101 lines
3.1 KiB
Plaintext
101 lines
3.1 KiB
Plaintext
#/bin/sh
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DISK="/dev/mmcblk0"
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BOOT_SIZE=268435456
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ROOT_SIZE=1073741824
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REPARTITION=0
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RELABEL=0
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function start_sshd() {
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echo "Starting ssh daemon.<br />" 1>&2
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mount -o remount,rw /bootfs
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echo -n "rmupdate" > /bootfs/recoveryfs-sshpwd
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mount -o remount,ro /bootfs
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/etc/init.d/S50sshd start
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}
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function repartition() {
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echo "Checking for rootfs2 on $DISK.<br />" 1>&2
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if blkid ${DISK}p3 | grep 'LABEL="rootfs2"' 1>/dev/null 2>/dev/null; then
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echo "Rootfs2 found.<br />" 1>&2
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cp /bootfs/VERSION /tmp/bootfs.VERSION
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umount /bootfs
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umount /rootfs
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echo "Current partition table:<br />" 1>&2
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parted $DISK unit B print | sed ':a;N;$!ba;s#\n#<br />#g' 1>&2
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boot_start=$(parted $DISK unit B print | grep '^ 1' | sed -n 's/ [1-4] *\([0-9]*\)B *\([0-9]*\)B.*/\1/p')
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user_start=$(parted $DISK unit B print | grep '^ 4' | sed -n 's/ [1-4] *\([0-9]*\)B *\([0-9]*\)B.*/\1/p')
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user_end=$(parted $DISK unit B print | grep '^ 4' | sed -n 's/ [1-4] *\([0-9]*\)B *\([0-9]*\)B.*/\2/p')
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boot_end=$(($boot_start+$BOOT_SIZE-1))
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root_start=$(($boot_end+1))
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root_end=$(($root_start+$ROOT_SIZE-1))
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boot_start_s=$((${boot_start}/512))
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boot_size_s=$(((${boot_end}-${boot_start}+1)/512))
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root_start_s=$((${root_start}/512))
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root_size_s=$(((${root_end}-${root_start}+1)/512))
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user_start_s=$((${user_start}/512))
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user_size_s=$(((${user_end}-${user_start}+1)/512))
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echo "Calculated new partition layout:<br />" 1>&2
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echo " bootfs: $boot_start ($boot_start_s) - $boot_end - $boot_size_s<br />" 1>&2
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echo " rootfs: $root_start ($root_start_s) - $root_end - $root_size_s<br />" 1>&2
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echo " userfs: $user_start ($user_start_s) - $user_end - $user_size_s<br />" 1>&2
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echo "Writing new partition table to disk.<br />" 1>&2
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# parted will refuse to write partition table because partitions are mounted
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#parted --script $DISK \
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# mklabel msdos \
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# mkpart primary fat32 ${boot_start}B ${boot_end}B \
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# set 1 boot on \
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# mkpart primary ext4 ${root_start}B ${root_end}B \
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# mkpart primary ext4 ${user_start}B ${user_end}B
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{
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echo "$boot_start_s,$boot_size_s,0x0C,*"
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echo "$root_start_s,$root_size_s,0x83"
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echo "$user_start_s,$user_size_s,0x83"
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,0
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} | sfdisk --no-reread --force --wipe=always --label=dos $DISK 2>&1 | sed ':a;N;$!ba;s#\n#<br />#g' 1>&2
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# Use dd to write label id
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printf "\xef\xbe\xed\xde" | dd of=$DISK bs=1 count=4 seek=440
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#echo "New partition table:<br />" 1>&2
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#parted $DISK unit B print | sed ':a;N;$!ba;s#\n#<br />#g' 1>&2
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partprobe
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# RaspberryMatic will check for label rootfs and VERSION file
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mkfs.ext4 -L rootfs ${DISK}p2
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mount ${DISK}p2 /rootfs
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cp /tmp/bootfs.VERSION /rootfs/VERSION
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umount /rootfs
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fi
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}
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function relabel() {
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user=$(readlink -f /dev/disk/by-label/userfs)
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user0=$(readlink -f /dev/disk/by-label/0userfs)
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tune2fs -L 0userfs $user
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tune2fs -L userfs $user0
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}
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echo "Deleting update_script.<br />" 1>&2
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mount -o remount,rw /userfs
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rm -f "$0"
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mount -o remount,ro /userfs
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start_sshd
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[ "$RELABEL" = "1" ] && relabel
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[ "$REPARTITION" = "1" ] && repartition
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echo "Running fwinstall.sh (again).<br />" 1>&2
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rm -f /tmp/.runningFirmwareUpdate
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fwinstall.sh
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