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Bluetooth: Create a unified authentication request function 

This patch adds a single function that's responsible for requesting
authentication for outgoing connections. This is preparation for the
next patch which will add automated name requests and thereby move the
authentication requests to a different location.

Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Johan Hedberg 2010-11-18 22:22:28 +02:00 committed by Gustavo F. Padovan
parent ccd556fe33
commit 392599b95d
1 changed files with 40 additions and 14 deletions
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54
net/bluetooth/hci_event.c
View File

@ -677,6 +677,29 @@ static void hci_cs_set_conn_encrypt(struct hci_dev *hdev, __u8 status)
hci_dev_unlock(hdev);
}
static int hci_request_outgoing_auth(struct hci_dev *hdev,
struct hci_conn *conn)
{
struct hci_cp_auth_requested cp;
if (conn->state != BT_CONFIG || !conn->out)
return 0;
if (conn->sec_level == BT_SECURITY_SDP)
return 0;
/* Only request authentication for SSP connections or non-SSP
* devices with sec_level HIGH */
if (!(hdev->ssp_mode > 0 && conn->ssp_mode > 0) &&
conn->sec_level != BT_SECURITY_HIGH)
return 0;
cp.handle = __cpu_to_le16(conn->handle);
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
return 1;
}
static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
{
BT_DBG("%s status 0x%x", hdev->name, status);
@ -1156,6 +1179,7 @@ static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff
{
struct hci_ev_remote_features *ev = (void *) skb->data;
struct hci_conn *conn;
int auth_requested;
BT_DBG("%s status %d", hdev->name, ev->status);
@ -1177,12 +1201,15 @@ static inline void hci_remote_features_evt(struct hci_dev *hdev, struct sk_buff
cp.page = 0x01;
hci_send_cmd(hdev, HCI_OP_READ_REMOTE_EXT_FEATURES,
sizeof(cp), &cp);
} else if (!ev->status && conn->out &&
conn->sec_level == BT_SECURITY_HIGH) {
struct hci_cp_auth_requested cp;
cp.handle = ev->handle;
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
} else {
goto unlock;
}
if (!ev->status)
auth_requested = hci_request_outgoing_auth(hdev, conn);
else
auth_requested = 0;
if (!auth_requested) {
conn->state = BT_CONNECTED;
hci_proto_connect_cfm(conn, ev->status);
hci_conn_put(conn);
@ -1640,6 +1667,7 @@ static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_b
{
struct hci_ev_remote_ext_features *ev = (void *) skb->data;
struct hci_conn *conn;
int auth_requested;
BT_DBG("%s", hdev->name);
@ -1661,14 +1689,12 @@ static inline void hci_remote_ext_features_evt(struct hci_dev *hdev, struct sk_b
if (conn->state != BT_CONFIG)
goto unlock;
if (!ev->status && hdev->ssp_mode > 0 &&
conn->ssp_mode > 0 && conn->out &&
conn->sec_level != BT_SECURITY_SDP) {
struct hci_cp_auth_requested cp;
cp.handle = ev->handle;
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED,
sizeof(cp), &cp);
} else {
if (!ev->status)
auth_requested = hci_request_outgoing_auth(hdev, conn);
else
auth_requested = 0;
if (!auth_requested) {
conn->state = BT_CONNECTED;
hci_proto_connect_cfm(conn, ev->status);
hci_conn_put(conn);