#!/bin/sh # ../scripts/pppoe-connect. Generated from pppoe-connect.in by configure. #*********************************************************************** # # pppoe-connect # # Shell script to connect to a PPPoE provider # # 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-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 IFCONFIG=/sbin/ifconfig PPPD=/usr/sbin/pppd SETSID=/usr/bin/setsid PPPOE=${exec_prefix}/sbin/pppoe LOGGER="/usr/bin/logger -t `basename $0`" # 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 "$SETSID"; then SETSID="" fi CONFIG=/etc//ppp/pppoe.conf USER="" ETH="" # Sort out command-line arguments case "$#" in 1) CONFIG="$1" ;; 3) CONFIG="$3" ;; esac if test ! -f "$CONFIG" -o ! -r "$CONFIG" ; then echo "$0: Cannot read configuration file '$CONFIG'" >& 2 exit 1 fi export CONFIG . $CONFIG PPPOE_PIDFILE="$PIDFILE.pppoe" PPPD_PIDFILE="$PIDFILE.pppd" # Check for command-line overriding of ETH and USER case "$#" 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 "$ETH" = "" ; then echo "$0: Check '$CONFIG' -- no setting for ETH" >& 2 exit 1 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 $IFCONFIG $ETH up EXISTING_MTU=`$IFCONFIG $ETH 2> /dev/null | grep MTU: | sed -e 's/.*MTU://' | sed -e 's/[^0-9].*//'` if test "$EXISTING_MTU" = "" -o "$EXISTING_MTU" -lt 1500 ; then $IFCONFIG $ETH mtu 1500 fi # For 2.4 kernels. Will fail on 2.2.x, but who cares? modprobe ppp_generic > /dev/null 2>&1 modprobe ppp_async > /dev/null 2>&1 modprobe ppp_synctty > /dev/null 2>&1 if test -n "$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 "$USEPEERDNS" = "no" ; then PEERDNS="" fi # Backward config file compatibility if test "$DEMAND" = "" ; then DEMAND=no fi if test "$DEMAND" = "no" ; then DEMAND="" else DEMAND="demand persist idle $DEMAND 10.112.112.112:10.112.112.113 ipcp-accept-remote ipcp-accept-local connect true noipdefault ktune" fi case "$FIREWALL" in STANDALONE) . /etc/ppp/firewall-standalone ;; MASQUERADE) . /etc/ppp/firewall-masq ;; esac # If we're using kernel-mode PPPoE on Linux... if test "$LINUX_PLUGIN" != "" ; then PLUGIN_OPTS="plugin $LINUX_PLUGIN nic-$ETH" if test -n "$SERVICENAME" ; then PLUGIN_OPTS="$PLUGIN_OPTS rp_pppoe_service $SERVICENAME" fi modprobe pppoe > /dev/null 2>&1 fi if test "$DEFAULTROUTE" != "no" ; then DEFAULTROUTE="defaultroute" else DEFAULTROUTE="" fi if test -n "$UNIT" ; then DOUNIT="unit $UNIT" else DOUNIT="" fi if test "$MTU" = "" ; then MTU=1492 fi if test "$MRU" = "" ; then MRU=1492 fi # Standard PPP options we always use PPP_STD_OPTIONS="$PLUGIN_OPTS $DOUNIT 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 $PPPD_EXTRA" # Jigger DNS if required... if test "$DNSTYPE" = "SERVER" ; then # Sorry, dude... rm -f /etc/resolv.conf ln -s /etc/ppp/resolv.conf /etc/resolv.conf elif test "$DNSTYPE" = "SPECIFY" ; then # Sorry, dude... rm -f /etc/resolv.conf echo "nameserver $DNS1" > /etc/resolv.conf if test -n "$DNS2" ; then echo "nameserver $DNS2" >> /etc/resolv.conf fi fi # PPPoE invocation PPPOE_CMD="$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 $$ > $PIDFILE while [ true ] ; do if test "$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 \ $PPPD_SYNC & echo "$!" > $PPPD_PIDFILE fi wait if test "$RETRY_ON_FAILURE" = "no" ; then exit fi # Run /etc/ppp/pppoe-lost if it exists test -x /etc/ppp/pppoe-lost && /etc/ppp/pppoe-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