src/service.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <stdio.h>
  28 #include <string.h>
  29 #include <netdb.h>
  30 #include <gdbus.h>
  31
  32 #include <connman/storage.h>
  33
  34 #include "connman.h"
  35
  36 #define CONNECT_TIMEOUT         120
  37
  38 static DBusConnection *connection = NULL;
  39
  40 static GSequence *service_list = NULL;
  41 static GHashTable *service_hash = NULL;
  42 static GSList *counter_list = NULL;
  43
  44 struct connman_stats {
  45         connman_bool_t valid;
  46         connman_bool_t enabled;
  47         struct connman_stats_data data_last;
  48         struct connman_stats_data data;
  49         GTimer *timer;
  50 };
  51
  52 struct connman_stats_counter {
  53         connman_bool_t append_all;
  54         struct connman_stats stats;
  55         struct connman_stats stats_roaming;
  56 };
  57
  58 struct connman_service {
  59         int refcount;
  60         int session_usage_count;
  61         char *identifier;
  62         char *path;
  63         enum connman_service_type type;
  64         enum connman_service_security security;
  65         enum connman_service_state state;
  66         enum connman_service_state state_ipv4;
  67         enum connman_service_state state_ipv6;
  68         enum connman_service_error error;
  69         connman_uint8_t strength;
  70         connman_bool_t favorite;
  71         connman_bool_t immutable;
  72         connman_bool_t hidden;
  73         connman_bool_t ignore;
  74         connman_bool_t autoconnect;
  75         connman_bool_t userconnect;
  76         GTimeVal modified;
  77         unsigned int order;
  78         char *name;
  79         char *passphrase;
  80         char *agent_passphrase;
  81         connman_bool_t roaming;
  82         struct connman_ipconfig *ipconfig_ipv4;
  83         struct connman_ipconfig *ipconfig_ipv6;
  84         struct connman_network *network;
  85         struct connman_provider *provider;
  86         char **nameservers;
  87         char **nameservers_config;
  88         char **nameservers_auto;
  89         char **domains;
  90         char *domainname;
  91         char **timeservers;
  92         /* 802.1x settings from the config files */
  93         char *eap;
  94         char *identity;
  95         char *agent_identity;
  96         char *ca_cert_file;
  97         char *client_cert_file;
  98         char *private_key_file;
  99         char *private_key_passphrase;
 100         char *phase2;
 101         DBusMessage *pending;
 102         guint timeout;
 103         struct connman_stats stats;
 104         struct connman_stats stats_roaming;
 105         GHashTable *counter_table;
 106         enum connman_service_proxy_method proxy;
 107         enum connman_service_proxy_method proxy_config;
 108         char **proxies;
 109         char **excludes;
 110         char *pac;
 111         connman_bool_t wps;
 112         int online_check_count;
 113 };
 114
 115 struct find_data {
 116         const char *path;
 117         struct connman_service *service;
 118 };
 119
 120 static void compare_path(gpointer value, gpointer user_data)
 121 {
 122         struct connman_service *service = value;
 123         struct find_data *data = user_data;
 124
 125         if (data->service != NULL)
 126                 return;
 127
 128         if (g_strcmp0(service->path, data->path) == 0)
 129                 data->service = service;
 130 }
 131
 132 static struct connman_service *find_service(const char *path)
 133 {
 134         struct find_data data = { .path = path, .service = NULL };
 135
 136         DBG("path %s", path);
 137
 138         g_sequence_foreach(service_list, compare_path, &data);
 139
 140         return data.service;
 141 }
 142
 143 const char *__connman_service_type2string(enum connman_service_type type)
 144 {
 145         switch (type) {
 146         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 147                 break;
 148         case CONNMAN_SERVICE_TYPE_SYSTEM:
 149                 return "system";
 150         case CONNMAN_SERVICE_TYPE_ETHERNET:
 151                 return "ethernet";
 152         case CONNMAN_SERVICE_TYPE_WIFI:
 153                 return "wifi";
 154         case CONNMAN_SERVICE_TYPE_WIMAX:
 155                 return "wimax";
 156         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 157                 return "bluetooth";
 158         case CONNMAN_SERVICE_TYPE_CELLULAR:
 159                 return "cellular";
 160         case CONNMAN_SERVICE_TYPE_GPS:
 161                 return "gps";
 162         case CONNMAN_SERVICE_TYPE_VPN:
 163                 return "vpn";
 164         case CONNMAN_SERVICE_TYPE_GADGET:
 165                 return "gadget";
 166         }
 167
 168         return NULL;
 169 }
 170
 171 static const char *security2string(enum connman_service_security security)
 172 {
 173         switch (security) {
 174         case CONNMAN_SERVICE_SECURITY_UNKNOWN:
 175                 break;
 176         case CONNMAN_SERVICE_SECURITY_NONE:
 177                 return "none";
 178         case CONNMAN_SERVICE_SECURITY_WEP:
 179                 return "wep";
 180         case CONNMAN_SERVICE_SECURITY_PSK:
 181         case CONNMAN_SERVICE_SECURITY_WPA:
 182         case CONNMAN_SERVICE_SECURITY_RSN:
 183                 return "psk";
 184         case CONNMAN_SERVICE_SECURITY_8021X:
 185                 return "ieee8021x";
 186         }
 187
 188         return NULL;
 189 }
 190
 191 static const char *state2string(enum connman_service_state state)
 192 {
 193         switch (state) {
 194         case CONNMAN_SERVICE_STATE_UNKNOWN:
 195                 break;
 196         case CONNMAN_SERVICE_STATE_IDLE:
 197                 return "idle";
 198         case CONNMAN_SERVICE_STATE_ASSOCIATION:
 199                 return "association";
 200         case CONNMAN_SERVICE_STATE_CONFIGURATION:
 201                 return "configuration";
 202         case CONNMAN_SERVICE_STATE_READY:
 203                 return "ready";
 204         case CONNMAN_SERVICE_STATE_ONLINE:
 205                 return "online";
 206         case CONNMAN_SERVICE_STATE_DISCONNECT:
 207                 return "disconnect";
 208         case CONNMAN_SERVICE_STATE_FAILURE:
 209                 return "failure";
 210         }
 211
 212         return NULL;
 213 }
 214
 215 static const char *error2string(enum connman_service_error error)
 216 {
 217         switch (error) {
 218         case CONNMAN_SERVICE_ERROR_UNKNOWN:
 219                 break;
 220         case CONNMAN_SERVICE_ERROR_OUT_OF_RANGE:
 221                 return "out-of-range";
 222         case CONNMAN_SERVICE_ERROR_PIN_MISSING:
 223                 return "pin-missing";
 224         case CONNMAN_SERVICE_ERROR_DHCP_FAILED:
 225                 return "dhcp-failed";
 226         case CONNMAN_SERVICE_ERROR_CONNECT_FAILED:
 227                 return "connect-failed";
 228         case CONNMAN_SERVICE_ERROR_LOGIN_FAILED:
 229                 return "login-failed";
 230         case CONNMAN_SERVICE_ERROR_AUTH_FAILED:
 231                 return "auth-failed";
 232         case CONNMAN_SERVICE_ERROR_INVALID_KEY:
 233                 return "invalid-key";
 234         }
 235
 236         return NULL;
 237 }
 238
 239 static enum connman_service_error string2error(const char *error)
 240 {
 241         if (g_strcmp0(error, "dhcp-failed") == 0)
 242                 return CONNMAN_SERVICE_ERROR_DHCP_FAILED;
 243         else if (g_strcmp0(error, "pin-missing") == 0)
 244                 return CONNMAN_SERVICE_ERROR_PIN_MISSING;
 245         else if (g_strcmp0(error, "invalid-key") == 0)
 246                 return CONNMAN_SERVICE_ERROR_INVALID_KEY;
 247
 248         return CONNMAN_SERVICE_ERROR_UNKNOWN;
 249 }
 250
 251 static const char *proxymethod2string(enum connman_service_proxy_method method)
 252 {
 253         switch (method) {
 254         case CONNMAN_SERVICE_PROXY_METHOD_DIRECT:
 255                 return "direct";
 256         case CONNMAN_SERVICE_PROXY_METHOD_MANUAL:
 257                 return "manual";
 258         case CONNMAN_SERVICE_PROXY_METHOD_AUTO:
 259                 return "auto";
 260         case CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN:
 261                 break;
 262         }
 263
 264         return NULL;
 265 }
 266
 267 static enum connman_service_proxy_method string2proxymethod(const char *method)
 268 {
 269         if (g_strcmp0(method, "direct") == 0)
 270                 return CONNMAN_SERVICE_PROXY_METHOD_DIRECT;
 271         else if (g_strcmp0(method, "auto") == 0)
 272                 return CONNMAN_SERVICE_PROXY_METHOD_AUTO;
 273         else if (g_strcmp0(method, "manual") == 0)
 274                 return CONNMAN_SERVICE_PROXY_METHOD_MANUAL;
 275         else
 276                 return CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN;
 277 }
 278
 279 static int service_load(struct connman_service *service)
 280 {
 281         GKeyFile *keyfile;
 282         GError *error = NULL;
 283         gsize length;
 284         gchar *str;
 285         connman_bool_t autoconnect;
 286         unsigned int ssid_len;
 287         int err = 0;
 288
 289         DBG("service %p", service);
 290
 291         keyfile = connman_storage_load_service(service->identifier);
 292         if (keyfile == NULL)
 293                 return -EIO;
 294
 295         switch (service->type) {
 296         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 297         case CONNMAN_SERVICE_TYPE_SYSTEM:
 298         case CONNMAN_SERVICE_TYPE_ETHERNET:
 299         case CONNMAN_SERVICE_TYPE_GPS:
 300         case CONNMAN_SERVICE_TYPE_VPN:
 301         case CONNMAN_SERVICE_TYPE_GADGET:
 302                 break;
 303         case CONNMAN_SERVICE_TYPE_WIFI:
 304                 if (service->name == NULL) {
 305                         gchar *name;
 306
 307                         name = g_key_file_get_string(keyfile,
 308                                         service->identifier, "Name", NULL);
 309                         if (name != NULL) {
 310                                 g_free(service->name);
 311                                 service->name = name;
 312                         }
 313
 314                         if (service->network != NULL)
 315                                 connman_network_set_name(service->network,
 316                                                                         name);
 317                 }
 318
 319                 if (service->network &&
 320                                 connman_network_get_blob(service->network,
 321                                         "WiFi.SSID", &ssid_len) == NULL) {
 322                         gchar *hex_ssid;
 323
 324                         hex_ssid = g_key_file_get_string(keyfile,
 325                                                         service->identifier,
 326                                                                 "SSID", NULL);
 327
 328                         if (hex_ssid != NULL) {
 329                                 gchar *ssid;
 330                                 unsigned int i, j = 0, hex;
 331                                 size_t hex_ssid_len = strlen(hex_ssid);
 332
 333                                 ssid = g_try_malloc0(hex_ssid_len / 2);
 334                                 if (ssid == NULL) {
 335                                         g_free(hex_ssid);
 336                                         err = -ENOMEM;
 337                                         goto done;
 338                                 }
 339
 340                                 for (i = 0; i < hex_ssid_len; i += 2) {
 341                                         sscanf(hex_ssid + i, "%02x", &hex);
 342                                         ssid[j++] = hex;
 343                                 }
 344
 345                                 connman_network_set_blob(service->network,
 346                                         "WiFi.SSID", ssid, hex_ssid_len / 2);
 347                         }
 348
 349                         g_free(hex_ssid);
 350                 }
 351                 /* fall through */
 352
 353         case CONNMAN_SERVICE_TYPE_WIMAX:
 354         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 355         case CONNMAN_SERVICE_TYPE_CELLULAR:
 356                 service->favorite = g_key_file_get_boolean(keyfile,
 357                                 service->identifier, "Favorite", NULL);
 358
 359                 autoconnect = g_key_file_get_boolean(keyfile,
 360                                 service->identifier, "AutoConnect", &error);
 361                 if (error == NULL)
 362                         service->autoconnect = autoconnect;
 363                 g_clear_error(&error);
 364
 365                 str = g_key_file_get_string(keyfile,
 366                                 service->identifier, "Failure", NULL);
 367                 if (str != NULL) {
 368                         if (service->favorite == FALSE)
 369                                 service->state_ipv4 = service->state_ipv6 =
 370                                         CONNMAN_SERVICE_STATE_FAILURE;
 371                         service->error = string2error(str);
 372                         g_free(str);
 373                 }
 374                 break;
 375         }
 376
 377         str = g_key_file_get_string(keyfile,
 378                                 service->identifier, "Modified", NULL);
 379         if (str != NULL) {
 380                 g_time_val_from_iso8601(str, &service->modified);
 381                 g_free(str);
 382         }
 383
 384         str = g_key_file_get_string(keyfile,
 385                                 service->identifier, "Passphrase", NULL);
 386         if (str != NULL) {
 387                 g_free(service->passphrase);
 388                 service->passphrase = str;
 389         }
 390
 391         if (service->ipconfig_ipv4 != NULL)
 392                 __connman_ipconfig_load(service->ipconfig_ipv4, keyfile,
 393                                         service->identifier, "IPv4.");
 394
 395         if (service->ipconfig_ipv6 != NULL)
 396                 __connman_ipconfig_load(service->ipconfig_ipv6, keyfile,
 397                                         service->identifier, "IPv6.");
 398
 399         service->nameservers_config = g_key_file_get_string_list(keyfile,
 400                         service->identifier, "Nameservers", &length, NULL);
 401         if (service->nameservers_config != NULL && length == 0) {
 402                 g_strfreev(service->nameservers_config);
 403                 service->nameservers_config = NULL;
 404         }
 405
 406         service->domains = g_key_file_get_string_list(keyfile,
 407                         service->identifier, "Domains", &length, NULL);
 408         if (service->domains != NULL && length == 0) {
 409                 g_strfreev(service->domains);
 410                 service->domains = NULL;
 411         }
 412
 413         str = g_key_file_get_string(keyfile,
 414                                 service->identifier, "Proxy.Method", NULL);
 415         if (str != NULL)
 416                 service->proxy_config = string2proxymethod(str);
 417
 418         g_free(str);
 419
 420         service->proxies = g_key_file_get_string_list(keyfile,
 421                         service->identifier, "Proxy.Servers", &length, NULL);
 422         if (service->proxies != NULL && length == 0) {
 423                 g_strfreev(service->proxies);
 424                 service->proxies = NULL;
 425         }
 426
 427         service->excludes = g_key_file_get_string_list(keyfile,
 428                         service->identifier, "Proxy.Excludes", &length, NULL);
 429         if (service->excludes != NULL && length == 0) {
 430                 g_strfreev(service->excludes);
 431                 service->excludes = NULL;
 432         }
 433
 434         str = g_key_file_get_string(keyfile,
 435                                 service->identifier, "Proxy.URL", NULL);
 436         if (str != NULL) {
 437                 g_free(service->pac);
 438                 service->pac = str;
 439         }
 440
 441 done:
 442         g_key_file_free(keyfile);
 443
 444         return err;
 445 }
 446
 447 static int service_save(struct connman_service *service)
 448 {
 449         GKeyFile *keyfile;
 450         gchar *str;
 451         guint freq;
 452         const char *cst_str = NULL;
 453         int err = 0;
 454
 455         DBG("service %p", service);
 456
 457         keyfile = __connman_storage_open_service(service->identifier);
 458         if (keyfile == NULL)
 459                 return -EIO;
 460
 461         if (service->name != NULL)
 462                 g_key_file_set_string(keyfile, service->identifier,
 463                                                 "Name", service->name);
 464
 465         switch (service->type) {
 466         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 467         case CONNMAN_SERVICE_TYPE_SYSTEM:
 468         case CONNMAN_SERVICE_TYPE_ETHERNET:
 469         case CONNMAN_SERVICE_TYPE_GPS:
 470         case CONNMAN_SERVICE_TYPE_VPN:
 471         case CONNMAN_SERVICE_TYPE_GADGET:
 472                 break;
 473         case CONNMAN_SERVICE_TYPE_WIFI:
 474                 if (service->network) {
 475                         const unsigned char *ssid;
 476                         unsigned int ssid_len = 0;
 477
 478                         ssid = connman_network_get_blob(service->network,
 479                                                         "WiFi.SSID", &ssid_len);
 480
 481                         if (ssid != NULL && ssid_len > 0 && ssid[0] != '\0') {
 482                                 char *identifier = service->identifier;
 483                                 GString *str;
 484                                 unsigned int i;
 485
 486                                 str = g_string_sized_new(ssid_len * 2);
 487                                 if (str == NULL) {
 488                                         err = -ENOMEM;
 489                                         goto done;
 490                                 }
 491
 492                                 for (i = 0; i < ssid_len; i++)
 493                                         g_string_append_printf(str,
 494                                                         "%02x", ssid[i]);
 495
 496                                 g_key_file_set_string(keyfile, identifier,
 497                                                         "SSID", str->str);
 498
 499                                 g_string_free(str, TRUE);
 500                         }
 501
 502                         freq = connman_network_get_frequency(service->network);
 503                         g_key_file_set_integer(keyfile, service->identifier,
 504                                                 "Frequency", freq);
 505                 }
 506                 /* fall through */
 507
 508         case CONNMAN_SERVICE_TYPE_WIMAX:
 509         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 510         case CONNMAN_SERVICE_TYPE_CELLULAR:
 511                 g_key_file_set_boolean(keyfile, service->identifier,
 512                                         "Favorite", service->favorite);
 513
 514                 if (service->favorite == TRUE)
 515                         g_key_file_set_boolean(keyfile, service->identifier,
 516                                         "AutoConnect", service->autoconnect);
 517
 518                 if (service->state_ipv4 == CONNMAN_SERVICE_STATE_FAILURE ||
 519                         service->state_ipv6 == CONNMAN_SERVICE_STATE_FAILURE) {
 520                         const char *failure = error2string(service->error);
 521                         if (failure != NULL)
 522                                 g_key_file_set_string(keyfile,
 523                                                         service->identifier,
 524                                                         "Failure", failure);
 525                 } else {
 526                         g_key_file_remove_key(keyfile, service->identifier,
 527                                                         "Failure", NULL);
 528                 }
 529                 break;
 530         }
 531
 532         str = g_time_val_to_iso8601(&service->modified);
 533         if (str != NULL) {
 534                 g_key_file_set_string(keyfile, service->identifier,
 535                                                         "Modified", str);
 536                 g_free(str);
 537         }
 538
 539         if (service->passphrase != NULL && strlen(service->passphrase) > 0)
 540                 g_key_file_set_string(keyfile, service->identifier,
 541                                         "Passphrase", service->passphrase);
 542         else
 543                 g_key_file_remove_key(keyfile, service->identifier,
 544                                                         "Passphrase", NULL);
 545
 546         if (service->ipconfig_ipv4 != NULL)
 547                 __connman_ipconfig_save(service->ipconfig_ipv4, keyfile,
 548                                         service->identifier, "IPv4.");
 549
 550         if (service->ipconfig_ipv6 != NULL)
 551                 __connman_ipconfig_save(service->ipconfig_ipv6, keyfile,
 552                                                 service->identifier, "IPv6.");
 553
 554         if (service->nameservers_config != NULL) {
 555                 guint len = g_strv_length(service->nameservers_config);
 556
 557                 g_key_file_set_string_list(keyfile, service->identifier,
 558                                                                 "Nameservers",
 559                                 (const gchar **) service->nameservers_config, len);
 560         } else
 561         g_key_file_remove_key(keyfile, service->identifier,
 562                                                         "Nameservers", NULL);
 563
 564         if (service->domains != NULL) {
 565                 guint len = g_strv_length(service->domains);
 566
 567                 g_key_file_set_string_list(keyfile, service->identifier,
 568                                                                 "Domains",
 569                                 (const gchar **) service->domains, len);
 570         } else
 571                 g_key_file_remove_key(keyfile, service->identifier,
 572                                                         "Domains", NULL);
 573
 574         cst_str = proxymethod2string(service->proxy_config);
 575         if (cst_str != NULL)
 576                 g_key_file_set_string(keyfile, service->identifier,
 577                                 "Proxy.Method", cst_str);
 578
 579         if (service->proxies != NULL) {
 580                 guint len = g_strv_length(service->proxies);
 581
 582                 g_key_file_set_string_list(keyfile, service->identifier,
 583                                 "Proxy.Servers",
 584                                 (const gchar **) service->proxies, len);
 585         } else
 586                 g_key_file_remove_key(keyfile, service->identifier,
 587                                                 "Proxy.Servers", NULL);
 588
 589         if (service->excludes != NULL) {
 590                 guint len = g_strv_length(service->excludes);
 591
 592                 g_key_file_set_string_list(keyfile, service->identifier,
 593                                 "Proxy.Excludes",
 594                                 (const gchar **) service->excludes, len);
 595         } else
 596                 g_key_file_remove_key(keyfile, service->identifier,
 597                                                 "Proxy.Excludes", NULL);
 598
 599         if (service->pac != NULL && strlen(service->pac) > 0)
 600                 g_key_file_set_string(keyfile, service->identifier,
 601                                         "Proxy.URL", service->pac);
 602         else
 603                 g_key_file_remove_key(keyfile, service->identifier,
 604                                                         "Proxy.URL", NULL);
 605
 606 done:
 607         __connman_storage_save_service(keyfile, service->identifier);
 608
 609         g_key_file_free(keyfile);
 610
 611         return err;
 612 }
 613
 614 static enum connman_service_state combine_state(
 615                                         enum connman_service_state state_a,
 616                                         enum connman_service_state state_b)
 617 {
 618         enum connman_service_state result;
 619
 620         if (state_a == state_b) {
 621                 result = state_a;
 622                 goto done;
 623         }
 624
 625         if (state_a == CONNMAN_SERVICE_STATE_UNKNOWN) {
 626                 result = state_b;
 627                 goto done;
 628         }
 629
 630         if (state_b == CONNMAN_SERVICE_STATE_UNKNOWN) {
 631                 result = state_a;
 632                 goto done;
 633         }
 634
 635         if (state_a == CONNMAN_SERVICE_STATE_IDLE) {
 636                 result = state_b;
 637                 goto done;
 638         }
 639
 640         if (state_b == CONNMAN_SERVICE_STATE_IDLE) {
 641                 result = state_a;
 642                 goto done;
 643         }
 644
 645         if (state_a == CONNMAN_SERVICE_STATE_ONLINE) {
 646                 result = state_a;
 647                 goto done;
 648         }
 649
 650         if (state_b == CONNMAN_SERVICE_STATE_ONLINE) {
 651                 result = state_b;
 652                 goto done;
 653         }
 654
 655         if (state_a == CONNMAN_SERVICE_STATE_READY) {
 656                 result = state_a;
 657                 goto done;
 658         }
 659
 660         if (state_b == CONNMAN_SERVICE_STATE_READY) {
 661                 result = state_b;
 662                 goto done;
 663         }
 664
 665         if (state_a == CONNMAN_SERVICE_STATE_CONFIGURATION) {
 666                 result = state_a;
 667                 goto done;
 668         }
 669
 670         if (state_b == CONNMAN_SERVICE_STATE_CONFIGURATION) {
 671                 result = state_b;
 672                 goto done;
 673         }
 674
 675         if (state_a == CONNMAN_SERVICE_STATE_ASSOCIATION) {
 676                 result = state_a;
 677                 goto done;
 678         }
 679
 680         if (state_b == CONNMAN_SERVICE_STATE_ASSOCIATION) {
 681                 result = state_b;
 682                 goto done;
 683         }
 684
 685         if (state_a == CONNMAN_SERVICE_STATE_DISCONNECT) {
 686                 result = state_a;
 687                 goto done;
 688         }
 689
 690         if (state_b == CONNMAN_SERVICE_STATE_DISCONNECT) {
 691                 result = state_b;
 692                 goto done;
 693         }
 694
 695         result = CONNMAN_SERVICE_STATE_FAILURE;
 696
 697 done:
 698         return result;
 699 }
 700
 701 static connman_bool_t is_connecting_state(struct connman_service *service,
 702                                         enum connman_service_state state)
 703 {
 704         switch (state) {
 705         case CONNMAN_SERVICE_STATE_UNKNOWN:
 706         case CONNMAN_SERVICE_STATE_IDLE:
 707         case CONNMAN_SERVICE_STATE_FAILURE:
 708                 if (service->network != NULL)
 709                         return connman_network_get_connecting(service->network);
 710         case CONNMAN_SERVICE_STATE_DISCONNECT:
 711         case CONNMAN_SERVICE_STATE_READY:
 712         case CONNMAN_SERVICE_STATE_ONLINE:
 713                 break;
 714         case CONNMAN_SERVICE_STATE_ASSOCIATION:
 715         case CONNMAN_SERVICE_STATE_CONFIGURATION:
 716                 return TRUE;
 717         }
 718
 719         return FALSE;
 720 }
 721
 722 static connman_bool_t is_connected_state(const struct connman_service *service,
 723                                         enum connman_service_state state)
 724 {
 725         switch (state) {
 726         case CONNMAN_SERVICE_STATE_UNKNOWN:
 727         case CONNMAN_SERVICE_STATE_IDLE:
 728         case CONNMAN_SERVICE_STATE_ASSOCIATION:
 729         case CONNMAN_SERVICE_STATE_CONFIGURATION:
 730         case CONNMAN_SERVICE_STATE_DISCONNECT:
 731         case CONNMAN_SERVICE_STATE_FAILURE:
 732                 break;
 733         case CONNMAN_SERVICE_STATE_READY:
 734         case CONNMAN_SERVICE_STATE_ONLINE:
 735                 return TRUE;
 736         }
 737
 738         return FALSE;
 739 }
 740
 741 static connman_bool_t is_connecting(struct connman_service *service)
 742 {
 743         return is_connecting_state(service, service->state);
 744 }
 745
 746 static connman_bool_t is_connected(struct connman_service *service)
 747 {
 748         return is_connected_state(service, service->state);
 749 }
 750
 751 static void update_nameservers(struct connman_service *service)
 752 {
 753         const char *ifname;
 754
 755         if (service->ipconfig_ipv4)
 756                 ifname = __connman_ipconfig_get_ifname(service->ipconfig_ipv4);
 757         else if (service->ipconfig_ipv6)
 758                 ifname = __connman_ipconfig_get_ifname(service->ipconfig_ipv6);
 759         else
 760                 ifname = NULL;
 761
 762         if (ifname == NULL)
 763                 return;
 764
 765         switch (combine_state(service->state_ipv4, service->state_ipv6)) {
 766         case CONNMAN_SERVICE_STATE_UNKNOWN:
 767         case CONNMAN_SERVICE_STATE_IDLE:
 768         case CONNMAN_SERVICE_STATE_ASSOCIATION:
 769         case CONNMAN_SERVICE_STATE_CONFIGURATION:
 770                 return;
 771         case CONNMAN_SERVICE_STATE_FAILURE:
 772         case CONNMAN_SERVICE_STATE_DISCONNECT:
 773                 connman_resolver_remove_all(ifname);
 774                 return;
 775         case CONNMAN_SERVICE_STATE_READY:
 776         case CONNMAN_SERVICE_STATE_ONLINE:
 777                 break;
 778         }
 779
 780         if (service->nameservers_config != NULL) {
 781                 int i;
 782
 783                 for (i = 0; service->nameservers_config[i] != NULL; i++) {
 784                         connman_resolver_append(ifname, NULL,
 785                                                 service->nameservers_config[i]);
 786                 }
 787         } else if (service->nameservers != NULL) {
 788                 int i;
 789
 790                 for (i = 0; service->nameservers[i] != NULL; i++) {
 791                         connman_resolver_append(ifname, NULL,
 792                                                 service->nameservers[i]);
 793                 }
 794         }
 795
 796         if (service->domains != NULL) {
 797                 int i;
 798
 799                 for (i = 0; service->domains[i]; i++)
 800                         connman_resolver_append(ifname, service->domains[i],
 801                                                 NULL);
 802         } else if (service->domainname != NULL)
 803                 connman_resolver_append(ifname, service->domainname, NULL);
 804
 805         connman_resolver_flush();
 806 }
 807
 808 /*
 809  * The is_auto variable is set to true when IPv6 autoconf nameservers are
 810  * inserted to resolver via netlink message (see rtnl.c:rtnl_newnduseropt()
 811  * for details) and not through service.c
 812  */
 813 int __connman_service_nameserver_append(struct connman_service *service,
 814                                 const char *nameserver, gboolean is_auto)
 815 {
 816         char **nameservers;
 817         int len, i;
 818
 819         DBG("service %p nameserver %s auto %d", service, nameserver, is_auto);
 820
 821         if (nameserver == NULL)
 822                 return -EINVAL;
 823
 824         if (is_auto == TRUE)
 825                 nameservers = service->nameservers_auto;
 826         else
 827                 nameservers = service->nameservers;
 828
 829         for (i = 0; nameservers != NULL && nameservers[i] != NULL; i++)
 830                 if (g_strcmp0(nameservers[i], nameserver) == 0)
 831                         return -EEXIST;
 832
 833         if (nameservers != NULL) {
 834                 len = g_strv_length(nameservers);
 835                 nameservers = g_try_renew(char *, nameservers, len + 2);
 836         } else {
 837                 len = 0;
 838                 nameservers = g_try_new0(char *, len + 2);
 839         }
 840
 841         if (nameservers == NULL)
 842                 return -ENOMEM;
 843
 844         nameservers[len] = g_strdup(nameserver);
 845         if (nameservers[len] == NULL)
 846                 return -ENOMEM;
 847
 848         nameservers[len + 1] = NULL;
 849
 850         if (is_auto == TRUE) {
 851                 service->nameservers_auto = nameservers;
 852         } else {
 853                 service->nameservers = nameservers;
 854                 update_nameservers(service);
 855         }
 856
 857         return 0;
 858 }
 859
 860 int __connman_service_nameserver_remove(struct connman_service *service,
 861                                 const char *nameserver, gboolean is_auto)
 862 {
 863         char **servers, **nameservers;
 864         gboolean found = FALSE;
 865         int len, i, j;
 866
 867         DBG("service %p nameserver %s auto %d", service, nameserver, is_auto);
 868
 869         if (nameserver == NULL)
 870                 return -EINVAL;
 871
 872         if (is_auto == TRUE)
 873                 nameservers = service->nameservers_auto;
 874         else
 875                 nameservers = service->nameservers;
 876
 877         if (nameservers == NULL)
 878                 return 0;
 879
 880         for (i = 0; nameservers != NULL && nameservers[i] != NULL; i++)
 881                 if (g_strcmp0(nameservers[i], nameserver) == 0) {
 882                         found = TRUE;
 883                         break;
 884                 }
 885
 886         if (found == FALSE)
 887                 return 0;
 888
 889         len = g_strv_length(nameservers);
 890
 891         if (len == 1) {
 892                 g_strfreev(nameservers);
 893                 if (is_auto == TRUE)
 894                         service->nameservers_auto = NULL;
 895                 else
 896                         service->nameservers = NULL;
 897
 898                 return 0;
 899         }
 900
 901         servers = g_try_new0(char *, len);
 902         if (servers == NULL)
 903                 return -ENOMEM;
 904
 905         for (i = 0, j = 0; i < len; i++) {
 906                 if (g_strcmp0(nameservers[i], nameserver) != 0) {
 907                         servers[j] = g_strdup(nameservers[i]);
 908                         if (servers[j] == NULL)
 909                                 return -ENOMEM;
 910                         j++;
 911                 }
 912         }
 913         servers[len - 1] = NULL;
 914
 915         g_strfreev(nameservers);
 916         nameservers = servers;
 917
 918         if (is_auto == TRUE) {
 919                 service->nameservers_auto = nameservers;
 920         } else {
 921                 service->nameservers = nameservers;
 922                 update_nameservers(service);
 923         }
 924
 925         return 0;
 926 }
 927
 928 void __connman_service_nameserver_clear(struct connman_service *service)
 929 {
 930         g_strfreev(service->nameservers);
 931         service->nameservers = NULL;
 932
 933         update_nameservers(service);
 934 }
 935
 936 static void nameserver_add_routes(int index, char **nameservers,
 937                                         const char *gw)
 938 {
 939         int i, ret, family;
 940         struct addrinfo hints;
 941         struct addrinfo *addr;
 942
 943         for (i = 0; nameservers[i] != NULL; i++) {
 944                 memset(&hints, 0, sizeof(struct addrinfo));
 945                 hints.ai_flags = AI_NUMERICHOST;
 946                 addr = NULL;
 947
 948                 ret = getaddrinfo(nameservers[i], NULL, &hints, &addr);
 949                 if (ret == EAI_NONAME)
 950                         family = AF_INET; /* use the IPv4 as a default */
 951                 else if (ret != 0)
 952                         continue;
 953                 else
 954                         family = addr->ai_family;
 955
 956                 if (family == AF_INET) {
 957                         if (connman_inet_compare_subnet(index,
 958                                                 nameservers[i]) != TRUE)
 959                                 connman_inet_add_host_route(index,
 960                                                         nameservers[i], gw);
 961                 } else if (family == AF_INET6)
 962                         connman_inet_add_ipv6_host_route(index,
 963                                                         nameservers[i], gw);
 964
 965                 freeaddrinfo(addr);
 966         }
 967 }
 968
 969 static void nameserver_del_routes(int index, char **nameservers)
 970 {
 971         int i, ret, family;
 972         struct addrinfo hints;
 973         struct addrinfo *addr;
 974
 975         for (i = 0; nameservers[i] != NULL; i++) {
 976                 memset(&hints, 0, sizeof(struct addrinfo));
 977                 hints.ai_flags = AI_NUMERICHOST;
 978                 addr = NULL;
 979
 980                 ret = getaddrinfo(nameservers[i], NULL, &hints, &addr);
 981                 if (ret == EAI_NONAME)
 982                         family = AF_INET; /* use the IPv4 as a default */
 983                 else if (ret != 0)
 984                         continue;
 985                 else
 986                         family = addr->ai_family;
 987
 988                 if (family == AF_INET)
 989                         connman_inet_del_host_route(index, nameservers[i]);
 990                 else if (family == AF_INET6)
 991                         connman_inet_del_ipv6_host_route(index,
 992                                                         nameservers[i]);
 993
 994                 freeaddrinfo(addr);
 995         }
 996 }
 997
 998 void __connman_service_nameserver_add_routes(struct connman_service *service,
 999                                                 const char *gw)
1000 {
1001         int index = -1;
1002
1003         if (service == NULL)
1004                 return;
1005
1006         if (service->network != NULL)
1007                 index = connman_network_get_index(service->network);
1008         else if (service->provider != NULL)
1009                 index = connman_provider_get_index(service->provider);
1010
1011         if (service->nameservers_config != NULL) {
1012                 /*
1013                  * Configured nameserver takes preference over the
1014                  * discoverd nameserver gathered from DHCP, VPN, etc.
1015                  */
1016                 nameserver_add_routes(index, service->nameservers_config, gw);
1017         } else if (service->nameservers != NULL) {
1018                 /*
1019                  * We add nameservers host routes for nameservers that
1020                  * are not on our subnet. For those who are, the subnet
1021                  * route will be installed by the time the dns proxy code
1022                  * tries to reach them. The subnet route is installed
1023                  * when setting the interface IP address.
1024                  */
1025                 nameserver_add_routes(index, service->nameservers, gw);
1026         }
1027 }
1028
1029 void __connman_service_nameserver_del_routes(struct connman_service *service)
1030 {
1031         int index = -1;
1032
1033         if (service == NULL)
1034                 return;
1035
1036         if (service->network != NULL)
1037                 index = connman_network_get_index(service->network);
1038         else if (service->provider != NULL)
1039                 index = connman_provider_get_index(service->provider);
1040
1041         if (service->nameservers_config != NULL)
1042                 nameserver_del_routes(index, service->nameservers_config);
1043         else if (service->nameservers != NULL)
1044                 nameserver_del_routes(index, service->nameservers);
1045 }
1046
1047 static struct connman_stats *stats_get(struct connman_service *service)
1048 {
1049         if (service->roaming == TRUE)
1050                 return &service->stats_roaming;
1051         else
1052                 return &service->stats;
1053 }
1054
1055 static connman_bool_t stats_enabled(struct connman_service *service)
1056 {
1057         struct connman_stats *stats = stats_get(service);
1058
1059         return stats->enabled;
1060 }
1061
1062 static void stats_start(struct connman_service *service)
1063 {
1064         struct connman_stats *stats = stats_get(service);
1065
1066         DBG("service %p", service);
1067
1068         if (stats->timer == NULL)
1069                 return;
1070
1071         stats->enabled = TRUE;
1072         stats->data_last.time = stats->data.time;
1073
1074         g_timer_start(stats->timer);
1075 }
1076
1077 static void stats_stop(struct connman_service *service)
1078 {
1079         struct connman_stats *stats = stats_get(service);
1080         unsigned int seconds;
1081
1082         DBG("service %p", service);
1083
1084         if (stats->timer == NULL)
1085                 return;
1086
1087         if (stats->enabled == FALSE)
1088                 return;
1089
1090         g_timer_stop(stats->timer);
1091
1092         seconds = g_timer_elapsed(stats->timer, NULL);
1093         stats->data.time = stats->data_last.time + seconds;
1094
1095         stats->enabled = FALSE;
1096 }
1097
1098 static void reset_stats(struct connman_service *service)
1099 {
1100         DBG("service %p", service);
1101
1102         /* home */
1103         service->stats.valid = FALSE;
1104
1105         service->stats.data.rx_packets = 0;
1106         service->stats.data.tx_packets = 0;
1107         service->stats.data.rx_bytes = 0;
1108         service->stats.data.tx_bytes = 0;
1109         service->stats.data.rx_errors = 0;
1110         service->stats.data.tx_errors = 0;
1111         service->stats.data.rx_dropped = 0;
1112         service->stats.data.tx_dropped = 0;
1113         service->stats.data.time = 0;
1114         service->stats.data_last.time = 0;
1115
1116         g_timer_reset(service->stats.timer);
1117
1118         /* roaming */
1119         service->stats_roaming.valid = FALSE;
1120
1121         service->stats_roaming.data.rx_packets = 0;
1122         service->stats_roaming.data.tx_packets = 0;
1123         service->stats_roaming.data.rx_bytes = 0;
1124         service->stats_roaming.data.tx_bytes = 0;
1125         service->stats_roaming.data.rx_errors = 0;
1126         service->stats_roaming.data.tx_errors = 0;
1127         service->stats_roaming.data.rx_dropped = 0;
1128         service->stats_roaming.data.tx_dropped = 0;
1129         service->stats_roaming.data.time = 0;
1130         service->stats_roaming.data_last.time = 0;
1131
1132         g_timer_reset(service->stats_roaming.timer);
1133 }
1134
1135 static struct connman_service *get_default(void)
1136 {
1137         struct connman_service *service;
1138         GSequenceIter *iter;
1139
1140         iter = g_sequence_get_begin_iter(service_list);
1141
1142         if (g_sequence_iter_is_end(iter) == TRUE)
1143                 return NULL;
1144
1145         service = g_sequence_get(iter);
1146
1147         if (is_connected(service) == FALSE)
1148                 return NULL;
1149
1150         return service;
1151 }
1152
1153 static void default_changed(void)
1154 {
1155         struct connman_service *service = get_default();
1156
1157         __connman_notifier_default_changed(service);
1158 }
1159
1160 static void state_changed(struct connman_service *service)
1161 {
1162         const char *str;
1163
1164         __connman_notifier_service_state_changed(service, service->state);
1165
1166         str = state2string(service->state);
1167         if (str == NULL)
1168                 return;
1169
1170         connman_dbus_property_changed_basic(service->path,
1171                                 CONNMAN_SERVICE_INTERFACE, "State",
1172                                                 DBUS_TYPE_STRING, &str);
1173 }
1174
1175 static void strength_changed(struct connman_service *service)
1176 {
1177         if (service->strength == 0)
1178                 return;
1179
1180         connman_dbus_property_changed_basic(service->path,
1181                                 CONNMAN_SERVICE_INTERFACE, "Strength",
1182                                         DBUS_TYPE_BYTE, &service->strength);
1183 }
1184
1185 static void favorite_changed(struct connman_service *service)
1186 {
1187         if (service->path == NULL)
1188                 return;
1189
1190         connman_dbus_property_changed_basic(service->path,
1191                                 CONNMAN_SERVICE_INTERFACE, "Favorite",
1192                                         DBUS_TYPE_BOOLEAN, &service->favorite);
1193 }
1194
1195 static void immutable_changed(struct connman_service *service)
1196 {
1197         if (service->path == NULL)
1198                 return;
1199
1200         connman_dbus_property_changed_basic(service->path,
1201                                 CONNMAN_SERVICE_INTERFACE, "Immutable",
1202                                         DBUS_TYPE_BOOLEAN, &service->immutable);
1203 }
1204
1205 static void roaming_changed(struct connman_service *service)
1206 {
1207         if (service->path == NULL)
1208                 return;
1209
1210         connman_dbus_property_changed_basic(service->path,
1211                                 CONNMAN_SERVICE_INTERFACE, "Roaming",
1212                                         DBUS_TYPE_BOOLEAN, &service->roaming);
1213 }
1214
1215 static void autoconnect_changed(struct connman_service *service)
1216 {
1217         if (service->path == NULL)
1218                 return;
1219
1220         connman_dbus_property_changed_basic(service->path,
1221                                 CONNMAN_SERVICE_INTERFACE, "AutoConnect",
1222                                 DBUS_TYPE_BOOLEAN, &service->autoconnect);
1223 }
1224
1225 static void append_security(DBusMessageIter *iter, void *user_data)
1226 {
1227         struct connman_service *service = user_data;
1228         const char *str;
1229
1230         str = security2string(service->security);
1231         if (str != NULL)
1232                 dbus_message_iter_append_basic(iter,
1233                                 DBUS_TYPE_STRING, &str);
1234
1235         /*
1236          * Some access points incorrectly advertise WPS even when they
1237          * are configured as open or no security, so filter
1238          * appropriately.
1239          */
1240         if (service->wps == TRUE) {
1241                 switch (service->security) {
1242                 case CONNMAN_SERVICE_SECURITY_PSK:
1243                 case CONNMAN_SERVICE_SECURITY_WPA:
1244                 case CONNMAN_SERVICE_SECURITY_RSN:
1245                         str = "wps";
1246                         dbus_message_iter_append_basic(iter,
1247                                 DBUS_TYPE_STRING, &str);
1248                         break;
1249                 case CONNMAN_SERVICE_SECURITY_UNKNOWN:
1250                 case CONNMAN_SERVICE_SECURITY_NONE:
1251                 case CONNMAN_SERVICE_SECURITY_WEP:
1252                 case CONNMAN_SERVICE_SECURITY_8021X:
1253                         break;
1254                 }
1255         }
1256 }
1257
1258 static void append_ethernet(DBusMessageIter *iter, void *user_data)
1259 {
1260         struct connman_service *service = user_data;
1261
1262         if (service->ipconfig_ipv4 != NULL)
1263                 __connman_ipconfig_append_ethernet(service->ipconfig_ipv4,
1264                                                                         iter);
1265         else if (service->ipconfig_ipv6 != NULL)
1266                 __connman_ipconfig_append_ethernet(service->ipconfig_ipv6,
1267                                                                         iter);
1268 }
1269
1270 static void append_ipv4(DBusMessageIter *iter, void *user_data)
1271 {
1272         struct connman_service *service = user_data;
1273
1274         DBG("ipv4 %p state %s", service->ipconfig_ipv4,
1275                                 state2string(service->state_ipv4));
1276
1277         if (is_connected_state(service, service->state_ipv4) == FALSE)
1278                 return;
1279
1280         if (service->ipconfig_ipv4 != NULL)
1281                 __connman_ipconfig_append_ipv4(service->ipconfig_ipv4, iter);
1282 }
1283
1284 static void append_ipv6(DBusMessageIter *iter, void *user_data)
1285 {
1286         struct connman_service *service = user_data;
1287
1288         DBG("ipv6 %p state %s", service->ipconfig_ipv6,
1289                                 state2string(service->state_ipv6));
1290
1291         if (is_connected_state(service, service->state_ipv6) == FALSE)
1292                 return;
1293
1294         if (service->ipconfig_ipv6 != NULL)
1295                 __connman_ipconfig_append_ipv6(service->ipconfig_ipv6, iter,
1296                                                 service->ipconfig_ipv4);
1297 }
1298
1299 static void append_ipv4config(DBusMessageIter *iter, void *user_data)
1300 {
1301         struct connman_service *service = user_data;
1302
1303         if (service->ipconfig_ipv4 != NULL)
1304                 __connman_ipconfig_append_ipv4config(service->ipconfig_ipv4,
1305                                                         iter);
1306 }
1307
1308 static void append_ipv6config(DBusMessageIter *iter, void *user_data)
1309 {
1310         struct connman_service *service = user_data;
1311
1312         if (service->ipconfig_ipv6 != NULL)
1313                 __connman_ipconfig_append_ipv6config(service->ipconfig_ipv6,
1314                                                         iter);
1315 }
1316
1317 static void append_nameserver(DBusMessageIter *iter, char ***nameservers)
1318 {
1319         char **servers;
1320         int i;
1321
1322         servers = *nameservers;
1323
1324         for (i = 0; servers[i] != NULL; i++) {
1325                 dbus_message_iter_append_basic(iter,
1326                                         DBUS_TYPE_STRING, &servers[i]);
1327         }
1328 }
1329
1330 static void append_dns(DBusMessageIter *iter, void *user_data)
1331 {
1332         struct connman_service *service = user_data;
1333
1334         if (is_connected(service) == FALSE)
1335                 return;
1336
1337         if (service->nameservers_config != NULL) {
1338                 append_nameserver(iter, &service->nameservers_config);
1339                 return;
1340         } else {
1341                 if (service->nameservers != NULL)
1342                         append_nameserver(iter, &service->nameservers);
1343
1344                 if (service->nameservers_auto != NULL)
1345                         append_nameserver(iter, &service->nameservers_auto);
1346         }
1347 }
1348
1349 static void append_dnsconfig(DBusMessageIter *iter, void *user_data)
1350 {
1351         struct connman_service *service = user_data;
1352         int i;
1353
1354         if (service->nameservers_config == NULL)
1355                 return;
1356
1357         for (i = 0; service->nameservers_config[i]; i++) {
1358                 dbus_message_iter_append_basic(iter,
1359                                 DBUS_TYPE_STRING,
1360                                 &service->nameservers_config[i]);
1361         }
1362 }
1363
1364 static void append_domain(DBusMessageIter *iter, void *user_data)
1365 {
1366         struct connman_service *service = user_data;
1367
1368         if (is_connected(service) == FALSE &&
1369                                 is_connecting(service) == FALSE)
1370                 return;
1371
1372         if (service->domainname == NULL)
1373                 return;
1374
1375         dbus_message_iter_append_basic(iter,
1376                                 DBUS_TYPE_STRING, &service->domainname);
1377 }
1378
1379 static void append_domainconfig(DBusMessageIter *iter, void *user_data)
1380 {
1381         struct connman_service *service = user_data;
1382         int i;
1383
1384         if (service->domains == NULL)
1385                 return;
1386
1387         for (i = 0; service->domains[i]; i++)
1388                 dbus_message_iter_append_basic(iter,
1389                                 DBUS_TYPE_STRING, &service->domains[i]);
1390 }
1391
1392 static void append_proxies(DBusMessageIter *iter, void *user_data)
1393 {
1394         struct connman_service *service = user_data;
1395         int i;
1396
1397         if (service->proxies == NULL)
1398                 return;
1399
1400         for (i = 0; service->proxies[i]; i++)
1401                 dbus_message_iter_append_basic(iter,
1402                                 DBUS_TYPE_STRING, &service->proxies[i]);
1403 }
1404
1405 static void append_excludes(DBusMessageIter *iter, void *user_data)
1406 {
1407         struct connman_service *service = user_data;
1408         int i;
1409
1410         if (service->excludes == NULL)
1411                 return;
1412
1413         for (i = 0; service->excludes[i]; i++)
1414                 dbus_message_iter_append_basic(iter,
1415                                 DBUS_TYPE_STRING, &service->excludes[i]);
1416 }
1417
1418 static void append_proxy(DBusMessageIter *iter, void *user_data)
1419 {
1420         struct connman_service *service = user_data;
1421         enum connman_service_proxy_method proxy;
1422         const char *pac = NULL;
1423         const char *method = proxymethod2string(
1424                 CONNMAN_SERVICE_PROXY_METHOD_DIRECT);
1425
1426         DBG("");
1427
1428         if (is_connected(service) == FALSE)
1429                 return;
1430
1431         proxy = connman_service_get_proxy_method(service);
1432
1433         switch (proxy) {
1434         case CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN:
1435                 return;
1436         case CONNMAN_SERVICE_PROXY_METHOD_DIRECT:
1437                 goto done;
1438         case CONNMAN_SERVICE_PROXY_METHOD_MANUAL:
1439                 connman_dbus_dict_append_array(iter, "Servers",
1440                                         DBUS_TYPE_STRING, append_proxies,
1441                                         service);
1442
1443                 connman_dbus_dict_append_array(iter, "Excludes",
1444                                         DBUS_TYPE_STRING, append_excludes,
1445                                         service);
1446                 break;
1447         case CONNMAN_SERVICE_PROXY_METHOD_AUTO:
1448                 /* Maybe DHCP, or WPAD,  has provided an url for a pac file */
1449                 if (service->ipconfig_ipv4 != NULL)
1450                         pac = __connman_ipconfig_get_proxy_autoconfig(
1451                                 service->ipconfig_ipv4);
1452                 else if (service->ipconfig_ipv6 != NULL)
1453                         pac = __connman_ipconfig_get_proxy_autoconfig(
1454                                 service->ipconfig_ipv6);
1455
1456                 if (service->pac == NULL && pac == NULL)
1457                         goto done;
1458
1459                 if (service->pac != NULL)
1460                         pac = service->pac;
1461
1462                 connman_dbus_dict_append_basic(iter, "URL",
1463                                         DBUS_TYPE_STRING, &pac);
1464                 break;
1465         }
1466
1467         method = proxymethod2string(proxy);
1468
1469 done:
1470         connman_dbus_dict_append_basic(iter, "Method",
1471                                         DBUS_TYPE_STRING, &method);
1472 }
1473
1474 static void append_proxyconfig(DBusMessageIter *iter, void *user_data)
1475 {
1476         struct connman_service *service = user_data;
1477         const char *method;
1478
1479         if (service->proxy_config == CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN)
1480                 return;
1481
1482         switch (service->proxy_config) {
1483         case CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN:
1484                 return;
1485         case CONNMAN_SERVICE_PROXY_METHOD_DIRECT:
1486                 break;
1487         case CONNMAN_SERVICE_PROXY_METHOD_MANUAL:
1488                 if (service->proxies != NULL)
1489                         connman_dbus_dict_append_array(iter, "Servers",
1490                                                 DBUS_TYPE_STRING,
1491                                                 append_proxies, service);
1492
1493                 if (service->excludes != NULL)
1494                         connman_dbus_dict_append_array(iter, "Excludes",
1495                                                 DBUS_TYPE_STRING,
1496                                                 append_excludes, service);
1497                 break;
1498         case CONNMAN_SERVICE_PROXY_METHOD_AUTO:
1499                 if (service->pac != NULL)
1500                         connman_dbus_dict_append_basic(iter, "URL",
1501                                         DBUS_TYPE_STRING, &service->pac);
1502                 break;
1503         }
1504
1505         method = proxymethod2string(service->proxy_config);
1506
1507         connman_dbus_dict_append_basic(iter, "Method",
1508                                 DBUS_TYPE_STRING, &method);
1509 }
1510
1511 static void append_provider(DBusMessageIter *iter, void *user_data)
1512 {
1513         struct connman_service *service = user_data;
1514
1515         DBG("%p %p", service, service->provider);
1516
1517         if (is_connected(service) == FALSE)
1518                 return;
1519
1520         if (service->provider != NULL)
1521                 __connman_provider_append_properties(service->provider, iter);
1522 }
1523
1524
1525 static void settings_changed(struct connman_service *service,
1526                                 struct connman_ipconfig *ipconfig)
1527 {
1528         connman_dbus_property_changed_dict(service->path,
1529                                         CONNMAN_SERVICE_INTERFACE, "IPv4",
1530                                                         append_ipv4, service);
1531
1532         connman_dbus_property_changed_dict(service->path,
1533                                         CONNMAN_SERVICE_INTERFACE, "IPv6",
1534                                                         append_ipv6, service);
1535
1536         __connman_notifier_ipconfig_changed(service, ipconfig);
1537 }
1538
1539 static void ipv4_configuration_changed(struct connman_service *service)
1540 {
1541         connman_dbus_property_changed_dict(service->path,
1542                                         CONNMAN_SERVICE_INTERFACE,
1543                                                         "IPv4.Configuration",
1544                                                         append_ipv4config,
1545                                                         service);
1546 }
1547
1548 static void ipv6_configuration_changed(struct connman_service *service)
1549 {
1550         connman_dbus_property_changed_dict(service->path,
1551                                         CONNMAN_SERVICE_INTERFACE,
1552                                                         "IPv6.Configuration",
1553                                                         append_ipv6config,
1554                                                         service);
1555 }
1556
1557 static void dns_changed(struct connman_service *service)
1558 {
1559         connman_dbus_property_changed_array(service->path,
1560                                 CONNMAN_SERVICE_INTERFACE, "Nameservers",
1561                                         DBUS_TYPE_STRING, append_dns, service);
1562 }
1563
1564 static void dns_configuration_changed(struct connman_service *service)
1565 {
1566         connman_dbus_property_changed_array(service->path,
1567                                 CONNMAN_SERVICE_INTERFACE,
1568                                 "Nameservers.Configuration",
1569                                 DBUS_TYPE_STRING, append_dnsconfig, service);
1570
1571         dns_changed(service);
1572 }
1573
1574 static void domain_changed(struct connman_service *service)
1575 {
1576         connman_dbus_property_changed_array(service->path,
1577                                 CONNMAN_SERVICE_INTERFACE, "Domains",
1578                                 DBUS_TYPE_STRING, append_domain, service);
1579 }
1580
1581 static void domain_configuration_changed(struct connman_service *service)
1582 {
1583         connman_dbus_property_changed_array(service->path,
1584                                 CONNMAN_SERVICE_INTERFACE,
1585                                 "Domains.Configuration",
1586                                 DBUS_TYPE_STRING, append_domainconfig, service);
1587 }
1588
1589 static void proxy_changed(struct connman_service *service)
1590 {
1591         connman_dbus_property_changed_dict(service->path,
1592                                         CONNMAN_SERVICE_INTERFACE, "Proxy",
1593                                                         append_proxy, service);
1594 }
1595
1596 static void proxy_configuration_changed(struct connman_service *service)
1597 {
1598         connman_dbus_property_changed_dict(service->path,
1599                         CONNMAN_SERVICE_INTERFACE, "Proxy.Configuration",
1600                                                 append_proxyconfig, service);
1601
1602         proxy_changed(service);
1603 }
1604
1605 static void link_changed(struct connman_service *service)
1606 {
1607         connman_dbus_property_changed_dict(service->path,
1608                                         CONNMAN_SERVICE_INTERFACE, "Ethernet",
1609                                                 append_ethernet, service);
1610 }
1611
1612 static void stats_append_counters(DBusMessageIter *dict,
1613                         struct connman_stats_data *stats,
1614                         struct connman_stats_data *counters,
1615                         connman_bool_t append_all)
1616 {
1617         if (counters->rx_packets != stats->rx_packets || append_all) {
1618                 counters->rx_packets = stats->rx_packets;
1619                 connman_dbus_dict_append_basic(dict, "RX.Packets",
1620                                         DBUS_TYPE_UINT32, &stats->rx_packets);
1621         }
1622
1623         if (counters->tx_packets != stats->tx_packets || append_all) {
1624                 counters->tx_packets = stats->tx_packets;
1625                 connman_dbus_dict_append_basic(dict, "TX.Packets",
1626                                         DBUS_TYPE_UINT32, &stats->tx_packets);
1627         }
1628
1629         if (counters->rx_bytes != stats->rx_bytes || append_all) {
1630                 counters->rx_bytes = stats->rx_bytes;
1631                 connman_dbus_dict_append_basic(dict, "RX.Bytes",
1632                                         DBUS_TYPE_UINT32, &stats->rx_bytes);
1633         }
1634
1635         if (counters->tx_bytes != stats->tx_bytes || append_all) {
1636                 counters->tx_bytes = stats->tx_bytes;
1637                 connman_dbus_dict_append_basic(dict, "TX.Bytes",
1638                                         DBUS_TYPE_UINT32, &stats->tx_bytes);
1639         }
1640
1641         if (counters->rx_errors != stats->rx_errors || append_all) {
1642                 counters->rx_errors = stats->rx_errors;
1643                 connman_dbus_dict_append_basic(dict, "RX.Errors",
1644                                         DBUS_TYPE_UINT32, &stats->rx_errors);
1645         }
1646
1647         if (counters->tx_errors != stats->tx_errors || append_all) {
1648                 counters->tx_errors = stats->tx_errors;
1649                 connman_dbus_dict_append_basic(dict, "TX.Errors",
1650                                         DBUS_TYPE_UINT32, &stats->tx_errors);
1651         }
1652
1653         if (counters->rx_dropped != stats->rx_dropped || append_all) {
1654                 counters->rx_dropped = stats->rx_dropped;
1655                 connman_dbus_dict_append_basic(dict, "RX.Dropped",
1656                                         DBUS_TYPE_UINT32, &stats->rx_dropped);
1657         }
1658
1659         if (counters->tx_dropped != stats->tx_dropped || append_all) {
1660                 counters->tx_dropped = stats->tx_dropped;
1661                 connman_dbus_dict_append_basic(dict, "TX.Dropped",
1662                                         DBUS_TYPE_UINT32, &stats->tx_dropped);
1663         }
1664
1665         if (counters->time != stats->time || append_all) {
1666                 counters->time = stats->time;
1667                 connman_dbus_dict_append_basic(dict, "Time",
1668                                         DBUS_TYPE_UINT32, &stats->time);
1669         }
1670 }
1671
1672 static void stats_append(struct connman_service *service,
1673                                 const char *counter,
1674                                 struct connman_stats_counter *counters,
1675                                 connman_bool_t append_all)
1676 {
1677         DBusMessageIter array, dict;
1678         DBusMessage *msg;
1679
1680         DBG("service %p counter %s", service, counter);
1681
1682         msg = dbus_message_new(DBUS_MESSAGE_TYPE_METHOD_CALL);
1683         if (msg == NULL)
1684                 return;
1685
1686         dbus_message_append_args(msg, DBUS_TYPE_OBJECT_PATH,
1687                                 &service->path, DBUS_TYPE_INVALID);
1688
1689         dbus_message_iter_init_append(msg, &array);
1690
1691         /* home counter */
1692         connman_dbus_dict_open(&array, &dict);
1693
1694         stats_append_counters(&dict, &service->stats.data,
1695                                 &counters->stats.data, append_all);
1696
1697         connman_dbus_dict_close(&array, &dict);
1698
1699         /* roaming counter */
1700         connman_dbus_dict_open(&array, &dict);
1701
1702         stats_append_counters(&dict, &service->stats_roaming.data,
1703                                 &counters->stats_roaming.data, append_all);
1704
1705         connman_dbus_dict_close(&array, &dict);
1706
1707         __connman_counter_send_usage(counter, msg);
1708 }
1709
1710 static void stats_update(struct connman_service *service,
1711                                 unsigned int rx_packets, unsigned int tx_packets,
1712                                 unsigned int rx_bytes, unsigned int tx_bytes,
1713                                 unsigned int rx_errors, unsigned int tx_errors,
1714                                 unsigned int rx_dropped, unsigned int tx_dropped)
1715 {
1716         struct connman_stats *stats = stats_get(service);
1717         struct connman_stats_data *data_last = &stats->data_last;
1718         struct connman_stats_data *data = &stats->data;
1719         unsigned int seconds;
1720
1721         DBG("service %p", service);
1722
1723         if (stats->valid == TRUE) {
1724                 data->rx_packets +=
1725                         rx_packets - data_last->rx_packets;
1726                 data->tx_packets +=
1727                         tx_packets - data_last->tx_packets;
1728                 data->rx_bytes +=
1729                         rx_bytes - data_last->rx_bytes;
1730                 data->tx_bytes +=
1731                         tx_bytes - data_last->tx_bytes;
1732                 data->rx_errors +=
1733                         rx_errors - data_last->rx_errors;
1734                 data->tx_errors +=
1735                         tx_errors - data_last->tx_errors;
1736                 data->rx_dropped +=
1737                         rx_dropped - data_last->rx_dropped;
1738                 data->tx_dropped +=
1739                         tx_dropped - data_last->tx_dropped;
1740         } else {
1741                 stats->valid = TRUE;
1742         }
1743
1744         data_last->rx_packets = rx_packets;
1745         data_last->tx_packets = tx_packets;
1746         data_last->rx_bytes = rx_bytes;
1747         data_last->tx_bytes = tx_bytes;
1748         data_last->rx_errors = rx_errors;
1749         data_last->tx_errors = tx_errors;
1750         data_last->rx_dropped = rx_dropped;
1751         data_last->tx_dropped = tx_dropped;
1752
1753         seconds = g_timer_elapsed(stats->timer, NULL);
1754         stats->data.time = stats->data_last.time + seconds;
1755 }
1756
1757 void __connman_service_notify(struct connman_service *service,
1758                         unsigned int rx_packets, unsigned int tx_packets,
1759                         unsigned int rx_bytes, unsigned int tx_bytes,
1760                         unsigned int rx_errors, unsigned int tx_errors,
1761                         unsigned int rx_dropped, unsigned int tx_dropped)
1762 {
1763         GHashTableIter iter;
1764         gpointer key, value;
1765         const char *counter;
1766         struct connman_stats_counter *counters;
1767         struct connman_stats_data *data;
1768         int err;
1769
1770         if (service == NULL)
1771                 return;
1772
1773         if (is_connected(service) == FALSE)
1774                 return;
1775
1776         stats_update(service,
1777                 rx_packets, tx_packets,
1778                 rx_bytes, tx_bytes,
1779                 rx_errors, tx_errors,
1780                 rx_dropped, tx_dropped);
1781
1782         data = &stats_get(service)->data;
1783         err = __connman_stats_update(service, service->roaming, data);
1784         if (err < 0)
1785                 connman_error("Failed to store statistics for %s",
1786                                 service->identifier);
1787
1788         g_hash_table_iter_init(&iter, service->counter_table);
1789         while (g_hash_table_iter_next(&iter, &key, &value)) {
1790                 counter = key;
1791                 counters = value;
1792
1793                 stats_append(service, counter, counters, counters->append_all);
1794                 counters->append_all = FALSE;
1795         }
1796 }
1797
1798 int __connman_service_counter_register(const char *counter)
1799 {
1800         struct connman_service *service;
1801         GSequenceIter *iter;
1802         struct connman_stats_counter *counters;
1803
1804         DBG("counter %s", counter);
1805
1806         counter_list = g_slist_append(counter_list, (gpointer)counter);
1807
1808         iter = g_sequence_get_begin_iter(service_list);
1809
1810         while (g_sequence_iter_is_end(iter) == FALSE) {
1811                 service = g_sequence_get(iter);
1812
1813                 counters = g_try_new0(struct connman_stats_counter, 1);
1814                 if (counters == NULL)
1815                         return -ENOMEM;
1816
1817                 counters->append_all = TRUE;
1818
1819                 g_hash_table_replace(service->counter_table, (gpointer)counter,
1820                                         counters);
1821
1822                 iter = g_sequence_iter_next(iter);
1823         }
1824
1825         return 0;
1826 }
1827
1828 void __connman_service_counter_unregister(const char *counter)
1829 {
1830         struct connman_service *service;
1831         GSequenceIter *iter;
1832
1833         DBG("counter %s", counter);
1834
1835         iter = g_sequence_get_begin_iter(service_list);
1836
1837         while (g_sequence_iter_is_end(iter) == FALSE) {
1838                 service = g_sequence_get(iter);
1839
1840                 g_hash_table_remove(service->counter_table, counter);
1841
1842                 iter = g_sequence_iter_next(iter);
1843         }
1844
1845         counter_list = g_slist_remove(counter_list, counter);
1846 }
1847
1848 GSequence *__connman_service_get_list(struct connman_session *session,
1849                                 service_match_cb service_match,
1850                                 create_service_entry_cb create_service_entry,
1851                                 GDestroyNotify destroy_service_entry)
1852 {
1853         GSequence *list;
1854         GSequenceIter *iter;
1855         struct connman_service *service;
1856         struct service_entry *entry;
1857
1858         list = g_sequence_new(destroy_service_entry);
1859         if (list == NULL)
1860                 return NULL;
1861
1862         iter = g_sequence_get_begin_iter(service_list);
1863
1864         while (g_sequence_iter_is_end(iter) == FALSE) {
1865                 service = g_sequence_get(iter);
1866
1867                 if (service_match(session, service) == TRUE) {
1868                         entry = create_service_entry(service, service->name,
1869                                                         service->state);
1870                         if (entry == NULL)
1871                                 return list;
1872
1873                         g_sequence_append(list, entry);
1874                 }
1875
1876                 iter = g_sequence_iter_next(iter);
1877         }
1878
1879         return list;
1880 }
1881
1882 void __connman_service_session_inc(struct connman_service *service)
1883 {
1884         DBG("service %p ref count %d", service,
1885                 service->session_usage_count + 1);
1886
1887         __sync_fetch_and_add(&service->session_usage_count, 1);
1888 }
1889
1890 connman_bool_t __connman_service_session_dec(struct connman_service *service)
1891 {
1892         DBG("service %p ref count %d", service,
1893                 service->session_usage_count - 1);
1894
1895         if (__sync_fetch_and_sub(&service->session_usage_count, 1) != 1)
1896                 return FALSE;
1897
1898         return TRUE;
1899 }
1900
1901 static void append_properties(DBusMessageIter *dict, dbus_bool_t limited,
1902                                         struct connman_service *service)
1903 {
1904         const char *str;
1905
1906         str = __connman_service_type2string(service->type);
1907         if (str != NULL)
1908                 connman_dbus_dict_append_basic(dict, "Type",
1909                                                 DBUS_TYPE_STRING, &str);
1910
1911         connman_dbus_dict_append_array(dict, "Security",
1912                                 DBUS_TYPE_STRING, append_security, service);
1913
1914         str = state2string(service->state);
1915         if (str != NULL)
1916                 connman_dbus_dict_append_basic(dict, "State",
1917                                                 DBUS_TYPE_STRING, &str);
1918
1919         str = error2string(service->error);
1920         if (str != NULL)
1921                 connman_dbus_dict_append_basic(dict, "Error",
1922                                                 DBUS_TYPE_STRING, &str);
1923
1924         if (service->strength > 0)
1925                 connman_dbus_dict_append_basic(dict, "Strength",
1926                                         DBUS_TYPE_BYTE, &service->strength);
1927
1928         connman_dbus_dict_append_basic(dict, "Favorite",
1929                                         DBUS_TYPE_BOOLEAN, &service->favorite);
1930
1931         connman_dbus_dict_append_basic(dict, "Immutable",
1932                                         DBUS_TYPE_BOOLEAN, &service->immutable);
1933
1934         if (service->favorite == TRUE)
1935                 connman_dbus_dict_append_basic(dict, "AutoConnect",
1936                                 DBUS_TYPE_BOOLEAN, &service->autoconnect);
1937         else
1938                 connman_dbus_dict_append_basic(dict, "AutoConnect",
1939                                         DBUS_TYPE_BOOLEAN, &service->favorite);
1940
1941         if (service->name != NULL)
1942                 connman_dbus_dict_append_basic(dict, "Name",
1943                                         DBUS_TYPE_STRING, &service->name);
1944
1945         switch (service->type) {
1946         case CONNMAN_SERVICE_TYPE_UNKNOWN:
1947         case CONNMAN_SERVICE_TYPE_SYSTEM:
1948         case CONNMAN_SERVICE_TYPE_GPS:
1949         case CONNMAN_SERVICE_TYPE_VPN:
1950         case CONNMAN_SERVICE_TYPE_GADGET:
1951                 break;
1952         case CONNMAN_SERVICE_TYPE_CELLULAR:
1953                 connman_dbus_dict_append_basic(dict, "Roaming",
1954                                         DBUS_TYPE_BOOLEAN, &service->roaming);
1955
1956                 connman_dbus_dict_append_dict(dict, "Ethernet",
1957                                                 append_ethernet, service);
1958                 break;
1959         case CONNMAN_SERVICE_TYPE_WIFI:
1960         case CONNMAN_SERVICE_TYPE_ETHERNET:
1961         case CONNMAN_SERVICE_TYPE_WIMAX:
1962         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
1963                 connman_dbus_dict_append_dict(dict, "Ethernet",
1964                                                 append_ethernet, service);
1965                 break;
1966         }
1967
1968         connman_dbus_dict_append_dict(dict, "IPv4", append_ipv4, service);
1969
1970         connman_dbus_dict_append_dict(dict, "IPv4.Configuration",
1971                                                 append_ipv4config, service);
1972
1973         connman_dbus_dict_append_dict(dict, "IPv6", append_ipv6, service);
1974
1975         connman_dbus_dict_append_dict(dict, "IPv6.Configuration",
1976                                                 append_ipv6config, service);
1977
1978         connman_dbus_dict_append_array(dict, "Nameservers",
1979                                 DBUS_TYPE_STRING, append_dns, service);
1980
1981         connman_dbus_dict_append_array(dict, "Nameservers.Configuration",
1982                                 DBUS_TYPE_STRING, append_dnsconfig, service);
1983
1984         connman_dbus_dict_append_array(dict, "Domains",
1985                                 DBUS_TYPE_STRING, append_domain, service);
1986
1987         connman_dbus_dict_append_array(dict, "Domains.Configuration",
1988                                 DBUS_TYPE_STRING, append_domainconfig, service);
1989
1990         connman_dbus_dict_append_dict(dict, "Proxy", append_proxy, service);
1991
1992         connman_dbus_dict_append_dict(dict, "Proxy.Configuration",
1993                                                 append_proxyconfig, service);
1994
1995         connman_dbus_dict_append_dict(dict, "Provider",
1996                                                 append_provider, service);
1997 }
1998
1999 static void append_struct(gpointer value, gpointer user_data)
2000 {
2001         struct connman_service *service = value;
2002         DBusMessageIter *iter = user_data;
2003         DBusMessageIter entry, dict;
2004
2005         if (service->path == NULL)
2006                 return;
2007
2008         dbus_message_iter_open_container(iter, DBUS_TYPE_STRUCT, NULL, &entry);
2009
2010         dbus_message_iter_append_basic(&entry, DBUS_TYPE_OBJECT_PATH,
2011                                                         &service->path);
2012
2013         connman_dbus_dict_open(&entry, &dict);
2014         append_properties(&dict, TRUE, service);
2015         connman_dbus_dict_close(&entry, &dict);
2016
2017         dbus_message_iter_close_container(iter, &entry);
2018 }
2019
2020 void __connman_service_list_struct(DBusMessageIter *iter)
2021 {
2022         g_sequence_foreach(service_list, append_struct, iter);
2023 }
2024
2025 connman_bool_t __connman_service_is_hidden(struct connman_service *service)
2026 {
2027         return service->hidden;
2028 }
2029
2030 int __connman_service_get_index(struct connman_service *service)
2031 {
2032         if (service == NULL)
2033                 return -1;
2034
2035         if (service->network != NULL)
2036                 return connman_network_get_index(service->network);
2037         else if (service->provider != NULL)
2038                 return connman_provider_get_index(service->provider);
2039
2040         return -1;
2041 }
2042
2043 void __connman_service_set_domainname(struct connman_service *service,
2044                                                 const char *domainname)
2045 {
2046         if (service == NULL || service->hidden == TRUE)
2047                 return;
2048
2049         g_free(service->domainname);
2050         service->domainname = g_strdup(domainname);
2051
2052         domain_changed(service);
2053 }
2054
2055 const char *connman_service_get_domainname(struct connman_service *service)
2056 {
2057         if (service == NULL)
2058                 return NULL;
2059
2060         if (service->domains != NULL)
2061                 return service->domains[0];
2062         else
2063                 return service->domainname;
2064 }
2065
2066 char **connman_service_get_nameservers(struct connman_service *service)
2067 {
2068         if (service == NULL)
2069                 return NULL;
2070
2071         if (service->nameservers_config != NULL)
2072                 return g_strdupv(service->nameservers_config);
2073         else if (service->nameservers != NULL ||
2074                                         service->nameservers_auto != NULL) {
2075                 int len = 0, len_auto = 0, i;
2076                 char **nameservers;
2077
2078                 if (service->nameservers != NULL)
2079                         len = g_strv_length(service->nameservers);
2080                 if (service->nameservers_auto != NULL)
2081                         len_auto = g_strv_length(service->nameservers_auto);
2082
2083                 nameservers = g_try_new0(char *, len + len_auto + 1);
2084                 if (nameservers == NULL)
2085                         return NULL;
2086
2087                 for (i = 0; i < len; i++)
2088                         nameservers[i] = g_strdup(service->nameservers[i]);
2089
2090                 for (i = 0; i < len_auto; i++)
2091                         nameservers[i + len] =
2092                                 g_strdup(service->nameservers_auto[i]);
2093
2094                 return nameservers;
2095         }
2096
2097         return NULL;
2098 }
2099
2100 char **connman_service_get_timeservers(struct connman_service *service)
2101 {
2102         if (service == NULL)
2103                 return NULL;
2104
2105         if (service->timeservers != NULL)
2106                 return service->timeservers;
2107
2108         return NULL;
2109 }
2110
2111 void connman_service_set_proxy_method(struct connman_service *service,
2112                                         enum connman_service_proxy_method method)
2113 {
2114         if (service == NULL || service->hidden == TRUE)
2115                 return;
2116
2117         service->proxy = method;
2118
2119         proxy_changed(service);
2120
2121         if (method != CONNMAN_SERVICE_PROXY_METHOD_AUTO)
2122                 __connman_notifier_proxy_changed(service);
2123 }
2124
2125 enum connman_service_proxy_method connman_service_get_proxy_method(
2126                                         struct connman_service *service)
2127 {
2128         if (service == NULL)
2129                 return CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN;
2130
2131         if (service->proxy_config != CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN) {
2132                 if (service->proxy_config == CONNMAN_SERVICE_PROXY_METHOD_AUTO &&
2133                                 service->pac == NULL)
2134                         return service->proxy;
2135
2136                 return service->proxy_config;
2137         }
2138
2139         return service->proxy;
2140 }
2141
2142 char **connman_service_get_proxy_servers(struct connman_service *service)
2143 {
2144         return g_strdupv(service->proxies);
2145 }
2146
2147 char **connman_service_get_proxy_excludes(struct connman_service *service)
2148 {
2149         return g_strdupv(service->excludes);
2150 }
2151
2152 const char *connman_service_get_proxy_url(struct connman_service *service)
2153 {
2154         if (service == NULL)
2155                 return NULL;
2156
2157         return service->pac;
2158 }
2159
2160 void __connman_service_set_proxy_autoconfig(struct connman_service *service,
2161                                                         const char *url)
2162 {
2163         if (service == NULL || service->hidden == TRUE)
2164                 return;
2165
2166         service->proxy = CONNMAN_SERVICE_PROXY_METHOD_AUTO;
2167
2168         if (service->ipconfig_ipv4) {
2169                 if (__connman_ipconfig_set_proxy_autoconfig(
2170                             service->ipconfig_ipv4, url) < 0)
2171                         return;
2172         } else if (service->ipconfig_ipv6) {
2173                 if (__connman_ipconfig_set_proxy_autoconfig(
2174                             service->ipconfig_ipv6, url) < 0)
2175                         return;
2176         } else
2177                 return;
2178
2179         proxy_changed(service);
2180
2181         __connman_notifier_proxy_changed(service);
2182 }
2183
2184 const char *connman_service_get_proxy_autoconfig(struct connman_service *service)
2185 {
2186         if (service == NULL)
2187                 return NULL;
2188
2189         if (service->ipconfig_ipv4)
2190                 return __connman_ipconfig_get_proxy_autoconfig(
2191                                                 service->ipconfig_ipv4);
2192         else if (service->ipconfig_ipv6)
2193                 return __connman_ipconfig_get_proxy_autoconfig(
2194                                                 service->ipconfig_ipv6);
2195         return NULL;
2196 }
2197
2198 int __connman_service_timeserver_append(struct connman_service *service,
2199                                                 const char *timeserver)
2200 {
2201         int len;
2202
2203         DBG("service %p timeserver %s", service, timeserver);
2204
2205         if (timeserver == NULL)
2206                 return -EINVAL;
2207
2208         if (service->timeservers != NULL) {
2209                 int i;
2210
2211                 for (i = 0; service->timeservers[i] != NULL; i++)
2212                         if (g_strcmp0(service->timeservers[i], timeserver) == 0)
2213                                 return -EEXIST;
2214
2215                 len = g_strv_length(service->timeservers);
2216                 service->timeservers = g_try_renew(char *, service->timeservers,
2217                                                         len + 2);
2218         } else {
2219                 len = 0;
2220                 service->timeservers = g_try_new0(char *, len + 2);
2221         }
2222
2223         if (service->timeservers == NULL)
2224                 return -ENOMEM;
2225
2226         service->timeservers[len] = g_strdup(timeserver);
2227         service->timeservers[len + 1] = NULL;
2228
2229         return 0;
2230 }
2231
2232 int __connman_service_timeserver_remove(struct connman_service *service,
2233                                                 const char *timeserver)
2234 {
2235         char **servers;
2236         int len, i, j, found = 0;
2237
2238         DBG("service %p timeserver %s", service, timeserver);
2239
2240         if (timeserver == NULL)
2241                 return -EINVAL;
2242
2243         if (service->timeservers == NULL)
2244                 return 0;
2245
2246         for (i = 0; service->timeservers != NULL &&
2247                                         service->timeservers[i] != NULL; i++)
2248                 if (g_strcmp0(service->timeservers[i], timeserver) == 0) {
2249                         found = 1;
2250                         break;
2251                 }
2252
2253         if (found == 0)
2254                 return 0;
2255
2256         len = g_strv_length(service->timeservers);
2257
2258         if (len == 1) {
2259                 g_strfreev(service->timeservers);
2260                 service->timeservers = NULL;
2261
2262                 return 0;
2263         }
2264
2265         servers = g_try_new0(char *, len);
2266         if (servers == NULL)
2267                 return -ENOMEM;
2268
2269         for (i = 0, j = 0; i < len; i++) {
2270                 if (g_strcmp0(service->timeservers[i], timeserver) != 0) {
2271                         servers[j] = g_strdup(service->timeservers[i]);
2272                         if (servers[j] == NULL)
2273                                 return -ENOMEM;
2274                         j++;
2275                 }
2276         }
2277         servers[len - 1] = NULL;
2278
2279         g_strfreev(service->timeservers);
2280         service->timeservers = servers;
2281
2282         return 0;
2283 }
2284
2285 void __connman_service_set_pac(struct connman_service *service,
2286                                         const char *pac)
2287 {
2288         if (service->hidden == TRUE)
2289                 return;
2290         g_free(service->pac);
2291         service->pac = g_strdup(pac);
2292
2293         proxy_changed(service);
2294 }
2295
2296 void __connman_service_set_identity(struct connman_service *service,
2297                                         const char *identity)
2298 {
2299         if (service->immutable || service->hidden == TRUE)
2300                 return;
2301
2302         g_free(service->identity);
2303         service->identity = g_strdup(identity);
2304
2305         if (service->network != NULL)
2306                 connman_network_set_string(service->network,
2307                                         "WiFi.Identity",
2308                                         service->identity);
2309 }
2310
2311 void __connman_service_set_agent_identity(struct connman_service *service,
2312                                                 const char *agent_identity)
2313 {
2314         if (service->hidden == TRUE)
2315                 return;
2316         g_free(service->agent_identity);
2317         service->agent_identity = g_strdup(agent_identity);
2318
2319         if (service->network != NULL)
2320                 connman_network_set_string(service->network,
2321                                         "WiFi.AgentIdentity",
2322                                         service->agent_identity);
2323 }
2324
2325 void __connman_service_set_passphrase(struct connman_service *service,
2326                                         const char* passphrase)
2327 {
2328         if (service->immutable == TRUE || service->hidden == TRUE)
2329                 return;
2330
2331         g_free(service->passphrase);
2332         service->passphrase = g_strdup(passphrase);
2333
2334         if (service->network != NULL)
2335                 connman_network_set_string(service->network,
2336                                         "WiFi.Passphrase",
2337                                         service->passphrase);
2338
2339         service_save(service);
2340 }
2341
2342 void __connman_service_set_agent_passphrase(struct connman_service *service,
2343                                                 const char *agent_passphrase)
2344 {
2345         if (service->hidden == TRUE)
2346                 return;
2347         g_free(service->agent_passphrase);
2348         service->agent_passphrase = g_strdup(agent_passphrase);
2349
2350         if (service->network != NULL)
2351                 connman_network_set_string(service->network,
2352                                         "WiFi.AgentPassphrase",
2353                                         service->agent_passphrase);
2354 }
2355
2356 static DBusMessage *get_properties(DBusConnection *conn,
2357                                         DBusMessage *msg, void *user_data)
2358 {
2359         struct connman_service *service = user_data;
2360         DBusMessage *reply;
2361         DBusMessageIter array, dict;
2362
2363         DBG("service %p", service);
2364
2365         reply = dbus_message_new_method_return(msg);
2366         if (reply == NULL)
2367                 return NULL;
2368
2369         dbus_message_iter_init_append(reply, &array);
2370
2371         connman_dbus_dict_open(&array, &dict);
2372         append_properties(&dict, FALSE, service);
2373         connman_dbus_dict_close(&array, &dict);
2374
2375         return reply;
2376 }
2377
2378 static int update_proxy_configuration(struct connman_service *service,
2379                                 DBusMessageIter *array)
2380 {
2381         DBusMessageIter dict;
2382         enum connman_service_proxy_method method;
2383         GString *servers_str = NULL;
2384         GString *excludes_str = NULL;
2385         const char *url = NULL;
2386
2387         method = CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN;
2388
2389         dbus_message_iter_recurse(array, &dict);
2390
2391         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
2392                 DBusMessageIter entry, variant;
2393                 const char *key;
2394                 int type;
2395
2396                 dbus_message_iter_recurse(&dict, &entry);
2397
2398                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
2399                         goto error;
2400
2401                 dbus_message_iter_get_basic(&entry, &key);
2402                 dbus_message_iter_next(&entry);
2403
2404                 if (dbus_message_iter_get_arg_type(&entry) !=
2405                                                         DBUS_TYPE_VARIANT)
2406                         goto error;
2407
2408                 dbus_message_iter_recurse(&entry, &variant);
2409                 type = dbus_message_iter_get_arg_type(&variant);
2410
2411                 if (g_str_equal(key, "Method") == TRUE) {
2412                         const char *val;
2413
2414                         if (type != DBUS_TYPE_STRING)
2415                                 goto error;
2416
2417                         dbus_message_iter_get_basic(&variant, &val);
2418                         method = string2proxymethod(val);
2419                 } else if (g_str_equal(key, "URL") == TRUE) {
2420                         if (type != DBUS_TYPE_STRING)
2421                                 goto error;
2422
2423                         dbus_message_iter_get_basic(&variant, &url);
2424                 } else if (g_str_equal(key, "Servers") == TRUE) {
2425                         DBusMessageIter str_array;
2426
2427                         if (type != DBUS_TYPE_ARRAY)
2428                                 goto error;
2429
2430                         servers_str = g_string_new(NULL);
2431                         if (servers_str == NULL)
2432                                 goto error;
2433
2434                         dbus_message_iter_recurse(&variant, &str_array);
2435
2436                         while (dbus_message_iter_get_arg_type(&str_array) ==
2437                                                         DBUS_TYPE_STRING) {
2438                                 char *val = NULL;
2439
2440                                 dbus_message_iter_get_basic(&str_array, &val);
2441
2442                                 if (servers_str->len > 0)
2443                                         g_string_append_printf(servers_str,
2444                                                         " %s", val);
2445                                 else
2446                                         g_string_append(servers_str, val);
2447
2448                                 dbus_message_iter_next(&str_array);
2449                         }
2450                 } else if (g_str_equal(key, "Excludes") == TRUE) {
2451                         DBusMessageIter str_array;
2452
2453                         if (type != DBUS_TYPE_ARRAY)
2454                                 goto error;
2455
2456                         excludes_str = g_string_new(NULL);
2457                         if (excludes_str == NULL)
2458                                 goto error;
2459
2460                         dbus_message_iter_recurse(&variant, &str_array);
2461
2462                         while (dbus_message_iter_get_arg_type(&str_array) ==
2463                                                         DBUS_TYPE_STRING) {
2464                                 char *val = NULL;
2465
2466                                 dbus_message_iter_get_basic(&str_array, &val);
2467
2468                                 if (excludes_str->len > 0)
2469                                         g_string_append_printf(excludes_str,
2470                                                         " %s", val);
2471                                 else
2472                                         g_string_append(excludes_str, val);
2473
2474                                 dbus_message_iter_next(&str_array);
2475                         }
2476                 }
2477
2478                 dbus_message_iter_next(&dict);
2479         }
2480
2481         switch (method) {
2482         case CONNMAN_SERVICE_PROXY_METHOD_DIRECT:
2483                 break;
2484         case CONNMAN_SERVICE_PROXY_METHOD_MANUAL:
2485                 if (servers_str == NULL && service->proxies == NULL)
2486                         goto error;
2487
2488                 if (servers_str != NULL) {
2489                         g_strfreev(service->proxies);
2490
2491                         if (servers_str->len > 0)
2492                                 service->proxies = g_strsplit_set(
2493                                         servers_str->str, " ", 0);
2494                         else
2495                                 service->proxies = NULL;
2496                 }
2497
2498                 if (excludes_str != NULL) {
2499                         g_strfreev(service->excludes);
2500
2501                         if (excludes_str->len > 0)
2502                                 service->excludes = g_strsplit_set(
2503                                         excludes_str->str, " ", 0);
2504                         else
2505                                 service->excludes = NULL;
2506                 }
2507
2508                 if (service->proxies == NULL)
2509                         method = CONNMAN_SERVICE_PROXY_METHOD_DIRECT;
2510
2511                 break;
2512         case CONNMAN_SERVICE_PROXY_METHOD_AUTO:
2513                 g_free(service->pac);
2514
2515                 if (url != NULL && strlen(url) > 0)
2516                         service->pac = g_strdup(url);
2517                 else
2518                         service->pac = NULL;
2519
2520                 /* if we are connected:
2521                    - if service->pac == NULL
2522                    - if __connman_ipconfig_get_proxy_autoconfig(
2523                    service->ipconfig) == NULL
2524                    --> We should start WPAD */
2525
2526                 break;
2527         case CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN:
2528                 goto error;
2529         }
2530
2531         if (servers_str != NULL)
2532                 g_string_free(servers_str, TRUE);
2533
2534         if (excludes_str != NULL)
2535                 g_string_free(excludes_str, TRUE);
2536
2537         service->proxy_config = method;
2538
2539         return 0;
2540
2541 error:
2542         if (servers_str != NULL)
2543                 g_string_free(servers_str, TRUE);
2544
2545         if (excludes_str != NULL)
2546                 g_string_free(excludes_str, TRUE);
2547
2548         return -EINVAL;
2549 }
2550
2551 static int set_ipconfig(struct connman_service *service,
2552                         struct connman_ipconfig *ipconfig,
2553                         DBusMessageIter *array,
2554                         enum connman_service_state state,
2555                         enum connman_service_state *new_state)
2556 {
2557         enum connman_ipconfig_method old_method;
2558         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
2559         enum connman_ipconfig_type type;
2560         int err;
2561
2562         if (ipconfig == NULL)
2563                 return -EINVAL;
2564
2565         old_method = __connman_ipconfig_get_method(ipconfig);
2566
2567         if (is_connecting_state(service, state) ||
2568                                         is_connected_state(service, state))
2569                 __connman_network_clear_ipconfig(service->network, ipconfig);
2570
2571         err = __connman_ipconfig_set_config(ipconfig, array);
2572         method = __connman_ipconfig_get_method(ipconfig);
2573         type = __connman_ipconfig_get_config_type(ipconfig);
2574
2575         if (type == CONNMAN_IPCONFIG_TYPE_IPV4) {
2576                 if (err == 0 && old_method == CONNMAN_IPCONFIG_METHOD_OFF &&
2577                                 method == CONNMAN_IPCONFIG_METHOD_DHCP) {
2578                         *new_state = service->state_ipv4 =
2579                                 CONNMAN_SERVICE_STATE_CONFIGURATION;
2580                         __connman_ipconfig_enable(ipconfig);
2581                 }
2582
2583         } else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
2584                 if (err == 0 && old_method == CONNMAN_IPCONFIG_METHOD_OFF &&
2585                                 method == CONNMAN_IPCONFIG_METHOD_AUTO) {
2586                         *new_state = service->state_ipv6;
2587                         __connman_ipconfig_enable(ipconfig);
2588                 }
2589         }
2590
2591         DBG("err %d ipconfig %p type %d method %d state %s", err, ipconfig,
2592                 type, method, state2string(*new_state));
2593
2594         return err;
2595 }
2596
2597 static DBusMessage *set_property(DBusConnection *conn,
2598                                         DBusMessage *msg, void *user_data)
2599 {
2600         struct connman_service *service = user_data;
2601         DBusMessageIter iter, value;
2602         const char *name;
2603         int type;
2604
2605         DBG("service %p", service);
2606
2607         if (dbus_message_iter_init(msg, &iter) == FALSE)
2608                 return __connman_error_invalid_arguments(msg);
2609
2610         dbus_message_iter_get_basic(&iter, &name);
2611         dbus_message_iter_next(&iter);
2612         dbus_message_iter_recurse(&iter, &value);
2613
2614         type = dbus_message_iter_get_arg_type(&value);
2615
2616         if (g_str_equal(name, "AutoConnect") == TRUE) {
2617                 connman_bool_t autoconnect;
2618
2619                 if (type != DBUS_TYPE_BOOLEAN)
2620                         return __connman_error_invalid_arguments(msg);
2621
2622                 if (service->favorite == FALSE)
2623                         return __connman_error_invalid_service(msg);
2624
2625                 dbus_message_iter_get_basic(&value, &autoconnect);
2626
2627                 if (service->autoconnect == autoconnect)
2628                         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
2629
2630                 service->autoconnect = autoconnect;
2631
2632                 autoconnect_changed(service);
2633
2634                 service_save(service);
2635         } else if (g_str_equal(name, "Nameservers.Configuration") == TRUE) {
2636                 DBusMessageIter entry;
2637                 GString *str;
2638                 int index;
2639                 const char *gw;
2640
2641                 if (type != DBUS_TYPE_ARRAY)
2642                         return __connman_error_invalid_arguments(msg);
2643
2644                 str = g_string_new(NULL);
2645                 if (str == NULL)
2646                         return __connman_error_invalid_arguments(msg);
2647
2648                 index = connman_network_get_index(service->network);
2649                 gw = __connman_ipconfig_get_gateway_from_index(index);
2650
2651                 if (gw && strlen(gw))
2652                         __connman_service_nameserver_del_routes(service);
2653
2654                 dbus_message_iter_recurse(&value, &entry);
2655
2656                 while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
2657                         const char *val;
2658                         dbus_message_iter_get_basic(&entry, &val);
2659                         dbus_message_iter_next(&entry);
2660                         if (str->len > 0)
2661                                 g_string_append_printf(str, " %s", val);
2662                         else
2663                                 g_string_append(str, val);
2664                 }
2665
2666                 g_strfreev(service->nameservers_config);
2667
2668                 if (str->len > 0) {
2669                         service->nameservers_config =
2670                                 g_strsplit_set(str->str, " ", 0);
2671                 } else {
2672                         service->nameservers_config = NULL;
2673                 }
2674
2675                 g_string_free(str, TRUE);
2676
2677                 if (gw && strlen(gw))
2678                         __connman_service_nameserver_add_routes(service, gw);
2679
2680                 update_nameservers(service);
2681                 dns_configuration_changed(service);
2682
2683                 service_save(service);
2684         } else if (g_str_equal(name, "Domains.Configuration") == TRUE) {
2685                 DBusMessageIter entry;
2686                 GString *str;
2687
2688                 if (type != DBUS_TYPE_ARRAY)
2689                         return __connman_error_invalid_arguments(msg);
2690
2691                 str = g_string_new(NULL);
2692                 if (str == NULL)
2693                         return __connman_error_invalid_arguments(msg);
2694
2695                 dbus_message_iter_recurse(&value, &entry);
2696
2697                 while (dbus_message_iter_get_arg_type(&entry) == DBUS_TYPE_STRING) {
2698                         const char *val;
2699                         dbus_message_iter_get_basic(&entry, &val);
2700                         dbus_message_iter_next(&entry);
2701                         if (str->len > 0)
2702                                 g_string_append_printf(str, " %s", val);
2703                         else
2704                                 g_string_append(str, val);
2705                 }
2706
2707                 g_strfreev(service->domains);
2708
2709                 if (str->len > 0)
2710                         service->domains = g_strsplit_set(str->str, " ", 0);
2711                 else
2712                         service->domains = NULL;
2713
2714                 g_string_free(str, TRUE);
2715
2716                 update_nameservers(service);
2717                 domain_configuration_changed(service);
2718
2719                 service_save(service);
2720         } else if (g_str_equal(name, "Proxy.Configuration") == TRUE) {
2721                 int err;
2722
2723                 if (type != DBUS_TYPE_ARRAY)
2724                         return __connman_error_invalid_arguments(msg);
2725
2726                 err = update_proxy_configuration(service, &value);
2727
2728                 if (err < 0)
2729                         return __connman_error_failed(msg, -err);
2730
2731                 proxy_configuration_changed(service);
2732
2733                 __connman_notifier_proxy_changed(service);
2734
2735                 service_save(service);
2736         } else if (g_str_equal(name, "IPv4.Configuration") == TRUE ||
2737                         g_str_equal(name, "IPv6.Configuration")) {
2738
2739                 struct connman_ipconfig *ipv4 = NULL, *ipv6 = NULL;
2740                 enum connman_service_state state =
2741                                                 CONNMAN_SERVICE_STATE_UNKNOWN;
2742                 int err = 0;
2743
2744                 DBG("%s", name);
2745
2746                 if (service->ipconfig_ipv4 == NULL &&
2747                                         service->ipconfig_ipv6 == NULL)
2748                         return __connman_error_invalid_property(msg);
2749
2750                 if (g_str_equal(name, "IPv4.Configuration") == TRUE) {
2751                         ipv4 = service->ipconfig_ipv4;
2752                         err = set_ipconfig(service, ipv4, &value,
2753                                         service->state_ipv4, &state);
2754
2755                 } else if (g_str_equal(name, "IPv6.Configuration") == TRUE) {
2756                         ipv6 = service->ipconfig_ipv6;
2757                         err = set_ipconfig(service, ipv6, &value,
2758                                         service->state_ipv6, &state);
2759                 }
2760
2761                 if (err < 0) {
2762                         if (is_connected_state(service, state) ||
2763                                         is_connecting_state(service, state))
2764                                 __connman_network_set_ipconfig(service->network,
2765                                                                 ipv4, ipv6);
2766                         return __connman_error_failed(msg, -err);
2767                 }
2768
2769                 if (ipv4)
2770                         ipv4_configuration_changed(service);
2771                 else if (ipv6)
2772                         ipv6_configuration_changed(service);
2773
2774                 if (is_connecting(service) || is_connected(service))
2775                         __connman_network_set_ipconfig(service->network,
2776                                                         ipv4, ipv6);
2777
2778                 service_save(service);
2779         } else
2780                 return __connman_error_invalid_property(msg);
2781
2782         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
2783 }
2784
2785 static void set_idle(struct connman_service *service)
2786 {
2787         service->state = service->state_ipv4 = service->state_ipv6 =
2788                                                 CONNMAN_SERVICE_STATE_IDLE;
2789         service->error = CONNMAN_SERVICE_ERROR_UNKNOWN;
2790         state_changed(service);
2791 }
2792
2793 static DBusMessage *clear_property(DBusConnection *conn,
2794                                         DBusMessage *msg, void *user_data)
2795 {
2796         struct connman_service *service = user_data;
2797         const char *name;
2798
2799         DBG("service %p", service);
2800
2801         dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &name,
2802                                                         DBUS_TYPE_INVALID);
2803
2804         if (g_str_equal(name, "Error") == TRUE) {
2805                 set_idle(service);
2806
2807                 g_get_current_time(&service->modified);
2808                 service_save(service);
2809         } else
2810                 return __connman_error_invalid_property(msg);
2811
2812         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
2813 }
2814
2815 static connman_bool_t is_ignore(struct connman_service *service)
2816 {
2817         if (service->autoconnect == FALSE)
2818                 return TRUE;
2819
2820         if (service->roaming == TRUE)
2821                 return TRUE;
2822
2823         if (service->ignore == TRUE)
2824                 return TRUE;
2825
2826         if (service->state == CONNMAN_SERVICE_STATE_FAILURE)
2827                 return TRUE;
2828
2829         return FALSE;
2830 }
2831
2832 void __connman_service_auto_connect(void)
2833 {
2834         struct connman_service *service = NULL;
2835         GSequenceIter *iter;
2836
2837         DBG("");
2838
2839         if (__connman_session_mode() == TRUE) {
2840                 DBG("Session mode enabled: auto connect disabled");
2841                 return;
2842         }
2843
2844         iter = g_sequence_get_begin_iter(service_list);
2845
2846         while (g_sequence_iter_is_end(iter) == FALSE) {
2847                 service = g_sequence_get(iter);
2848
2849                 if (service->pending != NULL)
2850                         return;
2851
2852                 if (is_connecting(service) == TRUE)
2853                         return;
2854
2855                 if (service->favorite == FALSE)
2856                         return;
2857
2858                 if (is_connected(service) == TRUE)
2859                         return;
2860
2861                 if (is_ignore(service) == FALSE && service->state ==
2862                                                 CONNMAN_SERVICE_STATE_IDLE)
2863                         break;
2864
2865                 service = NULL;
2866
2867                 iter = g_sequence_iter_next(iter);
2868         }
2869
2870         if (service != NULL) {
2871                 service->userconnect = FALSE;
2872                 __connman_service_connect(service);
2873         }
2874 }
2875
2876 static void remove_timeout(struct connman_service *service)
2877 {
2878         if (service->timeout > 0) {
2879                 g_source_remove(service->timeout);
2880                 service->timeout = 0;
2881         }
2882 }
2883
2884 static void reply_pending(struct connman_service *service, int error)
2885 {
2886         remove_timeout(service);
2887
2888         if (service->pending != NULL) {
2889                 if (error > 0) {
2890                         DBusMessage *reply;
2891
2892                         reply = __connman_error_failed(service->pending,
2893                                                                 error);
2894                         if (reply != NULL)
2895                                 g_dbus_send_message(connection, reply);
2896                 } else {
2897                         const char *sender;
2898
2899                         sender = dbus_message_get_interface(service->pending);
2900
2901                         DBG("sender %s", sender);
2902
2903                         if (g_strcmp0(sender, CONNMAN_MANAGER_INTERFACE) == 0)
2904                                 g_dbus_send_reply(connection, service->pending,
2905                                         DBUS_TYPE_OBJECT_PATH, &service->path,
2906                                                         DBUS_TYPE_INVALID);
2907                         else
2908                                 g_dbus_send_reply(connection, service->pending,
2909                                                         DBUS_TYPE_INVALID);
2910                 }
2911
2912                 dbus_message_unref(service->pending);
2913                 service->pending = NULL;
2914         }
2915 }
2916
2917 static gboolean connect_timeout(gpointer user_data)
2918 {
2919         struct connman_service *service = user_data;
2920         connman_bool_t autoconnect = FALSE;
2921
2922         DBG("service %p", service);
2923
2924         service->timeout = 0;
2925
2926         if (service->network != NULL)
2927                 __connman_network_disconnect(service->network);
2928
2929         __connman_ipconfig_disable(service->ipconfig_ipv4);
2930         __connman_ipconfig_disable(service->ipconfig_ipv6);
2931
2932         __connman_stats_service_unregister(service);
2933
2934         if (service->pending != NULL) {
2935                 DBusMessage *reply;
2936
2937                 reply = __connman_error_operation_timeout(service->pending);
2938                 if (reply != NULL)
2939                         g_dbus_send_message(connection, reply);
2940
2941                 dbus_message_unref(service->pending);
2942                 service->pending = NULL;
2943         } else
2944                 autoconnect = TRUE;
2945
2946         __connman_service_ipconfig_indicate_state(service,
2947                                         CONNMAN_SERVICE_STATE_FAILURE,
2948                                         CONNMAN_IPCONFIG_TYPE_IPV4);
2949         __connman_service_ipconfig_indicate_state(service,
2950                                         CONNMAN_SERVICE_STATE_FAILURE,
2951                                         CONNMAN_IPCONFIG_TYPE_IPV6);
2952
2953         if (autoconnect == TRUE && service->userconnect == FALSE)
2954                 __connman_service_auto_connect();
2955
2956         return FALSE;
2957 }
2958
2959 static void set_reconnect_state(struct connman_service *service,
2960                                                 connman_bool_t reconnect)
2961 {
2962         struct connman_device *device;
2963
2964         if (service->network == NULL)
2965                 return;
2966
2967         device = connman_network_get_device(service->network);
2968         if (device == NULL)
2969                 return;
2970
2971         __connman_device_set_reconnect(device, reconnect);
2972 }
2973
2974 static connman_bool_t get_reconnect_state(struct connman_service *service)
2975 {
2976         struct connman_device *device;
2977
2978         if (service->network == NULL)
2979                 return FALSE;
2980
2981         device = connman_network_get_device(service->network);
2982         if (device == NULL)
2983                 return FALSE;
2984
2985         return __connman_device_get_reconnect(device);
2986 }
2987
2988 static DBusMessage *connect_service(DBusConnection *conn,
2989                                         DBusMessage *msg, void *user_data)
2990 {
2991         struct connman_service *service = user_data;
2992         GSequenceIter *iter;
2993         int err;
2994
2995         DBG("service %p", service);
2996
2997         if (service->pending != NULL)
2998                 return __connman_error_in_progress(msg);
2999
3000         iter = g_sequence_get_begin_iter(service_list);
3001
3002         while (g_sequence_iter_is_end(iter) == FALSE) {
3003                 struct connman_service *temp = g_sequence_get(iter);
3004
3005                 if (service->type == temp->type && is_connecting(temp) == TRUE)
3006                         return __connman_error_in_progress(msg);
3007
3008                 iter = g_sequence_iter_next(iter);
3009         }
3010
3011         service->ignore = FALSE;
3012
3013         service->userconnect = TRUE;
3014
3015         service->pending = dbus_message_ref(msg);
3016
3017         set_reconnect_state(service, FALSE);
3018
3019         err = __connman_service_connect(service);
3020         if (err < 0) {
3021                 if (service->pending == NULL)
3022                         return NULL;
3023
3024                 if (err != -EINPROGRESS) {
3025                         dbus_message_unref(service->pending);
3026                         service->pending = NULL;
3027
3028                         return __connman_error_failed(msg, -err);
3029                 }
3030
3031                 return NULL;
3032         }
3033
3034         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
3035 }
3036
3037 static DBusMessage *disconnect_service(DBusConnection *conn,
3038                                         DBusMessage *msg, void *user_data)
3039 {
3040         struct connman_service *service = user_data;
3041         int err;
3042
3043         DBG("service %p", service);
3044
3045         reply_pending(service, ECONNABORTED);
3046
3047         service->ignore = TRUE;
3048
3049         set_reconnect_state(service, FALSE);
3050
3051         err = __connman_service_disconnect(service);
3052         if (err < 0) {
3053                 if (err != -EINPROGRESS)
3054                         return __connman_error_failed(msg, -err);
3055
3056                 return NULL;
3057         }
3058
3059         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
3060 }
3061
3062 static DBusMessage *remove_service(DBusConnection *conn,
3063                                         DBusMessage *msg, void *user_data)
3064 {
3065         struct connman_service *service = user_data;
3066
3067         DBG("service %p", service);
3068
3069         if (service->type == CONNMAN_SERVICE_TYPE_ETHERNET)
3070                 return __connman_error_not_supported(msg);
3071
3072         if (service->immutable == TRUE || service->hidden == TRUE)
3073                 return __connman_error_not_supported(msg);
3074
3075         if (service->favorite == FALSE && service->state !=
3076                                                 CONNMAN_SERVICE_STATE_FAILURE)
3077                 return __connman_error_not_supported(msg);
3078
3079         set_reconnect_state(service, FALSE);
3080
3081         __connman_service_disconnect(service);
3082
3083         g_free(service->passphrase);
3084         service->passphrase = NULL;
3085
3086         set_idle(service);
3087
3088         __connman_service_set_favorite(service, FALSE);
3089         service_save(service);
3090
3091         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
3092 }
3093
3094 static gboolean check_suitable_state(enum connman_service_state a,
3095                                         enum connman_service_state b)
3096 {
3097         /*
3098          * Special check so that "ready" service can be moved before
3099          * "online" one.
3100          */
3101         if ((a == CONNMAN_SERVICE_STATE_ONLINE &&
3102                         b == CONNMAN_SERVICE_STATE_READY) ||
3103                 (b == CONNMAN_SERVICE_STATE_ONLINE &&
3104                         a == CONNMAN_SERVICE_STATE_READY))
3105                 return TRUE;
3106
3107         return a == b;
3108 }
3109
3110 static void downgrade_state(struct connman_service *service)
3111 {
3112         if (service == NULL)
3113                 return;
3114
3115         DBG("service %p state4 %d state6 %d", service, service->state_ipv4,
3116                                                 service->state_ipv6);
3117
3118         if (service->state_ipv4 == CONNMAN_SERVICE_STATE_ONLINE)
3119                 __connman_service_ipconfig_indicate_state(service,
3120                                                 CONNMAN_SERVICE_STATE_READY,
3121                                                 CONNMAN_IPCONFIG_TYPE_IPV4);
3122
3123         if (service->state_ipv6 == CONNMAN_SERVICE_STATE_ONLINE)
3124                 __connman_service_ipconfig_indicate_state(service,
3125                                                 CONNMAN_SERVICE_STATE_READY,
3126                                                 CONNMAN_IPCONFIG_TYPE_IPV6);
3127 }
3128
3129 static void apply_relevant_default_downgrade(struct connman_service *service)
3130 {
3131         struct connman_service *def_service;
3132
3133         def_service = get_default();
3134         if (def_service == NULL)
3135                 return;
3136
3137         if (def_service == service &&
3138                         def_service->state == CONNMAN_SERVICE_STATE_ONLINE)
3139                 def_service->state = CONNMAN_SERVICE_STATE_READY;
3140 }
3141
3142 static DBusMessage *move_service(DBusConnection *conn,
3143                                         DBusMessage *msg, void *user_data,
3144                                                                 gboolean before)
3145 {
3146         struct connman_service *service = user_data;
3147         struct connman_service *target;
3148         const char *path;
3149         GSequenceIter *src, *dst;
3150         enum connman_ipconfig_method target4, target6;
3151         enum connman_ipconfig_method service4, service6;
3152
3153         DBG("service %p", service);
3154
3155         dbus_message_get_args(msg, NULL, DBUS_TYPE_OBJECT_PATH, &path,
3156                                                         DBUS_TYPE_INVALID);
3157
3158         if (service->favorite == FALSE)
3159                 return __connman_error_not_supported(msg);
3160
3161         target = find_service(path);
3162         if (target == NULL || target->favorite == FALSE || target == service ||
3163                                 target->type == CONNMAN_SERVICE_TYPE_VPN)
3164                 return __connman_error_invalid_service(msg);
3165
3166         target4 = __connman_ipconfig_get_method(target->ipconfig_ipv4);
3167         target6 = __connman_ipconfig_get_method(target->ipconfig_ipv6);
3168         service4 = __connman_ipconfig_get_method(service->ipconfig_ipv4);
3169         service6 = __connman_ipconfig_get_method(service->ipconfig_ipv6);
3170
3171         DBG("target %s method %d/%d state %d/%d", target->identifier,
3172                                 target4, target6,
3173                                 target->state_ipv4, target->state_ipv6);
3174
3175         DBG("service %s method %d/%d state %d/%d", service->identifier,
3176                                 service4, service6,
3177                                 service->state_ipv4, service->state_ipv6);
3178
3179         /*
3180          * If method is OFF, then we do not need to check the corresponding
3181          * ipconfig state.
3182          */
3183         if (target4 == CONNMAN_IPCONFIG_METHOD_OFF) {
3184                 if (service6 != CONNMAN_IPCONFIG_METHOD_OFF) {
3185                         if (check_suitable_state(target->state_ipv6,
3186                                                 service->state_ipv6) == FALSE)
3187                                 return __connman_error_invalid_service(msg);
3188                 }
3189         }
3190
3191         if (target6 == CONNMAN_IPCONFIG_METHOD_OFF) {
3192                 if (service4 != CONNMAN_IPCONFIG_METHOD_OFF) {
3193                         if (check_suitable_state(target->state_ipv4,
3194                                                 service->state_ipv4) == FALSE)
3195                                 return __connman_error_invalid_service(msg);
3196                 }
3197         }
3198
3199         if (service4 == CONNMAN_IPCONFIG_METHOD_OFF) {
3200                 if (target6 != CONNMAN_IPCONFIG_METHOD_OFF) {
3201                         if (check_suitable_state(target->state_ipv6,
3202                                                 service->state_ipv6) == FALSE)
3203                                 return __connman_error_invalid_service(msg);
3204                 }
3205         }
3206
3207         if (service6 == CONNMAN_IPCONFIG_METHOD_OFF) {
3208                 if (target4 != CONNMAN_IPCONFIG_METHOD_OFF) {
3209                         if (check_suitable_state(target->state_ipv4,
3210                                                 service->state_ipv4) == FALSE)
3211                                 return __connman_error_invalid_service(msg);
3212                 }
3213         }
3214
3215         g_get_current_time(&service->modified);
3216         service_save(service);
3217
3218         src = g_hash_table_lookup(service_hash, service->identifier);
3219         dst = g_hash_table_lookup(service_hash, target->identifier);
3220
3221         /*
3222          * If the service which goes down is the default service and is
3223          * online, we downgrade directly its state to ready so:
3224          * the service which goes up, needs to recompute its state which
3225          * is triggered via downgrading it - if relevant - to state ready.
3226          */
3227         if (before == TRUE) {
3228                 apply_relevant_default_downgrade(target);
3229                 g_sequence_move(src, dst);
3230                 downgrade_state(service);
3231         } else {
3232                 apply_relevant_default_downgrade(service);
3233                 g_sequence_move(dst, src);
3234                 downgrade_state(target);
3235         }
3236
3237         __connman_connection_update_gateway();
3238
3239         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
3240 }
3241
3242 static DBusMessage *move_before(DBusConnection *conn,
3243                                         DBusMessage *msg, void *user_data)
3244 {
3245         return move_service(conn, msg, user_data, TRUE);
3246 }
3247
3248 static DBusMessage *move_after(DBusConnection *conn,
3249                                         DBusMessage *msg, void *user_data)
3250 {
3251         return move_service(conn, msg, user_data, FALSE);
3252 }
3253
3254 static DBusMessage *reset_counters(DBusConnection *conn,
3255                                         DBusMessage *msg, void *user_data)
3256 {
3257         struct connman_service *service = user_data;
3258
3259         reset_stats(service);
3260
3261         return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
3262 }
3263
3264 static struct _services_notify {
3265         int id;
3266         GSList *added;
3267         GSList *removed;
3268 } *services_notify;
3269
3270 static void service_send_removed(void)
3271 {
3272         DBusMessage *signal;
3273         DBusMessageIter iter, array;
3274         GSList *list, *next;
3275
3276         if (services_notify->removed == NULL)
3277                 return;
3278
3279         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
3280                         CONNMAN_MANAGER_INTERFACE, "ServicesRemoved");
3281         if (signal == NULL)
3282                 return;
3283
3284         dbus_message_iter_init_append(signal, &iter);
3285         dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
3286                         DBUS_TYPE_OBJECT_PATH_AS_STRING, &array);
3287
3288         list = services_notify->removed;
3289         services_notify->removed = NULL;
3290
3291         while (list != NULL) {
3292                 char *path = list->data;
3293                 DBG("removing %s", path);
3294                 next = list->next;
3295                 dbus_message_iter_append_basic(&array,
3296                                 DBUS_TYPE_OBJECT_PATH, &list->data);
3297                 g_free(list->data);
3298                 g_slist_free_1(list);
3299                 list = next;
3300         }
3301         dbus_message_iter_close_container(&iter, &array);
3302
3303         dbus_connection_send(connection, signal, NULL);
3304         dbus_message_unref(signal);
3305 }
3306
3307 static void append_service_structs(DBusMessageIter *iter, void *user_data)
3308 {
3309         GSList *list = user_data;
3310         GSList *next;
3311
3312         while (list != NULL) {
3313                 struct connman_service *srv = list->data;
3314                 DBG("adding %s", srv->path);
3315                 next = list->next;
3316                 append_struct(list->data, iter);
3317                 g_slist_free_1(list);
3318                 list = next;
3319         }
3320 }
3321
3322 static void service_send_added(void)
3323 {
3324         DBusMessage *signal;
3325         GSList *list;
3326
3327         if (services_notify->added == NULL)
3328                 return;
3329
3330         signal = dbus_message_new_signal(CONNMAN_MANAGER_PATH,
3331                         CONNMAN_MANAGER_INTERFACE, "ServicesAdded");
3332         if (signal == NULL)
3333                 return;
3334
3335         list = services_notify->added;
3336         services_notify->added = NULL;
3337         __connman_dbus_append_objpath_dict_array(signal,
3338                         append_service_structs, list);
3339
3340         dbus_connection_send(connection, signal, NULL);
3341         dbus_message_unref(signal);
3342 }
3343
3344 static gboolean service_send_signals(gpointer data)
3345 {
3346         service_send_removed();
3347         service_send_added();
3348
3349         services_notify->id = 0;
3350         return FALSE;
3351 }
3352
3353 static void service_schedule_signals(void)
3354 {
3355         if (services_notify->id != 0)
3356                 g_source_remove(services_notify->id);
3357
3358         services_notify->id = g_timeout_add(100, service_send_signals, NULL);
3359 }
3360
3361 static void service_schedule_added(struct connman_service *service)
3362 {
3363         DBG("service %p", service);
3364
3365         services_notify->added = g_slist_prepend(services_notify->added,
3366                         service);
3367
3368         service_schedule_signals();
3369 }
3370
3371 static void service_schedule_removed(struct connman_service *service)
3372 {
3373         GSList *list;
3374
3375         DBG("service %p", service);
3376
3377         if (service == NULL || service->path == NULL) {
3378                 DBG("service %p or path is NULL", service);
3379                 return;
3380         }
3381
3382         for (list = services_notify->added; list != NULL; list = list->next) {
3383                 struct connman_service *srv = list->data;
3384                 if (service == srv) {
3385                         DBG("delete service %p from added list", srv);
3386                         break;
3387                 }
3388         }
3389
3390         if (list != NULL)
3391                 services_notify->added =
3392                         g_slist_delete_link(services_notify->added, list);
3393
3394         services_notify->removed = g_slist_prepend(services_notify->removed,
3395                         g_strdup(service->path));
3396
3397         service_schedule_signals();
3398 }
3399
3400 static GDBusMethodTable service_methods[] = {
3401         { "GetProperties", "",   "a{sv}", get_properties     },
3402         { "SetProperty",   "sv", "",      set_property       },
3403         { "ClearProperty", "s",  "",      clear_property     },
3404         { "Connect",       "",   "",      connect_service,
3405                                                 G_DBUS_METHOD_FLAG_ASYNC },
3406         { "Disconnect",    "",   "",      disconnect_service },
3407         { "Remove",        "",   "",      remove_service     },
3408         { "MoveBefore",    "o",  "",      move_before        },
3409         { "MoveAfter",     "o",  "",      move_after         },
3410         { "ResetCounters", "",   "",      reset_counters     },
3411         { },
3412 };
3413
3414 static GDBusSignalTable service_signals[] = {
3415         { "PropertyChanged", "sv" },
3416         { },
3417 };
3418
3419 static void service_free(gpointer user_data)
3420 {
3421         struct connman_service *service = user_data;
3422         char *path = service->path;
3423
3424         DBG("service %p", service);
3425
3426         reply_pending(service, ENOENT);
3427
3428         g_hash_table_remove(service_hash, service->identifier);
3429
3430         __connman_notifier_service_remove(service);
3431         service_schedule_removed(service);
3432
3433         stats_stop(service);
3434
3435         service->path = NULL;
3436
3437         if (path != NULL) {
3438                 __connman_connection_update_gateway();
3439
3440                 g_dbus_unregister_interface(connection, path,
3441                                                 CONNMAN_SERVICE_INTERFACE);
3442                 g_free(path);
3443         }
3444
3445         g_hash_table_destroy(service->counter_table);
3446
3447         if (service->network != NULL) {
3448                 __connman_network_disconnect(service->network);
3449                 connman_network_unref(service->network);
3450                 service->network = NULL;
3451         }
3452
3453         if (service->provider != NULL)
3454                 connman_provider_unref(service->provider);
3455
3456         if (service->ipconfig_ipv4 != NULL) {
3457                 __connman_ipconfig_set_ops(service->ipconfig_ipv4, NULL);
3458                 __connman_ipconfig_set_data(service->ipconfig_ipv4, NULL);
3459                 __connman_ipconfig_unref(service->ipconfig_ipv4);
3460                 service->ipconfig_ipv4 = NULL;
3461         }
3462
3463         if (service->ipconfig_ipv6 != NULL) {
3464                 __connman_ipconfig_set_ops(service->ipconfig_ipv6, NULL);
3465                 __connman_ipconfig_set_data(service->ipconfig_ipv6, NULL);
3466                 __connman_ipconfig_unref(service->ipconfig_ipv6);
3467                 service->ipconfig_ipv6 = NULL;
3468         }
3469
3470         g_strfreev(service->timeservers);
3471         g_strfreev(service->nameservers);
3472         g_strfreev(service->nameservers_config);
3473         g_strfreev(service->nameservers_auto);
3474         g_strfreev(service->domains);
3475         g_strfreev(service->proxies);
3476         g_strfreev(service->excludes);
3477
3478         g_free(service->domainname);
3479         g_free(service->pac);
3480         g_free(service->name);
3481         g_free(service->passphrase);
3482         g_free(service->agent_passphrase);
3483         g_free(service->identifier);
3484         g_free(service->eap);
3485         g_free(service->identity);
3486         g_free(service->agent_identity);
3487         g_free(service->ca_cert_file);
3488         g_free(service->client_cert_file);
3489         g_free(service->private_key_file);
3490         g_free(service->private_key_passphrase);
3491         g_free(service->phase2);
3492
3493         if (service->stats.timer != NULL)
3494                 g_timer_destroy(service->stats.timer);
3495         if (service->stats_roaming.timer != NULL)
3496                 g_timer_destroy(service->stats_roaming.timer);
3497
3498         g_free(service);
3499 }
3500
3501 static void stats_init(struct connman_service *service)
3502 {
3503         /* home */
3504         service->stats.valid = FALSE;
3505         service->stats.enabled = FALSE;
3506         service->stats.timer = g_timer_new();
3507
3508         /* roaming */
3509         service->stats_roaming.valid = FALSE;
3510         service->stats_roaming.enabled = FALSE;
3511         service->stats_roaming.timer = g_timer_new();
3512 }
3513
3514 static void service_initialize(struct connman_service *service)
3515 {
3516         DBG("service %p", service);
3517
3518         service->refcount = 1;
3519         service->session_usage_count = 0;
3520
3521         service->type     = CONNMAN_SERVICE_TYPE_UNKNOWN;
3522         service->security = CONNMAN_SERVICE_SECURITY_UNKNOWN;
3523
3524         service->state = CONNMAN_SERVICE_STATE_UNKNOWN;
3525         service->state_ipv4 = CONNMAN_SERVICE_STATE_UNKNOWN;
3526         service->state_ipv6 = CONNMAN_SERVICE_STATE_UNKNOWN;
3527
3528         service->favorite  = FALSE;
3529         service->immutable = FALSE;
3530         service->hidden = FALSE;
3531
3532         service->ignore = FALSE;
3533
3534         service->userconnect = FALSE;
3535
3536         service->order = 0;
3537
3538         stats_init(service);
3539
3540         service->provider = NULL;
3541
3542         service->wps = FALSE;
3543 }
3544
3545 /**
3546  * connman_service_create:
3547  *
3548  * Allocate a new service.
3549  *
3550  * Returns: a newly-allocated #connman_service structure
3551  */
3552 struct connman_service *connman_service_create(void)
3553 {
3554         GSList *list;
3555         struct connman_stats_counter *counters;
3556         const char *counter;
3557
3558         struct connman_service *service;
3559
3560         service = g_try_new0(struct connman_service, 1);
3561         if (service == NULL)
3562                 return NULL;
3563
3564         DBG("service %p", service);
3565
3566         service->counter_table = g_hash_table_new_full(g_str_hash,
3567                                                 g_str_equal, NULL, g_free);
3568
3569         for (list = counter_list; list; list = list->next) {
3570                 counter = list->data;
3571
3572                 counters = g_try_new0(struct connman_stats_counter, 1);
3573                 if (counters == NULL) {
3574                         g_hash_table_destroy(service->counter_table);
3575                         g_free(service);
3576                         return NULL;
3577                 }
3578
3579                 counters->append_all = TRUE;
3580
3581                 g_hash_table_replace(service->counter_table, (gpointer)counter,
3582                                 counters);
3583         }
3584
3585         service_initialize(service);
3586
3587         return service;
3588 }
3589
3590 /**
3591  * connman_service_ref:
3592  * @service: service structure
3593  *
3594  * Increase reference counter of service
3595  */
3596 struct connman_service *
3597 connman_service_ref_debug(struct connman_service *service,
3598                         const char *file, int line, const char *caller)
3599 {
3600         DBG("%p ref %d by %s:%d:%s()", service, service->refcount + 1,
3601                 file, line, caller);
3602
3603         __sync_fetch_and_add(&service->refcount, 1);
3604
3605         return service;
3606 }
3607
3608 /**
3609  * connman_service_unref:
3610  * @service: service structure
3611  *
3612  * Decrease reference counter of service and release service if no
3613  * longer needed.
3614  */
3615 void connman_service_unref_debug(struct connman_service *service,
3616                         const char *file, int line, const char *caller)
3617 {
3618         GSequenceIter *iter;
3619
3620         DBG("%p ref %d by %s:%d:%s()", service, service->refcount - 1,
3621                 file, line, caller);
3622
3623         if (__sync_fetch_and_sub(&service->refcount, 1) != 1)
3624                 return;
3625
3626         iter = g_hash_table_lookup(service_hash, service->identifier);
3627         if (iter != NULL) {
3628                 reply_pending(service, ECONNABORTED);
3629
3630                 __connman_service_disconnect(service);
3631
3632                 g_sequence_remove(iter);
3633         } else {
3634                 service_free(service);
3635         }
3636 }
3637
3638 static gint service_compare(gconstpointer a, gconstpointer b,
3639                                                         gpointer user_data)
3640 {
3641         struct connman_service *service_a = (void *) a;
3642         struct connman_service *service_b = (void *) b;
3643         enum connman_service_state state_a, state_b;
3644
3645         state_a = service_a->state;
3646         state_b = service_b->state;
3647
3648         if (state_a != state_b) {
3649                 gboolean a_connected = is_connected(service_a);
3650                 gboolean b_connected = is_connected(service_b);
3651
3652                 if (a_connected == TRUE && b_connected == TRUE) {
3653                         /* We prefer online over ready state */
3654                         if (state_a == CONNMAN_SERVICE_STATE_ONLINE)
3655                                 return -1;
3656
3657                         if (state_b == CONNMAN_SERVICE_STATE_ONLINE)
3658                                 return 1;
3659                 }
3660
3661                 if (a_connected == TRUE)
3662                         return -1;
3663                 if (b_connected == TRUE)
3664                         return 1;
3665
3666                 if (is_connecting(service_a) == TRUE)
3667                         return -1;
3668                 if (is_connecting(service_b) == TRUE)
3669                         return 1;
3670         }
3671
3672         if (service_a->order > service_b->order)
3673                 return -1;
3674
3675         if (service_a->order < service_b->order)
3676                 return 1;
3677
3678         if (service_a->favorite == TRUE && service_b->favorite == FALSE)
3679                 return -1;
3680
3681         if (service_a->favorite == FALSE && service_b->favorite == TRUE)
3682                 return 1;
3683
3684         if (service_a->type != service_b->type) {
3685                 switch (service_a->type) {
3686                 case CONNMAN_SERVICE_TYPE_UNKNOWN:
3687                 case CONNMAN_SERVICE_TYPE_SYSTEM:
3688                 case CONNMAN_SERVICE_TYPE_ETHERNET:
3689                 case CONNMAN_SERVICE_TYPE_GPS:
3690                 case CONNMAN_SERVICE_TYPE_VPN:
3691                 case CONNMAN_SERVICE_TYPE_GADGET:
3692                         break;
3693                 case CONNMAN_SERVICE_TYPE_WIFI:
3694                         return 1;
3695                 case CONNMAN_SERVICE_TYPE_WIMAX:
3696                 case CONNMAN_SERVICE_TYPE_BLUETOOTH:
3697                 case CONNMAN_SERVICE_TYPE_CELLULAR:
3698                         return -1;
3699                 }
3700         }
3701
3702         return (gint) service_b->strength - (gint) service_a->strength;
3703 }
3704
3705 /**
3706  * connman_service_get_type:
3707  * @service: service structure
3708  *
3709  * Get the type of service
3710  */
3711 enum connman_service_type connman_service_get_type(struct connman_service *service)
3712 {
3713         if (service == NULL)
3714                 return CONNMAN_SERVICE_TYPE_UNKNOWN;
3715
3716         return service->type;
3717 }
3718
3719 /**
3720  * connman_service_get_interface:
3721  * @service: service structure
3722  *
3723  * Get network interface of service
3724  */
3725 char *connman_service_get_interface(struct connman_service *service)
3726 {
3727         int index;
3728
3729         if (service == NULL)
3730                 return NULL;
3731
3732         if (service->type == CONNMAN_SERVICE_TYPE_VPN) {
3733                 if (service->ipconfig_ipv4)
3734                         index = __connman_ipconfig_get_index(
3735                                                 service->ipconfig_ipv4);
3736                 else if (service->ipconfig_ipv6)
3737                         index = __connman_ipconfig_get_index(
3738                                                 service->ipconfig_ipv6);
3739                 else
3740                         return NULL;
3741
3742                 return connman_inet_ifname(index);
3743         }
3744
3745         if (service->network == NULL)
3746                 return NULL;
3747
3748         index = connman_network_get_index(service->network);
3749
3750         return connman_inet_ifname(index);
3751 }
3752
3753 /**
3754  * connman_service_get_network:
3755  * @service: service structure
3756  *
3757  * Get the service network
3758  */
3759 struct connman_network *
3760 __connman_service_get_network(struct connman_service *service)
3761 {
3762         if (service == NULL)
3763                 return NULL;
3764
3765         return service->network;
3766 }
3767
3768 struct connman_ipconfig *
3769 __connman_service_get_ip4config(struct connman_service *service)
3770 {
3771         if (service == NULL)
3772                 return NULL;
3773
3774         return service->ipconfig_ipv4;
3775 }
3776
3777 struct connman_ipconfig *
3778 __connman_service_get_ip6config(struct connman_service *service)
3779 {
3780         if (service == NULL)
3781                 return NULL;
3782
3783         return service->ipconfig_ipv6;
3784 }
3785
3786 struct connman_ipconfig *
3787 __connman_service_get_ipconfig(struct connman_service *service, int family)
3788 {
3789         if (family == AF_INET)
3790                 return __connman_service_get_ip4config(service);
3791         else if (family == AF_INET6)
3792                 return __connman_service_get_ip6config(service);
3793         else
3794                 return NULL;
3795
3796 }
3797
3798 enum connman_service_security __connman_service_get_security(struct connman_service *service)
3799 {
3800         if (service == NULL)
3801                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
3802
3803         return service->security;
3804 }
3805
3806 const char *__connman_service_get_phase2(struct connman_service *service)
3807 {
3808         if (service == NULL)
3809                 return NULL;
3810
3811         return service->phase2;
3812 }
3813
3814 connman_bool_t __connman_service_wps_enabled(struct connman_service *service)
3815 {
3816         if (service == NULL)
3817                 return FALSE;
3818
3819         return service->wps;
3820 }
3821
3822 /**
3823  * __connman_service_set_favorite:
3824  * @service: service structure
3825  * @favorite: favorite value
3826  *
3827  * Change the favorite setting of service
3828  */
3829 int __connman_service_set_favorite(struct connman_service *service,
3830                                                 connman_bool_t favorite)
3831 {
3832         GSequenceIter *iter;
3833
3834         if (service->hidden == TRUE)
3835                 return -EOPNOTSUPP;
3836         iter = g_hash_table_lookup(service_hash, service->identifier);
3837         if (iter == NULL)
3838                 return -ENOENT;
3839
3840         if (service->favorite == favorite)
3841                 return -EALREADY;
3842
3843         service->favorite = favorite;
3844         service->order = __connman_service_get_order(service);
3845
3846         favorite_changed(service);
3847
3848         g_sequence_sort_changed(iter, service_compare, NULL);
3849
3850         __connman_connection_update_gateway();
3851
3852         return 0;
3853 }
3854
3855 int __connman_service_set_immutable(struct connman_service *service,
3856                                                 connman_bool_t immutable)
3857 {
3858         if (service->hidden == TRUE)
3859                 return -EOPNOTSUPP;
3860         service->immutable = immutable;
3861
3862         immutable_changed(service);
3863
3864         return 0;
3865 }
3866
3867 void __connman_service_set_string(struct connman_service *service,
3868                                   const char *key, const char *value)
3869 {
3870         if (service->hidden == TRUE)
3871                 return;
3872         if (g_str_equal(key, "EAP") == TRUE) {
3873                 g_free(service->eap);
3874                 service->eap = g_strdup(value);
3875         } else if (g_str_equal(key, "Identity") == TRUE) {
3876                 g_free(service->identity);
3877                 service->identity = g_strdup(value);
3878         } else if (g_str_equal(key, "CACertFile") == TRUE) {
3879                 g_free(service->ca_cert_file);
3880                 service->ca_cert_file = g_strdup(value);
3881         } else if (g_str_equal(key, "ClientCertFile") == TRUE) {
3882                 g_free(service->client_cert_file);
3883                 service->client_cert_file = g_strdup(value);
3884         } else if (g_str_equal(key, "PrivateKeyFile") == TRUE) {
3885                 g_free(service->private_key_file);
3886                 service->private_key_file = g_strdup(value);
3887         } else if (g_str_equal(key, "PrivateKeyPassphrase") == TRUE) {
3888                 g_free(service->private_key_passphrase);
3889                 service->private_key_passphrase = g_strdup(value);
3890         } else if (g_str_equal(key, "Phase2") == TRUE) {
3891                 g_free(service->phase2);
3892                 service->phase2 = g_strdup(value);
3893         } else if (g_str_equal(key, "Passphrase") == TRUE) {
3894                 g_free(service->passphrase);
3895                 service->passphrase = g_strdup(value);
3896         }
3897 }
3898
3899 static void service_complete(struct connman_service *service)
3900 {
3901         reply_pending(service, EIO);
3902
3903         if (service->userconnect == FALSE)
3904                 __connman_service_auto_connect();
3905
3906         g_get_current_time(&service->modified);
3907         service_save(service);
3908 }
3909
3910 static void report_error_cb(struct connman_service *service,
3911                         gboolean retry, void *user_data)
3912 {
3913         if (retry == TRUE)
3914                 __connman_service_connect(service);
3915         else {
3916                 service_complete(service);
3917                 __connman_connection_update_gateway();
3918                 __connman_device_request_scan(CONNMAN_DEVICE_TYPE_UNKNOWN);
3919         }
3920 }
3921
3922 void __connman_service_add_passphrase(struct connman_service *service,
3923                                 const gchar *passphrase)
3924 {
3925         switch (service->security) {
3926         case CONNMAN_SERVICE_SECURITY_WEP:
3927         case CONNMAN_SERVICE_SECURITY_PSK:
3928                 __connman_service_set_passphrase(service, passphrase);
3929                 break;
3930         case CONNMAN_SERVICE_SECURITY_8021X:
3931                 __connman_service_set_agent_passphrase(service,
3932                                                 passphrase);
3933                 break;
3934         case CONNMAN_SERVICE_SECURITY_UNKNOWN:
3935         case CONNMAN_SERVICE_SECURITY_NONE:
3936         case CONNMAN_SERVICE_SECURITY_WPA:
3937         case CONNMAN_SERVICE_SECURITY_RSN:
3938                 DBG("service security '%s' (%d) not handled",
3939                                 security2string(service->security),
3940                                 service->security);
3941                 break;
3942         }
3943
3944 }
3945
3946 static void request_input_cb (struct connman_service *service,
3947                         connman_bool_t values_received,
3948                         const char *name, int name_len,
3949                         const char *identity, const char *passphrase,
3950                         void *user_data)
3951 {
3952         struct connman_device *device;
3953
3954         DBG ("RequestInput return, %p", service);
3955
3956         if (service->hidden == TRUE && name_len > 0 && name_len <= 32) {
3957                 device = connman_network_get_device(service->network);
3958                 __connman_device_request_hidden_scan(device,
3959                                                 name, name_len,
3960                                                 identity, passphrase);
3961         }
3962
3963         if (values_received == FALSE || service->hidden == TRUE) {
3964                 service_complete(service);
3965                 __connman_connection_update_gateway();
3966                 __connman_device_request_scan(CONNMAN_DEVICE_TYPE_UNKNOWN);
3967                 return;
3968         }
3969
3970         if (identity != NULL)
3971                 __connman_service_set_agent_identity(service, identity);
3972
3973         if (passphrase != NULL)
3974                 __connman_service_add_passphrase(service, passphrase);
3975
3976         __connman_service_connect(service);
3977
3978         /* Never cache agent provided credentials */
3979         __connman_service_set_agent_identity(service, NULL);
3980         __connman_service_set_agent_passphrase(service, NULL);
3981 }
3982
3983 static void downgrade_connected_services(void)
3984 {
3985         struct connman_service *up_service;
3986         GSequenceIter *iter;
3987
3988         iter = g_sequence_get_begin_iter(service_list);
3989         while (g_sequence_iter_is_end(iter) == FALSE) {
3990                 up_service = g_sequence_get(iter);
3991
3992                 if (is_connected(up_service) == FALSE) {
3993                         iter = g_sequence_iter_next(iter);
3994                         continue;
3995                 }
3996
3997                 if (up_service->state == CONNMAN_SERVICE_STATE_ONLINE)
3998                         return;
3999
4000                 downgrade_state(up_service);
4001
4002                 iter = g_sequence_iter_next(iter);
4003         }
4004 }
4005
4006 static int service_indicate_state(struct connman_service *service)
4007 {
4008         enum connman_service_state old_state, new_state;
4009         struct connman_service *def_service;
4010         GSequenceIter *iter;
4011
4012         if (service == NULL)
4013                 return -EINVAL;
4014
4015         old_state = service->state;
4016         new_state = combine_state(service->state_ipv4, service->state_ipv6);
4017
4018         DBG("service %p old %s - new %s/%s => %s",
4019                                         service,
4020                                         state2string(old_state),
4021                                         state2string(service->state_ipv4),
4022                                         state2string(service->state_ipv6),
4023                                         state2string(new_state));
4024
4025         if (old_state == new_state)
4026                 return -EALREADY;
4027
4028         def_service = get_default();
4029
4030         if (new_state == CONNMAN_SERVICE_STATE_ONLINE) {
4031                 if (def_service != NULL && def_service != service &&
4032                         def_service->state == CONNMAN_SERVICE_STATE_ONLINE)
4033                         return -EALREADY;
4034         }
4035
4036         service->state = new_state;
4037         state_changed(service);
4038
4039         if (new_state == CONNMAN_SERVICE_STATE_IDLE &&
4040                         old_state != CONNMAN_SERVICE_STATE_DISCONNECT) {
4041                 reply_pending(service, ECONNABORTED);
4042
4043                 __connman_service_disconnect(service);
4044         }
4045
4046         if (new_state == CONNMAN_SERVICE_STATE_CONFIGURATION) {
4047                 if (__connman_stats_service_register(service) == 0) {
4048                         __connman_stats_get(service, FALSE,
4049                                                 &service->stats.data);
4050                         __connman_stats_get(service, TRUE,
4051                                                 &service->stats_roaming.data);
4052                 }
4053         }
4054
4055         if (new_state == CONNMAN_SERVICE_STATE_ONLINE)
4056                 __connman_timeserver_sync(service);
4057
4058         if (new_state == CONNMAN_SERVICE_STATE_IDLE) {
4059                 connman_bool_t reconnect;
4060
4061                 reconnect = get_reconnect_state(service);
4062                 if (reconnect == TRUE)
4063                         __connman_service_auto_connect();
4064
4065                 __connman_device_request_scan(CONNMAN_DEVICE_TYPE_UNKNOWN);
4066         }
4067
4068         if (new_state == CONNMAN_SERVICE_STATE_READY) {
4069                 enum connman_ipconfig_method method;
4070
4071                 set_reconnect_state(service, TRUE);
4072
4073                 __connman_service_set_favorite(service, TRUE);
4074
4075                 reply_pending(service, 0);
4076
4077                 service->userconnect = FALSE;
4078
4079                 g_get_current_time(&service->modified);
4080                 service_save(service);
4081
4082                 update_nameservers(service);
4083                 dns_changed(service);
4084                 domain_changed(service);
4085
4086                 __connman_notifier_connect(service->type);
4087
4088                 if (service->type == CONNMAN_SERVICE_TYPE_WIFI &&
4089                         connman_network_get_bool(service->network,
4090                                                 "WiFi.UseWPS") == TRUE) {
4091                         const char *pass;
4092
4093                         pass = connman_network_get_string(service->network,
4094                                                         "WiFi.Passphrase");
4095
4096                         __connman_service_set_passphrase(service, pass);
4097
4098                         connman_network_set_bool(service->network,
4099                                                         "WiFi.UseWPS", FALSE);
4100                 }
4101
4102                 default_changed();
4103
4104                 method = __connman_ipconfig_get_method(service->ipconfig_ipv6);
4105                 if (method == CONNMAN_IPCONFIG_METHOD_OFF)
4106                         __connman_ipconfig_disable_ipv6(
4107                                                 service->ipconfig_ipv6);
4108
4109         } else if (new_state == CONNMAN_SERVICE_STATE_DISCONNECT) {
4110                 def_service = get_default();
4111
4112                 if (__connman_notifier_count_connected() == 0 &&
4113                         def_service != NULL &&
4114                                 def_service->provider != NULL)
4115                         __connman_provider_disconnect(def_service->provider);
4116
4117                 default_changed();
4118
4119                 __connman_wispr_stop(service);
4120
4121                 __connman_wpad_stop(service);
4122
4123                 update_nameservers(service);
4124                 dns_changed(service);
4125                 domain_changed(service);
4126
4127                 __connman_timeserver_stop();
4128
4129                 __connman_notifier_disconnect(service->type);
4130
4131                 /*
4132                  * Previous services which are connected and which states
4133                  * are set to online should reset relevantly ipconfig_state
4134                  * to ready so wispr/portal will be rerun on those
4135                  */
4136                 downgrade_connected_services();
4137         }
4138
4139         if (new_state == CONNMAN_SERVICE_STATE_FAILURE) {
4140                 if (service->userconnect == TRUE &&
4141                         __connman_agent_report_error(service,
4142                                         error2string(service->error),
4143                                         report_error_cb, NULL) == -EIO)
4144                         return 0;
4145                 service_complete(service);
4146
4147                 __connman_device_request_scan(CONNMAN_DEVICE_TYPE_UNKNOWN);
4148         } else
4149                 service->error = CONNMAN_SERVICE_ERROR_UNKNOWN;
4150
4151         iter = g_hash_table_lookup(service_hash, service->identifier);
4152         if (iter != NULL)
4153                 g_sequence_sort_changed(iter, service_compare, NULL);
4154
4155         __connman_connection_update_gateway();
4156
4157         if (new_state == CONNMAN_SERVICE_STATE_ONLINE)
4158                 default_changed();
4159
4160         return 0;
4161 }
4162
4163 int __connman_service_indicate_error(struct connman_service *service,
4164                                         enum connman_service_error error)
4165 {
4166         DBG("service %p error %d", service, error);
4167
4168         if (service == NULL)
4169                 return -EINVAL;
4170
4171         service->error = error;
4172
4173         if (service->error == CONNMAN_SERVICE_ERROR_INVALID_KEY)
4174                 __connman_service_set_passphrase(service, NULL);
4175
4176         __connman_service_ipconfig_indicate_state(service,
4177                                                 CONNMAN_SERVICE_STATE_FAILURE,
4178                                                 CONNMAN_IPCONFIG_TYPE_IPV4);
4179         __connman_service_ipconfig_indicate_state(service,
4180                                                 CONNMAN_SERVICE_STATE_FAILURE,
4181                                                 CONNMAN_IPCONFIG_TYPE_IPV6);
4182         return 0;
4183 }
4184
4185 int __connman_service_clear_error(struct connman_service *service)
4186 {
4187         DBG("service %p", service);
4188
4189         if (service == NULL)
4190                 return -EINVAL;
4191
4192         if (service->state != CONNMAN_SERVICE_STATE_FAILURE)
4193                 return -EINVAL;
4194
4195         service->state_ipv4 = service->state_ipv6 =
4196                                                 CONNMAN_SERVICE_STATE_UNKNOWN;
4197         service->error = CONNMAN_SERVICE_ERROR_UNKNOWN;;
4198
4199         if (service->favorite == TRUE)
4200                 set_reconnect_state(service, TRUE);
4201
4202         __connman_service_ipconfig_indicate_state(service,
4203                                         CONNMAN_SERVICE_STATE_IDLE,
4204                                         CONNMAN_IPCONFIG_TYPE_IPV6);
4205
4206         /*
4207          * Toggling the IPv6 state to IDLE could trigger the auto connect
4208          * machinery and consequently the IPv4 state.
4209          */
4210         if (service->state_ipv4 != CONNMAN_SERVICE_STATE_UNKNOWN &&
4211                         service->state_ipv4 != CONNMAN_SERVICE_STATE_FAILURE)
4212                 return 0;
4213
4214         return __connman_service_ipconfig_indicate_state(service,
4215                                                 CONNMAN_SERVICE_STATE_IDLE,
4216                                                 CONNMAN_IPCONFIG_TYPE_IPV4);
4217 }
4218
4219 int __connman_service_indicate_default(struct connman_service *service)
4220 {
4221         DBG("service %p", service);
4222
4223         default_changed();
4224
4225         return 0;
4226 }
4227
4228 enum connman_service_state __connman_service_ipconfig_get_state(
4229                                         struct connman_service *service,
4230                                         enum connman_ipconfig_type type)
4231 {
4232         if (service == NULL)
4233                 return CONNMAN_SERVICE_STATE_UNKNOWN;
4234
4235         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
4236                 return service->state_ipv4;
4237
4238         if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
4239                 return service->state_ipv6;
4240
4241         return CONNMAN_SERVICE_STATE_UNKNOWN;
4242 }
4243
4244 static void check_proxy_setup(struct connman_service *service)
4245 {
4246         /*
4247          * We start WPAD if we haven't got a PAC URL from DHCP and
4248          * if our proxy manual configuration is either empty or set
4249          * to AUTO with an empty URL.
4250          */
4251
4252         if (service->proxy != CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN)
4253                 goto done;
4254
4255         if (service->proxy_config != CONNMAN_SERVICE_PROXY_METHOD_UNKNOWN &&
4256                 (service->proxy_config != CONNMAN_SERVICE_PROXY_METHOD_AUTO ||
4257                         service->pac != NULL))
4258                 goto done;
4259
4260         if (__connman_wpad_start(service) < 0) {
4261                 service->proxy = CONNMAN_SERVICE_PROXY_METHOD_DIRECT;
4262                 __connman_notifier_proxy_changed(service);
4263                 goto done;
4264         }
4265
4266         return;
4267
4268 done:
4269         __connman_wispr_start(service, CONNMAN_IPCONFIG_TYPE_IPV4);
4270 }
4271
4272 /*
4273  * How many networks are connected at the same time. If more than 1,
4274  * then set the rp_filter setting properly (loose mode routing) so that network
4275  * connectivity works ok. This is only done for IPv4 networks as IPv6
4276  * does not have rp_filter knob.
4277  */
4278 static int connected_networks_count;
4279 static int original_rp_filter;
4280
4281 static void service_rp_filter(struct connman_service *service,
4282                                 gboolean connected)
4283 {
4284         enum connman_ipconfig_method method;
4285
4286         method = __connman_ipconfig_get_method(service->ipconfig_ipv4);
4287
4288         switch (method) {
4289         case CONNMAN_IPCONFIG_METHOD_UNKNOWN:
4290         case CONNMAN_IPCONFIG_METHOD_OFF:
4291         case CONNMAN_IPCONFIG_METHOD_AUTO:
4292                 return;
4293         case CONNMAN_IPCONFIG_METHOD_FIXED:
4294         case CONNMAN_IPCONFIG_METHOD_MANUAL:
4295         case CONNMAN_IPCONFIG_METHOD_DHCP:
4296                 break;
4297         }
4298
4299         if (connected == TRUE) {
4300                 if (connected_networks_count == 1) {
4301                         int filter_value;
4302                         filter_value = __connman_ipconfig_set_rp_filter();
4303                         if (filter_value < 0)
4304                                 return;
4305
4306                         original_rp_filter = filter_value;
4307                 }
4308                 connected_networks_count++;
4309
4310         } else {
4311                 if (connected_networks_count == 2)
4312                         __connman_ipconfig_unset_rp_filter(original_rp_filter);
4313
4314                 connected_networks_count--;
4315                 if (connected_networks_count < 0)
4316                         connected_networks_count = 0;
4317         }
4318
4319         DBG("%s %s ipconfig %p method %d count %d filter %d",
4320                 connected ? "connected" : "disconnected", service->identifier,
4321                 service->ipconfig_ipv4, method,
4322                 connected_networks_count, original_rp_filter);
4323 }
4324
4325 static gboolean redo_wispr(gpointer user_data)
4326 {
4327         struct connman_service *service = user_data;
4328
4329         DBG("");
4330
4331         __connman_wispr_start(service, CONNMAN_IPCONFIG_TYPE_IPV6);
4332
4333         return FALSE;
4334 }
4335
4336 int __connman_service_online_check_failed(struct connman_service *service,
4337                                         enum connman_ipconfig_type type)
4338 {
4339         DBG("service %p type %d count %d", service, type,
4340                                                 service->online_check_count);
4341
4342         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
4343                 /* currently we only retry IPv6 stuff */
4344                 return 0;
4345
4346         if (service->online_check_count != 1)
4347                 return 0;
4348
4349         service->online_check_count = 0;
4350
4351         /*
4352          * We set the timeout to 1 sec so that we have a chance to get
4353          * necessary IPv6 router advertisement messages that might have
4354          * DNS data etc.
4355          */
4356         g_timeout_add_seconds(1, redo_wispr, service);
4357
4358         return EAGAIN;
4359 }
4360
4361 int __connman_service_ipconfig_indicate_state(struct connman_service *service,
4362                                         enum connman_service_state new_state,
4363                                         enum connman_ipconfig_type type)
4364 {
4365         struct connman_ipconfig *ipconfig = NULL;
4366         enum connman_service_state old_state;
4367         int ret;
4368
4369         if (service == NULL)
4370                 return -EINVAL;
4371
4372         if (type == CONNMAN_IPCONFIG_TYPE_IPV4) {
4373                 old_state = service->state_ipv4;
4374                 ipconfig = service->ipconfig_ipv4;
4375         } else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
4376                 old_state = service->state_ipv6;
4377                 ipconfig = service->ipconfig_ipv6;
4378         }
4379
4380         if (ipconfig == NULL)
4381                 return -EINVAL;
4382
4383         /* Any change? */
4384         if (old_state == new_state)
4385                 return -EALREADY;
4386
4387         DBG("service %p (%s) state %d (%s) type %d (%s)",
4388                 service, service ? service->identifier : NULL,
4389                 new_state, state2string(new_state),
4390                 type, __connman_ipconfig_type2string(type));
4391
4392         switch (new_state) {
4393         case CONNMAN_SERVICE_STATE_UNKNOWN:
4394         case CONNMAN_SERVICE_STATE_IDLE:
4395                 if (service->state == CONNMAN_SERVICE_STATE_FAILURE)
4396                         return -EINVAL;
4397                 break;
4398         case CONNMAN_SERVICE_STATE_ASSOCIATION:
4399                 break;
4400         case CONNMAN_SERVICE_STATE_CONFIGURATION:
4401                 __connman_ipconfig_enable(ipconfig);
4402                 break;
4403         case CONNMAN_SERVICE_STATE_READY:
4404                 update_nameservers(service);
4405
4406                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4) {
4407                         check_proxy_setup(service);
4408                         service_rp_filter(service, TRUE);
4409                 } else {
4410                         service->online_check_count = 1;
4411                         __connman_wispr_start(service, type);
4412                 }
4413                 break;
4414         case CONNMAN_SERVICE_STATE_ONLINE:
4415                 break;
4416         case CONNMAN_SERVICE_STATE_DISCONNECT:
4417                 if (service->state == CONNMAN_SERVICE_STATE_IDLE)
4418                         return -EINVAL;
4419
4420                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
4421                         service_rp_filter(service, FALSE);
4422
4423                 break;
4424         case CONNMAN_SERVICE_STATE_FAILURE:
4425                 break;
4426         }
4427
4428         /* We keep that state */
4429         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
4430                 service->state_ipv4 = new_state;
4431         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
4432                 service->state_ipv6 = new_state;
4433
4434         ret = service_indicate_state(service);
4435
4436         /*
4437          * If the ipconfig method is OFF, then we set the state to IDLE
4438          * so that it will not affect the combined state in the future.
4439          */
4440         if (type == CONNMAN_IPCONFIG_TYPE_IPV4) {
4441                 enum connman_ipconfig_method method;
4442                 method = __connman_ipconfig_get_method(service->ipconfig_ipv4);
4443                 if (method == CONNMAN_IPCONFIG_METHOD_OFF ||
4444                                 method == CONNMAN_IPCONFIG_METHOD_UNKNOWN) {
4445                         service->state_ipv4 = CONNMAN_SERVICE_STATE_IDLE;
4446                         ret = service_indicate_state(service);
4447                 }
4448
4449         } else if (type == CONNMAN_IPCONFIG_TYPE_IPV6) {
4450                 enum connman_ipconfig_method method;
4451                 method = __connman_ipconfig_get_method(service->ipconfig_ipv6);
4452                 if (method == CONNMAN_IPCONFIG_METHOD_OFF ||
4453                                 method == CONNMAN_IPCONFIG_METHOD_UNKNOWN) {
4454                         service->state_ipv6 = CONNMAN_SERVICE_STATE_IDLE;
4455                         ret = service_indicate_state(service);
4456                 }
4457         }
4458
4459         return ret;
4460 }
4461
4462 static connman_bool_t prepare_network(struct connman_service *service)
4463 {
4464         enum connman_network_type type;
4465         unsigned int ssid_len;
4466
4467         type = connman_network_get_type(service->network);
4468
4469         switch (type) {
4470         case CONNMAN_NETWORK_TYPE_UNKNOWN:
4471         case CONNMAN_NETWORK_TYPE_VENDOR:
4472                 return FALSE;
4473         case CONNMAN_NETWORK_TYPE_WIFI:
4474                 if (connman_network_get_blob(service->network, "WiFi.SSID",
4475                                                         &ssid_len) == NULL)
4476                         return FALSE;
4477
4478                 if (service->passphrase != NULL)
4479                         connman_network_set_string(service->network,
4480                                 "WiFi.Passphrase", service->passphrase);
4481                 break;
4482         case CONNMAN_NETWORK_TYPE_ETHERNET:
4483         case CONNMAN_NETWORK_TYPE_WIMAX:
4484         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
4485         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
4486         case CONNMAN_NETWORK_TYPE_CELLULAR:
4487                 break;
4488         }
4489
4490         return TRUE;
4491 }
4492
4493 static void prepare_8021x(struct connman_service *service)
4494 {
4495         if (service->eap != NULL)
4496                 connman_network_set_string(service->network, "WiFi.EAP",
4497                                                                 service->eap);
4498
4499         if (service->identity != NULL)
4500                 connman_network_set_string(service->network, "WiFi.Identity",
4501                                                         service->identity);
4502
4503         if (service->ca_cert_file != NULL)
4504                 connman_network_set_string(service->network, "WiFi.CACertFile",
4505                                                         service->ca_cert_file);
4506
4507         if (service->client_cert_file != NULL)
4508                 connman_network_set_string(service->network,
4509                                                 "WiFi.ClientCertFile",
4510                                                 service->client_cert_file);
4511
4512         if (service->private_key_file != NULL)
4513                 connman_network_set_string(service->network,
4514                                                 "WiFi.PrivateKeyFile",
4515                                                 service->private_key_file);
4516
4517         if (service->private_key_passphrase != NULL)
4518                 connman_network_set_string(service->network,
4519                                         "WiFi.PrivateKeyPassphrase",
4520                                         service->private_key_passphrase);
4521
4522         if (service->phase2 != NULL)
4523                 connman_network_set_string(service->network, "WiFi.Phase2",
4524                                                         service->phase2);
4525 }
4526
4527 static int service_connect(struct connman_service *service)
4528 {
4529         int err;
4530
4531         if (service->hidden == TRUE)
4532                 return -EPERM;
4533
4534         switch (service->type) {
4535         case CONNMAN_SERVICE_TYPE_UNKNOWN:
4536         case CONNMAN_SERVICE_TYPE_SYSTEM:
4537         case CONNMAN_SERVICE_TYPE_GPS:
4538         case CONNMAN_SERVICE_TYPE_GADGET:
4539                 return -EINVAL;
4540         case CONNMAN_SERVICE_TYPE_ETHERNET:
4541         case CONNMAN_SERVICE_TYPE_WIMAX:
4542         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
4543         case CONNMAN_SERVICE_TYPE_CELLULAR:
4544         case CONNMAN_SERVICE_TYPE_VPN:
4545                 break;
4546         case CONNMAN_SERVICE_TYPE_WIFI:
4547                 switch (service->security) {
4548                 case CONNMAN_SERVICE_SECURITY_UNKNOWN:
4549                 case CONNMAN_SERVICE_SECURITY_NONE:
4550                         break;
4551                 case CONNMAN_SERVICE_SECURITY_WEP:
4552                 case CONNMAN_SERVICE_SECURITY_PSK:
4553                 case CONNMAN_SERVICE_SECURITY_WPA:
4554                 case CONNMAN_SERVICE_SECURITY_RSN:
4555                         if (service->passphrase == NULL) {
4556                                 if (service->network == NULL)
4557                                         return -EOPNOTSUPP;
4558
4559                                 if (service->wps == FALSE ||
4560                                         connman_network_get_bool(
4561                                                         service->network,
4562                                                         "WiFi.UseWPS") == FALSE)
4563                                         return -ENOKEY;
4564                         }
4565                         break;
4566                 case CONNMAN_SERVICE_SECURITY_8021X:
4567                         if (service->eap == NULL)
4568                                 return -EINVAL;
4569
4570                         /*
4571                          * never request credentials if using EAP-TLS
4572                          * (EAP-TLS networks need to be fully provisioned)
4573                          */
4574                         if (g_str_equal(service->eap, "tls") == TRUE)
4575                                 break;
4576
4577                         /*
4578                          * Return -ENOKEY if either identity or passphrase is
4579                          * missing. Agent provided credentials can be used as
4580                          * fallback if needed.
4581                          */
4582                         if ((service->identity == NULL &&
4583                                         service->agent_identity == NULL) ||
4584                                         (service->passphrase == NULL &&
4585                                         service->agent_passphrase == NULL))
4586                                 return -ENOKEY;
4587
4588                         break;
4589                 }
4590                 break;
4591         }
4592
4593         if (service->network != NULL) {
4594                 if (prepare_network(service) == FALSE)
4595                         return -EINVAL;
4596
4597                 switch (service->security) {
4598                 case CONNMAN_SERVICE_SECURITY_UNKNOWN:
4599                 case CONNMAN_SERVICE_SECURITY_NONE:
4600                 case CONNMAN_SERVICE_SECURITY_WEP:
4601                 case CONNMAN_SERVICE_SECURITY_PSK:
4602                 case CONNMAN_SERVICE_SECURITY_WPA:
4603                 case CONNMAN_SERVICE_SECURITY_RSN:
4604                         break;
4605                 case CONNMAN_SERVICE_SECURITY_8021X:
4606                         prepare_8021x(service);
4607                         break;
4608                 }
4609
4610                 if (__connman_stats_service_register(service) == 0) {
4611                         __connman_stats_get(service, FALSE,
4612                                                 &service->stats.data);
4613                         __connman_stats_get(service, TRUE,
4614                                                 &service->stats_roaming.data);
4615                 }
4616
4617                 if (service->ipconfig_ipv4)
4618                         __connman_ipconfig_enable(service->ipconfig_ipv4);
4619                 if (service->ipconfig_ipv6)
4620                         __connman_ipconfig_enable(service->ipconfig_ipv6);
4621
4622                 err = __connman_network_connect(service->network);
4623         } else if (service->type == CONNMAN_SERVICE_TYPE_VPN &&
4624                                         service->provider != NULL)
4625                 err = __connman_provider_connect(service->provider);
4626         else
4627                 return -EOPNOTSUPP;
4628
4629         if (err < 0) {
4630                 if (err != -EINPROGRESS) {
4631                         __connman_ipconfig_disable(service->ipconfig_ipv4);
4632                         __connman_ipconfig_disable(service->ipconfig_ipv6);
4633                         __connman_stats_service_unregister(service);
4634                 }
4635         }
4636
4637         return err;
4638 }
4639
4640
4641 int __connman_service_connect(struct connman_service *service)
4642 {
4643         int err;
4644
4645         DBG("service %p state %s", service, state2string(service->state));
4646
4647         if (is_connected(service) == TRUE)
4648                 return -EISCONN;
4649
4650         if (is_connecting(service) == TRUE)
4651                 return -EALREADY;
4652
4653         switch (service->type) {
4654         case CONNMAN_SERVICE_TYPE_UNKNOWN:
4655         case CONNMAN_SERVICE_TYPE_SYSTEM:
4656         case CONNMAN_SERVICE_TYPE_GPS:
4657         case CONNMAN_SERVICE_TYPE_GADGET:
4658                 return -EINVAL;
4659         default:
4660                 err = service_connect(service);
4661         }
4662
4663         if (err >= 0)
4664                 return 0;
4665
4666         if (err == -EINPROGRESS) {
4667                 if (service->timeout == 0)
4668                         service->timeout = g_timeout_add_seconds(
4669                                 CONNECT_TIMEOUT, connect_timeout, service);
4670
4671                 return -EINPROGRESS;
4672         }
4673
4674         __connman_service_ipconfig_indicate_state(service,
4675                                         CONNMAN_SERVICE_STATE_FAILURE,
4676                                         CONNMAN_IPCONFIG_TYPE_IPV4);
4677         __connman_service_ipconfig_indicate_state(service,
4678                                         CONNMAN_SERVICE_STATE_FAILURE,
4679                                         CONNMAN_IPCONFIG_TYPE_IPV6);
4680
4681         if (service->network != NULL)
4682                 __connman_network_disconnect(service->network);
4683         else if (service->type == CONNMAN_SERVICE_TYPE_VPN &&
4684                                 service->provider != NULL)
4685                         __connman_provider_disconnect(service->provider);
4686
4687         if (service->userconnect == TRUE) {
4688                 if (err == -ENOKEY || err == -EPERM) {
4689                         if (__connman_agent_request_passphrase_input(service,
4690                                                         request_input_cb,
4691                                                         NULL) == -EIO)
4692                                 return -EINPROGRESS;
4693                 }
4694                 reply_pending(service, -err);
4695         }
4696
4697         return err;
4698 }
4699
4700 int __connman_service_disconnect(struct connman_service *service)
4701 {
4702         int err;
4703
4704         DBG("service %p", service);
4705
4706         if (service->network != NULL) {
4707                 err = __connman_network_disconnect(service->network);
4708         } else if (service->type == CONNMAN_SERVICE_TYPE_VPN &&
4709                                         service->provider != NULL)
4710                 err = __connman_provider_disconnect(service->provider);
4711         else
4712                 return -EOPNOTSUPP;
4713
4714         if (err < 0 && err != -EINPROGRESS)
4715                 return err;
4716
4717         __connman_6to4_remove(service->ipconfig_ipv4);
4718
4719         if (service->ipconfig_ipv4)
4720                 __connman_ipconfig_set_proxy_autoconfig(service->ipconfig_ipv4,
4721                                                         NULL);
4722         else
4723                 __connman_ipconfig_set_proxy_autoconfig(service->ipconfig_ipv6,
4724                                                         NULL);
4725
4726         __connman_ipconfig_address_remove(service->ipconfig_ipv4);
4727         __connman_ipconfig_address_remove(service->ipconfig_ipv6);
4728
4729         __connman_ipconfig_disable(service->ipconfig_ipv4);
4730         __connman_ipconfig_disable(service->ipconfig_ipv6);
4731
4732         __connman_stats_service_unregister(service);
4733
4734         return err;
4735 }
4736
4737 int __connman_service_disconnect_all(void)
4738 {
4739         GSequenceIter *iter;
4740         GSList *services = NULL, *list;
4741
4742         DBG("");
4743
4744         iter = g_sequence_get_begin_iter(service_list);
4745
4746         while (g_sequence_iter_is_end(iter) == FALSE) {
4747                 struct connman_service *service = g_sequence_get(iter);
4748
4749                 services = g_slist_prepend(services, service);
4750
4751                 iter = g_sequence_iter_next(iter);
4752         }
4753
4754         for (list = services; list != NULL; list = list->next) {
4755                 struct connman_service *service = list->data;
4756
4757                 service->ignore = TRUE;
4758
4759                 set_reconnect_state(service, FALSE);
4760
4761                 __connman_service_disconnect(service);
4762         }
4763
4764         g_slist_free(list);
4765
4766         return 0;
4767
4768 }
4769
4770 /**
4771  * lookup_by_identifier:
4772  * @identifier: service identifier
4773  *
4774  * Look up a service by identifier (reference count will not be increased)
4775  */
4776 static struct connman_service *lookup_by_identifier(const char *identifier)
4777 {
4778         GSequenceIter *iter;
4779
4780         iter = g_hash_table_lookup(service_hash, identifier);
4781         if (iter != NULL)
4782                 return g_sequence_get(iter);
4783
4784         return NULL;
4785 }
4786
4787 static void provision_changed(gpointer value, gpointer user_data)
4788 {
4789         struct connman_service *service = value;
4790         char *path = user_data;
4791
4792         __connman_config_provision_service_ident(service, path);
4793 }
4794
4795 void __connman_service_provision_changed(const char *ident)
4796 {
4797         g_sequence_foreach(service_list, provision_changed, (void *)ident);
4798 }
4799
4800 /**
4801  * __connman_service_get:
4802  * @identifier: service identifier
4803  *
4804  * Look up a service by identifier or create a new one if not found
4805  */
4806 static struct connman_service *service_get(const char *identifier)
4807 {
4808         struct connman_service *service;
4809         GSequenceIter *iter;
4810
4811         iter = g_hash_table_lookup(service_hash, identifier);
4812         if (iter != NULL) {
4813                 service = g_sequence_get(iter);
4814                 if (service != NULL)
4815                         connman_service_ref(service);
4816                 return service;
4817         }
4818
4819         service = connman_service_create();
4820         if (service == NULL)
4821                 return NULL;
4822
4823         DBG("service %p", service);
4824
4825         service->identifier = g_strdup(identifier);
4826
4827         iter = g_sequence_insert_sorted(service_list, service,
4828                                                 service_compare, NULL);
4829
4830         g_hash_table_insert(service_hash, service->identifier, iter);
4831
4832         return service;
4833 }
4834
4835 static int service_register(struct connman_service *service)
4836 {
4837         GSequenceIter *iter;
4838
4839         DBG("service %p", service);
4840
4841         if (service->path != NULL)
4842                 return -EALREADY;
4843
4844         service->path = g_strdup_printf("%s/service/%s", CONNMAN_PATH,
4845                                                 service->identifier);
4846
4847         DBG("path %s", service->path);
4848
4849         __connman_config_provision_service(service);
4850
4851         service_load(service);
4852
4853         g_dbus_register_interface(connection, service->path,
4854                                         CONNMAN_SERVICE_INTERFACE,
4855                                         service_methods, service_signals,
4856                                                         NULL, service, NULL);
4857
4858         iter = g_hash_table_lookup(service_hash, service->identifier);
4859         if (iter != NULL)
4860                 g_sequence_sort_changed(iter, service_compare, NULL);
4861
4862         __connman_connection_update_gateway();
4863
4864         return 0;
4865 }
4866
4867 static void service_up(struct connman_ipconfig *ipconfig)
4868 {
4869         struct connman_service *service = __connman_ipconfig_get_data(ipconfig);
4870
4871         DBG("%s up", __connman_ipconfig_get_ifname(ipconfig));
4872
4873         link_changed(service);
4874
4875         service->stats.valid = FALSE;
4876         service->stats_roaming.valid = FALSE;
4877 }
4878
4879 static void service_down(struct connman_ipconfig *ipconfig)
4880 {
4881         DBG("%s down", __connman_ipconfig_get_ifname(ipconfig));
4882 }
4883
4884 static void service_lower_up(struct connman_ipconfig *ipconfig)
4885 {
4886         struct connman_service *service = __connman_ipconfig_get_data(ipconfig);
4887
4888         DBG("%s lower up", __connman_ipconfig_get_ifname(ipconfig));
4889
4890         stats_start(service);
4891 }
4892
4893 static void service_lower_down(struct connman_ipconfig *ipconfig)
4894 {
4895         struct connman_service *service = __connman_ipconfig_get_data(ipconfig);
4896
4897         DBG("%s lower down", __connman_ipconfig_get_ifname(ipconfig));
4898
4899         stats_stop(service);
4900         service_save(service);
4901 }
4902
4903 static void service_ip_bound(struct connman_ipconfig *ipconfig)
4904 {
4905         struct connman_service *service = __connman_ipconfig_get_data(ipconfig);
4906         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
4907         enum connman_ipconfig_type type = CONNMAN_IPCONFIG_TYPE_UNKNOWN;
4908
4909         DBG("%s ip bound", __connman_ipconfig_get_ifname(ipconfig));
4910
4911         type = __connman_ipconfig_get_config_type(ipconfig);
4912         method = __connman_ipconfig_get_method(ipconfig);
4913
4914         DBG("service %p ipconfig %p type %d method %d", service, ipconfig,
4915                                                         type, method);
4916
4917         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
4918                         method == CONNMAN_IPCONFIG_METHOD_AUTO)
4919                 __connman_service_ipconfig_indicate_state(service,
4920                                                 CONNMAN_SERVICE_STATE_READY,
4921                                                 CONNMAN_IPCONFIG_TYPE_IPV6);
4922
4923         settings_changed(service, ipconfig);
4924 }
4925
4926 static void service_ip_release(struct connman_ipconfig *ipconfig)
4927 {
4928         struct connman_service *service = __connman_ipconfig_get_data(ipconfig);
4929         enum connman_ipconfig_method method = CONNMAN_IPCONFIG_METHOD_UNKNOWN;
4930         enum connman_ipconfig_type type = CONNMAN_IPCONFIG_TYPE_UNKNOWN;
4931
4932         DBG("%s ip release", __connman_ipconfig_get_ifname(ipconfig));
4933
4934         type = __connman_ipconfig_get_config_type(ipconfig);
4935         method = __connman_ipconfig_get_method(ipconfig);
4936
4937         DBG("service %p ipconfig %p type %d method %d", service, ipconfig,
4938                                                         type, method);
4939
4940         if (type == CONNMAN_IPCONFIG_TYPE_IPV6 &&
4941                         method == CONNMAN_IPCONFIG_METHOD_OFF)
4942                 __connman_service_ipconfig_indicate_state(service,
4943                                         CONNMAN_SERVICE_STATE_DISCONNECT,
4944                                         CONNMAN_IPCONFIG_TYPE_IPV6);
4945
4946         if (type == CONNMAN_IPCONFIG_TYPE_IPV4 &&
4947                         method == CONNMAN_IPCONFIG_METHOD_OFF)
4948                 __connman_service_ipconfig_indicate_state(service,
4949                                         CONNMAN_SERVICE_STATE_DISCONNECT,
4950                                         CONNMAN_IPCONFIG_TYPE_IPV4);
4951
4952         settings_changed(service, ipconfig);
4953 }
4954
4955 static const struct connman_ipconfig_ops service_ops = {
4956         .up             = service_up,
4957         .down           = service_down,
4958         .lower_up       = service_lower_up,
4959         .lower_down     = service_lower_down,
4960         .ip_bound       = service_ip_bound,
4961         .ip_release     = service_ip_release,
4962 };
4963
4964 static void setup_ip4config(struct connman_service *service, int index,
4965                         enum connman_ipconfig_method method)
4966 {
4967         service->ipconfig_ipv4 = __connman_ipconfig_create(index,
4968                                                 CONNMAN_IPCONFIG_TYPE_IPV4);
4969         if (service->ipconfig_ipv4 == NULL)
4970                 return;
4971
4972         __connman_ipconfig_set_method(service->ipconfig_ipv4, method);
4973
4974         __connman_ipconfig_set_data(service->ipconfig_ipv4, service);
4975
4976         __connman_ipconfig_set_ops(service->ipconfig_ipv4, &service_ops);
4977 }
4978
4979 static void setup_ip6config(struct connman_service *service, int index)
4980 {
4981         service->ipconfig_ipv6 = __connman_ipconfig_create(index,
4982                                                 CONNMAN_IPCONFIG_TYPE_IPV6);
4983         if (service->ipconfig_ipv6 == NULL)
4984                 return;
4985
4986         __connman_ipconfig_set_data(service->ipconfig_ipv6, service);
4987
4988         __connman_ipconfig_set_ops(service->ipconfig_ipv6, &service_ops);
4989 }
4990
4991 void __connman_service_read_ip4config(struct connman_service *service)
4992 {
4993         GKeyFile *keyfile;
4994
4995         if (service->ipconfig_ipv4 == NULL)
4996                 return;
4997
4998         keyfile = connman_storage_load_service(service->identifier);
4999         if (keyfile == NULL)
5000                 return;
5001
5002         __connman_ipconfig_load(service->ipconfig_ipv4, keyfile,
5003                                 service->identifier, "IPv4.");
5004
5005         g_key_file_free(keyfile);
5006 }
5007
5008 void __connman_service_create_ip4config(struct connman_service *service,
5009                                         int index)
5010 {
5011         DBG("ipv4 %p", service->ipconfig_ipv4);
5012
5013         if (service->ipconfig_ipv4 != NULL)
5014                 return;
5015
5016         setup_ip4config(service, index, CONNMAN_IPCONFIG_METHOD_DHCP);
5017         __connman_service_read_ip4config(service);
5018 }
5019
5020 void __connman_service_read_ip6config(struct connman_service *service)
5021 {
5022         GKeyFile *keyfile;
5023
5024         if (service->ipconfig_ipv6 == NULL)
5025                 return;
5026
5027         keyfile = connman_storage_load_service(service->identifier);
5028         if (keyfile == NULL)
5029                 return;
5030
5031         __connman_ipconfig_load(service->ipconfig_ipv6, keyfile,
5032                                 service->identifier, "IPv6.");
5033
5034         g_key_file_free(keyfile);
5035 }
5036
5037 void __connman_service_create_ip6config(struct connman_service *service,
5038                                                                 int index)
5039 {
5040         DBG("ipv6 %p", service->ipconfig_ipv6);
5041
5042         if (service->ipconfig_ipv6 != NULL)
5043                 return;
5044
5045         setup_ip6config(service, index);
5046
5047         __connman_service_read_ip6config(service);
5048 }
5049
5050 /**
5051  * __connman_service_lookup_from_network:
5052  * @network: network structure
5053  *
5054  * Look up a service by network (reference count will not be increased)
5055  */
5056 struct connman_service *__connman_service_lookup_from_network(struct connman_network *network)
5057 {
5058         struct connman_service *service;
5059         const char *ident, *group;
5060         char *name;
5061
5062         DBG("network %p", network);
5063
5064         if (network == NULL)
5065                 return NULL;
5066
5067         ident = __connman_network_get_ident(network);
5068         if (ident == NULL)
5069                 return NULL;
5070
5071         group = connman_network_get_group(network);
5072         if (group == NULL)
5073                 return NULL;
5074
5075         name = g_strdup_printf("%s_%s_%s",
5076                         __connman_network_get_type(network), ident, group);
5077         service = lookup_by_identifier(name);
5078         g_free(name);
5079
5080         return service;
5081 }
5082
5083 struct connman_service *__connman_service_lookup_from_index(int index)
5084 {
5085         struct connman_service *service;
5086         GSequenceIter *iter;
5087
5088         iter = g_sequence_get_begin_iter(service_list);
5089
5090         while (g_sequence_iter_is_end(iter) == FALSE) {
5091                 service = g_sequence_get(iter);
5092
5093                 if (__connman_ipconfig_get_index(service->ipconfig_ipv4)
5094                                                         == index)
5095                         return service;
5096
5097                 if (__connman_ipconfig_get_index(service->ipconfig_ipv6)
5098                                                         == index)
5099                         return service;
5100
5101                 iter = g_sequence_iter_next(iter);
5102         }
5103
5104         return NULL;
5105 }
5106
5107 const char *__connman_service_get_ident(struct connman_service *service)
5108 {
5109         return service->identifier;
5110 }
5111
5112 const char *__connman_service_get_path(struct connman_service *service)
5113 {
5114         return service->path;
5115 }
5116
5117 unsigned int __connman_service_get_order(struct connman_service *service)
5118 {
5119         GSequenceIter *iter;
5120
5121         if (service == NULL)
5122                 return 0;
5123
5124         if (service->favorite == FALSE) {
5125                 service->order = 0;
5126                 goto done;
5127         }
5128
5129         iter = g_hash_table_lookup(service_hash, service->identifier);
5130         if (iter != NULL) {
5131                 if (g_sequence_iter_get_position(iter) == 0)
5132                         service->order = 1;
5133                 else if (service->type == CONNMAN_SERVICE_TYPE_VPN)
5134                         service->order = 10;
5135                 else
5136                         service->order = 0;
5137         }
5138
5139 done:
5140         return service->order;
5141 }
5142
5143 static enum connman_service_type convert_network_type(struct connman_network *network)
5144 {
5145         enum connman_network_type type = connman_network_get_type(network);
5146
5147         switch (type) {
5148         case CONNMAN_NETWORK_TYPE_UNKNOWN:
5149         case CONNMAN_NETWORK_TYPE_VENDOR:
5150                 break;
5151         case CONNMAN_NETWORK_TYPE_ETHERNET:
5152                 return CONNMAN_SERVICE_TYPE_ETHERNET;
5153         case CONNMAN_NETWORK_TYPE_WIFI:
5154                 return CONNMAN_SERVICE_TYPE_WIFI;
5155         case CONNMAN_NETWORK_TYPE_WIMAX:
5156                 return CONNMAN_SERVICE_TYPE_WIMAX;
5157         case CONNMAN_NETWORK_TYPE_BLUETOOTH_PAN:
5158         case CONNMAN_NETWORK_TYPE_BLUETOOTH_DUN:
5159                 return CONNMAN_SERVICE_TYPE_BLUETOOTH;
5160         case CONNMAN_NETWORK_TYPE_CELLULAR:
5161                 return CONNMAN_SERVICE_TYPE_CELLULAR;
5162         }
5163
5164         return CONNMAN_SERVICE_TYPE_UNKNOWN;
5165 }
5166
5167 static enum connman_service_security convert_wifi_security(const char *security)
5168 {
5169         if (security == NULL)
5170                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
5171         else if (g_str_equal(security, "none") == TRUE)
5172                 return CONNMAN_SERVICE_SECURITY_NONE;
5173         else if (g_str_equal(security, "wep") == TRUE)
5174                 return CONNMAN_SERVICE_SECURITY_WEP;
5175         else if (g_str_equal(security, "psk") == TRUE)
5176                 return CONNMAN_SERVICE_SECURITY_PSK;
5177         else if (g_str_equal(security, "ieee8021x") == TRUE)
5178                 return CONNMAN_SERVICE_SECURITY_8021X;
5179         else if (g_str_equal(security, "wpa") == TRUE)
5180                 return CONNMAN_SERVICE_SECURITY_WPA;
5181         else if (g_str_equal(security, "rsn") == TRUE)
5182                 return CONNMAN_SERVICE_SECURITY_RSN;
5183         else
5184                 return CONNMAN_SERVICE_SECURITY_UNKNOWN;
5185 }
5186
5187 static void update_from_network(struct connman_service *service,
5188                                         struct connman_network *network)
5189 {
5190         connman_uint8_t strength = service->strength;
5191         GSequenceIter *iter;
5192         const char *str;
5193
5194         DBG("service %p network %p", service, network);
5195
5196         if (is_connected(service) == TRUE)
5197                 return;
5198
5199         if (is_connecting(service) == TRUE)
5200                 return;
5201
5202         str = connman_network_get_string(network, "Name");
5203         if (str != NULL) {
5204                 g_free(service->name);
5205                 service->name = g_strdup(str);
5206                 service->hidden = FALSE;
5207         } else {
5208                 g_free(service->name);
5209                 service->name = NULL;
5210                 service->hidden = TRUE;
5211         }
5212
5213         service->strength = connman_network_get_strength(network);
5214         service->roaming = connman_network_get_bool(network, "Roaming");
5215
5216         if (service->strength == 0) {
5217                 /*
5218                  * Filter out 0-values; it's unclear what they mean
5219                  * and they cause anomalous sorting of the priority list.
5220                  */
5221                 service->strength = strength;
5222         }
5223
5224         str = connman_network_get_string(network, "WiFi.Security");
5225         service->security = convert_wifi_security(str);
5226
5227         if (service->type == CONNMAN_SERVICE_TYPE_WIFI)
5228                 service->wps = connman_network_get_bool(network, "WiFi.WPS");
5229
5230         if (service->strength > strength && service->network != NULL) {
5231                 connman_network_unref(service->network);
5232                 service->network = connman_network_ref(network);
5233
5234                 strength_changed(service);
5235         }
5236
5237         if (service->network == NULL)
5238                 service->network = connman_network_ref(network);
5239
5240         iter = g_hash_table_lookup(service_hash, service->identifier);
5241         if (iter != NULL)
5242                 g_sequence_sort_changed(iter, service_compare, NULL);
5243 }
5244
5245 /**
5246  * __connman_service_create_from_network:
5247  * @network: network structure
5248  *
5249  * Look up service by network and if not found, create one
5250  */
5251 struct connman_service * __connman_service_create_from_network(struct connman_network *network)
5252 {
5253         struct connman_service *service;
5254         struct connman_device *device;
5255         const char *ident, *group;
5256         char *name;
5257         int index;
5258
5259         DBG("network %p", network);
5260
5261         if (network == NULL)
5262                 return NULL;
5263
5264         ident = __connman_network_get_ident(network);
5265         if (ident == NULL)
5266                 return NULL;
5267
5268         group = connman_network_get_group(network);
5269         if (group == NULL)
5270                 return NULL;
5271
5272         name = g_strdup_printf("%s_%s_%s",
5273                         __connman_network_get_type(network), ident, group);
5274         service = service_get(name);
5275         g_free(name);
5276
5277         if (service == NULL)
5278                 return NULL;
5279
5280         if (__connman_network_get_weakness(network) == TRUE)
5281                 return service;
5282
5283         if (service->path != NULL) {
5284                 update_from_network(service, network);
5285                 __connman_connection_update_gateway();
5286                 return service;
5287         }
5288
5289         service->type = convert_network_type(network);
5290
5291         switch (service->type) {
5292         case CONNMAN_SERVICE_TYPE_UNKNOWN:
5293         case CONNMAN_SERVICE_TYPE_SYSTEM:
5294         case CONNMAN_SERVICE_TYPE_ETHERNET:
5295         case CONNMAN_SERVICE_TYPE_WIMAX:
5296         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
5297         case CONNMAN_SERVICE_TYPE_GPS:
5298         case CONNMAN_SERVICE_TYPE_VPN:
5299         case CONNMAN_SERVICE_TYPE_GADGET:
5300                 service->autoconnect = FALSE;
5301                 break;
5302         case CONNMAN_SERVICE_TYPE_WIFI:
5303         case CONNMAN_SERVICE_TYPE_CELLULAR:
5304                 service->autoconnect = TRUE;
5305                 break;
5306         }
5307
5308         service->state_ipv4 = service->state_ipv6 = CONNMAN_SERVICE_STATE_IDLE;
5309         service->state = combine_state(service->state_ipv4, service->state_ipv6);
5310
5311         update_from_network(service, network);
5312
5313         index = connman_network_get_index(network);
5314
5315         if (service->ipconfig_ipv4 == NULL)
5316                 setup_ip4config(service, index, CONNMAN_IPCONFIG_METHOD_DHCP);
5317
5318         if (service->ipconfig_ipv6 == NULL)
5319                 setup_ip6config(service, index);
5320
5321         service_register(service);
5322
5323         if (service->favorite == TRUE) {
5324                 device = connman_network_get_device(service->network);
5325                 if (device && __connman_device_scanning(device) == FALSE)
5326                         __connman_service_auto_connect();
5327         }
5328
5329         __connman_notifier_service_add(service, service->name);
5330         service_schedule_added(service);
5331
5332         return service;
5333 }
5334
5335 void __connman_service_update_from_network(struct connman_network *network)
5336 {
5337         connman_bool_t need_sort = FALSE;
5338         struct connman_service *service;
5339         connman_uint8_t strength;
5340         connman_bool_t roaming;
5341         GSequenceIter *iter;
5342         const char *name;
5343         connman_bool_t stats_enable;
5344
5345         DBG("network %p", network);
5346
5347         service = __connman_service_lookup_from_network(network);
5348         if (service == NULL)
5349                 return;
5350
5351         if (service->network == NULL)
5352                 return;
5353
5354         name = connman_network_get_string(service->network, "Name");
5355         if (g_strcmp0(service->name, name) != 0) {
5356                 g_free(service->name);
5357                 service->name = g_strdup(name);
5358                 connman_dbus_property_changed_basic(service->path,
5359                                 CONNMAN_SERVICE_INTERFACE, "Name",
5360                                 DBUS_TYPE_STRING, &service->name);
5361         }
5362
5363         if (service->type == CONNMAN_SERVICE_TYPE_WIFI)
5364                 service->wps = connman_network_get_bool(network, "WiFi.WPS");
5365
5366         strength = connman_network_get_strength(service->network);
5367         if (strength == service->strength)
5368                 goto roaming;
5369
5370         service->strength = strength;
5371         need_sort = TRUE;
5372
5373         strength_changed(service);
5374
5375 roaming:
5376         roaming = connman_network_get_bool(service->network, "Roaming");
5377         if (roaming == service->roaming)
5378                 goto sorting;
5379
5380         stats_enable = stats_enabled(service);
5381         if (stats_enable == TRUE)
5382                 stats_stop(service);
5383
5384         service->roaming = roaming;
5385         need_sort = TRUE;
5386
5387         if (stats_enable == TRUE)
5388                 stats_start(service);
5389
5390         roaming_changed(service);
5391
5392 sorting:
5393         if (need_sort == TRUE) {
5394                 iter = g_hash_table_lookup(service_hash, service->identifier);
5395                 if (iter != NULL)
5396                         g_sequence_sort_changed(iter, service_compare, NULL);
5397         }
5398 }
5399
5400 void __connman_service_remove_from_network(struct connman_network *network)
5401 {
5402         struct connman_service *service;
5403
5404         DBG("network %p", network);
5405
5406         service = __connman_service_lookup_from_network(network);
5407         if (service == NULL)
5408                 return;
5409
5410         __connman_connection_gateway_remove(service,
5411                                         CONNMAN_IPCONFIG_TYPE_ALL);
5412
5413         connman_service_unref(service);
5414 }
5415
5416 /**
5417  * __connman_service_create_from_provider:
5418  * @provider: provider structure
5419  *
5420  * Look up service by provider and if not found, create one
5421  */
5422 struct connman_service *
5423 __connman_service_create_from_provider(struct connman_provider *provider)
5424 {
5425         struct connman_service *service;
5426         const char *ident, *str;
5427         char *name;
5428         int index = connman_provider_get_index(provider);
5429
5430         DBG("provider %p", provider);
5431
5432         ident = __connman_provider_get_ident(provider);
5433         if (ident == NULL)
5434                 return NULL;
5435
5436         name = g_strdup_printf("vpn_%s", ident);
5437         service = service_get(name);
5438         g_free(name);
5439
5440         if (service == NULL)
5441                 return NULL;
5442
5443         service->type = CONNMAN_SERVICE_TYPE_VPN;
5444         service->provider = connman_provider_ref(provider);
5445         service->autoconnect = FALSE;
5446         service->userconnect = TRUE;
5447
5448         service->state_ipv4 = service->state_ipv6 = CONNMAN_SERVICE_STATE_IDLE;
5449         service->state = combine_state(service->state_ipv4, service->state_ipv6);
5450
5451         str = connman_provider_get_string(provider, "Name");
5452         if (str != NULL) {
5453                 g_free(service->name);
5454                 service->name = g_strdup(str);
5455                 service->hidden = FALSE;
5456         } else {
5457                 g_free(service->name);
5458                 service->name = NULL;
5459                 service->hidden = TRUE;
5460         }
5461
5462         service->strength = 0;
5463
5464         if (service->ipconfig_ipv4 == NULL)
5465                 setup_ip4config(service, index, CONNMAN_IPCONFIG_METHOD_MANUAL);
5466
5467         if (service->ipconfig_ipv6 == NULL)
5468                 setup_ip6config(service, index);
5469
5470         service_register(service);
5471
5472         __connman_notifier_service_add(service, service->name);
5473         service_schedule_added(service);
5474
5475         return service;
5476 }
5477
5478 int __connman_service_init(void)
5479 {
5480         DBG("");
5481
5482         connection = connman_dbus_get_connection();
5483
5484         service_hash = g_hash_table_new_full(g_str_hash, g_str_equal,
5485                                                                 NULL, NULL);
5486
5487         service_list = g_sequence_new(service_free);
5488
5489         services_notify = g_new0(struct _services_notify, 1);
5490
5491         return 0;
5492 }
5493
5494 void __connman_service_cleanup(void)
5495 {
5496         GSequence *list;
5497
5498         DBG("");
5499
5500         list = service_list;
5501         service_list = NULL;
5502         g_sequence_free(list);
5503
5504         g_hash_table_destroy(service_hash);
5505         service_hash = NULL;
5506
5507         g_slist_free(counter_list);
5508         counter_list = NULL;
5509
5510         if (services_notify->id != 0) {
5511                 g_source_remove(services_notify->id);
5512                 service_send_signals(NULL);
5513         }
5514         g_free(services_notify);
5515
5516         dbus_connection_unref(connection);
5517 }