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33d703602d
a/coreutils-9.0-x86_64-1.txz: Upgraded. Thanks to GazL for pointing out where I needed to be looking in the code to stick with the traditional (for us, anyway) ls quoting style. n/ca-certificates-20210924-noarch-1.txz: Upgraded. Removed DST_Root_CA_X3.crt. n/cifs-utils-6.14-x86_64-1.txz: Upgraded.
136 lines
3.9 KiB
Bash
136 lines
3.9 KiB
Bash
#!/bin/sh
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# Start/stop/restart the BIND name server daemon (named).
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# Start BIND. By default this will run with user "named". If you'd like to
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# change this or other options, see: /etc/default/named
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# You might also consider running BIND in a "chroot jail",
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# a discussion of which may be found in
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# /usr/doc/Linux-HOWTOs/Chroot-BIND-HOWTO.
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# One last note: rndc has a lot of other nice features that it is not
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# within the scope of this start/stop/restart script to support.
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# For more details, see "man rndc" or just type "rndc" to see the options.
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# Load command defaults:
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if [ -f /etc/default/named ] ; then . /etc/default/named ; fi
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if [ -f /etc/default/rndc ] ; then . /etc/default/rndc ; fi
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# In case /etc/default/named was missing, provide fallbacks:
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if [ -z "$NAMED_USER" ]; then
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NAMED_USER="named"
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fi
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if [ -z "$NAMED_GROUP" ]; then
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NAMED_GROUP="named"
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fi
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if [ -z "$NAMED_OPTIONS" ]; then
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NAMED_OPTIONS="-u $NAMED_USER"
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fi
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# Sanity check. If /usr/sbin/named is missing then it
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# doesn't make much sense to try to run this script:
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if [ ! -x /usr/sbin/named ]; then
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echo "/etc/rc.d/rc.bind: no /usr/sbin/named found (or not executable); cannot start."
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exit 1
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fi
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# Start BIND. As many times as you like. ;-)
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# Seriously, don't run "rc.bind start" if BIND is already
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# running or you'll get more than one copy running.
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bind_start() {
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# Make sure /var/run/named exists:
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mkdir -p /var/run/named
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# Make sure that /var/run/named has correct ownership:
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chown -R ${NAMED_USER}:${NAMED_GROUP} /var/run/named
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# Make sure that /var/named has correct ownership:
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chown -R ${NAMED_USER}:${NAMED_GROUP} /var/named
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if [ -r /etc/rndc.key ]; then
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# Make sure that /etc/rndc.key has correct ownership:
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chown ${NAMED_USER}:${NAMED_GROUP} /etc/rndc.key
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fi
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# Start named:
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if [ -x /usr/sbin/named ]; then
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echo "Starting BIND: /usr/sbin/named $NAMED_OPTIONS"
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/usr/sbin/named $NAMED_OPTIONS
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sleep 1
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fi
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# Make sure that named started:
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if ! ps axc | grep -q named ; then
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echo "WARNING: named did not start."
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echo "Attempting to start named again: /usr/sbin/named $NAMED_OPTIONS"
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/usr/sbin/named $NAMED_OPTIONS
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sleep 1
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if ps axc | grep -q named ; then
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echo "SUCCESS: named started."
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else
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echo "FAILED: Sorry, a second attempt to start named has also failed."
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echo "There may be a configuration error that needs fixing. Good luck!"
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fi
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fi
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}
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# Stop all running copies of BIND (/usr/sbin/named):
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bind_stop() {
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# If you've set up rndc, we can use this to make shutting down BIND faster.
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# If you have /etc/rndc.conf, or you have /etc/rndc.key, or $RNDC_OPTIONS is
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# not empty, we'll try it.
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if [ -r /etc/rndc.conf -o -r /etc/rndc.key -o ! -z "$RNDC_OPTIONS" ]; then
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if [ -z "$RNDC_OPTIONS" ]; then
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echo "Stopping BIND: /usr/sbin/rndc stop"
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else
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echo "Stopping BIND: /usr/sbin/rndc $RNDC_OPTIONS stop"
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fi
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/usr/sbin/rndc $RNDC_OPTIONS stop
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# Wait for up to $TIMEOUT seconds before moving on to try killall:
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TIMEOUT=${TIMEOUT:-10}
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while [ "$TIMEOUT" -gt "0" ]; do
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# Exit the timeout loop if there are no named processes:
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if ! ps axco command | grep -q -e "^named$"; then
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break
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fi
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sleep 1
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TIMEOUT=$(expr $TIMEOUT - 1)
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done
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fi
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# Kill named processes if there are any running:
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if ps axco command | grep -q -e "^named$"; then
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echo "Stopping all named processes in this namespace: /bin/killall -SIGTERM --ns \$\$ named"
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/bin/killall -SIGTERM --ns $$ named 2> /dev/null
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fi
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}
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# Reload BIND:
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bind_reload() {
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/usr/sbin/rndc $RNDC_OPTIONS reload
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}
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# Restart BIND:
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bind_restart() {
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bind_stop
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bind_start
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}
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# Get BIND status:
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bind_status() {
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/usr/sbin/rndc $RNDC_OPTIONS status
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}
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case "$1" in
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'start')
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bind_start
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;;
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'stop')
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bind_stop
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;;
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'reload')
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bind_reload
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;;
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'restart')
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bind_restart
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;;
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'status')
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bind_status
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;;
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*)
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echo "usage $0 start|stop|reload|restart|status"
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esac
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