bt-oal/bluez_hal/src/bt-hal-agent.c

   1 /*
   2  * BLUETOOTH HAL
   3  *
   4  * Copyright (c) 2015 - 2016 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Contact:  Anupam Roy <anupam.r@samsung.com>
   7  *
   8  * Licensed under the Apache License, Version 2.0 (the "License");
   9  * you may not use this file except in compliance with the License.
  10  * You may obtain a copy of the License at
  11  *
  12  *              http://www.apache.org/licenses/LICENSE-2.0
  13  *
  14  * Unless required by applicable law or agreed to in writing, software
  15  * distributed under the License is distributed on an "AS IS" BASIS,
  16  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  17  * See the License for the specific language governing permissions and
  18  * limitations under the License.
  19  *
  20  */
  21
  22 #include <unistd.h>
  23 #include <fcntl.h>
  24 #include <string.h>
  25 #include <malloc.h>
  26
  27 #include <vconf.h>
  28 #include <bundle.h>
  29 #include <bundle_internal.h>
  30 #include <eventsystem.h>
  31
  32 #include <glib.h>
  33 #include <gio/gio.h>
  34 #include <dlog.h>
  35 #include <vconf.h>
  36
  37 #include <stdio.h>
  38 #include <unistd.h>
  39 #include <string.h>
  40 #include <sys/mman.h>
  41
  42 /* BT HAL Headers */
  43 #include "bt-hal.h"
  44 #include "bt-hal-log.h"
  45 #include "bt-hal-msg.h"
  46 #include "bt-hal-internal.h"
  47 #include "bt-hal-utils.h"
  48 #include "bt-hal-event-receiver.h"
  49 #include "bt-hal-dbus-common-utils.h"
  50
  51 #include "bt-hal-adapter-dbus-handler.h"
  52 #include "bt-hal-rfcomm-dbus-handler.h"
  53 #include "bt-hal-event-receiver.h"
  54
  55 #include <bt-hal-agent.h>
  56 #include <bt-hal-gap-agent.h>
  57 #include <bt-hal-dbus-common-utils.h>
  58
  59 /* TODO_40 : 4.0 merge  */
  60 #include "bt-internal-types.h"
  61
  62 #define BT_HAL_AGENT_AUTO_PAIR_BLACKLIST_FILE (APP_SYSCONFDIR"/auto-pair-blacklist")
  63 #define BT_HAL_AGENT_NEW_LINE "\r\n"
  64 #define BUF_SIZE                256
  65 #define PAGE_SIZE               (1 << 12)
  66 #define _ALIGN_UP(addr, size)    (((addr)+((size)-1))&(~((size)-1)))
  67 #define _ALIGN_DOWN(addr, size) ((addr)&(~((size)-1)))
  68 #define PAGE_ALIGN(addr)        _ALIGN_DOWN(addr, PAGE_SIZE)
  69 #define BT_HAL_PIN_MAX_LENGTH 16
  70 #define BT_HAL_PASSKEY_MAX_LENGTH 4
  71 #define BT_HAL_LOWER_ADDRESS_LENGTH 9
  72 #define BT_HAL_AGENT_SYSPOPUP_TIMEOUT_FOR_MULTIPLE_POPUPS 200
  73 #define BT_HAL_AGENT_SYSPOPUP_MAX_ATTEMPT 3
  74
  75 #define G_VARIANT_UNREF(variant) \
  76         g_variant_unref(variant); \
  77         variant = NULL
  78 #define BT_HAL_MAX_EVENT_STR_LENGTH 50
  79
  80 static void *adapter_agent = NULL;
  81 static gboolean passkey_display_notification = FALSE;
  82 static gboolean passkey_confirm_notification = FALSE;
  83 static gboolean passkey_notification = FALSE;
  84 static gboolean pincode_notification = FALSE;
  85
  86 /* Forward delcaration */
  87 static void __bt_hal_send_pin_request_event(const gchar *address, const gchar *name,
  88                 uint32_t cod);
  89 static gboolean __bt_hal_pincode_request(GapAgentPrivate *agent, GDBusProxy *device);
  90 static gboolean __bt_hal_display_request(GapAgentPrivate *agent, GDBusProxy *device,
  91                 guint passkey);
  92 static gboolean __bt_hal_passkey_request(GapAgentPrivate *agent, GDBusProxy *device);
  93 static gboolean __bt_hal_confirm_request(GapAgentPrivate *agent, GDBusProxy *device,
  94                 guint passkey);
  95 static gboolean __bt_hal_authorize_request(GapAgentPrivate *agent, GDBusProxy *device,
  96                                                                 const char *uuid);
  97 static gboolean __bt_hal_authorize_cancel_request(GapAgentPrivate *agent, const char *address);
  98 static gboolean __bt_hal_pairing_cancel_request(GapAgentPrivate *agent, const char *address);
  99 static GVariant *__bt_hal_service_getall(GDBusProxy *device, const char *interface);
 100 static void __bt_hal_agent_release_memory(void);
 101 static inline void stack_trim(void);
 102
 103 static gboolean __bt_hal_device_is_hid_keyboard(unsigned int dev_class);
 104 static gboolean __bt_hal_is_hid_device_connectable(void);
 105 static int __bt_hal_device_generate_passkey(char *passkey, int size);
 106 static gboolean __bt_hal_device_is_auto_response(uint32_t dev_class,
 107                 const gchar *address, const gchar *name);
 108 static gboolean __bt_hal_device_is_device_blacklisted(const char *address, const char *name);
 109 static gboolean __bt_hal_find_device_by_address_exactname(char *buffer,
 110                 const char *address);
 111 static gboolean __bt_hal_find_device_by_partial_name(char *buffer,
 112                 const char *partial_name);
 113 static void __bt_hal_send_ssp_request_events(const gchar *address, const gchar *name,
 114                 guint passkey, uint32_t cod, unsigned char variant);
 115 static void __bt_hal_send_authorize_request_event(const gchar *address, const char *uuid);
 116
 117 void* _bt_hal_create_agent(const char *path, gboolean adapter)
 118 {
 119         GAP_AGENT_FUNC_CB func_cb;
 120         GDBusProxy *adapter_proxy;
 121         GapAgentPrivate *agent;
 122
 123         DBG("+");
 124         adapter_proxy = _bt_hal_get_adapter_proxy();
 125         if (!adapter_proxy)
 126                 return NULL;
 127
 128         func_cb.pincode_func = __bt_hal_pincode_request;
 129         func_cb.display_func = __bt_hal_display_request;
 130         func_cb.passkey_func = __bt_hal_passkey_request;
 131         func_cb.confirm_func = __bt_hal_confirm_request;
 132         func_cb.authorize_func = __bt_hal_authorize_request;
 133         func_cb.pairing_cancel_func = __bt_hal_pairing_cancel_request;
 134         func_cb.authorization_cancel_func = __bt_hal_authorize_cancel_request;
 135
 136         /* Allocate memory*/
 137         agent = g_new0(GapAgentPrivate, 1);
 138
 139         _gap_agent_setup_dbus(agent, &func_cb, path, adapter_proxy);
 140
 141         if (adapter) {
 142                 if (!_gap_agent_register(agent)) {
 143                         ERR("gap agent registration failed!");
 144                         _bt_hal_destroy_agent(agent);
 145                         agent = NULL;
 146                 }
 147         }
 148         DBG("-");
 149         return agent;
 150 }
 151
 152 void _bt_hal_destroy_agent(void *agent)
 153 {
 154         DBG("+");
 155         if (!agent)
 156                 return;
 157
 158         _gap_agent_reset_dbus((GapAgentPrivate *)agent);
 159
 160         g_free(agent);
 161         DBG("-");
 162 }
 163
 164 gboolean _bt_hal_agent_is_canceled(void)
 165 {
 166         void *agent = _bt_hal_get_adapter_agent();
 167         if (!agent)
 168                 return FALSE;
 169
 170         return _gap_agent_is_canceled(agent);
 171 }
 172
 173 int _bt_hal_agent_reply_cancellation(void)
 174 {
 175         void *agent = _bt_hal_get_adapter_agent();
 176         if (!agent)
 177                 return BT_STATUS_FAIL;
 178
 179         if (gap_agent_reply_confirmation(agent, GAP_AGENT_CANCEL, NULL) != TRUE) {
 180                 ERR("Fail to reply agent");
 181                 return BT_STATUS_FAIL;
 182         }
 183         DBG("gap agent cancellation done successfully!");
 184         return BT_STATUS_SUCCESS;
 185
 186 }
 187
 188 void _bt_hal_agent_set_canceled(gboolean value)
 189 {
 190         void *agent = _bt_hal_get_adapter_agent();
 191         if (!agent)
 192                 return;
 193
 194         return _gap_agent_set_canceled(agent, value);
 195 }
 196
 197 void _bt_hal_initialize_adapter_agent(void)
 198 {
 199         if (adapter_agent) {
 200                 ERR("Adapter agent already exist!");
 201                 return;
 202         }
 203
 204         adapter_agent = _bt_hal_create_agent(BT_HAL_ADAPTER_AGENT_PATH, TRUE);
 205         if (!adapter_agent) {
 206                 ERR("Fail to register agent");
 207                 return;
 208         }
 209 }
 210
 211 void _bt_hal_destroy_adapter_agent(void)
 212 {
 213         if (adapter_agent)
 214                 _bt_hal_destroy_agent(adapter_agent);
 215         adapter_agent = NULL;
 216 }
 217
 218 void* _bt_hal_get_adapter_agent(void)
 219 {
 220         return adapter_agent;
 221 }
 222
 223 void _bt_hal_enable_gap_auth_notifications(unsigned int type, gboolean enable)
 224 {
 225         INFO("type: %d, enable: %d", type, enable);
 226
 227         switch (type) {
 228         case BT_PASSKEY_CONFIRMATION:
 229                 /* Note: Currently not used for notification sending, should be used when required */
 230                 passkey_confirm_notification = enable;
 231                 break;
 232         case BT_PASSKEY_DISPLAY:
 233                 passkey_display_notification = enable;
 234                 break;
 235         case BT_PASSKEY_ENTRY:
 236                 /* Note: Currently not used for notification sending, should be used when required */
 237                 passkey_notification = enable;
 238                 break;
 239         case BT_PINCODE_ENTRY:
 240                 pincode_notification = enable;
 241                 break;
 242         default:
 243                 ERR("Unknown type: %d", type);
 244         }
 245 }
 246
 247 static void __bt_hal_send_authorize_request_event(const gchar *address, const char *uuid)
 248 {
 249         struct hal_ev_authorize_request ev;
 250         memset(&ev, 0, sizeof(ev));
 251
 252         DBG("Remote Device address [%s]", address);
 253
 254         _bt_hal_convert_addr_string_to_type(ev.bdaddr, address);
 255
 256         /* UUID received in authorization request (In case of HFP unit, UUID received from Bluez
 257            would be of that of Audio Gateway UUID (0x111f) */
 258         ev.service_id = _bt_convert_uuid_string_to_service_id(uuid);
 259
 260         handle_stack_msg event_cb = _bt_hal_get_stack_message_handler();
 261         if (event_cb) {
 262                 event_cb(HAL_EV_AUTHORIZE_REQUEST, (void*)&ev, sizeof(ev));
 263         }
 264 }
 265
 266 #ifdef TIZEN_BT_HAL
 267 static void __bt_hal_send_rfcomm_authorize_request_event(const gchar *address, const char *uuid, const char *name, char *path, int fd)
 268 {
 269         struct hal_ev_sock_conn_auth ev;
 270
 271         DBG("Remote Device address [%s], uuid: %s", address, uuid);
 272
 273         memset(&ev, 0, sizeof(ev));
 274         _bt_hal_convert_addr_string_to_type(ev.bdaddr, address);
 275         _bt_hal_convert_uuid_string_to_type(ev.uuid, uuid);
 276
 277         if (name)
 278                 g_strlcpy((char *)ev.name, name, BT_HAL_DEVICE_NAME_LENGTH_MAX);
 279
 280         if (path)
 281                 g_strlcpy((char *)ev.path, path, BT_HAL_PATH_NAME_LENGTH_MAX);
 282
 283         ev.fd = fd;
 284
 285         handle_stack_msg event_cb = _bt_hal_get_stack_message_handler();
 286         if (event_cb) {
 287                 event_cb(HAL_EV_SOCK_AUTHORIZE_REQUEST, (void*)&ev, sizeof(ev));
 288         }
 289 }
 290 #endif
 291
 292 /* Legacy Pairing */
 293 static void __bt_hal_send_pin_request_event(const gchar *address, const gchar *name,
 294                 uint32_t cod)
 295 {
 296         struct hal_ev_pin_request ev;
 297         memset(&ev, 0, sizeof(ev));
 298
 299         DBG("Remote Device address [%s]", address);
 300         DBG("Remote Device Name [%s]", name);
 301         DBG("Remote Device COD [%u]", cod);
 302
 303         _bt_hal_convert_addr_string_to_type(ev.bdaddr, address);
 304
 305         memcpy(ev.name, name, strlen(name)+1);
 306         ev.class_of_dev = cod;
 307
 308         handle_stack_msg event_cb = _bt_hal_get_stack_message_handler();
 309         if (event_cb) {
 310                 DBG("Sending PIN REQUEST");
 311                 event_cb(HAL_EV_PIN_REQUEST, (void*)&ev, sizeof(ev));
 312         }
 313
 314         DBG("-");
 315 }
 316
 317
 318 void __bt_hal_get_auth_info(GVariant *reply, char *auth_info)
 319 {
 320         int cursor;
 321         GVariant *tmp_value;
 322         char *manufacturer_data = NULL;
 323         int manufacturer_data_len;
 324         gboolean is_alias_set;
 325         GVariantIter *value_iter;
 326         guint8 m_value;
 327         int i = 0;
 328
 329         tmp_value = g_variant_lookup_value(reply, "IsAliasSet",
 330                                                                 G_VARIANT_TYPE_BOOLEAN);
 331         if (tmp_value) {
 332                 is_alias_set = g_variant_get_boolean(tmp_value);
 333                 g_variant_unref(tmp_value);
 334         } else {
 335                 is_alias_set = FALSE;
 336         }
 337         if (is_alias_set == FALSE) {
 338                 tmp_value = g_variant_lookup_value(reply, "LagacyManufacturerDataLen",
 339                                                                 G_VARIANT_TYPE_UINT16);
 340                 if (tmp_value) {
 341                         manufacturer_data_len = g_variant_get_uint16(tmp_value);
 342                         if (manufacturer_data_len >
 343                                         MAX_MANUFACTURE_LEN) {
 344                                 ERR("manufacturer_data_len is too long");
 345                                 manufacturer_data_len = MAX_MANUFACTURE_LEN;
 346                         }
 347                         g_variant_unref(tmp_value);
 348                 } else
 349                         manufacturer_data_len = 0;
 350
 351                 tmp_value = g_variant_lookup_value(reply, "LagacyManufacturerData",
 352                                                                 G_VARIANT_TYPE_ARRAY);
 353                 if (tmp_value) {
 354                         if ((manufacturer_data_len == 0) ||
 355                                         manufacturer_data_len != g_variant_get_size(tmp_value)) {
 356                                 ERR("manufacturer data length doesn't match");
 357                                 manufacturer_data_len = 0;
 358                                 manufacturer_data = NULL;
 359                         } else {
 360                                 manufacturer_data = g_malloc0(manufacturer_data_len);
 361                                 g_variant_get(tmp_value, "ay", &value_iter);
 362                                 while (g_variant_iter_loop(value_iter, "y", &m_value))
 363                                         manufacturer_data[i++] = m_value;
 364
 365                                 g_variant_iter_free(value_iter);
 366                         }
 367                         g_variant_unref(tmp_value);
 368                 } else {
 369                         INFO("manufacture data is not a G_VARIANT_TYPE_ARRAY ");
 370                         manufacturer_data_len = 0;
 371                         manufacturer_data = NULL;
 372                 }
 373                 /*minimum Size of the samsung specific manufacturer data is greater than 30 */
 374                 if (manufacturer_data_len < 30) {
 375                         g_free(manufacturer_data);
 376                         return;
 377                 }
 378                 if (manufacturer_data[0] != 0x00 || manufacturer_data[1] != 0x75) {
 379                         DBG("This is not a samsung specific manufaturer data");
 380                         g_free(manufacturer_data);
 381                         return;
 382                 }
 383
 384                 /* 2  samsung (0x00 0x75) + 1 (control and version) + 1 (service ID) +
 385                 1 (discovery version) + 1 (associated service ID)
 386                 2 (Proxamity and locality) + 2 (Device type and icon) */
 387
 388                 cursor = 10;
 389
 390                 memcpy(auth_info, &(manufacturer_data[cursor]), 5);
 391         }
 392          g_free(manufacturer_data);
 393 }
 394
 395 static gboolean __bt_hal_pincode_request(GapAgentPrivate *agent, GDBusProxy *device)
 396 {
 397         uint32_t device_class;
 398         gchar *address = NULL;
 399         unsigned char auth_info[5] = {0, };
 400         gchar *name = NULL;
 401         GVariant *reply = NULL;
 402         GVariant *reply_temp = NULL;
 403         GVariant *tmp_value = NULL;
 404         DBG("+");
 405
 406         reply_temp = __bt_hal_service_getall(device, BT_HAL_DEVICE_INTERFACE);
 407
 408         if (reply_temp == NULL) {
 409                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "",
 410                                 NULL);
 411                 goto done;
 412         }
 413
 414         g_variant_get(reply_temp, "(@a{sv})", &reply); /* Format of reply a{sv}*/
 415
 416         tmp_value = g_variant_lookup_value(reply, "Class", G_VARIANT_TYPE_UINT32);
 417         g_variant_get(tmp_value, "u", &device_class);
 418         G_VARIANT_UNREF(tmp_value);
 419
 420         tmp_value = g_variant_lookup_value(reply, "Address", G_VARIANT_TYPE_STRING);
 421         g_variant_get(tmp_value, "s", &address);
 422         G_VARIANT_UNREF(tmp_value);
 423
 424         tmp_value = g_variant_lookup_value(reply, "Name", G_VARIANT_TYPE_STRING);
 425         g_variant_get(tmp_value, "s", &name);
 426         G_VARIANT_UNREF(tmp_value);
 427
 428         if (!name)
 429                 name = g_strdup(address);
 430
 431         if (headed_plugin_info->plugin_headed_enabled) {
 432                 __bt_hal_get_auth_info(reply, (char *)auth_info);
 433                 if (__bt_hal_device_is_hid_keyboard(device_class)) {
 434                         char str_passkey[BT_HAL_PASSKEY_MAX_LENGTH + 1] = { 0 };
 435
 436                         DBG("Device is HID Keyboard");
 437                         if (__bt_hal_device_generate_passkey(str_passkey,
 438                                                 BT_HAL_PASSKEY_MAX_LENGTH) != 0) {
 439                                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT,
 440                                                 "", NULL);
 441                                 goto done;
 442                         }
 443
 444                         gap_agent_reply_pin_code(agent, GAP_AGENT_ACCEPT,
 445                                         str_passkey, NULL);
 446
 447                         DBG("Launch BT Syspopup");
 448                         headed_plugin_info->headed_plugin->bt_launch_system_popup(
 449                                         BT_HAL_AGENT_EVENT_KEYBOARD_PASSKEY_REQUEST, name,
 450                                         address, auth_info, str_passkey, NULL, _gap_agent_get_path(agent));
 451                 } else if (__bt_hal_device_is_auto_response(device_class, address, name)) {
 452                         DBG("Device is of Type Auto response, send event to HAL");
 453                         __bt_hal_send_pin_request_event(address, name, device_class);
 454                 } else if (pincode_notification) {
 455                         DBG("pincode_notification is enabled, send event to HAL");
 456                         __bt_hal_send_pin_request_event(address, name, device_class);
 457                 } else {
 458                         DBG("Device is not of Auto response class, Show PIN Entry");
 459                         headed_plugin_info->headed_plugin->bt_launch_system_popup(
 460                                         BT_HAL_AGENT_EVENT_PIN_REQUEST, name, address,
 461                                         auth_info, NULL, NULL, _gap_agent_get_path(agent));
 462                 }
 463         } else {
 464                 INFO("Plugin Headed not Enabled");
 465                 __bt_hal_send_pin_request_event(address, name, device_class);
 466         }
 467
 468 done:
 469         g_free(name);
 470         g_free(address);
 471         g_variant_unref(reply);
 472         g_variant_unref(reply_temp);
 473         __bt_hal_agent_release_memory();
 474         DBG("-");
 475
 476         return TRUE;
 477 }
 478
 479
 480 /* BT_SSP_VARIANT_PASSKEY_CONFIRMATION */
 481 /* BT_SSP_VARIANT_PASSKEY_NOTIFICATION */
 482 /* BT_SSP_VARIANT_PASSKEY_ENTRY */
 483 /* BT_SSP_VARIANT_CONSENT */
 484
 485 static void __bt_hal_send_ssp_request_events(const gchar *address,
 486                 const gchar *name,
 487                 guint passkey,
 488                 uint32_t cod,
 489                 unsigned char variant)
 490 {
 491         struct hal_ev_ssp_request ev;
 492         memset(&ev, 0, sizeof(ev));
 493         DBG("sizeof ev [%zu]", sizeof(ev));
 494
 495         DBG("Remote Device address [%s]", address);
 496         DBG("Remote Device Name [%s]", name);
 497         DBG("Remote Device passkey [%d]", passkey);
 498         DBG("Remote Device pairing variant [0x%x]", variant);
 499         DBG("Remote Device cod [%d]", cod);
 500
 501         _bt_hal_convert_addr_string_to_type(ev.bdaddr, address);
 502
 503         memcpy(ev.name, name, strlen(name)+1);
 504         ev.class_of_dev = cod;
 505         ev.pairing_variant = variant;
 506         ev.passkey = passkey;
 507
 508         handle_stack_msg event_cb = _bt_hal_get_stack_message_handler();
 509         if (event_cb) {
 510                 DBG("Sending SSP type [%d]", variant);
 511                 event_cb(HAL_EV_SSP_REQUEST, (void*)&ev, sizeof(ev));
 512         }
 513
 514         DBG("-");
 515 }
 516
 517 /* SSP */
 518 static gboolean __bt_hal_display_request(GapAgentPrivate *agent, GDBusProxy *device,
 519                 guint passkey)
 520 {
 521         gchar *address = NULL;
 522         gchar *name = NULL;
 523         unsigned char auth_info[5] = {0, };
 524         char *str_passkey = NULL;
 525         uint32_t device_class;
 526         GVariant *reply = NULL;
 527         GVariant *reply_temp = NULL;
 528         GVariant *tmp_value = NULL;
 529         DBG("+");
 530
 531         reply_temp = __bt_hal_service_getall(device, BT_HAL_DEVICE_INTERFACE);
 532         if (reply_temp == NULL) {
 533                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "",
 534                                 NULL);
 535                 goto done;
 536         }
 537
 538         g_variant_get(reply_temp, "(@a{sv})", &reply); /* Format of reply a{sv}*/
 539
 540         tmp_value = g_variant_lookup_value(reply, "Address", G_VARIANT_TYPE_STRING);
 541         g_variant_get(tmp_value, "s", &address);
 542         G_VARIANT_UNREF(tmp_value);
 543         if (!address) {
 544                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "", NULL);
 545                 goto done;
 546         }
 547
 548         tmp_value = g_variant_lookup_value(reply, "Name", G_VARIANT_TYPE_STRING);
 549         g_variant_get(tmp_value, "s", &name);
 550         G_VARIANT_UNREF(tmp_value);
 551
 552         tmp_value = g_variant_lookup_value(reply, "Class", G_VARIANT_TYPE_UINT32);
 553         g_variant_get(tmp_value, "u", &device_class);
 554         G_VARIANT_UNREF(tmp_value);
 555
 556         if (!name)
 557                 name = g_strdup(address);
 558
 559         str_passkey = g_strdup_printf("%d", passkey);
 560
 561         __bt_hal_get_auth_info(reply, (char *)auth_info);
 562
 563         DBG("KEYBOARD_PASSKEY_REQUEST");
 564
 565         if (passkey_display_notification) {
 566                 DBG("passkey_display_notification is enabled, send event to HAL");
 567                 __bt_hal_send_ssp_request_events(address, name, passkey, device_class,
 568                                 BT_SSP_VARIANT_PASSKEY_NOTIFICATION);
 569         } else if (headed_plugin_info->plugin_headed_enabled) {
 570                 INFO("Plugin Headed Enabled");
 571                 headed_plugin_info->headed_plugin->bt_launch_system_popup(BT_HAL_AGENT_EVENT_KEYBOARD_PASSKEY_REQUEST,
 572                                 name, address, auth_info, str_passkey, NULL, _gap_agent_get_path(agent));
 573         } else {
 574                 INFO("Plugin Headed not Enabled");
 575                 __bt_hal_send_ssp_request_events(address, name, passkey, device_class,
 576                                 BT_SSP_VARIANT_PASSKEY_NOTIFICATION);
 577         }
 578
 579         g_free(str_passkey);
 580 done:
 581         g_free(name);
 582         g_free(address);
 583         g_variant_unref(reply);
 584         g_variant_unref(reply_temp);
 585         __bt_hal_agent_release_memory();
 586
 587         DBG("-");
 588         return TRUE;
 589 }
 590
 591 /* SSP */
 592 static gboolean __bt_hal_passkey_request(GapAgentPrivate *agent, GDBusProxy *device)
 593 {
 594         gchar *address = NULL;
 595         gchar *name = NULL;
 596         unsigned char auth_info[5] = {0, };
 597         uint32_t device_class;
 598         GVariant *reply = NULL;
 599         GVariant *reply_temp = NULL;
 600         GVariant *tmp_value = NULL;
 601         DBG("+");
 602
 603         reply_temp = __bt_hal_service_getall(device, BT_HAL_DEVICE_INTERFACE);
 604
 605         if (reply_temp == NULL) {
 606                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "",
 607                                 NULL);
 608                 goto done;
 609         }
 610
 611         g_variant_get(reply_temp, "(@a{sv})", &reply); /* Format of reply a{sv}*/
 612
 613         tmp_value = g_variant_lookup_value(reply, "Address", G_VARIANT_TYPE_STRING);
 614         g_variant_get(tmp_value, "s", &address);
 615         G_VARIANT_UNREF(tmp_value);
 616         if (!address) {
 617                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "", NULL);
 618                 goto done;
 619         }
 620
 621         tmp_value = g_variant_lookup_value(reply, "Name", G_VARIANT_TYPE_STRING);
 622         g_variant_get(tmp_value, "s", &name);
 623         G_VARIANT_UNREF(tmp_value);
 624
 625         tmp_value = g_variant_lookup_value(reply, "Class", G_VARIANT_TYPE_UINT32);
 626         g_variant_get(tmp_value, "u", &device_class);
 627         G_VARIANT_UNREF(tmp_value);
 628
 629         if (!name)
 630                 name = g_strdup(address);
 631
 632         DBG("PASSKEY_REQUEST");
 633
 634         __bt_hal_get_auth_info(reply, (char *)auth_info);
 635
 636         if (headed_plugin_info->plugin_headed_enabled) {
 637                 headed_plugin_info->headed_plugin->bt_launch_system_popup(BT_HAL_AGENT_EVENT_PASSKEY_REQUEST,
 638                                 name, address, auth_info, NULL, NULL, _gap_agent_get_path(agent));
 639         } else {
 640                 __bt_hal_send_ssp_request_events(address, name, 0, device_class,
 641                                 BT_SSP_VARIANT_PASSKEY_ENTRY);
 642         }
 643
 644 done:
 645         g_free(name);
 646         g_free(address);
 647         g_variant_unref(reply);
 648         g_variant_unref(reply_temp);
 649         __bt_hal_agent_release_memory();
 650
 651         DBG("-");
 652         return TRUE;
 653 }
 654
 655 /*ssp*/
 656 static gboolean __bt_hal_confirm_request(GapAgentPrivate *agent, GDBusProxy *device,
 657                 guint passkey)
 658 {
 659         gchar *address = NULL;
 660         gchar *name = NULL;
 661         char str_passkey[7];
 662         uint32_t device_class;
 663         GVariant *reply_temp = NULL;
 664         GVariant *reply = NULL;
 665         GVariant *tmp_value = NULL;
 666         DBG("+ passkey[%.6d]", passkey);
 667         DBG("Agent Path [%s]", agent->path);
 668
 669         snprintf(str_passkey, sizeof(str_passkey), "%.6d", passkey);
 670
 671         reply_temp = __bt_hal_service_getall(device, BT_HAL_DEVICE_INTERFACE);
 672
 673         if (reply_temp == NULL) {
 674                 ERR("####Device doesn't exist####");
 675                 gap_agent_reply_pin_code(agent, GAP_AGENT_REJECT, "",
 676                                 NULL);
 677                 goto done;
 678         }
 679         g_variant_get(reply_temp, "(@a{sv})", &reply); /* Format of reply a{sv}*/
 680
 681         tmp_value = g_variant_lookup_value(reply, "Address", G_VARIANT_TYPE_STRING);
 682         g_variant_get(tmp_value, "s", &address);
 683         G_VARIANT_UNREF(tmp_value);
 684
 685         tmp_value = g_variant_lookup_value(reply, "Name", G_VARIANT_TYPE_STRING);
 686         g_variant_get(tmp_value, "s", &name);
 687         G_VARIANT_UNREF(tmp_value);
 688
 689         tmp_value = g_variant_lookup_value(reply, "Class", G_VARIANT_TYPE_UINT32);
 690         g_variant_get(tmp_value, "u", &device_class);
 691         G_VARIANT_UNREF(tmp_value);
 692
 693         if (!name)
 694                 name = g_strdup(address);
 695
 696         if (headed_plugin_info->plugin_headed_enabled) {
 697                 unsigned char auth_info[5] = {0, };
 698
 699                 DBG("LAUNCH SYSPOPUP");
 700                 DBG("Name [%s]", name);
 701                 DBG("Passkey [%s]", str_passkey);
 702
 703                 __bt_hal_get_auth_info(reply, (char *)auth_info);
 704                 headed_plugin_info->headed_plugin->bt_launch_system_popup(BT_HAL_AGENT_EVENT_PASSKEY_CONFIRM_REQUEST,
 705                                 name, address, auth_info, str_passkey, NULL,
 706                                 _gap_agent_get_path(agent));
 707         } else {
 708                 DBG("Headless Confirmation");
 709
 710                 if (TIZEN_FEATURE_BLUEZ_SPEAKER_REFERENCE) {
 711                         /* Reply the ssp confirmation automaticaly */
 712                         gap_agent_reply_confirmation(agent, GAP_AGENT_ACCEPT, NULL);
 713                 }
 714
 715                 __bt_hal_send_ssp_request_events(address, name, passkey,
 716                                 device_class, BT_SSP_VARIANT_PASSKEY_CONFIRMATION);
 717         }
 718
 719 done:
 720         g_free(name);
 721         g_free(address);
 722         g_variant_unref(reply);
 723         g_variant_unref(reply_temp);
 724         __bt_hal_agent_release_memory();
 725         DBG("-");
 726         return TRUE;
 727 }
 728
 729 static gboolean __bt_hal_authorize_request(GapAgentPrivate *agent, GDBusProxy *device,
 730                 const char *uuid)
 731 {
 732         gchar *address = NULL;
 733         gchar *name = NULL;
 734         gboolean trust;
 735         gboolean paired;
 736         GVariant *reply = NULL;
 737         GVariant *reply_temp = NULL;
 738         GVariant *tmp_value = NULL;
 739 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
 740         bt_hal_agent_osp_server_t *osp_server;
 741 #endif
 742
 743         reply_temp = __bt_hal_service_getall(device, BT_HAL_DEVICE_INTERFACE);
 744         if (reply_temp == NULL) {
 745                 gap_agent_reply_authorize(agent, GAP_AGENT_REJECT, NULL);
 746                 goto done;
 747         }
 748
 749         g_variant_get(reply_temp, "(@a{sv})", &reply); /* Format of reply a{sv}*/
 750
 751         tmp_value = g_variant_lookup_value(reply, "Address", G_VARIANT_TYPE_STRING);
 752         g_variant_get(tmp_value, "s", &address);
 753         G_VARIANT_UNREF(tmp_value);
 754         if (!address) {
 755                 gap_agent_reply_authorize(agent, GAP_AGENT_REJECT, NULL);
 756                 goto done;
 757         }
 758
 759         tmp_value = g_variant_lookup_value(reply, "Alias", G_VARIANT_TYPE_STRING);
 760         g_variant_get(tmp_value, "s", &name);
 761         G_VARIANT_UNREF(tmp_value);
 762         if (!name)
 763                 name = g_strdup(address);
 764
 765         tmp_value = g_variant_lookup_value(reply, "Trusted", G_VARIANT_TYPE_BOOLEAN);
 766         g_variant_get(tmp_value, "b", &trust);
 767         G_VARIANT_UNREF(tmp_value);
 768
 769         tmp_value = g_variant_lookup_value(reply, "Paired", G_VARIANT_TYPE_BOOLEAN);
 770         g_variant_get(tmp_value, "b", &paired);
 771         G_VARIANT_UNREF(tmp_value);
 772         if ((paired == FALSE) && (trust == FALSE)) {
 773                 ERR("No paired & No trusted device");
 774                 gap_agent_reply_authorize(agent, GAP_AGENT_REJECT, NULL);
 775                 goto done;
 776         }
 777
 778         INFO("Authorization request for device [%s] Service:[%s]\n", address + 12, uuid);
 779
 780         if (trust) {
 781                 DBG("Trusted device, so authorize\n");
 782                 gap_agent_reply_authorize(agent, GAP_AGENT_ACCEPT, NULL);
 783                 goto done;
 784         }
 785
 786         if (!strcasecmp(uuid, BT_HAL_HID_UUID)) {
 787                 gboolean is_connectable = __bt_hal_is_hid_device_connectable();
 788                 DBG("Automatically %s authorization for HID",
 789                         is_connectable ? "accept" : "reject");
 790                 if (is_connectable == TRUE)
 791                         gap_agent_reply_authorize(agent, GAP_AGENT_ACCEPT, NULL);
 792                 else
 793                         gap_agent_reply_authorize(agent, GAP_AGENT_REJECT, NULL);
 794                 goto done;
 795         }
 796
 797         if (!strcasecmp(uuid, BT_HAL_HFP_AUDIO_GATEWAY_UUID) ||
 798                         !strcasecmp(uuid, BT_HAL_HSP_AUDIO_GATEWAY_UUID) ||
 799                         !strcasecmp(uuid, BT_HAL_HFP_HF_UUID) ||
 800                         !strcasecmp(uuid, BT_HAL_HSP_HS_UUID) ||
 801                         !strcasecmp(uuid, BT_HAL_A2DP_PROFILE_UUID) ||
 802                         !strcasecmp(uuid, BT_HAL_HID_DEVICE_UUID) ||
 803                         !strcasecmp(uuid, BT_HAL_SAP_UUID_OLD) ||
 804                         !strcasecmp(uuid, BT_HAL_SAP_UUID_NEW) ||
 805 #ifdef TIZEN_BT_HAL
 806                         !strcasecmp(uuid, BT_HAL_IOTIVITY_UUID) ||
 807 #endif
 808                         !strcasecmp(uuid, BT_HAL_AVRCP_TARGET_UUID)) {
 809                 __bt_hal_send_authorize_request_event(address, uuid);
 810                 goto done;
 811         }
 812
 813 #ifdef TIZEN_BT_HAL
 814         if (!strcasecmp(uuid, BT_HAL_OPP_UUID)) {
 815                 if (NULL != _bt_hal_gap_agent_find_osp_server_by_type(
 816                                 agent->osp_servers, BT_OSP_SERVER_OBEX, NULL)) {
 817                         INFO("OSP server for OPP found, send event");
 818                         __bt_hal_send_authorize_request_event(address, uuid);
 819                         goto done;
 820                 } else {
 821                         INFO("Native OPP server, auto accept");
 822                         gap_agent_reply_authorize(agent,
 823                                         GAP_AGENT_ACCEPT, NULL);
 824                         goto done;
 825                 }
 826         }
 827
 828 #ifdef TIZEN_FEATURE_BT_RFCOMM_DIRECT
 829         /* If user only listens(without accepts) to rfcomm server, occurs connection requested cb not popup */
 830         osp_server = _bt_hal_gap_agent_find_osp_server_by_type(agent->osp_servers, BT_OSP_SERVER_RFCOMM, uuid);
 831         if (osp_server) {
 832                 INFO("Found rfcomm osp server. path: %s, fd: %d", osp_server->path, osp_server->fd);
 833                 __bt_hal_send_rfcomm_authorize_request_event(address, uuid, name, osp_server->path, osp_server->fd);
 834                 goto done;
 835         }
 836 #else
 837         if (_is_rfcomm_server_uuid(uuid)) {
 838                 __bt_hal_send_rfcomm_authorize_request_event(address, uuid, NULL, NULL, -1);
 839                 goto done;
 840         }
 841 #endif
 842 #endif
 843
 844         if (trust || !headed_plugin_info->plugin_headed_enabled) {
 845                 INFO("Trusted or Headless device, so authorize\n");
 846                 gap_agent_reply_authorize(agent,
 847                                 GAP_AGENT_ACCEPT, NULL);
 848
 849                 goto done;
 850         }
 851
 852         if (headed_plugin_info->plugin_headed_enabled) {
 853                 unsigned char auth_info[5] = {0, };
 854                 int request_type = BT_HAL_AGENT_EVENT_AUTHORIZE_REQUEST;
 855
 856                 __bt_hal_get_auth_info(reply, (char *)auth_info);
 857
 858                 if (!strcasecmp(uuid, BT_HAL_OPP_UUID))
 859                         request_type = BT_HAL_AGENT_EVENT_EXCHANGE_REQUEST;
 860                 else if (!strcasecmp(uuid, BT_HAL_PBAP_UUID))
 861                         request_type = BT_HAL_AGENT_EVENT_PBAP_REQUEST;
 862                 else if (!strcasecmp(uuid, BT_HAL_MAP_UUID))
 863                         request_type = BT_HAL_AGENT_EVENT_MAP_REQUEST;
 864
 865                 headed_plugin_info->headed_plugin->bt_launch_system_popup(request_type, name,
 866                                         address, auth_info, NULL, NULL, _gap_agent_get_path(agent));
 867         }
 868
 869 done:
 870         g_free(name);
 871         g_free(address);
 872         g_variant_unref(reply);
 873         g_variant_unref(reply_temp);
 874         __bt_hal_agent_release_memory();
 875
 876         return TRUE;
 877 }
 878
 879 static gboolean __bt_hal_authorize_cancel_request(GapAgentPrivate *agent,
 880                                                 const char *address)
 881 {
 882         DBG("On Going Authorization is cancelled by remote [%s]", address);
 883         gap_agent_reply_authorize(agent, GAP_AGENT_CANCEL, NULL);
 884
 885         if (headed_plugin_info->plugin_headed_enabled)
 886                 headed_plugin_info->headed_plugin->bt_destroy_popup_all();
 887
 888         __bt_hal_agent_release_memory();
 889         return TRUE;
 890 }
 891
 892 static gboolean __bt_hal_pairing_cancel_request(GapAgentPrivate *agent, const char *address)
 893 {
 894         DBG("On Going Pairing is cancelled by remote [%s]", address);
 895
 896         if (headed_plugin_info->plugin_headed_enabled)
 897                 headed_plugin_info->headed_plugin->bt_destroy_popup_all();
 898
 899         __bt_hal_agent_release_memory();
 900         return TRUE;
 901 }
 902
 903 static gboolean __bt_hal_device_is_hid_keyboard(unsigned int dev_class)
 904 {
 905         switch ((dev_class & 0x1f00) >> 8) {
 906         case 0x05:
 907                 switch ((dev_class & 0xc0) >> 6) {
 908                 case 0x01:
 909                         /* input-keyboard" */
 910                         return TRUE;
 911                 }
 912                 break;
 913         }
 914
 915         return FALSE;
 916 }
 917
 918 static gboolean __bt_hal_is_hid_device_connectable(void)
 919 {
 920         GDBusProxy *proxy = NULL;
 921         GVariant *reply = NULL;
 922         GError *err = NULL;
 923         gboolean connectable = FALSE;
 924
 925         proxy = _bt_hal_get_hid_agent_proxy();
 926         if(proxy == NULL)
 927                 return FALSE;
 928
 929         reply = g_dbus_proxy_call_sync(proxy, "IsHidConnectable", NULL,
 930                                 G_DBUS_CALL_FLAGS_NONE, 2000, NULL, &err);
 931         if (reply == NULL) {
 932                 ERR("Error returned in method call");
 933                 if (err != NULL) {
 934                         ERR("Error message = %s", err->message);
 935                         g_error_free(err);
 936                 }
 937                 connectable = FALSE;
 938         } else {
 939                 g_variant_get(reply, "(b)", &connectable);
 940                 g_variant_unref(reply);
 941         }
 942         g_object_unref(proxy);
 943
 944         INFO("HID Device is %s",
 945                         connectable ? "Connectable" : "Non-connectable");
 946
 947         return connectable;
 948 }
 949
 950 static int __bt_hal_device_generate_passkey(char *passkey, int size)
 951 {
 952         int i;
 953         ssize_t len;
 954         int random_fd;
 955         unsigned int value = 0;
 956
 957         if (passkey == NULL)
 958                 return -1;
 959
 960         if (size <= 0)
 961                 return -1;
 962
 963         random_fd = open("/dev/urandom", O_RDONLY);
 964
 965         if (random_fd < 0)
 966                 return -1;
 967
 968         for (i = 0; i < size; i++) {
 969                 len = read(random_fd, &value, sizeof(value));
 970                 if (len > 0)
 971                         passkey[i] = '0' + (value % 10);
 972         }
 973
 974         close(random_fd);
 975
 976         DBG("passkey: %s", passkey);
 977
 978         return 0;
 979 }
 980
 981 static gboolean __bt_hal_find_device_by_address_exactname(char *buffer,
 982                 const char *address)
 983 {
 984         char *pch;
 985         char *last;
 986
 987         pch = strtok_r(buffer, "= ,", &last);
 988
 989         if (pch == NULL)
 990                 return FALSE;
 991
 992         while ((pch = strtok_r(NULL, ",", &last))) {
 993                 if (0 == g_strcmp0(pch, address)) {
 994                         DBG("Match found\n");
 995                         return TRUE;
 996                 }
 997         }
 998         return FALSE;
 999 }
1000
1001 static gboolean __bt_hal_find_device_by_partial_name(char *buffer,
1002                 const char *partial_name)
1003 {
1004         char *pch;
1005         char *last;
1006
1007         pch = strtok_r(buffer, "= ,", &last);
1008
1009         if (pch == NULL)
1010                 return FALSE;
1011
1012         while ((pch = strtok_r(NULL, ",", &last))) {
1013                 if (g_str_has_prefix(partial_name, pch)) {
1014                         DBG("Match found\n");
1015                         return TRUE;
1016                 }
1017         }
1018         return FALSE;
1019 }
1020
1021 static gboolean __bt_hal_device_is_device_blacklisted(const char *address,
1022                 const char *name)
1023 {
1024         char *buffer;
1025         char **lines;
1026         int i;
1027         FILE *fp;
1028         long size;
1029         size_t result;
1030
1031         DBG("+");
1032
1033         fp = fopen(BT_HAL_AGENT_AUTO_PAIR_BLACKLIST_FILE, "r");
1034
1035         if (fp == NULL) {
1036                 ERR("Unable to open blacklist file");
1037                 return FALSE;
1038         }
1039
1040         fseek(fp, 0, SEEK_END);
1041         size = ftell(fp);
1042         if (size <= 0) {
1043                 DBG("size is not a positive number");
1044                 fclose(fp);
1045                 return FALSE;
1046         }
1047
1048         rewind(fp);
1049
1050         buffer = g_malloc0(sizeof(char) * size);
1051         /* Fix : NULL_RETURNS */
1052         if (buffer == NULL) {
1053                 ERR("Fail to allocate memory");
1054                 fclose(fp);
1055                 return FALSE;
1056         }
1057         result = fread((char *)buffer, 1, size, fp);
1058         fclose(fp);
1059         if (result != size) {
1060                 ERR("Read Error");
1061                 g_free(buffer);
1062                 return FALSE;
1063         }
1064
1065         lines = g_strsplit_set(buffer, BT_HAL_AGENT_NEW_LINE, 0);
1066         g_free(buffer);
1067
1068         if (lines == NULL) {
1069                 ERR("No lines in the file");
1070                 return FALSE;
1071         }
1072
1073         for (i = 0; lines[i] != NULL; i++) {
1074                 if (g_str_has_prefix(lines[i], "AddressBlacklist"))
1075                         if (__bt_hal_find_device_by_address_exactname(
1076                                                 lines[i], address))
1077                                 goto done;
1078                 if (g_str_has_prefix(lines[i], "ExactNameBlacklist"))
1079                         if (__bt_hal_find_device_by_address_exactname(
1080                                                 lines[i], name))
1081                                 goto done;
1082                 if (g_str_has_prefix(lines[i], "PartialNameBlacklist"))
1083                         if (__bt_hal_find_device_by_partial_name(lines[i],
1084                                                 name))
1085                                 goto done;
1086                 if (g_str_has_prefix(lines[i], "KeyboardAutoPair"))
1087                         if (__bt_hal_find_device_by_address_exactname(
1088                                                 lines[i], address))
1089                                 goto done;
1090         }
1091         g_strfreev(lines);
1092         DBG("-");
1093         return FALSE;
1094 done:
1095         DBG("Found the device");
1096         g_strfreev(lines);
1097         return TRUE;
1098 }
1099
1100 static gboolean __bt_hal_device_is_auto_response(uint32_t dev_class,
1101                 const gchar *address, const gchar *name)
1102 {
1103         gboolean is_headset = FALSE;
1104         gboolean is_mouse = FALSE;
1105         unsigned int adapter_class = 0;
1106         char lap_address[BT_HAL_LOWER_ADDRESS_LENGTH];
1107
1108         DBG("bt_agent_is_headset_class, %d +", dev_class);
1109
1110         if (address == NULL)
1111                 return FALSE;
1112
1113         _bt_hal_dbus_get_adapter_class(&adapter_class);
1114
1115         if (((adapter_class & 0x1f00) >> 8) == 0x05)
1116         {
1117                 DBG("Adapter is Peripheral, do not response automatically");
1118                 return FALSE;
1119         }
1120
1121         switch ((dev_class & 0x1f00) >> 8) {
1122         case 0x04:
1123                 switch ((dev_class & 0xfc) >> 2) {
1124                 case 0x01:
1125                 case 0x02:
1126                         /* Headset */
1127                         is_headset = TRUE;
1128                         break;
1129                 case 0x06:
1130                         /* Headphone */
1131                         is_headset = TRUE;
1132                         break;
1133                 case 0x0b:      /* VCR */
1134                 case 0x0c:      /* Video Camera */
1135                 case 0x0d:      /* Camcorder */
1136                         break;
1137                 default:
1138                         /* Other audio device */
1139                         is_headset = TRUE;
1140                         break;
1141                 }
1142                 break;
1143         case 0x05:
1144                 switch (dev_class & 0xff) {
1145                 case 0x80:  /* 0x80: Pointing device(Mouse) */
1146                         is_mouse = TRUE;
1147                         break;
1148
1149                 case 0x40: /* 0x40: input device (BT keyboard) */
1150
1151                         /* Get the LAP(Lower Address part) */
1152                         g_strlcpy(lap_address, address, sizeof(lap_address));
1153
1154                         /* Need to Auto pair the blacklisted Keyboard */
1155                         if (__bt_hal_device_is_device_blacklisted(lap_address, name) != TRUE) {
1156                                 DBG("Device is not black listed\n");
1157                                 return FALSE;
1158                         } else {
1159                                 ERR("Device is black listed\n");
1160                                 return TRUE;
1161                         }
1162                 }
1163         }
1164
1165         if ((!is_headset) && (!is_mouse))
1166                 return FALSE;
1167
1168         /* Get the LAP(Lower Address part) */
1169         g_strlcpy(lap_address, address, sizeof(lap_address));
1170
1171         DBG("Device address = %s\n", address);
1172         DBG("Address 3 byte = %s\n", lap_address);
1173
1174         if (__bt_hal_device_is_device_blacklisted(lap_address, name)) {
1175                 ERR("Device is black listed\n");
1176                 return FALSE;
1177         }
1178
1179         return TRUE;
1180 }
1181
1182 static GVariant *__bt_hal_service_getall(GDBusProxy *device, const char *interface)
1183 {
1184         GError *error = NULL;
1185         GVariant *reply;
1186
1187         reply = g_dbus_proxy_call_sync(device,
1188                         "GetAll", g_variant_new("(s)", interface),
1189                         G_DBUS_CALL_FLAGS_NONE, -1,
1190                         NULL, &error);
1191         if (reply == NULL) {
1192                 ERR("GetAll dBUS-RPC failed");
1193                 if (error) {
1194                         ERR("D-Bus API failure: errCode[%x], message[%s]",
1195                                         error->code, error->message);
1196                         g_clear_error(&error);
1197                 }
1198                 return NULL;
1199         }
1200
1201         return reply;
1202 }
1203
1204 static void __bt_hal_agent_release_memory(void)
1205 {
1206         /* Release Malloc Memory*/
1207         malloc_trim(0);
1208
1209         /* Release Stack Memory*/
1210         stack_trim();
1211 }
1212
1213 static inline void stack_trim(void)
1214 {
1215 #ifdef STACK_FLUSH
1216         unsigned int sp;
1217         char buf[BUF_SIZE];
1218         FILE *file;
1219         unsigned int stacktop;
1220         int found = 0;
1221
1222         asm volatile ("mov %0,sp " : "=r"(sp));
1223
1224         sprintf(buf, "/proc/%d/maps", getpid());
1225         file = fopen(buf, "r");
1226         while (fgets(buf, BUF_SIZE, file) != NULL) {
1227                 if (strstr(buf, "[stack]")) {
1228                         found = 1;
1229                         break;
1230                 }
1231         }
1232         fclose(file);
1233
1234         if (found) {
1235                 sscanf(buf, "%x-", &stacktop);
1236                 if (madvise((void *)PAGE_ALIGN(stacktop), PAGE_ALIGN(sp) - stacktop,
1237                                         MADV_DONTNEED) < 0)
1238                         perror("stack madvise fail");
1239         }
1240 #endif
1241 }