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