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authorSilvio Rhatto <rhatto@riseup.net>2024-08-20 21:01:18 -0300
committerSilvio Rhatto <rhatto@riseup.net>2024-08-20 21:01:18 -0300
commit045d76eadd078b7cd9247fdc27ee00242d3782ac (patch)
treef910f2cd17536978d818580b9f140a278208428c /openvpn-resolv-conf
downloadutils-sys-045d76eadd078b7cd9247fdc27ee00242d3782ac.tar.gz
utils-sys-045d76eadd078b7cd9247fdc27ee00242d3782ac.tar.bz2
Initial importmain
Diffstat (limited to 'openvpn-resolv-conf')
-rwxr-xr-xopenvpn-resolv-conf46
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