src/network-state.c

   1 /*
   2  * Network Configuration Module
   3  *
   4  * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <vconf.h>
  21 #include <vconf-keys.h>
  22 #include <fcntl.h>
  23 #include <unistd.h>
  24 #include <stdlib.h>
  25 #include <net/if.h>
  26 #include <arpa/inet.h>
  27 #include <netinet/in.h>
  28 #include <sys/ioctl.h>
  29
  30 #include "log.h"
  31 #include "util.h"
  32 #include "netdbus.h"
  33 #include "neterror.h"
  34 #include "emulator.h"
  35 #include "wifi-state.h"
  36 #include "wifi-power.h"
  37 #include "network-state.h"
  38 #include "network-dpm.h"
  39 #include "network-monitor.h"
  40 #include "netsupplicant.h"
  41
  42 #include "generated-code.h"
  43 /* Define TCP buffer sizes for various networks */
  44 /* ReadMin, ReadInitial, ReadMax */ /* WriteMin, WriteInitial, WriteMax */
  45 #define NET_TCP_BUFFERSIZE_DEFAULT_READ         "4096 87380 704512"
  46 #define NET_TCP_BUFFERSIZE_DEFAULT_WRITE        "4096 16384 110208"
  47 #define NET_TCP_BUFFERSIZE_WIFI_READ            "524288 1048576 2560000"
  48 #define NET_TCP_BUFFERSIZE_WIFI_WRITE           "524288 1048576 2560000"
  49 #define NET_TCP_BUFFERSIZE_LTE_READ             "524288 1048576 2560000"
  50 #define NET_TCP_BUFFERSIZE_LTE_WRITE            "524288 1048576 2560000"
  51 #define NET_TCP_BUFFERSIZE_UMTS_READ            "4094 87380 704512"
  52 #define NET_TCP_BUFFERSIZE_UMTS_WRITE           "4096 16384 110208"
  53 #define NET_TCP_BUFFERSIZE_HSPA_READ            "4092 87380 704512"
  54 #define NET_TCP_BUFFERSIZE_HSPA_WRITE           "4096 16384 262144"
  55 #define NET_TCP_BUFFERSIZE_HSDPA_READ           "4092 87380 704512"
  56 #define NET_TCP_BUFFERSIZE_HSDPA_WRITE          "4096 16384 262144"
  57 #define NET_TCP_BUFFERSIZE_HSUPA_READ           "4092 87380 704512"
  58 #define NET_TCP_BUFFERSIZE_HSUPA_WRITE          "4096 16384 262144"
  59 #define NET_TCP_BUFFERSIZE_HSPAP_READ           "4092 87380 1220608"
  60 #define NET_TCP_BUFFERSIZE_HSPAP_WRITE          "4096 16384 1220608"
  61 #define NET_TCP_BUFFERSIZE_EDGE_READ            "4093 26280 35040"
  62 #define NET_TCP_BUFFERSIZE_EDGE_WRITE           "4096 16384 35040"
  63 #define NET_TCP_BUFFERSIZE_GPRS_READ            "4096 30000 30000"
  64 #define NET_TCP_BUFFERSIZE_GPRS_WRITE           "4096 8760 11680"
  65
  66 #define NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX        "1048576"
  67 #define NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX        "2097152"
  68 #define NET_TCP_BUFFERSIZE_LTE_RMEM_MAX         "5242880"
  69
  70 #define NET_TCP_BUFFERSIZE_WIFID_WMEM_MAX       "2097152"
  71
  72 #define NET_PROC_SYS_NET_IPV4_TCP_RMEM          "/proc/sys/net/ipv4/tcp_rmem"
  73 #define NET_PROC_SYS_NET_IPv4_TCP_WMEM          "/proc/sys/net/ipv4/tcp_wmem"
  74 #define NET_PROC_SYS_NET_CORE_RMEM_MAX          "/proc/sys/net/core/rmem_max"
  75 #define NET_PROC_SYS_NET_CORE_WMEM_MAX          "/proc/sys/net/core/wmem_max"
  76
  77 #define ROUTE_EXEC_PATH                                         "/sbin/route"
  78
  79 static Network *netconfigstate = NULL;
  80
  81 struct netconfig_default_connection {
  82         char *profile;
  83         char *ifname;
  84         char *ipaddress;
  85         char *ipaddress6;
  86         char *proxy;
  87         char *essid;
  88         unsigned int freq;
  89 };
  90
  91 static struct netconfig_default_connection
  92                                 netconfig_default_connection_info = { NULL, };
  93
  94 gboolean netconfig_iface_network_state_ethernet_cable_state(gint32 *state);
  95
  96 static gboolean __netconfig_is_connected(GVariantIter *array)
  97 {
  98         gboolean is_connected = FALSE;
  99         GVariant *variant = NULL;
 100         gchar *key = NULL;
 101         const gchar *value = NULL;
 102
 103         while (g_variant_iter_loop(array, "{sv}", &key, &variant)) {
 104                 if (g_strcmp0(key, "State") != 0)
 105                         continue;
 106
 107                 if (g_variant_is_of_type(variant, G_VARIANT_TYPE_STRING)) {
 108                         value = g_variant_get_string(variant, NULL);
 109                         if (g_strcmp0(value, "ready") == 0 || g_strcmp0(value, "online") == 0)
 110                                 is_connected = TRUE;
 111                 }
 112
 113                 g_free(key);
 114                 g_variant_unref(variant);
 115                 break;
 116         }
 117
 118         return is_connected;
 119 }
 120
 121 static char *__netconfig_get_default_profile(void)
 122 {
 123         GVariant *message = NULL;
 124         GVariantIter *iter;
 125         GVariantIter *next;
 126         gchar *default_profile = NULL;
 127         gchar *object_path;
 128
 129         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 130                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 131                         "GetServices", NULL);
 132         if (message == NULL) {
 133                 ERR("Failed to get profiles");
 134                 return NULL;
 135         }
 136
 137         g_variant_get(message, "(a(oa{sv}))", &iter);
 138         while (g_variant_iter_loop(iter, "(oa{sv})", &object_path, &next)) {
 139                 if (object_path == NULL)
 140                         continue;
 141
 142                 if (netconfig_is_cellular_profile(object_path) && !netconfig_is_cellular_internet_profile(object_path))
 143                         continue;
 144
 145                 if (__netconfig_is_connected(next) == TRUE) {
 146                         default_profile = g_strdup(object_path);
 147                         g_free(object_path);
 148                         g_variant_iter_free(next);
 149                         break;
 150                 }
 151         }
 152         g_variant_iter_free(iter);
 153         g_variant_unref(message);
 154
 155         return default_profile;
 156 }
 157
 158 static void __netconfig_get_default_connection_info(const char *profile)
 159 {
 160         GVariant *message = NULL, *variant = NULL, *variant2 = NULL;
 161         GVariantIter *iter = NULL, *iter1 = NULL,  *service = NULL;
 162         GVariant *next = NULL;
 163         gchar *obj_path;
 164         gchar *key = NULL;
 165         gchar *key1 = NULL;
 166         gchar *key2 = NULL;
 167         gboolean found_profile = 0;
 168
 169         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 170                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 171                         "GetServices", NULL);
 172         if (message == NULL) {
 173                 ERR("Failed to get services informations");
 174                 goto done;
 175         }
 176
 177         g_variant_get(message, "(a(oa{sv}))", &service);
 178         if (service == NULL) {
 179                 ERR("Failed to get services iter");
 180                 goto done;
 181         }
 182
 183         while (g_variant_iter_loop(service, "(oa{sv})", &obj_path, &iter)) {
 184                 if (g_strcmp0(obj_path, profile) == 0) {
 185                         g_free(obj_path);
 186                         found_profile = 1;
 187                         break;
 188                 }
 189         }
 190
 191         if (iter == NULL || found_profile == 0) {
 192                 ERR("Profile %s doesn't exist", profile);
 193                 goto done;
 194         }
 195
 196         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 197                 const gchar *value = NULL;
 198                 guint16 freq = 0;
 199                 if (g_strcmp0(key, "Name") == 0 &&
 200                                 netconfig_is_wifi_profile(profile) == TRUE) {
 201                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_STRING)) {
 202                                 value = g_variant_get_string(next, NULL);
 203
 204                                 netconfig_default_connection_info.essid = g_strdup(value);
 205                         }
 206                 } else if (g_strcmp0(key, "Ethernet") == 0) {
 207                         g_variant_get(next, "a{sv}", &iter1);
 208                         if (iter1 == NULL)
 209                                 continue;
 210                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 211                                 if (g_strcmp0(key1, "Interface") == 0) {
 212                                         value = g_variant_get_string(variant, NULL);
 213                                         netconfig_default_connection_info.ifname = g_strdup(value);
 214                                 }
 215                         }
 216                         g_variant_iter_free(iter1);
 217                 } else if (g_strcmp0(key, "IPv4") == 0) {
 218                         g_variant_get(next, "a{sv}", &iter1);
 219                         if (iter1 == NULL)
 220                                 continue;
 221                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 222                                 if (g_strcmp0(key1, "Address") == 0) {
 223                                         value = g_variant_get_string(variant, NULL);
 224                                         netconfig_default_connection_info.ipaddress = g_strdup(value);
 225                                 }
 226                         }
 227                         g_variant_iter_free(iter1);
 228                 } else if (g_strcmp0(key, "IPv6") == 0) {
 229                         g_variant_get(next, "a{sv}", &iter1);
 230                         if (iter1 == NULL)
 231                                 continue;
 232                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 233                                 if (g_strcmp0(key1, "Address") == 0) {
 234                                         value = g_variant_get_string(variant, NULL);
 235                                         netconfig_default_connection_info.ipaddress6 = g_strdup(value);
 236                                 }
 237                         }
 238                         g_variant_iter_free(iter1);
 239
 240                 } else if (g_strcmp0(key, "Proxy") == 0) {
 241                         g_variant_get(next, "a{sv}", &iter1);
 242                         if (iter1 == NULL)
 243                                 continue;
 244                         while (g_variant_iter_loop(iter1, "{sv}", &key2, &variant2)) {
 245                                 GVariantIter *iter_sub = NULL;
 246
 247                                 if (g_strcmp0(key2, "Servers") == 0) {
 248                                         if (!g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING_ARRAY)) {
 249                                                 g_free(key2);
 250                                                 g_variant_unref(variant2);
 251                                                 break;
 252                                         }
 253
 254                                         g_variant_get(variant2, "as", &iter_sub);
 255                                         g_variant_iter_loop(iter_sub, "s", &value);
 256                                         g_variant_iter_free(iter_sub);
 257                                         if (value != NULL && (strlen(value) > 0))
 258                                                 netconfig_default_connection_info.proxy = g_strdup(value);
 259                                 } else if (g_strcmp0(key2, "Method") == 0) {
 260                                         if (g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING)) {
 261                                                 g_free(key2);
 262                                                 g_variant_unref(variant2);
 263                                                 break;
 264                                         }
 265
 266                                         value = g_variant_get_string(variant2, NULL);
 267                                         if (g_strcmp0(value, "direct") == 0) {
 268                                                 g_free(netconfig_default_connection_info.proxy);
 269                                                 netconfig_default_connection_info.proxy = NULL;
 270
 271                                                 g_free(key2);
 272                                                 g_variant_unref(variant2);
 273                                                 break;
 274                                         }
 275                                 }
 276                         }
 277                         g_variant_iter_free(iter1);
 278                 } else if (g_strcmp0(key, "Frequency") == 0) {
 279                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_UINT16)) {
 280                                 freq = g_variant_get_uint16(next);
 281                                 netconfig_default_connection_info.freq = freq;
 282                         }
 283                 }
 284         }
 285
 286 done:
 287         if (message)
 288                 g_variant_unref(message);
 289
 290         if (iter)
 291                 g_variant_iter_free(iter);
 292
 293         if (service)
 294                 g_variant_iter_free(service);
 295
 296         return;
 297 }
 298
 299 static void __netconfig_adjust_tcp_buffer_size(void)
 300 {
 301         int fdr = 0, fdw = 0;
 302         int fdrmax = 0, fdwmax = 0;
 303         const char *rbuf_size = NULL;
 304         const char *wbuf_size = NULL;
 305         const char *rmax_size = NULL;
 306         const char *wmax_size = NULL;
 307         const char *profile = netconfig_get_default_profile();
 308
 309         if (profile == NULL) {
 310                 DBG("There is no default connection");
 311
 312                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 313                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 314         } else if (netconfig_is_wifi_profile(profile) == TRUE) {
 315                 DBG("Default connection: Wi-Fi");
 316
 317                 rbuf_size = NET_TCP_BUFFERSIZE_WIFI_READ;
 318                 wbuf_size = NET_TCP_BUFFERSIZE_WIFI_WRITE;
 319                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 320                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 321         } else if (netconfig_is_cellular_profile(profile) == TRUE) {
 322                 int telephony_svctype = 0, telephony_pstype = 0;
 323
 324                 netconfig_get_telephony_network_type(&telephony_svctype, &telephony_pstype);
 325                 DBG("Default cellular %d, %d", telephony_svctype, telephony_pstype);
 326
 327                 switch (telephony_pstype) {
 328                 case VCONFKEY_TELEPHONY_PSTYPE_HSPA:
 329                         rbuf_size = NET_TCP_BUFFERSIZE_HSPA_READ;
 330                         wbuf_size = NET_TCP_BUFFERSIZE_HSPA_WRITE;
 331                         break;
 332                 case VCONFKEY_TELEPHONY_PSTYPE_HSUPA:
 333                         rbuf_size = NET_TCP_BUFFERSIZE_HSUPA_READ;
 334                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 335                         break;
 336                 case VCONFKEY_TELEPHONY_PSTYPE_HSDPA:
 337                         rbuf_size = NET_TCP_BUFFERSIZE_HSDPA_READ;
 338                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 339                         break;
 340 #if !defined TIZEN_WEARABLE
 341                 case VCONFKEY_TELEPHONY_PSTYPE_HSPAP:
 342                         rbuf_size = NET_TCP_BUFFERSIZE_HSPAP_READ;
 343                         wbuf_size = NET_TCP_BUFFERSIZE_HSPAP_WRITE;
 344                         break;
 345 #endif
 346                 default:
 347                         switch (telephony_svctype) {
 348                         case VCONFKEY_TELEPHONY_SVCTYPE_LTE:
 349                                 rbuf_size = NET_TCP_BUFFERSIZE_LTE_READ;
 350                                 wbuf_size = NET_TCP_BUFFERSIZE_LTE_WRITE;
 351                                 rmax_size = NET_TCP_BUFFERSIZE_LTE_RMEM_MAX;
 352                                 break;
 353                         case VCONFKEY_TELEPHONY_SVCTYPE_3G:
 354                                 rbuf_size = NET_TCP_BUFFERSIZE_UMTS_READ;
 355                                 wbuf_size = NET_TCP_BUFFERSIZE_UMTS_WRITE;
 356                                 break;
 357                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G_EDGE:
 358                                 rbuf_size = NET_TCP_BUFFERSIZE_EDGE_READ;
 359                                 wbuf_size = NET_TCP_BUFFERSIZE_EDGE_WRITE;
 360                                 break;
 361                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G:
 362                                 rbuf_size = NET_TCP_BUFFERSIZE_GPRS_READ;
 363                                 wbuf_size = NET_TCP_BUFFERSIZE_GPRS_WRITE;
 364                                 break;
 365                         default:
 366                                 /* TODO: Check LTE support */
 367                                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 368                                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 369                                 break;
 370                         }
 371                         break;
 372                 }
 373         } else {
 374                 DBG("Default TCP buffer configured");
 375
 376                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 377                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 378         }
 379
 380         if (rbuf_size != NULL) {
 381                 fdr = open(NET_PROC_SYS_NET_IPV4_TCP_RMEM, O_RDWR | O_CLOEXEC);
 382
 383                 if (fdr < 0 || write(fdr, rbuf_size, strlen(rbuf_size)) < 0)
 384                         ERR("Failed to set TCP read buffer size");
 385
 386                 if (fdr >= 0)
 387                         close(fdr);
 388         }
 389
 390         if (wbuf_size != NULL) {
 391                 fdw = open(NET_PROC_SYS_NET_IPv4_TCP_WMEM, O_RDWR | O_CLOEXEC);
 392
 393                 if (fdw < 0 || write(fdw, wbuf_size, strlen(wbuf_size)) < 0)
 394                         ERR("Failed to set TCP write buffer size");
 395
 396                 if (fdw >= 0)
 397                         close(fdw);
 398         }
 399
 400         /* As default */
 401         if (rmax_size == NULL)
 402                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 403         if (wmax_size == NULL)
 404                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 405
 406         if (rmax_size != NULL) {
 407                 fdrmax = open(NET_PROC_SYS_NET_CORE_RMEM_MAX, O_RDWR | O_CLOEXEC);
 408
 409                 if (fdrmax < 0 || write(fdrmax, rmax_size, strlen(rmax_size)) < 0)
 410                         ERR("Failed to set TCP rmem_max size");
 411
 412                 if (fdrmax >= 0)
 413                         close(fdrmax);
 414         }
 415
 416         if (wmax_size != NULL) {
 417                 fdwmax = open(NET_PROC_SYS_NET_CORE_WMEM_MAX, O_RDWR | O_CLOEXEC);
 418
 419                 if (fdwmax < 0 || write(fdwmax, wmax_size, strlen(wmax_size)) < 0)
 420                         ERR("Failed to set TCP wmem_max size");
 421
 422                 if (fdwmax >= 0)
 423                         close(fdwmax);
 424         }
 425 }
 426
 427 static void __netconfig_update_default_connection_info(void)
 428 {
 429         int old_network_status = 0;
 430         const char *profile = netconfig_get_default_profile();
 431         const char *ip_addr = netconfig_get_default_ipaddress();
 432         const char *ip_addr6 = netconfig_get_default_ipaddress6();
 433         const char *proxy_addr = netconfig_get_default_proxy();
 434         unsigned int freq = netconfig_get_default_frequency();
 435
 436         if (emulator_is_emulated() == TRUE) {
 437                 if (ip_addr != NULL)
 438                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr);
 439                 else
 440                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 441
 442                 if (ip_addr6 != NULL)
 443                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, ip_addr6);
 444                 else
 445                         netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, "");
 446
 447                 return;
 448         }
 449
 450         if (profile == NULL)
 451                 DBG("Reset network state configuration");
 452         else
 453                 DBG("%s: ip(%s) ip6(%s) proxy(%s)", profile, ip_addr, ip_addr6, proxy_addr);
 454
 455         netconfig_vconf_get_int(VCONFKEY_NETWORK_STATUS, &old_network_status);
 456
 457         if (profile == NULL && old_network_status != VCONFKEY_NETWORK_OFF) {
 458                 netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 459
 460                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 461                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, "");
 462                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 463
 464                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 0);
 465                 netconfig_set_vconf_int("memory/private/wifi/frequency", 0);
 466
 467                 DBG("Successfully clear IP and PROXY up");
 468
 469         } else if (profile != NULL) {
 470                 char *old_ip = vconf_get_str(VCONFKEY_NETWORK_IP);
 471                 char *old_ip6 = vconf_get_str(VCONFKEY_NETWORK_IP6);
 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                                 if (old_ip)
 485                                         free(old_ip);
 486                                 if (old_ip6)
 487                                         free(old_ip6);
 488                                 if (old_proxy)
 489                                         free(old_proxy);
 490                                 return;
 491                         }
 492
 493                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_CELLULAR);
 494
 495                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 496                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_CELLULAR);
 497                 } else if (netconfig_is_ethernet_profile(profile) == TRUE) {
 498                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_ETHERNET);
 499                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 500                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_ETHERNET);
 501                 } else if (netconfig_is_bluetooth_profile(profile) == TRUE) {
 502                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_BLUETOOTH);
 503                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 504                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_BT);
 505                 } else{
 506                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 507                         netconfig_set_system_event(SYS_EVT_NETWORK_STATUS,
 508                                 EKEY_NETWORK_STATUS, EVAL_NETWORK_DISCONNECTED);
 509                 }
 510
 511                 if (g_strcmp0(old_ip, ip_addr) != 0 || old_ip == NULL) {
 512                         if (ip_addr != NULL)
 513                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr);
 514                         else if (old_ip != NULL && strlen(old_ip) > 0)
 515                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 516                 }
 517                 if (old_ip)
 518                         free(old_ip);
 519
 520                 if (g_strcmp0(old_ip6, ip_addr6) != 0 || old_ip6 == NULL) {
 521                         if (ip_addr6 != NULL)
 522                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, ip_addr6);
 523                         else if (old_ip6 != NULL && strlen(old_ip6) > 0)
 524                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP6, "");
 525                 }
 526                 if (old_ip6)
 527                         free(old_ip6);
 528
 529                 if (g_strcmp0(old_proxy, proxy_addr) != 0) {
 530                         if (proxy_addr == NULL)
 531                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 532                         else
 533                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, proxy_addr);
 534                 }
 535                 if (old_proxy)
 536                         free(old_proxy);
 537
 538                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 1);
 539
 540                 DBG("Successfully update default network configuration");
 541         }
 542
 543         __netconfig_adjust_tcp_buffer_size();
 544 }
 545
 546 static gboolean __netconfig_is_tech_state_connected(void)
 547 {
 548         gboolean ret = FALSE;
 549         GVariant *message = NULL, *variant;
 550         GVariantIter *iter, *next;
 551         gchar *path;
 552         gchar *key;
 553
 554         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 555                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 556                         "GetTechnologies", NULL);
 557
 558         if (message == NULL) {
 559                 DBG("Fail to get technology state");
 560                 return FALSE;
 561         }
 562
 563         g_variant_get(message, "(a(oa{sv}))", &iter);
 564         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 565                 if (path == NULL)
 566                         continue;
 567
 568                 while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
 569                         gboolean data;
 570                         if (g_strcmp0(key, "Connected") == 0) {
 571                                 data = g_variant_get_boolean(variant);
 572                                 DBG("%s [%s: %s]", path, key, data ? "True" : "False");
 573                                 if (TRUE == data) {
 574                                         ret = TRUE;
 575                                         g_free(path);
 576                                         g_free(key);
 577                                         g_variant_unref(variant);
 578                                         g_variant_iter_free(next);
 579                                         goto done;
 580                                 }
 581                         }
 582                 }
 583         }
 584
 585 done:
 586         g_variant_iter_free(iter);
 587         g_variant_unref(message);
 588
 589         return ret;
 590 }
 591
 592 static void __netconfig_update_if_service_connected(void)
 593 {
 594         GVariant *message = NULL, *var;
 595         GVariantIter *iter, *next;
 596         gchar *path;
 597         gchar *key;
 598
 599         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 600                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 601                         "GetServices", NULL);
 602
 603         if (message == NULL) {
 604                 ERR("Failed to get services");
 605                 return;
 606         }
 607
 608         g_variant_get(message, "(a(oa{sv}))", &iter);
 609         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 610                 if (path == NULL)
 611                         continue;
 612
 613                 if (g_str_has_prefix(path,
 614                                                 CONNMAN_WIFI_SERVICE_PROFILE_PREFIX) == TRUE) {
 615                         if (g_strrstr(path + strlen(CONNMAN_WIFI_SERVICE_PROFILE_PREFIX),
 616                                                         "hidden") != NULL) {
 617                                 /* skip hidden profiles */
 618                                 continue;
 619                         }
 620                         /* Process this */
 621                 } else if (g_str_has_prefix(path,
 622                                                 CONNMAN_CELLULAR_SERVICE_PROFILE_PREFIX) == TRUE) {
 623                         /* Process this */
 624                 } else {
 625                         continue;
 626                 }
 627
 628                 while (g_variant_iter_loop(next, "{sv}", &key, &var)) {
 629                         if (g_strcmp0(key, "State") == 0) {
 630                                 const gchar *sdata = NULL;
 631                                 sdata = g_variant_get_string(var, NULL);
 632                                 DBG("%s [%s: %s]", path, key, sdata);
 633
 634                                 if (g_strcmp0(sdata, "online") == 0 || g_strcmp0(sdata, "ready") == 0) {
 635
 636                                         /* Found a connected WiFi / 3G service.
 637                                          * Lets update the default profile info.
 638                                          */
 639                                         netconfig_update_default_profile((const gchar*)path);
 640                                         g_free(key);
 641                                         g_free(path);
 642                                         g_variant_unref(var);
 643                                         g_variant_iter_free(next);
 644                                         goto done;
 645                                 }
 646                         }
 647                 }
 648         }
 649 done:
 650         g_variant_iter_free(iter);
 651         g_variant_unref(message);
 652
 653         return;
 654 }
 655
 656 static void __netconfig_network_notify_result(const char *sig_name, const char *key)
 657 {
 658         GVariantBuilder *builder;
 659         GVariant *params;
 660
 661         INFO("[Signal] %s %s", sig_name, key);
 662
 663         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 664         g_variant_builder_add(builder, "{sv}", "key", g_variant_new_string(key));
 665
 666         params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 667         g_variant_builder_unref(builder);
 668
 669         netconfig_dbus_emit_signal(NULL,
 670                                 NETCONFIG_NETWORK_PATH,
 671                                 NETCONFIG_NETWORK_INTERFACE,
 672                                 sig_name,
 673                                 params);
 674
 675         return;
 676 }
 677
 678 const char *netconfig_get_default_profile(void)
 679 {
 680         return netconfig_default_connection_info.profile;
 681 }
 682
 683 const char *netconfig_get_default_ifname(void)
 684 {
 685         return netconfig_default_connection_info.ifname;
 686 }
 687
 688 const char *netconfig_get_default_ipaddress(void)
 689 {
 690         return netconfig_default_connection_info.ipaddress;
 691 }
 692
 693 const char *netconfig_get_default_ipaddress6(void)
 694 {
 695         return netconfig_default_connection_info.ipaddress6;
 696 }
 697
 698 const char *netconfig_get_default_proxy(void)
 699 {
 700         return netconfig_default_connection_info.proxy;
 701 }
 702
 703 unsigned int netconfig_get_default_frequency(void)
 704 {
 705         return netconfig_default_connection_info.freq;
 706 }
 707
 708 const char *netconfig_wifi_get_connected_essid(const char *default_profile)
 709 {
 710         if (default_profile == NULL)
 711                 return NULL;
 712
 713         if (netconfig_is_wifi_profile(default_profile) != TRUE)
 714                 return NULL;
 715
 716         if (g_strcmp0(default_profile, netconfig_default_connection_info.profile) != 0)
 717                 return NULL;
 718
 719         return netconfig_default_connection_info.essid;
 720 }
 721
 722 static int __netconfig_reset_ipv4_socket(void)
 723 {
 724         int ret;
 725         int fd;
 726         struct ifreq ifr;
 727         struct sockaddr_in sai;
 728         const char *ipaddr = netconfig_get_default_ipaddress();
 729         DBG("ipaddr-[%s]", ipaddr);
 730
 731         if (!ipaddr)
 732                 return -1;
 733
 734         fd = socket(AF_INET, SOCK_DGRAM, 0);
 735         if (fd < 0)
 736                 return -1;
 737
 738         memset(&sai, 0, sizeof(struct sockaddr_in));
 739         sai.sin_family = AF_INET;
 740         sai.sin_port = 0;
 741         if (!inet_aton(ipaddr, &sai.sin_addr)) {
 742                 DBG("fail to inet_aton()");
 743                 close(fd);
 744                 return -1;
 745         }
 746
 747         memset(&ifr, 0, sizeof(struct ifreq));
 748         memcpy(&ifr.ifr_addr, &sai, sizeof(sai));
 749         g_strlcpy((char *)ifr.ifr_name, WIFI_IFNAME, IFNAMSIZ);
 750
 751 #ifndef SIOCKILLADDR
 752 #define SIOCKILLADDR    0x8939
 753 #endif
 754
 755         ret = ioctl(fd, SIOCKILLADDR, &ifr);
 756         if (ret < 0) {
 757                 DBG("fail to ioctl[SIOCKILLADDR]");
 758                 close(fd);
 759                 return -1;
 760         }
 761
 762         close(fd);
 763         return 0;
 764 }
 765
 766 void netconfig_update_default_profile(const char *profile)
 767 {
 768         static char *old_profile = NULL;
 769
 770         /* It's automatically updated by signal-handler
 771          * DO NOT update manually
 772          *
 773          * It is going to update default connection information
 774          */
 775
 776         if (netconfig_default_connection_info.profile != NULL) {
 777
 778                 if (netconfig_is_wifi_profile(netconfig_default_connection_info.profile))
 779                         __netconfig_reset_ipv4_socket();
 780
 781                 g_free(old_profile);
 782                 old_profile = strdup(netconfig_default_connection_info.profile);
 783
 784                 g_free(netconfig_default_connection_info.profile);
 785                 netconfig_default_connection_info.profile = NULL;
 786
 787                 g_free(netconfig_default_connection_info.ifname);
 788                 netconfig_default_connection_info.ifname = NULL;
 789
 790                 g_free(netconfig_default_connection_info.ipaddress);
 791                 netconfig_default_connection_info.ipaddress = NULL;
 792
 793                 g_free(netconfig_default_connection_info.ipaddress6);
 794                 netconfig_default_connection_info.ipaddress6 = NULL;
 795
 796                 g_free(netconfig_default_connection_info.proxy);
 797                 netconfig_default_connection_info.proxy = NULL;
 798
 799                 netconfig_default_connection_info.freq = 0;
 800
 801                 if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED) {
 802                         g_free(netconfig_default_connection_info.essid);
 803                         netconfig_default_connection_info.essid = NULL;
 804                 }
 805         }
 806
 807         /* default profile is NULL and new connected profile is NULL */
 808         if (!profile) {
 809                 char *tmp_profile = __netconfig_get_default_profile();
 810
 811                 if (tmp_profile && netconfig_is_cellular_profile(tmp_profile) &&
 812                         !netconfig_is_cellular_internet_profile(tmp_profile)) {
 813                         DBG("not a default cellular profile");
 814                         g_free(tmp_profile);
 815                         tmp_profile = NULL;
 816                 }
 817
 818                 if (!tmp_profile) {
 819                         __netconfig_update_default_connection_info();
 820                         return;
 821                 }
 822
 823                 netconfig_default_connection_info.profile = g_strdup(tmp_profile);
 824                 __netconfig_get_default_connection_info(tmp_profile);
 825                 __netconfig_update_default_connection_info();
 826                 g_free(tmp_profile);
 827                 return;
 828         }
 829
 830         netconfig_default_connection_info.profile = g_strdup(profile);
 831         __netconfig_get_default_connection_info(profile);
 832         __netconfig_update_default_connection_info();
 833 }
 834
 835 void netconfig_update_default(void)
 836 {
 837         if (__netconfig_is_tech_state_connected() == TRUE)
 838                 __netconfig_update_if_service_connected();
 839         else
 840                 __netconfig_adjust_tcp_buffer_size();
 841 }
 842
 843 char *netconfig_get_ifname(const char *profile)
 844 {
 845         GVariant *message = NULL, *variant;
 846         GVariantIter *iter, *next, *service;
 847         gchar *obj_path;
 848         gchar *key;
 849         gchar *key1;
 850         const gchar *value = NULL;
 851         gchar *ifname = NULL;
 852         gboolean found_profile = 0;
 853
 854         if (profile == NULL)
 855                 return NULL;
 856
 857         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 858                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 859                         "GetServices", NULL);
 860         if (message == NULL) {
 861                 ERR("Failed to get services informations");
 862                 return NULL;
 863         }
 864
 865         g_variant_get(message, "(a(oa{sv}))", &service);
 866         while (g_variant_iter_loop(service, "(oa{sv})", &obj_path, &iter)) {
 867                 if (g_strcmp0(obj_path, profile) == 0) {
 868                         g_free(obj_path);
 869                         found_profile = 1;
 870                         break;
 871                 }
 872         }
 873
 874         if (found_profile == 0) {
 875                 ERR("Profile %s doesn't exist", profile);
 876                 g_variant_iter_free(service);
 877                 g_variant_unref(message);
 878                 return NULL;
 879         }
 880
 881         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 882                 if (g_strcmp0(key, "Ethernet") == 0) {
 883                         while (g_variant_iter_loop(next, "{sv}", &key1, &variant)) {
 884                                 if (g_strcmp0(key1, "Interface") == 0) {
 885                                         value = g_variant_get_string(variant, NULL);
 886                                         ifname = g_strdup(value);
 887                                         g_free(key1);
 888                                         g_variant_unref(variant);
 889                                         break;
 890                                 }
 891                         }
 892                 }
 893         }
 894
 895         g_variant_unref(message);
 896
 897         g_variant_iter_free(service);
 898         g_variant_iter_free(iter);
 899
 900         return ifname;
 901 }
 902
 903 /* Check Ethernet Cable Plug-in /Plug-out Status */
 904 void netconfig_network_notify_ethernet_cable_state(const char *key)
 905 {
 906         __netconfig_network_notify_result("EthernetCableState", key);
 907 }
 908
 909 static gboolean handle_add_route(
 910                 Network *object,
 911                 GDBusMethodInvocation *context,
 912                 gchar *ip_addr,
 913                 gchar *netmask,
 914                 gchar *interface,  gchar *gateway, gint address_family)
 915 {
 916         const gchar *path = ROUTE_EXEC_PATH;
 917         gchar *const args[] = { "/sbin/route", "add", "-net", ip_addr,
 918                 "netmask", netmask, "dev", interface, NULL };
 919         gchar *const envs[] = { NULL };
 920         const gchar* buf = NULL;
 921         gchar* ch = NULL;
 922         int prefix_len = 0;
 923         int pos = 0;
 924
 925         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 926
 927         switch (address_family) {
 928         case AF_INET:
 929                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 930                         ERR("Invalid parameter");
 931                         netconfig_error_invalid_parameter(context);
 932                         return FALSE;
 933                 }
 934
 935                 if (netconfig_execute_file(path, args, envs) < 0) {
 936                         DBG("Failed to add a new route");
 937                         netconfig_error_permission_denied(context);
 938                         return FALSE;
 939                 }
 940
 941                 break;
 942         case AF_INET6:
 943                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 944                         ERR("Invalid parameter");
 945                         netconfig_error_invalid_parameter(context);
 946                         return FALSE;
 947                 }
 948
 949                 buf = ip_addr;
 950                 ch = strchr(buf, '/');
 951                 pos = ch - buf + 1;
 952                 if (ch) {
 953                         prefix_len = atoi(ch + 1);
 954                         ip_addr[pos-1] = '\0';
 955                 } else {
 956                         prefix_len = 128;
 957                 }
 958
 959                 if (netconfig_add_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
 960                         DBG("Failed to add a new route");
 961                         netconfig_error_permission_denied(context);
 962                         return FALSE;
 963                 }
 964                 break;
 965         default:
 966                 DBG("Unknown Address Family");
 967                 netconfig_error_invalid_parameter(context);
 968                 return FALSE;
 969         }
 970
 971         DBG("Successfully added a new route");
 972         network_complete_add_route(object, context, TRUE);
 973         return TRUE;
 974 }
 975
 976 static gboolean handle_remove_route(
 977                 Network *object,
 978                 GDBusMethodInvocation *context,
 979                 gchar *ip_addr,
 980                 gchar *netmask,
 981                 gchar *interface, gchar *gateway, gint address_family)
 982 {
 983         const char *path = ROUTE_EXEC_PATH;
 984         gchar *const args[] = { "/sbin/route", "del", "-net", ip_addr,
 985                 "netmask", netmask, "dev", interface, NULL };
 986         char *const envs[] = { NULL };
 987         const char* buf = NULL;
 988         char* ch = NULL;
 989         int prefix_len = 0;
 990         int pos = 0;
 991
 992         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 993
 994         switch (address_family) {
 995         case AF_INET:
 996                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 997                         DBG("Invalid parameter!");
 998                         netconfig_error_invalid_parameter(context);
 999                         return FALSE;
1000                 }
1001                 if (netconfig_execute_file(path, args, envs) < 0) {
1002                         DBG("Failed to remove the route");
1003                         netconfig_error_permission_denied(context);
1004                         return FALSE;
1005                 }
1006                 break;
1007         case AF_INET6:
1008                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
1009                         DBG("Invalid parameter!");
1010                         netconfig_error_invalid_parameter(context);
1011                         return FALSE;
1012                 }
1013
1014                 buf = ip_addr;
1015                 ch = strchr(buf, '/');
1016                 pos = ch - buf + 1;
1017                 if (ch) {
1018                         prefix_len = atoi(ch + 1);
1019                         ip_addr[pos-1] = '\0';
1020                 } else {
1021                         prefix_len = 128;
1022                 }
1023
1024                 if (netconfig_del_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
1025                         DBG("Failed to remove the route");
1026                         netconfig_error_permission_denied(context);
1027                         return FALSE;
1028                 }
1029                 break;
1030         default:
1031                 DBG("Unknown Address Family");
1032                 netconfig_error_invalid_parameter(context);
1033                 return FALSE;
1034         }
1035
1036         DBG("Successfully removed the route");
1037         network_complete_remove_route(object, context, TRUE);
1038         return TRUE;
1039 }
1040
1041 static gboolean handle_check_get_privilege(Network *object,
1042                 GDBusMethodInvocation *context)
1043 {
1044         network_complete_check_get_privilege(object, context);
1045         return TRUE;
1046 }
1047
1048
1049 static gboolean handle_check_profile_privilege(Network *object,
1050                 GDBusMethodInvocation *context)
1051 {
1052         network_complete_check_profile_privilege(object, context);
1053         return TRUE;
1054 }
1055
1056 static gboolean handle_check_internet_privilege(Network *object,
1057                 GDBusMethodInvocation *context)
1058 {
1059         network_complete_check_internet_privilege(object, context);
1060         return TRUE;
1061 }
1062
1063 gboolean handle_ethernet_cable_state(Network *object,
1064         GDBusMethodInvocation *context)
1065 {
1066         int ret = 0;
1067         int state = 0;
1068
1069         ret = netconfig_get_ethernet_cable_state(&state);
1070         if (ret != 0) {
1071                 DBG("Failed to get ethernet cable state");
1072                 netconfig_error_fail_ethernet_cable_state(context);
1073                 return FALSE;
1074         }
1075
1076         DBG("Successfully get ethernet cable state[%d]", state);
1077         network_complete_ethernet_cable_state(object, context, state);
1078         return TRUE;
1079 }
1080
1081 void state_object_create_and_init(void)
1082 {
1083         DBG("Creating network state object");
1084         GDBusInterfaceSkeleton *interface_network = NULL;
1085         GDBusConnection *connection = NULL;
1086         GDBusObjectManagerServer *server = netdbus_get_state_manager();
1087         if (server == NULL)
1088                 return;
1089
1090         connection = netdbus_get_connection();
1091         g_dbus_object_manager_server_set_connection(server, connection);
1092
1093         /*Interface netconfig.network*/
1094         netconfigstate = network_skeleton_new();
1095
1096         interface_network = G_DBUS_INTERFACE_SKELETON(netconfigstate);
1097         g_signal_connect(netconfigstate, "handle-add-route",
1098                                 G_CALLBACK(handle_add_route), NULL);
1099         g_signal_connect(netconfigstate, "handle-check-get-privilege",
1100                                 G_CALLBACK(handle_check_get_privilege), NULL);
1101         g_signal_connect(netconfigstate, "handle-check-profile-privilege",
1102                                 G_CALLBACK(handle_check_profile_privilege), NULL);
1103         g_signal_connect(netconfigstate, "handle-check-internet-privilege",
1104                                 G_CALLBACK(handle_check_internet_privilege), NULL);
1105         g_signal_connect(netconfigstate, "handle-ethernet-cable-state",
1106                                 G_CALLBACK(handle_ethernet_cable_state), NULL);
1107         g_signal_connect(netconfigstate, "handle-remove-route",
1108                                 G_CALLBACK(handle_remove_route), NULL);
1109         g_signal_connect(netconfigstate, "handle-launch-mdns",
1110                                 G_CALLBACK(handle_launch_mdns), NULL);
1111         g_signal_connect(netconfigstate, "handle-device-policy-set-wifi",
1112                                 G_CALLBACK(handle_device_policy_set_wifi), NULL);
1113         g_signal_connect(netconfigstate, "handle-device-policy-get-wifi",
1114                                 G_CALLBACK(handle_device_policy_get_wifi), NULL);
1115         g_signal_connect(netconfigstate, "handle-device-policy-set-wifi-profile",
1116                                 G_CALLBACK(handle_device_policy_set_wifi_profile), NULL);
1117         g_signal_connect(netconfigstate, "handle-device-policy-get-wifi-profile",
1118                                 G_CALLBACK(handle_device_policy_get_wifi_profile), NULL);
1119
1120         if (!g_dbus_interface_skeleton_export(interface_network, connection,
1121                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1122                 ERR("Export with path failed");
1123         }
1124 }
1125
1126 void state_object_deinit(void)
1127 {
1128         g_object_unref(netconfigstate);
1129 }