMASQ_INTERFACES:+ $DNSMASQ_INTERFACES} \
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${DHCP_LEASE:+ -l $DHCP_LEASE} \
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${DOMAIN_SUFFIX:+ -s $DOMAIN_SUFFIX} \
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${RESOLV_CONF:+ -r $RESOLV_CONF} \
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${CACHESIZE:+ -c $CACHESIZE} \
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${CONFIG_DIR:+ -7 $CONFIG_DIR} \
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${DNSMASQ_OPTS:+ $DNSMASQ_OPTS} \
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|| return 2
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}
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start_resolvconf()
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{
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# If interface "lo" is explicitly disabled in /etc/default/dnsmasq
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# Then dnsmasq won't be providing local DNS, so don't add it to
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# the resolvconf server set.
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for interface in $DNSMASQ_EXCEPT
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do
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[ $interface = lo ] && return
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done
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if [ -x /sbin/resolvconf ] ; then
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echo "nameserver 127.0.0.1" | /sbin/resolvconf -a lo.$NAME
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fi
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return 0
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}
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stop()
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{
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# Return
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# 0 if daemon has been stopped
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# 1 if daemon was already stopped
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# 2 if daemon could not be stopped
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# other if a failure occurred
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start-stop-daemon --stop --quiet --retry=TERM/30/KILL/5 --pidfile /var/run/dnsmasq/$NAME.pid --name $NAME
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RETVAL="$?"
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[ "$RETVAL" = 2 ] && return 2
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return "$RETVAL"
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}
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stop_resolvconf()
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{
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if [ -x /sbin/resolvconf ] ; then
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/sbin/resolvconf -d lo.$NAME
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fi
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return 0
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}
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status()
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{
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# Return
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# 0 if daemon is running
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# 1 if daemon is dead and pid file exists
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# 3 if daemon is not running
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# 4 if daemon status is unknown
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start-stop-daemon --start --quiet --pidfile /var/run/dnsmasq/$NAME.pid --exec $DAEMON --test > /dev/null
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case "$?" in
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0) [ -e "/var/run/dnsmasq/$NAME.pid" ] && return 1 ; return 3 ;;
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1) return 0 ;;
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*) return 4 ;;
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esac
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}
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case "$1" in
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start)
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test "$ENABLED" != "0" || exit 0
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log_daemon_msg "Starting $DESC" "$NAME"
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start
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case "$?" in
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0)
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log_end_msg 0
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start_resolvconf
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exit 0
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;;
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1)
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log_success_msg "(already running)"
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exit 0
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;;
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*)
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log_end_msg 1
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exit 1
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;;
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esac
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;;
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stop)
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stop_resolvconf
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if [ "$ENABLED" != "0" ]; then
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log_daemon_msg "Stopping $DESC" "$NAME"
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fi
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stop
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RETVAL="$?"
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if [ "$ENABLED" = "0" ]; then
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case "$RETVAL" in
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0) log_daemon_msg "Stopping $DESC" "$NAME"; log_end_msg 0 ;;
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esac
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exit 0
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fi
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case "$RETVAL" in
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0) log_end_msg 0 ; exit 0 ;;
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1) log_warning_msg "(not running)" ; exit 0 ;;
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*) log_end_msg 1; exit 1 ;;
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esac
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;;
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restart|force-reload)
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test "$ENABLED" != "0" || exit 1
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$DAEMON --test ${CONFIG_DIR:+ -7 $CONFIG_DIR} ${DNSMASQ_OPTS:+ $DNSMASQ_OPTS} >/dev/null 2>&1
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if [ $? -ne 0 ]; then
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NAME="configuration syntax check"
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RETVAL="2"
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else
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stop_resolvconf
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stop
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RETVAL="$?"
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fi
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log_daemon_msg "Restarting $DESC" "$NAME"
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case "$RETVAL" in
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0|1)
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sleep 2
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start
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case "$?" in
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0)
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log_end_msg 0
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start_resolvconf
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exit 0
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;;
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*)
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log_end_msg 1
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exit 1
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;;
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esac
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;;
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*)
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log_end_msg 1
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exit 1
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;;
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esac
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;;
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status)
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log_daemon_msg "Checking $DESC" "$NAME"
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status
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case "$?" in
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0) log_success_msg "(running)" ; exit 0 ;;
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1) log_success_msg "(dead, pid file exists)" ; exit 1 ;;
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3) log_success_msg "(not running)" ; exit 3 ;;
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*) log_success_msg "(unknown)" ; exit 4 ;;
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esac
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;;
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*)
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echo "Usage: /etc/init.d/$NAME {start|stop|restart|force-reload|status}" >&2
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exit 3
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;;
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esac
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exit 0
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