* [PATCH 1/5] Bluetooth: Check SOL_HCI for raw socket options
@ 2016-08-27 18:23 Marcel Holtmann
2016-08-27 19:35 ` Johan Hedberg
0 siblings, 1 reply; 2+ messages in thread
From: Marcel Holtmann @ 2016-08-27 18:23 UTC (permalink / raw)
To: linux-bluetooth
The SOL_HCI level should be enforced when using socket options on the
HCI raw socket interface.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
---
net/bluetooth/hci_sock.c | 6 ++++++
1 file changed, 6 insertions(+)
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index 96f04b7b9556..99dd1503ef56 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -1440,6 +1440,9 @@ static int hci_sock_setsockopt(struct socket *sock, int level, int optname,
BT_DBG("sk %p, opt %d", sk, optname);
+ if (level != SOL_HCI)
+ return -ENOPROTOOPT;
+
lock_sock(sk);
if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {
@@ -1523,6 +1526,9 @@ static int hci_sock_getsockopt(struct socket *sock, int level, int optname,
BT_DBG("sk %p, opt %d", sk, optname);
+ if (level != SOL_HCI)
+ return -ENOPROTOOPT;
+
if (get_user(len, optlen))
return -EFAULT;
--
2.7.4
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