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Bluetooth: mgmt: Implement Cancel Pair Device command

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This patch implements the Cancel Pair Device command for mgmt. It's used
by user space to cancel an ongoing pairing attempt which was triggered
by the Pair Device command.

Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
Acked-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Johan Hedberg 2012-02-02 04:02:29 +02:00
parent 95947a391e
commit 28424707a2
2 changed files with 52 additions and 0 deletions
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1
include/net/bluetooth/mgmt.h
View File

@ -39,6 +39,7 @@
#define MGMT_STATUS_INVALID_PARAMS 0x0d
#define MGMT_STATUS_DISCONNECTED 0x0e
#define MGMT_STATUS_NOT_POWERED 0x0f
#define MGMT_STATUS_CANCELLED 0x10
struct mgmt_hdr {
__le16 opcode;

51
net/bluetooth/mgmt.c
View File

@ -1594,6 +1594,54 @@ unlock:
return err;
}
static int cancel_pair_device(struct sock *sk, u16 index,
unsigned char *data, u16 len)
{
struct mgmt_addr_info *addr = (void *) data;
struct hci_dev *hdev;
struct pending_cmd *cmd;
struct hci_conn *conn;
int err;
BT_DBG("");
if (len != sizeof(*addr))
return cmd_status(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE,
MGMT_STATUS_INVALID_PARAMS);
hdev = hci_dev_get(index);
if (!hdev)
return cmd_status(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE,
MGMT_STATUS_INVALID_PARAMS);
hci_dev_lock(hdev);
cmd = mgmt_pending_find(MGMT_OP_PAIR_DEVICE, hdev);
if (!cmd) {
err = cmd_status(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE,
MGMT_STATUS_INVALID_PARAMS);
goto unlock;
}
conn = cmd->user_data;
if (bacmp(&addr->bdaddr, &conn->dst) != 0) {
err = cmd_status(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE,
MGMT_STATUS_INVALID_PARAMS);
goto unlock;
}
pairing_complete(cmd, MGMT_STATUS_CANCELLED);
err = cmd_complete(sk, index, MGMT_OP_CANCEL_PAIR_DEVICE, addr,
sizeof(*addr));
unlock:
hci_dev_unlock(hdev);
hci_dev_put(hdev);
return err;
}
static int user_pairing_resp(struct sock *sk, u16 index, bdaddr_t *bdaddr,
u16 mgmt_op, u16 hci_op, __le32 passkey)
{
@ -2271,6 +2319,9 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
case MGMT_OP_PAIR_DEVICE:
err = pair_device(sk, index, buf + sizeof(*hdr), len);
break;
case MGMT_OP_CANCEL_PAIR_DEVICE:
err = cancel_pair_device(sk, index, buf + sizeof(*hdr), len);
break;
case MGMT_OP_USER_CONFIRM_REPLY:
err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len);
break;