diff options
Diffstat (limited to 'target/linux/bcm53xx')
| -rw-r--r-- | target/linux/bcm53xx/base-files/lib/upgrade/platform.sh | 31 |
1 files changed, 29 insertions, 2 deletions
diff --git a/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh b/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh index 3d911d1246..17456b6cda 100644 --- a/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh +++ b/target/linux/bcm53xx/base-files/lib/upgrade/platform.sh @@ -6,6 +6,10 @@ get_magic_long_at() { dd if="$1" skip=$2 bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%02x"' } +platform_machine() { + cat /proc/device-tree/compatible | tr '\0' '\t' | cut -f 1 +} + platform_flash_type() { # On NAND devices "rootfs" is UBI volume, so won't be find in /proc/mtd grep -q "\"rootfs\"" /proc/mtd && { @@ -16,6 +20,16 @@ platform_flash_type() { echo "nand" } +platform_expected_image() { + local machine=$(platform_machine) + + case "$machine" in + "netgear,r6250v1") echo "chk U12H245T00_NETGEAR"; return;; + "netgear,r6300v2") echo "chk U12H240T00_NETGEAR"; return;; + "netgear,r8000") echo "chk U12H315T00_NETGEAR"; return;; + esac +} + platform_identify() { local magic @@ -49,14 +63,21 @@ platform_check_image() { } local file_type=$(platform_identify "$1") + local magic case "$file_type" in "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"') + local dev_board_id=$(platform_expected_image) echo "Found CHK image with device board_id $board_id" + [ -n "$dev_board_id" -a "chk $board_id" != "$dev_board_id" ] && { + echo "Firmware board_id doesn't match device board_id ($dev_board_id)" + return 1 + } + magic=$(get_magic_long_at "$1" "$header_len") [ "$magic" != "48445230" ] && { echo "No valid TRX firmware in the CHK image" @@ -66,8 +87,14 @@ platform_check_image() { return 0 ;; "cybertan") - local magic=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"') - echo "Found CyberTAN image with device magic: $magic" + local pattern=$(dd if="$1" bs=1 count=4 2>/dev/null | hexdump -v -e '1/1 "%c"') + local dev_pattern=$(platform_expected_image) + echo "Found CyberTAN image with device pattern: $pattern" + + [ -n "$dev_pattern" -a "cybertan $pattern" != "$dev_pattern" ] && { + echo "Firmware pattern doesn't match device pattern ($dev_pattern)" + return 1 + } magic=$(get_magic_long_at "$1" 32) [ "$magic" != "48445230" ] && { |