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-rw-r--r--debian/update-resolv-conf54
1 files changed, 54 insertions, 0 deletions
diff --git a/debian/update-resolv-conf b/debian/update-resolv-conf
new file mode 100644
index 0000000..e835ba4
--- /dev/null
+++ b/debian/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 /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" | /sbin/resolvconf -a "${dev}.inet"
+ ;;
+down)
+ /sbin/resolvconf -d "${dev}.inet"
+ ;;
+esac
+