src/signal-handler.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 <stdio.h>
  21 #include <stdlib.h>
  22 #include <string.h>
  23 #include <vconf.h>
  24 #include <vconf-keys.h>
  25 #include <sys/wait.h>
  26
  27 #include "log.h"
  28 #include "util.h"
  29 #include "netdbus.h"
  30 #include "neterror.h"
  31 #include "wifi-wps.h"
  32 #include "wifi-bssid-scan.h"
  33 #include "wifi-agent.h"
  34 #include "wifi-power.h"
  35 #include "wifi-state.h"
  36 #include "netsupplicant.h"
  37 #include "network-state.h"
  38 #include "cellular-state.h"
  39 #include "signal-handler.h"
  40 #include "wifi-background-scan.h"
  41 #include "wifi-tdls.h"
  42 #include "ip-conflict-detect.h"
  43 #if defined TIZEN_DEBUG_ENABLE
  44 #include "network-dump.h"
  45 #define NETWORK_LOG_DUMP_SCRIPT  "/opt/var/lib/net-config/network_log_dump.sh"
  46 #define MAX_SIZE_ERROR_BUFFER 256
  47 #endif
  48
  49 #define DBUS_SERVICE_DBUS                       "org.freedesktop.DBus"
  50 #define DBUS_INTERFACE_DBUS                     "org.freedesktop.DBus"
  51 #define SIGNAL_INTERFACE_REMOVED                "InterfaceRemoved"
  52 #define SIGNAL_SCAN_DONE                        "ScanDone"
  53 #define SIGNAL_BSS_ADDED                        "BSSAdded"
  54 #define SIGNAL_PROPERTIES_CHANGED               "PropertiesChanged"
  55 #define SIGNAL_PROPERTIES_DRIVER_HANGED         "DriverHanged"
  56 #define SIGNAL_PROPERTIES_SESSION_OVERLAPPED    "SessionOverlapped"
  57 #define SIGNAL_TDLS_CONNECTED                           "TDLSConnected"
  58 #define SIGNAL_TDLS_DISCONNECTED                        "TDLSDisconnected"
  59 #define SIGNAL_TDLS_PEER_FOUND                          "TDLSPeerFound"
  60
  61 #define SIGNAL_WPS_CONNECTED                            "WPSConnected"
  62 #define SIGNAL_WPS_EVENT                                        "Event"
  63 #define SIGNAL_WPS_CREDENTIALS                          "Credentials"
  64
  65 #define CONNMAN_SIGNAL_SERVICES_CHANGED         "ServicesChanged"
  66 #define CONNMAN_SIGNAL_PROPERTY_CHANGED         "PropertyChanged"
  67 #define CONNMAN_SIGNAL_NAME_CHANGED             "NameOwnerChanged"
  68
  69 #define MAX_SIG_LEN 64
  70 #define TOTAL_CONN_SIGNALS 5
  71 #define MAX_SOCKET_OPEN_RETRY 5
  72
  73 typedef enum {
  74         SIG_INTERFACE_REMOVED = 0,
  75         SIG_PROPERTIES_CHANGED,
  76         SIG_BSS_ADDED,
  77         SIG_SCAN_DONE,
  78         SIG_DRIVER_HANGED,
  79         SIG_SESSION_OVERLAPPED,
  80         SIG_TDLS_CONNECTED,
  81         SIG_TDLS_DISCONNECTED,
  82         SIG_TDLS_PEER_FOUND,
  83         SIG_MAX
  84 } SuppSigArrayIndex;
  85
  86 static int conn_subscription_ids[TOTAL_CONN_SIGNALS] = {0};
  87 static const char supplicant_signals[SIG_MAX][MAX_SIG_LEN] = {
  88                 SIGNAL_INTERFACE_REMOVED,
  89                 SIGNAL_PROPERTIES_CHANGED,
  90                 SIGNAL_BSS_ADDED,
  91                 SIGNAL_SCAN_DONE,
  92                 SIGNAL_PROPERTIES_DRIVER_HANGED,
  93                 SIGNAL_PROPERTIES_SESSION_OVERLAPPED,
  94                 SIGNAL_TDLS_CONNECTED,
  95                 SIGNAL_TDLS_DISCONNECTED,
  96                 SIGNAL_TDLS_PEER_FOUND,
  97 };
  98
  99 static int supp_subscription_ids[SIG_MAX] = {0};
 100 #if defined TIZEN_DEBUG_ENABLE
 101 static int dumpservice_subscription_id = 0;
 102 #endif
 103
 104 typedef void (*supplicant_signal_cb)(GDBusConnection *conn,
 105                 const gchar *name, const gchar *path, const gchar *interface,
 106                 const gchar *sig, GVariant *param, gpointer user_data);
 107 typedef void (*connman_signal_cb)(GDBusConnection *conn,
 108                 const gchar *name, const gchar *path, const gchar *interface,
 109                 const gchar *sig, GVariant *param, gpointer user_data);
 110
 111 static void __netconfig_extract_ipv4_signal_data(GVariant *dictionary,
 112                 const gchar *profile)
 113 {
 114         gchar *key = NULL;
 115         const gchar *value = NULL;
 116         GVariant *var = NULL;
 117         GVariantIter iter;
 118         GVariantBuilder *builder;
 119         GVariant *params;
 120
 121         g_variant_iter_init(&iter, dictionary);
 122         while (g_variant_iter_loop(&iter, "{sv}", &key, &var)) {
 123                 if (g_strcmp0(key, "Address") == 0)  {
 124                         g_variant_get(var, "&s", &value);
 125                         char *old_ip = vconf_get_str(VCONFKEY_NETWORK_IP);
 126
 127                         DBG("Old IPv4.Address [%s] Received new IPv4.Address [%s]", old_ip,
 128                                                   value);
 129                         if (g_strcmp0(old_ip, value) != 0) {
 130                                 builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 131
 132                                 if (value != NULL) {
 133                                         vconf_set_str(VCONFKEY_NETWORK_IP, value);
 134                                         g_variant_builder_add(builder, "{sv}", "IPv4Address",
 135                                                                   g_variant_new_string(value));
 136                                 } else if (old_ip != NULL && strlen(old_ip) > 0) {
 137                                         vconf_set_str(VCONFKEY_NETWORK_IP, "");
 138                                         g_variant_builder_add(builder, "{sv}", "IPv4Address",
 139                                                                   g_variant_new_string(""));
 140                                 }
 141
 142                                 params = g_variant_new("(@a{sv})",
 143                                                                            g_variant_builder_end(builder));
 144
 145                                 netconfig_dbus_emit_signal(NULL, NETCONFIG_NETWORK_PATH,
 146                                                    NETCONFIG_NETWORK_INTERFACE, "NetworkConfigChanged",
 147                                                    params);
 148                         }
 149                         free(old_ip);
 150                 }
 151         }
 152 }
 153
 154 static void __netconfig_extract_ipv6_signal_data(GVariant *dictionary,
 155                                                                                                  const gchar *profile)
 156 {
 157         gchar *key = NULL;
 158         const gchar *value = NULL;
 159         GVariant *var = NULL;
 160         GVariantIter iter;
 161         GVariantBuilder *builder;
 162         GVariant *params;
 163
 164         g_variant_iter_init(&iter, dictionary);
 165         while (g_variant_iter_loop(&iter, "{sv}", &key, &var)) {
 166                 if (g_strcmp0(key, "Address") == 0)  {
 167                         g_variant_get(var, "&s", &value);
 168                         char *old_ip6 = vconf_get_str(VCONFKEY_NETWORK_IP6);
 169
 170                         DBG("Old IPv6.Address [%s] Received new IPv6.Address [%s]", old_ip6,
 171                                                         value);
 172                         if (g_strcmp0(old_ip6, value) != 0) {
 173                                 builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 174
 175                                 if (value != NULL) {
 176                                         vconf_set_str(VCONFKEY_NETWORK_IP6, value);
 177                                         g_variant_builder_add(builder, "{sv}", "IPv6Address",
 178                                                                   g_variant_new_string(value));
 179                                 } else if (old_ip6 != NULL && strlen(old_ip6) > 0) {
 180                                         vconf_set_str(VCONFKEY_NETWORK_IP6, "");
 181                                         g_variant_builder_add(builder, "{sv}", "IPv6Address",
 182                                                                   g_variant_new_string(""));
 183                                 }
 184
 185                                 params = g_variant_new("(@a{sv})",
 186                                                                            g_variant_builder_end(builder));
 187
 188                                 netconfig_dbus_emit_signal(NULL, NETCONFIG_NETWORK_PATH,
 189                                                    NETCONFIG_NETWORK_INTERFACE, "NetworkConfigChanged",
 190                                                    params);
 191                         }
 192                         free(old_ip6);
 193                 }
 194         }
 195 }
 196
 197 #if defined TIZEN_DEBUG_ENABLE
 198 static int __netconfig_handle_execute_file(const char *file_path,
 199                 char *const args[], char *const envs[])
 200 {
 201         pid_t pid = 0;
 202         int status = 0;
 203         int rv = 0;
 204         errno = 0;
 205         register unsigned int index = 0;
 206         char error_buf[MAX_SIZE_ERROR_BUFFER] = {0, };
 207
 208         while (args[index] != NULL) {
 209                 DBG("%s", args[index]);
 210                 index++;
 211         }
 212
 213         if (!(pid = fork())) {
 214                 DBG("pid(%d), ppid (%d)", getpid(), getppid());
 215                 DBG("Inside child, exec (%s) command", file_path);
 216
 217                 errno = 0;
 218                 if (execve(file_path, args, envs) == -1) {
 219                         strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 220                         DBG("Fail to execute command (%s)", error_buf);
 221                         exit(1);
 222                 }
 223         } else if (pid > 0) {
 224                 if (waitpid(pid, &status, 0) == -1)
 225                         DBG("wait pid (%u) status (%d)", pid, status);
 226
 227                 if (WIFEXITED(status)) {
 228                         rv = WEXITSTATUS(status);
 229                         DBG("exited, status=%d", rv);
 230                 } else if (WIFSIGNALED(status)) {
 231                         DBG("killed by signal %d", WTERMSIG(status));
 232                 } else if (WIFSTOPPED(status)) {
 233                         DBG("stopped by signal %d", WSTOPSIG(status));
 234                 } else if (WIFCONTINUED(status)) {
 235                         DBG("continued");
 236                 }
 237
 238                 return rv;
 239         }
 240
 241         strerror_r(errno, error_buf, MAX_SIZE_ERROR_BUFFER);
 242         DBG("failed to fork(%s)", error_buf);
 243         return -EIO;
 244 }
 245
 246 static int _start_dump()
 247 {
 248         int rv = 0;
 249         gchar *path = NETWORK_LOG_DUMP_SCRIPT;
 250         char *const args[] = { NETWORK_LOG_DUMP_SCRIPT, NULL };
 251         char *const envs[] = { NULL };
 252
 253         rv = __netconfig_handle_execute_file(path, args, envs);
 254         if (rv < 0) {
 255                 ERR("Fail to execute network log dump shell");
 256                 return -EIO;
 257         }
 258         return 0;
 259 }
 260 #endif
 261
 262 static void _technology_signal_cb(GDBusConnection *conn,
 263                 const gchar *name, const gchar *path, const gchar *interface,
 264                 const gchar *sig, GVariant *param, gpointer user_data)
 265 {
 266         gchar *key = NULL;
 267         gboolean value = FALSE;
 268         GVariant *var = NULL;
 269
 270         if (param == NULL)
 271                 return;
 272
 273         if (g_str_has_prefix(path, CONNMAN_WIFI_TECHNOLOGY_PREFIX) == TRUE) {
 274                 g_variant_get(param, "(sv)", &key, &var);
 275                 if (g_strcmp0(key, "Powered") == 0) {
 276                         /* Power state */
 277                         value = g_variant_get_boolean(var);
 278                         if (value == TRUE)
 279                                 wifi_state_update_power_state(TRUE);
 280                         else
 281                                 wifi_state_update_power_state(FALSE);
 282                 } else if (g_strcmp0(key, "Connected") == 0) {
 283                         /* Connection state */
 284                         value = g_variant_get_boolean(var);
 285                         if (value == TRUE)
 286                                 wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_CONNECTED);
 287                         else
 288                                 wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_POWERED);
 289                 } else if (g_strcmp0(key, "Tethering") == 0) {
 290                         /* Tethering state */
 291                         wifi_state_set_tech_state(NETCONFIG_WIFI_TECH_TETHERED);
 292                 }
 293                 if (key)
 294                         g_free(key);
 295                 if (var)
 296                         g_variant_unref(var);
 297         }
 298 }
 299
 300 static void _service_signal_cb(GDBusConnection *conn,
 301                 const gchar *name, const gchar *path,
 302                 const gchar *interface, const gchar *sig,
 303                 GVariant *param, gpointer user_data)
 304 {
 305         gchar *sigvalue = NULL;
 306         gchar *property;
 307         GVariant *variant = NULL, *var;
 308         GVariantIter *iter;
 309         const gchar *value = NULL;
 310         struct sock_data *sd = NULL;
 311         int idx = 0;
 312
 313         if (path == NULL || param == NULL)
 314                 goto done;
 315
 316         g_variant_get(param, "(sv)", &sigvalue, &variant);
 317         if (sigvalue == NULL)
 318                 goto done;
 319
 320         if (g_strcmp0(sig, CONNMAN_SIGNAL_PROPERTY_CHANGED) != 0)
 321                 goto done;
 322
 323         if (g_strcmp0(sigvalue, "State") == 0) {
 324                 g_variant_get(variant, "s", &property);
 325
 326                 DBG("[%s] %s", property, path);
 327                 if (netconfig_is_wifi_profile(path) || netconfig_is_ethernet_profile(path)) {
 328                         if (g_strcmp0(property, "ready") == 0) {
 329                                 for (idx = 0; idx < MAX_SOCKET_OPEN_RETRY; idx++) {
 330                                         sd = start_ip_conflict_mon();
 331                                         if (sd != NULL)
 332                                                 break;
 333                                 }
 334                         } else if (g_strcmp0(property, "online") == 0) {
 335                                 // do nothing
 336                         } else {
 337                                 stop_ip_conflict_mon();
 338                         }
 339                 }
 340
 341                 if (netconfig_is_wifi_profile(path) == TRUE) {
 342                         int wifi_state = 0;
 343
 344                         netconfig_vconf_get_int(VCONFKEY_WIFI_STATE, &wifi_state);
 345                         if (wifi_state == VCONFKEY_WIFI_OFF) {
 346                                 g_free(property);
 347                                 goto done;
 348                         }
 349
 350                         if (g_strcmp0(property, "ready") == 0 || g_strcmp0(property, "online") == 0) {
 351                                 if (wifi_state >= VCONFKEY_WIFI_CONNECTED) {
 352                                         g_free(property);
 353                                         goto done;
 354                                 }
 355
 356                                 netconfig_update_default_profile(path);
 357
 358                                 wifi_state_set_service_state(NETCONFIG_WIFI_CONNECTED);
 359
 360                         } else if (g_strcmp0(property, "failure") == 0 || g_strcmp0(property, "disconnect") == 0 || g_strcmp0(property, "idle") == 0) {
 361                                 if (netconfig_get_default_profile() == NULL ||
 362                                                 netconfig_is_wifi_profile(netconfig_get_default_profile())
 363                                                 != TRUE) {
 364                                         if (g_strcmp0(property, "failure") == 0)
 365                                                 wifi_state_set_service_state(NETCONFIG_WIFI_FAILURE);
 366                                         else
 367                                                 wifi_state_set_service_state(NETCONFIG_WIFI_IDLE);
 368                                         g_free(property);
 369                                         goto done;
 370                                 }
 371
 372                                 if (g_strcmp0(path, netconfig_get_default_profile()) != 0) {
 373                                         g_free(property);
 374                                         goto done;
 375                                 }
 376
 377                                 netconfig_update_default_profile(NULL);
 378
 379                                 if (g_strcmp0(property, "failure") == 0)
 380                                         wifi_state_set_service_state(NETCONFIG_WIFI_FAILURE);
 381                                 else
 382                                         wifi_state_set_service_state(NETCONFIG_WIFI_IDLE);
 383
 384                         } else if (g_strcmp0(property, "association") == 0 || g_strcmp0(property, "configuration") == 0) {
 385                                 if (netconfig_get_default_profile() == NULL ||
 386                                                 netconfig_is_wifi_profile(netconfig_get_default_profile()) != TRUE) {
 387                                         if (g_strcmp0(property, "association") == 0)
 388                                                 wifi_state_set_service_state(NETCONFIG_WIFI_ASSOCIATION);
 389                                         else
 390                                                 wifi_state_set_service_state(NETCONFIG_WIFI_CONFIGURATION);
 391                                         g_free(property);
 392                                         goto done;
 393                                 }
 394
 395                                 if (g_strcmp0(path, netconfig_get_default_profile()) != 0) {
 396                                         g_free(property);
 397                                         goto done;
 398                                 }
 399
 400                                 netconfig_update_default_profile(NULL);
 401
 402                                 if (g_strcmp0(property, "association") == 0)
 403                                         wifi_state_set_service_state(NETCONFIG_WIFI_ASSOCIATION);
 404                                 else
 405                                         wifi_state_set_service_state(NETCONFIG_WIFI_CONFIGURATION);
 406
 407                         }
 408                 } else {
 409                         if (g_strcmp0(property, "ready") == 0 || g_strcmp0(property, "online") == 0) {
 410                                 if (netconfig_get_default_profile() == NULL) {
 411                                         if (!netconfig_is_cellular_profile(path))
 412                                                 netconfig_update_default_profile(path);
 413                                         else {
 414                                                 if (netconfig_is_cellular_internet_profile(path))
 415                                                         netconfig_update_default_profile(path);
 416                                         }
 417                                 }
 418
 419                                 if (netconfig_is_cellular_profile(path) && netconfig_is_cellular_internet_profile(path))
 420                                         cellular_state_set_service_state(NETCONFIG_CELLULAR_ONLINE);
 421
 422                         } else if (g_strcmp0(property, "failure") == 0 || g_strcmp0(property, "disconnect") == 0 || g_strcmp0(property, "idle") == 0) {
 423                                 if (netconfig_get_default_profile() == NULL) {
 424                                         g_free(property);
 425                                         goto done;
 426                                 }
 427
 428                                 if (netconfig_is_cellular_profile(path) && netconfig_is_cellular_internet_profile(path))
 429                                         cellular_state_set_service_state(NETCONFIG_CELLULAR_IDLE);
 430
 431                                 if (g_strcmp0(path, netconfig_get_default_profile()) != 0) {
 432                                         g_free(property);
 433                                         goto done;
 434                                 }
 435
 436                                 netconfig_update_default_profile(NULL);
 437                         } else if (g_strcmp0(property, "association") == 0 || g_strcmp0(property, "configuration") == 0) {
 438                                 if (netconfig_get_default_profile() == NULL) {
 439                                         g_free(property);
 440                                         goto done;
 441                                 }
 442
 443                                 if (netconfig_is_cellular_profile(path) && netconfig_is_cellular_internet_profile(path))
 444                                         cellular_state_set_service_state(NETCONFIG_CELLULAR_CONNECTING);
 445
 446                                 if (g_strcmp0(path, netconfig_get_default_profile()) != 0) {
 447                                         g_free(property);
 448                                         goto done;
 449                                 }
 450
 451                                 netconfig_update_default_profile(NULL);
 452                         }
 453                 }
 454                 g_free(property);
 455         } else if (g_strcmp0(sigvalue, "Proxy") == 0) {
 456                 if (netconfig_is_wifi_profile(path) != TRUE || g_strcmp0(path, netconfig_get_default_profile()) != 0)
 457                         goto done;
 458
 459                 if (!g_variant_type_equal(variant, G_VARIANT_TYPE_ARRAY))
 460                         goto done;
 461
 462                 g_variant_get(variant, "a{sv}", &iter);
 463                 while (g_variant_iter_loop(iter, "{sv}", &property, &var)) {
 464                         GVariantBuilder *builder;
 465                         GVariant *sig_params;
 466                         if (g_strcmp0(property, "Servers") == 0) {
 467                                 GVariantIter *iter_sub = NULL;
 468
 469                                 builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 470
 471                                 g_variant_get(var, "as", &iter_sub);
 472                                 g_variant_iter_loop(iter_sub, "s", &value);
 473                                 g_variant_iter_free(iter_sub);
 474
 475                                 DBG("Proxy - [%s]", value);
 476                                 vconf_set_str(VCONFKEY_NETWORK_PROXY, value);
 477
 478                                 g_variant_builder_add(builder, "{sv}", "ProxyAddress",
 479                                                                 g_variant_new_string(value));
 480
 481                                 sig_params = g_variant_new("(@a{sv})",
 482                                                                 g_variant_builder_end(builder));
 483
 484                                 netconfig_dbus_emit_signal(NULL, NETCONFIG_NETWORK_PATH,
 485                                                    NETCONFIG_NETWORK_INTERFACE, "NetworkConfigChanged",
 486                                                    sig_params);
 487
 488                                 g_free(property);
 489                                 g_variant_unref(var);
 490                                 break;
 491                         } else if (g_strcmp0(property, "Method") == 0) {
 492                                 value = g_variant_get_string(var, NULL);
 493                                 DBG("Method - [%s]", value);
 494
 495                                 if (g_strcmp0(value, "direct") == 0) {
 496                                         builder = g_variant_builder_new(G_VARIANT_TYPE("a{sv}"));
 497
 498                                         vconf_set_str(VCONFKEY_NETWORK_PROXY, "");
 499                                         g_variant_builder_add(builder, "{sv}", "ProxyAddress",
 500                                                                 g_variant_new_string(""));
 501
 502                                         sig_params = g_variant_new("(@a{sv})",
 503                                                                 g_variant_builder_end(builder));
 504
 505                                         netconfig_dbus_emit_signal(NULL, NETCONFIG_NETWORK_PATH,
 506                                                            NETCONFIG_NETWORK_INTERFACE,
 507                                                            "NetworkConfigChanged", sig_params);
 508                                 }
 509
 510                                 g_free(property);
 511                                 g_variant_unref(var);
 512                                 break;
 513                         }
 514                 }
 515
 516                 g_variant_iter_free(iter);
 517         } else if (g_strcmp0(sigvalue, "IPv4") == 0) {
 518                 __netconfig_extract_ipv4_signal_data(variant, path);
 519         } else if (g_strcmp0(sigvalue, "IPv6") == 0) {
 520                 __netconfig_extract_ipv6_signal_data(variant, path);
 521         } else if (g_strcmp0(sigvalue, "Error") == 0) {
 522                 g_variant_get(variant, "s", &property);
 523                 INFO("[%s] Property : %s", sigvalue, property);
 524 #if defined TIZEN_DEBUG_ENABLE
 525                 if (g_strcmp0(property, "connect-failed") == 0 || g_strcmp0(property, "invalid-key") == 0 || g_strcmp0(property, "auth-failed") == 0)
 526                         _start_dump();
 527 #endif
 528                 g_free(property);
 529         }
 530 done:
 531         if (sigvalue)
 532                 g_free(sigvalue);
 533
 534         if (variant)
 535                 g_variant_unref(variant);
 536
 537         return;
 538 }
 539
 540 static void _dbus_name_changed_cb(GDBusConnection *conn,
 541                 const gchar *Name, const gchar *path, const gchar *interface,
 542                 const gchar *sig, GVariant *param, gpointer user_data)
 543 {
 544         gchar *name = NULL;
 545         gchar *old = NULL;
 546         gchar *new = NULL;
 547
 548         if (param == NULL)
 549                 return;
 550
 551         g_variant_get(param, "(sss)", &name, &old, &new);
 552
 553         if (g_strcmp0(name, CONNMAN_SERVICE) == 0 && *new == '\0') {
 554                 DBG("ConnMan destroyed: name %s, old %s, new %s", name, old, new);
 555
 556                 connman_register_agent();
 557         }
 558         if (name)
 559                 g_free(name);
 560         if (old)
 561                 g_free(old);
 562         if (new)
 563                 g_free(new);
 564
 565         return;
 566 }
 567
 568 static void _services_changed_cb(GDBusConnection *conn, const gchar *name,
 569                 const gchar *path, const gchar *interface, const gchar *sig,
 570                 GVariant *param, gpointer user_data)
 571 {
 572         gchar *property, *value;
 573         gchar *service_path;
 574         GVariant *variant = NULL;
 575         GVariantIter *added = NULL, *removed = NULL, *next = NULL;
 576
 577         if (path == NULL || param == NULL)
 578                 return;
 579
 580         if (g_strcmp0(sig, CONNMAN_SIGNAL_SERVICES_CHANGED) != 0)
 581                 return;
 582
 583         if (netconfig_get_default_profile() != NULL)
 584                 return;
 585
 586         g_variant_get(param, "(a(oa{sv})ao)", &added, &removed);
 587
 588         while (g_variant_iter_loop(added, "(oa{sv})", &service_path, &next)) {
 589                 gboolean is_wifi_prof, is_cell_prof, is_cell_internet_prof;
 590                 is_wifi_prof = netconfig_is_wifi_profile(service_path);
 591                 is_cell_prof = netconfig_is_cellular_profile(service_path);
 592                 is_cell_internet_prof = netconfig_is_cellular_internet_profile(
 593                                 service_path);
 594                 if (service_path != NULL) {
 595                         while (next && g_variant_iter_loop(next, "{sv}", &property,
 596                                                 &variant)) {
 597                                 if (g_strcmp0(property, "State") == 0) {
 598                                         g_variant_get(variant, "s", &value);
 599                                         DBG("Profile %s State %s", service_path,
 600                                                         value);
 601                                         if (g_strcmp0(value, "ready") != 0 &&
 602                                                         g_strcmp0(value,
 603                                                                 "online") != 0) {
 604                                                 g_free(property);
 605                                                 g_free(value);
 606                                                 g_variant_unref(variant);
 607                                                 break;
 608                                         }
 609
 610                                         if (!is_cell_prof)
 611                                                 netconfig_update_default_profile(
 612                                                                 service_path);
 613                                         else if (is_cell_internet_prof) {
 614                                                 netconfig_update_default_profile(
 615                                                                 service_path);
 616                                         }
 617                                         if (is_wifi_prof)
 618                                                 wifi_state_set_service_state(
 619                                                         NETCONFIG_WIFI_CONNECTED);
 620                                         else if (is_cell_prof &&
 621                                                         is_cell_internet_prof)
 622                                                 cellular_state_set_service_state(
 623                                                         NETCONFIG_CELLULAR_ONLINE);
 624                                         g_free(property);
 625                                         g_free(value);
 626                                         g_variant_unref(variant);
 627                                         break;
 628                                 }
 629                         }
 630                 }
 631         }
 632
 633         g_variant_iter_free(added);
 634
 635         if (next)
 636                 g_variant_iter_free(next);
 637
 638         if (removed)
 639                 g_variant_iter_free(removed);
 640
 641         return;
 642 }
 643
 644 static void _supplicant_interface_removed(GDBusConnection *conn,
 645                 const gchar *name, const gchar *path, const gchar *interface,
 646                 const gchar *sig, GVariant *param, gpointer user_data)
 647 {
 648         DBG("Interface removed handling!");
 649         if (netconfig_wifi_is_bssid_scan_started() == TRUE)
 650                 netconfig_wifi_bssid_signal_scanaborted();
 651
 652         return;
 653 }
 654
 655 static void _supplicant_properties_changed(GDBusConnection *conn,
 656                 const gchar *name, const gchar *path, const gchar *interface,
 657                 const gchar *sig, GVariant *param, gpointer user_data)
 658 {
 659         DBG("Properties changed handling!");
 660         gchar *key = NULL;
 661         const gchar *state = NULL;
 662         GVariantIter *iter = NULL;
 663         GVariant *variant = NULL;
 664         gboolean scanning = FALSE;
 665
 666         if (param == NULL)
 667                 return;
 668
 669         g_variant_get(param, "(a{sv})", &iter);
 670         while (g_variant_iter_loop(iter, "{sv}", &key, &variant)) {
 671                 if (g_strcmp0(key, "Scanning") == 0) {
 672                         scanning = g_variant_get_boolean(variant);
 673                         DBG("setting scanning %s", scanning ? "TRUE" : "FALSE");
 674                         if (scanning == TRUE)
 675                                 netconfig_wifi_set_scanning(TRUE);
 676                         else
 677                                 netconfig_wifi_set_scanning(FALSE);
 678
 679                         g_variant_unref(variant);
 680                         g_free(key);
 681                         variant = NULL;
 682                         key = NULL;
 683                         break;
 684                 } else if (g_strcmp0(key, "State") == 0) {
 685                         state = g_variant_get_string(variant, NULL);
 686                         if (state != NULL)
 687                                 ERR("Supplicant state : %s", state);
 688
 689                         g_variant_unref(variant);
 690                         g_free(key);
 691                         variant = NULL;
 692                         key = NULL;
 693                         break;
 694                 } else if (g_strcmp0(key, "DisconnectReason") == 0) {
 695                         int reason = g_variant_get_int32(variant);
 696                         ERR("Supplicant DisconnReason : %d", reason);
 697
 698                         g_variant_unref(variant);
 699                         g_free(key);
 700                         variant = NULL;
 701                         key = NULL;
 702                         break;
 703                 } else {
 704                         gchar *value;
 705                         value = g_variant_print(variant, TRUE);
 706                         DBG("Supplicant %s : %s", key, value);
 707
 708                         g_free(value);
 709                 }
 710         }
 711
 712         g_variant_iter_free(iter);
 713
 714         return;
 715 }
 716
 717 static void _supplicant_bss_added(GDBusConnection *conn,
 718                 const gchar *name, const gchar *path, const gchar *interface,
 719                 const gchar *sig, GVariant *param, gpointer user_data)
 720 {
 721         DBG("BSS added handling!");
 722         wifi_state_set_bss_found(TRUE);
 723
 724         return;
 725 }
 726
 727 static void _supplicant_scan_done(GDBusConnection *conn,
 728                 const gchar *name, const gchar *path, const gchar *interface,
 729                 const gchar *sig, GVariant *param, gpointer user_data)
 730 {
 731         DBG("Scan Done handling!");
 732         netconfig_wifi_set_scanning(FALSE);
 733
 734         if (netconfig_wifi_is_bssid_scan_started() == TRUE) {
 735                 netconfig_wifi_bssid_signal_scandone();
 736                 if (wifi_state_get_technology_state() < NETCONFIG_WIFI_TECH_POWERED)
 737                         return;
 738         }
 739
 740         if (netconfig_wifi_get_bgscan_state() == TRUE) {
 741                 if (wifi_state_get_technology_state() >=
 742                                 NETCONFIG_WIFI_TECH_POWERED)
 743                         netconfig_wifi_bgscan_start(FALSE);
 744
 745                 wifi_start_timer_network_notification();
 746         }
 747
 748         return;
 749 }
 750
 751 static void _supplicant_driver_hanged(GDBusConnection *conn,
 752                 const gchar *name, const gchar *path, const gchar *interface,
 753                 const gchar *sig, GVariant *param, gpointer user_data)
 754 {
 755         DBG("Driver Hanged handling!");
 756         ERR("Critical. Wi-Fi firmware crashed");
 757
 758 #if !defined TIZEN_WEARABLE
 759         netconfig_send_message_to_net_popup("Wi-Fi Error",
 760                 "Wi-Fi Driver Hanged. Please get log dump and report", "popup", NULL);
 761 #endif
 762         wifi_power_recover_firmware();
 763
 764         return;
 765
 766 }
 767
 768 static void _supplicant_session_overlapped(GDBusConnection *conn,
 769                 const gchar *name, const gchar *path, const gchar *interface,
 770                 const gchar *sig, GVariant *param, gpointer user_data)
 771 {
 772         DBG("Driver session overlapped handling!");
 773         ERR("WPS PBC SESSION OVERLAPPED");
 774 #if defined TIZEN_WEARABLE
 775         return;
 776 #else
 777         netconfig_send_message_to_net_popup("WPS Error",
 778                                         "wps session overlapped", "popup", NULL);
 779 #endif
 780 }
 781
 782 #if defined TIZEN_DEBUG_ENABLE
 783 static void __netconfig_dumpservice_handler(GDBusConnection *conn,
 784                 const gchar *name, const gchar *path, const gchar *interface,
 785                 const gchar *sig, GVariant *param, gpointer user_data)
 786 {
 787         int mode;
 788         gchar *signal_path = NULL;
 789
 790         if (param == NULL)
 791                 return;
 792
 793         g_variant_get(param, "(is)", &mode, &signal_path);
 794         DBG("Path: %s and mode: %d", signal_path, mode);
 795
 796         netconfig_dump_log(signal_path);
 797         if (signal_path)
 798                 g_free(signal_path);
 799
 800         return;
 801 }
 802 #endif
 803
 804 static void _supplicant_tdls_connected(GDBusConnection *conn,
 805                 const gchar *name, const gchar *path, const gchar *interface,
 806                 const gchar *sig, GVariant *param, gpointer user_data)
 807 {
 808         DBG("Received TDLS Connected Signal");
 809         netconfig_wifi_tdls_connected_event(param);
 810
 811         return;
 812 }
 813
 814 static void _supplicant_tdls_disconnected(GDBusConnection *conn,
 815                 const gchar *name, const gchar *path, const gchar *interface,
 816                 const gchar *sig, GVariant *param, gpointer user_data)
 817 {
 818         DBG("Received TDLS Disconnected Signal");
 819         netconfig_wifi_tdls_disconnected_event(param);
 820
 821         return;
 822 }
 823
 824 static void _supplicant_tdls_peer_found(GDBusConnection *conn,
 825                 const gchar *name, const gchar *path, const gchar *interface,
 826                 const gchar *sig, GVariant *param, gpointer user_data)
 827 {
 828         DBG("Received TDLS Peer Found Signal");
 829         netconfig_wifi_tdls_peer_found_event(param);
 830         return;
 831 }
 832
 833 static void _supplicant_wifi_wps_connected(GVariant *param)
 834 {
 835         gchar *key;
 836         char ssid[32] = {0, };
 837         gchar *name;
 838         GVariantIter *iter;
 839         GVariant *variant;
 840         int config_error = 0;
 841         int error_indication = 0;
 842         gsize ssid_len = 0;
 843
 844         if (param == NULL) {
 845                 ERR("Param is NULL");
 846                 return;
 847         }
 848
 849         g_variant_get(param, "(sa{sv})", &name, &iter);
 850         INFO("wps Result: %s", name);
 851         while (g_variant_iter_loop(iter, "{sv}", &key, &variant)) {
 852                 INFO("wps Key is %s", key);
 853                 if (g_strcmp0(key, "SSID") == 0) {
 854                         const char *t_key = NULL;
 855                         t_key = g_variant_get_fixed_array(variant, &ssid_len, sizeof(guchar));
 856                         INFO("wps ssid_len is %d ", ssid_len);
 857                         if (t_key == NULL) {
 858                                 g_free(key);
 859                                 g_variant_unref(variant);
 860                                 ERR("WPS PBC Connection Failed");
 861                                 goto error;
 862                         }
 863                         if (ssid_len > 0 && ssid_len <= 32) {
 864                                 memcpy(ssid, t_key, ssid_len);
 865                         } else {
 866                                 memset(ssid, 0, sizeof(ssid));
 867                                 ssid_len = 0;
 868                         }
 869                         INFO("WPS PBC Connection completed with AP %s", ssid);
 870                         netconfig_wifi_notify_wps_completed(ssid, ssid_len);
 871                 }
 872         }
 873
 874         g_variant_iter_free(iter);
 875         g_free(name);
 876         return;
 877
 878 error:
 879         g_variant_iter_free(iter);
 880         g_free(name);
 881         error_indication = WPS_EI_OPERATION_FAILED;
 882         config_error = WPS_CFG_NO_ERROR;
 883         ERR("Error Occured! Notifying Fail Event");
 884         netconfig_wifi_notify_wps_fail_event(config_error, error_indication);
 885
 886 }
 887
 888 static void _supplicant_wifi_wps_event(GVariant *param)
 889 {
 890         gchar *key;
 891         gchar *name;
 892         GVariantIter *iter;
 893         GVariant *variant;
 894         gint32 config_error = 0;
 895         gint32 error_indication = 0;
 896
 897         if (param == NULL) {
 898                 ERR("Param is NULL");
 899                 return;
 900         }
 901
 902         g_variant_get(param, "(sa{sv})", &name, &iter);
 903         INFO("Event Result: %s", name);
 904         if (g_strcmp0(name, "fail") == 0) {
 905                 while (g_variant_iter_loop(iter, "{sv}", &key, &variant)) {
 906                         if (key == NULL)
 907                                 goto error;
 908                         INFO("Key is %s", key);
 909                         if (g_strcmp0(key, "config_error") == 0) {
 910                                 config_error = g_variant_get_int32(variant);
 911                                 ERR("Config Error %d", config_error);
 912                         } else if (g_strcmp0(key, "error_indication") == 0) {
 913                                 error_indication = g_variant_get_int32(variant);
 914                                 ERR("Error Indication %d", error_indication);
 915                         }
 916                 }
 917                 netconfig_wifi_notify_wps_fail_event(config_error, error_indication);
 918         }
 919
 920         g_variant_iter_free(iter);
 921         g_free(name);
 922         return;
 923
 924 error:
 925         g_variant_iter_free(iter);
 926         g_free(name);
 927         error_indication = WPS_EI_OPERATION_FAILED;
 928         config_error = WPS_CFG_NO_ERROR;
 929         ERR("Error Occured! Notifying Fail Event");
 930         netconfig_wifi_notify_wps_fail_event(config_error, error_indication);
 931 }
 932
 933 static void _supplicant_wifi_wps_credentials(GVariant *param)
 934 {
 935         gchar *key;
 936         char ssid[32] = {0, };
 937         char wps_key[100] = {0, };
 938         GVariantIter *iter;
 939         GVariant *variant;
 940         int config_error = 0;
 941         int error_indication = 0;
 942         gsize ssid_len = 0;
 943
 944         if (param == NULL) {
 945                 ERR("Param is NULL");
 946                 return;
 947         }
 948
 949         g_variant_get(param, "(a{sv})", &iter);
 950         while (g_variant_iter_loop(iter, "{sv}", &key, &variant)) {
 951                 if (key == NULL)
 952                         goto error;
 953                 INFO("wps Key is %s", key);
 954                 if (g_strcmp0(key, "Key") == 0) {
 955                         gsize key_len = 0;
 956                         const char *t_key = NULL;
 957                         key_len = g_variant_get_size(variant);
 958
 959                         INFO("wps password len %d ", key_len);
 960                         if (key_len > 0) {
 961                                 t_key = g_variant_get_fixed_array(variant, &key_len, sizeof(guchar));
 962                                 if (!t_key) {
 963                                         g_free(key);
 964                                         g_variant_unref(variant);
 965                                         goto error;
 966                                 }
 967                                 strncpy(wps_key, t_key, key_len);
 968                                 wps_key[key_len] = '\0';
 969                                 INFO("WPS Key in process credentials %s", wps_key);
 970                         } else
 971                                 SLOGI("WPS AP Security ->Open");
 972                 } else if (g_strcmp0(key, "SSID") == 0) {
 973                         const char *t_key = NULL;
 974                         t_key = g_variant_get_fixed_array(variant, &ssid_len, sizeof(guchar));
 975                         INFO("wps ssid_len is %d ", ssid_len);
 976                         if (!t_key) {
 977                                 g_free(key);
 978                                 g_variant_unref(variant);
 979                                 goto error;
 980                         }
 981                         if (ssid_len > 0 && ssid_len <= 32) {
 982                                 memcpy(ssid, t_key, ssid_len);
 983                         } else {
 984                                 memset(ssid, 0, sizeof(ssid));
 985                                 ssid_len = 0;
 986                         }
 987                         INFO("SSID in process credentials %s", ssid);
 988                 }
 989         }
 990
 991         g_variant_iter_free(iter);
 992
 993 #if 0
 994         /*
 995          * Notify WPS Credentials only when requested through WPS PBC
 996          * In case of WPS PIN connman will take care of notification
 997          */
 998         if (netconfig_get_wps_field() == TRUE)
 999 #endif
1000         netconfig_wifi_notify_wps_credentials(ssid, ssid_len, wps_key);
1001         return;
1002
1003 error:
1004         g_variant_iter_free(iter);
1005         error_indication = WPS_EI_OPERATION_FAILED;
1006         config_error = WPS_CFG_NO_ERROR;
1007         ERR("Error Occured! Notifying Fail Event");
1008         netconfig_wifi_notify_wps_fail_event(config_error, error_indication);
1009 }
1010
1011 static void __netconfig_wps_signal_filter_handler(GDBusConnection *conn,
1012                 const gchar *name, const gchar *path, const gchar *interface,
1013                 const gchar *sig, GVariant *param, gpointer user_data)
1014 {
1015         if (g_strcmp0(sig, SIGNAL_WPS_CREDENTIALS) == 0) {
1016                 INFO("Received wps CREDENTIALS Signal from Supplicant");
1017                 _supplicant_wifi_wps_credentials(param);
1018         } else if (g_strcmp0(sig, SIGNAL_WPS_EVENT) == 0) {
1019                 INFO("Received wps EVENT Signal from Supplicant");
1020                 _supplicant_wifi_wps_event(param);
1021         } else if (g_strcmp0(sig, SIGNAL_WPS_CONNECTED) == 0) {
1022                 INFO("Received WPSConnected Signal from Supplicant");
1023                 _supplicant_wifi_wps_connected(param);
1024         }
1025
1026         return;
1027 }
1028
1029 static supplicant_signal_cb supplicant_cbs[SIG_MAX] = {
1030                 _supplicant_interface_removed,
1031                 _supplicant_properties_changed,
1032                 _supplicant_bss_added,
1033                 _supplicant_scan_done,
1034                 _supplicant_driver_hanged,
1035                 _supplicant_session_overlapped,
1036                 _supplicant_tdls_connected,
1037                 _supplicant_tdls_disconnected,
1038                 _supplicant_tdls_peer_found
1039 };
1040
1041 void register_gdbus_signal(void)
1042 {
1043         GDBusConnection *connection = NULL;
1044         const char *interface = NULL;
1045         SuppSigArrayIndex sig;
1046         connection = netdbus_get_connection();
1047
1048         if (connection == NULL) {
1049                 ERR("Failed to get GDbus Connection");
1050                 return;
1051         }
1052
1053         /* listening to messages from all objects as no path is specified */
1054         /* see signals from the given interface */
1055         conn_subscription_ids[0] = g_dbus_connection_signal_subscribe(
1056                         connection,
1057                         CONNMAN_SERVICE,
1058                         CONNMAN_TECHNOLOGY_INTERFACE,
1059                         NULL,
1060                         NULL,
1061                         NULL,
1062                         G_DBUS_SIGNAL_FLAGS_NONE,
1063                         _technology_signal_cb,
1064                         NULL,
1065                         NULL);
1066
1067         conn_subscription_ids[1] = g_dbus_connection_signal_subscribe(
1068                         connection,
1069                         CONNMAN_SERVICE,
1070                         CONNMAN_SERVICE_INTERFACE,
1071                         CONNMAN_SIGNAL_PROPERTY_CHANGED,
1072                         NULL,
1073                         NULL,
1074                         G_DBUS_SIGNAL_FLAGS_NONE,
1075                         _service_signal_cb,
1076                         NULL,
1077                         NULL);
1078
1079         conn_subscription_ids[2] = g_dbus_connection_signal_subscribe(
1080                         connection,
1081                         DBUS_SERVICE_DBUS,
1082                         DBUS_INTERFACE_DBUS,
1083                         CONNMAN_SIGNAL_NAME_CHANGED,
1084                         NULL,
1085                         CONNMAN_SERVICE,
1086                         G_DBUS_SIGNAL_FLAGS_NONE,
1087                         _dbus_name_changed_cb,
1088                         NULL,
1089                         NULL);
1090
1091         conn_subscription_ids[3] = g_dbus_connection_signal_subscribe(
1092                         connection,
1093                         CONNMAN_SERVICE,
1094                         CONNMAN_MANAGER_INTERFACE,
1095                         CONNMAN_SIGNAL_SERVICES_CHANGED,
1096                         NULL,
1097                         NULL,
1098                         G_DBUS_SIGNAL_FLAGS_NONE,
1099                         _services_changed_cb,
1100                         NULL,
1101                         NULL);
1102
1103         INFO("Successfully register connman DBus signal filters");
1104
1105         conn_subscription_ids[4] = g_dbus_connection_signal_subscribe(
1106                         connection,
1107                         SUPPLICANT_SERVICE,
1108                         SUPPLICANT_INTERFACE ".Interface.WPS",
1109                         NULL,
1110                         NULL,
1111                         NULL,
1112                         G_DBUS_SIGNAL_FLAGS_NONE,
1113                         __netconfig_wps_signal_filter_handler,
1114                         NULL,
1115                         NULL);
1116
1117         INFO("Successfully register Supplicant WPS DBus signal filters");
1118
1119         for (sig = SIG_INTERFACE_REMOVED; sig < SIG_MAX; sig++) {
1120                 /*
1121                  * For SIG_INTERFACE_REMOVED INTERFACE_ADDED
1122                  */
1123                 interface = (sig == SIG_INTERFACE_REMOVED) ?
1124                                 SUPPLICANT_INTERFACE : SUPPLICANT_IFACE_INTERFACE;
1125
1126                 supp_subscription_ids[sig] = g_dbus_connection_signal_subscribe(
1127                                 connection,
1128                                 SUPPLICANT_SERVICE,
1129                                 interface,
1130                                 supplicant_signals[sig],
1131                                 NULL,
1132                                 NULL,
1133                                 G_DBUS_SIGNAL_FLAGS_NONE,
1134                                 supplicant_cbs[sig],
1135                                 NULL,
1136                                 NULL);
1137         }
1138
1139         INFO("Successfully register Supplicant DBus signal filters");
1140
1141 #if defined TIZEN_DEBUG_ENABLE
1142         dumpservice_subscription_id = g_dbus_connection_signal_subscribe(
1143                         connection,
1144                         NULL,
1145                         DUMP_SERVICE_INTERFACE,
1146                         DUMP_SIGNAL,
1147                         NULL,
1148                         NULL,
1149                         G_DBUS_SIGNAL_FLAGS_NONE,
1150                         __netconfig_dumpservice_handler,
1151                         NULL,
1152                         NULL);
1153
1154         INFO("Successfully registered Dumpservice DBus signal filter");
1155 #endif
1156
1157         /* In case ConnMan precedes this signal register,
1158          * net-config should update the default connected profile.
1159          */
1160         netconfig_update_default();
1161 }
1162
1163 void deregister_gdbus_signal(void)
1164 {
1165         GDBusConnection *connection = NULL;
1166         int signal;
1167         SuppSigArrayIndex sig;
1168         connection = netdbus_get_connection();
1169         if (!connection) {
1170                 ERR("Already de-registered. Nothing to be done");
1171                 return;
1172         }
1173
1174         for (signal = 0; signal < TOTAL_CONN_SIGNALS; signal++) {
1175                 if (conn_subscription_ids[signal]) {
1176                         g_dbus_connection_signal_unsubscribe(connection,
1177                                                 conn_subscription_ids[signal]);
1178                 }
1179         }
1180
1181         for (sig = SIG_INTERFACE_REMOVED; sig < SIG_MAX; sig++) {
1182                 if (supp_subscription_ids[sig]) {
1183                         g_dbus_connection_signal_unsubscribe(connection,
1184                                                 supp_subscription_ids[sig]);
1185                 }
1186         }
1187
1188 #if defined TIZEN_DEBUG_ENABLE
1189         g_dbus_connection_signal_unsubscribe(connection,
1190                         dumpservice_subscription_id);
1191 #endif
1192 }