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- #!/bin/sh
- #***********************************************************************
- #
- # adsl-status
- #
- # Shell script to report on status of ADSL connection
- #
- # Copyright (C) 2000-2001 Roaring Penguin Software Inc.
- #
- # $Id: adsl-status,v 1.3 2002/04/09 17:28:39 dfs Exp $
- #
- # This file may be distributed under the terms of the GNU General
- # Public License.
- #
- # LIC: GPL
- #
- # Usage: adsl-status [config_file]
- # If config_file is omitted, defaults to /etc/ppp/pppoe.conf
- #
- #***********************************************************************
-
- # Defaults
- CONFIG=/etc/ppp/pppoe.conf
-
- case "$#" in
- 1)
- CONFIG="$1"
- ;;
- esac
-
- if [ ! -f "$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; adsl-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 "adsl-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 "adsl-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`
- netstat -rn | grep " ${IF}\$" > /dev/null
- # /sbin/ifconfig $IF | grep "UP.*POINTOPOINT" > /dev/null
- if [ "$?" != "0" ] ; then
- echo "adsl-status: Link is attached to $IF, but $IF is down"
- exit 1
- fi
- echo "adsl-status: Link is up and running on interface $IF"
- /sbin/ifconfig $IF
- exit 0
- fi
- fi
- done
-
- echo "adsl-status: Link is down -- could not find interface corresponding to"
- echo "pppd pid $PPPD_PID"
- exit 1