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scripts: fix missing character '0' issue in linksys image
In the stock firmware of Linksys, there is a '0' after the crc checksum.
Validated on EA6350V3, EA7300 and EA7300V2's stock images.
Fixes: 892d741259
build: add a script for generating Linksys factory images
Signed-off-by: Shiji Yang <yangshiji66@qq.com>
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@ -14,7 +14,7 @@
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# <VERSION> The version number of upgrade. Not checked so use arbitrary value (8 bytes)
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# <TYPE> Model of target device, padded (0x20) to (15 bytes)
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# <CRC> CRC checksum of the image to flash (8 byte)
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# <padding> Padding (0x20) (7 bytes)
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# <padding> Padding ('0' + 0x20 *7) (8 bytes)
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# <signature> Signature of signer. Not checked so use arbitrary value (16 bytes)
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# <padding> Padding (0x00) (192 bytes)
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# 0x0A (1 byte)
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@ -58,7 +58,7 @@ IMG_OUT="${IMG_IN}.new"
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dd if="${IMG_IN}" of="${IMG_TMP_OUT}"
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CRC=$(printf "%08X" $(dd if="${IMG_IN}" bs=$(stat -c%s "${IMG_IN}") count=1|cksum| cut -d ' ' -f1))
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printf ".LINKSYS.01000409%-15s%-8s%-7s%-16s" "${TYPE}" "${CRC}" "" "K0000000F0246434" >> "${IMG_TMP_OUT}"
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printf ".LINKSYS.01000409%-15s%-8s%-8s%-16s" "${TYPE}" "${CRC}" "0" "K0000000F0246434" >> "${IMG_TMP_OUT}"
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dd if=/dev/zero bs=1 count=192 conv=notrunc >> "${IMG_TMP_OUT}"
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