From c3e9796cd5473ddb6548532d5069934ca73d3641 Mon Sep 17 00:00:00 2001
From: =?UTF-8?q?Rafa=C5=82=20Mi=C5=82ecki?= <zajec5@gmail.com>
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 <zajec5@gmail.com>
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
--
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