1 /*
2  * Copyright (c) 2022 Nordic Semiconductor ASA
3  *
4  * SPDX-License-Identifier: Apache-2.0
5  */
6 
7 #include "mocks/crypto.h"
8 #include "mocks/crypto_expects.h"
9 #include "mocks/hci_core.h"
10 #include "mocks/rpa.h"
11 #include "mocks/rpa_expects.h"
12 #include "testing_common_defs.h"
13 
14 #include <zephyr/bluetooth/hci.h>
15 #include <zephyr/fff.h>
16 #include <zephyr/kernel.h>
17 
18 #include <host/hci_core.h>
19 #include <host/id.h>
20 
21 DEFINE_FFF_GLOBALS;
22 
fff_reset_rule_before(const struct ztest_unit_test * test,void * fixture)23 static void fff_reset_rule_before(const struct ztest_unit_test *test, void *fixture)
24 {
25 	memset(&bt_dev, 0x00, sizeof(struct bt_dev));
26 	bt_addr_le_copy(&bt_dev.random_addr, &bt_addr_le_none);
27 #if defined(CONFIG_BT_RPA_SHARING)
28 	bt_addr_copy(&bt_dev.rpa[BT_ID_DEFAULT], BT_ADDR_NONE);
29 #endif
30 
31 	RPA_FFF_FAKES_LIST(RESET_FAKE);
32 	CRYPTO_FFF_FAKES_LIST(RESET_FAKE);
33 	HCI_CORE_FFF_FAKES_LIST(RESET_FAKE);
34 }
35 
36 ZTEST_RULE(fff_reset_rule, fff_reset_rule_before, NULL);
37 
38 ZTEST_SUITE(bt_id_set_adv_private_addr, NULL, NULL, NULL, NULL, NULL);
39 
bt_rand_custom_fake(void * buf,size_t len)40 static int bt_rand_custom_fake(void *buf, size_t len)
41 {
42 	__ASSERT_NO_MSG(buf != NULL);
43 	__ASSERT_NO_MSG(len == sizeof(BT_ADDR->val));
44 
45 	/* This will make set_random_address() succeeds and returns 0 */
46 	memcpy(buf, &BT_ADDR->val, len);
47 	bt_addr_copy(&bt_dev.random_addr.a, BT_ADDR);
48 
49 	return 0;
50 }
51 
bt_rpa_create_custom_fake(const uint8_t irk[16],bt_addr_t * rpa)52 static int bt_rpa_create_custom_fake(const uint8_t irk[16], bt_addr_t *rpa)
53 {
54 	__ASSERT_NO_MSG(irk != NULL);
55 	__ASSERT_NO_MSG(rpa != NULL);
56 
57 	/* This will make set_random_address() succeeds and returns 0 */
58 	bt_addr_copy(rpa, &BT_RPA_LE_ADDR->a);
59 	bt_addr_copy(&bt_dev.random_addr.a, &BT_RPA_LE_ADDR->a);
60 
61 	return 0;
62 }
63 
64 /*
65  *  Test setting advertising private address with a valid advertise parameters reference while
66  *  'CONFIG_BT_PRIVACY' is enabled and 'CONFIG_BT_EXT_ADV' isn't enabled
67  *
68  *  Constraints:
69  *   - A valid advertise parameters ID is used (<= CONFIG_BT_ID_MAX)
70  *   - 'CONFIG_BT_PRIVACY' is enabled
71  *   - 'CONFIG_BT_EXT_ADV' isn't enabled
72  *
73  *  Expected behaviour:
74  *   - bt_id_set_adv_private_addr() returns 0 (success)
75  */
ZTEST(bt_id_set_adv_private_addr,test_set_adv_private_address_with_valid_ref_privacy_succeeds)76 ZTEST(bt_id_set_adv_private_addr, test_set_adv_private_address_with_valid_ref_privacy_succeeds)
77 {
78 	int err;
79 	struct bt_le_ext_adv adv_param = {0};
80 
81 	Z_TEST_SKIP_IFNDEF(CONFIG_BT_PRIVACY);
82 	Z_TEST_SKIP_IFDEF(CONFIG_BT_EXT_ADV);
83 
84 	bt_rpa_create_fake.custom_fake = bt_rpa_create_custom_fake;
85 
86 	err = bt_id_set_adv_private_addr(&adv_param);
87 
88 #if defined(CONFIG_BT_PRIVACY)
89 	expect_single_call_bt_rpa_create(bt_dev.irk[adv_param.id]);
90 #endif
91 
92 	zassert_true(atomic_test_bit(bt_dev.flags, BT_DEV_RPA_VALID),
93 		     "Flags were not correctly set");
94 
95 	zassert_ok(err, "Unexpected error code '%d' was returned", err);
96 }
97 
98 /*
99  *  Test setting advertising private address with a valid advertise parameters reference while
100  *  'CONFIG_BT_PRIVACY' and 'CONFIG_BT_EXT_ADV' are enabled
101  *
102  *  Constraints:
103  *   - A valid advertise parameters ID is used (<= CONFIG_BT_ID_MAX)
104  *   - 'CONFIG_BT_PRIVACY' is enabled
105  *   - 'CONFIG_BT_EXT_ADV' is enabled
106  *
107  *  Expected behaviour:
108  *   - bt_id_set_adv_private_addr() returns 0 (success)
109  */
ZTEST(bt_id_set_adv_private_addr,test_set_adv_private_address_with_valid_ref_priv_ext_adv_succeeds)110 ZTEST(bt_id_set_adv_private_addr, test_set_adv_private_address_with_valid_ref_priv_ext_adv_succeeds)
111 {
112 	int err;
113 	struct bt_le_ext_adv adv_param = {0};
114 
115 	Z_TEST_SKIP_IFNDEF(CONFIG_BT_PRIVACY);
116 	Z_TEST_SKIP_IFNDEF(CONFIG_BT_EXT_ADV);
117 
118 	bt_rpa_create_fake.custom_fake = bt_rpa_create_custom_fake;
119 
120 	err = bt_id_set_adv_private_addr(&adv_param);
121 
122 #if defined(CONFIG_BT_PRIVACY)
123 	expect_single_call_bt_rpa_create(bt_dev.irk[adv_param.id]);
124 #endif
125 
126 #if defined(CONFIG_BT_EXT_ADV)
127 	zassert_true(atomic_test_bit(adv_param.flags, BT_ADV_RANDOM_ADDR_PENDING),
128 		     "Flags were not correctly set");
129 
130 	zassert_mem_equal(&adv_param.random_addr, BT_RPA_LE_ADDR, sizeof(bt_addr_le_t),
131 			  "Incorrect address was set");
132 #endif
133 
134 	zassert_true(atomic_test_bit(adv_param.flags, BT_ADV_RPA_VALID),
135 		     "Flags were not correctly set");
136 
137 	zassert_ok(err, "Unexpected error code '%d' was returned", err);
138 }
139 
140 /*
141  *  Test setting advertising private address with a valid advertise parameters reference after it
142  *  was set previously while 'CONFIG_BT_PRIVACY' and 'CONFIG_BT_EXT_ADV' are enabled
143  *
144  *  Constraints:
145  *   - A valid advertise parameters ID is used (<= CONFIG_BT_ID_MAX)
146  *   - 'CONFIG_BT_PRIVACY' is enabled
147  *   - 'CONFIG_BT_EXT_ADV' is enabled
148  *   - 'BT_ADV_RPA_VALID' flag in advertise parameters reference is set
149  *
150  *  Expected behaviour:
151  *   - bt_id_set_adv_private_addr() returns 0 (success)
152  */
ZTEST(bt_id_set_adv_private_addr,test_set_adv_private_address_with_valid_ref_priv_ext_adv_again)153 ZTEST(bt_id_set_adv_private_addr, test_set_adv_private_address_with_valid_ref_priv_ext_adv_again)
154 {
155 	int err;
156 	struct bt_le_ext_adv adv_param = {0};
157 
158 	Z_TEST_SKIP_IFNDEF(CONFIG_BT_PRIVACY);
159 	Z_TEST_SKIP_IFNDEF(CONFIG_BT_EXT_ADV);
160 
161 	atomic_set_bit(adv_param.flags, BT_ADV_RPA_VALID);
162 
163 	err = bt_id_set_adv_private_addr(&adv_param);
164 
165 	expect_not_called_bt_rpa_create();
166 
167 	zassert_ok(err, "Unexpected error code '%d' was returned", err);
168 }
169 
170 /*
171  *  Test setting advertising private address with a valid advertise parameters reference while
172  *  'CONFIG_BT_PRIVACY' isn't enabled
173  *
174  *  Constraints:
175  *   - 'CONFIG_BT_PRIVACY' isn't enabled
176  *
177  *  Expected behaviour:
178  *   - bt_id_set_adv_private_addr() returns 0 (success)
179  */
ZTEST(bt_id_set_adv_private_addr,test_set_adv_private_address_with_valid_ref_succeeds)180 ZTEST(bt_id_set_adv_private_addr, test_set_adv_private_address_with_valid_ref_succeeds)
181 {
182 	int err;
183 	struct bt_le_ext_adv adv_param;
184 
185 	Z_TEST_SKIP_IFDEF(CONFIG_BT_PRIVACY);
186 
187 	bt_rand_fake.custom_fake = bt_rand_custom_fake;
188 
189 	err = bt_id_set_adv_private_addr(&adv_param);
190 
191 	expect_not_called_bt_rpa_create();
192 
193 	zassert_ok(err, "Unexpected error code '%d' was returned", err);
194 }
195