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Bluetooth: Add confirm_hint parameter to user confirmation requests 

When accepting a pairing request which fulfills the SSP auto-accept
criteria we need to push the request all the way to the user for
confirmation. This patch adds a new hint to the user_confirm_request
management event so user space can know when to show a numeric
comparison dialog and when to show a simple yes/no confirmation dialog.

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 2011-04-28 11:28:56 -07:00 committed by Gustavo F. Padovan
parent 79c6c70cbe
commit 55bc1a378c
4 changed files with 20 additions and 4 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

3
include/net/bluetooth/hci_core.h
View File

@ -783,7 +783,8 @@ int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure);
int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value);
int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value,
u8 confirm_hint);
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);

1
include/net/bluetooth/mgmt.h
View File

@ -259,6 +259,7 @@ struct mgmt_ev_pin_code_request {
#define MGMT_EV_USER_CONFIRM_REQUEST 0x000F
struct mgmt_ev_user_confirm_request {
bdaddr_t bdaddr;
__u8 confirm_hint;
__le32 value;
} __packed;

16
net/bluetooth/hci_event.c
View File

@ -2497,7 +2497,7 @@ static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_ev_user_confirm_req *ev = (void *) skb->data;
int loc_mitm, rem_mitm;
int loc_mitm, rem_mitm, confirm_hint = 0;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
@ -2529,6 +2529,16 @@ static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
/* If no side requires MITM protection; auto-accept */
if ((!loc_mitm || conn->remote_cap == 0x03) &&
(!rem_mitm || conn->io_capability == 0x03)) {
/* If we're not the initiators request authorization to
* proceed from user space (mgmt_user_confirm with
* confirm_hint set to 1). */
if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
BT_DBG("Confirming auto-accept as acceptor");
confirm_hint = 1;
goto confirm;
}
BT_DBG("Auto-accept of user confirmation with %ums delay",
hdev->auto_accept_delay);
@ -2543,7 +2553,9 @@ static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
goto unlock;
}
mgmt_user_confirm_request(hdev->id, &ev->bdaddr, ev->passkey);
confirm:
mgmt_user_confirm_request(hdev->id, &ev->bdaddr, ev->passkey,
confirm_hint);
unlock:
hci_dev_unlock(hdev);

4
net/bluetooth/mgmt.c
View File

@ -1995,13 +1995,15 @@ int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
return err;
}
int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value)
int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value,
u8 confirm_hint)
{
struct mgmt_ev_user_confirm_request ev;
BT_DBG("hci%u", index);
bacpy(&ev.bdaddr, bdaddr);
ev.confirm_hint = confirm_hint;
put_unaligned_le32(value, &ev.value);
return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, index, &ev, sizeof(ev),