| /* |
| * Copyright (c) 2022 Nordic Semiconductor ASA |
| * |
| * SPDX-License-Identifier: Apache-2.0 |
| */ |
| |
| #include "mocks/ecc_help_utils.h" |
| #include "mocks/hci_core.h" |
| #include "mocks/hci_core_expects.h" |
| #include "mocks/net_buf.h" |
| #include "mocks/net_buf_expects.h" |
| |
| #include <zephyr/bluetooth/hci.h> |
| #include <zephyr/fff.h> |
| #include <zephyr/kernel.h> |
| |
| #include <host/ecc.h> |
| #include <host/hci_core.h> |
| |
| DEFINE_FFF_GLOBALS; |
| |
| static void fff_reset_rule_before(const struct ztest_unit_test *test, void *fixture) |
| { |
| bt_dh_key_cb_t *dh_key_cb = bt_ecc_get_dh_key_cb(); |
| |
| *dh_key_cb = NULL; |
| memset(&bt_dev, 0x00, sizeof(struct bt_dev)); |
| |
| HCI_CORE_FFF_FAKES_LIST(RESET_FAKE); |
| } |
| |
| ZTEST_RULE(fff_reset_rule, fff_reset_rule_before, NULL); |
| |
| ZTEST_SUITE(bt_dh_key_gen, NULL, NULL, NULL, NULL, NULL); |
| |
| static void bt_dh_key_unreachable_cb(const uint8_t key[BT_DH_KEY_LEN]) |
| { |
| zassert_unreachable("Unexpected call to '%s()' occurred", __func__); |
| } |
| |
| /* |
| * Test DH key generation succeeds |
| * |
| * Constraints: |
| * - 'BT_DEV_HAS_PUB_KEY' flag is set |
| * - 'BT_DEV_PUB_KEY_BUSY' flag isn't set |
| * - 'CONFIG_BT_USE_DEBUG_KEYS' isn't enabled |
| * |
| * Expected behaviour: |
| * - bt_dh_key_gen() returns 0 (success) |
| */ |
| ZTEST(bt_dh_key_gen, test_generate_dh_key_passes) |
| { |
| int result; |
| struct net_buf net_buff = {0}; |
| struct bt_hci_cp_le_generate_dhkey cp = {0}; |
| const uint8_t remote_pk[BT_PUB_KEY_LEN] = {0}; |
| |
| Z_TEST_SKIP_IFDEF(CONFIG_BT_USE_DEBUG_KEYS); |
| |
| atomic_set_bit(bt_dev.flags, BT_DEV_HAS_PUB_KEY); |
| atomic_clear_bit(bt_dev.flags, BT_DEV_PUB_KEY_BUSY); |
| |
| /* This makes hci_generate_dhkey_v1() succeeds and returns 0 */ |
| net_buf_simple_add_fake.return_val = &cp; |
| bt_hci_cmd_create_fake.return_val = &net_buff; |
| bt_hci_cmd_send_sync_fake.return_val = 0; |
| |
| result = bt_dh_key_gen(remote_pk, bt_dh_key_unreachable_cb); |
| |
| expect_single_call_net_buf_simple_add(&net_buff.b, sizeof(cp)); |
| expect_single_call_bt_hci_cmd_create(BT_HCI_OP_LE_GENERATE_DHKEY, sizeof(cp)); |
| expect_single_call_bt_hci_cmd_send_sync(BT_HCI_OP_LE_GENERATE_DHKEY); |
| |
| zassert_ok(result, "Unexpected error code '%d' was returned", result); |
| } |
| |
| /* |
| * Test DH key generation succeeds with 'CONFIG_BT_USE_DEBUG_KEYS' enabled |
| * |
| * Constraints: |
| * - 'BT_DEV_HAS_PUB_KEY' flag is set |
| * - 'BT_DEV_PUB_KEY_BUSY' flag isn't set |
| * - 'CONFIG_BT_USE_DEBUG_KEYS' is enabled |
| * |
| * Expected behaviour: |
| * - bt_dh_key_gen() returns 0 (success) |
| */ |
| ZTEST(bt_dh_key_gen, test_generate_dh_key_passes_with_debug_keys_enabled) |
| { |
| int result; |
| struct net_buf net_buff = {0}; |
| struct bt_hci_cp_le_generate_dhkey_v2 cp = {0}; |
| const uint8_t remote_pk[BT_PUB_KEY_LEN] = {0}; |
| |
| Z_TEST_SKIP_IFNDEF(CONFIG_BT_USE_DEBUG_KEYS); |
| |
| atomic_set_bit(bt_dev.flags, BT_DEV_HAS_PUB_KEY); |
| atomic_clear_bit(bt_dev.flags, BT_DEV_PUB_KEY_BUSY); |
| |
| /* Set "ECC Debug Keys" command support bit */ |
| bt_dev.supported_commands[41] |= BIT(2); |
| |
| /* This makes hci_generate_dhkey_v2() succeeds and returns 0 */ |
| net_buf_simple_add_fake.return_val = &cp; |
| bt_hci_cmd_create_fake.return_val = &net_buff; |
| bt_hci_cmd_send_sync_fake.return_val = 0; |
| |
| result = bt_dh_key_gen(remote_pk, bt_dh_key_unreachable_cb); |
| |
| expect_single_call_net_buf_simple_add(&net_buff.b, sizeof(cp)); |
| expect_single_call_bt_hci_cmd_create(BT_HCI_OP_LE_GENERATE_DHKEY_V2, sizeof(cp)); |
| expect_single_call_bt_hci_cmd_send_sync(BT_HCI_OP_LE_GENERATE_DHKEY_V2); |
| |
| zassert_ok(result, "Unexpected error code '%d' was returned", result); |
| } |