projects / packages / openvpn.git / blame
| Commit | Line | Data |
|---|---|---|
| 98b3d698 ER |
1 | #!/bin/bash |
| 2 | # | |
| 3 | # Parses DHCP options from openvpn to update resolv.conf | |
| 4 | # To use set as 'up' and 'down' script in your openvpn *.conf: | |
| 5ae938dc ER |
5 | # up /usr/lib/openvpn/update-resolv-conf |
| 6 | # down /usr/lib/openvpn/update-resolv-conf | |
| 98b3d698 ER |
7 | # |
| 8 | # Used snippets of resolvconf script by Thomas Hood <jdthood@yahoo.co.uk> | |
| 9 | # and Chris Hanson | |
| 5ae938dc | 10 | # Licensed under the GNU GPL. |
| 98b3d698 ER |
11 | # |
| 12 | # 05/2006 chlauber@bnc.ch | |
| 13 | # | |
| 14 | # Example envs set from openvpn: | |
| 15 | # foreign_option_1='dhcp-option DNS 193.43.27.132' | |
| 16 | # foreign_option_2='dhcp-option DNS 193.43.27.133' | |
| 17 | # foreign_option_3='dhcp-option DOMAIN be.bnc.ch' | |
| 18 | ||
| 19 | [ -x /sbin/resolvconf ] || exit 0 | |
| 20 | ||
| 21 | case $script_type in | |
| 22 | ||
| 23 | up) | |
| 24 | for optionname in ${!foreign_option_*} ; do | |
| 25 | option="${!optionname}" | |
| 26 | echo $option | |
| 27 | part1=$(echo "$option" | cut -d " " -f 1) | |
| 28 | if [ "$part1" == "dhcp-option" ] ; then | |
| 29 | part2=$(echo "$option" | cut -d " " -f 2) | |
| 30 | part3=$(echo "$option" | cut -d " " -f 3) | |
| 31 | if [ "$part2" == "DNS" ] ; then | |
| 32 | IF_DNS_NAMESERVERS="$IF_DNS_NAMESERVERS $part3" | |
| 33 | fi | |
| 34 | if [ "$part2" == "DOMAIN" ] ; then | |
| 35 | IF_DNS_SEARCH="$part3" | |
| 36 | fi | |
| 37 | fi | |
| 38 | done | |
| 39 | R="" | |
| 40 | if [ "$IF_DNS_SEARCH" ] ; then | |
| 41 | R="${R}search $IF_DNS_SEARCH | |
| 42 | " | |
| 43 | fi | |
| 44 | for NS in $IF_DNS_NAMESERVERS ; do | |
| 45 | R="${R}nameserver $NS | |
| 46 | " | |
| 47 | done | |
| 48 | echo -n "$R" | /sbin/resolvconf -a "${dev}.inet" | |
| 49 | ;; | |
| 50 | down) | |
| 51 | /sbin/resolvconf -d "${dev}.inet" | |
| 52 | ;; | |
| 53 | esac | |
| 54 |