#!/bin/bash # 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 RCIP6COPY=$IPADDR6 RCPREFIXCOPY=$PREFIX6 if [ "$RCIPCOPY" = "127.0.0.1" ]; then RCIPCOPY="" RCMASKCOPY="" fi if [ "$RCIP6COPY" = "::1" ]; then RCIP6COPY="" RCPREFIXCOPY="" fi # echo "Creating /$RC..." /bin/cat << ENDFILE > $RC # /etc/rc.d/rc.inet1.conf # # This file contains the configuration settings for network interfaces. # # If USE_DHCP[interface] is set to "yes", this overrides any other settings. # If you don't have an interface, leave the settings null (""). # # You can configure network interfaces other than eth0,eth1... by setting # IFNAME[interface] to the interface's name. If IFNAME[interface] is unset # or empty, it is assumed you're configuring eth. # # Several other parameters are available; the end of this file contains a # comprehensive set of examples. # # Important note for IPv6 stateless auto configuration (SLAAC) users: # From Slackware 15.0 onwards, you need to set USE_SLAAC[0]="yes" below. # ============================================================================= # IPv4 config information for eth0: ENDFILE if [ -n "$VLAN" ]; then echo "IFNAME[0]=\"eth0.$(( 10#$VLAN ))\"" >>$RC fi /bin/cat << ENDFILE >> $RC IPADDR[0]="$RCIPCOPY" NETMASK[0]="$RCMASKCOPY" IPALIASES[0]="" USE_DHCP[0]="$USE_DHCP" DHCP_HOSTNAME[0]="$DHCP_HOSTNAME" # IPv6 config information for eth0: IP6ADDRS[0]="`if [ ! \"$RCIP6COPY\" = \"\" ]; then echo \"$RCIP6COPY/$RCPREFIXCOPY\"; fi`" USE_SLAAC[0]="$USE_SLAAC" USE_DHCP6[0]="$USE_DHCP6" # IPv4 config information for eth1: IPADDR[1]="" NETMASK[1]="" IPALIASES[1]="" USE_DHCP[1]="" DHCP_HOSTNAME[1]="" # IPv6 config information for eth1: IP6ADDRS[1]="" USE_SLAAC[1]="" USE_DHCP6[1]="" # IPv4 config information for eth2: IPADDR[2]="" NETMASK[2]="" IPALIASES[2]="" USE_DHCP[2]="" DHCP_HOSTNAME[2]="" # IPv6 config information for eth2: IP6ADDRS[2]="" USE_SLAAC[2]="" USE_DHCP6[2]="" # IPv4 config information for eth3: IPADDR[3]="" NETMASK[3]="" IPALIASES[3]="" USE_DHCP[3]="" DHCP_HOSTNAME[3]="" # IPv6 config information for eth3: IP6ADDRS[3]="" USE_SLAAC[3]="" USE_DHCP6[3]="" # IPv4 default gateway IP address: GATEWAY="$GATEWAY" # IPv6 default gateway IP address: GATEWAY6="$GATEWAY6" # ============================================================================= # Example of how to configure a bond (link aggrigation) interface. # Note the addition of the BONDNICS and BONDMODE parameters. # BONDNICS is a space delimited list of interfaces to add to this bond. The # BONDNICS interfaces will be brought up and configured while bringing up the # bond interface, so do not need to be previously defined in rc.inet1.conf. # BONDMODE sets the bonding mode for this interface. If not specified when # BONDNICS has been used, the default is 'balance-rr'. # IFOPTS is a pipe (|) delimited list of bonding module specific settings to be # applied to the interface, and should always include the 'miimon' option when # configuring bonding - not using this option will result in network # degradation. In 'active-backup' mode, the 'primary' option should also be # supplied. When using '802.3ad' mode, set "lacp_rate fast" for faster # recovery from an interface failure. In other modes, the 'xmit_hash_policy' # should be set. See the /usr/src/linux/Documentation/networking/bonding.txt # file (search for "Bonding Driver Options") for the full set of options. #IFNAME[0]="bond0" #BONDNICS[0]="eth0 eth1" #BONDMODE[0]="balance-rr" #IFOPTS[0]="xmit_hash_policy layer2+3 | miimon 100" #IPADDR[0]="192.168.0.1" #NETMASK[0]="24" #IPALIASES[0]="" #USE_DHCP[0]="" #DHCP_HOSTNAME[0]="" #IP6ADDRS[0]="" #USE_SLAAC[0]="" #USE_DHCP6[0]="" # ============================================================================= # Example of how to configure a VLAN interface: # The VLAN ID is taken from the full interface name, which is comprised of the # underlying interface name, a period (.) and then the VLAN ID. # IFOPTS is a pipe (|) delimited list of VLAN module specific settings to be # applied to the interface. See the ip-link(8) man page (search for "VLAN Type # Support") for details of the options available. This option is not required # for a standard VLAN to be configured. #IFNAME[0]="eth0.10" #IFOPTS[0]="" #IPADDR[0]="192.168.10.1" #NETMASK[0]="24" #IPALIASES[0]="" #USE_DHCP[0]="" #DHCP_HOSTNAME[0]="" #IP6ADDRS[0]="" #USE_SLAAC[0]="" #USE_DHCP6[0]="" # ============================================================================= # Example of how to configure a bridge: # Note the added "BRNICS" variable which contains a space-separated list # of the physical or virtual network interfaces you want to add to the bridge. # IFOPTS is a pipe (|) delimited list of bridge module specific settings to be # applied to the interface. See the ip-link(8) man page (search for "BRIDGE # Type Support") for details of the options available. This option is not # required for a standard bridge to be configured. #IFNAME[0]="br0" #BRNICS[0]="eth0" #IFOPTS[0]="" #IPADDR[0]="192.168.0.1" #NETMASK[0]="24" #IPALIASES[0]="" #USE_DHCP[0]="" #DHCP_HOSTNAME[0]="" # ============================================================================= # Virtual interfaces to create - these are created before any address # configuration or bridge setup is done, so you may use these interfaces # as IFNAME or BRNICS values. These can be tun or tap interfaces: # adjust VIRTIFNAME and VIRTIFTYPE accordingly. # Starting with VIRTIFNAME[0] is mandatory, and each next one must be # incremented by one, so VIRTIFNAME[1], VIRTIFNAME[2], and so on. # Virtual tap interface example #VIRTIFNAME[0]="tap0" #VIRTIFTYPE[0]="tap" #VIRTIFUSER[0]="root" #VIRTIFGROUP[0]="root" # Virtual tun interface example #VIRTIFNAME[1]="tun0" #VIRTIFTYPE[1]="tun" #VIRTIFUSER[1]="someuser" #VIRTIFGROUP[1]="somegroup" # ============================================================================= # Example config information for wlan0: # Uncomment the lines you need and fill in your data. 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]=DARKSTAR #WLAN_MODE[4]=Managed #WLAN_RATE[4]="54M auto" #WLAN_CHANNEL[4]="auto" #WLAN_KEY[4]="D5A31F54ACF0487C2D0B1C10D2" #WLAN_IWPRIV[4]="set AuthMode=WPAPSK | set EncrypType=TKIP | set WPAPSK=96389dc66eaf7e6efd5b5523ae43c7925ff4df2f8b7099495192d44a774fda16" #WLAN_WPA[4]="wpa_supplicant" #WLAN_WPADRIVER[4]="wext" #WLAN_WPAWAIT[4]=30 # ============================================================================= # Some examples of additional network parameters that you can use. #IFNAME[4]="wlan0" # Use a different interface name instead of # the default 'eth4' #IPALIASES[4]="192.168.5.10/24" # A space delimited list of CIDR formatted IP # aliases to assign to the interface after it # has come up. If no / is given after # the IP address, /24 will be used as default. #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. #PROMISCUOUS[4]="yes" # Set promiscuous mode on the interface. #DHCP_TIMEOUT[4]="15" # The default timeout for the DHCP client to # wait for server resonse is 15 seconds, but # you might want a shorter or longer wait. #DHCP_KEEPRESOLV[4]="yes" # If you don't 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 #DHCP_DEBUG[4]="yes" # Make dhcpcd show verbose diagnostics #DHCP_NOIPV4LL[4]="yes" # Do not assign an ipv4ll address when a DHCP # server is not found (ipv4ll link-local # adresses in the IP range 169.254.0.0/16 are # also known as "zeroconf" addresses) #SLAAC_TIMEOUT[4]="15" # The default timeout for auto configuration to # wait for the interface to come up is 15 sec. # Increase the timeout if required. #USE_RA[4]="yes" # Accept router advertisements even when SLAAC # is disabled on the interface. #WLAN_ESSID[4]="DARKSTAR" # An example of how you can override _any_ # parameter defined in rc.wireless.conf, by # prepending 'WLAN_' to the parameter's name. # Useful 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). #WLAN_WPA[4]="wpa_supplicant" # Run wpa_supplicant for WPA support #WLAN_WPADRIVER[4]="ndiswrapper"# Tell wpa_supplicant to specifically use the # ndiswrapper driver (if you leave this empty # the 'wext' driver is used by default) #WLAN_WPAWAIT[4]="30" # In case it takes long for the WPA association # to finish, you can increase the wait time # (defaults to 10 seconds) # ============================================================================= # Change this to "yes" for debugging output to stdout. DEBUG_ETH_UP="no" # MAXNICS is the maximum number of interfaces that will be configured. # You may need to increase the MAXNICS value if you have many interfaces, or # you use multiple VLANs and/or bridges. The default is 6. # MAXNICS="6" 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 > $HOSTS # # hosts This file describes a number of hostname-to-address # mappings for the TCP/IP subsystem. It is mostly # used at boot time, when no name servers are running. # On small systems, this file can be used instead of a # "named" name server. Just add the names, addresses # and any aliases to this file... # # By the way, Arnt Gulbrandsen says that 127.0.0.1 # should NEVER be named with the name of the machine. It causes problems # for some (stupid) programs, irc and reputedly talk. :^) # # For loopbacking. 127.0.0.1 localhost ::1 localhost EOF [ -n "$IPADDR" ] && echo -e "$IPADDR\t\t$HOSTNM.$DOMAIN $HOSTNM" >>$HOSTS [ -n "$IPADDR6" ] && echo -e "$IPADDR6\t\t$HOSTNM.$DOMAIN $HOSTNM" >>$HOSTS 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 # Covert CIDR notation masks to old style dotted quad. cidr2mask() { # https://forum.archive.openwrt.org/viewtopic.php?id=47986&p=1#p220781 set -- $(( 5 - ($1 / 8) )) 255 255 255 255 $(( (255 << (8 - ($1 % 8))) & 255 )) 0 0 0 [ $1 -gt 1 ] && shift $1 || shift echo "${1-0}.${2-0}.${3-0}.${4-0}" } # This checks IPv4 address syntax. # usage: syntax_check_v4 ADDRESS #-OF-EXPECTED-SEGMENTS (up to 4) # example: syntax_check_v4 123.22.43.1 4 # returns: 0=found correct 1=too many fields 2=non numeric field found syntax_check_v4() { 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 IP address you entered: $1 is not valid. There should be $2 groups of numbers seperated by dots, for example: 192.168.1.1 Please correct any mistakes in the IP. EOF dialog --title "INVALID IP" --ok-button "Back" --msgbox \ "`cat $TMP/tempmsg`" 12 72 rm -r $TMP/tempmsg else if [ "$3" = "ECHO" ]; then echo $RET_CODE; fi fi return $RET_CODE; } # This does cursary checks to validate an IPv6 address. syntax_check_v6() { # We can only do a basic validation of the entered address # as regexes for IPv6 addresses are very complex. if [[ "$1" =~ ^[0-9a-fA-F:]+$ ]] && [[ "$1" =~ :[0-9a-fA-F]{1,4}$ ]]; then return 0 else dialog --title "INVALID IP" --ok-button "Back" --msgbox \ "The IP address you entered: $1 is not valid. Please enter a valid IPv6 address." 9 72 fi return 1 } TMP=/var/log/setup/tmp if [ ! -d $TMP ]; then mkdir -p $TMP chmod 700 $TMP fi # 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. # # defaults: USE_DHCP="" # Use DHCP? "" == no. USE_DHCP6="" DHCP_HOSTNAME="" # This is our DHCP hostname. NETWORK=127.0.0.0 IPADDRS=() IP6ADDRS=() # FIXME: Now deprecated: IPADDR=127.0.0.1 NETMASK=24 # Use CIDR now. IPADDR6=::1 PREFIX6=64 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. For example: darkstar Enter hostname: EOF dialog --title "ENTER HOSTNAME" --inputbox "`cat $TMP/tempmsg`" 12 64 \ "$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" = "" ] || [[ ! "$HOSTNM" =~ ^[[:alnum:]-]+$ ]] || \ [ "${HOSTNM:0:1}" == "-" ] || [ "${HOSTNM: -1:1}" == "-" ]; then dialog --title "HOSTNAME" --ok-button "Back" --msgbox \ "That doesn't appear to be a valid hostname.\n Hostnames can only contain letters, numbers and hyphens, and may not begin or end with a hyphen." 7 60 if [ $? = 1 -o $? = 255 ]; then exit fi else 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 $TMP/tempmsg`" 12 59 "$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 $TMP/tempmsg # These regexes doon't catch everything, just basic syntax mistakes. if [ "$DOMAIN" = "" ] || [[ ! "$DOMAIN" =~ ^([[:alnum:]]+[-.]*[[:alnum:]]+)+$ ]] || \ [[ "${DOMAIN:0:1}" =~ ^[.-]$ ]] || [[ "${DOMAIN: -1:1}" == ^[.-]$ ]]; then dialog --title "DOMAINNAME" --ok-button "Back" --msgbox \ "That doesn't appear to be a valid domain name.\n Domain names can only contain letters and numbers, hyphens and dots, and may not begin or end with a hyphen or dot." 7 68 if [ $? = 1 -o $? = 255 ]; then exit fi else break fi done # Write the hostname with domain to /etc/HOSTNAME: # Do this at the end when writing all the config files. # echo $HOSTNM.$DOMAIN > etc/HOSTNAME ## OBSOLETE with recent NetworkManager: ## 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 "CONNECT VIA VLAN" --defaultno --yesno \ "Some advanced networking set ups require a VLAN ID in order to \ connect to the network. Do you wish to configure a VLAN ID now?\n\n\ Unless you are sure you require a VLAN ID, select 'No'." 8 68 ERRNO="$?" if [ "$ERRNO" = "255" ]; then exit elif [ "$ERRNO" = "1" ]; then true else while true; do [ -r $TMP/SeTVLAN ] && VLAN="$(cat $TMP/SeTVLAN)" dialog --title "VLAN ID" --cancel-label "Skip" --inputbox \ "Enter the VLAN ID used on this network:" 8 45 "$VLAN" 2>$TMP/reply ERRNO="$?" if [ "$ERRNO" = "255" ]; then rm -f $TMP/SeTVLAN exit elif [ "$ERRNO" = "1" ]; then unset VLAN rm -f $TMP/SeTVLAN break else VLAN="$(cat $TMP/reply)" echo "$VLAN" >$TMP/SeTVLAN if [[ ! "$VLAN" =~ ^[0-9]+$ ]]; then dialog --title "VLAN ID" --ok-button "Back" --msgbox \ "That doesn't appear to be a valid VLAN ID." 5 46 if [ "$?" = "255" ]; then exit fi continue else rm -f $TMP/SeTVLAN break fi fi done fi dialog --title "CONFIGURATION TYPE FOR '$HOSTNM.$DOMAIN'" \ --default-item NetworkManager --cancel-button "Exit" \ --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 77 5 \ "SLAAC" "Use only IPv6 SLAAC to configure ethernet" \ "static IP" "Use a static IPv4 or IPv6 address to configure ethernet" \ "DHCP" "Use a DHCP (IPv4 or IPv6) 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 dialog --title "SELECT DHCP TYPE" --default-item "DHCPv4" \ --cancel-button "Exit" --menu \ "Please select the type of DHCP to use to configure your networking. Select 'DHCPv4' to configure for an IPv4 network (this is the most common type of network, and the safe choice). Select 'DHCPv6' for a pure IPv6 network, or 'Both' to try and set up both types of network." 13 73 3 \ "DHCPv4" "An IPv4 based network, with no IPv6 configuration" \ "DHCPv6" "An IPv6 based network, with no IPv4 configuration" \ "Both" "A combination of IPv4 and IPv6 networks" 2>$TMP/reply if [ $? = 1 -o $? = 255 ]; then rm -f $TMP/reply exit fi TYPE=`cat $TMP/reply` if [ "$TYPE" = "DHCPv4" ]; then USE_DHCP="yes" elif [ "$TYPE" = "DHCPv6" ]; then USE_DHCP6="yes" else USE_DHCP="yes" USE_DHCP6="yes" fi dialog --title "SET DHCP HOSTNAME" --cancel-label "Skip" \ --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 leave it blank or select 'Skip'." 13 67 \ 2> $TMP/SeTDHCPHOST ERRNO="$?" if [ "$ERRNO" = "255" ]; then rm -f $TMP/SeTDHCPHOST exit elif [ "$ERRNO" = "0" ]; then # OK, if we actually got something, use it. DHCP_HOSTNAME="$(cat $TMP/SeTDHCPHOST)" fi rm -f $TMP/SeTDHCPHOST elif [ "$REPLY" = "loopback" ]; then LOOPBACK="yes" elif [ "$REPLY" = "NetworkManager" ]; then LOOPBACK="yes" NETWORKMANAGER="yes" elif [ "$REPLY" = "SLAAC" ]; then LOOPBACK="no" USE_SLAAC="yes" else LOOPBACK="no" fi if [ "$LOOPBACK" = "no" -a ! "$USE_DHCP" = "yes" -a ! "$USE_SLAAC" = "yes" ]; then while [ 0 ]; do while [ 0 ]; do if [ -r $TMP/SeTIPSv4 ]; then IPADDRS=($(cat $TMP/SeTIPSv4)) fi dialog --title "ENTER IPv4 ADDRESSES" --cancel-label "Skip" \ --colors --inputbox \ "Enter the \Z1IPv4\Zn addresses for this host. You may list one or more, space delimited, IPv4 addresses with netmasks in the format: / For example: 111.112.113.114/24 or 111.112.113.114/24 10.0.1.114/8 Old style netmask 255.255.255.0 is equilivant of 24 in CIDR style. If a netmask is not specified a default of 24 will be used. The first address entered will become the primary IPv4 address of this host. If you do not want to configure a static IPv4 address, just leave it blank or select 'Skip'." \ 18 71 "${IPADDRS[*]}" 2> $TMP/SeTIPSv4 ERRNO="$?" if [ "$ERRNO" = "1" ]; then IPADDRS=() rm -f $TMP/SeTIPSv4 break elif [ "$ERRNO" = "255" ]; then rm -f $TMP/SeTIPSv4 exit fi IPADDRS=($(cat $TMP/SeTIPSv4)) rm -f $TMP/SeTIPSv4 if [ "${IPADDRS[*]}" = "" ]; then break fi for ((I=0; I < ${#IPADDRS[@]}; I++)); do IP="${IPADDRS[$I]%/*}" MASK="${IPADDRS[$I]#*/}" if [ "$IP" = "" ]; then dialog --title "NO IPv4 ADDRESSES" --ok-button "Back" --msgbox \ "No IP specified in entry: ${IPADDRS[$I]}." 5 55 if [ "$?" = "255" ]; then rm -f $TMP/SeTIPSv4 exit fi continue 2 fi syntax_check_v4 "$IP" 4 WARN || continue 2 if [ "$MASK" = "" ] || [ "$IP" = "$MASK" ]; then IPADDRS[$I]="$IP/24" MASK="24" fi if [[ ! "$MASK" =~ ^[0-9]+$ ]] || (($MASK <= 0)) || (($MASK > 32)); then dialog --title "INVALID NETMASK" --msgbox \ "Invalid netmask specified for entry: ${IPADDRS[$I]}. Valid netmasks will be in the range 1-32." 6 65 if [ "$?" = "255" ]; then rm -f $TMP/SeTIPSv4 exit fi echo "${IPADDRS[@]}" >$TMP/SeTIPSv4 continue 2 fi done rm -f $TMP/SeTIPSv4 break done if [ ! "${IPADDRS[*]}" = "" ]; then while [ 0 ]; do if [ -r $TMP/SeTgateway4 ]; then GATEWAY="`cat $TMP/SeTgateway4`" fi dialog --title "ENTER IPv4 GATEWAY ADDRESS" --cancel-label "Skip" --inputbox \ "Enter the address for the IPv4 gateway on your network, such as: `echo ${IPADDRS[0]} | cut -f 1-3 -d .`.1 If you don't have an IPv4 gateway on your network, leave it blank or select 'Skip'. Enter IPv4 gateway address:" 14 69 "$GATEWAY" 2> $TMP/SeTgateway4 ERRNO="$?" if [ "$ERRNO" = "1" ]; then GATEWAY="" rm -f $TMP/SeTgateway4 break elif [ "$ERRNO" = "255" ]; then rm -f $TMP/SeTgateway4 exit fi GATEWAY="`cat $TMP/SeTgateway4`" rm -f $TMP/SeTgateway4 if [ "$GATEWAY" = "" ]; then break fi syntax_check_v4 "$GATEWAY" 4 WARN if [ $? = 0 ]; then break fi done rm -f $TMP/SeTgateway4 fi while [ 0 ]; do if [ -r $TMP/SeTIPSv6 ]; then IP6ADDRS=($(cat $TMP/SeTIPSv6)) fi dialog --title "ENTER IPv6 ADDRESSES" --cancel-label "Skip" \ --colors --inputbox \ "Enter the \Z1IPv6\Zn addresses for this host. You may list one or more, space delimited, IPv6 addresses with their prefixes in the format: / For example: 1a:1b:1c:1d::abc/64 or 1a:1b:1c:1d::abc/64 2b2c::2:3:4:abc/64 If a prefix is not specified a default of 64 will be used. If you do not want to configure a static IPv6 address or don't know what to put, just leave it blank or select 'Skip'." \ 16 70 "${IP6ADDRS[*]}" 2> $TMP/SeTIPSv6 ERRNO="$?" if [ "$ERRNO" = "1" ]; then IP6ADDRS=() rm -f $TMP/SeTIPSv6 break elif [ "$ERRNO" = "255" ]; then rm -f $TMP/SeTIPSv6 exit fi IP6ADDRS=($(cat $TMP/SeTIPSv6)) rm -f $TMP/SeTIPSv6 if [ "${IP6ADDRS[*]}" = "" ]; then break fi for ((I=0; I < ${#IP6ADDRS[@]}; I++)); do IP="${IP6ADDRS[$I]%/*}" PREFIX="${IP6ADDRS[$I]#*/}" if [ "$IP" = "" ]; then dialog --title "NO IPv6 ADDRESSES" --ok-button "Back" --msgbox \ "No IP specified in entry: ${IP6ADDRS[$I]}." 5 60 if [ "$?" = "255" ]; then rm -f $TMP/SeTIPSv6 exit fi continue 2 fi syntax_check_v6 "$IP" || continue 2 if [ "$PREFIX" = "" ] || [ "$IP" == "$PREFIX" ]; then IP6ADDRS[$I]="$IP/64" PREFIX="64" fi if [[ ! "$PREFIX" =~ ^[0-9]+$ ]] || (($PREFIX <= 0)) || (($PREFIX > 128)); then dialog --title "INVALID PREFIX" --msgbox \ "Invalid prefix specified for entry: ${IP6ADDRS[$I]}. Valid prefixes will be in the range 1-128." 6 70 if [ "$?" = "255" ]; then rm -f $TMP/SeTIPSv6 exit fi echo "${IP6ADDRS[@]}" >$TMP/SeTIPSv6 continue 2 fi done rm -f $TMP/SeTIPSv6 break done if [ ! "${IP6ADDRS[*]}" = "" ]; then while [ 0 ]; do if [ -r $TMP/SeTgateway6 ]; then GATEWAY6="`cat $TMP/SeTgateway6`" fi dialog --title "ENTER IPv6 GATEWAY ADDRESS" --cancel-label "Skip" --inputbox \ "Enter the address for the IPv6 gateway on your network, such as: fe80:426c:ffff::1 If you don't have an IPv6 gateway on your network, leave it blank or select 'Skip'. Enter IPv6 gateway address:" 14 69 "$GATEWAY6" 2> $TMP/SeTgateway6 ERRNO="$?" if [ "$ERRNO" = "1" ]; then GATEWAY6="" rm -f $TMP/SeTgateway6 break elif [ "$ERRNO" = "255" ]; then rm -f $TMP/SeTgateway6 exit fi GATEWAY6="`cat $TMP/SeTgateway6`" rm -f $TMP/SeTgateway6 if [ "$GATEWAY6" = "" ]; then break fi syntax_check_v6 "$GATEWAY6" if [ $? = 0 ]; then break fi done rm -f $TMP/SeTgateway6 fi if [ "${IPADDRS[*]}" = "" ] && [ "${IP6ADDRS[*]}" = "" ]; then dialog --title "NO IP ADDRESSES" --colors --defaultno --yesno \ "\Z1You have not configured any IP addresses for this host. Are you sure you want to proceed with no IPs?\Zn" 6 59 ERRNO="$?" if [ "$ERRNO" = "255" ]; then exit elif [ "$ERRNO" = "1" ]; then continue fi fi break done fi if [ "$LOOPBACK" = "no" ]; then dialog --title "USE A NAMESERVER?" --yesno "Do you wish to configure \ a nameserver?" 5 42 if [ $? = 0 ]; then if [ ! "${IPADDRS[*]}" = "" ]; then if [ ! "$GATEWAY" = "" ]; then DNSSAMPLE="$GATEWAY" DNSDEFAULT="$GATEWAY" else DNSSAMPLE="`echo ${IPADDRS[0]} | cut -f 1-3 -d .`.1" DNSDEFAULT="${DNSSAMPLE%.1}." fi fi if [ ! "${IP6ADDRS[*]}" = "" ]; then if [ ! "$GATEWAY6" = "" ]; then DNSSAMPLE="${DNSSAMPLE:+$DNSSAMPLE or }$GATEWAY6" # Keep the v4 nameserver the default, for now. DNSDEFAULT="${DNSDEFAULT:-$GATEWAY6}" else DNSSAMPLE="${DNSSAMPLE:+$DNSSAMPLE or }${IP6ADDRS[0]%:*}:1" DNSDEFAULT="${DNSSAMPLE:-${IP6ADDRS[0]%:*}}:" fi fi while [ "$NAMESERVER" = "" ]; do dialog --title "ENTER NAMESERVER IP ADDRESS" --cancel-label "Skip" \ --inputbox \ "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:" 13 65 $DNSDEFAULT 2> $TMP/SeTns ERRNO="$?" if [ $ERRNO = 255 ]; then rm -f $TMP/SeTns exit elif [ $ERRNO = 1 ]; then rm -f $TMP/SeTns NAMESERVER="" break else NAMESERVER="`cat $TMP/SeTns`" rm -f $TMP/SeTns if [[ "$NAMESERVER" =~ ^.*:.*$ ]]; then syntax_check_v6 "$NAMESERVER" if [ ! $? = 0 ]; then DNSDEFAULT="$NAMESERVER" NAMESERVER="" continue fi else syntax_check_v4 "$NAMESERVER" 4 WARN if [ ! $? = 0 ]; then DNSDEFAULT="$NAMESERVER" NAMESERVER="" continue fi fi break fi 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 addresses: 127.0.0.1/8 ::1/128 Is this correct? Press 'Yes' to continue, or 'No' to reconfigure." 9 70 RETVAL=$? if [ "$RETVAL" = "255" ]; then exit fi IPADDRS=( 127.0.0.1/8 ) IP6ADDRS=( ::1/128 ) 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 desktop. Is this correct? Press 'Yes' to confirm, or 'No' to reconfigure." 10 71 RETVAL=$? if [ "$RETVAL" = "255" ]; then exit fi elif [ "$USE_SLAAC" = "yes" ]; then dialog --title "NETWORK SETUP COMPLETE" --yesno \ "Your system is now set up to autoconfigure an IPv6 IP address: Hostname: $HOSTNM Domain name: $DOMAIN VLAN ID: ${VLAN:-(none)} IP addresses: (use IPv6 SLAAC) Nameserver: ${NAMESERVER:-(none)} If this is correct, hit 'Yes' to confirm, or 'No' to cancel." 12 66 RETVAL=$? if [ "$RETVAL" = "255" ]; then exit fi elif [ "$USE_DHCP" = "" -a "$USE_DHCP6" = "" ]; then while [ 0 ]; do dialog --title "CONFIRM NETWORK SETUP" \ --ok-label Accept --extra-label Edit --cancel-label Abandon --inputmenu \ "These are the settings you have entered. To accept them and complete \ the networking setup, press ENTER. If you need to make any changes, you \ can do that now using 'Edit' (or reconfigure later using 'netconfig')." \ 24 75 15 \ "Hostname:" "$HOSTNM" \ "Domain Name:" "$DOMAIN" \ "VLAN ID:" "$VLAN" \ "IPv4 Addresses:" "${IPADDRS[*]}" \ "IPv4 Gateway:" "$GATEWAY" \ "IPv6 Addresses:" "${IP6ADDRS[*]}" \ "IPv6 Gateway:" "$GATEWAY6" \ "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" = "VLAN ID" ]; then VLAN=$NEWVAL elif [ "$FIELD" = "IPv4 Addresses" ]; then IPADDRS=( $NEWVAL ) elif [ "$FIELD" = "IPv4 Gateway" ]; then GATEWAY=$NEWVAL elif [ "$FIELD" = "IPv6 Addresses" ]; then IP6ADDRS=( $NEWVAL ) elif [ "$FIELD" = "IPv6 Gateway" ]; then GATEWAY6=$NEWVAL elif [ "$FIELD" = "Nameserver" ]; then NAMESERVER=$NEWVAL fi elif [ "$RETVAL" = "255" ]; then exit else break fi done if [ ! "${IPADDRS[0]}" = "" ]; then NM="$(cidr2mask "${IPADDRS[0]#*/}")" BROADCAST="$(ipmask "$NM" "${IPADDRS[0]%/*}" | cut -f 1 -d ' ')" NETWORK="$(ipmask "$NM" "${IPADDRS[0]%/*}" | cut -f 2 -d ' ')" fi else # DHCP was used dialog --title "CONFIRM NETWORK SETUP" \ --yesno "Your networking system is now configured to use DHCP: Hostname: $HOSTNM Domain name: $DOMAIN VLAN ID: ${VLAN:-(none)} DHCP hostname: ${DHCP_HOSTNAME:-(none)} IP addresses: (use DHCP server) Netmask & Prefix: (use DHCP server) Gateways: (use DHCP server) Nameserver: (use DHCP server) Is this correct? Press 'Yes' to continue, or 'No' to reconfigure." 16 76 RETVAL=$? 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 dialog --msgbox "Settings accepted. Basic network configuration is complete." 6 40 else dialog --msgbox "Settings discarded. Run the 'netconfig' command again if you need to reconfigure your network settings." 6 60 fi exit $RETVAL