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Bluetooth: Restrict access to management interface
author
Marcel Holtmann
<marcel@holtmann.org>
Mon, 20 Feb 2012 19:54:10 +0000
(20:54 +0100)
committer
Johan Hedberg
<johan.hedberg@intel.com>
Mon, 20 Feb 2012 21:06:43 +0000
(23:06 +0200)
The management interface on the HCI control channel should be restricted
to applications with CAP_NET_ADMIN permission.
Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
Signed-off-by: Johan Hedberg <johan.hedberg@intel.com>
net/bluetooth/hci_sock.c
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diff --git
a/net/bluetooth/hci_sock.c
b/net/bluetooth/hci_sock.c
index
213697d
..
8c429a1
100644
(file)
--- a/
net/bluetooth/hci_sock.c
+++ b/
net/bluetooth/hci_sock.c
@@
-656,6
+656,11
@@
static int hci_sock_bind(struct socket *sock, struct sockaddr *addr, int addr_le
goto done;
}
+ if (!capable(CAP_NET_ADMIN)) {
+ err = -EPERM;
+ goto done;
+ }
+
set_bit(HCI_PI_MGMT_INIT, &hci_pi(sk)->flags);
break;