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-rw-r--r--target/linux/brcm47xx/base-files/lib/upgrade/platform.sh17
1 files changed, 16 insertions, 1 deletions
diff --git a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
index 1cb11b5475..0a09da51a4 100644
--- a/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
+++ b/target/linux/brcm47xx/base-files/lib/upgrade/platform.sh
@@ -34,6 +34,7 @@ platform_check_image() {
[ "$#" -gt 1 ] && return 1
local file_type=$(brcm47xx_identify "$1")
+ local magic
case "$file_type" in
"chk")
@@ -41,12 +42,26 @@ platform_check_image() {
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 $board_id"
+
+ magic=$(get_magic_long_at "$1" "$header_len")
+ [ "$magic" != "48445230" ] && {
+ echo "No valid TRX firmware in the CHK image"
+ return 1
+ }
+
echo "Flashing CHK images in unsupported. Please use only .trx files."
return 1
;;
"cybertan")
- local magic=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
+ magic=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"')
echo "Found CyberTAN image with device magic: $magic"
+
+ magic=$(get_magic_long_at "$1" 32)
+ [ "$magic" != "48445230" ] && {
+ echo "No valid TRX firmware in the CyberTAN image"
+ return 1
+ }
+
echo "Flashing CyberTAN images in unsupported. Please use only .trx files."
return 1
;;