#!/static/sh # Filename: /linuxrc # Purpose: minirt for kernel 2.6 running on grml live-cd # Authors: (c) Klaus Knopper , (c) Michael Prokop # Latest change: Tue Mar 27 23:05:51 CEST 2007 ####################################################################################### # hardcoded configurable options # Default maximum size of dynamic ramdisk in kilobytes RAMSIZE=1000000 # End of options # Don't allow interrupt signals trap "" 1 2 3 15 # Misc functions INSMOD="/static/insmod" # [ -x /modules/insmod ] && INSMOD="/modules/insmod" RMMOD="/static/rmmod" # [ -x /modules/rmmod ] && RMMOD="/modules/rmmod" # Builin filesystems # BUILTIN_FS="iso9660 ext2 vfat" BUILTIN_FS="iso9660 ext2 ext3 reiserfs vfat xfs jfs reiser4" mountit(){ # Usage: mountit src dst "options" for fs in $BUILTIN_FS; do if test -b $1; then options="$3" case "$fs" in vfat) # We REALLY need this for Knoppix on DOS-filesystems shortname="shortname=winnt" [ -n "$options" ] && options="$options,$shortname" || options="-o $shortname" ;; esac mount -t $fs $options $1 $2 >/dev/null 2>&1 && return 0 fi done return 1 } FOUND_SCSI="" FOUND_GRML="" INTERACTIVE="" # Clean input/output exec >/dev/console &1 # Mount /proc and /dev/pts mount -t proc /proc /proc # Disable kernel messages while probing modules in autodetect mode echo "0" > /proc/sys/kernel/printk mount -t devpts /dev/pts /dev/pts # Kernel 2.6 mount -t sysfs /sys /sys >/dev/null 2>&1 # Read boot command line with builtin cat command (shell read function fails in Kernel 2.4.19-rc1) CMDLINE="$(cat /proc/cmdline)" # Simple shell grep stringinfile(){ case "$(cat $2)" in *$1*) return 0;; esac return 1 } # same for strings stringinstring(){ case "$2" in *$1*) return 0;; esac return 1 } # Reread boot command line; echo last parameter's argument or return false. getbootparam(){ stringinstring " $1=" "$CMDLINE" || return 1 result="${CMDLINE##*$1=}" result="${result%%[ ]*}" echo "$result" return 0 } # Check boot commandline for specified option checkbootparam(){ stringinstring " $1" "$CMDLINE" return "$?" } if checkbootparam "nocolor" ; then echo "Disabling colors in bootsequence as requested on commandline." # Reset fb color mode RESET="]R" # ANSI COLORS # Erase to end of line CRE=" " # Clear and reset Screen CLEAR="c" else # Reset fb color mode RESET="]R" # ANSI COLORS # Erase to end of line CRE=" " # Clear and reset Screen CLEAR="c" # Normal color NORMAL="" # RED: Failure or error message RED="" # GREEN: Success message GREEN="" # YELLOW: Descriptions YELLOW="" # BLUE: System mesages BLUE="" # MAGENTA: Found devices or drivers MAGENTA="" # CYAN: Questions CYAN="" # BOLD WHITE: Hint WHITE="" fi # don't output anything if running with bootsplash feature if checkbootparam "splash" ; then echo "" echo "${WHITE}Welcome to" echo "" echo "${RED} ____ ____ __ __ _ " echo "${RED} / ___| _ \| \/ | | " echo "${RED} | | _| |_) | |\/| | | " echo "${RED} | |_| | _ <| | | | |___ " echo "${RED} \____|_| \_\_| |_|_____|" echo "" echo "${WHITE}grml.org - Linux for users of texttools and sysadmins." echo "${NORMAL}" exec >/dev/null &1 fi # helper functions {{{ #log_success_msg () { # echo " * $@" #} log_failure_msg () { echo " ${RED}*${NORMAL} $@" } #log_warning_msg () { # echo " ${BLUE}*${NORMAL} $@" #} # int log_begin_message (char *message) log_begin_msg () { echo -n " ${GREEN}*${NORMAL} $@" } log_warn_msg () { echo -n " ${YELLOW}*${NORMAL} $@" } # int log_end_message (int exitstatus) SUCCESS=" ${BLUE}[ ${GREEN}ok ${BLUE}]${NORMAL}" FAILED=" ${NORMAL}[${RED}fail${NORMAL}]" # }}} # Clear screen with colormode reset # echo "$CLEAR$RESET" # echo "$CLEAR" # Just go to the top of the screen # echo -n "" echo "" echo "${WHITE}Welcome to" echo "" echo "${RED} ____ ____ __ __ _ " echo "${RED} / ___| _ \| \/ | | " echo "${RED} | | _| |_) | |\/| | | " echo "${RED} | |_| | _ <| | | | |___ " echo "${RED} \____|_| \_\_| |_|_____|" echo "" echo "${WHITE}grml.org - Linux for users of texttools and sysadmins." echo "${NORMAL}" # We need the builtin commands and /static only starting at this point PATH=/static export PATH umask 022 case "$CMDLINE" in *debuglinuxrc*) set -x; echo "linuxrc debugging activated"; DEBUG="yes"; ;; esac case "$CMDLINE" in *BOOT_IMAGE=expert\ *) INTERACTIVE="yes"; :>/interactive; ;; esac case "$CMDLINE" in *BOOT_IMAGE=vmware\ *) VMWARE="yes"; ;; esac case "$CMDLINE" in *modules-disk*) INTERACTIVE="yes"; ;; esac case "$CMDLINE" in *BOOT_IMAGE=debug\ *|*\ debug\ *) DEBUG="yes"; ;; esac case "$CMDLINE" in *secure*) SECURE=",nosuid"; ;; esac # Does the user want to skip scsi detection? NOSCSI="" NOUSB="" NOFIREWIRE="" case "$CMDLINE" in *noscsi*|*nobootscsi*) NOSCSI="yes"; ;; esac case "$CMDLINE" in *nousb\ *|*nobootusb*) NOUSB="yes"; ;; esac case "$CMDLINE" in *nofirewire*|*nobootfirewire*) NOFIREWIRE="yes"; ;; esac NOCD="" case "$CMDLINE" in *fromhd*) NOCD="yes"; ;; esac case "$CMDLINE" in *fromdvd*) FROMDVD="yes"; ;; esac case "$CMDLINE" in *idecd*|*atapicd*) IDECD="yes"; ;; esac case "$CMDLINE" in *noideraid*) NOIDERAID="yes"; ;; esac USB2="ehci-hcd.ko" case "$CMDLINE" in *nousb2*) USB2="" NOUSB2="yes"; ;; esac case "$CMDLINE" in *\ usb*) USB="yes"; ;; esac GRML_DIR="GRML" GRML_NAME="GRML" case "$CMDLINE" in *grml_dir=*) GRML_DIR="$grml_dir"; ;; esac case "$CMDLINE" in *grml_name=*) GRML_NAME="$grml_name"; ;; esac # NFS for i in $cmdline; do case "$i" in nfsdir=*|NFSDIR=*) eval $i;; esac; done [ -n "$nfsdir" ] && NFS="$nfsdir" if [ -n "$DEBUG" ]; then log_begin_msg "Bootoption debug detected. Printing kernel command line:" echo "" cat /proc/cmdline fi # Run a shell if in debug mode # echo "${BLUE}Dropping you to a busybox shell for debugging.${NORMAL}" stage=1 rundebugshell(){ if [ -n "$DEBUG" ]; then log_begin_msg "Starting intermediate shell stage $stage as requested by \"debug\" option." echo "" echo " ${GREEN}-${NORMAL} Just exit the shell to continue boot process...${NORMAL}" if [ -x /static/sh ]; then /static/sh else /bin/bash fi fi } rundebugshell # Mount module disk mountmodules(){ TYPE="$1"; shift echo -n "${CRE}Please insert ${TYPE} modules disk and hit Return." read a echo -n "${CRE}Mounting ${TYPE} modules disk... " # We always mount over /modules/scsi (because it's there ;-) if mountit /dev/fd0 /modules/scsi "-o ro"; then echo "${GREEN}OK.${NORMAL}" return 0 fi echo "${RED}NOT FOUND.${NORMAL}" return 1 } # Unmount module disk umountmodules(){ TYPE="$1"; shift echo -n "${CRE}Unmounting ${TYPE} modules disk... " umount /modules/scsi 2>/dev/null echo "${GREEN}DONE.${NORMAL}" } # Ask user for modules askmodules(){ TYPE="$1"; shift echo "${TYPE} modules available:${WHITE}" c="" for m in "$@"; do if test -f "/modules/scsi/$m"; then test -z "$c" && { echo -n " $m"; c="1"; } || { echo " $m"; c=""; } fi done [ -n "$c" ] && echo "" echo "Load ${TYPE} Modules?" echo "[Enter full filename(s) (space-separated), Return for autoprobe, n for none] " echo -n "insmod module(s)> " read MODULES case "$MODULES" in n|N) MODULES=""; ;; y|"") MODULES="$*"; ;; esac } # Try to load the given modules (full path or current directory) loadmodules(){ TYPE="$1"; shift test -n "$INTERACTIVE" && echo "6" > /proc/sys/kernel/printk echo "" for i in "$@"; do echo -n " Probing ${TYPE}... ${WHITE}$i${NORMAL}: " if test -f /modules/scsi/$i.ko && $INSMOD /modules/scsi/$i.ko >/dev/null 2>&1 && echo " $SUCCESS" || echo " failed " ; then case "$TYPE" in scsi|SCSI) FOUND_SCSI="yes"; ;; esac fi done test -n "$INTERACTIVE" && echo "0" > /proc/sys/kernel/printk echo -n "${CRE}" } # Check for SCSI, use modules on bootfloppy first # Trying to do kind of /proc/pci hardware detection if checkbootparam oldscsi ; then PROCPCI="`cat /proc/pci 2>/dev/null`" case "$PROCPCI" in *[Aa][Ii][Cc]-*|*[Aa][Hh][Aa]-*) SCSI_PROBE="$SCSI_PROBE aic7xxx" ;; esac case "$PROCPCI" in *[Bb][Uu][Ss][Ll][Oo][Gg][Ii][Cc]*) SCSI_PROBE="$SCSI_PROBE BusLogic" ;; esac case "$PROCPCI" in *[Tt][Rr][Mm]-[Ss]1040*|*[Dd][Cc]395*|*[Dd][Cc]315*) SCSI_PROBE="$SCSI_PROBE dc395x" ;; esac case "$PROCPCI" in *53[Cc]8*) SCSI_PROBE="$SCSI_PROBE sym53c8xx" ;; esac case "$PROCPCI" in *53[Cc]9*) SCSI_PROBE="$SCSI_PROBE NCR53C9x" ;; esac case "$PROCPCI" in *53[Cc]406*) SCSI_PROBE="$SCSI_PROBE NCR53c406a" ;; esac case "$PROCPCI" in *[Ii][Nn][Ii][Tt][Ii][Oo]\ *|*[Ii][Nn][Ii]-[Aa]100[Uu]2[Ww]*) SCSI_PROBE="$SCSI_PROBE initio" ;; esac case "$PROCPCI" in *[Mm][Pp][Tt]*[Ss][Cc][Ss][Ii]*) SCSI_PROBE="$SCSI_PROBE mptbase mptscsih" ;; esac case "$PROCPCI" in *[Aa][Dd][Vv][Aa][Nn][Cc][Ee][Dd]\ [Ss][Yy][Ss]*) SCSI_PROBE="$SCSI_PROBE advansys" ;; esac case "$PROCPCI" in *[Aa][Tt][Pp]8*|*[Aa][Ee][Cc]6*) SCSI_PROBE="$SCSI_PROBE atp870u" ;; esac case "$PROCPCI" in *[Dd][Tt][Cc]*) SCSI_PROBE="$SCSI_PROBE dtc" ;; esac case "$PROCPCI" in *[Ee][Aa][Tt][Aa]*) SCSI_PROBE="$SCSI_PROBE eata" ;; esac case "$PROCPCI" in *[Ff]*[Dd][Oo][Mm][Aa][Ii][Nn]*) SCSI_PROBE="$SCSI_PROBE fdomain" ;; esac case "$PROCPCI" in *[Gg][Dd][Tt]\ *) SCSI_PROBE="$SCSI_PROBE gdth" ;; esac case "$PROCPCI" in *[Mm][Ee][Gg][Aa][Rr][Aa][Ii][Dd]*) SCSI_PROBE="$SCSI_PROBE megaraid_mm megaraid_mbox" ;; esac case "$PROCPCI" in *[Qq][Ll][Oo][Gg][Ii][Cc]*) SCSI_PROBE="$SCSI_PROBE qlogicfas408 qlogicfas qlogicfc" ;; esac case "$PROCPCI" in *53[Cc]974*) SCSI_PROBE="$SCSI_PROBE tmscsim" ;; esac case "$PROCPCI" in *[Uu][Ll][Tt][Rr][Aa][Ss][Tt][Oo][Rr]*) SCSI_PROBE="$SCSI_PROBE ultrastor" ;; esac case "$PROCPCI" in *3[Ww][Aa][Rr][Ee]*) SCSI_PROBE="$SCSI_PROBE 3w-xxxx" ;; esac fi # New sysfs based SCSI detection (thanks, Jörg Schirottke) sysfsscsi(){ SYS=$(for x in $(find /sys/devices/ -name modalias); do grep pci: $x; done|cut -f2 -d:) while read id driver; do for sysid in $SYS; do case $sysid in $id) if [ -z "$SCSI_PROBE" ]; then SCSI_PROBE="$driver" else SCSI_PROBE="$SCSI_PROBE $driver" fi ;; esac done done </dev/null test -n "$MODULES" && loadmodules SCSI $MODULES && echo -n "" || echo " ${BLUE}[${NORMAL} none found ${BLUE}]${NORMAL} (try bootoption scsi=probe)" else log_warn_msg "Not scanning for SCSI devices as requested on commandline." && echo " $SUCCESS" fi if checkbootparam scsi ; then MODULE="$(getbootparam 'scsi' 2>/dev/null)" if test "$MODULE" = "probe" ; then log_begin_msg "Bootoption scsi=probe found. Trying to autoprobe SCSI modules:" echo "" echo -n " Trying to load scsi_debug: " ; $INSMOD /modules/scsi/scsi_debug.ko 1>/dev/null && echo " $SUCCESS" || echo " [ failed ]" for module in /modules/scsi/*.ko ; do echo -n " Probing ${WHITE}${module}${NORMAL}..." $INSMOD ${module} >/dev/null 2>&1 && echo " $SUCCESS" || echo " [ failed ]" done elif test "$MODULE" = "ask" ; then askmodules SCSI $(cd /modules/scsi; echo *.ko) test -z "$NOSCSI" && test -n "$MODULES" && loadmodules SCSI $MODULES else [ -n "$MODULE" ] || echo " ${RED}Neither a specific module nor option probe nor option ask for SCSI module given. Skipping.${NORMAL}" [ -n "$MODULE" ] && echo -n " Trying to load module ${WHITE}${MODULE}${NORMAL}:" ; \ $INSMOD "/modules/scsi/${MODULE}.ko" 1>/dev/null && echo " $SUCCESS" || echo " [ failed ]" fi fi # End of SCSI check if test -n "$VMWARE" ; then log_begin_msg "Bootoption VMware detected. Trying to load SCSI modules:" echo "" for module in mptbase mptscsih mptspi BusLogic ; do echo -n " Trying to load ${WHITE}${module}${NORMAL}: " $INSMOD /modules/scsi/${module}.ko >/dev/null 2>&1 && echo " $SUCCESS" || echo " [ failed ]" done fi # Check for USB, use modules on bootfloppy first if test -z "$NOUSB"; then log_begin_msg "Checking for USB." if test -f /modules/div/usbcore.ko; then $INSMOD /modules/div/usbcore.ko >/dev/null 2>&1 FOUNDUSB="" for i in $USB2 uhci-hcd.ko ohci-hcd.ko usbhid.ko ; do test -f /modules/div/$i && $INSMOD /modules/div/$i >/dev/null 2>&1 && FOUNDUSB="yes" done if test -n "$FOUNDUSB"; then test -f /modules/div/usb-storage.ko && $INSMOD /modules/div/usb-storage.ko >/dev/null 2>&1 echo " $SUCCESS" else echo " ${BLUE}[${NORMAL} not found ${BLUE}]${NORMAL}" true fi if [ -n "$NOUSB2" ] ; then echo " Not loading usb2 module ehci-hcd as requested on commandline." echo " Notice: to skip loading of USB in initrd at all use bootoption nousb" fi fi else log_warn_msg "Not scanning for USB devices as requested on commandline." && echo " $SUCCESS" echo " Notice that bootoption nousb affects initrd only, it does *not*" echo " avoid loading of usb modules in userspace afterwards" echo " Boot using something like 'nousb blacklist=uhci-hcd' to avoid loading of usb modules at all" fi # End of USB check # Check for Firewire, use modules on bootfloppy first if test -z "$NOFIREWIRE" ; then log_begin_msg "Checking for Firewire." if test -f /modules/div/ieee1394.ko ; then $INSMOD /modules/div/ieee1394.ko > /dev/null 2>&1 FOUNDFIREWIRE="" test -f /modules/div/ohci1394.ko && $INSMOD /modules/div/ohci1394.ko > /dev/null 2>&1 && FOUNDFIREWIRE="yes" if test -n "$FOUNDFIREWIRE" ; then test -f /modules/div/sbp2.ko && $INSMOD /modules/div/sbp2.ko > /dev/null 2>&1 echo " $SUCCESS" else echo " ${BLUE}[${NORMAL} not found ${BLUE}]${NORMAL}" true fi fi else log_warn_msg "Not scanning for firewire devices as requested on commandline." && echo " $SUCCESS" echo " Notice that bootoption nofirewire affects initrd only, it does *not*" echo " avoid loading of firewire modules in userspace afterwards" echo " Boot with something like 'nofirewire blacklist=ohci1394' to avoid loading of firewire modules at all" fi # End of FIREWIRE check # Unfortunately, hotpluggable devices tend to need some time in order to register if test -n "$FOUNDUSB" -o -n "$FOUNDFIREWIRE"; then log_begin_msg "Scanning for USB/Firewire devices." sleep 4 if test -n "$USB"; then sleep 10 fi echo " $SUCCESS" fi if checkbootparam scandelay ; then DELAY="$(getbootparam 'scandelay' 2>/dev/null)" [ -z $DELAY ] && DELAY='10' log_begin_msg "Delaying bootsequence as requested for ${WHITE}${DELAY}${NORMAL} seconds." sleep $DELAY && echo " $SUCCESS" fi # boot via pcmcia if checkbootparam bootpcmcia ; then log_begin_msg "Bootoption bootpcmcia found. Trying to load ${WHITE}PCMCIA${NORMAL} modules..." if $INSMOD /modules/div/pcmcia_core.ko 1>/dev/null ; then $INSMOD /modules/div/firmware_class.ko 1>/dev/null && \ $INSMOD /modules/div/pcmcia.ko 1>/dev/null && \ $INSMOD /modules/div/rsrc_nonstatic.ko 1>/dev/null && \ $INSMOD /modules/div/yenta_socket.ko 1>/dev/null && echo " $SUCCESS" else echo " [ failed ]" fi fi # Check for misc modules in expert mode if test -n "$INTERACTIVE" ; then another="" answer="" while test "$answer" != "n" -a "$answer" != "N" ; do echo -n "${CYAN}Do you want to load additional modules from$another floppy disk? [${WHITE}Y${CYAN}/n] ${NORMAL}" another=" another" read answer case "$answer" in n*|N*) break; ;; esac if mountmodules new ; then askmodules new $(cd /modules/scsi; echo *.ko) test -n "$MODULES" && loadmodules new $MODULES umountmodules current fi done fi # All interactively requested modules should be loaded now. # Check for ide-scsi supported CD-Roms et al. test -f /proc/scsi/scsi && FOUND_SCSI="yes" # Disable kernel messages again echo "0" > /proc/sys/kernel/printk # We now enable DMA right here, for faster reading/writing from/to IDE devices # in FROMHD or TORAM mode case "$CMDLINE" in *\ nodma*) ;; *) for d in $(cd /proc/ide 2>/dev/null && echo hd[a-z]); do if test -d /proc/ide/$d; then MODEL="$(cat /proc/ide/$d/model 2>/dev/null)" test -z "$MODEL" && MODEL="[GENERIC IDE DEVICE]" log_begin_msg "Enabling DMA acceleration for: ${MAGENTA}$d ${YELLOW}[${MODEL}]${NORMAL}" echo "using_dma:1" >/proc/ide/$d/settings && echo "" fi done ;; esac stage=2 rundebugshell if [ -n "$NFS" ]; then tmp_="$(getbootparam nfsdir)" log_begin_msg "Bootoption NFS found." ; echo "$SUCCESS" /static/cdir log_begin_msg "Trying to load network driver(s)." ; echo modLoad() { for mod in $@ ; do if [ -n "$DEBUG" ] ; then echo "Debug: trying to load $mod:" modprobe -v $mod else modprobe $mod 2>/dev/null fi done } # modules.alias and modules.dep are in place so USE IT :)! find /sys/devices/ -name modalias |/static/xargs -r /static/grep -h pci: |while read i; do modLoad "$i" done # loading additional modules modLoad sunrpc lockd af_packet nfs dhcp_iface_=$(getbootparam dhcp_iface) if [ -z "$dhcp_iface_" ]; then dhcp_iface_=`ifconfig -a | grep '^eth' | sed 's/ .*//'` fi # make sure we have a udhcpc executable, if it's not present # assume that busybox provides one if ! [ -x /static/udhcpc ] ; then ln -s /static/busybox /static/udhcpc fi for INTERFACE in $dhcp_iface_ ; do log_begin_msg "Requesting network configuration using udhcp for ${INTERFACE}:" ; echo /static/timeout 10 /static/udhcpc --interface="${INTERFACE}" --foreground --quit --script=/static/udhcp-config.sh # echo "press to start a system shell and configure your system" # sh done # recreate dir layout + remove extra modules /static/rdir log_begin_msg "Looking for GRML in: ${MAGENTA}$NFS${NORMAL}" ; echo "$SUCCESS" if mount -t nfs "$NFS" -o "async,ro,nolock" /cdrom #>/dev/null 2>&1 then if test -f /cdrom/$GRML_DIR/$GRML_NAME then log_begin_msg "Accessing grml CDROM at ${MAGENTA}$NFS${NORMAL}" ; echo "$SUCCESS" FOUND_GRML="$NFS" break fi fi fi # Now that the right SCSI driver is (hopefully) loaded, try to find CD-ROM if test -z $NFS ; then DEVICES="/dev/hd?" test -n "$FOUND_SCSI" -a -z "$NOCD" && DEVICES="/dev/scd? /dev/scd?? $DEVICES" # New: Also try parallel port CD-Roms [for Mike]. DEVICES="$DEVICES /dev/pcd?" # New: also check HD partitions for a GRML/GRML image # notice: use /dev/sd? for usb-sticks without partition(s) test -n "$FOUND_SCSI" -a -z "$NOSCSI" && DEVICES="$DEVICES /dev/sd?[1-9] /dev/sd?[1-9][0-9] /dev/sd?" DEVICES="$DEVICES /dev/hd?[1-9] /dev/hd?[1-9][0-9]" case "$CMDLINE" in *fromhd=/dev/*) DEVICES="$fromhd"; ;; esac for i in $DEVICES do log_begin_msg "${CRE} ${GREEN}*${NORMAL} Looking for CD-ROM in: ${MAGENTA}$i${NORMAL}" if mountit $i /cdrom "-o ro" >/dev/null 2>&1 then echo " $SUCCESS" if test -f /cdrom/$GRML_DIR/$GRML_NAME then log_begin_msg "Accessing grml CD-ROM at: ${MAGENTA}$i${NORMAL}" ; echo " $SUCCESS" FOUND_GRML="$i" break fi umount /cdrom fi done fi # Harddisk-installed script part version has been removed # (GRML can be booted directly from HD now). mount_grml() { if test -n "$FOUND_GRML" -a -f $1/$GRML_DIR/$GRML_NAME; then # echo "6" > /proc/sys/kernel/printk mount -t squashfs $1/$GRML_DIR/$GRML_NAME /GRML -o loop,ro$SECURE || FOUND_GRML="" fi } remount_grml() { if test -f $TARGET/$GRML_DIR/$GRML_NAME; then umount /GRML # unmount it umount $SOURCE # unmount CD [ -n "$SOURCE2" ] && umount $SOURCE2 # umount possible loop-device mount_grml $TARGET else log_failure_msg "Warning: Changing to $TARGET failed." return 1 fi return 0 } boot_from() { # preparations /bin/mkdir $TARGET SOURCE_DEV=$(echo $CMDLINE | /usr/bin/tr ' ' '\n' | /bin/sed -n '/bootfrom=/s/.*=//p' | /usr/bin/tail -1) LOOP_DEV=$(echo $SOURCE_DEV | /usr/bin/gawk -F/ '{ print $1 "/" $2 "/" $3 }') ISO_PATH=$(echo $SOURCE_DEV | /bin/sed "s|$LOOP_DEV||g" ) case "$ISO_PATH" in /*.[iI][sS][oO]) ;; *) ISO_PATH="" ;; esac LOOP_SOURCE="" # load filesystems /GRML/sbin/modprobe fuse /GRML/sbin/modprobe ntfs $INSMOD /modules/div/ntfs.ko 1>/dev/null if [ -n "$ISO_PATH" ]; then LOOP_SOURCE="$TARGET.loop" LOOP_SOURCE2="$LOOP_SOURCE" TARGET_DEV="$LOOP_SOURCE$ISO_PATH" /bin/mkdir $LOOP_SOURCE /bin/mount -o ro $LOOP_DEV $LOOP_SOURCE || LOOP_SOURCE="" /bin/mount -n -o loop $LOOP_SOURCE2$ISO_PATH $TARGET else TARGET_DEV="$SOURCE_DEV" /bin/mount -n -o ro $SOURCE_DEV $TARGET fi if [ $? -ne 0 ]; then [ -n "$LOOP_SOURCE" ] && /bin/umount $LOOP_SOURCE log_failure_msg "Accessing grml CD-ROM failed. ${MAGENTA}$TARGET_DEV${NORMAL} is not mountable." sleep 2 return 1 fi if [ -f $TARGET/$GRML_DIR/$GRML_NAME ]; then log_begin_msg "Accessing grml CD-ROM at ${MAGENTA}$TARGET_DEV${NORMAL}." ; echo " $SUCCESS" else log_failure_msg "Accessing grml CD-ROM failed. Could not find $GRML_DIR/$GRML_NAME on ${MAGENTA}$TARGET_DEV${RED}.${NORMAL}" [ -n "$LOOP_SOURCE" ] && /bin/umount $LOOP_SOURCE umount $TARGET sleep 2 return 1 fi # remount the CD remount_grml } copy_to() { # preparations /bin/mkdir $TARGET COPY="$SOURCE/$GRML_DIR" # look if we copy to hd or to ram SIZE="$(/usr/bin/du -s $COPY | /usr/bin/gawk '{print int($1*1.1)}')" test -n "$SIZE" || SIZE="800000" case "$1" in ram) TARGET_DEV="/dev/shm" TARGET_DEV_DESC="ramdisk" FOUNDSPACE="$(/usr/bin/gawk '/MemTotal/{print $2}' /proc/meminfo)" /bin/mount -n -t tmpfs -o size=${SIZE}k $TARGET_DEV $TARGET ;; hd) TARGET_DEV=$(echo $CMDLINE | /usr/bin/tr ' ' '\n' | /bin/sed -n '/tohd=/s/.*=//p' | /usr/bin/tail -1) TARGET_DEV_DESC="$TARGET_DEV" # load filesystems /GRML/sbin/modprobe fuse /GRML/sbin/modprobe ntfs FS="ext3 ext2 reiserfs reiser4 vfat ntfs" MOUNTED="" for i in $FS; do if /GRML/bin/mount -o rw -t "$i" "$TARGET_DEV" "$TARGET"; then MOUNTED="true" break fi done if test -z "$MOUNTED"; then log_failure_msg "Copying grml CD-ROM failed. ${MAGENTA}$TARGET_DEV_DESC${NORMAL} is not mountable." sleep 2 return 1 fi # check for enough free space USED_SPACE=0 [ -f $TARGET/$GRML_DIR/$GRML_NAME ] && USED_SPACE=$(/usr/bin/du -s $TARGET/$GRML_DIR/$GRML_NAME | /usr/bin/gawk '{ print $1 }') FOUNDSPACE="$(/bin/df -k $TARGET | /usr/bin/tail -1 | /usr/bin/gawk '{ print $4+int('$USED_SPACE') }')" ;; *) return 1 ;; esac # sanity check if [ $FOUNDSPACE -lt $SIZE ] then log_failure_msg "Copying grml CD-ROM failed. Not enough free space on ${MAGENTA}${TARGET_DEV_DESC}${NORMAL}. Found: ${MAGENTA}${FOUNDSPACE}k${NORMAL} Need: ${MAGENTA}${SIZE}k${NORMAL}" sleep 2 umount $TARGET return 1 fi # do the real copy log_begin_msg "Copying grml CD-ROM to ${TARGET_DEV_DESC}... Please be patient." echo if [ -z "$use_cp" -a -x /usr/bin/rsync ] then # first cp the small files /usr/bin/rsync -a --exclude="$GRML_DIR/$GRML_NAME" $COPY $TARGET # Copy grml to $TARGET # then the big file with nice progress meter [ -f $TARGET/$GRML_DIR/$GRML_NAME ] && /bin/rm -f $TARGET/$GRML_DIR/$GRML_NAME /usr/bin/rsync -a --progress --include="$GRML_DIR/$GRML_NAME" --include="$GRML_DIR/" --exclude="*" $COPY $TARGET # Copy grml to $TARGET #/usr/bin/rsync -avP $COPY $TARGET # Copy grml to $TARGET # make sure to support directories from http://grml.org/config/ for dir in scripts bootparams config debs ; do if [ -d "/cdrom/$dir" ] ; then log_begin_msg "Customization directory $dir found, copying to $TARGET" cp -a /cdrom/$dir $TARGET/ && echo "$SUCCESS" || echo "$FAILED" fi done else /bin/cp -a -f $COPY $TARGET # Copy grml to $TARGET fi if [ $? -ne 0 ] then log_failure_msg "Copying grml CD-ROM failed. ${MAGENTA}$TARGET_DEV_DESC${NORMAL} possibly has not enough space left." sleep 2 return 1 fi # remount r/o /bin/mount -n -o remount,ro $TARGET 1>/dev/null 2>&1 remount_grml } mount_grml /cdrom COPYTO="" BOOTFROM="" DO_REMOUNT="" REAL_TARGET="" UNIONFS="" case "$CMDLINE" in *toram*) DO_REMOUNT="yes"; COPYTO="ram"; ;; esac case "$CMDLINE" in *tohd=*) DO_REMOUNT="yes"; COPYTO="hd"; ;; esac case "$CMDLINE" in *bootfrom=*) DO_REMOUNT="yes"; BOOTFROM="yes" ;; esac # Remount later after copying/isoloading/driverloading? # pre-test if everything succeeded if test -n "$DO_REMOUNT" -a -n "$FOUND_GRML" ; then # copy library cache cat /GRML/etc/ld.so.cache > /etc/ld.so.cache echo "" SOURCE="/cdrom" TARGET="/cdrom2" # first copy_to, then boot_from if [ -n "$COPYTO" ]; then copy_to $COPYTO && REAL_TARGET="$TARGET" fi if [ -n "$BOOTFROM" ]; then boot_from if [ "$?" -eq "0" ]; then # set new source / target paths REAL_TARGET="$TARGET" SOURCE2="$LOOP_SOURCE" SOURCE="/cdrom2" TARGET="/cdrom3" fi fi fi # Final test if everything succeeded. if test -n "$FOUND_GRML" ; then # copy library cache cat /GRML/etc/ld.so.cache > /etc/ld.so.cache UNIONFS="" if checkbootparam "unionfs" ; then $INSMOD /modules/unionfs.ko 1>/dev/null grep -q unionfs /proc/filesystems && UNIONFS=yes unionfs='unionfs' UNIONFS_FILETYPE='unionfs' AUFS='' else $INSMOD /modules/aufs.ko 1>/dev/null grep -q aufs /proc/filesystems && UNIONFS=yes unionfs='unionfs (using aufs)' UNIONFS_FILETYPE='aufs' AUFS='yes' fi # Set paths log_begin_msg "Setting paths" PATH="/sbin:/bin:/usr/sbin:/usr/bin:/usr/X11R6/bin:." export PATH # Make space: We don't need the modules anymore from here. /GRML/bin/rm -rf /modules # Debian weirdness /GRML/bin/cp -a /GRML/etc/alternatives /etc/ 2>/dev/null # Replace /sbin /GRML/bin/rm -f /sbin /GRML/bin/ln -sf /GRML/sbin /sbin # From here, we should have all essential commands available. hash -r # Did we remount the source media? if test -n "$REAL_TARGET"; then /bin/mount -n --move $REAL_TARGET /cdrom # move it back and go on to normal boot fi # Clean up /etc/mtab (and - just in case - make a nice entry for looped ISO) egrep " /GRML | /cdrom " /proc/mounts 2>/dev/null | sed 's|/dev/loop0 /cdrom \(.*\) 0 0|'$LOOP_SOURCE$ISO_PATH' /cdrom/ \1,loop=/dev/loop0 0 0|g' >> /etc/mtab # Clean up / /GRML/bin/rm -rf /modules /static echo " $SUCCESS" # New in Kernel 2.4.x: tempfs with variable ramdisk size. # We check for available memory anyways and limit the ramdisks # to a reasonable size. FOUNDMEM="$(awk '/MemTotal/{print $2}' /proc/meminfo)" TOTALMEM="$(awk 'BEGIN{m=0};/MemFree|Cached/{m+=$2};END{print m}' /proc/meminfo)" # Be verbose if [ -n "$FOUNDMEM" ] ; then log_begin_msg "Total memory found: $FOUNDMEM kB" ; echo " $SUCCESS" else log_failure_msg "Could not fetch memory information." ; echo " $FAILED" fi # Now we need to use a little intuition for finding a ramdisk size # that keeps us from running out of space, but still doesn't crash the # machine due to lack of Ram # Minimum size of additional ram partitions MINSIZE=20000 # At least this much memory minus 30% should remain when home and var are full. MINLEFT=16000 # Maximum ramdisk size [ -n "$TOTALMEM" ] && MAXSIZE="$(/usr/bin/expr $TOTALMEM - $MINLEFT)" # Default ramdisk size for ramdisk [ -n "$TOTALMEM" ] && RAMSIZE="$(/usr/bin/expr $TOTALMEM / 5)" # Create additional dynamic ramdisk. test -z "$RAMSIZE" -o "$RAMSIZE" -lt "$MINSIZE" && RAMSIZE="$MINSIZE" mkdir -p /ramdisk # tmpfs/varsize version, can use swap RAMSIZE=$(/usr/bin/expr $RAMSIZE \* 4) log_begin_msg "Creating /ramdisk (dynamic size=${RAMSIZE}k) on shared memory" # We need /bin/mount here for the -o size= option /bin/mount -t tmpfs -o "size=${RAMSIZE}k" /ramdisk /ramdisk && echo "$SUCCESS" mkdir -p /ramdisk/tmp /ramdisk/home/grml && chmod 1777 /ramdisk/tmp && chown grml.grml /ramdisk/home/grml && ln -snf /ramdisk/home /home && /bin/mv /tmp /tmp.old && ln -s /ramdisk/tmp /tmp && rm -rf /tmp.old stage=3 rundebugshell # unionfs log_begin_msg "Creating $unionfs and symlinks on ramdisk" mkdir -p /UNIONFS if test -n "$UNIONFS" && /bin/mount -t $UNIONFS_FILETYPE -o noatime${SECURE},dirs=/ramdisk=rw:/GRML=ro /UNIONFS /UNIONFS ; then # check architecture if [ -f /GRML/lib/ld-linux.so.2 ] ; then LDLINUX=/GRML/lib/ld-linux.so.2 GRMLLIB=/GRML/lib elif [ -f /GRML/lib64/ld-linux-x86-64.so.2 ] ; then LDLINUX=/GRML/lib64/ld-linux-x86-64.so.2 EMUL='emul' LIB64='lib64' GRMLLIB=/GRML/lib64 fi # We now have unionfs, copy some data from the initial ramdisk first cp -a /etc/fstab /etc/auto.mnt /etc/filesystems /etc/mtab /UNIONFS/etc/ # disable resolvconf on the terminalserver client if [ -n "$NFS" ] ; then rm /UNIONFS/etc/resolv.conf cp -a /etc/resolv.conf /UNIONFS/etc echo REPORT_ABSENT_SYMLINK=no >> /UNIONFS/etc/default/resolvconf fi for i in bin boot etc sbin var opt root usr $EMUL $LIB64 lib ; do # Move directories to unionfs if test -d /$i; then /bin/mv /$i /$i.old && \ # /GRML/lib/ld-linux.so.2 --library-path /GRML/lib /GRML/bin/ln -snf /UNIONFS/$i /$i && \ $LDLINUX --library-path $GRMLLIB /GRML/bin/ln -snf /UNIONFS/$i /$i 1>/dev/null 2>/dev/null rm -rf /$i.old else ln -snf /UNIONFS/$i /$i fi done [ -n "$AUFS" ] && echo " $SUCCESS" || echo " $SUCCESS" log_begin_msg "Merging read-only system with read-writeable /ramdisk." for i in $(cd /UNIONFS; echo *); do # Create links for new stuff on /UNIONFS test "$i" = "home" -o "$i" = "tmp" && continue test -L "/$i" || test -d "/$i" || test -f "/$i" || ln -snf "/UNIONFS/$i" /$i done && echo " $SUCCESS" || echo " $FAILED" else echo "" log_failure_msg "ERROR: CANNOT UNITE READ-ONLY MEDIA AND INITIAL RAMDISK!" echo "$FAILED" sleep 2 echo "Can not continue booting, dropping you to a busybox shell." stage=4 rundebugshell fi chown grml.grml /home/grml # old: # chmod 1777 /var/tmp # new: rm -rf /var/tmp/ ; mkdir /var/tmp ; chown root.root /var/tmp ; chmod 1777 /var/tmp # Create empty utmp and wtmp :> /var/run/utmp :> /var/run/wtmp # Make SURE that these are files, not links! rm -rf /etc/ftpusers /etc/passwd /etc/shadow /etc/group \ /etc/ppp /etc/isdn /etc/ssh /etc/ioctl.save \ /etc/inittab /etc/network /etc/sudoers \ /etc/init /etc/localtime /etc/dhcpc /etc/pnm2ppa.conf 2>/dev/null cp -a /GRML/etc/ftpusers /GRML/etc/passwd /GRML/etc/shadow /GRML/etc/group \ /GRML/etc/ppp /GRML/etc/isdn /GRML/etc/ssh \ /GRML/etc/inittab /GRML/etc/network /GRML/etc/sudoers \ /GRML/sbin/init /GRML/etc/dhcpc /etc/ 2>/dev/null # Extremely important, init crashes on shutdown if this is only a link :> /etc/ioctl.save :> /etc/pnm2ppa.conf # Must exist for samba to work [ -d /var/lib/samba ] && :> /var/lib/samba/unexpected.tdb # Diet libc bug workaround # cp -f /GRML/etc/localtime /etc/localtime # echo "${BLUE}Done.${NORMAL}" # Now tell kernel where the real modprobe lives echo "/sbin/modprobe" > /proc/sys/kernel/modprobe # Change root device from /dev/fd0 to /dev/ram0 echo "0x100" > /proc/sys/kernel/real-root-dev /bin/umount /sys # (remount in grml-autoconfig) stage=4 rundebugshell # Give control to the init process. log_begin_msg "Starting init process. " [ -r /mountit ] && rm -f /mountit rm -f /linuxrc exit 0 else log_failure_msg "Error: Can't find grml filesystem, sorry." echo " Are you booting via USB or firewire? ==================================== Try to boot with bootparam scandelay which delays the bootup sequence so modules should have enough time to initialize devices. Usage examples on bootprompt of grml-iso: grml scandelay -> adds the default delay of 10 seconds grml scandelay=13 -> adds a delay of 13 seconds Are you booting via SCSI? ==================================== Use the bootparam scsi. Usage examples on bootprompt of grml-iso: grml scsi=probe -> autoprobing of scsi modules grml scsi=ask -> list modules and prompt for module which should be loaded grml scsi=modulename -> loads specified module (without .ko extension) expert -> activate expert mode, similar to scsi=ask Are you getting SquashFS/zlib errors? ===================================== Try to boot with \"grml nodma\" Still problems? =============== Make sure the ISO itself is ok. Check the md5sum of downloaded ISO. Used a CD-RW? Make sure the medium is ok! Please report any problems you notice to the grml-team! http://grml.org/contact/ " echo "${RED}Now dropping you to the busybox shell.${NORMAL}" echo "${RED}Press reset button to quit.${NORMAL}" echo "" PS1="grml# " export PS1 echo "6" > /proc/sys/kernel/printk # Allow signals trap 1 2 3 15 exec /static/sh fi # EOF