/usr/sbin/pppoe-stop is in pppoe 3.11-0ubuntu1.
This file is owned by root:root, with mode 0o755.
The actual contents of the file can be viewed below.
1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 58 59 60 61 62 63 64 65 66 67 68 69 70 71 72 73 74 75 76 77 78 79 80 81 82 83 84 85 86 87 88 89 90 91 92 93 94 95 96  | #!/bin/sh
# ../scripts/pppoe-stop.  Generated from pppoe-stop.in by configure.
#***********************************************************************
#
# pppoe-stop
#
# Shell script to bring down a 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
#
#***********************************************************************
# Set to "C" locale so we can parse messages from commands
LANG=C
export LANG
ME="`basename $0`"
LOGGER="/usr/bin/logger -t $ME"
CONFIG="$1"
if [ "$CONFIG" = "" ] ; then
    CONFIG=/etc/ppp/pppoe.conf
fi
if [ ! -f "$CONFIG" -o ! -r "$CONFIG" ] ; then
    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 [ $? != 0 ] ; then
	echo "$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"`
	$LOGGER -p daemon.notice "Killing pppd"
	echo "Killing pppd ($PPPD_PID)"
	kill $PPPD_PID > /dev/null 2>&1 || exit 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
    $LOGGER -p daemon.notice "Killing pppoe-connect"
    echo "Killing pppoe-connect ($PID)"
    kill -9 $PID > /dev/null 2>&1
    # Kill pppd again, in case it's still hanging around
    if [ -r "$PPPD_PIDFILE" ] ; then
	PPPD_PID=`cat "$PPPD_PIDFILE"`
	kill -9 $PPPD_PID > /dev/null 2>&1 || exit 1
    fi
    rm -f "$PIDFILE" "$PPPD_PIDFILE" "$PPPOE_PIDFILE" "$STARTPID"
else
    echo "$ME: No PPPoE connection appears to be running" >&2
    exit 1
fi
exit 0
 |