src/network-state.c

   1 /*
   2  * Network Configuration Module
   3  *
   4  * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <vconf.h>
  21 #include <vconf-keys.h>
  22 #include <fcntl.h>
  23 #include <unistd.h>
  24 #include <stdlib.h>
  25 #include <net/if.h>
  26 #include <arpa/inet.h>
  27 #include <netinet/in.h>
  28 #include <sys/ioctl.h>
  29
  30 #include "log.h"
  31 #include "util.h"
  32 #include "netdbus.h"
  33 #include "neterror.h"
  34 #include "emulator.h"
  35 #include "wifi-state.h"
  36 #include "wifi-power.h"
  37 #include "network-state.h"
  38 #include "network-dpm.h"
  39 #include "network-monitor.h"
  40 #include "netsupplicant.h"
  41 #if defined TIZEN_DEBUG_ENABLE
  42 #include "network-dump.h"
  43 #endif
  44
  45 #include "generated-code.h"
  46 /* Define TCP buffer sizes for various networks */
  47 /* ReadMin, ReadInitial, ReadMax */ /* WriteMin, WriteInitial, WriteMax */
  48 #define NET_TCP_BUFFERSIZE_DEFAULT_READ         "4096 87380 704512"
  49 #define NET_TCP_BUFFERSIZE_DEFAULT_WRITE        "4096 16384 110208"
  50 #define NET_TCP_BUFFERSIZE_WIFI_READ            "524288 1048576 2560000"
  51 #define NET_TCP_BUFFERSIZE_WIFI_WRITE           "524288 1048576 2560000"
  52 #define NET_TCP_BUFFERSIZE_LTE_READ             "524288 1048576 2560000"
  53 #define NET_TCP_BUFFERSIZE_LTE_WRITE            "524288 1048576 2560000"
  54 #define NET_TCP_BUFFERSIZE_UMTS_READ            "4094 87380 704512"
  55 #define NET_TCP_BUFFERSIZE_UMTS_WRITE           "4096 16384 110208"
  56 #define NET_TCP_BUFFERSIZE_HSPA_READ            "4092 87380 704512"
  57 #define NET_TCP_BUFFERSIZE_HSPA_WRITE           "4096 16384 262144"
  58 #define NET_TCP_BUFFERSIZE_HSDPA_READ           "4092 87380 704512"
  59 #define NET_TCP_BUFFERSIZE_HSDPA_WRITE          "4096 16384 262144"
  60 #define NET_TCP_BUFFERSIZE_HSUPA_READ           "4092 87380 704512"
  61 #define NET_TCP_BUFFERSIZE_HSUPA_WRITE          "4096 16384 262144"
  62 #define NET_TCP_BUFFERSIZE_HSPAP_READ           "4092 87380 1220608"
  63 #define NET_TCP_BUFFERSIZE_HSPAP_WRITE          "4096 16384 1220608"
  64 #define NET_TCP_BUFFERSIZE_EDGE_READ            "4093 26280 35040"
  65 #define NET_TCP_BUFFERSIZE_EDGE_WRITE           "4096 16384 35040"
  66 #define NET_TCP_BUFFERSIZE_GPRS_READ            "4096 30000 30000"
  67 #define NET_TCP_BUFFERSIZE_GPRS_WRITE           "4096 8760 11680"
  68
  69 #define NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX        "1048576"
  70 #define NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX        "2097152"
  71 #define NET_TCP_BUFFERSIZE_LTE_RMEM_MAX         "5242880"
  72
  73 #define NET_TCP_BUFFERSIZE_WIFID_WMEM_MAX       "2097152"
  74
  75 #define NET_PROC_SYS_NET_IPV4_TCP_RMEM          "/proc/sys/net/ipv4/tcp_rmem"
  76 #define NET_PROC_SYS_NET_IPv4_TCP_WMEM          "/proc/sys/net/ipv4/tcp_wmem"
  77 #define NET_PROC_SYS_NET_CORE_RMEM_MAX          "/proc/sys/net/core/rmem_max"
  78 #define NET_PROC_SYS_NET_CORE_WMEM_MAX          "/proc/sys/net/core/wmem_max"
  79
  80 #define ROUTE_EXEC_PATH                                         "/sbin/route"
  81
  82 #define TELEPHONY_SERVICE                       "com.tcore.ps"
  83 #define TELEPHONY_MASTER_INTERFACE              TELEPHONY_SERVICE ".master"
  84 #define TELEPHONY_MODEM_INTERFACE               TELEPHONY_SERVICE ".modem"
  85 #define TELEPHONY_PROFILE_INTERFACE             TELEPHONY_SERVICE ".context"
  86 #define TELEPHONY_MASTER_PATH                   "/"
  87 #define NET_PROFILE_NAME_LEN_MAX 512
  88
  89 typedef struct {
  90         char                    profile_name[NET_PROFILE_NAME_LEN_MAX];
  91 } net_profile_name_t;
  92
  93 static Network *netconfigstate = NULL;
  94 #if defined TIZEN_DEBUG_ENABLE
  95 static Tcpdump *tcpdump_object = NULL;
  96 #endif
  97
  98 struct netconfig_default_connection {
  99         char *profile;
 100         char *ifname;
 101         char *mac_address;
 102         char *ipaddress;
 103         char *ipaddress6;
 104         char *proxy;
 105         char *essid;
 106         unsigned int freq;
 107         gboolean is_metered;
 108 };
 109
 110 static struct netconfig_default_connection
 111                                 netconfig_default_connection_info = { NULL, };
 112
 113 gboolean netconfig_iface_network_state_ethernet_cable_state(gint32 *state);
 114
 115 static gboolean __netconfig_is_connected(GVariantIter *array)
 116 {
 117         gboolean is_connected = FALSE;
 118         GVariant *variant = NULL;
 119         gchar *key = NULL;
 120         const gchar *value = NULL;
 121
 122         while (g_variant_iter_loop(array, "{sv}", &key, &variant)) {
 123                 if (g_strcmp0(key, "State") != 0)
 124                         continue;
 125
 126                 if (g_variant_is_of_type(variant, G_VARIANT_TYPE_STRING)) {
 127                         value = g_variant_get_string(variant, NULL);
 128                         if (g_strcmp0(value, "ready") == 0 || g_strcmp0(value, "online") == 0)
 129                                 is_connected = TRUE;
 130                 }
 131
 132                 g_free(key);
 133                 g_variant_unref(variant);
 134                 break;
 135         }
 136
 137         return is_connected;
 138 }
 139
 140 static char *__netconfig_get_default_profile(void)
 141 {
 142         GVariant *message = NULL;
 143         GVariantIter *iter;
 144         GVariantIter *next;
 145         gchar *default_profile = NULL;
 146         gchar *object_path;
 147
 148         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 149                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 150                         "GetServices", NULL);
 151         if (message == NULL) {
 152                 ERR("Failed to get profiles");
 153                 return NULL;
 154         }
 155
 156         g_variant_get(message, "(a(oa{sv}))", &iter);
 157         while (g_variant_iter_loop(iter, "(oa{sv})", &object_path, &next)) {
 158                 if (object_path == NULL)
 159                         continue;
 160
 161                 if (netconfig_is_cellular_profile(object_path) && !netconfig_is_cellular_internet_profile(object_path))
 162                         continue;
 163
 164                 if (__netconfig_is_connected(next) == TRUE) {
 165                         default_profile = g_strdup(object_path);
 166                         g_free(object_path);
 167                         g_variant_iter_free(next);
 168                         break;
 169                 }
 170         }
 171         g_variant_iter_free(iter);
 172         g_variant_unref(message);
 173
 174         return default_profile;
 175 }
 176
 177 static int __netconfig_telephony_get_modem_object_path(GSList **modem_path_list)
 178 {
 179         GVariant *result;
 180         GVariantIter *iter_modem = NULL;
 181         GVariantIter *modem_properties = NULL;
 182         const char *modem_path;
 183
 184         result = netconfig_invoke_dbus_method(TELEPHONY_SERVICE, TELEPHONY_MASTER_PATH,
 185                         TELEPHONY_MASTER_INTERFACE, "GetModems", NULL);
 186         if (result == NULL) {
 187                 ERR("Failed to get modem path list");
 188                 return -1;
 189         }
 190
 191         g_variant_get(result, "(a{sa{ss}})", &iter_modem);
 192         while (g_variant_iter_loop(iter_modem, "{sa{ss}}", &modem_path, &modem_properties)) {
 193                 *modem_path_list = g_slist_append(*modem_path_list, g_strdup(modem_path));
 194                 DBG("modem object path: %s",    modem_path);
 195         }
 196
 197         g_variant_iter_free(iter_modem);
 198         g_variant_unref(result);
 199
 200         return 0;
 201 }
 202
 203 static int __netconfig_telephony_get_profile_list(net_profile_name_t **profile_list,
 204                 int *profile_count)
 205 {
 206         int ret = 0;
 207         int count = 0, i = 0;
 208         const char *str = NULL;
 209         GVariant *result;
 210         GVariantIter *iter = NULL;
 211         GSList *profiles = NULL, *list = NULL;
 212         net_profile_name_t *plist = NULL;
 213
 214         GSList *modem_path_list = NULL;
 215         const char *path = NULL;
 216
 217         ret = __netconfig_telephony_get_modem_object_path(&modem_path_list);
 218         if (ret < 0) {
 219                 ERR("Failed to get modems path list");
 220
 221                 g_slist_free_full(modem_path_list, g_free);
 222                 return ret;
 223         }
 224
 225         for (list = modem_path_list; list != NULL; list = list->next) {
 226                 path = (const char *)list->data;
 227
 228                 DBG("path: %s", path);
 229                 result = netconfig_invoke_dbus_method(TELEPHONY_SERVICE, path,
 230                                 TELEPHONY_MODEM_INTERFACE, "GetProfileList", NULL);
 231                 if (result == NULL) {
 232                         DBG("Failed to get profiles: %s", path);
 233                         continue;
 234                 }
 235
 236                 g_variant_get(result, "(as)", &iter);
 237                 while (g_variant_iter_loop(iter, "s", &str))
 238                         profiles = g_slist_append(profiles, g_strdup(str));
 239
 240                 g_variant_iter_free(iter);
 241                 g_variant_unref(result);
 242         }
 243
 244         g_slist_free_full(modem_path_list, g_free);
 245
 246         count = g_slist_length(profiles);
 247         if (count > 0) {
 248                 plist = (net_profile_name_t*)malloc(sizeof(net_profile_name_t) * count);
 249         } else {
 250                 *profile_count = 0;
 251                 goto out;
 252         }
 253
 254         if (plist == NULL) {
 255                 ERR("Failed to allocate memory");
 256                 *profile_count = 0;
 257                 ret = -1;
 258                 goto out;
 259         }
 260
 261         for (list = profiles, i = 0; list != NULL; list = list->next, i++)
 262                 g_strlcpy(plist[i].profile_name,
 263                                 (const char *)list->data, NET_PROFILE_NAME_LEN_MAX);
 264
 265         *profile_list = plist;
 266         *profile_count = count;
 267
 268 out:
 269         g_slist_free_full(profiles, g_free);
 270
 271         return ret;
 272 }
 273
 274 static int __netconfig_telephony_search_pdp_profile(const char* profile_name, net_profile_name_t* pdp_name)
 275 {
 276         int ret;
 277         net_profile_name_t* profile_list = NULL;
 278         char* prof_name = NULL;
 279         char* tel_prof_name = NULL;
 280         char* found_ptr = NULL;
 281         int profile_count = 0;
 282         int i;
 283
 284         /* Get pdp profile list from telephony service */
 285         ret = __netconfig_telephony_get_profile_list(&profile_list, &profile_count);
 286         if (ret < 0) {
 287                 ERR("Failed to get profile list from telephony service");
 288                 g_free(profile_list);
 289                 return ret;
 290         }
 291
 292         if (profile_list == NULL || profile_count <= 0) {
 293                 ERR("There is no PDP profiles");
 294                 g_free(profile_list);
 295                 return -1;
 296         }
 297
 298         /* Find matching profile */
 299         prof_name = strrchr(profile_name, '/') + 1;
 300         for (i = 0; i < profile_count; i++) {
 301                 tel_prof_name = strrchr(profile_list[i].profile_name, '/') + 1;
 302                 found_ptr = strstr(prof_name, tel_prof_name);
 303
 304                 if (found_ptr != NULL && g_strcmp0(found_ptr, tel_prof_name) == 0) {
 305                         g_strlcpy(pdp_name->profile_name,
 306                                         profile_list[i].profile_name, NET_PROFILE_NAME_LEN_MAX);
 307
 308                         DBG("PDP profile name found in cellular profile: %s", pdp_name->profile_name);
 309                         break;
 310                 }
 311         }
 312
 313         if (i >= profile_count) {
 314                 ERR("There is no matching PDP profiles");
 315                 g_free(profile_list);
 316                 return -1;
 317         }
 318
 319         g_free(profile_list);
 320
 321         return ret;
 322 }
 323
 324 static gboolean __netconfig_telephony_get_metered_info(net_profile_name_t* pdp_name)
 325 {
 326         GVariant *result;
 327         GVariantIter *iter;
 328         const gchar *key = NULL;
 329         const gchar *value = NULL;
 330         gboolean ret = FALSE;
 331
 332         if (pdp_name == NULL) {
 333                 ERR("Invalid parameter!");
 334                 return ret;
 335         }
 336
 337         result = netconfig_invoke_dbus_method(TELEPHONY_SERVICE, pdp_name->profile_name,
 338                         TELEPHONY_PROFILE_INTERFACE, "GetProfile", NULL);
 339         if (result == NULL) {
 340                 ERR("_net_invoke_dbus_method failed");
 341                 return ret;
 342         }
 343
 344         g_variant_get(result, "(a{ss})", &iter);
 345         while (g_variant_iter_next(iter, "{ss}", &key, &value)) {
 346                 if (g_strcmp0(key, "is_metered") == 0) {
 347                         if (value == NULL)
 348                                 continue;
 349
 350                         if (g_strcmp0(value, "TRUE") == 0)
 351                                 ret = TRUE;
 352                 }
 353         }
 354
 355         g_variant_iter_free(iter);
 356         g_variant_unref(result);
 357
 358         DBG("is_metered = %s", ret ? "TRUE" : "FALSE");
 359
 360         return ret;
 361 }
 362
 363 static void __netconfig_get_default_connection_info(const char *profile)
 364 {
 365         GVariant *message = NULL, *variant = NULL, *variant2 = NULL;
 366         GVariantIter *iter = NULL, *iter1 = NULL,  *service = NULL;
 367         GVariant *next = NULL;
 368         gchar *obj_path;
 369         gchar *key = NULL;
 370         gchar *key1 = NULL;
 371         gchar *key2 = NULL;
 372         gboolean found_profile = 0;
 373
 374         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 375                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 376                         "GetServices", NULL);
 377         if (message == NULL) {
 378                 ERR("Failed to get services informations");
 379                 goto done;
 380         }
 381
 382         g_variant_get(message, "(a(oa{sv}))", &service);
 383         if (service == NULL) {
 384                 ERR("Failed to get services iter");
 385                 goto done;
 386         }
 387
 388         while (g_variant_iter_loop(service, "(oa{sv})", &obj_path, &iter)) {
 389                 if (g_strcmp0(obj_path, profile) == 0) {
 390                         g_free(obj_path);
 391                         found_profile = 1;
 392                         break;
 393                 }
 394         }
 395
 396         if (iter == NULL || found_profile == 0) {
 397                 ERR("Profile %s doesn't exist", profile);
 398                 goto done;
 399         }
 400
 401         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 402                 const gchar *value = NULL;
 403                 guint16 freq = 0;
 404                 if (g_strcmp0(key, "Name") == 0 &&
 405                                 netconfig_is_wifi_profile(profile) == TRUE) {
 406                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_STRING)) {
 407                                 value = g_variant_get_string(next, NULL);
 408
 409                                 netconfig_default_connection_info.essid = g_strdup(value);
 410                         }
 411                 } else if (g_strcmp0(key, "Ethernet") == 0) {
 412                         g_variant_get(next, "a{sv}", &iter1);
 413                         if (iter1 == NULL)
 414                                 continue;
 415                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 416                                 if (g_strcmp0(key1, "Interface") == 0) {
 417                                         value = g_variant_get_string(variant, NULL);
 418                                         netconfig_default_connection_info.ifname = g_strdup(value);
 419                                 } else if (g_strcmp0(key1, "Address") == 0) {
 420                                         value = g_variant_get_string(variant, NULL);
 421                                         netconfig_default_connection_info.mac_address = g_strdup(value);
 422                                 }
 423                         }
 424                         g_variant_iter_free(iter1);
 425                 } else if (g_strcmp0(key, "IPv4") == 0) {
 426                         g_variant_get(next, "a{sv}", &iter1);
 427                         if (iter1 == NULL)
 428                                 continue;
 429                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 430                                 if (g_strcmp0(key1, "Address") == 0) {
 431                                         value = g_variant_get_string(variant, NULL);
 432                                         netconfig_default_connection_info.ipaddress = g_strdup(value);
 433                                 }
 434                         }
 435                         g_variant_iter_free(iter1);
 436                 } else if (g_strcmp0(key, "IPv6") == 0) {
 437                         g_variant_get(next, "a{sv}", &iter1);
 438                         if (iter1 == NULL)
 439                                 continue;
 440                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 441                                 if (g_strcmp0(key1, "Address") == 0) {
 442                                         value = g_variant_get_string(variant, NULL);
 443                                         netconfig_default_connection_info.ipaddress6 = g_strdup(value);
 444                                 }
 445                         }
 446                         g_variant_iter_free(iter1);
 447
 448                 } else if (g_strcmp0(key, "Proxy") == 0) {
 449                         g_variant_get(next, "a{sv}", &iter1);
 450                         if (iter1 == NULL)
 451                                 continue;
 452                         while (g_variant_iter_loop(iter1, "{sv}", &key2, &variant2)) {
 453                                 GVariantIter *iter_sub = NULL;
 454
 455                                 if (g_strcmp0(key2, "Servers") == 0) {
 456                                         if (!g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING_ARRAY)) {
 457                                                 g_free(key2);
 458                                                 g_variant_unref(variant2);
 459                                                 break;
 460                                         }
 461
 462                                         g_variant_get(variant2, "as", &iter_sub);
 463                                         g_variant_iter_loop(iter_sub, "s", &value);
 464                                         g_variant_iter_free(iter_sub);
 465                                         if (value != NULL && (strlen(value) > 0))
 466                                                 netconfig_default_connection_info.proxy = g_strdup(value);
 467                                 } else if (g_strcmp0(key2, "Method") == 0) {
 468                                         if (g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING)) {
 469                                                 g_free(key2);
 470                                                 g_variant_unref(variant2);
 471                                                 break;
 472                                         }
 473
 474                                         value = g_variant_get_string(variant2, NULL);
 475                                         if (g_strcmp0(value, "direct") == 0) {
 476                                                 g_free(netconfig_default_connection_info.proxy);
 477                                                 netconfig_default_connection_info.proxy = NULL;
 478
 479                                                 g_free(key2);
 480                                                 g_variant_unref(variant2);
 481                                                 break;
 482                                         }
 483                                 }
 484                         }
 485                         g_variant_iter_free(iter1);
 486                 } else if (g_strcmp0(key, "Frequency") == 0) {
 487                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_UINT16)) {
 488                                 freq = g_variant_get_uint16(next);
 489                                 netconfig_default_connection_info.freq = freq;
 490                         }
 491                 }
 492         }
 493
 494         if (netconfig_is_cellular_profile(profile) == TRUE) {
 495                 net_profile_name_t pdp_name;
 496                 int ret;
 497
 498                 ret = __netconfig_telephony_search_pdp_profile(profile, &pdp_name);
 499                 if (ret >= 0 && strlen(pdp_name.profile_name) > 0)
 500                         if (__netconfig_telephony_get_metered_info(&pdp_name))
 501                                 netconfig_default_connection_info.is_metered = TRUE;
 502         }
 503
 504 done:
 505         if (message)
 506                 g_variant_unref(message);
 507
 508         if (iter)
 509                 g_variant_iter_free(iter);
 510
 511         if (service)
 512                 g_variant_iter_free(service);
 513
 514         return;
 515 }
 516
 517 static char *__netconfig_get_preferred_ipv6_address(char *profile)
 518 {
 519         GVariant *message = NULL, *variant = NULL, *next = NULL;
 520         GVariantIter *iter = NULL, *sub_iter = NULL, *service = NULL;
 521         gchar *obj_path;
 522         gchar *key = NULL;
 523         gchar *sub_key = NULL;
 524         gchar *preferred_address6 = NULL;
 525         gboolean found_profile = 0;
 526
 527         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 528                                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 529                                         "GetServices", NULL);
 530         if (message == NULL) {
 531                 ERR("Failed to get service informations");
 532                 goto done;
 533         }
 534
 535         g_variant_get(message, "(a(oa{sv}))", &service);
 536         if (service == NULL) {
 537                 ERR("Failed to get services iter");
 538                 goto done;
 539         }
 540
 541         while (g_variant_iter_loop(service, "(oa{sv})", &obj_path, &iter)) {
 542                 if (g_strcmp0(obj_path, profile) == 0) {
 543                         g_free(obj_path);
 544                         found_profile = 1;
 545                         break;
 546                 }
 547         }
 548
 549         if (iter == NULL || found_profile == 0) {
 550                 ERR("Profile %s doesn't exist", profile);
 551                         goto done;
 552         }
 553
 554         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 555                 const gchar *value = NULL;
 556                 if (g_strcmp0(key, "IPv6") == 0) {
 557                         g_variant_get(next, "a{sv}", &sub_iter);
 558                         if (sub_iter == NULL)
 559                                 continue;
 560                         while (g_variant_iter_loop(sub_iter, "{sv}", &sub_key, &variant)) {
 561                                 if (g_strcmp0(sub_key, "Address") == 0) {
 562                                         value = g_variant_get_string(variant, NULL);
 563                                         if (!preferred_address6)
 564                                                 preferred_address6 = g_strdup(value);
 565                                 }
 566                         }
 567                         g_variant_iter_free(sub_iter);
 568                 }
 569         }
 570
 571 done:
 572         if (message)
 573                 g_variant_unref(message);
 574
 575         if (iter)
 576                 g_variant_iter_free(iter);
 577
 578         if (service)
 579                 g_variant_iter_free(service);
 580
 581         return preferred_address6;
 582 }
 583
 584 static void __netconfig_adjust_tcp_buffer_size(void)
 585 {
 586         int fdr = 0, fdw = 0;
 587         int fdrmax = 0, fdwmax = 0;
 588         const char *rbuf_size = NULL;
 589         const char *wbuf_size = NULL;
 590         const char *rmax_size = NULL;
 591         const char *wmax_size = NULL;
 592         const char *profile = netconfig_get_default_profile();
 593
 594         if (profile == NULL) {
 595                 DBG("There is no default connection");
 596
 597                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 598                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 599         } else if (netconfig_is_wifi_profile(profile) == TRUE) {
 600                 DBG("Default connection: Wi-Fi");
 601
 602                 rbuf_size = NET_TCP_BUFFERSIZE_WIFI_READ;
 603                 wbuf_size = NET_TCP_BUFFERSIZE_WIFI_WRITE;
 604                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 605                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 606         } else if (netconfig_is_cellular_profile(profile) == TRUE) {
 607                 int telephony_svctype = 0, telephony_pstype = 0;
 608
 609                 netconfig_get_telephony_network_type(&telephony_svctype, &telephony_pstype);
 610                 DBG("Default cellular %d, %d", telephony_svctype, telephony_pstype);
 611
 612                 switch (telephony_pstype) {
 613                 case VCONFKEY_TELEPHONY_PSTYPE_HSPA:
 614                         rbuf_size = NET_TCP_BUFFERSIZE_HSPA_READ;
 615                         wbuf_size = NET_TCP_BUFFERSIZE_HSPA_WRITE;
 616                         break;
 617                 case VCONFKEY_TELEPHONY_PSTYPE_HSUPA:
 618                         rbuf_size = NET_TCP_BUFFERSIZE_HSUPA_READ;
 619                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 620                         break;
 621                 case VCONFKEY_TELEPHONY_PSTYPE_HSDPA:
 622                         rbuf_size = NET_TCP_BUFFERSIZE_HSDPA_READ;
 623                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 624                         break;
 625 #if !defined TIZEN_WEARABLE
 626                 case VCONFKEY_TELEPHONY_PSTYPE_HSPAP:
 627                         rbuf_size = NET_TCP_BUFFERSIZE_HSPAP_READ;
 628                         wbuf_size = NET_TCP_BUFFERSIZE_HSPAP_WRITE;
 629                         break;
 630 #endif
 631                 default:
 632                         switch (telephony_svctype) {
 633                         case VCONFKEY_TELEPHONY_SVCTYPE_LTE:
 634                                 rbuf_size = NET_TCP_BUFFERSIZE_LTE_READ;
 635                                 wbuf_size = NET_TCP_BUFFERSIZE_LTE_WRITE;
 636                                 rmax_size = NET_TCP_BUFFERSIZE_LTE_RMEM_MAX;
 637                                 break;
 638                         case VCONFKEY_TELEPHONY_SVCTYPE_3G:
 639                                 rbuf_size = NET_TCP_BUFFERSIZE_UMTS_READ;
 640                                 wbuf_size = NET_TCP_BUFFERSIZE_UMTS_WRITE;
 641                                 break;
 642                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G_EDGE:
 643                                 rbuf_size = NET_TCP_BUFFERSIZE_EDGE_READ;
 644                                 wbuf_size = NET_TCP_BUFFERSIZE_EDGE_WRITE;
 645                                 break;
 646                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G:
 647                                 rbuf_size = NET_TCP_BUFFERSIZE_GPRS_READ;
 648                                 wbuf_size = NET_TCP_BUFFERSIZE_GPRS_WRITE;
 649                                 break;
 650                         default:
 651                                 /* TODO: Check LTE support */
 652                                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 653                                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 654                                 break;
 655                         }
 656                         break;
 657                 }
 658         } else {
 659                 DBG("Default TCP buffer configured");
 660
 661                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 662                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 663         }
 664
 665         if (rbuf_size != NULL) {
 666                 fdr = open(NET_PROC_SYS_NET_IPV4_TCP_RMEM, O_RDWR | O_CLOEXEC);
 667
 668                 if (fdr < 0 || write(fdr, rbuf_size, strlen(rbuf_size)) < 0)
 669                         ERR("Failed to set TCP read buffer size");
 670
 671                 if (fdr >= 0)
 672                         close(fdr);
 673         }
 674
 675         if (wbuf_size != NULL) {
 676                 fdw = open(NET_PROC_SYS_NET_IPv4_TCP_WMEM, O_RDWR | O_CLOEXEC);
 677
 678                 if (fdw < 0 || write(fdw, wbuf_size, strlen(wbuf_size)) < 0)
 679                         ERR("Failed to set TCP write buffer size");
 680
 681                 if (fdw >= 0)
 682                         close(fdw);
 683         }
 684
 685         /* As default */
 686         if (rmax_size == NULL)
 687                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 688         if (wmax_size == NULL)
 689                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 690
 691         if (rmax_size != NULL) {
 692                 fdrmax = open(NET_PROC_SYS_NET_CORE_RMEM_MAX, O_RDWR | O_CLOEXEC);
 693
 694                 if (fdrmax < 0 || write(fdrmax, rmax_size, strlen(rmax_size)) < 0)
 695                         ERR("Failed to set TCP rmem_max size");
 696
 697                 if (fdrmax >= 0)
 698                         close(fdrmax);
 699         }
 700
 701         if (wmax_size != NULL) {
 702                 fdwmax = open(NET_PROC_SYS_NET_CORE_WMEM_MAX, O_RDWR | O_CLOEXEC);
 703
 704                 if (fdwmax < 0 || write(fdwmax, wmax_size, strlen(wmax_size)) < 0)
 705                         ERR("Failed to set TCP wmem_max size");
 706
 707                 if (fdwmax >= 0)
 708                         close(fdwmax);
 709         }
 710 }
 711
 712 static void __netconfig_update_default_connection_info(void)
 713 {
 714         int old_network_status = 0;
 715         const char *profile = netconfig_get_default_profile();
 716         const char *ip_addr = netconfig_get_default_ipaddress();
 717         const char *ip_addr6 = netconfig_get_default_ipaddress6();
 718         const char *proxy_addr = netconfig_get_default_proxy();
 719         unsigned int freq = netconfig_get_default_frequency();
 720         GVariantBuilder *builder;
 721         GVariant *params;
 722
 723         if (emulator_is_emulated() == TRUE) {
 724                 builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 725
 726                 if (ip_addr != NULL) {
 727                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr);
 728                         g_variant_builder_add(builder, "{sv}", "IPv4Address",
 729                                                                   g_variant_new_string(ip_addr));
 730                 } else {
 731                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 732                         g_variant_builder_add(builder, "{sv}", "IPv4Address",
 733                                                                   g_variant_new_string(""));
 734                 }
 735
 736                 if (ip_addr6 != NULL) {
 737                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, ip_addr6);
 738                         g_variant_builder_add(builder, "{sv}", "IPv6Address",
 739                                                                   g_variant_new_string(ip_addr6));
 740                 } else {
 741                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, "");
 742                         g_variant_builder_add(builder, "{sv}", "IPv6Address",
 743                                                                   g_variant_new_string(""));
 744                 }
 745
 746                 params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 747                 g_variant_builder_unref(builder);
 748
 749                 netconfig_dbus_emit_signal(NULL, NETCONFIG_NETWORK_PATH,
 750                                                    NETCONFIG_NETWORK_INTERFACE, "NetworkConfigChanged",
 751                                                    params);
 752
 753                 return;
 754         }
 755
 756         if (profile == NULL)
 757                 DBG("Reset network state configuration");
 758         else
 759                 DBG("profile[%s] ipv4(%s) ipv6(%s) proxy(%s)", profile, ip_addr,
 760                         ip_addr6, proxy_addr);
 761
 762         netconfig_vconf_get_int(VCONFKEY_NETWORK_STATUS, &old_network_status);
 763
 764         if (profile == NULL && old_network_status != VCONFKEY_NETWORK_OFF) {
 765                 builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 766
 767                 netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 768                 g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 769                                                           g_variant_new_int32(VCONFKEY_NETWORK_OFF));
 770
 771                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 772                 g_variant_builder_add(builder, "{sv}", "IPv4Address",
 773                                                           g_variant_new_string(""));
 774
 775                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, "");
 776                 g_variant_builder_add(builder, "{sv}", "IPv6Address",
 777                                                           g_variant_new_string(""));
 778
 779                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 780                 g_variant_builder_add(builder, "{sv}", "ProxyAddress",
 781                                                           g_variant_new_string(""));
 782
 783                 params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 784
 785                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 0);
 786                 netconfig_dbus_emit_signal(NULL, NETCONFIG_NETWORK_PATH,
 787                                                    NETCONFIG_NETWORK_INTERFACE, "NetworkConfigChanged",
 788                                                    params);
 789                 netconfig_set_vconf_int("memory/private/wifi/frequency", 0);
 790
 791                 g_variant_builder_unref(builder);
 792
 793                 DBG("Successfully clear IP and PROXY up");
 794
 795         } else if (profile != NULL) {
 796                 char *old_ip = vconf_get_str(VCONFKEY_NETWORK_IP);
 797                 char *old_ip6 = vconf_get_str(VCONFKEY_NETWORK_IP6);
 798                 char *old_proxy = vconf_get_str(VCONFKEY_NETWORK_PROXY);
 799
 800                 builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 801
 802                 if (netconfig_is_wifi_profile(profile) == TRUE) {
 803                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS,
 804                                                                         VCONFKEY_NETWORK_WIFI);
 805                         g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 806                                                           g_variant_new_int32(VCONFKEY_NETWORK_WIFI));
 807                         netconfig_set_vconf_int("memory/private/wifi/frequency", freq);
 808
 809                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 810                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_WIFI);
 811                 } else if (netconfig_is_cellular_profile(profile)) {
 812
 813                         if (!netconfig_is_cellular_internet_profile(profile)) {
 814                                 DBG("connection is not a internet profile - stop to update the cellular state");
 815                                 if (old_ip)
 816                                         free(old_ip);
 817                                 if (old_ip6)
 818                                         free(old_ip6);
 819                                 if (old_proxy)
 820                                         free(old_proxy);
 821                                 return;
 822                         }
 823
 824                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS,
 825                                                                         VCONFKEY_NETWORK_CELLULAR);
 826                         g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 827                                                           g_variant_new_int32(VCONFKEY_NETWORK_CELLULAR));
 828
 829                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 830                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_CELLULAR);
 831                 } else if (netconfig_is_ethernet_profile(profile) == TRUE) {
 832                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS,
 833                                                                         VCONFKEY_NETWORK_ETHERNET);
 834                         g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 835                                                           g_variant_new_int32(VCONFKEY_NETWORK_ETHERNET));
 836                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 837                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_ETHERNET);
 838                 } else if (netconfig_is_bluetooth_profile(profile) == TRUE) {
 839                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS,
 840                                                                         VCONFKEY_NETWORK_BLUETOOTH);
 841                         g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 842                                                           g_variant_new_int32(VCONFKEY_NETWORK_BLUETOOTH));
 843                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 844                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_BT);
 845                 } else{
 846                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS,
 847                                                                         VCONFKEY_NETWORK_OFF);
 848                         g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 849                                                           g_variant_new_int32(VCONFKEY_NETWORK_OFF));
 850                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 851                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_DISCONNECTED);
 852                 }
 853
 854                 if (g_strcmp0(old_ip, ip_addr) != 0 || old_ip == NULL) {
 855                         if (ip_addr != NULL) {
 856                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr);
 857                                 g_variant_builder_add(builder, "{sv}", "IPv4Address",
 858                                                                   g_variant_new_string(ip_addr));
 859                         } else if (old_ip != NULL && strlen(old_ip) > 0) {
 860                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 861                                 g_variant_builder_add(builder, "{sv}", "IPv4Address",
 862                                                                   g_variant_new_string(""));
 863                         }
 864                 }
 865                 if (old_ip)
 866                         free(old_ip);
 867
 868                 if (g_strcmp0(old_ip6, ip_addr6) != 0 || old_ip6 == NULL) {
 869                         if (ip_addr6 != NULL) {
 870                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, ip_addr6);
 871                                 g_variant_builder_add(builder, "{sv}", "IPv6Address",
 872                                                                   g_variant_new_string(ip_addr6));
 873                         } else if (old_ip6 != NULL && strlen(old_ip6) > 0) {
 874                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, "");
 875                                 g_variant_builder_add(builder, "{sv}", "IPv6Address",
 876                                                                   g_variant_new_string(""));
 877                         }
 878                 }
 879                 if (old_ip6)
 880                         free(old_ip6);
 881
 882                 if (g_strcmp0(old_proxy, proxy_addr) != 0) {
 883                         if (proxy_addr == NULL) {
 884                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 885                                 g_variant_builder_add(builder, "{sv}", "ProxyAddress",
 886                                                                   g_variant_new_string(""));
 887                         } else {
 888                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, proxy_addr);
 889                                 g_variant_builder_add(builder, "{sv}", "ProxyAddress",
 890                                                                   g_variant_new_string(proxy_addr));
 891                         }
 892                 }
 893                 if (old_proxy)
 894                         free(old_proxy);
 895
 896                 params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 897
 898                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 1);
 899                 netconfig_dbus_emit_signal(NULL, NETCONFIG_NETWORK_PATH,
 900                                                    NETCONFIG_NETWORK_INTERFACE, "NetworkConfigChanged",
 901                                                    params);
 902
 903                 g_variant_builder_unref(builder);
 904
 905                 DBG("Successfully update default network configuration");
 906         }
 907
 908         __netconfig_adjust_tcp_buffer_size();
 909 }
 910
 911 static gboolean __netconfig_is_tech_state_connected(void)
 912 {
 913         gboolean ret = FALSE;
 914         GVariant *message = NULL, *variant;
 915         GVariantIter *iter, *next;
 916         gchar *path;
 917         gchar *key;
 918
 919         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 920                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 921                         "GetTechnologies", NULL);
 922
 923         if (message == NULL) {
 924                 DBG("Fail to get technology state");
 925                 return FALSE;
 926         }
 927
 928         g_variant_get(message, "(a(oa{sv}))", &iter);
 929         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 930                 if (path == NULL)
 931                         continue;
 932
 933                 while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
 934                         gboolean data;
 935                         if (g_strcmp0(key, "Connected") == 0) {
 936                                 data = g_variant_get_boolean(variant);
 937                                 DBG("%s [%s: %s]", path, key, data ? "True" : "False");
 938                                 if (TRUE == data) {
 939                                         ret = TRUE;
 940                                         g_free(path);
 941                                         g_free(key);
 942                                         g_variant_unref(variant);
 943                                         g_variant_iter_free(next);
 944                                         goto done;
 945                                 }
 946                         }
 947                 }
 948         }
 949
 950 done:
 951         g_variant_iter_free(iter);
 952         g_variant_unref(message);
 953
 954         return ret;
 955 }
 956
 957 static void __netconfig_update_if_service_connected(void)
 958 {
 959         GVariant *message = NULL, *var;
 960         GVariantIter *iter, *next;
 961         gchar *path;
 962         gchar *key;
 963
 964         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 965                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 966                         "GetServices", NULL);
 967
 968         if (message == NULL) {
 969                 ERR("Failed to get services");
 970                 return;
 971         }
 972
 973         g_variant_get(message, "(a(oa{sv}))", &iter);
 974         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 975                 if (path == NULL)
 976                         continue;
 977
 978                 if (g_str_has_prefix(path,
 979                                                 CONNMAN_WIFI_SERVICE_PROFILE_PREFIX) == TRUE) {
 980                         if (g_strrstr(path + strlen(CONNMAN_WIFI_SERVICE_PROFILE_PREFIX),
 981                                                         "hidden") != NULL) {
 982                                 /* skip hidden profiles */
 983                                 continue;
 984                         }
 985                         /* Process this */
 986                 } else if (g_str_has_prefix(path,
 987                                                 CONNMAN_CELLULAR_SERVICE_PROFILE_PREFIX) == TRUE) {
 988                         /* Process this */
 989                 } else if (g_str_has_prefix(path,
 990                                                 CONNMAN_ETHERNET_SERVICE_PROFILE_PREFIX) == TRUE) {
 991                         /* Process this */
 992                 } else {
 993                         continue;
 994                 }
 995
 996                 while (g_variant_iter_loop(next, "{sv}", &key, &var)) {
 997                         if (g_strcmp0(key, "State") == 0) {
 998                                 const gchar *sdata = NULL;
 999                                 sdata = g_variant_get_string(var, NULL);
1000                                 DBG("%s [%s: %s]", path, key, sdata);
1001
1002                                 if (g_strcmp0(sdata, "online") == 0 || g_strcmp0(sdata, "ready") == 0) {
1003
1004                                         /* Found a connected WiFi / 3G service.
1005                                          * Lets update the default profile info.
1006                                          */
1007                                         netconfig_update_default_profile((const gchar*)path);
1008                                         g_free(key);
1009                                         g_free(path);
1010                                         g_variant_unref(var);
1011                                         g_variant_iter_free(next);
1012                                         goto done;
1013                                 }
1014                         }
1015                 }
1016         }
1017 done:
1018         g_variant_iter_free(iter);
1019         g_variant_unref(message);
1020
1021         return;
1022 }
1023
1024 static void __netconfig_network_notify_result(const char *sig_name, const char *key)
1025 {
1026         GVariantBuilder *builder;
1027         GVariant *params;
1028
1029         INFO("[Signal] %s %s", sig_name, key);
1030
1031         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
1032         g_variant_builder_add(builder, "{sv}", "key", g_variant_new_string(key));
1033
1034         params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
1035         g_variant_builder_unref(builder);
1036
1037         netconfig_dbus_emit_signal(NULL,
1038                                 NETCONFIG_NETWORK_PATH,
1039                                 NETCONFIG_NETWORK_INTERFACE,
1040                                 sig_name,
1041                                 params);
1042
1043         return;
1044 }
1045
1046 const char *netconfig_get_default_profile(void)
1047 {
1048         return netconfig_default_connection_info.profile;
1049 }
1050
1051 const char *netconfig_get_default_ifname(void)
1052 {
1053         return netconfig_default_connection_info.ifname;
1054 }
1055
1056 const char *netconfig_get_default_ipaddress(void)
1057 {
1058         return netconfig_default_connection_info.ipaddress;
1059 }
1060
1061 const char *netconfig_get_default_ipaddress6(void)
1062 {
1063         return netconfig_default_connection_info.ipaddress6;
1064 }
1065
1066 const char *netconfig_get_default_proxy(void)
1067 {
1068         return netconfig_default_connection_info.proxy;
1069 }
1070
1071 unsigned int netconfig_get_default_frequency(void)
1072 {
1073         return netconfig_default_connection_info.freq;
1074 }
1075
1076 const char *netconfig_get_default_mac_address(void)
1077 {
1078         return netconfig_default_connection_info.mac_address;
1079 }
1080
1081 const char *netconfig_wifi_get_connected_essid(const char *default_profile)
1082 {
1083         if (default_profile == NULL)
1084                 return NULL;
1085
1086         if (netconfig_is_wifi_profile(default_profile) != TRUE)
1087                 return NULL;
1088
1089         if (g_strcmp0(default_profile, netconfig_default_connection_info.profile) != 0)
1090                 return NULL;
1091
1092         return netconfig_default_connection_info.essid;
1093 }
1094
1095 gboolean netconfig_get_default_is_metered(void)
1096 {
1097         return netconfig_default_connection_info.is_metered;
1098 }
1099
1100 static int __netconfig_reset_ipv4_socket(void)
1101 {
1102         int ret;
1103         int fd;
1104         struct ifreq ifr;
1105         struct sockaddr_in sai;
1106         const char *ipaddr = netconfig_get_default_ipaddress();
1107         DBG("ipaddr-[%s]", ipaddr);
1108
1109         if (!ipaddr)
1110                 return -1;
1111
1112         fd = socket(AF_INET, SOCK_DGRAM, 0);
1113         if (fd < 0)
1114                 return -1;
1115
1116         memset(&sai, 0, sizeof(struct sockaddr_in));
1117         sai.sin_family = AF_INET;
1118         sai.sin_port = 0;
1119         if (!inet_aton(ipaddr, &sai.sin_addr)) {
1120                 DBG("fail to inet_aton()");
1121                 close(fd);
1122                 return -1;
1123         }
1124
1125         memset(&ifr, 0, sizeof(struct ifreq));
1126         memcpy(&ifr.ifr_addr, &sai, sizeof(sai));
1127         g_strlcpy((char *)ifr.ifr_name, WIFI_IFNAME, IFNAMSIZ);
1128
1129 #ifndef SIOCKILLADDR
1130 #define SIOCKILLADDR    0x8939
1131 #endif
1132
1133         ret = ioctl(fd, SIOCKILLADDR, &ifr);
1134         if (ret < 0) {
1135                 DBG("fail to ioctl[SIOCKILLADDR]");
1136                 close(fd);
1137                 return -1;
1138         }
1139
1140         close(fd);
1141         return 0;
1142 }
1143
1144 void netconfig_update_default_profile(const char *profile)
1145 {
1146         static char *old_profile = NULL;
1147
1148         /* It's automatically updated by signal-handler
1149          * DO NOT update manually
1150          *
1151          * It is going to update default connection information
1152          */
1153
1154         if (netconfig_default_connection_info.profile != NULL) {
1155
1156                 if (netconfig_is_wifi_profile(netconfig_default_connection_info.profile))
1157                         __netconfig_reset_ipv4_socket();
1158
1159                 g_free(old_profile);
1160                 old_profile = strdup(netconfig_default_connection_info.profile);
1161
1162                 g_free(netconfig_default_connection_info.profile);
1163                 netconfig_default_connection_info.profile = NULL;
1164
1165                 g_free(netconfig_default_connection_info.ifname);
1166                 netconfig_default_connection_info.ifname = NULL;
1167
1168                 g_free(netconfig_default_connection_info.ipaddress);
1169                 netconfig_default_connection_info.ipaddress = NULL;
1170
1171                 g_free(netconfig_default_connection_info.ipaddress6);
1172                 netconfig_default_connection_info.ipaddress6 = NULL;
1173
1174                 g_free(netconfig_default_connection_info.proxy);
1175                 netconfig_default_connection_info.proxy = NULL;
1176
1177                 g_free(netconfig_default_connection_info.mac_address);
1178                 netconfig_default_connection_info.mac_address = NULL;
1179
1180                 netconfig_default_connection_info.freq = 0;
1181                 netconfig_default_connection_info.is_metered = FALSE;
1182
1183                 g_free(netconfig_default_connection_info.essid);
1184                 netconfig_default_connection_info.essid = NULL;
1185         }
1186
1187         /* default profile is NULL and new connected profile is NULL */
1188         if (!profile) {
1189                 char *tmp_profile = __netconfig_get_default_profile();
1190
1191                 if (tmp_profile && netconfig_is_cellular_profile(tmp_profile) &&
1192                         !netconfig_is_cellular_internet_profile(tmp_profile)) {
1193                         DBG("not a default cellular profile");
1194                         g_free(tmp_profile);
1195                         tmp_profile = NULL;
1196                 }
1197
1198                 if (!tmp_profile) {
1199                         __netconfig_update_default_connection_info();
1200                         return;
1201                 }
1202
1203                 netconfig_default_connection_info.profile = g_strdup(tmp_profile);
1204                 __netconfig_get_default_connection_info(tmp_profile);
1205                 __netconfig_update_default_connection_info();
1206                 g_free(tmp_profile);
1207                 return;
1208         }
1209
1210         netconfig_default_connection_info.profile = g_strdup(profile);
1211         __netconfig_get_default_connection_info(profile);
1212         __netconfig_update_default_connection_info();
1213 }
1214
1215 void netconfig_update_default(void)
1216 {
1217         if (__netconfig_is_tech_state_connected() == TRUE)
1218                 __netconfig_update_if_service_connected();
1219         else
1220                 __netconfig_adjust_tcp_buffer_size();
1221 }
1222
1223 char *netconfig_get_ifname(const char *profile)
1224 {
1225         GVariant *message = NULL, *variant;
1226         GVariantIter *iter, *next, *service;
1227         gchar *obj_path;
1228         gchar *key;
1229         gchar *key1;
1230         const gchar *value = NULL;
1231         gchar *ifname = NULL;
1232         gboolean found_profile = 0;
1233
1234         if (profile == NULL)
1235                 return NULL;
1236
1237         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
1238                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
1239                         "GetServices", NULL);
1240         if (message == NULL) {
1241                 ERR("Failed to get services informations");
1242                 return NULL;
1243         }
1244
1245         g_variant_get(message, "(a(oa{sv}))", &service);
1246         while (g_variant_iter_loop(service, "(oa{sv})", &obj_path, &iter)) {
1247                 if (g_strcmp0(obj_path, profile) == 0) {
1248                         g_free(obj_path);
1249                         found_profile = 1;
1250                         break;
1251                 }
1252         }
1253
1254         if (found_profile == 0) {
1255                 ERR("Profile %s doesn't exist", profile);
1256                 g_variant_iter_free(service);
1257                 g_variant_unref(message);
1258                 return NULL;
1259         }
1260
1261         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
1262                 if (g_strcmp0(key, "Ethernet") == 0) {
1263                         while (g_variant_iter_loop(next, "{sv}", &key1, &variant)) {
1264                                 if (g_strcmp0(key1, "Interface") == 0) {
1265                                         value = g_variant_get_string(variant, NULL);
1266                                         if (!ifname)
1267                                                 ifname = g_strdup(value);
1268                                         g_free(key1);
1269                                         g_variant_unref(variant);
1270                                         break;
1271                                 }
1272                         }
1273                 }
1274         }
1275
1276         g_variant_unref(message);
1277
1278         g_variant_iter_free(service);
1279         g_variant_iter_free(iter);
1280
1281         return ifname;
1282 }
1283
1284 /* Check Ethernet Cable Plug-in /Plug-out Status */
1285 void netconfig_network_notify_ethernet_cable_state(const char *key)
1286 {
1287         __netconfig_network_notify_result("EthernetCableState", key);
1288 }
1289
1290 static gboolean handle_add_route(
1291                 Network *object,
1292                 GDBusMethodInvocation *context,
1293                 gchar *ip_addr,
1294                 gchar *netmask,
1295                 gchar *interface,  gchar *gateway, gint address_family)
1296 {
1297         const gchar *path = ROUTE_EXEC_PATH;
1298         gchar gw_str[64] = {0,};
1299         if (gateway != NULL && strlen(gateway) > 1)
1300                 g_snprintf(gw_str, 64, "gw %s", gateway);
1301         gchar *const args[] = { "/sbin/route", "add", "-net", ip_addr, gw_str,
1302                 "netmask", netmask, "dev", interface, NULL };
1303         gchar *const envs[] = { NULL };
1304         const gchar* buf = NULL;
1305         gchar* ch = NULL;
1306         int prefix_len = 0;
1307         int pos = 0;
1308
1309         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
1310
1311         switch (address_family) {
1312         case AF_INET:
1313                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
1314                         ERR("Invalid parameter");
1315                         netconfig_error_invalid_parameter(context);
1316                         return TRUE;
1317                 }
1318
1319                 if (netconfig_execute_file(path, args, envs) < 0) {
1320                         DBG("Failed to add a new route");
1321                         netconfig_error_permission_denied(context);
1322                         return TRUE;
1323                 }
1324
1325                 break;
1326         case AF_INET6:
1327                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
1328                         ERR("Invalid parameter");
1329                         netconfig_error_invalid_parameter(context);
1330                         return TRUE;
1331                 }
1332
1333                 buf = ip_addr;
1334                 ch = strchr(buf, '/');
1335                 pos = ch - buf + 1;
1336                 if (ch) {
1337                         prefix_len = atoi(ch + 1);
1338                         ip_addr[pos-1] = '\0';
1339                 } else {
1340                         prefix_len = 128;
1341                 }
1342
1343                 if (netconfig_add_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
1344                         DBG("Failed to add a new route");
1345                         netconfig_error_permission_denied(context);
1346                         return TRUE;
1347                 }
1348                 break;
1349         default:
1350                 DBG("Unknown Address Family");
1351                 netconfig_error_invalid_parameter(context);
1352                 return TRUE;
1353         }
1354
1355         DBG("Successfully added a new route");
1356         network_complete_add_route(object, context, TRUE);
1357         return TRUE;
1358 }
1359
1360 static gboolean handle_remove_route(
1361                 Network *object,
1362                 GDBusMethodInvocation *context,
1363                 gchar *ip_addr,
1364                 gchar *netmask,
1365                 gchar *interface, gchar *gateway, gint address_family)
1366 {
1367         const char *path = ROUTE_EXEC_PATH;
1368         gchar gw_str[64] = {0,};
1369         if (gateway != NULL && strlen(gateway) > 1)
1370                 g_snprintf(gw_str, 64, "gw %s", gateway);
1371         gchar *const args[] = { "/sbin/route", "del", "-net", ip_addr, gw_str,
1372                 "netmask", netmask, "dev", interface, NULL };
1373         char *const envs[] = { NULL };
1374         const char* buf = NULL;
1375         char* ch = NULL;
1376         int prefix_len = 0;
1377         int pos = 0;
1378
1379         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
1380
1381         switch (address_family) {
1382         case AF_INET:
1383                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
1384                         DBG("Invalid parameter!");
1385                         netconfig_error_invalid_parameter(context);
1386                         return TRUE;
1387                 }
1388                 if (netconfig_execute_file(path, args, envs) < 0) {
1389                         DBG("Failed to remove the route");
1390                         netconfig_error_permission_denied(context);
1391                         return TRUE;
1392                 }
1393                 break;
1394         case AF_INET6:
1395                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
1396                         DBG("Invalid parameter!");
1397                         netconfig_error_invalid_parameter(context);
1398                         return TRUE;
1399                 }
1400
1401                 buf = ip_addr;
1402                 ch = strchr(buf, '/');
1403                 pos = ch - buf + 1;
1404                 if (ch) {
1405                         prefix_len = atoi(ch + 1);
1406                         ip_addr[pos-1] = '\0';
1407                 } else {
1408                         prefix_len = 128;
1409                 }
1410
1411                 if (netconfig_del_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
1412                         DBG("Failed to remove the route");
1413                         netconfig_error_permission_denied(context);
1414                         return TRUE;
1415                 }
1416                 break;
1417         default:
1418                 DBG("Unknown Address Family");
1419                 netconfig_error_invalid_parameter(context);
1420                 return TRUE;
1421         }
1422
1423         DBG("Successfully removed the route");
1424         network_complete_remove_route(object, context, TRUE);
1425         return TRUE;
1426 }
1427
1428 static gboolean handle_check_get_privilege(Network *object,
1429                 GDBusMethodInvocation *context)
1430 {
1431         network_complete_check_get_privilege(object, context);
1432         return TRUE;
1433 }
1434
1435
1436 static gboolean handle_check_profile_privilege(Network *object,
1437                 GDBusMethodInvocation *context)
1438 {
1439         network_complete_check_profile_privilege(object, context);
1440         return TRUE;
1441 }
1442
1443 static gboolean handle_check_internet_privilege(Network *object,
1444                 GDBusMethodInvocation *context)
1445 {
1446         network_complete_check_internet_privilege(object, context);
1447         return TRUE;
1448 }
1449
1450 gboolean handle_ethernet_cable_state(Network *object,
1451         GDBusMethodInvocation *context)
1452 {
1453         int ret = 0;
1454         int state = 0;
1455
1456         ret = netconfig_get_ethernet_cable_state(&state);
1457         if (ret != 0) {
1458                 DBG("Failed to get ethernet cable state");
1459                 netconfig_error_fail_ethernet_cable_state(context);
1460                 return TRUE;
1461         }
1462
1463         DBG("Successfully get ethernet cable state[%d]", state);
1464         network_complete_ethernet_cable_state(object, context, state);
1465         return TRUE;
1466 }
1467
1468 gboolean handle_get_metered_info(Network *object,
1469         GDBusMethodInvocation *context)
1470 {
1471         gboolean state = 0;
1472
1473         state = netconfig_get_default_is_metered();
1474
1475         DBG("Default metered state [%s]", state ? "TRUE" : "FALSE");
1476         network_complete_get_metered_info(object, context, state);
1477         return TRUE;
1478 }
1479
1480 gboolean handle_preferred_ipv6_address(Network *object,
1481         GDBusMethodInvocation *context, gchar *profile)
1482 {
1483         char *address = NULL;
1484
1485         address = __netconfig_get_preferred_ipv6_address(profile);
1486         if (address == NULL) {
1487                 DBG("Failed to get preferred IPv6 address");
1488                 netconfig_error_fail_preferred_ipv6_address(context);
1489                 return TRUE;
1490         }
1491
1492         DBG("Successfully get preferred IPv6 address[%s]", address);
1493         network_complete_preferred_ipv6_address(object, context, address);
1494         return TRUE;
1495 }
1496
1497 void state_object_create_and_init(void)
1498 {
1499         DBG("Creating network state object");
1500         GDBusInterfaceSkeleton *interface_network = NULL;
1501 #if defined TIZEN_DEBUG_ENABLE
1502         GDBusInterfaceSkeleton *interface_tcpdump = NULL;
1503 #endif
1504         GDBusConnection *connection = NULL;
1505         GDBusObjectManagerServer *server = netdbus_get_state_manager();
1506         if (server == NULL)
1507                 return;
1508
1509         connection = netdbus_get_connection();
1510         g_dbus_object_manager_server_set_connection(server, connection);
1511
1512         /*Interface netconfig.network*/
1513         netconfigstate = network_skeleton_new();
1514
1515         interface_network = G_DBUS_INTERFACE_SKELETON(netconfigstate);
1516         g_signal_connect(netconfigstate, "handle-add-route",
1517                                 G_CALLBACK(handle_add_route), NULL);
1518         g_signal_connect(netconfigstate, "handle-check-get-privilege",
1519                                 G_CALLBACK(handle_check_get_privilege), NULL);
1520         g_signal_connect(netconfigstate, "handle-check-profile-privilege",
1521                                 G_CALLBACK(handle_check_profile_privilege), NULL);
1522         g_signal_connect(netconfigstate, "handle-check-internet-privilege",
1523                                 G_CALLBACK(handle_check_internet_privilege), NULL);
1524         g_signal_connect(netconfigstate, "handle-ethernet-cable-state",
1525                                 G_CALLBACK(handle_ethernet_cable_state), NULL);
1526         g_signal_connect(netconfigstate, "handle-preferred-ipv6-address",
1527                                 G_CALLBACK(handle_preferred_ipv6_address), NULL);
1528         g_signal_connect(netconfigstate, "handle-remove-route",
1529                                 G_CALLBACK(handle_remove_route), NULL);
1530         g_signal_connect(netconfigstate, "handle-launch-mdns",
1531                                 G_CALLBACK(handle_launch_mdns), NULL);
1532         g_signal_connect(netconfigstate, "handle-device-policy-set-wifi",
1533                                 G_CALLBACK(handle_device_policy_set_wifi), NULL);
1534         g_signal_connect(netconfigstate, "handle-device-policy-get-wifi",
1535                                 G_CALLBACK(handle_device_policy_get_wifi), NULL);
1536         g_signal_connect(netconfigstate, "handle-device-policy-set-wifi-profile",
1537                                 G_CALLBACK(handle_device_policy_set_wifi_profile), NULL);
1538         g_signal_connect(netconfigstate, "handle-device-policy-get-wifi-profile",
1539                                 G_CALLBACK(handle_device_policy_get_wifi_profile), NULL);
1540         g_signal_connect(netconfigstate, "handle-get-metered-info",
1541                                 G_CALLBACK(handle_get_metered_info), NULL);
1542
1543         if (!g_dbus_interface_skeleton_export(interface_network, connection,
1544                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1545                 ERR("Export with path failed");
1546         }
1547
1548 #if defined TIZEN_DEBUG_ENABLE
1549         /*Interface netconfig.tcpdump*/
1550         tcpdump_object = tcpdump_skeleton_new();
1551
1552         interface_tcpdump = G_DBUS_INTERFACE_SKELETON(tcpdump_object);
1553         g_signal_connect(tcpdump_object, "handle-start-tcpdump",
1554                                 G_CALLBACK(handle_start_tcpdump), NULL);
1555         g_signal_connect(tcpdump_object, "handle-stop-tcpdump",
1556                                 G_CALLBACK(handle_stop_tcpdump), NULL);
1557         g_signal_connect(tcpdump_object, "handle-get-tcpdump-state",
1558                                 G_CALLBACK(handle_get_tcpdump_state), NULL);
1559
1560         if (!g_dbus_interface_skeleton_export(interface_tcpdump, connection,
1561                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1562                 ERR("Export with path failed");
1563         }
1564 #endif
1565 }
1566
1567 void state_object_deinit(void)
1568 {
1569         g_object_unref(netconfigstate);
1570 #if defined TIZEN_DEBUG_ENABLE
1571         g_object_unref(tcpdump_object);
1572 #endif
1573 }