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Merge branch 'master' of git://git.kernel.org/pub/scm/linux/kernel/git/padovan/bluetooth-next-2.6

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This commit is contained in:
John W. Linville 2011-04-29 15:28:49 -04:00
commit dee04cac28
15 changed files with 906 additions and 503 deletions
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9
include/net/bluetooth/hci.h
View File

@ -246,6 +246,15 @@ enum {
#define HCI_AT_GENERAL_BONDING 0x04
#define HCI_AT_GENERAL_BONDING_MITM 0x05
/* Link Key types */
#define HCI_LK_COMBINATION 0x00
#define HCI_LK_LOCAL_UNIT 0x01
#define HCI_LK_REMOTE_UNIT 0x02
#define HCI_LK_DEBUG_COMBINATION 0x03
#define HCI_LK_UNAUTH_COMBINATION 0x04
#define HCI_LK_AUTH_COMBINATION 0x05
#define HCI_LK_CHANGED_COMBINATION 0x06
/* ----- HCI Commands ---- */
#define HCI_OP_NOP 0x0000

16
include/net/bluetooth/hci_core.h
View File

@ -126,6 +126,8 @@ struct hci_dev {
__u16 sniff_min_interval;
__u16 sniff_max_interval;
unsigned int auto_accept_delay;
unsigned long quirks;
atomic_t cmd_cnt;
@ -226,6 +228,7 @@ struct hci_conn {
__u16 pkt_type;
__u16 link_policy;
__u32 link_mode;
__u8 key_type;
__u8 auth_type;
__u8 sec_level;
__u8 pending_sec_level;
@ -245,6 +248,7 @@ struct hci_conn {
struct timer_list disc_timer;
struct timer_list idle_timer;
struct timer_list auto_accept_timer;
struct work_struct work_add;
struct work_struct work_del;
@ -511,8 +515,8 @@ int hci_uuids_clear(struct hci_dev *hdev);
int hci_link_keys_clear(struct hci_dev *hdev);
struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
int hci_add_link_key(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
u8 *key, u8 type, u8 pin_len);
int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len);
int hci_remove_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr);
int hci_remote_oob_data_clear(struct hci_dev *hdev);
@ -771,15 +775,16 @@ int mgmt_index_removed(u16 index);
int mgmt_powered(u16 index, u8 powered);
int mgmt_discoverable(u16 index, u8 discoverable);
int mgmt_connectable(u16 index, u8 connectable);
int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type);
int mgmt_new_key(u16 index, struct link_key *key, u8 persistent);
int mgmt_connected(u16 index, bdaddr_t *bdaddr);
int mgmt_disconnected(u16 index, bdaddr_t *bdaddr);
int mgmt_disconnect_failed(u16 index);
int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr);
int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure);
int mgmt_pin_code_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value);
int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value,
u8 confirm_hint);
int mgmt_user_confirm_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status);
int mgmt_user_confirm_neg_reply_complete(u16 index, bdaddr_t *bdaddr,
u8 status);
@ -790,6 +795,7 @@ int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
u8 *eir);
int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name);
int mgmt_discovering(u16 index, u8 discovering);
/* HCI info for socket */
#define hci_pi(sk) ((struct hci_pinfo *) sk)

69
include/net/bluetooth/l2cap.h
View File

@ -284,6 +284,25 @@ struct srej_list {
struct l2cap_chan {
struct sock *sk;
struct l2cap_conn *conn;
__le16 psm;
__u16 dcid;
__u16 scid;
__u16 imtu;
__u16 omtu;
__u16 flush_to;
__u8 mode;
__le16 sport;
__u8 sec_level;
__u8 role_switch;
__u8 force_reliable;
__u8 flushable;
__u8 ident;
__u8 conf_req[64];
@ -291,6 +310,15 @@ struct l2cap_chan {
__u8 num_conf_req;
__u8 num_conf_rsp;
__u8 fcs;
__u8 tx_win;
__u8 max_tx;
__u16 retrans_timeout;
__u16 monitor_timeout;
__u16 mps;
__u8 conf_state;
__u16 conn_state;
__u8 next_tx_seq;
@ -360,32 +388,6 @@ struct l2cap_conn {
struct l2cap_pinfo {
struct bt_sock bt;
__le16 psm;
__u16 dcid;
__u16 scid;
__u16 imtu;
__u16 omtu;
__u16 flush_to;
__u8 mode;
__u8 fcs;
__u8 sec_level;
__u8 role_switch;
__u8 force_reliable;
__u8 flushable;
__u8 conf_state;
__u8 tx_win;
__u8 max_tx;
__u16 retrans_timeout;
__u16 monitor_timeout;
__u16 mps;
__le16 sport;
struct l2cap_conn *conn;
struct l2cap_chan *chan;
};
@ -439,21 +441,20 @@ 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 const struct proto_ops l2cap_sock_ops;
extern struct bt_sock_list l2cap_sk_list;
int l2cap_init_sockets(void);
void l2cap_cleanup_sockets(void);
void l2cap_send_cmd(struct l2cap_conn *conn, u8 ident, u8 code, u16 len, void *data);
void __l2cap_connect_rsp_defer(struct sock *sk);
void __l2cap_connect_rsp_defer(struct l2cap_chan *chan);
int __l2cap_wait_ack(struct sock *sk);
struct sk_buff *l2cap_create_connless_pdu(struct sock *sk, struct msghdr *msg, size_t len);
struct sk_buff *l2cap_create_basic_pdu(struct sock *sk, struct msghdr *msg, size_t len);
struct sk_buff *l2cap_create_iframe_pdu(struct sock *sk, struct msghdr *msg, size_t len, u16 control, u16 sdulen);
struct sk_buff *l2cap_create_connless_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
struct sk_buff *l2cap_create_basic_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len, u16 control, u16 sdulen);
int l2cap_sar_segment_sdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len);
void l2cap_do_send(struct sock *sk, struct sk_buff *skb);
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);
@ -465,7 +466,9 @@ 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);
void l2cap_chan_del(struct l2cap_chan *chan, int err);
int l2cap_do_connect(struct sock *sk);
void l2cap_chan_free(struct l2cap_chan *chan);
int l2cap_chan_connect(struct l2cap_chan *chan);
#endif /* __L2CAP_H */

10
include/net/bluetooth/mgmt.h
View File

@ -195,6 +195,10 @@ struct mgmt_cp_remove_remote_oob_data {
bdaddr_t bdaddr;
} __packed;
#define MGMT_OP_START_DISCOVERY 0x001B
#define MGMT_OP_STOP_DISCOVERY 0x001C
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;
@ -226,8 +230,8 @@ struct mgmt_ev_controller_error {
#define MGMT_EV_NEW_KEY 0x000A
struct mgmt_ev_new_key {
__u8 store_hint;
struct mgmt_key_info key;
__u8 old_key_type;
} __packed;
#define MGMT_EV_CONNECTED 0x000B
@ -249,11 +253,13 @@ struct mgmt_ev_connect_failed {
#define MGMT_EV_PIN_CODE_REQUEST 0x000E
struct mgmt_ev_pin_code_request {
bdaddr_t bdaddr;
__u8 secure;
} __packed;
#define MGMT_EV_USER_CONFIRM_REQUEST 0x000F
struct mgmt_ev_user_confirm_request {
bdaddr_t bdaddr;
__u8 confirm_hint;
__le32 value;
} __packed;
@ -281,3 +287,5 @@ struct mgmt_ev_remote_name {
bdaddr_t bdaddr;
__u8 name[MGMT_MAX_NAME_LENGTH];
} __packed;
#define MGMT_EV_DISCOVERING 0x0014

3
net/bluetooth/cmtp/core.c
View File

@ -346,7 +346,8 @@ int cmtp_add_connection(struct cmtp_connadd_req *req, struct socket *sock)
bacpy(&session->bdaddr, &bt_sk(sock->sk)->dst);
session->mtu = min_t(uint, l2cap_pi(sock->sk)->omtu, l2cap_pi(sock->sk)->imtu);
session->mtu = min_t(uint, l2cap_pi(sock->sk)->chan->omtu,
l2cap_pi(sock->sk)->chan->imtu);
BT_DBG("mtu %d", session->mtu);

76
net/bluetooth/hci_conn.c
View File

@ -269,6 +269,19 @@ static void hci_conn_idle(unsigned long arg)
hci_conn_enter_sniff_mode(conn);
}
static void hci_conn_auto_accept(unsigned long arg)
{
struct hci_conn *conn = (void *) arg;
struct hci_dev *hdev = conn->hdev;
hci_dev_lock(hdev);
hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY, sizeof(conn->dst),
&conn->dst);
hci_dev_unlock(hdev);
}
struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
{
struct hci_conn *conn;
@ -287,6 +300,7 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
conn->auth_type = HCI_AT_GENERAL_BONDING;
conn->io_capability = hdev->io_capability;
conn->remote_auth = 0xff;
conn->key_type = 0xff;
conn->power_save = 1;
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
@ -311,6 +325,8 @@ struct hci_conn *hci_conn_add(struct hci_dev *hdev, int type, bdaddr_t *dst)
setup_timer(&conn->disc_timer, hci_conn_timeout, (unsigned long)conn);
setup_timer(&conn->idle_timer, hci_conn_idle, (unsigned long)conn);
setup_timer(&conn->auto_accept_timer, hci_conn_auto_accept,
(unsigned long) conn);
atomic_set(&conn->refcnt, 0);
@ -341,6 +357,8 @@ int hci_conn_del(struct hci_conn *conn)
del_timer(&conn->disc_timer);
del_timer(&conn->auto_accept_timer);
if (conn->type == ACL_LINK) {
struct hci_conn *sco = conn->link;
if (sco)
@ -535,32 +553,72 @@ static int hci_conn_auth(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
return 0;
}
/* Encrypt the the link */
static void hci_conn_encrypt(struct hci_conn *conn)
{
BT_DBG("conn %p", conn);
if (!test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend)) {
struct hci_cp_set_conn_encrypt cp;
cp.handle = cpu_to_le16(conn->handle);
cp.encrypt = 0x01;
hci_send_cmd(conn->hdev, HCI_OP_SET_CONN_ENCRYPT, sizeof(cp),
&cp);
}
}
/* Enable security */
int hci_conn_security(struct hci_conn *conn, __u8 sec_level, __u8 auth_type)
{
BT_DBG("conn %p", conn);
/* For sdp we don't need the link key. */
if (sec_level == BT_SECURITY_SDP)
return 1;
/* For non 2.1 devices and low security level we don't need the link
key. */
if (sec_level == BT_SECURITY_LOW &&
(!conn->ssp_mode || !conn->hdev->ssp_mode))
return 1;
if (conn->link_mode & HCI_LM_ENCRYPT)
return hci_conn_auth(conn, sec_level, auth_type);
/* For other security levels we need the link key. */
if (!(conn->link_mode & HCI_LM_AUTH))
goto auth;
/* An authenticated combination key has sufficient security for any
security level. */
if (conn->key_type == HCI_LK_AUTH_COMBINATION)
goto encrypt;
/* An unauthenticated combination key has sufficient security for
security level 1 and 2. */
if (conn->key_type == HCI_LK_UNAUTH_COMBINATION &&
(sec_level == BT_SECURITY_MEDIUM ||
sec_level == BT_SECURITY_LOW))
goto encrypt;
/* A combination key has always sufficient security for the security
levels 1 or 2. High security level requires the combination key
is generated using maximum PIN code length (16).
For pre 2.1 units. */
if (conn->key_type == HCI_LK_COMBINATION &&
(sec_level != BT_SECURITY_HIGH ||
conn->pin_length == 16))
goto encrypt;
auth:
if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &conn->pend))
return 0;
if (hci_conn_auth(conn, sec_level, auth_type)) {
struct hci_cp_set_conn_encrypt cp;
cp.handle = cpu_to_le16(conn->handle);
cp.encrypt = 1;
hci_send_cmd(conn->hdev, HCI_OP_SET_CONN_ENCRYPT,
sizeof(cp), &cp);
}
hci_conn_auth(conn, sec_level, auth_type);
return 0;
encrypt:
if (conn->link_mode & HCI_LM_ENCRYPT)
return 1;
hci_conn_encrypt(conn);
return 0;
}
EXPORT_SYMBOL(hci_conn_security);

75
net/bluetooth/hci_core.c
View File

@ -1020,18 +1020,54 @@ struct link_key *hci_find_link_key(struct hci_dev *hdev, bdaddr_t *bdaddr)
return NULL;
}
int hci_add_link_key(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
u8 *val, u8 type, u8 pin_len)
static int hci_persistent_key(struct hci_dev *hdev, struct hci_conn *conn,
u8 key_type, u8 old_key_type)
{
/* Legacy key */
if (key_type < 0x03)
return 1;
/* Debug keys are insecure so don't store them persistently */
if (key_type == HCI_LK_DEBUG_COMBINATION)
return 0;
/* Changed combination key and there's no previous one */
if (key_type == HCI_LK_CHANGED_COMBINATION && old_key_type == 0xff)
return 0;
/* Security mode 3 case */
if (!conn)
return 1;
/* Neither local nor remote side had no-bonding as requirement */
if (conn->auth_type > 0x01 && conn->remote_auth > 0x01)
return 1;
/* Local side had dedicated bonding as requirement */
if (conn->auth_type == 0x02 || conn->auth_type == 0x03)
return 1;
/* Remote side had dedicated bonding as requirement */
if (conn->remote_auth == 0x02 || conn->remote_auth == 0x03)
return 1;
/* If none of the above criteria match, then don't store the key
* persistently */
return 0;
}
int hci_add_link_key(struct hci_dev *hdev, struct hci_conn *conn, int new_key,
bdaddr_t *bdaddr, u8 *val, u8 type, u8 pin_len)
{
struct link_key *key, *old_key;
u8 old_key_type;
u8 old_key_type, persistent;
old_key = hci_find_link_key(hdev, bdaddr);
if (old_key) {
old_key_type = old_key->type;
key = old_key;
} else {
old_key_type = 0xff;
old_key_type = conn ? conn->key_type : 0xff;
key = kzalloc(sizeof(*key), GFP_ATOMIC);
if (!key)
return -ENOMEM;
@ -1040,16 +1076,37 @@ int hci_add_link_key(struct hci_dev *hdev, int new_key, bdaddr_t *bdaddr,
BT_DBG("%s key for %s type %u", hdev->name, batostr(bdaddr), type);
/* Some buggy controller combinations generate a changed
* combination key for legacy pairing even when there's no
* previous key */
if (type == HCI_LK_CHANGED_COMBINATION &&
(!conn || conn->remote_auth == 0xff) &&
old_key_type == 0xff) {
type = HCI_LK_COMBINATION;
if (conn)
conn->key_type = type;
}
bacpy(&key->bdaddr, bdaddr);
memcpy(key->val, val, 16);
key->type = type;
key->pin_len = pin_len;
if (new_key)
mgmt_new_key(hdev->id, key, old_key_type);
if (type == 0x06)
if (type == HCI_LK_CHANGED_COMBINATION)
key->type = old_key_type;
else
key->type = type;
if (!new_key)
return 0;
persistent = hci_persistent_key(hdev, conn, type, old_key_type);
mgmt_new_key(hdev->id, key, persistent);
if (!persistent) {
list_del(&key->list);
kfree(key);
}
return 0;
}

163
net/bluetooth/hci_event.c
View File

@ -56,7 +56,9 @@ static void hci_cc_inquiry_cancel(struct hci_dev *hdev, struct sk_buff *skb)
if (status)
return;
clear_bit(HCI_INQUIRY, &hdev->flags);
if (test_bit(HCI_MGMT, &hdev->flags) &&
test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
mgmt_discovering(hdev->id, 0);
hci_req_complete(hdev, HCI_OP_INQUIRY_CANCEL, status);
@ -72,7 +74,9 @@ static void hci_cc_exit_periodic_inq(struct hci_dev *hdev, struct sk_buff *skb)
if (status)
return;
clear_bit(HCI_INQUIRY, &hdev->flags);
if (test_bit(HCI_MGMT, &hdev->flags) &&
test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
mgmt_discovering(hdev->id, 0);
hci_conn_check_pending(hdev);
}
@ -841,10 +845,14 @@ static inline void hci_cs_inquiry(struct hci_dev *hdev, __u8 status)
if (status) {
hci_req_complete(hdev, HCI_OP_INQUIRY, status);
hci_conn_check_pending(hdev);
} else
set_bit(HCI_INQUIRY, &hdev->flags);
return;
}
if (test_bit(HCI_MGMT, &hdev->flags) &&
!test_and_set_bit(HCI_INQUIRY,
&hdev->flags))
mgmt_discovering(hdev->id, 1);
}
static inline void hci_cs_create_conn(struct hci_dev *hdev, __u8 status)
@ -1013,12 +1021,19 @@ static void hci_cs_remote_name_req(struct hci_dev *hdev, __u8 status)
hci_dev_lock(hdev);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &cp->bdaddr);
if (conn && hci_outgoing_auth_needed(hdev, conn)) {
if (!conn)
goto unlock;
if (!hci_outgoing_auth_needed(hdev, conn))
goto unlock;
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
struct hci_cp_auth_requested cp;
cp.handle = __cpu_to_le16(conn->handle);
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
}
unlock:
hci_dev_unlock(hdev);
}
@ -1208,7 +1223,9 @@ static inline void hci_inquiry_complete_evt(struct hci_dev *hdev, struct sk_buff
BT_DBG("%s status %d", hdev->name, status);
clear_bit(HCI_INQUIRY, &hdev->flags);
if (test_bit(HCI_MGMT, &hdev->flags) &&
test_and_clear_bit(HCI_INQUIRY, &hdev->flags))
mgmt_discovering(hdev->id, 0);
hci_req_complete(hdev, HCI_OP_INQUIRY, status);
@ -1228,6 +1245,12 @@ static inline void hci_inquiry_result_evt(struct hci_dev *hdev, struct sk_buff *
hci_dev_lock(hdev);
if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) {
if (test_bit(HCI_MGMT, &hdev->flags))
mgmt_discovering(hdev->id, 1);
}
for (; num_rsp; num_rsp--, info++) {
bacpy(&data.bdaddr, &info->bdaddr);
data.pscan_rep_mode = info->pscan_rep_mode;
@ -1443,7 +1466,6 @@ static inline void hci_auth_complete_evt(struct hci_dev *hdev, struct sk_buff *s
conn->sec_level = conn->pending_sec_level;
} else {
mgmt_auth_failed(hdev->id, &conn->dst, ev->status);
conn->sec_level = BT_SECURITY_LOW;
}
clear_bit(HCI_CONN_AUTH_PEND, &conn->pend);
@ -1501,12 +1523,19 @@ static inline void hci_remote_name_evt(struct hci_dev *hdev, struct sk_buff *skb
mgmt_remote_name(hdev->id, &ev->bdaddr, ev->name);
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (conn && hci_outgoing_auth_needed(hdev, conn)) {
if (!conn)
goto unlock;
if (!hci_outgoing_auth_needed(hdev, conn))
goto unlock;
if (!test_and_set_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
struct hci_cp_auth_requested cp;
cp.handle = __cpu_to_le16(conn->handle);
hci_send_cmd(hdev, HCI_OP_AUTH_REQUESTED, sizeof(cp), &cp);
}
unlock:
hci_dev_unlock(hdev);
}
@ -2006,9 +2035,16 @@ static inline void hci_pin_code_request_evt(struct hci_dev *hdev, struct sk_buff
if (!test_bit(HCI_PAIRABLE, &hdev->flags))
hci_send_cmd(hdev, HCI_OP_PIN_CODE_NEG_REPLY,
sizeof(ev->bdaddr), &ev->bdaddr);
else if (test_bit(HCI_MGMT, &hdev->flags)) {
u8 secure;
if (test_bit(HCI_MGMT, &hdev->flags))
mgmt_pin_code_request(hdev->id, &ev->bdaddr);
if (conn->pending_sec_level == BT_SECURITY_HIGH)
secure = 1;
else
secure = 0;
mgmt_pin_code_request(hdev->id, &ev->bdaddr, secure);
}
hci_dev_unlock(hdev);
}
@ -2037,17 +2073,30 @@ static inline void hci_link_key_request_evt(struct hci_dev *hdev, struct sk_buff
BT_DBG("%s found key type %u for %s", hdev->name, key->type,
batostr(&ev->bdaddr));
if (!test_bit(HCI_DEBUG_KEYS, &hdev->flags) && key->type == 0x03) {
if (!test_bit(HCI_DEBUG_KEYS, &hdev->flags) &&
key->type == HCI_LK_DEBUG_COMBINATION) {
BT_DBG("%s ignoring debug key", hdev->name);
goto not_found;
}
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (conn) {
if (key->type == HCI_LK_UNAUTH_COMBINATION &&
conn->auth_type != 0xff &&
(conn->auth_type & 0x01)) {
BT_DBG("%s ignoring unauthenticated key", hdev->name);
goto not_found;
}
if (key->type == 0x04 && conn && conn->auth_type != 0xff &&
(conn->auth_type & 0x01)) {
BT_DBG("%s ignoring unauthenticated key", hdev->name);
goto not_found;
if (key->type == HCI_LK_COMBINATION && key->pin_len < 16 &&
conn->pending_sec_level == BT_SECURITY_HIGH) {
BT_DBG("%s ignoring key unauthenticated for high \
security", hdev->name);
goto not_found;
}
conn->key_type = key->type;
conn->pin_length = key->pin_len;
}
bacpy(&cp.bdaddr, &ev->bdaddr);
@ -2079,11 +2128,15 @@ static inline void hci_link_key_notify_evt(struct hci_dev *hdev, struct sk_buff
hci_conn_hold(conn);
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
pin_len = conn->pin_length;
if (ev->key_type != HCI_LK_CHANGED_COMBINATION)
conn->key_type = ev->key_type;
hci_conn_put(conn);
}
if (test_bit(HCI_LINK_KEYS, &hdev->flags))
hci_add_link_key(hdev, 1, &ev->bdaddr, ev->link_key,
hci_add_link_key(hdev, conn, 1, &ev->bdaddr, ev->link_key,
ev->key_type, pin_len);
hci_dev_unlock(hdev);
@ -2158,6 +2211,12 @@ static inline void hci_inquiry_result_with_rssi_evt(struct hci_dev *hdev, struct
hci_dev_lock(hdev);
if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) {
if (test_bit(HCI_MGMT, &hdev->flags))
mgmt_discovering(hdev->id, 1);
}
if ((skb->len - 1) / num_rsp != sizeof(struct inquiry_info_with_rssi)) {
struct inquiry_info_with_rssi_and_pscan_mode *info;
info = (void *) (skb->data + 1);
@ -2320,6 +2379,12 @@ static inline void hci_extended_inquiry_result_evt(struct hci_dev *hdev, struct
if (!num_rsp)
return;
if (!test_and_set_bit(HCI_INQUIRY, &hdev->flags)) {
if (test_bit(HCI_MGMT, &hdev->flags))
mgmt_discovering(hdev->id, 1);
}
hci_dev_lock(hdev);
for (; num_rsp; num_rsp--, info++) {
@ -2353,7 +2418,7 @@ static inline u8 hci_get_auth_req(struct hci_conn *conn)
/* If remote requests no-bonding follow that lead */
if (conn->remote_auth == 0x00 || conn->remote_auth == 0x01)
return 0x00;
return conn->remote_auth | (conn->auth_type & 0x01);
return conn->auth_type;
}
@ -2382,7 +2447,8 @@ static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff
bacpy(&cp.bdaddr, &ev->bdaddr);
cp.capability = conn->io_capability;
cp.authentication = hci_get_auth_req(conn);
conn->auth_type = hci_get_auth_req(conn);
cp.authentication = conn->auth_type;
if ((conn->out == 0x01 || conn->remote_oob == 0x01) &&
hci_find_remote_oob_data(hdev, &conn->dst))
@ -2396,7 +2462,7 @@ static inline void hci_io_capa_request_evt(struct hci_dev *hdev, struct sk_buff
struct hci_cp_io_capability_neg_reply cp;
bacpy(&cp.bdaddr, &ev->bdaddr);
cp.reason = 0x16; /* Pairing not allowed */
cp.reason = 0x18; /* Pairing not allowed */
hci_send_cmd(hdev, HCI_OP_IO_CAPABILITY_NEG_REPLY,
sizeof(cp), &cp);
@ -2431,14 +2497,67 @@ static inline void hci_user_confirm_request_evt(struct hci_dev *hdev,
struct sk_buff *skb)
{
struct hci_ev_user_confirm_req *ev = (void *) skb->data;
int loc_mitm, rem_mitm, confirm_hint = 0;
struct hci_conn *conn;
BT_DBG("%s", hdev->name);
hci_dev_lock(hdev);
if (test_bit(HCI_MGMT, &hdev->flags))
mgmt_user_confirm_request(hdev->id, &ev->bdaddr, ev->passkey);
if (!test_bit(HCI_MGMT, &hdev->flags))
goto unlock;
conn = hci_conn_hash_lookup_ba(hdev, ACL_LINK, &ev->bdaddr);
if (!conn)
goto unlock;
loc_mitm = (conn->auth_type & 0x01);
rem_mitm = (conn->remote_auth & 0x01);
/* If we require MITM but the remote device can't provide that
* (it has NoInputNoOutput) then reject the confirmation
* request. The only exception is when we're dedicated bonding
* initiators (connect_cfm_cb set) since then we always have the MITM
* bit set. */
if (!conn->connect_cfm_cb && loc_mitm && conn->remote_cap == 0x03) {
BT_DBG("Rejecting request: remote device can't provide MITM");
hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_NEG_REPLY,
sizeof(ev->bdaddr), &ev->bdaddr);
goto unlock;
}
/* If no side requires MITM protection; auto-accept */
if ((!loc_mitm || conn->remote_cap == 0x03) &&
(!rem_mitm || conn->io_capability == 0x03)) {
/* If we're not the initiators request authorization to
* proceed from user space (mgmt_user_confirm with
* confirm_hint set to 1). */
if (!test_bit(HCI_CONN_AUTH_PEND, &conn->pend)) {
BT_DBG("Confirming auto-accept as acceptor");
confirm_hint = 1;
goto confirm;
}
BT_DBG("Auto-accept of user confirmation with %ums delay",
hdev->auto_accept_delay);
if (hdev->auto_accept_delay > 0) {
int delay = msecs_to_jiffies(hdev->auto_accept_delay);
mod_timer(&conn->auto_accept_timer, jiffies + delay);
goto unlock;
}
hci_send_cmd(hdev, HCI_OP_USER_CONFIRM_REPLY,
sizeof(ev->bdaddr), &ev->bdaddr);
goto unlock;
}
confirm:
mgmt_user_confirm_request(hdev->id, &ev->bdaddr, ev->passkey,
confirm_hint);
unlock:
hci_dev_unlock(hdev);
}

31
net/bluetooth/hci_sysfs.c
View File

@ -511,6 +511,35 @@ static const struct file_operations uuids_fops = {
.release = single_release,
};
static int auto_accept_delay_set(void *data, u64 val)
{
struct hci_dev *hdev = data;
hci_dev_lock_bh(hdev);
hdev->auto_accept_delay = val;
hci_dev_unlock_bh(hdev);
return 0;
}
static int auto_accept_delay_get(void *data, u64 *val)
{
struct hci_dev *hdev = data;
hci_dev_lock_bh(hdev);
*val = hdev->auto_accept_delay;
hci_dev_unlock_bh(hdev);
return 0;
}
DEFINE_SIMPLE_ATTRIBUTE(auto_accept_delay_fops, auto_accept_delay_get,
auto_accept_delay_set, "%llu\n");
int hci_register_sysfs(struct hci_dev *hdev)
{
struct device *dev = &hdev->dev;
@ -545,6 +574,8 @@ int hci_register_sysfs(struct hci_dev *hdev)
debugfs_create_file("uuids", 0444, hdev->debugfs, hdev, &uuids_fops);
debugfs_create_file("auto_accept_delay", 0444, hdev->debugfs, hdev,
&auto_accept_delay_fops);
return 0;
}

6
net/bluetooth/hidp/core.c
View File

@ -979,8 +979,10 @@ int hidp_add_connection(struct hidp_connadd_req *req, struct socket *ctrl_sock,
bacpy(&session->bdaddr, &bt_sk(ctrl_sock->sk)->dst);
session->ctrl_mtu = min_t(uint, l2cap_pi(ctrl_sock->sk)->omtu, l2cap_pi(ctrl_sock->sk)->imtu);
session->intr_mtu = min_t(uint, l2cap_pi(intr_sock->sk)->omtu, l2cap_pi(intr_sock->sk)->imtu);
session->ctrl_mtu = min_t(uint, l2cap_pi(ctrl_sock->sk)->chan->omtu,
l2cap_pi(ctrl_sock->sk)->chan->imtu);
session->intr_mtu = min_t(uint, l2cap_pi(intr_sock->sk)->chan->omtu,
l2cap_pi(intr_sock->sk)->chan->imtu);
BT_DBG("ctrl mtu %d intr mtu %d", session->ctrl_mtu, session->intr_mtu);

588
net/bluetooth/l2cap_core.c
View File

File diff suppressed because it is too large Load Diff

242
net/bluetooth/l2cap_sock.c
View File

@ -30,6 +30,8 @@
#include <net/bluetooth/hci_core.h>
#include <net/bluetooth/l2cap.h>
static const struct proto_ops l2cap_sock_ops;
/* ---- L2CAP timers ---- */
static void l2cap_sock_timeout(unsigned long arg)
{
@ -51,7 +53,7 @@ static void l2cap_sock_timeout(unsigned long arg)
if (sk->sk_state == BT_CONNECTED || sk->sk_state == BT_CONFIG)
reason = ECONNREFUSED;
else if (sk->sk_state == BT_CONNECT &&
l2cap_pi(sk)->sec_level != BT_SECURITY_SDP)
l2cap_pi(sk)->chan->sec_level != BT_SECURITY_SDP)
reason = ECONNREFUSED;
else
reason = ETIMEDOUT;
@ -80,9 +82,13 @@ 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)
if (l2cap_pi(sk)->sport == psm && !bacmp(&bt_sk(sk)->src, src))
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;
@ -91,6 +97,7 @@ found:
static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct sockaddr_l2 la;
int len, err = 0;
@ -136,17 +143,17 @@ static int l2cap_sock_bind(struct socket *sock, struct sockaddr *addr, int alen)
} else {
/* Save source address */
bacpy(&bt_sk(sk)->src, &la.l2_bdaddr);
l2cap_pi(sk)->psm = la.l2_psm;
l2cap_pi(sk)->sport = la.l2_psm;
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)
l2cap_pi(sk)->sec_level = BT_SECURITY_SDP;
chan->sec_level = BT_SECURITY_SDP;
}
if (la.l2_cid)
l2cap_pi(sk)->scid = la.l2_cid;
chan->scid = la.l2_cid;
write_unlock_bh(&l2cap_sk_list.lock);
@ -158,6 +165,7 @@ done:
static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int alen, int flags)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct sockaddr_l2 la;
int len, err = 0;
@ -182,7 +190,7 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
goto done;
}
switch (l2cap_pi(sk)->mode) {
switch (chan->mode) {
case L2CAP_MODE_BASIC:
break;
case L2CAP_MODE_ERTM:
@ -226,10 +234,10 @@ static int l2cap_sock_connect(struct socket *sock, struct sockaddr *addr, int al
/* Set destination address and psm */
bacpy(&bt_sk(sk)->dst, &la.l2_bdaddr);
l2cap_pi(sk)->psm = la.l2_psm;
l2cap_pi(sk)->dcid = la.l2_cid;
chan->psm = la.l2_psm;
chan->dcid = la.l2_cid;
err = l2cap_do_connect(sk);
err = l2cap_chan_connect(l2cap_pi(sk)->chan);
if (err)
goto done;
@ -244,6 +252,7 @@ done:
static int l2cap_sock_listen(struct socket *sock, int backlog)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
int err = 0;
BT_DBG("sk %p backlog %d", sk, backlog);
@ -256,7 +265,7 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
goto done;
}
switch (l2cap_pi(sk)->mode) {
switch (chan->mode) {
case L2CAP_MODE_BASIC:
break;
case L2CAP_MODE_ERTM:
@ -269,7 +278,7 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
goto done;
}
if (!l2cap_pi(sk)->psm && !l2cap_pi(sk)->scid) {
if (!chan->psm && !chan->scid) {
bdaddr_t *src = &bt_sk(sk)->src;
u16 psm;
@ -279,8 +288,8 @@ static int l2cap_sock_listen(struct socket *sock, int backlog)
for (psm = 0x1001; psm < 0x1100; psm += 2)
if (!__l2cap_get_sock_by_addr(cpu_to_le16(psm), src)) {
l2cap_pi(sk)->psm = cpu_to_le16(psm);
l2cap_pi(sk)->sport = cpu_to_le16(psm);
chan->psm = cpu_to_le16(psm);
chan->sport = cpu_to_le16(psm);
err = 0;
break;
}
@ -360,6 +369,7 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l
{
struct sockaddr_l2 *la = (struct sockaddr_l2 *) addr;
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
BT_DBG("sock %p, sk %p", sock, sk);
@ -367,13 +377,13 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l
*len = sizeof(struct sockaddr_l2);
if (peer) {
la->l2_psm = l2cap_pi(sk)->psm;
la->l2_psm = chan->psm;
bacpy(&la->l2_bdaddr, &bt_sk(sk)->dst);
la->l2_cid = cpu_to_le16(l2cap_pi(sk)->dcid);
la->l2_cid = cpu_to_le16(chan->dcid);
} else {
la->l2_psm = l2cap_pi(sk)->sport;
la->l2_psm = chan->sport;
bacpy(&la->l2_bdaddr, &bt_sk(sk)->src);
la->l2_cid = cpu_to_le16(l2cap_pi(sk)->scid);
la->l2_cid = cpu_to_le16(chan->scid);
}
return 0;
@ -382,6 +392,7 @@ static int l2cap_sock_getname(struct socket *sock, struct sockaddr *addr, int *l
static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct l2cap_options opts;
struct l2cap_conninfo cinfo;
int len, err = 0;
@ -397,13 +408,13 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
switch (optname) {
case L2CAP_OPTIONS:
memset(&opts, 0, sizeof(opts));
opts.imtu = l2cap_pi(sk)->imtu;
opts.omtu = l2cap_pi(sk)->omtu;
opts.flush_to = l2cap_pi(sk)->flush_to;
opts.mode = l2cap_pi(sk)->mode;
opts.fcs = l2cap_pi(sk)->fcs;
opts.max_tx = l2cap_pi(sk)->max_tx;
opts.txwin_size = (__u16)l2cap_pi(sk)->tx_win;
opts.imtu = chan->imtu;
opts.omtu = chan->omtu;
opts.flush_to = chan->flush_to;
opts.mode = chan->mode;
opts.fcs = chan->fcs;
opts.max_tx = chan->max_tx;
opts.txwin_size = (__u16)chan->tx_win;
len = min_t(unsigned int, len, sizeof(opts));
if (copy_to_user(optval, (char *) &opts, len))
@ -412,7 +423,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
break;
case L2CAP_LM:
switch (l2cap_pi(sk)->sec_level) {
switch (chan->sec_level) {
case BT_SECURITY_LOW:
opt = L2CAP_LM_AUTH;
break;
@ -428,10 +439,10 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
break;
}
if (l2cap_pi(sk)->role_switch)
if (chan->role_switch)
opt |= L2CAP_LM_MASTER;
if (l2cap_pi(sk)->force_reliable)
if (chan->force_reliable)
opt |= L2CAP_LM_RELIABLE;
if (put_user(opt, (u32 __user *) optval))
@ -446,8 +457,8 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
break;
}
cinfo.hci_handle = l2cap_pi(sk)->conn->hcon->handle;
memcpy(cinfo.dev_class, l2cap_pi(sk)->conn->hcon->dev_class, 3);
cinfo.hci_handle = chan->conn->hcon->handle;
memcpy(cinfo.dev_class, chan->conn->hcon->dev_class, 3);
len = min_t(unsigned int, len, sizeof(cinfo));
if (copy_to_user(optval, (char *) &cinfo, len))
@ -467,6 +478,7 @@ static int l2cap_sock_getsockopt_old(struct socket *sock, int optname, char __us
static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, char __user *optval, int __user *optlen)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct bt_security sec;
int len, err = 0;
@ -491,7 +503,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
break;
}
sec.level = l2cap_pi(sk)->sec_level;
sec.level = chan->sec_level;
len = min_t(unsigned int, len, sizeof(sec));
if (copy_to_user(optval, (char *) &sec, len))
@ -511,7 +523,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
break;
case BT_FLUSHABLE:
if (put_user(l2cap_pi(sk)->flushable, (u32 __user *) optval))
if (put_user(chan->flushable, (u32 __user *) optval))
err = -EFAULT;
break;
@ -528,6 +540,7 @@ static int l2cap_sock_getsockopt(struct socket *sock, int level, int optname, ch
static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct l2cap_options opts;
int len, err = 0;
u32 opt;
@ -543,13 +556,13 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
break;
}
opts.imtu = l2cap_pi(sk)->imtu;
opts.omtu = l2cap_pi(sk)->omtu;
opts.flush_to = l2cap_pi(sk)->flush_to;
opts.mode = l2cap_pi(sk)->mode;
opts.fcs = l2cap_pi(sk)->fcs;
opts.max_tx = l2cap_pi(sk)->max_tx;
opts.txwin_size = (__u16)l2cap_pi(sk)->tx_win;
opts.imtu = chan->imtu;
opts.omtu = chan->omtu;
opts.flush_to = chan->flush_to;
opts.mode = chan->mode;
opts.fcs = chan->fcs;
opts.max_tx = chan->max_tx;
opts.txwin_size = (__u16)chan->tx_win;
len = min_t(unsigned int, sizeof(opts), optlen);
if (copy_from_user((char *) &opts, optval, len)) {
@ -562,10 +575,10 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
break;
}
l2cap_pi(sk)->mode = opts.mode;
switch (l2cap_pi(sk)->mode) {
chan->mode = opts.mode;
switch (chan->mode) {
case L2CAP_MODE_BASIC:
l2cap_pi(sk)->conf_state &= ~L2CAP_CONF_STATE2_DEVICE;
chan->conf_state &= ~L2CAP_CONF_STATE2_DEVICE;
break;
case L2CAP_MODE_ERTM:
case L2CAP_MODE_STREAMING:
@ -577,11 +590,11 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
break;
}
l2cap_pi(sk)->imtu = opts.imtu;
l2cap_pi(sk)->omtu = opts.omtu;
l2cap_pi(sk)->fcs = opts.fcs;
l2cap_pi(sk)->max_tx = opts.max_tx;
l2cap_pi(sk)->tx_win = (__u8)opts.txwin_size;
chan->imtu = opts.imtu;
chan->omtu = opts.omtu;
chan->fcs = opts.fcs;
chan->max_tx = opts.max_tx;
chan->tx_win = (__u8)opts.txwin_size;
break;
case L2CAP_LM:
@ -591,14 +604,14 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
}
if (opt & L2CAP_LM_AUTH)
l2cap_pi(sk)->sec_level = BT_SECURITY_LOW;
chan->sec_level = BT_SECURITY_LOW;
if (opt & L2CAP_LM_ENCRYPT)
l2cap_pi(sk)->sec_level = BT_SECURITY_MEDIUM;
chan->sec_level = BT_SECURITY_MEDIUM;
if (opt & L2CAP_LM_SECURE)
l2cap_pi(sk)->sec_level = BT_SECURITY_HIGH;
chan->sec_level = BT_SECURITY_HIGH;
l2cap_pi(sk)->role_switch = (opt & L2CAP_LM_MASTER);
l2cap_pi(sk)->force_reliable = (opt & L2CAP_LM_RELIABLE);
chan->role_switch = (opt & L2CAP_LM_MASTER);
chan->force_reliable = (opt & L2CAP_LM_RELIABLE);
break;
default:
@ -613,6 +626,7 @@ static int l2cap_sock_setsockopt_old(struct socket *sock, int optname, char __us
static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, char __user *optval, unsigned int optlen)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct bt_security sec;
int len, err = 0;
u32 opt;
@ -649,7 +663,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
break;
}
l2cap_pi(sk)->sec_level = sec.level;
chan->sec_level = sec.level;
break;
case BT_DEFER_SETUP:
@ -678,7 +692,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
}
if (opt == BT_FLUSHABLE_OFF) {
struct l2cap_conn *conn = l2cap_pi(sk)->conn;
struct l2cap_conn *conn = chan->conn;
/* proceed futher only when we have l2cap_conn and
No Flush support in the LM */
if (!conn || !lmp_no_flush_capable(conn->hcon->hdev)) {
@ -687,7 +701,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
}
}
l2cap_pi(sk)->flushable = opt;
chan->flushable = opt;
break;
default:
@ -702,7 +716,7 @@ static int l2cap_sock_setsockopt(struct socket *sock, int level, int optname, ch
static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct msghdr *msg, size_t len)
{
struct sock *sk = sock->sk;
struct l2cap_pinfo *pi = l2cap_pi(sk);
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct sk_buff *skb;
u16 control;
int err;
@ -725,76 +739,77 @@ static int l2cap_sock_sendmsg(struct kiocb *iocb, struct socket *sock, struct ms
/* Connectionless channel */
if (sk->sk_type == SOCK_DGRAM) {
skb = l2cap_create_connless_pdu(sk, msg, len);
skb = l2cap_create_connless_pdu(chan, msg, len);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
} else {
l2cap_do_send(sk, skb);
l2cap_do_send(chan, skb);
err = len;
}
goto done;
}
switch (pi->mode) {
switch (chan->mode) {
case L2CAP_MODE_BASIC:
/* Check outgoing MTU */
if (len > pi->omtu) {
if (len > chan->omtu) {
err = -EMSGSIZE;
goto done;
}
/* Create a basic PDU */
skb = l2cap_create_basic_pdu(sk, msg, len);
skb = l2cap_create_basic_pdu(chan, msg, len);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
goto done;
}
l2cap_do_send(sk, skb);
l2cap_do_send(chan, skb);
err = len;
break;
case L2CAP_MODE_ERTM:
case L2CAP_MODE_STREAMING:
/* Entire SDU fits into one PDU */
if (len <= pi->chan->remote_mps) {
if (len <= chan->remote_mps) {
control = L2CAP_SDU_UNSEGMENTED;
skb = l2cap_create_iframe_pdu(sk, msg, len, control, 0);
skb = l2cap_create_iframe_pdu(chan, msg, len, control,
0);
if (IS_ERR(skb)) {
err = PTR_ERR(skb);
goto done;
}
__skb_queue_tail(&pi->chan->tx_q, skb);
__skb_queue_tail(&chan->tx_q, skb);
if (pi->chan->tx_send_head == NULL)
pi->chan->tx_send_head = skb;
if (chan->tx_send_head == NULL)
chan->tx_send_head = skb;
} else {
/* Segment SDU into multiples PDUs */
err = l2cap_sar_segment_sdu(pi->chan, msg, len);
err = l2cap_sar_segment_sdu(chan, msg, len);
if (err < 0)
goto done;
}
if (pi->mode == L2CAP_MODE_STREAMING) {
l2cap_streaming_send(pi->chan);
if (chan->mode == L2CAP_MODE_STREAMING) {
l2cap_streaming_send(chan);
err = len;
break;
}
if ((pi->chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
(pi->chan->conn_state & L2CAP_CONN_WAIT_F)) {
if ((chan->conn_state & L2CAP_CONN_REMOTE_BUSY) &&
(chan->conn_state & L2CAP_CONN_WAIT_F)) {
err = len;
break;
}
err = l2cap_ertm_send(pi->chan);
err = l2cap_ertm_send(chan);
if (err >= 0)
err = len;
break;
default:
BT_DBG("bad state %1.1x", pi->mode);
BT_DBG("bad state %1.1x", chan->mode);
err = -EBADFD;
}
@ -810,7 +825,9 @@ static int l2cap_sock_recvmsg(struct kiocb *iocb, struct socket *sock, struct ms
lock_sock(sk);
if (sk->sk_state == BT_CONNECT2 && bt_sk(sk)->defer_setup) {
__l2cap_connect_rsp_defer(sk);
sk->sk_state = BT_CONFIG;
__l2cap_connect_rsp_defer(l2cap_pi(sk)->chan);
release_sock(sk);
return 0;
}
@ -834,6 +851,8 @@ void l2cap_sock_kill(struct sock *sk)
BT_DBG("sk %p state %d", sk, sk->sk_state);
/* Kill poor orphan */
l2cap_chan_free(l2cap_pi(sk)->chan);
bt_sock_unlink(&l2cap_sk_list, sk);
sock_set_flag(sk, SOCK_DEAD);
sock_put(sk);
@ -865,8 +884,8 @@ static void l2cap_sock_cleanup_listen(struct sock *parent)
void __l2cap_sock_close(struct sock *sk, int reason)
{
struct l2cap_conn *conn = l2cap_pi(sk)->conn;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
struct l2cap_conn *conn = chan->conn;
BT_DBG("sk %p state %d socket %p", sk, sk->sk_state, sk->sk_socket);
@ -898,8 +917,8 @@ void __l2cap_sock_close(struct sock *sk, int reason)
else
result = L2CAP_CR_BAD_PSM;
rsp.scid = cpu_to_le16(l2cap_pi(sk)->dcid);
rsp.dcid = cpu_to_le16(l2cap_pi(sk)->scid);
rsp.scid = cpu_to_le16(chan->dcid);
rsp.dcid = cpu_to_le16(chan->scid);
rsp.result = cpu_to_le16(result);
rsp.status = cpu_to_le16(L2CAP_CS_NO_INFO);
l2cap_send_cmd(conn, chan->ident, L2CAP_CONN_RSP,
@ -923,6 +942,7 @@ void __l2cap_sock_close(struct sock *sk, int reason)
static int l2cap_sock_shutdown(struct socket *sock, int how)
{
struct sock *sk = sock->sk;
struct l2cap_chan *chan = l2cap_pi(sk)->chan;
int err = 0;
BT_DBG("sock %p, sk %p", sock, sk);
@ -932,7 +952,7 @@ static int l2cap_sock_shutdown(struct socket *sock, int how)
lock_sock(sk);
if (!sk->sk_shutdown) {
if (l2cap_pi(sk)->mode == L2CAP_MODE_ERTM)
if (chan->mode == L2CAP_MODE_ERTM)
err = __l2cap_wait_ack(sk);
sk->sk_shutdown = SHUTDOWN_MASK;
@ -979,44 +999,47 @@ static void l2cap_sock_destruct(struct sock *sk)
void l2cap_sock_init(struct sock *sk, struct sock *parent)
{
struct l2cap_pinfo *pi = l2cap_pi(sk);
struct l2cap_chan *chan = pi->chan;
BT_DBG("sk %p", sk);
if (parent) {
struct l2cap_chan *pchan = l2cap_pi(parent)->chan;
sk->sk_type = parent->sk_type;
bt_sk(sk)->defer_setup = bt_sk(parent)->defer_setup;
pi->imtu = l2cap_pi(parent)->imtu;
pi->omtu = l2cap_pi(parent)->omtu;
pi->conf_state = l2cap_pi(parent)->conf_state;
pi->mode = l2cap_pi(parent)->mode;
pi->fcs = l2cap_pi(parent)->fcs;
pi->max_tx = l2cap_pi(parent)->max_tx;
pi->tx_win = l2cap_pi(parent)->tx_win;
pi->sec_level = l2cap_pi(parent)->sec_level;
pi->role_switch = l2cap_pi(parent)->role_switch;
pi->force_reliable = l2cap_pi(parent)->force_reliable;
pi->flushable = l2cap_pi(parent)->flushable;
chan->imtu = pchan->imtu;
chan->omtu = pchan->omtu;
chan->conf_state = pchan->conf_state;
chan->mode = pchan->mode;
chan->fcs = pchan->fcs;
chan->max_tx = pchan->max_tx;
chan->tx_win = pchan->tx_win;
chan->sec_level = pchan->sec_level;
chan->role_switch = pchan->role_switch;
chan->force_reliable = pchan->force_reliable;
chan->flushable = pchan->flushable;
} else {
pi->imtu = L2CAP_DEFAULT_MTU;
pi->omtu = 0;
chan->imtu = L2CAP_DEFAULT_MTU;
chan->omtu = 0;
if (!disable_ertm && sk->sk_type == SOCK_STREAM) {
pi->mode = L2CAP_MODE_ERTM;
pi->conf_state |= L2CAP_CONF_STATE2_DEVICE;
chan->mode = L2CAP_MODE_ERTM;
chan->conf_state |= L2CAP_CONF_STATE2_DEVICE;
} else {
pi->mode = L2CAP_MODE_BASIC;
chan->mode = L2CAP_MODE_BASIC;
}
pi->max_tx = L2CAP_DEFAULT_MAX_TX;
pi->fcs = L2CAP_FCS_CRC16;
pi->tx_win = L2CAP_DEFAULT_TX_WINDOW;
pi->sec_level = BT_SECURITY_LOW;
pi->role_switch = 0;
pi->force_reliable = 0;
pi->flushable = BT_FLUSHABLE_OFF;
chan->max_tx = L2CAP_DEFAULT_MAX_TX;
chan->fcs = L2CAP_FCS_CRC16;
chan->tx_win = L2CAP_DEFAULT_TX_WINDOW;
chan->sec_level = BT_SECURITY_LOW;
chan->role_switch = 0;
chan->force_reliable = 0;
chan->flushable = BT_FLUSHABLE_OFF;
}
/* Default config options */
pi->flush_to = L2CAP_DEFAULT_FLUSH_TO;
chan->flush_to = L2CAP_DEFAULT_FLUSH_TO;
}
static struct proto l2cap_proto = {
@ -1054,6 +1077,7 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
int kern)
{
struct sock *sk;
struct l2cap_chan *chan;
BT_DBG("sock %p", sock);
@ -1072,11 +1096,19 @@ static int l2cap_sock_create(struct net *net, struct socket *sock, int protocol,
if (!sk)
return -ENOMEM;
chan = l2cap_chan_alloc(sk);
if (!chan) {
l2cap_sock_kill(sk);
return -ENOMEM;
}
l2cap_pi(sk)->chan = chan;
l2cap_sock_init(sk, NULL);
return 0;
}
const struct proto_ops l2cap_sock_ops = {
static const struct proto_ops l2cap_sock_ops = {
.family = PF_BLUETOOTH,
.owner = THIS_MODULE,
.release = l2cap_sock_release,

95
net/bluetooth/mgmt.c
View File

@ -945,7 +945,7 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
for (i = 0; i < key_count; i++) {
struct mgmt_key_info *key = &cp->keys[i];
hci_add_link_key(hdev, 0, &key->bdaddr, key->val, key->type,
hci_add_link_key(hdev, NULL, 0, &key->bdaddr, key->val, key->type,
key->pin_len);
}
@ -1569,6 +1569,75 @@ static int remove_remote_oob_data(struct sock *sk, u16 index,
return err;
}
static int start_discovery(struct sock *sk, u16 index)
{
u8 lap[3] = { 0x33, 0x8b, 0x9e };
struct hci_cp_inquiry cp;
struct pending_cmd *cmd;
struct hci_dev *hdev;
int err;
BT_DBG("hci%u", index);
hdev = hci_dev_get(index);
if (!hdev)
return cmd_status(sk, index, MGMT_OP_START_DISCOVERY, ENODEV);
hci_dev_lock_bh(hdev);
cmd = mgmt_pending_add(sk, MGMT_OP_START_DISCOVERY, index, NULL, 0);
if (!cmd) {
err = -ENOMEM;
goto failed;
}
memset(&cp, 0, sizeof(cp));
memcpy(&cp.lap, lap, 3);
cp.length = 0x08;
cp.num_rsp = 0x00;
err = hci_send_cmd(hdev, HCI_OP_INQUIRY, sizeof(cp), &cp);
if (err < 0)
mgmt_pending_remove(cmd);
failed:
hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
}
static int stop_discovery(struct sock *sk, u16 index)
{
struct hci_dev *hdev;
struct pending_cmd *cmd;
int err;
BT_DBG("hci%u", index);
hdev = hci_dev_get(index);
if (!hdev)
return cmd_status(sk, index, MGMT_OP_STOP_DISCOVERY, ENODEV);
hci_dev_lock_bh(hdev);
cmd = mgmt_pending_add(sk, MGMT_OP_STOP_DISCOVERY, index, NULL, 0);
if (!cmd) {
err = -ENOMEM;
goto failed;
}
err = hci_send_cmd(hdev, HCI_OP_INQUIRY_CANCEL, 0, NULL);
if (err < 0)
mgmt_pending_remove(cmd);
failed:
hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
}
int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
{
unsigned char *buf;
@ -1677,7 +1746,12 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
err = remove_remote_oob_data(sk, index, buf + sizeof(*hdr),
len);
break;
case MGMT_OP_START_DISCOVERY:
err = start_discovery(sk, index);
break;
case MGMT_OP_STOP_DISCOVERY:
err = stop_discovery(sk, index);
break;
default:
BT_DBG("Unknown op %u", opcode);
err = cmd_status(sk, index, opcode, 0x01);
@ -1784,17 +1858,17 @@ int mgmt_connectable(u16 index, u8 connectable)
return ret;
}
int mgmt_new_key(u16 index, struct link_key *key, u8 old_key_type)
int mgmt_new_key(u16 index, struct link_key *key, u8 persistent)
{
struct mgmt_ev_new_key ev;
memset(&ev, 0, sizeof(ev));
ev.store_hint = persistent;
bacpy(&ev.key.bdaddr, &key->bdaddr);
ev.key.type = key->type;
memcpy(ev.key.val, key->val, 16);
ev.key.pin_len = key->pin_len;
ev.old_key_type = old_key_type;
return mgmt_event(MGMT_EV_NEW_KEY, index, &ev, sizeof(ev), NULL);
}
@ -1868,11 +1942,12 @@ int mgmt_connect_failed(u16 index, bdaddr_t *bdaddr, u8 status)
return mgmt_event(MGMT_EV_CONNECT_FAILED, index, &ev, sizeof(ev), NULL);
}
int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr)
int mgmt_pin_code_request(u16 index, bdaddr_t *bdaddr, u8 secure)
{
struct mgmt_ev_pin_code_request ev;
bacpy(&ev.bdaddr, bdaddr);
ev.secure = secure;
return mgmt_event(MGMT_EV_PIN_CODE_REQUEST, index, &ev, sizeof(ev),
NULL);
@ -1920,13 +1995,15 @@ int mgmt_pin_code_neg_reply_complete(u16 index, bdaddr_t *bdaddr, u8 status)
return err;
}
int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value)
int mgmt_user_confirm_request(u16 index, bdaddr_t *bdaddr, __le32 value,
u8 confirm_hint)
{
struct mgmt_ev_user_confirm_request ev;
BT_DBG("hci%u", index);
bacpy(&ev.bdaddr, bdaddr);
ev.confirm_hint = confirm_hint;
put_unaligned_le32(value, &ev.value);
return mgmt_event(MGMT_EV_USER_CONFIRM_REQUEST, index, &ev, sizeof(ev),
@ -2075,3 +2152,9 @@ int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name)
return mgmt_event(MGMT_EV_REMOTE_NAME, index, &ev, sizeof(ev), NULL);
}
int mgmt_discovering(u16 index, u8 discovering)
{
return mgmt_event(MGMT_EV_DISCOVERING, index, &discovering,
sizeof(discovering), NULL);
}

21
net/bluetooth/rfcomm/core.c
View File

@ -232,6 +232,8 @@ static int rfcomm_l2sock_create(struct socket **sock)
static inline int rfcomm_check_security(struct rfcomm_dlc *d)
{
struct sock *sk = d->session->sock->sk;
struct l2cap_conn *conn = l2cap_pi(sk)->chan->conn;
__u8 auth_type;
switch (d->sec_level) {
@ -246,8 +248,7 @@ static inline int rfcomm_check_security(struct rfcomm_dlc *d)
break;
}
return hci_conn_security(l2cap_pi(sk)->conn->hcon, d->sec_level,
auth_type);
return hci_conn_security(conn->hcon, d->sec_level, auth_type);
}
static void rfcomm_session_timeout(unsigned long arg)
@ -710,10 +711,10 @@ static struct rfcomm_session *rfcomm_session_create(bdaddr_t *src,
/* Set L2CAP options */
sk = sock->sk;
lock_sock(sk);
l2cap_pi(sk)->imtu = l2cap_mtu;
l2cap_pi(sk)->sec_level = sec_level;
l2cap_pi(sk)->chan->imtu = l2cap_mtu;
l2cap_pi(sk)->chan->sec_level = sec_level;
if (l2cap_ertm)
l2cap_pi(sk)->mode = L2CAP_MODE_ERTM;
l2cap_pi(sk)->chan->mode = L2CAP_MODE_ERTM;
release_sock(sk);
s = rfcomm_session_add(sock, BT_BOUND);
@ -1241,6 +1242,7 @@ static int rfcomm_recv_disc(struct rfcomm_session *s, u8 dlci)
void rfcomm_dlc_accept(struct rfcomm_dlc *d)
{
struct sock *sk = d->session->sock->sk;
struct l2cap_conn *conn = l2cap_pi(sk)->chan->conn;
BT_DBG("dlc %p", d);
@ -1254,7 +1256,7 @@ void rfcomm_dlc_accept(struct rfcomm_dlc *d)
rfcomm_dlc_unlock(d);
if (d->role_switch)
hci_conn_switch_role(l2cap_pi(sk)->conn->hcon, 0x00);
hci_conn_switch_role(conn->hcon, 0x00);
rfcomm_send_msc(d->session, 1, d->dlci, d->v24_sig);
}
@ -1890,7 +1892,8 @@ static inline void rfcomm_accept_connection(struct rfcomm_session *s)
/* We should adjust MTU on incoming sessions.
* L2CAP MTU minus UIH header and FCS. */
s->mtu = min(l2cap_pi(nsock->sk)->omtu, l2cap_pi(nsock->sk)->imtu) - 5;
s->mtu = min(l2cap_pi(nsock->sk)->chan->omtu,
l2cap_pi(nsock->sk)->chan->imtu) - 5;
rfcomm_schedule();
} else
@ -1909,7 +1912,7 @@ static inline void rfcomm_check_connection(struct rfcomm_session *s)
/* We can adjust MTU on outgoing sessions.
* L2CAP MTU minus UIH header and FCS. */
s->mtu = min(l2cap_pi(sk)->omtu, l2cap_pi(sk)->imtu) - 5;
s->mtu = min(l2cap_pi(sk)->chan->omtu, l2cap_pi(sk)->chan->imtu) - 5;
rfcomm_send_sabm(s, 0);
break;
@ -1992,7 +1995,7 @@ static int rfcomm_add_listener(bdaddr_t *ba)
/* Set L2CAP options */
sk = sock->sk;
lock_sock(sk);
l2cap_pi(sk)->imtu = l2cap_mtu;
l2cap_pi(sk)->chan->imtu = l2cap_mtu;
release_sock(sk);
/* Start listening on the socket */

5
net/bluetooth/rfcomm/sock.c
View File

@ -743,6 +743,7 @@ static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __u
struct sock *sk = sock->sk;
struct sock *l2cap_sk;
struct rfcomm_conninfo cinfo;
struct l2cap_conn *conn = l2cap_pi(sk)->chan->conn;
int len, err = 0;
u32 opt;
@ -787,8 +788,8 @@ static int rfcomm_sock_getsockopt_old(struct socket *sock, int optname, char __u
l2cap_sk = rfcomm_pi(sk)->dlc->session->sock->sk;
cinfo.hci_handle = l2cap_pi(l2cap_sk)->conn->hcon->handle;
memcpy(cinfo.dev_class, l2cap_pi(l2cap_sk)->conn->hcon->dev_class, 3);
cinfo.hci_handle = conn->hcon->handle;
memcpy(cinfo.dev_class, conn->hcon->dev_class, 3);
len = min_t(unsigned int, len, sizeof(cinfo));
if (copy_to_user(optval, (char *) &cinfo, len))