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
  32 #include "log.h"
  33 #include "util.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 "wifi-tel-intf.h"
  44
  45 #include "generated-code.h"
  46 /* Define TCP buffer sizes for various networks */
  47 /* ReadMin, ReadInitial, ReadMax */ /* WriteMin, WriteInitial, WriteMax */
  48 #define NET_TCP_BUFFERSIZE_DEFAULT_READ         "4096 87380 704512"
  49 #define NET_TCP_BUFFERSIZE_DEFAULT_WRITE        "4096 16384 110208"
  50 #define NET_TCP_BUFFERSIZE_WIFI_READ            "524288 1048576 2560000"
  51 #define NET_TCP_BUFFERSIZE_WIFI_WRITE           "524288 1048576 2560000"
  52 #define NET_TCP_BUFFERSIZE_LTE_READ             "524288 1048576 2560000"
  53 #define NET_TCP_BUFFERSIZE_LTE_WRITE            "524288 1048576 2560000"
  54 #define NET_TCP_BUFFERSIZE_UMTS_READ            "4094 87380 704512"
  55 #define NET_TCP_BUFFERSIZE_UMTS_WRITE           "4096 16384 110208"
  56 #define NET_TCP_BUFFERSIZE_HSPA_READ            "4092 87380 704512"
  57 #define NET_TCP_BUFFERSIZE_HSPA_WRITE           "4096 16384 262144"
  58 #define NET_TCP_BUFFERSIZE_HSDPA_READ           "4092 87380 704512"
  59 #define NET_TCP_BUFFERSIZE_HSDPA_WRITE          "4096 16384 262144"
  60 #define NET_TCP_BUFFERSIZE_HSUPA_READ           "4092 87380 704512"
  61 #define NET_TCP_BUFFERSIZE_HSUPA_WRITE          "4096 16384 262144"
  62 #define NET_TCP_BUFFERSIZE_HSPAP_READ           "4092 87380 1220608"
  63 #define NET_TCP_BUFFERSIZE_HSPAP_WRITE          "4096 16384 1220608"
  64 #define NET_TCP_BUFFERSIZE_EDGE_READ            "4093 26280 35040"
  65 #define NET_TCP_BUFFERSIZE_EDGE_WRITE           "4096 16384 35040"
  66 #define NET_TCP_BUFFERSIZE_GPRS_READ            "4096 30000 30000"
  67 #define NET_TCP_BUFFERSIZE_GPRS_WRITE           "4096 8760 11680"
  68
  69 #define NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX        "1048576"
  70 #define NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX        "2097152"
  71 #define NET_TCP_BUFFERSIZE_LTE_RMEM_MAX         "5242880"
  72
  73 #define NET_TCP_BUFFERSIZE_WIFID_WMEM_MAX       "2097152"
  74
  75 #define NET_PROC_SYS_NET_IPV4_TCP_RMEM          "/proc/sys/net/ipv4/tcp_rmem"
  76 #define NET_PROC_SYS_NET_IPv4_TCP_WMEM          "/proc/sys/net/ipv4/tcp_wmem"
  77 #define NET_PROC_SYS_NET_CORE_RMEM_MAX          "/proc/sys/net/core/rmem_max"
  78 #define NET_PROC_SYS_NET_CORE_WMEM_MAX          "/proc/sys/net/core/wmem_max"
  79
  80 #define ROUTE_EXEC_PATH                                         "/sbin/route"
  81
  82 static Network *netconfigstate = NULL;
  83
  84 struct netconfig_default_connection {
  85         char *profile;
  86         char *ifname;
  87         char *ipaddress;
  88         char *ipaddress6;
  89         char *proxy;
  90         char *essid;
  91         unsigned int freq;
  92 };
  93
  94 static struct netconfig_default_connection
  95                                 netconfig_default_connection_info = { NULL, };
  96
  97 gboolean netconfig_iface_network_state_ethernet_cable_state(gint32 *state);
  98
  99 static gboolean __netconfig_is_connected(GVariantIter *array)
 100 {
 101         gboolean is_connected = FALSE;
 102         GVariant *variant = NULL;
 103         gchar *key = NULL;
 104         const gchar *value = NULL;
 105
 106         while (g_variant_iter_loop(array, "{sv}", &key, &variant)) {
 107                 if (g_strcmp0(key, "State") != 0)
 108                         continue;
 109
 110                 if (g_variant_is_of_type(variant, G_VARIANT_TYPE_STRING)) {
 111                         value = g_variant_get_string(variant, NULL);
 112                         if (g_strcmp0(value, "ready") == 0 || g_strcmp0(value, "online") == 0)
 113                                 is_connected = TRUE;
 114                 }
 115
 116                 g_free(key);
 117                 g_variant_unref(variant);
 118                 break;
 119         }
 120
 121         return is_connected;
 122 }
 123
 124 static char *__netconfig_get_default_profile(void)
 125 {
 126         GVariant *message = NULL;
 127         GVariantIter *iter;
 128         GVariantIter *next;
 129         gchar *default_profile = NULL;
 130         gchar *object_path;
 131
 132         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 133                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 134                         "GetServices", NULL);
 135         if (message == NULL) {
 136                 ERR("Failed to get profiles");
 137                 return NULL;
 138         }
 139
 140         g_variant_get(message, "(a(oa{sv}))", &iter);
 141         while (g_variant_iter_loop(iter, "(oa{sv})", &object_path, &next)) {
 142                 if (object_path == NULL)
 143                         continue;
 144
 145                 if (netconfig_is_cellular_profile(object_path) && !netconfig_is_cellular_internet_profile(object_path))
 146                         continue;
 147
 148                 if (__netconfig_is_connected(next) == TRUE) {
 149                         default_profile = g_strdup(object_path);
 150                         g_free(object_path);
 151                         g_variant_iter_free(next);
 152                         break;
 153                 }
 154         }
 155         g_variant_iter_free(iter);
 156         g_variant_unref(message);
 157
 158         return default_profile;
 159 }
 160
 161 static void __netconfig_get_default_connection_info(const char *profile)
 162 {
 163         GVariant *message = NULL, *variant = NULL, *variant2 = NULL;
 164         GVariantIter *iter = NULL, *iter1 = NULL,  *service = NULL;
 165         GVariant *next = NULL;
 166         gchar *obj_path;
 167         gchar *key = NULL;
 168         gchar *key1 = NULL;
 169         gchar *key2 = NULL;
 170         gboolean found_profile = 0;
 171
 172         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 173                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 174                         "GetServices", NULL);
 175         if (message == NULL) {
 176                 ERR("Failed to get services informations");
 177                 goto done;
 178         }
 179
 180         g_variant_get(message, "(a(oa{sv}))", &service);
 181         if (service == NULL) {
 182                 ERR("Failed to get services iter");
 183                 goto done;
 184         }
 185
 186         while (g_variant_iter_loop(service, "(oa{sv})", &obj_path, &iter)) {
 187                 if (g_strcmp0(obj_path, profile) == 0) {
 188                         g_free(obj_path);
 189                         found_profile = 1;
 190                         break;
 191                 }
 192         }
 193
 194         if (iter == NULL || found_profile == 0) {
 195                 ERR("Profile %s doesn't exist", profile);
 196                 goto done;
 197         }
 198
 199         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 200                 const gchar *value = NULL;
 201                 guint16 freq = 0;
 202                 if (g_strcmp0(key, "Name") == 0 &&
 203                                 netconfig_is_wifi_profile(profile) == TRUE) {
 204                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_STRING)) {
 205                                 value = g_variant_get_string(next, NULL);
 206
 207                                 netconfig_default_connection_info.essid = g_strdup(value);
 208                         }
 209                 } else if (g_strcmp0(key, "Ethernet") == 0) {
 210                         g_variant_get(next, "a{sv}", &iter1);
 211                         if (iter1 == NULL)
 212                                 continue;
 213                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 214                                 if (g_strcmp0(key1, "Interface") == 0) {
 215                                         value = g_variant_get_string(variant, NULL);
 216                                         netconfig_default_connection_info.ifname = g_strdup(value);
 217                                 }
 218                         }
 219                         g_variant_iter_free(iter1);
 220                 } else if (g_strcmp0(key, "IPv4") == 0) {
 221                         g_variant_get(next, "a{sv}", &iter1);
 222                         if (iter1 == NULL)
 223                                 continue;
 224                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 225                                 if (g_strcmp0(key1, "Address") == 0) {
 226                                         value = g_variant_get_string(variant, NULL);
 227                                         netconfig_default_connection_info.ipaddress = g_strdup(value);
 228                                 }
 229                         }
 230                         g_variant_iter_free(iter1);
 231                 } else if (g_strcmp0(key, "IPv6") == 0) {
 232                         g_variant_get(next, "a{sv}", &iter1);
 233                         if (iter1 == NULL)
 234                                 continue;
 235                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 236                                 if (g_strcmp0(key1, "Address") == 0) {
 237                                         value = g_variant_get_string(variant, NULL);
 238                                         netconfig_default_connection_info.ipaddress6 = g_strdup(value);
 239                                 }
 240                         }
 241                         g_variant_iter_free(iter1);
 242
 243                 } else if (g_strcmp0(key, "Proxy") == 0) {
 244                         g_variant_get(next, "a{sv}", &iter1);
 245                         if (iter1 == NULL)
 246                                 continue;
 247                         while (g_variant_iter_loop(iter1, "{sv}", &key2, &variant2)) {
 248                                 GVariantIter *iter_sub = NULL;
 249
 250                                 if (g_strcmp0(key2, "Servers") == 0) {
 251                                         if (!g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING_ARRAY)) {
 252                                                 g_free(key2);
 253                                                 g_variant_unref(variant2);
 254                                                 break;
 255                                         }
 256
 257                                         g_variant_get(variant2, "as", &iter_sub);
 258                                         g_variant_iter_loop(iter_sub, "s", &value);
 259                                         g_variant_iter_free(iter_sub);
 260                                         if (value != NULL && (strlen(value) > 0))
 261                                                 netconfig_default_connection_info.proxy = g_strdup(value);
 262                                 } else if (g_strcmp0(key2, "Method") == 0) {
 263                                         if (g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING)) {
 264                                                 g_free(key2);
 265                                                 g_variant_unref(variant2);
 266                                                 break;
 267                                         }
 268
 269                                         value = g_variant_get_string(variant2, NULL);
 270                                         if (g_strcmp0(value, "direct") == 0) {
 271                                                 g_free(netconfig_default_connection_info.proxy);
 272                                                 netconfig_default_connection_info.proxy = NULL;
 273
 274                                                 g_free(key2);
 275                                                 g_variant_unref(variant2);
 276                                                 break;
 277                                         }
 278                                 }
 279                         }
 280                         g_variant_iter_free(iter1);
 281                 } else if (g_strcmp0(key, "Frequency") == 0) {
 282                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_UINT16)) {
 283                                 freq = g_variant_get_uint16(next);
 284                                 netconfig_default_connection_info.freq = freq;
 285                         }
 286                 }
 287         }
 288
 289 done:
 290         if (message)
 291                 g_variant_unref(message);
 292
 293         if (iter)
 294                 g_variant_iter_free(iter);
 295
 296         if (service)
 297                 g_variant_iter_free(service);
 298
 299         return;
 300 }
 301
 302 static void __netconfig_adjust_tcp_buffer_size(void)
 303 {
 304         int fdr = 0, fdw = 0;
 305         int fdrmax = 0, fdwmax = 0;
 306         const char *rbuf_size = NULL;
 307         const char *wbuf_size = NULL;
 308         const char *rmax_size = NULL;
 309         const char *wmax_size = NULL;
 310         const char *profile = netconfig_get_default_profile();
 311
 312         if (profile == NULL) {
 313                 DBG("There is no default connection");
 314
 315                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 316                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 317         } else if (netconfig_is_wifi_profile(profile) == TRUE) {
 318                 DBG("Default connection: Wi-Fi");
 319
 320                 rbuf_size = NET_TCP_BUFFERSIZE_WIFI_READ;
 321                 wbuf_size = NET_TCP_BUFFERSIZE_WIFI_WRITE;
 322                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 323                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 324         } else if (netconfig_is_cellular_profile(profile) == TRUE) {
 325                 TapiHandle *tapi_handle = NULL;
 326                 int telephony_svctype = 0, telephony_pstype = 0;
 327
 328                 tapi_handle = (TapiHandle *)netconfig_tel_init();
 329                 if (NULL != tapi_handle) {
 330                         tel_get_property_int(tapi_handle,
 331                                         TAPI_PROP_NETWORK_SERVICE_TYPE,
 332                                         &telephony_svctype);
 333                         tel_get_property_int(tapi_handle, TAPI_PROP_NETWORK_PS_TYPE,
 334                                         &telephony_pstype);
 335                         netconfig_tel_deinit();
 336                 }
 337
 338                 DBG("Default cellular %d, %d", telephony_svctype, telephony_pstype);
 339
 340                 switch (telephony_pstype) {
 341                 case VCONFKEY_TELEPHONY_PSTYPE_HSPA:
 342                         rbuf_size = NET_TCP_BUFFERSIZE_HSPA_READ;
 343                         wbuf_size = NET_TCP_BUFFERSIZE_HSPA_WRITE;
 344                         break;
 345                 case VCONFKEY_TELEPHONY_PSTYPE_HSUPA:
 346                         rbuf_size = NET_TCP_BUFFERSIZE_HSUPA_READ;
 347                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 348                         break;
 349                 case VCONFKEY_TELEPHONY_PSTYPE_HSDPA:
 350                         rbuf_size = NET_TCP_BUFFERSIZE_HSDPA_READ;
 351                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 352                         break;
 353 #if !defined TIZEN_WEARABLE
 354                 case VCONFKEY_TELEPHONY_PSTYPE_HSPAP:
 355                         rbuf_size = NET_TCP_BUFFERSIZE_HSPAP_READ;
 356                         wbuf_size = NET_TCP_BUFFERSIZE_HSPAP_WRITE;
 357                         break;
 358 #endif
 359                 default:
 360                         switch (telephony_svctype) {
 361                         case VCONFKEY_TELEPHONY_SVCTYPE_LTE:
 362                                 rbuf_size = NET_TCP_BUFFERSIZE_LTE_READ;
 363                                 wbuf_size = NET_TCP_BUFFERSIZE_LTE_WRITE;
 364                                 rmax_size = NET_TCP_BUFFERSIZE_LTE_RMEM_MAX;
 365                                 break;
 366                         case VCONFKEY_TELEPHONY_SVCTYPE_3G:
 367                                 rbuf_size = NET_TCP_BUFFERSIZE_UMTS_READ;
 368                                 wbuf_size = NET_TCP_BUFFERSIZE_UMTS_WRITE;
 369                                 break;
 370                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G_EDGE:
 371                                 rbuf_size = NET_TCP_BUFFERSIZE_EDGE_READ;
 372                                 wbuf_size = NET_TCP_BUFFERSIZE_EDGE_WRITE;
 373                                 break;
 374                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G:
 375                                 rbuf_size = NET_TCP_BUFFERSIZE_GPRS_READ;
 376                                 wbuf_size = NET_TCP_BUFFERSIZE_GPRS_WRITE;
 377                                 break;
 378                         default:
 379                                 /* TODO: Check LTE support */
 380                                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 381                                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 382                                 break;
 383                         }
 384                         break;
 385                 }
 386         } else {
 387                 DBG("Default TCP buffer configured");
 388
 389                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 390                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 391         }
 392
 393         if (rbuf_size != NULL) {
 394                 fdr = open(NET_PROC_SYS_NET_IPV4_TCP_RMEM, O_RDWR | O_CLOEXEC);
 395
 396                 if (fdr < 0 || write(fdr, rbuf_size, strlen(rbuf_size)) < 0)
 397                         ERR("Failed to set TCP read buffer size");
 398
 399                 if (fdr >= 0)
 400                         close(fdr);
 401         }
 402
 403         if (wbuf_size != NULL) {
 404                 fdw = open(NET_PROC_SYS_NET_IPv4_TCP_WMEM, O_RDWR | O_CLOEXEC);
 405
 406                 if (fdw < 0 || write(fdw, wbuf_size, strlen(wbuf_size)) < 0)
 407                         ERR("Failed to set TCP write buffer size");
 408
 409                 if (fdw >= 0)
 410                         close(fdw);
 411         }
 412
 413         /* As default */
 414         if (rmax_size == NULL)
 415                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 416         if (wmax_size == NULL)
 417                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 418
 419         if (rmax_size != NULL) {
 420                 fdrmax = open(NET_PROC_SYS_NET_CORE_RMEM_MAX, O_RDWR | O_CLOEXEC);
 421
 422                 if (fdrmax < 0 || write(fdrmax, rmax_size, strlen(rmax_size)) < 0)
 423                         ERR("Failed to set TCP rmem_max size");
 424
 425                 if (fdrmax >= 0)
 426                         close(fdrmax);
 427         }
 428
 429         if (wmax_size != NULL) {
 430                 fdwmax = open(NET_PROC_SYS_NET_CORE_WMEM_MAX, O_RDWR | O_CLOEXEC);
 431
 432                 if (fdwmax < 0 || write(fdwmax, wmax_size, strlen(wmax_size)) < 0)
 433                         ERR("Failed to set TCP wmem_max size");
 434
 435                 if (fdwmax >= 0)
 436                         close(fdwmax);
 437         }
 438 }
 439
 440 static void __netconfig_update_default_connection_info(void)
 441 {
 442         int old_network_status = 0;
 443         const char *profile = netconfig_get_default_profile();
 444         const char *ip_addr = netconfig_get_default_ipaddress();
 445         const char *ip_addr6 = netconfig_get_default_ipaddress6();
 446         const char *proxy_addr = netconfig_get_default_proxy();
 447         unsigned int freq = netconfig_get_default_frequency();
 448
 449         if (emulator_is_emulated() == TRUE)
 450                 return;
 451
 452         if (profile == NULL)
 453                 DBG("Reset network state configuration");
 454         else
 455                 DBG("%s: ip(%s) proxy(%s)", profile, ip_addr, proxy_addr);
 456
 457         netconfig_vconf_get_int(VCONFKEY_NETWORK_STATUS, &old_network_status);
 458
 459         if (profile == NULL && old_network_status != VCONFKEY_NETWORK_OFF) {
 460                 netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 461
 462                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 463                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 464
 465                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 0);
 466                 netconfig_set_vconf_int("memory/private/wifi/frequency", 0);
 467
 468                 DBG("Successfully clear IP and PROXY up");
 469
 470         } else if (profile != NULL) {
 471                 char *old_ip = vconf_get_str(VCONFKEY_NETWORK_IP);
 472                 char *old_proxy = vconf_get_str(VCONFKEY_NETWORK_PROXY);
 473
 474                 if (netconfig_is_wifi_profile(profile) == TRUE) {
 475                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_WIFI);
 476                         netconfig_set_vconf_int("memory/private/wifi/frequency", freq);
 477
 478                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 479                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_WIFI);
 480                 } else if (netconfig_is_cellular_profile(profile)) {
 481
 482                         if (!netconfig_is_cellular_internet_profile(profile)) {
 483                                 DBG("connection is not a internet profile - stop to update the cellular state");
 484                                 return;
 485                         }
 486
 487                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_CELLULAR);
 488
 489                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 490                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_CELLULAR);
 491                 } else if (netconfig_is_ethernet_profile(profile) == TRUE) {
 492                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_ETHERNET);
 493                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 494                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_ETHERNET);
 495                 } else if (netconfig_is_bluetooth_profile(profile) == TRUE) {
 496                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_BLUETOOTH);
 497                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 498                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_BT);
 499                 } else{
 500                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 501                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 502                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_DISCONNECTED);
 503                 }
 504
 505                 if (g_strcmp0(old_ip, ip_addr) != 0 || old_ip == NULL) {
 506                         if (ip_addr != NULL)
 507                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr);
 508                         else if (ip_addr6 != NULL)
 509                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr6);
 510                         else
 511                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 512                 }
 513                 g_free(old_ip);
 514
 515                 if (g_strcmp0(old_proxy, proxy_addr) != 0) {
 516                         if (proxy_addr == NULL)
 517                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 518                         else
 519                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, proxy_addr);
 520                 }
 521                 g_free(old_proxy);
 522
 523                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 1);
 524
 525                 DBG("Successfully update default network configuration");
 526         }
 527
 528         __netconfig_adjust_tcp_buffer_size();
 529 }
 530
 531 static gboolean __netconfig_is_tech_state_connected(void)
 532 {
 533         gboolean ret = FALSE;
 534         GVariant *message = NULL, *variant;
 535         GVariantIter *iter, *next;
 536         gchar *path;
 537         gchar *key;
 538
 539         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 540                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 541                         "GetTechnologies", NULL);
 542
 543         if (message == NULL) {
 544                 DBG("Fail to get technology state");
 545                 return FALSE;
 546         }
 547
 548         g_variant_get(message, "(a(oa{sv}))", &iter);
 549         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 550                 if (path == NULL)
 551                         continue;
 552
 553                 while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
 554                         gboolean data;
 555                         if (g_strcmp0(key, "Connected") == 0) {
 556                                 data = g_variant_get_boolean(variant);
 557                                 DBG("%s [%s: %s]", path, key, data ? "True" : "False");
 558                                 if (TRUE == data) {
 559                                         ret = TRUE;
 560                                         g_free(path);
 561                                         g_free(key);
 562                                         g_variant_unref(variant);
 563                                         g_variant_iter_free(next);
 564                                         goto done;
 565                                 }
 566                         }
 567                 }
 568         }
 569
 570 done:
 571         g_variant_iter_free(iter);
 572         g_variant_unref(message);
 573
 574         return ret;
 575 }
 576
 577 static void __netconfig_update_if_service_connected(void)
 578 {
 579         GVariant *message = NULL, *var;
 580         GVariantIter *iter, *next;
 581         gchar *path;
 582         gchar *key;
 583
 584         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 585                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 586                         "GetServices", NULL);
 587
 588         if (message == NULL) {
 589                 ERR("Failed to get services");
 590                 return;
 591         }
 592
 593         g_variant_get(message, "(a(oa{sv}))", &iter);
 594         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 595                 if (path == NULL)
 596                         continue;
 597
 598                 if (g_str_has_prefix(path,
 599                                                 CONNMAN_WIFI_SERVICE_PROFILE_PREFIX) == TRUE) {
 600                         if (g_strrstr(path + strlen(CONNMAN_WIFI_SERVICE_PROFILE_PREFIX),
 601                                                         "hidden") != NULL) {
 602                                 /* skip hidden profiles */
 603                                 continue;
 604                         }
 605                         /* Process this */
 606                 } else if (g_str_has_prefix(path,
 607                                                 CONNMAN_CELLULAR_SERVICE_PROFILE_PREFIX) == TRUE) {
 608                         /* Process this */
 609                 } else {
 610                         continue;
 611                 }
 612
 613                 while (g_variant_iter_loop(next, "{sv}", &key, &var)) {
 614                         if (g_strcmp0(key, "State") == 0) {
 615                                 const gchar *sdata = NULL;
 616                                 sdata = g_variant_get_string(var, NULL);
 617                                 DBG("%s [%s: %s]", path, key, sdata);
 618
 619                                 if (g_strcmp0(sdata, "online") == 0 || g_strcmp0(sdata, "ready") == 0) {
 620
 621                                         /* Found a connected WiFi / 3G service.
 622                                          * Lets update the default profile info.
 623                                          */
 624                                         netconfig_update_default_profile((const gchar*)path);
 625                                         g_free(key);
 626                                         g_free(path);
 627                                         g_variant_unref(var);
 628                                         g_variant_iter_free(next);
 629                                         goto done;
 630                                 }
 631                         }
 632                 }
 633         }
 634 done:
 635         g_variant_iter_free(iter);
 636         g_variant_unref(message);
 637
 638         return;
 639 }
 640
 641 static void __netconfig_network_notify_result(const char *sig_name, const char *key)
 642 {
 643         GVariantBuilder *builder;
 644         GVariant *params;
 645
 646         INFO("[Signal] %s %s", sig_name, key);
 647
 648         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 649         g_variant_builder_add(builder, "{sv}", "key", g_variant_new_string(key));
 650
 651         params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 652         g_variant_builder_unref(builder);
 653
 654         netconfig_dbus_emit_signal(NULL,
 655                                 NETCONFIG_NETWORK_PATH,
 656                                 NETCONFIG_NETWORK_INTERFACE,
 657                                 sig_name,
 658                                 params);
 659
 660         return;
 661 }
 662
 663 const char *netconfig_get_default_profile(void)
 664 {
 665         return netconfig_default_connection_info.profile;
 666 }
 667
 668 const char *netconfig_get_default_ifname(void)
 669 {
 670         return netconfig_default_connection_info.ifname;
 671 }
 672
 673 const char *netconfig_get_default_ipaddress(void)
 674 {
 675         return netconfig_default_connection_info.ipaddress;
 676 }
 677
 678 const char *netconfig_get_default_ipaddress6(void)
 679 {
 680         return netconfig_default_connection_info.ipaddress6;
 681 }
 682
 683 const char *netconfig_get_default_proxy(void)
 684 {
 685         return netconfig_default_connection_info.proxy;
 686 }
 687
 688 unsigned int netconfig_get_default_frequency(void)
 689 {
 690         return netconfig_default_connection_info.freq;
 691 }
 692
 693 const char *netconfig_wifi_get_connected_essid(const char *default_profile)
 694 {
 695         if (default_profile == NULL)
 696                 return NULL;
 697
 698         if (netconfig_is_wifi_profile(default_profile) != TRUE)
 699                 return NULL;
 700
 701         if (g_strcmp0(default_profile, netconfig_default_connection_info.profile) != 0)
 702                 return NULL;
 703
 704         return netconfig_default_connection_info.essid;
 705 }
 706
 707 static int __netconfig_reset_ipv4_socket(void)
 708 {
 709         int ret;
 710         int fd;
 711         struct ifreq ifr;
 712         struct sockaddr_in sai;
 713         const char *ipaddr = netconfig_get_default_ipaddress();
 714         DBG("ipaddr-[%s]", ipaddr);
 715
 716         if (!ipaddr)
 717                 return -1;
 718
 719         fd = socket(AF_INET, SOCK_DGRAM, 0);
 720         if (fd < 0)
 721                 return -1;
 722
 723         memset(&sai, 0, sizeof(struct sockaddr_in));
 724         sai.sin_family = AF_INET;
 725         sai.sin_port = 0;
 726         if (!inet_aton(ipaddr, &sai.sin_addr)) {
 727                 DBG("fail to inet_aton()");
 728                 close(fd);
 729                 return -1;
 730         }
 731
 732         memset(&ifr, 0, sizeof(struct ifreq));
 733         memcpy(&ifr.ifr_addr, &sai, sizeof(sai));
 734         g_strlcpy((char *)ifr.ifr_name, WIFI_IFNAME, IFNAMSIZ);
 735
 736 #ifndef SIOCKILLADDR
 737 #define SIOCKILLADDR    0x8939
 738 #endif
 739
 740         ret = ioctl(fd, SIOCKILLADDR, &ifr);
 741         if (ret < 0) {
 742                 DBG("fail to ioctl[SIOCKILLADDR]");
 743                 close(fd);
 744                 return -1;
 745         }
 746
 747         close(fd);
 748         return 0;
 749 }
 750
 751 void netconfig_update_default_profile(const char *profile)
 752 {
 753         static char *old_profile = NULL;
 754
 755         /* It's automatically updated by signal-handler
 756          * DO NOT update manually
 757          *
 758          * It is going to update default connection information
 759          */
 760
 761         if (netconfig_default_connection_info.profile != NULL) {
 762
 763                 if (netconfig_is_wifi_profile(netconfig_default_connection_info.profile))
 764                         __netconfig_reset_ipv4_socket();
 765
 766                 g_free(old_profile);
 767                 old_profile = strdup(netconfig_default_connection_info.profile);
 768
 769                 g_free(netconfig_default_connection_info.profile);
 770                 netconfig_default_connection_info.profile = NULL;
 771
 772                 g_free(netconfig_default_connection_info.ifname);
 773                 netconfig_default_connection_info.ifname = NULL;
 774
 775                 g_free(netconfig_default_connection_info.ipaddress);
 776                 netconfig_default_connection_info.ipaddress = NULL;
 777
 778                 g_free(netconfig_default_connection_info.ipaddress6);
 779                 netconfig_default_connection_info.ipaddress6 = NULL;
 780
 781                 g_free(netconfig_default_connection_info.proxy);
 782                 netconfig_default_connection_info.proxy = NULL;
 783
 784                 netconfig_default_connection_info.freq = 0;
 785
 786                 if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED) {
 787                         g_free(netconfig_default_connection_info.essid);
 788                         netconfig_default_connection_info.essid = NULL;
 789                 }
 790         }
 791
 792         /* default profile is NULL and new connected profile is NULL */
 793         if (!profile) {
 794                 profile = __netconfig_get_default_profile();
 795
 796                 if (profile && netconfig_is_cellular_profile(profile) &&
 797                         !netconfig_is_cellular_internet_profile(profile)) {
 798                         DBG("not a default cellular profile");
 799                         profile = NULL;
 800                 }
 801
 802                 if (!profile) {
 803                         __netconfig_update_default_connection_info();
 804                         return;
 805                 }
 806         }
 807
 808         netconfig_default_connection_info.profile = g_strdup(profile);
 809         __netconfig_get_default_connection_info(profile);
 810         __netconfig_update_default_connection_info();
 811
 812 }
 813
 814 void netconfig_update_default(void)
 815 {
 816         if (__netconfig_is_tech_state_connected() == TRUE)
 817                 __netconfig_update_if_service_connected();
 818         else
 819                 __netconfig_adjust_tcp_buffer_size();
 820 }
 821
 822 char *netconfig_get_ifname(const char *profile)
 823 {
 824         GVariant *message = NULL, *variant;
 825         GVariantIter *iter, *next, *service;
 826         gchar *obj_path;
 827         gchar *key;
 828         gchar *key1;
 829         const gchar *value = NULL;
 830         gchar *ifname = NULL;
 831         gboolean found_profile = 0;
 832
 833         if (profile == NULL)
 834                 return NULL;
 835
 836         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 837                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 838                         "GetServices", NULL);
 839         if (message == NULL) {
 840                 ERR("Failed to get services informations");
 841                 return NULL;
 842         }
 843
 844         g_variant_get(message, "(a(oa{sv}))", &service);
 845         while (g_variant_iter_loop(service, "(oa{sv})", &obj_path, &iter)) {
 846                 if (g_strcmp0(obj_path, profile) == 0) {
 847                         g_free(obj_path);
 848                         found_profile = 1;
 849                         break;
 850                 }
 851         }
 852
 853         if (found_profile == 0) {
 854                 ERR("Profile %s doesn't exist", profile);
 855                 g_variant_iter_free(service);
 856                 g_variant_unref(message);
 857                 return NULL;
 858         }
 859
 860         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 861                 if (g_strcmp0(key, "Ethernet") == 0) {
 862                         while (g_variant_iter_loop(next, "{sv}", &key1, &variant)) {
 863                                 if (g_strcmp0(key1, "Interface") == 0) {
 864                                         value = g_variant_get_string(variant, NULL);
 865                                         if (ifname)
 866                                                 g_free(ifname);
 867                                         ifname = g_strdup(value);
 868                                 }
 869                         }
 870                 }
 871         }
 872
 873         g_variant_unref(message);
 874
 875         g_variant_iter_free(service);
 876         g_variant_iter_free(iter);
 877
 878         return ifname;
 879 }
 880
 881 /* Check Ethernet Cable Plug-in /Plug-out Status */
 882 void netconfig_network_notify_ethernet_cable_state(const char *key)
 883 {
 884         __netconfig_network_notify_result("EthernetCableState", key);
 885 }
 886
 887 static gboolean handle_add_route(
 888                 Network *object,
 889                 GDBusMethodInvocation *context,
 890                 gchar *ip_addr,
 891                 gchar *netmask,
 892                 gchar *interface,  gchar *gateway, gint address_family)
 893 {
 894         const gchar *path = ROUTE_EXEC_PATH;
 895         gchar *const args[] = { "/sbin/route", "add", "-net", ip_addr,
 896                 "netmask", netmask, "dev", interface, NULL };
 897         gchar *const envs[] = { NULL };
 898         const gchar* buf = NULL;
 899         gchar* ch = NULL;
 900         int prefix_len = 0;
 901         int pos = 0;
 902
 903         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 904
 905         switch (address_family) {
 906         case AF_INET:
 907                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 908                         ERR("Invalid parameter");
 909                         netconfig_error_invalid_parameter(context);
 910                         return FALSE;
 911                 }
 912
 913                 if (netconfig_execute_file(path, args, envs) < 0) {
 914                         DBG("Failed to add a new route");
 915                         netconfig_error_permission_denied(context);
 916                         return FALSE;
 917                 }
 918
 919                 break;
 920         case AF_INET6:
 921                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 922                         ERR("Invalid parameter");
 923                         netconfig_error_invalid_parameter(context);
 924                         return FALSE;
 925                 }
 926
 927                 buf = ip_addr;
 928                 ch = strchr(buf, '/');
 929                 pos = ch - buf + 1;
 930                 if (ch) {
 931                         prefix_len = atoi(ch + 1);
 932                         ip_addr[pos-1] = '\0';
 933                 } else {
 934                         prefix_len = 128;
 935                 }
 936
 937                 if (netconfig_add_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
 938                         DBG("Failed to add a new route");
 939                         netconfig_error_permission_denied(context);
 940                         return FALSE;
 941                 }
 942                 break;
 943         default:
 944                 DBG("Unknown Address Family");
 945                 netconfig_error_invalid_parameter(context);
 946                 return FALSE;
 947         }
 948
 949         DBG("Successfully added a new route");
 950         network_complete_add_route(object, context, TRUE);
 951         return TRUE;
 952 }
 953
 954 static gboolean handle_remove_route(
 955                 Network *object,
 956                 GDBusMethodInvocation *context,
 957                 gchar *ip_addr,
 958                 gchar *netmask,
 959                 gchar *interface, gchar *gateway, gint address_family)
 960 {
 961         const char *path = ROUTE_EXEC_PATH;
 962         gchar *const args[] = { "/sbin/route", "del", "-net", ip_addr,
 963                 "netmask", netmask, "dev", interface, NULL };
 964         char *const envs[] = { NULL };
 965         const char* buf = NULL;
 966         char* ch = NULL;
 967         int prefix_len = 0;
 968         int pos = 0;
 969
 970         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 971
 972         switch (address_family) {
 973         case AF_INET:
 974                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 975                         DBG("Invalid parameter!");
 976                         netconfig_error_invalid_parameter(context);
 977                         return FALSE;
 978                 }
 979                 if (netconfig_execute_file(path, args, envs) < 0) {
 980                         DBG("Failed to remove the route");
 981                         netconfig_error_permission_denied(context);
 982                         return FALSE;
 983                 }
 984                 break;
 985         case AF_INET6:
 986                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 987                         DBG("Invalid parameter!");
 988                         netconfig_error_invalid_parameter(context);
 989                         return FALSE;
 990                 }
 991
 992                 buf = ip_addr;
 993                 ch = strchr(buf, '/');
 994                 pos = ch - buf + 1;
 995                 if (ch) {
 996                         prefix_len = atoi(ch + 1);
 997                         ip_addr[pos-1] = '\0';
 998                 } else {
 999                         prefix_len = 128;
1000                 }
1001
1002                 if (netconfig_del_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
1003                         DBG("Failed to remove the route");
1004                         netconfig_error_permission_denied(context);
1005                         return FALSE;
1006                 }
1007                 break;
1008         default:
1009                 DBG("Unknown Address Family");
1010                 netconfig_error_invalid_parameter(context);
1011                 return FALSE;
1012         }
1013
1014         DBG("Successfully removed the route");
1015         network_complete_remove_route(object, context, TRUE);
1016         return TRUE;
1017 }
1018
1019 static gboolean handle_check_get_privilege(Network *object,
1020                 GDBusMethodInvocation *context)
1021 {
1022         network_complete_check_get_privilege(object, context);
1023         return TRUE;
1024 }
1025
1026
1027 static gboolean handle_check_profile_privilege(Network *object,
1028                 GDBusMethodInvocation *context)
1029 {
1030         network_complete_check_profile_privilege(object, context);
1031         return TRUE;
1032 }
1033
1034 static gboolean handle_check_internet_privilege(Network *object,
1035                 GDBusMethodInvocation *context)
1036 {
1037         network_complete_check_internet_privilege(object, context);
1038         return TRUE;
1039 }
1040
1041 gboolean handle_ethernet_cable_state(Network *object,
1042         GDBusMethodInvocation *context)
1043 {
1044         int ret = 0;
1045         int state = 0;
1046
1047         ret = netconfig_get_ethernet_cable_state(&state);
1048         if (ret != 0) {
1049                 DBG("Failed to get ethernet cable state");
1050                 netconfig_error_fail_ethernet_cable_state(context);
1051                 return FALSE;
1052         }
1053
1054         DBG("Successfully get ethernet cable state[%d]", state);
1055         network_complete_ethernet_cable_state(object, context, state);
1056         return TRUE;
1057 }
1058
1059 void state_object_create_and_init(void)
1060 {
1061         DBG("Creating network state object");
1062         GDBusInterfaceSkeleton *interface_network = NULL;
1063         GDBusConnection *connection = NULL;
1064         GDBusObjectManagerServer *server = netdbus_get_state_manager();
1065         if (server == NULL)
1066                 return;
1067
1068         connection = netdbus_get_connection();
1069         g_dbus_object_manager_server_set_connection(server, connection);
1070
1071         /*Interface netconfig.network*/
1072         netconfigstate = network_skeleton_new();
1073
1074         interface_network = G_DBUS_INTERFACE_SKELETON(netconfigstate);
1075         g_signal_connect(netconfigstate, "handle-add-route",
1076                                 G_CALLBACK(handle_add_route), NULL);
1077         g_signal_connect(netconfigstate, "handle-check-get-privilege",
1078                                 G_CALLBACK(handle_check_get_privilege), NULL);
1079         g_signal_connect(netconfigstate, "handle-check-profile-privilege",
1080                                 G_CALLBACK(handle_check_profile_privilege), NULL);
1081         g_signal_connect(netconfigstate, "handle-check-internet-privilege",
1082                                 G_CALLBACK(handle_check_internet_privilege), NULL);
1083         g_signal_connect(netconfigstate, "handle-ethernet-cable-state",
1084                                 G_CALLBACK(handle_ethernet_cable_state), NULL);
1085         g_signal_connect(netconfigstate, "handle-remove-route",
1086                                 G_CALLBACK(handle_remove_route), NULL);
1087         g_signal_connect(netconfigstate, "handle-launch-mdns",
1088                                 G_CALLBACK(handle_launch_mdns), NULL);
1089         g_signal_connect(netconfigstate, "handle-device-policy-set-wifi",
1090                                 G_CALLBACK(handle_device_policy_set_wifi), NULL);
1091         g_signal_connect(netconfigstate, "handle-device-policy-get-wifi",
1092                                 G_CALLBACK(handle_device_policy_get_wifi), NULL);
1093         g_signal_connect(netconfigstate, "handle-device-policy-set-wifi-profile",
1094                                 G_CALLBACK(handle_device_policy_set_wifi_profile), NULL);
1095         g_signal_connect(netconfigstate, "handle-device-policy-get-wifi-profile",
1096                                 G_CALLBACK(handle_device_policy_get_wifi_profile), NULL);
1097
1098         if (!g_dbus_interface_skeleton_export(interface_network, connection,
1099                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1100                 ERR("Export with path failed");
1101         }
1102 }
1103
1104 void state_object_deinit(void)
1105 {
1106         g_object_unref(netconfigstate);
1107 }