hak5
/
openwrt-owl
mirror of https://github.com/hak5/openwrt-owl.git
1
0
Fork 0
Code Issues Packages Projects Releases Wiki Activity

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>

SVN-Revision: 49140
John Crispin 2016-04-09 10:25:42 +00:00
parent 7f25cb45db
commit 8583cbe26a
1 changed files with 4 additions and 0 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

4
scripts/om-fwupgradecfg-gen.sh
View File

@ -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