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Bluetooth: Add HCI User Passkey Req Evt handling 

Some MITM scenarios require handling of the User Passkey Request event,
by querying the user, and passing the response back.

Signed-off-by: Brian Gix <bgix@codeaurora.org>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
This commit is contained in:
Brian Gix 2011-11-23 08:28:34 -08:00 committed by Gustavo F. Padovan
parent 604086b73b
commit 1143d45846
1 changed files with 58 additions and 0 deletions
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58
net/bluetooth/hci_event.c
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@ -931,6 +931,37 @@ static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
hci_dev_unlock(hdev);
}
static void hci_cc_user_passkey_reply(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->flags))
mgmt_user_passkey_reply_complete(hdev, &rp->bdaddr,
rp->status);
hci_dev_unlock(hdev);
}
static void hci_cc_user_passkey_neg_reply(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_rp_user_confirm_reply *rp = (void *) skb->data;
BT_DBG("%s status 0x%x", hdev->name, rp->status);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->flags))
mgmt_user_passkey_neg_reply_complete(hdev, &rp->bdaddr,
rp->status);
hci_dev_unlock(hdev);
}
static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
struct sk_buff *skb)
{
@ -2015,6 +2046,14 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_user_confirm_neg_reply(hdev, skb);
break;
case HCI_OP_USER_PASSKEY_REPLY:
hci_cc_user_passkey_reply(hdev, skb);
break;
case HCI_OP_USER_PASSKEY_NEG_REPLY:
hci_cc_user_passkey_neg_reply(hdev, skb);
break;
case HCI_OP_LE_SET_SCAN_ENABLE:
hci_cc_le_set_scan_enable(hdev, skb);
break;
@ -2774,6 +2813,21 @@ unlock:
hci_dev_unlock(hdev);
}
static inline void hci_user_passkey_request_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_ev_user_passkey_req *ev = (void *) skb->data;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->flags))
mgmt_user_passkey_request(hdev, &ev->bdaddr);
hci_dev_unlock(hdev);
}
static inline void hci_simple_pair_complete_evt(struct hci_dev *hdev, struct sk_buff *skb)
{
struct hci_ev_simple_pair_complete *ev = (void *) skb->data;
@ -3113,6 +3167,10 @@ void hci_event_packet(struct hci_dev *hdev, struct sk_buff *skb)
hci_user_confirm_request_evt(hdev, skb);
break;
case HCI_EV_USER_PASSKEY_REQUEST:
hci_user_passkey_request_evt(hdev, skb);
break;
case HCI_EV_SIMPLE_PAIR_COMPLETE:
hci_simple_pair_complete_evt(hdev, skb);
break;