src/network-state.c

   1 /*
   2  * Network Configuration Module
   3  *
   4  * Copyright (c) 2000 - 2012 Samsung Electronics Co., Ltd. All rights reserved.
   5  *
   6  * Licensed under the Apache License, Version 2.0 (the "License");
   7  * you may not use this file except in compliance with the License.
   8  * You may obtain a copy of the License at
   9  *
  10  * http://www.apache.org/licenses/LICENSE-2.0
  11  *
  12  * Unless required by applicable law or agreed to in writing, software
  13  * distributed under the License is distributed on an "AS IS" BASIS,
  14  * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
  15  * See the License for the specific language governing permissions and
  16  * limitations under the License.
  17  *
  18  */
  19
  20 #include <vconf.h>
  21 #include <vconf-keys.h>
  22 #include <fcntl.h>
  23 #include <unistd.h>
  24 #include <stdlib.h>
  25 #include <net/if.h>
  26 #include <arpa/inet.h>
  27 #include <netinet/in.h>
  28 #include <sys/ioctl.h>
  29 #include <ITapiSim.h>
  30 #include <TapiUtility.h>
  31
  32 #include "log.h"
  33 #include "util.h"
  34 #include "netdbus.h"
  35 #include "neterror.h"
  36 #include "emulator.h"
  37 #include "wifi-state.h"
  38 #include "wifi-power.h"
  39 #include "network-state.h"
  40 #include "network-monitor.h"
  41 #include "netsupplicant.h"
  42 #include "wifi-tel-intf.h"
  43 #include "clatd-handler.h"
  44
  45 #include "generated-code.h"
  46 /* Define TCP buffer sizes for various networks */
  47 /* ReadMin, ReadInitial, ReadMax */ /* WriteMin, WriteInitial, WriteMax */
  48 #define NET_TCP_BUFFERSIZE_DEFAULT_READ         "4096 87380 704512"
  49 #define NET_TCP_BUFFERSIZE_DEFAULT_WRITE        "4096 16384 110208"
  50 #define NET_TCP_BUFFERSIZE_WIFI_READ            "524288 1048576 2560000"
  51 #define NET_TCP_BUFFERSIZE_WIFI_WRITE           "524288 1048576 2560000"
  52 #define NET_TCP_BUFFERSIZE_LTE_READ             "524288 1048576 2560000"
  53 #define NET_TCP_BUFFERSIZE_LTE_WRITE            "524288 1048576 2560000"
  54 #define NET_TCP_BUFFERSIZE_UMTS_READ            "4094 87380 704512"
  55 #define NET_TCP_BUFFERSIZE_UMTS_WRITE           "4096 16384 110208"
  56 #define NET_TCP_BUFFERSIZE_HSPA_READ            "4092 87380 704512"
  57 #define NET_TCP_BUFFERSIZE_HSPA_WRITE           "4096 16384 262144"
  58 #define NET_TCP_BUFFERSIZE_HSDPA_READ           "4092 87380 704512"
  59 #define NET_TCP_BUFFERSIZE_HSDPA_WRITE          "4096 16384 262144"
  60 #define NET_TCP_BUFFERSIZE_HSUPA_READ           "4092 87380 704512"
  61 #define NET_TCP_BUFFERSIZE_HSUPA_WRITE          "4096 16384 262144"
  62 #define NET_TCP_BUFFERSIZE_HSPAP_READ           "4092 87380 1220608"
  63 #define NET_TCP_BUFFERSIZE_HSPAP_WRITE          "4096 16384 1220608"
  64 #define NET_TCP_BUFFERSIZE_EDGE_READ            "4093 26280 35040"
  65 #define NET_TCP_BUFFERSIZE_EDGE_WRITE           "4096 16384 35040"
  66 #define NET_TCP_BUFFERSIZE_GPRS_READ            "4096 30000 30000"
  67 #define NET_TCP_BUFFERSIZE_GPRS_WRITE           "4096 8760 11680"
  68
  69 #define NET_TCP_BUFFERSIZE_WIFI_RMEM_MAX        "1048576"
  70 #define NET_TCP_BUFFERSIZE_WIFI_WMEM_MAX        "2097152"
  71 #define NET_TCP_BUFFERSIZE_LTE_RMEM_MAX         "5242880"
  72
  73 #define NET_TCP_BUFFERSIZE_WIFID_WMEM_MAX       "2097152"
  74
  75 #define NET_PROC_SYS_NET_IPV4_TCP_RMEM          "/proc/sys/net/ipv4/tcp_rmem"
  76 #define NET_PROC_SYS_NET_IPv4_TCP_WMEM          "/proc/sys/net/ipv4/tcp_wmem"
  77 #define NET_PROC_SYS_NET_CORE_RMEM_MAX          "/proc/sys/net/core/rmem_max"
  78 #define NET_PROC_SYS_NET_CORE_WMEM_MAX          "/proc/sys/net/core/wmem_max"
  79
  80 #define ROUTE_EXEC_PATH                                         "/sbin/route"
  81
  82 static Network *netconfigstate = NULL;
  83
  84 struct netconfig_default_connection {
  85         char *profile;
  86         char *ifname;
  87         char *ipaddress;
  88         char *ipaddress6;
  89         char *proxy;
  90         char *essid;
  91         unsigned int freq;
  92 };
  93
  94 static struct netconfig_default_connection
  95                                 netconfig_default_connection_info = { NULL, };
  96
  97 gboolean netconfig_iface_network_state_ethernet_cable_state(gint32 *state);
  98
  99 static gboolean __netconfig_is_connected(GVariantIter *array)
 100 {
 101         gboolean is_connected = FALSE;
 102         GVariant *variant = NULL;
 103         gchar *key = NULL;
 104         const gchar *value = NULL;
 105
 106         while (g_variant_iter_loop(array, "{sv}", &key, &variant)) {
 107                 if (g_strcmp0(key, "State") != 0) {
 108                         continue;
 109                 }
 110
 111                 if (g_variant_is_of_type(variant, G_VARIANT_TYPE_STRING)) {
 112                         value = g_variant_get_string(variant, NULL);
 113                         if (g_strcmp0(value, "ready") == 0 || g_strcmp0(value, "online") == 0)
 114                                 is_connected = TRUE;
 115                 }
 116
 117                 g_free(key);
 118                 g_variant_unref(variant);
 119                 break;
 120         }
 121
 122         return is_connected;
 123 }
 124
 125 static char *__netconfig_get_default_profile(void)
 126 {
 127         GVariant *message = NULL;
 128         GVariantIter *iter;
 129         GVariantIter *next;
 130         gchar *default_profile = NULL;
 131         gchar *object_path;
 132
 133         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 134                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 135                         "GetServices", NULL);
 136         if (message == NULL) {
 137                 ERR("Failed to get profiles");
 138                 return NULL;
 139         }
 140
 141         g_variant_get(message, "(a(oa{sv}))", &iter);
 142         while (g_variant_iter_loop(iter, "(oa{sv})", &object_path, &next)) {
 143                 if (object_path == NULL) {
 144                         continue;
 145                 }
 146
 147                 if(netconfig_is_cellular_profile(object_path) && !netconfig_is_cellular_internet_profile(object_path)){
 148                         continue;
 149                 }
 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         }
 442         else if (profile != NULL) {
 443                 char *old_ip = vconf_get_str(VCONFKEY_NETWORK_IP);
 444                 char *old_proxy = vconf_get_str(VCONFKEY_NETWORK_PROXY);
 445
 446                 if (netconfig_is_wifi_profile(profile) == TRUE) {
 447                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_WIFI);
 448                         netconfig_set_vconf_int("memory/private/wifi/frequency", freq);
 449                 }
 450                 else if (netconfig_is_cellular_profile(profile) ){
 451
 452                         if( !netconfig_is_cellular_internet_profile(profile)){
 453                                 DBG("connection is not a internet profile - stop to update the cellular state");
 454                                 return;
 455                         }
 456
 457                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_CELLULAR);
 458
 459                         /* Enable clatd if IPv6 is set and no IPv4 address */
 460                         if (!ip_addr && ip_addr6 )
 461                                 netconfig_clatd_enable();
 462                 }
 463                 else if (netconfig_is_ethernet_profile(profile) == TRUE){
 464                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_ETHERNET);
 465                 }
 466                 else if (netconfig_is_bluetooth_profile(profile) == TRUE){
 467                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_BLUETOOTH);
 468                 }
 469                 else{
 470                         netconfig_set_vconf_int(VCONFKEY_NETWORK_STATUS, VCONFKEY_NETWORK_OFF);
 471                 }
 472
 473                 if (g_strcmp0(old_ip, ip_addr) != 0 || old_ip == NULL) {
 474                         if (ip_addr != NULL)
 475                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr);
 476                         else if (ip_addr6 != NULL)
 477                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, ip_addr6);
 478                         else
 479                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_IP, "");
 480                 }
 481                 g_free(old_ip);
 482
 483                 if (g_strcmp0(old_proxy, proxy_addr) != 0) {
 484                         if (proxy_addr == NULL)
 485                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, "");
 486                         else
 487                                 netconfig_set_vconf_str(VCONFKEY_NETWORK_PROXY, proxy_addr);
 488                 }
 489                 g_free(old_proxy);
 490
 491                 netconfig_set_vconf_int(VCONFKEY_NETWORK_CONFIGURATION_CHANGE_IND, 1);
 492
 493                 DBG("Successfully update default network configuration");
 494
 495                 /* Disable clatd if it is in running state */
 496                 if (netconfig_is_cellular_profile(profile) != TRUE)
 497                         netconfig_clatd_disable();
 498         }
 499
 500         __netconfig_adjust_tcp_buffer_size();
 501 }
 502
 503 static gboolean __netconfig_is_tech_state_connected(void)
 504 {
 505         gboolean ret = FALSE;
 506         GVariant *message = NULL, *variant;
 507         GVariantIter *iter, *next;
 508         gchar *path;
 509         gchar *key;
 510
 511         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 512                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 513                         "GetTechnologies", NULL);
 514
 515         if (message == NULL) {
 516                 DBG("Fail to get technology state");
 517                 return FALSE;
 518         }
 519
 520         g_variant_get(message, "(a(oa{sv}))", &iter);
 521         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 522                 if (path == NULL) {
 523                         continue;
 524                 }
 525
 526                 while (g_variant_iter_loop(next, "{sv}", &key, &variant)) {
 527                         gboolean data;
 528                         if (g_strcmp0(key, "Connected") == 0) {
 529                                 data = g_variant_get_boolean(variant);
 530                                 DBG("%s [%s: %s]", path, key, data ? "True" : "False");
 531                                 if (TRUE == data) {
 532                                         ret = TRUE;
 533                                         g_free(path);
 534                                         g_free(key);
 535                                         g_variant_unref(variant);
 536                                         g_variant_iter_free(next);
 537                                         goto done;
 538                                 }
 539                         }
 540                 }
 541         }
 542
 543 done:
 544         g_variant_iter_free(iter);
 545         g_variant_unref(message);
 546
 547         return ret;
 548 }
 549
 550 static void __netconfig_update_if_service_connected(void)
 551 {
 552         GVariant *message = NULL, *var;
 553         GVariantIter *iter, *next;
 554         gchar *path;
 555         gchar *key;
 556
 557         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE,
 558                         CONNMAN_MANAGER_PATH, CONNMAN_MANAGER_INTERFACE,
 559                         "GetServices", NULL);
 560
 561         if (message == NULL) {
 562                 ERR("Failed to get services");
 563                 return;
 564         }
 565
 566         g_variant_get(message, "(a(oa{sv}))", &iter);
 567         while (g_variant_iter_loop(iter, "(oa{sv})", &path, &next)) {
 568                 if (path == NULL) {
 569                         continue;
 570                 }
 571
 572                 if (g_str_has_prefix(path,
 573                                                 CONNMAN_WIFI_SERVICE_PROFILE_PREFIX) == TRUE) {
 574                         if (g_strrstr(path + strlen(CONNMAN_WIFI_SERVICE_PROFILE_PREFIX),
 575                                                         "hidden") != NULL) {
 576                                 /* skip hidden profiles */
 577                                 continue;
 578                         }
 579                         /* Process this */
 580                 } else if (g_str_has_prefix(path,
 581                                                 CONNMAN_CELLULAR_SERVICE_PROFILE_PREFIX) == TRUE) {
 582                         /* Process this */
 583                 } else {
 584                         continue;
 585                 }
 586
 587                 while (g_variant_iter_loop(next, "{sv}", &key, &var)) {
 588                         if (g_strcmp0(key, "State") == 0) {
 589                                 const gchar *sdata = NULL;
 590                                 sdata = g_variant_get_string(var, NULL);
 591                                 DBG("%s [%s: %s]", path, key, sdata);
 592
 593                                 if (g_strcmp0(sdata, "online") == 0 || g_strcmp0(sdata, "ready") == 0) {
 594
 595                                         /* Found a connected WiFi / 3G service.
 596                                          * Lets update the default profile info.
 597                                          */
 598                                         netconfig_update_default_profile((const gchar*)path);
 599                                         g_free(key);
 600                                         g_free(path);
 601                                         g_variant_unref(var);
 602                                         g_variant_iter_free(next);
 603                                         goto done;
 604                                 }
 605                         }
 606                 }
 607         }
 608 done:
 609         g_variant_iter_free(iter);
 610         g_variant_unref(message);
 611
 612         return;
 613 }
 614
 615 static void __netconfig_network_notify_result(const char *sig_name, const char *key)
 616 {
 617         gboolean reply;
 618         GVariant *params;
 619         GVariantBuilder *builder = NULL;
 620         GDBusConnection *connection = NULL;
 621         GError *error = NULL;
 622         const char *prop_key = "key";
 623
 624         INFO("[Signal] %s %s", sig_name, key);
 625
 626         connection = netdbus_get_connection();
 627         if (connection == NULL) {
 628                 ERR("Failed to get GDBus Connection");
 629                 return;
 630         }
 631
 632         builder = g_variant_builder_new(G_VARIANT_TYPE ("a{sv}"));
 633         g_variant_builder_add(builder, "{sv}", prop_key, g_variant_new_string(key));
 634         params = g_variant_new("(@a{sv})", g_variant_builder_end(builder));
 635
 636         g_variant_builder_unref(builder);
 637
 638         reply = g_dbus_connection_emit_signal(connection,
 639                         NULL,
 640                         NETCONFIG_NETWORK_PATH,
 641                         NETCONFIG_NETWORK_INTERFACE,
 642                         sig_name,
 643                         params,
 644                         &error);
 645
 646         if (reply != TRUE) {
 647                 if (error != NULL) {
 648                         ERR("Failed to send signal [%s]", error->message);
 649                         g_error_free(error);
 650                 }
 651                 return;
 652         }
 653
 654         INFO("Sent signal (%s), key (%s)", sig_name, key);
 655         return;
 656 }
 657
 658 const char *netconfig_get_default_profile(void)
 659 {
 660         return netconfig_default_connection_info.profile;
 661 }
 662
 663 const char *netconfig_get_default_ifname(void)
 664 {
 665         return netconfig_default_connection_info.ifname;
 666 }
 667
 668 const char *netconfig_get_default_ipaddress(void)
 669 {
 670         return netconfig_default_connection_info.ipaddress;
 671 }
 672
 673 const char *netconfig_get_default_ipaddress6(void)
 674 {
 675         return netconfig_default_connection_info.ipaddress6;
 676 }
 677
 678 const char *netconfig_get_default_proxy(void)
 679 {
 680         return netconfig_default_connection_info.proxy;
 681 }
 682
 683 unsigned int netconfig_get_default_frequency(void)
 684 {
 685         return netconfig_default_connection_info.freq;
 686 }
 687
 688 const char *netconfig_wifi_get_connected_essid(const char *default_profile)
 689 {
 690         if (default_profile == NULL)
 691                 return NULL;
 692
 693         if (netconfig_is_wifi_profile(default_profile) != TRUE)
 694                 return NULL;
 695
 696         if (g_strcmp0(default_profile, netconfig_default_connection_info.profile) != 0)
 697                 return NULL;
 698
 699         return netconfig_default_connection_info.essid;
 700 }
 701
 702 static int __netconfig_reset_ipv4_socket(void)
 703 {
 704         int ret;
 705         int fd;
 706         struct ifreq ifr;
 707         struct sockaddr_in sai;
 708         const char *ipaddr = netconfig_get_default_ipaddress();
 709         DBG("ipaddr-[%s]", ipaddr);
 710
 711         if (!ipaddr)
 712                 return -1;
 713
 714         fd = socket(AF_INET, SOCK_DGRAM, 0);
 715         if (fd < 0)
 716                 return -1;
 717
 718         memset(&sai, 0, sizeof(struct sockaddr_in));
 719         sai.sin_family = AF_INET;
 720         sai.sin_port = 0;
 721         if (!inet_aton(ipaddr, &sai.sin_addr)) {
 722                 DBG("fail to inet_aton()");
 723                 close(fd);
 724                 return -1;
 725         }
 726
 727         memset(&ifr, 0, sizeof(struct ifreq));
 728         memcpy(&ifr.ifr_addr, &sai, sizeof(sai));
 729         g_strlcpy((char *)ifr.ifr_name, WIFI_IFNAME, IFNAMSIZ);
 730
 731 #ifndef SIOCKILLADDR
 732 #define SIOCKILLADDR    0x8939
 733 #endif
 734
 735         ret = ioctl(fd, SIOCKILLADDR, &ifr);
 736         if (ret < 0) {
 737                 DBG("fail to ioctl[SIOCKILLADDR]");
 738                 close(fd);
 739                 return -1;
 740         }
 741
 742         close(fd);
 743         return 0;
 744 }
 745
 746 void netconfig_update_default_profile(const char *profile)
 747 {
 748         static char *old_profile = NULL;
 749
 750         /* It's automatically updated by signal-handler
 751          * DO NOT update manually
 752          *
 753          * It is going to update default connection information
 754          */
 755
 756         if (netconfig_default_connection_info.profile != NULL) {
 757
 758                 if (netconfig_is_wifi_profile(netconfig_default_connection_info.profile))
 759                         __netconfig_reset_ipv4_socket();
 760
 761                 g_free(old_profile);
 762                 old_profile = strdup(netconfig_default_connection_info.profile);
 763
 764                 g_free(netconfig_default_connection_info.profile);
 765                 netconfig_default_connection_info.profile = NULL;
 766
 767                 g_free(netconfig_default_connection_info.ifname);
 768                 netconfig_default_connection_info.ifname = NULL;
 769
 770                 g_free(netconfig_default_connection_info.ipaddress);
 771                 netconfig_default_connection_info.ipaddress = NULL;
 772
 773                 g_free(netconfig_default_connection_info.ipaddress6);
 774                 netconfig_default_connection_info.ipaddress6 = NULL;
 775
 776                 g_free(netconfig_default_connection_info.proxy);
 777                 netconfig_default_connection_info.proxy = NULL;
 778
 779                 netconfig_default_connection_info.freq = 0;
 780
 781                 if (wifi_state_get_service_state() != NETCONFIG_WIFI_CONNECTED) {
 782                         g_free(netconfig_default_connection_info.essid);
 783                         netconfig_default_connection_info.essid = NULL;
 784                 }
 785         }
 786
 787         //default profile is NULL and new connected profile is NULL
 788         if( !profile ){
 789                 profile = __netconfig_get_default_profile();
 790
 791                 if (profile && netconfig_is_cellular_profile(profile) &&
 792                         !netconfig_is_cellular_internet_profile(profile)){
 793                         DBG("not a default cellular profile");
 794                         profile = NULL;
 795                 }
 796
 797                 if(!profile){
 798                         __netconfig_update_default_connection_info();
 799                         return;
 800                 }
 801         }
 802
 803         netconfig_default_connection_info.profile = g_strdup(profile);
 804         __netconfig_get_default_connection_info(profile);
 805         __netconfig_update_default_connection_info();
 806
 807 }
 808
 809 void netconfig_update_default(void)
 810 {
 811         if (__netconfig_is_tech_state_connected() == TRUE)
 812                 __netconfig_update_if_service_connected();
 813         else
 814                 __netconfig_adjust_tcp_buffer_size();
 815 }
 816
 817 char *netconfig_get_ifname(const char *profile)
 818 {
 819         GVariant *message = NULL, *variant;
 820         GVariantIter *iter, *next;
 821         gchar *key;
 822         gchar *key1;
 823         const gchar *value = NULL;
 824         gchar *ifname = NULL;
 825
 826         if (profile == NULL)
 827                 return NULL;
 828
 829         message = netconfig_invoke_dbus_method(CONNMAN_SERVICE, profile,
 830                         CONNMAN_SERVICE_INTERFACE, "GetProperties", NULL);
 831         if (message == NULL) {
 832                 ERR("Failed to get service properties");
 833                 return NULL;
 834         }
 835
 836         g_variant_get(message, "(a{sv})", &iter);
 837         while (g_variant_iter_loop(iter, "{sv}", &key, &next)) {
 838                 if (g_strcmp0(key, "Ethernet") == 0) {
 839                         while (g_variant_iter_loop(next, "{sv}", &key1, &variant)) {
 840                                 if (g_strcmp0(key1, "Interface") == 0) {
 841                                         value = g_variant_get_string(variant, NULL);
 842                                         ifname = g_strdup(value);
 843                                 }
 844                         }
 845                 }
 846         }
 847
 848         g_variant_unref(message);
 849
 850         g_variant_iter_free(iter);
 851
 852         return ifname;
 853 }
 854
 855 /* Check Ethernet Cable Plug-in /Plug-out Status */
 856 void netconfig_network_notify_ethernet_cable_state(const char *key)
 857 {
 858        __netconfig_network_notify_result("EthernetCableState", key);
 859 }
 860
 861 static gboolean handle_add_route(
 862                 Network *object,
 863                 GDBusMethodInvocation *context,
 864                 gchar *ip_addr,
 865                 gchar *netmask,
 866                 gchar *interface,  gchar *gateway, gint address_family)
 867 {
 868         const gchar *path = ROUTE_EXEC_PATH;
 869         gchar *const args[] = { "/sbin/route", "add", "-net", ip_addr,
 870                 "netmask", netmask, "dev", interface, NULL };
 871         gchar *const envs[] = { NULL };
 872         const gchar* buf = NULL;
 873         gchar* ch = NULL;
 874         int prefix_len = 0;
 875         int pos = 0;
 876
 877         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 878
 879         switch(address_family) {
 880                 case AF_INET:
 881                         if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 882                                 ERR("Invalid parameter");
 883                                 netconfig_error_invalid_parameter(context);
 884                                 return FALSE;
 885                         }
 886
 887                         if (netconfig_execute_file(path, args, envs) < 0) {
 888                                 DBG("Failed to add a new route");
 889                                 netconfig_error_permission_denied(context);
 890                                 return FALSE;
 891                         }
 892
 893                         break;
 894                 case AF_INET6:
 895                         if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 896                                 ERR("Invalid parameter");
 897                                 netconfig_error_invalid_parameter(context);
 898                                 return FALSE;
 899                         }
 900
 901                         buf = ip_addr;
 902                         ch = strchr(buf, '/');
 903                         pos = ch - buf + 1;
 904                         if (ch) {
 905                                 prefix_len = atoi(ch + 1);
 906                                 ip_addr[pos-1] = '\0';
 907                         } else {
 908                                 prefix_len = 128;
 909                         }
 910
 911                         if (netconfig_add_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
 912                                 DBG("Failed to add a new route");
 913                                 netconfig_error_permission_denied(context);
 914                                 return FALSE;
 915                         }
 916                         break;
 917                 default:
 918                         DBG("Unknown Address Family");
 919                         netconfig_error_invalid_parameter(context);
 920                         return FALSE;
 921         }
 922
 923         DBG("Successfully added a new route");
 924         network_complete_add_route(object, context, TRUE);
 925         return TRUE;
 926 }
 927
 928 static gboolean handle_remove_route(
 929                 Network *object,
 930                 GDBusMethodInvocation *context,
 931                 gchar *ip_addr,
 932                 gchar *netmask,
 933                 gchar *interface, gchar *gateway, gint address_family)
 934 {
 935         const char *path = ROUTE_EXEC_PATH;
 936         gchar *const args[] = { "/sbin/route", "del", "-net", ip_addr,
 937                 "netmask", netmask, "dev", interface, NULL };
 938         char *const envs[] = { NULL };
 939         const char* buf = NULL;
 940         char* ch = NULL;
 941         int prefix_len = 0;
 942         int pos = 0;
 943
 944         DBG("ip_addr(%s), netmask(%s), interface(%s), gateway(%s)", ip_addr, netmask, interface, gateway);
 945
 946         switch(address_family) {
 947                 case AF_INET:
 948                         if (ip_addr == NULL || netmask == NULL || interface == NULL) {
 949                                 DBG("Invalid parameter!");
 950                                 netconfig_error_invalid_parameter(context);
 951                                 return FALSE;
 952                         }
 953                         if (netconfig_execute_file(path, args, envs) < 0) {
 954                                 DBG("Failed to remove the route");
 955                                 netconfig_error_permission_denied(context);
 956                                 return FALSE;
 957                         }
 958                         break;
 959                 case AF_INET6:
 960                         if (ip_addr == NULL || interface == NULL || gateway == NULL) {
 961                                 DBG("Invalid parameter!");
 962                                 netconfig_error_invalid_parameter(context);
 963                                 return FALSE;
 964                         }
 965
 966                         buf = ip_addr;
 967                         ch = strchr(buf, '/');
 968                         pos = ch - buf + 1;
 969                         if (ch) {
 970                                 prefix_len = atoi(ch + 1);
 971                                 ip_addr[pos-1] = '\0';
 972                         } else {
 973                                 prefix_len = 128;
 974                         }
 975
 976                         if (netconfig_del_route_ipv6(ip_addr, interface, gateway, prefix_len) < 0) {
 977                                 DBG("Failed to remove the route");
 978                                 netconfig_error_permission_denied(context);
 979                                 return FALSE;
 980                         }
 981                         break;
 982                 default:
 983                         DBG("Unknown Address Family");
 984                         netconfig_error_invalid_parameter(context);
 985                         return FALSE;
 986         }
 987
 988         DBG("Successfully removed the route");
 989         network_complete_remove_route(object, context, TRUE);
 990         return TRUE;
 991 }
 992
 993 static gboolean handle_check_get_privilege(Network *object,
 994                 GDBusMethodInvocation *context)
 995 {
 996         network_complete_check_get_privilege(object, context);
 997         return TRUE;
 998 }
 999
1000
1001 static gboolean handle_check_profile_privilege(Network *object,
1002                 GDBusMethodInvocation *context)
1003 {
1004         network_complete_check_profile_privilege(object, context);
1005         return TRUE;
1006 }
1007
1008 gboolean handle_ethernet_cable_state(Network *object,
1009         GDBusMethodInvocation *context)
1010 {
1011         int ret = 0;
1012         int state = 0;
1013
1014         ret = netconfig_get_ethernet_cable_state(&state);
1015         if(ret != 0) {
1016                 DBG("Failed to get ethernet cable state");
1017                 netconfig_error_fail_ethernet_cable_state(context);
1018                 return FALSE;
1019         }
1020
1021         DBG("Successfully get ethernet cable state[%d]", state);
1022         network_complete_ethernet_cable_state(object, context, state);
1023         return TRUE;
1024 }
1025
1026 void state_object_create_and_init(void)
1027 {
1028         DBG("Creating network state object");
1029         GDBusInterfaceSkeleton *interface_network = NULL;
1030         GDBusConnection *connection = NULL;
1031         GDBusObjectManagerServer *server = netdbus_get_state_manager();
1032         if (server == NULL)
1033                 return;
1034
1035         connection = netdbus_get_connection();
1036         g_dbus_object_manager_server_set_connection(server, connection);
1037
1038         /*Interface netconfig.network*/
1039         netconfigstate = network_skeleton_new();
1040
1041         interface_network = G_DBUS_INTERFACE_SKELETON(netconfigstate);
1042         g_signal_connect(netconfigstate, "handle-add-route",
1043                                 G_CALLBACK(handle_add_route), NULL);
1044         g_signal_connect(netconfigstate, "handle-check-get-privilege",
1045                                 G_CALLBACK(handle_check_get_privilege), NULL);
1046         g_signal_connect(netconfigstate, "handle-check-profile-privilege",
1047                                 G_CALLBACK(handle_check_profile_privilege), NULL);
1048         g_signal_connect(netconfigstate, "handle-remove-route",
1049                                 G_CALLBACK(handle_remove_route), NULL);
1050
1051         if (!g_dbus_interface_skeleton_export(interface_network, connection,
1052                         NETCONFIG_NETWORK_STATE_PATH, NULL)) {
1053                 ERR("Export with path failed");
1054         }
1055 }
1056
1057 void state_object_deinit(void)
1058 {
1059         g_object_unref(netconfigstate);
1060 }