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NETCONFI.{1P
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1994-06-09
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15KB
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511 lines
#!/bin/sh
# This checks IP address syntax.
# usage: syntax_check ADDRESS #-OF-EXPECTED-SEGMENTS (up to 4)
# example: syntax_check 123.22.43.1 4
# returns: 0=found correct 1=too many fields 2=non numeric field found
syntax_check_color() {
RET_CODE=0
SCRATCH=$1
SCRATCH=`echo $SCRATCH | tr "." "/"`
INDEX=$2
while [ ! "$INDEX" = "0" ]; do
# OK, so I'm a LISP-head :^)
FIELD=`basename $SCRATCH`
SCRATCH=`dirname $SCRATCH`
if expr $FIELD + 1 1> /dev/null 2> /dev/null; then
GOOD=y
else
RET_CODE=2; # non-numeric field
fi
INDEX=`expr $INDEX - 1`
done
if [ ! "$SCRATCH" = "." ]; then
RET_CODE=1; # too many arguments
fi
if [ "$3" = "WARN" -a ! "$RET_CODE" = "0" ]; then
cat << EOF > /tmp/tmpmsg
The address you have entered seems to be non-standard. We were expecting
$2 groups of numbers seperated by dots, like: 127.0.0.1
Are you absolutely sure you want to use the address $1?
EOF
dialog --title "WARNING" --yesno "`cat /tmp/tmpmsg`" 9 72
if [ $? = 0 ]; then
RET_CODE = 0;
fi
rm -r /tmp/tmpmsg
else
if [ "$3" = "ECHO" ]; then
echo $RET_CODE;
fi
fi
return $RET_CODE;
}
if [ ! -r vmlinuz -a ! -r zImage ]; then # cheap, but it works :^)
cd /
fi;
# IMPORTANT!!! NO LEADING '/' in the paths below, or this script will not
# function from the bootdisk.
IFCONFIG=sbin/ifconfig # Where ifconfig program is.
ROUTE=sbin/route # Where route program is.
RC=etc/rc.d/rc.inet1 # Where rc.inet1 file is.
RESOLV=etc/resolv.conf # Where resolv.conf file is.
HOSTS=etc/hosts # Where hosts file is.
ETCNETWORKS=etc/networks # Where networks file is.
SMAIL=var/lib/smail/config # Smail configuration file
ELMRC=var/lib/elm/elm.rc # ELM rc file
#
# defaults:
NETWORK=127.0.0.0
IPADDR=127.0.0.1
#
############################################################################
# Question and answer.
############################################################################
#
cat << EOF > /tmp/tmpmsg
Now we will attempt to configure your mail and TCP/IP. This
process probably won't work on all possible network
configurations, but should give you a good start. You will be
able to reconfigure your system at any time by typing:
netconfig
EOF
dialog --title "NETWORK CONFIGURATION" --msgbox "`cat /tmp/tmpmsg`" 12 70
HOSTNAME=""
while [ "$HOSTNAME" = "" ]; do
cat << EOF > /tmp/tmpmsg
First, we'll need the name you'd like to give your host. Only
the base hostname is needed right now. (not the domain)
Enter hostname:
EOF
dialog --title "ENTER HOSTNAME" --inputbox "`cat /tmp/tmpmsg`" 11 70 \
2> /tmp/SeThost
if [ $? = 1 -o $? = 255 ]; then
rm -f /tmp/SeThost /tmp/tmpmsg
exit
fi
HOSTNAME="`cat /tmp/SeThost`"
rm -f /tmp/SeThost /tmp/tmpmsg
done
while [ "$DOMAIN" = "" ]; do
cat << EOF > /tmp/tmpmsg
Now, we need the domain name. Do not supply a leading '.'
Enter domain name for $HOSTNAME:
EOF
dialog --title "ENTER DOMAINNAME" --inputbox "`cat /tmp/tmpmsg`" \
10 70 2> /tmp/SeTdom
if [ $? = 1 -o $? = 255 ]; then
rm -f /tmp/SeTdom /tmp/tmpmsg
exit
fi
DOMAIN="`cat /tmp/SeTdom`"
rm -f /tmp/SeTdom /tmp/tmpmsg
done
echo $HOSTNAME.$DOMAIN > etc/HOSTNAME
cat << EOF > /tmp/tmpmsg
If you only plan to use TCP/IP through loopback, then your
IP address will be 127.0.0.1 and we can skip a lot of the
following questions.
Do you plan to ONLY use loopback?
EOF
dialog --title "LOOPBACK ONLY?" --yesno "`cat /tmp/tmpmsg`" 9 70
if [ $? = 0 ]; then
LOOPBACK="y"
else
LOOPBACK="n"
fi
if [ -r etc/rc.d/rc.inet1 -a "$LOOPBACK" = "n" ]; then
while [ 0 ]; do
cat << EOF > /tmp/tmpmsg
Enter your IP address for the local machine. Example:
111.112.113.114
Enter IP address for $HOSTNAME (aaa.bbb.ccc.ddd):
EOF
dialog --title "ENTER LOCAL IP ADDRESS" --inputbox "`cat /tmp/tmpmsg`" \
10 68 2> /tmp/SeTlip
if [ $? = 1 -o $? = 255 ]; then
rm -f /tmp/SeTlip /tmp/tmpmsg
exit
fi
IPADDR="`cat /tmp/SeTlip`"
rm -f /tmp/SeTlip /tmp/tmpmsg
if [ "$IPADDR" = "" ]; then
continue;
fi
syntax_check_color $IPADDR 4 WARN
if [ $? = 0 ]; then
break;
fi
done
while [ 0 ]; do
cat << EOF > /tmp/tmpmsg
Enter your network address. This will usually be your
IP address with the last number replaced by 0, such as
111.112.113.0
Enter network address (aaa.bbb.ccc.ddd):
EOF
dialog --title "ENTER NETWORK ADDRESS" --inputbox \
"`cat /tmp/tmpmsg`" 11 65 2> /tmp/SeTneta
if [ $? = 1 -o $? = 255 ]; then
rm -f /tmp/SeTneta /tmp/tmpmsg
exit
fi
NETWORK="`cat /tmp/SeTneta`"
rm -f /tmp/SeTneta /tmp/tmpmsg
if [ "$NETWORK" = "" ]; then
continue;
fi
syntax_check_color $NETWORK 4 WARN
if [ $? = 0 ]; then
break;
fi
done
while [ 0 ]; do
cat << EOF > /tmp/tmpmsg
Enter your gateway address, such as 111.112.113.1
Enter gateway address (aaa.bbb.ccc.ddd):
EOF
dialog --title "ENTER GATEWAY ADDRESS" --inputbox "`cat /tmp/tmpmsg`" \
9 65 2> /tmp/SeTgate
if [ $? = 1 -o $? = 255 ]; then
rm -f /tmp/SeTgate /tmp/tmpmsg
exit
fi
GATEWAY="`cat /tmp/SeTgate`"
rm -f /tmp/SeTgate /tmp/tmpmsg
if [ "$GATEWAY" = "" ]; then
continue;
fi
syntax_check_color $GATEWAY 4 WARN
if [ $? = 0 ]; then
break;
fi
done
while [ 0 ]; do
cat << EOF > /tmp/tmpmsg
Enter your netmask. This will generally look something
like this: 255.255.255.0
Enter netmask (aaa.bbb.ccc.ddd):
EOF
dialog --title "ENTER NETMASK" --inputbox "`cat /tmp/tmpmsg`" \
10 65 2> /tmp/SeTnmask
if [ $? = 1 -o $? = 255 ]; then
rm -f /tmp/SeTnmask /tmp/tmpmsg
exit
fi
NETMASK="`cat /tmp/SeTnmask`"
rm -f /tmp/SeTnmask /tmp/tmpmsg
if [ "$NETMASK" = "" ]; then
continue;
fi
syntax_check_color $NETMASK 4 WARN
if [ $? = 0 ]; then
break;
fi
done
while [ "$BROADCAST" = "" ]; do
cat << EOF > /tmp/tmpmsg
Your broadcast address will usually be your IP address
with 255 replacing the last value, such as: 111.112.113.255
Enter broadcast address (aaa.bbb.ccc.ddd):
EOF
dialog --title "ENTER BROADCAST ADDRESS" --inputbox \
"`cat /tmp/tmpmsg`" 10 70 2> /tmp/SeTbcast
if [ $? = 1 -o $? = 255 ]; then
rm -f /tmp/tmpmsg /tmp/SeTbcast
fi
BROADCAST="`cat /tmp/SeTbcast`"
rm -f /tmp/tmpmsg /tmp/SeTbcast
if [ "$BROADCAST" = "" ]; then
continue;
fi
syntax_check_color $BROADCAST 4 WARN
if [ $? = 0 ]; then
break;
fi
done
else
if [ ! -r etc/rc.d/rc.inet1 ]; then
cat << EOF > /tmp/tmpmsg
You do not seem to have TCP/IP installed, so all I can really set
up for you is your hostname/domainname. This won't mean much
since you're not on the network, but it will let you have the
hostname you prefer shown at the login prompt.
EOF
dialog --title "SKIPPING MOST OF THE CONFIG PROCESS" \
--infobox "`cat /tmp/tmpmsg`" 10 70
fi
fi
#
############################################################################
# The rc.inet1 file.
############################################################################
#
if [ -f $RC ]; then
cp $RC tmp/`basename $RC`.OLD
# echo "Creating /$RC..."
if [ "$LOOPBACK" = "n" ]; then # we are using an ethernet card
/bin/cat <<EOF >$RC
#! /bin/sh
#
# rc.inet1 This shell script boots up the base INET system.
#
# Version: @(#)/etc/rc.d/rc.inet1 1.01 05/27/93
#
HOSTNAME=\`cat /etc/HOSTNAME\`
# Attach the loopback device.
/$IFCONFIG lo 127.0.0.1
/$ROUTE add -net 127.0.0.0
# IF YOU HAVE AN ETHERNET CONNECTION, use these lines below to configure the
# eth0 interface. If you're only using loopback or SLIP, don't include the
# rest of the lines in this file.
# Edit for your setup.
IPADDR="$IPADDR" # REPLACE with YOUR IP address!
NETMASK="$NETMASK" # REPLACE with YOUR netmask!
NETWORK="$NETWORK" # REPLACE with YOUR network address!
BROADCAST="$BROADCAST" # REPLACE with YOUR broadcast address, if you
# have one. If not, leave blank and edit below.
GATEWAY="$GATEWAY" # REPLACE with YOUR gateway address!
# Uncomment ONLY ONE of the three lines below. If one doesn't work, try again.
# /$IFCONFIG eth0 \${IPADDR} netmask \${NETMASK} broadcast \${BROADCAST}
/$IFCONFIG eth0 \${IPADDR} broadcast \${BROADCAST} netmask \${NETMASK}
# /$IFCONFIG eth0 \${IPADDR} netmask \${NETMASK}
# Uncomment these to set up your IP routing table.
/$ROUTE add -net \${NETWORK} netmask \${NETMASK}
/$ROUTE add default gw \${GATEWAY} metric 1
# End of rc.inet1
EOF
chmod 755 $RC
else # we are only using loopback
/bin/cat <<EOF >$RC
#! /bin/sh
#
# rc.inet1 This shell script boots up the base INET system.
#
# Version: @(#)/etc/rc.d/rc.inet1 1.01 05/27/93
#
HOSTNAME=\`cat /etc/HOSTNAME\`
# Attach the loopback device.
/$IFCONFIG lo 127.0.0.1
/$ROUTE add -net 127.0.0.0
# IF YOU HAVE AN ETHERNET CONNECTION, use these lines below to configure the
# eth0 interface. If you're only using loopback or SLIP, don't include the
# rest of the lines in this file.
# Edit for your setup.
#IPADDR="$IPADDR" # REPLACE with YOUR IP address!
#NETMASK="$NETMASK" # REPLACE with YOUR netmask!
#NETWORK="$NETWORK" # REPLACE with YOUR network address!
#BROADCAST="$BROADCAST" # REPLACE with YOUR broadcast address, if you
# have one. If not, leave blank and edit below.
#GATEWAY="$GATEWAY" # REPLACE with YOUR gateway address!
# Uncomment ONLY ONE of the three lines below. If one doesn't work, try again.
# /$IFCONFIG eth0 \${IPADDR} netmask \${NETMASK} broadcast \${BROADCAST}
#/$IFCONFIG eth0 \${IPADDR} broadcast \${BROADCAST} netmask \${NETMASK}
# /$IFCONFIG eth0 \${IPADDR} netmask \${NETMASK}
# Uncomment these to set up your IP routing table.
#/$ROUTE add -net \${NETWORK} netmask \${NETMASK}
#/$ROUTE add default gw \${GATEWAY} metric 1
# End of rc.inet1
EOF
chmod 755 $RC
fi # write out the script
fi # only alter if it already exists
#
############################################################################
# The networks file.
############################################################################
#
if [ -f $ETCNETWORKS ]; then
cp $ETCNETWORKS tmp/`basename $ETCNETWORKS`.OLD
fi
#echo "Creating /$ETCNETWORKS..."
/bin/cat <<EOF >$ETCNETWORKS
#
# networks This file describes a number of netname-to-address
# mappings for the TCP/IP subsystem. It is mostly
# used at boot time, when no name servers are running.
#
# Version: @(#)/etc/networks 2.00 04/30/93
#
# Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org
#
loopback 127.0.0.0
localnet $NETWORK
# End of networks.
EOF
chmod 644 $ETCNETWORKS
#
############################################################################
# The hosts file.
############################################################################
#
#echo "Creating /$HOSTS..."
if [ -f $HOSTS ];then cp $HOSTS tmp/`basename $HOSTS`.OLD;fi
/bin/cat <<EOF >$HOSTS
#
# hosts This file describes a number of hostname-to-address
# mappings for the TCP/IP subsystem. It is mostly
# used at boot time, when no name servers are running.
# On small systems, this file can be used instead of a
# "named" name server. Just add the names, addresses
# and any aliases to this file...
#
# Version: @(#)/etc/hosts 2.00 04/30/93
#
# Author: Fred N. van Kempen, <waltje@uwalt.nl.mugnet.org>
#
# For loopbacking.
127.0.0.1 localhost
$IPADDR $HOSTNAME.$DOMAIN $HOSTNAME
# End of hosts.
EOF
chmod 644 $HOSTS
#
##########################################################################
# The Smail 3.1.28 configuration file
##########################################################################
#
mkdir -p `dirname $SMAIL`
if [ -f $SMAIL ];then
cp $SMAIL tmp/`basename $SMAIL`.OLD
fi
#echo "Creating /$SMAIL..."
/bin/cat <<EOF >$SMAIL
#
# smail configuration for $HOSTNAME
# (see smail(5) man page for details and other options)
#
-smtp_debug
hostname=$HOSTNAME.$DOMAIN
visible_domain=$DOMAIN
more_hostnames=$HOSTNAME.$DOMAIN
postmaster=postmaster
smtp_accept_max=10
EOF
echo 'smtp_banner="$primary_name Linux Smail$version #$compile_num ready at $date"' >> $SMAIL
echo 'received_field="Received: \ ' >> $SMAIL
echo ' ${if def:sender_host \ ' >> $SMAIL
echo ' {from $sender_host by $primary_name \ ' >> $SMAIL
echo ' ${if def:sender_proto: with $sender_proto}\ ' >> $SMAIL
echo ' \n\t(Linux Smail$version #$compile_num) }\ ' >> $SMAIL
echo ' else{by $primary_name ${if def:sender_proto:with $sender_proto }\ ' >> $SMAIL
echo ' (Linux Smail$version #$compile_num)\n\t}}\ ' >> $SMAIL
echo ' id $message_id; $spool_date" ' >> $SMAIL
chmod 644 $SMAIL
#
############################################################################
# The ELM rc file
############################################################################
#
mkdir -p `dirname $ELMRC`
if [ -f $ELMRC ];then
cp $ELMRC tmp/`basename $ELMRC`.OLD
fi
#echo "Creating /$ELMRC..."
/bin/cat <<EOF >$ELMRC
#------------------------ global elm.rc file ------------------
#
# this expects any global aliases in /usr/lib/aliases.text
#
# you probably also want to set the visible_name parameter in
# /usr/lib/smail/config if you use smail3.1.28
#
# this is the unqualified hostname
#
hostname = $HOSTNAME
#
# this is the local domain
#
hostdomain = .$DOMAIN
#
# this is the fully qualified hostname
#
hostfullname = $HOSTNAME.$DOMAIN
EOF
chmod 644 $ELMRC
#
############################################################################
# The resolv.conf file.
############################################################################
#
if [ "$LOOPBACK" = "n" ]; then
while [ "$NAMESERVER" = "" ]; do
cat << EOF > /tmp/tmpmsg
Here is your current IP address, full hostname, and base hostname:
$IPADDR $HOSTNAME.$DOMAIN $HOSTNAME
Please give the IP address of the name server to use.
You can add more Domain Name Servers by editing /$RESOLV.
Name Server for domain $DOMAIN (aaa.bbb.ccc.ddd):
EOF
dialog --title "SELECT NAMESERVER" --inputbox \
"`cat /tmp/tmpmsg`" 14 72 2> /tmp/SeTns
if [ $? = 1 -o $? = 255 ]; then
rm -f /tmp/tmpmsg /tmp/SeTns
fi
NAMESERVER="`cat /tmp/SeTns`"
rm -f /tmp/tmpmsg /tmp/SeTns
done
if [ -f $RESOLV ]; then cp $RESOLV tmp/`basename $RESOLV`.OLD;fi
echo "domain $DOMAIN" >$RESOLV
echo "nameserver $NAMESERVER" >>$RESOLV
else
echo "domain $DOMAIN" >$RESOLV
fi
if [ "$LOOPBACK" = "n" ]; then chmod 644 $RESOLV ;fi
#
############################################################################
# Change permissions and exit.
############################################################################
#
cat << EOF > /tmp/tmpmsg
Your networking software has now been configured.
EOF
dialog --title "NETWORK SETUP COMPLETE" --msgbox \
"`cat /tmp/tmpmsg`" 7 65
rm -f /tmp/tmpmsg