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Bluetooth: Introduce a flag to track who really initiates authentication

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Even though our side requests authentication, the original action that
caused it may be remotely triggered, such as an incoming L2CAP or RFCOMM
connect request. To track this information introduce a new hci_conn flag
called HCI_CONN_AUTH_INITIATOR.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2014-07-17 15:35:39 +03:00 committed by Marcel Holtmann
parent e7cafc4525
commit 977f8fce02
3 changed files with 9 additions and 0 deletions
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1
include/net/bluetooth/hci_core.h
View File

@ -547,6 +547,7 @@ enum {
HCI_CONN_SECURE,
HCI_CONN_FIPS,
HCI_CONN_STK_ENCRYPT,
HCI_CONN_AUTH_INITIATOR,
};
static inline bool hci_conn_ssp_enabled(struct hci_conn *conn)

3
net/bluetooth/hci_conn.c
View File

@ -1027,6 +1027,9 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type,
if (test_bit(HCI_CONN_ENCRYPT_PEND, &conn->flags))
return 0;
if (initiator)
set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
if (!hci_conn_auth(conn, sec_level, auth_type))
return 0;

5
net/bluetooth/hci_event.c
View File

@ -1645,6 +1645,8 @@ static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
struct hci_cp_auth_requested auth_cp;
set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
auth_cp.handle = __cpu_to_le16(conn->handle);
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
sizeof(auth_cp), &auth_cp);
@ -2387,6 +2389,9 @@ static void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb)
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->flags)) {
struct hci_cp_auth_requested cp;
set_bit(HCI_CONN_AUTH_INITIATOR, &conn->flags);
cp.handle = __cpu_to_le16(conn->handle);
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
}