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, "dhcp-failed") == 0
 526                         || g_strcmp0(property, "connect-failed") == 0
 527                         || g_strcmp0(property, "login-failed") == 0
 528                         || g_strcmp0(property, "auth-failed") == 0
 529                         || g_strcmp0(property, "invalid-key") == 0) {
 530
 531                         INFO("start dump");
 532                         _start_dump();
 533                 }
 534 #endif
 535                 g_free(property);
 536         }
 537 done:
 538         if (sigvalue)
 539                 g_free(sigvalue);
 540
 541         if (variant)
 542                 g_variant_unref(variant);
 543
 544         return;
 545 }
 546
 547 static void _dbus_name_changed_cb(GDBusConnection *conn,
 548                 const gchar *Name, const gchar *path, const gchar *interface,
 549                 const gchar *sig, GVariant *param, gpointer user_data)
 550 {
 551         gchar *name = NULL;
 552         gchar *old = NULL;
 553         gchar *new = NULL;
 554
 555         if (param == NULL)
 556                 return;
 557
 558         g_variant_get(param, "(sss)", &name, &old, &new);
 559
 560         if (g_strcmp0(name, CONNMAN_SERVICE) == 0 && *new == '\0') {
 561                 DBG("ConnMan destroyed: name %s, old %s, new %s", name, old, new);
 562
 563                 connman_register_agent();
 564         }
 565         if (name)
 566                 g_free(name);
 567         if (old)
 568                 g_free(old);
 569         if (new)
 570                 g_free(new);
 571
 572         return;
 573 }
 574
 575 static void _services_changed_cb(GDBusConnection *conn, const gchar *name,
 576                 const gchar *path, const gchar *interface, const gchar *sig,
 577                 GVariant *param, gpointer user_data)
 578 {
 579         gchar *property, *value;
 580         gchar *service_path;
 581         GVariant *variant = NULL;
 582         GVariantIter *added = NULL, *removed = NULL, *next = NULL;
 583
 584         if (path == NULL || param == NULL)
 585                 return;
 586
 587         if (g_strcmp0(sig, CONNMAN_SIGNAL_SERVICES_CHANGED) != 0)
 588                 return;
 589
 590         if (netconfig_get_default_profile() != NULL)
 591                 return;
 592
 593         g_variant_get(param, "(a(oa{sv})ao)", &added, &removed);
 594
 595         while (g_variant_iter_loop(added, "(oa{sv})", &service_path, &next)) {
 596                 gboolean is_wifi_prof, is_cell_prof, is_cell_internet_prof;
 597                 is_wifi_prof = netconfig_is_wifi_profile(service_path);
 598                 is_cell_prof = netconfig_is_cellular_profile(service_path);
 599                 is_cell_internet_prof = netconfig_is_cellular_internet_profile(
 600                                 service_path);
 601                 if (service_path != NULL) {
 602                         while (next && g_variant_iter_loop(next, "{sv}", &property,
 603                                                 &variant)) {
 604                                 if (g_strcmp0(property, "State") == 0) {
 605                                         g_variant_get(variant, "s", &value);
 606                                         DBG("Profile %s State %s", service_path,
 607                                                         value);
 608                                         if (g_strcmp0(value, "ready") != 0 &&
 609                                                         g_strcmp0(value,
 610                                                                 "online") != 0) {
 611                                                 g_free(property);
 612                                                 g_free(value);
 613                                                 g_variant_unref(variant);
 614                                                 break;
 615                                         }
 616
 617                                         if (!is_cell_prof)
 618                                                 netconfig_update_default_profile(
 619                                                                 service_path);
 620                                         else if (is_cell_internet_prof) {
 621                                                 netconfig_update_default_profile(
 622                                                                 service_path);
 623                                         }
 624                                         if (is_wifi_prof)
 625                                                 wifi_state_set_service_state(
 626                                                         NETCONFIG_WIFI_CONNECTED);
 627                                         else if (is_cell_prof &&
 628                                                         is_cell_internet_prof)
 629                                                 cellular_state_set_service_state(
 630                                                         NETCONFIG_CELLULAR_ONLINE);
 631                                         g_free(property);
 632                                         g_free(value);
 633                                         g_variant_unref(variant);
 634                                         break;
 635                                 }
 636                         }
 637                 }
 638         }
 639
 640         g_variant_iter_free(added);
 641
 642         if (next)
 643                 g_variant_iter_free(next);
 644
 645         if (removed)
 646                 g_variant_iter_free(removed);
 647
 648         return;
 649 }
 650
 651 static void _supplicant_interface_removed(GDBusConnection *conn,
 652                 const gchar *name, const gchar *path, const gchar *interface,
 653                 const gchar *sig, GVariant *param, gpointer user_data)
 654 {
 655         DBG("Interface removed handling!");
 656         if (netconfig_wifi_is_bssid_scan_started() == TRUE)
 657                 netconfig_wifi_bssid_signal_scanaborted();
 658
 659         return;
 660 }
 661
 662 static void _supplicant_properties_changed(GDBusConnection *conn,
 663                 const gchar *name, const gchar *path, const gchar *interface,
 664                 const gchar *sig, GVariant *param, gpointer user_data)
 665 {
 666         DBG("Properties changed handling!");
 667         gchar *key = NULL;
 668         const gchar *state = NULL;
 669         GVariantIter *iter = NULL;
 670         GVariant *variant = NULL;
 671         gboolean scanning = FALSE;
 672
 673         if (param == NULL)
 674                 return;
 675
 676         g_variant_get(param, "(a{sv})", &iter);
 677         while (g_variant_iter_loop(iter, "{sv}", &key, &variant)) {
 678                 if (g_strcmp0(key, "Scanning") == 0) {
 679                         scanning = g_variant_get_boolean(variant);
 680                         DBG("setting scanning %s", scanning ? "TRUE" : "FALSE");
 681                         if (scanning == TRUE)
 682                                 netconfig_wifi_set_scanning(TRUE);
 683                         else
 684                                 netconfig_wifi_set_scanning(FALSE);
 685
 686                         g_variant_unref(variant);
 687                         g_free(key);
 688                         variant = NULL;
 689                         key = NULL;
 690                         break;
 691                 } else if (g_strcmp0(key, "State") == 0) {
 692                         state = g_variant_get_string(variant, NULL);
 693                         if (state != NULL)
 694                                 ERR("Supplicant state : %s", state);
 695
 696                         g_variant_unref(variant);
 697                         g_free(key);
 698                         variant = NULL;
 699                         key = NULL;
 700                         break;
 701                 } else if (g_strcmp0(key, "DisconnectReason") == 0) {
 702                         int reason = g_variant_get_int32(variant);
 703                         ERR("Supplicant DisconnReason : %d", reason);
 704
 705                         g_variant_unref(variant);
 706                         g_free(key);
 707                         variant = NULL;
 708                         key = NULL;
 709                         break;
 710                 } else {
 711                         gchar *value;
 712                         value = g_variant_print(variant, TRUE);
 713                         DBG("Supplicant %s : %s", key, value);
 714
 715                         g_free(value);
 716                 }
 717         }
 718
 719         g_variant_iter_free(iter);
 720
 721         return;
 722 }
 723
 724 static void _supplicant_bss_added(GDBusConnection *conn,
 725                 const gchar *name, const gchar *path, const gchar *interface,
 726                 const gchar *sig, GVariant *param, gpointer user_data)
 727 {
 728         DBG("BSS added handling!");
 729         wifi_state_set_bss_found(TRUE);
 730
 731         return;
 732 }
 733
 734 static void _supplicant_scan_done(GDBusConnection *conn,
 735                 const gchar *name, const gchar *path, const gchar *interface,
 736                 const gchar *sig, GVariant *param, gpointer user_data)
 737 {
 738         DBG("Scan Done handling!");
 739         netconfig_wifi_set_scanning(FALSE);
 740
 741         if (netconfig_wifi_is_bssid_scan_started() == TRUE) {
 742                 netconfig_wifi_bssid_signal_scandone();
 743                 if (wifi_state_get_technology_state() < NETCONFIG_WIFI_TECH_POWERED)
 744                         return;
 745         }
 746
 747         if (netconfig_wifi_get_bgscan_state() == TRUE) {
 748                 if (wifi_state_get_technology_state() >=
 749                                 NETCONFIG_WIFI_TECH_POWERED)
 750                         netconfig_wifi_bgscan_start(FALSE);
 751
 752                 wifi_start_timer_network_notification();
 753         }
 754
 755         return;
 756 }
 757
 758 static void _supplicant_driver_hanged(GDBusConnection *conn,
 759                 const gchar *name, const gchar *path, const gchar *interface,
 760                 const gchar *sig, GVariant *param, gpointer user_data)
 761 {
 762         DBG("Driver Hanged handling!");
 763         ERR("Critical. Wi-Fi firmware crashed");
 764
 765 #if !defined TIZEN_WEARABLE
 766         netconfig_send_message_to_net_popup("Wi-Fi Error",
 767                 "Wi-Fi Driver Hanged. Please get log dump and report", "popup", NULL);
 768 #endif
 769         wifi_power_recover_firmware();
 770
 771         return;
 772
 773 }
 774
 775 static void _supplicant_session_overlapped(GDBusConnection *conn,
 776                 const gchar *name, const gchar *path, const gchar *interface,
 777                 const gchar *sig, GVariant *param, gpointer user_data)
 778 {
 779         DBG("Driver session overlapped handling!");
 780         ERR("WPS PBC SESSION OVERLAPPED");
 781 #if defined TIZEN_WEARABLE
 782         return;
 783 #else
 784         netconfig_send_message_to_net_popup("WPS Error",
 785                                         "wps session overlapped", "popup", NULL);
 786 #endif
 787 }
 788
 789 #if defined TIZEN_DEBUG_ENABLE
 790 static void __netconfig_dumpservice_handler(GDBusConnection *conn,
 791                 const gchar *name, const gchar *path, const gchar *interface,
 792                 const gchar *sig, GVariant *param, gpointer user_data)
 793 {
 794         int mode;
 795         gchar *signal_path = NULL;
 796
 797         if (param == NULL)
 798                 return;
 799
 800         g_variant_get(param, "(is)", &mode, &signal_path);
 801         DBG("Path: %s and mode: %d", signal_path, mode);
 802
 803         netconfig_dump_log(signal_path);
 804         if (signal_path)
 805                 g_free(signal_path);
 806
 807         return;
 808 }
 809 #endif
 810
 811 static void _supplicant_tdls_connected(GDBusConnection *conn,
 812                 const gchar *name, const gchar *path, const gchar *interface,
 813                 const gchar *sig, GVariant *param, gpointer user_data)
 814 {
 815         DBG("Received TDLS Connected Signal");
 816         netconfig_wifi_tdls_connected_event(param);
 817
 818         return;
 819 }
 820
 821 static void _supplicant_tdls_disconnected(GDBusConnection *conn,
 822                 const gchar *name, const gchar *path, const gchar *interface,
 823                 const gchar *sig, GVariant *param, gpointer user_data)
 824 {
 825         DBG("Received TDLS Disconnected Signal");
 826         netconfig_wifi_tdls_disconnected_event(param);
 827
 828         return;
 829 }
 830
 831 static void _supplicant_tdls_peer_found(GDBusConnection *conn,
 832                 const gchar *name, const gchar *path, const gchar *interface,
 833                 const gchar *sig, GVariant *param, gpointer user_data)
 834 {
 835         DBG("Received TDLS Peer Found Signal");
 836         netconfig_wifi_tdls_peer_found_event(param);
 837         return;
 838 }
 839
 840 static void _supplicant_wifi_wps_connected(GVariant *param)
 841 {
 842         gchar *key;
 843         char ssid[32] = {0, };
 844         gchar *name;
 845         GVariantIter *iter;
 846         GVariant *variant;
 847         int config_error = 0;
 848         int error_indication = 0;
 849         gsize ssid_len = 0;
 850
 851         if (param == NULL) {
 852                 ERR("Param is NULL");
 853                 return;
 854         }
 855
 856         g_variant_get(param, "(sa{sv})", &name, &iter);
 857         INFO("wps Result: %s", name);
 858         while (g_variant_iter_loop(iter, "{sv}", &key, &variant)) {
 859                 INFO("wps Key is %s", key);
 860                 if (g_strcmp0(key, "SSID") == 0) {
 861                         const char *t_key = NULL;
 862                         t_key = g_variant_get_fixed_array(variant, &ssid_len, sizeof(guchar));
 863                         INFO("wps ssid_len is %d ", ssid_len);
 864                         if (t_key == NULL) {
 865                                 g_free(key);
 866                                 g_variant_unref(variant);
 867                                 ERR("WPS PBC Connection Failed");
 868                                 goto error;
 869                         }
 870                         if (ssid_len > 0 && ssid_len <= 32) {
 871                                 memcpy(ssid, t_key, ssid_len);
 872                         } else {
 873                                 memset(ssid, 0, sizeof(ssid));
 874                                 ssid_len = 0;
 875                         }
 876                         INFO("WPS PBC Connection completed with AP %s", ssid);
 877                         netconfig_wifi_notify_wps_completed(ssid, ssid_len);
 878                 }
 879         }
 880
 881         g_variant_iter_free(iter);
 882         g_free(name);
 883         return;
 884
 885 error:
 886         g_variant_iter_free(iter);
 887         g_free(name);
 888         error_indication = WPS_EI_OPERATION_FAILED;
 889         config_error = WPS_CFG_NO_ERROR;
 890         ERR("Error Occured! Notifying Fail Event");
 891         netconfig_wifi_notify_wps_fail_event(config_error, error_indication);
 892
 893 }
 894
 895 static void _supplicant_wifi_wps_event(GVariant *param)
 896 {
 897         gchar *key;
 898         gchar *name;
 899         GVariantIter *iter;
 900         GVariant *variant;
 901         gint32 config_error = 0;
 902         gint32 error_indication = 0;
 903
 904         if (param == NULL) {
 905                 ERR("Param is NULL");
 906                 return;
 907         }
 908
 909         g_variant_get(param, "(sa{sv})", &name, &iter);
 910         INFO("Event Result: %s", name);
 911         if (g_strcmp0(name, "fail") == 0) {
 912                 while (g_variant_iter_loop(iter, "{sv}", &key, &variant)) {
 913                         if (key == NULL)
 914                                 goto error;
 915                         INFO("Key is %s", key);
 916                         if (g_strcmp0(key, "config_error") == 0) {
 917                                 config_error = g_variant_get_int32(variant);
 918                                 ERR("Config Error %d", config_error);
 919                         } else if (g_strcmp0(key, "error_indication") == 0) {
 920                                 error_indication = g_variant_get_int32(variant);
 921                                 ERR("Error Indication %d", error_indication);
 922                         }
 923                 }
 924                 netconfig_wifi_notify_wps_fail_event(config_error, error_indication);
 925         }
 926
 927         g_variant_iter_free(iter);
 928         g_free(name);
 929         return;
 930
 931 error:
 932         g_variant_iter_free(iter);
 933         g_free(name);
 934         error_indication = WPS_EI_OPERATION_FAILED;
 935         config_error = WPS_CFG_NO_ERROR;
 936         ERR("Error Occured! Notifying Fail Event");
 937         netconfig_wifi_notify_wps_fail_event(config_error, error_indication);
 938 }
 939
 940 static void _supplicant_wifi_wps_credentials(GVariant *param)
 941 {
 942         gchar *key;
 943         char ssid[32] = {0, };
 944         char wps_key[100] = {0, };
 945         GVariantIter *iter;
 946         GVariant *variant;
 947         int config_error = 0;
 948         int error_indication = 0;
 949         gsize ssid_len = 0;
 950
 951         if (param == NULL) {
 952                 ERR("Param is NULL");
 953                 return;
 954         }
 955
 956         g_variant_get(param, "(a{sv})", &iter);
 957         while (g_variant_iter_loop(iter, "{sv}", &key, &variant)) {
 958                 if (key == NULL)
 959                         goto error;
 960                 INFO("wps Key is %s", key);
 961                 if (g_strcmp0(key, "Key") == 0) {
 962                         gsize key_len = 0;
 963                         const char *t_key = NULL;
 964                         key_len = g_variant_get_size(variant);
 965
 966                         INFO("wps password len %d ", key_len);
 967                         if (key_len > 0) {
 968                                 t_key = g_variant_get_fixed_array(variant, &key_len, sizeof(guchar));
 969                                 if (!t_key) {
 970                                         g_free(key);
 971                                         g_variant_unref(variant);
 972                                         goto error;
 973                                 }
 974                                 strncpy(wps_key, t_key, key_len);
 975                                 wps_key[key_len] = '\0';
 976                                 INFO("WPS Key in process credentials %s", wps_key);
 977                         } else
 978                                 SLOGI("WPS AP Security ->Open");
 979                 } else if (g_strcmp0(key, "SSID") == 0) {
 980                         const char *t_key = NULL;
 981                         t_key = g_variant_get_fixed_array(variant, &ssid_len, sizeof(guchar));
 982                         INFO("wps ssid_len is %d ", ssid_len);
 983                         if (!t_key) {
 984                                 g_free(key);
 985                                 g_variant_unref(variant);
 986                                 goto error;
 987                         }
 988                         if (ssid_len > 0 && ssid_len <= 32) {
 989                                 memcpy(ssid, t_key, ssid_len);
 990                         } else {
 991                                 memset(ssid, 0, sizeof(ssid));
 992                                 ssid_len = 0;
 993                         }
 994                         INFO("SSID in process credentials %s", ssid);
 995                 }
 996         }
 997
 998         g_variant_iter_free(iter);
 999
1000 #if 0
1001         /*
1002          * Notify WPS Credentials only when requested through WPS PBC
1003          * In case of WPS PIN connman will take care of notification
1004          */
1005         if (netconfig_get_wps_field() == TRUE)
1006 #endif
1007         netconfig_wifi_notify_wps_credentials(ssid, ssid_len, wps_key);
1008         return;
1009
1010 error:
1011         g_variant_iter_free(iter);
1012         error_indication = WPS_EI_OPERATION_FAILED;
1013         config_error = WPS_CFG_NO_ERROR;
1014         ERR("Error Occured! Notifying Fail Event");
1015         netconfig_wifi_notify_wps_fail_event(config_error, error_indication);
1016 }
1017
1018 static void __netconfig_wps_signal_filter_handler(GDBusConnection *conn,
1019                 const gchar *name, const gchar *path, const gchar *interface,
1020                 const gchar *sig, GVariant *param, gpointer user_data)
1021 {
1022         if (g_strcmp0(sig, SIGNAL_WPS_CREDENTIALS) == 0) {
1023                 INFO("Received wps CREDENTIALS Signal from Supplicant");
1024                 _supplicant_wifi_wps_credentials(param);
1025         } else if (g_strcmp0(sig, SIGNAL_WPS_EVENT) == 0) {
1026                 INFO("Received wps EVENT Signal from Supplicant");
1027                 _supplicant_wifi_wps_event(param);
1028         } else if (g_strcmp0(sig, SIGNAL_WPS_CONNECTED) == 0) {
1029                 INFO("Received WPSConnected Signal from Supplicant");
1030                 _supplicant_wifi_wps_connected(param);
1031         }
1032
1033         return;
1034 }
1035
1036 static supplicant_signal_cb supplicant_cbs[SIG_MAX] = {
1037                 _supplicant_interface_removed,
1038                 _supplicant_properties_changed,
1039                 _supplicant_bss_added,
1040                 _supplicant_scan_done,
1041                 _supplicant_driver_hanged,
1042                 _supplicant_session_overlapped,
1043                 _supplicant_tdls_connected,
1044                 _supplicant_tdls_disconnected,
1045                 _supplicant_tdls_peer_found
1046 };
1047
1048 void register_gdbus_signal(void)
1049 {
1050         GDBusConnection *connection = NULL;
1051         const char *interface = NULL;
1052         SuppSigArrayIndex sig;
1053         connection = netdbus_get_connection();
1054
1055         if (connection == NULL) {
1056                 ERR("Failed to get GDbus Connection");
1057                 return;
1058         }
1059
1060         /* listening to messages from all objects as no path is specified */
1061         /* see signals from the given interface */
1062         conn_subscription_ids[0] = g_dbus_connection_signal_subscribe(
1063                         connection,
1064                         CONNMAN_SERVICE,
1065                         CONNMAN_TECHNOLOGY_INTERFACE,
1066                         NULL,
1067                         NULL,
1068                         NULL,
1069                         G_DBUS_SIGNAL_FLAGS_NONE,
1070                         _technology_signal_cb,
1071                         NULL,
1072                         NULL);
1073
1074         conn_subscription_ids[1] = g_dbus_connection_signal_subscribe(
1075                         connection,
1076                         CONNMAN_SERVICE,
1077                         CONNMAN_SERVICE_INTERFACE,
1078                         CONNMAN_SIGNAL_PROPERTY_CHANGED,
1079                         NULL,
1080                         NULL,
1081                         G_DBUS_SIGNAL_FLAGS_NONE,
1082                         _service_signal_cb,
1083                         NULL,
1084                         NULL);
1085
1086         conn_subscription_ids[2] = g_dbus_connection_signal_subscribe(
1087                         connection,
1088                         DBUS_SERVICE_DBUS,
1089                         DBUS_INTERFACE_DBUS,
1090                         CONNMAN_SIGNAL_NAME_CHANGED,
1091                         NULL,
1092                         CONNMAN_SERVICE,
1093                         G_DBUS_SIGNAL_FLAGS_NONE,
1094                         _dbus_name_changed_cb,
1095                         NULL,
1096                         NULL);
1097
1098         conn_subscription_ids[3] = g_dbus_connection_signal_subscribe(
1099                         connection,
1100                         CONNMAN_SERVICE,
1101                         CONNMAN_MANAGER_INTERFACE,
1102                         CONNMAN_SIGNAL_SERVICES_CHANGED,
1103                         NULL,
1104                         NULL,
1105                         G_DBUS_SIGNAL_FLAGS_NONE,
1106                         _services_changed_cb,
1107                         NULL,
1108                         NULL);
1109
1110         INFO("Successfully register connman DBus signal filters");
1111
1112         conn_subscription_ids[4] = g_dbus_connection_signal_subscribe(
1113                         connection,
1114                         SUPPLICANT_SERVICE,
1115                         SUPPLICANT_INTERFACE ".Interface.WPS",
1116                         NULL,
1117                         NULL,
1118                         NULL,
1119                         G_DBUS_SIGNAL_FLAGS_NONE,
1120                         __netconfig_wps_signal_filter_handler,
1121                         NULL,
1122                         NULL);
1123
1124         INFO("Successfully register Supplicant WPS DBus signal filters");
1125
1126         for (sig = SIG_INTERFACE_REMOVED; sig < SIG_MAX; sig++) {
1127                 /*
1128                  * For SIG_INTERFACE_REMOVED INTERFACE_ADDED
1129                  */
1130                 interface = (sig == SIG_INTERFACE_REMOVED) ?
1131                                 SUPPLICANT_INTERFACE : SUPPLICANT_IFACE_INTERFACE;
1132
1133                 supp_subscription_ids[sig] = g_dbus_connection_signal_subscribe(
1134                                 connection,
1135                                 SUPPLICANT_SERVICE,
1136                                 interface,
1137                                 supplicant_signals[sig],
1138                                 NULL,
1139                                 NULL,
1140                                 G_DBUS_SIGNAL_FLAGS_NONE,
1141                                 supplicant_cbs[sig],
1142                                 NULL,
1143                                 NULL);
1144         }
1145
1146         INFO("Successfully register Supplicant DBus signal filters");
1147
1148 #if defined TIZEN_DEBUG_ENABLE
1149         dumpservice_subscription_id = g_dbus_connection_signal_subscribe(
1150                         connection,
1151                         NULL,
1152                         DUMP_SERVICE_INTERFACE,
1153                         DUMP_SIGNAL,
1154                         NULL,
1155                         NULL,
1156                         G_DBUS_SIGNAL_FLAGS_NONE,
1157                         __netconfig_dumpservice_handler,
1158                         NULL,
1159                         NULL);
1160
1161         INFO("Successfully registered Dumpservice DBus signal filter");
1162 #endif
1163
1164         /* In case ConnMan precedes this signal register,
1165          * net-config should update the default connected profile.
1166          */
1167         netconfig_update_default();
1168 }
1169
1170 void deregister_gdbus_signal(void)
1171 {
1172         GDBusConnection *connection = NULL;
1173         int signal;
1174         SuppSigArrayIndex sig;
1175         connection = netdbus_get_connection();
1176         if (!connection) {
1177                 ERR("Already de-registered. Nothing to be done");
1178                 return;
1179         }
1180
1181         for (signal = 0; signal < TOTAL_CONN_SIGNALS; signal++) {
1182                 if (conn_subscription_ids[signal]) {
1183                         g_dbus_connection_signal_unsubscribe(connection,
1184                                                 conn_subscription_ids[signal]);
1185                 }
1186         }
1187
1188         for (sig = SIG_INTERFACE_REMOVED; sig < SIG_MAX; sig++) {
1189                 if (supp_subscription_ids[sig]) {
1190                         g_dbus_connection_signal_unsubscribe(connection,
1191                                                 supp_subscription_ids[sig]);
1192                 }
1193         }
1194
1195 #if defined TIZEN_DEBUG_ENABLE
1196         g_dbus_connection_signal_unsubscribe(connection,
1197                         dumpservice_subscription_id);
1198 #endif
1199 }