diff options
Diffstat (limited to 'target/linux/brcm2708')
| -rw-r--r-- | target/linux/brcm2708/base-files/lib/upgrade/platform.sh | 16 |
1 files changed, 15 insertions, 1 deletions
diff --git a/target/linux/brcm2708/base-files/lib/upgrade/platform.sh b/target/linux/brcm2708/base-files/lib/upgrade/platform.sh index 1d4b694574..2f2aeb098e 100644 --- a/target/linux/brcm2708/base-files/lib/upgrade/platform.sh +++ b/target/linux/brcm2708/base-files/lib/upgrade/platform.sh @@ -1,5 +1,19 @@ +get_magic_at() { + local file="$1" + local pos="$2" + get_image "$file" | dd bs=1 count=2 skip="$pos" 2>/dev/null | hexdump -v -n 2 -e '1/1 "%02x"' +} + platform_check_image() { - # i know no way to verify the image + local file="$1" + local magic + + magic=$(get_magic_at "$file" 510) + [ "$magic" != "55aa" ] && { + echo "Failed to verify MBR boot signature." + return 1 + } + return 0; } |