leandrof/linux
1
0
Fork 0
forked from Minki/linux
Code Issues Pull Requests Packages Projects Releases Wiki Activity

Bluetooth: Reject incoming SCO connections without listeners

Browse Source 
All SCO and eSCO connection are auto-accepted no matter if there is a
corresponding listening socket for them. This patch changes this and
connection requests for SCO and eSCO without any socket are rejected.

Signed-off-by: Marcel Holtmann <marcel@holtmann.org>
This commit is contained in:
Marcel Holtmann 2009-01-15 21:57:02 +01:00
parent f66dc81f44
commit 71aeeaa1fd
1 changed files with 22 additions and 2 deletions
Show Stats Download Patch File Download Diff File Expand all files Collapse all files

24
net/bluetooth/sco.c
View File

@ -857,10 +857,30 @@ done:
/* ----- SCO interface with lower layer (HCI) ----- */ /* ----- SCO interface with lower layer (HCI) ----- */
static int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type) static int sco_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, __u8 type)
{ {
register struct sock *sk;
struct hlist_node *node;
int lm = 0;
if (type != SCO_LINK && type != ESCO_LINK)
return 0;
BT_DBG("hdev %s, bdaddr %s", hdev->name, batostr(bdaddr)); BT_DBG("hdev %s, bdaddr %s", hdev->name, batostr(bdaddr));
/* Always accept connection */ /* Find listening sockets */
return HCI_LM_ACCEPT; read_lock(&sco_sk_list.lock);
sk_for_each(sk, node, &sco_sk_list.head) {
if (sk->sk_state != BT_LISTEN)
continue;
if (!bacmp(&bt_sk(sk)->src, &hdev->bdaddr) ||
!bacmp(&bt_sk(sk)->src, BDADDR_ANY)) {
lm |= HCI_LM_ACCEPT;
break;
}
}
read_unlock(&sco_sk_list.lock);
return lm;
} }
static int sco_connect_cfm(struct hci_conn *hcon, __u8 status) static int sco_connect_cfm(struct hci_conn *hcon, __u8 status)