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