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 TIZEN_FEATURE_BT_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_FEATURE_BT_DPM
  32 #include "bt-dpm.h"
  33 #endif
  34
  35 #ifdef TIZEN_FEATURE_BT_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         __rfcomm_remove_conn_info_t(info, conn_info->bt_addr);
 273         if (info->rfcomm_conns == NULL)
 274                 rfcomm_cb_data_remove(info);
 275
 276         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DISCONNECTED,
 277                         BLUETOOTH_ERROR_NONE, &disconn_info,
 278                         event_info->cb, event_info->user_data);
 279
 280         BT_DBG("-");
 281 }
 282
 283 static gboolean __rfcomm_client_disconnect(gpointer user_data)
 284 {
 285         rfcomm_cb_data_t *info = (rfcomm_cb_data_t *)user_data;
 286
 287         BT_INFO_C("### Disconnected [RFCOMM Client]");
 288
 289         retv_if(info == NULL, FALSE);
 290
 291         if (g_slist_find(rfcomm_clients, info) == NULL) {
 292                 BT_INFO("rfcomm resource is already freed");
 293                 return FALSE;
 294         }
 295         info->idle_id = 0;
 296
 297         g_slist_foreach(info->rfcomm_conns,
 298                 (GFunc)_bt_rfcomm_disconnect_conn_info, info);
 299
 300         BT_DBG("-");
 301         return FALSE;
 302 }
 303
 304 static gboolean __is_error_by_disconnect(GError *err)
 305 {
 306         return !g_strcmp0(err->message, "Connection reset by peer") ||
 307                         !g_strcmp0(err->message, "Connection timed out") ||
 308                         !g_strcmp0(err->message, "Software caused connection abort");
 309 }
 310
 311 static gboolean __client_data_received_cb(GIOChannel *chan, GIOCondition cond,
 312                                                                 gpointer data)
 313 {
 314         char *buffer = NULL;
 315         gsize len = 0;
 316         int result = BLUETOOTH_ERROR_NONE;
 317         rfcomm_cb_data_t *info = data;
 318         rfcomm_conn_info_t *conn_info = NULL;
 319         bt_event_info_t *event_info;
 320         bluetooth_rfcomm_received_data_t data_r;
 321         GIOStatus status = G_IO_STATUS_NORMAL;
 322         GError *err = NULL;
 323         int fd;
 324         BT_DBG("");
 325
 326         retv_if(info == NULL, FALSE);
 327         fd = g_io_channel_unix_get_fd(chan);
 328         if (cond & (G_IO_NVAL | G_IO_HUP | G_IO_ERR)) {
 329                 BT_ERR_C("RFComm Client  disconnected: %d", fd);
 330
 331                 conn_info = __get_conn_info_from_fd(info, fd);
 332                 if (conn_info == NULL) {
 333                         BT_ERR("No Connection info found with FD [%d]", fd);
 334                         return FALSE;
 335                 }
 336
 337                 if (conn_info->disconnected == FALSE) {
 338                         close(conn_info->fd);
 339                         conn_info->disconnected = TRUE;
 340                 }
 341                 __rfcomm_client_disconnect(info);
 342                 return FALSE;
 343         }
 344
 345         buffer = g_malloc0(BT_RFCOMM_BUFFER_LEN + 1);
 346
 347         status = g_io_channel_read_chars(chan, buffer, BT_RFCOMM_BUFFER_LEN,
 348                         &len, &err);
 349         if (status != G_IO_STATUS_NORMAL) {
 350                 BT_ERR("IO Channel read is failed with %d", status);
 351
 352                 g_free(buffer);
 353                 if (err) {
 354                         BT_ERR("IO Channel read error [%s]", err->message);
 355                         if (status == G_IO_STATUS_ERROR &&
 356                                         __is_error_by_disconnect(err)) {
 357                                 BT_ERR("cond : %d", cond);
 358                                 g_error_free(err);
 359
 360                                 conn_info = __get_conn_info_from_fd(info, fd);
 361                                 if (conn_info == NULL) {
 362                                         BT_ERR("No Connection info found with FD [%d]", fd);
 363                                         return FALSE;
 364                                 }
 365
 366                                 if (conn_info->disconnected == FALSE) {
 367                                         close(conn_info->fd);
 368                                         conn_info->disconnected = TRUE;
 369                                 }
 370                                 __rfcomm_client_disconnect(info);
 371                                 return FALSE;
 372                         }
 373                         g_error_free(err);
 374                 }
 375                 return TRUE;
 376         }
 377
 378         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 379         if (event_info == NULL) {
 380                 g_free(buffer);
 381                 return TRUE;
 382         }
 383
 384         data_r.socket_fd = fd;
 385         data_r.buffer_size = len;
 386         data_r.buffer = buffer;
 387
 388         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_DATA_RECEIVED,
 389                         result, &data_r,
 390                         event_info->cb, event_info->user_data);
 391
 392         g_free(buffer);
 393         return TRUE;
 394 }
 395
 396 static void __client_connected_cb(rfcomm_cb_data_t *cb_data, char *dev_address,
 397         int result)
 398 {
 399         bluetooth_rfcomm_connection_t conn_info;
 400         bt_event_info_t *event_info;
 401         rfcomm_conn_info_t *conn_list_info = NULL;
 402
 403         if (result == BLUETOOTH_ERROR_NONE)
 404                 BT_INFO_C("### Connected [RFCOMM Client]");
 405
 406         event_info = _bt_event_get_cb_data(BT_RFCOMM_CLIENT_EVENT);
 407         if (event_info == NULL)
 408                 return;
 409
 410         memset(&conn_info, 0x00, sizeof(bluetooth_rfcomm_connection_t));
 411         conn_info.device_role = RFCOMM_ROLE_CLIENT;
 412         g_strlcpy(conn_info.uuid, cb_data->uuid, BLUETOOTH_UUID_STRING_MAX);
 413         _bt_convert_addr_string_to_type(conn_info.device_addr.addr,
 414                         dev_address);
 415         conn_list_info = __get_conn_info_from_address(cb_data, dev_address);
 416         if (conn_list_info == NULL) {
 417                 BT_ERR("Device addres %s not found in connection list", dev_address);
 418                 return;
 419         }
 420         conn_info.socket_fd = conn_list_info->fd;
 421         conn_info.server_id = -1;
 422
 423         BT_DBG("Connection Result[%d] BT_ADDRESS[%s] UUID[%s] FD[%d]",
 424                         result, conn_list_info->bt_addr, cb_data->uuid, conn_list_info->fd);
 425         _bt_common_event_cb(BLUETOOTH_EVENT_RFCOMM_CONNECTED,
 426                         result, &conn_info,
 427                         event_info->cb, event_info->user_data);
 428         BT_DBG("-");
 429 }
 430
 431 void _bt_rfcomm_client_disconnect_all(void)
 432 {
 433         GSList *client;
 434         GSList *conn;
 435
 436         BT_INFO_C("### Disconnect all RFCOMM client connections");
 437
 438         for (client = rfcomm_clients; client; ) {
 439                 rfcomm_cb_data_t *info = client->data;
 440
 441                 for (conn = info->rfcomm_conns; conn; conn = conn->next) {
 442                         rfcomm_conn_info_t *conn_info = conn->data;
 443
 444                         if (conn_info == NULL)
 445                                 continue;
 446
 447                         if (conn_info->watch_id == 0 || conn_info->disconnected)
 448                                 continue;
 449
 450                         close(conn_info->fd);
 451                         conn_info->disconnected = TRUE;
 452
 453                         _bt_disconnect_ext_profile(conn_info->bt_addr,
 454                                                    info->obj_path);
 455                 }
 456
 457                 client = client->next;
 458                 __rfcomm_client_disconnect(info);
 459         }
 460
 461         return;
 462 }
 463 #endif
 464
 465 int new_connection(const char *path, int fd, bluetooth_device_address_t *addr)
 466 {
 467         rfcomm_cb_data_t *info;
 468         GIOChannel *data_io;
 469         rfcomm_conn_info_t *conn_info = NULL;
 470         char address[BT_ADDRESS_STRING_SIZE];
 471
 472         BT_INFO("%s %d", path, fd);
 473
 474         _bt_convert_addr_type_to_string(address,
 475                                 (unsigned char *)addr);
 476
 477         info = __find_rfcomm_info_from_path(path);
 478         if (info == NULL) {
 479                 BT_ERR("rfcomm info is NULL");
 480                 return -1;
 481         }
 482
 483         conn_info = __get_conn_info_from_address(info, address);
 484         if (conn_info == NULL) {
 485                 BT_ERR("connection info is NULL");
 486                 return -1;
 487         }
 488
 489         conn_info->fd = fd;
 490
 491         data_io = g_io_channel_unix_new(fd);
 492
 493         g_io_channel_set_encoding(data_io, NULL, NULL);
 494         g_io_channel_set_flags(data_io, G_IO_FLAG_NONBLOCK, NULL);
 495
 496         conn_info->watch_id = g_io_add_watch(data_io,
 497                                 G_IO_IN | G_IO_HUP | G_IO_ERR | G_IO_NVAL,
 498                                 __client_data_received_cb, info);
 499
 500         g_io_channel_unref(data_io);
 501
 502         __client_connected_cb(info, address, BLUETOOTH_ERROR_NONE);
 503
 504         return 0;
 505 }
 506
 507 static void __bt_connect_response_cb(GDBusProxy *proxy, GAsyncResult *res,
 508                                                         gpointer user_data)
 509
 510 {
 511         GError *error = NULL;
 512         GVariant *value;
 513         rfcomm_cb_data_t *cb_data;
 514         char dev_address[BT_ADDRESS_STRING_SIZE];
 515         const char *path;
 516         BT_DBG("+");
 517
 518         ret_if(user_data == NULL);
 519
 520         cb_data = user_data;
 521
 522         value = g_dbus_proxy_call_finish(proxy, res, &error);
 523         if (value == NULL) {
 524                 int result;
 525                 g_dbus_error_strip_remote_error(error);
 526                 BT_ERR("Error : %s \n", error->message);
 527
 528                 if (g_strcmp0(error->message, "In Progress") == 0)
 529                         result = BLUETOOTH_ERROR_DEVICE_BUSY;
 530                 else
 531                         result = BLUETOOTH_ERROR_INTERNAL;
 532                 path = g_dbus_proxy_get_object_path(proxy);
 533                 _bt_convert_device_path_to_address(path, dev_address);
 534                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 535
 536                 g_error_free(error);
 537         } else {
 538                 g_variant_unref(value);
 539         }
 540
 541         if (proxy)
 542                 g_object_unref(proxy);
 543
 544         BT_DBG("-");
 545 }
 546
 547 static void __bt_discover_service_response_cb(GDBusProxy *proxy,
 548                                 GAsyncResult *res, gpointer user_data)
 549 {
 550         rfcomm_cb_data_t *cb_data;
 551         int ret = 0;
 552         GError *err = NULL;
 553         GVariant *value;
 554         bt_register_profile_info_t info = {0};
 555         int result = BLUETOOTH_ERROR_NONE;
 556         char dev_address[BT_ADDRESS_STRING_SIZE];
 557         const char *path;
 558
 559         BT_DBG("+");
 560
 561         ret_if(user_data == NULL);
 562
 563         cb_data = user_data;
 564
 565         path = g_dbus_proxy_get_object_path(proxy);
 566
 567         _bt_convert_device_path_to_address(path, dev_address);
 568         BT_DBG("Device Adress [%s]", dev_address);
 569         value = g_dbus_proxy_call_finish(proxy, res, &err);
 570         if (proxy)
 571                 g_object_unref(proxy);
 572         if (value)
 573                 g_variant_unref(value);
 574
 575         if (err != NULL) {
 576                 g_dbus_error_strip_remote_error(err);
 577                 BT_ERR("Error occured in Proxy call [%s]\n", err->message);
 578                 if (!strcmp("Operation canceled", err->message)) {
 579                         result = BLUETOOTH_ERROR_CANCEL_BY_USER;
 580                 } else if (!strcmp("In Progress", err->message)) {
 581                         result = BLUETOOTH_ERROR_IN_PROGRESS;
 582                 } else if (!strcmp("Host is down", err->message)) {
 583                         result = BLUETOOTH_ERROR_HOST_DOWN;
 584                 } else if (!strcmp(BT_TIMEOUT_MESSAGE, err->message)) {
 585                         result = BLUETOOTH_ERROR_SERVICE_SEARCH_ERROR;
 586                         ret = _bt_cancel_discovers(dev_address);
 587                         if (ret != BLUETOOTH_ERROR_NONE)
 588                                 BT_ERR("Error: While CancelDiscovery");
 589                 } else {
 590                         result = BLUETOOTH_ERROR_CONNECTION_ERROR;
 591                 }
 592                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 593                 goto done;
 594         } else {
 595                 BT_INFO("Services are Updated checking required uuid is there");
 596                 /* Check here for uuid present */
 597                 ret = _bt_discover_service_uuids(dev_address, (char *)cb_data->uuid);
 598                 if (ret == BLUETOOTH_ERROR_NONE) {
 599                         info.uuid = (char *)cb_data->uuid;
 600                         info.obj_path = cb_data->obj_path;
 601                         info.role = "client";
 602
 603                         ret = _bt_register_profile(&info, FALSE);
 604                         if (ret < 0)
 605                                 BT_DBG("Error: register profile");
 606                         ret = _bt_connect_profile(dev_address, cb_data->uuid,
 607                                                 __bt_connect_response_cb, cb_data);
 608
 609                         if (ret != BLUETOOTH_ERROR_NONE) {
 610                                 BT_ERR("ConnectProfile failed");
 611                                 result = BLUETOOTH_ERROR_CONNECTION_ERROR;
 612                                 __rfcomm_client_connected_cb(cb_data, dev_address, result);
 613                                 goto done;
 614                         }
 615                 } else {
 616                         BT_ERR("remote uuid not found");
 617                         result = BLUETOOTH_ERROR_SERVICE_NOT_FOUND;
 618                         __rfcomm_client_connected_cb(cb_data, dev_address, result);
 619                 }
 620         }
 621 done:
 622         if (err)
 623                 g_clear_error(&err);
 624 }
 625
 626 BT_EXPORT_API int bluetooth_rfcomm_connect(
 627                 const bluetooth_device_address_t *remote_bt_address,
 628                 const char *remote_uuid)
 629 {
 630
 631 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
 632         rfcomm_cb_data_t *cb_data = NULL;
 633         rfcomm_conn_info_t *conn = NULL;
 634 #else
 635         int result;
 636         int connect_type;
 637         bt_user_info_t *user_info;
 638         char uuid[BLUETOOTH_UUID_STRING_MAX];
 639 #endif
 640         BT_CHECK_PARAMETER(remote_bt_address, return);
 641         BT_CHECK_PARAMETER(remote_uuid, return);
 642         BT_CHECK_ENABLED(return);
 643
 644 #ifdef TIZEN_FEATURE_BT_DPM
 645         if (_bt_check_dpm(BT_DPM_ADDRESS, (void *)remote_bt_address) == BT_DPM_RESTRICTED) {
 646                 BT_ERR("Blacklist device");
 647                 return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 648         }
 649
 650         if (_bt_check_dpm(BT_DPM_SPP, NULL) == BT_DPM_RESTRICTED ||
 651                 _bt_check_dpm(BT_DPM_HF_ONLY, NULL) == BT_DPM_RESTRICTED) {
 652                 BT_ERR("Not allow to connect the RFCOMM service");
 653                 return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 654         }
 655
 656         if (_bt_check_dpm(BT_DPM_DESKTOP, NULL) == BT_DPM_RESTRICTED) {
 657                 char address[BT_ADDRESS_STRING_SIZE] = { 0 };
 658                 bluetooth_device_class_t dev_class;
 659
 660                 _bt_convert_addr_type_to_string(address, (unsigned char *)remote_bt_address->addr);
 661                 _bt_get_cod_by_address(address, &dev_class);
 662
 663                 if (dev_class.major_class == BLUETOOTH_DEVICE_MAJOR_CLASS_COMPUTER) {
 664                         BT_ERR("Reject a authorization due to MDM Policy");
 665                         return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 666                 }
 667         }
 668 #endif
 669
 670 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
 671         BT_INFO_C("### Connect RFCOMM");
 672         int ret;
 673         int id, object_id;
 674         char *path;
 675
 676         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_CLIENT_CONNECT)
 677              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 678                 BT_ERR("Don't have a privilege to use this API");
 679                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 680         }
 681
 682         id = __rfcomm_assign_id();
 683         if (id < 0)
 684                 return BLUETOOTH_ERROR_INTERNAL;
 685
 686         cb_data = __find_rfcomm_info_from_uuid(remote_uuid);
 687         if (!cb_data) {
 688                 path = g_strdup_printf("/org/socket/client/%d/%d", getpid(), id);
 689
 690                 object_id = _bt_register_new_conn(path, new_connection);
 691                 if (object_id < 0) {
 692                         __rfcomm_delete_id(id);
 693                         g_free(path);
 694                         return BLUETOOTH_ERROR_INTERNAL;
 695                 }
 696
 697                 cb_data = g_new0(rfcomm_cb_data_t, 1);
 698                 g_strlcpy(cb_data->uuid, remote_uuid, BLUETOOTH_UUID_STRING_MAX);
 699                 cb_data->obj_path = path;
 700                 cb_data->object_id = object_id;
 701                 cb_data->id = id;
 702         }
 703
 704         conn = g_new0(rfcomm_conn_info_t, 1);
 705         conn->fd = -1;
 706         _bt_convert_addr_type_to_string(conn->bt_addr,
 707                                 (unsigned char *)remote_bt_address->addr);
 708
 709         BT_DBG("Connecting to %s uuid %s", conn->bt_addr, remote_uuid);
 710         cb_data->rfcomm_conns = g_slist_append(cb_data->rfcomm_conns, conn);
 711
 712         ret = _bt_discover_services(conn->bt_addr, (char *)remote_uuid,
 713                                 __bt_discover_service_response_cb, cb_data);
 714         if (ret != BLUETOOTH_ERROR_NONE) {
 715                 BT_ERR("Error returned while service discovery");
 716                 __rfcomm_remove_conn_info_t(cb_data, conn->bt_addr);
 717                 if (cb_data->rfcomm_conns == NULL)
 718                         rfcomm_cb_data_remove(cb_data);
 719                 return BLUETOOTH_ERROR_INTERNAL;
 720         }
 721
 722         if (g_slist_find(rfcomm_clients, cb_data) == NULL) {
 723                 BT_INFO("Adding callback information to rfcomm_clients");
 724                 rfcomm_clients = g_slist_append(rfcomm_clients, cb_data);
 725         } else
 726                 BT_INFO("Callback information is already added");
 727
 728         return BLUETOOTH_ERROR_NONE;
 729 #else
 730         user_info = _bt_get_user_data(BT_COMMON);
 731         retv_if(user_info->cb == NULL, BLUETOOTH_ERROR_INTERNAL);
 732
 733         /* connect_type:  BT_RFCOMM_UUID / BT_RFCOMM_CHANNEL*/
 734         /* In now, we only support to connecty using UUID */
 735         connect_type = BT_RFCOMM_UUID;
 736
 737         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_CLIENT_CONNECT)
 738              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 739                 BT_ERR("Don't have a privilege to use this API");
 740                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 741         }
 742
 743         BT_INIT_PARAMS();
 744         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 745
 746         g_array_append_vals(in_param1, remote_bt_address,
 747                                 sizeof(bluetooth_device_address_t));
 748
 749         g_strlcpy(uuid, remote_uuid, sizeof(uuid));
 750         g_array_append_vals(in_param2, uuid, BLUETOOTH_UUID_STRING_MAX);
 751
 752         g_array_append_vals(in_param3, &connect_type, sizeof(int));
 753
 754         result = _bt_send_request_async(BT_BLUEZ_SERVICE,
 755                                 BT_RFCOMM_CLIENT_CONNECT,
 756                                 in_param1, in_param2,
 757                                 in_param3, in_param4,
 758                                 user_info->cb, user_info->user_data);
 759
 760         BT_DBG("result: %x", result);
 761
 762         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 763
 764         return result;
 765 #endif
 766 }
 767
 768 BT_EXPORT_API int bluetooth_rfcomm_client_is_connected(const bluetooth_device_address_t *device_address, gboolean *connected)
 769 {
 770         GSList *l;
 771         GSList *conn_list = NULL;
 772         rfcomm_cb_data_t *client_info;
 773         rfcomm_conn_info_t *conn_info;
 774         char address[BT_ADDRESS_STRING_SIZE] = { 0 };
 775
 776         BT_CHECK_PARAMETER(device_address, return);
 777         BT_CHECK_PARAMETER(connected, return);
 778
 779         _bt_convert_addr_type_to_string(address, (unsigned char *)device_address->addr);
 780         *connected = FALSE;
 781
 782         for (l = rfcomm_clients; l != NULL; l = l->next) {
 783                 client_info = l->data;
 784                 if (client_info == NULL)
 785                         continue;
 786                 for (conn_list = client_info->rfcomm_conns;
 787                         conn_list != NULL; conn_list = conn_list->next) {
 788                         conn_info = conn_list->data;
 789                         if (conn_info == NULL)
 790                                 continue;
 791
 792                         if (g_strcmp0(address, conn_info->bt_addr) == 0) {
 793                                 *connected = TRUE;
 794                                 return BLUETOOTH_ERROR_NONE;
 795                         }
 796                 }
 797         }
 798
 799         return BLUETOOTH_ERROR_NONE;
 800 }
 801
 802 BT_EXPORT_API gboolean bluetooth_rfcomm_is_client_connected(void)
 803 {
 804         int result;
 805         int connected = FALSE;
 806
 807         BT_CHECK_ENABLED(return);
 808
 809         BT_INIT_PARAMS();
 810         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 811
 812         result = _bt_send_request(BT_BLUEZ_SERVICE,
 813                         BT_RFCOMM_CLIENT_IS_CONNECTED,
 814                         in_param1, in_param2, in_param3,
 815                         in_param4, &out_param);
 816
 817         BT_DBG("result: %x", result);
 818
 819         if (result == BLUETOOTH_ERROR_NONE) {
 820                 connected = g_array_index(out_param,
 821                                 int, 0);
 822         } else {
 823                 BT_ERR("Fail to send request");
 824         }
 825
 826         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 827
 828         return connected;
 829 }
 830
 831 BT_EXPORT_API int bluetooth_rfcomm_disconnect(int socket_fd)
 832 {
 833 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
 834         rfcomm_cb_data_t *info;
 835         rfcomm_conn_info_t *conn_info;
 836
 837         BT_INFO_C("### Disconnect RFCOMM");
 838
 839         BT_CHECK_ENABLED(return);
 840
 841         if (_bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_SOCKET_DISCONNECT)
 842              == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 843                 BT_ERR("Don't have a privilege to use this API");
 844                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 845         }
 846
 847         BT_DBG("Requested FD %d", socket_fd);
 848         if (socket_fd < 0) {
 849                 BT_ERR("Invalid FD");
 850                 return BLUETOOTH_ERROR_INVALID_PARAM;
 851         }
 852         BT_DBG("FDD %d", socket_fd);
 853
 854         info = __find_rfcomm_info_with_fd(socket_fd);
 855         if (info == NULL) {
 856                 BT_DBG("Could not find in client, so check in server");
 857                 return bluetooth_rfcomm_server_disconnect(socket_fd);
 858         }
 859
 860         conn_info = __get_conn_info_from_fd(info, socket_fd);
 861         if (conn_info == NULL) {
 862                 BT_ERR("Could not find connection info");
 863                 return BLUETOOTH_ERROR_INTERNAL;
 864         }
 865
 866         if (conn_info->watch_id == 0 || conn_info->disconnected) {
 867                 BT_ERR("Invalid state");
 868                 return BLUETOOTH_ERROR_NOT_CONNECTED;
 869         }
 870
 871         close(conn_info->fd);
 872         conn_info->disconnected = TRUE;
 873
 874         BT_INFO("conn_info %s", conn_info->bt_addr);
 875         _bt_disconnect_ext_profile(conn_info->bt_addr, info->obj_path);
 876
 877         if (info->idle_id == 0)
 878                 info->idle_id = g_idle_add(__rfcomm_client_disconnect, info);
 879
 880         return BLUETOOTH_ERROR_NONE;
 881 #else
 882         int result;
 883
 884         BT_CHECK_ENABLED(return);
 885
 886         BT_INIT_PARAMS();
 887         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 888
 889         /* Support the OSP */
 890         if (socket_fd == -1) {
 891                 /* Cancel connect */
 892                 result = _bt_send_request(BT_BLUEZ_SERVICE, BT_RFCOMM_CLIENT_CANCEL_CONNECT,
 893                         in_param1, in_param2, in_param3, in_param4, &out_param);
 894         } else {
 895                 g_array_append_vals(in_param1, &socket_fd, sizeof(int));
 896                 result = _bt_send_request(BT_BLUEZ_SERVICE, BT_RFCOMM_SOCKET_DISCONNECT,
 897                         in_param1, in_param2, in_param3, in_param4, &out_param);
 898         }
 899
 900         BT_DBG("result: %x", result);
 901
 902         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 903
 904         return result;
 905 #endif
 906 }
 907
 908 BT_EXPORT_API int bluetooth_rfcomm_write(int fd, const char *buf, int length)
 909 {
 910 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
 911         int written;
 912 #else
 913         char *buffer;
 914 #endif
 915         int result;
 916
 917         BT_CHECK_PARAMETER(buf, return);
 918         if (fd < 0) {
 919                 BT_ERR("Invalid FD");
 920                 return BLUETOOTH_ERROR_INVALID_PARAM;
 921         }
 922
 923 #ifndef TIZEN_FEATURE_BT_RFCOMM_DIRECT
 924         BT_CHECK_ENABLED(return);
 925 #endif
 926         retv_if(length <= 0, BLUETOOTH_ERROR_INVALID_PARAM);
 927
 928 #ifdef TIZEN_FEATURE_BT_DPM
 929         if (_bt_check_dpm(BT_DPM_SPP, NULL) == BT_DPM_RESTRICTED ||
 930                 _bt_check_dpm(BT_DPM_HF_ONLY, NULL) == BT_DPM_RESTRICTED) {
 931                 BT_ERR("Not allow to write RFCOMM data");
 932                 return BLUETOOTH_ERROR_DEVICE_POLICY_RESTRICTION;
 933         }
 934 #endif
 935
 936 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
 937         switch (privilege_token) {
 938         case 0:
 939                 result = _bt_check_privilege(BT_BLUEZ_SERVICE, BT_RFCOMM_SOCKET_WRITE);
 940
 941                 if (result == BLUETOOTH_ERROR_NONE) {
 942                         privilege_token = 1; /* Have a permission */
 943                 } else if (result == BLUETOOTH_ERROR_PERMISSION_DEINED) {
 944                         BT_ERR("Don't have a privilege to use this API");
 945                         privilege_token = -1; /* Don't have a permission */
 946                         return BLUETOOTH_ERROR_PERMISSION_DEINED;
 947                 } else {
 948                         /* Just break - It is not related with permission error */
 949                 }
 950                 break;
 951         case 1:
 952                 /* Already have a privilege */
 953                 break;
 954         case -1:
 955                 return BLUETOOTH_ERROR_PERMISSION_DEINED;
 956         default:
 957                 /* Invalid privilge token value */
 958                 return BLUETOOTH_ERROR_INTERNAL;
 959         }
 960
 961         written = write(fd, buf, length);
 962         /*BT_DBG("Length %d, written = %d, balance(%d)",
 963                          length, written, length - written); */
 964         return written;
 965 #else
 966         BT_INIT_PARAMS();
 967         BT_ALLOC_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 968
 969         buffer = g_malloc0(length + 1);
 970
 971         memcpy(buffer, buf, length);
 972
 973         g_array_append_vals(in_param1, &fd, sizeof(int));
 974         g_array_append_vals(in_param2, &length, sizeof(int));
 975         g_array_append_vals(in_param3, buffer, length);
 976
 977         result = _bt_send_request(BT_BLUEZ_SERVICE, BT_RFCOMM_SOCKET_WRITE,
 978                 in_param1, in_param2, in_param3, in_param4, &out_param);
 979
 980         BT_DBG("result: %x", result);
 981
 982         BT_FREE_PARAMS(in_param1, in_param2, in_param3, in_param4, out_param);
 983
 984         g_free(buffer);
 985
 986         return result;
 987 #endif
 988 }
 989