[RFC] Bluetooth: add BT_CONNINFO socketopt
From: Gustavo F. Padovan <hidden>
Date: 2011-02-15 14:01:29
Subsystem:
bluetooth subsystem, the rest · Maintainers:
Marcel Holtmann, Luiz Augusto von Dentz, Linus Torvalds
ATT needs to know to link key type before run some of it procedures. Using the socket sec_level doesn't work because the socket may not reflect the real sec_level of the link. Reported-by: Anderson Lizardo <redacted> Signed-off-by: Gustavo F. Padovan <redacted> --- include/net/bluetooth/bluetooth.h | 2 ++ net/bluetooth/l2cap_sock.c | 11 +++++++++++ 2 files changed, 13 insertions(+), 0 deletions(-)
diff --git a/include/net/bluetooth/bluetooth.h b/include/net/bluetooth/bluetooth.h
index 4375043..dea93df 100644
--- a/include/net/bluetooth/bluetooth.h
+++ b/include/net/bluetooth/bluetooth.h@@ -66,6 +66,8 @@ struct bt_security { #define BT_FLUSHABLE 8 +#define BT_CONNINFO 9 + #define BT_FLUSHABLE_OFF 0 #define BT_FLUSHABLE_ON 1
diff --git a/net/bluetooth/l2cap_sock.c b/net/bluetooth/l2cap_sock.c
index 484e717..c249617 100644
--- a/net/bluetooth/l2cap_sock.c
+++ b/net/bluetooth/l2cap_sock.c@@ -468,6 +468,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch { struct sock *sk = sock->sk; struct bt_security sec; + struct hci_conn *hconn = (void *)l2cap_pi(sk)->conn; int len, err = 0; BT_DBG("sk %p", sk);
@@ -516,6 +517,16 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch break; + case BT_CONNINFO: + if (sk->sk_state != BT_CONNECTED) { + err = -EINVAL; + break; + } + + if (put_user(hconn->sec_level, (u32 __user *) optval)) + err = -EFAULT; + break; + default: err = -ENOPROTOOPT; break;
--
1.7.4