}
}
+ if (instance) {
+ memcpy(ptr, hdev->adv_instance.adv_data,
+ hdev->adv_instance.adv_data_len);
+
+ ad_len += hdev->adv_instance.adv_data_len;
+ ptr += hdev->adv_instance.adv_data_len;
+ }
+
/* Provide Tx Power only if we can provide a valid value for it */
if (hdev->adv_tx_power != HCI_TX_POWER_INVALID &&
(instance_flags & MGMT_ADV_FLAG_TX_POWER)) {
ptr += 3;
}
- if (instance) {
- memcpy(ptr, hdev->adv_instance.adv_data,
- hdev->adv_instance.adv_data_len);
- ad_len += hdev->adv_instance.adv_data_len;
- }
-
return ad_len;
}
return err;
}
+static void read_local_oob_data_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode, struct sk_buff *skb)
+{
+ struct mgmt_rp_read_local_oob_data mgmt_rp;
+ size_t rp_size = sizeof(mgmt_rp);
+ struct mgmt_pending_cmd *cmd;
+
+ BT_DBG("%s status %u", hdev->name, status);
+
+ cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
+ if (!cmd)
+ return;
+
+ if (status || !skb) {
+ mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+ status ? mgmt_status(status) : MGMT_STATUS_FAILED);
+ goto remove;
+ }
+
+ memset(&mgmt_rp, 0, sizeof(mgmt_rp));
+
+ if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
+ struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
+
+ if (skb->len < sizeof(*rp)) {
+ mgmt_cmd_status(cmd->sk, hdev->id,
+ MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_FAILED);
+ goto remove;
+ }
+
+ memcpy(mgmt_rp.hash192, rp->hash, sizeof(rp->hash));
+ memcpy(mgmt_rp.rand192, rp->rand, sizeof(rp->rand));
+
+ rp_size -= sizeof(mgmt_rp.hash256) + sizeof(mgmt_rp.rand256);
+ } else {
+ struct hci_rp_read_local_oob_ext_data *rp = (void *) skb->data;
+
+ if (skb->len < sizeof(*rp)) {
+ mgmt_cmd_status(cmd->sk, hdev->id,
+ MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_FAILED);
+ goto remove;
+ }
+
+ memcpy(mgmt_rp.hash192, rp->hash192, sizeof(rp->hash192));
+ memcpy(mgmt_rp.rand192, rp->rand192, sizeof(rp->rand192));
+
+ memcpy(mgmt_rp.hash256, rp->hash256, sizeof(rp->hash256));
+ memcpy(mgmt_rp.rand256, rp->rand256, sizeof(rp->rand256));
+ }
+
+ mgmt_cmd_complete(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
+ MGMT_STATUS_SUCCESS, &mgmt_rp, rp_size);
+
+remove:
+ mgmt_pending_remove(cmd);
+}
+
static int read_local_oob_data(struct sock *sk, struct hci_dev *hdev,
void *data, u16 data_len)
{
struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
int err;
BT_DBG("%s", hdev->name);
goto unlock;
}
+ hci_req_init(&req, hdev);
+
if (bredr_sc_enabled(hdev))
- err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_EXT_DATA,
- 0, NULL);
+ hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
else
- err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
+ hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
+ err = hci_req_run_skb(&req, read_local_oob_data_complete);
if (err < 0)
mgmt_pending_remove(cmd);
return eir_len;
}
+static void read_local_oob_ext_data_complete(struct hci_dev *hdev, u8 status,
+ u16 opcode, struct sk_buff *skb)
+{
+ const struct mgmt_cp_read_local_oob_ext_data *mgmt_cp;
+ struct mgmt_rp_read_local_oob_ext_data *mgmt_rp;
+ u8 *h192, *r192, *h256, *r256;
+ struct mgmt_pending_cmd *cmd;
+ u16 eir_len;
+ int err;
+
+ BT_DBG("%s status %u", hdev->name, status);
+
+ cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev);
+ if (!cmd)
+ return;
+
+ mgmt_cp = cmd->param;
+
+ if (status) {
+ status = mgmt_status(status);
+ eir_len = 0;
+
+ h192 = NULL;
+ r192 = NULL;
+ h256 = NULL;
+ r256 = NULL;
+ } else if (opcode == HCI_OP_READ_LOCAL_OOB_DATA) {
+ struct hci_rp_read_local_oob_data *rp;
+
+ if (skb->len != sizeof(*rp)) {
+ status = MGMT_STATUS_FAILED;
+ eir_len = 0;
+ } else {
+ status = MGMT_STATUS_SUCCESS;
+ rp = (void *)skb->data;
+
+ eir_len = 5 + 18 + 18;
+ h192 = rp->hash;
+ r192 = rp->rand;
+ h256 = NULL;
+ r256 = NULL;
+ }
+ } else {
+ struct hci_rp_read_local_oob_ext_data *rp;
+
+ if (skb->len != sizeof(*rp)) {
+ status = MGMT_STATUS_FAILED;
+ eir_len = 0;
+ } else {
+ status = MGMT_STATUS_SUCCESS;
+ rp = (void *)skb->data;
+
+ if (hci_dev_test_flag(hdev, HCI_SC_ONLY)) {
+ eir_len = 5 + 18 + 18;
+ h192 = NULL;
+ r192 = NULL;
+ } else {
+ eir_len = 5 + 18 + 18 + 18 + 18;
+ h192 = rp->hash192;
+ r192 = rp->rand192;
+ }
+
+ h256 = rp->hash256;
+ r256 = rp->rand256;
+ }
+ }
+
+ mgmt_rp = kmalloc(sizeof(*mgmt_rp) + eir_len, GFP_KERNEL);
+ if (!mgmt_rp)
+ goto done;
+
+ if (status)
+ goto send_rsp;
+
+ eir_len = eir_append_data(mgmt_rp->eir, 0, EIR_CLASS_OF_DEV,
+ hdev->dev_class, 3);
+
+ if (h192 && r192) {
+ eir_len = eir_append_data(mgmt_rp->eir, eir_len,
+ EIR_SSP_HASH_C192, h192, 16);
+ eir_len = eir_append_data(mgmt_rp->eir, eir_len,
+ EIR_SSP_RAND_R192, r192, 16);
+ }
+
+ if (h256 && r256) {
+ eir_len = eir_append_data(mgmt_rp->eir, eir_len,
+ EIR_SSP_HASH_C256, h256, 16);
+ eir_len = eir_append_data(mgmt_rp->eir, eir_len,
+ EIR_SSP_RAND_R256, r256, 16);
+ }
+
+send_rsp:
+ mgmt_rp->type = mgmt_cp->type;
+ mgmt_rp->eir_len = cpu_to_le16(eir_len);
+
+ err = mgmt_cmd_complete(cmd->sk, hdev->id,
+ MGMT_OP_READ_LOCAL_OOB_EXT_DATA, status,
+ mgmt_rp, sizeof(*mgmt_rp) + eir_len);
+ if (err < 0 || status)
+ goto done;
+
+ hci_sock_set_flag(cmd->sk, HCI_MGMT_OOB_DATA_EVENTS);
+
+ err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
+ mgmt_rp, sizeof(*mgmt_rp) + eir_len,
+ HCI_MGMT_OOB_DATA_EVENTS, cmd->sk);
+done:
+ kfree(mgmt_rp);
+ mgmt_pending_remove(cmd);
+}
+
+static int read_local_ssp_oob_req(struct hci_dev *hdev, struct sock *sk,
+ struct mgmt_cp_read_local_oob_ext_data *cp)
+{
+ struct mgmt_pending_cmd *cmd;
+ struct hci_request req;
+ int err;
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_EXT_DATA, hdev,
+ cp, sizeof(*cp));
+ if (!cmd)
+ return -ENOMEM;
+
+ hci_req_init(&req, hdev);
+
+ if (bredr_sc_enabled(hdev))
+ hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_EXT_DATA, 0, NULL);
+ else
+ hci_req_add(&req, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
+
+ err = hci_req_run_skb(&req, read_local_oob_ext_data_complete);
+ if (err < 0) {
+ mgmt_pending_remove(cmd);
+ return err;
+ }
+
+ return 0;
+}
+
static int read_local_oob_ext_data(struct sock *sk, struct hci_dev *hdev,
void *data, u16 data_len)
{
BT_DBG("%s", hdev->name);
- if (!hdev_is_powered(hdev))
- return mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
- MGMT_STATUS_NOT_POWERED,
- &cp->type, sizeof(cp->type));
-
- switch (cp->type) {
- case BIT(BDADDR_BREDR):
- status = mgmt_bredr_support(hdev);
- if (status)
- return mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
- status, &cp->type,
- sizeof(cp->type));
- eir_len = 5;
- break;
- case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
- status = mgmt_le_support(hdev);
- if (status)
- return mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
- status, &cp->type,
- sizeof(cp->type));
- eir_len = 9 + 3 + 18 + 18 + 3;
- break;
- default:
- return mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
- MGMT_STATUS_INVALID_PARAMS,
- &cp->type, sizeof(cp->type));
+ if (hdev_is_powered(hdev)) {
+ switch (cp->type) {
+ case BIT(BDADDR_BREDR):
+ status = mgmt_bredr_support(hdev);
+ if (status)
+ eir_len = 0;
+ else
+ eir_len = 5;
+ break;
+ case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
+ status = mgmt_le_support(hdev);
+ if (status)
+ eir_len = 0;
+ else
+ eir_len = 9 + 3 + 18 + 18 + 3;
+ break;
+ default:
+ status = MGMT_STATUS_INVALID_PARAMS;
+ eir_len = 0;
+ break;
+ }
+ } else {
+ status = MGMT_STATUS_NOT_POWERED;
+ eir_len = 0;
}
rp_len = sizeof(*rp) + eir_len;
if (!rp)
return -ENOMEM;
+ if (status)
+ goto complete;
+
hci_dev_lock(hdev);
eir_len = 0;
switch (cp->type) {
case BIT(BDADDR_BREDR):
- eir_len = eir_append_data(rp->eir, eir_len, EIR_CLASS_OF_DEV,
- hdev->dev_class, 3);
+ if (hci_dev_test_flag(hdev, HCI_SSP_ENABLED)) {
+ err = read_local_ssp_oob_req(hdev, sk, cp);
+ hci_dev_unlock(hdev);
+ if (!err)
+ goto done;
+
+ status = MGMT_STATUS_FAILED;
+ goto complete;
+ } else {
+ eir_len = eir_append_data(rp->eir, eir_len,
+ EIR_CLASS_OF_DEV,
+ hdev->dev_class, 3);
+ }
break;
case (BIT(BDADDR_LE_PUBLIC) | BIT(BDADDR_LE_RANDOM)):
if (hci_dev_test_flag(hdev, HCI_SC_ENABLED) &&
smp_generate_oob(hdev, hash, rand) < 0) {
hci_dev_unlock(hdev);
- err = mgmt_cmd_complete(sk, hdev->id,
- MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
- MGMT_STATUS_FAILED,
- &cp->type, sizeof(cp->type));
- goto done;
+ status = MGMT_STATUS_FAILED;
+ goto complete;
}
+ /* This should return the active RPA, but since the RPA
+ * is only programmed on demand, it is really hard to fill
+ * this in at the moment. For now disallow retrieving
+ * local out-of-band data when privacy is in use.
+ *
+ * Returning the identity address will not help here since
+ * pairing happens before the identity resolving key is
+ * known and thus the connection establishment happens
+ * based on the RPA and not the identity address.
+ */
if (hci_dev_test_flag(hdev, HCI_PRIVACY)) {
- memcpy(addr, &hdev->rpa, 6);
- addr[6] = 0x01;
- } else if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
- !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
- (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
- bacmp(&hdev->static_addr, BDADDR_ANY))) {
+ hci_dev_unlock(hdev);
+ status = MGMT_STATUS_REJECTED;
+ goto complete;
+ }
+
+ if (hci_dev_test_flag(hdev, HCI_FORCE_STATIC_ADDR) ||
+ !bacmp(&hdev->bdaddr, BDADDR_ANY) ||
+ (!hci_dev_test_flag(hdev, HCI_BREDR_ENABLED) &&
+ bacmp(&hdev->static_addr, BDADDR_ANY))) {
memcpy(addr, &hdev->static_addr, 6);
addr[6] = 0x01;
} else {
hci_sock_set_flag(sk, HCI_MGMT_OOB_DATA_EVENTS);
+ status = MGMT_STATUS_SUCCESS;
+
+complete:
rp->type = cp->type;
rp->eir_len = cpu_to_le16(eir_len);
err = mgmt_cmd_complete(sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_EXT_DATA,
- MGMT_STATUS_SUCCESS, rp, sizeof(*rp) + eir_len);
- if (err < 0)
+ status, rp, sizeof(*rp) + eir_len);
+ if (err < 0 || status)
goto done;
err = mgmt_limited_event(MGMT_EV_LOCAL_OOB_DATA_UPDATED, hdev,
cmd ? cmd->sk : NULL);
}
-void mgmt_read_local_oob_data_complete(struct hci_dev *hdev, u8 *hash192,
- u8 *rand192, u8 *hash256, u8 *rand256,
- u8 status)
-{
- struct mgmt_pending_cmd *cmd;
-
- BT_DBG("%s status %u", hdev->name, status);
-
- cmd = pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, hdev);
- if (!cmd)
- return;
-
- if (status) {
- mgmt_cmd_status(cmd->sk, hdev->id, MGMT_OP_READ_LOCAL_OOB_DATA,
- mgmt_status(status));
- } else {
- struct mgmt_rp_read_local_oob_data rp;
- size_t rp_size = sizeof(rp);
-
- memcpy(rp.hash192, hash192, sizeof(rp.hash192));
- memcpy(rp.rand192, rand192, sizeof(rp.rand192));
-
- if (bredr_sc_enabled(hdev) && hash256 && rand256) {
- memcpy(rp.hash256, hash256, sizeof(rp.hash256));
- memcpy(rp.rand256, rand256, sizeof(rp.rand256));
- } else {
- rp_size -= sizeof(rp.hash256) + sizeof(rp.rand256);
- }
-
- mgmt_cmd_complete(cmd->sk, hdev->id,
- MGMT_OP_READ_LOCAL_OOB_DATA, 0,
- &rp, rp_size);
- }
-
- mgmt_pending_remove(cmd);
-}
-
static inline bool has_uuid(u8 *uuid, u16 uuid_count, u8 (*uuids)[16])
{
int i;
projects / firefly-linux-kernel-4.4.55.git / blobdiff