#!/usr/bin/env python # # Copyright (c) 2016, The OpenThread Authors. # All rights reserved. # # Redistribution and use in source and binary forms, with or without # modification, are permitted provided that the following conditions are met: # 1. Redistributions of source code must retain the above copyright # notice, this list of conditions and the following disclaimer. # 2. Redistributions in binary form must reproduce the above copyright # notice, this list of conditions and the following disclaimer in the # documentation and/or other materials provided with the distribution. # 3. Neither the name of the copyright holder nor the # names of its contributors may be used to endorse or promote products # derived from this software without specific prior written permission. # # THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS "AS IS" # AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE # IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE # ARE DISCLAIMED. IN NO EVENT SHALL THE COPYRIGHT HOLDER OR CONTRIBUTORS BE # LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR # CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF # SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS # INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN # CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) # ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE # POSSIBILITY OF SUCH DAMAGE. # import io import unittest from common import MacAddress, MacAddressType import mac802154 longaddrs = bytearray([0x61, 0xcc, 0x00, 0xce, 0xfa]) shortaddrs = bytearray([0x61, 0x88, 0x00, 0xce, 0xfa]) longshortaddrs = bytearray([0x61, 0xc8, 0x00, 0xce, 0xfa]) shortlongaddrs = bytearray([0x61, 0x8c, 0x00, 0xce, 0xfa]) class TestMacParser(unittest.TestCase): def test_should_parse_ack_frame(self): frame = mac802154.MacFrame() frame.parse(io.BytesIO(bytearray([0x12, 0x00, 0x12, 0x34, 0x56]))) self.assertEqual(mac802154.MacHeader.FrameType.ACK, frame.header.frame_type) self.assertEqual(True, frame.header.frame_pending) self.assertEqual(False, frame.header.ack_request) self.assertEqual(0, frame.header.frame_version) self.assertEqual(0x12, frame.header.seq) self.assertEqual(bytearray([0x34, 0x56]), frame.header.fcs) self.assertEqual(None, frame.payload) def test_should_parse_data_frame_with_short_addresses(self): frame = mac802154.MacFrame() frame.parse(io.BytesIO(bytearray([0x61, 0x88, 0x34, 0xce, 0xfa, 0xad, 0xde, 0xef, 0xbe, 0x12, 0x34, 0xfe, 0xdc]))) self.assertEqual(mac802154.MacHeader.FrameType.DATA, frame.header.frame_type) self.assertEqual(False, frame.header.frame_pending) self.assertEqual(True, frame.header.ack_request) self.assertEqual(0, frame.header.frame_version) self.assertEqual(0x34, frame.header.seq) self.assertEqual(bytearray([0xfe, 0xdc]), frame.header.fcs) self.assertEqual(0xface, frame.header.dest_pan_id) self.assertEqual(0xdead, frame.header.dest_address.rloc) self.assertEqual(0xface, frame.header.src_pan_id) self.assertEqual(0xbeef, frame.header.src_address.rloc) self.assertEqual(bytearray([0x12, 0x34]), frame.payload.data) def test_should_parse_data_frame_with_extended_addresses(self): frame = mac802154.MacFrame() frame.parse(io.BytesIO(bytearray([0x61, 0xcc, 0x56, 0xce, 0xfa, 0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef, 0x0b, 0xad, 0xf0, 0x0d, 0xba, 0xd0, 0xd0, 0x0d, 0x12, 0x34, 0xfe, 0xdc]))) self.assertEqual(mac802154.MacHeader.FrameType.DATA, frame.header.frame_type) self.assertEqual(False, frame.header.frame_pending) self.assertEqual(True, frame.header.ack_request) self.assertEqual(0, frame.header.frame_version) self.assertEqual(0x56, frame.header.seq) self.assertEqual(bytearray([0xfe, 0xdc]), frame.header.fcs) self.assertEqual(0xface, frame.header.dest_pan_id) self.assertEqual(bytearray(reversed([0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef])), frame.header.dest_address.mac_address) self.assertEqual(0xface, frame.header.src_pan_id) self.assertEqual(bytearray(reversed([0x0b, 0xad, 0xf0, 0x0d, 0xba, 0xd0, 0xd0, 0x0d])), frame.header.src_address.mac_address) self.assertEqual(bytearray([0x12, 0x34]), frame.payload.data) def test_should_parse_data_frame_with_short_and_extended_addresses(self): frame = mac802154.MacFrame() frame.parse(io.BytesIO(bytearray([0x61, 0xc8, 0x56, 0xce, 0xfa, 0xad, 0xde, 0x0b, 0xad, 0xf0, 0x0d, 0xba, 0xd0, 0xd0, 0x0d, 0x12, 0x34, 0xfe, 0xdc]))) self.assertEqual(mac802154.MacHeader.FrameType.DATA, frame.header.frame_type) self.assertEqual(False, frame.header.frame_pending) self.assertEqual(True, frame.header.ack_request) self.assertEqual(0, frame.header.frame_version) self.assertEqual(0x56, frame.header.seq) self.assertEqual(bytearray([0xfe, 0xdc]), frame.header.fcs) self.assertEqual(0xface, frame.header.dest_pan_id) self.assertEqual(0xdead, frame.header.dest_address.rloc) self.assertEqual(0xface, frame.header.src_pan_id) self.assertEqual(bytearray(reversed([0x0b, 0xad, 0xf0, 0x0d, 0xba, 0xd0, 0xd0, 0x0d])), frame.header.src_address.mac_address) self.assertEqual(bytearray([0x12, 0x34]), frame.payload.data) def test_should_parse_data_frame_with_extended_and_short_addresses(self): frame = mac802154.MacFrame() frame.parse(io.BytesIO(bytearray([0x61, 0x8c, 0x56, 0xce, 0xfa, 0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef, 0x0d, 0xf0, 0x12, 0x34, 0xfe, 0xdc]))) self.assertEqual(mac802154.MacHeader.FrameType.DATA, frame.header.frame_type) self.assertEqual(False, frame.header.frame_pending) self.assertEqual(True, frame.header.ack_request) self.assertEqual(0, frame.header.frame_version) self.assertEqual(0x56, frame.header.seq) self.assertEqual(bytearray([0xfe, 0xdc]), frame.header.fcs) self.assertEqual(0xface, frame.header.dest_pan_id) self.assertEqual(bytearray(reversed([0xde, 0xad, 0xbe, 0xef, 0xde, 0xad, 0xbe, 0xef])), frame.header.dest_address.mac_address) self.assertEqual(0xface, frame.header.src_pan_id) self.assertEqual(0xf00d, frame.header.src_address.rloc) self.assertEqual(bytearray([0x12, 0x34]), frame.payload.data) def test_should_parse_data_request_command(self): frame = mac802154.MacFrame() frame.parse(io.BytesIO(bytearray([0x63, 0x88, 0x78, 0xce, 0xfa, 0xad, 0xde, 0x0d, 0xf0, 0x04, 0xfe, 0xdc]))) self.assertEqual(mac802154.MacHeader.FrameType.COMMAND, frame.header.frame_type) self.assertEqual(False, frame.header.frame_pending) self.assertEqual(True, frame.header.ack_request) self.assertEqual(0, frame.header.frame_version) self.assertEqual(0x78, frame.header.seq) self.assertEqual(bytearray([0xfe, 0xdc]), frame.header.fcs) self.assertEqual(0xface, frame.header.dest_pan_id) self.assertEqual(0xdead, frame.header.dest_address.rloc) self.assertEqual(0xface, frame.header.src_pan_id) self.assertEqual(0xf00d, frame.header.src_address.rloc) self.assertEqual(bytearray([]), frame.payload.data) def test_should_decrypt_data_frame(self): mac802154.DeviceDescriptors.add(0x2001, MacAddress(bytearray([0x16, 0x6e, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x07]), MacAddressType.LONG)) frame = mac802154.MacFrame() frame.parse(io.BytesIO(bytearray([0x69, 0x98, 0x68, # FC, seq 0xce, 0xfa, # Pan Id 0x00, 0x20, # Dst addr 0x01, 0x20, # Src addr 0x0d, 0x00, 0x00, 0x00, 0x00, 0x01, # Aux Security Header 0xb5, 0x5a, 0x0d, 0x8e, 0x18, 0x5c, 0xb1, 0x06, # Payload 0xc4, 0x6f, 0x7d, 0x6b, 0xb5, 0x4a, 0x87, 0x14, 0xae, 0xdd, 0x8e, 0xb7, 0x37, 0x62, 0x27, 0x48, 0xc9, 0x53, 0x0c, 0x44, 0x31, 0x59, 0x8b, 0xa2, 0x83, 0x59, 0xa1, 0x43, 0x74, 0xe0, 0x2a, 0xf6, # MIC (valid) 0x99, 0xfc]))) # FCS (valid) self.assertEqual(mac802154.MacHeader.FrameType.DATA, frame.header.frame_type) self.assertEqual(False, frame.header.frame_pending) self.assertEqual(True, frame.header.ack_request) self.assertEqual(1, frame.header.frame_version) self.assertEqual(0x68, frame.header.seq) self.assertEqual(bytearray([0x99, 0xfc]), frame.header.fcs) self.assertEqual(0xface, frame.header.dest_pan_id) self.assertEqual(0x2000, frame.header.dest_address.rloc) self.assertEqual(0xface, frame.header.src_pan_id) self.assertEqual(0x2001, frame.header.src_address.rloc) self.assertEqual(0, frame.header.aux_sec_header.frame_counter) self.assertEqual(5, frame.header.aux_sec_header.security_level) self.assertEqual(bytes(bytearray([0x7c, 0x77, 0x80, 0xf0, 0x4d, 0x4d, 0x4d, 0x4d, 0xe0, 0x04, 0x44, 0x02, 0x44, 0x66, 0x13, 0x5f, 0x22, 0x80, 0xb1, 0x61, 0x02, 0x61, 0x73, 0x11, 0x2a, 0xff, 0x01, 0x08, 0x16, 0x6e, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x07])), frame.payload.data) def test_should_decrypt_command_frame(self): frame = mac802154.MacFrame() frame.parse(io.BytesIO(bytearray([0x6b, 0xdc, 0xce, 0xce, 0xfa, 0x02, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x6e, 0x16, 0x03, 0x00, 0x00, 0x00, 0x00, 0x0a, 0x6e, 0x16, 0x0d, 0x00, 0x00, 0x00, 0x00, 0x01, 0x04, 0x2d, 0xbc, 0x12, 0xbe, 0x0a, 0x4f]))) self.assertEqual(mac802154.MacHeader.FrameType.COMMAND, frame.header.frame_type) self.assertEqual(False, frame.header.frame_pending) self.assertEqual(True, frame.header.ack_request) self.assertEqual(1, frame.header.frame_version) self.assertEqual(206, frame.header.seq) self.assertEqual(bytearray([0x0a, 0x4f]), frame.header.fcs) self.assertEqual(0xface, frame.header.dest_pan_id) self.assertEqual(bytearray([0x16, 0x6e, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x02]), frame.header.dest_address.mac_address) self.assertEqual(0xface, frame.header.src_pan_id) self.assertEqual(bytearray([0x16, 0x6e, 0x0a, 0x00, 0x00, 0x00, 0x00, 0x03]), frame.header.src_address.mac_address) self.assertEqual(0, frame.header.aux_sec_header.frame_counter) self.assertEqual(5, frame.header.aux_sec_header.security_level) if __name__ == "__main__": unittest.main()