bt-api/bt-rfcomm-client.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
  18 #include <string.h>
  19 #ifdef RFCOMM_DIRECT
  20 #include <errno.h>
  21 #include <gio/gunixfdlist.h>
  22 #endif
  23
  24 #include "bluetooth-api.h"
  25 #include "bt-internal-types.h"
  26
  27 #include "bt-common.h"
  28 #include "bt-request-sender.h"
  29 #include "bt-event-handler.h"
  30
  31 #ifdef TIZEN_DPM_ENABLE
  32 #include "bt-dpm.h"
  33 #endif
  34
  35 #ifdef RFCOMM_DIRECT
  36
  37 #define BT_TIMEOUT_MESSAGE "Did not receive a reply. Possible causes include: " \
  38                         "the remote application did not send a reply, " \
  39                         "the message bus security policy blocked the reply, " \
  40                         "the reply timeout expired, or the network connection " \
  41                         "was broken."
  42
  43 static GSList *rfcomm_clients;
  44
  45 /* Variable for privilege, only for write API,
  46   before we should reduce time to bt-service dbus calling
  47   -1 : Don't have a permission to access API
  48   0 : Initial value, not yet check
  49   1 : Have a permission to access API
  50 */
  51 static int privilege_token;
  52
  53 typedef struct {
  54         char bt_addr[BT_ADDRESS_STRING_SIZE];
  55         int fd;
  56         guint watch_id;
  57         gboolean disconnected;
  58 } rfcomm_conn_info_t;
  59
  60 typedef struct {
  61         char uuid[BLUETOOTH_UUID_STRING_MAX];
  62         char *device_path;
  63         char *obj_path;
  64         int object_id;
  65         int id;
  66         GSList *rfcomm_conns;
  67         unsigned int idle_id;
  68 } rfcomm_cb_data_t;
  69
  70 static void __client_connected_cb(rfcomm_cb_data_t *cb_data,
  71         char *dev_address, int result);
  72
  73 static void __bt_free_cb_data(rfcomm_cb_data_t *cb_data)
  74 {
  75         BT_DBG("+");
  76
  77         if (cb_data->id >= 0)
  78                 __rfcomm_delete_id(cb_data->id);
  79
  80         if (cb_data->object_id > 0)
  81                 _bt_unregister_gdbus(cb_data->object_id);
  82
  83         if (cb_data->obj_path) {
  84                 BT_INFO("Unregister profile");
  85                 _bt_unregister_profile(cb_data->obj_path);
  86         }
  87
  88         if (cb_data->idle_id != 0) {
  89                 BT_INFO("Removing idle source");
  90                 g_source_remove(cb_data->idle_id);
  91         }
  92
  93         g_free(cb_data->obj_path);
  94
  95         g_free(cb_data->device_path);
  96         g_free(cb_data);
  97         BT_DBG("-");
  98 }
  99
 100 static void rfcomm_cb_data_remove(rfcomm_cb_data_t *info)
 101 {
 102         if (info) {
 103                 BT_INFO("No more device connected remove info");
 104                 rfcomm_clients = g_slist_remove(rfcomm_clients, info);
 105                 __bt_free_cb_data(info);
 106         }
 107 }
 108
 109 gint compare(gpointer *a, gpointer *b)
 110 {
 111         rfcomm_conn_info_t *node = (rfcomm_conn_info_t *)a;
 112         char *address = (char *)b;
 113         return g_strcmp0(node->bt_addr, address);
 114 }
 115
 116 gint compare_fd(gpointer *a, gpointer *b)
 117 {
 118         rfcomm_conn_info_t *node = (rfcomm_conn_info_t *)a;
 119         int *fd = (int *)b;
 120         if (node->fd == *fd)
 121                 return 0;
 122
 123         return 1;
 124 }
 125 static void __bt_free_conn(rfcomm_conn_info_t *conn)
 126 {
 127         BT_DBG("+");
 128
 129         if (conn == NULL)
 130                 return;
 131
 132         if (conn->watch_id > 0) {
 133                 g_source_remove(conn->watch_id);
 134                 conn->watch_id = 0;
 135         }
 136
 137         g_free(conn);
 138
 139         BT_DBG("-");
 140 }
 141
 142 static void __rfcomm_remove_conn_info_t(rfcomm_cb_data_t *info, char *address)
 143 {
 144         GSList *l = NULL;
 145         rfcomm_conn_info_t *conn_info = NULL;
 146         l = g_slist_find_custom(info->rfcomm_conns, address, (GCompareFunc)compare);
 147         if (l)
 148                 conn_info = l->data;
 149         if (conn_info) {
 150                 info->rfcomm_conns = g_slist_remove(info->rfcomm_conns, conn_info);
 151                 __bt_free_conn(conn_info);
 152         }
 153 }
 154
 155 static rfcomm_conn_info_t *__get_conn_info_from_fd(rfcomm_cb_data_t *info,
 156         int fd)
 157 {
 158         GSList *l;
 159         rfcomm_conn_info_t *device_node = NULL;
 160         for (l = info->rfcomm_conns; l != NULL; l = l->next) {
 161                 device_node = l->data;
 162                 if (device_node && device_node->fd == fd)
 163                         return device_node;
 164         }
 165         return NULL;
 166 }
 167
 168 static rfcomm_conn_info_t *__get_conn_info_from_address(rfcomm_cb_data_t *info,
 169                 char *dev_address)
 170 {
 171         GSList *l = NULL;
 172         rfcomm_conn_info_t *conn_info = NULL;
 173         l = g_slist_find_custom(info->rfcomm_conns, dev_address,
 174                 (GCompareFunc)compare);
 175         if (l)
 176                 conn_info = l->data;
 177         return conn_info;
 178 }
 179
 180 static void __rfcomm_client_connected_cb(rfcomm_cb_data_t *info,
 181         char *dev_address, int result)
 182 {
 183         if (g_slist_find(rfcomm_clients, info) == NULL) {
 184                 BT_INFO("rfcomm resource is already freed");
 185                 return;
 186         }
 187
 188         __client_connected_cb(info, dev_address, result);
 189         __rfcomm_remove_conn_info_t(info, dev_address);
 190
 191         if (info->rfcomm_conns == NULL)
 192                 rfcomm_cb_data_remove(info);
 193 }
 194
 195 static rfcomm_cb_data_t *__find_rfcomm_info_with_fd(int fd)
 196 {
 197         GSList *l;
 198         GSList *device_fd;
 199         for (l = rfcomm_clients; l != NULL; l = l->next) {
 200                 rfcomm_cb_data_t *info = l->data;
 201                 device_fd = g_slist_find_custom(info->rfcomm_conns, &fd,
 202                         (GCompareFunc)compare_fd);
 203                 if (device_fd)
 204                         return info;
 205         }
 206
 207         return NULL;
 208 }
 209
 210 static rfcomm_cb_data_t *__find_rfcomm_info_from_path(const char *path)
 211 {
 212         GSList *l;
 213
 214         for (l = rfcomm_clients; l != NULL; l = l->next) {
 215                 rfcomm_cb_data_t *info = l->data;
 216
 217                 if (info != NULL)
 218                         if (g_strcmp0(info->obj_path, path) == 0)
 219                                 return info;
 220         }
 221
 222         return NULL;
 223 }
 224
 225 static rfcomm_cb_data_t *__find_rfcomm_info_from_uuid(const char *uuid)
 226 {
 227         GSList *l;
 228
 229         for (l = rfcomm_clients; l != NULL; l = l->next) {
 230                 rfcomm_cb_data_t *info = l->data;
 231
 232                 if (g_strcmp0(info->uuid, uuid) == 0)
 233                         return info;
 234         }
 235
 236         return NULL;
 237 }
 238
 239 static void _bt_rfcomm_disconnect_conn_info(rfcomm_conn_info_t *conn_info,
 240         rfcomm_cb_data_t *info)
 241 {
 242         if (conn_info == NULL)
 243                 return;
 244
 245         bluetooth_rfcomm_disconnection_t disconn_info;
 246         bt_event_info_t *event_info = NULL;
 247
 248         if (conn_info->disconnected == FALSE)
 249                 return;
 250
 251         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 252         if (event_info == NULL) {
 253                 __rfcomm_remove_conn_info_t(info, conn_info->bt_addr);
 254
 255                 if (info->rfcomm_conns == NULL)
 256                         rfcomm_cb_data_remove(info);
 257                 return;
 258         }
 259
 260         memset(&disconn_info, 0x00, sizeof(bluetooth_rfcomm_disconnection_t));
 261         disconn_info.device_role = RFCOMM_ROLE_CLIENT;
 262         g_strlcpy(disconn_info.uuid, info->uuid, BLUETOOTH_UUID_STRING_MAX);
 263         _bt_convert_addr_string_to_type(disconn_info.device_addr.addr,
 264                                         conn_info->bt_addr);
 265
 266         BT_DBG("Disconnected FD [%d]", conn_info->fd);
 267         disconn_info.socket_fd = conn_info->fd;
 268
 269         BT_DBG("Disconnection Result[%d] BT_ADDRESS[%s] UUID[%s] FD[%d]",
 270                         BLUETOOTH_ERROR_NONE, conn_info->bt_addr,
 271                         info->uuid, conn_info->fd);
 272         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DISCONNECTED,
 273                         BLUETOOTH_ERROR_NONE, &disconn_info,
 274                         event_info->cb, event_info->user_data);
 275
 276         __rfcomm_remove_conn_info_t(info, conn_info->bt_addr);
 277
 278         if (info->rfcomm_conns == NULL)
 279                 rfcomm_cb_data_remove(info);
 280
 281         BT_DBG("-");
 282 }
 283
 284 static gboolean __rfcomm_client_disconnect(gpointer user_data)
 285 {
 286         rfcomm_cb_data_t *info = (rfcomm_cb_data_t *)user_data;
 287
 288         BT_INFO_C("### Disconnected [RFCOMM Client]");
 289
 290         retv_if(info == NULL, FALSE);
 291
 292         if (g_slist_find(rfcomm_clients, info) == NULL) {
 293                 BT_INFO("rfcomm resource is already freed");
 294                 return FALSE;
 295         }
 296         info->idle_id = 0;
 297
 298         g_slist_foreach(info->rfcomm_conns,
 299                 (GFunc)_bt_rfcomm_disconnect_conn_info, info);
 300
 301         BT_DBG("-");
 302         return FALSE;
 303 }
 304
 305 static gboolean __is_error_by_disconnect(GError *err)
 306 {
 307         return !g_strcmp0(err->message, "Connection reset by peer") ||
 308                         !g_strcmp0(err->message, "Connection timed out") ||
 309                         !g_strcmp0(err->message, "Software caused connection abort");
 310 }
 311
 312 static gboolean __client_data_received_cb(GIOChannel *chan, GIOCondition cond,
 313                                                                 gpointer data)
 314 {
 315         char *buffer = NULL;
 316         gsize len = 0;
 317         int result = BLUETOOTH_ERROR_NONE;
 318         rfcomm_cb_data_t *info = data;
 319         rfcomm_conn_info_t *conn_info = NULL;
 320         bt_event_info_t *event_info;
 321         bluetooth_rfcomm_received_data_t data_r;
 322         GIOStatus status = G_IO_STATUS_NORMAL;
 323         GError *err = NULL;
 324         int fd;
 325         BT_DBG("");
 326
 327         retv_if(info == NULL, FALSE);
 328         fd = g_io_channel_unix_get_fd(chan);
 329         if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
 330                 BT_ERR_C("RFComm Client  disconnected: %d", fd);
 331
 332                 conn_info = __get_conn_info_from_fd(info, fd);
 333                 if (conn_info == NULL) {
 334                         BT_ERR("No Connection info found with FD [%d]", fd);
 335                         return FALSE;
 336                 }
 337
 338                 if (conn_info->disconnected == FALSE) {
 339                         close(conn_info->fd);
 340                         conn_info->disconnected = TRUE;
 341                 }
 342                 __rfcomm_client_disconnect(info);
 343                 return FALSE;
 344         }
 345
 346         buffer = g_malloc0(BT_RFCOMM_BUFFER_LEN + 1);
 347
 348         status = g_io_channel_read_chars(chan, buffer, BT_RFCOMM_BUFFER_LEN,
 349                         &len, &err);
 350         if (status != G_IO_STATUS_NORMAL) {
 351                 BT_ERR("IO Channel read is failed with %d", status);
 352
 353                 g_free(buffer);
 354                 if (err) {
 355                         BT_ERR("IO Channel read error [%s]", err->message);
 356                         if (status == G_IO_STATUS_ERROR &&
 357                                         __is_error_by_disconnect(err)) {
 358                                 BT_ERR("cond : %d", cond);
 359                                 g_error_free(err);
 360
 361                                 conn_info = __get_conn_info_from_fd(info, fd);
 362                                 if (conn_info == NULL) {
 363                                         BT_ERR("No Connection info found with FD [%d]", fd);
 364                                         return FALSE;
 365                                 }
 366
 367                                 if (conn_info->disconnected == FALSE) {
 368                                         close(conn_info->fd);
 369                                         conn_info->disconnected = TRUE;
 370                                 }
 371                                 __rfcomm_client_disconnect(info);
 372                                 return FALSE;
 373                         }
 374                         g_error_free(err);
 375                 }
 376                 return TRUE;
 377         }
 378
 379         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 380         if (event_info == NULL) {
 381                 g_free(buffer);
 382                 return TRUE;
 383         }
 384
 385         data_r.socket_fd = fd;
 386         data_r.buffer_size = len;
 387         data_r.buffer = buffer;
 388
 389         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DATA_RECEIVED,
 390                         result, &data_r,
 391                         event_info->cb, event_info->user_data);
 392
 393         g_free(buffer);
 394         return TRUE;
 395 }
 396
 397 static void __client_connected_cb(rfcomm_cb_data_t *cb_data, char *dev_address,
 398         int result)
 399 {
 400         bluetooth_rfcomm_connection_t conn_info;
 401         bt_event_info_t *event_info;
 402         rfcomm_conn_info_t *conn_list_info = NULL;
 403
 404         if (result == BLUETOOTH_ERROR_NONE)
 405                 BT_INFO_C("### Connected [RFCOMM Client]");
 406
 407         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 408         if (event_info == NULL)
 409                 return;
 410
 411         memset(&conn_info, 0x00, sizeof(bluetooth_rfcomm_connection_t));
 412         conn_info.device_role = RFCOMM_ROLE_CLIENT;
 413         g_strlcpy(conn_info.uuid, cb_data->uuid, BLUETOOTH_UUID_STRING_MAX);
 414         _bt_convert_addr_string_to_type(conn_info.device_addr.addr,
 415                         dev_address);
 416         conn_list_info = __get_conn_info_from_address(cb_data, dev_address);
 417         if (conn_list_info == NULL) {
 418                 BT_ERR("Device addres %s not found in connection list", dev_address);
 419                 return;
 420         }
 421         conn_info.socket_fd = conn_list_info->fd;
 422         conn_info.server_id = -1;
 423
 424         BT_DBG("Connection Result[%d] BT_ADDRESS[%s] UUID[%s] FD[%d]",
 425                         result, conn_list_info->bt_addr, cb_data->uuid, conn_list_info->fd);
 426         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_CONNECTED,
 427                         result, &conn_info,
 428                         event_info->cb, event_info->user_data);
 429         BT_DBG("-");
 430 }
 431
 432 #endif
 433
 434 int new_connection(const char *path, int fd, bluetooth_device_address_t *addr)
 435 {
 436         rfcomm_cb_data_t *info;
 437         GIOChannel *data_io;
 438         rfcomm_conn_info_t *conn_info = NULL;
 439         BT_DBG("%s %d", path, fd);
 440         char address[BT_ADDRESS_STRING_SIZE];
 441         _bt_convert_addr_type_to_string(address,
 442                                 (unsigned char *)addr);
 443         info = __find_rfcomm_info_from_path(path);
 444         if (info == NULL)
 445                 return -1;
 446         conn_info = __get_conn_info_from_address(info, address);
 447
 448         if (conn_info == NULL) {
 449                 BT_ERR("Device Address %s not found in connection list", address);
 450                 return -1;
 451         }
 452         conn_info->fd = fd;
 453         BT_DBG("connection info fd %d", conn_info->fd);
 454         data_io = g_io_channel_unix_new(fd);
 455         g_io_channel_set_encoding(data_io, NULL, NULL);
 456         g_io_channel_set_flags(data_io, G_IO_FLAG_NONBLOCK, NULL);
 457         conn_info->watch_id = g_io_add_watch(data_io,
 458                                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 459                                 __client_data_received_cb, info);
 460
 461         g_io_channel_unref(data_io);
 462
 463         __client_connected_cb(info, address, BLUETOOTH_ERROR_NONE);
 464
 465         return 0;
 466 }
 467
 468 static void __bt_connect_response_cb(GDBusProxy *proxy, GAsyncResult *res,
 469                                                         gpointer user_data)
 470
 471 {
 472         GError *error = NULL;
 473         GVariant *value;
 474         rfcomm_cb_data_t *cb_data;
 475         char dev_address[BT_ADDRESS_STRING_SIZE];
 476         const char *path;
 477         BT_DBG("+");
 478
 479         ret_if(user_data == NULL);
 480
 481         cb_data = user_data;
 482
 483         value = g_dbus_proxy_call_finish(proxy, res, &error);
 484         if (value == NULL) {
 485                 int result;
 486                 g_dbus_error_strip_remote_error(error);
 487                 BT_ERR("Error : %s \n", error->message);
 488
 489                 if (g_strcmp0(error->message, "In Progress") == 0)
 490                         result = BLUETOOTH_ERROR_DEVICE_BUSY;
 491                 else
 492                         result = BLUETOOTH_ERROR_INTERNAL;
 493                 path = g_dbus_proxy_get_object_path(proxy);
 494                 _bt_convert_device_path_to_address(path, dev_address);
 495                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 496
 497                 g_error_free(error);
 498         } else {
 499                 g_variant_unref(value);
 500         }
 501
 502         if (proxy)
 503                 g_object_unref(proxy);
 504
 505         BT_DBG("-");
 506 }
 507
 508 static void __bt_discover_service_response_cb(GDBusProxy *proxy,
 509                                 GAsyncResult *res, gpointer user_data)
 510 {
 511         rfcomm_cb_data_t *cb_data;
 512         int ret = 0;
 513         GError *err = NULL;
 514         GVariant *value;
 515         bt_register_profile_info_t info = {0};
 516         int result = BLUETOOTH_ERROR_NONE;
 517         char dev_address[BT_ADDRESS_STRING_SIZE];
 518         const char *path;
 519
 520         BT_DBG("+");
 521
 522         ret_if(user_data == NULL);
 523
 524         cb_data = user_data;
 525
 526         path = g_dbus_proxy_get_object_path(proxy);
 527
 528         _bt_convert_device_path_to_address(path, dev_address);
 529         BT_DBG("Device Adress [%s]", dev_address);
 530         value = g_dbus_proxy_call_finish(proxy, res, &err);
 531         if (proxy)
 532                 g_object_unref(proxy);
 533         if (value)
 534                 g_variant_unref(value);
 535
 536         if (err != NULL) {
 537                 g_dbus_error_strip_remote_error(err);
 538                 BT_ERR("Error occured in Proxy call [%s]\n", err->message);
 539                 if (!strcmp("Operation canceled", err->message)) {
 540                         result = BLUETOOTH_ERROR_CANCEL_BY_USER;
 541                 } else if (!strcmp("In Progress", err->message)) {
 542                         result = BLUETOOTH_ERROR_IN_PROGRESS;
 543                 } else if (!strcmp("Host is down", err->message)) {
 544                         result = BLUETOOTH_ERROR_HOST_DOWN;
 545                 } else if (!strcmp(BT_TIMEOUT_MESSAGE, err->message)) {
 546                         result = BLUETOOTH_ERROR_SERVICE_SEARCH_ERROR;
 547                         ret = _bt_cancel_discovers(dev_address);
 548                         if (ret != BLUETOOTH_ERROR_NONE)
 549                                 BT_ERR("Error: While CancelDiscovery");
 550                 } else {
 551                         result = BLUETOOTH_ERROR_CONNECTION_ERROR;
 552                 }
 553                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 554                 goto done;
 555         } else {
 556                 BT_INFO("Services are Updated checking required uuid is there");
 557                 /* Check here for uuid present */
 558                 ret = _bt_discover_service_uuids(dev_address, (char *)cb_data->uuid);
 559                 if (ret == BLUETOOTH_ERROR_NONE) {
 560                         info.uuid = (char *)cb_data->uuid;
 561                         info.obj_path = cb_data->obj_path;
 562                         info.role = "client";
 563
 564                         ret = _bt_register_profile(&info, FALSE);
 565                         if (ret < 0)
 566                                 BT_DBG("Error: register profile");
 567                         ret = _bt_connect_profile(dev_address, cb_data->uuid,
 568                                                 __bt_connect_response_cb, cb_data);
 569
 570                         if (ret != BLUETOOTH_ERROR_NONE) {
 571                                 BT_ERR("ConnectProfile failed");
 572                                 result = BLUETOOTH_ERROR_CONNECTION_ERROR;
 573                                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 574                                 goto done;
 575                         }
 576                 } else {
 577                         BT_ERR("remote uuid not found");
 578                         result = BLUETOOTH_ERROR_SERVICE_NOT_FOUND;
 579                         __rfcomm_client_connected_cb(cb_data, dev_address, result);
 580                 }
 581         }
 582 done:
 583         if (err)
 584                 g_clear_error(&err);
 585 }
 586
 587 BT_EXPORT_API int bluetooth_rfcomm_connect(
 588                 const bluetooth_device_address_t *remote_bt_address,
 589                 const char *remote_uuid)
 590 {
 591
 592 #ifdef RFCOMM_DIRECT
 593         rfcomm_cb_data_t *cb_data = NULL;
 594         rfcomm_conn_info_t *conn = NULL;
 595 #else
 596         int result;
 597         int connect_type;
 598         bt_user_info_t *user_info;
 599         char uuid[BLUETOOTH_UUID_STRING_MAX];
 600 #endif
 601         BT_CHECK_PARAMETER(remote_bt_address, return);
 602         BT_CHECK_PARAMETER(remote_uuid, return);
 603         BT_CHECK_ENABLED(return);
 604
 605 #ifdef TIZEN_DPM_ENABLE
 606         if (_bt_check_dpm(BT_DPM_ADDRESS, (void *)remote_bt_address) == BT_DPM_RESTRICTED) {
 607                 BT_ERR("Blacklist device");
 608                 return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 609         }
 610
 611         if (_bt_check_dpm(BT_DPM_SPP, NULL) == BT_DPM_RESTRICTED ||
 612                 _bt_check_dpm(BT_DPM_HF_ONLY, NULL) == BT_DPM_RESTRICTED) {
 613                 BT_ERR("Not allow to connect the RFCOMM service");
 614                 return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 615         }
 616
 617         if (_bt_check_dpm(BT_DPM_DESKTOP, NULL) == BT_DPM_RESTRICTED) {
 618                 char address[BT_ADDRESS_STRING_SIZE] = { 0 };
 619                 bluetooth_device_class_t dev_class;
 620
 621                 _bt_convert_addr_type_to_string(address, (unsigned char *)remote_bt_address->addr);
 622                 _bt_get_cod_by_address(address, &dev_class);
 623
 624                 if (dev_class.major_class == BLUETOOTH_DEVICE_MAJOR_CLASS_COMPUTER) {
 625                         BT_ERR("Reject a authorization due to MDM Policy");
 626                         return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 627                 }
 628         }
 629 #endif
 630
 631 #ifdef RFCOMM_DIRECT
 632         BT_INFO_C("### Connect RFCOMM");
 633         int ret;
 634         int id, object_id;
 635         char *path;
 636
 637         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_CLIENT_CONNECT)
 638              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 639                 BT_ERR("Don't have a privilege to use this API");
 640                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 641         }
 642
 643         id = __rfcomm_assign_id();
 644         if (id < 0)
 645                 return BLUETOOTH_ERROR_INTERNAL;
 646
 647         cb_data = __find_rfcomm_info_from_uuid(remote_uuid);
 648         if (!cb_data) {
 649                 path = g_strdup_printf("/org/socket/client/%d/%d", getpid(), id);
 650
 651                 object_id = _bt_register_new_conn(path, new_connection);
 652                 if (object_id < 0) {
 653                         __rfcomm_delete_id(id);
 654                         return BLUETOOTH_ERROR_INTERNAL;
 655                 }
 656
 657                 cb_data = g_new0(rfcomm_cb_data_t, 1);
 658                 g_strlcpy(cb_data->uuid, remote_uuid, BLUETOOTH_UUID_STRING_MAX);
 659                 cb_data->obj_path = path;
 660                 cb_data->object_id = object_id;
 661                 cb_data->id = id;
 662         }
 663
 664         conn = g_new0(rfcomm_conn_info_t, 1);
 665         conn->fd = -1;
 666         _bt_convert_addr_type_to_string(conn->bt_addr,
 667                                 (unsigned char *)remote_bt_address->addr);
 668
 669         BT_DBG("Connecting to %s uuid %s", conn->bt_addr, remote_uuid);
 670         cb_data->rfcomm_conns = g_slist_append(cb_data->rfcomm_conns, conn);
 671
 672         ret = _bt_discover_services(conn->bt_addr, (char *)remote_uuid,
 673                                 __bt_discover_service_response_cb, cb_data);
 674         if (ret != BLUETOOTH_ERROR_NONE) {
 675                 BT_ERR("Error returned while service discovery");
 676                 __rfcomm_remove_conn_info_t(cb_data, conn->bt_addr);
 677                 if (cb_data->rfcomm_conns == NULL)
 678                         rfcomm_cb_data_remove(cb_data);
 679                 return BLUETOOTH_ERROR_INTERNAL;
 680         }
 681
 682         if (g_slist_find(rfcomm_clients, cb_data) == NULL) {
 683                 BT_INFO("Adding callback information to rfcomm_clients");
 684                 rfcomm_clients = g_slist_append(rfcomm_clients, cb_data);
 685         } else
 686                 BT_INFO("Callback information is already added");
 687
 688         return BLUETOOTH_ERROR_NONE;
 689 #else
 690         user_info = _bt_get_user_data(BT_COMMON);
 691         retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
 692
 693         /* connect_type:  BT_RFCOMM_UUID / BT_RFCOMM_CHANNEL*/
 694         /* In now, we only support to connecty using UUID */
 695         connect_type = BT_RFCOMM_UUID;
 696
 697         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_CLIENT_CONNECT)
 698              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 699                 BT_ERR("Don't have a privilege to use this API");
 700                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 701         }
 702
 703         BT_INIT_PARAMS();
 704         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 705
 706         g_array_append_vals(in_param1, remote_bt_address,
 707                                 sizeof(bluetooth_device_address_t));
 708
 709         g_strlcpy(uuid, remote_uuid, sizeof(uuid));
 710         g_array_append_vals(in_param2, uuid, BLUETOOTH_UUID_STRING_MAX);
 711
 712         g_array_append_vals(in_param3, &connect_type, sizeof(int));
 713
 714         result = _bt_send_request_async(BT_BLUEZ_SERVICE,
 715                                 BT_RFCOMM_CLIENT_CONNECT,
 716                                 in_param1, in_param2,
 717                                 in_param3, in_param4,
 718                                 user_info->cb, user_info->user_data);
 719
 720         BT_DBG("result: %x", result);
 721
 722         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 723
 724         return result;
 725 #endif
 726 }
 727
 728 BT_EXPORT_API int bluetooth_rfcomm_client_is_connected(const bluetooth_device_address_t *device_address, gboolean *connected)
 729 {
 730         GSList *l;
 731         GSList *conn_list = NULL;
 732         rfcomm_cb_data_t *client_info;
 733         rfcomm_conn_info_t *conn_info;
 734         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
 735
 736         BT_CHECK_PARAMETER(device_address, return);
 737         BT_CHECK_PARAMETER(connected, return);
 738
 739         _bt_convert_addr_type_to_string(address, (unsigned char *)device_address->addr);
 740         *connected = FALSE;
 741
 742         for (l = rfcomm_clients; l != NULL; l = l->next) {
 743                 client_info = l->data;
 744                 if (client_info == NULL)
 745                         continue;
 746                 for (conn_list = client_info->rfcomm_conns;
 747                         conn_list != NULL; conn_list = conn_list->next) {
 748                         conn_info = conn_list->data;
 749                         if (conn_info == NULL)
 750                                 continue;
 751
 752                         if (g_strcmp0(address, conn_info->bt_addr) == 0) {
 753                                 *connected = TRUE;
 754                                 return BLUETOOTH_ERROR_NONE;
 755                         }
 756                 }
 757         }
 758
 759         return BLUETOOTH_ERROR_NONE;
 760 }
 761
 762 BT_EXPORT_API gboolean bluetooth_rfcomm_is_client_connected(void)
 763 {
 764         int result;
 765         int connected = FALSE;
 766
 767         BT_CHECK_ENABLED(return);
 768
 769         BT_INIT_PARAMS();
 770         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 771
 772         result = _bt_send_request(BT_BLUEZ_SERVICE,
 773                         BT_RFCOMM_CLIENT_IS_CONNECTED,
 774                         in_param1, in_param2, in_param3,
 775                         in_param4, &out_param);
 776
 777         BT_DBG("result: %x", result);
 778
 779         if (result == BLUETOOTH_ERROR_NONE) {
 780                 connected = g_array_index(out_param,
 781                                 int, 0);
 782         } else {
 783                 BT_ERR("Fail to send request");
 784         }
 785
 786         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 787
 788         return connected;
 789 }
 790
 791 BT_EXPORT_API int bluetooth_rfcomm_disconnect(int socket_fd)
 792 {
 793 #ifdef RFCOMM_DIRECT
 794         rfcomm_cb_data_t *info;
 795         rfcomm_conn_info_t *conn_info;
 796
 797         BT_INFO_C("### Disconnect RFCOMM");
 798
 799         BT_CHECK_ENABLED(return);
 800
 801         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_SOCKET_DISCONNECT)
 802              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 803                 BT_ERR("Don't have a privilege to use this API");
 804                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 805         }
 806
 807         BT_DBG("Requested FD %d", socket_fd);
 808         if (socket_fd < 0) {
 809                 BT_ERR("Invalid FD");
 810                 return BLUETOOTH_ERROR_INVALID_PARAM;
 811         }
 812         BT_DBG("FDD %d", socket_fd);
 813
 814         info = __find_rfcomm_info_with_fd(socket_fd);
 815         if (info == NULL) {
 816                 BT_DBG("Could not find in client, so check in server");
 817                 return bluetooth_rfcomm_server_disconnect(socket_fd);
 818         }
 819
 820         conn_info = __get_conn_info_from_fd(info, socket_fd);
 821         if (conn_info == NULL) {
 822                 BT_ERR("Could not find connection info");
 823                 return BLUETOOTH_ERROR_INTERNAL;
 824         }
 825
 826         if (conn_info->watch_id == 0 || conn_info->disconnected) {
 827                 BT_ERR("Invalid state");
 828                 return BLUETOOTH_ERROR_NOT_CONNECTED;
 829         }
 830
 831         close(conn_info->fd);
 832         conn_info->disconnected = TRUE;
 833
 834         BT_INFO("conn_info %s", conn_info->bt_addr);
 835         _bt_disconnect_profile(conn_info->bt_addr, info->uuid, NULL, NULL);
 836
 837         /*
 838          * ToDo : If idle_id is not zero, it means disconnect request is
 839          * going on. Such a case, in-progress error should be returned.
 840          */
 841         if (info->idle_id == 0)
 842                 info->idle_id = g_idle_add(__rfcomm_client_disconnect, info);
 843
 844         return BLUETOOTH_ERROR_NONE;
 845 #else
 846         int result;
 847         int service_function;
 848
 849         BT_CHECK_ENABLED(return);
 850
 851         BT_INIT_PARAMS();
 852         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 853
 854         /* Support the OSP */
 855         if (socket_fd == -1) {
 856                 /* Cancel connect */
 857                 service_function = BT_RFCOMM_CLIENT_CANCEL_CONNECT;
 858         } else {
 859                 g_array_append_vals(in_param1, &socket_fd, sizeof(int));
 860                 service_function = BT_RFCOMM_SOCKET_DISCONNECT;
 861         }
 862
 863         result = _bt_send_request(BT_BLUEZ_SERVICE, service_function,
 864                 in_param1, in_param2, in_param3, in_param4, &out_param);
 865
 866         BT_DBG("result: %x", result);
 867
 868         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 869
 870         return result;
 871 #endif
 872 }
 873
 874 BT_EXPORT_API int bluetooth_rfcomm_write(int fd, const char *buf, int length)
 875 {
 876 #ifdef RFCOMM_DIRECT
 877         int written;
 878 #else
 879         char *buffer;
 880 #endif
 881         int result;
 882
 883         BT_CHECK_PARAMETER(buf, return);
 884         if (fd < 0) {
 885                 BT_ERR("Invalid FD");
 886                 return BLUETOOTH_ERROR_INVALID_PARAM;
 887         }
 888
 889 #ifndef RFCOMM_DIRECT
 890         BT_CHECK_ENABLED(return);
 891 #endif
 892         retv_if(length <= 0, BLUETOOTH_ERROR_INVALID_PARAM);
 893
 894 #ifdef TIZEN_DPM_ENABLE
 895         if (_bt_check_dpm(BT_DPM_SPP, NULL) == BT_DPM_RESTRICTED ||
 896                 _bt_check_dpm(BT_DPM_HF_ONLY, NULL) == BT_DPM_RESTRICTED) {
 897                 BT_ERR("Not allow to write RFCOMM data");
 898                 return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 899         }
 900 #endif
 901
 902 #ifdef RFCOMM_DIRECT
 903         switch (privilege_token) {
 904         case 0:
 905                 result = _bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_SOCKET_WRITE);
 906
 907                 if (result == BLUETOOTH_ERROR_NONE) {
 908                         privilege_token = 1; /* Have a permission */
 909                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 910                         BT_ERR("Don't have a privilege to use this API");
 911                         privilege_token = -1; /* Don't have a permission */
 912                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 913                 } else {
 914                         /* Just break - It is not related with permission error */
 915                 }
 916                 break;
 917         case 1:
 918                 /* Already have a privilege */
 919                 break;
 920         case -1:
 921                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 922         default:
 923                 /* Invalid privilge token value */
 924                 return BLUETOOTH_ERROR_INTERNAL;
 925         }
 926
 927         written = write(fd, buf, length);
 928         /*BT_DBG("Length %d, written = %d, balance(%d)",
 929                          length, written, length - written); */
 930         return written;
 931 #else
 932         BT_INIT_PARAMS();
 933         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 934
 935         buffer = g_malloc0(length + 1);
 936
 937         memcpy(buffer, buf, length);
 938
 939         g_array_append_vals(in_param1, &fd, sizeof(int));
 940         g_array_append_vals(in_param2, &length, sizeof(int));
 941         g_array_append_vals(in_param3, buffer, length);
 942
 943         result = _bt_send_request(BT_BLUEZ_SERVICE, BT_RFCOMM_SOCKET_WRITE,
 944                 in_param1, in_param2, in_param3, in_param4, &out_param);
 945
 946         BT_DBG("result: %x", result);
 947
 948         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 949
 950         g_free(buffer);
 951
 952         return result;
 953 #endif
 954 }
 955