rp-pppoe/pppoe-connect
2024-04-15 17:22:55 -04:00

399 lines
11 KiB
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Executable File

#! /bin/bash
# Generated automatically from pppoe-connect.in by configure.
#***********************************************************************
#
# pppoe-connect
#
# Shell script to connect to an PPPoE provider using PPPoE
#
# Copyright (C) 2000 Roaring Penguin Software Inc.
#
# $Id$
#
# This file may be distributed under the terms of the GNU General
# Public License.
#
# Usage: pppoe-connect [config_file]
# pppoe-connect 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
localstatedir=/var
# Paths to programs
IP=/sbin/ip
PPPD=/usr/sbin/pppd
SETSID=/usr/bin/setsid
PPPOE=/usr/sbin/pppoe
BR2684CTL=/usr/sbin/br2684ctl
LOGGER="/usr/bin/logger -t `basename $0`"
NETWORKDIR=/etc/sysconfig/network-scripts
LS=/bin/ls
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
}
# Set to "C" locale so we can parse messages from commands
LANG=C
export LANG
# Must be root
if test "`/usr/bin/id -u`" != 0 ; then
echo "$0: You must be root to run this script" >& 2
exit 1
fi
if test "$SETSID" != "" -a ! -x "$SETSID"; then
SETSID=""
fi
USER=""
ETH=""
# Sort out command-line arguments
case "$#" in
1)
CONFIG="$1"
;;
3)
CONFIG="$3"
;;
esac
if [ -z "$CONFIG" ] ; then
get_device
[ -z "$CONFIG" ] && CONFIG=/etc/ppp/pppoe.conf
fi
if test ! -f "$CONFIG" -o ! -r "$CONFIG" ; then
echo "$0: Cannot read configuration file '$CONFIG'" >& 2
exit 1
fi
export CONFIG
. $CONFIG
DEVNAME="$DEVICE"
PPPOE_PIDFILE="$PIDFILE.pppoe"
PPPD_PIDFILE="$PIDFILE.pppd"
if [ "$CONFIG" != "/etc/ppp/pppoe.conf" ] ; then
DEVNAME=`basename $CONFIG | sed 's/^ifcfg-//g'`
fi
if [ -n "$BR2684DEV" ]; then
[ -z "$ETH" ] && ETH="nas$BR2684DEV"
modprobe br2684 > /dev/null 2>&1
fi
# Check for command-line overriding of ETH and USER
case "$#" in
2|3)
ETH="$1"
USER="$2"
;;
esac
# Check that config file is sane
if test "$USER" = "" ; then
echo "$0: Check '$CONFIG' -- no setting for USER" >& 2
exit 1
fi
if test "`basename \"$LINUX_PLUGIN\"`" = "pppoatm.so" ; then
if test "$VCI" = "" ; then
echo "$0: Check '$CONFIG' -- no setting for VCI" >& 2
exit 1
fi
if test "$VPI" = "" ; then
echo "$0: Check '$CONFIG' -- no setting for VPI" >& 2
exit 1
fi
else
if test "$ETH" = "" ; then
echo "$0: Check '$CONFIG' -- no setting for ETH" >& 2
exit 1
fi
fi
PPPD_PID=0
# Catch common error
if test "$DEBUG" = "1" ; then
echo "*** If you want to use DEBUG, invoke pppoe-start, not pppoe-connect."
exit 1
fi
if test "$DEBUG" != "" ; then
if test "$LINUX_PLUGIN" != "" ; then
echo "Cannot use DEBUG mode and LINUX_PLUGIN at the same time."
echo "Kernel-mode PPPoE is experimental and unsupported."
exit 1
fi
echo "* The following section identifies your Ethernet interface" >> $DEBUG
echo "* and user name. Some ISP's need 'username'; others" >> $DEBUG
echo "* need 'username@isp.com'. Try both" >> $DEBUG
echo "ETH=$ETH; USER=$USER" >> $DEBUG
echo "---------------------------------------------" >> $DEBUG
fi
# MTU of Ethernet card attached to modem MUST be 1500. This apparently
# fails on some *BSD's, so we'll only do it under Linux
if test `uname -s` = Linux ; then
$IP link set $ETH up mtu 1500
# For 2.4 kernels. Will fail on 2.2.x, but who cares?
modprobe ppp_generic > /dev/null 2>&1
modprobe ppp_async > /dev/null 2>&1
modprobe ppp_synctty > /dev/null 2>&1
if test -n "$LINUX_PLUGIN" ; then
modprobe pppox > /dev/null 2>&1
modprobe pppoe > /dev/null 2>&1
fi
fi
if test "$SYNCHRONOUS" = "yes" ; then
PPPOE_SYNC=-s
PPPD_SYNC=sync
# Increase the chances of it working on Linux...
if test `uname -s` = Linux ; then
modprobe n_hdlc > /dev/null 2>&1
fi
else
PPPOE_SYNC=""
PPPD_SYNC=""
fi
if test -n "$ACNAME" ; then
ACNAME="-C $ACNAME"
fi
if test -n "$SERVICENAME" ; then
SERVICENAMEOPT="-S $SERVICENAME"
else
SERVICENAMEOPT=""
fi
if test "$CLAMPMSS" = "no" ; then
CLAMPMSS=""
else
CLAMPMSS="-m $CLAMPMSS"
fi
# If DNSTYPE is SERVER, we must use "usepeerdns" option to pppd.
if test "$DNSTYPE" = "SERVER" ; then
PEERDNS=yes
USEPEERDNS=yes
fi
if test "$PEERDNS" = "yes" ; then
PEERDNS="usepeerdns"
else
PEERDNS=""
fi
# Backward config file compatibility -- PEERDNS used to be USEPEERDNS
if test "$USEPEERDNS" = "yes" ; then
PEERDNS="usepeerdns"
fi
if test "$USEPEERDNS" = "no" ; then
PEERDNS=""
fi
if [ -z "$DEVICE" ] ; then
IPPARAM=""
LINKNAME=""
else
IPPARAM="ipparam ${DEVNAME}"
LINKNAME="linkname ${DEVICE}"
fi
[ -z "$MTU" ] && MTU="1492"
[ -z "$MRU" ] && MRU="1492"
# Backward config file compatibility
if test "$DEMAND" = "" ; then
DEMAND=no
fi
if test "$DEMAND" = "no" ; then
DEMAND=""
else
[ -z "$IPADDR" ] && IPADDR=10.112.112.112
[ -z "$REMIP" ] && REMIP=10.112.112.113
DEMAND="demand persist idle $CONNECT_TIMEOUT $IPADDR:$REMIP ipcp-accept-remote ipcp-accept-local noipdefault ktune"
# The plugin doesn't need (and may not _accept_) the 'connect' option
if [ -z "$LINUX_PLUGIN" ]; then
DEMAND="$DEMAND connect true"
fi
fi
case "$FIREWALL" in
STANDALONE)
. /etc/ppp/firewall-standalone
;;
MASQUERADE)
. /etc/ppp/firewall-masq
;;
esac
# If we're using kernel-mode PPPoE on Linux...
if test "`basename \"$LINUX_PLUGIN\"`" = "rp-pppoe.so" ; then
PLUGIN_OPTS="plugin $LINUX_PLUGIN nic-$ETH"
if test -n "$SERVICENAME" ; then
PLUGIN_OPTS="$PLUGIN_OPTS rp_pppoe_service $SERVICENAME"
fi
modprobe pppoe > /dev/null 2>&1
fi
# If we're using kernel-mode PPPoATM on Linux...
if test "`basename \"$LINUX_PLUGIN\"`" = "pppoatm.so" ; then
PLUGIN_OPTS="plugin $LINUX_PLUGIN"
# Interface name MUST BE LAST!!
PLUGIN_OPTS="$PLUGIN_OPTS $VPI.$VCI"
modprobe pppoatm > /dev/null 2>&1
fi
if test "$DEFROUTE" != "no" ; then
DEFAULTROUTE="defaultroute"
# pppd will no longer delete an existing default route
# so we have to help it out a little here.
DEFRT=$(ip route list match 0/0)
[ -n "${DEFRT}" ] && echo "$DEFRT" > /etc/default-routes
echo "$DEFRT" | while read spec; do
ip route del $spec;
done
else
DEFAULTROUTE=""
fi
# Standard PPP options we always use
PPP_STD_OPTIONS="$IPPARAM $LINKNAME $PLUGIN_OPTS noipdefault noauth default-asyncmap $DEFAULTROUTE hide-password nodetach $PEERDNS mtu $MTU mru $MRU noaccomp nodeflate nopcomp novj novjccomp user $USER lcp-echo-interval $LCP_INTERVAL lcp-echo-failure $LCP_FAILURE $PPPD_EXTRA"
# PPPoE invocation
PPPOE_CMD="$PPPOE -p $PPPOE_PIDFILE -I $ETH -T $PPPOE_TIMEOUT -U $PPPOE_SYNC $CLAMPMSS $ACNAME $SERVICENAMEOPT $PPPOE_EXTRA"
if test "$DEBUG" != "" ; then
if test "$DEMAND" != "" ; then
echo "(Turning off DEMAND for debugging purposes)"
DEMAND=""
fi
echo "* The following section shows the pppd command we will invoke" >> $DEBUG
echo "pppd invocation" >> $DEBUG
echo "$SETSID $PPPD pty '$PPPOE_CMD' $PPP_STD_OPTIONS $PPPD_SYNC debug" >> $DEBUG
echo "---------------------------------------------" >> $DEBUG
$SETSID $PPPD pty "$PPPOE_CMD -D $DEBUG-0" \
$PPP_STD_OPTIONS \
$PPPD_SYNC \
debug >> $DEBUG 2>&1
echo "---------------------------------------------" >> $DEBUG
echo "* The following section is an extract from your log." >> $DEBUG
echo "* Look for error messages from pppd, such as" >> $DEBUG
echo "* a lack of kernel support for PPP, authentication failure" >> $DEBUG
echo "* etc." >> $DEBUG
if test -f "/var/log/messages" ; then
echo "Extract from /var/log/messages" >> $DEBUG
grep 'ppp' /var/log/messages | tail -150 >> $DEBUG
elif test -f "/var/adm/messages"; then
echo "Extract from /var/adm/messages" >> $DEBUG
grep 'ppp' /var/adm/messages | tail -150 >> $DEBUG
else
echo "Can't find messages file (looked for /var/{log,adm}/messages" >> $DEBUG
fi
date >> $DEBUG
echo "---------------------------------------------" >> $DEBUG
echo "* The following section is a dump of the packets" >> $DEBUG
echo "* sent and received by rp-pppoe. If you don't see" >> $DEBUG
echo "* any output, it's an Ethernet driver problem. If you only" >> $DEBUG
echo "* see three PADI packets and nothing else, check your cables" >> $DEBUG
echo "* and modem. Make sure the modem lights flash when you try" >> $DEBUG
echo "* to connect. Check that your Ethernet card is in" >> $DEBUG
echo "* half-duplex, 10Mb/s mode. If all else fails," >> $DEBUG
echo "* try using pppoe-sniff." >> $DEBUG
echo "rp-pppoe debugging dump" >> $DEBUG
cat $DEBUG-0 >> $DEBUG
rm -f $DEBUG-0
for i in 1 2 3 4 5 6 7 8 9 10 ; do
echo ""
echo ""
echo ""
done
echo "*** Finished debugging run. Please review the file"
echo "*** '$DEBUG' and try to"
echo "*** figure out what is going on."
echo "***"
echo "*** Unfortunately, we can NO LONGER accept debugging"
echo "*** output for analysis. Please do not send this to"
echo "*** Roaring Penguin; it is too time-consuming for"
echo "*** us to deal with all the analyses we have been sent."
exit 0
fi
echo $$ > $PIDFILE
while [ true ] ; do
if [ "${DEFROUTE}" != "no" ] ; then
DEFRT=$(ip route list match 0/0)
[ -n "${DEFRT}" ] && echo "$DEFRT" > /etc/default-routes
echo "$DEFRT" | while read spec; do
ip route del $spec;
done
fi
if test "$BR2684DEV" != ""; then
$BR2684CTL -b -c $BR2684DEV -a $VPI.$VCI
ip link set $ETH up
fi
if test "$OVERRIDE_PPPD_COMMAND" != "" ; then
$SETSID $OVERRIDE_PPPD_COMMAND &
echo "$!" > $PPPD_PIDFILE
elif test "$LINUX_PLUGIN" != "" ; then
$SETSID $PPPD $PPP_STD_OPTIONS $DEMAND &
echo "$!" > $PPPD_PIDFILE
else
$SETSID $PPPD pty "$PPPOE_CMD" \
$PPP_STD_OPTIONS \
$DEMAND \
$PPPD_SYNC &
echo "$!" > $PPPD_PIDFILE
fi
wait
if test "$BR2684DEV" != ""; then
kill `cat /var/run/nas$BR2684DEV.pid`
rm /var/run/nas$BR2684DEV.pid
fi
if test "$RETRY_ON_FAILURE" = "no" ; then
exit
fi
# Run /etc/ppp/adsl-lost if it exists
test -x /etc/ppp/adsl-lost && /etc/ppp/adsl-lost
# Re-establish the connection
$LOGGER -p daemon.notice "PPPoE connection lost; attempting re-connection."
# Wait a bit in case a problem causes tons of log messages :-)
sleep 5
done