openwrt/package/base-files/files/lib/upgrade/fwtool.sh
Felix Fietkau b044b52ab9 base-files: fix ucert verification
ucert needs to check the firmware part with metadata, but without the signature.
Use the new fwtool mode to extract that without altering the firmware image inside
the check

Signed-off-by: Felix Fietkau <nbd@nbd.name>
2019-02-12 16:42:03 +01:00

66 lines
1.4 KiB
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fwtool_check_signature() {
[ $# -gt 1 ] && return 1
[ ! -x /usr/bin/ucert ] && {
if [ "$REQUIRE_IMAGE_SIGNATURE" = 1 ]; then
return 1
else
return 0
fi
}
if ! fwtool -q -s /tmp/sysupgrade.ucert "$1"; then
echo "Image signature not found"
[ "$REQUIRE_IMAGE_SIGNATURE" = 1 -a "$FORCE" != 1 ] && {
echo "Use sysupgrade -F to override this check when downgrading or flashing to vendor firmware"
}
[ "$REQUIRE_IMAGE_SIGNATURE" = 1 ] && return 1
return 0
fi
fwtool -q -T -s /dev/null "$1" | \
ucert -V -m - -c "/tmp/sysupgrade.ucert" -P /etc/opkg/keys
return $?
}
fwtool_check_image() {
[ $# -gt 1 ] && return 1
. /usr/share/libubox/jshn.sh
if ! fwtool -q -i /tmp/sysupgrade.meta "$1"; then
echo "Image metadata not found"
[ "$REQUIRE_IMAGE_METADATA" = 1 -a "$FORCE" != 1 ] && {
echo "Use sysupgrade -F to override this check when downgrading or flashing to vendor firmware"
}
[ "$REQUIRE_IMAGE_METADATA" = 1 ] && return 1
return 0
fi
json_load "$(cat /tmp/sysupgrade.meta)" || {
echo "Invalid image metadata"
return 1
}
device="$(cat /tmp/sysinfo/board_name)"
json_select supported_devices || return 1
json_get_keys dev_keys
for k in $dev_keys; do
json_get_var dev "$k"
[ "$dev" = "$device" ] && return 0
done
echo "Device $device not supported by this image"
echo -n "Supported devices:"
for k in $dev_keys; do
json_get_var dev "$k"
echo -n " $dev"
done
echo
return 1
}