Advertisement
Not a member of Pastebin yet?
Sign Up,
it unlocks many cool features!
- #!/bin/bash
- #
- # Parses DHCP options from openvpn to update resolv.conf
- # To use set as 'up' and 'down' script in your openvpn *.conf:
- # up /etc/openvpn/update-resolv-conf
- # down /etc/openvpn/update-resolv-conf
- #
- # Used snippets of resolvconf script by Thomas Hood <jdthood@yahoo.co.uk>
- # and Chris Hanson
- # Licensed under the GNU GPL. See /usr/share/common-licenses/GPL.
- # 07/2013 colin@daedrum.net Fixed intet name
- # 05/2006 chlauber@bnc.ch
- #
- # Example envs set from openvpn:
- # foreign_option_1='dhcp-option DNS 193.43.27.132'
- # foreign_option_2='dhcp-option DNS 193.43.27.133'
- # foreign_option_3='dhcp-option DOMAIN be.bnc.ch'
- # foreign_option_4='dhcp-option DOMAIN-SEARCH bnc.local'
- set -e
- ## You might need to set the path manually here, i.e.
- # RESOLVCONF=/usr/bin/resolvconf
- RESOLVCONF=$(which resolvconf)
- [ -x $RESOLVCONF ] || exit 0
- case $script_type in
- up)
- for optionname in ${!foreign_option_*} ; do
- option="${!optionname}"
- echo $option
- part1=$(echo "$option" | cut -d " " -f 1)
- if [ "$part1" == "dhcp-option" ] ; then
- part2=$(echo "$option" | cut -d " " -f 2)
- part3=$(echo "$option" | cut -d " " -f 3)
- if [ "$part2" == "DNS" ] ; then
- IF_DNS_NAMESERVERS="$IF_DNS_NAMESERVERS $part3"
- fi
- if [[ "$part2" == "DOMAIN" || "$part2" == "DOMAIN-SEARCH" ]] ; then
- IF_DNS_SEARCH="$IF_DNS_SEARCH $part3"
- fi
- fi
- done
- R=""
- for DS in $IF_DNS_SEARCH ; do
- R="${R}search $DS
- "
- done
- for NS in $IF_DNS_NAMESERVERS ; do
- R="${R}nameserver $NS
- "
- done
- #echo -n "$R" | $RESOLVCONF -p -a "${dev}"
- echo -n "$R" | $RESOLVCONF -a "${dev}.inet"
- ;;
- down)
- $RESOLVCONF -d "${dev}.inet"
- ;;
- esac
Advertisement
Add Comment
Please, Sign In to add comment
Advertisement