#!/bin/sh
-[ -z "$6" ] || env -i ACTION="ifdown" INTERFACE="$6" PROTO=ppp /sbin/hotplug "iface"
+. /etc/functions.sh
+PPP_IFACE="$1"
+PPP_TTY="$2"
+PPP_SPEED="$3"
+PPP_LOCAL="$4"
+PPP_REMOTE="$5"
+PPP_IPPARAM="$(echo $6 | sed 's/\./_/g')"
+export PPP_IFACE PPP_TTY PPP_SPEED PPP_LOCAL PPP_REMOTE PPP_IPPARAM
+[ -z "$PPP_IPPARAM" ] || {
+ env -i ACTION="ifdown" INTERFACE="$PPP_IPPARAM" DEVICE="$PPP_IFACE" PROTO=ppp /sbin/hotplug-call "iface"
+
+ # remove the interface's network state
+ uci_revert_state network "$PPP_IPPARAM"
+}
+
+[ -d /etc/ppp/ip-down.d ] && {
+ for SCRIPT in /etc/ppp/ip-down.d/*
+ do
+ [ -x "$SCRIPT" ] && "$SCRIPT" "$@"
+ done
+}