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- From: Sven Eckelmann <sven.eckelmann@open-mesh.com>
- Date: Sat, 9 Apr 2016 10:25:42 +0000
- Subject: scripts/om-fwupgradecfg-gen.sh: Generate sha256sum for uboot verification
- Future Open Mesh u-boot versions are changing the check of the image files
- (vmlinux, rootfs) from md5 to sha256. Having both in them should be enough
- to ensure backward and forward compatibility.
- Signed-off-by: Sven Eckelmann <sven.eckelmann@open-mesh.com>
- Backport of r49140
- Forwarded: https://patchwork.ozlabs.org/patch/624190/
- diff --git a/scripts/om-fwupgradecfg-gen.sh b/scripts/om-fwupgradecfg-gen.sh
- index fab1582..e208e6d 100644
- --- a/scripts/om-fwupgradecfg-gen.sh
- +++ b/scripts/om-fwupgradecfg-gen.sh
- @@ -42,6 +42,7 @@ CHECK_BS=65536
-
- KERNEL_SIZE=$(stat -c%s "$KERNEL_PATH")
- KERNEL_MD5=$(md5=$(md5sum $KERNEL_PATH); echo ${md5%% *})
- +KERNEL_SHA256=$(openssl dgst -sha256 $KERNEL_PATH | awk '{print $2}')
- KERNEL_PART_SIZE=$(size=$(($KERNEL_SIZE / $FLASH_BS)); [ $(($size * $FLASH_BS)) -lt $KERNEL_SIZE ] && size=$(($size + 1)); echo $(($size * $FLASH_BS / 1024)))
-
- ROOTFS_FLASH_ADDR=$(addr=$(($KERNEL_FLASH_ADDR + ($KERNEL_PART_SIZE * 1024))); printf "0x%x" $addr)
- @@ -49,6 +50,7 @@ ROOTFS_SIZE=$(stat -c%s "$ROOTFS_PATH")
- ROOTFS_CHECK_BLOCKS=$((($ROOTFS_SIZE / $CHECK_BS) - $MD5_SKIP_BLOCKS))
- ROOTFS_MD5=$(md5=$(dd if=$ROOTFS_PATH bs=$CHECK_BS count=$ROOTFS_CHECK_BLOCKS 2>&- | md5sum); echo ${md5%% *})
- ROOTFS_MD5_FULL=$(md5=$(md5sum $ROOTFS_PATH); echo ${md5%% *})
- +ROOTFS_SHA256_FULL=$(openssl dgst -sha256 $ROOTFS_PATH | awk '{print $2}')
- ROOTFS_CHECK_SIZE=$(printf '0x%x' $(($ROOTFS_CHECK_BLOCKS * $CHECK_BS)))
- ROOTFS_PART_SIZE=$(($MAX_PART_SIZE - $KERNEL_PART_SIZE))
-
- @@ -57,6 +59,7 @@ cat << EOF > $CFG_OUT
- filename=kernel
- md5sum=$KERNEL_MD5
- filemd5sum=$KERNEL_MD5
- +filesha256sum=$KERNEL_SHA256
- flashaddr=$KERNEL_FLASH_ADDR
- checksize=0x0
- cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; saveenv
- @@ -66,6 +69,7 @@ cmd_fail=reset
- filename=rootfs
- md5sum=$ROOTFS_MD5
- filemd5sum=$ROOTFS_MD5_FULL
- +filesha256sum=$ROOTFS_SHA256_FULL
- flashaddr=$ROOTFS_FLASH_ADDR
- checksize=$ROOTFS_CHECK_SIZE
- cmd_success=setenv bootseq 1,2; setenv kernel_size_1 $KERNEL_PART_SIZE; setenv rootfs_size_1 $ROOTFS_PART_SIZE; saveenv
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