This patch adds a command to read local OOB data to the managment interface.
The command maps directly to the Read Local OOB Data HCI command.
Signed-off-by: Szymon Janc <szymon.janc@xxxxxxxxx>
---
include/net/bluetooth/hci.h | 7 +++
include/net/bluetooth/hci_core.h | 2 +
include/net/bluetooth/mgmt.h | 6 +++
net/bluetooth/hci_event.c | 15 +++++++
net/bluetooth/mgmt.c | 85 ++++++++++++++++++++++++++++++++++++++
5 files changed, 115 insertions(+), 0 deletions(-)
diff --git a/include/net/bluetooth/hci.h b/include/net/bluetooth/hci.h
index ec6acf2..20840dc 100644
--- a/include/net/bluetooth/hci.h
+++ b/include/net/bluetooth/hci.h
@@ -611,6 +611,13 @@ struct hci_cp_write_ssp_mode {
__u8 mode;
} __packed;
+#define HCI_OP_READ_LOCAL_OOB_DATA 0x0c57
+struct hci_rp_read_local_oob_data {
+ __u8 status;
+ __u8 hash[16];
+ __u8 randomizer[16];
+} __packed;
+
#define HCI_OP_READ_INQ_RSP_TX_POWER 0x0c58
#define HCI_OP_READ_LOCAL_VERSION 0x1001
diff --git a/include/net/bluetooth/hci_core.h b/include/net/bluetooth/hci_core.h
index 441dadb..c8b7ee6 100644
--- a/include/net/bluetooth/hci_core.h
+++ b/include/net/bluetooth/hci_core.h
@@ -767,6 +767,8 @@ 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);
int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status);
+int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
+ u8 status);
/* HCI info for socket */
#define hci_pi(sk) ((struct hci_pinfo *) sk)
diff --git a/include/net/bluetooth/mgmt.h b/include/net/bluetooth/mgmt.h
index 5fabfa8..916b1c6 100644
--- a/include/net/bluetooth/mgmt.h
+++ b/include/net/bluetooth/mgmt.h
@@ -167,6 +167,12 @@ struct mgmt_rp_user_confirm_reply {
#define MGMT_OP_USER_CONFIRM_NEG_REPLY 0x0016
+#define MGMT_OP_READ_LOCAL_OOB_DATA 0x0017
+struct mgmt_rp_read_local_oob_data {
+ __u8 hash[16];
+ __u8 randomizer[16];
+} __packed;
+
#define MGMT_EV_CMD_COMPLETE 0x0001
struct mgmt_ev_cmd_complete {
__le16 opcode;
diff --git a/net/bluetooth/hci_event.c b/net/bluetooth/hci_event.c
index 3fbfa50..4faab87 100644
--- a/net/bluetooth/hci_event.c
+++ b/net/bluetooth/hci_event.c
@@ -807,6 +807,17 @@ static void hci_cc_user_confirm_reply(struct hci_dev *hdev, struct sk_buff *skb)
rp->status);
}
+static void hci_cc_read_local_oob_data_reply(struct hci_dev *hdev,
+ struct sk_buff *skb)
+{
+ struct hci_rp_read_local_oob_data *rp = (void *) skb->data;
+
+ BT_DBG("%s status 0x%x", hdev->name, rp->status);
+
+ mgmt_read_local_oob_data_reply_complete(hdev->id, rp->hash,
+ rp->randomizer, rp->status);
+}
+
static void hci_cc_user_confirm_neg_reply(struct hci_dev *hdev,
struct sk_buff *skb)
{
@@ -1749,6 +1760,10 @@ static inline void hci_cmd_complete_evt(struct hci_dev *hdev, struct sk_buff *sk
hci_cc_pin_code_neg_reply(hdev, skb);
break;
+ case HCI_OP_READ_LOCAL_OOB_DATA:
+ hci_cc_read_local_oob_data_reply(hdev, skb);
+ break;
+
case HCI_OP_LE_READ_BUFFER_SIZE:
hci_cc_le_read_buffer_size(hdev, skb);
break;
diff --git a/net/bluetooth/mgmt.c b/net/bluetooth/mgmt.c
index 97d7240..ba43b85 100644
--- a/net/bluetooth/mgmt.c
+++ b/net/bluetooth/mgmt.c
@@ -1259,6 +1259,57 @@ failed:
return err;
}
+static int read_local_oob_data(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_READ_LOCAL_OOB_DATA,
+ ENODEV);
+
+ hci_dev_lock_bh(hdev);
+
+ if (!test_bit(HCI_UP, &hdev->flags)) {
+ err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
+ ENETDOWN);
+ goto unlock;
+ }
+
+ if (!(hdev->features[6] & LMP_SIMPLE_PAIR)) {
+ err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
+ EOPNOTSUPP);
+ goto unlock;
+ }
+
+ if (mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, index)) {
+ err = cmd_status(sk, index, MGMT_OP_READ_LOCAL_OOB_DATA, EBUSY);
+ goto unlock;
+ }
+
+ cmd = mgmt_pending_add(sk, MGMT_OP_READ_LOCAL_OOB_DATA, index, NULL, 0);
+
+ if (!cmd) {
+ err = -ENOMEM;
+ goto unlock;
+ }
+
+ err = hci_send_cmd(hdev, HCI_OP_READ_LOCAL_OOB_DATA, 0, NULL);
+
+ if (err < 0)
+ mgmt_pending_remove(cmd);
+
+unlock:
+ 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;
@@ -1354,6 +1405,10 @@ int mgmt_control(struct sock *sk, struct msghdr *msg, size_t msglen)
case MGMT_OP_USER_CONFIRM_NEG_REPLY:
err = user_confirm_reply(sk, index, buf + sizeof(*hdr), len, 0);
break;
+ case MGMT_OP_READ_LOCAL_OOB_DATA:
+ err = read_local_oob_data(sk, index);
+ break;
+
default:
BT_DBG("Unknown op %u", opcode);
err = cmd_status(sk, index, opcode, 0x01);
@@ -1652,3 +1707,33 @@ int mgmt_auth_failed(u16 index, bdaddr_t *bdaddr, u8 status)
return mgmt_event(MGMT_EV_AUTH_FAILED, index, &ev, sizeof(ev), NULL);
}
+
+int mgmt_read_local_oob_data_reply_complete(u16 index, u8 *hash, u8 *randomizer,
+ u8 status)
+{
+ struct pending_cmd *cmd;
+ int err;
+
+ BT_DBG("hci%u status %u", index, status);
+
+ cmd = mgmt_pending_find(MGMT_OP_READ_LOCAL_OOB_DATA, index);
+ if (!cmd)
+ return -ENOENT;
+
+ if (status) {
+ err = cmd_status(cmd->sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
+ EIO);
+ } else {
+ struct mgmt_rp_read_local_oob_data rp;
+
+ memcpy(rp.hash, hash, 16);
+ memcpy(rp.randomizer, randomizer, 16);
+
+ err = cmd_complete(cmd->sk, index, MGMT_OP_READ_LOCAL_OOB_DATA,
+ &rp, sizeof(rp));
+ }
+
+ mgmt_pending_remove(cmd);
+
+ return err;
+}
--
1.7.0.4
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