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_append_previouspassphrase(DBusMessageIter *iter,
 338                                                         void *user_data)
 339 {
 340         struct connman_service *service = user_data;
 341         enum connman_service_security security;
 342         const char *passphrase, *str = NULL;
 343
 344         passphrase = __connman_service_get_passphrase(service);
 345
 346         security = __connman_service_get_security(service);
 347         switch (security) {
 348         case CONNMAN_SERVICE_SECURITY_WEP:
 349                 str = "wep";
 350                 break;
 351         case CONNMAN_SERVICE_SECURITY_PSK:
 352                 str  = "psk";
 353                 break;
 354         /*
 355          * This should never happen: no passphrase is set if security is not
 356          * one of the above.*/
 357         default:
 358                 break;
 359         }
 360
 361         connman_dbus_dict_append_basic(iter, "Type",
 362                                 DBUS_TYPE_STRING, &str);
 363
 364         str = "informational";
 365         connman_dbus_dict_append_basic(iter, "Requirement",
 366                                 DBUS_TYPE_STRING, &str);
 367
 368         connman_dbus_dict_append_basic(iter, "Value",
 369                                 DBUS_TYPE_STRING, &passphrase);
 370 }
 371
 372 static void request_input_login_reply(DBusPendingCall *call, void *user_data)
 373 {
 374         struct request_input_reply *username_password_reply = user_data;
 375         const char *error = NULL;
 376         connman_bool_t values_received = FALSE;
 377         char *username = NULL;
 378         char *password = NULL;
 379         char *key;
 380         DBusMessageIter iter, dict;
 381         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 382
 383         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 384                 error = dbus_message_get_error_name(reply);
 385                 goto done;
 386         }
 387
 388         if (check_reply_has_dict(reply) == FALSE)
 389                 goto done;
 390
 391         values_received = TRUE;
 392
 393         dbus_message_iter_init(reply, &iter);
 394         dbus_message_iter_recurse(&iter, &dict);
 395         while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
 396                 DBusMessageIter entry, value;
 397
 398                 dbus_message_iter_recurse(&dict, &entry);
 399                 if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
 400                         break;
 401
 402                 dbus_message_iter_get_basic(&entry, &key);
 403
 404                 if (g_str_equal(key, "Username")) {
 405                         dbus_message_iter_next(&entry);
 406                         if (dbus_message_iter_get_arg_type(&entry)
 407                                                         != DBUS_TYPE_VARIANT)
 408                                 break;
 409                         dbus_message_iter_recurse(&entry, &value);
 410                         dbus_message_iter_get_basic(&value, &username);
 411
 412                 } else if (g_str_equal(key, "Password")) {
 413                         dbus_message_iter_next(&entry);
 414                         if (dbus_message_iter_get_arg_type(&entry) !=
 415                                                         DBUS_TYPE_VARIANT)
 416                                 break;
 417                         dbus_message_iter_recurse(&entry, &value);
 418                         dbus_message_iter_get_basic(&value, &password);
 419                 }
 420
 421                 dbus_message_iter_next(&dict);
 422         }
 423
 424 done:
 425         username_password_reply->callback(username_password_reply->service,
 426                                         values_received, NULL, 0,
 427                                         username, password,
 428                                         FALSE, NULL, error,
 429                                         username_password_reply->user_data);
 430         connman_service_unref(username_password_reply->service);
 431         dbus_message_unref(reply);
 432         g_free(username_password_reply);
 433 }
 434
 435 int __connman_agent_request_passphrase_input(struct connman_service *service,
 436                                 authentication_cb_t callback, void *user_data)
 437 {
 438         DBusMessage *message;
 439         const char *path;
 440         DBusMessageIter iter;
 441         DBusMessageIter dict;
 442         DBusPendingCall *call;
 443         struct request_input_reply *passphrase_reply;
 444
 445         if (service == NULL || agent_path == NULL || callback == NULL)
 446                 return -ESRCH;
 447
 448         message = dbus_message_new_method_call(agent_sender, agent_path,
 449                                         CONNMAN_AGENT_INTERFACE,
 450                                         "RequestInput");
 451         if (message == NULL)
 452                 return -ENOMEM;
 453
 454         dbus_message_iter_init_append(message, &iter);
 455
 456         path = __connman_service_get_path(service);
 457         dbus_message_iter_append_basic(&iter,
 458                                 DBUS_TYPE_OBJECT_PATH, &path);
 459
 460         connman_dbus_dict_open(&iter, &dict);
 461
 462         if (__connman_service_is_hidden(service)) {
 463                 connman_dbus_dict_append_dict(&dict, "Name",
 464                                         request_input_append_name, NULL);
 465                 connman_dbus_dict_append_dict(&dict, "SSID",
 466                                         request_input_append_ssid, NULL);
 467         }
 468
 469         if (__connman_service_get_security(service) ==
 470                         CONNMAN_SERVICE_SECURITY_8021X) {
 471                 connman_dbus_dict_append_dict(&dict, "Identity",
 472                                         request_input_append_identity, service);
 473         }
 474
 475         if (__connman_service_get_security(service) !=
 476                         CONNMAN_SERVICE_SECURITY_NONE) {
 477                 connman_dbus_dict_append_dict(&dict, "Passphrase",
 478                                         request_input_append_passphrase, service);
 479
 480                 if (__connman_service_get_passphrase(service) != NULL)
 481                         connman_dbus_dict_append_dict(&dict, "PreviousPassphrase",
 482                                         request_input_append_previouspassphrase,
 483                                         service);
 484         }
 485
 486         if (__connman_service_wps_enabled(service) == TRUE) {
 487             connman_dbus_dict_append_dict(&dict, "WPS",
 488                                 request_input_append_wps, NULL);
 489         }
 490
 491         connman_dbus_dict_close(&iter, &dict);
 492
 493         passphrase_reply = g_try_new0(struct request_input_reply, 1);
 494         if (passphrase_reply == NULL) {
 495                 dbus_message_unref(message);
 496                 return -ENOMEM;
 497         }
 498
 499         if (dbus_connection_send_with_reply(connection, message, &call,
 500                                         connman_timeout_input_request())
 501                         == FALSE) {
 502                 dbus_message_unref(message);
 503                 g_free(passphrase_reply);
 504                 return -ESRCH;
 505         }
 506
 507         if (call == NULL) {
 508                 dbus_message_unref(message);
 509                 g_free(passphrase_reply);
 510                 return -ESRCH;
 511         }
 512
 513         passphrase_reply->service = connman_service_ref(service);
 514         passphrase_reply->callback = callback;
 515         passphrase_reply->user_data = user_data;
 516
 517         dbus_pending_call_set_notify(call, request_input_passphrase_reply,
 518                                 passphrase_reply, NULL);
 519
 520         dbus_message_unref(message);
 521
 522         return -EINPROGRESS;
 523 }
 524
 525 int __connman_agent_request_login_input(struct connman_service *service,
 526                                 authentication_cb_t callback, void *user_data)
 527 {
 528         DBusMessage *message;
 529         const char *path;
 530         DBusMessageIter iter;
 531         DBusMessageIter dict;
 532         DBusPendingCall *call;
 533         struct request_input_reply *username_password_reply;
 534
 535         if (service == NULL || agent_path == NULL || callback == NULL)
 536                 return -ESRCH;
 537
 538         message = dbus_message_new_method_call(agent_sender, agent_path,
 539                                         CONNMAN_AGENT_INTERFACE,
 540                                         "RequestInput");
 541         if (message == NULL)
 542                 return -ENOMEM;
 543
 544         dbus_message_iter_init_append(message, &iter);
 545
 546         path = __connman_service_get_path(service);
 547         dbus_message_iter_append_basic(&iter,
 548                                 DBUS_TYPE_OBJECT_PATH, &path);
 549
 550         connman_dbus_dict_open(&iter, &dict);
 551
 552         connman_dbus_dict_append_dict(&dict, "Username",
 553                                 request_input_append_identity, service);
 554
 555         connman_dbus_dict_append_dict(&dict, "Password",
 556                                 request_input_append_password, service);
 557
 558         connman_dbus_dict_close(&iter, &dict);
 559
 560         username_password_reply = g_try_new0(struct request_input_reply, 1);
 561         if (username_password_reply == NULL) {
 562                 dbus_message_unref(message);
 563                 return -ENOMEM;
 564         }
 565
 566         if (dbus_connection_send_with_reply(connection, message, &call,
 567                                         connman_timeout_input_request())
 568                         == FALSE) {
 569                 dbus_message_unref(message);
 570                 g_free(username_password_reply);
 571                 return -ESRCH;
 572         }
 573
 574         if (call == NULL) {
 575                 dbus_message_unref(message);
 576                 g_free(username_password_reply);
 577                 return -ESRCH;
 578         }
 579
 580         username_password_reply->service = connman_service_ref(service);
 581         username_password_reply->callback = callback;
 582         username_password_reply->user_data = user_data;
 583
 584         dbus_pending_call_set_notify(call, request_input_login_reply,
 585                                                 username_password_reply, NULL);
 586
 587         dbus_message_unref(message);
 588
 589         return -EINPROGRESS;
 590 }
 591
 592 struct request_browser_reply_data {
 593         struct connman_service *service;
 594         browser_authentication_cb_t callback;
 595         void *user_data;
 596 };
 597
 598 static void request_browser_reply(DBusPendingCall *call, void *user_data)
 599 {
 600         struct request_browser_reply_data *browser_reply_data = user_data;
 601         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 602         connman_bool_t result = FALSE;
 603         const char *error = NULL;
 604
 605         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 606                 error = dbus_message_get_error_name(reply);
 607                 goto done;
 608         }
 609
 610         result = TRUE;
 611
 612 done:
 613         browser_reply_data->callback(browser_reply_data->service, result,
 614                                         error, browser_reply_data->user_data);
 615         connman_service_unref(browser_reply_data->service);
 616         dbus_message_unref(reply);
 617         g_free(browser_reply_data);
 618 }
 619
 620 int __connman_agent_request_browser(struct connman_service *service,
 621                                 browser_authentication_cb_t callback,
 622                                 const char *url, void *user_data)
 623 {
 624         struct request_browser_reply_data *browser_reply_data;
 625         DBusPendingCall *call;
 626         DBusMessage *message;
 627         DBusMessageIter iter;
 628         const char *path;
 629
 630         if (service == NULL || agent_path == NULL || callback == NULL)
 631                 return -ESRCH;
 632
 633         if (url == NULL)
 634                 url = "";
 635
 636         message = dbus_message_new_method_call(agent_sender, agent_path,
 637                                         CONNMAN_AGENT_INTERFACE,
 638                                         "RequestBrowser");
 639         if (message == NULL)
 640                 return -ENOMEM;
 641
 642         dbus_message_iter_init_append(message, &iter);
 643
 644         path = __connman_service_get_path(service);
 645         dbus_message_iter_append_basic(&iter, DBUS_TYPE_OBJECT_PATH, &path);
 646
 647         dbus_message_iter_append_basic(&iter, DBUS_TYPE_STRING, &url);
 648
 649         browser_reply_data = g_try_new0(struct request_browser_reply_data, 1);
 650         if (browser_reply_data == NULL) {
 651                 dbus_message_unref(message);
 652                 return -ENOMEM;
 653         }
 654
 655         if (dbus_connection_send_with_reply(connection, message, &call,
 656                                         connman_timeout_browser_launch())
 657                         == FALSE) {
 658                 dbus_message_unref(message);
 659                 g_free(browser_reply_data);
 660                 return -ESRCH;
 661         }
 662
 663         if (call == NULL) {
 664                 dbus_message_unref(message);
 665                 g_free(browser_reply_data);
 666                 return -ESRCH;
 667         }
 668
 669         browser_reply_data->service = connman_service_ref(service);
 670         browser_reply_data->callback = callback;
 671         browser_reply_data->user_data = user_data;
 672
 673         dbus_pending_call_set_notify(call, request_browser_reply,
 674                                                 browser_reply_data, NULL);
 675
 676         dbus_message_unref(message);
 677
 678         return -EINPROGRESS;
 679 }
 680
 681 struct report_error_data {
 682         struct connman_service *service;
 683         report_error_cb_t callback;
 684         void *user_data;
 685 };
 686
 687 static void report_error_reply(DBusPendingCall *call, void *user_data)
 688 {
 689         struct report_error_data *report_error = user_data;
 690         DBusMessage *reply = dbus_pending_call_steal_reply(call);
 691         gboolean retry = FALSE;
 692         const char *dbus_err;
 693
 694         if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR) {
 695                 dbus_err = dbus_message_get_error_name(reply);
 696                 if (dbus_err != NULL &&
 697                         strcmp(dbus_err,
 698                                 CONNMAN_AGENT_INTERFACE ".Error.Retry") == 0)
 699                         retry = TRUE;
 700         }
 701
 702         report_error->callback(report_error->service, retry,
 703                         report_error->user_data);
 704         connman_service_unref(report_error->service);
 705         g_free(report_error);
 706         dbus_message_unref(reply);
 707         dbus_pending_call_unref(call);
 708 }
 709
 710 int __connman_agent_report_error(struct connman_service *service,
 711                                 const char *error,
 712                                 report_error_cb_t callback, void *user_data)
 713 {
 714         DBusMessage *message;
 715         DBusMessageIter iter;
 716         const char *path;
 717         struct report_error_data *report_error;
 718         DBusPendingCall *call;
 719
 720         if (service == NULL || agent_path == NULL || error == NULL ||
 721                 callback == NULL)
 722                 return -ESRCH;
 723
 724         message = dbus_message_new_method_call(agent_sender, agent_path,
 725                                         CONNMAN_AGENT_INTERFACE,
 726                                         "ReportError");
 727         if (message == NULL)
 728                 return -ENOMEM;
 729
 730         dbus_message_iter_init_append(message, &iter);
 731
 732         path = __connman_service_get_path(service);
 733         dbus_message_iter_append_basic(&iter,
 734                                 DBUS_TYPE_OBJECT_PATH, &path);
 735         dbus_message_iter_append_basic(&iter,
 736                                 DBUS_TYPE_STRING, &error);
 737
 738         report_error = g_try_new0(struct report_error_data, 1);
 739         if (report_error == NULL) {
 740                 dbus_message_unref(message);
 741                 return -ENOMEM;
 742         }
 743
 744         if (dbus_connection_send_with_reply(connection, message, &call,
 745                                         connman_timeout_input_request())
 746                         == FALSE) {
 747                 dbus_message_unref(message);
 748                 g_free(report_error);
 749                 return -ESRCH;
 750         }
 751
 752         if (call == NULL) {
 753                 dbus_message_unref(message);
 754                 g_free(report_error);
 755                 return -ESRCH;
 756         }
 757
 758         report_error->service = connman_service_ref(service);
 759         report_error->callback = callback;
 760         report_error->user_data = user_data;
 761         dbus_pending_call_set_notify(call, report_error_reply,
 762                                 report_error, NULL);
 763         dbus_message_unref(message);
 764
 765         return -EINPROGRESS;
 766 }
 767
 768 int __connman_agent_init(void)
 769 {
 770         DBG("");
 771
 772         connection = connman_dbus_get_connection();
 773         if (connection == NULL)
 774                 return -1;
 775
 776         return 0;
 777 }
 778
 779 void __connman_agent_cleanup(void)
 780 {
 781         DBusMessage *message;
 782
 783         DBG("");
 784
 785         if (connection == NULL)
 786                 return;
 787
 788         if (agent_watch > 0)
 789                 g_dbus_remove_watch(connection, agent_watch);
 790
 791         if (agent_path == NULL)
 792                 return;
 793
 794         message = dbus_message_new_method_call(agent_sender, agent_path,
 795                                         CONNMAN_AGENT_INTERFACE, "Release");
 796         if (message == NULL)
 797                 return;
 798
 799         dbus_message_set_no_reply(message, TRUE);
 800
 801         g_dbus_send_message(connection, message);
 802
 803         agent_free();
 804
 805         dbus_connection_unref(connection);
 806 }