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         connman_service_unref(wp_context->service);
 124
 125         if (wp_context->token > 0)
 126                 connman_proxy_lookup_cancel(wp_context->token);
 127
 128         if (wp_context->request_id > 0)
 129                 g_web_cancel_request(wp_context->web, wp_context->request_id);
 130
 131         g_web_unref(wp_context->web);
 132
 133         g_web_parser_unref(wp_context->wispr_parser);
 134         connman_wispr_message_init(&wp_context->wispr_msg);
 135
 136         g_free(wp_context->wispr_username);
 137         g_free(wp_context->wispr_password);
 138         g_free(wp_context->wispr_formdata);
 139
 140         g_free(wp_context);
 141 }
 142
 143 static void free_connman_wispr_portal(gpointer data)
 144 {
 145         struct connman_wispr_portal *wispr_portal = data;
 146
 147         DBG("");
 148
 149         if (wispr_portal == NULL)
 150                 return;
 151
 152         free_connman_wispr_portal_context(wispr_portal->ipv4_context);
 153         free_connman_wispr_portal_context(wispr_portal->ipv6_context);
 154
 155         g_free(wispr_portal);
 156 }
 157
 158 static const char *message_type_to_string(int message_type)
 159 {
 160         switch (message_type) {
 161         case 100:
 162                 return "Initial redirect message";
 163         case 110:
 164                 return "Proxy notification";
 165         case 120:
 166                 return "Authentication notification";
 167         case 130:
 168                 return "Logoff notification";
 169         case 140:
 170                 return "Response to Authentication Poll";
 171         case 150:
 172                 return "Response to Abort Login";
 173         }
 174
 175         return NULL;
 176 }
 177
 178 static const char *response_code_to_string(int response_code)
 179 {
 180         switch (response_code) {
 181         case 0:
 182                 return "No error";
 183         case 50:
 184                 return "Login succeeded";
 185         case 100:
 186                 return "Login failed";
 187         case 102:
 188                 return "RADIUS server error/timeout";
 189         case 105:
 190                 return "RADIUS server not enabled";
 191         case 150:
 192                 return "Logoff succeeded";
 193         case 151:
 194                 return "Login aborted";
 195         case 200:
 196                 return "Proxy detection/repeat operation";
 197         case 201:
 198                 return "Authentication pending";
 199         case 255:
 200                 return "Access gateway internal error";
 201         }
 202
 203         return NULL;
 204 }
 205
 206 static struct {
 207         const char *str;
 208         enum {
 209                 WISPR_ELEMENT_NONE              = 0,
 210                 WISPR_ELEMENT_ACCESS_PROCEDURE  = 1,
 211                 WISPR_ELEMENT_ACCESS_LOCATION   = 2,
 212                 WISPR_ELEMENT_LOCATION_NAME     = 3,
 213                 WISPR_ELEMENT_LOGIN_URL         = 4,
 214                 WISPR_ELEMENT_ABORT_LOGIN_URL   = 5,
 215                 WISPR_ELEMENT_MESSAGE_TYPE      = 6,
 216                 WISPR_ELEMENT_RESPONSE_CODE     = 7,
 217                 WISPR_ELEMENT_NEXT_URL          = 8,
 218                 WISPR_ELEMENT_DELAY             = 9,
 219                 WISPR_ELEMENT_REPLY_MESSAGE     = 10,
 220                 WISPR_ELEMENT_LOGIN_RESULTS_URL = 11,
 221                 WISPR_ELEMENT_LOGOFF_URL        = 12,
 222         } element;
 223 } wispr_element_map[] = {
 224         { "AccessProcedure",    WISPR_ELEMENT_ACCESS_PROCEDURE  },
 225         { "AccessLocation",     WISPR_ELEMENT_ACCESS_LOCATION   },
 226         { "LocationName",       WISPR_ELEMENT_LOCATION_NAME     },
 227         { "LoginURL",           WISPR_ELEMENT_LOGIN_URL         },
 228         { "AbortLoginURL",      WISPR_ELEMENT_ABORT_LOGIN_URL   },
 229         { "MessageType",        WISPR_ELEMENT_MESSAGE_TYPE      },
 230         { "ResponseCode",       WISPR_ELEMENT_RESPONSE_CODE     },
 231         { "NextURL",            WISPR_ELEMENT_NEXT_URL          },
 232         { "Delay",              WISPR_ELEMENT_DELAY             },
 233         { "ReplyMessage",       WISPR_ELEMENT_REPLY_MESSAGE     },
 234         { "LoginResultsURL",    WISPR_ELEMENT_LOGIN_RESULTS_URL },
 235         { "LogoffURL",          WISPR_ELEMENT_LOGOFF_URL        },
 236         { NULL,                 WISPR_ELEMENT_NONE              },
 237 };
 238
 239 static void xml_wispr_start_element_handler(GMarkupParseContext *context,
 240                                         const gchar *element_name,
 241                                         const gchar **attribute_names,
 242                                         const gchar **attribute_values,
 243                                         gpointer user_data, GError **error)
 244 {
 245         struct connman_wispr_message *msg = user_data;
 246
 247         msg->current_element = element_name;
 248 }
 249
 250 static void xml_wispr_end_element_handler(GMarkupParseContext *context,
 251                                         const gchar *element_name,
 252                                         gpointer user_data, GError **error)
 253 {
 254         struct connman_wispr_message *msg = user_data;
 255
 256         msg->current_element = NULL;
 257 }
 258
 259 static void xml_wispr_text_handler(GMarkupParseContext *context,
 260                                         const gchar *text, gsize text_len,
 261                                         gpointer user_data, GError **error)
 262 {
 263         struct connman_wispr_message *msg = user_data;
 264         int i;
 265
 266         if (msg->current_element == NULL)
 267                 return;
 268
 269         for (i = 0; wispr_element_map[i].str; i++) {
 270                 if (g_str_equal(wispr_element_map[i].str,
 271                                         msg->current_element) == FALSE)
 272                         continue;
 273
 274                 switch (wispr_element_map[i].element) {
 275                 case WISPR_ELEMENT_NONE:
 276                 case WISPR_ELEMENT_ACCESS_PROCEDURE:
 277                         g_free(msg->access_procedure);
 278                         msg->access_procedure = g_strdup(text);
 279                         break;
 280                 case WISPR_ELEMENT_ACCESS_LOCATION:
 281                         g_free(msg->access_location);
 282                         msg->access_location = g_strdup(text);
 283                         break;
 284                 case WISPR_ELEMENT_LOCATION_NAME:
 285                         g_free(msg->location_name);
 286                         msg->location_name = g_strdup(text);
 287                         break;
 288                 case WISPR_ELEMENT_LOGIN_URL:
 289                         g_free(msg->login_url);
 290                         msg->login_url = g_strdup(text);
 291                         break;
 292                 case WISPR_ELEMENT_ABORT_LOGIN_URL:
 293                         g_free(msg->abort_login_url);
 294                         msg->abort_login_url = g_strdup(text);
 295                         break;
 296                 case WISPR_ELEMENT_MESSAGE_TYPE:
 297                         msg->message_type = atoi(text);
 298                         break;
 299                 case WISPR_ELEMENT_RESPONSE_CODE:
 300                         msg->response_code = atoi(text);
 301                         break;
 302                 case WISPR_ELEMENT_NEXT_URL:
 303                 case WISPR_ELEMENT_DELAY:
 304                 case WISPR_ELEMENT_REPLY_MESSAGE:
 305                 case WISPR_ELEMENT_LOGIN_RESULTS_URL:
 306                         break;
 307                 case WISPR_ELEMENT_LOGOFF_URL:
 308                         g_free(msg->logoff_url);
 309                         msg->logoff_url = g_strdup(text);
 310                         break;
 311                 }
 312         }
 313 }
 314
 315 static void xml_wispr_error_handler(GMarkupParseContext *context,
 316                                         GError *error, gpointer user_data)
 317 {
 318         struct connman_wispr_message *msg = user_data;
 319
 320         msg->has_error = TRUE;
 321 }
 322
 323 static const GMarkupParser xml_wispr_parser_handlers = {
 324         xml_wispr_start_element_handler,
 325         xml_wispr_end_element_handler,
 326         xml_wispr_text_handler,
 327         NULL,
 328         xml_wispr_error_handler,
 329 };
 330
 331 static void xml_wispr_parser_callback(const char *str, gpointer user_data)
 332 {
 333         struct connman_wispr_portal_context *wp_context = user_data;
 334         GMarkupParseContext *parser_context = NULL;
 335         gboolean result;
 336
 337         DBG("");
 338
 339         parser_context = g_markup_parse_context_new(&xml_wispr_parser_handlers,
 340                                         G_MARKUP_TREAT_CDATA_AS_TEXT,
 341                                         &(wp_context->wispr_msg), NULL);
 342
 343         result = g_markup_parse_context_parse(parser_context,
 344                                         str, strlen(str), NULL);
 345         if (result == TRUE)
 346                 result = g_markup_parse_context_end_parse(parser_context, NULL);
 347
 348         g_markup_parse_context_free(parser_context);
 349 }
 350
 351 static void web_debug(const char *str, void *data)
 352 {
 353         connman_info("%s: %s\n", (const char *) data, str);
 354 }
 355
 356 static void wispr_portal_error(struct connman_wispr_portal_context *wp_context)
 357 {
 358         DBG("Failed to proceed wispr/portal web request");
 359
 360         wp_context->wispr_result = CONNMAN_WISPR_RESULT_FAILED;
 361 }
 362
 363 static void portal_manage_status(GWebResult *result,
 364                         struct connman_wispr_portal_context *wp_context)
 365 {
 366         const char *str = NULL;
 367
 368         DBG("");
 369
 370         /* We currently don't do anything with this info */
 371         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 372                                 &str) == TRUE)
 373                 connman_info("Client-IP: %s", str);
 374
 375         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 376                                 &str) == TRUE)
 377                 connman_info("Client-Country: %s", str);
 378
 379         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 380                                 &str) == TRUE)
 381                 connman_info("Client-Region: %s", str);
 382
 383         __connman_service_ipconfig_indicate_state(wp_context->service,
 384                                                 CONNMAN_SERVICE_STATE_ONLINE,
 385                                                 wp_context->type);
 386 }
 387
 388 static void wispr_portal_request_portal(struct connman_wispr_portal_context *wp_context)
 389 {
 390         DBG("");
 391
 392         wp_context->request_id = g_web_request_get(wp_context->web,
 393                                         wp_context->status_url,
 394                                         wispr_portal_web_result, wp_context);
 395
 396         if (wp_context->request_id == 0)
 397                 wispr_portal_error(wp_context);
 398 }
 399
 400 static gboolean wispr_input(const guint8 **data, gsize *length,
 401                                                 gpointer user_data)
 402 {
 403         struct connman_wispr_portal_context *wp_context = user_data;
 404         GString *buf;
 405         gsize count;
 406
 407         DBG("");
 408
 409         buf = g_string_sized_new(100);
 410
 411         g_string_append(buf, "button=Login&UserName=");
 412         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 413                                                                 NULL, FALSE);
 414         g_string_append(buf, "&Password=");
 415         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 416                                                                 NULL, FALSE);
 417         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 418         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 419
 420         count = buf->len;
 421
 422         g_free(wp_context->wispr_formdata);
 423         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 424
 425         *data = (guint8 *) wp_context->wispr_formdata;
 426         *length = count;
 427
 428         return FALSE;
 429 }
 430
 431 static void wispr_portal_request_wispr_login(struct connman_service *service,
 432                                 const char *username, const char *password,
 433                                 void *user_data)
 434 {
 435         struct connman_wispr_portal_context *wp_context = user_data;
 436
 437         DBG("");
 438
 439         g_free(wp_context->wispr_username);
 440         wp_context->wispr_username = g_strdup(username);
 441
 442         g_free(wp_context->wispr_password);
 443         wp_context->wispr_password = g_strdup(password);
 444
 445         wp_context->request_id = g_web_request_post(wp_context->web,
 446                                         wp_context->wispr_msg.login_url,
 447                                         "application/x-www-form-urlencoded",
 448                                         wispr_input, wispr_portal_web_result,
 449                                         wp_context);
 450
 451         connman_wispr_message_init(&wp_context->wispr_msg);
 452 }
 453
 454 static gboolean wispr_manage_message(GWebResult *result,
 455                         struct connman_wispr_portal_context *wp_context)
 456 {
 457         DBG("Message type: %s (%d)",
 458                 message_type_to_string(wp_context->wispr_msg.message_type),
 459                                         wp_context->wispr_msg.message_type);
 460         DBG("Response code: %s (%d)",
 461                 response_code_to_string(wp_context->wispr_msg.response_code),
 462                                         wp_context->wispr_msg.response_code);
 463
 464         if (wp_context->wispr_msg.access_procedure != NULL)
 465                 DBG("Access procedure: %s",
 466                         wp_context->wispr_msg.access_procedure);
 467         if (wp_context->wispr_msg.access_location != NULL)
 468                 DBG("Access location: %s",
 469                         wp_context->wispr_msg.access_location);
 470         if (wp_context->wispr_msg.location_name != NULL)
 471                 DBG("Location name: %s",
 472                         wp_context->wispr_msg.location_name);
 473         if (wp_context->wispr_msg.login_url != NULL)
 474                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 475         if (wp_context->wispr_msg.abort_login_url != NULL)
 476                 DBG("Abort login URL: %s",
 477                         wp_context->wispr_msg.abort_login_url);
 478         if (wp_context->wispr_msg.logoff_url != NULL)
 479                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 480
 481         switch (wp_context->wispr_msg.message_type) {
 482         case 100:
 483                 DBG("Login required");
 484
 485                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 486
 487                 __connman_service_request_login(wp_context->service);
 488
 489                 if (__connman_agent_request_login_input(wp_context->service,
 490                                         wispr_portal_request_wispr_login,
 491                                         wp_context) != -EIO)
 492                         wispr_portal_error(wp_context);
 493
 494                 break;
 495         case 120: /* Falling down */
 496         case 140:
 497                 if (wp_context->wispr_msg.response_code == 50) {
 498                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 499
 500                         g_free(wp_context->wispr_username);
 501                         wp_context->wispr_username = NULL;
 502
 503                         g_free(wp_context->wispr_password);
 504                         wp_context->wispr_password = NULL;
 505
 506                         g_free(wp_context->wispr_formdata);
 507                         wp_context->wispr_formdata = NULL;
 508
 509                         wispr_portal_request_portal(wp_context);
 510
 511                         return TRUE;
 512                 } else
 513                         wispr_portal_error(wp_context);
 514
 515                 break;
 516         default:
 517                 break;
 518         }
 519
 520         return FALSE;
 521 }
 522
 523 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data)
 524 {
 525         struct connman_wispr_portal_context *wp_context = user_data;
 526         const char *redirect = NULL;
 527         const guint8 *chunk = NULL;
 528         const char *str = NULL;
 529         guint16 status;
 530         gsize length;
 531
 532         DBG("");
 533
 534         if (wp_context->request_id == 0)
 535                 return FALSE;
 536
 537         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 538                 g_web_result_get_chunk(result, &chunk, &length);
 539
 540                 if (length > 0) {
 541                         g_web_parser_feed_data(wp_context->wispr_parser,
 542                                                                 chunk, length);
 543                         return TRUE;
 544                 }
 545
 546                 g_web_parser_end_data(wp_context->wispr_parser);
 547
 548                 if (wp_context->wispr_msg.message_type >= 0) {
 549                         if (wispr_manage_message(result, wp_context) == TRUE)
 550                                 goto done;
 551                 }
 552         }
 553
 554         status = g_web_result_get_status(result);
 555
 556         DBG("status: %03u", status);
 557
 558         switch (status) {
 559         case 200:
 560                 if (wp_context->wispr_msg.message_type >= 0)
 561                         break;
 562
 563                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 564                                                                 &str) == TRUE)
 565                         portal_manage_status(result, wp_context);
 566                 else
 567                         __connman_service_request_login(wp_context->service);
 568
 569                 break;
 570         case 302:
 571                 if (g_web_result_get_header(result, "Location",
 572                                                 &redirect) == FALSE)
 573                         break;
 574
 575                 DBG("Redirect URL: %s", redirect);
 576
 577                 wp_context->request_id = g_web_request_get(wp_context->web,
 578                                 redirect, wispr_portal_web_result, wp_context);
 579
 580                 goto done;
 581         case 404:
 582                 wispr_portal_error(wp_context);
 583
 584                 break;
 585         default:
 586                 break;
 587         }
 588
 589         wp_context->request_id = 0;
 590 done:
 591         wp_context->wispr_msg.message_type = -1;
 592         return FALSE;
 593 }
 594
 595 static void proxy_callback(const char *proxy, void *user_data)
 596 {
 597         struct connman_wispr_portal_context *wp_context = user_data;
 598
 599         DBG("proxy %s", proxy);
 600
 601         wp_context->token = 0;
 602
 603         if (proxy == NULL)
 604                 proxy = getenv("http_proxy");
 605
 606         if (getenv("CONNMAN_WEB_DEBUG"))
 607                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 608
 609         if (proxy != NULL && g_strcmp0(proxy, "DIRECT") != 0)
 610                 g_web_set_proxy(wp_context->web, proxy);
 611
 612         g_web_set_accept(wp_context->web, NULL);
 613         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 614         g_web_set_close_connection(wp_context->web, TRUE);
 615
 616         connman_wispr_message_init(&wp_context->wispr_msg);
 617
 618         wp_context->wispr_parser = g_web_parser_new(
 619                                         "<WISPAccessGatewayParam",
 620                                         "WISPAccessGatewayParam>",
 621                                         xml_wispr_parser_callback, wp_context);
 622
 623         wispr_portal_request_portal(wp_context);
 624 }
 625
 626 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 627 {
 628         enum connman_service_type service_type;
 629         char *interface = NULL;
 630         int err = 0;
 631
 632         DBG("wispr/portal context %p", wp_context);
 633         DBG("service %p", wp_context->service);
 634
 635         service_type = connman_service_get_type(wp_context->service);
 636
 637         switch (service_type) {
 638         case CONNMAN_SERVICE_TYPE_ETHERNET:
 639         case CONNMAN_SERVICE_TYPE_WIFI:
 640         case CONNMAN_SERVICE_TYPE_WIMAX:
 641         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 642         case CONNMAN_SERVICE_TYPE_CELLULAR:
 643                 break;
 644         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 645         case CONNMAN_SERVICE_TYPE_SYSTEM:
 646         case CONNMAN_SERVICE_TYPE_GPS:
 647         case CONNMAN_SERVICE_TYPE_VPN:
 648         case CONNMAN_SERVICE_TYPE_GADGET:
 649                 return -EOPNOTSUPP;
 650         }
 651
 652         interface = connman_service_get_interface(wp_context->service);
 653         if (interface == NULL)
 654                 return -EINVAL;
 655
 656         DBG("interface %s", interface);
 657
 658         wp_context->web = g_web_new(0);
 659         if (wp_context->web == NULL) {
 660                 err = -ENOMEM;
 661                 goto done;
 662         }
 663
 664         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 665                 g_web_set_address_family(wp_context->web, AF_INET);
 666                 wp_context->status_url = STATUS_URL_IPV4;
 667         } else {
 668                 g_web_set_address_family(wp_context->web, AF_INET6);
 669                 wp_context->status_url = STATUS_URL_IPV6;
 670         }
 671
 672         wp_context->token = connman_proxy_lookup(interface,
 673                                         wp_context->status_url,
 674                                         wp_context->service,
 675                                         proxy_callback, wp_context);
 676         if (wp_context->token == 0)
 677                 err = -EINVAL;
 678
 679 done:
 680         g_free(interface);
 681         return err;
 682 }
 683
 684 int __connman_wispr_start(struct connman_service *service,
 685                                         enum connman_ipconfig_type type)
 686 {
 687         struct connman_wispr_portal_context *wp_context = NULL;
 688         struct connman_wispr_portal *wispr_portal = NULL;
 689         int index;
 690
 691         DBG("service %p", service);
 692
 693         if (wispr_portal_list == NULL)
 694                 return -EINVAL;
 695
 696         index = __connman_service_get_index(service);
 697         if (index < 0)
 698                 return -EINVAL;
 699
 700         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 701                                         GINT_TO_POINTER(index));
 702         if (wispr_portal == NULL) {
 703                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 704                 if (wispr_portal == NULL)
 705                         return -ENOMEM;
 706
 707                 g_hash_table_replace(wispr_portal_list,
 708                                         GINT_TO_POINTER(index), wispr_portal);
 709         }
 710
 711         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 712                 wp_context = wispr_portal->ipv4_context;
 713         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 714                 wp_context = wispr_portal->ipv6_context;
 715         else
 716                 return -EINVAL;
 717
 718         /* If there is already an existing context, we wipe it */
 719         if (wp_context != NULL)
 720                 free_connman_wispr_portal_context(wp_context);
 721
 722         wp_context = g_try_new0(struct connman_wispr_portal_context, 1);
 723         if (wp_context == NULL)
 724                 return -ENOMEM;
 725
 726         connman_service_ref(service);
 727
 728         wp_context->service = service;
 729         wp_context->type = type;
 730
 731         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 732                 wispr_portal->ipv4_context = wp_context;
 733         else
 734                 wispr_portal->ipv6_context = wp_context;
 735
 736         return wispr_portal_detect(wp_context);
 737 }
 738
 739 void __connman_wispr_stop(struct connman_service *service)
 740 {
 741         int index;
 742
 743         DBG("service %p", service);
 744
 745         if (wispr_portal_list == NULL)
 746                 return;
 747
 748         index = __connman_service_get_index(service);
 749         if (index < 0)
 750                 return;
 751
 752         g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
 753 }
 754
 755 int __connman_wispr_init(void)
 756 {
 757         DBG("");
 758
 759         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
 760                                                 g_direct_equal, NULL,
 761                                                 free_connman_wispr_portal);
 762
 763         return 0;
 764 }
 765
 766 void __connman_wispr_cleanup(void)
 767 {
 768         DBG("");
 769
 770         g_hash_table_destroy(wispr_portal_list);
 771         wispr_portal_list = NULL;
 772 }