diff options
Diffstat (limited to 'mdk-stage1/rp-pppoe/scripts/adsl-connect.in')
| -rwxr-xr-x | mdk-stage1/rp-pppoe/scripts/adsl-connect.in | 278 |
1 files changed, 278 insertions, 0 deletions
diff --git a/mdk-stage1/rp-pppoe/scripts/adsl-connect.in b/mdk-stage1/rp-pppoe/scripts/adsl-connect.in new file mode 100755 index 000000000..85dfb3d8d --- /dev/null +++ b/mdk-stage1/rp-pppoe/scripts/adsl-connect.in @@ -0,0 +1,278 @@ +#!/bin/sh +# @configure_input@ +#*********************************************************************** +# +# adsl-connect +# +# Shell script to connect to an ADSL 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: adsl-connect [config_file] +# adsl-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=@prefix@ +exec_prefix=@exec_prefix@ +localstatedir=/var + +# Paths to programs +IFCONFIG=/sbin/ifconfig +PPPD=@PPPD@ +SETSID=@SETSID@ +PPPOE=@sbindir@/pppoe +LOGGER="/usr/bin/logger -t `basename $0`" + +# Must be root +if test "`@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 + +. $CONFIG + +PPPOE_PIDFILE="$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 "$DEBUG" = "1" ; then + echo "*** If you want to use DEBUG, invoke adsl-start, not adsl-connect." + exit 1 +fi + +if test "$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 $ETH up mtu 1500 + # For 2.4 kernels. Will fail on 2.2.x, but who cares? + modprobe ppp_generic > /dev/null 2>&1 + modprobe ppp_async > /dev/null 2>&1 + modprobe ppp_synctty > /dev/null 2>&1 + if test -n "$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 + SERVICENAME="-S $SERVICENAME" +fi + +if test "$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 + USEPEERDNS=yes +fi + +if test "$USEPEERDNS" = "yes" ; then + USEPEERDNS="usepeerdns" +else + USEPEERDNS="" +fi + +# Backward config file compatibility +if test "$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 $ETH" + modprobe pppoe > /dev/null 2>&1 +fi + +# Standard PPP options we always use +PPP_STD_OPTIONS="$PLUGIN_OPTS noipdefault noauth default-asyncmap defaultroute hide-password nodetach $USEPEERDNS local mtu 1492 mru 1492 noaccomp noccp nobsdcomp 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 $SERVICENAME $PPPOE_EXTRA" +if test "$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 + echo "Extract from /var/log/messages" >> $DEBUG + grep 'ppp' /var/log/messages | tail -150 >> $DEBUG + 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 $$ > $PIDFILE + +while [ true ] ; do + if test "$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 + + # 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 \ + "ADSL connection lost; attempting re-connection." + + # Wait a bit in case a problem causes tons of log messages :-) + sleep 5 +done |