387 lines
11 KiB
C
387 lines
11 KiB
C
/*
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* Copyright (c) 2016, Yasuyuki Tanaka
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* All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* 3. Neither the name of the copyright holder nor the names of its
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* contributors may be used to endorse or promote products derived
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* from this software without specific prior written permission.
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*
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* THIS SOFTWARE IS PROVIDED BY THE COPYRIGHT HOLDERS AND CONTRIBUTORS
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* ``AS IS'' AND ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT
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* LIMITED TO, THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS
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* FOR A PARTICULAR PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE
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* COPYRIGHT HOLDER OR CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES
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* (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR
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* SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
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* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
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* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
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* OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "contiki.h"
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#include "unit-test/unit-test.h"
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#include "net/linkaddr.h"
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#include "net/mac/tsch/tsch.h"
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#include "net/mac/tsch/tsch-asn.h"
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#include "net/mac/tsch/tsch-packet.h"
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#include "net/mac/tsch/tsch-schedule.h"
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#include <stdio.h>
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#include <string.h>
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#ifndef TEST_CONFIG_TYPE
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#define TEST_CONFIG_TYPE DEFAULT
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#endif
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typedef enum { SUCCESS, FAILURE } result_t;
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typedef enum { DEFAULT = 0, SECURITY_ON, ALL_ENABLED } config_type_t;
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typedef struct {
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size_t len;
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uint8_t buf[TSCH_PACKET_MAX_LEN];
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} frame_t;
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#define NODE1 {{ 0xc1, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01 }}
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#define NODE2 {{ 0xc1, 0x0c, 0x00, 0x00, 0x00, 0x00, 0x00, 0x02 }}
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/*
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* The following vectors are obtained with the former
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* examples/ipv6/rpl-tsch/rpl-tsch-z1.csc except for the enhanced beacon for
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* ALL_ENABLED. The raw frame was generated with rpl-tsch-cooja.csc because
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* there is an issue in TSCH Timeslot IE generated by z1 mote.
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*/
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typedef struct {
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linkaddr_t src;
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uint64_t asn;
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uint8_t hdr_len;
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frame_t frame;
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} eb_test_vector_t;
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static const eb_test_vector_t eb_test_vectors[] = {
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{ /* DEFAULT */
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NODE1, 7, 18,
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{ 37, { 0x00, 0xeb, 0xcd, 0xab, 0xff, 0xff, 0xcd, 0xab,
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0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0xc1,
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0x00, 0x3f, 0x11, 0x88, 0x06, 0x1a, 0x07, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x01, 0x1c, 0x00, 0x01,
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0xc8, 0x00, 0x01, 0x1b, 0x00 }
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}
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},
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{ /* SECURITY_ON */
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NODE1, 2, 20,
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{ 43, { 0x08, 0xeb, 0xcd, 0xab, 0xff, 0xff, 0xcd, 0xab,
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0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0xc1,
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0x69, 0x01, 0x00, 0x3f, 0x11, 0x88, 0x06, 0x1a,
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0x02, 0x00, 0x00, 0x00, 0x00, 0x00, 0x01, 0x1c,
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0x00, 0x01, 0xc8, 0x00, 0x01, 0x1b, 0x00, 0x7d,
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0x3e, 0x39, 0x9a, 0x6f, 0x7b }
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}
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},
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{ /* ALL_ENABLED */
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NODE1, 12, 18,
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{ 85, { 0x00, 0xeb, 0xcd, 0xab, 0xff, 0xff, 0xcd, 0xab,
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0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x0c, 0xc1,
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0x00, 0x3f, 0x41, 0x88, 0x06, 0x1a, 0x0c, 0x00,
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0x00, 0x00, 0x00, 0x00, 0x19, 0x1c, 0x01, 0x08,
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0x07, 0x80, 0x00, 0x48, 0x08, 0xfc, 0x03, 0x20,
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0x03, 0xe8, 0x03, 0x98, 0x08, 0x90, 0x01, 0xc0,
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0x00, 0x60, 0x09, 0xa0, 0x10, 0x10, 0x27, 0x10,
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0xc8, 0x01, 0x00, 0x00, 0x00, 0x00, 0x00, 0x00,
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0x00, 0x04, 0x00, 0x0f, 0x19, 0x1a, 0x14, 0x00,
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0x00, 0x0a, 0x1b, 0x01, 0x00, 0x07, 0x00, 0x01,
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0x00, 0x00, 0x00, 0x00, 0x0f }
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}
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}
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};
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typedef struct {
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linkaddr_t src;
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linkaddr_t dest;
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uint64_t asn; // used only for the SECURITY_ON case
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uint8_t seqno;
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uint16_t drift;
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uint8_t nack;
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frame_t frame;
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} eack_test_vector_t;
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static const eack_test_vector_t eack_test_vectors[] = {
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{ /* DEFAULT */
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NODE1, NODE2, 0, 1, 214, 0,
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{ 17, { 0x02, 0x2e, 0x01, 0xcd, 0xab, 0x02, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x0c, 0xc1, 0x02, 0x0f, 0xd6,
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0x00 }
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}
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},
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{ /* SECURITY_ON */
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NODE1, NODE2, 108, 1, 214, 0,
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{ 23, { 0x0a, 0x2e, 0x01, 0xcd, 0xab, 0x02, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x0c, 0xc1, 0x6d, 0x02, 0x02,
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0x0f, 0xd6, 0x00, 0x5e, 0x20, 0x84, 0xda }
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}
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},
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{ /* ALL_ENABLED */
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NODE1, NODE2, 0, 1, 214, 0,
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{ 25, { 0x02, 0xee, 0x01, 0xcd, 0xab, 0x02, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x0c, 0xc1, 0x01, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x0c, 0xc1, 0x02, 0x0f, 0xd6,
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0x00 }
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}
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}
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};
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PROCESS(test_process, "tsch-packet-create test");
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AUTOSTART_PROCESSES(&test_process);
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static void
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print_hex(const uint8_t *p, size_t len)
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{
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int i;
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for(i = 0; i < len; i++) {
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printf("%02x", p[i]);
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}
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}
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static void
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update_current_asn(uint64_t asn)
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{
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tsch_current_asn.ls4b = (uint32_t)(asn & 0xffffffff);
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tsch_current_asn.ms1b = (uint8_t)((asn >> 32) & 0xff);
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}
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static result_t
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test_create_eb(const eb_test_vector_t *v)
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{
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uint8_t buf[TSCH_PACKET_MAX_LEN];
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int len;
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uint8_t hdr_len;
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uint8_t tsch_sync_ie_offset;
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memset(buf, 0, sizeof(buf));
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linkaddr_copy(&linkaddr_node_addr, &v->src);
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update_current_asn(v->asn);
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len = tsch_packet_create_eb(buf, sizeof(buf),
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&hdr_len, &tsch_sync_ie_offset);
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tsch_packet_update_eb(buf, len, tsch_sync_ie_offset);
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#if WITH_SECURITY_ON
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len += tsch_security_secure_frame(buf, buf,
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hdr_len, len - hdr_len,
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&tsch_current_asn);
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#endif
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printf("%s: len=%u, hdr_len=%u, buf=", __func__, len, hdr_len);
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print_hex(buf, len);
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printf("\n");
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if(len != v->frame.len ||
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hdr_len != v->hdr_len ||
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memcmp(buf, v->frame.buf, len) != 0) {
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return FAILURE;
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}
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return SUCCESS;
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}
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static result_t
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test_parse_eb(const eb_test_vector_t *v)
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{
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frame802154_t frame;
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struct ieee802154_ies ies;
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uint8_t hdr_len;
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int frame_without_mic;
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int len;
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uint64_t asn;
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linkaddr_t src_addr;
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#if WITH_SECURITY_ON
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frame_without_mic = 0;
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update_current_asn(v->asn);
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#else
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frame_without_mic = 1;
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#endif
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memset(&frame, 0, sizeof(frame));
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memset(&ies, 0, sizeof(ies));
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hdr_len = 0;
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len = tsch_packet_parse_eb(v->frame.buf, v->frame.len, &frame, &ies, &hdr_len,
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frame_without_mic);
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asn = ((uint64_t)ies.ie_asn.ms1b << 32) + ies.ie_asn.ls4b;
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printf("%s: len=%u, hdr_len=%u, asn=%llu\n", __func__, len, hdr_len, asn);
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#if WITH_SECURITY_ON
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/* adjust 'len' with the length of MIC which is included in a raw frame */
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len += tsch_security_mic_len(&frame);
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#endif
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if(frame.fcf.frame_type != FRAME802154_BEACONFRAME ||
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frame.fcf.frame_version != FRAME802154_IEEE802154_2015) {
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return FAILURE;
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}
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if(len != v->frame.len ||
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hdr_len != v->hdr_len ||
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asn != v->asn) {
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return FAILURE;
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}
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if(frame802154_extract_linkaddr(&frame, &src_addr, NULL) == 0||
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linkaddr_cmp(&src_addr, &v->src) == 0) {
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return FAILURE;
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}
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return SUCCESS;
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}
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static result_t
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test_create_eack(const eack_test_vector_t *v)
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{
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uint8_t buf[TSCH_PACKET_MAX_LEN];
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int len;
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#if WITH_SECURITY_ON
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int data_len = 0;
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#endif
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memset(buf, 0, sizeof(buf));
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linkaddr_copy(&linkaddr_node_addr, &v->src);
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len = tsch_packet_create_eack(buf, sizeof(buf),
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&v->dest, v->seqno, v->drift, v->nack);
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#if WITH_SECURITY_ON
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update_current_asn(v->asn);
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len += tsch_security_secure_frame(buf, buf,
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len, data_len,
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&tsch_current_asn);
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#endif
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printf("%s: len=%u, buf=", __func__, len);
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print_hex(buf, len);
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printf("\n");
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if(len != v->frame.len ||
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memcmp(buf, v->frame.buf, len) != 0) {
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return FAILURE;
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}
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return SUCCESS;
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}
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static result_t
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test_parse_eack(const eack_test_vector_t *v)
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{
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frame802154_t frame;
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struct ieee802154_ies ies;
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uint8_t hdr_len;
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int len;
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#if TSCH_PACKET_EACK_WITH_SRC_ADDR
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linkaddr_t src_addr;
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#endif
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#if TSCH_PACKET_EACK_WITH_DEST_ADDR
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linkaddr_t dest_addr;
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#endif
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#if WITH_SECURITY_ON
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update_current_asn(v->asn);
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#endif
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memset(&frame, 0, sizeof(frame));
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memset(&ies, 0, sizeof(ies));
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hdr_len = 0;
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linkaddr_copy(&linkaddr_node_addr, &v->dest);
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len = tsch_packet_parse_eack(v->frame.buf, v->frame.len, v->seqno,
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&frame, &ies, &hdr_len);
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printf("%s: len=%u, seqno=%u, drift=%u, nack=%u\n",
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__func__, len, frame.seq, ies.ie_time_correction, ies.ie_is_nack);
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#if WITH_SECURITY_ON
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/* adjust 'len' with the length of MIC which is included in a raw frame */
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len += tsch_security_mic_len(&frame);
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#endif
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if(frame.fcf.frame_type != FRAME802154_ACKFRAME ||
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frame.fcf.frame_version != FRAME802154_IEEE802154_2015) {
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return FAILURE;
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}
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if(len != v->frame.len ||
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frame.seq != v->seqno ||
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ies.ie_time_correction != v->drift ||
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ies.ie_is_nack != v->nack) {
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return FAILURE;
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}
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#if TSCH_PACKET_EACK_WITH_SRC_ADDR
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if(frame802154_extract_linkaddr(&frame, &src_addr, NULL) == 0||
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linkaddr_cmp(&src_addr, &v->src) == 0) {
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return FAILURE;
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}
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#endif
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#if TSCH_PACKET_EACK_WITH_DEST_ADDR
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if(frame802154_extract_linkaddr(&frame, NULL, &dest_addr) == 0||
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linkaddr_cmp(&dest_addr, &v->dest) == 0) {
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return FAILURE;
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}
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#endif
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return SUCCESS;
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}
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PROCESS_THREAD(test_process, ev, data)
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{
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static struct etimer et;
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const eb_test_vector_t *eb_v;
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const eack_test_vector_t *eack_v;
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PROCESS_BEGIN();
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tsch_set_coordinator(1);
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#if WITH_SECURITY_ON
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tsch_set_pan_secured(1);
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#endif
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etimer_set(&et, CLOCK_SECOND);
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/* wait for minimal schedule installed */
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while(1) {
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PROCESS_WAIT_EVENT_UNTIL(etimer_expired(&et));
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if(tsch_schedule_get_link_by_handle(0) != NULL) {
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break;
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}
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etimer_reset(&et);
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}
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eb_v = &eb_test_vectors[TEST_CONFIG_TYPE];
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printf("==check-me== %s\n",
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test_create_eb(eb_v) == SUCCESS ? "SUCCEEDED" : "FAILED");
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printf("==check-me== %s\n",
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test_parse_eb(eb_v) == SUCCESS ? "SUCCEEDED" : "FAILED");
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eack_v = &eack_test_vectors[TEST_CONFIG_TYPE];
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printf("==check-me== %s\n",
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test_create_eack(eack_v) == SUCCESS ? "SUCCEEDED" : "FAILED");
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printf("==check-me== %s\n",
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test_parse_eack(eack_v) == SUCCESS ? "SUCCEEDED" : "FAILED");
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printf("==check-me== DONE\n");
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PROCESS_END();
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}
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