rp-pppoe/pppoe-stop

#! /bin/bash
# Generated automatically from pppoe-stop.in by configure.
#***********************************************************************
#
# pppoe-stop
#
# Shell script to bring down 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.
#
# LIC: GPL
#
# Usage: pppoe-stop [config_file]
# If config_file is omitted, defaults to /etc/ppp/pppoe.conf
#
#***********************************************************************

export PATH=/sbin:/bin:/usr/sbin:/usr/bin

LS=/bin/ls
NETWORKDIR=/etc/sysconfig/network-scripts

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

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
}

ME="`basename $0`"
LOGGER="/usr/bin/logger -t $ME"
CONFIG="$1"
if [ -z "$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

PPPOE_PIDFILE="$PIDFILE.pppoe"
PPPD_PIDFILE="$PIDFILE.pppd"
STARTPID="$PIDFILE.start"

# Backward config file compatibility
if test "$DEMAND" = "" ; then
	DEMAND=no
fi

# Ignore SIGTERM
trap "" 15

# 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: The pppoe-connect script (PID $PID) appears to have died" >& 2
    fi

    # Kill pppd, which should in turn kill pppoe
    if [ -r "$PPPD_PIDFILE" ] ; then
        PPPD_PID=`cat "$PPPD_PIDFILE"`
        $LOGGER -p daemon.notice "Killing pppd"
        [ "$DEBUG" = "1" ] && echo "Killing pppd ($PPPD_PID)"
        kill $PPPD_PID > /dev/null 2>&1
    fi

    # Kill pppoe-start
    PIDS=`cat $STARTPID`
    kill -0 $PIDS > /dev/null 2>&1
    if [ $? = 0 ] ; then
        $LOGGER -p daemon.notice "Killing pppoe-connect"
        kill $PIDS > /dev/null 2>&1
    fi

    # Kill pppoe-connect
    $LOGGER -p daemon.notice "Killing pppoe-connect"
    [ "$DEBUG" = "1" ] && echo "Killing pppoe-connect ($PID)"
    kill $PID > /dev/null 2>&1

    # Kill pppd again, in case it's still hanging around
    if [ -r "$PPPD_PIDFILE" ] ; then
       PPPD_PID=`cat "$PPPD_PIDFILE"`
       kill -9 $PPPD_PID > /dev/null 2>&1 || exit 1
    fi

    # Kill br2684ctl if necessary
    if [ -n "$BR2684DEV" -a -r /var/run/nas$BR2684DEV.pid ]; then
	PIDS=`cat /var/run/nas$BR2684DEV.pid`
	kill -0 $PIDS > /dev/null 2>&1
	if [ $? = 0 ]; then
	    $LOGGER -p daemon.notice "Killing br2684ctl for nas$BR2684DEV"
	    kill $PIDS > /dev/null 2>&1
	fi
	rm -f /var/run/nas$BR2684DEV.pid
    fi

    rm -f "$PIDFILE" "$PPPD_PIDFILE" "$PPPOE_PIDFILE" "$STARTPID"
else
    [ "$DEBUG" = "1" ] && echo "$ME: No PPPoE connection appears to be running" >&2
    exit 1
fi

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

exit 0