From c6bcf8d1d844cb5375b4115d63e83c537908a6c1 Mon Sep 17 00:00:00 2001 From: Gabor Juhos Date: Mon, 5 Dec 2011 18:11:51 +0000 Subject: [PATCH] ar71xx: verify hardware id of firmware images on TP-Link boards SVN-Revision: 29455 --- target/linux/ar71xx/base-files/lib/ar71xx.sh | 10 ++++++++++ .../ar71xx/base-files/lib/upgrade/platform.sh | 16 ++++++++++++++++ 2 files changed, 26 insertions(+) diff --git a/target/linux/ar71xx/base-files/lib/ar71xx.sh b/target/linux/ar71xx/base-files/lib/ar71xx.sh index bb6ceb7066..ca0799d1bf 100755 --- a/target/linux/ar71xx/base-files/lib/ar71xx.sh +++ b/target/linux/ar71xx/base-files/lib/ar71xx.sh @@ -48,6 +48,16 @@ wndr3700_board_detect() { AR71XX_MODEL="$machine" } +tplink_get_hwid() { + local part + local hwid + + part=$(find_mtd_part firmware) + [ -z "$part" ] && return 1 + + dd if=$part bs=4 count=1 skip=16 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"' +} + ar71xx_board_detect() { local machine local name diff --git a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh index 8b69bc59a6..d2780a50a1 100755 --- a/target/linux/ar71xx/base-files/lib/upgrade/platform.sh +++ b/target/linux/ar71xx/base-files/lib/upgrade/platform.sh @@ -61,6 +61,10 @@ platform_do_upgrade_combined() { fi } +tplink_get_image_hwid() { + get_image "$@" | dd bs=4 count=1 skip=16 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"' +} + platform_check_image() { local board=$(ar71xx_board_name) local magic="$(get_magic_word "$1")" @@ -125,6 +129,18 @@ platform_check_image() { echo "Invalid image type." return 1 } + + local hwid + local imageid + + hwid=$(tplink_get_hwid) + imageid=$(tplink_get_image_hwid "$1") + + [ "$hwid" != "$imageid" ] && { + echo "Invalid image, hardware ID mismatch, hw:$hwid image:$imageid." + return 1 + } + return 0 ;; wndr3700) -- 2.25.1