openwrt/package/ppp/files/etc/ppp/ip-down

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#!/bin/sh
PPP_IFACE="$1"
PPP_TTY="$2"
PPP_SPEED="$3"
PPP_LOCAL="$4"
PPP_REMOTE="$5"
PPP_IPPARAM="$6"
export PPP_IFACE PPP_TTY PPP_SPEED PPP_LOCAL PPP_REMOTE PPP_IPPARAM
[ -z "$PPP_IPPARAM" ] || {
env -i ACTION="ifdown" INTERFACE="$PPP_IPPARAM" DEVICE="$PPP_IFACE" PROTO=ppp /sbin/hotplug-call "iface"
# remove the interface's network state
FILE=/var/state/network.$$
grep -v "^config_set '$PPP_IPPARAM' " /var/state/network > "$FILE"
mv "$FILE" /var/state/network
}
[ -d /etc/ppp/ip-down.d ] && {
for SCRIPT in /etc/ppp/ip-down.d/*
do
[ -x "$SCRIPT" ] && "$SCRIPT" $@
done
}