bt-api/bt-hid-device.c

   1 /*
   2  * Copyright (c) 2011 Samsung Electronics Co., Ltd All Rights Reserved
   3  *
   4  * Licensed under the Apache License, Version 2.0 (the "License");
   5  * you may not use this file except in compliance with the License.
   6  * You may obtain a copy of the License at
   7  *
   8  *              http://www.apache.org/licenses/LICENSE-2.0
   9  *
  10  * Unless required by applicable law or agreed to in writing, software
  11  * distributed under the License is distributed on an "AS IS" BASIS,
  12  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  13  * See the License for the specific language governing permissions and
  14  * limitations under the License.
  15  *
  16  */
  17 #include <gio/gio.h>
  18 #include <gio/gunixfdlist.h>
  19 #include <sys/socket.h>
  20
  21 #include "bluetooth-api.h"
  22 #include "bt-internal-types.h"
  23 #include "bluetooth-hid-api.h"
  24 #include "bt-common.h"
  25 #include "bt-request-sender.h"
  26 #include "bt-event-handler.h"
  27
  28 #define HID_UUID                "00001124-0000-1000-8000-00805f9b34fb"
  29 #define HID_DEVICE_UUID "00001124-0000-1000-8000-00805f9b43bf"
  30 #define REPORTID_MOUSE  1
  31 #define BT_HID_BUFFER_LEN 100
  32
  33 /* HIDP header masks */
  34 #define BT_HID_HEADER_TRANS_MASK                        0xf0
  35 #define BT_HID_HEADER_PARAM_MASK                        0x0f
  36
  37 /* HIDP transaction types */
  38 #define BT_HID_TRANS_HANDSHAKE                  0x00
  39 #define BT_HID_TRANS_HID_CONTROL                        0x10
  40 #define BT_HID_TRANS_GET_REPORT                 0x40
  41 #define BT_HID_TRANS_SET_REPORT                 0x50
  42 #define BT_HID_TRANS_GET_PROTOCOL                       0x60
  43 #define BT_HID_TRANS_SET_PROTOCOL                       0x70
  44 #define BT_HID_TRANS_GET_IDLE                   0x80
  45 #define BT_HID_TRANS_SET_IDLE                   0x90
  46 #define BT_HID_TRANS_DATA                               0xa0
  47 #define BT_HID_TRANS_DATC                               0xb0
  48
  49 #define BT_HID_DATA_RTYPE_INPUT                 0x01
  50 #define BT_HID_DATA_RTYPE_OUTPUT                        0x02
  51
  52 #define BT_HID_HSHK_SUCCESSFUL  0x00
  53 #define BT_HID_HSHK_NOT_READY   0x01
  54 #define BT_HID_HSHK_ERR_INVALID_REPORT_ID       0x02
  55 #define BT_HID_HSHK_ERR_UNSUPPORTED_REQUEST     0x03
  56 #define BT_HID_HSHK_ERR_INVALID_PARAMETER       0x04
  57 #define BT_HID_HSHK_ERR_UNKNOWN 0x0E
  58 #define BT_HID_HSHK_ERR_FATAL   0x0F
  59
  60 typedef struct {
  61         guint object_id;
  62         gchar *path;
  63         int id;
  64         char *uuid;
  65         GSList *device_list;
  66 } hid_info_t;
  67
  68 typedef struct {
  69         int ctrl_fd;
  70         int intr_fd;
  71         GIOChannel *ctrl_data_io;
  72         GIOChannel *intr_data_io;
  73         guint ctrl_data_id;
  74         guint intr_data_id;
  75         char *address;
  76         guint disconnect_idle_id;
  77 } hid_connected_device_info_t;
  78
  79 struct reports {
  80         guint8 type;
  81         guint8 rep_data[20];
  82 } __attribute__((__packed__));
  83
  84 static hid_info_t *hid_info = NULL;
  85
  86 /* Variable for privilege, only for write API,
  87   before we should reduce time to bt-service dbus calling
  88   -1 : Don't have a permission to access API
  89   0 : Initial value, not yet check
  90   1 : Have a permission to access API
  91 */
  92 static int privilege_token_send_mouse = 0;
  93 static int privilege_token_send_key = 0;
  94 static int privilege_token_reply = 0;
  95
  96 static gboolean __hid_disconnect(hid_connected_device_info_t *info);
  97
  98 int _bt_hid_device_get_fd(const char *address, int *ctrl, int *intr)
  99 {
 100
 101         int ret = BLUETOOTH_ERROR_NONE;
 102         char *adapter_path;
 103         GVariant *result = NULL;
 104         GError *err = NULL;
 105         GDBusConnection *conn;
 106         GDBusProxy *server_proxy;
 107         int index1 = 0;
 108         int index2 = 0;
 109         GUnixFDList *out_fd_list = NULL;
 110         conn = _bt_gdbus_get_system_gconn();
 111         retv_if(conn == NULL, BLUETOOTH_ERROR_INTERNAL);
 112
 113         adapter_path = _bt_get_device_object_path((char *)address);
 114         retv_if(adapter_path == NULL, BLUETOOTH_ERROR_INTERNAL);
 115         BT_INFO_C("Device : %s", adapter_path);
 116         server_proxy = g_dbus_proxy_new_sync(conn, G_DBUS_PROXY_FLAGS_NONE,
 117                         NULL, BT_BLUEZ_NAME,
 118                         adapter_path, "org.bluez.Input1",  NULL, NULL);
 119         g_free(adapter_path);
 120
 121         if (server_proxy == NULL) {
 122                 BT_ERR("Failed to get the network server proxy\n");
 123                 return BLUETOOTH_ERROR_INTERNAL;
 124         }
 125
 126         result = g_dbus_proxy_call_with_unix_fd_list_sync(server_proxy, "GetFD",
 127                                  NULL,
 128                                  G_DBUS_CALL_FLAGS_NONE,
 129                                  -1,
 130                                  NULL,
 131                                  &out_fd_list,
 132                                  NULL,
 133                                  &err);
 134         if (result == NULL) {
 135                 if (err != NULL) {
 136                         g_dbus_error_strip_remote_error(err);
 137                         BT_ERR("INPUT server register Error: %s\n", err->message);
 138                         if (g_strcmp0(err->message, "Already Exists") == 0) {
 139                                 ret = BLUETOOTH_ERROR_ALREADY_INITIALIZED;
 140                         } else {
 141                                 ret = BLUETOOTH_ERROR_INTERNAL;
 142                         }
 143                         g_error_free(err);
 144                 }
 145         } else {
 146                 g_variant_get (result, "(hh)", &index1, &index2);
 147                 int fd1 = g_unix_fd_list_get(out_fd_list, index1, NULL);
 148                 int fd2 = g_unix_fd_list_get(out_fd_list, index2, NULL);
 149
 150                 *ctrl = fd1;
 151                 *intr = fd2;
 152                 g_object_unref(out_fd_list);
 153                 g_variant_unref(result);
 154         }
 155         g_object_unref(server_proxy);
 156         return ret;
 157 }
 158
 159 static hid_connected_device_info_t *__find_hid_info_with_address(const char *remote_addr)
 160 {
 161         GSList *l;
 162
 163         for (l = hid_info->device_list; l != NULL; l = l->next) {
 164                 hid_connected_device_info_t *info = l->data;
 165                 if (g_strcmp0((const char *)info->address, (const char *)remote_addr) == 0)
 166                         return info;
 167         }
 168         return NULL;
 169 }
 170
 171 static void __hid_connected_cb(hid_connected_device_info_t *info,
 172                         int result)
 173 {
 174         bluetooth_hid_request_t conn_info;
 175         bt_event_info_t *event_info = NULL;
 176
 177         event_info = _bt_event_get_cb_data(BT_HID_DEVICE_EVENT);
 178         if (event_info == NULL)
 179                 return;
 180
 181         memset(&conn_info, 0x00, sizeof(bluetooth_hid_request_t));
 182         if (info->intr_fd != -1 && info->ctrl_fd == -1)
 183                 conn_info.socket_fd = info->intr_fd;
 184         else
 185                 conn_info.socket_fd = info->ctrl_fd;
 186         _bt_convert_addr_string_to_type (conn_info.device_addr.addr , info->address);
 187
 188         if (result == BLUETOOTH_ERROR_NONE)
 189                 BT_INFO_C("Connected [HID Device]");
 190
 191         _bt_common_event_cb(BLUETOOTH_HID_DEVICE_CONNECTED,
 192                         result, &conn_info,
 193                         event_info->cb, event_info->user_data);
 194 }
 195
 196 static void __hid_connect_response_cb(GDBusProxy *proxy, GAsyncResult *res,
 197                         gpointer user_data)
 198
 199 {
 200         int result;
 201         GError *error = NULL;
 202         GVariant *ret = NULL;
 203         hid_connected_device_info_t info;
 204         const char *path;
 205
 206         BT_DBG("+");
 207
 208         ret = g_dbus_proxy_call_finish(proxy, res, &error);
 209         if (ret == NULL) {
 210                 g_dbus_error_strip_remote_error(error);
 211                 BT_ERR("Error : %s \n", error->message);
 212
 213                 if (g_strcmp0(error->message, "In Progress") == 0)
 214                         result = BLUETOOTH_ERROR_DEVICE_BUSY;
 215                 else
 216                         result = BLUETOOTH_ERROR_INTERNAL;
 217
 218                 info.ctrl_fd = -1;
 219                 info.intr_fd = -1;
 220
 221                 info.address = g_malloc0(BT_ADDRESS_STRING_SIZE);
 222
 223                 path = g_dbus_proxy_get_object_path(proxy);
 224                 _bt_convert_device_path_to_address(path, info.address);
 225
 226                 __hid_connected_cb(&info, result);
 227
 228                 g_free(info.address);
 229
 230                 g_error_free(error);
 231         } else {
 232                 g_variant_unref(ret);
 233         }
 234
 235         if (proxy)
 236                 g_object_unref(proxy);
 237
 238         BT_DBG("-");
 239 }
 240
 241 static gboolean __hid_disconnect(hid_connected_device_info_t *info)
 242 {
 243         bluetooth_hid_request_t disconn_info;
 244         int fd = info->ctrl_fd;
 245         bt_event_info_t *event_info;
 246
 247         BT_INFO_C("Disconnected [HID Device]");
 248         hid_info->device_list = g_slist_remove(hid_info->device_list, info);
 249         if (info->ctrl_data_id > 0) {
 250                 g_source_remove(info->ctrl_data_id);
 251                 info->ctrl_data_id = 0;
 252         }
 253         if (info->intr_data_id > 0) {
 254                 g_source_remove(info->intr_data_id);
 255                 info->intr_data_id = 0;
 256         }
 257
 258         if (info->ctrl_data_io) {
 259                 g_io_channel_shutdown(info->ctrl_data_io, TRUE, NULL);
 260                 g_io_channel_unref(info->ctrl_data_io);
 261                 info->ctrl_data_io = NULL;
 262         }
 263         if (info->intr_data_io) {
 264                 g_io_channel_shutdown(info->intr_data_io, TRUE, NULL);
 265                 g_io_channel_unref(info->intr_data_io);
 266                 info->intr_data_io = NULL;
 267         }
 268         if (info->intr_fd >= 0) {
 269                 close(info->ctrl_fd);
 270                 close(info->intr_fd);
 271                 info->intr_fd = -1;
 272                 info->ctrl_fd = -1;
 273         }
 274         info->disconnect_idle_id = 0;
 275         event_info = _bt_event_get_cb_data(BT_HID_DEVICE_EVENT);
 276         if (event_info == NULL)
 277                 return FALSE;
 278
 279         memset(&disconn_info, 0x00, sizeof(bluetooth_hid_request_t));
 280         disconn_info.socket_fd = fd;
 281         _bt_convert_addr_string_to_type(disconn_info.device_addr.addr , info->address);
 282         _bt_common_event_cb(BLUETOOTH_HID_DEVICE_DISCONNECTED,
 283                         BLUETOOTH_ERROR_NONE, &disconn_info,
 284                         event_info->cb, event_info->user_data);
 285         if (info->address)
 286                 g_free(info->address);
 287         g_free(info);
 288         info = NULL;
 289         BT_DBG("-");
 290         return FALSE;
 291 }
 292
 293 void __free_hid_info(hid_info_t *info)
 294 {
 295         BT_DBG("");
 296
 297         _bt_unregister_gdbus(info->object_id);
 298
 299         while (info->device_list) {
 300                 hid_connected_device_info_t *dev_info = NULL;
 301                 dev_info = (hid_connected_device_info_t *)info->device_list->data;
 302
 303                 if (dev_info->disconnect_idle_id > 0) {
 304                         BT_INFO("Disconnect idle still not process remove source");
 305                         g_source_remove(dev_info->disconnect_idle_id);
 306                         dev_info->disconnect_idle_id = 0;
 307                 }
 308                 __hid_disconnect(dev_info);
 309         }
 310
 311         g_free(info->path);
 312         g_free(info->uuid);
 313         g_free(info);
 314 }
 315
 316 static gboolean __received_cb(GIOChannel *chan, GIOCondition cond,
 317                                                                 gpointer data)
 318 {
 319         hid_connected_device_info_t *info = data;
 320         GIOStatus status = G_IO_STATUS_NORMAL;
 321         char buffer[20];
 322         gsize len = 0;
 323         GError *err = NULL;
 324         guint8  header, type, param;
 325         bt_event_info_t *event_info;
 326         retv_if(info == NULL, FALSE);
 327
 328         if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
 329                 BT_ERR_C("HID  disconnected: %d", info->ctrl_fd);
 330                if (info->disconnect_idle_id > 0) {
 331                         BT_INFO("Disconnect idle still not process remove source");
 332                         g_source_remove(info->disconnect_idle_id);
 333                         info->disconnect_idle_id = 0;
 334                }
 335                 __hid_disconnect(info);
 336                 return FALSE;
 337         }
 338         status = g_io_channel_read_chars(chan, buffer, BT_RFCOMM_BUFFER_LEN,
 339                         &len, &err);
 340         if (status == G_IO_STATUS_NORMAL) {
 341                 BT_INFO("Parsing Data");
 342                 bluetooth_hid_received_data_t data = {0};
 343                 header = buffer[0];
 344                 type = header & BT_HID_HEADER_TRANS_MASK;
 345                 param = header & BT_HID_HEADER_PARAM_MASK;
 346                 BT_INFO("type %d , param %d", type, param);
 347                 BT_INFO("Data Reveived from %s" , info->address);
 348
 349                 event_info = _bt_event_get_cb_data(BT_HID_DEVICE_EVENT);
 350                 if (event_info == NULL)
 351                         return FALSE;
 352
 353                 data.address = g_strdup(info->address);
 354                 switch (type) {
 355                         case BT_HID_TRANS_HANDSHAKE:
 356                                 BT_INFO("TRANS HANDSHAKE");
 357                                 data.type = HTYPE_TRANS_HANDSHAKE;
 358                                 data.buffer_size = len;
 359                                 data.buffer = (char *) malloc(sizeof(char) * len);
 360                                 if (data.buffer)
 361                                         memcpy(data.buffer, buffer, len);
 362                         break;
 363                         case BT_HID_TRANS_HID_CONTROL:
 364                                 BT_INFO("HID CONTROL");
 365                                 data.type = HTYPE_TRANS_HID_CONTROL;
 366                                 data.buffer_size = len;
 367                                 data.buffer = (char *) malloc(sizeof(char) * len);
 368                                 if (data.buffer)
 369                                         memcpy(data.buffer, buffer, len);
 370                         break;
 371                         case BT_HID_TRANS_DATA:
 372                                 BT_INFO("TRANS DATA");
 373                                 data.type = HTYPE_TRANS_DATA;
 374                                 if (param & BT_HID_DATA_RTYPE_INPUT) {
 375                                         BT_INFO("Input Report");
 376                                         data.param = PTYPE_DATA_RTYPE_INPUT;
 377                                         data.buffer_size = len;
 378                                         data.buffer = (char *) malloc(sizeof(char) * len);
 379                                         if (data.buffer)
 380                                                 memcpy(data.buffer, buffer, len);
 381                                 } else {
 382                                         BT_INFO("Out Report");
 383                                         data.param = PTYPE_DATA_RTYPE_OUTPUT;
 384                                         data.buffer_size = len;
 385                                         data.buffer = (char *) malloc(sizeof(char) * len);
 386                                         if (data.buffer)
 387                                                 memcpy(data.buffer, buffer, len);
 388                                 }
 389                         break;
 390                         case BT_HID_TRANS_GET_REPORT: {
 391                                 BT_INFO("Get Report");
 392                                 data.type = HTYPE_TRANS_GET_REPORT;
 393                                 if (param & BT_HID_DATA_RTYPE_INPUT) {
 394                                         BT_INFO("Input Report");
 395                                         data.param = PTYPE_DATA_RTYPE_INPUT;
 396                                 } else {
 397                                         BT_INFO("Output Report");
 398                                         data.param = PTYPE_DATA_RTYPE_OUTPUT;
 399                                 }
 400                                 data.buffer_size = len;
 401                                 data.buffer = (char *) malloc(sizeof(char) * len);
 402                                 if (data.buffer)
 403                                         memcpy(data.buffer, buffer, len);
 404                                 break;
 405                         }
 406                         case BT_HID_TRANS_SET_REPORT: {
 407                                 BT_INFO("Set Report");
 408                                 data.type = HTYPE_TRANS_SET_REPORT;
 409                                 if (param & BT_HID_DATA_RTYPE_INPUT) {
 410                                         BT_INFO("Input Report");
 411                                         data.param = PTYPE_DATA_RTYPE_INPUT;
 412                                 } else {
 413                                         BT_INFO("Output Report");
 414                                         data.param = PTYPE_DATA_RTYPE_OUTPUT;
 415                                 }
 416                                 data.buffer_size = len;
 417                                 data.buffer = (char *) malloc(sizeof(char) * len);
 418                                 if (data.buffer)
 419                                         memcpy(data.buffer, buffer, len);
 420                                 break;
 421                         }
 422                         case BT_HID_TRANS_GET_PROTOCOL:{
 423                                 BT_INFO("Get_PROTOCOL");
 424                                 data.type = HTYPE_TRANS_GET_PROTOCOL;
 425                                 data.param = PTYPE_DATA_RTYPE_INPUT;
 426                                 data.buffer_size = len;
 427                                 data.buffer = (char *) malloc(sizeof(char) * len);
 428                                 if (data.buffer)
 429                                         memcpy(data.buffer, buffer, len);
 430                                 break;
 431                         }
 432                         case BT_HID_TRANS_SET_PROTOCOL:{
 433                                 BT_INFO("Set_PROTOCOL");
 434                                 data.type = HTYPE_TRANS_SET_PROTOCOL;
 435                                 data.param = PTYPE_DATA_RTYPE_INPUT;
 436                                 data.buffer_size = len;
 437                                 data.buffer = (char *) malloc(sizeof(char) * len);
 438                                 if (data.buffer)
 439                                         memcpy(data.buffer, buffer, len);
 440                                 break;
 441                         }
 442                         default: {
 443                                 BT_INFO("unsupported HIDP control message");
 444                                 BT_ERR("Send Handshake Message");
 445                                 guint8 type = BT_HID_TRANS_HANDSHAKE |
 446                                         BT_HID_HSHK_ERR_UNSUPPORTED_REQUEST;
 447                                 data.type = HTYPE_TRANS_UNKNOWN;
 448                                 int fd = g_io_channel_unix_get_fd(chan);
 449                                 int bytes = write(fd,  &type, sizeof(type));
 450                                 BT_INFO("Bytes Written %d", bytes);
 451                                 break;
 452                         }
 453                 }
 454
 455                 _bt_common_event_cb(BLUETOOTH_HID_DEVICE_DATA_RECEIVED,
 456                                 BLUETOOTH_ERROR_NONE, &data,
 457                                 event_info->cb, event_info->user_data);
 458                 if (data.buffer)
 459                         g_free(data.buffer);
 460                 if (data.address)
 461                         g_free((char *)data.address);
 462         } else {
 463                 BT_INFO("Error while reading data");
 464         }
 465         return TRUE;
 466 }
 467
 468 int new_hid_connection(const char *path, int fd, bluetooth_device_address_t *addr)
 469 {
 470         hid_info_t *info = NULL;
 471         hid_connected_device_info_t *dev_info = NULL;
 472         char address[18];
 473         info = hid_info;
 474
 475         if (info == NULL)
 476                 return -1;
 477         _bt_convert_addr_type_to_string((char *)address, addr->addr);
 478         BT_INFO("Address [%s]", address);
 479         dev_info = __find_hid_info_with_address(address);
 480         if (dev_info == NULL) {
 481                 dev_info = (hid_connected_device_info_t *)
 482                         g_malloc0(sizeof(hid_connected_device_info_t));
 483                 if (dev_info == NULL) {
 484                         BT_ERR("Fail to allocation memory");
 485                         return -1;
 486                 }
 487
 488                 dev_info->intr_fd = -1;
 489                 dev_info->ctrl_fd = -1;
 490                 dev_info->intr_fd = fd;
 491                 dev_info->address = g_strdup(address);
 492                 dev_info->intr_data_io = g_io_channel_unix_new(dev_info->intr_fd);
 493                 g_io_channel_set_encoding(dev_info->intr_data_io, NULL, NULL);
 494                 g_io_channel_set_flags(dev_info->intr_data_io, G_IO_FLAG_NONBLOCK, NULL);
 495                 g_io_channel_set_close_on_unref(dev_info->intr_data_io, TRUE);
 496                 dev_info->intr_data_id = g_io_add_watch(dev_info->intr_data_io,
 497                                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 498                                 __received_cb, dev_info);
 499                 hid_info->device_list = g_slist_append(hid_info->device_list, dev_info);
 500         } else {
 501                 dev_info->ctrl_fd = fd;
 502                 dev_info->ctrl_data_io = g_io_channel_unix_new(dev_info->ctrl_fd);
 503                 g_io_channel_set_encoding(dev_info->ctrl_data_io, NULL, NULL);
 504                 g_io_channel_set_flags(dev_info->ctrl_data_io, G_IO_FLAG_NONBLOCK, NULL);
 505                 g_io_channel_set_close_on_unref(dev_info->ctrl_data_io, TRUE);
 506                 dev_info->ctrl_data_id = g_io_add_watch(dev_info->ctrl_data_io,
 507                                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 508                                 __received_cb, dev_info);
 509         }
 510         if (dev_info->ctrl_fd != -1 && dev_info->intr_fd != -1) {
 511                 __hid_connected_cb(dev_info, BLUETOOTH_ERROR_NONE);
 512         }
 513
 514         return 0;
 515 }
 516 static hid_info_t *__register_method()
 517 {
 518         int object_id;
 519         hid_info_t *info = NULL;
 520         char *path = NULL;
 521         path = g_strdup_printf("/org/socket/server/%d", getpid());
 522
 523         object_id = _bt_register_new_conn(path, new_hid_connection);
 524         if (object_id < 0) {
 525                 return NULL;
 526         }
 527         info = g_new(hid_info_t, 1);
 528         info->object_id = (guint)object_id;
 529         info->path = path;
 530         info->id = 0;
 531         info->device_list = NULL;
 532
 533         return info;
 534 }
 535
 536 BT_EXPORT_API int bluetooth_hid_device_init(hid_cb_func_ptr callback_ptr, void *user_data)
 537 {
 538         int ret;
 539
 540         /* Register HID Device events */
 541         BT_INFO("BT_HID_DEVICE_EVENT");
 542         ret = _bt_register_event(BT_HID_DEVICE_EVENT , (void *)callback_ptr, user_data);
 543
 544         if (ret != BLUETOOTH_ERROR_NONE &&
 545              ret != BLUETOOTH_ERROR_ALREADY_INITIALIZED) {
 546                 BT_ERR("Fail to init the event handler");
 547                 return ret;
 548         }
 549
 550         _bt_set_user_data(BT_HID, (void *)callback_ptr, user_data);
 551
 552         return BLUETOOTH_ERROR_NONE;
 553 }
 554
 555 BT_EXPORT_API int bluetooth_hid_device_deinit(void)
 556 {
 557         int ret;
 558
 559         ret = _bt_unregister_event(BT_HID_DEVICE_EVENT);
 560
 561         if (ret != BLUETOOTH_ERROR_NONE) {
 562                 BT_ERR("Fail to deinit the event handler");
 563                 return ret;
 564         }
 565
 566         _bt_set_user_data(BT_HID, NULL, NULL);
 567
 568         return BLUETOOTH_ERROR_NONE;
 569 }
 570
 571 BT_EXPORT_API int bluetooth_hid_device_activate(void)
 572 {
 573         bt_register_profile_info_t profile_info;
 574         int result = BLUETOOTH_ERROR_NONE;
 575
 576         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_ACTIVATE)
 577                  == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 578                 BT_ERR("Don't have a privilege to use this API");
 579                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 580         }
 581
 582         if (hid_info != NULL)
 583                 return BLUETOOTH_ERROR_IN_PROGRESS;
 584
 585         hid_info = __register_method();
 586         if (hid_info == NULL)
 587                 return BLUETOOTH_ERROR_INTERNAL;
 588
 589         hid_info->uuid = g_strdup(HID_DEVICE_UUID);
 590
 591         profile_info.authentication = TRUE;
 592         profile_info.authorization = TRUE;
 593         profile_info.obj_path = hid_info->path;
 594         profile_info.role = g_strdup("Hid");
 595         profile_info.service = hid_info->uuid;
 596         profile_info.uuid = hid_info->uuid;
 597
 598         BT_INFO("uuid %s", profile_info.uuid);
 599         result = _bt_register_profile_platform(&profile_info, FALSE);
 600
 601         return result;
 602 }
 603
 604 BT_EXPORT_API int bluetooth_hid_device_deactivate(void)
 605 {
 606         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_DEACTIVATE)
 607                  == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 608                 BT_ERR("Don't have a privilege to use this API");
 609                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 610         }
 611
 612         if (hid_info == NULL)
 613                 return BLUETOOTH_ERROR_NOT_IN_OPERATION;
 614
 615         _bt_unregister_profile(hid_info->path);
 616
 617         __free_hid_info(hid_info);
 618         hid_info = NULL;
 619         return BLUETOOTH_ERROR_NONE;
 620 }
 621
 622 BT_EXPORT_API int bluetooth_hid_device_connect(const char *remote_addr)
 623 {
 624         char device_address[BT_ADDRESS_STRING_SIZE] = {0};
 625         hid_connected_device_info_t *info = NULL;
 626         int ret;
 627         BT_DBG("+");
 628         BT_CHECK_PARAMETER(remote_addr, return);
 629
 630         info = __find_hid_info_with_address(remote_addr);
 631         if (info) {
 632                 BT_ERR("Connection Already Exists");
 633                 return BLUETOOTH_ERROR_ALREADY_CONNECT;
 634         }
 635         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_CONNECT)
 636                  == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 637                 BT_ERR("Don't have a privilege to use this API");
 638                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 639         }
 640
 641         memcpy(device_address, remote_addr, BT_ADDRESS_STRING_SIZE);
 642         ret = _bt_connect_profile(device_address, HID_DEVICE_UUID,
 643                                 __hid_connect_response_cb, NULL);
 644
 645         return ret;
 646 }
 647 BT_EXPORT_API int bluetooth_hid_device_disconnect(const char *remote_addr)
 648 {
 649         if (_bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_DISCONNECT)
 650                  == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 651                 BT_ERR("Don't have a privilege to use this API");
 652                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 653         }
 654
 655         hid_connected_device_info_t *info = NULL;
 656
 657         info = __find_hid_info_with_address(remote_addr);
 658         if (info == NULL)
 659                 return BLUETOOTH_ERROR_INVALID_PARAM;
 660
 661         _bt_disconnect_profile((char *)remote_addr, HID_DEVICE_UUID, NULL, NULL);
 662
 663         info->disconnect_idle_id = g_idle_add((GSourceFunc)__hid_disconnect, info);
 664
 665         BT_DBG("-");
 666         return BLUETOOTH_ERROR_NONE;
 667 }
 668 BT_EXPORT_API int bluetooth_hid_device_send_mouse_event(const char *remote_addr,
 669                                         hid_send_mouse_event_t send_event)
 670 {
 671         int result;
 672         int written = 0;
 673         hid_connected_device_info_t *info = NULL;
 674
 675         switch (privilege_token_send_mouse) {
 676         case 0:
 677                 result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_SEND_MOUSE_EVENT);
 678
 679                 if (result == BLUETOOTH_ERROR_NONE) {
 680                         privilege_token_send_mouse = 1; /* Have a permission */
 681                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 682                         BT_ERR("Don't have a privilege to use this API");
 683                         privilege_token_send_mouse = -1; /* Don't have a permission */
 684                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 685                 } else {
 686                         /* Just break - It is not related with permission error */
 687                 }
 688                 break;
 689         case 1:
 690                 /* Already have a privilege */
 691                 break;
 692         case -1:
 693                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 694         default:
 695                 /* Invalid privilge token value */
 696                 return BLUETOOTH_ERROR_INTERNAL;
 697         }
 698         info = __find_hid_info_with_address(remote_addr);
 699         if (info == NULL) {
 700                 BT_ERR("Connection Information not found");
 701                 return BLUETOOTH_ERROR_INVALID_PARAM;
 702         }
 703         int socket_fd;
 704
 705         if (info->intr_fd != -1 && info->ctrl_fd == -1)
 706                 socket_fd = info->intr_fd;
 707         else
 708                 socket_fd = info->ctrl_fd;
 709
 710         written = write(socket_fd, &send_event, sizeof(send_event));
 711
 712         return written;
 713 }
 714
 715 BT_EXPORT_API int bluetooth_hid_device_send_key_event(const char *remote_addr,
 716                                         hid_send_key_event_t send_event)
 717 {
 718         int result;
 719         int written = 0;
 720         hid_connected_device_info_t *info = NULL;
 721
 722         switch (privilege_token_send_key) {
 723         case 0:
 724                 result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_SEND_KEY_EVENT);
 725
 726                 if (result == BLUETOOTH_ERROR_NONE) {
 727                         privilege_token_send_key = 1; /* Have a permission */
 728                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 729                         BT_ERR("Don't have a privilege to use this API");
 730                         privilege_token_send_key = -1; /* Don't have a permission */
 731                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 732                 } else {
 733                         /* Just break - It is not related with permission error */
 734                 }
 735                 break;
 736         case 1:
 737                 /* Already have a privilege */
 738                 break;
 739         case -1:
 740                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 741         default:
 742                 /* Invalid privilge token value */
 743                 return BLUETOOTH_ERROR_INTERNAL;
 744         }
 745
 746         info = __find_hid_info_with_address(remote_addr);
 747         if (info == NULL) {
 748                 BT_ERR("Connection Information not found");
 749                 return BLUETOOTH_ERROR_INVALID_PARAM;
 750         }
 751
 752         int socket_fd;
 753
 754         if (info->intr_fd != -1 && info->ctrl_fd == -1)
 755                 socket_fd = info->intr_fd;
 756         else
 757                 socket_fd = info->ctrl_fd;
 758
 759         written = write(socket_fd, &send_event, sizeof(send_event));
 760         return written;
 761 }
 762
 763 BT_EXPORT_API int bluetooth_hid_device_send_custom_event(const char *remote_addr,
 764                         unsigned char btcode, unsigned char report_id,
 765                         const char *data, unsigned int data_len)
 766 {
 767         int result;
 768         int written = 0;
 769         int socket_fd;
 770         hid_connected_device_info_t *info = NULL;
 771         char *send_event = NULL;
 772
 773         BT_CHECK_PARAMETER(remote_addr, return);
 774         BT_CHECK_PARAMETER(data, return);
 775
 776         switch (privilege_token_send_key) {
 777         case 0:
 778                 result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_SEND_CUSTOM_EVENT);
 779
 780                 if (result == BLUETOOTH_ERROR_NONE) {
 781                         privilege_token_send_key = 1; /* Have a permission */
 782                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 783                         BT_ERR("Don't have a privilege to use this API");
 784                         privilege_token_send_key = -1; /* Don't have a permission */
 785                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 786                 } else {
 787                         /* Just break - It is not related with permission error */
 788                 }
 789                 break;
 790         case 1:
 791                 /* Already have a privilege */
 792                 break;
 793         case -1:
 794                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 795         default:
 796                 /* Invalid privilge token value */
 797                 return BLUETOOTH_ERROR_INTERNAL;
 798         }
 799
 800         info = __find_hid_info_with_address(remote_addr);
 801         if (info == NULL) {
 802                 BT_ERR("Connection Information not found");
 803                 return BLUETOOTH_ERROR_INVALID_PARAM;
 804         }
 805
 806         if (info->intr_fd != -1 && info->ctrl_fd == -1)
 807                 socket_fd = info->intr_fd;
 808         else
 809                 socket_fd = info->ctrl_fd;
 810
 811         send_event = (char*)g_malloc0(data_len + 2);
 812         if (send_event == NULL)
 813                 return BLUETOOTH_ERROR_OUT_OF_MEMORY;
 814
 815         send_event[0] = (char)btcode;
 816         send_event[1] = (char)report_id;
 817         memcpy(send_event + 2, data, data_len);
 818
 819         written = write(socket_fd, send_event, data_len + 2);
 820
 821         g_free(send_event);
 822
 823         return written;
 824 }
 825
 826 BT_EXPORT_API int bluetooth_hid_device_reply_to_report(const char *remote_addr,
 827                                 bt_hid_header_type_t htype,
 828                                 bt_hid_param_type_t ptype,
 829                                 const char *data,
 830                                 unsigned int data_len)
 831 {
 832         int result;
 833         struct reports output_report = { 0 };
 834         int bytes = 0;
 835         hid_connected_device_info_t *info = NULL;
 836         info = __find_hid_info_with_address(remote_addr);
 837         if (info == NULL) {
 838                 BT_ERR("Connection Information not found");
 839                 return BLUETOOTH_ERROR_INVALID_PARAM;
 840         }
 841
 842         switch (privilege_token_reply) {
 843         case 0:
 844                 result = _bt_check_privilege(BT_CHECK_PRIVILEGE, BT_HID_DEVICE_SEND_REPLY_TO_REPORT);
 845
 846                 if (result == BLUETOOTH_ERROR_NONE) {
 847                         privilege_token_reply = 1; /* Have a permission */
 848                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 849                         BT_ERR("Don't have a privilege to use this API");
 850                         privilege_token_reply = -1; /* Don't have a permission */
 851                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 852                 } else {
 853                         /* Just break - It is not related with permission error */
 854                 }
 855                 break;
 856         case 1:
 857                 /* Already have a privilege */
 858                 break;
 859         case -1:
 860                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 861         default:
 862                 /* Invalid privilge token value */
 863                 return BLUETOOTH_ERROR_INTERNAL;
 864         }
 865
 866         BT_INFO("htype %d ptype %d", htype, ptype);
 867         switch(htype) {
 868                 case HTYPE_TRANS_GET_REPORT: {
 869                         switch(ptype) {
 870                                 case PTYPE_DATA_RTYPE_INPUT: {
 871                                         output_report.type = BT_HID_TRANS_DATA |
 872                                                         BT_HID_DATA_RTYPE_INPUT;
 873                                         memcpy(output_report.rep_data, data, data_len);
 874                                         bytes = write(info->intr_fd, &output_report,
 875                                                                 sizeof(output_report));
 876                                         BT_DBG("Bytes Written %d", bytes);
 877                                         break;
 878                                 }
 879                                 default:
 880                                         BT_INFO("Not Supported");
 881                                         break;
 882                         }
 883                         break;
 884                 case HTYPE_TRANS_GET_PROTOCOL: {
 885                         BT_DBG("Replying to Get_PROTOCOL");
 886                         output_report.type = BT_HID_TRANS_DATA | BT_HID_DATA_RTYPE_OUTPUT;
 887                         output_report.rep_data[0] = data[0];
 888                         bytes = write(info->intr_fd, &output_report, 2);
 889                         BT_DBG("Bytes Written %d", bytes);
 890                         break;
 891                 }
 892                 case HTYPE_TRANS_SET_PROTOCOL: {
 893                         BT_DBG("Reply to Set_Protocol");
 894                         output_report.type = BT_HID_TRANS_DATA | BT_HID_DATA_RTYPE_INPUT;
 895                         memcpy(output_report.rep_data, data, data_len);
 896                         bytes = write(info->ctrl_fd, &output_report,
 897                                         sizeof(output_report));
 898                         BT_DBG("Bytes Written %d", bytes);
 899                         break;
 900                 }
 901                 case HTYPE_TRANS_HANDSHAKE: {
 902                         BT_DBG("Replying Handshake");
 903                         output_report.type = BT_HID_TRANS_HANDSHAKE | data[0];
 904                         memset(output_report.rep_data, 0, sizeof(output_report.rep_data));
 905                         bytes = write(info->intr_fd,  &output_report.type,
 906                                         sizeof(output_report.type));
 907                         BT_DBG("Bytes Written %d", bytes);
 908                         break;
 909                 }
 910                         default:
 911                                 break;
 912                 }
 913         }
 914         return bytes;
 915 }