CBL-Mariner/SPECS-EXTENDED/rp-pppoe/pppoe-status

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#! /bin/bash
#***********************************************************************
#
# pppoe-status
#
# Shell script to report on status of PPPoE connection
#
# Copyright (C) 2000-2001 Roaring Penguin Software Inc.
#
# $Id$
#
# This file may be distributed under the terms of the GNU General
# Public License.
#
# LIC: GPL
#
# Usage: pppoe-status [config_file]
# If config_file is omitted, defaults to /etc/ppp/pppoe.conf
#
#***********************************************************************
# Defaults
LS=/usr/bin/ls
IP=/usr/sbin/ip
NETWORKDIR=/etc/sysconfig/network-scripts
get_device() {
if [ ! -d $NETWORKDIR ] ; then
$ECHO "** $NETWORKDIR not found"
$ECHO "** Quitting"
exit 1
fi
cd $NETWORKDIR
interfaces=$($LS ifcfg-ppp* 2>/dev/null | egrep -v '(~|\.bak)$' | \
egrep -v '(rpmsave|rpmorig|rpmnew)' | sed 's/^ifcfg-//g')
for i in $interfaces ; do
test -f ifcfg-$i && . ifcfg-$i 2>/dev/null
if [ "$TYPE" = "xDSL" ] ; then
CONFIG=$NETWORKDIR/ifcfg-$i
break
fi
done
}
CONFIG="$1"
if [ -z "$CONFIG" ] ; then
get_device
[ -z "$CONFIG" ] && CONFIG=/etc/ppp/pppoe.conf
fi
if [ ! -f "$CONFIG" -o ! -r "$CONFIG" ] ; then
echo "$0: Cannot read configuration file '$CONFIG'" >& 2
exit 1
fi
. $CONFIG
PPPOE_PIDFILE="$PIDFILE.pppoe"
PPPD_PIDFILE="$PIDFILE.pppd"
if [ "$DEMAND" != "no" ] ; then
echo "Note: You have enabled demand-connection; pppoe-status may be inaccurate."
fi
# If no PPPOE_PIDFILE, connection is down, unless we're using the Linux plugin
if [ "$LINUX_PLUGIN" = "" ] ; then
if [ ! -r "$PPPOE_PIDFILE" ] ; then
echo "pppoe-status: Link is down (can't read pppoe PID file $PPPOE_PIDFILE)"
exit 1
fi
fi
# If no PPPD_PIDFILE, something fishy!
if [ ! -r "$PPPD_PIDFILE" ] ; then
echo "pppoe-status: Link is down (can't read pppd PID file $PPPD_PIDFILE)"
exit 1
fi
PPPD_PID=`cat "$PPPD_PIDFILE"`
# Sigh. Some versions of pppd put PID files in /var/run; others put them
# in /etc/ppp. Since it's too messy to figure out what pppd does, we
# try both locations.
for i in /etc/ppp/ppp*.pid /var/run/ppp*.pid ; do
if [ -r $i ] ; then
PID=`cat $i`
if [ "$PID" = "$PPPD_PID" ] ; then
IF=`basename $i .pid`
$IP route | grep "dev ${IF}\s" > /dev/null
if [ "$?" != "0" ] ; then
echo "pppoe-status: Link is attached to $IF, but $IF is down"
exit 1
fi
echo "pppoe-status: Link is up and running on interface $IF"
$IP addr show $IF
exit 0
fi
fi
done
echo "ppppoe-status: Link is down -- could not find interface corresponding to"
echo "pppd pid $PPPD_PID"
exit 1