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#!/bin/bash
dofile=/var/volatile/do_flash_upgrade
if [ $# != 1 ]; then
echo "Usage: $0 upgrade.bin"
exit 1
fi
set -e
upgrade=$1
mkdir -p /var/volatile
cd /var/volatile
# make sure firmware is for this device
hw_version=$(cat /sys/devices/platform/mts-io/hw-version)
firmware_model=$(tar -xO -f $upgrade model)
shopt -s nocasematch
if [[ ! "$hw_version" =~ ^$firmware_model- ]]; then
logger -s -t firmware_upgrade "Wrong firmware for this hardware"
logger -s -t firmware_upgrade "hw version: $hw_version"
logger -s -t firmware_upgrade "firmware model: $firmware_model"
exit 1
fi
files=(bstrap.bin uboot.bin uImage.bin config.jffs2 oem.jffs2 rootfs.jffs2 install.sh)
tobeflashed=0
# verify all MD5 sums
for (( i = 0; i < ${#files[@]}; i++ )); do
file=${files[i]}
# if the file is in the tar, md5sum it
if tar -t -f $upgrade | grep -F -q "$file"; then
logger -s -t firmware_upgrade "Checking MD5 for $file..."
if ! tar -x -f $upgrade $file.md5; then
logger -s -t firmware_upgrade "MD5 is not found for the $file, upgrade aborted"
exit 1
fi
if ! tar -xO -f $upgrade $file | md5sum -c $file.md5; then
logger -s -t firmware_upgrade "MD5 check failed, upgrade aborted"
exit 1
fi
tobeflashed=1
fi
done
if (( $tobeflashed )); then
mkdir -p /var/volatile/flash-upgrade
mv -f $upgrade /var/volatile/flash-upgrade/upgrade.bin
touch "${dofile}"
chown "root:root" "${dofile}" || true
uid=$(stat -c %u "${dofile}") || true
result=$?
if ((result != 0)) ; then
logger -s -t firmware_upgrade "Cannot create ${dofile}"
exit 1
fi
if ((uid != 0)) ; then
logger -s -t firmware_upgrade "Cannot set ownership of ${dofile} to root"
exit 1
fi
logger -s -t firmware_upgrade "Rebooting"
sleep 1
reboot
exit 0
else
logger -s -t firmware_upgrade "Nothing to be flashed!"
exit 1
fi
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