77 lines
2.3 KiB
Bash
77 lines
2.3 KiB
Bash
#!/bin/sh
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# Gregory Colpart <reg@debian.org>
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# chroot (or re-chroot) script for bind9
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# tested on Debian Wheezy/Jessie/Stretch
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# Exec this script after `(apt-get|aptitude|apt) install bind9`
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# and after *each* bind9 upgrade
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# When the script is finished, ensure you have
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# 'OPTIONS="-u bind -t /var/chroot-bind"' in /etc/default/bind9
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# and /etc/init.d/bind9 (re)start
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#
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# for Jessie/systemd only:
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# cp -a /lib/systemd/system/bind9.service /etc/systemd/system/
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# and modify section [Service] to have :
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# EnvironmentFile=-/etc/default/bind9
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# ExecStart=/usr/sbin/named -f $OPTIONS
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# essential dirs
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mkdir -p /var/chroot-bind
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mkdir -p /var/chroot-bind/bin /var/chroot-bind/dev /var/chroot-bind/etc \
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/var/chroot-bind/lib /var/chroot-bind/usr/lib \
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/var/chroot-bind/usr/sbin /var/chroot-bind/var/cache/bind \
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/var/chroot-bind/var/log /var/chroot-bind/var/run/named/ \
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/var/chroot-bind/run/named/
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# for conf
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if [ ! -h "/etc/bind" ]; then
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mv /etc/bind/ /var/chroot-bind/etc/
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ln -s /var/chroot-bind/etc/bind/ /etc/bind
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fi
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# for logs
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touch /var/chroot-bind/var/log/bind.log
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if [ ! -h "/var/log/bind.log" ]; then
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ln -s /var/chroot-bind/var/log/bind.log /var/log/bind.log
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fi
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# for pid
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if [ -f "/var/run/named/named.pid" ]; then
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cat /var/run/named/named.pid > /var/chroot-bind/var/run/named/named.pid
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rm -f /var/run/named/named.pid
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fi
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if [ ! -e "/var/chroot-bind/dev/random" ]; then
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mknod /var/chroot-bind/dev/random c 1 8
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chmod 666 /var/chroot-bind/dev/random
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fi
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if [ ! -e "/var/chroot-bind/dev/urandom" ]; then
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mknod /var/chroot-bind/dev/urandom c 1 9
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chmod 666 /var/chroot-bind/dev/urandom
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fi
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# essential dev (hum, null is required ??)
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#mknod /var/chroot-bind/dev/null c 1 3
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#chmod 666 /var/chroot-bind/dev/{null,random}
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# essential libs
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for i in `ldd $(which named) | grep -v linux-vdso.so.1 | cut -d">" -f2 | cut -d"(" -f1` \
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/usr/lib/x86_64-linux-gnu/openssl-1.0.*/engines/libgost.so ; do
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install -D $i /var/chroot-bind/${i##/}
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done
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# essential (hum, bash is required ??)
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#cp /bin/bash /var/chroot-bind/bin/
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cp /usr/sbin/named /var/chroot-bind/usr/sbin/
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# minimal passwd & group file (hum, is required ??)
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#grep "bind\|root" /etc/passwd > /var/chroot-bind/etc/passwd
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#grep "bind\|root" /etc/group > /var/chroot-bind/etc/group
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# just bind
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chown -R bind.bind /var/chroot-bind/
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