[1436] | 1 | #!/bin/sh
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| 2 | #
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| 3 | # Make USB key to save/restore HW configuration on a ProLiant DL 680 G7
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| 4 | #
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| 5 | #set -x
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| 6 | #
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| 7 | # Usage: ./mkusbkey.sh <device>
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| 8 | #
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| 9 | # <device> usually points to a USB pendrive (i.e. /dev/sdb) but it can also
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| 10 | # be a /dev/loop* device attached to a standard file
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| 11 | # $ dd if=/dev/zero of=/tmp/usbdev.img bs=1M count=400
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| 12 | # $ losetup -vf /tmp/usbdev.img
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| 13 | #
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| 14 | # Will associate usbdev.img to /dev/loop0 in most cases
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| 15 | # $ ./mkusbkey.sh /dev/loop0
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| 16 | #
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| 17 | # will create the bootable USB in usbdev.img file which can be dd'ed on a
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| 18 | # USB pendrive
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| 19 |
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| 20 | # Partition size in MB that will be created on the device
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| 21 | [ -f '@sysconfdir@/setupkey.conf' ] && . '@sysconfdir@/setupkey.conf'
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| 22 |
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| 23 | [ -z "$PARTITION_SIZE" ] && PARTITION_SIZE=400
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| 24 |
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| 25 | if [ ! -f "$DATA/ext3fs.img" ]; then
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| 26 | echo "Cannot find the ext3fs.img file system image"
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| 27 | echo "Please run 'rpmbootstrap.sh' script before running $0"
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| 28 | exit 1
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| 29 | fi
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| 30 |
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| 31 | if [ ! -f "$DATA/initramfs.img" ]; then
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| 32 | echo "Cannot find the initramfs.img initial RAM disk image."
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| 33 | echo "Please run 'rpmbootstrap.sh' script before running $0"
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| 34 | exit 1
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| 35 | fi
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| 36 |
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| 37 | if [ ! -f "$DATA/vmlinuz" ]; then
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| 38 | echo "Cannot find the boot kernel."
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| 39 | echo "Please run 'rpmbootstrap.sh' script before running $0"
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| 40 | exit 1
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| 41 | fi
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| 42 |
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| 43 | MBR=/usr/share/syslinux/mbr.bin
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| 44 |
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| 45 | if [ ! -f "$MBR" ]; then
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| 46 | echo "Outch! Cannot find $MBR. That should not happen!"
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| 47 | echo "Check 'syslinux' is installed, find where the 'mbr.bin' file is located and update the \$MBR variable in $0 accordingly."
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| 48 | exit 2
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| 49 | fi
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| 50 |
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| 51 | sync
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| 52 | DRIVE=$1
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| 53 | [ -z $DRIVE ] && echo "Usage: $0 device." && exit -1
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| 54 | [ ! -b $DRIVE ] && echo "$1 is not a block device. Exiting." && exit -1
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| 55 | KPARTX=`which kpartx`
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| 56 | [ $? -ne 0 ] && echo "kpartx is missing. exiting" && exit -1
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| 57 | SYSLINUX=`which syslinux`
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| 58 | [ $? -ne 0 ] && echo "syslinux is missing. exiting" && exit -1
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| 59 |
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| 60 |
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| 61 | [[ $DRIVE == /dev/sda* ]] && echo "For security, the script does not work on /dev/sda* devices" && exit -1
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| 62 |
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| 63 | [[ `cat /proc/mounts | grep $DRIVE` != "" ]] && echo "$DRIVE is mounted. Exit now." && exit -1
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| 64 |
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| 65 | # Wipe the partition table.
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| 66 | dd if=/dev/zero of=$DRIVE bs=4096 count=1 > /dev/null 2>&1
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| 67 | [ $? -ne 0 ] && echo "WARNING: Unable to erase MBR on $DRIVE."
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| 68 | sync
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| 69 |
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| 70 | # Create partition
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| 71 | echo "Creating the partition on $DRIVE"
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| 72 | sfdisk -uM -q $DRIVE 2>/dev/null << EOF
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| 73 | 0,$PARTITION_SIZE,b,*
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| 74 | EOF
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| 75 | sync
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| 76 | [ $? -ne 0 ] && echo "Unable to partition the key $DRIVE. Exiting" && exit -1
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| 77 | sfdisk -q -R $DRIVE 2>/dev/null
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| 78 |
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| 79 | sync
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| 80 | if [ ! "${DRIVE##/dev/loop*}" = "$DRIVE" ]; then
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| 81 | echo "Loopback device detected. Special handling required"
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| 82 | $KPARTX -d $DRIVE
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| 83 | $KPARTX -a $DRIVE
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| 84 | PART="/dev/mapper/${DRIVE#/dev/}p1"
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| 85 | else
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| 86 | PART=${DRIVE}1
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| 87 | fi
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| 88 |
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| 89 | echo "Creating the master boot record on $DRIVE"
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| 90 | dd if=$MBR of=$DRIVE > /dev/null 2>&1
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| 91 | [ $? -ne 0 ] && echo "Unable to copy MBR on $DRIVE. Please check the key. Exiting" && exit -1
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| 92 |
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| 93 | # FAT32 filesystem labeled 'LiveUSB'
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| 94 | sync
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| 95 | echo "Creating FAT filesystem on $PART"
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| 96 | mkfs.vfat -n LiveUSB $PART > /dev/null
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| 97 | [ $? -ne 0 ] && echo "Unable to format the partition $PART as VFAT. Exiting" && exit -1
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| 98 | sync
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| 99 |
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| 100 | TMPDIR=`mktemp -d /tmp/mkusb.XXXX`
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| 101 | if [ ! -d "$TMPDIR" ]; then
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| 102 | echo "$TMPDIR is not a directory. Exiting"
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| 103 | exit -1
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| 104 | else
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| 105 | if [[ "$TMPDIR" == "/" ]]; then
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| 106 | echo "$TMPDIR is /. Exiting"
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| 107 | exit -1
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| 108 | fi
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| 109 | fi
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| 110 |
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| 111 | ret=0
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| 112 | mount $PART $TMPDIR
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| 113 | if [ $? -ne 0 ] ; then
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| 114 | echo "Unable to mount $PART under $TMPDIR. Exiting"
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| 115 | ret=1
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| 116 | else
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| 117 | # The SQUASHFS containing the EXT3 filesystem with the
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| 118 | # minimum OS and the SSTK tools
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| 119 | SQUASHFS=$(mktemp -d /tmp/squashfs.XXXX)
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| 120 | mkdir $SQUASHFS/LiveOS
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| 121 | dd if=$DATA/ext3fs.img of=$SQUASHFS/LiveOS/ext3fs.img > /dev/null 2>&1
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| 122 | [ $? -ne 0 ] && echo "Unable to copy the squashfs FS. Exiting" && exit -1
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| 123 | mkdir $TMPDIR/syslinux $TMPDIR/LiveOS $TMPDIR/data_files $TMPDIR/config $TMPDIR/fw_files $TMPDIR/log
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| 124 |
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| 125 | echo "Copying system files..."
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| 126 | $SYSLINUX -i -d syslinux $PART
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| 127 | if [ $? -ne 0 ]; then
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| 128 | echo "Unable to syslinux $PART. Exiting"
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| 129 | ret=1
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| 130 | else
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| 131 | echo $VERSION > $TMPDIR/.version
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| 132 | cp $DATA/vmlinuz $DATA/initramfs.img $DATA/syslinux.cfg $TMPDIR/syslinux
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| 133 | cp $DATA/fw_files/* $TMPDIR/fw_files
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| 134 | cp $DATA/data_files/* $TMPDIR/data_files
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| 135 | cp $DATA/config/* $TMPDIR/config
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| 136 | mksquashfs $SQUASHFS $TMPDIR/LiveOS/squashfs.img
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| 137 | if [ $? -ne 0 ]; then
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| 138 | echo "Unable to recreate the squash FS $SQUASHFS. Exiting"
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| 139 | ret=1
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| 140 | fi
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| 141 | fi
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| 142 | rm -rf $SQUASHFS
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| 143 | fi
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| 144 | if [ $ret -eq 1 ]; then
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| 145 | umount $TMPDIR
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| 146 | exit $ret
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| 147 | fi
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| 148 |
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| 149 | echo "Done"
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| 150 |
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| 151 | echo "Unmounting file system. It may take some time to flush the buffers..."
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| 152 | umount $TMPDIR
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| 153 |
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| 154 | sync
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| 155 |
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| 156 | if [ ! "${PART##/dev/mapper/*}" = "$PART" ]; then
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| 157 | echo "Releasing loopback device"
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| 158 | $KPARTX -d $DRIVE
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| 159 | fi
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| 160 |
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| 161 | rm -rf $TMPDIR
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| 162 |
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| 163 | exit 0
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