trunk/ppp/ip-downd-40-dns.sh

#!/bin/sh

# Restore DNS resolver settings
# Used parameters and environment variables:
# $1 - interface name (e.g. ppp0)
# $USEPEERDNS - set if user specified usepeerdns

if [ "$USEPEERDNS" ]; then
	if [ -x /sbin/resolvconf ]; then
		/sbin/resolvconf -d "$1"
	else
		# taken from debian's 0000usepeerdns
		# follow any symlink to find the real file
		REALRESOLVCONF=$(readlink --canonicalize /etc/resolv.conf)

		if [ "$REALRESOLVCONF" != "/etc/ppp/resolv.conf" ]; then

			# if an old resolv.conf file exists, restore it
			if [ -e $REALRESOLVCONF.pppd-backup ]; then
				mv $REALRESOLVCONF.pppd-backup $REALRESOLVCONF
			fi

		fi
	fi
fi
1	#!/bin/sh
2
3	# Restore DNS resolver settings
4	# Used parameters and environment variables:
5	# $1 - interface name (e.g. ppp0)
6	# $USEPEERDNS - set if user specified usepeerdns
7
8	if [ "$USEPEERDNS" ]; then
9	if [ -x /sbin/resolvconf ]; then
10	/sbin/resolvconf -d "$1"
11	else
12	# taken from debian's 0000usepeerdns
13	# follow any symlink to find the real file
14	REALRESOLVCONF=$(readlink --canonicalize /etc/resolv.conf)
15
16	if [ "$REALRESOLVCONF" != "/etc/ppp/resolv.conf" ]; then
17
18	# if an old resolv.conf file exists, restore it
19	if [ -e $REALRESOLVCONF.pppd-backup ]; then
20	mv $REALRESOLVCONF.pppd-backup $REALRESOLVCONF
21	fi
22
23	fi
24	fi
25	fi