4  * SPDX-License-Identifier: Apache-2.0
30  * bt_mesh_app_key and bt_mesh_subnet structs themselves, since once a key
37 		 clear:1;       /* 1 if key needs clearing, 0 if storing */
86 		[0 ... (CONFIG_BT_MESH_CDB_NODE_COUNT - 1)] = {
91 		[0 ... (CONFIG_BT_MESH_CDB_SUBNET_COUNT - 1)] = {
96 		[0 ... (CONFIG_BT_MESH_CDB_APP_KEY_COUNT - 1)] = {
104  * Check if an address range from addr_start for addr_start + num_elem - 1 is
106  * available after the conflicting range and -EAGAIN will be returned.
108 static int addr_is_free(uint16_t addr_start, uint8_t num_elem, uint16_t *next)  in addr_is_free()
110 	uint16_t addr_end = addr_start + num_elem - 1;  in addr_is_free()
112 	int i;  in addr_is_free()
117 		return -EINVAL;  in addr_is_free()
123 		if (node->addr == BT_MESH_ADDR_UNASSIGNED) {  in addr_is_free()
127 		other_start = node->addr;  in addr_is_free()
128 		other_end = other_start + node->num_elem - 1;  in addr_is_free()
135 			return -EAGAIN;  in addr_is_free()
155 	int err, i;  in find_lowest_free_addr()
166 		} else if (err != -EAGAIN) {  in find_lowest_free_addr()
177 static int cdb_net_set(const char *name, size_t len_rd,  in cdb_net_set()
181 	int err;  in cdb_net_set()
213 static int cdb_node_set(const char *name, size_t len_rd,  in cdb_node_set()
220 	int err;  in cdb_node_set()
224 		return -ENOENT;  in cdb_node_set()
255 		return -ENOMEM;  in cdb_node_set()
259 		atomic_set_bit(node->flags, BT_MESH_CDB_NODE_CONFIGURED);  in cdb_node_set()
262 	memcpy(node->uuid, val.uuid, 16);  in cdb_node_set()
268 	bt_mesh_key_assign(&node->dev_key, &tmp);  in cdb_node_set()
275 static int cdb_subnet_set(const char *name, size_t len_rd,  in cdb_subnet_set()
279 	struct net_key_val key;  in cdb_subnet_set()  local
282 	int err;  in cdb_subnet_set()
286 		return -ENOENT;  in cdb_subnet_set()
296 			return -ENOENT;  in cdb_subnet_set()
304 	err = bt_mesh_settings_set(read_cb, cb_arg, &key, sizeof(key));  in cdb_subnet_set()
306 		LOG_ERR("Failed to set \'net-key\'");  in cdb_subnet_set()
310 	/* One extra copying since key.val[] is from packed structure  in cdb_subnet_set()
313 	memcpy(&tmp[0], &key.val[0], sizeof(struct bt_mesh_key));  in cdb_subnet_set()
314 	memcpy(&tmp[1], &key.val[1], sizeof(struct bt_mesh_key));  in cdb_subnet_set()
319 		sub->kr_phase = key.kr_phase;  in cdb_subnet_set()
320 		bt_mesh_key_assign(&sub->keys[0].net_key, &tmp[0]);  in cdb_subnet_set()
321 		bt_mesh_key_assign(&sub->keys[1].net_key, &tmp[1]);  in cdb_subnet_set()
329 		return -ENOMEM;  in cdb_subnet_set()
332 	sub->kr_phase = key.kr_phase;  in cdb_subnet_set()
333 	bt_mesh_key_assign(&sub->keys[0].net_key, &tmp[0]);  in cdb_subnet_set()
334 	bt_mesh_key_assign(&sub->keys[1].net_key, &tmp[1]);  in cdb_subnet_set()
341 static int cdb_app_key_set(const char *name, size_t len_rd,  in cdb_app_key_set()
345 	struct app_key_val key;  in cdb_app_key_set()  local
348 	int err;  in cdb_app_key_set()
352 		return -ENOENT;  in cdb_app_key_set()
369 	err = bt_mesh_settings_set(read_cb, cb_arg, &key, sizeof(key));  in cdb_app_key_set()
371 		LOG_ERR("Failed to set \'app-key\'");  in cdb_app_key_set()
375 	/* One extra copying since key.val[] is from packed structure  in cdb_app_key_set()
378 	memcpy(&tmp[0], &key.val[0], sizeof(struct bt_mesh_key));  in cdb_app_key_set()
379 	memcpy(&tmp[1], &key.val[1], sizeof(struct bt_mesh_key));  in cdb_app_key_set()
383 		app = bt_mesh_cdb_app_key_alloc(key.net_idx, app_idx);  in cdb_app_key_set()
387 		LOG_ERR("No space for a new app key");  in cdb_app_key_set()
388 		return -ENOMEM;  in cdb_app_key_set()
391 	bt_mesh_key_assign(&app->keys[0].app_key, &tmp[0]);  in cdb_app_key_set()
392 	bt_mesh_key_assign(&app->keys[1].app_key, &tmp[1]);  in cdb_app_key_set()
399 static int cdb_set(const char *name, size_t len_rd,  in cdb_set()
402 	int len;  in cdb_set()
407 		return -ENOENT;  in cdb_set()
419 		return -ENOENT;  in cdb_set()
434 	LOG_WRN("Unknown module key %s", name);  in cdb_set()
435 	return -ENOENT;  in cdb_set()
444 	int err;  in store_cdb_node()
446 	val.net_idx = node->net_idx;  in store_cdb_node()
447 	val.num_elem = node->num_elem;  in store_cdb_node()
450 	if (atomic_test_bit(node->flags, BT_MESH_CDB_NODE_CONFIGURED)) {  in store_cdb_node()
454 	memcpy(val.uuid, node->uuid, 16);  in store_cdb_node()
455 	memcpy(&val.dev_key, &node->dev_key, sizeof(struct bt_mesh_key));  in store_cdb_node()
457 	snprintk(path, sizeof(path), "bt/mesh/cdb/Node/%x", node->addr);  in store_cdb_node()
470 	int err;  in clear_cdb_node()
485 	struct net_key_val key;  in store_cdb_subnet()  local
487 	int err;  in store_cdb_subnet()
489 	LOG_DBG("NetKeyIndex 0x%03x NetKey %s", sub->net_idx,  in store_cdb_subnet()
490 	       bt_hex(&sub->keys[0].net_key, sizeof(struct bt_mesh_key)));  in store_cdb_subnet()
492 	memcpy(&key.val[0], &sub->keys[0].net_key, sizeof(struct bt_mesh_key));  in store_cdb_subnet()
493 	memcpy(&key.val[1], &sub->keys[1].net_key, sizeof(struct bt_mesh_key));  in store_cdb_subnet()
494 	key.kr_flag = 0U; /* Deprecated */  in store_cdb_subnet()
495 	key.kr_phase = sub->kr_phase;  in store_cdb_subnet()
497 	snprintk(path, sizeof(path), "bt/mesh/cdb/Subnet/%x", sub->net_idx);  in store_cdb_subnet()
499 	err = settings_save_one(path, &key, sizeof(key));  in store_cdb_subnet()
510 	int err;  in clear_cdb_subnet()
525 	struct app_key_val key;  in store_cdb_app_key()  local
527 	int err;  in store_cdb_app_key()
529 	key.net_idx = app->net_idx;  in store_cdb_app_key()
530 	key.updated = false;  in store_cdb_app_key()
531 	memcpy(&key.val[0], &app->keys[0].app_key, sizeof(struct bt_mesh_key));  in store_cdb_app_key()
532 	memcpy(&key.val[1], &app->keys[1].app_key, sizeof(struct bt_mesh_key));  in store_cdb_app_key()
534 	snprintk(path, sizeof(path), "bt/mesh/cdb/AppKey/%x", app->app_idx);  in store_cdb_app_key()
536 	err = settings_save_one(path, &key, sizeof(key));  in store_cdb_app_key()
547 	int err;  in clear_cdb_app_key()
558 static void schedule_cdb_store(int flag)  in schedule_cdb_store()
573 	int i;  in cdb_node_update_find()
581 		if (update->addr == BT_MESH_ADDR_UNASSIGNED) {  in cdb_node_update_find()
586 		if (update->addr == addr) {  in cdb_node_update_find()
599 	LOG_DBG("Node 0x%04x", node->addr);  in update_cdb_node_settings()
601 	update = cdb_node_update_find(node->addr, &free_slot);  in update_cdb_node_settings()
603 		update->clear = !store;  in update_cdb_node_settings()
612 			clear_cdb_node(node->addr);  in update_cdb_node_settings()
617 	free_slot->addr = node->addr;  in update_cdb_node_settings()
618 	free_slot->clear = !store;  in update_cdb_node_settings()
627 	int i;  in cdb_key_update_find()
635 		if (!update->valid) {  in cdb_key_update_find()
640 		if (update->app_key != app_key) {  in cdb_key_update_find()
644 		if (update->key_idx == key_idx) {  in cdb_key_update_find()
658 	LOG_DBG("NetKeyIndex 0x%03x", sub->net_idx);  in update_cdb_subnet_settings()
660 	update = cdb_key_update_find(false, sub->net_idx, &free_slot);  in update_cdb_subnet_settings()
662 		update->clear = clear;  in update_cdb_subnet_settings()
671 			clear_cdb_subnet(sub->net_idx);  in update_cdb_subnet_settings()
676 	free_slot->valid = 1U;  in update_cdb_subnet_settings()
677 	free_slot->key_idx = sub->net_idx;  in update_cdb_subnet_settings()
678 	free_slot->app_key = 0U;  in update_cdb_subnet_settings()
679 	free_slot->clear = clear;  in update_cdb_subnet_settings()
684 static void update_cdb_app_key_settings(const struct bt_mesh_cdb_app_key *key,  in update_cdb_app_key_settings()  argument
690 	LOG_DBG("AppKeyIndex 0x%03x", key->app_idx);  in update_cdb_app_key_settings()
692 	update = cdb_key_update_find(true, key->app_idx, &free_slot);  in update_cdb_app_key_settings()
694 		update->clear = clear;  in update_cdb_app_key_settings()
701 			store_cdb_app_key(key);  in update_cdb_app_key_settings()
703 			clear_cdb_app_key(key->app_idx);  in update_cdb_app_key_settings()
709 	free_slot->valid = 1U;  in update_cdb_app_key_settings()
710 	free_slot->key_idx = key->app_idx;  in update_cdb_app_key_settings()
711 	free_slot->app_key = 1U;  in update_cdb_app_key_settings()
712 	free_slot->clear = clear;  in update_cdb_app_key_settings()
724 		LOG_DBG("Address range 0x%04x-0x%04x is not free", addr,  in addr_assign()
725 			addr + num_elem - 1);  in addr_assign()
732 int bt_mesh_cdb_create(const uint8_t key[16])  in bt_mesh_cdb_create()
735 	int err;  in bt_mesh_cdb_create()
739 		return -EALREADY;  in bt_mesh_cdb_create()
744 		return -ENOMEM;  in bt_mesh_cdb_create()
747 	err = bt_mesh_key_import(BT_MESH_KEY_TYPE_NET, key, &sub->keys[0].net_key);  in bt_mesh_cdb_create()
765 	int i;  in bt_mesh_cdb_clear()
815 	int i;  in bt_mesh_cdb_subnet_alloc()
824 		if (sub->net_idx != BT_MESH_KEY_UNUSED) {  in bt_mesh_cdb_subnet_alloc()
828 		sub->net_idx = net_idx;  in bt_mesh_cdb_subnet_alloc()
838 	LOG_DBG("NetIdx 0x%03x store %u", sub->net_idx, store);  in bt_mesh_cdb_subnet_del()
844 	sub->net_idx = BT_MESH_KEY_UNUSED;  in bt_mesh_cdb_subnet_del()
845 	bt_mesh_key_destroy(&sub->keys[0].net_key);  in bt_mesh_cdb_subnet_del()
846 	bt_mesh_key_destroy(&sub->keys[1].net_key);  in bt_mesh_cdb_subnet_del()
847 	memset(sub->keys, 0, sizeof(sub->keys));  in bt_mesh_cdb_subnet_del()
852 	int i;  in bt_mesh_cdb_subnet_get()
885 int bt_mesh_cdb_subnet_key_import(struct bt_mesh_cdb_subnet *sub, int key_idx,  in bt_mesh_cdb_subnet_key_import()
888 	if (!bt_mesh_key_compare(in, &sub->keys[key_idx].net_key)) {  in bt_mesh_cdb_subnet_key_import()
892 	bt_mesh_key_destroy(&sub->keys[key_idx].net_key);  in bt_mesh_cdb_subnet_key_import()
894 	return bt_mesh_key_import(BT_MESH_KEY_TYPE_NET, in, &sub->keys[key_idx].net_key);  in bt_mesh_cdb_subnet_key_import()
897 int bt_mesh_cdb_subnet_key_export(const struct bt_mesh_cdb_subnet *sub, int key_idx,  in bt_mesh_cdb_subnet_key_export()
900 	return bt_mesh_key_export(out, &sub->keys[key_idx].net_key);  in bt_mesh_cdb_subnet_key_export()
906 	int i;  in bt_mesh_cdb_node_alloc()
916 		if (node->addr == BT_MESH_ADDR_UNASSIGNED) {  in bt_mesh_cdb_node_alloc()
917 			memcpy(node->uuid, uuid, 16);  in bt_mesh_cdb_node_alloc()
918 			node->addr = addr;  in bt_mesh_cdb_node_alloc()
919 			node->num_elem = num_elem;  in bt_mesh_cdb_node_alloc()
920 			node->net_idx = net_idx;  in bt_mesh_cdb_node_alloc()
921 			atomic_set(node->flags, 0);  in bt_mesh_cdb_node_alloc()
936 	LOG_DBG("Node addr 0x%04x store %u", node->addr, store);  in bt_mesh_cdb_node_del()
942 	if (store && node->addr + node->num_elem > bt_mesh_cdb.lowest_avail_addr) {  in bt_mesh_cdb_node_del()
943 		bt_mesh_cdb.lowest_avail_addr = node->addr + node->num_elem;  in bt_mesh_cdb_node_del()
950 	node->addr = BT_MESH_ADDR_UNASSIGNED;  in bt_mesh_cdb_node_del()
951 	bt_mesh_key_destroy(&node->dev_key);  in bt_mesh_cdb_node_del()
952 	memset(&node->dev_key, 0, sizeof(node->dev_key));  in bt_mesh_cdb_node_del()
958 	/* Address is used as a key to the nodes array. Remove the current entry first, then store  in bt_mesh_cdb_node_update()
965 	node->addr = addr;  in bt_mesh_cdb_node_update()
966 	node->num_elem = num_elem;  in bt_mesh_cdb_node_update()
975 	int i;  in bt_mesh_cdb_node_get()
980 		if (addr >= node->addr &&  in bt_mesh_cdb_node_get()
981 		    addr <= node->addr + node->num_elem - 1) {  in bt_mesh_cdb_node_get()
998 	int i;  in bt_mesh_cdb_node_foreach()
1012 int bt_mesh_cdb_node_key_import(struct bt_mesh_cdb_node *node, const uint8_t in[16])  in bt_mesh_cdb_node_key_import()
1014 	if (!bt_mesh_key_compare(in, &node->dev_key)) {  in bt_mesh_cdb_node_key_import()
1018 	bt_mesh_key_destroy(&node->dev_key);  in bt_mesh_cdb_node_key_import()
1020 	return bt_mesh_key_import(BT_MESH_KEY_TYPE_DEV, in, &node->dev_key);  in bt_mesh_cdb_node_key_import()
1023 int bt_mesh_cdb_node_key_export(const struct bt_mesh_cdb_node *node, uint8_t out[16])  in bt_mesh_cdb_node_key_export()
1025 	return bt_mesh_key_export(out, &node->dev_key);  in bt_mesh_cdb_node_key_export()
1030 	struct bt_mesh_cdb_app_key *key;  in bt_mesh_cdb_app_key_alloc()  local
1032 	int i;  in bt_mesh_cdb_app_key_alloc()
1035 		key = &bt_mesh_cdb.app_keys[i];  in bt_mesh_cdb_app_key_alloc()
1037 		if (key->app_idx == app_idx) {  in bt_mesh_cdb_app_key_alloc()
1041 		if (key->net_idx != BT_MESH_KEY_UNUSED || vacant_key) {  in bt_mesh_cdb_app_key_alloc()
1045 		vacant_key = key;  in bt_mesh_cdb_app_key_alloc()
1049 		vacant_key->net_idx = net_idx;  in bt_mesh_cdb_app_key_alloc()
1050 		vacant_key->app_idx = app_idx;  in bt_mesh_cdb_app_key_alloc()
1056 void bt_mesh_cdb_app_key_del(struct bt_mesh_cdb_app_key *key, bool store)  in bt_mesh_cdb_app_key_del()  argument
1058 	LOG_DBG("AppIdx 0x%03x store %u", key->app_idx, store);  in bt_mesh_cdb_app_key_del()
1061 		update_cdb_app_key_settings(key, false);  in bt_mesh_cdb_app_key_del()
1064 	key->net_idx = BT_MESH_KEY_UNUSED;  in bt_mesh_cdb_app_key_del()
1065 	key->app_idx = BT_MESH_KEY_UNUSED;  in bt_mesh_cdb_app_key_del()
1066 	bt_mesh_key_destroy(&key->keys[0].app_key);  in bt_mesh_cdb_app_key_del()
1067 	bt_mesh_key_destroy(&key->keys[1].app_key);  in bt_mesh_cdb_app_key_del()
1068 	memset(key->keys, 0, sizeof(key->keys));  in bt_mesh_cdb_app_key_del()
1073 	int i;  in bt_mesh_cdb_app_key_get()
1076 		struct bt_mesh_cdb_app_key *key = &bt_mesh_cdb.app_keys[i];  in bt_mesh_cdb_app_key_get()  local
1078 		if (key->net_idx != BT_MESH_KEY_UNUSED &&  in bt_mesh_cdb_app_key_get()
1079 		    key->app_idx == app_idx) {  in bt_mesh_cdb_app_key_get()
1080 			return key;  in bt_mesh_cdb_app_key_get()
1087 void bt_mesh_cdb_app_key_store(const struct bt_mesh_cdb_app_key *key)  in bt_mesh_cdb_app_key_store()  argument
1090 		update_cdb_app_key_settings(key, true);  in bt_mesh_cdb_app_key_store()
1094 int bt_mesh_cdb_app_key_import(struct bt_mesh_cdb_app_key *key, int key_idx, const uint8_t in[16])  in bt_mesh_cdb_app_key_import()  argument
1096 	if (!bt_mesh_key_compare(in, &key->keys[key_idx].app_key)) {  in bt_mesh_cdb_app_key_import()
1100 	bt_mesh_key_destroy(&key->keys[key_idx].app_key);  in bt_mesh_cdb_app_key_import()
1102 	return bt_mesh_key_import(BT_MESH_KEY_TYPE_APP, in, &key->keys[key_idx].app_key);  in bt_mesh_cdb_app_key_import()
1105 int bt_mesh_cdb_app_key_export(const struct bt_mesh_cdb_app_key *key, int key_idx, uint8_t out[16])  in bt_mesh_cdb_app_key_export()  argument
1107 	return bt_mesh_key_export(out, &key->keys[key_idx].app_key);  in bt_mesh_cdb_app_key_export()
1112 	int err;  in clear_cdb_net()
1125 	int err;  in store_cdb_pending_net()
1144 	int i;  in store_cdb_pending_nodes()
1150 		if (update->addr == BT_MESH_ADDR_UNASSIGNED) {  in store_cdb_pending_nodes()
1154 		addr = update->addr;  in store_cdb_pending_nodes()
1155 		update->addr = BT_MESH_ADDR_UNASSIGNED;  in store_cdb_pending_nodes()
1157 		LOG_DBG("addr: 0x%04x, clear: %d", addr, update->clear);  in store_cdb_pending_nodes()
1159 		if (update->clear) {  in store_cdb_pending_nodes()
1176 	int i;  in store_cdb_pending_keys()
1181 		if (!update->valid) {  in store_cdb_pending_keys()
1185 		update->valid = 0U;  in store_cdb_pending_keys()
1187 		if (update->clear) {  in store_cdb_pending_keys()
1188 			if (update->app_key) {  in store_cdb_pending_keys()
1189 				clear_cdb_app_key(update->key_idx);  in store_cdb_pending_keys()
1191 				clear_cdb_subnet(update->key_idx);  in store_cdb_pending_keys()
1194 			if (update->app_key) {  in store_cdb_pending_keys()
1195 				struct bt_mesh_cdb_app_key *key;  in store_cdb_pending_keys()  local
1197 				key = bt_mesh_cdb_app_key_get(update->key_idx);  in store_cdb_pending_keys()
1198 				if (key) {  in store_cdb_pending_keys()
1199 					store_cdb_app_key(key);  in store_cdb_pending_keys()
1201 					LOG_WRN("AppKeyIndex 0x%03x not found", update->key_idx);  in store_cdb_pending_keys()
1206 				sub = bt_mesh_cdb_subnet_get(update->key_idx);  in store_cdb_pending_keys()
1210 					LOG_WRN("NetKeyIndex 0x%03x not found", update->key_idx);  in store_cdb_pending_keys()