domenico/openwrt-R7800-nss
1
0
Fork 0
Code Issues Pull Requests Actions Packages Projects Releases Wiki Activity

scripts: fix missing character '0' issue in linksys image

Browse Source 
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>
This commit is contained in:
Shiji Yang
2022-10-29 22:06:24 +08:00
committed by Hauke Mehrtens
parent 50f727b773
commit e6769d11f3
1 changed files with 2 additions and 2 deletions
Download Patch File Download Diff File Expand all files Collapse all files

4
scripts/linksys-image.sh
View File

@@ -14,7 +14,7 @@
# <VERSION> The version number of upgrade. Not checked so use arbitrary value (8 bytes)
# <TYPE> Model of target device, padded (0x20) to (15 bytes)
# <CRC> CRC checksum of the image to flash (8 byte)
# <padding> Padding (0x20) (7 bytes)
# <padding> Padding ('0' + 0x20 *7) (8 bytes)
# <signature> Signature of signer. Not checked so use arbitrary value (16 bytes)
# <padding> Padding (0x00) (192 bytes)
# 0x0A (1 byte)
@@ -58,7 +58,7 @@ IMG_OUT="${IMG_IN}.new"
dd if="${IMG_IN}" of="${IMG_TMP_OUT}"
CRC=$(printf "%08X" $(dd if="${IMG_IN}" bs=$(stat -c%s "${IMG_IN}") count=1|cksum| cut -d ' ' -f1))
printf ".LINKSYS.01000409%-15s%-8s%-7s%-16s" "${TYPE}" "${CRC}" "" "K0000000F0246434" >> "${IMG_TMP_OUT}"
printf ".LINKSYS.01000409%-15s%-8s%-8s%-16s" "${TYPE}" "${CRC}" "0" "K0000000F0246434" >> "${IMG_TMP_OUT}"
dd if=/dev/zero bs=1 count=192 conv=notrunc >> "${IMG_TMP_OUT}"