diff options
Diffstat (limited to 'source/n/openresolv/update-resolv-conf')
| -rw-r--r-- | source/n/openresolv/update-resolv-conf | 54 |
1 files changed, 54 insertions, 0 deletions
diff --git a/source/n/openresolv/update-resolv-conf b/source/n/openresolv/update-resolv-conf new file mode 100644 index 00000000..a2026057 --- /dev/null +++ b/source/n/openresolv/update-resolv-conf @@ -0,0 +1,54 @@ +#!/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. +# +# 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' + +[ -x /usr/sbin/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" ] ; then + IF_DNS_SEARCH="$IF_DNS_SEARCH $part3" + fi + fi + done + R="" + for SS in $IF_DNS_SEARCH ; do + R="${R}search $SS +" + done + for NS in $IF_DNS_NAMESERVERS ; do + R="${R}nameserver $NS +" + done + echo -n "$R" | /usr/sbin/resolvconf -x -a "${dev}.inet" + ;; +down) + /usr/sbin/resolvconf -d "${dev}.inet" + ;; +esac + |