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ar71xx: reject TP-Link images containing a bootloader

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The original TP-Link firmware images can be flashed via
the sysupgrade command, however those may contain a
bootloader. Flashing such an image via sysupgrade
bricks the board, and it can't be recovered without
a serial console.

Signed-off-by: Gabor Juhos <juhosg@openwrt.org>

git-svn-id: svn://svn.openwrt.org/openwrt/trunk@33944 3c298f89-4303-0410-b956-a3cf2f4a3e73
This commit is contained in:
juhosg 2012-10-26 18:58:13 +00:00
parent 6be2a2971e
commit bc21e5bca2
1 changed files with 12 additions and 0 deletions
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12
target/linux/ar71xx/base-files/lib/upgrade/platform.sh
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@ -65,6 +65,10 @@ tplink_get_image_hwid() {
get_image "$@" | dd bs=4 count=1 skip=16 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
}
tplink_get_image_boot_size() {
get_image "$@" | dd bs=4 count=1 skip=37 2>/dev/null | hexdump -v -n 4 -e '1/1 "%02x"'
}
platform_check_image() {
local board=$(ar71xx_board_name)
local magic="$(get_magic_word "$1")"
@ -174,6 +178,14 @@ platform_check_image() {
return 1
}
local boot_size
boot_size=$(tplink_get_image_boot_size "$1")
[ "$boot_size" != "00000000" ] && {
echo "Invalid image, it contains a bootloader."
return 1
}
return 0
;;
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