src/message-port.c

   1 /*
   2  * Message Port
   3  * Copyright (c) 2015 Samsung Electronics Co., Ltd.
   4  *
   5  * Licensed under the Apache License, Version 2.0 (the License);
   6  * you may not use this file except in compliance with the License.
   7  * You may obtain a copy of the License at
   8  *
   9  *     http://www.apache.org/licenses/LICENSE-2.0
  10  *
  11  * Unless required by applicable law or agreed to in writing, software
  12  * distributed under the License is distributed on an "AS IS" BASIS,
  13  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  14  * See the License for the specific language governing permissions and
  15  * limitations under the License.
  16  */
  17
  18 /**
  19  * @file        message-port.cpp
  20  * @brief       This is the implementation file for the MessagePort.
  21  */
  22 #define _GNU_SOURCE
  23
  24 #include <sys/socket.h>
  25 #include <stdlib.h>
  26 #include <stdio.h>
  27 #include <glib.h>
  28 #include <gio/gio.h>
  29 #include <aul/aul.h>
  30 #include <openssl/md5.h>
  31 #include <bundle.h>
  32 #include <bundle_internal.h>
  33 #include <pkgmgr-info.h>
  34 #include <aul.h>
  35 #include <gio/gio.h>
  36 #include <gio/gunixfdlist.h>
  37
  38 #include "message-port.h"
  39 #include "message-port-log.h"
  40
  41 #define MAX_PACKAGE_STR_SIZE 512
  42 #define MESSAGEPORT_BUS_NAME_PREFIX "org.tizen.messageport._"
  43 #define MESSAGEPORT_OBJECT_PATH "/org/tizen/messageport"
  44 #define MESSAGEPORT_INTERFACE_PREFIX "org.tizen.messageport._"
  45
  46 #define DBUS_SERVICE_DBUS "org.freedesktop.DBus"
  47 #define DBUS_PATH_DBUS "/org/freedesktop/DBus"
  48 #define DBUS_INTERFACE_DBUS "org.freedesktop.DBus"
  49
  50 #define DBUS_RELEASE_NAME_REPLY_RELEASED        1 /* *< Service was released from the given name */
  51 #define DBUS_RELEASE_NAME_REPLY_NON_EXISTENT    2 /* *< The given name does not exist on the bus */
  52 #define DBUS_RELEASE_NAME_REPLY_NOT_OWNER       3 /* *< Service is not an owner of the given name */
  53 #define HEADER_LEN 8
  54 #define MAX_RETRY_CNT 10
  55 #define SOCK_PAIR_SENDER 0
  56 #define SOCK_PAIR_RECEIVER 1
  57
  58
  59 #define retvm_if(expr, val, fmt, arg...) do { \
  60         if (expr) { \
  61                 _LOGE(fmt, ##arg); \
  62                 _LOGE("(%s) -> %s() return", #expr, __func__); \
  63                 return val; \
  64         } \
  65 } while (0)
  66
  67 #define retv_if(expr, val) do { \
  68         if (expr) { \
  69                 _LOGE("(%s) -> %s() return", #expr, __func__); \
  70                 return val; \
  71         } \
  72 } while (0)
  73
  74 #define FREE_AND_NULL(ptr) do { \
  75         if (ptr) { \
  76                 free((void *)ptr); \
  77                 ptr = NULL; \
  78         } \
  79 } while (0)
  80
  81 static bool _initialized = false;
  82 static GDBusConnection *__gdbus_conn;
  83 static char *__app_id;
  84 static GHashTable *__local_port_info;
  85 static GHashTable *__remote_app_info;
  86 static GHashTable *__sender_appid_hash;
  87 static GHashTable *__trusted_app_list_hash;
  88 static GHashTable *__callback_info_hash;
  89 static const int MAX_MESSAGE_SIZE = 16 * 1024;
  90
  91 enum __certificate_info_type {
  92         UNKNOWN = 0,
  93         CERTIFICATE_MATCH,
  94         CERTIFICATE_NOT_MATCH,
  95 };
  96
  97 typedef struct message_port_pkt {
  98         int remote_port_name_len;
  99         char *remote_port_name;
 100         bool is_bidirection;
 101         bool is_trusted;
 102         int data_len;
 103         unsigned char *data;
 104 } message_port_pkt_s;
 105
 106 typedef struct message_port_callback_info {
 107         messageport_message_cb callback;
 108         int local_id;
 109         char *remote_app_id;
 110         GIOChannel *gio_read;
 111         int g_src_id;
 112 } message_port_callback_info_s;
 113
 114 typedef struct message_port_local_port_info {
 115         messageport_message_cb callback;
 116         bool is_trusted;
 117         char *port_name;
 118         int local_id;
 119 } message_port_local_port_info_s;
 120
 121 typedef struct message_port_remote_port_info {
 122         char *sender_id;
 123         char *remote_app_id;
 124         int certificate_info;
 125         GList *port_list;
 126 } message_port_remote_app_info_s;
 127
 128 typedef struct port_list_info {
 129         char *port_name;
 130         char *encoded_bus_name;
 131         bool is_trusted;
 132         int send_sock_fd;
 133         int watcher_id;
 134         bool exist;
 135         GIOChannel *gio_read;
 136         int g_src_id;
 137 } port_list_info_s;
 138
 139 static void __callback_info_free(gpointer data)
 140 {
 141         message_port_callback_info_s *callback_info = (message_port_callback_info_s *)data;
 142         GError *error = NULL;
 143         if (callback_info == NULL)
 144                 return;
 145
 146         if (callback_info->remote_app_id)
 147                 FREE_AND_NULL(callback_info->remote_app_id);
 148
 149         if (callback_info->gio_read != NULL) {
 150                 g_io_channel_shutdown(callback_info->gio_read, TRUE, &error);
 151                 if (error) {
 152                         _LOGE("g_io_channel_shutdown error : %s", error->message);
 153                         g_error_free(error);
 154                 }
 155                 g_io_channel_unref(callback_info->gio_read);
 156                 callback_info->gio_read = NULL;
 157         }
 158
 159         if (callback_info->g_src_id != 0) {
 160                 g_source_remove(callback_info->g_src_id);
 161                 callback_info->g_src_id = 0;
 162         }
 163
 164         FREE_AND_NULL(callback_info);
 165 }
 166
 167 static void __callback_info_free_by_info(message_port_callback_info_s *callback_info)
 168 {
 169         GList *callback_info_list = g_hash_table_lookup(__callback_info_hash, GUINT_TO_POINTER(callback_info->local_id));
 170         GList *find_list;
 171
 172         if (callback_info_list == NULL)
 173                 return;
 174
 175         find_list = g_list_find(callback_info_list, callback_info);
 176         if (find_list == NULL)
 177                 return;
 178
 179         callback_info_list = g_list_remove_link(callback_info_list, find_list);
 180         __callback_info_free(callback_info);
 181         g_list_free(find_list);
 182 }
 183
 184 static void __hash_destroy_callback_info(gpointer data)
 185 {
 186
 187         GList *callback_list = (GList *)data;
 188         if (callback_list != NULL)
 189                 g_list_free_full(callback_list, __callback_info_free);
 190 }
 191
 192 static char *__get_encoded_name(const char *remote_app_id, const char *port_name, bool is_trusted)
 193 {
 194
 195         int prefix_len = strlen(MESSAGEPORT_BUS_NAME_PREFIX);
 196         int postfix_len = 1;
 197         char *postfix = is_trusted ? "1" : "0";
 198
 199         unsigned char c[MD5_DIGEST_LENGTH] = {0};
 200         char *md5_interface = NULL;
 201         char *temp;
 202         int index = 0;
 203         MD5_CTX mdContext;
 204         int encoded_bus_name_len = prefix_len + postfix_len + (MD5_DIGEST_LENGTH * 2) + 2;
 205         int bus_name_len = strlen(remote_app_id) + strlen(port_name) + 2;
 206         char *bus_name = (char *)calloc(bus_name_len, sizeof(char));
 207         if (bus_name == NULL) {
 208                 _LOGE("bus_name calloc failed");
 209                 return 0;
 210         }
 211
 212         snprintf(bus_name, bus_name_len, "%s_%s", remote_app_id, port_name);
 213
 214         MD5_Init(&mdContext);
 215         MD5_Update(&mdContext, bus_name, bus_name_len);
 216         MD5_Final(c, &mdContext);
 217
 218         md5_interface = (char *)calloc(encoded_bus_name_len , sizeof(char));
 219         if (md5_interface == NULL) {
 220                 if (bus_name)
 221                         free(bus_name);
 222
 223                 _LOGE("md5_interface calloc failed!!");
 224                 return 0;
 225         }
 226
 227         snprintf(md5_interface, encoded_bus_name_len, "%s", MESSAGEPORT_BUS_NAME_PREFIX);
 228         temp = md5_interface;
 229         temp += prefix_len;
 230
 231         for (index = 0; index < MD5_DIGEST_LENGTH; index++) {
 232                 snprintf(temp, 3, "%02x", c[index]);
 233                 temp += 2;
 234         }
 235
 236         if (postfix && postfix_len > 0)
 237                 snprintf(temp, encoded_bus_name_len - (temp - md5_interface), "%s", postfix);
 238         if (bus_name)
 239                 free(bus_name);
 240
 241         _LOGI("encoded_bus_name : %s ", md5_interface);
 242
 243         return md5_interface;
 244 }
 245
 246 static int __remote_port_compare_cb(gconstpointer a, gconstpointer b)
 247 {
 248         port_list_info_s *key1 = (port_list_info_s *)a;
 249         port_list_info_s *key2 = (port_list_info_s *)b;
 250
 251         if (key1->is_trusted == key2->is_trusted)
 252                 return strcmp(key1->port_name, key2->port_name);
 253
 254         return 1;
 255 }
 256
 257
 258 static bool __is_preloaded(const char *local_appid, const char *remote_appid)
 259 {
 260         _LOGI("IsPreloaded");
 261
 262         bool preload_local = false;
 263         bool preload_remote = false;
 264
 265         pkgmgrinfo_appinfo_h handle = NULL;
 266         int ret = pkgmgrinfo_appinfo_get_usr_appinfo(local_appid, getuid(), &handle);
 267         if (ret != PMINFO_R_OK) {
 268                 _LOGE("Failed to get the appinfo. %d", ret);
 269                 pkgmgrinfo_appinfo_destroy_appinfo(handle);
 270                 return false;
 271         }
 272         ret = pkgmgrinfo_appinfo_is_preload(handle, &preload_local);
 273         if (ret != PMINFO_R_OK) {
 274                 _LOGE("Failed to check the preloaded application. %d", ret);
 275                 pkgmgrinfo_appinfo_destroy_appinfo(handle);
 276                 return false;
 277         }
 278         pkgmgrinfo_appinfo_destroy_appinfo(handle);
 279
 280         ret = pkgmgrinfo_appinfo_get_usr_appinfo(remote_appid, getuid(), &handle);
 281         if (ret != PMINFO_R_OK) {
 282                 _LOGE("Failed to get the appinfo. %d", ret);
 283                 pkgmgrinfo_appinfo_destroy_appinfo(handle);
 284                 return false;
 285         }
 286         ret = pkgmgrinfo_appinfo_is_preload(handle, &preload_remote);
 287         if (ret != PMINFO_R_OK) {
 288                 _LOGE("Failed to check the preloaded application. %d", ret);
 289                 pkgmgrinfo_appinfo_destroy_appinfo(handle);
 290                 return false;
 291         }
 292
 293         if (preload_local && preload_remote) {
 294                 pkgmgrinfo_appinfo_destroy_appinfo(handle);
 295                 return true;
 296         }
 297         pkgmgrinfo_appinfo_destroy_appinfo(handle);
 298         return false;
 299 }
 300
 301 static int __check_certificate(const char *local_appid, const char *remote_appid)
 302 {
 303         _LOGI("CheckCertificate");
 304
 305         pkgmgrinfo_cert_compare_result_type_e res;
 306         int ret = pkgmgrinfo_pkginfo_compare_usr_app_cert_info(local_appid, remote_appid, getuid(), &res);
 307         if (ret < 0) {
 308                 _LOGE(":CheckCertificate() Failed");
 309                 return MESSAGEPORT_ERROR_IO_ERROR;
 310         }
 311         if (res != PMINFO_CERT_COMPARE_MATCH) {
 312                 _LOGE("CheckCertificate() Failed : MESSAGEPORT_ERROR_CERTIFICATE_NOT_MATCH");
 313                 return MESSAGEPORT_ERROR_CERTIFICATE_NOT_MATCH;
 314         }
 315
 316         return MESSAGEPORT_ERROR_NONE;
 317 }
 318
 319 static void on_name_appeared(GDBusConnection *connection,
 320                 const gchar     *name,
 321                 const gchar     *name_owner,
 322                 gpointer         user_data)
 323 {
 324         _LOGI("name appeared : %s %s", __app_id, name);
 325 }
 326
 327 static void on_name_vanished(GDBusConnection *connection,
 328                 const gchar     *name,
 329                 gpointer         user_data)
 330 {
 331         _LOGI("name vanished : %s", name);
 332         port_list_info_s *pli = (port_list_info_s *)user_data;
 333         if (pli == NULL) {
 334                 LOGE("NULL port info");
 335                 return;
 336         }
 337
 338         _LOGI("watcher_id :%d", pli->watcher_id);
 339         if (pli->watcher_id > 0)
 340                 g_bus_unwatch_name(pli->watcher_id);
 341         else
 342                 _LOGE("Invalid watcher_id %d", pli->watcher_id);
 343         pli->exist = false;
 344         pli->watcher_id = 0;
 345
 346 }
 347
 348 static int __get_local_port_info(int id, message_port_local_port_info_s **info)
 349 {
 350         message_port_local_port_info_s *mi = (message_port_local_port_info_s *)g_hash_table_lookup(__local_port_info, GINT_TO_POINTER(id));
 351
 352         if (mi == NULL)
 353                 return MESSAGEPORT_ERROR_INVALID_PARAMETER;
 354         *info = mi;
 355
 356         return MESSAGEPORT_ERROR_NONE;
 357 }
 358
 359 static port_list_info_s *__set_remote_port_info(const char *remote_app_id, const char *remote_port, bool is_trusted)
 360 {
 361         int ret_val = MESSAGEPORT_ERROR_NONE;
 362         port_list_info_s *port_info = (port_list_info_s *)calloc(1, sizeof(port_list_info_s));
 363
 364         if (!port_info) {
 365                 ret_val = MESSAGEPORT_ERROR_OUT_OF_MEMORY;
 366                 goto out;
 367         }
 368         port_info->port_name = strdup(remote_port);
 369         if (!port_info->port_name) {
 370                 ret_val = MESSAGEPORT_ERROR_OUT_OF_MEMORY;
 371                 goto out;
 372         }
 373         port_info->is_trusted = is_trusted;
 374         port_info->encoded_bus_name = __get_encoded_name(remote_app_id, remote_port, is_trusted);
 375         if (port_info->encoded_bus_name == NULL) {
 376                 ret_val = MESSAGEPORT_ERROR_OUT_OF_MEMORY;
 377                 goto out;
 378         }
 379         port_info->send_sock_fd = 0;
 380 out:
 381         if (ret_val != MESSAGEPORT_ERROR_NONE) {
 382                 if (port_info) {
 383                         FREE_AND_NULL(port_info->port_name);
 384                         FREE_AND_NULL(port_info->encoded_bus_name);
 385                         free(port_info);
 386                 }
 387                 return NULL;
 388         }
 389         return port_info;
 390 }
 391
 392 static message_port_remote_app_info_s *__set_remote_app_info(const char *remote_app_id, const char *remote_port, bool is_trusted)
 393 {
 394         message_port_remote_app_info_s *remote_app_info = NULL;
 395         int ret_val = MESSAGEPORT_ERROR_NONE;
 396
 397         remote_app_info = (message_port_remote_app_info_s *)calloc(1, sizeof(message_port_remote_app_info_s));
 398         if (!remote_app_info) {
 399                 ret_val = MESSAGEPORT_ERROR_OUT_OF_MEMORY;
 400                 goto out;
 401         }
 402
 403         remote_app_info->remote_app_id = strdup(remote_app_id);
 404         if (remote_app_info->remote_app_id == NULL) {
 405                 ret_val = MESSAGEPORT_ERROR_OUT_OF_MEMORY;;
 406                 goto out;
 407         }
 408
 409 out:
 410         if (ret_val != MESSAGEPORT_ERROR_NONE) {
 411                 if (remote_app_info) {
 412                         FREE_AND_NULL(remote_app_info->remote_app_id);
 413                         FREE_AND_NULL(remote_app_info);
 414                 }
 415                 return NULL;
 416         }
 417         return remote_app_info;
 418 }
 419
 420 static void __clear_disconnect_socket(port_list_info_s *port_info)
 421 {
 422         GError *error = NULL;
 423
 424         if (port_info == NULL)
 425                 return;
 426         _LOGI("__clear_disconnect_socket : fd [%d]", port_info->send_sock_fd);
 427
 428         if (port_info->gio_read != NULL) {
 429                 g_io_channel_shutdown(port_info->gio_read, TRUE, &error);
 430                 if (error) {
 431                         _LOGE("g_io_channel_shutdown error : %s", error->message);
 432                         g_error_free(error);
 433                 }
 434                 g_io_channel_unref(port_info->gio_read);
 435                 port_info->gio_read = NULL;
 436         }
 437
 438         if (port_info->g_src_id != 0) {
 439                 g_source_remove(port_info->g_src_id);
 440                 port_info->g_src_id = 0;
 441         }
 442         port_info->send_sock_fd = 0;
 443 }
 444
 445 static gboolean __socket_disconnect_handler(GIOChannel *gio,
 446                 GIOCondition cond,
 447                 gpointer data)
 448 {
 449         /* It's sender socket's gio channel so, only EOF can be received */
 450         port_list_info_s *port_info = (port_list_info_s *)data;
 451         _LOGI("__socket_disconnect_handler %d", cond);
 452         __clear_disconnect_socket(port_info);
 453         return FALSE;
 454 }
 455
 456 static void __watch_remote_port_info(port_list_info_s *port_info)
 457 {
 458         if (port_info == NULL)
 459                 return;
 460
 461         if (port_info->watcher_id < 1) {
 462                 port_info->watcher_id = g_bus_watch_name_on_connection(
 463                                 __gdbus_conn,
 464                                 port_info->encoded_bus_name,
 465                                 G_BUS_NAME_WATCHER_FLAGS_NONE,
 466                                 on_name_appeared,
 467                                 on_name_vanished,
 468                                 port_info,
 469                                 NULL);
 470         } else {
 471                 LOGI("Already watched port info");
 472                 return;
 473         }
 474 }
 475
 476 static int __get_remote_port_info(const char *remote_app_id, const char *remote_port, bool is_trusted,
 477                 message_port_remote_app_info_s **mri, port_list_info_s **pli)
 478 {
 479         message_port_remote_app_info_s *remote_app_info = NULL;
 480         port_list_info_s port_info;
 481         GList *cb_list = NULL;
 482         int ret_val = MESSAGEPORT_ERROR_NONE;
 483
 484         remote_app_info = (message_port_remote_app_info_s *)g_hash_table_lookup(__remote_app_info, remote_app_id);
 485
 486         if (remote_app_info == NULL) {
 487                 remote_app_info = __set_remote_app_info(remote_app_id, remote_port, is_trusted);
 488
 489                 if (remote_app_info == NULL) {
 490                         ret_val = MESSAGEPORT_ERROR_OUT_OF_MEMORY;
 491                         goto out;
 492                 }
 493                 g_hash_table_insert(__remote_app_info, remote_app_info->remote_app_id, remote_app_info);
 494         }
 495         *mri = remote_app_info;
 496
 497         port_info.port_name = strdup(remote_port);
 498         port_info.is_trusted = is_trusted;
 499         cb_list = g_list_find_custom(remote_app_info->port_list, &port_info,
 500                                         (GCompareFunc)__remote_port_compare_cb);
 501         if (port_info.port_name)
 502                 free(port_info.port_name);
 503         if (cb_list == NULL) {
 504                 port_list_info_s *tmp = __set_remote_port_info(remote_app_id, remote_port, is_trusted);
 505                 if (tmp == NULL) {
 506                         ret_val = MESSAGEPORT_ERROR_OUT_OF_MEMORY;
 507                         goto out;
 508                 }
 509                 remote_app_info->port_list = g_list_append(remote_app_info->port_list, tmp);
 510                 *pli = tmp;
 511         } else {
 512                 *pli = (port_list_info_s *)cb_list->data;
 513         }
 514 out:
 515
 516         return ret_val;
 517 }
 518
 519 static bool __is_local_port_registed(const char *local_port, bool trusted, int *local_id, message_port_local_port_info_s **lpi)
 520 {
 521         GHashTableIter iter;
 522         gpointer key, value;
 523
 524         g_hash_table_iter_init(&iter, __local_port_info);
 525         while (g_hash_table_iter_next(&iter, &key, &value)) {
 526                 message_port_local_port_info_s *mi = (message_port_local_port_info_s *)value;
 527
 528                 if ((mi->is_trusted == trusted) && strcmp(mi->port_name, local_port) == 0) {
 529                         *local_id = mi->local_id;
 530                         if (lpi != NULL)
 531                                 *lpi = mi;
 532                         return true;
 533                 }
 534         }
 535         return false;
 536 }
 537
 538 static int __get_sender_pid(GDBusConnection *conn, const char *sender_name)
 539 {
 540         GDBusMessage *msg = NULL;
 541         GDBusMessage *reply = NULL;
 542         GError *err = NULL;
 543         GVariant *body;
 544         int pid = 0;
 545
 546         msg = g_dbus_message_new_method_call("org.freedesktop.DBus", "/org/freedesktop/DBus",
 547                         "org.freedesktop.DBus", "GetConnectionUnixProcessID");
 548         if (!msg) {
 549                 _LOGE("Can't allocate new method call");
 550                 goto out;
 551         }
 552
 553         g_dbus_message_set_body(msg, g_variant_new("(s)", sender_name));
 554         reply = g_dbus_connection_send_message_with_reply_sync(conn, msg,
 555                                                         G_DBUS_SEND_MESSAGE_FLAGS_NONE, -1, NULL, NULL, &err);
 556
 557         if (!reply) {
 558                 if (err != NULL) {
 559                         _LOGE("Failed to get pid [%s]", err->message);
 560                         g_error_free(err);
 561                 }
 562                 goto out;
 563         }
 564
 565         body = g_dbus_message_get_body(reply);
 566         g_variant_get(body, "(u)", &pid);
 567
 568 out:
 569         if (msg)
 570                 g_object_unref(msg);
 571         if (reply)
 572                 g_object_unref(reply);
 573
 574         return pid;
 575 }
 576
 577 static int __write_socket(int fd,
 578                 const char *buffer,
 579                 unsigned int nbytes,
 580                 unsigned int *bytes_write)
 581 {
 582         unsigned int left = nbytes;
 583         ssize_t nb;
 584         int retry_cnt = 0;
 585
 586         *bytes_write = 0;
 587         while (left && (retry_cnt < MAX_RETRY_CNT)) {
 588                 nb = write(fd, buffer, left);
 589                 if (nb == -1) {
 590                         if (errno == EINTR) {
 591                                 LOGE("__write_socket: EINTR error continue ...");
 592                                 retry_cnt++;
 593                                 continue;
 594                         }
 595                         LOGE("__write_socket: ...error fd %d: errno %d\n", fd, errno);
 596                         return MESSAGEPORT_ERROR_IO_ERROR;
 597                 }
 598
 599                 left -= nb;
 600                 buffer += nb;
 601                 *bytes_write += nb;
 602                 retry_cnt = 0;
 603         }
 604         return MESSAGEPORT_ERROR_NONE;
 605 }
 606
 607 static int __write_string_to_socket(int fd, const char *buffer, int string_len)
 608 {
 609         unsigned int nb;
 610         if (__write_socket(fd, (char *)&string_len, sizeof(string_len), &nb) != MESSAGEPORT_ERROR_NONE) {
 611                 _LOGE("write string_len fail");
 612                 return MESSAGEPORT_ERROR_IO_ERROR;
 613         }
 614
 615         if (string_len > 0) {
 616                 if (__write_socket(fd, buffer, string_len, &nb) != MESSAGEPORT_ERROR_NONE) {
 617                         _LOGE("wirte buffer fail");
 618                         return MESSAGEPORT_ERROR_IO_ERROR;
 619                 }
 620         }
 621         return MESSAGEPORT_ERROR_NONE;
 622 }
 623
 624 static int __read_socket(int fd,
 625                 char *buffer,
 626                 unsigned int nbytes,
 627                 unsigned int *bytes_read)
 628 {
 629         unsigned int left = nbytes;
 630         ssize_t nb;
 631         int retry_cnt = 0;
 632         const struct timespec TRY_SLEEP_TIME = { 0, 500 * 1000 * 1000 };
 633
 634         *bytes_read = 0;
 635         while (left && (retry_cnt < MAX_RETRY_CNT)) {
 636                 nb = read(fd, buffer, left);
 637                 if (nb == 0) {
 638                         LOGE("__read_socket: ...read EOF, socket closed %d: nb %d\n", fd, nb);
 639                         return MESSAGEPORT_ERROR_IO_ERROR;
 640                 } else if (nb == -1) {
 641                         /*  wrt(nodejs) could change socket to none-blocking socket :-( */
 642                         if (errno == EINTR || errno == EAGAIN || errno == EWOULDBLOCK) {
 643                                 LOGE("__read_socket: %d errno, sleep and retry ...", errno);
 644                                 retry_cnt++;
 645                                 nanosleep(&TRY_SLEEP_TIME, 0);
 646                                 continue;
 647                         }
 648                         LOGE("__read_socket: ...error fd %d: errno %d\n", fd, errno);
 649                         return MESSAGEPORT_ERROR_IO_ERROR;
 650                 }
 651
 652                 left -= nb;
 653                 buffer += nb;
 654                 *bytes_read += nb;
 655                 retry_cnt = 0;
 656         }
 657         return MESSAGEPORT_ERROR_NONE;
 658 }
 659
 660 static int __read_string_from_socket(int fd, char **buffer, int *string_len)
 661 {
 662         unsigned int nb;
 663         if (__read_socket(fd, (char *)string_len, sizeof(*string_len), &nb) != MESSAGEPORT_ERROR_NONE) {
 664                 LOGE("read socket fail");
 665                 return MESSAGEPORT_ERROR_IO_ERROR;
 666         }
 667         if (*string_len > 0 && *string_len < MAX_MESSAGE_SIZE) {
 668                 *buffer = (char *)calloc(*string_len, sizeof(char));
 669                 if (*buffer == NULL) {
 670                         LOGE("Out of memory.");
 671                         return MESSAGEPORT_ERROR_IO_ERROR;
 672                 }
 673                 if (__read_socket(fd, *buffer, *string_len, &nb) != MESSAGEPORT_ERROR_NONE) {
 674                         LOGE("read socket fail");
 675                         return MESSAGEPORT_ERROR_IO_ERROR;
 676                 }
 677         } else {
 678                 LOGE("Invalid string len %d", *string_len);
 679                 return MESSAGEPORT_ERROR_IO_ERROR;
 680         }
 681         return MESSAGEPORT_ERROR_NONE;
 682 }
 683
 684 message_port_pkt_s *__message_port_recv_raw(int fd)
 685 {
 686         message_port_pkt_s *pkt = NULL;
 687         unsigned int nb;
 688
 689         pkt = (message_port_pkt_s *)calloc(sizeof(message_port_pkt_s), 1);
 690         if (pkt == NULL) {
 691                 close(fd);
 692                 return NULL;
 693         }
 694
 695         if (__read_string_from_socket(fd, (char **)&pkt->remote_port_name, &pkt->remote_port_name_len) != MESSAGEPORT_ERROR_NONE) {
 696                 LOGE("read socket fail: port_name");
 697                 free(pkt->remote_port_name);
 698                 free(pkt);
 699                 return NULL;
 700         }
 701
 702         if (__read_socket(fd, (char *)&pkt->is_bidirection, sizeof(pkt->is_bidirection), &nb) != MESSAGEPORT_ERROR_NONE) {
 703                 LOGE("read socket fail: is_bidirection");
 704                 free(pkt->remote_port_name);
 705                 free(pkt);
 706                 return NULL;
 707         }
 708
 709         if (__read_socket(fd, (char *)&pkt->is_trusted, sizeof(pkt->is_trusted), &nb) != MESSAGEPORT_ERROR_NONE) {
 710                 LOGE("read socket fail: is_trusted");
 711                 free(pkt->remote_port_name);
 712                 free(pkt);
 713                 return NULL;
 714         }
 715
 716         if (__read_string_from_socket(fd, (char **)&pkt->data, &pkt->data_len) != MESSAGEPORT_ERROR_NONE) {
 717                 LOGE("read socket fail: data");
 718                 if (pkt->data)
 719                         free(pkt->data);
 720                 free(pkt->remote_port_name);
 721                 free(pkt);
 722                 return NULL;
 723         }
 724
 725         return pkt;
 726 }
 727
 728 static gboolean __socket_request_handler(GIOChannel *gio,
 729                 GIOCondition cond,
 730                 gpointer data)
 731 {
 732         int fd = 0;
 733         message_port_callback_info_s *mi;
 734         message_port_pkt_s *pkt;
 735         bundle *kb = NULL;
 736         GError *error = NULL;
 737
 738         mi = (message_port_callback_info_s *)data;
 739         if (mi == NULL) {
 740
 741                 g_io_channel_shutdown(gio, TRUE, &error);
 742                 if (error) {
 743                         _LOGE("g_io_channel_shutdown error : %s", error->message);
 744                         g_error_free(error);
 745                 }
 746                 g_io_channel_unref(gio);
 747                 return FALSE;
 748         }
 749
 750         if (cond == G_IO_HUP) {
 751
 752                 _LOGI("socket G_IO_HUP");
 753                 __callback_info_free_by_info(mi);
 754                 return FALSE;
 755
 756         } else {
 757
 758                 if ((fd = g_io_channel_unix_get_fd(gio)) < 0) {
 759                         _LOGE("fail to get fd from io channel");
 760                         __callback_info_free_by_info(mi);
 761                         return FALSE;
 762                 }
 763
 764                 if ((pkt = __message_port_recv_raw(fd)) == NULL) {
 765                         _LOGE("recv error on SOCKET");
 766                         __callback_info_free_by_info(mi);
 767                         return FALSE;
 768                 }
 769
 770                 kb = bundle_decode(pkt->data, pkt->data_len);
 771                 if (pkt->is_bidirection)
 772                         mi->callback(mi->local_id, mi->remote_app_id, pkt->remote_port_name, pkt->is_trusted, kb, NULL);
 773                 else
 774                         mi->callback(mi->local_id, mi->remote_app_id, NULL, pkt->is_trusted, kb, NULL);
 775
 776                 bundle_free(kb);
 777                 if (pkt) {
 778                         if (pkt->remote_port_name)
 779                                 free(pkt->remote_port_name);
 780                         if (pkt->data)
 781                                 free(pkt->data);
 782                         free(pkt);
 783                 }
 784         }
 785
 786         return TRUE;
 787 }
 788
 789 static bool send_message(GVariant *parameters, GDBusMethodInvocation *invocation)
 790 {
 791         char *local_port = NULL;
 792         char *local_appid = NULL;
 793         char *remote_appid = NULL;
 794         char *remote_port = NULL;
 795         gboolean local_trusted = false;
 796         gboolean remote_trusted = false;
 797         gboolean bi_dir = false;
 798         int len = 0;
 799
 800         bundle *data = NULL;
 801         bundle_raw *raw = NULL;
 802         message_port_local_port_info_s *mi;
 803         int local_reg_id = 0;
 804         message_port_callback_info_s *callback_info;
 805         message_port_callback_info_s *head_callback_info;
 806         GList *callback_info_list = NULL;
 807
 808         char buf[1024];
 809         GDBusMessage *msg;
 810         GUnixFDList *fd_list;
 811         int fd_len;
 812         int *returned_fds = NULL;
 813         int fd;
 814
 815         g_variant_get(parameters, "(&s&sbb&s&sbu&s)", &local_appid, &local_port, &local_trusted, &bi_dir,
 816                         &remote_appid, &remote_port, &remote_trusted, &len, &raw);
 817
 818         if (!remote_port) {
 819                 _LOGE("Invalid argument : remote_port is NULL");
 820                 goto out;
 821         }
 822         if (!remote_appid) {
 823                 _LOGE("Invalid argument : remote_appid is NULL");
 824                 goto out;
 825         }
 826         if (!__is_local_port_registed(remote_port, remote_trusted, &local_reg_id, &mi)) {
 827                 _LOGE("Invalid argument : remote_port:(%s) trusted(%d)", remote_port, remote_trusted);
 828                 goto out;
 829         }
 830         if (!local_appid) {
 831                 _LOGE("Invalid argument : local_appid");
 832                 goto out;
 833         }
 834         if (!local_port) {
 835                 _LOGE("Invalid argument : local_port");
 836                 goto out;
 837         }
 838         if (strcmp(remote_appid, __app_id) != 0) {
 839                 _LOGE("Invalid argument : remote_appid (%s)", remote_appid);
 840                 goto out;
 841         }
 842         if (strcmp(remote_port, mi->port_name) != 0) {
 843                 _LOGE("Invalid argument : remote_port (%s)", remote_port);
 844                 goto out;
 845         }
 846         if (!len) {
 847                 _LOGE("Invalid argument : data_len");
 848                 goto out;
 849         }
 850         if (remote_trusted) {
 851                 if (g_hash_table_lookup(__trusted_app_list_hash, (gpointer)local_appid) == NULL) {
 852                         if (!__is_preloaded(local_appid, remote_appid)) {
 853                                 int ret = __check_certificate(local_appid, remote_appid);
 854                                 if (ret == MESSAGEPORT_ERROR_NONE)
 855                                         g_hash_table_insert(__trusted_app_list_hash, local_appid, "TRUE");
 856                                 else {
 857                                         _LOGE("The application (%s) is not signed with the same certificate",
 858                                                         local_appid);
 859                                         goto out;
 860                                 }
 861                         }
 862                 }
 863         }
 864
 865         callback_info = (message_port_callback_info_s *)calloc(1, sizeof(message_port_callback_info_s));
 866         if (callback_info == NULL)
 867                 goto out;
 868
 869         callback_info->local_id = mi->local_id;
 870         callback_info->remote_app_id = strdup(local_appid);
 871         callback_info->callback = mi->callback;
 872
 873         msg = g_dbus_method_invocation_get_message(invocation);
 874         fd_list = g_dbus_message_get_unix_fd_list(msg);
 875
 876         /* When application send message to self fd_list is NULL */
 877         if (fd_list != NULL) {
 878                 returned_fds = g_unix_fd_list_steal_fds(fd_list, &fd_len);
 879                 if (returned_fds == NULL) {
 880                         _LOGE("fail to get fds");
 881                         __callback_info_free(callback_info);
 882                         return false;
 883                 }
 884                 fd = returned_fds[0];
 885
 886                 LOGI("g_unix_fd_list_get %d fd: [%d]", fd_len, fd);
 887                 if (fd > 0) {
 888
 889                         callback_info->gio_read = g_io_channel_unix_new(fd);
 890                         if (!callback_info->gio_read) {
 891                                 _LOGE("Error is %s\n", strerror_r(errno, buf, sizeof(buf)));
 892                                 __callback_info_free(callback_info);
 893                                 return false;
 894                         }
 895
 896                         callback_info->g_src_id = g_io_add_watch(callback_info->gio_read, G_IO_IN | G_IO_HUP,
 897                                         __socket_request_handler, (gpointer)callback_info);
 898                         if (callback_info->g_src_id == 0) {
 899                                 _LOGE("fail to add watch on socket");
 900                                 __callback_info_free(callback_info);
 901                                 return false;
 902                         }
 903
 904                         callback_info_list = g_hash_table_lookup(__callback_info_hash, GUINT_TO_POINTER(mi->local_id));
 905                         if (callback_info_list == NULL) {
 906                                 head_callback_info = (message_port_callback_info_s *)calloc(1, sizeof(message_port_callback_info_s));
 907                                 if (head_callback_info == NULL) {
 908                                         _LOGE("fail to alloc head_callback_info");
 909                                         __callback_info_free(callback_info);
 910                                         return false;
 911                                 }
 912                                 head_callback_info->local_id = 0;
 913                                 head_callback_info->remote_app_id = NULL;
 914                                 head_callback_info->callback = NULL;
 915                                 head_callback_info->gio_read = NULL;
 916                                 head_callback_info->g_src_id = 0;
 917                                 callback_info_list = g_list_append(callback_info_list, head_callback_info);
 918                                 callback_info_list = g_list_append(callback_info_list, callback_info);
 919                                 g_hash_table_insert(__callback_info_hash, GUINT_TO_POINTER(mi->local_id), callback_info_list);
 920                         } else {
 921                                 callback_info_list = g_list_append(callback_info_list, callback_info);
 922                         }
 923                 }
 924         }
 925
 926         data = bundle_decode(raw, len);
 927         if (!data) {
 928                 _LOGE("Invalid argument : message");
 929                 goto out;
 930         }
 931
 932         LOGI("call calback %s", local_appid);
 933         if (bi_dir)
 934                 mi->callback(mi->local_id, local_appid, local_port, local_trusted, data, NULL);
 935         else
 936                 mi->callback(mi->local_id, local_appid, NULL, false, data, NULL);
 937         bundle_free(data);
 938 out:
 939         if (returned_fds)
 940                 free(returned_fds);
 941
 942         return true;
 943 }
 944
 945 static int __check_remote_port(const char *remote_app_id, const char *remote_port, bool is_trusted, bool *exist)
 946 {
 947         _LOGI("Check a remote port : [%s:%s]", remote_app_id, remote_port);
 948
 949         GVariant *result = NULL;
 950         GError *err = NULL;
 951         int ret_val = MESSAGEPORT_ERROR_NONE;
 952         char *bus_name = NULL;
 953         message_port_remote_app_info_s *remote_app_info = NULL;
 954         port_list_info_s *port_info = NULL;
 955         int local_reg_id = 0;
 956         message_port_local_port_info_s *mi = NULL;
 957         gboolean name_exist = false;
 958
 959         _LOGI("remote_app_id, app_id :[%s : %s] ", remote_app_id, __app_id);
 960
 961         ret_val = __get_remote_port_info(remote_app_id, remote_port, is_trusted, &remote_app_info, &port_info);
 962         if (ret_val != MESSAGEPORT_ERROR_NONE)
 963                 return ret_val;
 964
 965         /* self check */
 966         if (strcmp(remote_app_id, __app_id) == 0) {
 967
 968                 _LOGI("__is_local_port_registed ");
 969                 if (!__is_local_port_registed(remote_port, is_trusted, &local_reg_id, &mi))
 970                         *exist = false;
 971                 else
 972                         *exist = true;
 973
 974                 _LOGI("__is_local_port_registed : %d ", *exist);
 975                 return MESSAGEPORT_ERROR_NONE;
 976         }
 977
 978         port_info->exist = false;
 979         bus_name = port_info->encoded_bus_name;
 980
 981         result = g_dbus_connection_call_sync(
 982                         __gdbus_conn,
 983                         DBUS_SERVICE_DBUS,
 984                         DBUS_PATH_DBUS,
 985                         DBUS_INTERFACE_DBUS,
 986                         "NameHasOwner",
 987                         g_variant_new("(s)", bus_name),
 988                         G_VARIANT_TYPE("(b)"),
 989                         G_DBUS_CALL_FLAGS_NONE,
 990                         -1,
 991                         NULL,
 992                         &err);
 993
 994         if (err || (result == NULL)) {
 995                 if (err) {
 996                         _LOGE("No reply. error = %s", err->message);
 997                         g_error_free(err);
 998                 }
 999                 ret_val = MESSAGEPORT_ERROR_RESOURCE_UNAVAILABLE;
1000         } else {
1001                 g_variant_get(result, "(b)", &name_exist);
1002
1003                 if (!name_exist) {
1004                         _LOGI("Name not exist %s", bus_name);
1005                         *exist = false;
1006                         ret_val = MESSAGEPORT_ERROR_NONE;
1007                 } else {
1008
1009                         if (is_trusted) {
1010                                 if (remote_app_info->certificate_info != CERTIFICATE_MATCH) {
1011                                         if (!__is_preloaded(__app_id, remote_app_id)) {
1012                                                 if (__check_certificate(__app_id, remote_app_id) != MESSAGEPORT_ERROR_NONE) {
1013                                                         ret_val = MESSAGEPORT_ERROR_CERTIFICATE_NOT_MATCH;
1014                                                         goto out;
1015                                                 }
1016                                         }
1017                                         remote_app_info->certificate_info = CERTIFICATE_MATCH;
1018                                 }
1019                         }
1020                         port_info->exist = true;
1021                         *exist = true;
1022                         ret_val = MESSAGEPORT_ERROR_NONE;
1023                         __watch_remote_port_info(port_info);
1024                 }
1025         }
1026 out:
1027         if (result)
1028                 g_variant_unref(result);
1029
1030         return ret_val;
1031 }
1032
1033 static void __on_sender_name_appeared(GDBusConnection *connection,
1034                 const gchar     *name,
1035                 const gchar     *name_owner,
1036                 gpointer         user_data)
1037 {
1038         _LOGI("sender name appeared : %s", name);
1039 }
1040
1041 static void __on_sender_name_vanished(GDBusConnection *connection,
1042                 const gchar     *name,
1043                 gpointer         user_data)
1044 {
1045         gboolean remove_result = FALSE;
1046         int *watcher_id = (int *)user_data;
1047         remove_result = g_hash_table_remove(__sender_appid_hash, (gpointer)name);
1048         if (!remove_result)
1049                 _LOGE("Fail to remove sender appid from hash : %s", name);
1050
1051         if (watcher_id) {
1052                 if (*watcher_id > 0)
1053                         g_bus_unwatch_name(*watcher_id);
1054                 else
1055                         LOGE("Invalid watcher_id %d", *watcher_id);
1056                 free(watcher_id);
1057         } else {
1058                 LOGE("watcher_id is NULL");
1059         }
1060 }
1061
1062 static bool __check_sender_validation(GVariant *parameters, const char *sender, GDBusConnection *conn)
1063 {
1064         int ret = 0;
1065         char buffer[MAX_PACKAGE_STR_SIZE] = {0, };
1066         char *local_appid = NULL;
1067         int pid = __get_sender_pid(conn, sender);
1068         int *watcher_id = (int *)calloc(1, sizeof(int));
1069
1070         ret = aul_app_get_appid_bypid(pid, buffer, sizeof(buffer));
1071         if (ret != AUL_R_OK) {
1072                 _LOGE("Failed to get the sender ID: (%s) (%d)", sender, pid);
1073                 free(watcher_id);
1074                 return false;
1075         }
1076
1077         g_variant_get_child(parameters, 0, "&s", &local_appid);
1078         if (local_appid == NULL) {
1079                 _LOGE("appid is NULL : (%s) (%d)", sender, pid);
1080                 free(watcher_id);
1081                 return false;
1082         }
1083
1084         if (strncmp(buffer, local_appid, MAX_PACKAGE_STR_SIZE) == 0) {
1085                 _LOGI("insert sender !!!!! %s", sender);
1086                 g_hash_table_insert(__sender_appid_hash, (gpointer)strdup(sender), GINT_TO_POINTER(pid));
1087                 *watcher_id = g_bus_watch_name_on_connection(
1088                                         __gdbus_conn,
1089                                         sender,
1090                                         G_BUS_NAME_WATCHER_FLAGS_NONE,
1091                                         __on_sender_name_appeared,
1092                                         __on_sender_name_vanished,
1093                                         watcher_id,
1094                                         NULL);
1095         } else {
1096                 free(watcher_id);
1097                 return false;
1098         }
1099         return true;
1100 }
1101
1102 static void __dbus_method_call_handler(GDBusConnection *conn,
1103                                 const gchar *sender, const gchar *object_path,
1104                                 const gchar *iface_name, const gchar *method_name,
1105                                 GVariant *parameters, GDBusMethodInvocation *invocation,
1106                                 gpointer user_data)
1107 {
1108         _LOGI("method_name: %s, sender: %s", method_name, sender);
1109         gpointer sender_pid = g_hash_table_lookup(__sender_appid_hash, sender);
1110         if (sender_pid == NULL) {
1111                 if (!__check_sender_validation(parameters, sender, conn))
1112                         goto out;
1113         }
1114         if (g_strcmp0(method_name, "send_message") == 0)
1115                 send_message(parameters, invocation);
1116 out:
1117         g_dbus_method_invocation_return_value(invocation, NULL);
1118 }
1119
1120 static const GDBusInterfaceVTable interface_vtable = {
1121         __dbus_method_call_handler,
1122         NULL,
1123         NULL
1124 };
1125
1126 static int __dbus_init(void)
1127 {
1128         bool ret = false;
1129         GError *error = NULL;
1130
1131         __gdbus_conn = g_bus_get_sync(G_BUS_TYPE_SESSION, NULL, &error);
1132         if (__gdbus_conn == NULL) {
1133                 if (error != NULL) {
1134                         _LOGE("Failed to get dbus [%s]", error->message);
1135                         g_error_free(error);
1136                 }
1137                 goto out;
1138         }
1139
1140         ret = true;
1141
1142 out:
1143         if (!__gdbus_conn)
1144                 g_object_unref(__gdbus_conn);
1145
1146         return ret;
1147
1148 }
1149
1150 int __register_dbus_interface(const char *port_name, bool is_trusted)
1151 {
1152
1153         GDBusNodeInfo *introspection_data = NULL;
1154         int registration_id = 0;
1155
1156         static gchar introspection_prefix[] =
1157                 "<node>"
1158                 "  <interface name='";
1159
1160         static gchar introspection_postfix[] =
1161                 "'>"
1162                 "        <method name='send_message'>"
1163                 "          <arg type='s' name='local_appid' direction='in'/>"
1164                 "          <arg type='s' name='local_port' direction='in'/>"
1165                 "          <arg type='b' name='local_trusted' direction='in'/>"
1166                 "          <arg type='b' name='bi_dir' direction='in'/>"
1167                 "          <arg type='s' name='remote_appid' direction='in'/>"
1168                 "          <arg type='s' name='remote_port' direction='in'/>"
1169                 "          <arg type='b' name='remote_trusted' direction='in'/>"
1170                 "          <arg type='u' name='data_len' direction='in'/>"
1171                 "          <arg type='s' name='data' direction='in'/>"
1172                 "        </method>"
1173                 "  </interface>"
1174                 "</node>";
1175
1176         char *introspection_xml = NULL;
1177         int introspection_xml_len = 0;
1178
1179
1180         int owner_id = 0;
1181         GError *error = NULL;
1182         char *bus_name = NULL;
1183         char *interface_name = NULL;
1184         GVariant *result = NULL;
1185
1186         bus_name = __get_encoded_name(__app_id, port_name, is_trusted);
1187         if (!bus_name) {
1188                 _LOGE("Fail to get bus name");
1189                 goto out;
1190         }
1191         interface_name = bus_name;
1192
1193         introspection_xml_len = strlen(introspection_prefix) + strlen(interface_name) +
1194                 strlen(introspection_postfix) + 1;
1195
1196         introspection_xml = (char *)calloc(introspection_xml_len, sizeof(char));
1197         if (!introspection_xml) {
1198                 _LOGE("out of memory");
1199                 goto out;
1200         }
1201
1202
1203         result = g_dbus_connection_call_sync(
1204                         __gdbus_conn,
1205                         DBUS_SERVICE_DBUS,
1206                         DBUS_PATH_DBUS,
1207                         DBUS_INTERFACE_DBUS,
1208                         "RequestName",
1209                         g_variant_new("(su)", bus_name, G_BUS_NAME_OWNER_FLAGS_NONE),
1210                         G_VARIANT_TYPE("(u)"),
1211                         G_DBUS_CALL_FLAGS_NONE,
1212                         -1,
1213                         NULL,
1214                         &error);
1215         if (error) {
1216                 _LOGE("RequestName fail : %s", error->message);
1217                 g_error_free(error);
1218                 goto out;
1219         }
1220         if (result == NULL) {
1221                 _LOGE("fail to get name NULL");
1222                 goto out;
1223         }
1224         g_variant_get(result, "(u)", &owner_id);
1225         if (owner_id == 0) {
1226                 _LOGE("Acquiring the own name is failed");
1227                 goto out;
1228         }
1229
1230         _LOGI("Acquiring the own name : %d", owner_id);
1231
1232         snprintf(introspection_xml, introspection_xml_len, "%s%s%s", introspection_prefix, interface_name, introspection_postfix);
1233
1234         introspection_data = g_dbus_node_info_new_for_xml(introspection_xml, NULL);
1235         if (!introspection_data) {
1236                 _LOGE("g_dbus_node_info_new_for_xml() is failed.");
1237                 goto out;
1238         }
1239
1240         registration_id = g_dbus_connection_register_object(__gdbus_conn,
1241                                                 MESSAGEPORT_OBJECT_PATH, introspection_data->interfaces[0],
1242                                                 &interface_vtable, NULL, NULL, NULL);
1243
1244         _LOGI("registration_id %d", registration_id);
1245
1246         if (registration_id == 0) {
1247                 _LOGE("Failed to g_dbus_connection_register_object");
1248                 goto out;
1249         }
1250
1251 out:
1252         if (introspection_data)
1253                 g_dbus_node_info_unref(introspection_data);
1254         if (introspection_xml)
1255                 free(introspection_xml);
1256         if (bus_name)
1257                 free(bus_name);
1258         if (result)
1259                 g_variant_unref(result);
1260
1261
1262         return registration_id;
1263 }
1264
1265 /* LCOV_EXCL_START */
1266 void __list_free_port_list(gpointer data)
1267 {
1268         port_list_info_s *n = (port_list_info_s *)data;
1269
1270         FREE_AND_NULL(n->encoded_bus_name);
1271         FREE_AND_NULL(n->port_name);
1272         FREE_AND_NULL(n);
1273 }
1274 /* LCOV_EXCL_STOP */
1275
1276 /* LCOV_EXCL_START */
1277 static void __hash_destory_local_value(gpointer data)
1278 {
1279         message_port_local_port_info_s *mli = (message_port_local_port_info_s *)data;
1280         if (mli) {
1281                 if (mli->port_name)
1282                         free(mli->port_name);
1283                 free(mli);
1284         }
1285 }
1286 /* LCOV_EXCL_STOP */
1287
1288 /* LCOV_EXCL_START */
1289 static void __hash_destory_remote_value(gpointer data)
1290 {
1291         message_port_remote_app_info_s *mri = (message_port_remote_app_info_s *)data;
1292         if (mri) {
1293                 FREE_AND_NULL(mri->sender_id);
1294                 FREE_AND_NULL(mri->remote_app_id);
1295                 if (mri->port_list)
1296                         g_list_free_full(mri->port_list, __list_free_port_list);
1297
1298                 free(mri);
1299         }
1300 }
1301 /* LCOV_EXCL_STOP */
1302
1303 static bool __initialize(void)
1304 {
1305
1306 #if !GLIB_CHECK_VERSION(2, 35, 0)
1307         g_type_init();
1308 #endif
1309
1310         int pid = getpid();
1311         int ret = 0;
1312         char buffer[MAX_PACKAGE_STR_SIZE] = {0, };
1313
1314         _LOGI("initialize");
1315         ret = aul_app_get_appid_bypid(pid, buffer, sizeof(buffer));
1316         retvm_if(ret != AUL_R_OK, false, "Failed to get the application ID: %d", ret);
1317
1318         __app_id = strdup(buffer);
1319         retvm_if(!__app_id, false, "Malloc failed");
1320         _LOGI("init : %s", __app_id);
1321
1322         if (__local_port_info == NULL) {
1323                 __local_port_info = g_hash_table_new_full(g_direct_hash,  g_direct_equal, NULL, __hash_destory_local_value);
1324                 retvm_if(!__local_port_info, false, "fail to create __local_port_info");
1325         }
1326
1327         if (__remote_app_info == NULL) {
1328                 __remote_app_info = g_hash_table_new_full(g_str_hash, g_str_equal, NULL, __hash_destory_remote_value);
1329                 retvm_if(!__remote_app_info, false, "fail to create __remote_app_info");
1330         }
1331
1332         if (__sender_appid_hash == NULL) {
1333                 __sender_appid_hash = g_hash_table_new_full(g_str_hash, g_str_equal, free, NULL);
1334                 retvm_if(!__sender_appid_hash, false, "fail to create __sender_appid_hash");
1335         }
1336
1337         if (__trusted_app_list_hash == NULL) {
1338                 __trusted_app_list_hash = g_hash_table_new(g_str_hash, g_str_equal);
1339                 retvm_if(!__trusted_app_list_hash, false, "fail to create __trusted_app_list_hash");
1340         }
1341
1342         if (__callback_info_hash == NULL) {
1343                 __callback_info_hash = g_hash_table_new_full(g_direct_hash, g_direct_equal, NULL, __hash_destroy_callback_info);
1344                 retvm_if(!__trusted_app_list_hash, false, "fail to create __trusted_app_list_hash");
1345         }
1346
1347         if (!__dbus_init())
1348                 return false;
1349         _initialized = true;
1350
1351         return true;
1352 }
1353
1354
1355 static bool __message_port_register_port(const int local_id, const char *local_port, bool is_trusted, messageport_message_cb callback)
1356 {
1357         message_port_local_port_info_s *mi = (message_port_local_port_info_s *)calloc(1, sizeof(message_port_local_port_info_s));
1358         retvm_if(!mi, false, "Malloc failed");
1359
1360         mi->callback = callback;
1361         mi->is_trusted = is_trusted;
1362         mi->port_name = strdup(local_port);
1363         if (mi->port_name == NULL) {
1364                 _LOGE("Malloc failed (%s)", local_port);
1365                 free(mi);
1366                 return false;
1367         }
1368         mi->local_id = local_id;
1369
1370         g_hash_table_insert(__local_port_info, GINT_TO_POINTER(mi->local_id), mi);
1371         return true;
1372 }
1373
1374 static int __register_message_port(const char *local_port, bool is_trusted, messageport_message_cb callback)
1375 {
1376         _SECURE_LOGI("Register a message port : [%s:%s]", __app_id, local_port);
1377
1378         int local_id = 0;
1379
1380         /* Check the message port is already registed */
1381         if (__is_local_port_registed(local_port, is_trusted, &local_id, NULL))
1382                 return local_id;
1383
1384         local_id = __register_dbus_interface(local_port, is_trusted);
1385         if (local_id < 1) {
1386                 _LOGE("register_dbus_interface fail !!");
1387                 return MESSAGEPORT_ERROR_OUT_OF_MEMORY;
1388         }
1389
1390         if (!__message_port_register_port(local_id, local_port, is_trusted, callback))
1391                 return MESSAGEPORT_ERROR_OUT_OF_MEMORY;
1392
1393         return local_id;
1394 }
1395
1396 int __message_port_send_async(int sockfd, bundle *kb, const char *local_port,
1397                 bool local_trusted, bool is_bidirection)
1398 {
1399         int ret = 0;
1400         int data_len;
1401         int local_port_len = 0;
1402         unsigned int nb;
1403         bundle_raw *kb_data = NULL;
1404
1405         bundle_encode(kb, &kb_data, &data_len);
1406         if (kb_data == NULL) {
1407                 _LOGE("bundle encode fail");
1408                 ret = MESSAGEPORT_ERROR_IO_ERROR;
1409                 goto out;
1410         }
1411
1412         if (data_len > MAX_MESSAGE_SIZE) {
1413                 _LOGE("bigger than max size\n");
1414                 ret = MESSAGEPORT_ERROR_MAX_EXCEEDED;
1415                 goto out;
1416         }
1417
1418         if (local_port != NULL)
1419                 local_port_len = strlen(local_port) + 1;
1420
1421         if (__write_string_to_socket(sockfd, local_port, local_port_len) != MESSAGEPORT_ERROR_NONE) {
1422                 _LOGE("write local_port fail");
1423                 ret = MESSAGEPORT_ERROR_IO_ERROR;
1424                 goto out;
1425         }
1426
1427         if (__write_socket(sockfd, (char *)&is_bidirection, sizeof(is_bidirection), &nb) != MESSAGEPORT_ERROR_NONE) {
1428                 _LOGE("write is_bidirection fail");
1429                 ret = MESSAGEPORT_ERROR_IO_ERROR;
1430                 goto out;
1431         }
1432
1433         if (__write_socket(sockfd, (char *)&local_trusted, sizeof(local_trusted), &nb) != MESSAGEPORT_ERROR_NONE) {
1434                 _LOGE("write local_trusted fail");
1435                 ret = MESSAGEPORT_ERROR_IO_ERROR;
1436                 goto out;
1437         }
1438
1439         if (__write_string_to_socket(sockfd, (void *)kb_data, data_len) != MESSAGEPORT_ERROR_NONE) {
1440                 _LOGE("write kb_data fail");
1441                 ret = MESSAGEPORT_ERROR_IO_ERROR;
1442                 goto out;
1443         }
1444 out:
1445         if (kb_data)
1446                 free(kb_data);
1447
1448         return ret;
1449 }
1450
1451 static int __message_port_send_message(const char *remote_appid, const char *remote_port,
1452                 const char *local_port, bool trusted_message, bool local_trusted, bool bi_dir, bundle *message)
1453 {
1454
1455         int ret = MESSAGEPORT_ERROR_NONE;
1456         GUnixFDList *fd_list = NULL;
1457
1458         int len = 0;
1459         bundle_raw *raw = NULL;
1460         char *bus_name = NULL;
1461         char *interface_name = NULL;
1462
1463         message_port_remote_app_info_s *remote_app_info = NULL;
1464         port_list_info_s *port_info = NULL;
1465         GDBusMessage *msg = NULL;
1466         GError *err = NULL;
1467         GVariant *body = NULL;
1468         int sock_pair[2] = {0,};
1469         char buf[1024];
1470
1471         ret = __get_remote_port_info(remote_appid, remote_port, trusted_message, &remote_app_info, &port_info);
1472         if (ret != MESSAGEPORT_ERROR_NONE)
1473                 return ret;
1474
1475         if (port_info->exist == false) {
1476                 bool exist = false;
1477                 _LOGI("port exist check !!");
1478                 ret =  __check_remote_port(remote_appid, remote_port, trusted_message, &exist);
1479                 if (ret != MESSAGEPORT_ERROR_NONE) {
1480                         goto out;
1481                 } else if (!exist) {
1482                         ret = MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND;
1483                         goto out;
1484                 }
1485         }
1486
1487         if (port_info->send_sock_fd > 0) {
1488                 ret = __message_port_send_async(port_info->send_sock_fd, message,
1489                                 (local_port) ? local_port : "", local_trusted, bi_dir);
1490         } else {
1491
1492                 bus_name = port_info->encoded_bus_name;
1493                 interface_name = bus_name;
1494
1495                 if (bundle_encode(message, &raw, &len) != BUNDLE_ERROR_NONE) {
1496                         ret = MESSAGEPORT_ERROR_INVALID_PARAMETER;
1497                         goto out;
1498                 }
1499
1500                 if (MAX_MESSAGE_SIZE < len) {
1501                         _LOGE("The size of message (%d) has exceeded the maximum limit.", len);
1502                         ret = MESSAGEPORT_ERROR_MAX_EXCEEDED;
1503                         goto out;
1504                 }
1505
1506                 body = g_variant_new("(ssbbssbus)", __app_id, (local_port) ? local_port : "", local_trusted, bi_dir,
1507                                 remote_appid, remote_port, trusted_message, len, raw);
1508                 if (strcmp(remote_appid, __app_id) != 0) { /* self send */
1509
1510                         /*  if message-port fail to get socket pair, communicate using GDBus */
1511                         if (aul_request_message_port_socket_pair(sock_pair) != AUL_R_OK) {
1512                                 _LOGE("error create socket pair");
1513                         } else {
1514
1515                                 _LOGI("sock pair : %d, %d",
1516                                                 sock_pair[SOCK_PAIR_SENDER], sock_pair[SOCK_PAIR_RECEIVER]);
1517                                 fd_list = g_unix_fd_list_new();
1518                                 g_unix_fd_list_append(fd_list, sock_pair[SOCK_PAIR_RECEIVER], &err);
1519                                 if (err != NULL) {
1520                                         _LOGE("g_unix_fd_list_append [%s]", err->message);
1521                                         ret = MESSAGEPORT_ERROR_IO_ERROR;
1522                                         g_error_free(err);
1523                                         goto out;
1524                                 }
1525
1526                                 port_info->send_sock_fd = sock_pair[SOCK_PAIR_SENDER];
1527                                 close(sock_pair[SOCK_PAIR_RECEIVER]);
1528                                 sock_pair[SOCK_PAIR_RECEIVER] = 0;
1529
1530                                 port_info->gio_read = g_io_channel_unix_new(port_info->send_sock_fd);
1531                                 if (!port_info->gio_read) {
1532                                         _LOGE("Error is %s\n", strerror_r(errno, buf, sizeof(buf)));
1533                                         ret = MESSAGEPORT_ERROR_IO_ERROR;
1534                                         goto out;
1535                                 }
1536
1537                                 port_info->g_src_id = g_io_add_watch(port_info->gio_read, G_IO_IN | G_IO_HUP,
1538                                                 __socket_disconnect_handler, (gpointer)port_info);
1539                                 if (port_info->g_src_id == 0) {
1540                                         _LOGE("fail to add watch on socket");
1541                                         ret = MESSAGEPORT_ERROR_IO_ERROR;
1542                                         goto out;
1543                                 }
1544
1545                         }
1546                 }
1547
1548                 msg = g_dbus_message_new_method_call(bus_name, MESSAGEPORT_OBJECT_PATH, interface_name, "send_message");
1549                 if (!msg) {
1550                         _LOGE("Can't allocate new method call");
1551                         ret = MESSAGEPORT_ERROR_OUT_OF_MEMORY;
1552                         goto out;
1553                 }
1554
1555                 g_dbus_message_set_unix_fd_list(msg, fd_list);
1556                 g_dbus_message_set_body(msg, body);
1557                 g_dbus_connection_send_message(__gdbus_conn, msg, G_DBUS_SEND_MESSAGE_FLAGS_NONE, NULL, &err);
1558                 if (err != NULL) {
1559                         _LOGE("No reply. error = %s", err->message);
1560                         g_error_free(err);
1561                         ret = MESSAGEPORT_ERROR_IO_ERROR;
1562                         goto out;
1563                 }
1564                 __watch_remote_port_info(port_info);
1565
1566         }
1567
1568 out:
1569         if (msg)
1570                 g_object_unref(msg);
1571         if (raw)
1572                 bundle_free_encoded_rawdata(&raw);
1573         if (fd_list)
1574                 g_object_unref(fd_list);
1575
1576         if (ret != MESSAGEPORT_ERROR_NONE) {
1577                 __clear_disconnect_socket(port_info);
1578                 if (sock_pair[SOCK_PAIR_SENDER])
1579                         close(sock_pair[SOCK_PAIR_SENDER]);
1580                 if (sock_pair[SOCK_PAIR_RECEIVER])
1581                         close(sock_pair[SOCK_PAIR_RECEIVER]);
1582         }
1583
1584         return ret;
1585 }
1586
1587 int __message_send_bidirectional_message(int id, const char *remote_app_id, const char *remote_port,  bool trusted_message, bundle *message)
1588 {
1589         message_port_local_port_info_s *local_info;
1590         int ret = __get_local_port_info(id, &local_info);
1591         if (ret != MESSAGEPORT_ERROR_NONE)
1592                 return ret;
1593
1594         _LOGI("bidirectional_message %s", local_info->port_name);
1595         return __message_port_send_message(remote_app_id, remote_port,
1596                         local_info->port_name, trusted_message, local_info->is_trusted, true, message);
1597 }
1598
1599 int messageport_unregister_local_port(int local_port_id, bool trusted_port)
1600 {
1601
1602         GVariant *result;
1603         char *bus_name = NULL;
1604         GError *err = NULL;
1605         int ret = 0;
1606
1607         _LOGI("unregister : %d", local_port_id);
1608
1609         message_port_local_port_info_s *mi =
1610                 (message_port_local_port_info_s *)
1611                 g_hash_table_lookup(__local_port_info, GINT_TO_POINTER(local_port_id));
1612         if (mi == NULL)
1613                 return MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND;
1614
1615         if (mi->is_trusted != trusted_port)
1616                 return MESSAGEPORT_ERROR_INVALID_PARAMETER;
1617
1618         g_hash_table_remove(__callback_info_hash, GUINT_TO_POINTER(local_port_id));
1619
1620         bus_name = __get_encoded_name(__app_id, mi->port_name, mi->is_trusted);
1621         if (bus_name == NULL)
1622                 return MESSAGEPORT_ERROR_OUT_OF_MEMORY;
1623
1624         g_dbus_connection_unregister_object(__gdbus_conn, local_port_id);
1625
1626         result = g_dbus_connection_call_sync(
1627                         __gdbus_conn,
1628                         DBUS_SERVICE_DBUS,
1629                         DBUS_PATH_DBUS,
1630                         DBUS_INTERFACE_DBUS,
1631                         "ReleaseName",
1632                         g_variant_new("(s)", bus_name),
1633                         G_VARIANT_TYPE("(u)"),
1634                         G_DBUS_CALL_FLAGS_NONE,
1635                         -1,
1636                         NULL,
1637                         &err);
1638
1639         if (bus_name)
1640                 free(bus_name);
1641
1642         if (err) {
1643                 _LOGE("RequestName fail : %s", err->message);
1644                 g_error_free(err);
1645                 return MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND;
1646         }
1647         g_variant_get(result, "(u)", &ret);
1648
1649         if (result)
1650                 g_variant_unref(result);
1651
1652         if (ret != DBUS_RELEASE_NAME_REPLY_RELEASED) {
1653
1654                 if (ret == DBUS_RELEASE_NAME_REPLY_NON_EXISTENT) {
1655                         _LOGE("Port Not exist");
1656                         return MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND;
1657                 } else if (ret == DBUS_RELEASE_NAME_REPLY_NOT_OWNER) {
1658                         _LOGE("Try to release not owned name. MESSAGEPORT_ERROR_INVALID_PARAMETER");
1659                         return MESSAGEPORT_ERROR_INVALID_PARAMETER;
1660                 }
1661         }
1662
1663
1664         g_hash_table_remove(__local_port_info, GINT_TO_POINTER(local_port_id));
1665
1666         return MESSAGEPORT_ERROR_NONE;
1667 }
1668
1669 int messageport_register_local_port(const char *local_port, messageport_message_cb callback)
1670 {
1671         if (!_initialized) {
1672                 if (!__initialize())
1673                         return MESSAGEPORT_ERROR_IO_ERROR;
1674         }
1675
1676         return __register_message_port(local_port, false, callback);
1677 }
1678
1679 int messageport_register_trusted_local_port(const char *local_port, messageport_message_cb callback)
1680 {
1681         if (!_initialized) {
1682                 if (!__initialize())
1683                         return MESSAGEPORT_ERROR_IO_ERROR;
1684         }
1685
1686         return __register_message_port(local_port, true, callback);
1687
1688 }
1689
1690 int messageport_check_remote_port(const char *remote_app_id, const char *remote_port, bool *exist)
1691 {
1692         if (!_initialized) {
1693                 if (!__initialize())
1694                         return MESSAGEPORT_ERROR_IO_ERROR;
1695         }
1696
1697         int ret = __check_remote_port(remote_app_id, remote_port, false, exist);
1698         if (ret == MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND) {
1699                 *exist = false;
1700                 ret = MESSAGEPORT_ERROR_NONE;
1701         }
1702
1703         return ret;
1704 }
1705
1706 int messageport_check_trusted_remote_port(const char *remote_app_id, const char *remote_port, bool *exist)
1707 {
1708         if (!_initialized) {
1709                 if (!__initialize())
1710                         return MESSAGEPORT_ERROR_IO_ERROR;
1711         }
1712
1713         int ret = __check_remote_port(remote_app_id, remote_port, true, exist);
1714         if (ret == MESSAGEPORT_ERROR_MESSAGEPORT_NOT_FOUND) {
1715                 *exist = false;
1716                 ret = MESSAGEPORT_ERROR_NONE;
1717         }
1718
1719         return ret;
1720 }
1721
1722 int messageport_send_message(const char *remote_app_id, const char *remote_port, bundle *message)
1723 {
1724         if (!_initialized) {
1725                 if (!__initialize())
1726                         return MESSAGEPORT_ERROR_IO_ERROR;
1727         }
1728
1729         return __message_port_send_message(remote_app_id, remote_port, NULL, false, false, false, message);
1730 }
1731
1732 int messageport_send_trusted_message(const char *remote_app_id, const char *remote_port, bundle *message)
1733 {
1734         if (!_initialized) {
1735                 if (!__initialize())
1736                         return MESSAGEPORT_ERROR_IO_ERROR;
1737         }
1738
1739         return __message_port_send_message(remote_app_id, remote_port, NULL, true, false, false, message);
1740 }
1741
1742 int messageport_send_bidirectional_message(int id, const char *remote_app_id, const char *remote_port,
1743                 bundle *message)
1744 {
1745         if (!_initialized) {
1746                 if (!__initialize())
1747                         return MESSAGEPORT_ERROR_IO_ERROR;
1748         }
1749
1750         return __message_send_bidirectional_message(id, remote_app_id, remote_port, false, message);
1751 }
1752
1753 int messageport_send_bidirectional_trusted_message(int id, const char *remote_app_id, const char *remote_port,
1754                 bundle *message)
1755 {
1756         if (!_initialized) {
1757                 if (!__initialize())
1758                         return MESSAGEPORT_ERROR_IO_ERROR;
1759         }
1760         return __message_send_bidirectional_message(id, remote_app_id, remote_port, true, message);
1761 }
1762