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