Donate to e Foundation | Murena handsets with /e/OS | Own a part of Murena! Learn more

Commit ed1b28a4 authored by Marcel Holtmann's avatar Marcel Holtmann Committed by Johan Hedberg
Browse files

Bluetooth: Limit userspace exposure of stack internal events 



The stack internal events that are exposed to userspace should be
limited to HCI_DEV_REG, HCI_DEV_UNREG, HCI_DEV_UP and HCI_DEV_DOWN.

Signed-off-by: default avatarMarcel Holtmann <marcel@holtmann.org>
Signed-off-by: default avatarJohan Hedberg <johan.hedberg@intel.com>
parent b224d3ff

net/bluetooth/hci_sock.c

+9 −7
Original line number Diff line number Diff line
@@ -392,14 +392,12 @@ static void hci_si_event(struct hci_dev *hdev, int type, int dlen, void *data) 


void hci_sock_dev_event(struct hci_dev *hdev, int event)

{

	struct hci_ev_si_device ev;



	BT_DBG("hdev %s event %d", hdev->name, event);



	/* Send event to monitor */

	if (atomic_read(&monitor_promisc)) {

		struct sk_buff *skb;



		/* Send event to monitor */

		skb = create_monitor_event(hdev, event);

		if (skb) {

			hci_send_to_channel(HCI_CHANNEL_MONITOR, skb,
@@ -408,10 +406,14 @@ void hci_sock_dev_event(struct hci_dev *hdev, int event) 
		}

	}



	if (event <= HCI_DEV_DOWN) {

		struct hci_ev_si_device ev;



		/* Send event to sockets */

		ev.event  = event;

		ev.dev_id = hdev->id;

		hci_si_event(NULL, HCI_EV_SI_DEVICE, sizeof(ev), &ev);

	}



	if (event == HCI_DEV_UNREG) {

		struct sock *sk;