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Bluetooth: SMP: Give security changed when rejecting LTK

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Give the security changed callback when the peripheral initiated
security request and peer attempted to encrypt the connection but no LTK
match was found.

Signed-off-by: Joakim Andersson <joakim.andersson@nordicsemi.no>
This commit is contained in:
Joakim Andersson 2019-08-22 14:20:56 +02:00 • committed by Carles Cufí
commit 05354129e7
3 changed files with 19 additions and 0 deletions
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1
subsys/bluetooth/host/hci_core.c
View file

@ -3248,6 +3248,7 @@ static void le_ltk_request(struct net_buf *buf)
#endif /* !CONFIG_BT_SMP_SC_PAIR_ONLY */
le_ltk_neg_reply(evt->handle);
bt_smp_keys_reject(conn);
done:
bt_conn_unref(conn);

17
subsys/bluetooth/host/smp.c
View file

@ -5000,6 +5000,23 @@ bool bt_smp_keys_check(struct bt_conn *conn)
return true;
}
void bt_smp_keys_reject(struct bt_conn *conn)
{
struct bt_smp *smp;
smp = smp_chan_get(conn);
if (!smp) {
return;
}
if (atomic_test_bit(smp->flags, SMP_FLAG_SEC_REQ)) {
bt_conn_security_changed(smp->chan.chan.conn,
BT_SECURITY_ERR_PIN_OR_KEY_MISSING);
}
smp_reset(smp);
}
static int bt_smp_accept(struct bt_conn *conn, struct bt_l2cap_chan **chan)
{
int i;

1
subsys/bluetooth/host/smp.h
View file

@ -128,6 +128,7 @@ int bt_smp_send_security_req(struct bt_conn *conn);
void bt_smp_update_keys(struct bt_conn *conn);
bool bt_smp_get_tk(struct bt_conn *conn, u8_t *tk);
bool bt_smp_keys_check(struct bt_conn *conn);
void bt_smp_keys_reject(struct bt_conn *conn);
int bt_smp_br_send_pairing_req(struct bt_conn *conn);