Subversion Repositories livecd

#!/bin/bash
#
# chkconfig: 345 04 96
# description:  Noninteractive HW detection and configuration \
#               in particular configure network devices. \
#               Used on LiveCD systems.
#
# Urs Beyerle, PSI
#

### -----------------------------------------------------------
### definitions
### -----------------------------------------------------------

# dir of mounted /$MOUNTDIR/live
MOUNTDIR=livecd

# source functions
. /$MOUNTDIR/live/liblinuxlive
. /etc/init.d/functions

# do not run, if we change runlevels
touch /var/lock/subsys/kudzu-auto

### -----------------------------------------------------------
### Get boot parameters
### -----------------------------------------------------------

# do not start network
NONET=$( cmdline_parameter nonet )

# static IP
IPADDR=$( cmdline_value ip )

# gateway
GATEWAY=$( cmdline_value gw )

# netmask
NETMASK=$( cmdline_value netmask )

# start WLAN network on boot
WLAN=$( cmdline_parameter wlan )

# do not apply any fixes (for debugging)
NOFIX=$( cmdline_parameter nofix )


### -----------------------------------------------------------
### Function start_kudzu_auto
### -----------------------------------------------------------

start_kudzu_auto() {

    ### run kudzu in quiet mode
    action $"Hardware auto-detection, please wait... " /usr/sbin/kudzu -q


    ### never start on boot the following network devices (wifi0)
    if [ ! $NOFIX ]; then
        for iface in wifi0; do
            for file in networking/profiles/default/ifcfg \
                        networking/devices/ifcfg \
                        network-scripts/ifcfg; do
              if [ -e /etc/sysconfig/${file}-${iface} ]; then
                  sed -i "s/ONBOOT=.*/ONBOOT=no/" /etc/sysconfig/${file}-${iface}
              fi
            done
        done
    fi


    ### do not start network devices, if NONET is defined
    if [ $NONET ]; then
        # find all network devices (exclude loopback device)
        config_files=$( find /etc/sysconfig -name ifcfg-* 2>/dev/null | grep -v ifcfg-lo )
        for file in $config_files; do
            sed -i "s/ONBOOT=.*/ONBOOT=no/" $file
        done
    fi
    

    ### define static IP and gateway, netmask
    if [ $IPADDR ]; then    
        if [ ! $GATEWAY ]; then
            # default gatway x.y.z.1
            GATEWAY=$( echo $IPADDR | awk -F"." '{ print $1"."$2"."$3".1" }' )
            if [ ! $NETMASK ]; then
                NETMASK=255.255.255.0
            fi
        fi
        # create config files for eth0
        for iface in eth0; do
            for file in networking/profiles/default/ifcfg \
                        networking/devices/ifcfg \
                        network-scripts/ifcfg; do
              sed -i "s/BOOTPROTO=.*/BOOTPROTO=none/" /etc/sysconfig/${file}-${iface}
              echo "IPADDR=$IPADDR" > /etc/sysconfig/${file}-${iface}
              echo "NETMASK=$NETMASK" > /etc/sysconfig/${file}-${iface}
              echo "GATEWAY=$GATEWAY" > /etc/sysconfig/${file}-${iface}
            done
        done
    fi
    
    
    ### activate Atheros WLAN
    lspci | grep -q Ethernet.*Atheros
    if [ "$?" = "0" ]; then
        # bring ath0 up
        ifconfig ath0 up > /dev/null 2>&1
        # replace wifi0 with ath0
        for file in networking/profiles/default/ifcfg \
                    networking/devices/ifcfg \
                    network-scripts/ifcfg; do
          if [ -e /etc/sysconfig/${file}-wifi0 ]; then
              mv /etc/sysconfig/${file}-wifi0 /etc/sysconfig/${file}-ath0
              sed -i "s/wifi0/ath0/" /etc/sysconfig/${file}-ath0
              grep -q Wireless /etc/sysconfig/${file}-ath0
              [ "$?" != "0" ] && echo "TYPE=Wireless" >> /etc/sysconfig/${file}-ath0
          fi
        done
    fi
    
    
    ### configure iwl4965 Intel WLAN Chip
    lspci | grep -q Wireless.*4965
    if [ "$?" = "0" ]; then
        find /lib/modules/ 2>&1 | grep -q iwl4965.ko
        if [ "$?" = "0" ]; then
            grep -q iwl4965 /etc/modprobe.conf
            if [ "$?" != "0" ]; then
                echo "alias wlan0 iwl4965" >> /etc/modprobe.conf
            fi
            if [ ! -e /etc/sysconfig/network-scripts/ifcfg-wlan0 ]; then
                cat > /etc/sysconfig/network-scripts/ifcfg-wlan0 <<EOF
TYPE=Wireless
DEVICE=wlan0
BOOTPROTO=dhcp
NETMASK=
DHCP_HOSTNAME=
IPADDR=
DOMAIN=
ONBOOT=no
USERCTL=no
IPV6INIT=no
PEERDNS=yes
ESSID=
CHANNEL=6
MODE=Managed
RATE=Auto
EOF
                ln /etc/sysconfig/network-scripts/ifcfg-wlan0 /etc/sysconfig/networking/devices/ifcfg-wlan0
                ln /etc/sysconfig/network-scripts/ifcfg-wlan0 /etc/sysconfig/networking/profiles/default/ifcfg-wlan0 
            fi
        fi
    fi


    ### do not start WLAN devices on boot
    if [ ! $WLAN ]; then
        # find all network devices (exclude loopback device)
        config_files=$( find /etc/sysconfig -name ifcfg-* 2>/dev/null | grep -v ifcfg-lo )
        for file in $config_files; do
            # WLAN device?
            grep -q TYPE=Wireless $file
            if [ "$?" = "0" ]; then
                sed -i "s/ONBOOT=.*/ONBOOT=no/" $file
            fi
        done
    fi     

}


### -----------------------------------------------------------
### Main
### -----------------------------------------------------------

case "$1" in
 start)
     start_kudzu_auto
     ;;

 stop)
     ;;

 *)
     echo $"Usage: $0 {start|stop}"
     exit 1
     ;;

esac