75 lines
1.8 KiB
Bash
Executable file
75 lines
1.8 KiB
Bash
Executable file
#!/bin/bash
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# global definitions:
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RED='\033[0;31m'
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NC='\033[0m'
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# files needed
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FILES="sw-description sw-description.sig boot-resource uboot boot0 kernel rootfs dsp0 cpio_item_md5"
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# check the required tools
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TOOL_LIST=("md5sum" "openssl" "sha256sum" "mksquashfs")
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i=0
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part_num=${#TOOL_LIST[*]}
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while [ $i -lt $((part_num)) ]; do
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echo "Checking tool: ${TOOL_LIST[$i]}"
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t=$(which "${TOOL_LIST[$i]}")
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if [ -z "$t" ]; then
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echo -e "${RED}ERROR: Missing tool '${TOOL_LIST[$i]}' ${NC}"
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exit 1
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fi
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i=$(($i + 1))
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done
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# remove the last created update
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rm -rf update
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mkdir update
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# pack the squashfs-root folder
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cd unpacked || exit 2
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rm -rf rootfs
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mksquashfs squashfs-root rootfs -comp xz -all-root
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# check the input files
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for i in $FILES; do
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if [ "$i" != "cpio_item_md5" ] && [ ! -f "$i" ]; then
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echo -e "${RED}ERROR: Cannot find the input file '$i' ${NC}"
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cd ..
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exit 3
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fi
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done
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# update sw-description
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rm -f cpio_item_md5
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for i in $FILES; do
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if [ "$i" != "cpio_item_md5" ] && [ "$i" != "sw-description" ]; then
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hash_new=$(sha256sum "$i" | awk '{print $1}')
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hash_old=$(awk -F= 'BEGIN{v=""} $1~"filename"{v=$2} $1~"sha256"{gsub(/"| |;/,"",v); gsub(/"| |;/,"",$2); print v " " $2}' sw-description | grep "$i" | head -1 | awk '{print $2}')
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sed -i -e "s/$hash_old/$hash_new/g" sw-description
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fi
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done
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# create cpio_item_md5
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rm -f cpio_item_md5
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for i in $FILES; do
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if [ "$i" != "cpio_item_md5" ]; then
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hash=$(md5sum "$i")
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echo "$hash" >>cpio_item_md5
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fi
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done
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# sign the file sw-description
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rm -f sw-description.sig
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openssl dgst -sha256 -sign ../RESOURCES/KEYS/swupdate_private.pem sw-description >sw-description.sig
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# pack the input files as update.swu
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for i in $FILES; do echo "$i"; done | cpio -ov -H crc >../update/update.swu
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cd ..
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echo ""
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echo "SUCCESS: Use the file update/update.swu to do USB update"
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echo ""
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echo "DONE!"
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exit 0
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