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Diffstat (limited to 'net/bluetooth/mgmt.c')
-rw-r--r--net/bluetooth/mgmt.c212
1 files changed, 152 insertions, 60 deletions
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 53e109eb043e..5a94eec06caa 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -908,7 +908,7 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
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 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
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 @@ static int load_keys(struct sock *sk, u16 index, unsigned char *data, u16 len)
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 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
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 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
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 @@ static int pair_device(struct sock *sk, u16 index, unsigned char *data, u16 len)
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 @@ static int block_device(struct sock *sk, u16 index, unsigned char *data,
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 @@ static int block_device(struct sock *sk, u16 index, unsigned char *data,
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 @@ static int block_device(struct sock *sk, u16 index, unsigned char *data,
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 @@ static int unblock_device(struct sock *sk, u16 index, unsigned char *data,
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 @@ static int unblock_device(struct sock *sk, u16 index, unsigned char *data,
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 @@ static int unblock_device(struct sock *sk, u16 index, unsigned char *data,
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 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
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_connectable(u16 index, u8 connectable)
int mgmt_new_key(u16 index, struct link_key *key, u8 persistent)
{
- struct mgmt_ev_new_key *ev;
- int err, total;
-
- total = sizeof(struct mgmt_ev_new_key) + key->dlen;
- ev = kzalloc(total, GFP_ATOMIC);
- if (!ev)
- return -ENOMEM;
-
- 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;
+ struct mgmt_ev_new_key ev;
- memcpy(ev->key.data, key->data, key->dlen);
-
- err = mgmt_event(MGMT_EV_NEW_KEY, index, ev, total, NULL);
+ memset(&ev, 0, sizeof(ev));
- kfree(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;
- 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 @@ int mgmt_device_found(u16 index, bdaddr_t *bdaddr, u8 *dev_class, s8 rssi,
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 @@ int mgmt_discovering(u16 index, u8 discovering)
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);
+}