meta-starlingx/meta-stx-integ/recipes-support/dnsmasq/dnsmasq/dnsmasq-resolvconf-helper

   1 #!/bin/bash
   2 #
   3 # Borrowing heavily from the dnsmasq initscript's version of support for
   4 # resolvconf, intended for use in systemd-only configurations.
   5 #
   6 PATH=/usr/local/sbin:/usr/local/bin:/sbin:/bin:/usr/sbin:/usr/bin
   7 DAEMON=/usr/sbin/dnsmasq
   8 NAME=dnsmasq
   9
  10 # Most configuration options in /etc/default/dnsmasq are deprecated
  11 # but still honoured.
  12 if [ -r /etc/default/$NAME ]; then
  13    . /etc/default/$NAME
  14 fi
  15
  16 start_resolvconf()
  17 {
  18    # If interface "lo" is explicitly disabled in /etc/default/dnsmasq
  19    # Then dnsmasq won't be providing local DNS, so don't add it to
  20    # the resolvconf server set.
  21    for interface in $DNSMASQ_EXCEPT
  22    do
  23       [ $interface = lo ] && return
  24    done
  25
  26    if [ -x /sbin/resolvconf ] ; then
  27       echo "nameserver 127.0.0.1" |
  28       /sbin/resolvconf -a lo.$NAME
  29    fi
  30    return 0
  31 }
  32
  33 stop_resolvconf()
  34 {
  35    if [ -x /sbin/resolvconf ] ; then
  36       /sbin/resolvconf -d lo.$NAME
  37    fi
  38    return 0
  39 }
  40
  41 case "$1" in
  42    start)
  43       start_resolvconf
  44       exit 0
  45       ;;
  46    stop)
  47       stop_resolvconf
  48       exit 0
  49       ;;
  50    restart)
  51       stop_resolvconf
  52       start_resolvconf
  53       exit 0
  54       ;;
  55    *)
  56       echo "Usage: /etc/init.d/$NAME {start|stop|restart}" >&2
  57       exit 3
  58       ;;
  59 esac
  60
  61 exit 0
  62