struct bt_keys *bt_keys_find_irk(const bt_addr_le_t *addr)
{
int i;
BT_DBG("%s", bt_addr_le_str(addr));
if (!bt_addr_le_is_rpa(addr)) {
return NULL;
}
for (i = 0; i < ARRAY_SIZE(key_pool); i++) {
if (!(key_pool[i].keys & BT_KEYS_IRK)) {
continue;
}
if (!bt_addr_cmp((bt_addr_t *)addr->val,
&key_pool[i].irk.rpa)) {
BT_DBG("cached RPA %s for %s",
bt_addr_str(&key_pool[i].irk.rpa),
bt_addr_le_str(&key_pool[i].addr));
return &key_pool[i];
}
}
for (i = 0; i < ARRAY_SIZE(key_pool); i++) {
if (!(key_pool[i].keys & BT_KEYS_IRK)) {
continue;
}
if (bt_smp_irk_matches(key_pool[i].irk.val,
(bt_addr_t *)addr->val)) {
BT_DBG("RPA %s matches %s",
bt_addr_str(&key_pool[i].irk.rpa),
bt_addr_le_str(&key_pool[i].addr));
bt_addr_copy(&key_pool[i].irk.rpa,
(bt_addr_t *)addr->val);
return &key_pool[i];
}
}
BT_DBG("No IRK for %s", bt_addr_le_str(addr));
return NULL;
}
struct bt_conn *bt_conn_lookup_addr_br(const bt_addr_t *peer)
{
int i;
for (i = 0; i < ARRAY_SIZE(conns); i++) {
if (!atomic_get(&conns[i].ref)) {
continue;
}
if (conns[i].type != BT_CONN_TYPE_BR) {
continue;
}
if (!bt_addr_cmp(peer, &conns[i].br.dst)) {
return bt_conn_ref(&conns[i]);
}
}
return NULL;
}
struct bt_keys *bt_keys_find_link_key(const bt_addr_t *addr)
{
struct bt_keys *keys;
int i;
BT_DBG("%s", bt_addr_str(addr));
for (i = 0; i < ARRAY_SIZE(key_pool); i++) {
keys = &key_pool[i];
/*
* When both LE and BR/EDR keys are for the same device,
* the bt_addr_le_t is the public address, i.e. the same
* as the BR/EDR address.
*/
if (keys->addr.type == BT_ADDR_LE_PUBLIC &&
(keys->keys & BT_KEYS_LINK_KEY) &&
!bt_addr_cmp((const bt_addr_t *)keys->addr.val, addr)) {
return keys;
}
}
return NULL;
}
static struct bt_keys *bt_keys_get_addr_br(const bt_addr_t *addr)
{
struct bt_keys *keys;
int i;
BT_DBG("%s", bt_addr_str(addr));
for (i = 0; i < ARRAY_SIZE(key_pool); i++) {
keys = &key_pool[i];
/*
* When both LE and BR/EDR keys are for the same device,
* the bt_addr_le_t is the public address, i.e. the same
* as the BR/EDR address.
*/
if (keys->addr.type == BT_ADDR_LE_PUBLIC &&
!bt_addr_cmp((const bt_addr_t *)keys->addr.val, addr)) {
return keys;
}
/*
* BT_ADDR_LE_ANY has the same type of as BT_ADDR_LE_PUBLIC
* value. No need to make redudant comparision against
* BT_ADDR_LE_PUBLIC.
*/
if (!bt_addr_le_cmp(&keys->addr, BT_ADDR_LE_ANY)) {
bt_addr_copy((bt_addr_t *)keys->addr.val, addr);
BT_DBG("created %p for %s", keys, bt_addr_str(addr));
return keys;
}
}
BT_DBG("unable to create keys for %s", bt_addr_str(addr));
return NULL;
}
