src/wispr.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
  29 #include <gweb/gweb.h>
  30
  31 #include "connman.h"
  32
  33 #define STATUS_URL_IPV4  "http://ipv4.connman.net/online/status.html"
  34 #define STATUS_URL_IPV6  "http://ipv6.connman.net/online/status.html"
  35
  36 struct connman_wispr_message {
  37         gboolean has_error;
  38         const char *current_element;
  39         int message_type;
  40         int response_code;
  41         char *login_url;
  42         char *abort_login_url;
  43         char *logoff_url;
  44         char *access_procedure;
  45         char *access_location;
  46         char *location_name;
  47 };
  48
  49 enum connman_wispr_result {
  50         CONNMAN_WISPR_RESULT_UNKNOWN = 0,
  51         CONNMAN_WISPR_RESULT_LOGIN   = 1,
  52         CONNMAN_WISPR_RESULT_ONLINE  = 2,
  53         CONNMAN_WISPR_RESULT_FAILED  = 3,
  54 };
  55
  56 struct connman_wispr_portal_context {
  57         struct connman_service *service;
  58         enum connman_ipconfig_type type;
  59
  60         /* Portal/WISPr common */
  61         GWeb *web;
  62         unsigned int token;
  63         guint request_id;
  64
  65         const char *status_url;
  66
  67         /* WISPr specific */
  68         GWebParser *wispr_parser;
  69         struct connman_wispr_message wispr_msg;
  70
  71         char *wispr_username;
  72         char *wispr_password;
  73         char *wispr_formdata;
  74
  75         enum connman_wispr_result wispr_result;
  76 };
  77
  78 struct connman_wispr_portal {
  79         struct connman_wispr_portal_context *ipv4_context;
  80         struct connman_wispr_portal_context *ipv6_context;
  81 };
  82
  83 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data);
  84
  85 static GHashTable *wispr_portal_list = NULL;
  86
  87 static void connman_wispr_message_init(struct connman_wispr_message *msg)
  88 {
  89         DBG("");
  90
  91         msg->has_error = FALSE;
  92         msg->current_element = NULL;
  93
  94         msg->message_type = -1;
  95         msg->response_code = -1;
  96
  97         g_free(msg->login_url);
  98         msg->login_url = NULL;
  99
 100         g_free(msg->abort_login_url);
 101         msg->abort_login_url = NULL;
 102
 103         g_free(msg->logoff_url);
 104         msg->logoff_url = NULL;
 105
 106         g_free(msg->access_procedure);
 107         msg->access_procedure = NULL;
 108
 109         g_free(msg->access_location);
 110         msg->access_location = NULL;
 111
 112         g_free(msg->location_name);
 113         msg->location_name = NULL;
 114 }
 115
 116 static void free_connman_wispr_portal_context(struct connman_wispr_portal_context *wp_context)
 117 {
 118         DBG("");
 119
 120         if (wp_context == NULL)
 121                 return;
 122
 123         if (wp_context->token > 0)
 124                 connman_proxy_lookup_cancel(wp_context->token);
 125
 126         if (wp_context->request_id > 0)
 127                 g_web_cancel_request(wp_context->web, wp_context->request_id);
 128
 129         g_web_unref(wp_context->web);
 130
 131         g_web_parser_unref(wp_context->wispr_parser);
 132         connman_wispr_message_init(&wp_context->wispr_msg);
 133
 134         g_free(wp_context->wispr_username);
 135         g_free(wp_context->wispr_password);
 136         g_free(wp_context->wispr_formdata);
 137
 138         g_free(wp_context);
 139 }
 140
 141 static void free_connman_wispr_portal(gpointer data)
 142 {
 143         struct connman_wispr_portal *wispr_portal = data;
 144
 145         DBG("");
 146
 147         if (wispr_portal == NULL)
 148                 return;
 149
 150         free_connman_wispr_portal_context(wispr_portal->ipv4_context);
 151         free_connman_wispr_portal_context(wispr_portal->ipv6_context);
 152
 153         g_free(wispr_portal);
 154 }
 155
 156 static const char *message_type_to_string(int message_type)
 157 {
 158         switch (message_type) {
 159         case 100:
 160                 return "Initial redirect message";
 161         case 110:
 162                 return "Proxy notification";
 163         case 120:
 164                 return "Authentication notification";
 165         case 130:
 166                 return "Logoff notification";
 167         case 140:
 168                 return "Response to Authentication Poll";
 169         case 150:
 170                 return "Response to Abort Login";
 171         }
 172
 173         return NULL;
 174 }
 175
 176 static const char *response_code_to_string(int response_code)
 177 {
 178         switch (response_code) {
 179         case 0:
 180                 return "No error";
 181         case 50:
 182                 return "Login succeeded";
 183         case 100:
 184                 return "Login failed";
 185         case 102:
 186                 return "RADIUS server error/timeout";
 187         case 105:
 188                 return "RADIUS server not enabled";
 189         case 150:
 190                 return "Logoff succeeded";
 191         case 151:
 192                 return "Login aborted";
 193         case 200:
 194                 return "Proxy detection/repeat operation";
 195         case 201:
 196                 return "Authentication pending";
 197         case 255:
 198                 return "Access gateway internal error";
 199         }
 200
 201         return NULL;
 202 }
 203
 204 static struct {
 205         const char *str;
 206         enum {
 207                 WISPR_ELEMENT_NONE              = 0,
 208                 WISPR_ELEMENT_ACCESS_PROCEDURE  = 1,
 209                 WISPR_ELEMENT_ACCESS_LOCATION   = 2,
 210                 WISPR_ELEMENT_LOCATION_NAME     = 3,
 211                 WISPR_ELEMENT_LOGIN_URL         = 4,
 212                 WISPR_ELEMENT_ABORT_LOGIN_URL   = 5,
 213                 WISPR_ELEMENT_MESSAGE_TYPE      = 6,
 214                 WISPR_ELEMENT_RESPONSE_CODE     = 7,
 215                 WISPR_ELEMENT_NEXT_URL          = 8,
 216                 WISPR_ELEMENT_DELAY             = 9,
 217                 WISPR_ELEMENT_REPLY_MESSAGE     = 10,
 218                 WISPR_ELEMENT_LOGIN_RESULTS_URL = 11,
 219                 WISPR_ELEMENT_LOGOFF_URL        = 12,
 220         } element;
 221 } wispr_element_map[] = {
 222         { "AccessProcedure",    WISPR_ELEMENT_ACCESS_PROCEDURE  },
 223         { "AccessLocation",     WISPR_ELEMENT_ACCESS_LOCATION   },
 224         { "LocationName",       WISPR_ELEMENT_LOCATION_NAME     },
 225         { "LoginURL",           WISPR_ELEMENT_LOGIN_URL         },
 226         { "AbortLoginURL",      WISPR_ELEMENT_ABORT_LOGIN_URL   },
 227         { "MessageType",        WISPR_ELEMENT_MESSAGE_TYPE      },
 228         { "ResponseCode",       WISPR_ELEMENT_RESPONSE_CODE     },
 229         { "NextURL",            WISPR_ELEMENT_NEXT_URL          },
 230         { "Delay",              WISPR_ELEMENT_DELAY             },
 231         { "ReplyMessage",       WISPR_ELEMENT_REPLY_MESSAGE     },
 232         { "LoginResultsURL",    WISPR_ELEMENT_LOGIN_RESULTS_URL },
 233         { "LogoffURL",          WISPR_ELEMENT_LOGOFF_URL        },
 234         { NULL,                 WISPR_ELEMENT_NONE              },
 235 };
 236
 237 static void xml_wispr_start_element_handler(GMarkupParseContext *context,
 238                                         const gchar *element_name,
 239                                         const gchar **attribute_names,
 240                                         const gchar **attribute_values,
 241                                         gpointer user_data, GError **error)
 242 {
 243         struct connman_wispr_message *msg = user_data;
 244
 245         msg->current_element = element_name;
 246 }
 247
 248 static void xml_wispr_end_element_handler(GMarkupParseContext *context,
 249                                         const gchar *element_name,
 250                                         gpointer user_data, GError **error)
 251 {
 252         struct connman_wispr_message *msg = user_data;
 253
 254         msg->current_element = NULL;
 255 }
 256
 257 static void xml_wispr_text_handler(GMarkupParseContext *context,
 258                                         const gchar *text, gsize text_len,
 259                                         gpointer user_data, GError **error)
 260 {
 261         struct connman_wispr_message *msg = user_data;
 262         int i;
 263
 264         if (msg->current_element == NULL)
 265                 return;
 266
 267         for (i = 0; wispr_element_map[i].str; i++) {
 268                 if (g_str_equal(wispr_element_map[i].str,
 269                                         msg->current_element) == FALSE)
 270                         continue;
 271
 272                 switch (wispr_element_map[i].element) {
 273                 case WISPR_ELEMENT_NONE:
 274                 case WISPR_ELEMENT_ACCESS_PROCEDURE:
 275                         g_free(msg->access_procedure);
 276                         msg->access_procedure = g_strdup(text);
 277                         break;
 278                 case WISPR_ELEMENT_ACCESS_LOCATION:
 279                         g_free(msg->access_location);
 280                         msg->access_location = g_strdup(text);
 281                         break;
 282                 case WISPR_ELEMENT_LOCATION_NAME:
 283                         g_free(msg->location_name);
 284                         msg->location_name = g_strdup(text);
 285                         break;
 286                 case WISPR_ELEMENT_LOGIN_URL:
 287                         g_free(msg->login_url);
 288                         msg->login_url = g_strdup(text);
 289                         break;
 290                 case WISPR_ELEMENT_ABORT_LOGIN_URL:
 291                         g_free(msg->abort_login_url);
 292                         msg->abort_login_url = g_strdup(text);
 293                         break;
 294                 case WISPR_ELEMENT_MESSAGE_TYPE:
 295                         msg->message_type = atoi(text);
 296                         break;
 297                 case WISPR_ELEMENT_RESPONSE_CODE:
 298                         msg->response_code = atoi(text);
 299                         break;
 300                 case WISPR_ELEMENT_NEXT_URL:
 301                 case WISPR_ELEMENT_DELAY:
 302                 case WISPR_ELEMENT_REPLY_MESSAGE:
 303                 case WISPR_ELEMENT_LOGIN_RESULTS_URL:
 304                         break;
 305                 case WISPR_ELEMENT_LOGOFF_URL:
 306                         g_free(msg->logoff_url);
 307                         msg->logoff_url = g_strdup(text);
 308                         break;
 309                 }
 310         }
 311 }
 312
 313 static void xml_wispr_error_handler(GMarkupParseContext *context,
 314                                         GError *error, gpointer user_data)
 315 {
 316         struct connman_wispr_message *msg = user_data;
 317
 318         msg->has_error = TRUE;
 319 }
 320
 321 static const GMarkupParser xml_wispr_parser_handlers = {
 322         xml_wispr_start_element_handler,
 323         xml_wispr_end_element_handler,
 324         xml_wispr_text_handler,
 325         NULL,
 326         xml_wispr_error_handler,
 327 };
 328
 329 static void xml_wispr_parser_callback(const char *str, gpointer user_data)
 330 {
 331         struct connman_wispr_portal_context *wp_context = user_data;
 332         GMarkupParseContext *parser_context = NULL;
 333         gboolean result;
 334
 335         DBG("");
 336
 337         parser_context = g_markup_parse_context_new(&xml_wispr_parser_handlers,
 338                                         G_MARKUP_TREAT_CDATA_AS_TEXT,
 339                                         &(wp_context->wispr_msg), NULL);
 340
 341         result = g_markup_parse_context_parse(parser_context,
 342                                         str, strlen(str), NULL);
 343         if (result == TRUE)
 344                 result = g_markup_parse_context_end_parse(parser_context, NULL);
 345
 346         g_markup_parse_context_free(parser_context);
 347 }
 348
 349 static void web_debug(const char *str, void *data)
 350 {
 351         connman_info("%s: %s\n", (const char *) data, str);
 352 }
 353
 354 static void wispr_portal_error(struct connman_wispr_portal_context *wp_context)
 355 {
 356         DBG("Failed to proceed wispr/portal web request");
 357
 358         wp_context->wispr_result = CONNMAN_WISPR_RESULT_FAILED;
 359 }
 360
 361 static void portal_manage_status(GWebResult *result,
 362                         struct connman_wispr_portal_context *wp_context)
 363 {
 364         const char *str = NULL;
 365
 366         DBG("");
 367
 368         /* We currently don't do anything with this info */
 369         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 370                                 &str) == TRUE)
 371                 connman_info("Client-IP: %s", str);
 372
 373         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 374                                 &str) == TRUE)
 375                 connman_info("Client-Country: %s", str);
 376
 377         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 378                                 &str) == TRUE)
 379                 connman_info("Client-Region: %s", str);
 380
 381         __connman_service_ipconfig_indicate_state(wp_context->service,
 382                                                 CONNMAN_SERVICE_STATE_ONLINE,
 383                                                 wp_context->type);
 384 }
 385
 386 static void wispr_portal_request_portal(struct connman_wispr_portal_context *wp_context)
 387 {
 388         DBG("");
 389
 390         wp_context->request_id = g_web_request_get(wp_context->web,
 391                                         wp_context->status_url,
 392                                         wispr_portal_web_result, wp_context);
 393
 394         if (wp_context->request_id == 0)
 395                 wispr_portal_error(wp_context);
 396 }
 397
 398 static gboolean wispr_input(const guint8 **data, gsize *length,
 399                                                 gpointer user_data)
 400 {
 401         struct connman_wispr_portal_context *wp_context = user_data;
 402         GString *buf;
 403         gsize count;
 404
 405         DBG("");
 406
 407         buf = g_string_sized_new(100);
 408
 409         g_string_append(buf, "button=Login&UserName=");
 410         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 411                                                                 NULL, FALSE);
 412         g_string_append(buf, "&Password=");
 413         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 414                                                                 NULL, FALSE);
 415         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 416         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 417
 418         count = buf->len;
 419
 420         g_free(wp_context->wispr_formdata);
 421         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 422
 423         *data = (guint8 *) wp_context->wispr_formdata;
 424         *length = count;
 425
 426         return FALSE;
 427 }
 428
 429 static void wispr_portal_request_wispr_login(struct connman_service *service,
 430                                 const char *username, const char *password,
 431                                 void *user_data)
 432 {
 433         struct connman_wispr_portal_context *wp_context = user_data;
 434
 435         DBG("");
 436
 437         g_free(wp_context->wispr_username);
 438         wp_context->wispr_username = g_strdup(username);
 439
 440         g_free(wp_context->wispr_password);
 441         wp_context->wispr_password = g_strdup(password);
 442
 443         wp_context->request_id = g_web_request_post(wp_context->web,
 444                                         wp_context->wispr_msg.login_url,
 445                                         "application/x-www-form-urlencoded",
 446                                         wispr_input, wispr_portal_web_result,
 447                                         wp_context);
 448
 449         connman_wispr_message_init(&wp_context->wispr_msg);
 450 }
 451
 452 static gboolean wispr_manage_message(GWebResult *result,
 453                         struct connman_wispr_portal_context *wp_context)
 454 {
 455         DBG("Message type: %s (%d)",
 456                 message_type_to_string(wp_context->wispr_msg.message_type),
 457                                         wp_context->wispr_msg.message_type);
 458         DBG("Response code: %s (%d)",
 459                 response_code_to_string(wp_context->wispr_msg.response_code),
 460                                         wp_context->wispr_msg.response_code);
 461
 462         if (wp_context->wispr_msg.access_procedure != NULL)
 463                 DBG("Access procedure: %s",
 464                         wp_context->wispr_msg.access_procedure);
 465         if (wp_context->wispr_msg.access_location != NULL)
 466                 DBG("Access location: %s",
 467                         wp_context->wispr_msg.access_location);
 468         if (wp_context->wispr_msg.location_name != NULL)
 469                 DBG("Location name: %s",
 470                         wp_context->wispr_msg.location_name);
 471         if (wp_context->wispr_msg.login_url != NULL)
 472                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 473         if (wp_context->wispr_msg.abort_login_url != NULL)
 474                 DBG("Abort login URL: %s",
 475                         wp_context->wispr_msg.abort_login_url);
 476         if (wp_context->wispr_msg.logoff_url != NULL)
 477                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 478
 479         switch (wp_context->wispr_msg.message_type) {
 480         case 100:
 481                 DBG("Login required");
 482
 483                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 484
 485                 if (__connman_agent_request_login_input(wp_context->service,
 486                                         wispr_portal_request_wispr_login,
 487                                         wp_context) != -EIO)
 488                         wispr_portal_error(wp_context);
 489
 490                 break;
 491         case 120: /* Falling down */
 492         case 140:
 493                 if (wp_context->wispr_msg.response_code == 50) {
 494                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 495
 496                         g_free(wp_context->wispr_username);
 497                         wp_context->wispr_username = NULL;
 498
 499                         g_free(wp_context->wispr_password);
 500                         wp_context->wispr_password = NULL;
 501
 502                         g_free(wp_context->wispr_formdata);
 503                         wp_context->wispr_formdata = NULL;
 504
 505                         wispr_portal_request_portal(wp_context);
 506
 507                         return TRUE;
 508                 } else
 509                         wispr_portal_error(wp_context);
 510
 511                 break;
 512         default:
 513                 break;
 514         }
 515
 516         return FALSE;
 517 }
 518
 519 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data)
 520 {
 521         struct connman_wispr_portal_context *wp_context = user_data;
 522         const char *redirect = NULL;
 523         const guint8 *chunk = NULL;
 524         const char *str = NULL;
 525         guint16 status;
 526         gsize length;
 527
 528         DBG("");
 529
 530         if (wp_context->request_id == 0)
 531                 return FALSE;
 532
 533         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 534                 g_web_result_get_chunk(result, &chunk, &length);
 535
 536                 if (length > 0) {
 537                         g_web_parser_feed_data(wp_context->wispr_parser,
 538                                                                 chunk, length);
 539                         return TRUE;
 540                 }
 541
 542                 g_web_parser_end_data(wp_context->wispr_parser);
 543
 544                 if (wp_context->wispr_msg.message_type >= 0) {
 545                         if (wispr_manage_message(result, wp_context) == TRUE)
 546                                 goto done;
 547                 }
 548         }
 549
 550         status = g_web_result_get_status(result);
 551
 552         DBG("status: %03u", status);
 553
 554         switch (status) {
 555         case 200:
 556                 if (wp_context->wispr_msg.message_type >= 0)
 557                         break;
 558
 559                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 560                                                                 &str) == TRUE)
 561                         portal_manage_status(result, wp_context);
 562                 else
 563                         __connman_service_request_login(wp_context->service);
 564
 565                 break;
 566         case 302:
 567                 if (g_web_result_get_header(result, "Location",
 568                                                 &redirect) == FALSE)
 569                         break;
 570
 571                 DBG("Redirect URL: %s", redirect);
 572
 573                 __connman_service_request_login(wp_context->service);
 574
 575                 wp_context->request_id = g_web_request_get(wp_context->web,
 576                                 redirect, wispr_portal_web_result, wp_context);
 577
 578                 goto done;
 579         case 404:
 580                 wispr_portal_error(wp_context);
 581
 582                 break;
 583         default:
 584                 break;
 585         }
 586
 587         wp_context->request_id = 0;
 588 done:
 589         wp_context->wispr_msg.message_type = -1;
 590         return FALSE;
 591 }
 592
 593 static void proxy_callback(const char *proxy, void *user_data)
 594 {
 595         struct connman_wispr_portal_context *wp_context = user_data;
 596
 597         DBG("proxy %s", proxy);
 598
 599         wp_context->token = 0;
 600
 601         if (proxy == NULL)
 602                 proxy = getenv("http_proxy");
 603
 604         if (getenv("CONNMAN_WEB_DEBUG"))
 605                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 606
 607         if (proxy != NULL && g_strcmp0(proxy, "DIRECT") != 0)
 608                 g_web_set_proxy(wp_context->web, proxy);
 609
 610         g_web_set_accept(wp_context->web, NULL);
 611         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 612         g_web_set_close_connection(wp_context->web, TRUE);
 613
 614         connman_wispr_message_init(&wp_context->wispr_msg);
 615
 616         wp_context->wispr_parser = g_web_parser_new(
 617                                         "<WISPAccessGatewayParam",
 618                                         "WISPAccessGatewayParam>",
 619                                         xml_wispr_parser_callback, wp_context);
 620
 621         wispr_portal_request_portal(wp_context);
 622 }
 623
 624 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 625 {
 626         enum connman_service_type service_type;
 627         char *interface = NULL;
 628         int err = 0;
 629
 630         DBG("wispr/portal context %p", wp_context);
 631         DBG("service %p", wp_context->service);
 632
 633         service_type = connman_service_get_type(wp_context->service);
 634
 635         switch (service_type) {
 636         case CONNMAN_SERVICE_TYPE_ETHERNET:
 637         case CONNMAN_SERVICE_TYPE_WIFI:
 638         case CONNMAN_SERVICE_TYPE_WIMAX:
 639         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 640         case CONNMAN_SERVICE_TYPE_CELLULAR:
 641                 break;
 642         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 643         case CONNMAN_SERVICE_TYPE_SYSTEM:
 644         case CONNMAN_SERVICE_TYPE_GPS:
 645         case CONNMAN_SERVICE_TYPE_VPN:
 646         case CONNMAN_SERVICE_TYPE_GADGET:
 647                 return -EOPNOTSUPP;
 648         }
 649
 650         interface = connman_service_get_interface(wp_context->service);
 651         if (interface == NULL)
 652                 return -EINVAL;
 653
 654         DBG("interface %s", interface);
 655
 656         wp_context->web = g_web_new(0);
 657         if (wp_context->web == NULL) {
 658                 err = -ENOMEM;
 659                 goto done;
 660         }
 661
 662         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 663                 g_web_set_address_family(wp_context->web, AF_INET);
 664                 wp_context->status_url = STATUS_URL_IPV4;
 665         } else {
 666                 g_web_set_address_family(wp_context->web, AF_INET6);
 667                 wp_context->status_url = STATUS_URL_IPV6;
 668         }
 669
 670         wp_context->token = connman_proxy_lookup(interface,
 671                                         wp_context->status_url,
 672                                         wp_context->service,
 673                                         proxy_callback, wp_context);
 674         if (wp_context->token == 0)
 675                 err = -EINVAL;
 676
 677 done:
 678         g_free(interface);
 679         return err;
 680 }
 681
 682 int __connman_wispr_start(struct connman_service *service,
 683                                         enum connman_ipconfig_type type)
 684 {
 685         struct connman_wispr_portal_context *wp_context = NULL;
 686         struct connman_wispr_portal *wispr_portal = NULL;
 687         int index;
 688
 689         DBG("service %p", service);
 690
 691         if (wispr_portal_list == NULL)
 692                 return -EINVAL;
 693
 694         index = __connman_service_get_index(service);
 695         if (index < 0)
 696                 return -EINVAL;
 697
 698         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 699                                         GINT_TO_POINTER(index));
 700         if (wispr_portal == NULL) {
 701                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 702                 if (wispr_portal == NULL)
 703                         return -ENOMEM;
 704
 705                 g_hash_table_replace(wispr_portal_list,
 706                                         GINT_TO_POINTER(index), wispr_portal);
 707         }
 708
 709         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 710                 wp_context = wispr_portal->ipv4_context;
 711         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 712                 wp_context = wispr_portal->ipv6_context;
 713         else
 714                 return -EINVAL;
 715
 716         if (wp_context == NULL) {
 717                 wp_context = g_try_new0(struct connman_wispr_portal_context, 1);
 718                 if (wp_context == NULL)
 719                         return -ENOMEM;
 720
 721                 wp_context->service = service;
 722                 wp_context->type = type;
 723
 724                 if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 725                         wispr_portal->ipv4_context = wp_context;
 726                 else
 727                         wispr_portal->ipv6_context = wp_context;
 728
 729                 return wispr_portal_detect(wp_context);
 730         }
 731
 732         return 0;
 733 }
 734
 735 void __connman_wispr_stop(struct connman_service *service)
 736 {
 737         int index;
 738
 739         DBG("service %p", service);
 740
 741         if (wispr_portal_list == NULL)
 742                 return;
 743
 744         index = __connman_service_get_index(service);
 745         if (index < 0)
 746                 return;
 747
 748         g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
 749 }
 750
 751 int __connman_wispr_init(void)
 752 {
 753         DBG("");
 754
 755         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
 756                                                 g_direct_equal, NULL,
 757                                                 free_connman_wispr_portal);
 758
 759         return 0;
 760 }
 761
 762 void __connman_wispr_cleanup(void)
 763 {
 764         DBG("");
 765
 766         g_hash_table_destroy(wispr_portal_list);
 767         wispr_portal_list = NULL;
 768 }