Commit 15cb3096 authored by John W. Linville's avatar John W. Linville
Browse files
parents 4daf50f2 55183d06
......@@ -62,6 +62,7 @@ static struct usb_device_id ath3k_table[] = {
/* Atheros AR3011 with sflash firmware*/
{ USB_DEVICE(0x0CF3, 0x3002) },
{ USB_DEVICE(0x13d3, 0x3304) },
/* Atheros AR9285 Malbec with sflash firmware */
{ USB_DEVICE(0x03F0, 0x311D) },
......
......@@ -104,6 +104,7 @@ static struct usb_device_id blacklist_table[] = {
/* Atheros 3011 with sflash firmware */
{ USB_DEVICE(0x0cf3, 0x3002), .driver_info = BTUSB_IGNORE },
{ USB_DEVICE(0x13d3, 0x3304), .driver_info = BTUSB_IGNORE },
/* Atheros AR9285 Malbec with sflash firmware */
{ USB_DEVICE(0x03f0, 0x311d), .driver_info = BTUSB_IGNORE },
......
......@@ -422,6 +422,7 @@ void hci_conn_check_pending(struct hci_dev *hdev);
struct hci_conn *hci_connect(struct hci_dev *hdev, int type, bdaddr_t *dst, __u8 sec_level, __u8 auth_type);
int hci_conn_check_link_mode(struct hci_conn *conn);
int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level);
int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type);
int hci_conn_change_link_key(struct hci_conn *conn);
int hci_conn_switch_role(struct hci_conn *conn, __u8 role);
......
......@@ -350,6 +350,7 @@ struct l2cap_chan {
struct list_head srej_l;
struct list_head list;
struct list_head global_l;
};
struct l2cap_conn {
......@@ -441,7 +442,6 @@ static inline int l2cap_tx_window_full(struct l2cap_chan *ch)
#define __is_sar_start(ctrl) (((ctrl) & L2CAP_CTRL_SAR) == L2CAP_SDU_START)
extern int disable_ertm;
extern struct bt_sock_list l2cap_sk_list;
int l2cap_init_sockets(void);
void l2cap_cleanup_sockets(void);
......@@ -458,6 +458,9 @@ void l2cap_do_send(struct l2cap_chan *chan, struct sk_buff *skb);
void l2cap_streaming_send(struct l2cap_chan *chan);
int l2cap_ertm_send(struct l2cap_chan *chan);
int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm);
int l2cap_add_scid(struct l2cap_chan *chan, __u16 scid);
void l2cap_sock_set_timer(struct sock *sk, long timeout);
void l2cap_sock_clear_timer(struct sock *sk);
void __l2cap_sock_close(struct sock *sk, int reason);
......@@ -466,9 +469,9 @@ void l2cap_sock_init(struct sock *sk, struct sock *parent);
struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock,
int proto, gfp_t prio);
void l2cap_send_disconn_req(struct l2cap_conn *conn, struct l2cap_chan *chan, int err);
struct l2cap_chan *l2cap_chan_alloc(struct sock *sk);
struct l2cap_chan *l2cap_chan_create(struct sock *sk);
void l2cap_chan_del(struct l2cap_chan *chan, int err);
void l2cap_chan_free(struct l2cap_chan *chan);
void l2cap_chan_destroy(struct l2cap_chan *chan);
int l2cap_chan_connect(struct l2cap_chan *chan);
#endif /* __L2CAP_H */
......@@ -623,6 +623,23 @@ int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
}
EXPORT_SYMBOL(hci_conn_security);
/* Check secure link requirement */
int hci_conn_check_secure(struct hci_conn *conn, __u8 sec_level)
{
BT_DBG("conn %p", conn);
if (sec_level != BT_SECURITY_HIGH)
return 1; /* Accept if non-secure is required */
if (conn->key_type == HCI_LK_AUTH_COMBINATION ||
(conn->key_type == HCI_LK_COMBINATION &&
conn->pin_length == 16))
return 1;
return 0; /* Reject not secure link */
}
EXPORT_SYMBOL(hci_conn_check_secure);
/* Change link key */
int hci_conn_change_link_key(struct hci_conn *conn)
{
......
......@@ -1440,7 +1440,7 @@ static inline void hci_disconn_complete_evt(struct hci_dev *hdev, struct sk_buff
conn->state = BT_CLOSED;
if (conn->type == ACL_LINK)
if (conn->type == ACL_LINK || conn->type == LE_LINK)
mgmt_disconnected(hdev->id, &conn->dst);
hci_proto_disconn_cfm(conn, ev->reason);
......@@ -2659,12 +2659,15 @@ static inline void hci_le_conn_complete_evt(struct hci_dev *hdev, struct sk_buff
}
if (ev->status) {
mgmt_connect_failed(hdev->id, &ev->bdaddr, ev->status);
hci_proto_connect_cfm(conn, ev->status);
conn->state = BT_CLOSED;
hci_conn_del(conn);
goto unlock;
}
mgmt_connected(hdev->id, &ev->bdaddr);
conn->handle = __le16_to_cpu(ev->handle);
conn->state = BT_CONNECTED;
......
......@@ -62,9 +62,8 @@ static u8 l2cap_fixed_chan[8] = { 0x02, };
static struct workqueue_struct *_busy_wq;
struct bt_sock_list l2cap_sk_list = {
.lock = __RW_LOCK_UNLOCKED(l2cap_sk_list.lock)
};
LIST_HEAD(chan_list);
DEFINE_RWLOCK(chan_list_lock);
static void l2cap_busy_work(struct work_struct *work);
......@@ -135,6 +134,64 @@ static inline struct l2cap_chan *l2cap_get_chan_by_ident(struct l2cap_conn *conn
return c;
}
static struct l2cap_chan *__l2cap_global_chan_by_addr(__le16 psm, bdaddr_t *src)
{
struct l2cap_chan *c;
list_for_each_entry(c, &chan_list, global_l) {
if (c->sport == psm && !bacmp(&bt_sk(c->sk)->src, src))
goto found;
}
c = NULL;
found:
return c;
}
int l2cap_add_psm(struct l2cap_chan *chan, bdaddr_t *src, __le16 psm)
{
int err;
write_lock_bh(&chan_list_lock);
if (psm && __l2cap_global_chan_by_addr(psm, src)) {
err = -EADDRINUSE;
goto done;
}
if (psm) {
chan->psm = psm;
chan->sport = psm;
err = 0;
} else {
u16 p;
err = -EINVAL;
for (p = 0x1001; p < 0x1100; p += 2)
if (!__l2cap_global_chan_by_addr(cpu_to_le16(p), src)) {
chan->psm = cpu_to_le16(p);
chan->sport = cpu_to_le16(p);
err = 0;
break;
}
}
done:
write_unlock_bh(&chan_list_lock);
return err;
}
int l2cap_add_scid(struct l2cap_chan *chan, __u16 scid)
{
write_lock_bh(&chan_list_lock);
chan->scid = scid;
write_unlock_bh(&chan_list_lock);
return 0;
}
static u16 l2cap_alloc_cid(struct l2cap_conn *conn)
{
u16 cid = L2CAP_CID_DYN_START;
......@@ -147,7 +204,7 @@ static u16 l2cap_alloc_cid(struct l2cap_conn *conn)
return 0;
}
struct l2cap_chan *l2cap_chan_alloc(struct sock *sk)
struct l2cap_chan *l2cap_chan_create(struct sock *sk)
{
struct l2cap_chan *chan;
......@@ -157,11 +214,19 @@ struct l2cap_chan *l2cap_chan_alloc(struct sock *sk)
chan->sk = sk;
write_lock_bh(&chan_list_lock);
list_add(&chan->global_l, &chan_list);
write_unlock_bh(&chan_list_lock);
return chan;
}
void l2cap_chan_free(struct l2cap_chan *chan)
void l2cap_chan_destroy(struct l2cap_chan *chan)
{
write_lock_bh(&chan_list_lock);
list_del(&chan->global_l);
write_unlock_bh(&chan_list_lock);
kfree(chan);
}
......@@ -591,48 +656,51 @@ static void l2cap_conn_start(struct l2cap_conn *conn)
/* Find socket with cid and source bdaddr.
* Returns closest match, locked.
*/
static struct sock *l2cap_get_sock_by_scid(int state, __le16 cid, bdaddr_t *src)
static struct l2cap_chan *l2cap_global_chan_by_scid(int state, __le16 cid, bdaddr_t *src)
{
struct sock *sk = NULL, *sk1 = NULL;
struct hlist_node *node;
struct l2cap_chan *c, *c1 = NULL;
read_lock(&l2cap_sk_list.lock);
read_lock(&chan_list_lock);
sk_for_each(sk, node, &l2cap_sk_list.head) {
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
list_for_each_entry(c, &chan_list, global_l) {
struct sock *sk = c->sk;
if (state && sk->sk_state != state)
continue;
if (chan->scid == cid) {
if (c->scid == cid) {
/* Exact match. */
if (!bacmp(&bt_sk(sk)->src, src))
break;
if (!bacmp(&bt_sk(sk)->src, src)) {
read_unlock(&chan_list_lock);
return c;
}
/* Closest match */
if (!bacmp(&bt_sk(sk)->src, BDADDR_ANY))
sk1 = sk;
c1 = c;
}
}
read_unlock(&l2cap_sk_list.lock);
read_unlock(&chan_list_lock);
return node ? sk : sk1;
return c1;
}
static void l2cap_le_conn_ready(struct l2cap_conn *conn)
{
struct sock *parent, *sk;
struct l2cap_chan *chan;
struct l2cap_chan *chan, *pchan;
BT_DBG("");
/* Check if we have socket listening on cid */
parent = l2cap_get_sock_by_scid(BT_LISTEN, L2CAP_CID_LE_DATA,
pchan = l2cap_global_chan_by_scid(BT_LISTEN, L2CAP_CID_LE_DATA,
conn->src);
if (!parent)
if (!pchan)
return;
parent = pchan->sk;
bh_lock_sock(parent);
/* Check for backlog size */
......@@ -645,7 +713,7 @@ static void l2cap_le_conn_ready(struct l2cap_conn *conn)
if (!sk)
goto clean;
chan = l2cap_chan_alloc(sk);
chan = l2cap_chan_create(sk);
if (!chan) {
l2cap_sock_kill(sk);
goto clean;
......@@ -823,33 +891,34 @@ static inline void l2cap_chan_add(struct l2cap_conn *conn, struct l2cap_chan *ch
/* Find socket with psm and source bdaddr.
* Returns closest match.
*/
static struct sock *l2cap_get_sock_by_psm(int state, __le16 psm, bdaddr_t *src)
static struct l2cap_chan *l2cap_global_chan_by_psm(int state, __le16 psm, bdaddr_t *src)
{
struct sock *sk = NULL, *sk1 = NULL;
struct hlist_node *node;
struct l2cap_chan *c, *c1 = NULL;
read_lock(&l2cap_sk_list.lock);
read_lock(&chan_list_lock);
sk_for_each(sk, node, &l2cap_sk_list.head) {
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
list_for_each_entry(c, &chan_list, global_l) {
struct sock *sk = c->sk;
if (state && sk->sk_state != state)
continue;
if (chan->psm == psm) {
if (c->psm == psm) {
/* Exact match. */
if (!bacmp(&bt_sk(sk)->src, src))
break;
if (!bacmp(&bt_sk(sk)->src, src)) {
read_unlock_bh(&chan_list_lock);
return c;
}
/* Closest match */
if (!bacmp(&bt_sk(sk)->src, BDADDR_ANY))
sk1 = sk;
c1 = c;
}
}
read_unlock(&l2cap_sk_list.lock);
read_unlock(&chan_list_lock);
return node ? sk : sk1;
return c1;
}
int l2cap_chan_connect(struct l2cap_chan *chan)
......@@ -2019,7 +2088,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
{
struct l2cap_conn_req *req = (struct l2cap_conn_req *) data;
struct l2cap_conn_rsp rsp;
struct l2cap_chan *chan = NULL;
struct l2cap_chan *chan = NULL, *pchan;
struct sock *parent, *sk = NULL;
int result, status = L2CAP_CS_NO_INFO;
......@@ -2029,12 +2098,14 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
BT_DBG("psm 0x%2.2x scid 0x%4.4x", psm, scid);
/* Check if we have socket listening on psm */
parent = l2cap_get_sock_by_psm(BT_LISTEN, psm, conn->src);
if (!parent) {
pchan = l2cap_global_chan_by_psm(BT_LISTEN, psm, conn->src);
if (!pchan) {
result = L2CAP_CR_BAD_PSM;
goto sendresp;
}
parent = pchan->sk;
bh_lock_sock(parent);
/* Check if the ACL is secure enough (if not SDP) */
......@@ -2057,7 +2128,7 @@ static inline int l2cap_connect_req(struct l2cap_conn *conn, struct l2cap_cmd_hd
if (!sk)
goto response;
chan = l2cap_chan_alloc(sk);
chan = l2cap_chan_create(sk);
if (!chan) {
l2cap_sock_kill(sk);
goto response;
......@@ -3685,11 +3756,14 @@ static inline int l2cap_data_channel(struct l2cap_conn *conn, u16 cid, struct sk
static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, struct sk_buff *skb)
{
struct sock *sk;
struct l2cap_chan *chan;
sk = l2cap_get_sock_by_psm(0, psm, conn->src);
if (!sk)
chan = l2cap_global_chan_by_psm(0, psm, conn->src);
if (!chan)
goto drop;
sk = chan->sk;
bh_lock_sock(sk);
BT_DBG("sk %p, len %d", sk, skb->len);
......@@ -3715,11 +3789,14 @@ static inline int l2cap_conless_channel(struct l2cap_conn *conn, __le16 psm, str
static inline int l2cap_att_channel(struct l2cap_conn *conn, __le16 cid, struct sk_buff *skb)
{
struct sock *sk;
struct l2cap_chan *chan;
sk = l2cap_get_sock_by_scid(0, cid, conn->src);
if (!sk)
chan = l2cap_global_chan_by_scid(0, cid, conn->src);
if (!chan)
goto drop;
sk = chan->sk;
bh_lock_sock(sk);
BT_DBG("sk %p, len %d", sk, skb->len);
......@@ -3786,8 +3863,7 @@ static void l2cap_recv_frame(struct l2cap_conn *conn, struct sk_buff *skb)
static int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
{
int exact = 0, lm1 = 0, lm2 = 0;
register struct sock *sk;
struct hlist_node *node;
struct l2cap_chan *c;
if (type != ACL_LINK)
return -EINVAL;
......@@ -3795,25 +3871,25 @@ static int l2cap_connect_ind(struct hci_dev *hdev, bdaddr_t *bdaddr, u8 type)
BT_DBG("hdev %s, bdaddr %s", hdev->name, batostr(bdaddr));
/* Find listening sockets and check their link_mode */
read_lock(&l2cap_sk_list.lock);
sk_for_each(sk, node, &l2cap_sk_list.head) {
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
read_lock(&chan_list_lock);
list_for_each_entry(c, &chan_list, global_l) {
struct sock *sk = c->sk;
if (sk->sk_state != BT_LISTEN)
continue;
if (!bacmp(&bt_sk(sk)->src, &hdev->bdaddr)) {
lm1 |= HCI_LM_ACCEPT;
if (chan->role_switch)
if (c->role_switch)
lm1 |= HCI_LM_MASTER;
exact++;
} else if (!bacmp(&bt_sk(sk)->src, BDADDR_ANY)) {
lm2 |= HCI_LM_ACCEPT;
if (chan->role_switch)
if (c->role_switch)
lm2 |= HCI_LM_MASTER;
}
}
read_unlock(&l2cap_sk_list.lock);
read_unlock(&chan_list_lock);
return exact ? lm1 : lm2;
}
......@@ -4066,25 +4142,22 @@ static int l2cap_recv_acldata(struct hci_conn *hcon, struct sk_buff *skb, u16 fl
static int l2cap_debugfs_show(struct seq_file *f, void *p)
{
struct sock *sk;
struct hlist_node *node;
struct l2cap_chan *c;
read_lock_bh(&l2cap_sk_list.lock);
read_lock_bh(&chan_list_lock);
sk_for_each(sk, node, &l2cap_sk_list.head) {
struct l2cap_pinfo *pi = l2cap_pi(sk);
struct l2cap_chan *chan = pi->chan;
list_for_each_entry(c, &chan_list, global_l) {
struct sock *sk = c->sk;
seq_printf(f, "%s %s %d %d 0x%4.4x 0x%4.4x %d %d %d %d\n",
batostr(&bt_sk(sk)->src),
batostr(&bt_sk(sk)->dst),
sk->sk_state, __le16_to_cpu(chan->psm),
chan->scid, chan->dcid,
chan->imtu, chan->omtu, chan->sec_level,
chan->mode);
sk->sk_state, __le16_to_cpu(c->psm),
c->scid, c->dcid, c->imtu, c->omtu,
c->sec_level, c->mode);
}
read_unlock_bh(&l2cap_sk_list.lock);
read_unlock_bh(&chan_list_lock);
return 0;
}
......
......@@ -78,22 +78,6 @@ void l2cap_sock_clear_timer(struct sock *sk)
sk_stop_timer(sk, &sk->sk_timer);
}
static struct sock *__l2cap_get_sock_by_addr(__le16 psm, bdaddr_t *src)
{
struct sock *sk;
struct hlist_node *node;
sk_for_each(sk, node, &l2cap_sk_list.head) {
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
if (chan->sport == psm && !bacmp(&bt_sk(sk)->src, src))
goto found;
}
sk = NULL;
found:
return sk;
}
static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
{
struct sock *sk = sock->sk;
......@@ -136,26 +120,20 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
}
}
write_lock_bh(&l2cap_sk_list.lock);
if (la.l2_cid)
err = l2cap_add_scid(chan, la.l2_cid);
else
err = l2cap_add_psm(chan, &la.l2_bdaddr, la.l2_psm);
if (la.l2_psm && __l2cap_get_sock_by_addr(la.l2_psm, &la.l2_bdaddr)) {
err = -EADDRINUSE;
} else {
/* Save source address */
bacpy(&bt_sk(sk)->src, &la.l2_bdaddr);
chan->psm = la.l2_psm;
chan->sport = la.l2_psm;
sk->sk_state = BT_BOUND;
if (__le16_to_cpu(la.l2_psm) == 0x0001 ||
__le16_to_cpu(la.l2_psm) == 0x0003)
chan->sec_level = BT_SECURITY_SDP;
}
if (err < 0)
goto done;
if (la.l2_cid)
chan->scid = la.l2_cid;
if (__le16_to_cpu(la.l2_psm) == 0x0001 ||
__le16_to_cpu(la.l2_psm) == 0x0003)
chan->sec_level = BT_SECURITY_SDP;
write_unlock_bh(&l2cap_sk_list.lock);
bacpy(&bt_sk(sk)->src, &la.l2_bdaddr);
sk->sk_state = BT_BOUND;
done:
release_sock(sk);
......@@ -278,28 +256,6 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
goto done;
}
if (!chan->psm && !chan->scid) {
bdaddr_t *src = &bt_sk(sk)->src;
u16 psm;
err = -EINVAL;
write_lock_bh(&l2cap_sk_list.lock);
for (psm = 0x1001; psm < 0x1100; psm += 2)
if (!__l2cap_get_sock_by_addr(cpu_to_le16(psm), src)) {
chan->psm = cpu_to_le16(psm);
chan->sport = cpu_to_le16(psm);
err = 0;
break;
}
write_unlock_bh(&l2cap_sk_list.lock);
if (err < 0)
goto done;
}
sk->sk_max_ack_backlog = backlog;
sk->sk_ack_backlog = 0;
sk->sk_state = BT_LISTEN;
......@@ -852,8 +808,7 @@ void l2cap_sock_kill(struct sock *sk)
/* Kill poor orphan */
l2cap_chan_free(l2cap_pi(sk)->chan);
bt_sock_unlink(&l2cap_sk_list, sk);
l2cap_chan_destroy(l2cap_pi(sk)->chan);
sock_set_flag(sk, SOCK_DEAD);
sock_put(sk);
}
......@@ -1069,7 +1024,6 @@ struct sock *l2cap_sock_alloc(struct net *net, struct socket *sock, int proto, g
setup_timer(&sk->sk_timer, l2cap_sock_timeout, (unsigned long) sk);
bt_sock_link(&l2cap_sk_list, sk);
return sk;
}
......@@ -1096,7 +1050,7 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
if (!sk)
return -ENOMEM;
chan = l2cap_chan_alloc(sk);
chan = l2cap_chan_create(sk);
if (!chan) {
l2cap_sock_kill(sk);
return -ENOMEM;
......
......@@ -1033,6 +1033,9 @@ static int disconnect(struct sock *sk, u16 index, unsigned char *data, u16 len)
}
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
if (!conn)
conn = hci_conn_hash_lookup_ba(hdev, LE_LINK, &cp->bdaddr);
if (!conn) {
err = cmd_status(sk, index, MGMT_OP_DISCONNECT<