src/agent.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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 <stdlib.h>
  28 #include <string.h>
  29
  30 #include <gdbus.h>
  31
  32 #include "connman.h"
  33
  34 static DBusConnection *connection = NULL;
  35 static guint agent_watch = 0;
  36 static gchar *agent_path = NULL;
  37 static gchar *agent_sender = NULL;
  38
  39 static void agent_free(void)
  40 {
  41         agent_watch = 0;
  42
  43         g_free(agent_sender);
  44         agent_sender = NULL;
  45
  46         g_free(agent_path);
  47         agent_path = NULL;
  48 }
  49
  50 static void agent_disconnect(DBusConnection *connection, void *data)
  51 {
  52         DBG("data %p", data);
  53
  54         agent_free();
  55 }
  56
  57 int __connman_agent_register(const char *sender, const char *path)
  58 {
  59         DBG("sender %s path %s", sender, path);
  60
  61         if (agent_path != NULL)
  62                 return -EEXIST;
  63
  64         agent_sender = g_strdup(sender);
  65         agent_path = g_strdup(path);
  66
  67         agent_watch = g_dbus_add_disconnect_watch(connection, sender,
  68                                                 agent_disconnect, NULL, NULL);
  69
  70         return 0;
  71 }
  72
  73 int __connman_agent_unregister(const char *sender, const char *path)
  74 {
  75         DBG("sender %s path %s", sender, path);
  76
  77         if (agent_path == NULL)
  78                 return -ESRCH;
  79
  80         if (agent_watch > 0)
  81                 g_dbus_remove_watch(connection, agent_watch);
  82
  83         agent_free();
  84
  85         return 0;
  86 }
  87
  88 static connman_bool_t check_reply_has_dict(DBusMessage *reply)
  89 {
  90         const char *signature = DBUS_TYPE_ARRAY_AS_STRING
  91                 DBUS_DICT_ENTRY_BEGIN_CHAR_AS_STRING
  92                 DBUS_TYPE_STRING_AS_STRING
  93                 DBUS_TYPE_VARIANT_AS_STRING
  94                 DBUS_DICT_ENTRY_END_CHAR_AS_STRING;
  95
  96         if (dbus_message_has_signature(reply, signature) == TRUE)
  97                 return TRUE;
  98
  99         connman_warn("Reply %s to %s from %s has wrong signature %s",
 100                         signature,
 101                         dbus_message_get_interface(reply),
 102                         dbus_message_get_sender(reply),
 103                         dbus_message_get_signature(reply));
 104
 105         return FALSE;
 106 }
 107
 108 struct request_input_reply {
 109         struct connman_service *service;
 110         authentication_cb_t callback;
 111         void *user_data;
 112 };
 113
 114 static void request_input_passphrase_reply(DBusPendingCall *call, void *user_data)
 115 {
 116         struct request_input_reply *passphrase_reply = user_data;
 117         connman_bool_t values_received = FALSE;
 118         connman_bool_t wps = FALSE;
 119         const char *error = NULL;
 120         char *identity = NULL;
 121         char *passphrase = NULL;
 122         char *wpspin = NULL;
 123         char *key;
 124         char *name = NULL;
 125         int name_len = 0;
 126         DBusMessageIter iter, dict;
 127         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 128
 129         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 130                 error = dbus_message_get_error_name(reply);
 131                 goto done;
 132         }
 133
 134         if (check_reply_has_dict(reply) == FALSE)
 135                 goto done;
 136
 137         values_received = TRUE;
 138
 139         dbus_message_iter_init(reply, &iter);
 140         dbus_message_iter_recurse(&iter, &dict);
 141         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 142                 DBusMessageIter entry, value;
 143
 144                 dbus_message_iter_recurse(&dict, &entry);
 145                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
 146                         break;
 147
 148                 dbus_message_iter_get_basic(&entry, &key);
 149
 150                 if (g_str_equal(key, "Identity")) {
 151                         dbus_message_iter_next(&entry);
 152                         if (dbus_message_iter_get_arg_type(&entry)
 153                                                         != DBUS_TYPE_VARIANT)
 154                                 break;
 155                         dbus_message_iter_recurse(&entry, &value);
 156                         dbus_message_iter_get_basic(&value, &identity);
 157
 158                 } else if (g_str_equal(key, "Passphrase")) {
 159                         dbus_message_iter_next(&entry);
 160                         if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
 161                                 break;
 162                         dbus_message_iter_recurse(&entry, &value);
 163                         dbus_message_iter_get_basic(&value, &passphrase);
 164
 165                 } else if (g_str_equal(key, "WPS")) {
 166                         wps = TRUE;
 167
 168                         dbus_message_iter_next(&entry);
 169                         if (dbus_message_iter_get_arg_type(&entry)
 170                                                         != DBUS_TYPE_VARIANT)
 171                                 break;
 172                         dbus_message_iter_recurse(&entry, &value);
 173                         dbus_message_iter_get_basic(&value, &wpspin);
 174                         break;
 175                 } else if (g_str_equal(key, "Name")) {
 176                         dbus_message_iter_next(&entry);
 177                         if (dbus_message_iter_get_arg_type(&entry)
 178                                                         != DBUS_TYPE_VARIANT)
 179                                 break;
 180                         dbus_message_iter_recurse(&entry, &value);
 181                         dbus_message_iter_get_basic(&value, &name);
 182                         name_len = strlen(name);
 183                 } else if (g_str_equal(key, "SSID")) {
 184                         dbus_message_iter_next(&entry);
 185                         if (dbus_message_iter_get_arg_type(&entry)
 186                                                         != DBUS_TYPE_VARIANT)
 187                                 break;
 188                         dbus_message_iter_recurse(&entry, &value);
 189                         if (dbus_message_iter_get_arg_type(&value)
 190                                                         != DBUS_TYPE_VARIANT)
 191                                 break;
 192                         if (dbus_message_iter_get_element_type(&value)
 193                                                         != DBUS_TYPE_VARIANT)
 194                                 break;
 195                         dbus_message_iter_get_fixed_array(&value, &name,
 196                                                         &name_len);
 197                 }
 198                 dbus_message_iter_next(&dict);
 199         }
 200
 201 done:
 202         passphrase_reply->callback(passphrase_reply->service, values_received,
 203                                 name, name_len,
 204                                 identity, passphrase,
 205                                 wps, wpspin, error,
 206                                 passphrase_reply->user_data);
 207         connman_service_unref(passphrase_reply->service);
 208         dbus_message_unref(reply);
 209         dbus_pending_call_unref(call);
 210         g_free(passphrase_reply);
 211 }
 212
 213 static void request_input_append_alternates(DBusMessageIter *iter,
 214                                                         void *user_data)
 215 {
 216         const char *str = user_data;
 217         char **alternates, **alternative;
 218
 219         if (str == NULL)
 220                 return;
 221
 222         alternates = g_strsplit(str, ",", 0);
 223         if (alternates == NULL)
 224                 return;
 225
 226         for (alternative = alternates; *alternative != NULL; alternative++)
 227                 dbus_message_iter_append_basic(iter, DBUS_TYPE_STRING,
 228                                                                 alternative);
 229
 230         g_strfreev(alternates);
 231 }
 232
 233 static void request_input_append_identity(DBusMessageIter *iter,
 234                                                         void *user_data)
 235 {
 236         char *str = "string";
 237
 238         connman_dbus_dict_append_basic(iter, "Type",
 239                                 DBUS_TYPE_STRING, &str);
 240         str = "mandatory";
 241         connman_dbus_dict_append_basic(iter, "Requirement",
 242                                 DBUS_TYPE_STRING, &str);
 243 }
 244
 245 static void request_input_append_passphrase(DBusMessageIter *iter,
 246                                                         void *user_data)
 247 {
 248         struct connman_service *service = user_data;
 249         char *value;
 250         const char *phase2;
 251
 252         switch (__connman_service_get_security(service)) {
 253         case CONNMAN_SERVICE_SECURITY_WEP:
 254                 value = "wep";
 255                 break;
 256         case CONNMAN_SERVICE_SECURITY_PSK:
 257                 value = "psk";
 258                 break;
 259         case CONNMAN_SERVICE_SECURITY_8021X:
 260                 phase2 = __connman_service_get_phase2(service);
 261
 262                 if (phase2 != NULL && (
 263                                 g_str_has_suffix(phase2, "GTC") == TRUE ||
 264                                 g_str_has_suffix(phase2, "OTP") == TRUE))
 265                         value = "response";
 266                 else
 267                         value = "passphrase";
 268
 269                 break;
 270         default:
 271                 value = "string";
 272                 break;
 273         }
 274         connman_dbus_dict_append_basic(iter, "Type",
 275                                 DBUS_TYPE_STRING, &value);
 276         value = "mandatory";
 277         connman_dbus_dict_append_basic(iter, "Requirement",
 278                                 DBUS_TYPE_STRING, &value);
 279
 280         if (__connman_service_wps_enabled(service) == TRUE) {
 281                 connman_dbus_dict_append_array(iter, "Alternates",
 282                                         DBUS_TYPE_STRING,
 283                                         request_input_append_alternates,
 284                                         "WPS");
 285         }
 286 }
 287
 288 static void request_input_append_wps(DBusMessageIter *iter, void *user_data)
 289 {
 290         const char *str = "wpspin";
 291
 292         connman_dbus_dict_append_basic(iter, "Type",
 293                                 DBUS_TYPE_STRING, &str);
 294         str = "alternate";
 295         connman_dbus_dict_append_basic(iter, "Requirement",
 296                                 DBUS_TYPE_STRING, &str);
 297 }
 298
 299 static void request_input_append_name(DBusMessageIter *iter, void *user_data)
 300 {
 301         const char *str = "string";
 302
 303         connman_dbus_dict_append_basic(iter, "Type",
 304                                 DBUS_TYPE_STRING, &str);
 305         str = "mandatory";
 306         connman_dbus_dict_append_basic(iter, "Requirement",
 307                                 DBUS_TYPE_STRING, &str);
 308         connman_dbus_dict_append_array(iter, "Alternates",
 309                                 DBUS_TYPE_STRING,
 310                                 request_input_append_alternates,
 311                                 "SSID");
 312 }
 313
 314 static void request_input_append_ssid(DBusMessageIter *iter, void *user_data)
 315 {
 316         const char *str = "ssid";
 317
 318         connman_dbus_dict_append_basic(iter, "Type",
 319                                 DBUS_TYPE_STRING, &str);
 320         str = "alternate";
 321         connman_dbus_dict_append_basic(iter, "Requirement",
 322                                 DBUS_TYPE_STRING, &str);
 323 }
 324
 325 static void request_input_append_password(DBusMessageIter *iter,
 326                                                         void *user_data)
 327 {
 328         char *str = "passphrase";
 329
 330         connman_dbus_dict_append_basic(iter, "Type",
 331                                 DBUS_TYPE_STRING, &str);
 332         str = "mandatory";
 333         connman_dbus_dict_append_basic(iter, "Requirement",
 334                                 DBUS_TYPE_STRING, &str);
 335 }
 336
 337 static void request_input_login_reply(DBusPendingCall *call, void *user_data)
 338 {
 339         struct request_input_reply *username_password_reply = user_data;
 340         const char *error = NULL;
 341         connman_bool_t values_received = FALSE;
 342         char *username = NULL;
 343         char *password = NULL;
 344         char *key;
 345         DBusMessageIter iter, dict;
 346         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 347
 348         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 349                 error = dbus_message_get_error_name(reply);
 350                 goto done;
 351         }
 352
 353         if (check_reply_has_dict(reply) == FALSE)
 354                 goto done;
 355
 356         values_received = TRUE;
 357
 358         dbus_message_iter_init(reply, &iter);
 359         dbus_message_iter_recurse(&iter, &dict);
 360         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 361                 DBusMessageIter entry, value;
 362
 363                 dbus_message_iter_recurse(&dict, &entry);
 364                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
 365                         break;
 366
 367                 dbus_message_iter_get_basic(&entry, &key);
 368
 369                 if (g_str_equal(key, "Username")) {
 370                         dbus_message_iter_next(&entry);
 371                         if (dbus_message_iter_get_arg_type(&entry)
 372                                                         != DBUS_TYPE_VARIANT)
 373                                 break;
 374                         dbus_message_iter_recurse(&entry, &value);
 375                         dbus_message_iter_get_basic(&value, &username);
 376
 377                 } else if (g_str_equal(key, "Password")) {
 378                         dbus_message_iter_next(&entry);
 379                         if (dbus_message_iter_get_arg_type(&entry) !=
 380                                                         DBUS_TYPE_VARIANT)
 381                                 break;
 382                         dbus_message_iter_recurse(&entry, &value);
 383                         dbus_message_iter_get_basic(&value, &password);
 384                 }
 385
 386                 dbus_message_iter_next(&dict);
 387         }
 388
 389 done:
 390         username_password_reply->callback(username_password_reply->service,
 391                                         values_received, NULL, 0,
 392                                         username, password,
 393                                         FALSE, NULL, error,
 394                                         username_password_reply->user_data);
 395         connman_service_unref(username_password_reply->service);
 396         dbus_message_unref(reply);
 397         g_free(username_password_reply);
 398 }
 399
 400 int __connman_agent_request_passphrase_input(struct connman_service *service,
 401                                 authentication_cb_t callback, void *user_data)
 402 {
 403         DBusMessage *message;
 404         const char *path;
 405         DBusMessageIter iter;
 406         DBusMessageIter dict;
 407         DBusPendingCall *call;
 408         struct request_input_reply *passphrase_reply;
 409
 410         if (service == NULL || agent_path == NULL || callback == NULL)
 411                 return -ESRCH;
 412
 413         message = dbus_message_new_method_call(agent_sender, agent_path,
 414                                         CONNMAN_AGENT_INTERFACE,
 415                                         "RequestInput");
 416         if (message == NULL)
 417                 return -ENOMEM;
 418
 419         dbus_message_iter_init_append(message, &iter);
 420
 421         path = __connman_service_get_path(service);
 422         dbus_message_iter_append_basic(&iter,
 423                                 DBUS_TYPE_OBJECT_PATH, &path);
 424
 425         connman_dbus_dict_open(&iter, &dict);
 426
 427         if (__connman_service_is_hidden(service)) {
 428                 connman_dbus_dict_append_dict(&dict, "Name",
 429                                         request_input_append_name, NULL);
 430                 connman_dbus_dict_append_dict(&dict, "SSID",
 431                                         request_input_append_ssid, NULL);
 432         }
 433
 434         if (__connman_service_get_security(service) ==
 435                         CONNMAN_SERVICE_SECURITY_8021X) {
 436                 connman_dbus_dict_append_dict(&dict, "Identity",
 437                                         request_input_append_identity, service);
 438         }
 439
 440         if (__connman_service_get_security(service) !=
 441                         CONNMAN_SERVICE_SECURITY_NONE) {
 442                 connman_dbus_dict_append_dict(&dict, "Passphrase",
 443                                         request_input_append_passphrase, service);
 444         }
 445
 446         if (__connman_service_wps_enabled(service) == TRUE) {
 447             connman_dbus_dict_append_dict(&dict, "WPS",
 448                                 request_input_append_wps, NULL);
 449         }
 450
 451         connman_dbus_dict_close(&iter, &dict);
 452
 453         passphrase_reply = g_try_new0(struct request_input_reply, 1);
 454         if (passphrase_reply == NULL) {
 455                 dbus_message_unref(message);
 456                 return -ENOMEM;
 457         }
 458
 459         if (dbus_connection_send_with_reply(connection, message,
 460                                                 &call, -1) == FALSE) {
 461                 dbus_message_unref(message);
 462                 g_free(passphrase_reply);
 463                 return -ESRCH;
 464         }
 465
 466         if (call == NULL) {
 467                 dbus_message_unref(message);
 468                 g_free(passphrase_reply);
 469                 return -ESRCH;
 470         }
 471
 472         passphrase_reply->service = connman_service_ref(service);
 473         passphrase_reply->callback = callback;
 474         passphrase_reply->user_data = user_data;
 475
 476         dbus_pending_call_set_notify(call, request_input_passphrase_reply,
 477                                 passphrase_reply, NULL);
 478
 479         dbus_message_unref(message);
 480
 481         return -EIO;
 482 }
 483
 484 int __connman_agent_request_login_input(struct connman_service *service,
 485                                 authentication_cb_t callback, void *user_data)
 486 {
 487         DBusMessage *message;
 488         const char *path;
 489         DBusMessageIter iter;
 490         DBusMessageIter dict;
 491         DBusPendingCall *call;
 492         struct request_input_reply *username_password_reply;
 493
 494         if (service == NULL || agent_path == NULL || callback == NULL)
 495                 return -ESRCH;
 496
 497         message = dbus_message_new_method_call(agent_sender, agent_path,
 498                                         CONNMAN_AGENT_INTERFACE,
 499                                         "RequestInput");
 500         if (message == NULL)
 501                 return -ENOMEM;
 502
 503         dbus_message_iter_init_append(message, &iter);
 504
 505         path = __connman_service_get_path(service);
 506         dbus_message_iter_append_basic(&iter,
 507                                 DBUS_TYPE_OBJECT_PATH, &path);
 508
 509         connman_dbus_dict_open(&iter, &dict);
 510
 511         connman_dbus_dict_append_dict(&dict, "Username",
 512                                 request_input_append_identity, service);
 513
 514         connman_dbus_dict_append_dict(&dict, "Password",
 515                                 request_input_append_password, service);
 516
 517         connman_dbus_dict_close(&iter, &dict);
 518
 519         username_password_reply = g_try_new0(struct request_input_reply, 1);
 520         if (username_password_reply == NULL) {
 521                 dbus_message_unref(message);
 522                 return -ENOMEM;
 523         }
 524
 525         if (dbus_connection_send_with_reply(connection, message,
 526                                                         &call, -1) == FALSE) {
 527                 dbus_message_unref(message);
 528                 g_free(username_password_reply);
 529                 return -ESRCH;
 530         }
 531
 532         if (call == NULL) {
 533                 dbus_message_unref(message);
 534                 g_free(username_password_reply);
 535                 return -ESRCH;
 536         }
 537
 538         username_password_reply->service = connman_service_ref(service);
 539         username_password_reply->callback = callback;
 540         username_password_reply->user_data = user_data;
 541
 542         dbus_pending_call_set_notify(call, request_input_login_reply,
 543                                                 username_password_reply, NULL);
 544
 545         dbus_message_unref(message);
 546
 547         return -EIO;
 548 }
 549
 550 struct request_browser_reply_data {
 551         struct connman_service *service;
 552         browser_authentication_cb_t callback;
 553         void *user_data;
 554 };
 555
 556 static void request_browser_reply(DBusPendingCall *call, void *user_data)
 557 {
 558         struct request_browser_reply_data *browser_reply_data = user_data;
 559         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 560         connman_bool_t result = FALSE;
 561         const char *error = NULL;
 562
 563         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 564                 error = dbus_message_get_error_name(reply);
 565                 goto done;
 566         }
 567
 568         result = TRUE;
 569
 570 done:
 571         browser_reply_data->callback(browser_reply_data->service, result,
 572                                         error, browser_reply_data->user_data);
 573         connman_service_unref(browser_reply_data->service);
 574         dbus_message_unref(reply);
 575         g_free(browser_reply_data);
 576 }
 577
 578 int __connman_agent_request_browser(struct connman_service *service,
 579                                 browser_authentication_cb_t callback,
 580                                 const char *url, void *user_data)
 581 {
 582         struct request_browser_reply_data *browser_reply_data;
 583         DBusPendingCall *call;
 584         DBusMessage *message;
 585         DBusMessageIter iter;
 586         const char *path;
 587
 588         if (service == NULL || agent_path == NULL || callback == NULL)
 589                 return -ESRCH;
 590
 591         if (url == NULL)
 592                 url = "";
 593
 594         message = dbus_message_new_method_call(agent_sender, agent_path,
 595                                         CONNMAN_AGENT_INTERFACE,
 596                                         "RequestBrowser");
 597         if (message == NULL)
 598                 return -ENOMEM;
 599
 600         dbus_message_iter_init_append(message, &iter);
 601
 602         path = __connman_service_get_path(service);
 603         dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
 604
 605         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &url);
 606
 607         browser_reply_data = g_try_new0(struct request_browser_reply_data, 1);
 608         if (browser_reply_data == NULL) {
 609                 dbus_message_unref(message);
 610                 return -ENOMEM;
 611         }
 612
 613         if (dbus_connection_send_with_reply(connection, message,
 614                                                         &call, -1) == FALSE) {
 615                 dbus_message_unref(message);
 616                 g_free(browser_reply_data);
 617                 return -ESRCH;
 618         }
 619
 620         if (call == NULL) {
 621                 dbus_message_unref(message);
 622                 g_free(browser_reply_data);
 623                 return -ESRCH;
 624         }
 625
 626         browser_reply_data->service = connman_service_ref(service);
 627         browser_reply_data->callback = callback;
 628         browser_reply_data->user_data = user_data;
 629
 630         dbus_pending_call_set_notify(call, request_browser_reply,
 631                                                 browser_reply_data, NULL);
 632
 633         dbus_message_unref(message);
 634
 635         return -EIO;
 636 }
 637
 638 struct report_error_data {
 639         struct connman_service *service;
 640         report_error_cb_t callback;
 641         void *user_data;
 642 };
 643
 644 static void report_error_reply(DBusPendingCall *call, void *user_data)
 645 {
 646         struct report_error_data *report_error = user_data;
 647         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 648         gboolean retry = FALSE;
 649         const char *dbus_err;
 650
 651         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 652                 dbus_err = dbus_message_get_error_name(reply);
 653                 if (dbus_err != NULL &&
 654                         strcmp(dbus_err,
 655                                 CONNMAN_AGENT_INTERFACE ".Error.Retry") == 0)
 656                         retry = TRUE;
 657         }
 658
 659         report_error->callback(report_error->service, retry,
 660                         report_error->user_data);
 661         connman_service_unref(report_error->service);
 662         g_free(report_error);
 663         dbus_message_unref(reply);
 664         dbus_pending_call_unref(call);
 665 }
 666
 667 int __connman_agent_report_error(struct connman_service *service,
 668                                 const char *error,
 669                                 report_error_cb_t callback, void *user_data)
 670 {
 671         DBusMessage *message;
 672         DBusMessageIter iter;
 673         const char *path;
 674         struct report_error_data *report_error;
 675         DBusPendingCall *call;
 676
 677         if (service == NULL || agent_path == NULL || error == NULL ||
 678                 callback == NULL)
 679                 return -ESRCH;
 680
 681         message = dbus_message_new_method_call(agent_sender, agent_path,
 682                                         CONNMAN_AGENT_INTERFACE,
 683                                         "ReportError");
 684         if (message == NULL)
 685                 return -ENOMEM;
 686
 687         dbus_message_iter_init_append(message, &iter);
 688
 689         path = __connman_service_get_path(service);
 690         dbus_message_iter_append_basic(&iter,
 691                                 DBUS_TYPE_OBJECT_PATH, &path);
 692         dbus_message_iter_append_basic(&iter,
 693                                 DBUS_TYPE_STRING, &error);
 694
 695         report_error = g_try_new0(struct report_error_data, 1);
 696         if (report_error == NULL) {
 697                 dbus_message_unref(message);
 698                 return -ENOMEM;
 699         }
 700
 701         if (dbus_connection_send_with_reply(connection, message,
 702                                                 &call, -1) == FALSE) {
 703                 dbus_message_unref(message);
 704                 g_free(report_error);
 705                 return -ESRCH;
 706         }
 707
 708         if (call == NULL) {
 709                 dbus_message_unref(message);
 710                 g_free(report_error);
 711                 return -ESRCH;
 712         }
 713
 714         report_error->service = connman_service_ref(service);
 715         report_error->callback = callback;
 716         report_error->user_data = user_data;
 717         dbus_pending_call_set_notify(call, report_error_reply,
 718                                 report_error, NULL);
 719         dbus_message_unref(message);
 720
 721         return -EIO;
 722 }
 723
 724 int __connman_agent_init(void)
 725 {
 726         DBG("");
 727
 728         connection = connman_dbus_get_connection();
 729         if (connection == NULL)
 730                 return -1;
 731
 732         return 0;
 733 }
 734
 735 void __connman_agent_cleanup(void)
 736 {
 737         DBusMessage *message;
 738
 739         DBG("");
 740
 741         if (connection == NULL)
 742                 return;
 743
 744         if (agent_watch > 0)
 745                 g_dbus_remove_watch(connection, agent_watch);
 746
 747         if (agent_path == NULL)
 748                 return;
 749
 750         message = dbus_message_new_method_call(agent_sender, agent_path,
 751                                         CONNMAN_AGENT_INTERFACE, "Release");
 752         if (message == NULL)
 753                 return;
 754
 755         dbus_message_set_no_reply(message, TRUE);
 756
 757         g_dbus_send_message(connection, message);
 758
 759         agent_free();
 760
 761         dbus_connection_unref(connection);
 762 }