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