.lock = __RW_LOCK_UNLOCKED(hci_sk_list.lock)
};
+static bool is_filtered_packet(struct sock *sk, struct sk_buff *skb)
+{
+ struct hci_filter *flt;
+ int flt_type, flt_event;
+
+ /* Apply filter */
+ flt = &hci_pi(sk)->filter;
+
+ if (bt_cb(skb)->pkt_type == HCI_VENDOR_PKT)
+ flt_type = 0;
+ else
+ flt_type = bt_cb(skb)->pkt_type & HCI_FLT_TYPE_BITS;
+
+ if (!test_bit(flt_type, &flt->type_mask))
+ return true;
+
+ /* Extra filter for event packets only */
+ if (bt_cb(skb)->pkt_type != HCI_EVENT_PKT)
+ return false;
+
+ flt_event = (*(__u8 *)skb->data & HCI_FLT_EVENT_BITS);
+
+ if (!hci_test_bit(flt_event, &flt->event_mask))
+ return true;
+
+ /* Check filter only when opcode is set */
+ if (!flt->opcode)
+ return false;
+
+ if (flt_event == HCI_EV_CMD_COMPLETE &&
+ flt->opcode != get_unaligned((__le16 *)(skb->data + 3)))
+ return true;
+
+ if (flt_event == HCI_EV_CMD_STATUS &&
+ flt->opcode != get_unaligned((__le16 *)(skb->data + 4)))
+ return true;
+
+ return false;
+}
+
/* Send frame to RAW socket */
void hci_send_to_sock(struct hci_dev *hdev, struct sk_buff *skb)
{
read_lock(&hci_sk_list.lock);
sk_for_each(sk, &hci_sk_list.head) {
- struct hci_filter *flt;
struct sk_buff *nskb;
if (sk->sk_state != BT_BOUND || hci_pi(sk)->hdev != hdev)
if (skb->sk == sk)
continue;
- if (hci_pi(sk)->channel != HCI_CHANNEL_RAW)
- continue;
-
- /* Apply filter */
- flt = &hci_pi(sk)->filter;
-
- if (!test_bit((bt_cb(skb)->pkt_type == HCI_VENDOR_PKT) ?
- 0 : (bt_cb(skb)->pkt_type & HCI_FLT_TYPE_BITS),
- &flt->type_mask))
- continue;
-
- if (bt_cb(skb)->pkt_type == HCI_EVENT_PKT) {
- int evt = (*(__u8 *)skb->data & HCI_FLT_EVENT_BITS);
-
- if (!hci_test_bit(evt, &flt->event_mask))
+ if (hci_pi(sk)->channel == HCI_CHANNEL_RAW) {
+ if (is_filtered_packet(sk, skb))
continue;
-
- if (flt->opcode &&
- ((evt == HCI_EV_CMD_COMPLETE &&
- flt->opcode !=
- get_unaligned((__le16 *)(skb->data + 3))) ||
- (evt == HCI_EV_CMD_STATUS &&
- flt->opcode !=
- get_unaligned((__le16 *)(skb->data + 4)))))
+ } else if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {
+ if (!bt_cb(skb)->incoming)
+ continue;
+ if (bt_cb(skb)->pkt_type != HCI_EVENT_PKT &&
+ bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT &&
+ bt_cb(skb)->pkt_type != HCI_SCODATA_PKT)
continue;
+ } else {
+ /* Don't send frame to other channel types */
+ continue;
}
if (!skb_copy) {
__net_timestamp(skb);
bt_cb(skb)->pkt_type = HCI_EVENT_PKT;
- skb->dev = (void *) hdev;
hci_send_to_sock(hdev, skb);
kfree_skb(skb);
}
bt_sock_unlink(&hci_sk_list, sk);
if (hdev) {
+ if (hci_pi(sk)->channel == HCI_CHANNEL_USER) {
+ mgmt_index_added(hdev);
+ clear_bit(HCI_USER_CHANNEL, &hdev->dev_flags);
+ hci_dev_close(hdev->id);
+ }
+
atomic_dec(&hdev->promisc);
hci_dev_put(hdev);
}
if (!hdev)
return -EBADFD;
+ if (test_bit(HCI_USER_CHANNEL, &hdev->dev_flags))
+ return -EBUSY;
+
+ if (hdev->dev_type != HCI_BREDR)
+ return -EOPNOTSUPP;
+
switch (cmd) {
case HCISETRAW:
if (!capable(CAP_NET_ADMIN))
if (!capable(CAP_NET_ADMIN))
return -EPERM;
return hci_sock_blacklist_del(hdev, (void __user *) arg);
-
- default:
- if (hdev->ioctl)
- return hdev->ioctl(hdev, cmd, arg);
- return -EINVAL;
}
+
+ return -ENOIOCTLCMD;
}
static int hci_sock_ioctl(struct socket *sock, unsigned int cmd,
unsigned long arg)
{
- struct sock *sk = sock->sk;
void __user *argp = (void __user *) arg;
+ struct sock *sk = sock->sk;
int err;
BT_DBG("cmd %x arg %lx", cmd, arg);
+ lock_sock(sk);
+
+ if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {
+ err = -EBADFD;
+ goto done;
+ }
+
+ release_sock(sk);
+
switch (cmd) {
case HCIGETDEVLIST:
return hci_get_dev_list(argp);
case HCIINQUIRY:
return hci_inquiry(argp);
-
- default:
- lock_sock(sk);
- err = hci_sock_bound_ioctl(sk, cmd, arg);
- release_sock(sk);
- return err;
}
+
+ lock_sock(sk);
+
+ err = hci_sock_bound_ioctl(sk, cmd, arg);
+
+done:
+ release_sock(sk);
+ return err;
}
static int hci_sock_bind(struct socket *sock, struct sockaddr *addr,
hci_pi(sk)->hdev = hdev;
break;
+ case HCI_CHANNEL_USER:
+ if (hci_pi(sk)->hdev) {
+ err = -EALREADY;
+ goto done;
+ }
+
+ if (haddr.hci_dev == HCI_DEV_NONE) {
+ err = -EINVAL;
+ goto done;
+ }
+
+ if (!capable(CAP_NET_ADMIN)) {
+ err = -EPERM;
+ goto done;
+ }
+
+ hdev = hci_dev_get(haddr.hci_dev);
+ if (!hdev) {
+ err = -ENODEV;
+ goto done;
+ }
+
+ if (test_bit(HCI_UP, &hdev->flags) ||
+ test_bit(HCI_INIT, &hdev->flags) ||
+ test_bit(HCI_SETUP, &hdev->dev_flags)) {
+ err = -EBUSY;
+ hci_dev_put(hdev);
+ goto done;
+ }
+
+ if (test_and_set_bit(HCI_USER_CHANNEL, &hdev->dev_flags)) {
+ err = -EUSERS;
+ hci_dev_put(hdev);
+ goto done;
+ }
+
+ mgmt_index_removed(hdev);
+
+ err = hci_dev_open(hdev->id);
+ if (err) {
+ clear_bit(HCI_USER_CHANNEL, &hdev->dev_flags);
+ hci_dev_put(hdev);
+ goto done;
+ }
+
+ atomic_inc(&hdev->promisc);
+
+ hci_pi(sk)->hdev = hdev;
+ break;
+
case HCI_CHANNEL_CONTROL:
if (haddr.hci_dev != HCI_DEV_NONE) {
err = -EINVAL;
{
struct sockaddr_hci *haddr = (struct sockaddr_hci *) addr;
struct sock *sk = sock->sk;
- struct hci_dev *hdev = hci_pi(sk)->hdev;
+ struct hci_dev *hdev;
+ int err = 0;
BT_DBG("sock %p sk %p", sock, sk);
- if (!hdev)
- return -EBADFD;
+ if (peer)
+ return -EOPNOTSUPP;
lock_sock(sk);
+ hdev = hci_pi(sk)->hdev;
+ if (!hdev) {
+ err = -EBADFD;
+ goto done;
+ }
+
*addr_len = sizeof(*haddr);
haddr->hci_family = AF_BLUETOOTH;
haddr->hci_dev = hdev->id;
- haddr->hci_channel= 0;
+ haddr->hci_channel= hci_pi(sk)->channel;
+done:
release_sock(sk);
- return 0;
+ return err;
}
static void hci_sock_cmsg(struct sock *sk, struct msghdr *msg,
case HCI_CHANNEL_RAW:
hci_sock_cmsg(sk, msg, skb);
break;
+ case HCI_CHANNEL_USER:
case HCI_CHANNEL_CONTROL:
case HCI_CHANNEL_MONITOR:
sock_recv_timestamp(msg, sk, skb);
switch (hci_pi(sk)->channel) {
case HCI_CHANNEL_RAW:
+ case HCI_CHANNEL_USER:
break;
case HCI_CHANNEL_CONTROL:
err = mgmt_control(sk, msg, len);
bt_cb(skb)->pkt_type = *((unsigned char *) skb->data);
skb_pull(skb, 1);
- skb->dev = (void *) hdev;
- if (bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) {
+ if (hci_pi(sk)->channel == HCI_CHANNEL_RAW &&
+ bt_cb(skb)->pkt_type == HCI_COMMAND_PKT) {
u16 opcode = get_unaligned_le16(skb->data);
u16 ogf = hci_opcode_ogf(opcode);
u16 ocf = hci_opcode_ocf(opcode);
goto drop;
}
+ if (hci_pi(sk)->channel == HCI_CHANNEL_USER &&
+ bt_cb(skb)->pkt_type != HCI_COMMAND_PKT &&
+ bt_cb(skb)->pkt_type != HCI_ACLDATA_PKT &&
+ bt_cb(skb)->pkt_type != HCI_SCODATA_PKT) {
+ err = -EINVAL;
+ goto drop;
+ }
+
skb_queue_tail(&hdev->raw_q, skb);
queue_work(hdev->workqueue, &hdev->tx_work);
}
lock_sock(sk);
if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {
- err = -EINVAL;
+ err = -EBADFD;
goto done;
}
lock_sock(sk);
if (hci_pi(sk)->channel != HCI_CHANNEL_RAW) {
- err = -EINVAL;
+ err = -EBADFD;
goto done;
}
projects / karo-tx-linux.git / blobdiff