Outline ![]()
Files ![]()
loading...
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
146
147
148
149
150
151
152
153
154
155
156
157
158
159
160
161
162
163
164
165
166
167
168
169
170
171
172
173
174
175
176
177
178
179
180
181
182
183
184
185
186
187
188
189
190
191
192
193
194
195
196
197
198
199
200
201
202
203
204
205
206
207
208
209
210
211
212
213
214
215
216
217
218
219
220
221
222
223
224
225
226
227
228
229
230
231
232
233
234
235
236
237
238
239
240
241
242
243
244
245
246
247
248
249
250
251
252
253
254
255
256
257
258
259
260
261
262
263
264
265
266
267
268
269
270
271
272
273
274
275
276
277
278
279
280
281
282
283
284
285
286
287
288
289
290
291
292
293
294
295
296
297
298
299
300
301
302
303
304
305
306
307
308
309
310
311
312
313
314
315
316
317
318
319
320
321
322
323
324
325
326
327
328
329
330
331
332
333
334
335
336
337
338
339
340
341
342
343
344
345
346
347
348
349
350
351
352
353
354
355
356
357
358
359
360
361
362
363
364
365
366
367
368
369
370
371
/* Bluetooth Mesh */
/*
* SPDX-FileCopyrightText: 2017 Intel Corporation
* SPDX-FileContributor: 2020-2021 Espressif Systems (Shanghai) CO LTD
*
* SPDX-License-Identifier: Apache-2.0
*/
#include <string.h>
#include <errno.h>
#include "mesh.h"
#include "lpn.h"
#include "crypto.h"
#include "access.h"
#include "foundation.h"
#include "transport.h"
#include "mesh/main.h"
#include "settings.h"
static struct bt_mesh_model *find_model(uint16_t elem_addr, uint16_t cid, uint16_t mod_id)
{
struct bt_mesh_elem *elem = NULL;
if (!BLE_MESH_ADDR_IS_UNICAST(elem_addr)) {
BT_ERR("Invalid unicast address 0x%04x", elem_addr);
return NULL;
}
elem = bt_mesh_elem_find(elem_addr);
if (elem == NULL) {
BT_ERR("No element found, addr 0x%04x", elem_addr);
return NULL;
}
if (cid == BLE_MESH_CID_NVAL) {
return bt_mesh_model_find(elem, mod_id);
}
return bt_mesh_model_find_vnd(elem, cid, mod_id);
}
int bt_mesh_model_subscribe_group_addr(uint16_t elem_addr, uint16_t cid,
uint16_t mod_id, uint16_t group_addr)
{
struct bt_mesh_model *model = NULL;
int i;
model = find_model(elem_addr, cid, mod_id);
if (model == NULL) {
BT_ERR("Subscribe, model not found, cid 0x%04x, mod_id 0x%04x", cid, mod_id);
return -ENODEV;
}
if (!BLE_MESH_ADDR_IS_GROUP(group_addr)) {
BT_ERR("Subscribe, not a group address 0x%04x", group_addr);
return -EINVAL;
}
if (bt_mesh_model_find_group(model, group_addr)) {
BT_INFO("Group address 0x%04x already exists", group_addr);
return 0;
}
for (i = 0; i < ARRAY_SIZE(model->groups); i++) {
if (model->groups[i] == BLE_MESH_ADDR_UNASSIGNED) {
model->groups[i] = group_addr;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_mod_sub(model);
}
if (IS_ENABLED(CONFIG_BLE_MESH_LOW_POWER)) {
bt_mesh_lpn_group_add(group_addr);
}
BT_INFO("Subscribe group address 0x%04x", group_addr);
return 0;
}
}
BT_ERR("Subscribe, model sub is full!");
return -ENOMEM;
}
int bt_mesh_model_unsubscribe_group_addr(uint16_t elem_addr, uint16_t cid,
uint16_t mod_id, uint16_t group_addr)
{
struct bt_mesh_model *model = NULL;
uint16_t *match = NULL;
model = find_model(elem_addr, cid, mod_id);
if (model == NULL) {
BT_ERR("Unsubscribe, model not found, cid 0x%04x, mod_id 0x%04x", cid, mod_id);
return -ENODEV;
}
if (!BLE_MESH_ADDR_IS_GROUP(group_addr)) {
BT_ERR("Unsubscribe, not a group address 0x%04x", group_addr);
return -EINVAL;
}
match = bt_mesh_model_find_group(model, group_addr);
if (match == NULL) {
BT_WARN("Group address 0x%04x not exists", group_addr);
return -EEXIST;
}
*match = BLE_MESH_ADDR_UNASSIGNED;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_mod_sub(model);
}
if (IS_ENABLED(CONFIG_BLE_MESH_LOW_POWER)) {
bt_mesh_lpn_group_del(&group_addr, 1);
}
BT_INFO("Unsubscribe group address 0x%04x", group_addr);
return 0;
}
#if CONFIG_BLE_MESH_DF_SRV
int bt_mesh_enable_directed_forwarding(uint16_t net_idx, bool directed_forwarding,
bool directed_forwarding_relay)
{
struct bt_mesh_subnet *sub = NULL;
if (net_idx > 0xFFF) {
BT_ERR("Invalid NetKeyIndex 0x%04x", net_idx);
return -EINVAL;
}
sub = bt_mesh_subnet_get(net_idx);
if (!sub) {
BT_ERR("NetKey 0x%04x not exists", net_idx);
return -EINVAL;
}
if (directed_forwarding == BLE_MESH_DIRECTED_FORWARDING_DISABLED &&
directed_forwarding_relay == BLE_MESH_DIRECTED_RELAY_ENABLED) {
BT_ERR("Invalid Config directed forwarding: %d, directed forwarding relay: %d", directed_forwarding, directed_forwarding_relay);
return -EINVAL;
}
sub->directed_forwarding = directed_forwarding;
sub->directed_relay = directed_forwarding_relay;
return 0;
}
#endif /* CONFIG_BLE_MESH_DF_SRV */
#if CONFIG_BLE_MESH_NODE
const uint8_t *bt_mesh_node_get_local_net_key(uint16_t net_idx)
{
struct bt_mesh_subnet *sub = NULL;
if (net_idx > 0xFFF) {
BT_ERR("Invalid NetKeyIndex 0x%04x", net_idx);
return NULL;
}
sub = bt_mesh_subnet_get(net_idx);
if (!sub) {
BT_ERR("NetKey 0x%04x not exists", net_idx);
return NULL;
}
return sub->kr_flag ? sub->keys[1].net : sub->keys[0].net;
}
const uint8_t *bt_mesh_node_get_local_app_key(uint16_t app_idx)
{
struct bt_mesh_app_key *key = NULL;
if (app_idx > 0xFFF) {
BT_ERR("Invalid AppKeyIndex 0x%04x", app_idx);
return NULL;
}
key = bt_mesh_app_key_get(app_idx);
if (!key) {
BT_ERR("AppKey 0x%04x not exists", app_idx);
return NULL;
}
return key->updated ? key->keys[1].val : key->keys[0].val;
}
int bt_mesh_node_local_net_key_add(uint16_t net_idx, const uint8_t net_key[16])
{
struct bt_mesh_subnet *sub = NULL;
int err = 0;
int i;
if (net_idx > 0xFFF || net_key == NULL) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
if (!bt_mesh_is_provisioned()) {
BT_ERR("Not provisioned, failed to add NetKey");
return -EIO;
}
sub = bt_mesh_subnet_get(net_idx);
if (sub) {
BT_WARN("NetKey 0x%04x already exists", net_idx);
return -EEXIST;
}
for (i = 0; i < ARRAY_SIZE(bt_mesh.sub); i++) {
if (bt_mesh.sub[i].net_idx != BLE_MESH_KEY_UNUSED) {
if ((bt_mesh.sub[i].kr_flag == false &&
memcmp(bt_mesh.sub[i].keys[0].net, net_key, 16) == 0) ||
(bt_mesh.sub[i].kr_flag == true &&
memcmp(bt_mesh.sub[i].keys[1].net, net_key, 16) == 0)) {
BT_WARN("Key value %s already exists", bt_hex(net_key, 16));
return -EEXIST;
}
}
}
for (i = 0; i < ARRAY_SIZE(bt_mesh.sub); i++) {
if (bt_mesh.sub[i].net_idx == BLE_MESH_KEY_UNUSED) {
sub = &bt_mesh.sub[i];
break;
}
}
if (sub == NULL) {
BT_ERR("NetKey is full!");
return -ENOMEM;
}
err = bt_mesh_net_keys_create(&sub->keys[0], net_key);
if (err) {
BT_ERR("Failed to create keys for NetKey 0x%04x", net_idx);
return -EIO;
}
sub->net_idx = net_idx;
sub->kr_flag = false;
sub->kr_phase = BLE_MESH_KR_NORMAL;
if (IS_ENABLED(CONFIG_BLE_MESH_GATT_PROXY_SERVER)) {
sub->node_id = BLE_MESH_NODE_IDENTITY_STOPPED;
} else {
sub->node_id = BLE_MESH_NODE_IDENTITY_NOT_SUPPORTED;
}
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
BT_DBG("Storing NetKey persistently");
bt_mesh_store_subnet(sub);
}
/* Make sure we have valid beacon data to be sent */
bt_mesh_net_secure_beacon_update(sub);
return 0;
}
int bt_mesh_node_local_app_key_add(uint16_t net_idx, uint16_t app_idx,
const uint8_t app_key[16])
{
struct bt_mesh_app_key *key = NULL;
if (net_idx > 0xFFF || app_idx > 0xFFF || app_key == NULL) {
BT_ERR("%s, Invalid parameter", __func__);
return -EINVAL;
}
if (!bt_mesh_is_provisioned()) {
BT_ERR("Not provisioned, failed to add AppKey");
return -EIO;
}
if (bt_mesh_subnet_get(net_idx) == NULL) {
BT_ERR("Subnet 0x%04x not exists", net_idx);
return -EIO;
}
key = bt_mesh_app_key_get(app_idx);
if (key) {
BT_WARN("AppKey 0x%04x already exists", app_idx);
return -EEXIST;
}
for (int i = 0; i < ARRAY_SIZE(bt_mesh.app_keys); i++) {
if (bt_mesh.app_keys[i].net_idx != BLE_MESH_KEY_UNUSED) {
if ((bt_mesh.app_keys[i].updated == false &&
memcmp(bt_mesh.app_keys[i].keys[0].val, app_key, 16) == 0) ||
(bt_mesh.app_keys[i].updated == true &&
memcmp(bt_mesh.app_keys[i].keys[1].val, app_key, 16) == 0)) {
BT_WARN("Key value %s already exists", bt_hex(app_key, 16));
return -EEXIST;
}
}
}
key = bt_mesh_app_key_alloc(app_idx);
if (key) {
struct bt_mesh_app_keys *keys = &key->keys[0];
if (bt_mesh_app_id(app_key, &keys->id)) {
BT_ERR("Failed to generate AID");
return -EIO;
}
key->net_idx = net_idx;
key->app_idx = app_idx;
key->updated = false;
memcpy(keys->val, app_key, 16);
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
BT_DBG("Storing AppKey persistently");
bt_mesh_store_app_key(key);
}
BT_INFO("Add AppKey 0x%04x, NetKeyIndex 0x%04x", app_idx, net_idx);
return 0;
}
BT_ERR("AppKey is full!");
return -ENOMEM;
}
int bt_mesh_node_bind_app_key_to_model(uint16_t elem_addr, uint16_t mod_id,
uint16_t cid, uint16_t app_idx)
{
struct bt_mesh_model *model = NULL;
int i;
if (!bt_mesh_is_provisioned()) {
BT_ERR("Not provisioned, failed to bind AppKey");
return -EIO;
}
model = find_model(elem_addr, cid, mod_id);
if (model == NULL) {
BT_ERR("Bind, model(id 0x%04x, cid 0x%04x) not found", mod_id, cid);
return -ENODEV;
}
if (bt_mesh_app_key_get(app_idx) == NULL) {
BT_ERR("Bind, AppKey 0x%03x not exists", app_idx);
return -ENODEV;
}
for (i = 0; i < ARRAY_SIZE(model->keys); i++) {
if (model->keys[i] == app_idx) {
BT_WARN("Already bound to AppKey 0x%04x", app_idx);
return -EALREADY;
}
}
for (i = 0; i < ARRAY_SIZE(model->keys); i++) {
if (model->keys[i] == BLE_MESH_KEY_UNUSED) {
model->keys[i] = app_idx;
if (IS_ENABLED(CONFIG_BLE_MESH_SETTINGS)) {
bt_mesh_store_mod_bind(model);
}
BT_INFO("Model(id 0x%04x, cid 0x%04x) bound to AppKey 0x%04x", mod_id, cid, app_idx);
return 0;
}
}
BT_ERR("Model bound is full!");
return -ENOMEM;
}
#endif /* CONFIG_BLE_MESH_NODE */
Details ![]()
Show: from Types: Columns: ![]( "Show Project Names")
![]( "Show Locations")
![]( "Show Referring Symbols")
![]( "Show Scope")
This file uses the notable symbols shown below. Click anywhere in the file to view more details.