src/network-state.c

   1 /*
   2  * Network Configuration Module
   3  *
   4  * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <vconf.h>
  21 #include <vconf-keys.h>
  22 #include <fcntl.h>
  23 #include <unistd.h>
  24 #include <stdlib.h>
  25 #include <net/if.h>
  26 #include <arpa/inet.h>
  27 #include <netinet/in.h>
  28 #include <sys/ioctl.h>
  29 #include <ITapiSim.h>
  30 #include <TapiUtility.h>
  31 #include <bundle.h>
  32 #include <bundle_internal.h>
  33 #include <eventsystem.h>
  34
  35 #include "log.h"
  36 #include "util.h"
  37 #include "netdbus.h"
  38 #include "neterror.h"
  39 #include "emulator.h"
  40 #include "wifi-state.h"
  41 #include "wifi-power.h"
  42 #include "network-state.h"
  43 #include "network-monitor.h"
  44 #include "netsupplicant.h"
  45 #include "wifi-tel-intf.h"
  46 #include "clatd-handler.h"
  47
  48 #include "generated-code.h"
  49 /* Define TCP buffer sizes for various networks */
  50 /* ReadMin, ReadInitial, ReadMax */ /* WriteMin, WriteInitial, WriteMax */
  51 #define NET_TCP_BUFFERSIZE_DEFAULT_READ         "4096 87380 704512"
  52 #define NET_TCP_BUFFERSIZE_DEFAULT_WRITE        "4096 16384 110208"
  53 #define NET_TCP_BUFFERSIZE_WIFI_READ            "524288 1048576 2560000"
  54 #define NET_TCP_BUFFERSIZE_WIFI_WRITE           "524288 1048576 2560000"
  55 #define NET_TCP_BUFFERSIZE_LTE_READ             "524288 1048576 2560000"
  56 #define NET_TCP_BUFFERSIZE_LTE_WRITE            "524288 1048576 2560000"
  57 #define NET_TCP_BUFFERSIZE_UMTS_READ            "4094 87380 704512"
  58 #define NET_TCP_BUFFERSIZE_UMTS_WRITE           "4096 16384 110208"
  59 #define NET_TCP_BUFFERSIZE_HSPA_READ            "4092 87380 704512"
  60 #define NET_TCP_BUFFERSIZE_HSPA_WRITE           "4096 16384 262144"
  61 #define NET_TCP_BUFFERSIZE_HSDPA_READ           "4092 87380 704512"
  62 #define NET_TCP_BUFFERSIZE_HSDPA_WRITE          "4096 16384 262144"
  63 #define NET_TCP_BUFFERSIZE_HSUPA_READ           "4092 87380 704512"
  64 #define NET_TCP_BUFFERSIZE_HSUPA_WRITE          "4096 16384 262144"
  65 #define NET_TCP_BUFFERSIZE_HSPAP_READ           "4092 87380 1220608"
  66 #define NET_TCP_BUFFERSIZE_HSPAP_WRITE          "4096 16384 1220608"
  67 #define NET_TCP_BUFFERSIZE_EDGE_READ            "4093 26280 35040"
  68 #define NET_TCP_BUFFERSIZE_EDGE_WRITE           "4096 16384 35040"
  69 #define NET_TCP_BUFFERSIZE_GPRS_READ            "4096 30000 30000"
  70 #define NET_TCP_BUFFERSIZE_GPRS_WRITE           "4096 8760 11680"
  71
  72 #define NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX        "1048576"
  73 #define NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX        "2097152"
  74 #define NET_TCP_BUFFERSIZE_LTE_RMEM_MAX         "5242880"
  75
  76 #define NET_TCP_BUFFERSIZE_WIFID_WMEM_MAX       "2097152"
  77
  78 #define NET_PROC_SYS_NET_IPV4_TCP_RMEM          "/proc/sys/net/ipv4/tcp_rmem"
  79 #define NET_PROC_SYS_NET_IPv4_TCP_WMEM          "/proc/sys/net/ipv4/tcp_wmem"
  80 #define NET_PROC_SYS_NET_CORE_RMEM_MAX          "/proc/sys/net/core/rmem_max"
  81 #define NET_PROC_SYS_NET_CORE_WMEM_MAX          "/proc/sys/net/core/wmem_max"
  82
  83 #define ROUTE_EXEC_PATH                                         "/sbin/route"
  84
  85 static Network *netconfigstate = NULL;
  86
  87 struct netconfig_default_connection {
  88         char *profile;
  89         char *ifname;
  90         char *ipaddress;
  91         char *ipaddress6;
  92         char *proxy;
  93         char *essid;
  94         unsigned int freq;
  95 };
  96
  97 static struct netconfig_default_connection
  98                                 netconfig_default_connection_info = { NULL, };
  99
 100 gboolean netconfig_iface_network_state_ethernet_cable_state(gint32 *state);
 101
 102 static gboolean __netconfig_is_connected(GVariantIter *array)
 103 {
 104         gboolean is_connected = FALSE;
 105         GVariant *variant = NULL;
 106         gchar *key = NULL;
 107         const gchar *value = NULL;
 108
 109         while (g_variant_iter_loop(array, "{sv}", &key, &variant)) {
 110                 if (g_strcmp0(key, "State") != 0)
 111                         continue;
 112
 113                 if (g_variant_is_of_type(variant, G_VARIANT_TYPE_STRING)) {
 114                         value = g_variant_get_string(variant, NULL);
 115                         if (g_strcmp0(value, "ready") == 0 || g_strcmp0(value, "online") == 0)
 116                                 is_connected = TRUE;
 117                 }
 118
 119                 g_free(key);
 120                 g_variant_unref(variant);
 121                 break;
 122         }
 123
 124         return is_connected;
 125 }
 126
 127 static char *__netconfig_get_default_profile(void)
 128 {
 129         GVariant *message = NULL;
 130         GVariantIter *iter;
 131         GVariantIter *next;
 132         gchar *default_profile = NULL;
 133         gchar *object_path;
 134
 135         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 136                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 137                         "GetServices", NULL);
 138         if (message == NULL) {
 139                 ERR("Failed to get profiles");
 140                 return NULL;
 141         }
 142
 143         g_variant_get(message, "(a(oa{sv}))", &iter);
 144         while (g_variant_iter_loop(iter, "(oa{sv})", &object_path, &next)) {
 145                 if (object_path == NULL)
 146                         continue;
 147
 148                 if (netconfig_is_cellular_profile(object_path) && !netconfig_is_cellular_internet_profile(object_path))
 149                         continue;
 150
 151                 if (__netconfig_is_connected(next) == TRUE) {
 152                         default_profile = g_strdup(object_path);
 153                         g_free(object_path);
 154                         g_variant_iter_free(next);
 155                         break;
 156                 }
 157         }
 158         g_variant_iter_free(iter);
 159         g_variant_unref(message);
 160
 161         return default_profile;
 162 }
 163
 164 static void __netconfig_get_default_connection_info(const char *profile)
 165 {
 166         GVariant *message = NULL, *variant = NULL, *variant2 = NULL;
 167         GVariantIter *iter = NULL, *iter1 = NULL;
 168         GVariant *next = NULL;
 169         gchar *key = NULL;
 170         gchar *key1 = NULL;
 171         gchar *key2 = NULL;
 172
 173         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE, profile,
 174                         CONNMAN_SERVICE_INTERFACE, "GetProperties", NULL);
 175         if (message == NULL) {
 176                 ERR("Failed to get service properties");
 177                 goto done;
 178         }
 179
 180         g_variant_get(message, "(a{sv})", &iter);
 181         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 182                 const gchar *value = NULL;
 183                 guint16 freq = 0;
 184                 if (g_strcmp0(key, "Name") == 0 &&
 185                                 netconfig_is_wifi_profile(profile) == TRUE) {
 186                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_STRING)) {
 187                                 value = g_variant_get_string(next, NULL);
 188
 189                                 netconfig_default_connection_info.essid = g_strdup(value);
 190                         }
 191                 } else if (g_strcmp0(key, "Ethernet") == 0) {
 192                         g_variant_get(next, "a{sv}", &iter1);
 193                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 194                                 if (g_strcmp0(key1, "Interface") == 0) {
 195                                         value = g_variant_get_string(variant, NULL);
 196                                         netconfig_default_connection_info.ifname = g_strdup(value);
 197                                 }
 198                         }
 199                 } else if (g_strcmp0(key, "IPv4") == 0) {
 200                         g_variant_get(next, "a{sv}", &iter1);
 201                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 202                                 if (g_strcmp0(key1, "Address") == 0) {
 203                                         value = g_variant_get_string(variant, NULL);
 204                                         netconfig_default_connection_info.ipaddress = g_strdup(value);
 205                                 }
 206                         }
 207                 } else if (g_strcmp0(key, "IPv6") == 0) {
 208                         g_variant_get(next, "a{sv}", &iter1);
 209                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 210                                 if (g_strcmp0(key1, "Address") == 0) {
 211                                         value = g_variant_get_string(variant, NULL);
 212                                         netconfig_default_connection_info.ipaddress6 = g_strdup(value);
 213                                 }
 214                         }
 215                 } else if (g_strcmp0(key, "Proxy") == 0) {
 216                         g_variant_get(next, "a{sv}", &iter1);
 217                         while (g_variant_iter_loop(iter1, "{sv}", &key2, &variant2)) {
 218                                 GVariantIter *iter_sub = NULL;
 219
 220                                 if (g_strcmp0(key2, "Servers") == 0) {
 221                                         if (!g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING_ARRAY)) {
 222                                                 g_free(key2);
 223                                                 g_variant_unref(variant2);
 224                                                 break;
 225                                         }
 226
 227                                         g_variant_get(variant2, "as", &iter_sub);
 228                                         g_variant_iter_loop(iter_sub, "s", &value);
 229                                         g_variant_iter_free(iter_sub);
 230                                         if (value != NULL && (strlen(value) > 0))
 231                                                 netconfig_default_connection_info.proxy = g_strdup(value);
 232                                 } else if (g_strcmp0(key2, "Method") == 0) {
 233                                         if (g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING)) {
 234                                                 g_free(key2);
 235                                                 g_variant_unref(variant2);
 236                                                 break;
 237                                         }
 238
 239                                         value = g_variant_get_string(variant2, NULL);
 240                                         if (g_strcmp0(value, "direct") == 0) {
 241                                                 g_free(netconfig_default_connection_info.proxy);
 242                                                 netconfig_default_connection_info.proxy = NULL;
 243
 244                                                 g_free(key2);
 245                                                 g_variant_unref(variant2);
 246                                                 break;
 247                                         }
 248                                 }
 249                         }
 250                 } else if (g_strcmp0(key, "Frequency") == 0) {
 251                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_UINT16)) {
 252                                 freq = g_variant_get_uint16(next);
 253                                 netconfig_default_connection_info.freq = freq;
 254                         }
 255                 }
 256         }
 257
 258 done:
 259         if (message)
 260                 g_variant_unref(message);
 261
 262         if (iter)
 263                 g_variant_iter_free(iter);
 264
 265         if (iter1)
 266                 g_variant_iter_free(iter1);
 267
 268         return;
 269 }
 270
 271 static void __netconfig_adjust_tcp_buffer_size(void)
 272 {
 273         int fdr = 0, fdw = 0;
 274         int fdrmax = 0, fdwmax = 0;
 275         const char *rbuf_size = NULL;
 276         const char *wbuf_size = NULL;
 277         const char *rmax_size = NULL;
 278         const char *wmax_size = NULL;
 279         const char *profile = netconfig_get_default_profile();
 280
 281         if (profile == NULL) {
 282                 DBG("There is no default connection");
 283
 284                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 285                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 286         } else if (netconfig_is_wifi_profile(profile) == TRUE) {
 287                 DBG("Default connection: Wi-Fi");
 288
 289                 rbuf_size = NET_TCP_BUFFERSIZE_WIFI_READ;
 290                 wbuf_size = NET_TCP_BUFFERSIZE_WIFI_WRITE;
 291                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 292                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 293         } else if (netconfig_is_cellular_profile(profile) == TRUE) {
 294                 TapiHandle *tapi_handle = NULL;
 295                 int telephony_svctype = 0, telephony_pstype = 0;
 296
 297                 tapi_handle = (TapiHandle *)netconfig_tel_init();
 298                 if (NULL != tapi_handle) {
 299                         tel_get_property_int(tapi_handle,
 300                                         TAPI_PROP_NETWORK_SERVICE_TYPE,
 301                                         &telephony_svctype);
 302                         tel_get_property_int(tapi_handle, TAPI_PROP_NETWORK_PS_TYPE,
 303                                         &telephony_pstype);
 304                         netconfig_tel_deinit();
 305                 }
 306
 307                 DBG("Default cellular %d, %d", telephony_svctype, telephony_pstype);
 308
 309                 switch (telephony_pstype) {
 310                 case VCONFKEY_TELEPHONY_PSTYPE_HSPA:
 311                         rbuf_size = NET_TCP_BUFFERSIZE_HSPA_READ;
 312                         wbuf_size = NET_TCP_BUFFERSIZE_HSPA_WRITE;
 313                         break;
 314                 case VCONFKEY_TELEPHONY_PSTYPE_HSUPA:
 315                         rbuf_size = NET_TCP_BUFFERSIZE_HSUPA_READ;
 316                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 317                         break;
 318                 case VCONFKEY_TELEPHONY_PSTYPE_HSDPA:
 319                         rbuf_size = NET_TCP_BUFFERSIZE_HSDPA_READ;
 320                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 321                         break;
 322 #if !defined TIZEN_WEARABLE
 323                 case VCONFKEY_TELEPHONY_PSTYPE_HSPAP:
 324                         rbuf_size = NET_TCP_BUFFERSIZE_HSPAP_READ;
 325                         wbuf_size = NET_TCP_BUFFERSIZE_HSPAP_WRITE;
 326                         break;
 327 #endif
 328                 default:
 329                         switch (telephony_svctype) {
 330                         case VCONFKEY_TELEPHONY_SVCTYPE_LTE:
 331                                 rbuf_size = NET_TCP_BUFFERSIZE_LTE_READ;
 332                                 wbuf_size = NET_TCP_BUFFERSIZE_LTE_WRITE;
 333                                 rmax_size = NET_TCP_BUFFERSIZE_LTE_RMEM_MAX;
 334                                 break;
 335                         case VCONFKEY_TELEPHONY_SVCTYPE_3G:
 336                                 rbuf_size = NET_TCP_BUFFERSIZE_UMTS_READ;
 337                                 wbuf_size = NET_TCP_BUFFERSIZE_UMTS_WRITE;
 338                                 break;
 339                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G_EDGE:
 340                                 rbuf_size = NET_TCP_BUFFERSIZE_EDGE_READ;
 341                                 wbuf_size = NET_TCP_BUFFERSIZE_EDGE_WRITE;
 342                                 break;
 343                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G:
 344                                 rbuf_size = NET_TCP_BUFFERSIZE_GPRS_READ;
 345                                 wbuf_size = NET_TCP_BUFFERSIZE_GPRS_WRITE;
 346                                 break;
 347                         default:
 348                                 /* TODO: Check LTE support */
 349                                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 350                                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 351                                 break;
 352                         }
 353                         break;
 354                 }
 355         } else {
 356                 DBG("Default TCP buffer configured");
 357
 358                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 359                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 360         }
 361
 362         if (rbuf_size != NULL) {
 363                 fdr = open(NET_PROC_SYS_NET_IPV4_TCP_RMEM, O_RDWR | O_CLOEXEC);
 364
 365                 if (fdr < 0 || write(fdr, rbuf_size, strlen(rbuf_size)) < 0)
 366                         ERR("Failed to set TCP read buffer size");
 367
 368                 if (fdr >= 0)
 369                         close(fdr);
 370         }
 371
 372         if (wbuf_size != NULL) {
 373                 fdw = open(NET_PROC_SYS_NET_IPv4_TCP_WMEM, O_RDWR | O_CLOEXEC);
 374
 375                 if (fdw < 0 || write(fdw, wbuf_size, strlen(wbuf_size)) < 0)
 376                         ERR("Failed to set TCP write buffer size");
 377
 378                 if (fdw >= 0)
 379                         close(fdw);
 380         }
 381
 382         /* As default */
 383         if (rmax_size == NULL)
 384                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 385         if (wmax_size == NULL)
 386                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 387
 388         if (rmax_size != NULL) {
 389                 fdrmax = open(NET_PROC_SYS_NET_CORE_RMEM_MAX, O_RDWR | O_CLOEXEC);
 390
 391                 if (fdrmax < 0 || write(fdrmax, rmax_size, strlen(rmax_size)) < 0)
 392                         ERR("Failed to set TCP rmem_max size");
 393
 394                 if (fdrmax >= 0)
 395                         close(fdrmax);
 396         }
 397
 398         if (wmax_size != NULL) {
 399                 fdwmax = open(NET_PROC_SYS_NET_CORE_WMEM_MAX, O_RDWR | O_CLOEXEC);
 400
 401                 if (fdwmax < 0 || write(fdwmax, wmax_size, strlen(wmax_size)) < 0)
 402                         ERR("Failed to set TCP wmem_max size");
 403
 404                 if (fdwmax >= 0)
 405                         close(fdwmax);
 406         }
 407 }
 408
 409 static void __netconfig_update_default_connection_info(void)
 410 {
 411         int old_network_status = 0;
 412         const char *profile = netconfig_get_default_profile();
 413         const char *ip_addr = netconfig_get_default_ipaddress();
 414         const char *ip_addr6 = netconfig_get_default_ipaddress6();
 415         const char *proxy_addr = netconfig_get_default_proxy();
 416         unsigned int freq = netconfig_get_default_frequency();
 417
 418         if (emulator_is_emulated() == TRUE)
 419                 return;
 420
 421         if (profile == NULL)
 422                 DBG("Reset network state configuration");
 423         else
 424                 DBG("%s: ip(%s) proxy(%s)", profile, ip_addr, proxy_addr);
 425
 426         vconf_get_int(VCONFKEY_NETWORK_STATUS, &old_network_status);
 427
 428         if (profile == NULL && old_network_status != VCONFKEY_NETWORK_OFF) {
 429                 netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 430
 431                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 432                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 433
 434                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 0);
 435                 netconfig_set_vconf_int("memory/private/wifi/frequency", 0);
 436
 437                 DBG("Successfully clear IP and PROXY up");
 438
 439                 /* Disable clatd if it is in running state */
 440                 netconfig_clatd_disable();
 441         } else if (profile != NULL) {
 442                 char *old_ip = vconf_get_str(VCONFKEY_NETWORK_IP);
 443                 char *old_proxy = vconf_get_str(VCONFKEY_NETWORK_PROXY);
 444
 445                 if (netconfig_is_wifi_profile(profile) == TRUE) {
 446                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_WIFI);
 447                         netconfig_set_vconf_int("memory/private/wifi/frequency", freq);
 448
 449                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 450                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_WIFI);
 451                 } else if (netconfig_is_cellular_profile(profile)) {
 452
 453                         if (!netconfig_is_cellular_internet_profile(profile)) {
 454                                 DBG("connection is not a internet profile - stop to update the cellular state");
 455                                 return;
 456                         }
 457
 458                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_CELLULAR);
 459
 460                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 461                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_CELLULAR);
 462
 463                         /* Enable clatd if IPv6 is set and no IPv4 address */
 464                         if (!ip_addr && ip_addr6)
 465                                 netconfig_clatd_enable();
 466                 } else if (netconfig_is_ethernet_profile(profile) == TRUE) {
 467                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_ETHERNET);
 468                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 469                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_ETHERNET);
 470                 } else if (netconfig_is_bluetooth_profile(profile) == TRUE) {
 471                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_BLUETOOTH);
 472                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 473                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_BT);
 474                 } else{
 475                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 476                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 477                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_DISCONNECTED);
 478                 }
 479
 480                 if (g_strcmp0(old_ip, ip_addr) != 0 || old_ip == NULL) {
 481                         if (ip_addr != NULL)
 482                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr);
 483                         else if (ip_addr6 != NULL)
 484                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr6);
 485                         else
 486                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 487                 }
 488                 g_free(old_ip);
 489
 490                 if (g_strcmp0(old_proxy, proxy_addr) != 0) {
 491                         if (proxy_addr == NULL)
 492                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 493                         else
 494                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, proxy_addr);
 495                 }
 496                 g_free(old_proxy);
 497
 498                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 1);
 499
 500                 DBG("Successfully update default network configuration");
 501
 502                 /* Disable clatd if it is in running state */
 503                 if (netconfig_is_cellular_profile(profile) != TRUE)
 504                         netconfig_clatd_disable();
 505         }
 506
 507         __netconfig_adjust_tcp_buffer_size();
 508 }
 509
 510 static gboolean __netconfig_is_tech_state_connected(void)
 511 {
 512         gboolean ret = FALSE;
 513         GVariant *message = NULL, *variant;
 514         GVariantIter *iter, *next;
 515         gchar *path;
 516         gchar *key;
 517
 518         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 519                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 520                         "GetTechnologies", NULL);
 521
 522         if (message == NULL) {
 523                 DBG("Fail to get technology state");
 524                 return FALSE;
 525         }
 526
 527         g_variant_get(message, "(a(oa{sv}))", &iter);
 528         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 529                 if (path == NULL)
 530                         continue;
 531
 532                 while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
 533                         gboolean data;
 534                         if (g_strcmp0(key, "Connected") == 0) {
 535                                 data = g_variant_get_boolean(variant);
 536                                 DBG("%s [%s: %s]", path, key, data ? "True" : "False");
 537                                 if (TRUE == data) {
 538                                         ret = TRUE;
 539                                         g_free(path);
 540                                         g_free(key);
 541                                         g_variant_unref(variant);
 542                                         g_variant_iter_free(next);
 543                                         goto done;
 544                                 }
 545                         }
 546                 }
 547         }
 548
 549 done:
 550         g_variant_iter_free(iter);
 551         g_variant_unref(message);
 552
 553         return ret;
 554 }
 555
 556 static void __netconfig_update_if_service_connected(void)
 557 {
 558         GVariant *message = NULL, *var;
 559         GVariantIter *iter, *next;
 560         gchar *path;
 561         gchar *key;
 562
 563         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 564                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 565                         "GetServices", NULL);
 566
 567         if (message == NULL) {
 568                 ERR("Failed to get services");
 569                 return;
 570         }
 571
 572         g_variant_get(message, "(a(oa{sv}))", &iter);
 573         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 574                 if (path == NULL)
 575                         continue;
 576
 577                 if (g_str_has_prefix(path,
 578                                                 CONNMAN_WIFI_SERVICE_PROFILE_PREFIX) == TRUE) {
 579                         if (g_strrstr(path + strlen(CONNMAN_WIFI_SERVICE_PROFILE_PREFIX),
 580                                                         "hidden") != NULL) {
 581                                 /* skip hidden profiles */
 582                                 continue;
 583                         }
 584                         /* Process this */
 585                 } else if (g_str_has_prefix(path,
 586                                                 CONNMAN_CELLULAR_SERVICE_PROFILE_PREFIX) == TRUE) {
 587                         /* Process this */
 588                 } else {
 589                         continue;
 590                 }
 591
 592                 while (g_variant_iter_loop(next, "{sv}", &key, &var)) {
 593                         if (g_strcmp0(key, "State") == 0) {
 594                                 const gchar *sdata = NULL;
 595                                 sdata = g_variant_get_string(var, NULL);
 596                                 DBG("%s [%s: %s]", path, key, sdata);
 597
 598                                 if (g_strcmp0(sdata, "online") == 0 || g_strcmp0(sdata, "ready") == 0) {
 599
 600                                         /* Found a connected WiFi / 3G service.
 601                                          * Lets update the default profile info.
 602                                          */
 603                                         netconfig_update_default_profile((const gchar*)path);
 604                                         g_free(key);
 605                                         g_free(path);
 606                                         g_variant_unref(var);
 607                                         g_variant_iter_free(next);
 608                                         goto done;
 609                                 }
 610                         }
 611                 }
 612         }
 613 done:
 614         g_variant_iter_free(iter);
 615         g_variant_unref(message);
 616
 617         return;
 618 }
 619
 620 static void __netconfig_network_notify_result(const char *sig_name, const char *key)
 621 {
 622         gboolean reply;
 623         GVariant *params;
 624         GVariantBuilder *builder = NULL;
 625         GDBusConnection *connection = NULL;
 626         GError *error = NULL;
 627         const char *prop_key = "key";
 628
 629         INFO("[Signal] %s %s", sig_name, key);
 630
 631         connection = netdbus_get_connection();
 632         if (connection == NULL) {
 633                 ERR("Failed to get GDBus Connection");
 634                 return;
 635         }
 636
 637         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 638         g_variant_builder_add(builder, "{sv}", prop_key, g_variant_new_string(key));
 639         params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 640
 641         g_variant_builder_unref(builder);
 642
 643         reply = g_dbus_connection_emit_signal(connection,
 644                         NULL,
 645                         NETCONFIG_NETWORK_PATH,
 646                         NETCONFIG_NETWORK_INTERFACE,
 647                         sig_name,
 648                         params,
 649                         &error);
 650
 651         if (reply != TRUE) {
 652                 if (error != NULL) {
 653                         ERR("Failed to send signal [%s]", error->message);
 654                         g_error_free(error);
 655                 }
 656                 return;
 657         }
 658
 659         INFO("Sent signal (%s), key (%s)", sig_name, key);
 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;
 826         gchar *key;
 827         gchar *key1;
 828         const gchar *value = NULL;
 829         gchar *ifname = NULL;
 830
 831         if (profile == NULL)
 832                 return NULL;
 833
 834         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE, profile,
 835                         CONNMAN_SERVICE_INTERFACE, "GetProperties", NULL);
 836         if (message == NULL) {
 837                 ERR("Failed to get service properties");
 838                 return NULL;
 839         }
 840
 841         g_variant_get(message, "(a{sv})", &iter);
 842         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 843                 if (g_strcmp0(key, "Ethernet") == 0) {
 844                         while (g_variant_iter_loop(next, "{sv}", &key1, &variant)) {
 845                                 if (g_strcmp0(key1, "Interface") == 0) {
 846                                         value = g_variant_get_string(variant, NULL);
 847                                         ifname = g_strdup(value);
 848                                 }
 849                         }
 850                 }
 851         }
 852
 853         g_variant_unref(message);
 854
 855         g_variant_iter_free(iter);
 856
 857         return ifname;
 858 }
 859
 860 /* Check Ethernet Cable Plug-in /Plug-out Status */
 861 void netconfig_network_notify_ethernet_cable_state(const char *key)
 862 {
 863         __netconfig_network_notify_result("EthernetCableState", key);
 864 }
 865
 866 static gboolean handle_add_route(
 867                 Network *object,
 868                 GDBusMethodInvocation *context,
 869                 gchar *ip_addr,
 870                 gchar *netmask,
 871                 gchar *interface,  gchar *gateway, gint address_family)
 872 {
 873         const gchar *path = ROUTE_EXEC_PATH;
 874         gchar *const args[] = { "/sbin/route", "add", "-net", ip_addr,
 875                 "netmask", netmask, "dev", interface, NULL };
 876         gchar *const envs[] = { NULL };
 877         const gchar* buf = NULL;
 878         gchar* ch = NULL;
 879         int prefix_len = 0;
 880         int pos = 0;
 881
 882         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 883
 884         switch (address_family) {
 885         case AF_INET:
 886                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 887                         ERR("Invalid parameter");
 888                         netconfig_error_invalid_parameter(context);
 889                         return FALSE;
 890                 }
 891
 892                 if (netconfig_execute_file(path, args, envs) < 0) {
 893                         DBG("Failed to add a new route");
 894                         netconfig_error_permission_denied(context);
 895                         return FALSE;
 896                 }
 897
 898                 break;
 899         case AF_INET6:
 900                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 901                         ERR("Invalid parameter");
 902                         netconfig_error_invalid_parameter(context);
 903                         return FALSE;
 904                 }
 905
 906                 buf = ip_addr;
 907                 ch = strchr(buf, '/');
 908                 pos = ch - buf + 1;
 909                 if (ch) {
 910                         prefix_len = atoi(ch + 1);
 911                         ip_addr[pos-1] = '\0';
 912                 } else {
 913                         prefix_len = 128;
 914                 }
 915
 916                 if (netconfig_add_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
 917                         DBG("Failed to add a new route");
 918                         netconfig_error_permission_denied(context);
 919                         return FALSE;
 920                 }
 921                 break;
 922         default:
 923                 DBG("Unknown Address Family");
 924                 netconfig_error_invalid_parameter(context);
 925                 return FALSE;
 926         }
 927
 928         DBG("Successfully added a new route");
 929         network_complete_add_route(object, context, TRUE);
 930         return TRUE;
 931 }
 932
 933 static gboolean handle_remove_route(
 934                 Network *object,
 935                 GDBusMethodInvocation *context,
 936                 gchar *ip_addr,
 937                 gchar *netmask,
 938                 gchar *interface, gchar *gateway, gint address_family)
 939 {
 940         const char *path = ROUTE_EXEC_PATH;
 941         gchar *const args[] = { "/sbin/route", "del", "-net", ip_addr,
 942                 "netmask", netmask, "dev", interface, NULL };
 943         char *const envs[] = { NULL };
 944         const char* buf = NULL;
 945         char* ch = NULL;
 946         int prefix_len = 0;
 947         int pos = 0;
 948
 949         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 950
 951         switch (address_family) {
 952         case AF_INET:
 953                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 954                         DBG("Invalid parameter!");
 955                         netconfig_error_invalid_parameter(context);
 956                         return FALSE;
 957                 }
 958                 if (netconfig_execute_file(path, args, envs) < 0) {
 959                         DBG("Failed to remove the route");
 960                         netconfig_error_permission_denied(context);
 961                         return FALSE;
 962                 }
 963                 break;
 964         case AF_INET6:
 965                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 966                         DBG("Invalid parameter!");
 967                         netconfig_error_invalid_parameter(context);
 968                         return FALSE;
 969                 }
 970
 971                 buf = ip_addr;
 972                 ch = strchr(buf, '/');
 973                 pos = ch - buf + 1;
 974                 if (ch) {
 975                         prefix_len = atoi(ch + 1);
 976                         ip_addr[pos-1] = '\0';
 977                 } else {
 978                         prefix_len = 128;
 979                 }
 980
 981                 if (netconfig_del_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
 982                         DBG("Failed to remove the route");
 983                         netconfig_error_permission_denied(context);
 984                         return FALSE;
 985                 }
 986                 break;
 987         default:
 988                 DBG("Unknown Address Family");
 989                 netconfig_error_invalid_parameter(context);
 990                 return FALSE;
 991         }
 992
 993         DBG("Successfully removed the route");
 994         network_complete_remove_route(object, context, TRUE);
 995         return TRUE;
 996 }
 997
 998 static gboolean handle_check_get_privilege(Network *object,
 999                 GDBusMethodInvocation *context)
1000 {
1001         network_complete_check_get_privilege(object, context);
1002         return TRUE;
1003 }
1004
1005
1006 static gboolean handle_check_profile_privilege(Network *object,
1007                 GDBusMethodInvocation *context)
1008 {
1009         network_complete_check_profile_privilege(object, context);
1010         return TRUE;
1011 }
1012
1013 gboolean handle_ethernet_cable_state(Network *object,
1014         GDBusMethodInvocation *context)
1015 {
1016         int ret = 0;
1017         int state = 0;
1018
1019         ret = netconfig_get_ethernet_cable_state(&state);
1020         if (ret != 0) {
1021                 DBG("Failed to get ethernet cable state");
1022                 netconfig_error_fail_ethernet_cable_state(context);
1023                 return FALSE;
1024         }
1025
1026         DBG("Successfully get ethernet cable state[%d]", state);
1027         network_complete_ethernet_cable_state(object, context, state);
1028         return TRUE;
1029 }
1030
1031 void state_object_create_and_init(void)
1032 {
1033         DBG("Creating network state object");
1034         GDBusInterfaceSkeleton *interface_network = NULL;
1035         GDBusConnection *connection = NULL;
1036         GDBusObjectManagerServer *server = netdbus_get_state_manager();
1037         if (server == NULL)
1038                 return;
1039
1040         connection = netdbus_get_connection();
1041         g_dbus_object_manager_server_set_connection(server, connection);
1042
1043         /*Interface netconfig.network*/
1044         netconfigstate = network_skeleton_new();
1045
1046         interface_network = G_DBUS_INTERFACE_SKELETON(netconfigstate);
1047         g_signal_connect(netconfigstate, "handle-add-route",
1048                                 G_CALLBACK(handle_add_route), NULL);
1049         g_signal_connect(netconfigstate, "handle-check-get-privilege",
1050                                 G_CALLBACK(handle_check_get_privilege), NULL);
1051         g_signal_connect(netconfigstate, "handle-check-profile-privilege",
1052                                 G_CALLBACK(handle_check_profile_privilege), NULL);
1053         g_signal_connect(netconfigstate, "handle-ethernet-cable-state",
1054                                 G_CALLBACK(handle_ethernet_cable_state), NULL);
1055         g_signal_connect(netconfigstate, "handle-remove-route",
1056                                 G_CALLBACK(handle_remove_route), NULL);
1057         g_signal_connect(netconfigstate, "handle-launch-mdns",
1058                                 G_CALLBACK(handle_launch_mdns), NULL);
1059         g_signal_connect(netconfigstate, "handle-ref-mdns",
1060                                 G_CALLBACK(handle_ref_mdns), NULL);
1061         g_signal_connect(netconfigstate, "handle-unref-mdns",
1062                                 G_CALLBACK(handle_unref_mdns), NULL);
1063
1064         if (!g_dbus_interface_skeleton_export(interface_network, connection,
1065                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1066                 ERR("Export with path failed");
1067         }
1068 }
1069
1070 void state_object_deinit(void)
1071 {
1072         g_object_unref(netconfigstate);
1073 }