4 files changed, 40 insertions, 17 deletions

diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 4b14972..f75028b 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -328,7 +328,7 @@ void hci_conn_check_pending(struct hci_dev *hdev);
 
 struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type);
 int hci_conn_check_link_mode(struct hci_conn *conn);
-int hci_conn_security(struct hci_conn *conn, __u8 sec_level);
+int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
 int hci_conn_change_link_key(struct hci_conn *conn);
 int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
 
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index 2435e83..7fc4c04 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -391,19 +391,14 @@ int hci_conn_check_link_mode(struct hci_conn *conn)
 EXPORT_SYMBOL(hci_conn_check_link_mode);
 
 /* Authenticate remote device */
-static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level)
+static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 {
 	BT_DBG("conn %p", conn);
 
-	if (sec_level > conn->sec_level)
-		conn->link_mode &= ~HCI_LM_AUTH;
-
-	conn->sec_level = sec_level;
-
-	if (sec_level == BT_SECURITY_HIGH)
-		conn->auth_type |= 0x01;
-
-	if (conn->link_mode & HCI_LM_AUTH)
+	if (sec_level > conn->sec_level) {
+		conn->sec_level = sec_level;
+		conn->auth_type = auth_type;
+	} else if (conn->link_mode & HCI_LM_AUTH)
 		return 1;
 
 	if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
@@ -417,7 +412,7 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level)
 }
 
 /* Enable security */
-int hci_conn_security(struct hci_conn *conn, __u8 sec_level)
+int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
 {
 	BT_DBG("conn %p", conn);
 
@@ -426,18 +421,18 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level)
 
 	if (sec_level == BT_SECURITY_LOW) {
 		if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0)
-			return hci_conn_auth(conn, sec_level);
+			return hci_conn_auth(conn, sec_level, auth_type);
 		else
 			return 1;
 	}
 
 	if (conn->link_mode & HCI_LM_ENCRYPT)
-		return hci_conn_auth(conn, sec_level);
+		return hci_conn_auth(conn, sec_level, auth_type);
 
 	if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
 		return 0;
 
-	if (hci_conn_auth(conn, sec_level)) {
+	if (hci_conn_auth(conn, sec_level, auth_type)) {
 		struct hci_cp_set_conn_encrypt cp;
 		cp.handle  = cpu_to_le16(conn->handle);
 		cp.encrypt = 1;
diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c
index b677af6..8a93dde 100644
--- a/net/bluetooth/l2cap.c
+++ b/net/bluetooth/l2cap.c
@@ -263,8 +263,22 @@ static void l2cap_chan_del(struct sock *sk, int err)
 static inline int l2cap_check_security(struct sock *sk)
 {
 	struct l2cap_conn *conn = l2cap_pi(sk)->conn;
+	__u8 auth_type;
+
+	switch (l2cap_pi(sk)->sec_level) {
+	case BT_SECURITY_HIGH:
+		auth_type = HCI_AT_GENERAL_BONDING_MITM;
+		break;
+	case BT_SECURITY_MEDIUM:
+		auth_type = HCI_AT_GENERAL_BONDING;
+		break;
+	default:
+		auth_type = HCI_AT_NO_BONDING;
+		break;
+	}
 
-	return hci_conn_security(conn->hcon, l2cap_pi(sk)->sec_level);
+	return hci_conn_security(conn->hcon, l2cap_pi(sk)->sec_level,
+								auth_type);
 }
 
 static inline u8 l2cap_get_ident(struct l2cap_conn *conn)
diff --git a/net/bluetooth/rfcomm/core.c b/net/bluetooth/rfcomm/core.c
index 3717c25..1828ec0 100644
--- a/net/bluetooth/rfcomm/core.c
+++ b/net/bluetooth/rfcomm/core.c
@@ -226,8 +226,22 @@ static int rfcomm_l2sock_create(struct socket **sock)
 static inline int rfcomm_check_security(struct rfcomm_dlc *d)
 {
 	struct sock *sk = d->session->sock->sk;
+	__u8 auth_type;
 
-	return hci_conn_security(l2cap_pi(sk)->conn->hcon, d->sec_level);
+	switch (d->sec_level) {
+	case BT_SECURITY_HIGH:
+		auth_type = HCI_AT_GENERAL_BONDING_MITM;
+		break;
+	case BT_SECURITY_MEDIUM:
+		auth_type = HCI_AT_GENERAL_BONDING;
+		break;
+	default:
+		auth_type = HCI_AT_NO_BONDING;
+		break;
+	}
+
+	return hci_conn_security(l2cap_pi(sk)->conn->hcon, d->sec_level,
+								auth_type);
 }
 
 /* ---- RFCOMM DLCs ---- */