486 lines
12 KiB
Bash
486 lines
12 KiB
Bash
#!/bin/bash
|
|
#***********************************************************************
|
|
#
|
|
# pppoe-setup
|
|
#
|
|
# All-purpose slicing/dicing shell script to configure rp-pppoe.
|
|
#
|
|
# Copyright (C) 2000 Roaring Penguin Software Inc.
|
|
#
|
|
# $Id$
|
|
#***********************************************************************
|
|
|
|
# Paths to programs and config files
|
|
IP=/usr/sbin/ip
|
|
PPPD=/usr/sbin/pppd
|
|
PPPOE=/usr/sbin/pppoe
|
|
ECHO=/usr/bin/echo
|
|
LS=/usr/bin/ls
|
|
ID=/usr/bin/id
|
|
NETWORKDIR=/etc/sysconfig/network
|
|
PAPFILE=/etc/ppp/chap-secrets
|
|
CHAPFILE=/etc/ppp/pap-secrets
|
|
RESOLVFILE=/etc/resolv.conf
|
|
|
|
# Set to "C" locale so we can parse messages from commands
|
|
LANG=C
|
|
export LANG
|
|
|
|
# Protect created files
|
|
umask 077
|
|
|
|
copy() {
|
|
cp $1 $2
|
|
if [ "$?" != 0 ] ; then
|
|
$ECHO "*** Error copying $1 to $2"
|
|
$ECHO "*** Quitting."
|
|
exit 1
|
|
fi
|
|
}
|
|
|
|
get_device() {
|
|
if [ ! -d $NETWORKDIR ] ; then
|
|
$ECHO "** $NETWORKDIR not found"
|
|
$ECHO "** Quitting"
|
|
exit 1
|
|
fi
|
|
|
|
cd $NETWORKDIR
|
|
interfaces=$($LS ifcfg-ppp* 2>/dev/null | grep -E -v '(~|\.bak)$' | \
|
|
grep -E -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
|
|
device_count=$[$device_count+1]
|
|
devices="$devices $DEVICE"
|
|
fi
|
|
done
|
|
}
|
|
|
|
clear_env() {
|
|
unset USERCTL BOOTPROTO NAME DEVICE TYPE ONBOOT FIREWALL PING \
|
|
PPPOE_TIMEOUT LCP_FAILURE LCP_INTERVAL CLAMPMSS CONNECT_POLL \
|
|
CONNECT_TIMEOUT DEFROUTE SYNCHRONOUS ETH PROVIDER USER PEERDNS \
|
|
DNS1 DNS2
|
|
}
|
|
|
|
|
|
clear
|
|
|
|
$ECHO "Welcome to the PPPoE client setup. First, I will run some checks on"
|
|
$ECHO "your system to make sure the PPPoE client is installed properly..."
|
|
$ECHO ""
|
|
|
|
# Must be root
|
|
if [ "`$ID -u`" != 0 ] ; then
|
|
$ECHO "$0: Sorry, you must be root to run this script"
|
|
exit 1
|
|
fi
|
|
|
|
# Must have pppd
|
|
if [ ! -x $PPPD ] ; then
|
|
$ECHO "Oops, I can't execute the program '$PPPD'. You"
|
|
$ECHO "must install the PPP software suite, version 2.3.10 or later."
|
|
exit 1
|
|
fi
|
|
|
|
# get the DSL config files in /etc/sysconfig/network
|
|
devices=""
|
|
device_count=0
|
|
get_device
|
|
|
|
if [ $device_count -gt 0 ] ; then
|
|
$ECHO "The following DSL config was found on your system:"
|
|
$ECHO ""
|
|
$ECHO " Device: Name:"
|
|
|
|
for i in $devices ; do
|
|
. $NETWORKDIR/ifcfg-$i
|
|
$ECHO " $i $NAME"
|
|
done
|
|
|
|
$ECHO ""
|
|
|
|
for i in $devices ; do
|
|
default_device=$i
|
|
break
|
|
done
|
|
|
|
clear_env
|
|
|
|
while [ true ] ; do
|
|
$ECHO "Please enter the device if you want to configure the present DSL config"
|
|
$ECHO -n "(default $default_device) or enter 'n' if you want to create a new one: "
|
|
|
|
read dev
|
|
|
|
if [ "$dev" = "n" ] ; then
|
|
i=0
|
|
while true; do
|
|
found=0
|
|
for j in $interfaces ; do
|
|
if [ "$j" = "ppp$i" ] ; then
|
|
found=1
|
|
break
|
|
fi
|
|
done
|
|
if [ $found -eq 0 ] ; then
|
|
dsl_device="ppp$i"
|
|
break
|
|
fi
|
|
i=$[$i+1]
|
|
done
|
|
if [ -z "$dsl_device" ]; then
|
|
dev=0
|
|
while [ -e $NETWORKDIR/ifcfg-ppp$dev ]; do
|
|
dev=`expr $dev + 1`
|
|
done
|
|
dsl_device="ppp$dev"
|
|
fi
|
|
break
|
|
else
|
|
if [ -n "$default_device" ] ; then
|
|
if [ -n "$dev" ] ; then
|
|
dsl_device="$dev"
|
|
else
|
|
dsl_device="$default_device"
|
|
fi
|
|
fi
|
|
for i in $devices ; do
|
|
[ "$dsl_device" = "$i" ] && break
|
|
done
|
|
if [ "$dsl_device" = "$i" ] ; then
|
|
break
|
|
fi
|
|
$ECHO "Device '$dsl_device' is not found in the list, please choose the correct one"
|
|
fi
|
|
done
|
|
else
|
|
dev=0
|
|
while [ -e $NETWORKDIR/ifcfg-ppp$dev ]; do
|
|
dev=`expr $dev + 1`
|
|
done
|
|
dsl_device="ppp$dev"
|
|
fi
|
|
|
|
CONFIG="$NETWORKDIR/ifcfg-$dsl_device"
|
|
DEVICE=$dsl_device
|
|
export CONFIG
|
|
|
|
[ "$dev" = "n" ] || . $CONFIG 2>/dev/null
|
|
[ "$DEMAND" = "" ] && DEMAND=no
|
|
|
|
while [ true ] ; do
|
|
$ECHO ""
|
|
$ECHO "LOGIN NAME"
|
|
$ECHO ""
|
|
if [ -z "$USER" ] ; then
|
|
$ECHO -n "Enter your Login Name: "
|
|
else
|
|
$ECHO -n "Enter your Login Name (default $USER): "
|
|
fi
|
|
|
|
read U
|
|
|
|
if [ -z "$U" ] ; then
|
|
if [ -z "$USER" ] ; then
|
|
continue
|
|
fi
|
|
else
|
|
USER="$U"
|
|
fi
|
|
|
|
|
|
# Under Linux, "fix" the default interface if eth1 is not available
|
|
[ -n "$ETH" ] || ETH=eth0
|
|
if test `uname -s` = "Linux" ; then
|
|
$IP link show $ETH > /dev/null 2>&1 || ETH=eth0
|
|
fi
|
|
$ECHO ""
|
|
$ECHO "INTERFACE"
|
|
$ECHO ""
|
|
$ECHO "Enter the Ethernet interface connected to the PPPoE modem"
|
|
$ECHO "For Solaris, this is likely to be something like /dev/hme0."
|
|
$ECHO "For Linux, it will be ethX, where 'X' is a number."
|
|
$ECHO -n "(default $ETH): "
|
|
read E
|
|
|
|
if [ -n "$E" ] ; then
|
|
ETH="$E"
|
|
fi
|
|
|
|
$ECHO ""
|
|
$ECHO "Do you want the link to come up on demand, or stay up continuously?"
|
|
$ECHO "If you want it to come up on demand, enter the idle time in seconds"
|
|
$ECHO "after which the link should be dropped. If you want the link to"
|
|
$ECHO "stay up permanently, enter 'no' (two letters, lower-case.)"
|
|
$ECHO "NOTE: Demand-activated links do not interact well with dynamic IP"
|
|
$ECHO "addresses. You may have some problems with demand-activated links."
|
|
$ECHO -n "Enter the demand value (default $DEMAND): "
|
|
read D
|
|
if [ -n "$D" ] ; then
|
|
DEMAND="$D"
|
|
fi
|
|
|
|
$ECHO ""
|
|
$ECHO "DNS"
|
|
$ECHO ""
|
|
$ECHO "Please enter the IP address of your ISP's primary DNS server."
|
|
$ECHO "If your ISP claims that 'the server will provide dynamic DNS addresses',"
|
|
$ECHO "enter 'server' (all lower-case) here."
|
|
$ECHO "If you just press enter, I will assume you know what you are"
|
|
$ECHO "doing and not modify your DNS setup."
|
|
$ECHO -n "Enter the DNS information here: "
|
|
|
|
read DNS1
|
|
|
|
|
|
if [ -n "$DNS1" ] ; then
|
|
if [ "$DNS1" != "server" ] ; then
|
|
$ECHO "Please enter the IP address of your ISP's secondary DNS server."
|
|
$ECHO "If you just press enter, I will assume there is only one DNS server."
|
|
$ECHO -n "Enter the secondary DNS server address here: "
|
|
read DNS2
|
|
fi
|
|
fi
|
|
|
|
while [ true ] ; do
|
|
$ECHO ""
|
|
$ECHO "PASSWORD"
|
|
$ECHO ""
|
|
stty -echo
|
|
$ECHO -n "Please enter your Password: "
|
|
read PWD1
|
|
$ECHO ""
|
|
$ECHO -n "Please re-enter your Password: "
|
|
read PWD2
|
|
$ECHO ""
|
|
stty echo
|
|
if [ "$PWD1" = "$PWD2" ] ; then
|
|
break
|
|
fi
|
|
|
|
$ECHO -n "Sorry, the passwords do not match. Try again? (y/n)"
|
|
read ANS
|
|
case "$ANS" in
|
|
N|No|NO|Non|n|no|non)
|
|
$ECHO "OK, quitting. Bye."
|
|
exit 1
|
|
esac
|
|
done
|
|
|
|
# Usercontrol
|
|
$ECHO ""
|
|
$ECHO "USERCTRL"
|
|
$ECHO
|
|
$ECHO "Please enter 'yes' (three letters, lower-case.) if you want to allow"
|
|
$ECHO -n "normal user to start or stop DSL connection (default yes): "
|
|
|
|
read USERCTL
|
|
|
|
if [ -z "$USERCTL" ] ; then
|
|
USERCTL="yes"
|
|
fi
|
|
|
|
# Firewalling
|
|
$ECHO ""
|
|
$ECHO "FIREWALLING"
|
|
$ECHO ""
|
|
if test `uname -s` != "Linux" ; then
|
|
$ECHO "Sorry, firewalling is only supported under Linux. Consult"
|
|
$ECHO "your operating system manuals for details on setting up"
|
|
$ECHO "packet filters for your system."
|
|
FIREWALL=NONE
|
|
else
|
|
$ECHO "Please choose the firewall rules to use. Note that these rules are"
|
|
$ECHO "very basic. You are strongly encouraged to use a more sophisticated"
|
|
$ECHO "firewall setup; however, these will provide basic security. If you"
|
|
$ECHO "are running any servers on your machine, you must choose 'NONE' and"
|
|
$ECHO "set up firewalling yourself. Otherwise, the firewall rules will deny"
|
|
$ECHO "access to all standard servers like Web, e-mail, ftp, etc. If you"
|
|
$ECHO "are using SSH, the rules will block outgoing SSH connections which"
|
|
$ECHO "allocate a privileged source port."
|
|
$ECHO ""
|
|
while [ true ] ; do
|
|
$ECHO "The firewall choices are:"
|
|
$ECHO "0 - NONE: This script will not set any firewall rules. You are responsible"
|
|
$ECHO " for ensuring the security of your machine. You are STRONGLY"
|
|
$ECHO " recommended to use some kind of firewall rules."
|
|
$ECHO "1 - STANDALONE: Appropriate for a basic stand-alone web-surfing workstation"
|
|
$ECHO "2 - MASQUERADE: Appropriate for a machine acting as an Internet gateway"
|
|
$ECHO " for a LAN"
|
|
$ECHO -n "Choose a type of firewall (0-2): "
|
|
read a
|
|
if [ "$a" = 0 -o "$a" = 1 -o "$a" = 2 ] ; then
|
|
break
|
|
fi
|
|
$ECHO "Please enter a number from 0 to 2"
|
|
done
|
|
|
|
case "$a" in
|
|
0)
|
|
FIREWALL=NONE
|
|
;;
|
|
1)
|
|
FIREWALL=STANDALONE
|
|
;;
|
|
2)
|
|
FIREWALL=MASQUERADE
|
|
;;
|
|
esac
|
|
fi
|
|
|
|
$ECHO ""
|
|
$ECHO "Start this connection at boot time"
|
|
$ECHO ""
|
|
$ECHO "Do you want to start this connection at boot time?"
|
|
$ECHO -n "Please enter no or yes (default no):"
|
|
read boot
|
|
case "$boot" in
|
|
yes|YES) ONBOOT="yes";;
|
|
*) ONBOOT="no";;
|
|
esac
|
|
|
|
$ECHO ""
|
|
$ECHO "** Summary of what you entered **"
|
|
$ECHO ""
|
|
$ECHO "Ethernet Interface: $ETH"
|
|
$ECHO "User name: $USER"
|
|
if [ "$DEMAND" = "no" ] ; then
|
|
$ECHO "Activate-on-demand: No"
|
|
else
|
|
$ECHO "Activate-on-demand: Yes; idle timeout = $DEMAND seconds"
|
|
fi
|
|
|
|
if [ -n "$DNS1" ] ; then
|
|
if [ "$DNS1" = "server" ] ; then
|
|
$ECHO "DNS addresses: Supplied by ISP's server"
|
|
else
|
|
$ECHO "Primary DNS: $DNS1"
|
|
if [ -n "$DNS2" ] ; then
|
|
$ECHO "Secondary DNS: $DNS2"
|
|
fi
|
|
fi
|
|
else
|
|
$ECHO "DNS: Do not adjust"
|
|
fi
|
|
$ECHO "Firewalling: $FIREWALL"
|
|
$ECHO "User Control: $USERCTL"
|
|
while [ true ] ; do
|
|
$ECHO -n 'Accept these settings and adjust configuration files (y/n)? '
|
|
read ANS
|
|
case "ANS" in
|
|
Y|y|yes|Yes|oui|Oui)
|
|
ANS=y
|
|
;;
|
|
N|n|no|No|non|Non)
|
|
ANS=n
|
|
;;
|
|
esac
|
|
if [ "$ANS" = "y" -o "$ANS" = "n" ] ; then
|
|
break
|
|
fi
|
|
done
|
|
if [ "$ANS" = "y" ] ; then
|
|
break
|
|
fi
|
|
done
|
|
|
|
# Adjust configuration files. First to $CONFIG
|
|
|
|
$ECHO "Adjusting $CONFIG"
|
|
|
|
test -f $CONFIG && copy $CONFIG $CONFIG.bak
|
|
if [ "$DNS1" = "server" ] ; then
|
|
DNS1=""
|
|
DNS2=""
|
|
PEERDNS=yes
|
|
else
|
|
PEERDNS=no
|
|
fi
|
|
|
|
$ECHO "USERCTL=$USERCTL" >$CONFIG
|
|
$ECHO "BOOTPROTO=dialup" >>$CONFIG
|
|
[ -z "$NAME" ] && NAME="DSL$DEVICE"
|
|
$ECHO "NAME=DSL$DEVICE" >>$CONFIG
|
|
$ECHO "DEVICE=$DEVICE" >>$CONFIG
|
|
$ECHO "TYPE=xDSL" >>$CONFIG
|
|
$ECHO "ONBOOT=$ONBOOT" >>$CONFIG
|
|
$ECHO "PIDFILE=/run/pppoe-adsl.pid" >>$CONFIG
|
|
$ECHO "FIREWALL=$FIREWALL" >>$CONFIG
|
|
[ -z "$PING" ] && PING="."
|
|
$ECHO "PING=$PING" >>$CONFIG
|
|
[ -z "$PPPOE_TIMEOUT" ] && PPPOE_TIMEOUT=80
|
|
$ECHO "PPPOE_TIMEOUT=$PPPOE_TIMEOUT" >>$CONFIG
|
|
[ -z "$LCP_FAILURE" ] && LCP_FAILURE=3
|
|
$ECHO "LCP_FAILURE=$LCP_FAILURE" >>$CONFIG
|
|
[ -z "$LCP_INTERVAL" ] && LCP_INTERVAL=20
|
|
$ECHO "LCP_INTERVAL=$LCP_INTERVAL" >>$CONFIG
|
|
[ -z "$CLAMPMSS" ] && CLAMPMSS=1412
|
|
$ECHO "CLAMPMSS=$CLAMPMSS" >>$CONFIG
|
|
[ -z "$CONNECT_POLL" ] && CONNECT_POLL=6
|
|
$ECHO "CONNECT_POLL=$CONNECT_POLL" >>$CONFIG
|
|
[ -z "$CONNECT_TIMEOUT" ] && CONNECT_TIMEOUT=60
|
|
$ECHO "CONNECT_TIMEOUT=$CONNECT_TIMEOUT" >>$CONFIG
|
|
[ -z "$DEFROUTE" ] && DEFROUTE=yes
|
|
$ECHO "DEFROUTE=$DEFROUTE" >>$CONFIG
|
|
[ -z "$SYNCHRONOUS" ] && SYNCHRONOUS=no
|
|
$ECHO "SYNCHRONOUS=$SYNCHRONOUS" >>$CONFIG
|
|
$ECHO "ETH=$ETH" >> $CONFIG
|
|
[ -z "$PROVIDER" ] && PROVIDER="$NAME"
|
|
$ECHO "PROVIDER=$PROVIDER" >>$CONFIG
|
|
$ECHO "USER=$USER" >>$CONFIG
|
|
$ECHO "PEERDNS=$PEERDNS" >>$CONFIG
|
|
$ECHO "DEMAND=$DEMAND" >>$CONFIG
|
|
|
|
if [ -n "$DNS1" ] ; then
|
|
if [ "$DNS1" != "server" ] ; then
|
|
$ECHO "Adjusting $RESOLVFILE"
|
|
if [ -r $RESOLVFILE ] ; then
|
|
grep -s "MADE-BY-RP-PPPOE" $RESOLVFILE > /dev/null 2>&1
|
|
if [ "$?" != 0 ] ; then
|
|
$ECHO " (But first backing it up to $RESOLVFILE.bak)"
|
|
test -f $$RESOLVFILE && copy $RESOLVFILE $RESOLVFILE.bak
|
|
fi
|
|
fi
|
|
$ECHO "# MADE-BY-RP-PPPOE" > $RESOLVFILE
|
|
$ECHO "nameserver $DNS1" >> $RESOLVFILE
|
|
if [ -n "$DNS2" ] ; then
|
|
$ECHO "nameserver $DNS2" >> $RESOLVFILE
|
|
fi
|
|
fi
|
|
fi
|
|
|
|
$ECHO "Adjusting $PAPFILE and $CHAPFILE"
|
|
if [ -r $PAPFILE ] ; then
|
|
$ECHO " (But first backing it up to $PAPFILE.bak)"
|
|
test -f $PAPFILE && copy $PAPFILE $PAPFILE.bak
|
|
else
|
|
cp /dev/null $PAPFILE.bak
|
|
fi
|
|
if [ -r $CHAPFILE ] ; then
|
|
$ECHO " (But first backing it up to $CHAPFILE.bak)"
|
|
test -f $CHAPFILE && copy $CHAPFILE $CHAPFILE.bak
|
|
else
|
|
cp /dev/null $CHAPFILE.bak
|
|
fi
|
|
|
|
grep -E -v "^$USER|^\"$USER\"" $PAPFILE.bak > $PAPFILE
|
|
$ECHO "\"$USER\" * \"$PWD1\"" >> $PAPFILE
|
|
grep -E -v "^$USER|^\"$USER\"" $CHAPFILE.bak > $CHAPFILE
|
|
$ECHO "\"$USER\" * \"$PWD1\"" >> $CHAPFILE
|
|
|
|
$ECHO ""
|
|
$ECHO ""
|
|
$ECHO ""
|
|
$ECHO "Congratulations, it should be all set up!"
|
|
$ECHO ""
|
|
$ECHO "Type '/usr/sbin/ifup $dsl_device' to bring up your xDSL link and '/sbin/ifdown $dsl_device'"
|
|
$ECHO "to bring it down."
|
|
$ECHO "Type '/usr/sbin/pppoe-status $NETWORKDIR/ifcfg-$dsl_device'"
|
|
$ECHO "to see the link status."
|
|
$ECHO ""
|
|
|
|
exit 0
|