Bluetooth: Add secure flag for mgmt_pin_code_req

Extend the mgmt_pin_code_request interface to require secure
pin code (16 digit) for authentication.

This is a kernel part of the secure pin code requirement notification
to user space agent.

Code styling fix by Johan Hedberg.

Signed-off-by: Waldemar Rymarkiewicz <waldemar.rymarkiewicz@tieto.com>
Signed-off-by: Johan Hedberg <johan.hedberg@nokia.com>
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>

4 files changed, 14 insertions, 4 deletions

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 2da2eb9f53ac..2995e2e63512 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -777,7 +777,7 @@ int mgmt_connected(u16 index, bdaddr_t *bdaddr);
 int mgmt_disconnected(u16 index, bdaddr_t *bdaddr);
 int mgmt_disconnect_failed(u16 index);
 int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status);
-int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr);
+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);
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 743440615349..0e7de636035d 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -253,6 +253,7 @@ struct mgmt_ev_connect_failed {
 #define MGMT_EV_PIN_CODE_REQUEST        0x000E
 struct mgmt_ev_pin_code_request {
         bdaddr_t bdaddr;
+        __u8 secure;
 } __packed;
 
 #define MGMT_EV_USER_CONFIRM_REQUEST    0x000F
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 9d50e90993ca..577d638600df 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -2022,8 +2022,16 @@ static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff
                 hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
                                         sizeof(ev->bdaddr), &ev->bdaddr);
 
-        if (test_bit(HCI_MGMT, &hdev->flags))
-                mgmt_pin_code_request(hdev->id, &ev->bdaddr);
+        if (test_bit(HCI_MGMT, &hdev->flags)) {
+                u8 secure;
+
+                if (conn->pending_sec_level == BT_SECURITY_HIGH)
+                        secure = 1;
+                else
+                        secure = 0;
+
+                mgmt_pin_code_request(hdev->id, &ev->bdaddr, secure);
+        }
 
         hci_dev_unlock(hdev);
 }
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 4542396fc856..a7b4937d761c 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1942,11 +1942,12 @@ int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status)
         return mgmt_event(MGMT_EV_CONNECT_FAILED, index, &ev, sizeof(ev), NULL);
 }
 
-int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr)
+int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure)
 {
         struct mgmt_ev_pin_code_request ev;
 
         bacpy(&ev.bdaddr, bdaddr);
+        ev.secure = secure;
 
         return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, index, &ev, sizeof(ev),
                                                                         NULL);