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author | Silvio Rhatto <rhatto@riseup.net> | 2024-08-20 21:01:18 -0300 |
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committer | Silvio Rhatto <rhatto@riseup.net> | 2024-08-20 21:01:18 -0300 |
commit | 045d76eadd078b7cd9247fdc27ee00242d3782ac (patch) | |
tree | f910f2cd17536978d818580b9f140a278208428c /openvpn-resolv-conf | |
download | utils-sys-045d76eadd078b7cd9247fdc27ee00242d3782ac.tar.gz utils-sys-045d76eadd078b7cd9247fdc27ee00242d3782ac.tar.bz2 |
Initial importmain
Diffstat (limited to 'openvpn-resolv-conf')
-rwxr-xr-x | openvpn-resolv-conf | 46 |
1 files changed, 46 insertions, 0 deletions
diff --git a/openvpn-resolv-conf b/openvpn-resolv-conf new file mode 100755 index 0000000..8c525cd --- /dev/null +++ b/openvpn-resolv-conf @@ -0,0 +1,46 @@ +#!/bin/bash +# +# Parses DHCP options from OpenVPN to update resolv.conf. +# To use set as 'up' and 'down' script in your openvpn config: +# up /etc/openvpn/update-resolv-conf +# down /etc/openvpn/update-resolv-conf +# +# credit: +# * Thomas Hood <jdthood@yahoo.co.uk> +# * Chris Hanson +# * chlauber@bnc.ch +# +# Licensed under the GNU GPL + +[ -x /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="$part3" + fi + fi + done + R="" + if [ "$IF_DNS_SEARCH" ] ; then + R="${R}search $IF_DNS_SEARCH\n" + fi + for NS in $IF_DNS_NAMESERVERS ; do + R="${R}nameserver $NS" + done + echo -n "$R" | /sbin/resolvconf -a "${dev}.inet" + ;; + down) + /sbin/resolvconf -d "${dev}.inet" + ;; +esac |