net/bind/files/named.init

   1 #!/bin/sh /etc/rc.common
   2 # Copyright (C) 2014 Noah Meyerhans <frodo@morgul.net>
   3 # Licensed under the terms of the GNU General Public License version 2
   4 # or (at your discretion) any later later version
   5
   6 USE_PROCD=1
   7
   8 START=22
   9
  10 config_file=/etc/bind/named.conf
  11 config_dir=$(dirname $config_file)
  12 named_options_file=/etc/bind/named-rndc.conf
  13 rndc_conf_file=/etc/bind/rndc.conf
  14 pid_file=/var/run/named/named.pid
  15
  16 logdir=/var/log/named/
  17 cachedir=/var/cache/bind
  18 libdir=/var/lib/bind
  19 dyndir=/tmp/bind
  20
  21 conf_local_file=$dyndir/named.conf.local
  22
  23 fix_perms() {
  24     for dir in $libdir $logdir $cachedir $dyndir; do
  25         test -e "$dir" || {
  26             mkdir -p "$dir"
  27             chgrp bind "$dir"
  28             chmod g+w "$dir"
  29         }
  30     done
  31 }
  32
  33 no_ipv6() {
  34     [ -z "$(ip -6 -o route show default)" ]
  35 }
  36
  37 reload_service() {
  38     rndc -q reload
  39 }
  40
  41 start_service() {
  42     user_exists bind 57 || user_add bind 57
  43     group_exists bind 57 || group_add bind 57
  44     fix_perms
  45
  46     local runnamed=$(dirname $pid_file)
  47     # with dropped privileges, we need this created for us
  48     [ -d $runnamed ] || {
  49         mkdir -m 0755 $runnamed
  50         chown bind.bind $runnamed
  51     }
  52
  53     local rndc_temp=$(mktemp /tmp/rndc-confgen.XXXXXX)
  54
  55     rndc-confgen > $rndc_temp
  56
  57     sed -r -n \
  58         -e '/^# options \{$/,/^\};$/{ s/^/# / }' \
  59         -e p \
  60         -e '/^# End of rndc\.conf$/q' \
  61         < $rndc_temp > $rndc_conf_file
  62
  63     sed -r -n \
  64         -e '1,/^# End of rndc\.conf$/ { b done }' \
  65         -e '/^# Use with the following in named.conf/ { p ; b done }' \
  66         -e '/^# End of named\.conf$/ { p ; b done }' \
  67         -e '/^# key /,$ { s/^# // ; p }' \
  68         -e ': done' \
  69         < $rndc_temp > $named_options_file
  70
  71     rm -f $rndc_temp
  72
  73     touch $conf_local_file
  74
  75     local args=
  76     [ no_ipv6 ] && args="-4"
  77
  78     procd_open_instance
  79     procd_set_param command /usr/sbin/named -u bind -f $args -c $config_file
  80     procd_set_param file $config_file \
  81                          $config_dir/bind.keys \
  82                          $named_options_file \
  83                          $conf_local_file \
  84                          $config_dir/db.*
  85     procd_set_param respawn
  86     procd_close_instance
  87 }