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