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 <stdio.h>
  25 #include <stdlib.h>
  26 #include <net/if.h>
  27 #include <arpa/inet.h>
  28 #include <netinet/in.h>
  29 #include <sys/ioctl.h>
  30
  31 #include "log.h"
  32 #include "util.h"
  33 #include "setting.h"
  34 #include "netdbus.h"
  35 #include "neterror.h"
  36 #include "emulator.h"
  37 #include "wifi-state.h"
  38 #include "wifi-power.h"
  39 #include "network-state.h"
  40 #include "network-dpm.h"
  41 #include "network-monitor.h"
  42 #include "netsupplicant.h"
  43 #include "clatd-handler.h"
  44 #if defined TIZEN_DEBUG_ENABLE
  45 #include "network-dump.h"
  46 #endif
  47
  48 #include "generated-code.h"
  49 /* Define TCP buffer sizes for various networks */
  50 /* ReadMin, ReadInitial, ReadMax */ /* WriteMin, WriteInitial, WriteMax */
  51 #define NET_TCP_BUFFERSIZE_DEFAULT_READ         "4096 87380 704512"
  52 #define NET_TCP_BUFFERSIZE_DEFAULT_WRITE        "4096 16384 110208"
  53 #define NET_TCP_BUFFERSIZE_WIFI_READ            "524288 1048576 2560000"
  54 #define NET_TCP_BUFFERSIZE_WIFI_WRITE           "524288 1048576 2560000"
  55 #define NET_TCP_BUFFERSIZE_LTE_READ             "524288 1048576 2560000"
  56 #define NET_TCP_BUFFERSIZE_LTE_WRITE            "524288 1048576 2560000"
  57 #define NET_TCP_BUFFERSIZE_UMTS_READ            "4094 87380 704512"
  58 #define NET_TCP_BUFFERSIZE_UMTS_WRITE           "4096 16384 110208"
  59 #define NET_TCP_BUFFERSIZE_HSPA_READ            "4092 87380 704512"
  60 #define NET_TCP_BUFFERSIZE_HSPA_WRITE           "4096 16384 262144"
  61 #define NET_TCP_BUFFERSIZE_HSDPA_READ           "4092 87380 704512"
  62 #define NET_TCP_BUFFERSIZE_HSDPA_WRITE          "4096 16384 262144"
  63 #define NET_TCP_BUFFERSIZE_HSUPA_READ           "4092 87380 704512"
  64 #define NET_TCP_BUFFERSIZE_HSUPA_WRITE          "4096 16384 262144"
  65 #define NET_TCP_BUFFERSIZE_HSPAP_READ           "4092 87380 1220608"
  66 #define NET_TCP_BUFFERSIZE_HSPAP_WRITE          "4096 16384 1220608"
  67 #define NET_TCP_BUFFERSIZE_EDGE_READ            "4093 26280 35040"
  68 #define NET_TCP_BUFFERSIZE_EDGE_WRITE           "4096 16384 35040"
  69 #define NET_TCP_BUFFERSIZE_GPRS_READ            "4096 30000 30000"
  70 #define NET_TCP_BUFFERSIZE_GPRS_WRITE           "4096 8760 11680"
  71
  72 #define NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX        "1048576"
  73 #define NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX        "2097152"
  74 #define NET_TCP_BUFFERSIZE_LTE_RMEM_MAX         "5242880"
  75
  76 #define NET_TCP_BUFFERSIZE_WIFID_WMEM_MAX       "2097152"
  77
  78 #define NET_PROC_SYS_NET_IPV4_TCP_RMEM                  "/proc/sys/net/ipv4/tcp_rmem"
  79 #define NET_PROC_SYS_NET_IPv4_TCP_WMEM                  "/proc/sys/net/ipv4/tcp_wmem"
  80 #define NET_PROC_SYS_NET_IPV4_UDP_MEM                   "/proc/sys/net/ipv4/udp_mem"
  81 #define NET_PROC_SYS_NET_CORE_RMEM_DEFAULT              "/proc/sys/net/core/rmem_default"
  82 #define NET_PROC_SYS_NET_CORE_RMEM_MAX                  "/proc/sys/net/core/rmem_max"
  83 #define NET_PROC_SYS_NET_CORE_WMEM_DEFAULT              "/proc/sys/net/core/wmem_default"
  84 #define NET_PROC_SYS_NET_CORE_WMEM_MAX                  "/proc/sys/net/core/wmem_max"
  85
  86 #define ROUTE_EXEC_PATH                                         "/sbin/route"
  87
  88 #define TELEPHONY_SERVICE                       "com.tcore.ps"
  89 #define TELEPHONY_MASTER_INTERFACE              TELEPHONY_SERVICE ".master"
  90 #define TELEPHONY_MODEM_INTERFACE               TELEPHONY_SERVICE ".modem"
  91 #define TELEPHONY_PROFILE_INTERFACE             TELEPHONY_SERVICE ".context"
  92 #define TELEPHONY_MASTER_PATH                   "/"
  93 #define NET_PROFILE_NAME_LEN_MAX 512
  94
  95 typedef struct {
  96         char                    profile_name[NET_PROFILE_NAME_LEN_MAX];
  97 } net_profile_name_t;
  98
  99 static Network *netconfigstate = NULL;
 100 #if defined TIZEN_DEBUG_ENABLE
 101 static Tcpdump *tcpdump_object = NULL;
 102 #endif
 103 static Battery *battery_object = NULL;
 104
 105 struct netconfig_default_connection {
 106         char *profile;
 107         char *ifname;
 108         char *mac_address;
 109         char *ipaddress;
 110         char *ipaddress6;
 111         char *proxy;
 112         char *essid;
 113         unsigned int freq;
 114         gboolean is_metered;
 115 };
 116
 117 static struct netconfig_default_connection
 118                                 netconfig_default_connection_info = { NULL, };
 119
 120 gboolean netconfig_iface_network_state_ethernet_cable_state(gint32 *state);
 121
 122 static gboolean __netconfig_is_connected(GVariantIter *array)
 123 {
 124         gboolean is_connected = FALSE;
 125         GVariant *variant = NULL;
 126         gchar *key = NULL;
 127         const gchar *value = NULL;
 128
 129         while (g_variant_iter_loop(array, "{sv}", &key, &variant)) {
 130                 if (g_strcmp0(key, "State") != 0)
 131                         continue;
 132
 133                 if (g_variant_is_of_type(variant, G_VARIANT_TYPE_STRING)) {
 134                         value = g_variant_get_string(variant, NULL);
 135                         if (g_strcmp0(value, "ready") == 0 || g_strcmp0(value, "online") == 0)
 136                                 is_connected = TRUE;
 137                 }
 138
 139                 g_free(key);
 140                 g_variant_unref(variant);
 141                 break;
 142         }
 143
 144         return is_connected;
 145 }
 146
 147 static int __netconfig_telephony_get_modem_object_path(GSList **modem_path_list)
 148 {
 149         GVariant *result;
 150         GVariantIter *iter_modem = NULL;
 151         GVariantIter *modem_properties = NULL;
 152         const char *modem_path;
 153
 154         result = netconfig_invoke_dbus_method(TELEPHONY_SERVICE, TELEPHONY_MASTER_PATH,
 155                         TELEPHONY_MASTER_INTERFACE, "GetModems", NULL);
 156         if (result == NULL) {
 157                 ERR("Failed to get modem path list");
 158                 return -1;
 159         }
 160
 161         g_variant_get(result, "(a{sa{ss}})", &iter_modem);
 162         while (g_variant_iter_loop(iter_modem, "{sa{ss}}", &modem_path, &modem_properties)) {
 163                 *modem_path_list = g_slist_append(*modem_path_list, g_strdup(modem_path));
 164                 DBG("modem object path: %s",    modem_path);
 165         }
 166
 167         g_variant_iter_free(iter_modem);
 168         g_variant_unref(result);
 169
 170         return 0;
 171 }
 172
 173 static int __netconfig_telephony_get_profile_list(net_profile_name_t **profile_list,
 174                 int *profile_count)
 175 {
 176         int ret = 0;
 177         int count = 0, i = 0;
 178         const char *str = NULL;
 179         GVariant *result;
 180         GVariantIter *iter = NULL;
 181         GSList *profiles = NULL, *list = NULL;
 182         net_profile_name_t *plist = NULL;
 183
 184         GSList *modem_path_list = NULL;
 185         const char *path = NULL;
 186
 187         ret = __netconfig_telephony_get_modem_object_path(&modem_path_list);
 188         if (ret < 0) {
 189                 ERR("Failed to get modems path list");
 190
 191                 g_slist_free_full(modem_path_list, g_free);
 192                 return ret;
 193         }
 194
 195         for (list = modem_path_list; list != NULL; list = list->next) {
 196                 path = (const char *)list->data;
 197
 198                 DBG("path: %s", path);
 199                 result = netconfig_invoke_dbus_method(TELEPHONY_SERVICE, path,
 200                                 TELEPHONY_MODEM_INTERFACE, "GetProfileList", NULL);
 201                 if (result == NULL) {
 202                         DBG("Failed to get profiles: %s", path);
 203                         continue;
 204                 }
 205
 206                 g_variant_get(result, "(as)", &iter);
 207                 while (g_variant_iter_loop(iter, "s", &str))
 208                         profiles = g_slist_append(profiles, g_strdup(str));
 209
 210                 g_variant_iter_free(iter);
 211                 g_variant_unref(result);
 212         }
 213
 214         g_slist_free_full(modem_path_list, g_free);
 215
 216         count = g_slist_length(profiles);
 217         if (count > 0) {
 218                 plist = (net_profile_name_t*)malloc(sizeof(net_profile_name_t) * count);
 219         } else {
 220                 *profile_count = 0;
 221                 goto out;
 222         }
 223
 224         if (plist == NULL) {
 225                 ERR("Failed to allocate memory");
 226                 *profile_count = 0;
 227                 ret = -1;
 228                 goto out;
 229         }
 230
 231         for (list = profiles, i = 0; list != NULL; list = list->next, i++)
 232                 g_strlcpy(plist[i].profile_name,
 233                                 (const char *)list->data, NET_PROFILE_NAME_LEN_MAX);
 234
 235         *profile_list = plist;
 236         *profile_count = count;
 237
 238 out:
 239         g_slist_free_full(profiles, g_free);
 240
 241         return ret;
 242 }
 243
 244 static int __netconfig_telephony_search_pdp_profile(const char* profile_name, net_profile_name_t* pdp_name)
 245 {
 246         int ret;
 247         net_profile_name_t* profile_list = NULL;
 248         char* prof_name = NULL;
 249         char* tel_prof_name = NULL;
 250         char* found_ptr = NULL;
 251         int profile_count = 0;
 252         int i;
 253
 254         /* Get pdp profile list from telephony service */
 255         ret = __netconfig_telephony_get_profile_list(&profile_list, &profile_count);
 256         if (ret < 0) {
 257                 ERR("Failed to get profile list from telephony service");
 258                 g_free(profile_list);
 259                 return ret;
 260         }
 261
 262         if (profile_list == NULL || profile_count <= 0) {
 263                 ERR("There is no PDP profiles");
 264                 g_free(profile_list);
 265                 return -1;
 266         }
 267
 268         /* Find matching profile */
 269         prof_name = strrchr(profile_name, '/') + 1;
 270         for (i = 0; i < profile_count; i++) {
 271                 tel_prof_name = strrchr(profile_list[i].profile_name, '/') + 1;
 272                 found_ptr = strstr(prof_name, tel_prof_name);
 273
 274                 if (found_ptr != NULL && g_strcmp0(found_ptr, tel_prof_name) == 0) {
 275                         g_strlcpy(pdp_name->profile_name,
 276                                         profile_list[i].profile_name, NET_PROFILE_NAME_LEN_MAX);
 277
 278                         DBG("PDP profile name found in cellular profile: %s", pdp_name->profile_name);
 279                         break;
 280                 }
 281         }
 282
 283         if (i >= profile_count) {
 284                 ERR("There is no matching PDP profiles");
 285                 g_free(profile_list);
 286                 return -1;
 287         }
 288
 289         g_free(profile_list);
 290
 291         return ret;
 292 }
 293
 294 static gboolean __netconfig_telephony_get_metered_info(net_profile_name_t* pdp_name)
 295 {
 296         GVariant *result;
 297         GVariantIter *iter;
 298         const gchar *key = NULL;
 299         const gchar *value = NULL;
 300         gboolean ret = FALSE;
 301
 302         if (pdp_name == NULL) {
 303                 ERR("Invalid parameter!");
 304                 return ret;
 305         }
 306
 307         result = netconfig_invoke_dbus_method(TELEPHONY_SERVICE, pdp_name->profile_name,
 308                         TELEPHONY_PROFILE_INTERFACE, "GetProfile", NULL);
 309         if (result == NULL) {
 310                 ERR("_net_invoke_dbus_method failed");
 311                 return ret;
 312         }
 313
 314         g_variant_get(result, "(a{ss})", &iter);
 315         while (g_variant_iter_next(iter, "{ss}", &key, &value)) {
 316                 if (g_strcmp0(key, "is_metered") == 0) {
 317                         if (value == NULL)
 318                                 continue;
 319
 320                         if (g_strcmp0(value, "TRUE") == 0)
 321                                 ret = TRUE;
 322                 }
 323         }
 324
 325         g_variant_iter_free(iter);
 326         g_variant_unref(result);
 327
 328         DBG("is_metered = %s", ret ? "TRUE" : "FALSE");
 329
 330         return ret;
 331 }
 332
 333 static int __netconfig_reset_ipv4_socket(const char *interface_name)
 334 {
 335         int ret;
 336         int fd;
 337         struct ifreq ifr;
 338         struct sockaddr_in sai;
 339         const char *ipaddr = netconfig_get_default_ipaddress();
 340         DBG("ipaddr-[%s]", ipaddr);
 341
 342         if (!ipaddr)
 343                 return -1;
 344
 345         fd = socket(AF_INET, SOCK_DGRAM, 0);
 346         if (fd < 0)
 347                 return -1;
 348
 349         memset(&sai, 0, sizeof(struct sockaddr_in));
 350         sai.sin_family = AF_INET;
 351         sai.sin_port = 0;
 352         if (!inet_aton(ipaddr, &sai.sin_addr)) {
 353                 DBG("fail to inet_aton()");
 354                 close(fd);
 355                 return -1;
 356         }
 357
 358         memset(&ifr, 0, sizeof(struct ifreq));
 359         memcpy(&ifr.ifr_addr, &sai, sizeof(sai));
 360         g_strlcpy((char *)ifr.ifr_name, interface_name, IFNAMSIZ);
 361
 362 #ifndef SIOCKILLADDR
 363 #define SIOCKILLADDR    0x8939
 364 #endif
 365
 366         ret = ioctl(fd, SIOCKILLADDR, &ifr);
 367         if (ret < 0) {
 368                 DBG("fail to ioctl[SIOCKILLADDR]");
 369                 close(fd);
 370                 return -1;
 371         }
 372
 373         close(fd);
 374         return 0;
 375 }
 376
 377 static void __netconfig_clear_default_connection_info(void)
 378 {
 379         static char *old_profile = NULL;
 380
 381         if (netconfig_default_connection_info.profile != NULL) {
 382
 383                 if (netconfig_is_wifi_profile(netconfig_default_connection_info.profile))
 384                         __netconfig_reset_ipv4_socket(netconfig_default_connection_info.ifname);
 385
 386                 g_free(old_profile);
 387                 old_profile = strdup(netconfig_default_connection_info.profile);
 388
 389                 g_free(netconfig_default_connection_info.profile);
 390                 netconfig_default_connection_info.profile = NULL;
 391
 392                 g_free(netconfig_default_connection_info.ifname);
 393                 netconfig_default_connection_info.ifname = NULL;
 394
 395                 g_free(netconfig_default_connection_info.ipaddress);
 396                 netconfig_default_connection_info.ipaddress = NULL;
 397
 398                 g_free(netconfig_default_connection_info.ipaddress6);
 399                 netconfig_default_connection_info.ipaddress6 = NULL;
 400
 401                 g_free(netconfig_default_connection_info.proxy);
 402                 netconfig_default_connection_info.proxy = NULL;
 403
 404                 g_free(netconfig_default_connection_info.mac_address);
 405                 netconfig_default_connection_info.mac_address = NULL;
 406
 407                 netconfig_default_connection_info.freq = 0;
 408                 netconfig_default_connection_info.is_metered = FALSE;
 409
 410                 g_free(netconfig_default_connection_info.essid);
 411                 netconfig_default_connection_info.essid = NULL;
 412         }
 413 }
 414
 415 static gboolean __netconfig_get_default_connection_info(void)
 416 {
 417         GVariant *message = NULL, *variant = NULL, *variant2 = NULL;
 418         GVariantIter *iter = NULL, *iter1 = NULL;
 419         GVariant *var = NULL;
 420         gchar *obj_path;
 421         gchar *key = NULL;
 422         gchar *key1 = NULL;
 423         gchar *key2 = NULL;
 424
 425         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 426                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 427                         "GetDefaultService", NULL);
 428         if (message == NULL) {
 429                 ERR("Failed to get services informations");
 430                 return FALSE;
 431         }
 432
 433         if (!g_variant_is_of_type(message, G_VARIANT_TYPE("(oa{sv})"))) {
 434                 DBG("There is no default service");
 435                 __netconfig_clear_default_connection_info();
 436                 g_variant_unref(message);
 437                 return TRUE;
 438         }
 439
 440         g_variant_get(message, "(oa{sv})", &obj_path, &iter);
 441
 442         if (g_strcmp0(obj_path, netconfig_default_connection_info.profile) == 0) {
 443                 g_variant_unref(message);
 444                 g_variant_iter_free(iter);
 445                 return FALSE;
 446         }
 447
 448         __netconfig_clear_default_connection_info();
 449
 450         netconfig_default_connection_info.profile = g_strdup(obj_path);
 451
 452         while (g_variant_iter_loop(iter, "{sv}", &key, &var)) {
 453                 const gchar *value = NULL;
 454                 guint16 freq = 0;
 455                 if (g_strcmp0(key, "Name") == 0 &&
 456                                 netconfig_is_wifi_profile(obj_path) == TRUE) {
 457                         if (g_variant_is_of_type(var, G_VARIANT_TYPE_STRING)) {
 458                                 value = g_variant_get_string(var, NULL);
 459
 460                                 netconfig_default_connection_info.essid = g_strdup(value);
 461                         }
 462                 } else if (g_strcmp0(key, "Ethernet") == 0) {
 463                         g_variant_get(var, "a{sv}", &iter1);
 464                         if (iter1 == NULL)
 465                                 continue;
 466                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 467                                 if (g_strcmp0(key1, "Interface") == 0) {
 468                                         value = g_variant_get_string(variant, NULL);
 469                                         netconfig_default_connection_info.ifname = g_strdup(value);
 470                                 } else if (g_strcmp0(key1, "Address") == 0) {
 471                                         value = g_variant_get_string(variant, NULL);
 472                                         netconfig_default_connection_info.mac_address = g_strdup(value);
 473                                 }
 474                         }
 475                         g_variant_iter_free(iter1);
 476                 } else if (g_strcmp0(key, "IPv4") == 0) {
 477                         g_variant_get(var, "a{sv}", &iter1);
 478                         if (iter1 == NULL)
 479                                 continue;
 480                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 481                                 if (g_strcmp0(key1, "Address") == 0) {
 482                                         value = g_variant_get_string(variant, NULL);
 483                                         netconfig_default_connection_info.ipaddress = g_strdup(value);
 484                                 }
 485                         }
 486                         g_variant_iter_free(iter1);
 487                 } else if (g_strcmp0(key, "IPv6") == 0) {
 488                         g_variant_get(var, "a{sv}", &iter1);
 489                         if (iter1 == NULL)
 490                                 continue;
 491                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 492                                 if (g_strcmp0(key1, "Address") == 0) {
 493                                         value = g_variant_get_string(variant, NULL);
 494                                         netconfig_default_connection_info.ipaddress6 = g_strdup(value);
 495                                 }
 496                         }
 497                         g_variant_iter_free(iter1);
 498
 499                 } else if (g_strcmp0(key, "Proxy") == 0) {
 500                         g_variant_get(var, "a{sv}", &iter1);
 501                         if (iter1 == NULL)
 502                                 continue;
 503                         while (g_variant_iter_loop(iter1, "{sv}", &key2, &variant2)) {
 504                                 GVariantIter *iter_sub = NULL;
 505
 506                                 if (g_strcmp0(key2, "Servers") == 0) {
 507                                         if (!g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING_ARRAY)) {
 508                                                 g_free(key2);
 509                                                 g_variant_unref(variant2);
 510                                                 break;
 511                                         }
 512
 513                                         g_variant_get(variant2, "as", &iter_sub);
 514                                         g_variant_iter_loop(iter_sub, "s", &value);
 515                                         g_variant_iter_free(iter_sub);
 516                                         if (value != NULL && (strlen(value) > 0))
 517                                                 netconfig_default_connection_info.proxy = g_strdup(value);
 518                                 } else if (g_strcmp0(key2, "Method") == 0) {
 519                                         if (g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING)) {
 520                                                 g_free(key2);
 521                                                 g_variant_unref(variant2);
 522                                                 break;
 523                                         }
 524
 525                                         value = g_variant_get_string(variant2, NULL);
 526                                         if (g_strcmp0(value, "direct") == 0) {
 527                                                 g_free(netconfig_default_connection_info.proxy);
 528                                                 netconfig_default_connection_info.proxy = NULL;
 529
 530                                                 g_free(key2);
 531                                                 g_variant_unref(variant2);
 532                                                 break;
 533                                         }
 534                                 }
 535                         }
 536                         g_variant_iter_free(iter1);
 537                 } else if (g_strcmp0(key, "Frequency") == 0) {
 538                         if (g_variant_is_of_type(var, G_VARIANT_TYPE_UINT16)) {
 539                                 freq = g_variant_get_uint16(var);
 540                                 netconfig_default_connection_info.freq = freq;
 541                         }
 542                 }
 543         }
 544
 545         if (netconfig_is_cellular_profile(obj_path) == TRUE) {
 546                 net_profile_name_t pdp_name;
 547                 int ret;
 548
 549                 ret = __netconfig_telephony_search_pdp_profile(obj_path, &pdp_name);
 550                 if (ret >= 0 && strlen(pdp_name.profile_name) > 0)
 551                         if (__netconfig_telephony_get_metered_info(&pdp_name))
 552                                 netconfig_default_connection_info.is_metered = TRUE;
 553         }
 554
 555         g_variant_unref(message);
 556         g_variant_iter_free(iter);
 557
 558         return TRUE;
 559 }
 560
 561 static char *__netconfig_get_preferred_ipv6_address(char *profile)
 562 {
 563         GVariant *message = NULL, *variant = NULL, *next = NULL;
 564         GVariantIter *iter = NULL, *sub_iter = NULL, *service = NULL;
 565         gchar *obj_path;
 566         gchar *key = NULL;
 567         gchar *sub_key = NULL;
 568         gchar *preferred_address6 = NULL;
 569         gboolean found_profile = 0;
 570
 571         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 572                                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 573                                         "GetServices", NULL);
 574         if (message == NULL) {
 575                 ERR("Failed to get service informations");
 576                 goto done;
 577         }
 578
 579         g_variant_get(message, "(a(oa{sv}))", &service);
 580         if (service == NULL) {
 581                 ERR("Failed to get services iter");
 582                 goto done;
 583         }
 584
 585         while (g_variant_iter_loop(service, "(oa{sv})", &obj_path, &iter)) {
 586                 if (g_strcmp0(obj_path, profile) == 0) {
 587                         g_free(obj_path);
 588                         found_profile = 1;
 589                         break;
 590                 }
 591         }
 592
 593         if (iter == NULL || found_profile == 0) {
 594                 ERR("Profile %s doesn't exist", profile);
 595                         goto done;
 596         }
 597
 598         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 599                 const gchar *value = NULL;
 600                 if (g_strcmp0(key, "IPv6") == 0) {
 601                         g_variant_get(next, "a{sv}", &sub_iter);
 602                         if (sub_iter == NULL)
 603                                 continue;
 604                         while (g_variant_iter_loop(sub_iter, "{sv}", &sub_key, &variant)) {
 605                                 if (g_strcmp0(sub_key, "Address") == 0) {
 606                                         value = g_variant_get_string(variant, NULL);
 607                                         if (!preferred_address6)
 608                                                 preferred_address6 = g_strdup(value);
 609                                 }
 610                         }
 611                         g_variant_iter_free(sub_iter);
 612                 }
 613         }
 614
 615 done:
 616         if (message)
 617                 g_variant_unref(message);
 618
 619         if (iter)
 620                 g_variant_iter_free(iter);
 621
 622         if (service)
 623                 g_variant_iter_free(service);
 624
 625         return preferred_address6;
 626 }
 627
 628 static void __netconfig_adjust_tcp_buffer_size(void)
 629 {
 630         int fdr = 0, fdw = 0;
 631         int fdrmax = 0, fdwmax = 0;
 632         const char *rbuf_size = NULL;
 633         const char *wbuf_size = NULL;
 634         const char *rmax_size = NULL;
 635         const char *wmax_size = NULL;
 636         const char *profile = netconfig_get_default_profile();
 637
 638         if (profile == NULL) {
 639                 DBG("There is no default connection");
 640
 641                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 642                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 643         } else if (netconfig_is_wifi_profile(profile) == TRUE) {
 644                 DBG("Default connection: Wi-Fi");
 645
 646                 rbuf_size = NET_TCP_BUFFERSIZE_WIFI_READ;
 647                 wbuf_size = NET_TCP_BUFFERSIZE_WIFI_WRITE;
 648                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 649                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 650         } else if (netconfig_is_cellular_profile(profile) == TRUE) {
 651                 int telephony_svctype = 0, telephony_pstype = 0;
 652
 653                 netconfig_get_telephony_network_type(&telephony_svctype, &telephony_pstype);
 654                 DBG("Default cellular %d, %d", telephony_svctype, telephony_pstype);
 655
 656                 switch (telephony_pstype) {
 657                 case VCONFKEY_TELEPHONY_PSTYPE_HSPA:
 658                         rbuf_size = NET_TCP_BUFFERSIZE_HSPA_READ;
 659                         wbuf_size = NET_TCP_BUFFERSIZE_HSPA_WRITE;
 660                         break;
 661                 case VCONFKEY_TELEPHONY_PSTYPE_HSUPA:
 662                         rbuf_size = NET_TCP_BUFFERSIZE_HSUPA_READ;
 663                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 664                         break;
 665                 case VCONFKEY_TELEPHONY_PSTYPE_HSDPA:
 666                         rbuf_size = NET_TCP_BUFFERSIZE_HSDPA_READ;
 667                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 668                         break;
 669 #if !defined TIZEN_WEARABLE
 670                 case VCONFKEY_TELEPHONY_PSTYPE_HSPAP:
 671                         rbuf_size = NET_TCP_BUFFERSIZE_HSPAP_READ;
 672                         wbuf_size = NET_TCP_BUFFERSIZE_HSPAP_WRITE;
 673                         break;
 674 #endif
 675                 default:
 676                         switch (telephony_svctype) {
 677                         case VCONFKEY_TELEPHONY_SVCTYPE_LTE:
 678                                 rbuf_size = NET_TCP_BUFFERSIZE_LTE_READ;
 679                                 wbuf_size = NET_TCP_BUFFERSIZE_LTE_WRITE;
 680                                 rmax_size = NET_TCP_BUFFERSIZE_LTE_RMEM_MAX;
 681                                 break;
 682                         case VCONFKEY_TELEPHONY_SVCTYPE_3G:
 683                                 rbuf_size = NET_TCP_BUFFERSIZE_UMTS_READ;
 684                                 wbuf_size = NET_TCP_BUFFERSIZE_UMTS_WRITE;
 685                                 break;
 686                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G_EDGE:
 687                                 rbuf_size = NET_TCP_BUFFERSIZE_EDGE_READ;
 688                                 wbuf_size = NET_TCP_BUFFERSIZE_EDGE_WRITE;
 689                                 break;
 690                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G:
 691                                 rbuf_size = NET_TCP_BUFFERSIZE_GPRS_READ;
 692                                 wbuf_size = NET_TCP_BUFFERSIZE_GPRS_WRITE;
 693                                 break;
 694                         default:
 695                                 /* TODO: Check LTE support */
 696                                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 697                                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 698                                 break;
 699                         }
 700                         break;
 701                 }
 702         } else {
 703                 DBG("Default TCP buffer configured");
 704
 705                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 706                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 707         }
 708
 709         if (rbuf_size != NULL) {
 710                 fdr = open(NET_PROC_SYS_NET_IPV4_TCP_RMEM, O_RDWR | O_CLOEXEC);
 711
 712                 if (fdr < 0 || write(fdr, rbuf_size, strlen(rbuf_size)) < 0)
 713                         ERR("Failed to set TCP read buffer size");
 714
 715                 if (fdr >= 0)
 716                         close(fdr);
 717         }
 718
 719         if (wbuf_size != NULL) {
 720                 fdw = open(NET_PROC_SYS_NET_IPv4_TCP_WMEM, O_RDWR | O_CLOEXEC);
 721
 722                 if (fdw < 0 || write(fdw, wbuf_size, strlen(wbuf_size)) < 0)
 723                         ERR("Failed to set TCP write buffer size");
 724
 725                 if (fdw >= 0)
 726                         close(fdw);
 727         }
 728
 729         /* As default */
 730         if (rmax_size == NULL)
 731                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 732         if (wmax_size == NULL)
 733                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 734
 735         if (rmax_size != NULL) {
 736                 fdrmax = open(NET_PROC_SYS_NET_CORE_RMEM_MAX, O_RDWR | O_CLOEXEC);
 737
 738                 if (fdrmax < 0 || write(fdrmax, rmax_size, strlen(rmax_size)) < 0)
 739                         ERR("Failed to set TCP rmem_max size");
 740
 741                 if (fdrmax >= 0)
 742                         close(fdrmax);
 743         }
 744
 745         if (wmax_size != NULL) {
 746                 fdwmax = open(NET_PROC_SYS_NET_CORE_WMEM_MAX, O_RDWR | O_CLOEXEC);
 747
 748                 if (fdwmax < 0 || write(fdwmax, wmax_size, strlen(wmax_size)) < 0)
 749                         ERR("Failed to set TCP wmem_max size");
 750
 751                 if (fdwmax >= 0)
 752                         close(fdwmax);
 753         }
 754 }
 755
 756 static void __netconfig_write_socket_buffer_size(const char *path, int size)
 757 {
 758         int fd = 0;
 759         char buf[11] = {0, };
 760
 761         snprintf(buf, sizeof(buf) - 1, "%d", size);
 762         fd = open(path, O_RDWR | O_CLOEXEC);
 763         if (fd < 0) {
 764                 ERR("Failed to open %s", path);
 765                 return;
 766         }
 767
 768         if (write(fd, buf, strlen(buf)) < 0)
 769                 ERR("Failed to set %s", path);
 770         close(fd);
 771 }
 772
 773 static void __netconfig_write_socket_buffer_size_list(const char *path, int *size)
 774 {
 775         int fd = 0;
 776         char buf[33] = {0, };
 777
 778         snprintf(buf, sizeof(buf) - 1, "%d %d %d", size[0], size[1], size[2]);
 779         fd = open(path, O_RDWR | O_CLOEXEC);
 780         if (fd < 0) {
 781                 ERR("Failed to open %s", path);
 782                 return;
 783         }
 784
 785         if (write(fd, buf, strlen(buf)) < 0)
 786                 ERR("Failed to set %s", path);
 787         close(fd);
 788 }
 789
 790 static void __netconfig_adjust_udp_buffer_size(void)
 791 {
 792         int rmem_default = netconfig_setting_get_read_buffer_size_default();
 793         int rmem_max = netconfig_setting_get_read_buffer_size_max();
 794         int wmem_default = netconfig_setting_get_write_buffer_size_default();
 795         int wmem_max = netconfig_setting_get_write_buffer_size_max();
 796         int *udp_mem = netconfig_setting_get_ipv4_udp_buffer_size();
 797
 798         if (rmem_default == 0 || rmem_max == 0 ||
 799                         wmem_default == 0 || wmem_max == 0 || udp_mem == NULL) {
 800                 ERR("Failed to get udp buffer size information. Do nothing.");
 801                 return;
 802         }
 803
 804         __netconfig_write_socket_buffer_size(NET_PROC_SYS_NET_CORE_RMEM_DEFAULT, rmem_default);
 805         __netconfig_write_socket_buffer_size(NET_PROC_SYS_NET_CORE_RMEM_MAX, rmem_max);
 806         __netconfig_write_socket_buffer_size(NET_PROC_SYS_NET_CORE_WMEM_DEFAULT, wmem_default);
 807         __netconfig_write_socket_buffer_size(NET_PROC_SYS_NET_CORE_WMEM_MAX, wmem_max);
 808         __netconfig_write_socket_buffer_size_list(NET_PROC_SYS_NET_IPV4_UDP_MEM, udp_mem);
 809 }
 810
 811 static void __netconfig_update_default_connection_info(void)
 812 {
 813         int old_network_status = 0;
 814         const char *profile = netconfig_get_default_profile();
 815         const char *ip_addr = netconfig_get_default_ipaddress();
 816         const char *ip_addr6 = netconfig_get_default_ipaddress6();
 817         const char *proxy_addr = netconfig_get_default_proxy();
 818         unsigned int freq = netconfig_get_default_frequency();
 819         GVariantBuilder *builder;
 820         GVariant *params;
 821
 822         if (emulator_is_emulated() == TRUE) {
 823                 builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 824
 825                 if (ip_addr != NULL) {
 826                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr, TRUE);
 827                         g_variant_builder_add(builder, "{sv}", "IPv4Address",
 828                                                                   g_variant_new_string(ip_addr));
 829                 } else {
 830                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "", TRUE);
 831                         g_variant_builder_add(builder, "{sv}", "IPv4Address",
 832                                                                   g_variant_new_string(""));
 833                 }
 834
 835                 if (ip_addr6 != NULL) {
 836                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, ip_addr6, TRUE);
 837                         g_variant_builder_add(builder, "{sv}", "IPv6Address",
 838                                                                   g_variant_new_string(ip_addr6));
 839                 } else {
 840                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, "", TRUE);
 841                         g_variant_builder_add(builder, "{sv}", "IPv6Address",
 842                                                                   g_variant_new_string(""));
 843                 }
 844
 845                 params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 846                 g_variant_builder_unref(builder);
 847
 848                 netconfig_dbus_emit_signal(NULL, NETCONFIG_NETWORK_PATH,
 849                                                    NETCONFIG_NETWORK_INTERFACE, "NetworkConfigChanged",
 850                                                    params);
 851
 852                 return;
 853         }
 854
 855         if (profile == NULL)
 856                 DBG("Reset network state configuration");
 857         else
 858                 DBG("profile[%s] ipv4(%s) ipv6(%s) proxy(%s)", profile, ip_addr,
 859                         ip_addr6, proxy_addr);
 860
 861         netconfig_vconf_get_int(VCONFKEY_NETWORK_STATUS, &old_network_status);
 862
 863         if (profile == NULL && old_network_status != VCONFKEY_NETWORK_OFF) {
 864                 builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 865
 866                 netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF, TRUE);
 867                 g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 868                                                           g_variant_new_int32(VCONFKEY_NETWORK_OFF));
 869
 870                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "", TRUE);
 871                 g_variant_builder_add(builder, "{sv}", "IPv4Address",
 872                                                           g_variant_new_string(""));
 873
 874                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, "", TRUE);
 875                 g_variant_builder_add(builder, "{sv}", "IPv6Address",
 876                                                           g_variant_new_string(""));
 877
 878                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "", TRUE);
 879                 g_variant_builder_add(builder, "{sv}", "ProxyAddress",
 880                                                           g_variant_new_string(""));
 881
 882                 params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 883
 884                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 0, TRUE);
 885                 netconfig_dbus_emit_signal(NULL, NETCONFIG_NETWORK_PATH,
 886                                                    NETCONFIG_NETWORK_INTERFACE, "NetworkConfigChanged",
 887                                                    params);
 888                 netconfig_set_vconf_int("memory/private/wifi/frequency", 0, TRUE);
 889
 890                 g_variant_builder_unref(builder);
 891
 892                 DBG("Successfully clear IP and PROXY up");
 893
 894                 /* Try to disable CLATD if it was enabled */
 895                 DBG("Disable clatd");
 896                 netconfig_clatd_disable();
 897         } else if (profile != NULL) {
 898                 char *old_ip = vconf_get_str(VCONFKEY_NETWORK_IP);
 899                 char *old_ip6 = vconf_get_str(VCONFKEY_NETWORK_IP6);
 900                 char *old_proxy = vconf_get_str(VCONFKEY_NETWORK_PROXY);
 901
 902                 builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 903
 904                 if (netconfig_is_wifi_profile(profile) == TRUE) {
 905                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_WIFI, TRUE);
 906                         g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 907                                                           g_variant_new_int32(VCONFKEY_NETWORK_WIFI));
 908                         netconfig_set_vconf_int("memory/private/wifi/frequency", freq, TRUE);
 909
 910                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 911                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_WIFI);
 912                 } else if (netconfig_is_cellular_profile(profile)) {
 913
 914                         if (!netconfig_is_cellular_internet_profile(profile)) {
 915                                 DBG("connection is not a internet profile - stop to update the cellular state");
 916                                 if (old_ip)
 917                                         free(old_ip);
 918                                 if (old_ip6)
 919                                         free(old_ip6);
 920                                 if (old_proxy)
 921                                         free(old_proxy);
 922                                 return;
 923                         }
 924
 925                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_CELLULAR, TRUE);
 926                         g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 927                                                           g_variant_new_int32(VCONFKEY_NETWORK_CELLULAR));
 928
 929                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 930                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_CELLULAR);
 931                         /* Enable clatd if IPv6 is set and no IPv4 address */
 932                         if (!ip_addr && ip_addr6) {
 933                                 DBG("Enable clatd");
 934                                 netconfig_clatd_enable();
 935                         }
 936                 } else if (netconfig_is_ethernet_profile(profile) == TRUE) {
 937                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_ETHERNET, TRUE);
 938                         g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 939                                                           g_variant_new_int32(VCONFKEY_NETWORK_ETHERNET));
 940                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 941                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_ETHERNET);
 942                 } else if (netconfig_is_bluetooth_profile(profile) == TRUE) {
 943                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_BLUETOOTH, TRUE);
 944                         g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 945                                                           g_variant_new_int32(VCONFKEY_NETWORK_BLUETOOTH));
 946                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 947                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_BT);
 948                 } else{
 949                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF, TRUE);
 950                         g_variant_builder_add(builder, "{sv}", "NetworkStatus",
 951                                                           g_variant_new_int32(VCONFKEY_NETWORK_OFF));
 952                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 953                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_DISCONNECTED);
 954                 }
 955
 956                 if (g_strcmp0(old_ip, ip_addr) != 0 || old_ip == NULL) {
 957                         if (ip_addr != NULL) {
 958                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr, TRUE);
 959                                 g_variant_builder_add(builder, "{sv}", "IPv4Address",
 960                                                                   g_variant_new_string(ip_addr));
 961                         } else if (old_ip != NULL && strlen(old_ip) > 0) {
 962                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "", TRUE);
 963                                 g_variant_builder_add(builder, "{sv}", "IPv4Address",
 964                                                                   g_variant_new_string(""));
 965                         }
 966                 }
 967                 if (old_ip)
 968                         free(old_ip);
 969
 970                 if (g_strcmp0(old_ip6, ip_addr6) != 0 || old_ip6 == NULL) {
 971                         if (ip_addr6 != NULL) {
 972                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, ip_addr6, TRUE);
 973                                 g_variant_builder_add(builder, "{sv}", "IPv6Address",
 974                                                                   g_variant_new_string(ip_addr6));
 975                         } else if (old_ip6 != NULL && strlen(old_ip6) > 0) {
 976                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, "", TRUE);
 977                                 g_variant_builder_add(builder, "{sv}", "IPv6Address",
 978                                                                   g_variant_new_string(""));
 979                         }
 980                 }
 981                 if (old_ip6)
 982                         free(old_ip6);
 983
 984                 if (g_strcmp0(old_proxy, proxy_addr) != 0) {
 985                         if (proxy_addr == NULL) {
 986                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "", TRUE);
 987                                 g_variant_builder_add(builder, "{sv}", "ProxyAddress",
 988                                                                   g_variant_new_string(""));
 989                         } else {
 990                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, proxy_addr, TRUE);
 991                                 g_variant_builder_add(builder, "{sv}", "ProxyAddress",
 992                                                                   g_variant_new_string(proxy_addr));
 993                         }
 994                 }
 995                 if (old_proxy)
 996                         free(old_proxy);
 997
 998                 params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 999
1000                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 1, TRUE);
1001                 netconfig_dbus_emit_signal(NULL, NETCONFIG_NETWORK_PATH,
1002                                                    NETCONFIG_NETWORK_INTERFACE, "NetworkConfigChanged",
1003                                                    params);
1004
1005                 g_variant_builder_unref(builder);
1006
1007                 DBG("Successfully update default network configuration");
1008         }
1009
1010         __netconfig_adjust_tcp_buffer_size();
1011         __netconfig_adjust_udp_buffer_size();
1012 }
1013
1014 static gboolean __netconfig_is_tech_state_connected(void)
1015 {
1016         gboolean ret = FALSE;
1017         GVariant *message = NULL, *variant;
1018         GVariantIter *iter, *next;
1019         gchar *path;
1020         gchar *key;
1021
1022         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
1023                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
1024                         "GetTechnologies", NULL);
1025
1026         if (message == NULL) {
1027                 DBG("Fail to get technology state");
1028                 return FALSE;
1029         }
1030
1031         g_variant_get(message, "(a(oa{sv}))", &iter);
1032         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
1033                 if (path == NULL)
1034                         continue;
1035
1036                 while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
1037                         gboolean data;
1038                         if (g_strcmp0(key, "Connected") == 0) {
1039                                 data = g_variant_get_boolean(variant);
1040                                 DBG("%s [%s: %s]", path, key, data ? "True" : "False");
1041                                 if (TRUE == data) {
1042                                         ret = TRUE;
1043                                         g_free(path);
1044                                         g_free(key);
1045                                         g_variant_unref(variant);
1046                                         g_variant_iter_free(next);
1047                                         goto done;
1048                                 }
1049                         }
1050                 }
1051         }
1052
1053 done:
1054         g_variant_iter_free(iter);
1055         g_variant_unref(message);
1056
1057         return ret;
1058 }
1059
1060 static void __netconfig_network_notify_result(const char *sig_name, const char *key)
1061 {
1062         GVariantBuilder *builder;
1063         GVariant *params;
1064
1065         INFO("[Signal] %s %s", sig_name, key);
1066
1067         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
1068         g_variant_builder_add(builder, "{sv}", "key", g_variant_new_string(key));
1069
1070         params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
1071         g_variant_builder_unref(builder);
1072
1073         netconfig_dbus_emit_signal(NULL,
1074                                 NETCONFIG_NETWORK_PATH,
1075                                 NETCONFIG_NETWORK_INTERFACE,
1076                                 sig_name,
1077                                 params);
1078
1079         return;
1080 }
1081
1082 static char *__netconfig_get_mac_address(const char *profile)
1083 {
1084         char mac_str[MAC_ADDRESS_MAX_LEN] = { 0, };
1085         const char *orgin = NULL;
1086         int org_index, dst_index;
1087         int i;
1088
1089         org_index = strlen(CONNMAN_WIFI_SERVICE_PROFILE_PREFIX);
1090         dst_index = 0;
1091
1092         for (i = 0; i < 6; i++) {
1093                 orgin = &profile[org_index];
1094
1095                 memcpy(&mac_str[dst_index], orgin, 2);
1096                 if (i < 5)
1097                         mac_str[dst_index + 2] = ':';
1098                 else
1099                         mac_str[dst_index + 2] = '\0';
1100
1101                 org_index += 2;
1102                 dst_index += 3;
1103         }
1104
1105         return g_strdup(mac_str);
1106 }
1107
1108 const char *netconfig_get_default_profile(void)
1109 {
1110         return netconfig_default_connection_info.profile;
1111 }
1112
1113 const char *netconfig_get_default_ifname(void)
1114 {
1115         return netconfig_default_connection_info.ifname;
1116 }
1117
1118 const char *netconfig_get_default_ipaddress(void)
1119 {
1120         return netconfig_default_connection_info.ipaddress;
1121 }
1122
1123
1124 const char *netconfig_get_default_ipaddress6(void)
1125 {
1126         return netconfig_default_connection_info.ipaddress6;
1127 }
1128
1129 const char *netconfig_get_default_proxy(void)
1130 {
1131         return netconfig_default_connection_info.proxy;
1132 }
1133
1134 unsigned int netconfig_get_default_frequency(void)
1135 {
1136         return netconfig_default_connection_info.freq;
1137 }
1138
1139 const char *netconfig_get_default_mac_address(void)
1140 {
1141         return netconfig_default_connection_info.mac_address;
1142 }
1143
1144 const char *netconfig_wifi_get_connected_essid(const char *default_profile)
1145 {
1146         if (default_profile == NULL)
1147                 return NULL;
1148
1149         if (netconfig_is_wifi_profile(default_profile) != TRUE)
1150                 return NULL;
1151
1152         if (g_strcmp0(default_profile, netconfig_default_connection_info.profile) != 0)
1153                 return NULL;
1154
1155         return netconfig_default_connection_info.essid;
1156 }
1157
1158 gboolean netconfig_get_default_is_metered(void)
1159 {
1160         return netconfig_default_connection_info.is_metered;
1161 }
1162
1163 void netconfig_set_default_ipaddress(const char *ipaddr)
1164 {
1165         netconfig_default_connection_info.ipaddress = g_strdup(ipaddr);
1166 }
1167
1168 void netconfig_set_default_ipaddress6(const char *ipaddr)
1169 {
1170         netconfig_default_connection_info.ipaddress6 = g_strdup(ipaddr);
1171 }
1172
1173 void netconfig_set_default_proxy(const char *proxy)
1174 {
1175         netconfig_default_connection_info.proxy = g_strdup(proxy);
1176 }
1177
1178 void netconfig_update_default_profile(void)
1179 {
1180         if (__netconfig_get_default_connection_info())
1181                 __netconfig_update_default_connection_info();
1182 }
1183
1184 void netconfig_update_default(void)
1185 {
1186         if (__netconfig_is_tech_state_connected() == TRUE) {
1187                 netconfig_update_default_profile();
1188         } else {
1189                 __netconfig_adjust_tcp_buffer_size();
1190                 __netconfig_adjust_udp_buffer_size();
1191         }
1192 }
1193
1194 const char *netconfig_get_ifname(const char *profile)
1195 {
1196         const char *ifname = NULL;
1197         char *mac_addr = NULL;
1198
1199         mac_addr = __netconfig_get_mac_address(profile);
1200         ifname = wifi_state_get_interface_name(mac_addr);
1201
1202         g_free(mac_addr);
1203         return ifname;
1204 }
1205
1206 /* Check Ethernet Cable Plug-in /Plug-out Status */
1207 void netconfig_network_notify_ethernet_cable_state(const char *key)
1208 {
1209         __netconfig_network_notify_result("EthernetCableState", key);
1210 }
1211
1212 static gboolean handle_add_route(
1213                 Network *object,
1214                 GDBusMethodInvocation *context,
1215                 gchar *ip_addr,
1216                 gchar *netmask,
1217                 gchar *interface,  gchar *gateway, gint address_family)
1218 {
1219         const gchar *path = ROUTE_EXEC_PATH;
1220         gchar gw_str[64] = {0,};
1221         if (gateway != NULL && strlen(gateway) > 1)
1222                 g_snprintf(gw_str, 64, "gw %s", gateway);
1223         gchar *const args[] = { "/sbin/route", "add", "-net", ip_addr, gw_str,
1224                 "netmask", netmask, "dev", interface, NULL };
1225         gchar *const envs[] = { NULL };
1226         const gchar* buf = NULL;
1227         gchar* ch = NULL;
1228         int prefix_len = 0;
1229         int pos = 0;
1230
1231         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
1232
1233         switch (address_family) {
1234         case AF_INET:
1235                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
1236                         ERR("Invalid parameter");
1237                         netconfig_error_invalid_parameter(context);
1238                         return TRUE;
1239                 }
1240
1241                 if (netconfig_execute_file(path, args, envs) < 0) {
1242                         DBG("Failed to add a new route");
1243                         netconfig_error_permission_denied(context);
1244                         return TRUE;
1245                 }
1246
1247                 break;
1248         case AF_INET6:
1249                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
1250                         ERR("Invalid parameter");
1251                         netconfig_error_invalid_parameter(context);
1252                         return TRUE;
1253                 }
1254
1255                 buf = ip_addr;
1256                 ch = strchr(buf, '/');
1257                 pos = ch - buf + 1;
1258                 if (ch) {
1259                         prefix_len = atoi(ch + 1);
1260                         ip_addr[pos-1] = '\0';
1261                 } else {
1262                         prefix_len = 128;
1263                 }
1264
1265                 if (netconfig_add_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
1266                         DBG("Failed to add a new route");
1267                         netconfig_error_permission_denied(context);
1268                         return TRUE;
1269                 }
1270                 break;
1271         default:
1272                 DBG("Unknown Address Family");
1273                 netconfig_error_invalid_parameter(context);
1274                 return TRUE;
1275         }
1276
1277         DBG("Successfully added a new route");
1278         network_complete_add_route(object, context, TRUE);
1279         return TRUE;
1280 }
1281
1282 static gboolean handle_remove_route(
1283                 Network *object,
1284                 GDBusMethodInvocation *context,
1285                 gchar *ip_addr,
1286                 gchar *netmask,
1287                 gchar *interface, gchar *gateway, gint address_family)
1288 {
1289         const char *path = ROUTE_EXEC_PATH;
1290         gchar gw_str[64] = {0,};
1291         if (gateway != NULL && strlen(gateway) > 1)
1292                 g_snprintf(gw_str, 64, "gw %s", gateway);
1293         gchar *const args[] = { "/sbin/route", "del", "-net", ip_addr, gw_str,
1294                 "netmask", netmask, "dev", interface, NULL };
1295         char *const envs[] = { NULL };
1296         const char* buf = NULL;
1297         char* ch = NULL;
1298         int prefix_len = 0;
1299         int pos = 0;
1300
1301         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
1302
1303         switch (address_family) {
1304         case AF_INET:
1305                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
1306                         DBG("Invalid parameter!");
1307                         netconfig_error_invalid_parameter(context);
1308                         return TRUE;
1309                 }
1310                 if (netconfig_execute_file(path, args, envs) < 0) {
1311                         DBG("Failed to remove the route");
1312                         netconfig_error_permission_denied(context);
1313                         return TRUE;
1314                 }
1315                 break;
1316         case AF_INET6:
1317                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
1318                         DBG("Invalid parameter!");
1319                         netconfig_error_invalid_parameter(context);
1320                         return TRUE;
1321                 }
1322
1323                 buf = ip_addr;
1324                 ch = strchr(buf, '/');
1325                 pos = ch - buf + 1;
1326                 if (ch) {
1327                         prefix_len = atoi(ch + 1);
1328                         ip_addr[pos-1] = '\0';
1329                 } else {
1330                         prefix_len = 128;
1331                 }
1332
1333                 if (netconfig_del_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
1334                         DBG("Failed to remove the route");
1335                         netconfig_error_permission_denied(context);
1336                         return TRUE;
1337                 }
1338                 break;
1339         default:
1340                 DBG("Unknown Address Family");
1341                 netconfig_error_invalid_parameter(context);
1342                 return TRUE;
1343         }
1344
1345         DBG("Successfully removed the route");
1346         network_complete_remove_route(object, context, TRUE);
1347         return TRUE;
1348 }
1349
1350 static gboolean handle_check_get_privilege(Network *object,
1351                 GDBusMethodInvocation *context)
1352 {
1353         network_complete_check_get_privilege(object, context);
1354         return TRUE;
1355 }
1356
1357
1358 static gboolean handle_check_profile_privilege(Network *object,
1359                 GDBusMethodInvocation *context)
1360 {
1361         network_complete_check_profile_privilege(object, context);
1362         return TRUE;
1363 }
1364
1365 static gboolean handle_check_internet_privilege(Network *object,
1366                 GDBusMethodInvocation *context)
1367 {
1368         network_complete_check_internet_privilege(object, context);
1369         return TRUE;
1370 }
1371
1372 gboolean handle_ethernet_cable_state(Network *object,
1373         GDBusMethodInvocation *context)
1374 {
1375         int ret = 0;
1376         int state = 0;
1377
1378         ret = netconfig_get_ethernet_cable_state(&state);
1379         if (ret != 0) {
1380                 DBG("Failed to get ethernet cable state");
1381                 netconfig_error_fail_ethernet_cable_state(context);
1382                 return TRUE;
1383         }
1384
1385         DBG("Successfully get ethernet cable state[%d]", state);
1386         network_complete_ethernet_cable_state(object, context, state);
1387         return TRUE;
1388 }
1389
1390 gboolean handle_get_metered_info(Network *object,
1391         GDBusMethodInvocation *context)
1392 {
1393         gboolean state = 0;
1394
1395         state = netconfig_get_default_is_metered();
1396
1397         DBG("Default metered state [%s]", state ? "TRUE" : "FALSE");
1398         network_complete_get_metered_info(object, context, state);
1399         return TRUE;
1400 }
1401
1402 gboolean handle_preferred_ipv6_address(Network *object,
1403         GDBusMethodInvocation *context, gchar *profile)
1404 {
1405         char *address = NULL;
1406
1407         address = __netconfig_get_preferred_ipv6_address(profile);
1408         if (address == NULL) {
1409                 DBG("Failed to get preferred IPv6 address");
1410                 netconfig_error_fail_preferred_ipv6_address(context);
1411                 return TRUE;
1412         }
1413
1414         DBG("Successfully get preferred IPv6 address[%s]", address);
1415         network_complete_preferred_ipv6_address(object, context, address);
1416         return TRUE;
1417 }
1418
1419 gboolean handle_get_battery_dn_list(Battery *object,
1420         GDBusMethodInvocation *context)
1421 {
1422         GVariantBuilder *builder = NULL;
1423         GVariant *ret_params = NULL;
1424         gchar *params_str = NULL;
1425
1426         builder = g_variant_builder_new(G_VARIANT_TYPE("aa{sv}"));
1427
1428         netconfig_battery_get_dn_list(builder);
1429
1430         ret_params = g_variant_builder_end(builder);
1431         if (ret_params) {
1432                 params_str = g_variant_print(ret_params, TRUE);
1433                 DBG("DN list [%s]", params_str);
1434                 g_free(params_str);
1435         }
1436
1437         battery_complete_get_battery_dn_list(object, context, ret_params);
1438         g_variant_builder_unref(builder);
1439         return TRUE;
1440 }
1441
1442 gboolean handle_get_battery_wifi_list(Battery *object,
1443         GDBusMethodInvocation *context)
1444 {
1445         GVariantBuilder *builder = NULL;
1446         GVariant *ret_params = NULL;
1447         gchar *params_str = NULL;
1448
1449         builder = g_variant_builder_new(G_VARIANT_TYPE("aa{sv}"));
1450
1451         netconfig_battery_get_wifi_list(builder);
1452
1453         ret_params = g_variant_builder_end(builder);
1454         if (ret_params) {
1455                 params_str = g_variant_print(ret_params, TRUE);
1456                 DBG("Wi-Fi list [%s]", params_str);
1457                 g_free(params_str);
1458         }
1459
1460         battery_complete_get_battery_wifi_list(object, context, ret_params);
1461         g_variant_builder_unref(builder);
1462         return TRUE;
1463 }
1464
1465 void state_object_create_and_init(void)
1466 {
1467         DBG("Creating network state object");
1468         GDBusInterfaceSkeleton *interface_network = NULL;
1469 #if defined TIZEN_DEBUG_ENABLE
1470         GDBusInterfaceSkeleton *interface_tcpdump = NULL;
1471 #endif
1472         GDBusInterfaceSkeleton *interface_battery = NULL;
1473         GDBusConnection *connection = NULL;
1474         GDBusObjectManagerServer *server = netdbus_get_state_manager();
1475         if (server == NULL)
1476                 return;
1477
1478         connection = netdbus_get_connection();
1479         g_dbus_object_manager_server_set_connection(server, connection);
1480
1481         /*Interface netconfig.network*/
1482         netconfigstate = network_skeleton_new();
1483
1484         interface_network = G_DBUS_INTERFACE_SKELETON(netconfigstate);
1485         g_signal_connect(netconfigstate, "handle-add-route",
1486                                 G_CALLBACK(handle_add_route), NULL);
1487         g_signal_connect(netconfigstate, "handle-check-get-privilege",
1488                                 G_CALLBACK(handle_check_get_privilege), NULL);
1489         g_signal_connect(netconfigstate, "handle-check-profile-privilege",
1490                                 G_CALLBACK(handle_check_profile_privilege), NULL);
1491         g_signal_connect(netconfigstate, "handle-check-internet-privilege",
1492                                 G_CALLBACK(handle_check_internet_privilege), NULL);
1493         g_signal_connect(netconfigstate, "handle-ethernet-cable-state",
1494                                 G_CALLBACK(handle_ethernet_cable_state), NULL);
1495         g_signal_connect(netconfigstate, "handle-preferred-ipv6-address",
1496                                 G_CALLBACK(handle_preferred_ipv6_address), NULL);
1497         g_signal_connect(netconfigstate, "handle-remove-route",
1498                                 G_CALLBACK(handle_remove_route), NULL);
1499         g_signal_connect(netconfigstate, "handle-device-policy-set-wifi",
1500                                 G_CALLBACK(handle_device_policy_set_wifi), NULL);
1501         g_signal_connect(netconfigstate, "handle-device-policy-get-wifi",
1502                                 G_CALLBACK(handle_device_policy_get_wifi), NULL);
1503         g_signal_connect(netconfigstate, "handle-device-policy-set-wifi-profile",
1504                                 G_CALLBACK(handle_device_policy_set_wifi_profile), NULL);
1505         g_signal_connect(netconfigstate, "handle-device-policy-get-wifi-profile",
1506                                 G_CALLBACK(handle_device_policy_get_wifi_profile), NULL);
1507         g_signal_connect(netconfigstate, "handle-get-metered-info",
1508                                 G_CALLBACK(handle_get_metered_info), NULL);
1509
1510         if (!g_dbus_interface_skeleton_export(interface_network, connection,
1511                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1512                 ERR("Export with path failed");
1513         }
1514
1515 #if defined TIZEN_DEBUG_ENABLE
1516         /*Interface netconfig.tcpdump*/
1517         tcpdump_object = tcpdump_skeleton_new();
1518
1519         interface_tcpdump = G_DBUS_INTERFACE_SKELETON(tcpdump_object);
1520         g_signal_connect(tcpdump_object, "handle-start-tcpdump",
1521                                 G_CALLBACK(handle_start_tcpdump), NULL);
1522         g_signal_connect(tcpdump_object, "handle-stop-tcpdump",
1523                                 G_CALLBACK(handle_stop_tcpdump), NULL);
1524         g_signal_connect(tcpdump_object, "handle-get-tcpdump-state",
1525                                 G_CALLBACK(handle_get_tcpdump_state), NULL);
1526
1527         if (!g_dbus_interface_skeleton_export(interface_tcpdump, connection,
1528                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1529                 ERR("Export with path failed");
1530         }
1531 #endif
1532
1533         battery_object = battery_skeleton_new();
1534
1535         interface_battery = G_DBUS_INTERFACE_SKELETON(battery_object);
1536         g_signal_connect(battery_object, "handle-get-battery-dn-list",
1537                                 G_CALLBACK(handle_get_battery_dn_list), NULL);
1538         g_signal_connect(battery_object, "handle-get-battery-wifi-list",
1539                                 G_CALLBACK(handle_get_battery_wifi_list), NULL);
1540
1541         if (!g_dbus_interface_skeleton_export(interface_battery, connection,
1542                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1543                 ERR("Export with path failed");
1544         }
1545 }
1546
1547 void state_object_deinit(void)
1548 {
1549         g_object_unref(netconfigstate);
1550 #if defined TIZEN_DEBUG_ENABLE
1551         g_object_unref(tcpdump_object);
1552 #endif
1553 }
1554
1555 static gboolean __netconfig_check_ipv6_address(const char *address)
1556 {
1557         unsigned char buf[sizeof(struct in6_addr)];
1558         int err;
1559
1560         if (!address)
1561                 return FALSE;
1562
1563         err = inet_pton(AF_INET6, address, buf);
1564         if (err > 0)
1565                 return TRUE;
1566
1567         return FALSE;
1568 }
1569
1570 char *netconfig_get_connected_cellular_internet_ipv6only_profile(struct clatd_ctrl_hint *hint)
1571 {
1572         GVariant *message = NULL;
1573         GVariantIter *iter = NULL;
1574         GVariantIter *next = NULL;
1575         gchar *cellular_internet_profile = NULL;
1576         gchar *object_path = NULL;
1577
1578         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
1579                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
1580                         "GetServices", NULL);
1581         if (message == NULL) {
1582                 ERR("Failed to get profiles");
1583                 return NULL;
1584         }
1585
1586         g_variant_get(message, "(a(oa{sv}))", &iter);
1587         while (g_variant_iter_loop(iter, "(oa{sv})", &object_path, &next)) {
1588                 if (object_path == NULL)
1589                         continue;
1590
1591                 if (netconfig_is_cellular_profile(object_path) == FALSE)
1592                         continue;
1593
1594                 if (netconfig_is_cellular_internet_profile(object_path) == FALSE)
1595                         continue;
1596
1597                 if (__netconfig_is_connected(next) == TRUE) {
1598                         DBG("found connected profiles");
1599                         gchar *key = NULL;
1600                         gboolean has_v4 = FALSE, has_v6 = FALSE;
1601
1602                         GVariant *variant = NULL;
1603                         while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
1604                                 if (g_strcmp0(key, "IPv4") == 0) {
1605                                         GVariantIter *ipv4_iter = NULL;
1606                                         GVariant *ipv4_variant = NULL;
1607                                         gchar *ipv4_key = NULL;
1608                                         const gchar *ipv4_value = NULL;
1609                                         g_variant_get(variant, "a{sv}", &ipv4_iter);
1610                                         while (g_variant_iter_loop(ipv4_iter, "{sv}",
1611                                                 &ipv4_key, &ipv4_variant)) {
1612                                                 if (g_strcmp0(ipv4_key, "Address") == 0) {
1613                                                         ipv4_value = g_variant_get_string(ipv4_variant, NULL);
1614                                                         DBG("ipv4: %s", ipv4_value);
1615                                                         has_v4 = TRUE;
1616                                                 }
1617                                         }
1618                                         g_variant_iter_free (ipv4_iter);
1619                                 } else if (g_strcmp0(key, "IPv6") == 0) {
1620                                         GVariantIter *ipv6_iter = NULL;
1621                                         GVariant *ipv6_variant = NULL;
1622                                         gchar *ipv6_key = NULL;
1623                                         const gchar *ipv6_value = NULL;
1624                                         g_variant_get(variant, "a{sv}", &ipv6_iter);
1625                                         while (g_variant_iter_loop(ipv6_iter, "{sv}",
1626                                                 &ipv6_key, &ipv6_variant)) {
1627                                                 if (g_strcmp0(ipv6_key, "Address") == 0) {
1628                                                         ipv6_value = g_variant_get_string(ipv6_variant, NULL);
1629                                                         DBG("ipv6: %s", ipv6_value);
1630                                                         has_v6 = TRUE;
1631                                                 }
1632                                         }
1633                                         g_variant_iter_free (ipv6_iter);
1634                                 } else if (hint && g_strcmp0(key, "Nameservers") == 0) {
1635                                         int idx = 0;
1636                                         GVariantIter *ns_iter = NULL;
1637                                         gchar *nameserver = NULL;
1638                                         g_variant_get(variant, "as", &ns_iter);
1639                                         while(g_variant_iter_loop(ns_iter, "s", &nameserver)) {
1640                                                 INFO("nameserver[%d]: %s", idx, nameserver);
1641                                                 if (idx >= MAX_DNS) {
1642                                                         INFO("index exceeded %d -- skip", idx);
1643                                                         continue;
1644                                                 }
1645                                                 if (__netconfig_check_ipv6_address(nameserver) == TRUE) {
1646                                                         hint->nameserver[idx] = g_strdup(nameserver);
1647                                                         idx++;
1648                                                 } else {
1649                                                         INFO("malformed address %s -- skip", nameserver);
1650                                                 }
1651                                         }
1652                                 }
1653                         }
1654
1655                         if (!has_v4 && has_v6) {
1656                                 DBG("found 'ipv6-only/connected/internet cellular profile'");
1657                                 cellular_internet_profile = g_strdup(object_path);
1658                                 g_free(object_path);
1659                                 g_variant_iter_free(next);
1660                                 break;
1661                         }
1662                 }
1663         }
1664         g_variant_iter_free(iter);
1665         g_variant_unref(message);
1666
1667         return cellular_internet_profile;
1668 }