8174853c78
Verify ucert signature chains in sysupgrade images in case ucert is installed and $CHECK_IMAGE_SIGNARURE = 1. Also make sure ucert host binary is present and generate a self-signed ucert in case $TOPDIR/key-build.ucert is missing. Signed-off-by: Daniel Golle <daniel@makrotopia.org>
64 lines
1.4 KiB
Bash
64 lines
1.4 KiB
Bash
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 -t -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
|
|
|
|
ucert -V -m "$1" -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
|
|
}
|