diff -urN scripts-old/ip-down scripts/ip-down
--- scripts-old/ip-down	1970-01-01 01:00:00.000000000 +0100
+++ scripts/ip-down	2009-08-15 22:16:34.000000000 +0200
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# This script is run by pppd after the link is brought down.
+# It executes all the scripts available in /etc/ppp/ip-down.d directory,
+# with the following parameters:
+# $1 = interface name (e.g. ppp0)
+# $2 = tty device
+# $3 = speed
+# $4 = local IP address
+# $5 = remote IP address
+# $6 = ipparam (user specified parameter, see man pppd)
+
+cd /etc/ppp/ip-down.d || exit
+
+for SCRIPT in *.sh ; do
+	. ./"${SCRIPT}" "$@"
+done
diff -urN scripts-old/ip-down.d/30-wins.sh scripts/ip-down.d/30-wins.sh
--- scripts-old/ip-down.d/30-wins.sh	1970-01-01 01:00:00.000000000 +0100
+++ scripts/ip-down.d/30-wins.sh	2009-08-15 22:16:34.000000000 +0200
@@ -0,0 +1,18 @@
+#!/bin/sh
+
+# Remove WINS servers from smb.conf
+# Used parameters and environment variables:
+# $1 - interface name (e.g. ppp0)
+# $USEPEERWINS - set if user specified usepeerdns
+# $WINS1 and $WINS2 - WINS servers reported by peer
+
+if [ "$USEPEERWINS" = 1 -a -f /etc/samba/smb.conf ]; then
+	# Remove the WINS servers
+	winsservers=
+	[ -n "$WINS1" ] && winsservers="$winsservers $1:$WINS1"
+	[ -n "$WINS2" ] && winsservers="$winsservers $1:$WINS2"
+	sed -i -e "s/^\([[:space:]]*wins[[:space:]]*server[[:space:]]*=[^#]*\) $winsservers /\1/i" /etc/samba/smb.conf
+
+	# Reload nmbd configuration
+	smbcontrol nmbd reload-config
+fi
diff -urN scripts-old/ip-down.d/40-dns.sh scripts/ip-down.d/40-dns.sh
--- scripts-old/ip-down.d/40-dns.sh	1970-01-01 01:00:00.000000000 +0100
+++ scripts/ip-down.d/40-dns.sh	2009-08-15 22:16:34.000000000 +0200
@@ -0,0 +1,25 @@
+#!/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 $REALRESOLVCONF
+			fi
+
+		fi
+	fi
+fi
diff -urN scripts-old/ip-down.d/50-initd.sh scripts/ip-down.d/50-initd.sh
--- scripts-old/ip-down.d/50-initd.sh	1970-01-01 01:00:00.000000000 +0100
+++ scripts/ip-down.d/50-initd.sh	2009-08-15 22:16:34.000000000 +0200
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# Deactivates correspondent net.${iface} service
+# Used parameters and environment variables:
+# $1 - interface name (e.g. ppp0)
+
+if [ -x /etc/init.d/net.$1 ]; then
+	if /etc/init.d/net.$1 --quiet status ; then
+		export IN_BACKGROUND="true"
+		/etc/init.d/net.$1 --quiet stop
+	fi
+fi
diff -urN scripts-old/ip-up scripts/ip-up
--- scripts-old/ip-up	1970-01-01 01:00:00.000000000 +0100
+++ scripts/ip-up	2009-08-15 22:16:34.000000000 +0200
@@ -0,0 +1,17 @@
+#!/bin/sh
+
+# This script is run by pppd after the link is established.
+# It executes all the scripts available in /etc/ppp/ip-up.d directory,
+# with the following parameters:
+# $1 = interface name (e.g. ppp0)
+# $2 = tty device
+# $3 = speed
+# $4 = local IP address
+# $5 = remote IP address
+# $6 = ipparam (user specified parameter, see man pppd)
+
+cd /etc/ppp/ip-up.d || exit
+
+for SCRIPT in *.sh ; do
+	. ./"${SCRIPT}" "$@"
+done
diff -urN scripts-old/ip-up.d/30-wins.sh scripts/ip-up.d/30-wins.sh
--- scripts-old/ip-up.d/30-wins.sh	1970-01-01 01:00:00.000000000 +0100
+++ scripts/ip-up.d/30-wins.sh	2009-08-15 22:16:34.000000000 +0200
@@ -0,0 +1,27 @@
+#!/bin/sh
+
+# Handle smb.conf updating when the usepeerwins pppd option is being used.
+# Used parameters and environment variables:
+# $1 - interface name (e.g. ppp0)
+# $USEPEERWINS - set if user specified usepeerdns
+# $WINS1 and $WINS2 - WINS servers reported by peer
+# Will additionally "tag" the wins servers, as explained in smb.conf(5), using the $1 value.
+
+if [ "$USEPEERWINS" = 1 -a -f /etc/samba/smb.conf ]; then
+	# Add global section if it is needed
+	grep -qi '\[[[:space:]]*global[[:space:]]*\]' /etc/samba/smb.conf \
+		|| sed -i -e '1i[global]' /etc/samba/smb.conf
+    
+	# Add wins server line if is missing
+	grep -qi '^[[:space:]]*wins[[:space:]]*server[[:space:]]*=' /etc/samba/smb.conf \
+		|| sed -i -e '/\[[[:space:]]*global[[:space:]]*\]/a\    wins server =' /etc/samba/smb.conf
+
+	# Set the WINS servers
+	winsservers=
+	[ -n "$WINS1" ] && winsservers="$winsservers $1:$WINS1"
+	[ -n "$WINS2" ] && winsservers="$winsservers $1:$WINS2"
+	sed -i -e "s/^\([[:space:]]*wins[[:space:]]*server[[:space:]]*=[^#]*\)/\1 $winsservers /i" /etc/samba/smb.conf
+
+	# Reload nmbd configuration
+	smbcontrol nmbd reload-config
+fi
diff -urN scripts-old/ip-up.d/40-dns.sh scripts/ip-up.d/40-dns.sh
--- scripts-old/ip-up.d/40-dns.sh	1970-01-01 01:00:00.000000000 +0100
+++ scripts/ip-up.d/40-dns.sh	2009-08-15 22:16:34.000000000 +0200
@@ -0,0 +1,42 @@
+#!/bin/sh
+
+# Handle resolv.conf generation when usepeerdns pppd option is being used.
+# Used parameters and environment variables:
+# $1 - interface name (e.g. ppp0)
+# $USEPEERDNS - set if user specified usepeerdns
+# $DNS1 and $DNS2 - DNS servers reported by peer
+
+if [ "$USEPEERDNS" ]; then
+
+	if [ -x /sbin/resolvconf ]; then
+		{
+			echo "# Generated by ppp for $1"
+			[ -n "$DNS1" ] && echo "nameserver $DNS1"
+			[ -n "$DNS2" ] && echo "nameserver $DNS2"
+		} | /sbin/resolvconf -a "$1"
+	else
+		# add the server supplied DNS entries to /etc/resolv.conf
+		# (taken from debian's 0000usepeerdns)
+
+		# follow any symlink to find the real file
+		REALRESOLVCONF=$(readlink --canonicalize /etc/resolv.conf)
+	
+		if [ "$REALRESOLVCONF" != "/etc/ppp/resolv.conf" ]; then
+
+			# merge the new nameservers with the other options from the old configuration
+			{
+				grep --invert-match '^nameserver[[:space:]]' $REALRESOLVCONF
+				cat /etc/ppp/resolv.conf
+			} > $REALRESOLVCONF.tmp
+
+			# backup the old configuration and install the new one
+			cp -dpP $REALRESOLVCONF $REALRESOLVCONF.pppd-backup
+			mv $REALRESOLVCONF.tmp $REALRESOLVCONF
+	
+			# correct permissions
+			chmod 0644 /etc/resolv.conf
+			chown root:root /etc/resolv.conf
+		fi
+	fi
+
+fi
diff -urN scripts-old/ip-up.d/50-initd.sh scripts/ip-up.d/50-initd.sh
--- scripts-old/ip-up.d/50-initd.sh	1970-01-01 01:00:00.000000000 +0100
+++ scripts/ip-up.d/50-initd.sh	2009-08-15 22:16:34.000000000 +0200
@@ -0,0 +1,12 @@
+#!/bin/sh
+
+# Activates correspondent net.${iface} service
+# Used parameters and environment variables:
+# $1 - interface name (e.g. ppp0)
+
+if [ -x /etc/init.d/net.$1 ]; then
+	if ! /etc/init.d/net.$1 --quiet status ; then
+		export IN_BACKGROUND="true"
+		/etc/init.d/net.$1 --quiet start
+	fi
+fi