Subversion Repositories livecd

#!/bin/bash

#

# Fix things during bootup - run last 

#

# Urs Beyerle, PSI

#

### -----------------------------------------------------------

### definitions

### -----------------------------------------------------------

# dir of mounted live system: /$MOUNTDIR/live

MOUNTDIR=livecd

# source functions

. /$MOUNTDIR/live/liblinuxlive

. /etc/init.d/functions

### -----------------------------------------------------------

### Get boot parameters

### -----------------------------------------------------------

# root on NFS?

NFSROOT=$( cmdline_value nfsroot )

# NFS Server

NFSSERVER=$( echo $NFSROOT | cut -d":" -f1 )

# no local user?

NOLOCAL=$( cmdline_parameter nolocal )

# no root user?

NOROOT=$( cmdline_parameter noroot )

# no localadmin?

NOADMIN=$( cmdline_parameter noadmin )

LocalAdminGroup=localadmin

# set password

PASSWD=$( cmdline_value passwd )

[ ! $PASSWD ] && PASSWD=$( cmdline_value pw )

# no password = empty password ?

NOPASSWD=$( cmdline_parameter nopasswd )

# keyboard layout (kb= or keyboard=)

KEYBOARD=$( cmdline_value keyboard )

KB=$( cmdline_value kb )

# PSI setup?

PSI=$( cmdline_parameter psi )

# cups server

CUPS=$( cmdline_value cups )

# no X11

NOX=$( cmdline_parameter nox )

# failsafe X server

SIMPLEX=$( cmdline_parameter simplex )

# NVIDIA driver

NVIDIA=$( cmdline_parameter nvidia )

if [ "$XDRIVER" = "nvidia" ]; then

    NVIDIA=nvidia

fi

# force NO NVIDIA driver - will overwite NVIDIA option

NONVIDIA=$( cmdline_parameter nonvidia )

# VESA driver

VESA=$( cmdline_parameter vesa )

# force to use a video driver ?

XDRIVER=$( cmdline_value xdriver )

# Xserver configurations

HSYNC=$( cmdline_value hsync )

VSYNC=$( cmdline_value vsync )

SCREEN=$( cmdline_value screen )

# no SWAP

NOSWAP=$( cmdline_parameter noswap )

# should we auto mount all found devices?

AUTOMOUNT=$( cmdline_parameter automount )

if [ $AUTOMOUNT ]; then

    MOUNTOPT="auto,users"

else

    MOUNTOPT="noauto,users,ro"

fi

# folder where we find data which was previously stored

# (normally on a usbstick, but can be partition)

if [ $PSI ]; then

    SAVEFOLDER=PSI_LIVECD

else

    SAVEFOLDER=SL_LIVECD

fi

# local home partition?

# (e.g. /dev/hda1, /dev/hda1:/my_home)

HOMELOCAL=$( cmdline_value home )

# fast booting ?

FASTBOOT=$( cmdline_parameter fastboot )

# start afs?

AFS=$( cmdline_parameter afs )

# or force no afs

[ $( cmdline_parameter noafs ) ] && AFS=""

# turn of sound (volume=0)

NOSOUND=$( cmdline_parameter nosound )

# local user name?

LOCALUSER=$( cmdline_value user )

# hostname?

HOSTNAME=$( cmdline_value hostname )

# do we have defined a configuration directory?

CONFIG=$( cmdline_value config )

# do not udpate fstab?

NOFSTAB=$( cmdline_parameter nofstab )

# kde/gnome as desktop

GNOME=$( cmdline_parameter gnome )

KDE=$( cmdline_parameter kde )

### -----------------------------------------------------------

### Improved hardware detection

### -----------------------------------------------------------

### Improved graphic card detection?

if [ ! $SIMPLEX ]; then

    ### Intel Mobile 945GM

    lspci | grep -q VGA.*Intel.*Mobile.*945GM

    if [ "$?" = "0" ]; then

	I945GM=i945gm

	## not yet supported by i810 driver

        ## [ $XDRIVER ] || XDRIVER=i810

	I915RESOLUTION=on

    fi

    ### Intel Mobile 915GM

    lspci | grep -q VGA.*Intel.*Mobile.*915GM

    if [ "$?" = "0" ]; then

	I915GM=i915gm

	[ $XDRIVER ] || XDRIVER=i810

	I855RESOLUTION=on

    fi

    ### Intel Mobile 855GM

    lspci | grep -q VGA.*Intel.*855GM

    if [ "$?" = "0" ]; then

	I855GM=i855gm

	I855RESOLUTION=on

    fi

fi

### -----------------------------------------------------------

### Main

### -----------------------------------------------------------

### try load fuse kernel module

modprobe fuse 2>/dev/null

### activate SWAP

# delete all swap lines in fstab

 sed -i -e "/ swap /d" /etc/fstab

# search for swap partition

fdisk -l > /var/log/fdisk

swap_part=$( fdisk -l 2>/dev/null | grep -i "Linux swap" \

            | grep "^/dev/" | cut -f 1 -d " " | head -1 )

# add to /etc/fstab and activate SWAP

if [ $swap_part ] && [ ! $NOSWAP ]; then

    echo "$swap_part               swap                    swap    defaults 0 0" >>/etc/fstab

    # activate SWAP

    swapoff -a

    swapon -a -e

fi

### MAC Address of eth0

MAC_ETH0=$( ifconfig | grep eth0 | awk '{print $5}' )

### Get CONFIG_FOLDER for this machine from NFS Server (if existing) 

#   and copy it to /$MOUNTDIR

if [ $NFSSERVER ] && [ $CONFIG ]; then

    mkdir -p /mnt/config

    echo "Search for configuration files on the server ..."

    /etc/init.d/portmap start >/dev/null

    mount -t nfs $NFSSERVER:$CONFIG /mnt/config 2>/dev/null

    if [ "$?" != "0" ]; then

	echo "Could not mount $NFSSERVER:$CONFIG."

    else

	if [ -d /mnt/config/$MAC_ETH0 ]; then

	    CONFIG_FOLDER=/$MOUNTDIR/config

	    mkdir -p $CONFIG_FOLDER

	    cp -a /mnt/config/$MAC_ETH0/* /$CONFIG_FOLDER/ 2>/dev/null

	    if [ "$?" != "0" ]; then

		echo "Could not get $NFSSERVER:$CONFIG/$MAC_ETH0"

		CONFIG_FOLDER=""

	    else

		echo "Found configuration files on the server." 

	    fi	    

	fi

	umount /mnt/config

    fi

    /etc/init.d/portmap stop >/dev/null

fi

### search for partitions and update fstab 

### and look for $SAVEFOLDER (previously stored data)

if [ ! $FASTBOOT ] && [ ! $NOFSTAB ]; then

    echo "Update /etc/fstab ..."

    # disable kernel messages during mount/unmount

    echo 0 > /proc/sys/kernel/printk

    DEVICES=$( list_partition_devices )

    for DEVICE in $DEVICES; do

        # try to mount the device and unmount it. 

        # If OK, we can add it to fstab

	DEV=$( echo $DEVICE | cut -d"/" -f 3 )

	if [ $DEV ]; then

	    mkdir -p /mnt/$DEV

	    mount $DEVICE /mnt/$DEV >/dev/null 2>&1

	    # search for $SAVEFOLDER

	    if [ -d /mnt/$DEV/$SAVEFOLDER ]; then

		FOUND_RESTORE_DEV=/dev/$DEV

		echo "Found folder '$SAVEFOLDER' on $FOUND_RESTORE_DEV"

	    fi

	    # unmount again

	    umount /mnt/$DEV >/dev/null 2>&1

	    # if sucsessful add to fstab, if not already done

	    if [ "$?" = "0" ]; then

		grep -q "^$DEVICE " /etc/fstab

		if [ "$?" != "0" ]; then

		    echo -e "$DEVICE \t /mnt/$DEV \t auto \t $MOUNTOPT,suid,dev,exec 0 0" >> /etc/fstab

		fi

	    else

		rmdir /mnt/$DEV 2>/dev/null

	    fi

	fi

    done

    # enable kernel messages again

    echo 6 > /proc/sys/kernel/printk

fi

### if $SAVEFOLDER found, set $CONFIG_FOLDER and mount $FOUND_RESTORE_MNT 

if [ $FOUND_RESTORE_DEV ]; then

    FOUND_RESTORE_MNT=$( grep "^$FOUND_RESTORE_DEV " /etc/fstab | awk '{ print $2 }' )

    CONFIG_FOLDER=$FOUND_RESTORE_MNT/$SAVEFOLDER

    echo "Will restore data from $CONFIG_FOLDER"

    mount $FOUND_RESTORE_MNT

fi

### source the file "config", if found in $CONFIG_FOLDER

if [ -f $CONFIG_FOLDER/config ]; then

    . $CONFIG_FOLDER/config

fi

### do we have a shadow/passwd file in $FOUND_FOULDER 

if [ -r $CONFIG_FOLDER/passwd.tar.gz ] && [ -r $CONFIG_FOLDER/shadow.tar.gz ]; then

    # we do not need a password for local user and root

    NOLOCAL=nolocal

    NOROOT=noroot

fi

### set local user name and default hostname

if [ $PSI ]; then

    [ $LOCALUSER ] || LOCALUSER=l_psi

    DEFAULT_HOSTNAME=psi

else

    [ $LOCALUSER ] || LOCALUSER=sluser

    DEFAULT_HOSTNAME=slinux

fi

### start 855resolution?

[ $I855RESOLUTION ] && /etc/init.d/855resolution start 2>/dev/null

### start 915resolution?

[ $I915RESOLUTION ] && /etc/init.d/915resolution start 2>/dev/null

### configure Xserver

### check for xorg.conf in CONFIG_FOLDER

if [ -r $CONFIG_FOLDER/xorg.conf ]; then

    cp -af $CONFIG_FOLDER/xorg.conf /etc/X11/xorg.conf

    if [ "$?" = "0" ]; then

	echo "Saved xorg.conf file found."

	XDRIVER=""

	HAVE_XORG_CONF="yes"

    fi

fi

### use vesa driver?

if [ $VESA ]; then

    echo "Force to use VESA driver!"

    video_driver="--set-driver=vesa"

else

    video_driver=""

fi

### force an other video driver?

if [ $XDRIVER ]; then

    echo "Force to use $XDRIVER driver!"

    video_driver="--set-driver=$XDRIVER"

fi

### run system-config-display

if [ -x /usr/bin/system-config-display ]; then

    echo "Configure Xserver:"

    if [ ! $HAVE_XORG_CONF ]; then

	if [ ! $SIMPLEX ]; then

            # default values

	    [ ! $HSYNC ] && HSYNC="30.0-80.0"

	    [ ! $VSYNC ] && VSYNC="50.0-90.0"

	    [ ! $SCREEN ] && SCREEN="1280x1024"

	    system-config-display \

		--reconfig \

		--set-resolution=$SCREEN \

		--set-hsync=$HSYNC \

		--set-vsync=$VSYNC \

		$video_driver

	else

	    echo "Use simple Xserver configuration."

	    system-config-display --noui --reconfig

	fi

    fi

fi

### enable NVIDIA driver (needs nvidia, nvidia-libs rpms)

if [ $NVIDIA ] && [ ! $NONVIDIA ]; then

    # serach for Nvidia Video Card

    /sbin/lspci | grep VGA | grep -i -q nvidia

    if [ "$?" = "0" ]; then

	# lib or lib64 ?

	LIB=lib

	[ $( arch ) = "x86_64" ] && LIB=lib64

	# find out installed Nvidia driver version

	libglx=$( ls /usr/X11R6/$LIB/modules/extensions/libglx.so.1.* | head -n 1 )

	nvidia_version=${libglx##*.so.1.}

	# enable Nvidia driver (normally done by nvidia-enable - does not work on LiveCD)

	echo -n "NVIDIA graphic card found. Enable the nvidia driver ${nvidia_version} ... " 

	NVLOG=/var/log/nvidia.log

	# assuming that the kernel modules are already build 

	# link to Nvidia libs

	ln -sf ../../usr/X11R6/$LIB/libGL.so.1.${nvidia_version} /usr/$LIB/libGL.so

	ln -sf libGL.so.1.${nvidia_version} /usr/X11R6/$LIB/libGL.so

	rm -f /usr/X11R6/$LIB/modules/extensions/libGLcore.a 

	rm -f /usr/X11R6/$LIB/modules/extensions/libglx.a

	ln -sf libglx.so.1.${nvidia_version} /usr/X11R6/$LIB/modules/extensions/libglx.so

	# reconfigure X

	/usr/sbin/nvidia-xconfig >> $NVLOG 2>&1

	if [ $PSI ]; then

	    echo 'NVIDIA=on' >> /etc/sysconfig/cfengine

	fi

	echo "ok."

    fi

fi

### set special video driver options for Intel Mobile

#   (external VGA output: Clone)

if [ $I915GM ] || [ $I855GM ]; then

    sed -e "/Section[ \t]*\"Device\"/,/EndSection/{

     /^[ \t]*Option[ \t]*\"MonitorLayout\"/d

     /^[ \t]*Option[ \t]*\"Clone/d

     /EndSection/i\\

        Option      \"MonitorLayout\" \"CRT,LFP\"\\

        Option      \"Clone\" \"1\"\\

        Option      \"CloneRefresh\" \"60\"

     }" -i /etc/X11/xorg.conf

fi

# Set BoardName for Intel 915GM

if [ $I915GM ]; then

    sed -i 's/BoardName.*VESA driver.*/BoardName   "Intel 915"/' /etc/X11/xorg.conf

fi

### parameter KB = KEYBOARD

KEYBOARD=$KB

### ask user for keyboard layout if no keyboard given

if [ -x /usr/bin/system-config-keyboard ]; then

    if [ ! $KEYBOARD ]; then

	MORE_LAYOUTS="more..."

	keytables="U.S...........(us) \

	           Swiss-German..(sg-latin1) \

                   Swiss-French..(fr_CH-latin1) \

                   German........(de-latin1) \

                   Japanese......(jp106) \

                   $MORE_LAYOUTS"

	PS3="-> "

	echo

	echo "Please choose keyboard layout (type 1-6):"

	select KEYBOARD in $keytables;

	  do

	     case $KEYBOARD in

	        *)

	        # extract keyboard layout string from $KEYBOARD

	        KEYBOARD=${KEYBOARD##*(}

                KEYBOARD=${KEYBOARD%%)}

                break

                ;;

	     esac

	  done

    fi

fi

### set keyboard

if [ -x /usr/bin/system-config-keyboard ]; then

    if [ "$KEYBOARD" = "$MORE_LAYOUTS" ]; then

	system-config-keyboard --text

    else

	echo -n "Set keyboard to '$KEYBOARD', please wait ... "

	system-config-keyboard --noui $KEYBOARD >/dev/null 2>&1

	echo "done."

    fi

    echo

fi

### update AFS users and SEPP links (only for PSI)

if [ $PSI ] && [ $AFS ]; then

    echo "Update AFS users and SEPP links..."

    [ -x /afs/psi.ch/sys/common/update_user.pl ] && /afs/psi.ch/sys/common/update_user.pl >/dev/null 2>&1 &

    [ -x /afs/psi.ch/sys/common/update_sepp.pl ] && /afs/psi.ch/sys/common/update_sepp.pl >/dev/null 2>&1 &

    sleep 1

    echo

fi

### create local user, if "nolocal" is not set 

if [ ! $NOLOCAL ]; then

    user=$LOCALUSER

    # execute useradd twice, to make it work (don't know why)

    if [ $PSI ] && [ ! $NOADMIN ]; then

	userdel -r $user 2>/dev/null

	useradd -G $LocalAdminGroup $user 2>/dev/null

	userdel -r $user 2>/dev/null

	useradd -G $LocalAdminGroup $user

    else

	userdel -r $user 2>/dev/null

	useradd $user 2>/dev/null

	userdel -r $user 2>/dev/null

	useradd $user

    fi

    # only for PSI: change users's group to GID=UID+50000

    if [ $PSI ]; then

	uid=$( id -u $user )

	old_gid=$( id -g $user )

	new_gid=$(( $old_gid + 50000 ))

        # fix /etc/group

	sed -i "s/${user}:x:${old_gid}:/${user}:x:${new_gid}:/" /etc/group

        # fix /etc/passwd

	sed -i "s/${user}:x:${uid}:${old_gid}:/${user}:x:${uid}:${new_gid}:/" /etc/passwd

        # fix perm of /home/${user)

	chgrp -R $user /home/${user}

    fi

fi

### copy special files for PSI user l_psi

if [ $PSI ] && [ ! $NOLOCAL ]; then

    find /usr/share/${LOCALUSER}/ -maxdepth 1 -mindepth 1 2>/dev/null | \

    while read dir; do 

	cp -a $dir /home/${LOCALUSER}/

    done

    # set owner

    chown -R ${LOCALUSER}.${LOCALUSER} /home/${LOCALUSER}

fi

### set password for root and local user

if [ ! $NOPASSWD ]; then

    if [ ! $NOROOT ] || [ ! $NOLOCAL ]; then

	echo -n "Set password for "

	if [ ! $NOROOT ]; then

	    echo -n "'root' "

	fi

	if [ ! $NOROOT ] && [ ! $NOLOCAL ]; then

	    echo -n "and "

	fi

	if [ ! $NOLOCAL ]; then

	    echo -n "local user '$user' "

	fi

	echo

	if [ ! $NOLOCAL ]; then

	    echo "Login as local user '$user' with this password."

	    echo

	fi

        # set password, if not yet given by $PASSWD

	until [ $PASSWD ]; do

	    echo -n "Password: "

	    read -s PASSWD

	    echo

	done

	if [ ! $NOROOT ]; then

	    echo $PASSWD | passwd --stdin root >/dev/null

	fi

	if [ ! $NOLOCAL ]; then

	    echo $PASSWD | passwd --stdin $user >/dev/null

	fi

	echo

    fi

else

    # set root and $LOCALUSER to empty password

    sed -i "s|^root:.*|root::12345:0:99999:1:::|" /etc/shadow

    sed -i "s|^$LOCALUSER:.*|$LOCALUSER::12345:0:99999:1:::|" /etc/shadow

fi

### try to get hostname from DNS, if not yet defined

if [ ! $HOSTNAME ]; then

    echo "Try to get hostname from DNS ..."

    IP=$( /sbin/ip add show dev eth0 2>/dev/null | grep "inet " | cut -d" " -f6 | sed 's|/.*||' )

    if [ "$IP" = "" ]; then

	IP=$( /sbin/ip add show dev eth1 2>/dev/null | grep "inet " | cut -d" " -f6 | sed 's|/.*||' )

    fi

    if [ "$IP" != "" ]; then

	host -W 1 $IP >/dev/null 2>&1

	if [ "$?" = "0" ]; then

	    HOSTNAME=$( host -W 1 $IP | cut -d" " -f 5 | cut -d"." -f 1 )

	    if [ "$HOSTNAME" = "3(NXDOMAIN)" ]; then

		HOSTNAME=$DEFAULT_HOSTNAME

	    fi	

	    if [ "$HOSTNAME" = "no" ]; then

		HOSTNAME=$DEFAULT_HOSTNAME

	    fi	

	fi

    fi

fi

### define default hostname, if $HOSTNAME still not yet set

if [ ! $HOSTNAME ]; then

    HOSTNAME=$DEFAULT_HOSTNAME

fi

### set hostname for eth0 or eth1

export HOSTNAME=$HOSTNAME

hostname $HOSTNAME

sed -i "s/HOSTNAME=.*/HOSTNAME=${HOSTNAME}/" /etc/sysconfig/network

if [ $PSI ]; then

    sed -i "s/hostname=.*/hostname=${HOSTNAME}.psi.ch/" /etc/ssmtp/ssmtp.conf

    sed -i "s/HOSTNAME=.*/HOSTNAME=${HOSTNAME}/" /etc/sysconfig/cfengine

fi

echo "DHCP_HOSTNAME=${HOSTNAME}" >> /etc/sysconfig/networking/devices/ifcfg-eth0

echo "DHCP_HOSTNAME=${HOSTNAME}" >> /etc/sysconfig/networking/devices/ifcfg-eth1

echo "Hostname set to: $HOSTNAME"

echo

### set cups server

if [ $CUPS ]; then

    sed -i "s|.*ServerName .*|ServerName  $CUPS|" /etc/cups/client.conf

fi

### some magic: just access this file in order that it can be sourced later

ls -lag /etc/X11/xinit/xinitrc-common >/dev/null 2>&1

sleep 1

### set keyboard for rdesktop

if [ -e /etc/X11/xorg.conf ]; then

    grep -q de_CH /etc/X11/xorg.conf && RDESKTOP_OPT="-k de-ch"

    grep -q fr_CH /etc/X11/xorg.conf && RDESKTOP_OPT="-k fr-ch"

    grep -q jp106 /etc/X11/xorg.conf && RDESKTOP_OPT="-k ja"

fi

if [ "$RDESKTOP_OPT" ]; then

    echo "alias rdesktop='rdesktop $RDESKTOP_OPT'" > /etc/profile.d/rdesktop.sh

    echo "export RDESKTOP_OPT='$RDESKTOP_OPT'" >> /etc/profile.d/rdesktop.sh

    chmod 755 /etc/profile.d/rdesktop.sh

fi

### run setup script, if found in $CONFIG_FOLDER on $FOUND_RESTORE_MNT

if [ -r $CONFIG_FOLDER/setup ]; then

    CONFIG_FOLDER=$CONFIG_FOLDER bash $CONFIG_FOLDER/setup

fi

### umount $FOUND_RESTORE_MNT

if [ $FOUND_RESTORE_MNT ]; then

    echo "Unmount $FOUND_RESTORE_MNT"

    umount $FOUND_RESTORE_MNT 2>/dev/null

    sleep 3

fi

### local home partition?

if [ $HOMELOCAL ]; then

    mv /home /home.old

    mkdir -p /mnt/home_par

    # which partition? which folder?

    HOMEPAR=$( echo $HOMELOCAL | cut -d":" -f1 )

    HOMEDIR=$( echo $HOMELOCAL | grep ":" | cut -d":" -f2 )

    umount $HOMEPAR 2>/dev/null

    # mount it with option noatime, healthy for USB flash drives

    mount -o noatime -rw $HOMEPAR /mnt/home_par 2>/dev/null

    if [ "$?" != "0" ]; then

	echo "ERROR: Could not mount read/write $HOMEPAR"

	umount $HOMEPAR >/dev/null 2&>1

	mv /home.old /home

    else

	echo "$HOMEPAR mounted on /mnt/home_par"

	# link to new home

	ln -s /mnt/home_par/$HOMEDIR /home

	if [ ! -d /mnt/home_par/$HOMEDIR ]; then

	    echo "$HOMELOCAL not found on $HOMEPAR"

	    echo mkdir -p /mnt/home_par/$HOMEDIR

	    if [ "$?" != "0" ]; then

		echo "ERROR: Could not create $HOMELOCAL on $HOMEPAR"

		umount $HOMEPAR >/dev/null 2&>1

		rm -f /home

		mv /home.old /home

	    else

		echo "Folder $HOMEDIR created on $HOMEPAR"

	    fi

	fi

	if [ -d /mnt/home_par/$HOMEDIR ]; then

	    echo "/home is linked to /mnt/home_par${HOMEDIR}"

	    # copy files from /home.old to /home, which are not yet there

	    /bin/cp -a -i --reply=no /home.old/* /home/ 

	    rm -rf /home.old

	fi

    fi

    sleep 2

fi

### mount all if AUTOMOUNT set

if [ $AUTOMOUNT ]; then

    mount -a

fi

### unmute all mixers and set volumes

if [ -x /usr/bin/set-volume ]; then 

    if [ $NOSOUND ]; then

	/usr/bin/set-volume 0 > /var/log/set-volume.log 2>&1 &

    else

	/usr/bin/set-volume 60 > /var/log/set-volume.log 2>&1 &

    fi

fi

### set kde or gnome as desktop

if [ $KDE ]; then

    sed -i "/^DESKTOP=.*/d" /etc/sysconfig/desktop 2&>/dev/null

    echo "DESKTOP=KDE" >> /etc/sysconfig/desktop

fi

if [ $GNOME ]; then

    sed -i "/^DESKTOP=.*/d" /etc/sysconfig/desktop 2&>/dev/null

    echo "DESKTOP=GNOME" >> /etc/sysconfig/desktop

fi

### change to runlevel 3, if NOX (bad hack)

if [ $NOX ]; then

    init 3

fi