diff options
| author | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-11-05 19:58:31 -0200 |
|---|---|---|
| committer | Gustavo F. Padovan <padovan@profusion.mobi> | 2011-11-10 20:25:04 -0200 |
| commit | 0bee1d60cbad24288c75573511356d450c1fd45a (patch) | |
| tree | 75a6f214b3c27e0f918c34bacdc03781ea2d79ac | |
| parent | d45fc42323b7909829b8f27f26676c675f26551f (diff) | |
Bluetooth: Allow L2CAP to increase the security level
Some incomming connections needs to increase the security level by
requesting encryption for example (HID keyboard case). This change allows
the userspace to change it through setsockopt with defer_setup enabled.
Signed-off-by: Gustavo F. Padovan <padovan@profusion.mobi>
| -rw-r--r-- | net/bluetooth/l2cap_sock.c | 16 |
1 files changed, 13 insertions, 3 deletions
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c index 567b585d980..b85e3906b3a 100644 --- a/net/bluetooth/l2cap_sock.c +++ b/net/bluetooth/l2cap_sock.c @@ -625,8 +625,13 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch chan->sec_level = sec.level; + if (!chan->conn) + break; + conn = chan->conn; - if (conn && chan->scid == L2CAP_CID_LE_DATA) { + + /*change security for LE channels */ + if (chan->scid == L2CAP_CID_LE_DATA) { if (!conn->hcon->out) { err = -EINVAL; break; @@ -634,9 +639,14 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch if (smp_conn_security(conn, sec.level)) break; - - err = 0; sk->sk_state = BT_CONFIG; + + /* or for ACL link, under defer_setup time */ + } else if (sk->sk_state == BT_CONNECT2 && + bt_sk(sk)->defer_setup) { + err = l2cap_chan_check_security(chan); + } else { + err = -EINVAL; } break; |