From c3e9796cd5473ddb6548532d5069934ca73d3641 Mon Sep 17 00:00:00 2001 From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= Date: Mon, 15 Dec 2014 11:09:14 +0000 Subject: [PATCH] brcm47xx: extract magics from specific upgrade images (and still reject them) MIME-Version: 1.0 Content-Type: text/plain; charset=UTF-8 Content-Transfer-Encoding: 8bit Signed-off-by: Rafał Miłecki SVN-Revision: 43718 --- .../base-files/lib/upgrade/platform.sh | 18 +++++++++++++++++- 1 file changed, 17 insertions(+), 1 deletion(-) diff --git a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh index 412d6daaff..1cb11b5475 100644 --- a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh +++ b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh @@ -36,7 +36,23 @@ platform_check_image() { local file_type=$(brcm47xx_identify "$1") case "$file_type" in - "trx") return 0;; + "chk") + local header_len=$((0x$(get_magic_long_at "$1" 4))) + local board_id_len=$(($header_len - 40)) + local board_id=$(dd if="$1" skip=40 bs=1 count=$board_id_len 2>/dev/null | hexdump -v -e '1/1 "%c"') + echo "Found CHK image with device board_id $board_id" + echo "Flashing CHK images in unsupported. Please use only .trx files." + return 1 + ;; + "cybertan") + local magic=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"') + echo "Found CyberTAN image with device magic: $magic" + echo "Flashing CyberTAN images in unsupported. Please use only .trx files." + return 1 + ;; + "trx") + return 0 + ;; *) echo "Invalid image type. Please use only .trx files" return 1