emulator/btdev: Add support for negative LTK reply

diff --git a/emulator/btdev.c b/emulator/btdev.c
index c127c0b..6a3b163 100644 (file)
--- a/emulator/btdev.c
+++ b/emulator/btdev.c
@@ -1561,6 +1561,32 @@ static void le_encrypt_complete(struct btdev *btdev)
        send_event(remote, BT_HCI_EVT_ENCRYPT_CHANGE, &ev, sizeof(ev));
 }
 
+static void ltk_neg_reply_complete(struct btdev *btdev)
+{
+       struct bt_hci_rsp_le_ltk_req_neg_reply rp;
+       struct bt_hci_evt_encrypt_change ev;
+       struct btdev *remote = btdev->conn;
+
+       memset(&rp, 0, sizeof(rp));
+       rp.handle = cpu_to_le16(42);
+
+       if (!remote) {
+               rp.status = BT_HCI_ERR_UNKNOWN_CONN_ID;
+               cmd_complete(btdev, BT_HCI_CMD_LE_LTK_REQ_NEG_REPLY, &rp,
+                                                       sizeof(rp));
+               return;
+       }
+
+       rp.status = BT_HCI_ERR_SUCCESS;
+       cmd_complete(btdev, BT_HCI_CMD_LE_LTK_REQ_NEG_REPLY, &rp, sizeof(rp));
+
+       memset(&ev, 0, sizeof(ev));
+       ev.status = BT_HCI_ERR_PIN_OR_KEY_MISSING;
+       ev.handle = cpu_to_le16(42);
+
+       send_event(remote, BT_HCI_EVT_ENCRYPT_CHANGE, &ev, sizeof(ev));
+}
+
 static void default_cmd(struct btdev *btdev, uint16_t opcode,
                                                const void *data, uint8_t len)
 {
@@ -2526,6 +2552,12 @@ static void default_cmd(struct btdev *btdev, uint16_t opcode,
                le_encrypt_complete(btdev);
                break;
 
+       case BT_HCI_CMD_LE_LTK_REQ_NEG_REPLY:
+               if (btdev->type == BTDEV_TYPE_BREDR)
+                       goto unsupported;
+               ltk_neg_reply_complete(btdev);
+               break;
+
        case BT_HCI_CMD_SETUP_SYNC_CONN:
                if (btdev->type == BTDEV_TYPE_LE)
                        goto unsupported;