bt-service/bt-service-agent.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 <unistd.h>
  19 #include <fcntl.h>
  20 #include <string.h>
  21 #include <malloc.h>
  22 #include <stacktrim.h>
  23 #include <vconf.h>
  24 #include <bundle_internal.h>
  25
  26 #include "bt-internal-types.h"
  27 #include "bt-service-common.h"
  28 #include "bt-service-agent.h"
  29 #include "bt-service-gap-agent.h"
  30 #include "bt-service-adapter.h"
  31 #include "bt-service-event.h"
  32 #include "bt-service-rfcomm-server.h"
  33 #include "bt-service-device.h"
  34 #include "bt-service-audio.h"
  35
  36 #ifdef TIZEN_FEATURE_BT_DPM
  37 #include "bt-service-dpm.h"
  38 #endif
  39
  40 #define BT_APP_AUTHENTICATION_TIMEOUT           35
  41 #define BT_APP_AUTHORIZATION_TIMEOUT            15
  42
  43 #define HFP_AUDIO_GATEWAY_UUID "0000111f-0000-1000-8000-00805f9b34fb"
  44 #define HSP_AUDIO_GATEWAY_UUID "00001112-0000-1000-8000-00805f9b34fb"
  45 #define A2DP_UUID "0000110D-0000-1000-8000-00805F9B34FB"
  46 #define AVRCP_TARGET_UUID "0000110c-0000-1000-8000-00805f9b34fb"
  47 #define OPP_UUID "00001105-0000-1000-8000-00805f9b34fb"
  48 #define FTP_UUID "00001106-0000-1000-8000-00805f9b34fb"
  49 #define SPP_UUID "00001101-0000-1000-8000-00805f9b34fb"
  50 #define PBAP_UUID "0000112f-0000-1000-8000-00805f9b34fb"
  51 #define MAP_UUID "00001132-0000-1000-8000-00805f9b34fb"
  52 #define NAP_UUID "00001116-0000-1000-8000-00805f9b34fb"
  53 #define GN_UUID "00001117-0000-1000-8000-00805f9b34fb"
  54 #define BNEP_UUID "0000000f-0000-1000-8000-00805f9b34fb"
  55 #define HID_UUID "00001124-0000-1000-8000-00805f9b34fb"
  56 #define HID_DEVICE_UUID         "00001124-0000-1000-8000-00805f9b43bf"
  57 #define SAP_UUID_OLD "a49eb41e-cb06-495c-9f4f-bb80a90cdf00"
  58 #define SAP_UUID_NEW "a49eb41e-cb06-495c-9f4f-aa80a90cdf4a"
  59 #define IOTIVITY_UUID "12341234-1C25-481F-9DFB-59193D238280"
  60
  61 #define BT_AGENT_OBJECT "/org/bluez/agent/frwk_agent"
  62
  63 #define BT_AGENT_INTERFACE "org.bluez.Agent1"
  64
  65 #define BT_AGENT_SIGNAL_RFCOMM_AUTHORIZE "RfcommAuthorize"
  66 #define BT_AGENT_SIGNAL_OBEX_AUTHORIZE "ObexAuthorize"
  67
  68 #define BT_PASSKEY_MAX_LENGTH 4
  69
  70 #define BT_AGENT_SYSPOPUP_TIMEOUT_FOR_MULTIPLE_POPUPS 200
  71 #define BT_AGENT_SYSPOPUP_MAX_ATTEMPT 3
  72 #define BT_PAN_MAX_CONNECTION 4
  73
  74 extern guint nap_connected_device_count;
  75
  76 static char *passkey_watcher = NULL;
  77
  78 #define G_VARIANT_UNREF(variant) \
  79         g_variant_unref(variant); \
  80         variant = NULL
  81
  82 static int __bt_agent_is_auto_response(uint32_t dev_class, const gchar *address,
  83                                                         const gchar *name);
  84 static gboolean __bt_agent_is_hid_keyboard(uint32_t dev_class);
  85 static int __bt_agent_generate_passkey(char *passkey, int size);
  86
  87 static void __bt_agent_release_memory(void)
  88 {
  89         /* Release Malloc Memory*/
  90         malloc_trim(0);
  91
  92         /* Release Stack Memory*/
  93         stack_trim();
  94 }
  95
  96 static GVariant *__bt_service_getall(GDBusProxy *device, const char *interface)
  97 {
  98         GError *error = NULL;
  99         GVariant *reply;
 100
 101         reply = g_dbus_proxy_call_sync(device,
 102                         "GetAll", g_variant_new("(s)", interface),
 103                         G_DBUS_CALL_FLAGS_NONE, -1,
 104                         NULL, &error);
 105         if (reply == NULL) {
 106                 ERR("GetAll dBUS-RPC failed");
 107                 if (error) {
 108                         ERR("D-Bus API failure: errCode[%x], message[%s]",
 109                                 error->code, error->message);
 110                         g_clear_error(&error);
 111                 }
 112                 return NULL;
 113         }
 114
 115         return reply;
 116 }
 117
 118 static gboolean __pincode_request(GapAgentPrivate *agent, GDBusProxy *device)
 119 {
 120         uint32_t device_class;
 121         gchar *address = NULL;
 122         unsigned char auth_info[5] = {0, };
 123         gchar *name = NULL;
 124         GVariant *reply = NULL;
 125         GVariant *reply_temp = NULL;
 126         GVariant *tmp_value;
 127         char pin_code[BLUETOOTH_PIN_CODE_MAX_LENGTH + 1];
 128         int ret = BLUETOOTH_ERROR_NONE;
 129 #ifdef TIZEN_FEATURE_BT_DPM
 130         int pairing_state = DPM_STATUS_ERROR;
 131 #endif
 132
 133         BT_DBG("+");
 134
 135 #ifdef TIZEN_FEATURE_BT_DPM
 136         _bt_dpm_get_bluetooth_pairing_state(&pairing_state);
 137         if (pairing_state == DPM_RESTRICTED) {
 138                 BT_ERR("Not allow to pair the device");
 139                 gap_agent_reply_confirmation(agent, GAP_AGENT_REJECT, NULL);
 140                 __bt_agent_release_memory();
 141                 return TRUE;
 142         }
 143 #endif
 144
 145         reply_temp = __bt_service_getall(device, BT_DEVICE_INTERFACE);
 146
 147         if (reply_temp == NULL) {
 148                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "",
 149                                 NULL);
 150                 goto done;
 151         }
 152
 153         g_variant_get(reply_temp, "(@a{sv})", &reply); /* Format of reply a{sv}*/
 154
 155         tmp_value = g_variant_lookup_value(reply, "Class", G_VARIANT_TYPE_UINT32);
 156         g_variant_get(tmp_value, "u", &device_class);
 157         G_VARIANT_UNREF(tmp_value);
 158
 159         tmp_value = g_variant_lookup_value(reply, "Address", G_VARIANT_TYPE_STRING);
 160         g_variant_get(tmp_value, "s", &address);
 161         G_VARIANT_UNREF(tmp_value);
 162         if (!address) {
 163                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "", NULL);
 164                 goto done;
 165         }
 166
 167         tmp_value = g_variant_lookup_value(reply, "Name", G_VARIANT_TYPE_STRING);
 168         g_variant_get(tmp_value, "s", &name);
 169         G_VARIANT_UNREF(tmp_value);
 170         if (!name) {
 171                 BT_DBG("Replacing the name with address");
 172                 name = g_strdup(address);
 173         } else {
 174                 BT_INFO("Name = %s, Address = %s, Class = 0x%x", name, address, device_class);
 175                 if (name[0] == '\0') {
 176                         g_free(name);
 177                         BT_DBG("Name[0]=NULL, Replacing the name with address");
 178                         name = g_strdup(address);
 179                 }
 180         }
 181
 182         __bt_get_auth_info(reply, (char *)auth_info);
 183         if (_bt_is_device_creating() == TRUE &&
 184                 _bt_is_bonding_device_address(address) == TRUE &&
 185                 __bt_agent_is_auto_response(device_class, address, name)) {
 186                 BT_DBG("0000 Auto Pair");
 187                 /* Use Fixed PIN "0000" for basic pairing */
 188                 _bt_set_autopair_status_in_bonding_info(TRUE);
 189                 gap_agent_reply_pin_code(agent, GAP_AGENT_ACCEPT, "0000",
 190                                                                         NULL);
 191         } else if (__bt_agent_is_hid_keyboard(device_class)) {
 192                 BT_DBG("HID Keyboard");
 193                 char str_passkey[BT_PASSKEY_MAX_LENGTH + 1] = { 0 };
 194
 195                 if (__bt_agent_generate_passkey(str_passkey,
 196                                         BT_PASSKEY_MAX_LENGTH) != 0) {
 197                         gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT,
 198                                                 "", NULL);
 199                         goto done;
 200                 }
 201
 202                 gap_agent_reply_pin_code(agent, GAP_AGENT_ACCEPT,
 203                                                         str_passkey, NULL);
 204
 205                 if (headed_plugin_info->plugin_headed_enabled) {
 206                         headed_plugin_info->headed_plugin->bt_launch_system_popup(BT_AGENT_EVENT_KEYBOARD_PASSKEY_REQUEST,
 207                                         name, auth_info, str_passkey, NULL, _gap_agent_get_path(agent));
 208                 } else {
 209                         GVariant *param = NULL;
 210                         param = g_variant_new("(isss)", ret, address, name, str_passkey);
 211                         _bt_send_event(BT_ADAPTER_EVENT, BLUETOOTH_EVENT_KEYBOARD_PASSKEY_DISPLAY, param);
 212                 }
 213         } else if (_bt_get_device_pin_code(address, pin_code)
 214                                 == BLUETOOTH_ERROR_NONE) {
 215                 BT_DBG("Use stored PIN code(%s)", pin_code);
 216                 gap_agent_reply_pin_code(agent, GAP_AGENT_ACCEPT, pin_code,
 217                                                                         NULL);
 218                 goto done;
 219         } else {
 220                 if (headed_plugin_info->plugin_headed_enabled) {
 221                         BT_DBG("Show Pin entry");
 222                         headed_plugin_info->headed_plugin->bt_launch_system_popup(BT_AGENT_EVENT_PIN_REQUEST, name, auth_info,
 223                                         NULL, NULL, _gap_agent_get_path(agent));
 224                 } else {
 225                         BT_INFO("Plugin Headed not Enabled");
 226                         GVariant *param = NULL;
 227                         param = g_variant_new("(iss)", ret, address, name);
 228                         _bt_send_event(BT_ADAPTER_EVENT, BLUETOOTH_EVENT_PIN_REQUEST, param);
 229                 }
 230         }
 231
 232 done:
 233         g_variant_unref(reply);
 234         g_variant_unref(reply_temp);
 235         g_free(address);
 236         g_free(name);
 237         __bt_agent_release_memory();
 238         BT_DBG("-");
 239
 240         return TRUE;
 241 }
 242
 243 static gboolean __passkey_request(GapAgentPrivate *agent, GDBusProxy *device)
 244 {
 245         gchar *address = NULL;
 246         gchar *name = NULL;
 247         unsigned char auth_info[5] = {0, };
 248         GVariant *reply = NULL;
 249         GVariant *reply_temp = NULL;
 250         GVariant *tmp_value;
 251         int ret = BLUETOOTH_ERROR_NONE;
 252 #ifdef TIZEN_FEATURE_BT_DPM
 253         int pairing_state = DPM_STATUS_ERROR;
 254 #endif
 255
 256         BT_DBG("+");
 257
 258 #ifdef TIZEN_FEATURE_BT_DPM
 259         _bt_dpm_get_bluetooth_pairing_state(&pairing_state);
 260         if (pairing_state == DPM_RESTRICTED) {
 261                 BT_ERR("Not allow to pair the device");
 262                 gap_agent_reply_confirmation(agent, GAP_AGENT_REJECT, NULL);
 263                 __bt_agent_release_memory();
 264                 return TRUE;
 265         }
 266 #endif
 267
 268         reply_temp = __bt_service_getall(device, BT_DEVICE_INTERFACE);
 269
 270         if (reply_temp == NULL) {
 271                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "",
 272                                              NULL);
 273                 goto done;
 274         }
 275
 276         g_variant_get(reply_temp, "(@a{sv})", &reply); /* Format of reply a{sv}*/
 277
 278         tmp_value = g_variant_lookup_value(reply, "Address", G_VARIANT_TYPE_STRING);
 279         g_variant_get(tmp_value, "s", &address);
 280         G_VARIANT_UNREF(tmp_value);
 281         if (!address) {
 282                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "", NULL);
 283                 goto done;
 284         }
 285
 286         tmp_value = g_variant_lookup_value(reply, "Name", G_VARIANT_TYPE_STRING);
 287         g_variant_get(tmp_value, "s", &name);
 288         G_VARIANT_UNREF(tmp_value);
 289         if (!name)
 290                 name = g_strdup(address);
 291
 292         __bt_get_auth_info(reply, (char *)auth_info);
 293
 294         if (headed_plugin_info->plugin_headed_enabled) {
 295                 headed_plugin_info->headed_plugin->bt_launch_system_popup(BT_AGENT_EVENT_PASSKEY_REQUEST, name, auth_info,
 296                                 NULL, NULL, _gap_agent_get_path(agent));
 297         } else {
 298                 BT_INFO("Plugin Headed not Enabled");
 299                 GVariant *param = NULL;
 300                 param = g_variant_new("(iss)", ret, address, name);
 301                 _bt_send_event(BT_ADAPTER_EVENT, BLUETOOTH_EVENT_PASSKEY_REQUEST, param);
 302         }
 303
 304
 305 done:
 306         g_variant_unref(reply);
 307         g_variant_unref(reply_temp);
 308         g_free(address);
 309         g_free(name);
 310         __bt_agent_release_memory();
 311
 312         BT_DBG("-");
 313         return TRUE;
 314 }
 315
 316 static gboolean __display_request(GapAgentPrivate *agent, GDBusProxy *device,
 317                                                                 guint passkey)
 318 {
 319         gchar *address = NULL;
 320         gchar *name = NULL;
 321         unsigned char auth_info[5] = {0, };
 322         char *str_passkey;
 323         GVariant *reply = NULL;
 324         GVariant *reply_temp = NULL;
 325         GVariant *tmp_value = NULL;
 326         int ret = BLUETOOTH_ERROR_NONE;
 327
 328         BT_DBG("+");
 329
 330         reply_temp = __bt_service_getall(device, BT_DEVICE_INTERFACE);
 331         if (reply_temp == NULL) {
 332                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "",
 333                                              NULL);
 334                 goto done;
 335         }
 336
 337         g_variant_get(reply_temp, "(@a{sv})", &reply); /* Format of reply a{sv}*/
 338
 339         tmp_value = g_variant_lookup_value(reply, "Address", G_VARIANT_TYPE_STRING);
 340         g_variant_get(tmp_value, "s", &address);
 341         G_VARIANT_UNREF(tmp_value);
 342         if (!address) {
 343                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "", NULL);
 344                 goto done;
 345         }
 346
 347         tmp_value = g_variant_lookup_value(reply, "Name", G_VARIANT_TYPE_STRING);
 348         g_variant_get(tmp_value, "s", &name);
 349         G_VARIANT_UNREF(tmp_value);
 350         if (!name)
 351                 name = g_strdup(address);
 352
 353         __bt_get_auth_info(reply, (char *)auth_info);
 354
 355         str_passkey = g_strdup_printf("%06d", passkey);
 356
 357         GVariant *param = NULL;
 358         param = g_variant_new("(ss)", address, str_passkey);
 359
 360         if (passkey_watcher) {
 361                 BT_INFO("Send passkey to %s", passkey_watcher);
 362                 _bt_send_event_to_dest(passkey_watcher, BT_ADAPTER_EVENT,
 363                                 BLUETOOTH_EVENT_PASSKEY_NOTIFICATION, param);
 364         } else {
 365                 if (headed_plugin_info->plugin_headed_enabled) {
 366                         BT_INFO("Plugin Headed Enabled");
 367                         headed_plugin_info->headed_plugin->bt_launch_system_popup(BT_AGENT_EVENT_KEYBOARD_PASSKEY_REQUEST, name,
 368                                         auth_info, str_passkey, NULL, _gap_agent_get_path(agent));
 369                 } else {
 370                         BT_INFO("Plugin Headed not Enabled");
 371                         GVariant *param = NULL;
 372                         param = g_variant_new("(isss)", ret, address, name, str_passkey);
 373                         _bt_send_event(BT_ADAPTER_EVENT, BLUETOOTH_EVENT_KEYBOARD_PASSKEY_DISPLAY, param);
 374                 }
 375         }
 376
 377         g_free(str_passkey);
 378
 379 done:
 380         g_variant_unref(reply);
 381         g_variant_unref(reply_temp);
 382         g_free(address);
 383         g_free(name);
 384         __bt_agent_release_memory();
 385
 386         BT_DBG("-");
 387         return TRUE;
 388 }
 389
 390 static gboolean __confirm_request(GapAgentPrivate *agent, GDBusProxy *device,
 391                                                                 guint passkey)
 392 {
 393         gchar *address = NULL;
 394         gchar *name = NULL;
 395         unsigned char auth_info[5] = {0, };
 396         char str_passkey[7];
 397         GVariant *reply_temp = NULL;
 398         GVariant *reply = NULL;
 399         GVariant *tmp_value;
 400         int ret = BLUETOOTH_ERROR_NONE;
 401 #ifdef TIZEN_FEATURE_BT_DPM
 402                 int pairing_state = DPM_STATUS_ERROR;
 403 #endif
 404         BT_DBG("+ passkey[%.6d]", passkey);
 405
 406 #ifdef TIZEN_FEATURE_BT_DPM
 407         _bt_dpm_get_bluetooth_pairing_state(&pairing_state);
 408         if (pairing_state == DPM_RESTRICTED) {
 409                 BT_ERR("Not allow to pair the device");
 410                 gap_agent_reply_confirmation(agent, GAP_AGENT_REJECT, NULL);
 411                 __bt_agent_release_memory();
 412                 return TRUE;
 413         }
 414 #endif
 415
 416         snprintf(str_passkey, sizeof(str_passkey), "%.6d", passkey);
 417
 418         reply_temp = __bt_service_getall(device, BT_DEVICE_INTERFACE);
 419
 420         if (reply_temp == NULL) {
 421                 BT_ERR("Device doesn't exist");
 422                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "",
 423                                              NULL);
 424                 goto done;
 425         }
 426
 427         g_variant_get(reply_temp, "(@a{sv})", &reply); /* Format of reply a{sv}*/
 428
 429         tmp_value = g_variant_lookup_value(reply, "Address", G_VARIANT_TYPE_STRING);
 430         g_variant_get(tmp_value, "s", &address);
 431         G_VARIANT_UNREF(tmp_value);
 432         if (!address) {
 433                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "", NULL);
 434                 goto done;
 435         }
 436
 437         tmp_value = g_variant_lookup_value(reply, "Name", G_VARIANT_TYPE_STRING);
 438         g_variant_get(tmp_value, "s", &name);
 439         G_VARIANT_UNREF(tmp_value);
 440         if (!name)
 441                 name = g_strdup(address);
 442         __bt_get_auth_info(reply, (char *)auth_info);
 443
 444         if (headed_plugin_info->plugin_headed_enabled) {
 445                 BT_DBG("LAUNCH SYSPOPUP");
 446                 headed_plugin_info->headed_plugin->bt_launch_system_popup(BT_AGENT_EVENT_PASSKEY_CONFIRM_REQUEST, name,
 447                                 auth_info, str_passkey, NULL,
 448                                 _gap_agent_get_path(agent));
 449         } else {
 450                 BT_DBG("Headless Confirmation");
 451                 GVariant *param = NULL;
 452                 param = g_variant_new("(isss)", ret, address, name, str_passkey);
 453                 _bt_send_event(BT_ADAPTER_EVENT, BLUETOOTH_EVENT_PASSKEY_CONFIRM_REQUEST, param);
 454         }
 455
 456 done:
 457         g_variant_unref(reply);
 458         g_variant_unref(reply_temp);
 459         g_free(address);
 460         g_free(name);
 461         __bt_agent_release_memory();
 462         BT_DBG("-");
 463
 464         return TRUE;
 465 }
 466
 467 static gboolean __pairing_cancel_request(GapAgentPrivate *agent, const char *address)
 468 {
 469         BT_DBG("On Going Pairing is cancelled by remote\n");
 470
 471         if (headed_plugin_info->plugin_headed_enabled)
 472                 headed_plugin_info->headed_plugin->bt_destroy_popup_all();
 473
 474         __bt_agent_release_memory();
 475
 476         return TRUE;
 477 }
 478
 479 static gboolean __a2dp_authorize_request_check(void)
 480 {
 481         /* Check for existing Media device to disconnect */
 482         return _bt_is_headset_type_connected(BT_AUDIO_A2DP, NULL);
 483 }
 484
 485 static gboolean __authorize_request(GapAgentPrivate *agent, GDBusProxy *device,
 486                                                         const char *uuid)
 487 {
 488         gchar *address = NULL;
 489         gchar *name = NULL;
 490         unsigned char auth_info[5] = {0, };
 491         gboolean trust;
 492         GVariant *reply = NULL;
 493         GVariant *reply_temp = NULL;
 494         GVariant *tmp_value;
 495         int result = BLUETOOTH_ERROR_NONE;
 496         int request_type = BT_AGENT_EVENT_AUTHORIZE_REQUEST;
 497
 498         BT_DBG("+");
 499
 500         /* Check if already Media connection exsist */
 501         if (!strcasecmp(uuid, A2DP_UUID)) {
 502                 gboolean ret = FALSE;
 503
 504                 ret = __a2dp_authorize_request_check();
 505
 506                 if (ret) {
 507                         BT_ERR("Already one A2DP device connected \n");
 508                         gap_agent_reply_authorize(agent, GAP_AGENT_REJECT,
 509                                               NULL);
 510                         goto done;
 511                 }
 512         }
 513         /* Check completed */
 514
 515         if (!strcasecmp(uuid, HFP_AUDIO_GATEWAY_UUID) ||
 516              !strcasecmp(uuid, HSP_AUDIO_GATEWAY_UUID) ||
 517              !strcasecmp(uuid, HFP_HS_UUID) ||
 518              !strcasecmp(uuid, HSP_HS_UUID) ||
 519              !strcasecmp(uuid, A2DP_UUID) ||
 520              !strcasecmp(uuid, HID_UUID) ||
 521              !strcasecmp(uuid, HID_DEVICE_UUID) ||
 522              !strcasecmp(uuid, SAP_UUID_OLD) ||
 523              !strcasecmp(uuid, SAP_UUID_NEW) ||
 524              !strcasecmp(uuid, IOTIVITY_UUID) ||
 525              !strcasecmp(uuid, AVRCP_TARGET_UUID)) {
 526                 BT_DBG("Auto accept authorization for audio device (HFP, A2DP, AVRCP) [%s]", uuid);
 527                 gap_agent_reply_authorize(agent, GAP_AGENT_ACCEPT,
 528                                               NULL);
 529
 530                 goto done;
 531         }
 532
 533         if (!strcasecmp(uuid, NAP_UUID) ||
 534              !strcasecmp(uuid, GN_UUID) ||
 535               !strcasecmp(uuid, BNEP_UUID)) {
 536
 537                 BT_DBG("Network connection request: %s", uuid);
 538                 if (TIZEN_FEATURE_NETWORK_TETHERING_ENABLE) {
 539                         if (nap_connected_device_count >=
 540                                                 BT_PAN_MAX_CONNECTION) {
 541                                 BT_ERR("Max connection exceeded");
 542                                 goto fail;
 543                         }
 544
 545                         if (headed_plugin_info->plugin_headed_enabled) {
 546                                 if (headed_plugin_info->headed_plugin->bt_is_tethering_enabled() == FALSE) {
 547                                         BT_ERR("BT tethering is not enabled");
 548                                         goto fail;
 549                                 }
 550                         }
 551                 }
 552
 553                 gap_agent_reply_authorize(agent, GAP_AGENT_ACCEPT,
 554                                               NULL);
 555                 goto done;
 556 fail:
 557                 gap_agent_reply_authorize(agent, GAP_AGENT_REJECT,
 558                       NULL);
 559
 560                 goto done;
 561         }
 562
 563         reply_temp = __bt_service_getall(device, BT_DEVICE_INTERFACE);
 564         if (reply_temp == NULL) {
 565                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "",
 566                                              NULL);
 567                 goto done;
 568         }
 569
 570         g_variant_get(reply_temp, "(@a{sv})", &reply); /* Format of reply a{sv}*/
 571
 572         tmp_value = g_variant_lookup_value(reply, "Address", G_VARIANT_TYPE_STRING);
 573         g_variant_get(tmp_value, "s", &address);
 574         G_VARIANT_UNREF(tmp_value);
 575         if (!address) {
 576                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "", NULL);
 577                 goto done;
 578         }
 579
 580         tmp_value = g_variant_lookup_value(reply, "Alias", G_VARIANT_TYPE_STRING);
 581         g_variant_get(tmp_value, "s", &name);
 582         G_VARIANT_UNREF(tmp_value);
 583         if (!name)
 584                 name = g_strdup(address);
 585
 586         tmp_value = g_variant_lookup_value(reply, "Trusted", G_VARIANT_TYPE_BOOLEAN);
 587         g_variant_get(tmp_value, "b", &trust);
 588         G_VARIANT_UNREF(tmp_value);
 589
 590         __bt_get_auth_info(reply, (char *)auth_info);
 591
 592         BT_INFO("Authorization request for device [%s] Service:[%s]\n", address, uuid);
 593
 594         if (strcasecmp(uuid, OPP_UUID) == 0 &&
 595              _gap_agent_exist_osp_server(agent, BT_OBEX_SERVER,
 596                                         NULL) == TRUE) {
 597                 _bt_send_event(BT_OPP_SERVER_EVENT,
 598                                 BLUETOOTH_EVENT_OBEX_SERVER_CONNECTION_AUTHORIZE,
 599                                 g_variant_new("(iss)", result, address, name));
 600
 601                 goto done;
 602         }
 603         /* TODO: MAP? see above */
 604
 605         if (_gap_agent_exist_osp_server(agent, BT_RFCOMM_SERVER,
 606                                         (char *)uuid) == TRUE) {
 607                 bt_agent_osp_server_t *osp_serv;
 608                 osp_serv = _gap_agent_get_osp_server(agent,
 609                                                 BT_RFCOMM_SERVER, (char *)uuid);
 610
 611                 if (osp_serv) {
 612                         _bt_send_event(BT_RFCOMM_SERVER_EVENT,
 613                                 BLUETOOTH_EVENT_RFCOMM_AUTHORIZE,
 614                                 g_variant_new("(issssn)", result, address, uuid,
 615                                                 name, osp_serv->path, osp_serv->fd));
 616                 }
 617
 618                 goto done;
 619         }
 620
 621         if (!strcasecmp(uuid, OPP_UUID))
 622                 request_type = BT_AGENT_EVENT_EXCHANGE_REQUEST;
 623         else if (!strcasecmp(uuid, PBAP_UUID))
 624                 request_type = BT_AGENT_EVENT_PBAP_REQUEST;
 625         else if (!strcasecmp(uuid, MAP_UUID))
 626                 request_type = BT_AGENT_EVENT_MAP_REQUEST;
 627         /* TODO: MAP is already here */
 628
 629         if (trust || !headed_plugin_info->plugin_headed_enabled) {
 630                 BT_INFO("Trusted or Headless device, so authorize\n");
 631                 gap_agent_reply_authorize(agent,
 632                                 GAP_AGENT_ACCEPT, NULL);
 633
 634                 goto done;
 635         }
 636
 637         if (headed_plugin_info->plugin_headed_enabled) {
 638                 headed_plugin_info->headed_plugin->bt_launch_system_popup(request_type, name, auth_info, NULL, NULL,
 639                                         _gap_agent_get_path(agent));
 640         }
 641
 642 done:
 643         if (reply)
 644                 g_variant_unref(reply);
 645
 646         if (reply_temp)
 647                 g_variant_unref(reply_temp);
 648
 649         g_free(name);
 650         g_free(address);
 651         __bt_agent_release_memory();
 652         BT_DBG("-");
 653
 654         return TRUE;
 655 }
 656
 657 static gboolean __authorization_cancel_request(GapAgentPrivate *agent,
 658                                                         const char *address)
 659 {
 660         BT_DBG("On Going Authorization is cancelled by remote\n");
 661
 662         gap_agent_reply_authorize(agent, GAP_AGENT_CANCEL, NULL);
 663
 664         if (headed_plugin_info->plugin_headed_enabled)
 665                 headed_plugin_info->headed_plugin->bt_destroy_popup_all();
 666
 667         __bt_agent_release_memory();
 668
 669         return TRUE;
 670 }
 671
 672 void _bt_destroy_agent(void *agent)
 673 {
 674         if (!agent)
 675                 return;
 676
 677         _gap_agent_reset_dbus((GapAgentPrivate *)agent);
 678
 679         g_free(agent);
 680 }
 681
 682 void* _bt_create_agent(const char *path, gboolean adapter)
 683 {
 684         GAP_AGENT_FUNC_CB func_cb;
 685         GDBusProxy *adapter_proxy;
 686         GapAgentPrivate *agent;
 687
 688         adapter_proxy = _bt_get_adapter_proxy();
 689         if (!adapter_proxy)
 690                 return NULL;
 691
 692         func_cb.pincode_func = __pincode_request;
 693         func_cb.display_func = __display_request;
 694         func_cb.passkey_func = __passkey_request;
 695         func_cb.confirm_func = __confirm_request;
 696         func_cb.authorize_func = __authorize_request;
 697         func_cb.pairing_cancel_func = __pairing_cancel_request;
 698         func_cb.authorization_cancel_func = __authorization_cancel_request;
 699
 700         /* Allocate memory*/
 701         agent = g_new0(GapAgentPrivate, 1);
 702
 703         _gap_agent_setup_dbus(agent, &func_cb, path, adapter_proxy);
 704
 705         if (adapter) {
 706                 if (!_gap_agent_register(agent)) {
 707                         _bt_destroy_agent(agent);
 708                         agent = NULL;
 709                 }
 710         }
 711
 712         return agent;
 713 }
 714
 715 gboolean _bt_agent_register_osp_server(const gint type,
 716                 const char *uuid, char *path, int fd)
 717 {
 718         void *agent = _bt_get_adapter_agent();
 719         if (!agent)
 720                 return FALSE;
 721
 722         return _gap_agent_register_osp_server(agent, type, uuid, path, fd);
 723
 724 }
 725
 726 gboolean _bt_agent_unregister_osp_server(const gint type, const char *uuid)
 727 {
 728         void *agent = _bt_get_adapter_agent();
 729
 730         if (!agent)
 731                 return FALSE;
 732
 733         return _gap_agent_unregister_osp_server(agent, type, uuid);
 734 }
 735
 736 gboolean _bt_agent_reply_authorize(gboolean accept)
 737 {
 738         guint accept_val;
 739
 740         void *agent = _bt_get_adapter_agent();
 741         if (!agent)
 742                 return FALSE;
 743
 744         accept_val = accept ? GAP_AGENT_ACCEPT : GAP_AGENT_REJECT;
 745
 746         return gap_agent_reply_authorize(agent, accept_val, NULL);
 747 }
 748
 749 gboolean _bt_agent_is_canceled(void)
 750 {
 751         void *agent = _bt_get_adapter_agent();
 752         if (!agent)
 753                 return FALSE;
 754
 755         return _gap_agent_is_canceled(agent);
 756 }
 757
 758 void _bt_agent_set_canceled(gboolean value)
 759 {
 760         void *agent = _bt_get_adapter_agent();
 761         if (!agent)
 762                 return;
 763
 764         return _gap_agent_set_canceled(agent, value);
 765 }
 766
 767 int _bt_agent_reply_cancellation(void)
 768 {
 769         void *agent = _bt_get_adapter_agent();
 770
 771         if (!agent)
 772                 return BLUETOOTH_ERROR_INTERNAL;
 773
 774         if (gap_agent_reply_confirmation(agent, GAP_AGENT_CANCEL, NULL) != TRUE) {
 775                 BT_ERR("Fail to reply agent");
 776                 return BLUETOOTH_ERROR_INTERNAL;
 777         }
 778
 779         return BLUETOOTH_ERROR_NONE;
 780 }
 781
 782 static gboolean __bt_agent_is_hid_keyboard(uint32_t dev_class)
 783 {
 784         switch ((dev_class & 0x1f00) >> 8) {
 785         case 0x05:
 786                 switch ((dev_class & 0xc0) >> 6) {
 787                 case 0x01:
 788                         /* input-keyboard" */
 789                         return TRUE;
 790                 }
 791                 break;
 792         }
 793
 794         return FALSE;
 795 }
 796
 797 static gboolean __bt_agent_find_device_by_address_exactname(char *buffer,
 798                                                         const char *address)
 799 {
 800         char *pch;
 801         char *last;
 802
 803         pch = strtok_r(buffer, "= ,", &last);
 804
 805         if (pch == NULL)
 806                 return FALSE;
 807
 808         while ((pch = strtok_r(NULL, ",", &last))) {
 809                 if (0 == g_strcmp0(pch, address)) {
 810                         BT_DBG("Match found\n");
 811                         return TRUE;
 812                 }
 813         }
 814         return FALSE;
 815 }
 816
 817 static gboolean __bt_agent_find_device_by_partial_name(char *buffer,
 818                                                 const char *partial_name)
 819 {
 820         char *pch;
 821         char *last;
 822
 823         pch = strtok_r(buffer, "= ,", &last);
 824
 825         if (pch == NULL)
 826                 return FALSE;
 827
 828         while ((pch = strtok_r(NULL, ",", &last))) {
 829                 if (g_str_has_prefix(partial_name, pch)) {
 830                         BT_DBG("Match found\n");
 831                         return TRUE;
 832                 }
 833         }
 834         return FALSE;
 835 }
 836
 837 static gboolean __bt_agent_is_device_blacklist(const char *address,
 838                                                         const char *name)
 839 {
 840         char *buffer;
 841         char **lines;
 842         int i;
 843         FILE *fp;
 844         long size;
 845         size_t result;
 846
 847         BT_DBG("+");
 848
 849         fp = fopen(BT_AGENT_AUTO_PAIR_BLACKLIST_FILE, "r");
 850
 851         if (fp == NULL) {
 852                 BT_ERR("Unable to open blacklist file");
 853                 return FALSE;
 854         }
 855
 856         fseek(fp, 0, SEEK_END);
 857         size = ftell(fp);
 858         if (size <= 0) {
 859                 BT_DBG("size is not a positive number");
 860                 fclose(fp);
 861                 return FALSE;
 862         }
 863
 864         rewind(fp);
 865
 866         buffer = g_malloc0(sizeof(char) * size);
 867         result = fread((char *)buffer, 1, size, fp);
 868         fclose(fp);
 869         if (result != size) {
 870                 BT_ERR("Read Error");
 871                 g_free(buffer);
 872                 return FALSE;
 873         }
 874
 875         BT_DBG("Buffer = %s", buffer);
 876
 877         lines = g_strsplit_set(buffer, BT_AGENT_NEW_LINE, 0);
 878         g_free(buffer);
 879
 880         if (lines == NULL) {
 881                 BT_ERR("No lines in the file");
 882                 return FALSE;
 883         }
 884
 885         for (i = 0; lines[i] != NULL; i++) {
 886                 if (g_str_has_prefix(lines[i], "AddressBlacklist"))
 887                         if (__bt_agent_find_device_by_address_exactname(
 888                                                 lines[i], address))
 889                                 goto done;
 890                 if (g_str_has_prefix(lines[i], "ExactNameBlacklist"))
 891                         if (__bt_agent_find_device_by_address_exactname(
 892                                                 lines[i], name))
 893                                 goto done;
 894                 if (g_str_has_prefix(lines[i], "PartialNameBlacklist"))
 895                         if (__bt_agent_find_device_by_partial_name(lines[i],
 896                                                                 name))
 897                                 goto done;
 898                 if (g_str_has_prefix(lines[i], "KeyboardAutoPair"))
 899                         if (__bt_agent_find_device_by_address_exactname(
 900                                                 lines[i], address))
 901                                 goto done;
 902         }
 903         g_strfreev(lines);
 904         BT_DBG("-");
 905         return FALSE;
 906 done:
 907         BT_DBG("Found the device");
 908         g_strfreev(lines);
 909         return TRUE;
 910 }
 911
 912 static gboolean __bt_agent_is_auto_response(uint32_t dev_class,
 913                                 const gchar *address, const gchar *name)
 914 {
 915         gboolean is_headset = FALSE;
 916         gboolean is_mouse = FALSE;
 917         char lap_address[BT_LOWER_ADDRESS_LENGTH];
 918
 919         BT_DBG("bt_agent_is_headset_class, %d +", dev_class);
 920
 921         if (address == NULL)
 922                 return FALSE;
 923
 924         switch ((dev_class & 0x1f00) >> 8) {
 925         case 0x04:
 926                 switch ((dev_class & 0xfc) >> 2) {
 927                 case 0x01:
 928                 case 0x02:
 929                         /* Headset */
 930                         is_headset = TRUE;
 931                         break;
 932                 case 0x06:
 933                         /* Headphone */
 934                         is_headset = TRUE;
 935                         break;
 936                 case 0x0b:      /* VCR */
 937                 case 0x0c:      /* Video Camera */
 938                 case 0x0d:      /* Camcorder */
 939                         break;
 940                 default:
 941                         /* Other audio device */
 942                         is_headset = TRUE;
 943                         break;
 944                 }
 945                 break;
 946         case 0x05:
 947                 switch (dev_class & 0xff) {
 948                 case 0x80:  /* 0x80: Pointing device(Mouse) */
 949                         is_mouse = TRUE;
 950                         break;
 951
 952                 case 0x40: /* 0x40: input device (BT keyboard) */
 953
 954                         /* Get the LAP(Lower Address part) */
 955                         g_strlcpy(lap_address, address, sizeof(lap_address));
 956
 957                         /* Need to Auto pair the blacklisted Keyboard */
 958                         if (__bt_agent_is_device_blacklist(lap_address, name) != TRUE) {
 959                                 BT_DBG("Device is not black listed\n");
 960                                 return FALSE;
 961                         } else {
 962                                 BT_ERR("Device is black listed\n");
 963                                 return TRUE;
 964                         }
 965                 }
 966         }
 967
 968         if ((!is_headset) && (!is_mouse))
 969                 return FALSE;
 970
 971         /* Get the LAP(Lower Address part) */
 972         g_strlcpy(lap_address, address, sizeof(lap_address));
 973
 974         BT_DBG("Device address = %s\n", address);
 975         BT_DBG("Address 3 byte = %s\n", lap_address);
 976
 977         if (__bt_agent_is_device_blacklist(lap_address, name)) {
 978                 BT_ERR("Device is black listed\n");
 979                 return FALSE;
 980         }
 981
 982         return TRUE;
 983 }
 984
 985 static int __bt_agent_generate_passkey(char *passkey, int size)
 986 {
 987         int i;
 988         ssize_t len;
 989         int random_fd;
 990         unsigned int value = 0;
 991
 992         if (passkey == NULL)
 993                 return -1;
 994
 995         if (size <= 0)
 996                 return -1;
 997
 998         random_fd = open("/dev/urandom", O_RDONLY);
 999
1000         if (random_fd < 0)
1001                 return -1;
1002
1003         for (i = 0; i < size; i++) {
1004                 len = read(random_fd, &value, sizeof(value));
1005                 if (len > 0)
1006                         passkey[i] = '0' + (value % 10);
1007         }
1008
1009         close(random_fd);
1010
1011         BT_DBG("passkey: %s", passkey);
1012
1013         return 0;
1014 }
1015
1016 int _bt_set_passkey_notification(const char *sender, gboolean enable)
1017 {
1018         BT_INFO("Set passkey notification(sender:%s, %s)",
1019                         sender, enable ? "Enable" : "Disable");
1020
1021         g_free(passkey_watcher);
1022         if (enable == TRUE)
1023                 passkey_watcher = g_strdup(sender);
1024         else
1025                 passkey_watcher = NULL;
1026
1027         return BLUETOOTH_ERROR_NONE;
1028 }