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Diffstat (limited to 'net/bluetooth/hci_event.c')
-rw-r--r--net/bluetooth/hci_event.c71
1 files changed, 48 insertions, 23 deletions
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index af9d7f2ff8ba..4b7fc430793c 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2299,6 +2299,22 @@ static void cs_le_create_conn(struct hci_dev *hdev, bdaddr_t *peer_addr,
if (!conn)
return;
+ /* When using controller based address resolution, then the new
+ * address types 0x02 and 0x03 are used. These types need to be
+ * converted back into either public address or random address type
+ */
+ if (use_ll_privacy(hdev) &&
+ hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION)) {
+ switch (own_address_type) {
+ case ADDR_LE_DEV_PUBLIC_RESOLVED:
+ own_address_type = ADDR_LE_DEV_PUBLIC;
+ break;
+ case ADDR_LE_DEV_RANDOM_RESOLVED:
+ own_address_type = ADDR_LE_DEV_RANDOM;
+ break;
+ }
+ }
+
/* Store the initiator and responder address information which
* is needed for SMP. These values will not change during the
* lifetime of the connection.
@@ -2520,7 +2536,7 @@ static void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *skb)
BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
- if (!num_rsp)
+ if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1)
return;
if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
@@ -2700,10 +2716,10 @@ static void hci_conn_request_evt(struct hci_dev *hdev, struct sk_buff *skb)
*/
if (hci_dev_test_flag(hdev, HCI_MGMT) &&
!hci_dev_test_flag(hdev, HCI_CONNECTABLE) &&
- !hci_bdaddr_list_lookup(&hdev->whitelist, &ev->bdaddr,
- BDADDR_BREDR)) {
- hci_reject_conn(hdev, &ev->bdaddr);
- return;
+ !hci_bdaddr_list_lookup_with_flags(&hdev->whitelist, &ev->bdaddr,
+ BDADDR_BREDR)) {
+ hci_reject_conn(hdev, &ev->bdaddr);
+ return;
}
/* Connection accepted */
@@ -2828,7 +2844,7 @@ static void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
case HCI_AUTO_CONN_LINK_LOSS:
if (ev->reason != HCI_ERROR_CONNECTION_TIMEOUT)
break;
- /* Fall through */
+ fallthrough;
case HCI_AUTO_CONN_DIRECT:
case HCI_AUTO_CONN_ALWAYS:
@@ -3068,27 +3084,23 @@ static void hci_encrypt_change_evt(struct hci_dev *hdev, struct sk_buff *skb)
clear_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags);
+ /* Check link security requirements are met */
+ if (!hci_conn_check_link_mode(conn))
+ ev->status = HCI_ERROR_AUTH_FAILURE;
+
if (ev->status && conn->state == BT_CONNECTED) {
if (ev->status == HCI_ERROR_PIN_OR_KEY_MISSING)
set_bit(HCI_CONN_AUTH_FAILURE, &conn->flags);
+ /* Notify upper layers so they can cleanup before
+ * disconnecting.
+ */
+ hci_encrypt_cfm(conn, ev->status);
hci_disconnect(conn, HCI_ERROR_AUTH_FAILURE);
hci_conn_drop(conn);
goto unlock;
}
- /* In Secure Connections Only mode, do not allow any connections
- * that are not encrypted with AES-CCM using a P-256 authenticated
- * combination key.
- */
- if (hci_dev_test_flag(hdev, HCI_SC_ONLY) &&
- (!test_bit(HCI_CONN_AES_CCM, &conn->flags) ||
- conn->key_type != HCI_LK_AUTH_COMBINATION_P256)) {
- hci_connect_cfm(conn, HCI_ERROR_AUTH_FAILURE);
- hci_conn_drop(conn);
- goto unlock;
- }
-
/* Try reading the encryption key size for encrypted ACL links */
if (!ev->status && ev->encrypt && conn->type == ACL_LINK) {
struct hci_cp_read_enc_key_size cp;
@@ -4166,6 +4178,9 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
struct inquiry_info_with_rssi_and_pscan_mode *info;
info = (void *) (skb->data + 1);
+ if (skb->len < num_rsp * sizeof(*info) + 1)
+ goto unlock;
+
for (; num_rsp; num_rsp--, info++) {
u32 flags;
@@ -4187,6 +4202,9 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
} else {
struct inquiry_info_with_rssi *info = (void *) (skb->data + 1);
+ if (skb->len < num_rsp * sizeof(*info) + 1)
+ goto unlock;
+
for (; num_rsp; num_rsp--, info++) {
u32 flags;
@@ -4207,6 +4225,7 @@ static void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev,
}
}
+unlock:
hci_dev_unlock(hdev);
}
@@ -4327,7 +4346,7 @@ static void hci_sync_conn_complete_evt(struct hci_dev *hdev,
if (hci_setup_sync(conn, conn->link->handle))
goto unlock;
}
- /* fall through */
+ fallthrough;
default:
conn->state = BT_CLOSED;
@@ -4382,7 +4401,7 @@ static void hci_extended_inquiry_result_evt(struct hci_dev *hdev,
BT_DBG("%s num_rsp %d", hdev->name, num_rsp);
- if (!num_rsp)
+ if (!num_rsp || skb->len < num_rsp * sizeof(*info) + 1)
return;
if (hci_dev_test_flag(hdev, HCI_PERIODIC_INQ))
@@ -5212,6 +5231,11 @@ static void hci_le_enh_conn_complete_evt(struct hci_dev *hdev,
le16_to_cpu(ev->interval),
le16_to_cpu(ev->latency),
le16_to_cpu(ev->supervision_timeout));
+
+ if (use_ll_privacy(hdev) &&
+ hci_dev_test_flag(hdev, HCI_ENABLE_LL_PRIVACY) &&
+ hci_dev_test_flag(hdev, HCI_LL_RPA_RESOLUTION))
+ hci_req_disable_address_resolution(hdev);
}
static void hci_le_ext_adv_term_evt(struct hci_dev *hdev, struct sk_buff *skb)
@@ -5322,7 +5346,7 @@ static struct hci_conn *check_pending_le_conn(struct hci_dev *hdev,
}
conn = hci_connect_le(hdev, addr, addr_type, BT_SECURITY_LOW,
- HCI_LE_AUTOCONN_TIMEOUT, HCI_ROLE_MASTER,
+ hdev->def_le_autoconnect_timeout, HCI_ROLE_MASTER,
direct_rpa);
if (!IS_ERR(conn)) {
/* If HCI_AUTO_CONN_EXPLICIT is set, conn is already owned
@@ -5456,14 +5480,15 @@ static void process_adv_report(struct hci_dev *hdev, u8 type, bdaddr_t *bdaddr,
/* Passive scanning shouldn't trigger any device found events,
* except for devices marked as CONN_REPORT for which we do send
- * device found events.
+ * device found events, or advertisement monitoring requested.
*/
if (hdev->le_scan_type == LE_SCAN_PASSIVE) {
if (type == LE_ADV_DIRECT_IND)
return;
if (!hci_pend_le_action_lookup(&hdev->pend_le_reports,
- bdaddr, bdaddr_type))
+ bdaddr, bdaddr_type) &&
+ idr_is_empty(&hdev->adv_monitors_idr))
return;
if (type == LE_ADV_NONCONN_IND || type == LE_ADV_SCAN_IND)
generated by cgit v1.2.3 (git 2.39.1) at 2024-12-29 08:56:22 +0000