493 строки
13 KiB
Bash
Executable File
493 строки
13 KiB
Bash
Executable File
#! /bin/bash
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#***********************************************************************
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#
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# pppoe-setup
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#
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# All-purpose slicing/dicing shell script to configure rp-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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# Paths to programs and config files
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IP=/usr/sbin/ip
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PPPD=/usr/sbin/pppd
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PPPOE=/sbin/pppoe
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ECHO=/usr/bin/echo
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LS=/usr/bin/ls
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ID=/usr/bin/id
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NETWORKDIR=/etc/sysconfig/network-scripts
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PAPFILE=/etc/ppp/chap-secrets
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CHAPFILE=/etc/ppp/pap-secrets
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RESOLVFILE=/etc/resolv.conf
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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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# Protect created files
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umask 077
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copy() {
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cp $1 $2
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if [ "$?" != 0 ] ; then
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$ECHO "*** Error copying $1 to $2"
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$ECHO "*** Quitting."
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exit 1
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fi
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}
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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 $NETWORKDIR
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interfaces=$($LS ifcfg-ppp* 2>/dev/null | egrep -v '(~|\.bak)$' | \
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egrep -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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device_count=$[$device_count+1]
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devices="$devices $DEVICE"
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fi
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done
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}
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clear_env() {
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unset USERCTL BOOTPROTO NAME DEVICE TYPE ONBOOT FIREWALL PING \
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PPPOE_TIMEOUT LCP_FAILURE LCP_INTERVAL CLAMPMSS CONNECT_POLL \
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CONNECT_TIMEOUT DEFROUTE SYNCHRONOUS ETH PROVIDER USER PEERDNS \
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DNS1 DNS2
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}
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clear
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$ECHO "Welcome to the PPPoE client setup. First, I will run some checks on"
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$ECHO "your system to make sure the PPPoE client is installed properly..."
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$ECHO ""
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# Must be root
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if [ "`$ID -u`" != 0 ] ; then
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$ECHO "$0: Sorry, you must be root to run this script"
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exit 1
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fi
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# Must have pppd
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if [ ! -x $PPPD ] ; then
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$ECHO "Oops, I can't execute the program '$PPPD'. You"
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$ECHO "must install the PPP software suite, version 2.3.10 or later."
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exit 1
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fi
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# get the DSL config files in /etc/sysconfig/network-scripts
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devices=""
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device_count=0
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get_device
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if [ $device_count -gt 0 ] ; then
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$ECHO "The following DSL config was found on your system:"
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$ECHO ""
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$ECHO " Device: Name:"
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for i in $devices ; do
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. $NETWORKDIR/ifcfg-$i
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$ECHO " $i $NAME"
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done
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$ECHO ""
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for i in $devices ; do
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default_device=$i
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break
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done
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clear_env
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while [ true ] ; do
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$ECHO "Please enter the device if you want to configure the present DSL config"
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$ECHO -n "(default $default_device) or enter 'n' if you want to create a new one: "
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read dev
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if [ "$dev" = "n" ] ; then
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i=0
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while true; do
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found=0
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for j in $interfaces ; do
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if [ "$j" = "ppp$i" ] ; then
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found=1
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break
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fi
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done
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if [ $found -eq 0 ] ; then
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dsl_device="ppp$i"
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break
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fi
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i=$[$i+1]
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done
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if [ -z "$dsl_device" ]; then
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dev=0
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while [ -e $NETWORKDIR/ifcfg-ppp$dev ]; do
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dev=`expr $dev + 1`
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done
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dsl_device="ppp$dev"
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fi
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break
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else
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if [ -n "$default_device" ] ; then
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if [ -n "$dev" ] ; then
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dsl_device="$dev"
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else
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dsl_device="$default_device"
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fi
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fi
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for i in $devices ; do
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[ "$dsl_device" = "$i" ] && break
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done
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if [ "$dsl_device" = "$i" ] ; then
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break
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fi
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$ECHO "Device '$dsl_device' is not found in the list, please choose the correct one"
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fi
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done
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else
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dev=0
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while [ -e $NETWORKDIR/ifcfg-ppp$dev ]; do
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dev=`expr $dev + 1`
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done
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dsl_device="ppp$dev"
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fi
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CONFIG="$NETWORKDIR/ifcfg-$dsl_device"
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DEVICE=$dsl_device
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export CONFIG
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[ "$dev" = "n" ] || . $CONFIG 2>/dev/null
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[ "$DEMAND" = "" ] && DEMAND=no
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while [ true ] ; do
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$ECHO ""
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$ECHO "LOGIN NAME"
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$ECHO ""
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if [ -z "$USER" ] ; then
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$ECHO -n "Enter your Login Name: "
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else
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$ECHO -n "Enter your Login Name (default $USER): "
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fi
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read U
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if [ -z "$U" ] ; then
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if [ -z "$USER" ] ; then
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continue
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fi
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else
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USER="$U"
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fi
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# Under Linux, "fix" the default interface if eth1 is not available
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[ -n "$ETH" ] || ETH=eth0
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if test `uname -s` = "Linux" ; then
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$IP link show $ETH > /dev/null 2>&1 || ETH=eth0
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fi
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$ECHO ""
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$ECHO "INTERFACE"
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$ECHO ""
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$ECHO "Enter the Ethernet interface connected to the PPPoE modem"
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$ECHO "For Solaris, this is likely to be something like /dev/hme0."
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$ECHO "For Linux, it will be ethX, where 'X' is a number."
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$ECHO -n "(default $ETH): "
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read E
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if [ -n "$E" ] ; then
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ETH="$E"
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fi
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$ECHO ""
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$ECHO "Do you want the link to come up on demand, or stay up continuously?"
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$ECHO "If you want it to come up on demand, enter the idle time in seconds"
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$ECHO "after which the link should be dropped. If you want the link to"
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$ECHO "stay up permanently, enter 'no' (two letters, lower-case.)"
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$ECHO "NOTE: Demand-activated links do not interact well with dynamic IP"
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$ECHO "addresses. You may have some problems with demand-activated links."
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$ECHO -n "Enter the demand value (default $DEMAND): "
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read D
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if [ -n "$D" ] ; then
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DEMAND="$D"
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fi
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$ECHO ""
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$ECHO "DNS"
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$ECHO ""
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$ECHO "Please enter the IP address of your ISP's primary DNS server."
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$ECHO "If your ISP claims that 'the server will provide dynamic DNS addresses',"
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$ECHO "enter 'server' (all lower-case) here."
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$ECHO "If you just press enter, I will assume you know what you are"
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$ECHO "doing and not modify your DNS setup."
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$ECHO -n "Enter the DNS information here: "
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read DNS1
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if [ -n "$DNS1" ] ; then
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if [ "$DNS1" != "server" ] ; then
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$ECHO "Please enter the IP address of your ISP's secondary DNS server."
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$ECHO "If you just press enter, I will assume there is only one DNS server."
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$ECHO -n "Enter the secondary DNS server address here: "
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read DNS2
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fi
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fi
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while [ true ] ; do
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$ECHO ""
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$ECHO "PASSWORD"
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$ECHO ""
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stty -echo
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$ECHO -n "Please enter your Password: "
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read PWD1
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$ECHO ""
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$ECHO -n "Please re-enter your Password: "
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read PWD2
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$ECHO ""
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stty echo
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if [ "$PWD1" = "$PWD2" ] ; then
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break
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fi
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$ECHO -n "Sorry, the passwords do not match. Try again? (y/n)"
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read ANS
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case "$ANS" in
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N|No|NO|Non|n|no|non)
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$ECHO "OK, quitting. Bye."
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exit 1
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esac
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done
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# Usercontrol
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$ECHO ""
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$ECHO "USERCTRL"
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$ECHO
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$ECHO "Please enter 'yes' (three letters, lower-case.) if you want to allow"
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$ECHO -n "normal user to start or stop DSL connection (default yes): "
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read USERCTL
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if [ -z "$USERCTL" ] ; then
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USERCTL="yes"
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fi
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# Firewalling
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$ECHO ""
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$ECHO "FIREWALLING"
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$ECHO ""
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if test `uname -s` != "Linux" ; then
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$ECHO "Sorry, firewalling is only supported under Linux. Consult"
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$ECHO "your operating system manuals for details on setting up"
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$ECHO "packet filters for your system."
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FIREWALL=NONE
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else
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$ECHO "Please choose the firewall rules to use. Note that these rules are"
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$ECHO "very basic. You are strongly encouraged to use a more sophisticated"
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$ECHO "firewall setup; however, these will provide basic security. If you"
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$ECHO "are running any servers on your machine, you must choose 'NONE' and"
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$ECHO "set up firewalling yourself. Otherwise, the firewall rules will deny"
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$ECHO "access to all standard servers like Web, e-mail, ftp, etc. If you"
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$ECHO "are using SSH, the rules will block outgoing SSH connections which"
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$ECHO "allocate a privileged source port."
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$ECHO ""
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while [ true ] ; do
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$ECHO "The firewall choices are:"
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$ECHO "0 - NONE: This script will not set any firewall rules. You are responsible"
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$ECHO " for ensuring the security of your machine. You are STRONGLY"
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$ECHO " recommended to use some kind of firewall rules."
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$ECHO "1 - STANDALONE: Appropriate for a basic stand-alone web-surfing workstation"
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$ECHO "2 - MASQUERADE: Appropriate for a machine acting as an Internet gateway"
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$ECHO " for a LAN"
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$ECHO -n "Choose a type of firewall (0-2): "
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read a
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if [ "$a" = 0 -o "$a" = 1 -o "$a" = 2 ] ; then
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break
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fi
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$ECHO "Please enter a number from 0 to 2"
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done
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case "$a" in
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0)
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FIREWALL=NONE
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;;
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1)
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FIREWALL=STANDALONE
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;;
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2)
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FIREWALL=MASQUERADE
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;;
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esac
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fi
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$ECHO ""
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$ECHO "Start this connection at boot time"
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$ECHO ""
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$ECHO "Do you want to start this connection at boot time?"
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$ECHO -n "Please enter no or yes (default no):"
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read boot
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case "$boot" in
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yes|YES) ONBOOT="yes";;
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*) ONBOOT="no";;
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esac
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$ECHO ""
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$ECHO "** Summary of what you entered **"
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$ECHO ""
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$ECHO "Ethernet Interface: $ETH"
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$ECHO "User name: $USER"
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if [ "$DEMAND" = "no" ] ; then
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$ECHO "Activate-on-demand: No"
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else
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$ECHO "Activate-on-demand: Yes; idle timeout = $DEMAND seconds"
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fi
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if [ -n "$DNS1" ] ; then
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if [ "$DNS1" = "server" ] ; then
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$ECHO "DNS addresses: Supplied by ISP's server"
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else
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$ECHO "Primary DNS: $DNS1"
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if [ -n "$DNS2" ] ; then
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$ECHO "Secondary DNS: $DNS2"
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fi
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fi
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else
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$ECHO "DNS: Do not adjust"
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fi
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$ECHO "Firewalling: $FIREWALL"
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$ECHO "User Control: $USERCTL"
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while [ true ] ; do
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$ECHO -n 'Accept these settings and adjust configuration files (y/n)? '
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read ANS
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case "ANS" in
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Y|y|yes|Yes|oui|Oui)
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ANS=y
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;;
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N|n|no|No|non|Non)
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ANS=n
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;;
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esac
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if [ "$ANS" = "y" -o "$ANS" = "n" ] ; then
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break
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fi
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done
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if [ "$ANS" = "y" ] ; then
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break
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fi
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done
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# Adjust configuration files. First to $CONFIG
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$ECHO "Adjusting $CONFIG"
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test -f $CONFIG && copy $CONFIG $CONFIG.bak
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if [ "$DNS1" = "server" ] ; then
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DNS1=""
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DNS2=""
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PEERDNS=yes
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else
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PEERDNS=no
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fi
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# Where is pppd likely to put its pid?
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if [ -d /var/run ] ; then
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VARRUN=/var/run
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else
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VARRUN=/etc/ppp
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fi
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$ECHO "USERCTL=$USERCTL" >$CONFIG
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$ECHO "BOOTPROTO=dialup" >>$CONFIG
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[ -z "$NAME" ] && NAME="DSL$DEVICE"
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$ECHO "NAME=DSL$DEVICE" >>$CONFIG
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$ECHO "DEVICE=$DEVICE" >>$CONFIG
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$ECHO "TYPE=xDSL" >>$CONFIG
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$ECHO "ONBOOT=$ONBOOT" >>$CONFIG
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$ECHO "PIDFILE=/var/run/pppoe-adsl.pid" >>$CONFIG
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$ECHO "FIREWALL=$FIREWALL" >>$CONFIG
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[ -z "$PING" ] && PING="."
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$ECHO "PING=$PING" >>$CONFIG
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[ -z "$PPPOE_TIMEOUT" ] && PPPOE_TIMEOUT=80
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$ECHO "PPPOE_TIMEOUT=$PPPOE_TIMEOUT" >>$CONFIG
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[ -z "$LCP_FAILURE" ] && LCP_FAILURE=3
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$ECHO "LCP_FAILURE=$LCP_FAILURE" >>$CONFIG
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[ -z "$LCP_INTERVAL" ] && LCP_INTERVAL=20
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$ECHO "LCP_INTERVAL=$LCP_INTERVAL" >>$CONFIG
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[ -z "$CLAMPMSS" ] && CLAMPMSS=1412
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$ECHO "CLAMPMSS=$CLAMPMSS" >>$CONFIG
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[ -z "$CONNECT_POLL" ] && CONNECT_POLL=6
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$ECHO "CONNECT_POLL=$CONNECT_POLL" >>$CONFIG
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[ -z "$CONNECT_TIMEOUT" ] && CONNECT_TIMEOUT=60
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$ECHO "CONNECT_TIMEOUT=$CONNECT_TIMEOUT" >>$CONFIG
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[ -z "$DEFROUTE" ] && DEFROUTE=yes
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$ECHO "DEFROUTE=$DEFROUTE" >>$CONFIG
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[ -z "$SYNCHRONOUS" ] && SYNCHRONOUS=no
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$ECHO "SYNCHRONOUS=$SYNCHRONOUS" >>$CONFIG
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$ECHO "ETH=$ETH" >> $CONFIG
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[ -z "$PROVIDER" ] && PROVIDER="$NAME"
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$ECHO "PROVIDER=$PROVIDER" >>$CONFIG
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$ECHO "USER=$USER" >>$CONFIG
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$ECHO "PEERDNS=$PEERDNS" >>$CONFIG
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$ECHO "DEMAND=$DEMAND" >>$CONFIG
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if [ -n "$DNS1" ] ; then
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if [ "$DNS1" != "server" ] ; then
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$ECHO "Adjusting $RESOLVFILE"
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if [ -r $RESOLVFILE ] ; then
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grep -s "MADE-BY-RP-PPPOE" $RESOLVFILE > /dev/null 2>&1
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if [ "$?" != 0 ] ; then
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$ECHO " (But first backing it up to $RESOLVFILE.bak)"
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test -f $$RESOLVFILE && copy $RESOLVFILE $RESOLVFILE.bak
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fi
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fi
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$ECHO "# MADE-BY-RP-PPPOE" > $RESOLVFILE
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$ECHO "nameserver $DNS1" >> $RESOLVFILE
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if [ -n "$DNS2" ] ; then
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$ECHO "nameserver $DNS2" >> $RESOLVFILE
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fi
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fi
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fi
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$ECHO "Adjusting $PAPFILE and $CHAPFILE"
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if [ -r $PAPFILE ] ; then
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$ECHO " (But first backing it up to $PAPFILE.bak)"
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test -f $PAPFILE && copy $PAPFILE $PAPFILE.bak
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else
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cp /dev/null $PAPFILE.bak
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fi
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if [ -r $CHAPFILE ] ; then
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$ECHO " (But first backing it up to $CHAPFILE.bak)"
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test -f $CHAPFILE && copy $CHAPFILE $CHAPFILE.bak
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else
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cp /dev/null $CHAPFILE.bak
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fi
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egrep -v "^$USER|^\"$USER\"" $PAPFILE.bak > $PAPFILE
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$ECHO "\"$USER\" * \"$PWD1\"" >> $PAPFILE
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egrep -v "^$USER|^\"$USER\"" $CHAPFILE.bak > $CHAPFILE
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$ECHO "\"$USER\" * \"$PWD1\"" >> $CHAPFILE
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$ECHO ""
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$ECHO ""
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$ECHO ""
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$ECHO "Congratulations, it should be all set up!"
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$ECHO ""
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$ECHO "Type '/sbin/ifup $dsl_device' to bring up your xDSL link and '/sbin/ifdown $dsl_device'"
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$ECHO "to bring it down."
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$ECHO "Type '/sbin/pppoe-status $NETWORKDIR/ifcfg-$dsl_device'"
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$ECHO "to see the link status."
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$ECHO ""
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exit 0
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