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 <anderson.lizardo@xxxxxxxxxxxxx>
Signed-off-by: Gustavo F. Padovan <padovan@xxxxxxxxxxxxxx>
---
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
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