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5a12e7c134
Wed Aug 26 10:00:38 CDT 2009 Slackware 13.0 x86_64 is released as stable! Thanks to everyone who helped make this release possible -- see the RELEASE_NOTES for the credits. The ISOs are off to the replicator. This time it will be a 6 CD-ROM 32-bit set and a dual-sided 32-bit/64-bit x86/x86_64 DVD. We're taking pre-orders now at store.slackware.com. Please consider picking up a copy to help support the project. Once again, thanks to the entire Slackware community for all the help testing and fixing things and offering suggestions during this development cycle. As always, have fun and enjoy! -P.
112 lines
3 KiB
Bash
112 lines
3 KiB
Bash
#!/bin/sh
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# Start/stop/restart the BIND name server daemon (named).
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# Start bind. In the past it was more secure to run BIND
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# as a non-root user (for example, with '-u daemon'), but
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# the modern version of BIND knows how to use the kernel's
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# capability mechanism to drop all root privileges except
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# the ability to bind() to a privileged port and set process
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# resource limits, so -u should not be needed. If you wish
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# to use it anyway, chown the /var/run/named directory to
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# the non-root user.
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#
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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
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# it is not within the scope of this start/stop/restart script
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# to support. For more details, see "man rndc" or just type
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# "rndc" to see the options.
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# Sanity check. If either /usr/sbin/named or /etc/named.conf
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# aren't ready, it doesn't make much sense to try to run this
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# 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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elif [ ! -f /etc/named.conf ]; then
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echo "/etc/rc.d/rc.bind: no /etc/named.conf found; cannot start /usr/sbin/named."
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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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if [ -x /usr/sbin/named ]; then
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echo "Starting BIND: /usr/sbin/named"
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/usr/sbin/named
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sleep 1
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fi
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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"
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/usr/sbin/named
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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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echo "Stopping BIND: /usr/sbin/rndc stop"
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/usr/sbin/rndc stop
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# A problem with using "/usr/sbin/rndc stop" is that if you
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# managed to get multiple copies of named running it will
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# only stop one of them and then can't stop the others even
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# if you run it again. So, after doing things the nice way
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# we'll do them the old-fashioned way. If you don't like
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# it you can comment it out, but unless you have a lot of
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# other programs you run called "named" this is unlikely
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# to have any ill effects:
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sleep 1
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if ps axc | grep -q named ; then
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echo "Using "killall named" on additional BIND processes..."
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/bin/killall 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 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 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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