src/wispr.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
  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 wispr_route {
  57         char *address;
  58         int if_index;
  59 };
  60
  61 struct connman_wispr_portal_context {
  62         struct connman_service *service;
  63         enum connman_ipconfig_type type;
  64
  65         /* Portal/WISPr common */
  66         GWeb *web;
  67         unsigned int token;
  68         guint request_id;
  69
  70         const char *status_url;
  71
  72         char *redirect_url;
  73
  74         /* WISPr specific */
  75         GWebParser *wispr_parser;
  76         struct connman_wispr_message wispr_msg;
  77
  78         char *wispr_username;
  79         char *wispr_password;
  80         char *wispr_formdata;
  81
  82         enum connman_wispr_result wispr_result;
  83
  84         GSList *route_list;
  85 };
  86
  87 struct connman_wispr_portal {
  88         struct connman_wispr_portal_context *ipv4_context;
  89         struct connman_wispr_portal_context *ipv6_context;
  90 };
  91
  92 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data);
  93
  94 static GHashTable *wispr_portal_list = NULL;
  95
  96 static void connman_wispr_message_init(struct connman_wispr_message *msg)
  97 {
  98         DBG("");
  99
 100         msg->has_error = FALSE;
 101         msg->current_element = NULL;
 102
 103         msg->message_type = -1;
 104         msg->response_code = -1;
 105
 106         g_free(msg->login_url);
 107         msg->login_url = NULL;
 108
 109         g_free(msg->abort_login_url);
 110         msg->abort_login_url = NULL;
 111
 112         g_free(msg->logoff_url);
 113         msg->logoff_url = NULL;
 114
 115         g_free(msg->access_procedure);
 116         msg->access_procedure = NULL;
 117
 118         g_free(msg->access_location);
 119         msg->access_location = NULL;
 120
 121         g_free(msg->location_name);
 122         msg->location_name = NULL;
 123 }
 124
 125 static void free_wispr_routes(struct connman_wispr_portal_context *wp_context)
 126 {
 127         while (wp_context->route_list != NULL) {
 128                 struct wispr_route *route = wp_context->route_list->data;
 129
 130                 DBG("free route to %s if %d type %d", route->address,
 131                                 route->if_index, wp_context->type);
 132
 133                 switch(wp_context->type) {
 134                 case CONNMAN_IPCONFIG_TYPE_IPV4:
 135                         connman_inet_del_host_route(route->if_index,
 136                                         route->address);
 137                         break;
 138                 case CONNMAN_IPCONFIG_TYPE_IPV6:
 139                         connman_inet_del_ipv6_host_route(route->if_index,
 140                                         route->address);
 141                         break;
 142                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 143                         break;
 144                 }
 145
 146                 g_free(route->address);
 147                 g_free(route);
 148
 149                 wp_context->route_list =
 150                         g_slist_delete_link(wp_context->route_list,
 151                                         wp_context->route_list);
 152         }
 153 }
 154
 155 static void free_connman_wispr_portal_context(struct connman_wispr_portal_context *wp_context)
 156 {
 157         DBG("context %p", wp_context);
 158
 159         if (wp_context == NULL)
 160                 return;
 161
 162         connman_service_unref(wp_context->service);
 163
 164         if (wp_context->token > 0)
 165                 connman_proxy_lookup_cancel(wp_context->token);
 166
 167         if (wp_context->request_id > 0)
 168                 g_web_cancel_request(wp_context->web, wp_context->request_id);
 169
 170         g_web_unref(wp_context->web);
 171
 172         g_free(wp_context->redirect_url);
 173
 174         g_web_parser_unref(wp_context->wispr_parser);
 175         connman_wispr_message_init(&wp_context->wispr_msg);
 176
 177         g_free(wp_context->wispr_username);
 178         g_free(wp_context->wispr_password);
 179         g_free(wp_context->wispr_formdata);
 180
 181         free_wispr_routes(wp_context);
 182
 183         g_free(wp_context);
 184 }
 185
 186 static void free_connman_wispr_portal(gpointer data)
 187 {
 188         struct connman_wispr_portal *wispr_portal = data;
 189
 190         DBG("");
 191
 192         if (wispr_portal == NULL)
 193                 return;
 194
 195         free_connman_wispr_portal_context(wispr_portal->ipv4_context);
 196         free_connman_wispr_portal_context(wispr_portal->ipv6_context);
 197
 198         g_free(wispr_portal);
 199 }
 200
 201 static const char *message_type_to_string(int message_type)
 202 {
 203         switch (message_type) {
 204         case 100:
 205                 return "Initial redirect message";
 206         case 110:
 207                 return "Proxy notification";
 208         case 120:
 209                 return "Authentication notification";
 210         case 130:
 211                 return "Logoff notification";
 212         case 140:
 213                 return "Response to Authentication Poll";
 214         case 150:
 215                 return "Response to Abort Login";
 216         }
 217
 218         return NULL;
 219 }
 220
 221 static const char *response_code_to_string(int response_code)
 222 {
 223         switch (response_code) {
 224         case 0:
 225                 return "No error";
 226         case 50:
 227                 return "Login succeeded";
 228         case 100:
 229                 return "Login failed";
 230         case 102:
 231                 return "RADIUS server error/timeout";
 232         case 105:
 233                 return "RADIUS server not enabled";
 234         case 150:
 235                 return "Logoff succeeded";
 236         case 151:
 237                 return "Login aborted";
 238         case 200:
 239                 return "Proxy detection/repeat operation";
 240         case 201:
 241                 return "Authentication pending";
 242         case 255:
 243                 return "Access gateway internal error";
 244         }
 245
 246         return NULL;
 247 }
 248
 249 static struct {
 250         const char *str;
 251         enum {
 252                 WISPR_ELEMENT_NONE              = 0,
 253                 WISPR_ELEMENT_ACCESS_PROCEDURE  = 1,
 254                 WISPR_ELEMENT_ACCESS_LOCATION   = 2,
 255                 WISPR_ELEMENT_LOCATION_NAME     = 3,
 256                 WISPR_ELEMENT_LOGIN_URL         = 4,
 257                 WISPR_ELEMENT_ABORT_LOGIN_URL   = 5,
 258                 WISPR_ELEMENT_MESSAGE_TYPE      = 6,
 259                 WISPR_ELEMENT_RESPONSE_CODE     = 7,
 260                 WISPR_ELEMENT_NEXT_URL          = 8,
 261                 WISPR_ELEMENT_DELAY             = 9,
 262                 WISPR_ELEMENT_REPLY_MESSAGE     = 10,
 263                 WISPR_ELEMENT_LOGIN_RESULTS_URL = 11,
 264                 WISPR_ELEMENT_LOGOFF_URL        = 12,
 265         } element;
 266 } wispr_element_map[] = {
 267         { "AccessProcedure",    WISPR_ELEMENT_ACCESS_PROCEDURE  },
 268         { "AccessLocation",     WISPR_ELEMENT_ACCESS_LOCATION   },
 269         { "LocationName",       WISPR_ELEMENT_LOCATION_NAME     },
 270         { "LoginURL",           WISPR_ELEMENT_LOGIN_URL         },
 271         { "AbortLoginURL",      WISPR_ELEMENT_ABORT_LOGIN_URL   },
 272         { "MessageType",        WISPR_ELEMENT_MESSAGE_TYPE      },
 273         { "ResponseCode",       WISPR_ELEMENT_RESPONSE_CODE     },
 274         { "NextURL",            WISPR_ELEMENT_NEXT_URL          },
 275         { "Delay",              WISPR_ELEMENT_DELAY             },
 276         { "ReplyMessage",       WISPR_ELEMENT_REPLY_MESSAGE     },
 277         { "LoginResultsURL",    WISPR_ELEMENT_LOGIN_RESULTS_URL },
 278         { "LogoffURL",          WISPR_ELEMENT_LOGOFF_URL        },
 279         { NULL,                 WISPR_ELEMENT_NONE              },
 280 };
 281
 282 static void xml_wispr_start_element_handler(GMarkupParseContext *context,
 283                                         const gchar *element_name,
 284                                         const gchar **attribute_names,
 285                                         const gchar **attribute_values,
 286                                         gpointer user_data, GError **error)
 287 {
 288         struct connman_wispr_message *msg = user_data;
 289
 290         msg->current_element = element_name;
 291 }
 292
 293 static void xml_wispr_end_element_handler(GMarkupParseContext *context,
 294                                         const gchar *element_name,
 295                                         gpointer user_data, GError **error)
 296 {
 297         struct connman_wispr_message *msg = user_data;
 298
 299         msg->current_element = NULL;
 300 }
 301
 302 static void xml_wispr_text_handler(GMarkupParseContext *context,
 303                                         const gchar *text, gsize text_len,
 304                                         gpointer user_data, GError **error)
 305 {
 306         struct connman_wispr_message *msg = user_data;
 307         int i;
 308
 309         if (msg->current_element == NULL)
 310                 return;
 311
 312         for (i = 0; wispr_element_map[i].str; i++) {
 313                 if (g_str_equal(wispr_element_map[i].str,
 314                                         msg->current_element) == FALSE)
 315                         continue;
 316
 317                 switch (wispr_element_map[i].element) {
 318                 case WISPR_ELEMENT_NONE:
 319                 case WISPR_ELEMENT_ACCESS_PROCEDURE:
 320                         g_free(msg->access_procedure);
 321                         msg->access_procedure = g_strdup(text);
 322                         break;
 323                 case WISPR_ELEMENT_ACCESS_LOCATION:
 324                         g_free(msg->access_location);
 325                         msg->access_location = g_strdup(text);
 326                         break;
 327                 case WISPR_ELEMENT_LOCATION_NAME:
 328                         g_free(msg->location_name);
 329                         msg->location_name = g_strdup(text);
 330                         break;
 331                 case WISPR_ELEMENT_LOGIN_URL:
 332                         g_free(msg->login_url);
 333                         msg->login_url = g_strdup(text);
 334                         break;
 335                 case WISPR_ELEMENT_ABORT_LOGIN_URL:
 336                         g_free(msg->abort_login_url);
 337                         msg->abort_login_url = g_strdup(text);
 338                         break;
 339                 case WISPR_ELEMENT_MESSAGE_TYPE:
 340                         msg->message_type = atoi(text);
 341                         break;
 342                 case WISPR_ELEMENT_RESPONSE_CODE:
 343                         msg->response_code = atoi(text);
 344                         break;
 345                 case WISPR_ELEMENT_NEXT_URL:
 346                 case WISPR_ELEMENT_DELAY:
 347                 case WISPR_ELEMENT_REPLY_MESSAGE:
 348                 case WISPR_ELEMENT_LOGIN_RESULTS_URL:
 349                         break;
 350                 case WISPR_ELEMENT_LOGOFF_URL:
 351                         g_free(msg->logoff_url);
 352                         msg->logoff_url = g_strdup(text);
 353                         break;
 354                 }
 355         }
 356 }
 357
 358 static void xml_wispr_error_handler(GMarkupParseContext *context,
 359                                         GError *error, gpointer user_data)
 360 {
 361         struct connman_wispr_message *msg = user_data;
 362
 363         msg->has_error = TRUE;
 364 }
 365
 366 static const GMarkupParser xml_wispr_parser_handlers = {
 367         xml_wispr_start_element_handler,
 368         xml_wispr_end_element_handler,
 369         xml_wispr_text_handler,
 370         NULL,
 371         xml_wispr_error_handler,
 372 };
 373
 374 static void xml_wispr_parser_callback(const char *str, gpointer user_data)
 375 {
 376         struct connman_wispr_portal_context *wp_context = user_data;
 377         GMarkupParseContext *parser_context = NULL;
 378         gboolean result;
 379
 380         DBG("");
 381
 382         parser_context = g_markup_parse_context_new(&xml_wispr_parser_handlers,
 383                                         G_MARKUP_TREAT_CDATA_AS_TEXT,
 384                                         &(wp_context->wispr_msg), NULL);
 385
 386         result = g_markup_parse_context_parse(parser_context,
 387                                         str, strlen(str), NULL);
 388         if (result == TRUE)
 389                 result = g_markup_parse_context_end_parse(parser_context, NULL);
 390
 391         g_markup_parse_context_free(parser_context);
 392 }
 393
 394 static void web_debug(const char *str, void *data)
 395 {
 396         connman_info("%s: %s\n", (const char *) data, str);
 397 }
 398
 399 static void wispr_portal_error(struct connman_wispr_portal_context *wp_context)
 400 {
 401         DBG("Failed to proceed wispr/portal web request");
 402
 403         wp_context->wispr_result = CONNMAN_WISPR_RESULT_FAILED;
 404 }
 405
 406 static void portal_manage_status(GWebResult *result,
 407                         struct connman_wispr_portal_context *wp_context)
 408 {
 409         const char *str = NULL;
 410
 411         DBG("");
 412
 413         /* We currently don't do anything with this info */
 414         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 415                                 &str) == TRUE)
 416                 connman_info("Client-IP: %s", str);
 417
 418         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 419                                 &str) == TRUE)
 420                 connman_info("Client-Country: %s", str);
 421
 422         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 423                                 &str) == TRUE)
 424                 connman_info("Client-Region: %s", str);
 425
 426         __connman_service_ipconfig_indicate_state(wp_context->service,
 427                                                 CONNMAN_SERVICE_STATE_ONLINE,
 428                                                 wp_context->type);
 429 }
 430
 431 static gboolean wispr_route_request(const char *address, int ai_family,
 432                 int if_index, gpointer user_data)
 433 {
 434         int result = -1;
 435         struct connman_wispr_portal_context *wp_context = user_data;
 436         const char *gateway;
 437         struct wispr_route *route;
 438
 439         gateway = __connman_ipconfig_get_gateway_from_index(if_index,
 440                 wp_context->type);
 441
 442         DBG("address %s if %d gw %s", address, if_index, gateway);
 443
 444         if (gateway == NULL)
 445                 return FALSE;
 446
 447         route = g_try_new0(struct wispr_route, 1);
 448         if (route == 0) {
 449                 DBG("could not create struct");
 450                 return FALSE;
 451         }
 452
 453         switch(wp_context->type) {
 454         case CONNMAN_IPCONFIG_TYPE_IPV4:
 455                 result = connman_inet_add_host_route(if_index, address,
 456                                 gateway);
 457                 break;
 458         case CONNMAN_IPCONFIG_TYPE_IPV6:
 459                 result = connman_inet_add_ipv6_host_route(if_index, address,
 460                                 gateway);
 461                 break;
 462         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 463                 break;
 464         }
 465
 466         if (result < 0) {
 467                 g_free(route);
 468                 return FALSE;
 469         }
 470
 471         route->address = g_strdup(address);
 472         route->if_index = if_index;
 473         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 474
 475         return TRUE;
 476 }
 477
 478 static void wispr_portal_request_portal(struct connman_wispr_portal_context *wp_context)
 479 {
 480         DBG("");
 481
 482         wp_context->request_id = g_web_request_get(wp_context->web,
 483                                         wp_context->status_url,
 484                                         wispr_portal_web_result,
 485                                         wispr_route_request,
 486                                         wp_context);
 487
 488         if (wp_context->request_id == 0)
 489                 wispr_portal_error(wp_context);
 490 }
 491
 492 static gboolean wispr_input(const guint8 **data, gsize *length,
 493                                                 gpointer user_data)
 494 {
 495         struct connman_wispr_portal_context *wp_context = user_data;
 496         GString *buf;
 497         gsize count;
 498
 499         DBG("");
 500
 501         buf = g_string_sized_new(100);
 502
 503         g_string_append(buf, "button=Login&UserName=");
 504         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 505                                                                 NULL, FALSE);
 506         g_string_append(buf, "&Password=");
 507         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 508                                                                 NULL, FALSE);
 509         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 510         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 511
 512         count = buf->len;
 513
 514         g_free(wp_context->wispr_formdata);
 515         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 516
 517         *data = (guint8 *) wp_context->wispr_formdata;
 518         *length = count;
 519
 520         return FALSE;
 521 }
 522
 523 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 524                                         connman_bool_t authentication_done,
 525                                         const char *error, void *user_data)
 526 {
 527         struct connman_wispr_portal_context *wp_context = user_data;
 528
 529         DBG("");
 530
 531         if (service == NULL || wp_context == NULL)
 532                 return;
 533
 534         if (authentication_done == FALSE) {
 535                 wispr_portal_error(wp_context);
 536                 free_wispr_routes(wp_context);
 537                 return;
 538         }
 539
 540         /* Restarting the test */
 541         __connman_wispr_start(service, wp_context->type);
 542 }
 543
 544 static void wispr_portal_request_wispr_login(struct connman_service *service,
 545                                 connman_bool_t success,
 546                                 const char *ssid, int ssid_len,
 547                                 const char *username, const char *password,
 548                                 gboolean wps, const char *wpspin,
 549                                 const char *error, void *user_data)
 550 {
 551         struct connman_wispr_portal_context *wp_context = user_data;
 552
 553         DBG("");
 554
 555         if (error != NULL && g_strcmp0(error,
 556                         "net.connman.Agent.Error.LaunchBrowser") == 0) {
 557                 __connman_agent_request_browser(service,
 558                                 wispr_portal_browser_reply_cb,
 559                                 wp_context->redirect_url, wp_context);
 560                 return;
 561         }
 562
 563         g_free(wp_context->wispr_username);
 564         wp_context->wispr_username = g_strdup(username);
 565
 566         g_free(wp_context->wispr_password);
 567         wp_context->wispr_password = g_strdup(password);
 568
 569         wp_context->request_id = g_web_request_post(wp_context->web,
 570                                         wp_context->wispr_msg.login_url,
 571                                         "application/x-www-form-urlencoded",
 572                                         wispr_input, wispr_portal_web_result,
 573                                         wp_context);
 574
 575         connman_wispr_message_init(&wp_context->wispr_msg);
 576 }
 577
 578 static gboolean wispr_manage_message(GWebResult *result,
 579                         struct connman_wispr_portal_context *wp_context)
 580 {
 581         DBG("Message type: %s (%d)",
 582                 message_type_to_string(wp_context->wispr_msg.message_type),
 583                                         wp_context->wispr_msg.message_type);
 584         DBG("Response code: %s (%d)",
 585                 response_code_to_string(wp_context->wispr_msg.response_code),
 586                                         wp_context->wispr_msg.response_code);
 587
 588         if (wp_context->wispr_msg.access_procedure != NULL)
 589                 DBG("Access procedure: %s",
 590                         wp_context->wispr_msg.access_procedure);
 591         if (wp_context->wispr_msg.access_location != NULL)
 592                 DBG("Access location: %s",
 593                         wp_context->wispr_msg.access_location);
 594         if (wp_context->wispr_msg.location_name != NULL)
 595                 DBG("Location name: %s",
 596                         wp_context->wispr_msg.location_name);
 597         if (wp_context->wispr_msg.login_url != NULL)
 598                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 599         if (wp_context->wispr_msg.abort_login_url != NULL)
 600                 DBG("Abort login URL: %s",
 601                         wp_context->wispr_msg.abort_login_url);
 602         if (wp_context->wispr_msg.logoff_url != NULL)
 603                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 604
 605         switch (wp_context->wispr_msg.message_type) {
 606         case 100:
 607                 DBG("Login required");
 608
 609                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 610
 611                 if (__connman_agent_request_login_input(wp_context->service,
 612                                         wispr_portal_request_wispr_login,
 613                                         wp_context) != -EIO)
 614                         wispr_portal_error(wp_context);
 615
 616                 break;
 617         case 120: /* Falling down */
 618         case 140:
 619                 if (wp_context->wispr_msg.response_code == 50) {
 620                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 621
 622                         g_free(wp_context->wispr_username);
 623                         wp_context->wispr_username = NULL;
 624
 625                         g_free(wp_context->wispr_password);
 626                         wp_context->wispr_password = NULL;
 627
 628                         g_free(wp_context->wispr_formdata);
 629                         wp_context->wispr_formdata = NULL;
 630
 631                         wispr_portal_request_portal(wp_context);
 632
 633                         return TRUE;
 634                 } else
 635                         wispr_portal_error(wp_context);
 636
 637                 break;
 638         default:
 639                 break;
 640         }
 641
 642         return FALSE;
 643 }
 644
 645 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data)
 646 {
 647         struct connman_wispr_portal_context *wp_context = user_data;
 648         const char *redirect = NULL;
 649         const guint8 *chunk = NULL;
 650         const char *str = NULL;
 651         guint16 status;
 652         gsize length;
 653
 654         DBG("");
 655
 656         if (wp_context->request_id == 0)
 657                 return FALSE;
 658
 659         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 660                 g_web_result_get_chunk(result, &chunk, &length);
 661
 662                 if (length > 0) {
 663                         g_web_parser_feed_data(wp_context->wispr_parser,
 664                                                                 chunk, length);
 665                         return TRUE;
 666                 }
 667
 668                 g_web_parser_end_data(wp_context->wispr_parser);
 669
 670                 if (wp_context->wispr_msg.message_type >= 0) {
 671                         if (wispr_manage_message(result, wp_context) == TRUE)
 672                                 goto done;
 673                 }
 674         }
 675
 676         status = g_web_result_get_status(result);
 677
 678         DBG("status: %03u", status);
 679
 680         switch (status) {
 681         case 200:
 682                 if (wp_context->wispr_msg.message_type >= 0)
 683                         break;
 684
 685                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 686                                                                 &str) == TRUE)
 687                         portal_manage_status(result, wp_context);
 688                 else
 689                         __connman_agent_request_browser(wp_context->service,
 690                                         wispr_portal_browser_reply_cb,
 691                                         wp_context->redirect_url, wp_context);
 692
 693                 break;
 694         case 302:
 695                 if (g_web_result_get_header(result, "Location",
 696                                                 &redirect) == FALSE) {
 697                         __connman_agent_request_browser(wp_context->service,
 698                                         wispr_portal_browser_reply_cb,
 699                                         wp_context->status_url, wp_context);
 700                         break;
 701                 }
 702
 703                 DBG("Redirect URL: %s", redirect);
 704
 705                 wp_context->redirect_url = g_strdup(redirect);
 706
 707                 wp_context->request_id = g_web_request_get(wp_context->web,
 708                                 redirect, wispr_portal_web_result,
 709                                 wispr_route_request, wp_context);
 710
 711                 goto done;
 712         case 404:
 713                 if (__connman_service_online_check_failed(wp_context->service,
 714                                                         wp_context->type) == 0)
 715                         wispr_portal_error(wp_context);
 716
 717                 break;
 718         default:
 719                 break;
 720         }
 721
 722         free_wispr_routes(wp_context);
 723         wp_context->request_id = 0;
 724 done:
 725         wp_context->wispr_msg.message_type = -1;
 726         return FALSE;
 727 }
 728
 729 static void proxy_callback(const char *proxy, void *user_data)
 730 {
 731         struct connman_wispr_portal_context *wp_context = user_data;
 732
 733         DBG("proxy %s", proxy);
 734
 735         wp_context->token = 0;
 736
 737         if (proxy != NULL && g_strcmp0(proxy, "DIRECT") != 0)
 738                 g_web_set_proxy(wp_context->web, proxy);
 739
 740         g_web_set_accept(wp_context->web, NULL);
 741         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 742         g_web_set_close_connection(wp_context->web, TRUE);
 743
 744         connman_wispr_message_init(&wp_context->wispr_msg);
 745
 746         wp_context->wispr_parser = g_web_parser_new(
 747                                         "<WISPAccessGatewayParam",
 748                                         "WISPAccessGatewayParam>",
 749                                         xml_wispr_parser_callback, wp_context);
 750
 751         wispr_portal_request_portal(wp_context);
 752 }
 753
 754 static gboolean no_proxy_callback(gpointer user_data)
 755 {
 756         struct connman_wispr_portal_context *wp_context = user_data;
 757
 758         proxy_callback("DIRECT", wp_context);
 759
 760         return FALSE;
 761 }
 762
 763 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 764 {
 765         enum connman_service_proxy_method proxy_method;
 766         enum connman_service_type service_type;
 767         char *interface = NULL;
 768         char **nameservers = NULL;
 769         int if_index;
 770         int err = 0;
 771         int i;
 772
 773         DBG("wispr/portal context %p", wp_context);
 774         DBG("service %p", wp_context->service);
 775
 776         service_type = connman_service_get_type(wp_context->service);
 777
 778         switch (service_type) {
 779         case CONNMAN_SERVICE_TYPE_ETHERNET:
 780         case CONNMAN_SERVICE_TYPE_WIFI:
 781         case CONNMAN_SERVICE_TYPE_WIMAX:
 782         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 783         case CONNMAN_SERVICE_TYPE_CELLULAR:
 784                 break;
 785         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 786         case CONNMAN_SERVICE_TYPE_SYSTEM:
 787         case CONNMAN_SERVICE_TYPE_GPS:
 788         case CONNMAN_SERVICE_TYPE_VPN:
 789         case CONNMAN_SERVICE_TYPE_GADGET:
 790                 return -EOPNOTSUPP;
 791         }
 792
 793         interface = connman_service_get_interface(wp_context->service);
 794         if (interface == NULL)
 795                 return -EINVAL;
 796
 797         DBG("interface %s", interface);
 798
 799         if_index = connman_inet_ifindex(interface);
 800         if (if_index < 0) {
 801                 DBG("Could not get ifindex");
 802                 err = -EINVAL;
 803                 goto done;
 804         }
 805
 806         nameservers = connman_service_get_nameservers(wp_context->service);
 807         if (nameservers == NULL) {
 808                 DBG("Could not get nameservers");
 809                 err = -EINVAL;
 810                 goto done;
 811         }
 812
 813         wp_context->web = g_web_new(if_index);
 814         if (wp_context->web == NULL) {
 815                 DBG("Could not set up GWeb");
 816                 err = -ENOMEM;
 817                 goto done;
 818         }
 819
 820         if (getenv("CONNMAN_WEB_DEBUG"))
 821                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 822
 823         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 824                 g_web_set_address_family(wp_context->web, AF_INET);
 825                 wp_context->status_url = STATUS_URL_IPV4;
 826         } else {
 827                 g_web_set_address_family(wp_context->web, AF_INET6);
 828                 wp_context->status_url = STATUS_URL_IPV6;
 829         }
 830
 831         for (i = 0; nameservers[i] != NULL; i++)
 832                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 833
 834         proxy_method = connman_service_get_proxy_method(wp_context->service);
 835
 836         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 837                 wp_context->token = connman_proxy_lookup(interface,
 838                                                 wp_context->status_url,
 839                                                 wp_context->service,
 840                                                 proxy_callback, wp_context);
 841
 842                 if (wp_context->token == 0)
 843                         err = -EINVAL;
 844         } else {
 845                 g_timeout_add_seconds(0, no_proxy_callback, wp_context);
 846         }
 847
 848 done:
 849         g_strfreev(nameservers);
 850
 851         g_free(interface);
 852         return err;
 853 }
 854
 855 int __connman_wispr_start(struct connman_service *service,
 856                                         enum connman_ipconfig_type type)
 857 {
 858         struct connman_wispr_portal_context *wp_context = NULL;
 859         struct connman_wispr_portal *wispr_portal = NULL;
 860         int index;
 861
 862         DBG("service %p", service);
 863
 864         if (wispr_portal_list == NULL)
 865                 return -EINVAL;
 866
 867         index = __connman_service_get_index(service);
 868         if (index < 0)
 869                 return -EINVAL;
 870
 871         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 872                                         GINT_TO_POINTER(index));
 873         if (wispr_portal == NULL) {
 874                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 875                 if (wispr_portal == NULL)
 876                         return -ENOMEM;
 877
 878                 g_hash_table_replace(wispr_portal_list,
 879                                         GINT_TO_POINTER(index), wispr_portal);
 880         }
 881
 882         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 883                 wp_context = wispr_portal->ipv4_context;
 884         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 885                 wp_context = wispr_portal->ipv6_context;
 886         else
 887                 return -EINVAL;
 888
 889         /* If there is already an existing context, we wipe it */
 890         if (wp_context != NULL)
 891                 free_connman_wispr_portal_context(wp_context);
 892
 893         wp_context = g_try_new0(struct connman_wispr_portal_context, 1);
 894         if (wp_context == NULL)
 895                 return -ENOMEM;
 896
 897         connman_service_ref(service);
 898
 899         wp_context->service = service;
 900         wp_context->type = type;
 901
 902         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 903                 wispr_portal->ipv4_context = wp_context;
 904         else
 905                 wispr_portal->ipv6_context = wp_context;
 906
 907         return wispr_portal_detect(wp_context);
 908 }
 909
 910 void __connman_wispr_stop(struct connman_service *service)
 911 {
 912         int index;
 913
 914         DBG("service %p", service);
 915
 916         if (wispr_portal_list == NULL)
 917                 return;
 918
 919         index = __connman_service_get_index(service);
 920         if (index < 0)
 921                 return;
 922
 923         g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
 924 }
 925
 926 int __connman_wispr_init(void)
 927 {
 928         DBG("");
 929
 930         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
 931                                                 g_direct_equal, NULL,
 932                                                 free_connman_wispr_portal);
 933
 934         return 0;
 935 }
 936
 937 void __connman_wispr_cleanup(void)
 938 {
 939         DBG("");
 940
 941         g_hash_table_destroy(wispr_portal_list);
 942         wispr_portal_list = NULL;
 943 }