diff options
| -rw-r--r-- | include/net/bluetooth/hci_core.h | 1 | ||||
| -rw-r--r-- | net/bluetooth/af_bluetooth.c | 2 | ||||
| -rw-r--r-- | net/bluetooth/hci_conn.c | 13 | ||||
| -rw-r--r-- | net/bluetooth/l2cap.c | 15 |
4 files changed, 26 insertions, 5 deletions
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h index 5e785b968e7e..46a43b721dd6 100644 --- a/include/net/bluetooth/hci_core.h +++ b/include/net/bluetooth/hci_core.h @@ -326,6 +326,7 @@ void hci_conn_hash_flush(struct hci_dev *hdev); void hci_conn_check_pending(struct hci_dev *hdev); struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 auth_type); +int hci_conn_check_link_mode(struct hci_conn *conn); int hci_conn_auth(struct hci_conn *conn); int hci_conn_encrypt(struct hci_conn *conn); int hci_conn_change_link_key(struct hci_conn *conn); diff --git a/net/bluetooth/af_bluetooth.c b/net/bluetooth/af_bluetooth.c index 1edfdf4c095b..f6348e078aa4 100644 --- a/net/bluetooth/af_bluetooth.c +++ b/net/bluetooth/af_bluetooth.c @@ -49,7 +49,7 @@ #define BT_DBG(D...) #endif -#define VERSION "2.12" +#define VERSION "2.13" /* Bluetooth sockets */ #define BT_MAX_PROTO 8 diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c index a2f9efaa3361..b7002429f152 100644 --- a/net/bluetooth/hci_conn.c +++ b/net/bluetooth/hci_conn.c @@ -376,6 +376,19 @@ struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 } EXPORT_SYMBOL(hci_connect); +/* Check link security requirement */ +int hci_conn_check_link_mode(struct hci_conn *conn) +{ + BT_DBG("conn %p", conn); + + if (conn->ssp_mode > 0 && conn->hdev->ssp_mode > 0 && + !(conn->link_mode & HCI_LM_ENCRYPT)) + return 0; + + return 1; +} +EXPORT_SYMBOL(hci_conn_check_link_mode); + /* Authenticate remote device */ int hci_conn_auth(struct hci_conn *conn) { diff --git a/net/bluetooth/l2cap.c b/net/bluetooth/l2cap.c index a96d6de80d12..9610a9c85b98 100644 --- a/net/bluetooth/l2cap.c +++ b/net/bluetooth/l2cap.c @@ -1568,10 +1568,10 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd struct l2cap_conn_req *req = (struct l2cap_conn_req *) data; struct l2cap_conn_rsp rsp; struct sock *sk, *parent; - int result, status = 0; + int result, status = L2CAP_CS_NO_INFO; u16 dcid = 0, scid = __le16_to_cpu(req->scid); - __le16 psm = req->psm; + __le16 psm = req->psm; BT_DBG("psm 0x%2.2x scid 0x%4.4x", psm, scid); @@ -1582,6 +1582,13 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd goto sendresp; } + /* Check if the ACL is secure enough (if not SDP) */ + if (psm != cpu_to_le16(0x0001) && + !hci_conn_check_link_mode(conn->hcon)) { + result = L2CAP_CR_SEC_BLOCK; + goto response; + } + result = L2CAP_CR_NO_MEM; /* Check for backlog size */ @@ -2239,7 +2246,7 @@ static int l2cap_auth_cfm(struct hci_conn *hcon, u8 status) rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid); rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid); rsp.result = cpu_to_le16(result); - rsp.status = cpu_to_le16(0); + rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO); l2cap_send_cmd(conn, l2cap_pi(sk)->ident, L2CAP_CONN_RSP, sizeof(rsp), &rsp); } @@ -2311,7 +2318,7 @@ static int l2cap_encrypt_cfm(struct hci_conn *hcon, u8 status, u8 encrypt) rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid); rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid); rsp.result = cpu_to_le16(result); - rsp.status = cpu_to_le16(0); + rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO); l2cap_send_cmd(conn, l2cap_pi(sk)->ident, L2CAP_CONN_RSP, sizeof(rsp), &rsp); } |