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File pppoe-start of Package rp-pppoe

#!/bin/bash
# Generated automatically from pppoe-start.in by configure.
#***********************************************************************
#
# pppoe-start
#
# Shell script to bring up an PPPoE connection
#
# Copyright (C) 2000 Roaring Penguin Software Inc.
#
# $Id$
#
# This file may be distributed under the terms of the GNU General
# Public License.
#
# Usage: pppoe-start [config_file]
#        pppoe-start interface user [config_file]
# Second form overrides USER and ETH from config file.
# If config_file is omitted, defaults to /etc/ppp/pppoe.conf
#
#***********************************************************************

# From AUTOCONF
prefix=/usr
exec_prefix=/usr

# Paths to programs
CONNECT=/usr/sbin/pppoe-connect
STATUS=/usr/sbin/pppoe-status
ECHO=/usr/bin/echo
IP=/usr/sbin/ip
LS=/usr/bin/ls
NETWORKDIR=/etc/sysconfig/network

get_device() {
    if [ ! -d $NETWORKDIR ] ; then
        $ECHO "** $NETWORKDIR not found"
        $ECHO "** Quitting"
        exit 1
    fi

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
}

# Set to "C" locale so we can parse messages from commands
LANG=C
export LANG

# Defaults
USER=""
ETH=""
ME=`basename $0`

# Must be root
if [ "`/usr/bin/id -u`" != 0 ] ; then
    [ "$DEBUG" = "1" ] && $ECHO "$ME: You must be root to run this script" >& 2
    exit 1
fi

# Debugging
if [ "$DEBUG" = "1" ] ; then
    $ECHO "*** Running in debug mode... please be patient..."
    DEBUG=`mktemp -d /tmp/pppoe-debug-XXXXXXXX`
    if [ $? -ne 0 ] ; then
	$ECHO "Could not create directory $DEBUG... exiting"
	exit 1
    fi
    export DEBUG
    DEBUG=$DEBUG/pppoe-debug.txt

# Initial debug output
    $ECHO "---------------------------------------------" > $DEBUG
    $ECHO "* The following section contains information about your system" >> $DEBUG
    date >> $DEBUG
    $ECHO "Output of uname -a" >> $DEBUG
    uname -a >> $DEBUG
    $ECHO "---------------------------------------------" >> $DEBUG
    $ECHO "* The following section contains information about your network" >> $DEBUG
    $ECHO "* interfaces.  The one you chose for PPPoE should contain the words:" >> $DEBUG
    $ECHO "* 'UP' and 'RUNNING'.  If it does not, you probably have an Ethernet" >> $DEBUG
    $ECHO "* driver problem." >> $DEBUG
    $ECHO "Output of ip addr show" >> $DEBUG
    $IP addr show >> $DEBUG
    $ECHO "---------------------------------------------" >> $DEBUG
    if [ "`uname -s`" = "Linux" ] ; then
        $ECHO "* The following section contains information about kernel modules" >> $DEBUG
	$ECHO "* If the module for your Ethernet card is 'tulip', you might" >> $DEBUG
	$ECHO "* want to look for an updated version at http://www.scyld.com" >> $DEBUG
	$ECHO "Output of lsmod" >> $DEBUG
	lsmod >> $DEBUG
	$ECHO "---------------------------------------------" >> $DEBUG
    fi
    $ECHO "* The following section lists your routing table." >> $DEBUG
    $ECHO "* If you have an entry which starts with '0.0.0.0', you probably" >> $DEBUG
    $ECHO "* have defined a default route and gateway, and pppd will" >> $DEBUG
    $ECHO "* not create a default route using your ISP.  Try getting" >> $DEBUG
    $ECHO "* rid of this route." >> $DEBUG
    $ECHO "Output of ip route" >> $DEBUG
    $IP route >> $DEBUG
    $ECHO "---------------------------------------------" >> $DEBUG
    $ECHO "Contents of /etc/resolv.conf" >> $DEBUG
    $ECHO "* The following section lists DNS setup." >> $DEBUG
    $ECHO "* If you can browse by IP address, but not name, suspect" >> $DEBUG
    $ECHO "* a DNS problem." >> $DEBUG
    cat /etc/resolv.conf >> $DEBUG
    $ECHO "---------------------------------------------" >> $DEBUG
    $ECHO "* The following section lists /etc/ppp/options." >> $DEBUG
    $ECHO "* You should have NOTHING in that file." >> $DEBUG
    $ECHO "Contents of /etc/ppp/options" >> $DEBUG
    cat /etc/ppp/options >> $DEBUG 2>/dev/null
    $ECHO "---------------------------------------------" >> $DEBUG
    DEBUG="1"
fi

# Sort out command-line arguments
case "$#" in
    1)
	CONFIG="$1"
	;;
    3)
	CONFIG="$3"
	;;
esac

if [ -z "$CONFIG" ] ; then
    get_device
    [ -z "$CONFIG" ] && CONFIG=/etc/ppp/pppoe.conf
fi

if [ ! -f "$CONFIG" -o ! -r "$CONFIG" ] ; then
    [ "$DEBUG" = "1" ] && $ECHO "$ME: Cannot read configuration file '$CONFIG'" >& 2
    exit 1
fi

export CONFIG
. $CONFIG

# Check for command-line overriding of ETH and USER
case "$#" in
    2|3)
	ETH="$1"
	USER="$2"
	;;
esac

# Check for pidfile
if [ -r "$PIDFILE" ] ; then
    PID=`cat "$PIDFILE"`
    # Check if still running
    kill -0 $PID > /dev/null 2>&1
    if [ $? = 0 ] ; then
	[ "$DEBUG" = "1" ] && $ECHO "$ME: There already seems to be an PPPoE connection up (PID $PID)" >& 2
	exit 1
    fi
    # Delete bogus PIDFILE
    rm -f "$PIDFILE" "$PIDFILE.pppd" "$PIDFILE.pppoe" "$PIDFILE.start"
fi

echo $$ > $PIDFILE.start

# Start the connection in the background unless we're debugging
if [ "$DEBUG" != "" ] ; then
    $CONNECT "$@"
    exit 0
fi

$CONNECT "$@" > /dev/null 2>&1 &
CONNECT_PID=$!

if [ "$CONNECT_TIMEOUT" = "" -o "$CONNECT_TIMEOUT" = 0 ] ; then
    exit 0
fi

# Don't monitor connection if dial-on-demand
if [ "$DEMAND" != "" -a "$DEMAND" != "no" ] ; then
    exit 0
fi

# Monitor connection
TIME=0
while [ true ] ; do
    $STATUS $CONFIG > /dev/null 2>&1

# Looks like the interface came up
    if [ $? = 0 ] ; then
	# Print newline if standard input is a TTY
	[ "$DEBUG" = "1" ] && tty -s && $ECHO " Connected!"
	exit 0
    fi

if test -n "$FORCEPING" ; then
	[ "$DEBUG" = "1" ] && $ECHO -n "$FORCEPING"
    else
	[ "$DEBUG" = "1" ] && tty -s && $ECHO -n "$PING"
    fi
    sleep $CONNECT_POLL
    TIME=`expr $TIME + $CONNECT_POLL`
    if [ $TIME -gt $CONNECT_TIMEOUT ] ; then
	break
    fi
done

[ "$DEBUG" = "1" ] && $ECHO "TIMED OUT" >& 2
# Timed out!  Kill the pppoe-connect process and quit
kill $CONNECT_PID > /dev/null 2>&1

# Clean up PIDFILE(s)
rm -f "$PIDFILE" "$PIDFILE.pppd" "$PIDFILE.pppoe" "$PIDFILE.start"

# add old default gw back
if [ -s /etc/default-routes ] ; then
    while read spec; do
        $IP route add $spec
    done < /etc/default-routes
    rm -f /etc/default-routes
fi

exit 1

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File pppoe-start of Package rp-pppoe

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