src/eventsystem.c

   1 /**
   2  * event system low-level API
   3  */
   4 #include <stdio.h>
   5 #include <string.h>
   6 #include <stdlib.h>
   7 #include <dlog.h>
   8 #include <bundle.h>
   9 #include <bundle_internal.h>
  10 #include <glib.h>
  11 #include <gio/gio.h>
  12 #include <eventsystem.h>
  13 #include <fcntl.h>
  14
  15 #undef LOG_TAG
  16 #define LOG_TAG "eventsystem"
  17
  18 #define SYS_EVENT_NAME_PREFIX "tizen.system.event"
  19 #define EVENT_SYSTEM_PREFIX "eventsystem.id_"
  20 #define EVENT_SYSTEM_PREFIX_LEN 15
  21 #define EVENT_SYSTEM_MEMBER "eventsystem"
  22 #define VALID_COUNT_OF_EVENTNAME_TOKEN 3
  23 #define VALID_LAST_COUNT_FOR_EVENTNAME (VALID_COUNT_OF_EVENTNAME_TOKEN + 1)
  24 #define MAX_COUNT_FOR_EVENTNAME_CHECK (VALID_LAST_COUNT_FOR_EVENTNAME + 1)
  25
  26 #define FREE_AND_NULL(ptr) do { \
  27         if (ptr) { \
  28                 free((void *)ptr); \
  29                 ptr = NULL; \
  30         } \
  31 } while (0)
  32
  33 #define _E(fmt, arg...) LOGE(fmt, ##arg)
  34 #define _D(fmt, arg...) LOGD(fmt, ##arg)
  35 #define _W(fmt, arg...) LOGW(fmt, ##arg)
  36 #define _I(fmt, arg...) LOGI(fmt, ##arg)
  37
  38 #define retvm_if(expr, val, fmt, arg...) do { \
  39         if (expr) { \
  40                 _E(fmt, ##arg); \
  41                 _E("(%s) -> %s() return", #expr, __func__); \
  42                 return val; \
  43         } \
  44 } while (0)
  45
  46 #define retv_if(expr, val) do { \
  47         if (expr) { \
  48                 _E("(%s) -> %s() return", #expr, __func__); \
  49                 return val; \
  50         } \
  51 } while (0)
  52
  53 #define tryvm_if(expr, val, fmt, arg...) do { \
  54          if (expr) { \
  55                 _E("(%s) "fmt, #expr, ##arg); \
  56                 val; \
  57                 goto catch; \
  58         } \
  59 } while (0)
  60
  61 pthread_mutex_t send_sync_lock = PTHREAD_MUTEX_INITIALIZER;
  62
  63 static GList *system_event_list;
  64 static int _initialized;
  65 static GHashTable *check_tbl;
  66 static GHashTable *filter_tbl;
  67
  68 typedef struct eventmap {
  69         char *event_name;
  70         char *interface_name;
  71         char *member_name;
  72         guint reg_id;
  73         GBusType bus_type;
  74         int event_type;
  75         union {
  76                 eventsystem_cb es_cb;
  77                 eventsystem_handler ep_cb;
  78         };
  79 } eventmap_s;
  80
  81 typedef struct eventinfo {
  82         char *event_name;
  83         char *destination_name;
  84         char *interface_name;
  85         char *object_path;
  86         char *member_name;
  87         bool is_user_event;
  88         bundle *event_data;
  89 } eventinfo_s;
  90
  91 typedef struct sysevent_info {
  92         guint owner_id;
  93         guint owner_id_session;
  94         char *own_name_system_bus;
  95         char *own_name_session_bus;
  96 } sysevent_info_s;
  97 static sysevent_info_s s_info;
  98
  99 static int __eventsystem_check_user_send_validation(const char *event_name);
 100 static int __eventsystem_requet_destination_list(const char *event_name, GList **dest_list);
 101 static int __eventsystem_check_sender_validation(int sender_pid,
 102                 const char *event_name, char **sender);
 103
 104 static int __event_compare_name_cb(gconstpointer a, gconstpointer b)
 105 {
 106         eventmap_s *key1 = (eventmap_s *)a;
 107         eventmap_s *key2 = (eventmap_s *)b;
 108         return strcmp(key1->interface_name, key2->interface_name) |
 109                         strcmp(key1->member_name, key2->member_name);
 110 }
 111
 112 static int __event_compare_reg_id_cb(gconstpointer a, gconstpointer b)
 113 {
 114         eventmap_s *key1 = (eventmap_s *)a;
 115         eventmap_s *key2 = (eventmap_s *)b;
 116         return !(key1->reg_id == key2->reg_id);
 117 }
 118
 119 static void __initialize(void)
 120 {
 121 #if (GLIB_MAJOR_VERSION <= 2 && GLIB_MINOR_VERSION < 36)
 122         g_type_init();
 123 #endif
 124
 125         _initialized = 1;
 126 }
 127
 128 static int __eventsystem_get_sender_pid(GDBusConnection *conn, const char *sender_name)
 129 {
 130         GDBusMessage *msg = NULL;
 131         GDBusMessage *reply = NULL;
 132         GError *err = NULL;
 133         GVariant *body;
 134         int pid = 0;
 135
 136         msg = g_dbus_message_new_method_call("org.freedesktop.DBus", "/org/freedesktop/DBus",
 137                 "org.freedesktop.DBus", "GetConnectionUnixProcessID");
 138         if (!msg) {
 139                 _E("Can't allocate new method call");
 140                 goto out;
 141         }
 142
 143         g_dbus_message_set_body(msg, g_variant_new("(s)", sender_name));
 144         reply = g_dbus_connection_send_message_with_reply_sync(conn, msg,
 145                 G_DBUS_SEND_MESSAGE_FLAGS_NONE, -1, NULL, NULL, &err);
 146
 147         if (!reply) {
 148                 if (err != NULL) {
 149                         _E("Failed to get pid [%s]", err->message);
 150                         g_error_free(err);
 151                 }
 152                 goto out;
 153         }
 154
 155         body = g_dbus_message_get_body(reply);
 156         g_variant_get(body, "(u)", &pid);
 157
 158 out:
 159         if (msg)
 160                 g_object_unref(msg);
 161         if (reply)
 162                 g_object_unref(reply);
 163
 164         return pid;
 165 }
 166
 167 static char *__get_object_path(char *interface_name)
 168 {
 169         int i;
 170         char *object_path = (char *)calloc(strlen(interface_name), sizeof(char) + 2);
 171
 172         if (object_path == NULL) {
 173                 _E("failed to allocate memory");
 174                 return NULL;
 175         }
 176
 177         object_path[0] = '/';
 178
 179         for (i = 0; interface_name[i]; i++) {
 180                 if (interface_name[i] == '.')
 181                         object_path[i + 1] = '/';
 182                 else
 183                         object_path[i + 1] = interface_name[i];
 184         }
 185
 186         return object_path;
 187 }
 188
 189 static char *__get_encoded_interface_name(char *interface_name)
 190 {
 191         char *evtid = NULL;
 192         int evtid_len = 0;
 193         gchar *encoded_value;
 194
 195         encoded_value = g_compute_checksum_for_string(G_CHECKSUM_MD5,
 196                 interface_name, strlen(interface_name));
 197
 198         evtid_len = EVENT_SYSTEM_PREFIX_LEN + strlen(encoded_value) + 1;
 199
 200         evtid = (char *)calloc(evtid_len, sizeof(char));
 201         if (evtid == NULL) {
 202                 _D("memory alloc failed");
 203                 g_free(encoded_value);
 204                 return NULL;
 205         }
 206
 207         snprintf(evtid, evtid_len, "%s%s", EVENT_SYSTEM_PREFIX, (char *)encoded_value);
 208
 209         g_free(encoded_value);
 210
 211         return evtid;
 212 }
 213
 214 static char *__get_member_name_from_eventname(char *event_name)
 215 {
 216         char *ptr = NULL;
 217         char *ptr_last = NULL;
 218         char *temp_name = NULL;
 219         char *member_name = NULL;
 220         char *save_ptr = NULL;
 221         int count = 0;
 222
 223         temp_name = strdup(event_name);
 224         if (temp_name == NULL) {
 225                 _E("out of memory");
 226                 return NULL;
 227         }
 228
 229         ptr = strtok_r(temp_name, ".", &save_ptr);
 230         if (ptr == NULL) {
 231                 _E("invalid event_name(%s), count(%d)", event_name, count);
 232                 FREE_AND_NULL(temp_name);
 233                 return NULL;
 234         }
 235         count++;
 236
 237         while (count < MAX_COUNT_FOR_EVENTNAME_CHECK) {
 238                 ptr = strtok_r(NULL, ".", &save_ptr);
 239                 if (ptr == NULL)
 240                         break;
 241                 /* _D("(%d)ptr(%s)(%d)", count, ptr, strlen(ptr)); */
 242                 ptr_last = ptr;
 243                 count++;
 244         }
 245
 246         if (count != VALID_LAST_COUNT_FOR_EVENTNAME) {
 247                 _E("invalid event_name(%s), count(%d)", event_name, count);
 248                 FREE_AND_NULL(temp_name);
 249                 return NULL;
 250         }
 251
 252         if (ptr_last) {
 253                 /* _D("new member_name(%s)(%d)", ptr_last, strlen(ptr_last)); */
 254                 member_name = strdup(ptr_last);
 255                 if (!member_name) {
 256                         _E("out_of_memory");
 257                         FREE_AND_NULL(temp_name);
 258                         return NULL;
 259                 }
 260         } else {
 261                 _E("ptr_last is NULL");
 262                 FREE_AND_NULL(temp_name);
 263                 return NULL;
 264         }
 265
 266         _D("member_name(%s)", member_name);
 267
 268         FREE_AND_NULL(temp_name);
 269         return member_name;
 270 }
 271
 272 static int __check_validation_usrevent_sender(int sender_pid,
 273                 const char *interface_name, const char *event_name)
 274 {
 275         char *sender_id = NULL;
 276         char *key = NULL;
 277         char *val = NULL;
 278
 279         if (__eventsystem_check_sender_validation(sender_pid,
 280                 event_name, &sender_id) < 0) {
 281                 _E("invalid user-event sender");
 282                 return ES_R_EINVAL;
 283         }
 284
 285         if (sender_id == NULL) {
 286                 _E("sender_id is null");
 287                 return ES_R_EINVAL;
 288         }
 289
 290         key = strdup(interface_name);
 291         if (key == NULL) {
 292                 _E("out of memory");
 293                 g_free(sender_id);
 294                 return ES_R_ENOMEM;
 295         }
 296
 297         val = strdup(sender_id);
 298         if (val == NULL) {
 299                 _E("out of memory");
 300                 free(key);
 301                 g_free(sender_id);
 302                 return ES_R_ENOMEM;
 303         }
 304
 305         g_hash_table_insert(filter_tbl, key, val);
 306         g_free(sender_id);
 307
 308         return ES_R_OK;
 309 }
 310
 311 static int __check_validation_user_defined_name(const char *event_name)
 312 {
 313         char *event_id = NULL;
 314         char *key = NULL;
 315         int ret = 1;
 316
 317         if (check_tbl == NULL)
 318                 check_tbl = g_hash_table_new(g_str_hash, g_str_equal);
 319
 320         event_id = (char *)g_hash_table_lookup(check_tbl, event_name);
 321         if (event_id == NULL) {
 322                 if (__eventsystem_check_user_send_validation(event_name) < 0) {
 323                         _E("invalid user-event name");
 324                         ret = 0;
 325                 } else {
 326                         key = strdup(event_name);
 327                         if (key == NULL) {
 328                                 _E("out_of_memory");
 329                                 ret = 0;
 330                         } else {
 331                                 g_hash_table_insert(check_tbl, key, key);
 332                         }
 333                 }
 334         }
 335
 336         return ret;
 337 }
 338
 339 static int __check_interface_validation_user(char *interface_name)
 340 {
 341         int len = strlen(EVENT_SYSTEM_PREFIX);
 342
 343         if (strncmp(interface_name, EVENT_SYSTEM_PREFIX, len) != 0)
 344                 return 0;
 345
 346         return 1;
 347 }
 348
 349 static int __check_eventname_validation_user(char *event_name)
 350 {
 351         int len = strlen(USER_EVENT_NAME_PREFIX);
 352
 353         if (strncmp(event_name, USER_EVENT_NAME_PREFIX, len) != 0)
 354                 return 0;
 355
 356         return 1;
 357 }
 358
 359 static int __check_eventname_validation_system(char *event_name)
 360 {
 361         int len = strlen(SYS_EVENT_NAME_PREFIX);
 362
 363         if (strncmp(event_name, SYS_EVENT_NAME_PREFIX, len) != 0)
 364                 return 0;
 365
 366         return 1;
 367 }
 368
 369 static int __get_gdbus_shared_connection(GDBusConnection **connection, GBusType bus_type,
 370                 eventsystem_event_type event_type)
 371 {
 372         GError *error = NULL;
 373         guint owner_id = 0;
 374         gchar *guid = NULL;
 375         char own_name[128] = {0, };
 376         GDBusConnection *conn_system = NULL;
 377
 378         if (!_initialized)
 379                 __initialize();
 380
 381         *connection = g_bus_get_sync(bus_type, NULL, &error);
 382         if (*connection == NULL) {
 383                 if (error != NULL) {
 384                         _E("Failed to get dbus [%s], bus_type [%d]",
 385                                 error->message, bus_type);
 386                         g_error_free(error);
 387                 }
 388                 return ES_R_ERROR;
 389         }
 390
 391         if (((bus_type == G_BUS_TYPE_SYSTEM && !s_info.owner_id) ||
 392                 (bus_type == G_BUS_TYPE_SESSION && !s_info.owner_id_session))) {
 393                 guid = g_dbus_generate_guid();
 394                 if (guid == NULL) {
 395                         _E("failed to get guid");
 396                         return ES_R_ERROR;
 397                 }
 398                 snprintf(own_name, 128, "%s.%s.id%s_%d_%d", "event.busname",
 399                         (bus_type == G_BUS_TYPE_SESSION ? "session" : "system"),
 400                         guid, getuid(), getpid());
 401                 g_free(guid);
 402
 403                 _D("bus_name is [%s]", own_name);
 404                 owner_id = g_bus_own_name_on_connection(*connection, own_name,
 405                         G_BUS_NAME_OWNER_FLAGS_NONE,
 406                         NULL, NULL, NULL, NULL);
 407                 if (!owner_id) {
 408                         _E("g_bus_own_name_on_connection, error");
 409                         return ES_R_ERROR;
 410                 }
 411
 412                 if (bus_type == G_BUS_TYPE_SESSION && event_type == ES_TYPE_USER) {
 413                         /* set same name on system-bus */
 414                         error = NULL;
 415                         conn_system = g_bus_get_sync(G_BUS_TYPE_SYSTEM, NULL, &error);
 416                         if (conn_system == NULL) {
 417                                 _E("failed to get system connection");
 418                                 if (error != NULL) {
 419                                         _E("error(%s)", error->message);
 420                                         g_error_free(error);
 421                                 }
 422                                 return ES_R_ERROR;
 423                         } else {
 424                                 owner_id = g_bus_own_name_on_connection(conn_system,
 425                                         own_name, G_BUS_NAME_OWNER_FLAGS_NONE,
 426                                         NULL, NULL, NULL, NULL);
 427                                 if (!owner_id) {
 428                                         _E("g_bus_own_name_on_connection(for system), error");
 429                                         g_object_unref(conn_system);
 430                                         return ES_R_ERROR;
 431                                 }
 432
 433                                 g_object_unref(conn_system);
 434                         }
 435                 }
 436
 437                 if (bus_type == G_BUS_TYPE_SESSION) {
 438                         s_info.owner_id_session = owner_id;
 439                         s_info.own_name_session_bus = strdup(own_name);
 440                         if (s_info.own_name_session_bus == NULL) {
 441                                 _E("out of memory");
 442                                 return ES_R_ERROR;
 443                         }
 444                 } else {
 445                         s_info.owner_id = owner_id;
 446                         s_info.own_name_system_bus = strdup(own_name);
 447                         if (s_info.own_name_system_bus == NULL) {
 448                                 _E("out of memory");
 449                                 return ES_R_ERROR;
 450                         }
 451                 }
 452         }
 453
 454         return ES_R_OK;
 455 }
 456
 457 static void __eventsystem_event_handler(GDBusConnection *connection,
 458                 const gchar *sender_name, const gchar *object_path,
 459                 const gchar *interface_name, const gchar *signal_name,
 460                 GVariant *parameters, gpointer user_data)
 461 {
 462         int len;
 463         eventmap_s em;
 464         GList *cb_list = NULL;
 465         bundle *buf = NULL;
 466         bundle_raw *raw = NULL;
 467
 468         em.interface_name = (char *)interface_name;
 469         em.member_name = (char *)signal_name;
 470
 471         _D("sender_name(%s), interface_name(%s), signal_name(%s)",
 472                 sender_name, interface_name, signal_name);
 473
 474         cb_list = g_list_find_custom(system_event_list, &em,
 475                 (GCompareFunc)__event_compare_name_cb);
 476         if (cb_list == NULL)
 477                 return;
 478
 479         g_variant_get(parameters, "(us)", &len, &raw);
 480
 481         buf = bundle_decode((bundle_raw *)raw, len);
 482
 483         em.event_name = ((eventmap_s *)cb_list->data)->event_name;
 484         em.ep_cb = ((eventmap_s *)cb_list->data)->ep_cb;
 485         if (em.ep_cb)
 486                 em.ep_cb(em.event_name, buf, user_data);
 487
 488         bundle_free_encoded_rawdata(&raw);
 489         bundle_free(buf);
 490 }
 491
 492 static void __eventsystem_application_event_handler(int sender_pid,
 493                 const gchar *interface_name, const gchar *signal_name,
 494                 GVariant *parameters, gpointer user_data)
 495 {
 496         GList *cb_list = NULL;
 497         eventmap_s em;
 498         bundle_raw *raw = NULL;
 499         int len;
 500
 501         em.interface_name = (char *)interface_name;
 502         em.member_name = (char *)signal_name;
 503
 504         cb_list = g_list_find_custom(system_event_list, &em,
 505                 (GCompareFunc)__event_compare_name_cb);
 506
 507         if (cb_list == NULL) {
 508                 _E("not interested event");
 509                 return;
 510         }
 511
 512         em.event_name = ((eventmap_s *)cb_list->data)->event_name;
 513
 514         if (sender_pid > 0 && __check_interface_validation_user((char *)interface_name)) {
 515                 if (__check_validation_usrevent_sender(sender_pid,
 516                         (const char *)interface_name, em.event_name) < 0) {
 517                         _E("invalid sender");
 518                         return;
 519                 }
 520         }
 521
 522         g_variant_get(parameters, "(us)", &len, &raw);
 523         em.es_cb = ((eventmap_s *)cb_list->data)->es_cb;
 524         if (em.es_cb)
 525                 em.es_cb(em.event_name, raw, len, user_data);
 526
 527         bundle_free_encoded_rawdata(&raw);
 528 }
 529
 530 /**
 531  * application-use filter for user-event
 532  */
 533 static void __eventsystem_filter_userevent_for_application(GDBusConnection *connection,
 534                 const gchar *sender_name, const gchar *object_path,
 535                 const gchar *interface_name, const gchar *signal_name,
 536                 GVariant *parameters, gpointer user_data)
 537 {
 538         char *sender_id = NULL;
 539         int sender_pid = -1;
 540
 541         _D("sender_name(%s), interface_name(%s)", sender_name, interface_name);
 542
 543         if (filter_tbl == NULL)
 544                 filter_tbl = g_hash_table_new(g_str_hash, g_str_equal);
 545
 546         sender_id = (char *)g_hash_table_lookup(filter_tbl, interface_name);
 547         if (sender_id == NULL) {
 548                 sender_pid = __eventsystem_get_sender_pid(connection, sender_name);
 549                 if (sender_pid <= 0) {
 550                         _E("failed to get pid of sender(%s)", sender_name);
 551                         return;
 552                 }
 553                 _D("sender_pid(%d)", sender_pid);
 554         }
 555
 556         __eventsystem_application_event_handler(sender_pid, interface_name,
 557                 signal_name, parameters, user_data);
 558 }
 559
 560 /**
 561  * application-use filter for system-event
 562  */
 563 static void __eventsystem_filter_sysevent_for_application(GDBusConnection *connection,
 564                 const gchar *sender_name, const gchar *object_path,
 565                 const gchar *interface_name, const gchar *signal_name,
 566                 GVariant *parameters, gpointer user_data)
 567 {
 568         _D("sender_name(%s), interface_name(%s)", sender_name, interface_name);
 569
 570         __eventsystem_application_event_handler(-1, interface_name,
 571                 signal_name, parameters, user_data);
 572 }
 573
 574 /**
 575  * internal-use filter for user-event
 576  */
 577 static void __eventsystem_filter_userevent_for_internal(GDBusConnection *connection,
 578                 const gchar *sender_name, const gchar *object_path,
 579                 const gchar *interface_name, const gchar *signal_name,
 580                 GVariant *parameters, gpointer user_data)
 581 {
 582         _D("sender_name(%s), interface_name(%s), signal_name(%s)",
 583                 sender_name, interface_name, signal_name);
 584
 585         __eventsystem_event_handler(connection, sender_name,
 586                 object_path, interface_name, signal_name, parameters, user_data);
 587 }
 588
 589 /**
 590  * internal-use filter for system-event
 591  */
 592 static void __eventsystem_filter_sysevent_for_internal(GDBusConnection *connection,
 593                 const gchar *sender_name, const gchar *object_path,
 594                 const gchar *interface_name, const gchar *signal_name,
 595                 GVariant *parameters, gpointer user_data)
 596 {
 597         _D("sender_name(%s), interface_name(%s), signal_name(%s)",
 598                 sender_name, interface_name, signal_name);
 599
 600         __eventsystem_event_handler(connection, sender_name,
 601                 object_path, interface_name, signal_name, parameters, user_data);
 602 }
 603
 604 static int __eventsystem_register_event_internal(const char *event_name,
 605                 eventmap_s **em_s, void *user_data)
 606 {
 607         eventmap_s *em = NULL;
 608         char *interface_name = NULL;
 609         char *object_path = NULL;
 610         char *member_name = NULL;
 611         char *sender_name = NULL;
 612         GDBusSignalCallback filter;
 613         GBusType bus_type;
 614         guint subscription_id = 0;
 615         int ret = 0;
 616         int evt_type = ES_TYPE_UNKNOWN;
 617         GDBusConnection *conn = NULL;
 618
 619         if (__check_eventname_validation_system((char *)event_name)) {
 620                 evt_type = ES_TYPE_SYSTEM;
 621         } else if (__check_eventname_validation_user((char *)event_name)) {
 622                 evt_type = ES_TYPE_USER;
 623         } else {
 624                 evt_type = ES_TYPE_UNKNOWN;
 625                 _E("unknown type event(%s)", event_name);
 626                 return ES_R_EINVAL;
 627         }
 628
 629         if (evt_type == ES_TYPE_SYSTEM) {
 630                 interface_name = strdup(SYS_EVENT_NAME_PREFIX);
 631                 if (interface_name == NULL) {
 632                         _E("out of memory");
 633                         ret = ES_R_ENOMEM;
 634                         goto out_1;
 635                 }
 636
 637                 member_name = __get_member_name_from_eventname((char *)event_name);
 638                 if (member_name == NULL) {
 639                         _E("invalid member_name");
 640                         ret = ES_R_ERROR;
 641                         goto out_2;
 642                 }
 643
 644                 if (!g_dbus_is_member_name(member_name)) {
 645                         _E("invalid member name");
 646                         ret = ES_R_EINVAL;
 647                         goto out_3;
 648                 }
 649                 filter = __eventsystem_filter_sysevent_for_internal;
 650         } else {
 651                 interface_name = __get_encoded_interface_name((char *)event_name);
 652                 if (!interface_name) {
 653                         _E("interface_name is NULL");
 654                         ret = ES_R_ERROR;
 655                         goto out_1;
 656                 }
 657                 if (!g_dbus_is_interface_name(interface_name)) {
 658                         _E("invalid interface_name(%s)", interface_name);
 659                         ret = ES_R_EINVAL;
 660                         goto out_2;
 661                 }
 662                 member_name = strdup(EVENT_SYSTEM_MEMBER);
 663                 if (!member_name) {
 664                         _E("out_of_memory");
 665                         ret = ES_R_ERROR;
 666                         goto out_2;
 667                 }
 668                 filter = __eventsystem_filter_userevent_for_internal;
 669         }
 670
 671         object_path = __get_object_path(interface_name);
 672         if (!object_path) {
 673                 _E("object_path is NULL");
 674                 ret = ES_R_ERROR;
 675                 goto out_3;
 676         }
 677         sender_name = NULL;
 678
 679         bus_type = G_BUS_TYPE_SYSTEM;
 680
 681         if (__get_gdbus_shared_connection(&conn, bus_type, evt_type) < 0) {
 682                 _E("getting gdbus-connetion error");
 683                 goto out_4;
 684         }
 685
 686         subscription_id = g_dbus_connection_signal_subscribe(conn,
 687                 sender_name, /* sender */
 688                 interface_name,
 689                 member_name, /* member */
 690                 object_path, /* object_path */
 691                 NULL, /* arg0 */
 692                 G_DBUS_SIGNAL_FLAGS_NONE,
 693                 filter,
 694                 user_data,
 695                 NULL); /* user_data_free_func */
 696
 697         _D("event_name(%s), interface_name(%s)", event_name, interface_name);
 698         _D("member_name(%s), subscription_id(%d), bus_type(%d)",
 699                 member_name, subscription_id, bus_type);
 700
 701         if (subscription_id != 0) {
 702                 em = calloc(1, sizeof(eventmap_s));
 703                 if (!em) {
 704                         _E("memory alloc failed");
 705                         ret = ES_R_ENOMEM;
 706                 } else {
 707                         em->interface_name = strdup(interface_name);
 708                         em->member_name = strdup(member_name);
 709                         em->event_name = strdup(event_name);
 710                         em->bus_type = bus_type;
 711                         em->reg_id = subscription_id;
 712                         em->event_type = evt_type;
 713
 714                         if (!em->interface_name || !em->member_name || !em->event_name) {
 715                                 _E("out_of_memory");
 716                                 FREE_AND_NULL(em->interface_name);
 717                                 FREE_AND_NULL(em->member_name);
 718                                 FREE_AND_NULL(em->event_name);
 719                                 FREE_AND_NULL(em);
 720                                 ret = ES_R_ENOMEM;
 721                                 goto out_4;
 722                         }
 723
 724                         *em_s = em;
 725                         ret = ES_R_OK;
 726                 }
 727         } else {
 728                 _D("dbus subscribe: error(%d), event(%s)", subscription_id, event_name);
 729                 ret = ES_R_ERROR;
 730         }
 731
 732 out_4:
 733         FREE_AND_NULL(object_path);
 734 out_3:
 735         FREE_AND_NULL(member_name);
 736 out_2:
 737         FREE_AND_NULL(interface_name);
 738 out_1:
 739         if (conn)
 740                 g_object_unref(conn);
 741
 742         return ret;
 743 }
 744
 745 /**
 746  * function : register the event
 747  */
 748 int eventsystem_register_event(const char *event_name, unsigned int *reg_id,
 749                 eventsystem_handler callback, void *user_data)
 750 {
 751         eventmap_s *em = NULL;
 752         int ret = ES_R_ERROR;
 753
 754         retvm_if(!g_dbus_is_interface_name(event_name), ES_R_EINVAL,
 755                 "Invalid argument : event_name(%s)", event_name);
 756         retvm_if(!reg_id, ES_R_EINVAL, "Invalid argument : reg_id");
 757         retvm_if(!callback, ES_R_EINVAL, "Invalid argument : callback");
 758
 759         if (!_initialized)
 760                 __initialize();
 761
 762         ret = __eventsystem_register_event_internal(event_name, &em, user_data);
 763         if (ret == ES_R_OK && em) {
 764                 em->ep_cb = callback;
 765                 system_event_list = g_list_append(system_event_list, em);
 766                 *reg_id = em->reg_id;
 767                 ret = ES_R_OK;
 768         } else {
 769                 _E("error, ret(%d), em(%s)", ret, em);
 770         }
 771
 772         return ret;
 773 }
 774
 775 /**
 776  * function : unregister the event
 777  */
 778 int eventsystem_unregister_event(unsigned int reg_id)
 779 {
 780         eventmap_s em;
 781         eventmap_s *em_data = NULL;
 782         GBusType bus_type;
 783         GList *cb_list = NULL;
 784         GDBusConnection *conn = NULL;
 785         eventsystem_event_type evt_type;
 786
 787         retvm_if(reg_id == 0, ES_R_EINVAL, "Invalid argument : reg_id");
 788
 789         if (!_initialized)
 790                 __initialize();
 791
 792         em.reg_id = reg_id;
 793         cb_list = g_list_find_custom(system_event_list, &em,
 794                 (GCompareFunc)__event_compare_reg_id_cb);
 795         if (cb_list) {
 796                 em_data = (eventmap_s *)cb_list->data;
 797
 798                 bus_type = em_data->bus_type;
 799                 evt_type = em_data->event_type;
 800
 801                 _D("unsubscribe: reg_id(%d), bus_type(%d)", reg_id, bus_type);
 802
 803                 if (__get_gdbus_shared_connection(&conn, bus_type, evt_type) < 0) {
 804                         _E("getting gdbus-connetion error");
 805                         return ES_R_ERROR;
 806                 }
 807                 g_dbus_connection_signal_unsubscribe(conn, reg_id);
 808
 809                 system_event_list = g_list_remove(system_event_list, cb_list->data);
 810
 811                 FREE_AND_NULL(em_data->interface_name);
 812                 FREE_AND_NULL(em_data->member_name);
 813                 FREE_AND_NULL(em_data->event_name);
 814                 FREE_AND_NULL(em_data);
 815                 g_object_unref(conn);
 816         }
 817
 818         return ES_R_OK;
 819 }
 820
 821 static int __eventsystem_send_event(GDBusConnection *conn, eventinfo_s *evti, bundle *data)
 822 {
 823         GError *error = NULL;
 824         GVariant *param = NULL;
 825         gboolean ret;
 826
 827         bundle_raw *raw = NULL;
 828         bundle *buf = data;
 829         int len;
 830
 831         bundle_encode(buf, &raw, &len);
 832
 833         param = g_variant_new("(us)", len, raw);
 834         ret = g_dbus_connection_emit_signal(conn,
 835                 evti->destination_name,
 836                 evti->object_path,
 837                 evti->interface_name,
 838                 evti->member_name,
 839                 param,
 840                 &error);
 841
 842         _D("interface_name(%s)", evti->interface_name);
 843         _D("object_path(%s)", evti->object_path);
 844         _D("member_name(%s)", evti->member_name);
 845
 846         bundle_free_encoded_rawdata(&raw);
 847
 848         if (ret == FALSE) {
 849                 _E("Unable to connect to dbus: %s", error->message);
 850                 g_error_free(error);
 851                 return ES_R_ERROR;
 852         }
 853
 854         return ES_R_OK;
 855 }
 856
 857 static void __eventsystem_free_trusted_list(gpointer data)
 858 {
 859         char *name = (char *)data;
 860
 861         FREE_AND_NULL(name);
 862 }
 863
 864 static int __eventsystem_send_trusted_event(GDBusConnection *conn, eventinfo_s *evti,
 865                 bundle *data, GList *dest_list)
 866 {
 867         GList *tmp_list = NULL;
 868         int ret = 0;
 869         char *dest_name;
 870
 871         if (dest_list) {
 872                 tmp_list = g_list_first(dest_list);
 873
 874                 while (tmp_list != NULL) {
 875                         dest_name = (char *)tmp_list->data;
 876                         if (dest_name && dest_name[0] != '\0') {
 877                                 _D("dest_name(%s)", dest_name);
 878                                 evti->destination_name = dest_name;
 879                                 ret = __eventsystem_send_event(conn, evti, data);
 880                                 if (ret != ES_R_OK) {
 881                                         _E("send error");
 882                                         ret = ES_R_ERROR;
 883                                         break;
 884                                 }
 885                         }
 886                         tmp_list = g_list_next(tmp_list);
 887                 }
 888                 g_list_free_full(dest_list, __eventsystem_free_trusted_list);
 889         } else {
 890                 _E("dest_list is null");
 891         }
 892
 893         return ES_R_OK;
 894 }
 895
 896 /**
 897  * function : send the user-event
 898  */
 899 int eventsystem_send_user_event(const char *event_name, bundle *data, bool is_trusted)
 900 {
 901         int ret = 0;
 902         eventinfo_s *evti = NULL;
 903
 904         /* check validation */
 905         retvm_if(!event_name, ES_R_EINVAL, "Invalid argument : event_name is NULL");
 906         retvm_if(!data, ES_R_EINVAL, "Invalid argument : data is NULL");
 907         retvm_if(!__check_eventname_validation_user((char *)event_name), ES_R_EINVAL,
 908                 "Invalid argument : event_name(%s)", event_name);
 909
 910         if (!__check_validation_user_defined_name(event_name)) {
 911                 _E("Invalid event name(%s)", event_name);
 912                 return ES_R_EINVAL;
 913         }
 914
 915         evti = calloc(1, sizeof(eventinfo_s));
 916         if (!evti) {
 917                 _E("memory alloc failed");
 918                 return ES_R_ENOMEM;
 919         }
 920         evti->event_name = strdup(event_name);
 921         if (!evti->event_name) {
 922                 _E("memory alloc failed");
 923                 ret = ES_R_ENOMEM;
 924                 goto out_1;
 925         }
 926
 927         evti->interface_name = __get_encoded_interface_name(evti->event_name);
 928         if (!evti->interface_name) {
 929                 _E("interface_name is NULL");
 930                 ret = ES_R_ERROR;
 931                 goto out_2;
 932         }
 933         evti->member_name = strdup(EVENT_SYSTEM_MEMBER);
 934         if (!evti->member_name) {
 935                 _E("memory alloc failed");
 936                 ret = ES_R_ENOMEM;
 937                 goto out_3;
 938         }
 939
 940         evti->object_path = __get_object_path(evti->interface_name);
 941         if (!evti->object_path) {
 942                 _E("object_path is NULL");
 943                 ret = ES_R_ERROR;
 944                 goto out_4;
 945         }
 946
 947         evti->destination_name = NULL;
 948         evti->is_user_event = true;
 949
 950         GDBusConnection *conn = NULL;
 951         if (__get_gdbus_shared_connection(&conn, G_BUS_TYPE_SESSION, ES_TYPE_USER) == ES_R_OK) {
 952                 if (is_trusted) {
 953                         GList *dest_list = NULL;
 954                         ret = __eventsystem_requet_destination_list(evti->event_name, &dest_list);
 955                         if (ret < 0) {
 956                                 _E("failed to get dest list");
 957                                 ret = ES_R_ERROR;
 958                         } else {
 959                                 ret = __eventsystem_send_trusted_event(conn, evti,
 960                                         data, dest_list);
 961                         }
 962                 } else {
 963                         ret = __eventsystem_send_event(conn, evti, data);
 964                 }
 965         } else {
 966                 _E("getting gdbus-connetion error");
 967                 ret = ES_R_ERROR;
 968         }
 969
 970         if (conn)
 971                 g_object_unref(conn);
 972
 973         FREE_AND_NULL(evti->object_path);
 974 out_4:
 975         FREE_AND_NULL(evti->member_name);
 976 out_3:
 977         FREE_AND_NULL(evti->interface_name);
 978 out_2:
 979         FREE_AND_NULL(evti->event_name);
 980 out_1:
 981         FREE_AND_NULL(evti);
 982
 983         return ret;
 984 }
 985
 986 /**
 987  * function : send the system-event
 988  */
 989 int eventsystem_send_system_event(const char *event_name, bundle *data)
 990 {
 991         int ret = 0;
 992         eventinfo_s *evti = NULL;
 993         GDBusConnection *conn = NULL;
 994
 995         pthread_mutex_lock(&send_sync_lock);
 996
 997         /* check validation */
 998         tryvm_if(!event_name, ret = ES_R_EINVAL, "Invalid argument : event_name is NULL");
 999         tryvm_if(!data, ret = ES_R_EINVAL, "Invalid argument : data is NULL");
1000         tryvm_if(!__check_eventname_validation_system((char *)event_name), ret = ES_R_EINVAL,
1001                 "Invalid argument : event_name(%s)", event_name);
1002         tryvm_if(!g_dbus_is_interface_name(event_name), ret = ES_R_EINVAL,
1003                 "Invalid argument : event_name(%s)", event_name);
1004
1005         _D("event_name(%s)", event_name);
1006
1007         evti = calloc(1, sizeof(eventinfo_s));
1008         if (!evti) {
1009                 _E("memory alloc failed");
1010                 pthread_mutex_unlock(&send_sync_lock);
1011                 return ES_R_ENOMEM;
1012         }
1013         evti->event_name = strdup(event_name);
1014         if (!evti->event_name) {
1015                 _E("out_of_memory");
1016                 ret = ES_R_ENOMEM;
1017                 goto out_1;
1018         }
1019         evti->interface_name = strdup(SYS_EVENT_NAME_PREFIX);
1020         if (!evti->interface_name) {
1021                 _E("out of memory");
1022                 ret = ES_R_ENOMEM;
1023                 goto out_2;
1024         }
1025         evti->member_name = __get_member_name_from_eventname(evti->event_name);
1026         if (!evti->member_name) {
1027                 _E("member_name is NULL");
1028                 ret = ES_R_ERROR;
1029                 goto out_3;
1030         }
1031         if (!g_dbus_is_member_name(evti->member_name)) {
1032                 _E("Invalid member_name(%s)", evti->member_name);
1033                 ret = ES_R_EINVAL;
1034                 goto out_4;
1035         }
1036         evti->object_path = __get_object_path(evti->interface_name);
1037         if (!evti->object_path) {
1038                 _E("object_path is NULL");
1039                 ret = ES_R_ERROR;
1040                 goto out_4;
1041         }
1042         evti->destination_name = NULL;
1043         evti->is_user_event = false;
1044
1045         if (__get_gdbus_shared_connection(&conn, G_BUS_TYPE_SYSTEM, ES_TYPE_SYSTEM) == ES_R_OK) {
1046                 ret = __eventsystem_send_event(conn, evti, data);
1047         } else {
1048                 _E("getting gdbus-connection error");
1049                 ret = ES_R_ERROR;
1050         }
1051
1052         if (conn)
1053                 g_object_unref(conn);
1054
1055         FREE_AND_NULL(evti->object_path);
1056 out_4:
1057         FREE_AND_NULL(evti->member_name);
1058 out_3:
1059         FREE_AND_NULL(evti->interface_name);
1060 out_2:
1061         FREE_AND_NULL(evti->event_name);
1062 out_1:
1063         FREE_AND_NULL(evti);
1064
1065 catch:
1066         pthread_mutex_unlock(&send_sync_lock);
1067
1068         return ret;
1069 }
1070
1071 /**
1072  * function : request sending the event
1073  */
1074 int eventsystem_request_sending_system_event(const char *event_name, bundle *data)
1075 {
1076         int ret = 0;
1077         GDBusConnection *conn = NULL;
1078         GError *error = NULL;
1079         GDBusProxy *proxy = NULL;
1080         GVariant *param = NULL;
1081         GVariant *value = NULL;
1082         gint result = 0;
1083         bundle_raw *raw = NULL;
1084         int len = 0;
1085
1086         _D("event_name(%s)", event_name);
1087
1088         if (!_initialized)
1089                 __initialize();
1090
1091         if (__get_gdbus_shared_connection(&conn, G_BUS_TYPE_SYSTEM, ES_TYPE_SYSTEM) < 0) {
1092                 _E("getting gdbus-connetion error");
1093                 ret = ES_R_ERROR;
1094                 goto out_1;
1095         }
1096
1097         proxy = g_dbus_proxy_new_sync(conn,
1098                 G_DBUS_PROXY_FLAGS_NONE, NULL,
1099                 ESD_BUS_NAME, ESD_OBJECT_PATH, ESD_INTERFACE_NAME,
1100                 NULL, &error);
1101         if (proxy == NULL) {
1102                 _E("failed to create new proxy, error(%s)", error->message);
1103                 g_error_free(error);
1104                 ret = ES_R_ERROR;
1105                 goto out_1;
1106         }
1107
1108         bundle_encode(data, &raw, &len);
1109
1110         param = g_variant_new("(ssi)", event_name, raw, len);
1111         value = g_dbus_proxy_call_sync(proxy, "RequestSendingEvent", param,
1112                 G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
1113         if (error != NULL) {
1114                 _E("proxy call sync error(%s)", error->message);
1115                 g_error_free(error);
1116                 ret = ES_R_ERROR;
1117                 goto out_2;
1118         }
1119
1120         g_variant_get(value, "(i)", &result);
1121
1122         _D("result(%d)", result);
1123
1124         ret = ES_R_OK;
1125
1126 out_2:
1127         g_variant_unref(value);
1128 out_1:
1129         if (conn)
1130                 g_object_unref(conn);
1131
1132         return ret;
1133 }
1134
1135 static int __eventsystem_check_sender_validation(int sender_pid, const char *event_name,
1136                 char **sender_id)
1137 {
1138         int ret = ES_R_EINVAL;
1139         GDBusConnection *conn = NULL;
1140         GError *error = NULL;
1141         GDBusProxy *proxy = NULL;
1142         GVariant *param = NULL;
1143         GVariant *value = NULL;
1144         gint result = 0;
1145
1146         if (!_initialized)
1147                 __initialize();
1148
1149         if (__get_gdbus_shared_connection(&conn, G_BUS_TYPE_SYSTEM, ES_TYPE_SYSTEM) < 0) {
1150                 _E("getting gdbus-connetion error");
1151                 ret = ES_R_ERROR;
1152                 goto out_1;
1153         }
1154
1155         proxy = g_dbus_proxy_new_sync(conn,
1156                 G_DBUS_PROXY_FLAGS_NONE, NULL,
1157                 ESD_BUS_NAME, ESD_OBJECT_PATH, ESD_INTERFACE_NAME,
1158                 NULL, &error);
1159         if (proxy == NULL) {
1160                 _E("failed to create new proxy, error(%s)", error->message);
1161                 g_error_free(error);
1162                 ret = ES_R_ERROR;
1163                 goto out_1;
1164         }
1165
1166         param = g_variant_new("(is)", sender_pid, event_name);
1167         value = g_dbus_proxy_call_sync(proxy, "CheckSenderValidation", param,
1168                 G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
1169         if (error != NULL) {
1170                 _E("proxy call sync error(%s)", error->message);
1171                 g_error_free(error);
1172                 ret = ES_R_ERROR;
1173                 goto out_2;
1174         }
1175
1176         g_variant_get(value, "(is)", &result, sender_id);
1177
1178         _D("result(%d)", result);
1179
1180         if (result == 1)
1181                 ret = ES_R_OK;
1182 out_2:
1183         g_variant_unref(value);
1184 out_1:
1185         if (conn)
1186                 g_object_unref(conn);
1187
1188         return ret;
1189 }
1190
1191 static int __eventsystem_check_user_send_validation(const char *event_name)
1192 {
1193         int ret = ES_R_EINVAL;
1194         GDBusConnection *conn = NULL;
1195         GError *error = NULL;
1196         GDBusProxy *proxy = NULL;
1197         GVariant *param = NULL;
1198         GVariant *value = NULL;
1199         gint result = 0;
1200
1201         if (!_initialized)
1202                 __initialize();
1203
1204         if (__get_gdbus_shared_connection(&conn, G_BUS_TYPE_SYSTEM, ES_TYPE_SYSTEM) < 0) {
1205                 _E("getting gdbus-connetion error");
1206                 ret = ES_R_ERROR;
1207                 goto out_1;
1208         }
1209
1210         proxy = g_dbus_proxy_new_sync(conn,
1211                 G_DBUS_PROXY_FLAGS_NONE, NULL,
1212                 ESD_BUS_NAME, ESD_OBJECT_PATH, ESD_INTERFACE_NAME,
1213                 NULL, &error);
1214         if (proxy == NULL) {
1215                 _E("failed to create new proxy, error(%s)", error->message);
1216                 g_error_free(error);
1217                 ret = ES_R_ERROR;
1218                 goto out_1;
1219         }
1220
1221         param = g_variant_new("(s)", event_name);
1222         value = g_dbus_proxy_call_sync(proxy, "CheckUserSendValidation", param,
1223                 G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
1224         if (error != NULL) {
1225                 _E("proxy call sync error(%s)", error->message);
1226                 g_error_free(error);
1227                 ret = ES_R_ERROR;
1228                 goto out_2;
1229         }
1230
1231         g_variant_get(value, "(i)", &result);
1232
1233         _D("result(%d)", result);
1234
1235         if (result == 1)
1236                 ret = ES_R_OK;
1237 out_2:
1238         g_variant_unref(value);
1239 out_1:
1240         if (conn)
1241                 g_object_unref(conn);
1242
1243         return ret;
1244 }
1245
1246 static int __eventsystem_check_privilege_validation(const char *event_name)
1247 {
1248         int ret = ES_R_ENOTPERMITTED;
1249         GDBusConnection *conn = NULL;
1250         GError *error = NULL;
1251         GDBusProxy *proxy = NULL;
1252         GVariant *param = NULL;
1253         GVariant *value = NULL;
1254         gint result = 0;
1255
1256         if (!_initialized)
1257                 __initialize();
1258
1259         if (__get_gdbus_shared_connection(&conn, G_BUS_TYPE_SYSTEM, ES_TYPE_SYSTEM) < 0) {
1260                 _E("getting gdbus-connetion error");
1261                 ret = ES_R_ERROR;
1262                 goto out_1;
1263         }
1264
1265         proxy = g_dbus_proxy_new_sync(conn,
1266                 G_DBUS_PROXY_FLAGS_NONE, NULL,
1267                 ESD_BUS_NAME, ESD_OBJECT_PATH, ESD_INTERFACE_NAME,
1268                 NULL, &error);
1269         if (proxy == NULL) {
1270                 _E("failed to create new proxy, error(%s)", error->message);
1271                 g_error_free(error);
1272                 ret = ES_R_ERROR;
1273                 goto out_1;
1274         }
1275
1276         param = g_variant_new("(s)", event_name);
1277         value = g_dbus_proxy_call_sync(proxy, "CheckPrivilegeValidation", param,
1278                 G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
1279         if (error != NULL) {
1280                 _E("proxy call sync error(%s)", error->message);
1281                 g_error_free(error);
1282                 ret = ES_R_ERROR;
1283                 goto out_2;
1284         }
1285
1286         g_variant_get(value, "(i)", &result);
1287
1288         _D("result(%d)", result);
1289
1290         if (result == 1)
1291                 ret = ES_R_OK;
1292 out_2:
1293         g_variant_unref(value);
1294 out_1:
1295         if (conn)
1296                 g_object_unref(conn);
1297
1298         return ret;
1299 }
1300
1301 static int __eventsystem_setup_trusted_peer(const char *event_name, const char *dest_bus_name)
1302 {
1303         int ret = ES_R_ERROR;
1304         GDBusConnection *conn = NULL;
1305         GError *error = NULL;
1306         GDBusProxy *proxy = NULL;
1307         GVariant *param = NULL;
1308         GVariant *value = NULL;
1309         gint result = 0;
1310
1311         if (!_initialized)
1312                 __initialize();
1313
1314         if (__get_gdbus_shared_connection(&conn, G_BUS_TYPE_SYSTEM, ES_TYPE_SYSTEM) < 0) {
1315                 _E("getting gdbus-connetion error");
1316                 ret = ES_R_ERROR;
1317                 goto out_1;
1318         }
1319
1320         proxy = g_dbus_proxy_new_sync(conn,
1321                 G_DBUS_PROXY_FLAGS_NONE, NULL,
1322                 ESD_BUS_NAME, ESD_OBJECT_PATH, ESD_INTERFACE_NAME,
1323                 NULL, &error);
1324         if (proxy == NULL) {
1325                 _E("failed to create new proxy, error(%s)", error->message);
1326                 g_error_free(error);
1327                 ret = ES_R_ERROR;
1328                 goto out_1;
1329         }
1330
1331         param = g_variant_new("(ss)", event_name, dest_bus_name);
1332         value = g_dbus_proxy_call_sync(proxy, "SetupTrustedPeer", param,
1333                 G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
1334         if (error != NULL) {
1335                 _E("proxy call sync error(%s)", error->message);
1336                 g_error_free(error);
1337                 ret = ES_R_ERROR;
1338                 goto out_2;
1339         }
1340
1341         g_variant_get(value, "(i)", &result);
1342
1343         _D("result(%d)", result);
1344
1345         if (result == 1)
1346                 ret = ES_R_OK;
1347 out_2:
1348         g_variant_unref(value);
1349 out_1:
1350         if (conn)
1351                 g_object_unref(conn);
1352
1353         return ret;
1354 }
1355
1356 static int __eventsystem_requet_destination_list(const char *event_name, GList **dest_list)
1357 {
1358         int ret = ES_R_ERROR;
1359         GDBusConnection *conn = NULL;
1360         GError *error = NULL;
1361         GDBusProxy *proxy = NULL;
1362         GVariant *param = NULL;
1363         GVariant *value = NULL;
1364         GVariantIter *iter;
1365         gchar *str;
1366         char *dest_name = NULL;
1367         gint result = 0;
1368
1369         if (!_initialized)
1370                 __initialize();
1371
1372         if (__get_gdbus_shared_connection(&conn, G_BUS_TYPE_SYSTEM, ES_TYPE_SYSTEM) < 0) {
1373                 _E("getting gdbus-connetion error");
1374                 ret = ES_R_ERROR;
1375                 goto out_1;
1376         }
1377
1378         proxy = g_dbus_proxy_new_sync(conn,
1379                 G_DBUS_PROXY_FLAGS_NONE, NULL,
1380                 ESD_BUS_NAME, ESD_OBJECT_PATH, ESD_INTERFACE_NAME,
1381                 NULL, &error);
1382         if (proxy == NULL) {
1383                 _E("failed to create new proxy, error(%s)", error->message);
1384                 g_error_free(error);
1385                 ret = ES_R_ERROR;
1386                 goto out_1;
1387         }
1388
1389         param = g_variant_new("(s)", event_name);
1390         value = g_dbus_proxy_call_sync(proxy, "GetTrustedPeerList", param,
1391                 G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
1392         if (error != NULL) {
1393                 _E("proxy call sync error(%s)", error->message);
1394                 g_error_free(error);
1395                 ret = ES_R_ERROR;
1396                 goto out_2;
1397         }
1398
1399         g_variant_get(value, "(ias)", &result, &iter);
1400
1401         _D("result(%d)", result);
1402
1403         if (result == 1) {
1404                 ret = ES_R_OK;
1405                 while (g_variant_iter_loop(iter, "s", &str)) {
1406                         dest_name = strdup((char *)str);
1407                         if (dest_name) {
1408                                 _D("dest name(%s)", str);
1409                                 *dest_list = g_list_append(*dest_list, dest_name);
1410                         } else {
1411                                 _E("out of memory");
1412                                 ret = ES_R_ENOMEM;
1413                                 break;
1414                         }
1415                 }
1416         }
1417         g_variant_iter_free(iter);
1418
1419 out_2:
1420         g_variant_unref(value);
1421 out_1:
1422         if (conn)
1423                 g_object_unref(conn);
1424
1425         return ret;
1426 }
1427
1428 #ifdef APPFW_EVENT_SYSTEM_EARLIER_FEATURE
1429 static int __eventsystem_request_earlier_data(const char *event_name,
1430                 eventsystem_cb callback, void *user_data)
1431 {
1432         int ret = 0;
1433         GDBusConnection *conn = NULL;
1434         GError *error = NULL;
1435         GDBusProxy *proxy = NULL;
1436         GVariant *param = NULL;
1437         GVariant *value = NULL;
1438         gint result = 0;
1439         bundle_raw *raw = NULL;
1440         int len = 0;
1441
1442         if (!_initialized)
1443                 __initialize();
1444
1445         if (__get_gdbus_shared_connection(&conn, G_BUS_TYPE_SYSTEM, ES_TYPE_SYSTEM) < 0) {
1446                 _E("getting gdbus-connetion error");
1447                 ret = ES_R_ERROR;
1448                 goto out_1;
1449         }
1450
1451         proxy = g_dbus_proxy_new_sync(conn,
1452                 G_DBUS_PROXY_FLAGS_NONE, NULL,
1453                 ESD_BUS_NAME, ESD_OBJECT_PATH, ESD_INTERFACE_NAME,
1454                 NULL, &error);
1455
1456         if (proxy == NULL) {
1457                 _E("failed to create new proxy, error(%s)", error->message);
1458                 g_error_free(error);
1459                 ret = ES_R_ERROR;
1460                 goto out_1;
1461         }
1462
1463         param = g_variant_new("(s)", event_name);
1464         value = g_dbus_proxy_call_sync(proxy, "GetEarlierData", param,
1465                 G_DBUS_CALL_FLAGS_NONE, -1, NULL, &error);
1466         if (error != NULL) {
1467                 _E("proxy call sync error(%s)", error->message);
1468                 g_error_free(error);
1469                 ret = ES_R_ERROR;
1470                 goto out_2;
1471         }
1472
1473         g_variant_get(value, "(iis)", &result, &len, &raw);
1474         g_variant_unref(value);
1475
1476         _D("result(%d), len(%d)", result, len);
1477
1478         if (!result && raw && len > 0) {
1479                 callback(event_name, raw, len, user_data);
1480                 bundle_free_encoded_rawdata(&raw);
1481         }
1482
1483         ret = ES_R_OK;
1484
1485 out_2:
1486         g_variant_unref(value);
1487 out_1:
1488         if (conn)
1489                 g_object_unref(conn);
1490
1491         return ret;
1492 }
1493 #endif
1494
1495 int eventsystem_register_application_event(const char *event_name, unsigned int *reg_id,
1496                 int *event_type, eventsystem_cb callback, void *user_data)
1497 {
1498         eventmap_s *em;
1499         char *interface_name = NULL;
1500         char *object_path = NULL;
1501         char *member_name = NULL;
1502         char *sender_name = NULL;
1503         GDBusSignalCallback filter;
1504         GBusType bus_type;
1505         guint  subscription_id  = 0;
1506         int ret = 0;
1507         GDBusConnection *conn = NULL;
1508
1509         if (!_initialized)
1510                 __initialize();
1511
1512         if (__check_eventname_validation_system((char *)event_name)) {
1513                 if (__eventsystem_check_privilege_validation(event_name) != ES_R_OK) {
1514                         _E("invalid privilege(%s)", event_name);
1515                         return ES_R_ENOTPERMITTED;
1516                 }
1517                 *event_type = ES_TYPE_SYSTEM;
1518         } else if (__check_eventname_validation_user((char *)event_name)) {
1519                 *event_type = ES_TYPE_USER;
1520         } else {
1521                 *event_type = ES_TYPE_UNKNOWN;
1522                 _E("unknown type event(%s)", event_name);
1523                 return ES_R_EINVAL;
1524         }
1525
1526         if (*event_type == ES_TYPE_SYSTEM) {
1527                 interface_name = strdup(SYS_EVENT_NAME_PREFIX);
1528                 if (interface_name == NULL) {
1529                         _E("out of memory");
1530                         return ES_R_ENOMEM;
1531                 }
1532                 if (!g_dbus_is_interface_name(interface_name)) {
1533                         _E("invalid interface_name(%s)", interface_name);
1534                         FREE_AND_NULL(interface_name);
1535                         return ES_R_EINVAL;
1536                 }
1537                 member_name = __get_member_name_from_eventname((char *)event_name);
1538                 if (member_name == NULL) {
1539                         _E("member_name is NULL(%s)", event_name);
1540                         FREE_AND_NULL(interface_name);
1541                         return ES_R_ERROR;
1542                 }
1543                 if (!g_dbus_is_member_name(member_name)) {
1544                         _E("Invalid member_name(%s)", member_name);
1545                         FREE_AND_NULL(interface_name);
1546                         FREE_AND_NULL(member_name);
1547                         return ES_R_ERROR;
1548                 }
1549                 filter = __eventsystem_filter_sysevent_for_application;
1550                 bus_type = G_BUS_TYPE_SYSTEM;
1551         } else {
1552                 interface_name = __get_encoded_interface_name((char *)event_name);
1553                 if (!interface_name) {
1554                         _E("interface_name is NULL");
1555                         return ES_R_ERROR;
1556                 }
1557                 if (!g_dbus_is_interface_name(interface_name)) {
1558                         _E("invalid interface_name(%s)", interface_name);
1559                         FREE_AND_NULL(interface_name);
1560                         return ES_R_EINVAL;
1561                 }
1562                 member_name = strdup(EVENT_SYSTEM_MEMBER);
1563                 if (!member_name) {
1564                         _E("out_of_memory");
1565                         FREE_AND_NULL(interface_name);
1566                         return ES_R_ERROR;
1567                 }
1568                 filter = __eventsystem_filter_userevent_for_application;
1569                 bus_type = G_BUS_TYPE_SESSION;
1570         }
1571
1572         object_path = __get_object_path(interface_name);
1573         if (!object_path) {
1574                 _E("failed get object_path");
1575                 FREE_AND_NULL(interface_name);
1576                 FREE_AND_NULL(member_name);
1577                 return ES_R_ERROR;
1578         }
1579         sender_name = NULL;
1580
1581         _D("interface_name(%s), object_path(%s)", interface_name, object_path);
1582         _D(" member_name(%s), sender_name(%s), type(%d), bus_type(%d)",
1583                 member_name, sender_name, *event_type, bus_type);
1584
1585         if (__get_gdbus_shared_connection(&conn, bus_type, *event_type) < 0) {
1586                 _E("getting gdbus-connetion error");
1587                 FREE_AND_NULL(interface_name);
1588                 FREE_AND_NULL(object_path);
1589                 FREE_AND_NULL(member_name);
1590                 return ES_R_ERROR;
1591         }
1592
1593 #ifdef APPFW_EVENT_SYSTEM_EARLIER_FEATURE
1594         __eventsystem_request_earlier_data(event_name, callback, user_data);
1595 #endif
1596
1597         subscription_id = g_dbus_connection_signal_subscribe(conn,
1598                 sender_name, /* sender */
1599                 interface_name,
1600                 member_name, /* member */
1601                 object_path, /* object_path */
1602                 NULL, /* arg0 */
1603                 G_DBUS_SIGNAL_FLAGS_NONE,
1604                 filter,
1605                 user_data,
1606                 NULL); /* user_data_free_func */
1607
1608         _D("event_name(%s), subscription_id(%d)", event_name, subscription_id);
1609
1610         if (subscription_id != 0) {
1611                 em = calloc(1, sizeof(eventmap_s));
1612                 if (!em) {
1613                         _E("memory alloc failed");
1614                         ret = ES_R_ENOMEM;
1615                 } else {
1616                         em->interface_name = strdup(interface_name);
1617                         em->member_name = strdup(member_name);
1618                         em->event_name = strdup(event_name);
1619                         em->es_cb = callback;
1620                         em->bus_type = bus_type;
1621                         em->reg_id = subscription_id;
1622                         em->event_type = *event_type;
1623
1624                         if (!em->interface_name || !em->member_name ||
1625                                 !em->event_name) {
1626                                 _E("out_of_memory");
1627                                 FREE_AND_NULL(em->interface_name);
1628                                 FREE_AND_NULL(em->member_name);
1629                                 FREE_AND_NULL(em->event_name);
1630                                 FREE_AND_NULL(em);
1631                                 ret = ES_R_ENOMEM;
1632                         } else {
1633                                 system_event_list =
1634                                         g_list_append(system_event_list, em);
1635                                 *reg_id = subscription_id;
1636
1637                                 ret = ES_R_OK;
1638
1639                                 if (em->bus_type == G_BUS_TYPE_SESSION &&
1640                                          em->event_type == ES_TYPE_USER) {
1641                                         if (s_info.own_name_session_bus == NULL) {
1642                                                 _E("session bus is not ready");
1643                                                 ret = ES_R_ERROR;
1644                                         } else {
1645                                                 if (__eventsystem_setup_trusted_peer(event_name,
1646                                                         s_info.own_name_session_bus) < 0) {
1647                                                         _E("failed to setup trusted peer");
1648                                                         ret = ES_R_ERROR;
1649                                                 }
1650                                         }
1651                                 }
1652                         }
1653                 }
1654         } else {
1655                 _E("dbus subscribe: error(%d)", subscription_id);
1656                 ret = ES_R_ERROR;
1657         }
1658
1659         FREE_AND_NULL(interface_name);
1660         FREE_AND_NULL(object_path);
1661         FREE_AND_NULL(member_name);
1662         if (conn)
1663                 g_object_unref(conn);
1664
1665         return ret;
1666 }
1667
1668 int eventsystem_unregister_application_event(unsigned int reg_id)
1669 {
1670         eventmap_s em;
1671         eventmap_s *em_data = NULL;
1672         GBusType bus_type;
1673         GList *cb_list = NULL;
1674         GDBusConnection *conn = NULL;
1675         eventsystem_event_type evt_type;
1676
1677         retvm_if(reg_id == 0, ES_R_EINVAL, "Invalid argument : reg_id");
1678
1679         if (!_initialized)
1680                 __initialize();
1681
1682         em.reg_id = reg_id;
1683         cb_list = g_list_find_custom(system_event_list, &em,
1684                 (GCompareFunc)__event_compare_reg_id_cb);
1685         if (cb_list) {
1686                 em_data = (eventmap_s *)cb_list->data;
1687
1688                 bus_type = em_data->bus_type;
1689                 evt_type = em_data->event_type;
1690
1691                 _D("unsubscribe: reg_id(%d), bus_type(%d)", reg_id, bus_type);
1692
1693                 if (__get_gdbus_shared_connection(&conn, bus_type, evt_type) < 0) {
1694                         _E("getting gdbus-connetion error");
1695                         return ES_R_ERROR;
1696                 }
1697                 g_dbus_connection_signal_unsubscribe(conn, reg_id);
1698
1699                 system_event_list = g_list_remove(system_event_list, cb_list->data);
1700
1701                 FREE_AND_NULL(em_data->interface_name);
1702                 FREE_AND_NULL(em_data->member_name);
1703                 FREE_AND_NULL(em_data->event_name);
1704                 FREE_AND_NULL(em_data);
1705                 g_object_unref(conn);
1706         } else {
1707                 _E("not found matched item");
1708                 return ES_R_ERROR;
1709         }
1710
1711         return ES_R_OK;
1712 }
1713
1714 int eventsystem_application_finalize(void)
1715 {
1716         gpointer key;
1717         gpointer value;
1718         GHashTableIter iter;
1719         char *key_item;
1720         char *val_item;
1721
1722         _D("release all resouces");
1723
1724         if (system_event_list)
1725                 g_list_free(system_event_list);
1726
1727         if (check_tbl) {
1728                 g_hash_table_iter_init(&iter, check_tbl);
1729
1730                 while (g_hash_table_iter_next(&iter, &key, &value)) {
1731                         val_item = (char *)value;
1732                         if (val_item)
1733                                 free(val_item);
1734                         else
1735                                 _E("check_tbl, val_item is NULL");
1736                         g_hash_table_iter_remove(&iter);
1737                 }
1738                 g_hash_table_unref(check_tbl);
1739         }
1740
1741         if (filter_tbl) {
1742                 g_hash_table_iter_init(&iter, filter_tbl);
1743
1744                 while (g_hash_table_iter_next(&iter, &key, &value)) {
1745                         key_item = (char *)key;
1746                         if (key_item)
1747                                 free(key_item);
1748                         else
1749                                 _E("filter_tbl, key_item is NULL");
1750
1751                         val_item = (char *)value;
1752                         if (val_item)
1753                                 free(val_item);
1754                         else
1755                                 _E("filter_tbl, val_item is NULL");
1756
1757                         g_hash_table_iter_remove(&iter);
1758                 }
1759                 g_hash_table_unref(filter_tbl);
1760         }
1761
1762         FREE_AND_NULL(s_info.own_name_system_bus);
1763         FREE_AND_NULL(s_info.own_name_session_bus);
1764
1765         return 0;
1766 }