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Name	Size	Permission
client	[ DIR ]	drwxr-xr-x
server	[ DIR ]	drwxr-xr-x
update-resolv-conf	1.43 KB	-rwxr-xr-x

Code Editor : update-resolv-conf

#!/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 and Chris Hanson.
# Licensed under the GNU GPL.  See /usr/share/common-licenses/GPL. 
# 
# 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'
#

if [ ! -x /sbin/resolvconf ] ; then
    logger "[OpenVPN:update-resolve-conf] missing binary /sbin/resolvconf";
    exit 0;
fi

[ "$script_type" ] || exit 0
[ "$dev" ] || exit 0

split_into_parts()
{
	part1="$1"
	part2="$2"
	part3="$3"
}

case "$script_type" in
  up)
	NMSRVRS=""
	SRCHS=""
	foreign_options=$(printf '%s\n' ${!foreign_option_*} | sort -t _ -k 3 -g)
	for optionvarname in ${foreign_options} ; do
		option="${!optionvarname}"
		echo "$option"
		split_into_parts $option
		if [ "$part1" = "dhcp-option" ] ; then
			if [ "$part2" = "DNS" ] ; then
				NMSRVRS="${NMSRVRS:+$NMSRVRS }$part3"
			elif [ "$part2" = "DOMAIN" ] ; then
				SRCHS="${SRCHS:+$SRCHS }$part3"
			fi
		fi
	done
	R=""
	[ "$SRCHS" ] && R="search $SRCHS
"
	for NS in $NMSRVRS ; do
        	R="${R}nameserver $NS
"
	done
	echo -n "$R" | /sbin/resolvconf -a "${dev}.openvpn"
	;;
  down)
	/sbin/resolvconf -d "${dev}.openvpn"
	;;
esac

${this.title}

Code Editor : update-resolv-conf