/* * Copyright (C) 2021 HAW Hamburg * * This file is subject to the terms and conditions of the GNU Lesser * General Public License v2.1. See the file LICENSE in the top level * directory for more details. */ /** * @{ * * @author Jose I. Alamos * @file */ #include #include #include "embUnit.h" #include "net/gnrc/lorawan.h" #include "net/lorawan/hdr.h" static uint8_t fnwksintkey[] = { 0x59, 0x42, 0x2d, 0x58, 0x68, 0x5f, 0x7d, 0x6e, 0x9f, 0xb6, 0x91, 0x9a, 0x7b, 0x3f, 0x44, 0x8a }; static uint8_t snwksintkey[] = { 0xc0, 0x9f, 0x9e, 0x9a, 0x13, 0x91, 0xae, 0xcc, 0x54, 0xdb, 0x49, 0x0e, 0x11, 0x26, 0x1f, 0x21 }; static uint8_t lorawan_packet_no_mic[] = { 0x40, 0x30, 0xe2, 0xde, 0x00, 0x00, 0x00, 0x00, 0x01, 0x3b, 0xc5, 0xf0, 0xa0, 0x69, 0x49, 0x66, 0xee, 0x00, 0xc1, 0xaa, 0x0d, 0xee, 0x20 }; static uint8_t lorawan_packet_wrong[] = { 0x40, 0x30, 0xe2, 0xde, 0x00, 0x00, 0x00, 0xaa, 0x01, 0x3b, 0xc5, 0xf0, 0xa0, 0x69, 0x49, 0x66, 0xee, 0x00, 0xc1, 0xaa, 0x0d, 0xee, 0x20 }; static uint8_t mic[] = { 0x12, 0xcd, 0x3c, 0x8a }; static le_uint32_t dev_addr = { .u8 = { 0x30, 0xe2, 0xde, 0x00 } }; static uint8_t fopts[] = { 0x02, 0x41, 0x5 }; static uint8_t wrong_fopts[] = { 0x00, 0x41, 0x5 }; static uint16_t fcnt = 0x00; static uint16_t conf_fcnt = 0x00; static uint8_t tx_dr = 0x00; static uint8_t tx_ch = 0x04; static void (*mlme_confirm_cb)(gnrc_lorawan_t *mac, mlme_confirm_t *confirm); static bool mlme_confirm_exec; /* Callback function required by GNRC LoRaWAN */ void gnrc_lorawan_mlme_confirm(gnrc_lorawan_t *mac, mlme_confirm_t *confirm) { TEST_ASSERT(mlme_confirm_cb); mlme_confirm_cb(mac, confirm); mlme_confirm_exec = true; } static void _cb__gnrc_lorawan_fopts__perform(gnrc_lorawan_t *mac, mlme_confirm_t *confirm) { (void)mac; TEST_ASSERT(confirm->type == MLME_LINK_CHECK); TEST_ASSERT(confirm->status == GNRC_LORAWAN_REQ_STATUS_SUCCESS); TEST_ASSERT(confirm->link_req.margin == 0x41); TEST_ASSERT(confirm->link_req.num_gateways == 5); } void set_up(void) { mlme_confirm_exec = false; mlme_confirm_cb = NULL; } static void test_gnrc_lorawan__validate_mic(void) { iolist_t pkt = { .iol_base = lorawan_packet_no_mic, .iol_len = sizeof(lorawan_packet_no_mic), .iol_next = NULL }; /* Uplink packet */ le_uint32_t calc_mic; gnrc_lorawan_t mac = { 0 }; memcpy(&mac.dev_addr, &dev_addr, sizeof(dev_addr)); mac.ctx.fnwksintkey = fnwksintkey; mac.ctx.snwksintkey = snwksintkey; mac.last_dr = tx_dr; mac.last_chan_idx = tx_ch; mac.mcps.fcnt = fcnt; mac.optneg = true; gnrc_lorawan_calculate_mic_uplink(&pkt, conf_fcnt, &mac, &calc_mic); TEST_ASSERT(memcmp(&calc_mic, mic, sizeof(le_uint32_t)) == 0); } static void test_gnrc_lorawan__wrong_mic(void) { iolist_t pkt = { .iol_base = lorawan_packet_wrong, .iol_len = sizeof(lorawan_packet_wrong), .iol_next = NULL }; /* Uplink packet */ le_uint32_t calc_mic; gnrc_lorawan_t mac = { 0 }; memcpy(&mac.dev_addr, &dev_addr, sizeof(dev_addr)); mac.ctx.fnwksintkey = fnwksintkey; mac.ctx.snwksintkey = snwksintkey; mac.last_dr = tx_dr; mac.last_chan_idx = tx_ch; mac.mcps.fcnt = fcnt; gnrc_lorawan_calculate_mic_uplink(&pkt, conf_fcnt, &mac, &calc_mic); TEST_ASSERT(memcmp(&calc_mic, mic, sizeof(le_uint32_t)) != 0); } static void test_gnrc_lorawan__build_hdr(void) { uint8_t buf[sizeof(lorawan_hdr_t)]; lorawan_buffer_t lw_buf = { .data = buf, .size = sizeof(buf), .index = 0 }; size_t size = gnrc_lorawan_build_hdr(MTYPE_UNCNF_UPLINK, &dev_addr, fcnt, 0, 0, &lw_buf); TEST_ASSERT(size == sizeof(lorawan_hdr_t)); TEST_ASSERT(memcmp(lw_buf.data, lorawan_packet_no_mic, sizeof(lorawan_hdr_t)) == 0); } static void test_gnrc_lorawan_fopts__mlme_link_check_req(void) { uint8_t buf[1]; lorawan_buffer_t lw_buf = { .data = buf, .size = sizeof(buf), .index = 0 }; gnrc_lorawan_t mac = { 0 }; uint8_t size; size = gnrc_lorawan_build_options(&mac, NULL); TEST_ASSERT(size == 0); TEST_ASSERT(lw_buf.index == 0); mac.mlme.pending_mlme_opts = GNRC_LORAWAN_MLME_OPTS_LINK_CHECK_REQ; size = gnrc_lorawan_build_options(&mac, NULL); TEST_ASSERT(size == 1); TEST_ASSERT(lw_buf.index == 0); size = gnrc_lorawan_build_options(&mac, &lw_buf); TEST_ASSERT(size == 1); TEST_ASSERT(lw_buf.index == 1); TEST_ASSERT(*buf == 0x02); } static void test_gnrc_lorawan_fopts__perform(void) { gnrc_lorawan_t mac; mac.mlme.pending_mlme_opts = GNRC_LORAWAN_MLME_OPTS_LINK_CHECK_REQ; mlme_confirm_exec = false; mlme_confirm_cb = _cb__gnrc_lorawan_fopts__perform; gnrc_lorawan_process_fopts(&mac, fopts, sizeof(fopts)); TEST_ASSERT(!(mac.mlme.pending_mlme_opts & GNRC_LORAWAN_MLME_OPTS_LINK_CHECK_REQ)); TEST_ASSERT(mlme_confirm_exec); } static void test_gnrc_lorawan_fopts__perform_wrong(void) { gnrc_lorawan_t mac; mac.mlme.pending_mlme_opts = GNRC_LORAWAN_MLME_OPTS_LINK_CHECK_REQ; gnrc_lorawan_process_fopts(&mac, wrong_fopts, sizeof(wrong_fopts)); TEST_ASSERT(mac.mlme.pending_mlme_opts & GNRC_LORAWAN_MLME_OPTS_LINK_CHECK_REQ); } Test *tests_gnrc_lorawan_tests(void) { EMB_UNIT_TESTFIXTURES(fixtures) { new_TestFixture(test_gnrc_lorawan__validate_mic), new_TestFixture(test_gnrc_lorawan__wrong_mic), new_TestFixture(test_gnrc_lorawan__build_hdr), new_TestFixture(test_gnrc_lorawan_fopts__mlme_link_check_req), new_TestFixture(test_gnrc_lorawan_fopts__perform), new_TestFixture(test_gnrc_lorawan_fopts__perform_wrong), }; EMB_UNIT_TESTCALLER(gnrc_lorawan_tests, set_up, NULL, fixtures); return (Test *)&gnrc_lorawan_tests; } int main(void) { TESTS_START(); TESTS_RUN(tests_gnrc_lorawan_tests()); TESTS_END(); return 0; } /** @} */