#!/bin/sh # A script to do basic network configuration. # Mostly written by Patrick Volkerding . # Modified to use /etc/rc.d/rc.inet1.conf Tue Aug 26 16:51:48 PDT 2003 write_config_files() { # ############################################################################ # The rc.inet1.conf file. ############################################################################ # # If we're doing loopback, we don't want 127.0.0.1 and 255.255.255.0 in # rc.inet1.conf... it's better to leave the values null. However, since # we use the IP in other places, we need to make a copy for here. RCIPCOPY=$IPADDR RCMASKCOPY=$NETMASK if [ "$RCIPCOPY" = "127.0.0.1" ]; then RCIPCOPY="" RCMASKCOPY="" fi # echo "Creating /$RC..." /bin/cat << ENDFILE > $RC # /etc/rc.d/rc.inet1.conf # # This file contains the configuration settings for network interfaces. # If USE_DHCP[interface] is set to "yes", this overrides any other settings. # If you don't have an interface, leave the settings null (""). # You can configure network interfaces other than eth0,eth1... by setting # IFNAME[interface] to the interface's name. If IFNAME[interface] is unset # or empty, it is assumed you're configuring eth. # Several other parameters are available, the end of this file contains a # comprehensive set of examples. # ============================================================================= # Config information for eth0: IPADDR[0]="$RCIPCOPY" NETMASK[0]="$RCMASKCOPY" USE_DHCP[0]="$USE_DHCP" DHCP_HOSTNAME[0]="$DHCP_HOSTNAME" # Config information for eth1: IPADDR[1]="" NETMASK[1]="" USE_DHCP[1]="" DHCP_HOSTNAME[1]="" # Config information for eth2: IPADDR[2]="" NETMASK[2]="" USE_DHCP[2]="" DHCP_HOSTNAME[2]="" # Config information for eth3: IPADDR[3]="" NETMASK[3]="" USE_DHCP[3]="" DHCP_HOSTNAME[3]="" # Default gateway IP address: GATEWAY="$GATEWAY" # Change this to "yes" for debugging output to stdout. Unfortunately, # /sbin/hotplug seems to disable stdout so you'll only see debugging output # when rc.inet1 is called directly. DEBUG_ETH_UP="no" # Example of how to configure a bridge: # Note the added "BRNICS" variable which contains a space-separated list # of the physical network interfaces you want to add to the bridge. #IFNAME[0]="br0" #BRNICS[0]="eth0" #IPADDR[0]="192.168.0.1" #NETMASK[0]="255.255.255.0" #USE_DHCP[0]="" #DHCP_HOSTNAME[0]="" ## Example config information for wlan0. Uncomment the lines you need and fill ## in your info. (You may not need all of these for your wireless network) #IFNAME[4]="wlan0" #IPADDR[4]="" #NETMASK[4]="" #USE_DHCP[4]="yes" #DHCP_HOSTNAME[4]="icculus-wireless" #DHCP_KEEPRESOLV[4]="yes" #DHCP_KEEPNTP[4]="yes" #DHCP_KEEPGW[4]="yes" #DHCP_IPADDR[4]="" #WLAN_ESSID[4]=BARRIER05 #WLAN_MODE[4]=Managed ##WLAN_RATE[4]="54M auto" ##WLAN_CHANNEL[4]="auto" ##WLAN_KEY[4]="D5AD1F04ACF048EC2D0B1C80C7" ##WLAN_IWPRIV[4]="set AuthMode=WPAPSK | set EncrypType=TKIP | set WPAPSK=96389dc66eaf7e6efd5b5523ae43c7925ff4df2f8b7099495192d44a774fda16" #WLAN_WPA[4]="wpa_supplicant" #WLAN_WPADRIVER[4]="ndiswrapper" ## Some examples of additional network parameters that you can use. ## Config information for wlan0: #IFNAME[4]="wlan0" # Use a different interface name nstead of # the default 'eth4' #HWADDR[4]="00:01:23:45:67:89" # Overrule the card's hardware MAC address #MTU[4]="" # The default MTU is 1500, but you might need # 1360 when you use NAT'ed IPSec traffic. #DHCP_KEEPRESOLV[4]="yes" # If you dont want /etc/resolv.conf overwritten #DHCP_KEEPNTP[4]="yes" # If you don't want ntp.conf overwritten #DHCP_KEEPGW[4]="yes" # If you don't want the DHCP server to change # your default gateway #DHCP_IPADDR[4]="" # Request a specific IP address from the DHCP # server #WLAN_ESSID[4]=DARKSTAR # Here, you can override _any_ parameter # defined in rc.wireless.conf, by prepending # 'WLAN_' to the parameter's name. Useful for # those with multiple wireless interfaces. #WLAN_IWPRIV[4]="set AuthMode=WPAPSK | set EncrypType=TKIP | set WPAPSK=thekey" # Some drivers require a private ioctl to be # set through the iwpriv command. If more than # one is required, you can place them in the # IWPRIV parameter (separated with the pipe (|) # character, see the example). ENDFILE # ############################################################################ # The networks file. ############################################################################ # #echo "Creating /$ETCNETWORKS..." /bin/cat <$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. # loopback 127.0.0.0 localnet $NETWORK # End of networks. EOF chmod 644 $ETCNETWORKS # ############################################################################ # The hosts file. ############################################################################ # #echo "Creating /$HOSTS..." /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... # # By the way, Arnt Gulbrandsen says that 127.0.0.1 # should NEVER be named with the name of the machine. It causes problems # for some (stupid) programs, irc and reputedly talk. :^) # # For loopbacking. 127.0.0.1 localhost $IPADDR $HOSTNM.$DOMAIN $HOSTNM # End of hosts. EOF chmod 644 $HOSTS # ############################################################################ # The resolv.conf file. ############################################################################ # if [ ! "$NAMESERVER" = "" ]; then echo "search $DOMAIN" >$RESOLV echo "nameserver $NAMESERVER" >>$RESOLV else echo "search $DOMAIN" >$RESOLV fi if [ -f $RESOLV ]; then chmod 644 $RESOLV fi # ############################################################################ # The rc.netdevice file. ############################################################################ # if [ -r /cardfound ]; then if [ ! "`cat /cardfound`" = "" ]; then cat << EOF > etc/rc.d/rc.netdevice # Load module for network device. # This script is automatically generated during the installation. /sbin/modprobe `cat /cardfound` EOF chmod 755 etc/rc.d/rc.netdevice fi fi rm -f $TMP/tempmsg /cardfound } # end write_config_files TMP=/var/log/setup/tmp if [ ! -d $TMP ]; then mkdir -p $TMP chmod 700 $TMP fi # 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 true 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/tempmsg 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/tempmsg`" 9 72 if [ $? = 0 ]; then RET_CODE = 0; fi rm -r $TMP/tempmsg else if [ "$3" = "ECHO" ]; then echo $RET_CODE; fi fi return $RET_CODE; } # Figure out where we are... cheap hack. if [ ! -e etc/slackware-version -a ! -e /etc/installer -a ! -e bin/bash ]; then cd / fi; # IMPORTANT!!! NO LEADING '/' in the paths below, or this script will not # function from the bootdisk. RC=etc/rc.d/rc.inet1.conf # Where rc.inet1.conf 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. USE_DHCP="" # Use DHCP? "" == no. DHCP_HOSTNAME="" # This is our DHCP hostname. # # defaults: NETWORK=127.0.0.0 IPADDR=127.0.0.1 NETMASK=255.255.255.0 # Main loop: while [ 0 ]; do cat << EOF > $TMP/tempmsg 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/tempmsg`" 11 65 \ $HOSTNM 2> $TMP/SeThost if [ $? = 1 -o $? = 255 ]; then rm -f $TMP/SeThost $TMP/tempmsg exit fi HOSTNM="`cat $TMP/SeThost`" rm -f $TMP/SeThost $TMP/tempmsg if [ ! "$HOSTNM" = "" ]; then break; fi done while [ 0 ]; do cat << EOF > $TMP/tempmsg Now, we need the domain name for this machine, such as: example.org Do not supply a leading '.' Enter domain name for $HOSTNM: EOF dialog --title "ENTER DOMAINNAME FOR '$HOSTNM'" --inputbox \ "`cat $TMP/tempmsg`" \ 14 64 $DOMAIN 2> $TMP/SeTdom if [ $? = 1 -o $? = 255 ]; then rm -f $TMP/SeTdom $TMP/tempmsg exit fi DOMAIN="`cat $TMP/SeTdom`" rm -f $TMP/SeTdom $TMP/tempmsg if [ ! "$DOMAIN" = "" ]; then break; fi done # Write the hostname with domain to /etc/HOSTNAME: echo $HOSTNM.$DOMAIN > etc/HOSTNAME # Also make sure the hostname is written to /etc/NetworkManager/NetworkManager.conf: if [ -w etc/NetworkManager/NetworkManager.conf ]; then sed -i "s/^hostname=.*$/hostname=$HOSTNM/g" etc/NetworkManager/NetworkManager.conf fi dialog --title "CONFIGUATION TYPE FOR '$HOSTNM.$DOMAIN'" \ --default-item DHCP \ --menu \ "Now we need to know how your machine connects to the network.\n\ If you have an internal network card and an assigned IP address, gateway, \ and DNS, use the 'static IP' choice to enter these values. If your IP \ address is assigned by a DHCP server (commonly used by cable modem and DSL \ services), select 'DHCP'. If you do not have a network card, select \ the 'loopback' choice. You may also select 'NetworkManager' if you would \ like to have the NetworkManager daemon automatically handle your wired and \ wireless network interfaces (this is simple and usually works). \ Which type of network setup would you like?" 20 70 4 \ "static IP" "Use a static IP address to configure ethernet" \ "DHCP" "Use a DHCP server to configure ethernet" \ "loopback" "Set up a loopback connection (modem or no net)" \ "NetworkManager" "Autoconfigure network using NetworkManager" 2> $TMP/reply if [ $? = 1 -o $? = 255 ]; then rm -f $TMP/reply exit fi REPLY=`cat $TMP/reply` rm -f $TMP/reply if [ "$REPLY" = "DHCP" ]; then USE_DHCP="yes" dialog --title "SET DHCP HOSTNAME" --inputbox "Some network providers require \ that the DHCP hostname be set in order to connect. If so, they'll have assigned \ a hostname to your machine, which may look something like CC-NUMBER-A (this \ depends on your ISP). If you were assigned a DHCP hostname, please enter it \ below. If you do not have a DHCP hostname, just hit ENTER or Cancel." 13 62 \ 2> $TMP/SeTDHCPHOST NEW_DHCPHOST="`cat $TMP/SeTDHCPHOST`" rm -f $TMP/SeTDHCPHOST # OK, if we actually got something, use it. DHCP_HOSTNAME="$NEW_DHCPHOST" elif [ "$REPLY" = "loopback" ]; then LOOPBACK="yes" elif [ "$REPLY" = "NetworkManager" ]; then LOOPBACK="yes" NETWORKMANAGER="yes" else LOOPBACK="no" fi if [ "$LOOPBACK" = "no" -a ! "$USE_DHCP" = "yes" ]; then while [ 0 ]; do if [ -r $TMP/SeTIP ]; then IPADDR=`cat $TMP/SeTIP` fi cat << EOF > $TMP/tempmsg Enter your IP address for the local machine. Example: 111.112.113.114 Enter IP address for $HOSTNM (aaa.bbb.ccc.ddd): EOF dialog --title "ENTER IP ADDRESS FOR '$HOSTNM.$DOMAIN'" --inputbox \ "`cat $TMP/tempmsg`" \ 10 68 $IPADDR 2> $TMP/SeTlip if [ $? = 1 -o $? = 255 ]; then rm -f $TMP/SeTlip $TMP/tempmsg exit fi IPADDR="`cat $TMP/SeTlip`" rm -f $TMP/SeTlip $TMP/tempmsg if [ "$IPADDR" = "" ]; then continue; fi syntax_check_color $IPADDR 4 WARN if [ $? = 0 ]; then echo $IPADDR > $TMP/SeTIP break; fi done while [ 0 ]; do if [ -r $TMP/SeTnetmask ]; then NETMASK=`cat $TMP/SeTnetmask` fi cat << EOF > $TMP/tempmsg 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 FOR LOCAL NETWORK" --inputbox \ "`cat $TMP/tempmsg`" \ 10 65 $NETMASK 2> $TMP/SeTnmask if [ $? = 1 -o $? = 255 ]; then rm -f $TMP/SeTnmask $TMP/tempmsg exit fi NETMASK="`cat $TMP/SeTnmask`" rm -f $TMP/SeTnmask $TMP/tempmsg if [ "$NETMASK" = "" ]; then continue; fi syntax_check_color $NETMASK 4 WARN if [ $? = 0 ]; then echo $NETMASK > $TMP/SeTnetmask break; fi done # Set broadcast/network addresses automatically: BROADCAST=`ipmask $NETMASK $IPADDR | cut -f 1 -d ' '` NETWORK=`ipmask $NETMASK $IPADDR | cut -f 2 -d ' '` while [ 0 ]; do if [ -r $TMP/SeTgateway ]; then GATEWAY=`cat $TMP/SeTgateway` fi cat << EOF > $TMP/tempmsg Enter the address for the gateway on your network, such as: `echo $IPADDR | cut -f 1-3 -d .`.1 If you don't have a gateway on your network just hit ENTER without entering a gateway IP address. Enter gateway address (aaa.bbb.ccc.ddd): EOF dialog --title "ENTER GATEWAY ADDRESS" --inputbox "`cat $TMP/tempmsg`" \ 14 64 $GATEWAY 2> $TMP/SeTgate if [ $? = 1 -o $? = 255 ]; then rm -f $TMP/SeTgate $TMP/tempmsg exit fi GATEWAY="`cat $TMP/SeTgate`" rm -f $TMP/SeTgate $TMP/tempmsg if [ "$GATEWAY" = "" ]; then echo > $TMP/SeTgateway break; fi syntax_check_color $GATEWAY 4 WARN if [ $? = 0 ]; then echo $GATEWAY > $TMP/SeTgateway break; fi done fi if [ "$LOOPBACK" = "no" ]; then dialog --title "USE A NAMESERVER?" --yesno "Will you be accessing a \ nameserver?" 5 42 if [ $? = 0 ]; then if [ ! "`cat $TMP/SeTns 2> /dev/null`" = "" ]; then DNSSAMPLE="`cat $TMP/SeTns 2> /dev/null`" elif [ "$GATEWAY" = "" ]; then DNSSAMPLE=`echo $IPADDR | cut -f 1-3 -d .` else DNSSAMPLE=$GATEWAY fi while [ "$NAMESERVER" = "" ]; do cat << EOF > $TMP/tempmsg Here is your current IP address, full hostname, and base hostname: $IPADDR $HOSTNM.$DOMAIN $HOSTNM Please give the IP address of the name server to use, such as $DNSSAMPLE. You can add more Domain Name Servers later by editing /$RESOLV. Primary name server to use (aaa.bbb.ccc.ddd): EOF dialog --title "SELECT NAMESERVER" --inputbox \ "`cat $TMP/tempmsg`" 17 72 $DNSSAMPLE 2> $TMP/SeTns if [ $? = 1 -o $? = 255 ]; then rm -f $TMP/tempmsg $TMP/SeTns break fi NAMESERVER="`cat $TMP/SeTns`" rm -f $TMP/tempmsg $TMP/SeTns done fi fi # Check for existing network driver: unset DONOTPROBE if cat /proc/net/dev | grep eth0 1> /dev/null 2> /dev/null ; then DONOTPROBE=true fi # Really, this rc.netdevice thing is mostly obsolete except for # handmade local scripts anyway, these days with udev... # So, we'll skip it: DONOTPROBE=true if [ -d lib/modules/`uname -r` \ -a ! "$LOOPBACK" = "yes" \ -a ! -x etc/rc.d/rc.hotplug \ -a ! "$DONOTPROBE" = "true" \ -a ! -r /cardfound ]; then dialog --title "PROBE FOR NETWORK CARD?" --menu "If you like, we \ can look to see what kind of network card you have in your machine, and \ if we find one create an /etc/rc.d/rc.netdevice script to load the module \ for it at boot time. There's a slight bit of danger that the probing \ can cause problems, but it almost always works. If you'd rather configure \ your system manually, you can skip the probing process and edit \ /etc/rc.d/rc.modules or /etc/modules.conf later to have it load the right module." \ 16 68 2 \ "probe" "look for network cards to set up" \ "skip" "skip probe; edit /etc/rc.d/rc.modules later" 2> $TMP/reply if [ $? = 1 -o $? = 255 ]; then rm -f $TMP/reply exit fi REPLY=`cat $TMP/reply` rm -f $TMP/reply if [ ! "$REPLY" = "skip" ]; then for card in 3c59x 82596 dgrs eepro100 e1000 epic100 hp100 lance \ ne2k-pci olympic pcnet32 rcpci 8139too 8139cp tlan tulip via-rhine \ yellowfin natsemi ; do chroot . /sbin/modprobe $card 2> /dev/null if [ $? = 0 ]; then dialog --title "CARD DETECTED" --msgbox "A networking card using \ the $card.o module has been detected." 5 72 echo "$card" > /cardfound break; fi done if [ ! -r /cardfound ]; then # Don't probe for com20020, because it doesn't check and will always load. # Don't probe for arlan, because it needs irq= to work. # Don't probe for com90io or com90xx because they taint the kernel. for card in depca ibmtr 3c359 3c501 3c503 3c505 3c507 3c509 3c515 ac3200 \ abyss acenic at1700 cosa cs89x0 de4x5 de600 \ de620 dmfe dl2k e2100 eepro eexpress eth16i ewrk3 fealnx hamachi hostess_sv11 \ hp-plus hp lanstreamer ni5010 ni52 ni65 ns83820 sb1000 sealevel sis900 sk98lin skfp smc-ultra \ smc9194 smctr starfire sungem sunhme tg3 wd e100 iph5526 lp486e tmspci winbond-840 ; do chroot . /sbin/modprobe $card 2> /dev/null if [ $? = 0 ]; then dialog --title "CARD DETECTED" --msgbox "A networking card using \ the $card.o module has been detected." 5 72 echo "$card" > /cardfound break fi done fi if [ ! -r /cardfound ]; then dialog --title "NO CARD DETECTED" --msgbox "Sorry, but no network \ card could be probed for on your system. Some cards (like non-PCI NE2000s) \ must be supplied with the I/O address to use and can't be probed for safely. \ You'll have to try to configure the card later by editing \ /etc/rc.d/rc.modules or recompiling your kernel." 9 70 fi fi fi if [ "$LOOPBACK" = "yes" -a ! "$NETWORKMANAGER" = "yes" ]; then dialog --title "NETWORK SETUP COMPLETE" --yesno "Your networking \ system is now configured to use loopback: IP address: 127.0.0.1 Netmask: 255.255.255.0 Is this correct? Press 'Yes' to continue, or 'No' to reconfigure." 0 0 RETVAL=$? elif [ "$LOOPBACK" = "yes" -a "$NETWORKMANAGER" = "yes" ]; then dialog --title "NETWORK SETUP COMPLETE" --yesno "Your networking \ system is now configured to use NetworkManager for wired and wireless network management. To set up wireless networks and view status, add the Network Management control panel widget to your KDE desktop. Is this correct? Press 'Yes' to confirm, or 'No' to reconfigure." 0 0 RETVAL=$? elif [ "$USE_DHCP" = "" ]; then while [ 0 ]; do dialog --title "CONFIRM NETWORK SETUP" \ --ok-label Accept \ --extra-label Edit \ --cancel-label Restart \ --inputmenu \ "These are the settings you have entered. To accept them and complete \ the networking setup, press enter. If you need to make any changes, you \ can do that now (or reconfigure later using 'netconfig')." \ 22 60 12 \ "Hostname:" "$HOSTNM" \ "Domain name:" "$DOMAIN" \ "IP address:" "$IPADDR" \ "Netmask:" "$NETMASK" \ "Gateway:" "$GATEWAY" \ "Nameserver:" "$NAMESERVER" 2> $TMP/tempmsg RETVAL=$? if [ "$RETVAL" = "3" ]; then FIELD=`cat $TMP/tempmsg | cut -f 1 -d : | cut -f 2- -d ' '` NEWVAL=`cat $TMP/tempmsg | cut -f 2 -d : | cut -f 2- -d ' '` if [ "$FIELD" = "Hostname" ]; then HOSTNM=$NEWVAL elif [ "$FIELD" = "Domain name" ]; then DOMAIN=$NEWVAL elif [ "$FIELD" = "IP address" ]; then IPADDR=$NEWVAL elif [ "$FIELD" = "Netmask" ]; then NETMASK=$NEWVAL elif [ "$FIELD" = "Gateway" ]; then GATEWAY=$NEWVAL elif [ "$FIELD" = "Nameserver" ]; then NAMESERVER=$NEWVAL fi else break fi done else # DHCP was used dialog --title "CONFIRM SETUP COMPLETE" \ --yesno "Your networking system is now configured to use DHCP: Hostname: $HOSTNM Domain name: $DOMAIN IP address: (use DHCP server) Netmask: (use DHCP server) Gateway: (use DHCP server) Nameserver: (use DHCP server) Is this correct? Press 'Yes' to continue, or 'No' to reconfigure." 0 0 RETVAL=$? fi if [ "$RETVAL" = "0" ]; then # Write the hostname with domain to /etc/HOSTNAME: echo $HOSTNM.$DOMAIN > etc/HOSTNAME # Also make sure the hostname is written to /etc/NetworkManager/NetworkManager.conf: if [ -w etc/NetworkManager/NetworkManager.conf ]; then sed -i "s/^hostname=.*$/hostname=$HOSTNM/g" etc/NetworkManager/NetworkManager.conf fi write_config_files if [ "$NETWORKMANAGER" = "yes" -a -r etc/rc.d/rc.networkmanager ]; then chmod 755 etc/rc.d/rc.networkmanager fi if [ "$1" = "" ]; then dialog --msgbox "Settings accepted. Basic network configuration is complete." 6 40 fi else if [ "$1" = "" ]; then dialog --msgbox "Settings discarded. Run the 'netconfig' command again if you need to reconfigure your network settings." 6 60 fi fi exit $RETVAL