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 #include <ITapiSim.h>
  30 #include <TapiUtility.h>
  31 #include <bundle.h>
  32 #include <bundle_internal.h>
  33 #include <eventsystem.h>
  34
  35 #include "log.h"
  36 #include "util.h"
  37 #include "netdbus.h"
  38 #include "neterror.h"
  39 #include "emulator.h"
  40 #include "wifi-state.h"
  41 #include "wifi-power.h"
  42 #include "network-state.h"
  43 #include "network-monitor.h"
  44 #include "netsupplicant.h"
  45 #include "wifi-tel-intf.h"
  46 #include "clatd-handler.h"
  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_CORE_RMEM_MAX          "/proc/sys/net/core/rmem_max"
  81 #define NET_PROC_SYS_NET_CORE_WMEM_MAX          "/proc/sys/net/core/wmem_max"
  82
  83 #define ROUTE_EXEC_PATH                                         "/sbin/route"
  84
  85 static Network *netconfigstate = NULL;
  86
  87 struct netconfig_default_connection {
  88         char *profile;
  89         char *ifname;
  90         char *ipaddress;
  91         char *ipaddress6;
  92         char *proxy;
  93         char *essid;
  94         unsigned int freq;
  95 };
  96
  97 static struct netconfig_default_connection
  98                                 netconfig_default_connection_info = { NULL, };
  99
 100 gboolean netconfig_iface_network_state_ethernet_cable_state(gint32 *state);
 101
 102 static gboolean __netconfig_is_connected(GVariantIter *array)
 103 {
 104         gboolean is_connected = FALSE;
 105         GVariant *variant = NULL;
 106         gchar *key = NULL;
 107         const gchar *value = NULL;
 108
 109         while (g_variant_iter_loop(array, "{sv}", &key, &variant)) {
 110                 if (g_strcmp0(key, "State") != 0) {
 111                         continue;
 112                 }
 113
 114                 if (g_variant_is_of_type(variant, G_VARIANT_TYPE_STRING)) {
 115                         value = g_variant_get_string(variant, NULL);
 116                         if (g_strcmp0(value, "ready") == 0 || g_strcmp0(value, "online") == 0)
 117                                 is_connected = TRUE;
 118                 }
 119
 120                 g_free(key);
 121                 g_variant_unref(variant);
 122                 break;
 123         }
 124
 125         return is_connected;
 126 }
 127
 128 static char *__netconfig_get_default_profile(void)
 129 {
 130         GVariant *message = NULL;
 131         GVariantIter *iter;
 132         GVariantIter *next;
 133         gchar *default_profile = NULL;
 134         gchar *object_path;
 135
 136         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 137                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 138                         "GetServices", NULL);
 139         if (message == NULL) {
 140                 ERR("Failed to get profiles");
 141                 return NULL;
 142         }
 143
 144         g_variant_get(message, "(a(oa{sv}))", &iter);
 145         while (g_variant_iter_loop(iter, "(oa{sv})", &object_path, &next)) {
 146                 if (object_path == NULL) {
 147                         continue;
 148                 }
 149
 150                 if(netconfig_is_cellular_profile(object_path) && !netconfig_is_cellular_internet_profile(object_path)){
 151                         continue;
 152                 }
 153
 154                 if (__netconfig_is_connected(next) == TRUE) {
 155                         default_profile = g_strdup(object_path);
 156                         g_free(object_path);
 157                         g_variant_iter_free(next);
 158                         break;
 159                 }
 160         }
 161         g_variant_iter_free(iter);
 162         g_variant_unref(message);
 163
 164         return default_profile;
 165 }
 166
 167 static void __netconfig_get_default_connection_info(const char *profile)
 168 {
 169         GVariant *message = NULL, *variant = NULL, *variant2 = NULL;
 170         GVariantIter *iter = NULL, *iter1 = NULL;
 171         GVariant *next = NULL;
 172         gchar *key = NULL;
 173         gchar *key1 = NULL;
 174         gchar *key2 = NULL;
 175
 176         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE, profile,
 177                         CONNMAN_SERVICE_INTERFACE, "GetProperties", NULL);
 178         if (message == NULL) {
 179                 ERR("Failed to get service properties");
 180                 goto done;
 181         }
 182
 183         g_variant_get(message, "(a{sv})", &iter);
 184         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 185                 const gchar *value = NULL;
 186                 guint16 freq = 0;
 187                 if (g_strcmp0(key, "Name") == 0 &&
 188                                 netconfig_is_wifi_profile(profile) == TRUE) {
 189                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_STRING)) {
 190                                 value = g_variant_get_string(next, NULL);
 191
 192                                 netconfig_default_connection_info.essid = g_strdup(value);
 193                         }
 194                 } else if (g_strcmp0(key, "Ethernet") == 0) {
 195                         g_variant_get(next, "a{sv}", &iter1);
 196                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 197                                 if (g_strcmp0(key1, "Interface") == 0) {
 198                                         value = g_variant_get_string(variant, NULL);
 199                                         netconfig_default_connection_info.ifname = g_strdup(value);
 200                                 }
 201                         }
 202                 } else if (g_strcmp0(key, "IPv4") == 0) {
 203                         g_variant_get(next, "a{sv}", &iter1);
 204                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 205                                 if (g_strcmp0(key1, "Address") == 0) {
 206                                         value = g_variant_get_string(variant, NULL);
 207                                         netconfig_default_connection_info.ipaddress = g_strdup(value);
 208                                 }
 209                         }
 210                 } else if (g_strcmp0(key, "IPv6") == 0) {
 211                         g_variant_get(next, "a{sv}", &iter1);
 212                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 213                                 if (g_strcmp0(key1, "Address") == 0) {
 214                                         value = g_variant_get_string(variant, NULL);
 215                                         netconfig_default_connection_info.ipaddress6 = g_strdup(value);
 216                                 }
 217                         }
 218                 } else if (g_strcmp0(key, "Proxy") == 0) {
 219                         g_variant_get(next, "a{sv}", &iter1);
 220                         while (g_variant_iter_loop(iter1, "{sv}", &key2, &variant2)) {
 221                                 GVariantIter *iter_sub = NULL;
 222
 223                                 if (g_strcmp0(key2, "Servers") == 0) {
 224                                         if (!g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING_ARRAY)) {
 225                                                 g_free(key2);
 226                                                 g_variant_unref(variant2);
 227                                                 break;
 228                                         }
 229
 230                                         g_variant_get(variant2, "as", &iter_sub);
 231                                         g_variant_iter_loop(iter_sub, "s", &value);
 232                                         g_variant_iter_free(iter_sub);
 233                                         if (value != NULL && (strlen(value) > 0))
 234                                                 netconfig_default_connection_info.proxy = g_strdup(value);
 235                                 } else if (g_strcmp0(key2, "Method") == 0) {
 236                                         if (g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING)) {
 237                                                 g_free(key2);
 238                                                 g_variant_unref(variant2);
 239                                                 break;
 240                                         }
 241
 242                                         value = g_variant_get_string(variant2, NULL);
 243                                         if (g_strcmp0(value, "direct") == 0) {
 244                                                 g_free(netconfig_default_connection_info.proxy);
 245                                                 netconfig_default_connection_info.proxy = NULL;
 246
 247                                                 g_free(key2);
 248                                                 g_variant_unref(variant2);
 249                                                 break;
 250                                         }
 251                                 }
 252                         }
 253                 } else if (g_strcmp0(key, "Frequency") == 0) {
 254                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_UINT16)) {
 255                                 freq = g_variant_get_uint16(next);
 256                                 netconfig_default_connection_info.freq = freq;
 257                         }
 258                 }
 259         }
 260
 261 done:
 262         if (message)
 263                 g_variant_unref(message);
 264
 265         if (iter)
 266                 g_variant_iter_free (iter);
 267
 268         if (iter1)
 269                 g_variant_iter_free (iter1);
 270
 271         return;
 272 }
 273
 274 static void __netconfig_adjust_tcp_buffer_size(void)
 275 {
 276         int fdr = 0, fdw = 0;
 277         int fdrmax = 0, fdwmax = 0;
 278         const char *rbuf_size = NULL;
 279         const char *wbuf_size = NULL;
 280         const char *rmax_size = NULL;
 281         const char *wmax_size = NULL;
 282         const char *profile = netconfig_get_default_profile();
 283
 284         if (profile == NULL) {
 285                 DBG("There is no default connection");
 286
 287                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 288                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 289         } else if (netconfig_is_wifi_profile(profile) == TRUE) {
 290                 DBG("Default connection: Wi-Fi");
 291
 292                 rbuf_size = NET_TCP_BUFFERSIZE_WIFI_READ;
 293                 wbuf_size = NET_TCP_BUFFERSIZE_WIFI_WRITE;
 294                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 295                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 296         } else if (netconfig_is_cellular_profile(profile) == TRUE) {
 297                 TapiHandle *tapi_handle = NULL;
 298                 int telephony_svctype = 0, telephony_pstype = 0;
 299
 300                 tapi_handle = (TapiHandle *)netconfig_tel_init();
 301                 if (NULL != tapi_handle) {
 302                         tel_get_property_int(tapi_handle,
 303                                         TAPI_PROP_NETWORK_SERVICE_TYPE,
 304                                         &telephony_svctype);
 305                         tel_get_property_int(tapi_handle, TAPI_PROP_NETWORK_PS_TYPE,
 306                                         &telephony_pstype);
 307                         netconfig_tel_deinit();
 308                 }
 309
 310                 DBG("Default cellular %d, %d", telephony_svctype, telephony_pstype);
 311
 312                 switch (telephony_pstype) {
 313                 case VCONFKEY_TELEPHONY_PSTYPE_HSPA:
 314                         rbuf_size = NET_TCP_BUFFERSIZE_HSPA_READ;
 315                         wbuf_size = NET_TCP_BUFFERSIZE_HSPA_WRITE;
 316                         break;
 317                 case VCONFKEY_TELEPHONY_PSTYPE_HSUPA:
 318                         rbuf_size = NET_TCP_BUFFERSIZE_HSUPA_READ;
 319                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 320                         break;
 321                 case VCONFKEY_TELEPHONY_PSTYPE_HSDPA:
 322                         rbuf_size = NET_TCP_BUFFERSIZE_HSDPA_READ;
 323                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 324                         break;
 325 #if !defined TIZEN_WEARABLE
 326                 case VCONFKEY_TELEPHONY_PSTYPE_HSPAP:
 327                         rbuf_size = NET_TCP_BUFFERSIZE_HSPAP_READ;
 328                         wbuf_size = NET_TCP_BUFFERSIZE_HSPAP_WRITE;
 329                         break;
 330 #endif
 331                 default:
 332                         switch (telephony_svctype) {
 333                         case VCONFKEY_TELEPHONY_SVCTYPE_LTE:
 334                                 rbuf_size = NET_TCP_BUFFERSIZE_LTE_READ;
 335                                 wbuf_size = NET_TCP_BUFFERSIZE_LTE_WRITE;
 336                                 rmax_size = NET_TCP_BUFFERSIZE_LTE_RMEM_MAX;
 337                                 break;
 338                         case VCONFKEY_TELEPHONY_SVCTYPE_3G:
 339                                 rbuf_size = NET_TCP_BUFFERSIZE_UMTS_READ;
 340                                 wbuf_size = NET_TCP_BUFFERSIZE_UMTS_WRITE;
 341                                 break;
 342                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G_EDGE:
 343                                 rbuf_size = NET_TCP_BUFFERSIZE_EDGE_READ;
 344                                 wbuf_size = NET_TCP_BUFFERSIZE_EDGE_WRITE;
 345                                 break;
 346                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G:
 347                                 rbuf_size = NET_TCP_BUFFERSIZE_GPRS_READ;
 348                                 wbuf_size = NET_TCP_BUFFERSIZE_GPRS_WRITE;
 349                                 break;
 350                         default:
 351                                 /* TODO: Check LTE support */
 352                                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 353                                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 354                                 break;
 355                         }
 356                         break;
 357                 }
 358         } else {
 359                 DBG("Default TCP buffer configured");
 360
 361                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 362                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 363         }
 364
 365         if (rbuf_size != NULL) {
 366                 fdr = open(NET_PROC_SYS_NET_IPV4_TCP_RMEM, O_RDWR | O_CLOEXEC);
 367
 368                 if (fdr < 0 || write(fdr, rbuf_size, strlen(rbuf_size)) < 0)
 369                         ERR("Failed to set TCP read buffer size");
 370
 371                 if (fdr >= 0)
 372                         close(fdr);
 373         }
 374
 375         if (wbuf_size != NULL) {
 376                 fdw = open(NET_PROC_SYS_NET_IPv4_TCP_WMEM, O_RDWR | O_CLOEXEC);
 377
 378                 if (fdw < 0 || write(fdw, wbuf_size, strlen(wbuf_size)) < 0)
 379                         ERR("Failed to set TCP write buffer size");
 380
 381                 if (fdw >= 0)
 382                         close(fdw);
 383         }
 384
 385         /* As default */
 386         if (rmax_size == NULL)
 387                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 388         if (wmax_size == NULL)
 389                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 390
 391         if (rmax_size != NULL) {
 392                 fdrmax = open(NET_PROC_SYS_NET_CORE_RMEM_MAX, O_RDWR | O_CLOEXEC);
 393
 394                 if (fdrmax < 0 || write(fdrmax, rmax_size, strlen(rmax_size)) < 0)
 395                         ERR("Failed to set TCP rmem_max size");
 396
 397                 if (fdrmax >= 0)
 398                         close(fdrmax);
 399         }
 400
 401         if (wmax_size != NULL) {
 402                 fdwmax = open(NET_PROC_SYS_NET_CORE_WMEM_MAX, O_RDWR | O_CLOEXEC);
 403
 404                 if (fdwmax < 0 || write(fdwmax, wmax_size, strlen(wmax_size)) < 0)
 405                         ERR("Failed to set TCP wmem_max size");
 406
 407                 if (fdwmax >= 0)
 408                         close(fdwmax);
 409         }
 410 }
 411
 412 static void __netconfig_update_default_connection_info(void)
 413 {
 414         int old_network_status = 0;
 415         const char *profile = netconfig_get_default_profile();
 416         const char *ip_addr = netconfig_get_default_ipaddress();
 417         const char *ip_addr6 = netconfig_get_default_ipaddress6();
 418         const char *proxy_addr = netconfig_get_default_proxy();
 419         unsigned int freq = netconfig_get_default_frequency();
 420
 421         if (emulator_is_emulated() == TRUE)
 422                 return;
 423
 424         if (profile == NULL)
 425                 DBG("Reset network state configuration");
 426         else
 427                 DBG("%s: ip(%s) proxy(%s)", profile, ip_addr, proxy_addr);
 428
 429         vconf_get_int(VCONFKEY_NETWORK_STATUS, &old_network_status);
 430
 431         if (profile == NULL && old_network_status != VCONFKEY_NETWORK_OFF) {
 432                 netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 433
 434                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 435                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 436
 437                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 0);
 438                 netconfig_set_vconf_int("memory/private/wifi/frequency", 0);
 439
 440                 DBG("Successfully clear IP and PROXY up");
 441
 442                 /* Disable clatd if it is in running state */
 443                 netconfig_clatd_disable();
 444         }
 445         else if (profile != NULL) {
 446                 char *old_ip = vconf_get_str(VCONFKEY_NETWORK_IP);
 447                 char *old_proxy = vconf_get_str(VCONFKEY_NETWORK_PROXY);
 448
 449                 if (netconfig_is_wifi_profile(profile) == TRUE) {
 450                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_WIFI);
 451                         netconfig_set_vconf_int("memory/private/wifi/frequency", freq);
 452
 453                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 454                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_WIFI);
 455                 }
 456                 else if (netconfig_is_cellular_profile(profile) ){
 457
 458                         if( !netconfig_is_cellular_internet_profile(profile)){
 459                                 DBG("connection is not a internet profile - stop to update the cellular state");
 460                                 return;
 461                         }
 462
 463                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_CELLULAR);
 464
 465                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 466                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_CELLULAR);
 467
 468                         /* Enable clatd if IPv6 is set and no IPv4 address */
 469                         if (!ip_addr && ip_addr6 )
 470                                 netconfig_clatd_enable();
 471                 }
 472                 else if (netconfig_is_ethernet_profile(profile) == TRUE){
 473                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_ETHERNET);
 474                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 475                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_ETHERNET);
 476                 }
 477                 else if (netconfig_is_bluetooth_profile(profile) == TRUE){
 478                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_BLUETOOTH);
 479                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 480                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_BT);
 481                 }
 482                 else{
 483                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 484                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 485                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_DISCONNECTED);
 486                 }
 487
 488                 if (g_strcmp0(old_ip, ip_addr) != 0 || old_ip == NULL) {
 489                         if (ip_addr != NULL)
 490                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr);
 491                         else if (ip_addr6 != NULL)
 492                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr6);
 493                         else
 494                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 495                 }
 496                 g_free(old_ip);
 497
 498                 if (g_strcmp0(old_proxy, proxy_addr) != 0) {
 499                         if (proxy_addr == NULL)
 500                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 501                         else
 502                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, proxy_addr);
 503                 }
 504                 g_free(old_proxy);
 505
 506                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 1);
 507
 508                 DBG("Successfully update default network configuration");
 509
 510                 /* Disable clatd if it is in running state */
 511                 if (netconfig_is_cellular_profile(profile) != TRUE)
 512                         netconfig_clatd_disable();
 513         }
 514
 515         __netconfig_adjust_tcp_buffer_size();
 516 }
 517
 518 static gboolean __netconfig_is_tech_state_connected(void)
 519 {
 520         gboolean ret = FALSE;
 521         GVariant *message = NULL, *variant;
 522         GVariantIter *iter, *next;
 523         gchar *path;
 524         gchar *key;
 525
 526         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 527                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 528                         "GetTechnologies", NULL);
 529
 530         if (message == NULL) {
 531                 DBG("Fail to get technology state");
 532                 return FALSE;
 533         }
 534
 535         g_variant_get(message, "(a(oa{sv}))", &iter);
 536         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 537                 if (path == NULL) {
 538                         continue;
 539                 }
 540
 541                 while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
 542                         gboolean data;
 543                         if (g_strcmp0(key, "Connected") == 0) {
 544                                 data = g_variant_get_boolean(variant);
 545                                 DBG("%s [%s: %s]", path, key, data ? "True" : "False");
 546                                 if (TRUE == data) {
 547                                         ret = TRUE;
 548                                         g_free(path);
 549                                         g_free(key);
 550                                         g_variant_unref(variant);
 551                                         g_variant_iter_free(next);
 552                                         goto done;
 553                                 }
 554                         }
 555                 }
 556         }
 557
 558 done:
 559         g_variant_iter_free(iter);
 560         g_variant_unref(message);
 561
 562         return ret;
 563 }
 564
 565 static void __netconfig_update_if_service_connected(void)
 566 {
 567         GVariant *message = NULL, *var;
 568         GVariantIter *iter, *next;
 569         gchar *path;
 570         gchar *key;
 571
 572         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 573                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 574                         "GetServices", NULL);
 575
 576         if (message == NULL) {
 577                 ERR("Failed to get services");
 578                 return;
 579         }
 580
 581         g_variant_get(message, "(a(oa{sv}))", &iter);
 582         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 583                 if (path == NULL) {
 584                         continue;
 585                 }
 586
 587                 if (g_str_has_prefix(path,
 588                                                 CONNMAN_WIFI_SERVICE_PROFILE_PREFIX) == TRUE) {
 589                         if (g_strrstr(path + strlen(CONNMAN_WIFI_SERVICE_PROFILE_PREFIX),
 590                                                         "hidden") != NULL) {
 591                                 /* skip hidden profiles */
 592                                 continue;
 593                         }
 594                         /* Process this */
 595                 } else if (g_str_has_prefix(path,
 596                                                 CONNMAN_CELLULAR_SERVICE_PROFILE_PREFIX) == TRUE) {
 597                         /* Process this */
 598                 } else {
 599                         continue;
 600                 }
 601
 602                 while (g_variant_iter_loop(next, "{sv}", &key, &var)) {
 603                         if (g_strcmp0(key, "State") == 0) {
 604                                 const gchar *sdata = NULL;
 605                                 sdata = g_variant_get_string(var, NULL);
 606                                 DBG("%s [%s: %s]", path, key, sdata);
 607
 608                                 if (g_strcmp0(sdata, "online") == 0 || g_strcmp0(sdata, "ready") == 0) {
 609
 610                                         /* Found a connected WiFi / 3G service.
 611                                          * Lets update the default profile info.
 612                                          */
 613                                         netconfig_update_default_profile((const gchar*)path);
 614                                         g_free(key);
 615                                         g_free(path);
 616                                         g_variant_unref(var);
 617                                         g_variant_iter_free(next);
 618                                         goto done;
 619                                 }
 620                         }
 621                 }
 622         }
 623 done:
 624         g_variant_iter_free(iter);
 625         g_variant_unref(message);
 626
 627         return;
 628 }
 629
 630 static void __netconfig_network_notify_result(const char *sig_name, const char *key)
 631 {
 632         gboolean reply;
 633         GVariant *params;
 634         GVariantBuilder *builder = NULL;
 635         GDBusConnection *connection = NULL;
 636         GError *error = NULL;
 637         const char *prop_key = "key";
 638
 639         INFO("[Signal] %s %s", sig_name, key);
 640
 641         connection = netdbus_get_connection();
 642         if (connection == NULL) {
 643                 ERR("Failed to get GDBus Connection");
 644                 return;
 645         }
 646
 647         builder = g_variant_builder_new(G_VARIANT_TYPE ("a{sv}"));
 648         g_variant_builder_add(builder, "{sv}", prop_key, g_variant_new_string(key));
 649         params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 650
 651         g_variant_builder_unref(builder);
 652
 653         reply = g_dbus_connection_emit_signal(connection,
 654                         NULL,
 655                         NETCONFIG_NETWORK_PATH,
 656                         NETCONFIG_NETWORK_INTERFACE,
 657                         sig_name,
 658                         params,
 659                         &error);
 660
 661         if (reply != TRUE) {
 662                 if (error != NULL) {
 663                         ERR("Failed to send signal [%s]", error->message);
 664                         g_error_free(error);
 665                 }
 666                 return;
 667         }
 668
 669         INFO("Sent signal (%s), key (%s)", sig_name, key);
 670         return;
 671 }
 672
 673 const char *netconfig_get_default_profile(void)
 674 {
 675         return netconfig_default_connection_info.profile;
 676 }
 677
 678 const char *netconfig_get_default_ifname(void)
 679 {
 680         return netconfig_default_connection_info.ifname;
 681 }
 682
 683 const char *netconfig_get_default_ipaddress(void)
 684 {
 685         return netconfig_default_connection_info.ipaddress;
 686 }
 687
 688 const char *netconfig_get_default_ipaddress6(void)
 689 {
 690         return netconfig_default_connection_info.ipaddress6;
 691 }
 692
 693 const char *netconfig_get_default_proxy(void)
 694 {
 695         return netconfig_default_connection_info.proxy;
 696 }
 697
 698 unsigned int netconfig_get_default_frequency(void)
 699 {
 700         return netconfig_default_connection_info.freq;
 701 }
 702
 703 const char *netconfig_wifi_get_connected_essid(const char *default_profile)
 704 {
 705         if (default_profile == NULL)
 706                 return NULL;
 707
 708         if (netconfig_is_wifi_profile(default_profile) != TRUE)
 709                 return NULL;
 710
 711         if (g_strcmp0(default_profile, netconfig_default_connection_info.profile) != 0)
 712                 return NULL;
 713
 714         return netconfig_default_connection_info.essid;
 715 }
 716
 717 static int __netconfig_reset_ipv4_socket(void)
 718 {
 719         int ret;
 720         int fd;
 721         struct ifreq ifr;
 722         struct sockaddr_in sai;
 723         const char *ipaddr = netconfig_get_default_ipaddress();
 724         DBG("ipaddr-[%s]", ipaddr);
 725
 726         if (!ipaddr)
 727                 return -1;
 728
 729         fd = socket(AF_INET, SOCK_DGRAM, 0);
 730         if (fd < 0)
 731                 return -1;
 732
 733         memset(&sai, 0, sizeof(struct sockaddr_in));
 734         sai.sin_family = AF_INET;
 735         sai.sin_port = 0;
 736         if (!inet_aton(ipaddr, &sai.sin_addr)) {
 737                 DBG("fail to inet_aton()");
 738                 close(fd);
 739                 return -1;
 740         }
 741
 742         memset(&ifr, 0, sizeof(struct ifreq));
 743         memcpy(&ifr.ifr_addr, &sai, sizeof(sai));
 744         g_strlcpy((char *)ifr.ifr_name, WIFI_IFNAME, IFNAMSIZ);
 745
 746 #ifndef SIOCKILLADDR
 747 #define SIOCKILLADDR    0x8939
 748 #endif
 749
 750         ret = ioctl(fd, SIOCKILLADDR, &ifr);
 751         if (ret < 0) {
 752                 DBG("fail to ioctl[SIOCKILLADDR]");
 753                 close(fd);
 754                 return -1;
 755         }
 756
 757         close(fd);
 758         return 0;
 759 }
 760
 761 void netconfig_update_default_profile(const char *profile)
 762 {
 763         static char *old_profile = NULL;
 764
 765         /* It's automatically updated by signal-handler
 766          * DO NOT update manually
 767          *
 768          * It is going to update default connection information
 769          */
 770
 771         if (netconfig_default_connection_info.profile != NULL) {
 772
 773                 if (netconfig_is_wifi_profile(netconfig_default_connection_info.profile))
 774                         __netconfig_reset_ipv4_socket();
 775
 776                 g_free(old_profile);
 777                 old_profile = strdup(netconfig_default_connection_info.profile);
 778
 779                 g_free(netconfig_default_connection_info.profile);
 780                 netconfig_default_connection_info.profile = NULL;
 781
 782                 g_free(netconfig_default_connection_info.ifname);
 783                 netconfig_default_connection_info.ifname = NULL;
 784
 785                 g_free(netconfig_default_connection_info.ipaddress);
 786                 netconfig_default_connection_info.ipaddress = NULL;
 787
 788                 g_free(netconfig_default_connection_info.ipaddress6);
 789                 netconfig_default_connection_info.ipaddress6 = NULL;
 790
 791                 g_free(netconfig_default_connection_info.proxy);
 792                 netconfig_default_connection_info.proxy = NULL;
 793
 794                 netconfig_default_connection_info.freq = 0;
 795
 796                 if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED) {
 797                         g_free(netconfig_default_connection_info.essid);
 798                         netconfig_default_connection_info.essid = NULL;
 799                 }
 800         }
 801
 802         //default profile is NULL and new connected profile is NULL
 803         if( !profile ){
 804                 profile = __netconfig_get_default_profile();
 805
 806                 if (profile && netconfig_is_cellular_profile(profile) &&
 807                         !netconfig_is_cellular_internet_profile(profile)){
 808                         DBG("not a default cellular profile");
 809                         profile = NULL;
 810                 }
 811
 812                 if(!profile){
 813                         __netconfig_update_default_connection_info();
 814                         return;
 815                 }
 816         }
 817
 818         netconfig_default_connection_info.profile = g_strdup(profile);
 819         __netconfig_get_default_connection_info(profile);
 820         __netconfig_update_default_connection_info();
 821
 822 }
 823
 824 void netconfig_update_default(void)
 825 {
 826         if (__netconfig_is_tech_state_connected() == TRUE)
 827                 __netconfig_update_if_service_connected();
 828         else
 829                 __netconfig_adjust_tcp_buffer_size();
 830 }
 831
 832 char *netconfig_get_ifname(const char *profile)
 833 {
 834         GVariant *message = NULL, *variant;
 835         GVariantIter *iter, *next;
 836         gchar *key;
 837         gchar *key1;
 838         const gchar *value = NULL;
 839         gchar *ifname = NULL;
 840
 841         if (profile == NULL)
 842                 return NULL;
 843
 844         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE, profile,
 845                         CONNMAN_SERVICE_INTERFACE, "GetProperties", NULL);
 846         if (message == NULL) {
 847                 ERR("Failed to get service properties");
 848                 return NULL;
 849         }
 850
 851         g_variant_get(message, "(a{sv})", &iter);
 852         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 853                 if (g_strcmp0(key, "Ethernet") == 0) {
 854                         while (g_variant_iter_loop(next, "{sv}", &key1, &variant)) {
 855                                 if (g_strcmp0(key1, "Interface") == 0) {
 856                                         value = g_variant_get_string(variant, NULL);
 857                                         ifname = g_strdup(value);
 858                                 }
 859                         }
 860                 }
 861         }
 862
 863         g_variant_unref(message);
 864
 865         g_variant_iter_free(iter);
 866
 867         return ifname;
 868 }
 869
 870 /* Check Ethernet Cable Plug-in /Plug-out Status */
 871 void netconfig_network_notify_ethernet_cable_state(const char *key)
 872 {
 873        __netconfig_network_notify_result("EthernetCableState", key);
 874 }
 875
 876 static gboolean handle_add_route(
 877                 Network *object,
 878                 GDBusMethodInvocation *context,
 879                 gchar *ip_addr,
 880                 gchar *netmask,
 881                 gchar *interface,  gchar *gateway, gint address_family)
 882 {
 883         const gchar *path = ROUTE_EXEC_PATH;
 884         gchar *const args[] = { "/sbin/route", "add", "-net", ip_addr,
 885                 "netmask", netmask, "dev", interface, NULL };
 886         gchar *const envs[] = { NULL };
 887         const gchar* buf = NULL;
 888         gchar* ch = NULL;
 889         int prefix_len = 0;
 890         int pos = 0;
 891
 892         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 893
 894         switch(address_family) {
 895                 case AF_INET:
 896                         if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 897                                 ERR("Invalid parameter");
 898                                 netconfig_error_invalid_parameter(context);
 899                                 return FALSE;
 900                         }
 901
 902                         if (netconfig_execute_file(path, args, envs) < 0) {
 903                                 DBG("Failed to add a new route");
 904                                 netconfig_error_permission_denied(context);
 905                                 return FALSE;
 906                         }
 907
 908                         break;
 909                 case AF_INET6:
 910                         if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 911                                 ERR("Invalid parameter");
 912                                 netconfig_error_invalid_parameter(context);
 913                                 return FALSE;
 914                         }
 915
 916                         buf = ip_addr;
 917                         ch = strchr(buf, '/');
 918                         pos = ch - buf + 1;
 919                         if (ch) {
 920                                 prefix_len = atoi(ch + 1);
 921                                 ip_addr[pos-1] = '\0';
 922                         } else {
 923                                 prefix_len = 128;
 924                         }
 925
 926                         if (netconfig_add_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
 927                                 DBG("Failed to add a new route");
 928                                 netconfig_error_permission_denied(context);
 929                                 return FALSE;
 930                         }
 931                         break;
 932                 default:
 933                         DBG("Unknown Address Family");
 934                         netconfig_error_invalid_parameter(context);
 935                         return FALSE;
 936         }
 937
 938         DBG("Successfully added a new route");
 939         network_complete_add_route(object, context, TRUE);
 940         return TRUE;
 941 }
 942
 943 static gboolean handle_remove_route(
 944                 Network *object,
 945                 GDBusMethodInvocation *context,
 946                 gchar *ip_addr,
 947                 gchar *netmask,
 948                 gchar *interface, gchar *gateway, gint address_family)
 949 {
 950         const char *path = ROUTE_EXEC_PATH;
 951         gchar *const args[] = { "/sbin/route", "del", "-net", ip_addr,
 952                 "netmask", netmask, "dev", interface, NULL };
 953         char *const envs[] = { NULL };
 954         const char* buf = NULL;
 955         char* ch = NULL;
 956         int prefix_len = 0;
 957         int pos = 0;
 958
 959         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 960
 961         switch(address_family) {
 962                 case AF_INET:
 963                         if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 964                                 DBG("Invalid parameter!");
 965                                 netconfig_error_invalid_parameter(context);
 966                                 return FALSE;
 967                         }
 968                         if (netconfig_execute_file(path, args, envs) < 0) {
 969                                 DBG("Failed to remove the route");
 970                                 netconfig_error_permission_denied(context);
 971                                 return FALSE;
 972                         }
 973                         break;
 974                 case AF_INET6:
 975                         if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 976                                 DBG("Invalid parameter!");
 977                                 netconfig_error_invalid_parameter(context);
 978                                 return FALSE;
 979                         }
 980
 981                         buf = ip_addr;
 982                         ch = strchr(buf, '/');
 983                         pos = ch - buf + 1;
 984                         if (ch) {
 985                                 prefix_len = atoi(ch + 1);
 986                                 ip_addr[pos-1] = '\0';
 987                         } else {
 988                                 prefix_len = 128;
 989                         }
 990
 991                         if (netconfig_del_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
 992                                 DBG("Failed to remove the route");
 993                                 netconfig_error_permission_denied(context);
 994                                 return FALSE;
 995                         }
 996                         break;
 997                 default:
 998                         DBG("Unknown Address Family");
 999                         netconfig_error_invalid_parameter(context);
1000                         return FALSE;
1001         }
1002
1003         DBG("Successfully removed the route");
1004         network_complete_remove_route(object, context, TRUE);
1005         return TRUE;
1006 }
1007
1008 static gboolean handle_check_get_privilege(Network *object,
1009                 GDBusMethodInvocation *context)
1010 {
1011         network_complete_check_get_privilege(object, context);
1012         return TRUE;
1013 }
1014
1015
1016 static gboolean handle_check_profile_privilege(Network *object,
1017                 GDBusMethodInvocation *context)
1018 {
1019         network_complete_check_profile_privilege(object, context);
1020         return TRUE;
1021 }
1022
1023 gboolean handle_ethernet_cable_state(Network *object,
1024         GDBusMethodInvocation *context)
1025 {
1026         int ret = 0;
1027         int state = 0;
1028
1029         ret = netconfig_get_ethernet_cable_state(&state);
1030         if(ret != 0) {
1031                 DBG("Failed to get ethernet cable state");
1032                 netconfig_error_fail_ethernet_cable_state(context);
1033                 return FALSE;
1034         }
1035
1036         DBG("Successfully get ethernet cable state[%d]", state);
1037         network_complete_ethernet_cable_state(object, context, state);
1038         return TRUE;
1039 }
1040
1041 void state_object_create_and_init(void)
1042 {
1043         DBG("Creating network state object");
1044         GDBusInterfaceSkeleton *interface_network = NULL;
1045         GDBusConnection *connection = NULL;
1046         GDBusObjectManagerServer *server = netdbus_get_state_manager();
1047         if (server == NULL)
1048                 return;
1049
1050         connection = netdbus_get_connection();
1051         g_dbus_object_manager_server_set_connection(server, connection);
1052
1053         /*Interface netconfig.network*/
1054         netconfigstate = network_skeleton_new();
1055
1056         interface_network = G_DBUS_INTERFACE_SKELETON(netconfigstate);
1057         g_signal_connect(netconfigstate, "handle-add-route",
1058                                 G_CALLBACK(handle_add_route), NULL);
1059         g_signal_connect(netconfigstate, "handle-check-get-privilege",
1060                                 G_CALLBACK(handle_check_get_privilege), NULL);
1061         g_signal_connect(netconfigstate, "handle-check-profile-privilege",
1062                                 G_CALLBACK(handle_check_profile_privilege), NULL);
1063         g_signal_connect(netconfigstate, "handle-ethernet-cable-state",
1064                                 G_CALLBACK(handle_ethernet_cable_state), NULL);
1065         g_signal_connect(netconfigstate, "handle-remove-route",
1066                                 G_CALLBACK(handle_remove_route), NULL);
1067
1068         if (!g_dbus_interface_skeleton_export(interface_network, connection,
1069                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1070                 ERR("Export with path failed");
1071         }
1072 }
1073
1074 void state_object_deinit(void)
1075 {
1076         g_object_unref(netconfigstate);
1077 }