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Diffstat (limited to 'net/bluetooth/hci_conn.c')
-rw-r--r--net/bluetooth/hci_conn.c45
1 files changed, 30 insertions, 15 deletions
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index a4a789f24c8d..98f97a1e9bbb 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -325,7 +325,7 @@ EXPORT_SYMBOL(hci_get_route);
/* Create SCO or ACL connection.
* Device _must_ be locked */
-struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 auth_type)
+struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type)
{
struct hci_conn *acl;
struct hci_conn *sco;
@@ -340,6 +340,7 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8
hci_conn_hold(acl);
if (acl->state == BT_OPEN || acl->state == BT_CLOSED) {
+ acl->sec_level = sec_level;
acl->auth_type = auth_type;
hci_acl_connect(acl);
}
@@ -385,16 +386,17 @@ int hci_conn_check_link_mode(struct hci_conn *conn)
EXPORT_SYMBOL(hci_conn_check_link_mode);
/* Authenticate remote device */
-int hci_conn_auth(struct hci_conn *conn)
+static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level)
{
BT_DBG("conn %p", conn);
- if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0) {
- if (!(conn->auth_type & 0x01)) {
- conn->auth_type |= 0x01;
- conn->link_mode &= ~HCI_LM_AUTH;
- }
- }
+ 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)
return 1;
@@ -405,31 +407,42 @@ int hci_conn_auth(struct hci_conn *conn)
hci_send_cmd(conn->hdev, HCI_OP_AUTH_REQUESTED,
sizeof(cp), &cp);
}
+
return 0;
}
-EXPORT_SYMBOL(hci_conn_auth);
-/* Enable encryption */
-int hci_conn_encrypt(struct hci_conn *conn)
+/* Enable security */
+int hci_conn_security(struct hci_conn *conn, __u8 sec_level)
{
BT_DBG("conn %p", conn);
+ if (sec_level == BT_SECURITY_SDP)
+ return 1;
+
+ if (sec_level == BT_SECURITY_LOW) {
+ if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0)
+ return hci_conn_auth(conn, sec_level);
+ else
+ return 1;
+ }
+
if (conn->link_mode & HCI_LM_ENCRYPT)
- return hci_conn_auth(conn);
+ return hci_conn_auth(conn, sec_level);
if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
return 0;
- if (hci_conn_auth(conn)) {
+ if (hci_conn_auth(conn, sec_level)) {
struct hci_cp_set_conn_encrypt cp;
cp.handle = cpu_to_le16(conn->handle);
cp.encrypt = 1;
hci_send_cmd(conn->hdev, HCI_OP_SET_CONN_ENCRYPT,
sizeof(cp), &cp);
}
+
return 0;
}
-EXPORT_SYMBOL(hci_conn_encrypt);
+EXPORT_SYMBOL(hci_conn_security);
/* Change link key */
int hci_conn_change_link_key(struct hci_conn *conn)
@@ -442,12 +455,13 @@ int hci_conn_change_link_key(struct hci_conn *conn)
hci_send_cmd(conn->hdev, HCI_OP_CHANGE_CONN_LINK_KEY,
sizeof(cp), &cp);
}
+
return 0;
}
EXPORT_SYMBOL(hci_conn_change_link_key);
/* Switch role */
-int hci_conn_switch_role(struct hci_conn *conn, uint8_t role)
+int hci_conn_switch_role(struct hci_conn *conn, __u8 role)
{
BT_DBG("conn %p", conn);
@@ -460,6 +474,7 @@ int hci_conn_switch_role(struct hci_conn *conn, uint8_t role)
cp.role = role;
hci_send_cmd(conn->hdev, HCI_OP_SWITCH_ROLE, sizeof(cp), &cp);
}
+
return 0;
}
EXPORT_SYMBOL(hci_conn_switch_role);