88 lines
1.6 KiB
C
88 lines
1.6 KiB
C
/* keys_br.c - Bluetooth BR/EDR key handling */
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/*
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* Copyright (c) 2015-2016 Intel Corporation
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*
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* SPDX-License-Identifier: Apache-2.0
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*/
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#include <zephyr.h>
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#include <string.h>
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#include <sys/atomic.h>
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#include <sys/util.h>
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#include <bluetooth/bluetooth.h>
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#include <bluetooth/conn.h>
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#include <bluetooth/hci.h>
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#define BT_DBG_ENABLED IS_ENABLED(CONFIG_BT_DEBUG_KEYS)
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#define LOG_MODULE_NAME bt_keys_br
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#include "common/log.h"
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#include "hci_core.h"
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#include "keys.h"
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static struct bt_keys_link_key key_pool[CONFIG_BT_MAX_PAIRED];
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struct bt_keys_link_key *bt_keys_find_link_key(const bt_addr_t *addr)
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{
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struct bt_keys_link_key *key;
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int i;
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BT_DBG("%s", bt_addr_str(addr));
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for (i = 0; i < ARRAY_SIZE(key_pool); i++) {
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key = &key_pool[i];
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if (!bt_addr_cmp(&key->addr, addr)) {
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return key;
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}
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}
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return NULL;
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}
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struct bt_keys_link_key *bt_keys_get_link_key(const bt_addr_t *addr)
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{
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struct bt_keys_link_key *key;
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key = bt_keys_find_link_key(addr);
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if (key) {
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return key;
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}
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key = bt_keys_find_link_key(BT_ADDR_ANY);
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if (key) {
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bt_addr_copy(&key->addr, addr);
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BT_DBG("created %p for %s", key, bt_addr_str(addr));
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return key;
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}
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BT_DBG("unable to create link key for %s", bt_addr_str(addr));
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return NULL;
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}
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void bt_keys_link_key_clear(struct bt_keys_link_key *link_key)
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{
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BT_DBG("%s", bt_addr_str(&link_key->addr));
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(void)memset(link_key, 0, sizeof(*link_key));
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}
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void bt_keys_link_key_clear_addr(const bt_addr_t *addr)
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{
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struct bt_keys_link_key *key;
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if (!addr) {
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(void)memset(key_pool, 0, sizeof(key_pool));
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return;
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}
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key = bt_keys_find_link_key(addr);
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if (key) {
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bt_keys_link_key_clear(key);
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}
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}
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