Merge branch 'master' of git://github.com/padovan/bluetooth-next
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index be30aab..aaf79af 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -716,6 +716,16 @@
bdaddr_t bdaddr;
} __packed;
+#define HCI_OP_WRITE_PAGE_SCAN_ACTIVITY 0x0c1c
+struct hci_cp_write_page_scan_activity {
+ __le16 interval;
+ __le16 window;
+} __packed;
+
+#define HCI_OP_WRITE_PAGE_SCAN_TYPE 0x0c47
+ #define PAGE_SCAN_TYPE_STANDARD 0x00
+ #define PAGE_SCAN_TYPE_INTERLACED 0x01
+
#define HCI_OP_LE_SET_EVENT_MASK 0x2001
struct hci_cp_le_set_event_mask {
__u8 mask[8];
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 8f441b8..5b92442 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -195,8 +195,6 @@
__u16 init_last_cmd;
- struct crypto_blkcipher *tfm;
-
struct inquiry_cache inq_cache;
struct hci_conn_hash conn_hash;
struct list_head blacklist;
@@ -348,6 +346,7 @@
HCI_CONN_RSWITCH_PEND,
HCI_CONN_MODE_CHANGE_PEND,
HCI_CONN_SCO_SETUP_PEND,
+ HCI_CONN_LE_SMP_PEND,
};
static inline void hci_conn_hash_init(struct hci_dev *hdev)
@@ -395,6 +394,22 @@
}
}
+static inline unsigned int hci_conn_num(struct hci_dev *hdev, __u8 type)
+{
+ struct hci_conn_hash *h = &hdev->conn_hash;
+ switch (type) {
+ case ACL_LINK:
+ return h->acl_num;
+ case LE_LINK:
+ return h->le_num;
+ case SCO_LINK:
+ case ESCO_LINK:
+ return h->sco_num;
+ default:
+ return 0;
+ }
+}
+
static inline struct hci_conn *hci_conn_hash_lookup_handle(struct hci_dev *hdev,
__u16 handle)
{
@@ -475,7 +490,7 @@
{
if (atomic_dec_and_test(&conn->refcnt)) {
unsigned long timeo;
- if (conn->type == ACL_LINK) {
+ if (conn->type == ACL_LINK || conn->type == LE_LINK) {
del_timer(&conn->idle_timer);
if (conn->state == BT_CONNECTED) {
timeo = msecs_to_jiffies(conn->disc_timeout);
@@ -838,7 +853,7 @@
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 persistent);
-int mgmt_connected(u16 index, bdaddr_t *bdaddr);
+int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type);
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);
@@ -858,6 +873,8 @@
u8 *eir);
int mgmt_remote_name(u16 index, bdaddr_t *bdaddr, u8 *name);
int mgmt_discovering(u16 index, u8 discovering);
+int mgmt_device_blocked(u16 index, bdaddr_t *bdaddr);
+int mgmt_device_unblocked(u16 index, bdaddr_t *bdaddr);
/* HCI info for socket */
#define hci_pi(sk) ((struct hci_pinfo *) sk)
diff --git a/include/net/bluetooth/l2cap.h b/include/net/bluetooth/l2cap.h
index 4f34ad2..7f878b9 100644
--- a/include/net/bluetooth/l2cap.h
+++ b/include/net/bluetooth/l2cap.h
@@ -409,14 +409,8 @@
__u8 disc_reason;
- __u8 preq[7]; /* SMP Pairing Request */
- __u8 prsp[7]; /* SMP Pairing Response */
- __u8 prnd[16]; /* SMP Pairing Random */
- __u8 pcnf[16]; /* SMP Pairing Confirm */
- __u8 tk[16]; /* SMP Temporary Key */
- __u8 smp_key_size;
-
struct timer_list security_timer;
+ struct smp_chan *smp_chan;
struct list_head chan_l;
rwlock_t chan_lock;
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 5428fd3..d66da0f 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -211,6 +211,11 @@
bdaddr_t bdaddr;
} __packed;
+#define MGMT_OP_SET_FAST_CONNECTABLE 0x001F
+struct mgmt_cp_set_fast_connectable {
+ __u8 enable;
+} __packed;
+
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;
@@ -249,6 +254,7 @@
#define MGMT_EV_CONNECTED 0x000B
struct mgmt_ev_connected {
bdaddr_t bdaddr;
+ __u8 link_type;
} __packed;
#define MGMT_EV_DISCONNECTED 0x000C
@@ -301,3 +307,13 @@
} __packed;
#define MGMT_EV_DISCOVERING 0x0014
+
+#define MGMT_EV_DEVICE_BLOCKED 0x0015
+struct mgmt_ev_device_blocked {
+ bdaddr_t bdaddr;
+} __packed;
+
+#define MGMT_EV_DEVICE_UNBLOCKED 0x0016
+struct mgmt_ev_device_unblocked {
+ bdaddr_t bdaddr;
+} __packed;
diff --git a/include/net/bluetooth/smp.h b/include/net/bluetooth/smp.h
index 46c4576..15b97d5 100644
--- a/include/net/bluetooth/smp.h
+++ b/include/net/bluetooth/smp.h
@@ -115,9 +115,26 @@
#define SMP_MIN_ENC_KEY_SIZE 7
#define SMP_MAX_ENC_KEY_SIZE 16
+struct smp_chan {
+ struct l2cap_conn *conn;
+ u8 preq[7]; /* SMP Pairing Request */
+ u8 prsp[7]; /* SMP Pairing Response */
+ u8 prnd[16]; /* SMP Pairing Random (local) */
+ u8 rrnd[16]; /* SMP Pairing Random (remote) */
+ u8 pcnf[16]; /* SMP Pairing Confirm */
+ u8 tk[16]; /* SMP Temporary Key */
+ u8 smp_key_size;
+ struct crypto_blkcipher *tfm;
+ struct work_struct confirm;
+ struct work_struct random;
+
+};
+
/* SMP Commands */
int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level);
int smp_sig_channel(struct l2cap_conn *conn, struct sk_buff *skb);
int smp_distribute_keys(struct l2cap_conn *conn, __u8 force);
+void smp_chan_destroy(struct l2cap_conn *conn);
+
#endif /* __SMP_H */
diff --git a/net/bluetooth/hci_conn.c b/net/bluetooth/hci_conn.c
index ea7f031..c2df7bf 100644
--- a/net/bluetooth/hci_conn.c
+++ b/net/bluetooth/hci_conn.c
@@ -218,7 +218,7 @@
cp.handle = cpu_to_le16(conn->handle);
memcpy(cp.ltk, ltk, sizeof(cp.ltk));
cp.ediv = ediv;
- memcpy(cp.rand, rand, sizeof(rand));
+ memcpy(cp.rand, rand, sizeof(cp.rand));
hci_send_cmd(hdev, HCI_OP_LE_START_ENC, sizeof(cp), &cp);
}
diff --git a/net/bluetooth/hci_core.c b/net/bluetooth/hci_core.c
index 56943ad..b84458d 100644
--- a/net/bluetooth/hci_core.c
+++ b/net/bluetooth/hci_core.c
@@ -1312,59 +1312,41 @@
int hci_blacklist_add(struct hci_dev *hdev, bdaddr_t *bdaddr)
{
struct bdaddr_list *entry;
- int err;
if (bacmp(bdaddr, BDADDR_ANY) == 0)
return -EBADF;
- hci_dev_lock_bh(hdev);
-
- if (hci_blacklist_lookup(hdev, bdaddr)) {
- err = -EEXIST;
- goto err;
- }
+ if (hci_blacklist_lookup(hdev, bdaddr))
+ return -EEXIST;
entry = kzalloc(sizeof(struct bdaddr_list), GFP_KERNEL);
- if (!entry) {
- err = -ENOMEM;
- goto err;
- }
+ if (!entry)
+ return -ENOMEM;
bacpy(&entry->bdaddr, bdaddr);
list_add(&entry->list, &hdev->blacklist);
- err = 0;
-
-err:
- hci_dev_unlock_bh(hdev);
- return err;
+ return mgmt_device_blocked(hdev->id, bdaddr);
}
int hci_blacklist_del(struct hci_dev *hdev, bdaddr_t *bdaddr)
{
struct bdaddr_list *entry;
- int err = 0;
-
- hci_dev_lock_bh(hdev);
if (bacmp(bdaddr, BDADDR_ANY) == 0) {
- hci_blacklist_clear(hdev);
- goto done;
+ return hci_blacklist_clear(hdev);
}
entry = hci_blacklist_lookup(hdev, bdaddr);
if (!entry) {
- err = -ENOENT;
- goto done;
+ return -ENOENT;
}
list_del(&entry->list);
kfree(entry);
-done:
- hci_dev_unlock_bh(hdev);
- return err;
+ return mgmt_device_unblocked(hdev->id, bdaddr);
}
static void hci_clear_adv_cache(unsigned long arg)
@@ -1523,11 +1505,6 @@
if (!hdev->workqueue)
goto nomem;
- hdev->tfm = crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC);
- if (IS_ERR(hdev->tfm))
- BT_INFO("Failed to load transform for ecb(aes): %ld",
- PTR_ERR(hdev->tfm));
-
hci_register_sysfs(hdev);
hdev->rfkill = rfkill_alloc(hdev->name, &hdev->dev,
@@ -1576,9 +1553,6 @@
!test_bit(HCI_SETUP, &hdev->flags))
mgmt_index_removed(hdev->id);
- if (!IS_ERR(hdev->tfm))
- crypto_free_blkcipher(hdev->tfm);
-
hci_notify(hdev, HCI_DEV_UNREG);
if (hdev->rfkill) {
@@ -2074,6 +2048,9 @@
min = c->sent;
conn = c;
}
+
+ if (hci_conn_num(hdev, type) == num)
+ break;
}
if (conn) {
@@ -2131,6 +2108,9 @@
BT_DBG("%s", hdev->name);
+ if (!hci_conn_num(hdev, ACL_LINK))
+ return;
+
if (!test_bit(HCI_RAW, &hdev->flags)) {
/* ACL tx timeout must be longer than maximum
* link supervision timeout (40.9 seconds) */
@@ -2162,6 +2142,9 @@
BT_DBG("%s", hdev->name);
+ if (!hci_conn_num(hdev, SCO_LINK))
+ return;
+
while (hdev->sco_cnt && (conn = hci_low_sent(hdev, SCO_LINK, "e))) {
while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
BT_DBG("skb %p len %d", skb, skb->len);
@@ -2182,6 +2165,9 @@
BT_DBG("%s", hdev->name);
+ if (!hci_conn_num(hdev, ESCO_LINK))
+ return;
+
while (hdev->sco_cnt && (conn = hci_low_sent(hdev, ESCO_LINK, "e))) {
while (quote-- && (skb = skb_dequeue(&conn->data_q))) {
BT_DBG("skb %p len %d", skb, skb->len);
@@ -2202,6 +2188,9 @@
BT_DBG("%s", hdev->name);
+ if (!hci_conn_num(hdev, LE_LINK))
+ return;
+
if (!test_bit(HCI_RAW, &hdev->flags)) {
/* LE tx timeout must be longer than maximum
* link supervision timeout (40.9 seconds) */
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 7ef4eb4..35083f2 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -898,16 +898,15 @@
if (!cp)
return;
- hci_dev_lock(hdev);
-
if (cp->enable == 0x01) {
del_timer(&hdev->adv_timer);
+
+ hci_dev_lock(hdev);
hci_adv_entries_clear(hdev);
+ hci_dev_unlock(hdev);
} else if (cp->enable == 0x00) {
mod_timer(&hdev->adv_timer, jiffies + ADV_CLEAR_TIMEOUT);
}
-
- hci_dev_unlock(hdev);
}
static void hci_cc_le_ltk_reply(struct hci_dev *hdev, struct sk_buff *skb)
@@ -1103,9 +1102,10 @@
return 0;
/* Only request authentication for SSP connections or non-SSP
- * devices with sec_level HIGH */
+ * devices with sec_level HIGH or if MITM protection is requested */
if (!(hdev->ssp_mode > 0 && conn->ssp_mode > 0) &&
- conn->pending_sec_level != BT_SECURITY_HIGH)
+ conn->pending_sec_level != BT_SECURITY_HIGH &&
+ !(conn->auth_type & 0x01))
return 0;
return 1;
@@ -1412,7 +1412,7 @@
conn->state = BT_CONFIG;
hci_conn_hold(conn);
conn->disc_timeout = HCI_DISCONN_TIMEOUT;
- mgmt_connected(hdev->id, &ev->bdaddr);
+ mgmt_connected(hdev->id, &ev->bdaddr, conn->type);
} else
conn->state = BT_CONNECTED;
@@ -2816,7 +2816,7 @@
goto unlock;
}
- mgmt_connected(hdev->id, &ev->bdaddr);
+ mgmt_connected(hdev->id, &ev->bdaddr, conn->type);
conn->sec_level = BT_SECURITY_LOW;
conn->handle = __le16_to_cpu(ev->handle);
diff --git a/net/bluetooth/hci_sock.c b/net/bluetooth/hci_sock.c
index ff02cf5..f6afe3d 100644
--- a/net/bluetooth/hci_sock.c
+++ b/net/bluetooth/hci_sock.c
@@ -183,21 +183,35 @@
static int hci_sock_blacklist_add(struct hci_dev *hdev, void __user *arg)
{
bdaddr_t bdaddr;
+ int err;
if (copy_from_user(&bdaddr, arg, sizeof(bdaddr)))
return -EFAULT;
- return hci_blacklist_add(hdev, &bdaddr);
+ hci_dev_lock_bh(hdev);
+
+ err = hci_blacklist_add(hdev, &bdaddr);
+
+ hci_dev_unlock_bh(hdev);
+
+ return err;
}
static int hci_sock_blacklist_del(struct hci_dev *hdev, void __user *arg)
{
bdaddr_t bdaddr;
+ int err;
if (copy_from_user(&bdaddr, arg, sizeof(bdaddr)))
return -EFAULT;
- return hci_blacklist_del(hdev, &bdaddr);
+ hci_dev_lock_bh(hdev);
+
+ err = hci_blacklist_del(hdev, &bdaddr);
+
+ hci_dev_unlock_bh(hdev);
+
+ return err;
}
/* Ioctls that require bound socket */
diff --git a/net/bluetooth/hci_sysfs.c b/net/bluetooth/hci_sysfs.c
index a6c3aa8..22f1a6c 100644
--- a/net/bluetooth/hci_sysfs.c
+++ b/net/bluetooth/hci_sysfs.c
@@ -23,6 +23,8 @@
return "SCO";
case ESCO_LINK:
return "eSCO";
+ case LE_LINK:
+ return "LE";
default:
return "UNKNOWN";
}
diff --git a/net/bluetooth/hidp/core.c b/net/bluetooth/hidp/core.c
index fb68f34..b83979c 100644
--- a/net/bluetooth/hidp/core.c
+++ b/net/bluetooth/hidp/core.c
@@ -872,6 +872,9 @@
struct hidp_session *session = hid->driver_data;
struct hid_report *report;
+ if (hid->quirks & HID_QUIRK_NO_INIT_REPORTS)
+ return 0;
+
list_for_each_entry(report, &hid->report_enum[HID_INPUT_REPORT].
report_list, list)
hidp_send_report(session, report);
diff --git a/net/bluetooth/l2cap_core.c b/net/bluetooth/l2cap_core.c
index b3bdb48..1611b35 100644
--- a/net/bluetooth/l2cap_core.c
+++ b/net/bluetooth/l2cap_core.c
@@ -907,6 +907,9 @@
if (!conn->hcon->out && conn->hcon->type == LE_LINK)
l2cap_le_conn_ready(conn);
+ if (conn->hcon->out && conn->hcon->type == LE_LINK)
+ smp_conn_security(conn, conn->hcon->pending_sec_level);
+
read_lock(&conn->chan_lock);
list_for_each_entry(chan, &conn->chan_l, list) {
@@ -986,8 +989,10 @@
if (conn->info_state & L2CAP_INFO_FEAT_MASK_REQ_SENT)
del_timer_sync(&conn->info_timer);
- if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend))
+ if (test_and_clear_bit(HCI_CONN_LE_SMP_PEND, &hcon->pend)) {
del_timer(&conn->security_timer);
+ smp_chan_destroy(conn);
+ }
hcon->l2cap_data = NULL;
kfree(conn);
@@ -1519,7 +1524,9 @@
return skb;
}
-struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan, struct msghdr *msg, size_t len, u16 control, u16 sdulen)
+static struct sk_buff *l2cap_create_iframe_pdu(struct l2cap_chan *chan,
+ struct msghdr *msg, size_t len,
+ u16 control, u16 sdulen)
{
struct sock *sk = chan->sk;
struct l2cap_conn *conn = chan->conn;
@@ -4093,6 +4100,11 @@
BT_DBG("conn %p", conn);
+ if (hcon->type == LE_LINK) {
+ smp_distribute_keys(conn, 0);
+ del_timer(&conn->security_timer);
+ }
+
read_lock(&conn->chan_lock);
list_for_each_entry(chan, &conn->chan_l, list) {
@@ -4105,9 +4117,7 @@
if (chan->scid == L2CAP_CID_LE_DATA) {
if (!status && encrypt) {
chan->sec_level = hcon->sec_level;
- del_timer(&conn->security_timer);
l2cap_chan_ready(sk);
- smp_distribute_keys(conn, 0);
}
bh_unlock_sock(sk);
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 53e109e..5a94eec 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -908,7 +908,7 @@
struct hci_dev *hdev;
struct mgmt_cp_load_keys *cp;
u16 key_count, expected_len;
- int i, err;
+ int i;
cp = (void *) data;
@@ -918,9 +918,9 @@
key_count = get_unaligned_le16(&cp->key_count);
expected_len = sizeof(*cp) + key_count * sizeof(struct mgmt_key_info);
- if (expected_len > len) {
- BT_ERR("load_keys: expected at least %u bytes, got %u bytes",
- expected_len, len);
+ if (expected_len != len) {
+ BT_ERR("load_keys: expected %u bytes, got %u bytes",
+ len, expected_len);
return -EINVAL;
}
@@ -942,36 +942,17 @@
else
clear_bit(HCI_DEBUG_KEYS, &hdev->flags);
- len -= sizeof(*cp);
- i = 0;
-
- while (i < len) {
- struct mgmt_key_info *key = (void *) cp->keys + i;
-
- i += sizeof(*key) + key->dlen;
-
- if (key->type == HCI_LK_SMP_LTK) {
- struct key_master_id *id = (void *) key->data;
-
- if (key->dlen != sizeof(struct key_master_id))
- continue;
-
- hci_add_ltk(hdev, 0, &key->bdaddr, key->pin_len,
- id->ediv, id->rand, key->val);
-
- continue;
- }
+ for (i = 0; i < key_count; i++) {
+ struct mgmt_key_info *key = &cp->keys[i];
hci_add_link_key(hdev, NULL, 0, &key->bdaddr, key->val, key->type,
key->pin_len);
}
- err = cmd_complete(sk, index, MGMT_OP_LOAD_KEYS, NULL, 0);
-
hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
- return err;
+ return 0;
}
static int remove_key(struct sock *sk, u16 index, unsigned char *data, u16 len)
@@ -1347,6 +1328,7 @@
struct hci_dev *hdev;
struct mgmt_cp_pair_device *cp;
struct pending_cmd *cmd;
+ struct adv_entry *entry;
u8 sec_level, auth_type;
struct hci_conn *conn;
int err;
@@ -1364,15 +1346,20 @@
hci_dev_lock_bh(hdev);
- if (cp->io_cap == 0x03) {
- sec_level = BT_SECURITY_MEDIUM;
+ sec_level = BT_SECURITY_MEDIUM;
+ if (cp->io_cap == 0x03)
auth_type = HCI_AT_DEDICATED_BONDING;
- } else {
- sec_level = BT_SECURITY_HIGH;
+ else
auth_type = HCI_AT_DEDICATED_BONDING_MITM;
- }
- conn = hci_connect(hdev, ACL_LINK, &cp->bdaddr, sec_level, auth_type);
+ entry = hci_find_adv_entry(hdev, &cp->bdaddr);
+ if (entry)
+ conn = hci_connect(hdev, LE_LINK, &cp->bdaddr, sec_level,
+ auth_type);
+ else
+ conn = hci_connect(hdev, ACL_LINK, &cp->bdaddr, sec_level,
+ auth_type);
+
if (IS_ERR(conn)) {
err = PTR_ERR(conn);
goto unlock;
@@ -1391,7 +1378,10 @@
goto unlock;
}
- conn->connect_cfm_cb = pairing_complete_cb;
+ /* For LE, just connecting isn't a proof that the pairing finished */
+ if (!entry)
+ conn->connect_cfm_cb = pairing_complete_cb;
+
conn->security_cfm_cb = pairing_complete_cb;
conn->disconn_cfm_cb = pairing_complete_cb;
conn->io_capability = cp->io_cap;
@@ -1689,13 +1679,12 @@
u16 len)
{
struct hci_dev *hdev;
- struct mgmt_cp_block_device *cp;
+ struct pending_cmd *cmd;
+ struct mgmt_cp_block_device *cp = (void *) data;
int err;
BT_DBG("hci%u", index);
- cp = (void *) data;
-
if (len != sizeof(*cp))
return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE,
EINVAL);
@@ -1705,6 +1694,14 @@
return cmd_status(sk, index, MGMT_OP_BLOCK_DEVICE,
ENODEV);
+ hci_dev_lock_bh(hdev);
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_BLOCK_DEVICE, index, NULL, 0);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
err = hci_blacklist_add(hdev, &cp->bdaddr);
if (err < 0)
@@ -1712,6 +1709,11 @@
else
err = cmd_complete(sk, index, MGMT_OP_BLOCK_DEVICE,
NULL, 0);
+
+ mgmt_pending_remove(cmd);
+
+failed:
+ hci_dev_unlock_bh(hdev);
hci_dev_put(hdev);
return err;
@@ -1721,13 +1723,12 @@
u16 len)
{
struct hci_dev *hdev;
- struct mgmt_cp_unblock_device *cp;
+ struct pending_cmd *cmd;
+ struct mgmt_cp_unblock_device *cp = (void *) data;
int err;
BT_DBG("hci%u", index);
- cp = (void *) data;
-
if (len != sizeof(*cp))
return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE,
EINVAL);
@@ -1737,6 +1738,14 @@
return cmd_status(sk, index, MGMT_OP_UNBLOCK_DEVICE,
ENODEV);
+ hci_dev_lock_bh(hdev);
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_UNBLOCK_DEVICE, index, NULL, 0);
+ if (!cmd) {
+ err = -ENOMEM;
+ goto failed;
+ }
+
err = hci_blacklist_del(hdev, &cp->bdaddr);
if (err < 0)
@@ -1744,6 +1753,67 @@
else
err = cmd_complete(sk, index, MGMT_OP_UNBLOCK_DEVICE,
NULL, 0);
+
+ mgmt_pending_remove(cmd);
+
+failed:
+ hci_dev_unlock_bh(hdev);
+ hci_dev_put(hdev);
+
+ return err;
+}
+
+static int set_fast_connectable(struct sock *sk, u16 index,
+ unsigned char *data, u16 len)
+{
+ struct hci_dev *hdev;
+ struct mgmt_cp_set_fast_connectable *cp = (void *) data;
+ struct hci_cp_write_page_scan_activity acp;
+ u8 type;
+ int err;
+
+ BT_DBG("hci%u", index);
+
+ if (len != sizeof(*cp))
+ return cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
+ EINVAL);
+
+ hdev = hci_dev_get(index);
+ if (!hdev)
+ return cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
+ ENODEV);
+
+ hci_dev_lock(hdev);
+
+ if (cp->enable) {
+ type = PAGE_SCAN_TYPE_INTERLACED;
+ acp.interval = 0x0024; /* 22.5 msec page scan interval */
+ } else {
+ type = PAGE_SCAN_TYPE_STANDARD; /* default */
+ acp.interval = 0x0800; /* default 1.28 sec page scan */
+ }
+
+ acp.window = 0x0012; /* default 11.25 msec page scan window */
+
+ err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_ACTIVITY,
+ sizeof(acp), &acp);
+ if (err < 0) {
+ err = cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
+ -err);
+ goto done;
+ }
+
+ err = hci_send_cmd(hdev, HCI_OP_WRITE_PAGE_SCAN_TYPE, 1, &type);
+ if (err < 0) {
+ err = cmd_status(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
+ -err);
+ goto done;
+ }
+
+ err = cmd_complete(sk, index, MGMT_OP_SET_FAST_CONNECTABLE,
+ NULL, 0);
+done:
+ hci_dev_unlock(hdev);
hci_dev_put(hdev);
return err;
@@ -1869,6 +1939,10 @@
case MGMT_OP_UNBLOCK_DEVICE:
err = unblock_device(sk, index, buf + sizeof(*hdr), len);
break;
+ case MGMT_OP_SET_FAST_CONNECTABLE:
+ err = set_fast_connectable(sk, index, buf + sizeof(*hdr),
+ len);
+ break;
default:
BT_DBG("Unknown op %u", opcode);
err = cmd_status(sk, index, opcode, 0x01);
@@ -1977,35 +2051,25 @@
int mgmt_new_key(u16 index, struct link_key *key, u8 persistent)
{
- struct mgmt_ev_new_key *ev;
- int err, total;
+ struct mgmt_ev_new_key ev;
- total = sizeof(struct mgmt_ev_new_key) + key->dlen;
- ev = kzalloc(total, GFP_ATOMIC);
- if (!ev)
- return -ENOMEM;
+ memset(&ev, 0, sizeof(ev));
- 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->key.dlen = key->dlen;
- ev->store_hint = persistent;
+ 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;
- memcpy(ev->key.data, key->data, key->dlen);
-
- err = mgmt_event(MGMT_EV_NEW_KEY, index, ev, total, NULL);
-
- kfree(ev);
-
- return err;
+ return mgmt_event(MGMT_EV_NEW_KEY, index, &ev, sizeof(ev), NULL);
}
-int mgmt_connected(u16 index, bdaddr_t *bdaddr)
+int mgmt_connected(u16 index, bdaddr_t *bdaddr, u8 link_type)
{
struct mgmt_ev_connected ev;
bacpy(&ev.bdaddr, bdaddr);
+ ev.link_type = link_type;
return mgmt_event(MGMT_EV_CONNECTED, index, &ev, sizeof(ev), NULL);
}
@@ -2260,12 +2324,14 @@
memset(&ev, 0, sizeof(ev));
bacpy(&ev.bdaddr, bdaddr);
- memcpy(ev.dev_class, dev_class, sizeof(ev.dev_class));
ev.rssi = rssi;
if (eir)
memcpy(ev.eir, eir, sizeof(ev.eir));
+ if (dev_class)
+ memcpy(ev.dev_class, dev_class, sizeof(ev.dev_class));
+
return mgmt_event(MGMT_EV_DEVICE_FOUND, index, &ev, sizeof(ev), NULL);
}
@@ -2286,3 +2352,29 @@
return mgmt_event(MGMT_EV_DISCOVERING, index, &discovering,
sizeof(discovering), NULL);
}
+
+int mgmt_device_blocked(u16 index, bdaddr_t *bdaddr)
+{
+ struct pending_cmd *cmd;
+ struct mgmt_ev_device_blocked ev;
+
+ cmd = mgmt_pending_find(MGMT_OP_BLOCK_DEVICE, index);
+
+ bacpy(&ev.bdaddr, bdaddr);
+
+ return mgmt_event(MGMT_EV_DEVICE_BLOCKED, index, &ev, sizeof(ev),
+ cmd ? cmd->sk : NULL);
+}
+
+int mgmt_device_unblocked(u16 index, bdaddr_t *bdaddr)
+{
+ struct pending_cmd *cmd;
+ struct mgmt_ev_device_unblocked ev;
+
+ cmd = mgmt_pending_find(MGMT_OP_UNBLOCK_DEVICE, index);
+
+ bacpy(&ev.bdaddr, bdaddr);
+
+ return mgmt_event(MGMT_EV_DEVICE_UNBLOCKED, index, &ev, sizeof(ev),
+ cmd ? cmd->sk : NULL);
+}
diff --git a/net/bluetooth/smp.c b/net/bluetooth/smp.c
index 391888b..759b635 100644
--- a/net/bluetooth/smp.c
+++ b/net/bluetooth/smp.c
@@ -182,18 +182,9 @@
return;
hci_send_acl(conn->hcon, skb, 0);
-}
-static __u8 seclevel_to_authreq(__u8 level)
-{
- switch (level) {
- case BT_SECURITY_HIGH:
- /* Right now we don't support bonding */
- return SMP_AUTH_MITM;
-
- default:
- return SMP_AUTH_NONE;
- }
+ mod_timer(&conn->security_timer, jiffies +
+ msecs_to_jiffies(SMP_TIMEOUT));
}
static void build_pairing_cmd(struct l2cap_conn *conn,
@@ -205,7 +196,7 @@
dist_keys = 0;
if (test_bit(HCI_PAIRABLE, &conn->hcon->hdev->flags)) {
- dist_keys = SMP_DIST_ENC_KEY | SMP_DIST_ID_KEY | SMP_DIST_SIGN;
+ dist_keys = SMP_DIST_ENC_KEY;
authreq |= SMP_AUTH_BONDING;
}
@@ -229,24 +220,184 @@
static u8 check_enc_key_size(struct l2cap_conn *conn, __u8 max_key_size)
{
+ struct smp_chan *smp = conn->smp_chan;
+
if ((max_key_size > SMP_MAX_ENC_KEY_SIZE) ||
(max_key_size < SMP_MIN_ENC_KEY_SIZE))
return SMP_ENC_KEY_SIZE;
- conn->smp_key_size = max_key_size;
+ smp->smp_key_size = max_key_size;
return 0;
}
+static void confirm_work(struct work_struct *work)
+{
+ struct smp_chan *smp = container_of(work, struct smp_chan, confirm);
+ struct l2cap_conn *conn = smp->conn;
+ struct crypto_blkcipher *tfm;
+ struct smp_cmd_pairing_confirm cp;
+ int ret;
+ u8 res[16], reason;
+
+ BT_DBG("conn %p", conn);
+
+ tfm = crypto_alloc_blkcipher("ecb(aes)", 0, CRYPTO_ALG_ASYNC);
+ if (IS_ERR(tfm)) {
+ reason = SMP_UNSPECIFIED;
+ goto error;
+ }
+
+ smp->tfm = tfm;
+
+ if (conn->hcon->out)
+ ret = smp_c1(tfm, smp->tk, smp->prnd, smp->preq, smp->prsp, 0,
+ conn->src, conn->hcon->dst_type, conn->dst,
+ res);
+ else
+ ret = smp_c1(tfm, smp->tk, smp->prnd, smp->preq, smp->prsp,
+ conn->hcon->dst_type, conn->dst, 0, conn->src,
+ res);
+ if (ret) {
+ reason = SMP_UNSPECIFIED;
+ goto error;
+ }
+
+ swap128(res, cp.confirm_val);
+ smp_send_cmd(smp->conn, SMP_CMD_PAIRING_CONFIRM, sizeof(cp), &cp);
+
+ return;
+
+error:
+ smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason), &reason);
+ smp_chan_destroy(conn);
+}
+
+static void random_work(struct work_struct *work)
+{
+ struct smp_chan *smp = container_of(work, struct smp_chan, random);
+ struct l2cap_conn *conn = smp->conn;
+ struct hci_conn *hcon = conn->hcon;
+ struct crypto_blkcipher *tfm = smp->tfm;
+ u8 reason, confirm[16], res[16], key[16];
+ int ret;
+
+ if (IS_ERR_OR_NULL(tfm)) {
+ reason = SMP_UNSPECIFIED;
+ goto error;
+ }
+
+ BT_DBG("conn %p %s", conn, conn->hcon->out ? "master" : "slave");
+
+ if (hcon->out)
+ ret = smp_c1(tfm, smp->tk, smp->rrnd, smp->preq, smp->prsp, 0,
+ conn->src, hcon->dst_type, conn->dst,
+ res);
+ else
+ ret = smp_c1(tfm, smp->tk, smp->rrnd, smp->preq, smp->prsp,
+ hcon->dst_type, conn->dst, 0, conn->src,
+ res);
+ if (ret) {
+ reason = SMP_UNSPECIFIED;
+ goto error;
+ }
+
+ swap128(res, confirm);
+
+ if (memcmp(smp->pcnf, confirm, sizeof(smp->pcnf)) != 0) {
+ BT_ERR("Pairing failed (confirmation values mismatch)");
+ reason = SMP_CONFIRM_FAILED;
+ goto error;
+ }
+
+ if (hcon->out) {
+ u8 stk[16], rand[8];
+ __le16 ediv;
+
+ memset(rand, 0, sizeof(rand));
+ ediv = 0;
+
+ smp_s1(tfm, smp->tk, smp->rrnd, smp->prnd, key);
+ swap128(key, stk);
+
+ memset(stk + smp->smp_key_size, 0,
+ SMP_MAX_ENC_KEY_SIZE - smp->smp_key_size);
+
+ if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend)) {
+ reason = SMP_UNSPECIFIED;
+ goto error;
+ }
+
+ hci_le_start_enc(hcon, ediv, rand, stk);
+ hcon->enc_key_size = smp->smp_key_size;
+ } else {
+ u8 stk[16], r[16], rand[8];
+ __le16 ediv;
+
+ memset(rand, 0, sizeof(rand));
+ ediv = 0;
+
+ swap128(smp->prnd, r);
+ smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(r), r);
+
+ smp_s1(tfm, smp->tk, smp->prnd, smp->rrnd, key);
+ swap128(key, stk);
+
+ memset(stk + smp->smp_key_size, 0,
+ SMP_MAX_ENC_KEY_SIZE - smp->smp_key_size);
+
+ hci_add_ltk(hcon->hdev, 0, conn->dst, smp->smp_key_size,
+ ediv, rand, stk);
+ }
+
+ return;
+
+error:
+ smp_send_cmd(conn, SMP_CMD_PAIRING_FAIL, sizeof(reason), &reason);
+ smp_chan_destroy(conn);
+}
+
+static struct smp_chan *smp_chan_create(struct l2cap_conn *conn)
+{
+ struct smp_chan *smp;
+
+ smp = kzalloc(sizeof(struct smp_chan), GFP_ATOMIC);
+ if (!smp)
+ return NULL;
+
+ INIT_WORK(&smp->confirm, confirm_work);
+ INIT_WORK(&smp->random, random_work);
+
+ smp->conn = conn;
+ conn->smp_chan = smp;
+
+ hci_conn_hold(conn->hcon);
+
+ return smp;
+}
+
+void smp_chan_destroy(struct l2cap_conn *conn)
+{
+ kfree(conn->smp_chan);
+ hci_conn_put(conn->hcon);
+}
+
static u8 smp_cmd_pairing_req(struct l2cap_conn *conn, struct sk_buff *skb)
{
struct smp_cmd_pairing rsp, *req = (void *) skb->data;
+ struct smp_chan *smp;
u8 key_size;
+ int ret;
BT_DBG("conn %p", conn);
- conn->preq[0] = SMP_CMD_PAIRING_REQ;
- memcpy(&conn->preq[1], req, sizeof(*req));
+ if (!test_and_set_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->pend))
+ smp = smp_chan_create(conn);
+
+ smp = conn->smp_chan;
+
+ smp->preq[0] = SMP_CMD_PAIRING_REQ;
+ memcpy(&smp->preq[1], req, sizeof(*req));
skb_pull(skb, sizeof(*req));
if (req->oob_flag)
@@ -260,32 +411,33 @@
return SMP_ENC_KEY_SIZE;
/* Just works */
- memset(conn->tk, 0, sizeof(conn->tk));
+ memset(smp->tk, 0, sizeof(smp->tk));
- conn->prsp[0] = SMP_CMD_PAIRING_RSP;
- memcpy(&conn->prsp[1], &rsp, sizeof(rsp));
+ ret = smp_rand(smp->prnd);
+ if (ret)
+ return SMP_UNSPECIFIED;
+
+ smp->prsp[0] = SMP_CMD_PAIRING_RSP;
+ memcpy(&smp->prsp[1], &rsp, sizeof(rsp));
smp_send_cmd(conn, SMP_CMD_PAIRING_RSP, sizeof(rsp), &rsp);
- mod_timer(&conn->security_timer, jiffies +
- msecs_to_jiffies(SMP_TIMEOUT));
-
return 0;
}
static u8 smp_cmd_pairing_rsp(struct l2cap_conn *conn, struct sk_buff *skb)
{
struct smp_cmd_pairing *req, *rsp = (void *) skb->data;
- struct smp_cmd_pairing_confirm cp;
- struct crypto_blkcipher *tfm = conn->hcon->hdev->tfm;
+ struct smp_chan *smp = conn->smp_chan;
+ struct hci_dev *hdev = conn->hcon->hdev;
+ u8 key_size;
int ret;
- u8 res[16], key_size;
BT_DBG("conn %p", conn);
skb_pull(skb, sizeof(*rsp));
- req = (void *) &conn->preq[1];
+ req = (void *) &smp->preq[1];
key_size = min(req->max_key_size, rsp->max_key_size);
if (check_enc_key_size(conn, key_size))
@@ -295,222 +447,154 @@
return SMP_OOB_NOT_AVAIL;
/* Just works */
- memset(conn->tk, 0, sizeof(conn->tk));
+ memset(smp->tk, 0, sizeof(smp->tk));
- conn->prsp[0] = SMP_CMD_PAIRING_RSP;
- memcpy(&conn->prsp[1], rsp, sizeof(*rsp));
-
- ret = smp_rand(conn->prnd);
+ ret = smp_rand(smp->prnd);
if (ret)
return SMP_UNSPECIFIED;
- ret = smp_c1(tfm, conn->tk, conn->prnd, conn->preq, conn->prsp, 0,
- conn->src, conn->hcon->dst_type, conn->dst, res);
- if (ret)
- return SMP_UNSPECIFIED;
+ smp->prsp[0] = SMP_CMD_PAIRING_RSP;
+ memcpy(&smp->prsp[1], rsp, sizeof(*rsp));
- swap128(res, cp.confirm_val);
-
- smp_send_cmd(conn, SMP_CMD_PAIRING_CONFIRM, sizeof(cp), &cp);
+ queue_work(hdev->workqueue, &smp->confirm);
return 0;
}
static u8 smp_cmd_pairing_confirm(struct l2cap_conn *conn, struct sk_buff *skb)
{
- struct crypto_blkcipher *tfm = conn->hcon->hdev->tfm;
+ struct smp_chan *smp = conn->smp_chan;
+ struct hci_dev *hdev = conn->hcon->hdev;
BT_DBG("conn %p %s", conn, conn->hcon->out ? "master" : "slave");
- memcpy(conn->pcnf, skb->data, sizeof(conn->pcnf));
- skb_pull(skb, sizeof(conn->pcnf));
+ memcpy(smp->pcnf, skb->data, sizeof(smp->pcnf));
+ skb_pull(skb, sizeof(smp->pcnf));
if (conn->hcon->out) {
u8 random[16];
- swap128(conn->prnd, random);
+ swap128(smp->prnd, random);
smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(random),
random);
} else {
- struct smp_cmd_pairing_confirm cp;
- int ret;
- u8 res[16];
-
- ret = smp_rand(conn->prnd);
- if (ret)
- return SMP_UNSPECIFIED;
-
- ret = smp_c1(tfm, conn->tk, conn->prnd, conn->preq, conn->prsp,
- conn->hcon->dst_type, conn->dst,
- 0, conn->src, res);
- if (ret)
- return SMP_CONFIRM_FAILED;
-
- swap128(res, cp.confirm_val);
-
- smp_send_cmd(conn, SMP_CMD_PAIRING_CONFIRM, sizeof(cp), &cp);
+ queue_work(hdev->workqueue, &smp->confirm);
}
- mod_timer(&conn->security_timer, jiffies +
- msecs_to_jiffies(SMP_TIMEOUT));
-
return 0;
}
static u8 smp_cmd_pairing_random(struct l2cap_conn *conn, struct sk_buff *skb)
{
- struct hci_conn *hcon = conn->hcon;
- struct crypto_blkcipher *tfm = hcon->hdev->tfm;
- int ret;
- u8 key[16], res[16], random[16], confirm[16];
+ struct smp_chan *smp = conn->smp_chan;
+ struct hci_dev *hdev = conn->hcon->hdev;
- swap128(skb->data, random);
- skb_pull(skb, sizeof(random));
+ BT_DBG("conn %p", conn);
- if (conn->hcon->out)
- ret = smp_c1(tfm, conn->tk, random, conn->preq, conn->prsp, 0,
- conn->src, conn->hcon->dst_type, conn->dst,
- res);
- else
- ret = smp_c1(tfm, conn->tk, random, conn->preq, conn->prsp,
- conn->hcon->dst_type, conn->dst, 0, conn->src,
- res);
- if (ret)
- return SMP_UNSPECIFIED;
+ swap128(skb->data, smp->rrnd);
+ skb_pull(skb, sizeof(smp->rrnd));
- BT_DBG("conn %p %s", conn, conn->hcon->out ? "master" : "slave");
-
- swap128(res, confirm);
-
- if (memcmp(conn->pcnf, confirm, sizeof(conn->pcnf)) != 0) {
- BT_ERR("Pairing failed (confirmation values mismatch)");
- return SMP_CONFIRM_FAILED;
- }
-
- if (conn->hcon->out) {
- u8 stk[16], rand[8];
- __le16 ediv;
-
- memset(rand, 0, sizeof(rand));
- ediv = 0;
-
- smp_s1(tfm, conn->tk, random, conn->prnd, key);
- swap128(key, stk);
-
- memset(stk + conn->smp_key_size, 0,
- SMP_MAX_ENC_KEY_SIZE - conn->smp_key_size);
-
- hci_le_start_enc(hcon, ediv, rand, stk);
- hcon->enc_key_size = conn->smp_key_size;
- } else {
- u8 stk[16], r[16], rand[8];
- __le16 ediv;
-
- memset(rand, 0, sizeof(rand));
- ediv = 0;
-
- swap128(conn->prnd, r);
- smp_send_cmd(conn, SMP_CMD_PAIRING_RANDOM, sizeof(r), r);
-
- smp_s1(tfm, conn->tk, conn->prnd, random, key);
- swap128(key, stk);
-
- memset(stk + conn->smp_key_size, 0,
- SMP_MAX_ENC_KEY_SIZE - conn->smp_key_size);
-
- hci_add_ltk(conn->hcon->hdev, 0, conn->dst, conn->smp_key_size,
- ediv, rand, stk);
- }
+ queue_work(hdev->workqueue, &smp->random);
return 0;
}
+static u8 smp_ltk_encrypt(struct l2cap_conn *conn)
+{
+ struct link_key *key;
+ struct key_master_id *master;
+ struct hci_conn *hcon = conn->hcon;
+
+ key = hci_find_link_key_type(hcon->hdev, conn->dst,
+ HCI_LK_SMP_LTK);
+ if (!key)
+ return 0;
+
+ if (test_and_set_bit(HCI_CONN_ENCRYPT_PEND,
+ &hcon->pend))
+ return 1;
+
+ master = (void *) key->data;
+ hci_le_start_enc(hcon, master->ediv, master->rand,
+ key->val);
+ hcon->enc_key_size = key->pin_len;
+
+ return 1;
+
+}
static u8 smp_cmd_security_req(struct l2cap_conn *conn, struct sk_buff *skb)
{
struct smp_cmd_security_req *rp = (void *) skb->data;
struct smp_cmd_pairing cp;
struct hci_conn *hcon = conn->hcon;
+ struct smp_chan *smp;
BT_DBG("conn %p", conn);
- if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend))
+ hcon->pending_sec_level = BT_SECURITY_MEDIUM;
+
+ if (smp_ltk_encrypt(conn))
return 0;
+ if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->pend))
+ return 0;
+
+ smp = smp_chan_create(conn);
+
skb_pull(skb, sizeof(*rp));
memset(&cp, 0, sizeof(cp));
build_pairing_cmd(conn, &cp, NULL, rp->auth_req);
- conn->preq[0] = SMP_CMD_PAIRING_REQ;
- memcpy(&conn->preq[1], &cp, sizeof(cp));
+ smp->preq[0] = SMP_CMD_PAIRING_REQ;
+ memcpy(&smp->preq[1], &cp, sizeof(cp));
smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
- mod_timer(&conn->security_timer, jiffies +
- msecs_to_jiffies(SMP_TIMEOUT));
-
- set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend);
-
return 0;
}
int smp_conn_security(struct l2cap_conn *conn, __u8 sec_level)
{
struct hci_conn *hcon = conn->hcon;
- __u8 authreq;
+ struct smp_chan *smp = conn->smp_chan;
BT_DBG("conn %p hcon %p level 0x%2.2x", conn, hcon, sec_level);
if (!lmp_host_le_capable(hcon->hdev))
return 1;
- if (IS_ERR(hcon->hdev->tfm))
- return 1;
-
- if (test_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend))
- return 0;
-
if (sec_level == BT_SECURITY_LOW)
return 1;
if (hcon->sec_level >= sec_level)
return 1;
- authreq = seclevel_to_authreq(sec_level);
+ if (hcon->link_mode & HCI_LM_MASTER)
+ if (smp_ltk_encrypt(conn))
+ goto done;
+
+ if (test_and_set_bit(HCI_CONN_LE_SMP_PEND, &hcon->pend))
+ return 0;
+
+ smp = smp_chan_create(conn);
if (hcon->link_mode & HCI_LM_MASTER) {
struct smp_cmd_pairing cp;
- struct link_key *key;
- key = hci_find_link_key_type(hcon->hdev, conn->dst,
- HCI_LK_SMP_LTK);
- if (key) {
- struct key_master_id *master = (void *) key->data;
-
- hci_le_start_enc(hcon, master->ediv, master->rand,
- key->val);
- hcon->enc_key_size = key->pin_len;
-
- goto done;
- }
-
- build_pairing_cmd(conn, &cp, NULL, authreq);
- conn->preq[0] = SMP_CMD_PAIRING_REQ;
- memcpy(&conn->preq[1], &cp, sizeof(cp));
-
- mod_timer(&conn->security_timer, jiffies +
- msecs_to_jiffies(SMP_TIMEOUT));
+ build_pairing_cmd(conn, &cp, NULL, SMP_AUTH_NONE);
+ smp->preq[0] = SMP_CMD_PAIRING_REQ;
+ memcpy(&smp->preq[1], &cp, sizeof(cp));
smp_send_cmd(conn, SMP_CMD_PAIRING_REQ, sizeof(cp), &cp);
} else {
struct smp_cmd_security_req cp;
- cp.auth_req = authreq;
+ cp.auth_req = SMP_AUTH_NONE;
smp_send_cmd(conn, SMP_CMD_SECURITY_REQ, sizeof(cp), &cp);
}
done:
hcon->pending_sec_level = sec_level;
- set_bit(HCI_CONN_ENCRYPT_PEND, &hcon->pend);
return 0;
}
@@ -518,10 +602,11 @@
static int smp_cmd_encrypt_info(struct l2cap_conn *conn, struct sk_buff *skb)
{
struct smp_cmd_encrypt_info *rp = (void *) skb->data;
+ struct smp_chan *smp = conn->smp_chan;
skb_pull(skb, sizeof(*rp));
- memcpy(conn->tk, rp->ltk, sizeof(conn->tk));
+ memcpy(smp->tk, rp->ltk, sizeof(smp->tk));
return 0;
}
@@ -529,11 +614,12 @@
static int smp_cmd_master_ident(struct l2cap_conn *conn, struct sk_buff *skb)
{
struct smp_cmd_master_ident *rp = (void *) skb->data;
+ struct smp_chan *smp = conn->smp_chan;
skb_pull(skb, sizeof(*rp));
- hci_add_ltk(conn->hcon->hdev, 1, conn->src, conn->smp_key_size,
- rp->ediv, rp->rand, conn->tk);
+ hci_add_ltk(conn->hcon->hdev, 1, conn->src, smp->smp_key_size,
+ rp->ediv, rp->rand, smp->tk);
smp_distribute_keys(conn, 1);
@@ -552,12 +638,6 @@
goto done;
}
- if (IS_ERR(conn->hcon->hdev->tfm)) {
- err = PTR_ERR(conn->hcon->hdev->tfm);
- reason = SMP_PAIRING_NOTSUPP;
- goto done;
- }
-
skb_pull(skb, sizeof(code));
switch (code) {
@@ -621,20 +701,21 @@
int smp_distribute_keys(struct l2cap_conn *conn, __u8 force)
{
struct smp_cmd_pairing *req, *rsp;
+ struct smp_chan *smp = conn->smp_chan;
__u8 *keydist;
BT_DBG("conn %p force %d", conn, force);
- if (IS_ERR(conn->hcon->hdev->tfm))
- return PTR_ERR(conn->hcon->hdev->tfm);
+ if (!test_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->pend))
+ return 0;
- rsp = (void *) &conn->prsp[1];
+ rsp = (void *) &smp->prsp[1];
/* The responder sends its keys first */
if (!force && conn->hcon->out && (rsp->resp_key_dist & 0x07))
return 0;
- req = (void *) &conn->preq[1];
+ req = (void *) &smp->preq[1];
if (conn->hcon->out) {
keydist = &rsp->init_key_dist;
@@ -658,7 +739,7 @@
smp_send_cmd(conn, SMP_CMD_ENCRYPT_INFO, sizeof(enc), &enc);
- hci_add_ltk(conn->hcon->hdev, 1, conn->dst, conn->smp_key_size,
+ hci_add_ltk(conn->hcon->hdev, 1, conn->dst, smp->smp_key_size,
ediv, ident.rand, enc.ltk);
ident.ediv = cpu_to_le16(ediv);
@@ -698,5 +779,11 @@
*keydist &= ~SMP_DIST_SIGN;
}
+ if (conn->hcon->out || force) {
+ clear_bit(HCI_CONN_LE_SMP_PEND, &conn->hcon->pend);
+ del_timer(&conn->security_timer);
+ smp_chan_destroy(conn);
+ }
+
return 0;
}