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Bluetooth: Add mgmt_auth_failed event 

To properly track bonding completion an event to indicate authentication
failure is needed. This event will be sent whenever an authentication
complete HCI event with a non-zero status comes. It will also be sent
when we're acting in acceptor role for SSP authentication in which case
the controller will send a Simple Pairing Complete event.

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 2011-02-19 12:06:00 -03:00 committed by Gustavo F. Padovan
parent ac56fb13c0
commit 2a61169209
4 changed files with 35 additions and 3 deletions
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1
include/net/bluetooth/hci_core.h
View File

@ -766,6 +766,7 @@ int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value);
int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr,
u8 status);
int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status);
/* HCI info for socket */
#define hci_pi(sk) ((struct hci_pinfo *) sk)

7
include/net/bluetooth/mgmt.h
View File

@ -264,3 +264,10 @@ struct mgmt_ev_user_confirm_request {
bdaddr_t bdaddr;
__le32 value;
} __packed;
#define MGMT_EV_AUTH_FAILED 0x0010
struct mgmt_ev_auth_failed {
__le16 index;
bdaddr_t bdaddr;
__u8 status;
} __packed;

19
net/bluetooth/hci_event.c
View File

@ -1424,8 +1424,10 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
if (!ev->status) {
conn->link_mode |= HCI_LM_AUTH;
conn->sec_level = conn->pending_sec_level;
} else
} else {
mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
conn->sec_level = BT_SECURITY_LOW;
}
clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
@ -2418,9 +2420,20 @@ static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (conn)
hci_conn_put(conn);
if (!conn)
goto unlock;
/* To avoid duplicate auth_failed events to user space we check
* the HCI_CONN_AUTH_PEND flag which will be set if we
* initiated the authentication. A traditional auth_complete
* event gets always produced as initiator and is also mapped to
* the mgmt_auth_failed event */
if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend) && ev->status != 0)
mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
hci_conn_put(conn);
unlock:
hci_dev_unlock(hdev);
}

11
net/bluetooth/mgmt.c
View File

@ -1647,3 +1647,14 @@ int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr,
return confirm_reply_complete(index, bdaddr, status,
MGMT_OP_USER_CONFIRM_NEG_REPLY);
}
int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status)
{
struct mgmt_ev_auth_failed ev;
put_unaligned_le16(index, &ev.index);
bacpy(&ev.bdaddr, bdaddr);
ev.status = status;
return mgmt_event(MGMT_EV_AUTH_FAILED, &ev, sizeof(ev), NULL);
}