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-dpm.h"
  44 #include "network-monitor.h"
  45 #include "netsupplicant.h"
  46 #include "wifi-tel-intf.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,  *service = NULL;
 168         GVariant *next = NULL;
 169         gchar *obj_path;
 170         gchar *key = NULL;
 171         gchar *key1 = NULL;
 172         gchar *key2 = NULL;
 173         gboolean found_profile = 0;
 174
 175         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 176                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 177                         "GetServices", NULL);
 178         if (message == NULL) {
 179                 ERR("Failed to get services informations");
 180                 goto done;
 181         }
 182
 183         g_variant_get(message, "(a(oa{sv}))", &service);
 184         if (service == NULL) {
 185                 ERR("Failed to get services iter");
 186                 goto done;
 187         }
 188
 189         while (g_variant_iter_loop(service, "(oa{sv})", &obj_path, &iter)) {
 190                 if (g_strcmp0(obj_path, profile) == 0) {
 191                         g_free(obj_path);
 192                         found_profile = 1;
 193                         break;
 194                 }
 195         }
 196
 197         if (iter == NULL || found_profile == 0) {
 198                 ERR("Profile %s doesn't exist", profile);
 199                 goto done;
 200         }
 201
 202         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 203                 const gchar *value = NULL;
 204                 guint16 freq = 0;
 205                 if (g_strcmp0(key, "Name") == 0 &&
 206                                 netconfig_is_wifi_profile(profile) == TRUE) {
 207                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_STRING)) {
 208                                 value = g_variant_get_string(next, NULL);
 209
 210                                 netconfig_default_connection_info.essid = g_strdup(value);
 211                         }
 212                 } else if (g_strcmp0(key, "Ethernet") == 0) {
 213                         g_variant_get(next, "a{sv}", &iter1);
 214                         if (iter1 == NULL)
 215                                 continue;
 216                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 217                                 if (g_strcmp0(key1, "Interface") == 0) {
 218                                         value = g_variant_get_string(variant, NULL);
 219                                         netconfig_default_connection_info.ifname = g_strdup(value);
 220                                 }
 221                         }
 222                         g_variant_iter_free(iter1);
 223                 } else if (g_strcmp0(key, "IPv4") == 0) {
 224                         g_variant_get(next, "a{sv}", &iter1);
 225                         if (iter1 == NULL)
 226                                 continue;
 227                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 228                                 if (g_strcmp0(key1, "Address") == 0) {
 229                                         value = g_variant_get_string(variant, NULL);
 230                                         netconfig_default_connection_info.ipaddress = g_strdup(value);
 231                                 }
 232                         }
 233                         g_variant_iter_free(iter1);
 234                 } else if (g_strcmp0(key, "IPv6") == 0) {
 235                         g_variant_get(next, "a{sv}", &iter1);
 236                         if (iter1 == NULL)
 237                                 continue;
 238                         while (g_variant_iter_loop(iter1, "{sv}", &key1, &variant)) {
 239                                 if (g_strcmp0(key1, "Address") == 0) {
 240                                         value = g_variant_get_string(variant, NULL);
 241                                         netconfig_default_connection_info.ipaddress6 = g_strdup(value);
 242                                 }
 243                         }
 244                         g_variant_iter_free(iter1);
 245
 246                 } else if (g_strcmp0(key, "Proxy") == 0) {
 247                         g_variant_get(next, "a{sv}", &iter1);
 248                         if (iter1 == NULL)
 249                                 continue;
 250                         while (g_variant_iter_loop(iter1, "{sv}", &key2, &variant2)) {
 251                                 GVariantIter *iter_sub = NULL;
 252
 253                                 if (g_strcmp0(key2, "Servers") == 0) {
 254                                         if (!g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING_ARRAY)) {
 255                                                 g_free(key2);
 256                                                 g_variant_unref(variant2);
 257                                                 break;
 258                                         }
 259
 260                                         g_variant_get(variant2, "as", &iter_sub);
 261                                         g_variant_iter_loop(iter_sub, "s", &value);
 262                                         g_variant_iter_free(iter_sub);
 263                                         if (value != NULL && (strlen(value) > 0))
 264                                                 netconfig_default_connection_info.proxy = g_strdup(value);
 265                                 } else if (g_strcmp0(key2, "Method") == 0) {
 266                                         if (g_variant_is_of_type(variant2, G_VARIANT_TYPE_STRING)) {
 267                                                 g_free(key2);
 268                                                 g_variant_unref(variant2);
 269                                                 break;
 270                                         }
 271
 272                                         value = g_variant_get_string(variant2, NULL);
 273                                         if (g_strcmp0(value, "direct") == 0) {
 274                                                 g_free(netconfig_default_connection_info.proxy);
 275                                                 netconfig_default_connection_info.proxy = NULL;
 276
 277                                                 g_free(key2);
 278                                                 g_variant_unref(variant2);
 279                                                 break;
 280                                         }
 281                                 }
 282                         }
 283                         g_variant_iter_free(iter1);
 284                 } else if (g_strcmp0(key, "Frequency") == 0) {
 285                         if (g_variant_is_of_type(next, G_VARIANT_TYPE_UINT16)) {
 286                                 freq = g_variant_get_uint16(next);
 287                                 netconfig_default_connection_info.freq = freq;
 288                         }
 289                 }
 290         }
 291
 292 done:
 293         if (message)
 294                 g_variant_unref(message);
 295
 296         if (iter)
 297                 g_variant_iter_free(iter);
 298
 299         if (service)
 300                 g_variant_iter_free(service);
 301
 302         return;
 303 }
 304
 305 static void __netconfig_adjust_tcp_buffer_size(void)
 306 {
 307         int fdr = 0, fdw = 0;
 308         int fdrmax = 0, fdwmax = 0;
 309         const char *rbuf_size = NULL;
 310         const char *wbuf_size = NULL;
 311         const char *rmax_size = NULL;
 312         const char *wmax_size = NULL;
 313         const char *profile = netconfig_get_default_profile();
 314
 315         if (profile == NULL) {
 316                 DBG("There is no default connection");
 317
 318                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 319                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 320         } else if (netconfig_is_wifi_profile(profile) == TRUE) {
 321                 DBG("Default connection: Wi-Fi");
 322
 323                 rbuf_size = NET_TCP_BUFFERSIZE_WIFI_READ;
 324                 wbuf_size = NET_TCP_BUFFERSIZE_WIFI_WRITE;
 325                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 326                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 327         } else if (netconfig_is_cellular_profile(profile) == TRUE) {
 328                 TapiHandle *tapi_handle = NULL;
 329                 int telephony_svctype = 0, telephony_pstype = 0;
 330
 331                 tapi_handle = (TapiHandle *)netconfig_tel_init();
 332                 if (NULL != tapi_handle) {
 333                         tel_get_property_int(tapi_handle,
 334                                         TAPI_PROP_NETWORK_SERVICE_TYPE,
 335                                         &telephony_svctype);
 336                         tel_get_property_int(tapi_handle, TAPI_PROP_NETWORK_PS_TYPE,
 337                                         &telephony_pstype);
 338                         netconfig_tel_deinit();
 339                 }
 340
 341                 DBG("Default cellular %d, %d", telephony_svctype, telephony_pstype);
 342
 343                 switch (telephony_pstype) {
 344                 case VCONFKEY_TELEPHONY_PSTYPE_HSPA:
 345                         rbuf_size = NET_TCP_BUFFERSIZE_HSPA_READ;
 346                         wbuf_size = NET_TCP_BUFFERSIZE_HSPA_WRITE;
 347                         break;
 348                 case VCONFKEY_TELEPHONY_PSTYPE_HSUPA:
 349                         rbuf_size = NET_TCP_BUFFERSIZE_HSUPA_READ;
 350                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 351                         break;
 352                 case VCONFKEY_TELEPHONY_PSTYPE_HSDPA:
 353                         rbuf_size = NET_TCP_BUFFERSIZE_HSDPA_READ;
 354                         wbuf_size = NET_TCP_BUFFERSIZE_HSDPA_WRITE;
 355                         break;
 356 #if !defined TIZEN_WEARABLE
 357                 case VCONFKEY_TELEPHONY_PSTYPE_HSPAP:
 358                         rbuf_size = NET_TCP_BUFFERSIZE_HSPAP_READ;
 359                         wbuf_size = NET_TCP_BUFFERSIZE_HSPAP_WRITE;
 360                         break;
 361 #endif
 362                 default:
 363                         switch (telephony_svctype) {
 364                         case VCONFKEY_TELEPHONY_SVCTYPE_LTE:
 365                                 rbuf_size = NET_TCP_BUFFERSIZE_LTE_READ;
 366                                 wbuf_size = NET_TCP_BUFFERSIZE_LTE_WRITE;
 367                                 rmax_size = NET_TCP_BUFFERSIZE_LTE_RMEM_MAX;
 368                                 break;
 369                         case VCONFKEY_TELEPHONY_SVCTYPE_3G:
 370                                 rbuf_size = NET_TCP_BUFFERSIZE_UMTS_READ;
 371                                 wbuf_size = NET_TCP_BUFFERSIZE_UMTS_WRITE;
 372                                 break;
 373                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G_EDGE:
 374                                 rbuf_size = NET_TCP_BUFFERSIZE_EDGE_READ;
 375                                 wbuf_size = NET_TCP_BUFFERSIZE_EDGE_WRITE;
 376                                 break;
 377                         case VCONFKEY_TELEPHONY_SVCTYPE_2_5G:
 378                                 rbuf_size = NET_TCP_BUFFERSIZE_GPRS_READ;
 379                                 wbuf_size = NET_TCP_BUFFERSIZE_GPRS_WRITE;
 380                                 break;
 381                         default:
 382                                 /* TODO: Check LTE support */
 383                                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 384                                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 385                                 break;
 386                         }
 387                         break;
 388                 }
 389         } else {
 390                 DBG("Default TCP buffer configured");
 391
 392                 rbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_READ;
 393                 wbuf_size = NET_TCP_BUFFERSIZE_DEFAULT_WRITE;
 394         }
 395
 396         if (rbuf_size != NULL) {
 397                 fdr = open(NET_PROC_SYS_NET_IPV4_TCP_RMEM, O_RDWR | O_CLOEXEC);
 398
 399                 if (fdr < 0 || write(fdr, rbuf_size, strlen(rbuf_size)) < 0)
 400                         ERR("Failed to set TCP read buffer size");
 401
 402                 if (fdr >= 0)
 403                         close(fdr);
 404         }
 405
 406         if (wbuf_size != NULL) {
 407                 fdw = open(NET_PROC_SYS_NET_IPv4_TCP_WMEM, O_RDWR | O_CLOEXEC);
 408
 409                 if (fdw < 0 || write(fdw, wbuf_size, strlen(wbuf_size)) < 0)
 410                         ERR("Failed to set TCP write buffer size");
 411
 412                 if (fdw >= 0)
 413                         close(fdw);
 414         }
 415
 416         /* As default */
 417         if (rmax_size == NULL)
 418                 rmax_size = NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX;
 419         if (wmax_size == NULL)
 420                 wmax_size = NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX;
 421
 422         if (rmax_size != NULL) {
 423                 fdrmax = open(NET_PROC_SYS_NET_CORE_RMEM_MAX, O_RDWR | O_CLOEXEC);
 424
 425                 if (fdrmax < 0 || write(fdrmax, rmax_size, strlen(rmax_size)) < 0)
 426                         ERR("Failed to set TCP rmem_max size");
 427
 428                 if (fdrmax >= 0)
 429                         close(fdrmax);
 430         }
 431
 432         if (wmax_size != NULL) {
 433                 fdwmax = open(NET_PROC_SYS_NET_CORE_WMEM_MAX, O_RDWR | O_CLOEXEC);
 434
 435                 if (fdwmax < 0 || write(fdwmax, wmax_size, strlen(wmax_size)) < 0)
 436                         ERR("Failed to set TCP wmem_max size");
 437
 438                 if (fdwmax >= 0)
 439                         close(fdwmax);
 440         }
 441 }
 442
 443 static void __netconfig_update_default_connection_info(void)
 444 {
 445         int old_network_status = 0;
 446         const char *profile = netconfig_get_default_profile();
 447         const char *ip_addr = netconfig_get_default_ipaddress();
 448         const char *ip_addr6 = netconfig_get_default_ipaddress6();
 449         const char *proxy_addr = netconfig_get_default_proxy();
 450         unsigned int freq = netconfig_get_default_frequency();
 451
 452         if (emulator_is_emulated() == TRUE)
 453                 return;
 454
 455         if (profile == NULL)
 456                 DBG("Reset network state configuration");
 457         else
 458                 DBG("%s: ip(%s) proxy(%s)", profile, ip_addr, proxy_addr);
 459
 460         netconfig_vconf_get_int(VCONFKEY_NETWORK_STATUS, &old_network_status);
 461
 462         if (profile == NULL && old_network_status != VCONFKEY_NETWORK_OFF) {
 463                 netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 464
 465                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 466                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 467
 468                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 0);
 469                 netconfig_set_vconf_int("memory/private/wifi/frequency", 0);
 470
 471                 DBG("Successfully clear IP and PROXY up");
 472
 473         } else if (profile != NULL) {
 474                 char *old_ip = vconf_get_str(VCONFKEY_NETWORK_IP);
 475                 char *old_proxy = vconf_get_str(VCONFKEY_NETWORK_PROXY);
 476
 477                 if (netconfig_is_wifi_profile(profile) == TRUE) {
 478                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_WIFI);
 479                         netconfig_set_vconf_int("memory/private/wifi/frequency", freq);
 480
 481                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 482                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_WIFI);
 483                 } else if (netconfig_is_cellular_profile(profile)) {
 484
 485                         if (!netconfig_is_cellular_internet_profile(profile)) {
 486                                 DBG("connection is not a internet profile - stop to update the cellular state");
 487                                 return;
 488                         }
 489
 490                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_CELLULAR);
 491
 492                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 493                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_CELLULAR);
 494                 } else if (netconfig_is_ethernet_profile(profile) == TRUE) {
 495                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_ETHERNET);
 496                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 497                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_ETHERNET);
 498                 } else if (netconfig_is_bluetooth_profile(profile) == TRUE) {
 499                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_BLUETOOTH);
 500                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 501                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_BT);
 502                 } else{
 503                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 504                         netconfig_set_system_event(SYS_EVENT_NETWORK_STATUS,
 505                                 EVT_KEY_NETWORK_STATUS, EVT_VAL_NETWORK_DISCONNECTED);
 506                 }
 507
 508                 if (g_strcmp0(old_ip, ip_addr) != 0 || old_ip == NULL) {
 509                         if (ip_addr != NULL)
 510                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr);
 511                         else if (ip_addr6 != NULL)
 512                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr6);
 513                         else
 514                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 515                 }
 516                 g_free(old_ip);
 517
 518                 if (g_strcmp0(old_proxy, proxy_addr) != 0) {
 519                         if (proxy_addr == NULL)
 520                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 521                         else
 522                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, proxy_addr);
 523                 }
 524                 g_free(old_proxy);
 525
 526                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 1);
 527
 528                 DBG("Successfully update default network configuration");
 529         }
 530
 531         __netconfig_adjust_tcp_buffer_size();
 532 }
 533
 534 static gboolean __netconfig_is_tech_state_connected(void)
 535 {
 536         gboolean ret = FALSE;
 537         GVariant *message = NULL, *variant;
 538         GVariantIter *iter, *next;
 539         gchar *path;
 540         gchar *key;
 541
 542         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 543                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 544                         "GetTechnologies", NULL);
 545
 546         if (message == NULL) {
 547                 DBG("Fail to get technology state");
 548                 return FALSE;
 549         }
 550
 551         g_variant_get(message, "(a(oa{sv}))", &iter);
 552         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 553                 if (path == NULL)
 554                         continue;
 555
 556                 while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
 557                         gboolean data;
 558                         if (g_strcmp0(key, "Connected") == 0) {
 559                                 data = g_variant_get_boolean(variant);
 560                                 DBG("%s [%s: %s]", path, key, data ? "True" : "False");
 561                                 if (TRUE == data) {
 562                                         ret = TRUE;
 563                                         g_free(path);
 564                                         g_free(key);
 565                                         g_variant_unref(variant);
 566                                         g_variant_iter_free(next);
 567                                         goto done;
 568                                 }
 569                         }
 570                 }
 571         }
 572
 573 done:
 574         g_variant_iter_free(iter);
 575         g_variant_unref(message);
 576
 577         return ret;
 578 }
 579
 580 static void __netconfig_update_if_service_connected(void)
 581 {
 582         GVariant *message = NULL, *var;
 583         GVariantIter *iter, *next;
 584         gchar *path;
 585         gchar *key;
 586
 587         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 588                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 589                         "GetServices", NULL);
 590
 591         if (message == NULL) {
 592                 ERR("Failed to get services");
 593                 return;
 594         }
 595
 596         g_variant_get(message, "(a(oa{sv}))", &iter);
 597         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 598                 if (path == NULL)
 599                         continue;
 600
 601                 if (g_str_has_prefix(path,
 602                                                 CONNMAN_WIFI_SERVICE_PROFILE_PREFIX) == TRUE) {
 603                         if (g_strrstr(path + strlen(CONNMAN_WIFI_SERVICE_PROFILE_PREFIX),
 604                                                         "hidden") != NULL) {
 605                                 /* skip hidden profiles */
 606                                 continue;
 607                         }
 608                         /* Process this */
 609                 } else if (g_str_has_prefix(path,
 610                                                 CONNMAN_CELLULAR_SERVICE_PROFILE_PREFIX) == TRUE) {
 611                         /* Process this */
 612                 } else {
 613                         continue;
 614                 }
 615
 616                 while (g_variant_iter_loop(next, "{sv}", &key, &var)) {
 617                         if (g_strcmp0(key, "State") == 0) {
 618                                 const gchar *sdata = NULL;
 619                                 sdata = g_variant_get_string(var, NULL);
 620                                 DBG("%s [%s: %s]", path, key, sdata);
 621
 622                                 if (g_strcmp0(sdata, "online") == 0 || g_strcmp0(sdata, "ready") == 0) {
 623
 624                                         /* Found a connected WiFi / 3G service.
 625                                          * Lets update the default profile info.
 626                                          */
 627                                         netconfig_update_default_profile((const gchar*)path);
 628                                         g_free(key);
 629                                         g_free(path);
 630                                         g_variant_unref(var);
 631                                         g_variant_iter_free(next);
 632                                         goto done;
 633                                 }
 634                         }
 635                 }
 636         }
 637 done:
 638         g_variant_iter_free(iter);
 639         g_variant_unref(message);
 640
 641         return;
 642 }
 643
 644 static void __netconfig_network_notify_result(const char *sig_name, const char *key)
 645 {
 646         GVariantBuilder *builder;
 647         GVariant *params;
 648
 649         INFO("[Signal] %s %s", sig_name, key);
 650
 651         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 652         g_variant_builder_add(builder, "{sv}", "key", g_variant_new_string(key));
 653
 654         params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 655         g_variant_builder_unref(builder);
 656
 657         netconfig_dbus_emit_signal(NULL,
 658                                 NETCONFIG_NETWORK_PATH,
 659                                 NETCONFIG_NETWORK_INTERFACE,
 660                                 sig_name,
 661                                 params);
 662
 663         return;
 664 }
 665
 666 const char *netconfig_get_default_profile(void)
 667 {
 668         return netconfig_default_connection_info.profile;
 669 }
 670
 671 const char *netconfig_get_default_ifname(void)
 672 {
 673         return netconfig_default_connection_info.ifname;
 674 }
 675
 676 const char *netconfig_get_default_ipaddress(void)
 677 {
 678         return netconfig_default_connection_info.ipaddress;
 679 }
 680
 681 const char *netconfig_get_default_ipaddress6(void)
 682 {
 683         return netconfig_default_connection_info.ipaddress6;
 684 }
 685
 686 const char *netconfig_get_default_proxy(void)
 687 {
 688         return netconfig_default_connection_info.proxy;
 689 }
 690
 691 unsigned int netconfig_get_default_frequency(void)
 692 {
 693         return netconfig_default_connection_info.freq;
 694 }
 695
 696 const char *netconfig_wifi_get_connected_essid(const char *default_profile)
 697 {
 698         if (default_profile == NULL)
 699                 return NULL;
 700
 701         if (netconfig_is_wifi_profile(default_profile) != TRUE)
 702                 return NULL;
 703
 704         if (g_strcmp0(default_profile, netconfig_default_connection_info.profile) != 0)
 705                 return NULL;
 706
 707         return netconfig_default_connection_info.essid;
 708 }
 709
 710 static int __netconfig_reset_ipv4_socket(void)
 711 {
 712         int ret;
 713         int fd;
 714         struct ifreq ifr;
 715         struct sockaddr_in sai;
 716         const char *ipaddr = netconfig_get_default_ipaddress();
 717         DBG("ipaddr-[%s]", ipaddr);
 718
 719         if (!ipaddr)
 720                 return -1;
 721
 722         fd = socket(AF_INET, SOCK_DGRAM, 0);
 723         if (fd < 0)
 724                 return -1;
 725
 726         memset(&sai, 0, sizeof(struct sockaddr_in));
 727         sai.sin_family = AF_INET;
 728         sai.sin_port = 0;
 729         if (!inet_aton(ipaddr, &sai.sin_addr)) {
 730                 DBG("fail to inet_aton()");
 731                 close(fd);
 732                 return -1;
 733         }
 734
 735         memset(&ifr, 0, sizeof(struct ifreq));
 736         memcpy(&ifr.ifr_addr, &sai, sizeof(sai));
 737         g_strlcpy((char *)ifr.ifr_name, WIFI_IFNAME, IFNAMSIZ);
 738
 739 #ifndef SIOCKILLADDR
 740 #define SIOCKILLADDR    0x8939
 741 #endif
 742
 743         ret = ioctl(fd, SIOCKILLADDR, &ifr);
 744         if (ret < 0) {
 745                 DBG("fail to ioctl[SIOCKILLADDR]");
 746                 close(fd);
 747                 return -1;
 748         }
 749
 750         close(fd);
 751         return 0;
 752 }
 753
 754 void netconfig_update_default_profile(const char *profile)
 755 {
 756         static char *old_profile = NULL;
 757
 758         /* It's automatically updated by signal-handler
 759          * DO NOT update manually
 760          *
 761          * It is going to update default connection information
 762          */
 763
 764         if (netconfig_default_connection_info.profile != NULL) {
 765
 766                 if (netconfig_is_wifi_profile(netconfig_default_connection_info.profile))
 767                         __netconfig_reset_ipv4_socket();
 768
 769                 g_free(old_profile);
 770                 old_profile = strdup(netconfig_default_connection_info.profile);
 771
 772                 g_free(netconfig_default_connection_info.profile);
 773                 netconfig_default_connection_info.profile = NULL;
 774
 775                 g_free(netconfig_default_connection_info.ifname);
 776                 netconfig_default_connection_info.ifname = NULL;
 777
 778                 g_free(netconfig_default_connection_info.ipaddress);
 779                 netconfig_default_connection_info.ipaddress = NULL;
 780
 781                 g_free(netconfig_default_connection_info.ipaddress6);
 782                 netconfig_default_connection_info.ipaddress6 = NULL;
 783
 784                 g_free(netconfig_default_connection_info.proxy);
 785                 netconfig_default_connection_info.proxy = NULL;
 786
 787                 netconfig_default_connection_info.freq = 0;
 788
 789                 if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED) {
 790                         g_free(netconfig_default_connection_info.essid);
 791                         netconfig_default_connection_info.essid = NULL;
 792                 }
 793         }
 794
 795         /* default profile is NULL and new connected profile is NULL */
 796         if (!profile) {
 797                 profile = __netconfig_get_default_profile();
 798
 799                 if (profile && netconfig_is_cellular_profile(profile) &&
 800                         !netconfig_is_cellular_internet_profile(profile)) {
 801                         DBG("not a default cellular profile");
 802                         profile = NULL;
 803                 }
 804
 805                 if (!profile) {
 806                         __netconfig_update_default_connection_info();
 807                         return;
 808                 }
 809         }
 810
 811         netconfig_default_connection_info.profile = g_strdup(profile);
 812         __netconfig_get_default_connection_info(profile);
 813         __netconfig_update_default_connection_info();
 814
 815 }
 816
 817 void netconfig_update_default(void)
 818 {
 819         if (__netconfig_is_tech_state_connected() == TRUE)
 820                 __netconfig_update_if_service_connected();
 821         else
 822                 __netconfig_adjust_tcp_buffer_size();
 823 }
 824
 825 char *netconfig_get_ifname(const char *profile)
 826 {
 827         GVariant *message = NULL, *variant;
 828         GVariantIter *iter, *next, *service;
 829         gchar *obj_path;
 830         gchar *key;
 831         gchar *key1;
 832         const gchar *value = NULL;
 833         gchar *ifname = NULL;
 834         gboolean found_profile = 0;
 835
 836         if (profile == NULL)
 837                 return NULL;
 838
 839         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 840                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 841                         "GetServices", NULL);
 842         if (message == NULL) {
 843                 ERR("Failed to get services informations");
 844                 return NULL;
 845         }
 846
 847         g_variant_get(message, "(a(oa{sv}))", &service);
 848         while (g_variant_iter_loop(service, "(oa{sv})", &obj_path, &iter)) {
 849                 if (g_strcmp0(obj_path, profile) == 0) {
 850                         g_free(obj_path);
 851                         found_profile = 1;
 852                         break;
 853                 }
 854         }
 855
 856         if (found_profile == 0) {
 857                 ERR("Profile %s doesn't exist", profile);
 858                 g_variant_iter_free(service);
 859                 g_variant_unref(message);
 860                 return NULL;
 861         }
 862
 863         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 864                 if (g_strcmp0(key, "Ethernet") == 0) {
 865                         while (g_variant_iter_loop(next, "{sv}", &key1, &variant)) {
 866                                 if (g_strcmp0(key1, "Interface") == 0) {
 867                                         value = g_variant_get_string(variant, NULL);
 868                                         ifname = g_strdup(value);
 869                                 }
 870                         }
 871                 }
 872         }
 873
 874         g_variant_unref(message);
 875
 876         g_variant_iter_free(service);
 877         g_variant_iter_free(iter);
 878
 879         return ifname;
 880 }
 881
 882 /* Check Ethernet Cable Plug-in /Plug-out Status */
 883 void netconfig_network_notify_ethernet_cable_state(const char *key)
 884 {
 885         __netconfig_network_notify_result("EthernetCableState", key);
 886 }
 887
 888 static gboolean handle_add_route(
 889                 Network *object,
 890                 GDBusMethodInvocation *context,
 891                 gchar *ip_addr,
 892                 gchar *netmask,
 893                 gchar *interface,  gchar *gateway, gint address_family)
 894 {
 895         const gchar *path = ROUTE_EXEC_PATH;
 896         gchar *const args[] = { "/sbin/route", "add", "-net", ip_addr,
 897                 "netmask", netmask, "dev", interface, NULL };
 898         gchar *const envs[] = { NULL };
 899         const gchar* buf = NULL;
 900         gchar* ch = NULL;
 901         int prefix_len = 0;
 902         int pos = 0;
 903
 904         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 905
 906         switch (address_family) {
 907         case AF_INET:
 908                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 909                         ERR("Invalid parameter");
 910                         netconfig_error_invalid_parameter(context);
 911                         return FALSE;
 912                 }
 913
 914                 if (netconfig_execute_file(path, args, envs) < 0) {
 915                         DBG("Failed to add a new route");
 916                         netconfig_error_permission_denied(context);
 917                         return FALSE;
 918                 }
 919
 920                 break;
 921         case AF_INET6:
 922                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 923                         ERR("Invalid parameter");
 924                         netconfig_error_invalid_parameter(context);
 925                         return FALSE;
 926                 }
 927
 928                 buf = ip_addr;
 929                 ch = strchr(buf, '/');
 930                 pos = ch - buf + 1;
 931                 if (ch) {
 932                         prefix_len = atoi(ch + 1);
 933                         ip_addr[pos-1] = '\0';
 934                 } else {
 935                         prefix_len = 128;
 936                 }
 937
 938                 if (netconfig_add_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
 939                         DBG("Failed to add a new route");
 940                         netconfig_error_permission_denied(context);
 941                         return FALSE;
 942                 }
 943                 break;
 944         default:
 945                 DBG("Unknown Address Family");
 946                 netconfig_error_invalid_parameter(context);
 947                 return FALSE;
 948         }
 949
 950         DBG("Successfully added a new route");
 951         network_complete_add_route(object, context, TRUE);
 952         return TRUE;
 953 }
 954
 955 static gboolean handle_remove_route(
 956                 Network *object,
 957                 GDBusMethodInvocation *context,
 958                 gchar *ip_addr,
 959                 gchar *netmask,
 960                 gchar *interface, gchar *gateway, gint address_family)
 961 {
 962         const char *path = ROUTE_EXEC_PATH;
 963         gchar *const args[] = { "/sbin/route", "del", "-net", ip_addr,
 964                 "netmask", netmask, "dev", interface, NULL };
 965         char *const envs[] = { NULL };
 966         const char* buf = NULL;
 967         char* ch = NULL;
 968         int prefix_len = 0;
 969         int pos = 0;
 970
 971         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 972
 973         switch (address_family) {
 974         case AF_INET:
 975                 if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 976                         DBG("Invalid parameter!");
 977                         netconfig_error_invalid_parameter(context);
 978                         return FALSE;
 979                 }
 980                 if (netconfig_execute_file(path, args, envs) < 0) {
 981                         DBG("Failed to remove the route");
 982                         netconfig_error_permission_denied(context);
 983                         return FALSE;
 984                 }
 985                 break;
 986         case AF_INET6:
 987                 if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 988                         DBG("Invalid parameter!");
 989                         netconfig_error_invalid_parameter(context);
 990                         return FALSE;
 991                 }
 992
 993                 buf = ip_addr;
 994                 ch = strchr(buf, '/');
 995                 pos = ch - buf + 1;
 996                 if (ch) {
 997                         prefix_len = atoi(ch + 1);
 998                         ip_addr[pos-1] = '\0';
 999                 } else {
1000                         prefix_len = 128;
1001                 }
1002
1003                 if (netconfig_del_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
1004                         DBG("Failed to remove the route");
1005                         netconfig_error_permission_denied(context);
1006                         return FALSE;
1007                 }
1008                 break;
1009         default:
1010                 DBG("Unknown Address Family");
1011                 netconfig_error_invalid_parameter(context);
1012                 return FALSE;
1013         }
1014
1015         DBG("Successfully removed the route");
1016         network_complete_remove_route(object, context, TRUE);
1017         return TRUE;
1018 }
1019
1020 static gboolean handle_check_get_privilege(Network *object,
1021                 GDBusMethodInvocation *context)
1022 {
1023         network_complete_check_get_privilege(object, context);
1024         return TRUE;
1025 }
1026
1027
1028 static gboolean handle_check_profile_privilege(Network *object,
1029                 GDBusMethodInvocation *context)
1030 {
1031         network_complete_check_profile_privilege(object, context);
1032         return TRUE;
1033 }
1034
1035 static gboolean handle_check_internet_privilege(Network *object,
1036                 GDBusMethodInvocation *context)
1037 {
1038         network_complete_check_internet_privilege(object, context);
1039         return TRUE;
1040 }
1041
1042 gboolean handle_ethernet_cable_state(Network *object,
1043         GDBusMethodInvocation *context)
1044 {
1045         int ret = 0;
1046         int state = 0;
1047
1048         ret = netconfig_get_ethernet_cable_state(&state);
1049         if (ret != 0) {
1050                 DBG("Failed to get ethernet cable state");
1051                 netconfig_error_fail_ethernet_cable_state(context);
1052                 return FALSE;
1053         }
1054
1055         DBG("Successfully get ethernet cable state[%d]", state);
1056         network_complete_ethernet_cable_state(object, context, state);
1057         return TRUE;
1058 }
1059
1060 void state_object_create_and_init(void)
1061 {
1062         DBG("Creating network state object");
1063         GDBusInterfaceSkeleton *interface_network = NULL;
1064         GDBusConnection *connection = NULL;
1065         GDBusObjectManagerServer *server = netdbus_get_state_manager();
1066         if (server == NULL)
1067                 return;
1068
1069         connection = netdbus_get_connection();
1070         g_dbus_object_manager_server_set_connection(server, connection);
1071
1072         /*Interface netconfig.network*/
1073         netconfigstate = network_skeleton_new();
1074
1075         interface_network = G_DBUS_INTERFACE_SKELETON(netconfigstate);
1076         g_signal_connect(netconfigstate, "handle-add-route",
1077                                 G_CALLBACK(handle_add_route), NULL);
1078         g_signal_connect(netconfigstate, "handle-check-get-privilege",
1079                                 G_CALLBACK(handle_check_get_privilege), NULL);
1080         g_signal_connect(netconfigstate, "handle-check-profile-privilege",
1081                                 G_CALLBACK(handle_check_profile_privilege), NULL);
1082         g_signal_connect(netconfigstate, "handle-check-internet-privilege",
1083                                 G_CALLBACK(handle_check_internet_privilege), NULL);
1084         g_signal_connect(netconfigstate, "handle-ethernet-cable-state",
1085                                 G_CALLBACK(handle_ethernet_cable_state), NULL);
1086         g_signal_connect(netconfigstate, "handle-remove-route",
1087                                 G_CALLBACK(handle_remove_route), NULL);
1088         g_signal_connect(netconfigstate, "handle-launch-mdns",
1089                                 G_CALLBACK(handle_launch_mdns), NULL);
1090         g_signal_connect(netconfigstate, "handle-device-policy-set-wifi",
1091                                 G_CALLBACK(handle_device_policy_set_wifi), NULL);
1092         g_signal_connect(netconfigstate, "handle-device-policy-get-wifi",
1093                                 G_CALLBACK(handle_device_policy_get_wifi), NULL);
1094         g_signal_connect(netconfigstate, "handle-device-policy-set-wifi-profile",
1095                                 G_CALLBACK(handle_device_policy_set_wifi_profile), NULL);
1096         g_signal_connect(netconfigstate, "handle-device-policy-get-wifi-profile",
1097                                 G_CALLBACK(handle_device_policy_get_wifi_profile), NULL);
1098
1099         if (!g_dbus_interface_skeleton_export(interface_network, connection,
1100                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1101                 ERR("Export with path failed");
1102         }
1103 }
1104
1105 void state_object_deinit(void)
1106 {
1107         g_object_unref(netconfigstate);
1108 }