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 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                 return FALSE;
 468
 469         route->address = strdup(address);
 470         route->if_index = if_index;
 471         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 472
 473         return TRUE;
 474 }
 475
 476 static void wispr_portal_request_portal(struct connman_wispr_portal_context *wp_context)
 477 {
 478         DBG("");
 479
 480         wp_context->request_id = g_web_request_get(wp_context->web,
 481                                         wp_context->status_url,
 482                                         wispr_portal_web_result,
 483                                         wispr_route_request,
 484                                         wp_context);
 485
 486         if (wp_context->request_id == 0)
 487                 wispr_portal_error(wp_context);
 488 }
 489
 490 static gboolean wispr_input(const guint8 **data, gsize *length,
 491                                                 gpointer user_data)
 492 {
 493         struct connman_wispr_portal_context *wp_context = user_data;
 494         GString *buf;
 495         gsize count;
 496
 497         DBG("");
 498
 499         buf = g_string_sized_new(100);
 500
 501         g_string_append(buf, "button=Login&UserName=");
 502         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 503                                                                 NULL, FALSE);
 504         g_string_append(buf, "&Password=");
 505         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 506                                                                 NULL, FALSE);
 507         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 508         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 509
 510         count = buf->len;
 511
 512         g_free(wp_context->wispr_formdata);
 513         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 514
 515         *data = (guint8 *) wp_context->wispr_formdata;
 516         *length = count;
 517
 518         return FALSE;
 519 }
 520
 521 static void wispr_portal_request_wispr_login(struct connman_service *service,
 522                                 connman_bool_t success,
 523                                 const char *ssid, int ssid_len,
 524                                 const char *username, const char *password,
 525                                 gboolean wps, const char *wpspin,
 526                                 void *user_data)
 527 {
 528         struct connman_wispr_portal_context *wp_context = user_data;
 529
 530         DBG("");
 531
 532         g_free(wp_context->wispr_username);
 533         wp_context->wispr_username = g_strdup(username);
 534
 535         g_free(wp_context->wispr_password);
 536         wp_context->wispr_password = g_strdup(password);
 537
 538         wp_context->request_id = g_web_request_post(wp_context->web,
 539                                         wp_context->wispr_msg.login_url,
 540                                         "application/x-www-form-urlencoded",
 541                                         wispr_input, wispr_portal_web_result,
 542                                         wp_context);
 543
 544         connman_wispr_message_init(&wp_context->wispr_msg);
 545 }
 546
 547 static gboolean wispr_manage_message(GWebResult *result,
 548                         struct connman_wispr_portal_context *wp_context)
 549 {
 550         DBG("Message type: %s (%d)",
 551                 message_type_to_string(wp_context->wispr_msg.message_type),
 552                                         wp_context->wispr_msg.message_type);
 553         DBG("Response code: %s (%d)",
 554                 response_code_to_string(wp_context->wispr_msg.response_code),
 555                                         wp_context->wispr_msg.response_code);
 556
 557         if (wp_context->wispr_msg.access_procedure != NULL)
 558                 DBG("Access procedure: %s",
 559                         wp_context->wispr_msg.access_procedure);
 560         if (wp_context->wispr_msg.access_location != NULL)
 561                 DBG("Access location: %s",
 562                         wp_context->wispr_msg.access_location);
 563         if (wp_context->wispr_msg.location_name != NULL)
 564                 DBG("Location name: %s",
 565                         wp_context->wispr_msg.location_name);
 566         if (wp_context->wispr_msg.login_url != NULL)
 567                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 568         if (wp_context->wispr_msg.abort_login_url != NULL)
 569                 DBG("Abort login URL: %s",
 570                         wp_context->wispr_msg.abort_login_url);
 571         if (wp_context->wispr_msg.logoff_url != NULL)
 572                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 573
 574         switch (wp_context->wispr_msg.message_type) {
 575         case 100:
 576                 DBG("Login required");
 577
 578                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 579
 580                 if (__connman_agent_request_login_input(wp_context->service,
 581                                         wispr_portal_request_wispr_login,
 582                                         wp_context) != -EIO)
 583                         wispr_portal_error(wp_context);
 584
 585                 break;
 586         case 120: /* Falling down */
 587         case 140:
 588                 if (wp_context->wispr_msg.response_code == 50) {
 589                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 590
 591                         g_free(wp_context->wispr_username);
 592                         wp_context->wispr_username = NULL;
 593
 594                         g_free(wp_context->wispr_password);
 595                         wp_context->wispr_password = NULL;
 596
 597                         g_free(wp_context->wispr_formdata);
 598                         wp_context->wispr_formdata = NULL;
 599
 600                         wispr_portal_request_portal(wp_context);
 601
 602                         return TRUE;
 603                 } else
 604                         wispr_portal_error(wp_context);
 605
 606                 break;
 607         default:
 608                 break;
 609         }
 610
 611         return FALSE;
 612 }
 613
 614 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 615                                         connman_bool_t authentication_done,
 616                                         void *user_data)
 617 {
 618         struct connman_wispr_portal_context *wp_context = user_data;
 619
 620         DBG("");
 621
 622         if (service == NULL || wp_context == NULL)
 623                 return;
 624
 625         if (authentication_done == FALSE) {
 626                 wispr_portal_error(wp_context);
 627                 free_wispr_routes(wp_context);
 628                 return;
 629         }
 630
 631         /* Restarting the test */
 632         __connman_wispr_start(service, wp_context->type);
 633 }
 634
 635 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data)
 636 {
 637         struct connman_wispr_portal_context *wp_context = user_data;
 638         const char *redirect = NULL;
 639         const guint8 *chunk = NULL;
 640         const char *str = NULL;
 641         guint16 status;
 642         gsize length;
 643
 644         DBG("");
 645
 646         if (wp_context->request_id == 0)
 647                 return FALSE;
 648
 649         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 650                 g_web_result_get_chunk(result, &chunk, &length);
 651
 652                 if (length > 0) {
 653                         g_web_parser_feed_data(wp_context->wispr_parser,
 654                                                                 chunk, length);
 655                         return TRUE;
 656                 }
 657
 658                 g_web_parser_end_data(wp_context->wispr_parser);
 659
 660                 if (wp_context->wispr_msg.message_type >= 0) {
 661                         if (wispr_manage_message(result, wp_context) == TRUE)
 662                                 goto done;
 663                 }
 664         }
 665
 666         status = g_web_result_get_status(result);
 667
 668         DBG("status: %03u", status);
 669
 670         switch (status) {
 671         case 200:
 672                 if (wp_context->wispr_msg.message_type >= 0)
 673                         break;
 674
 675                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 676                                                                 &str) == TRUE)
 677                         portal_manage_status(result, wp_context);
 678                 else
 679                         __connman_agent_request_browser(wp_context->service,
 680                                         wispr_portal_browser_reply_cb,
 681                                         wp_context->redirect_url, wp_context);
 682
 683                 break;
 684         case 302:
 685                 if (g_web_result_get_header(result, "Location",
 686                                                 &redirect) == FALSE) {
 687                         __connman_agent_request_browser(wp_context->service,
 688                                         wispr_portal_browser_reply_cb,
 689                                         wp_context->status_url, wp_context);
 690                         break;
 691                 }
 692
 693                 DBG("Redirect URL: %s", redirect);
 694
 695                 wp_context->redirect_url = g_strdup(redirect);
 696
 697                 wp_context->request_id = g_web_request_get(wp_context->web,
 698                                 redirect, wispr_portal_web_result,
 699                                 wispr_route_request, wp_context);
 700
 701                 goto done;
 702         case 404:
 703                 if (__connman_service_online_check_failed(wp_context->service,
 704                                                         wp_context->type) == 0)
 705                         wispr_portal_error(wp_context);
 706
 707                 break;
 708         default:
 709                 break;
 710         }
 711
 712         free_wispr_routes(wp_context);
 713         wp_context->request_id = 0;
 714 done:
 715         wp_context->wispr_msg.message_type = -1;
 716         return FALSE;
 717 }
 718
 719 static void proxy_callback(const char *proxy, void *user_data)
 720 {
 721         struct connman_wispr_portal_context *wp_context = user_data;
 722
 723         DBG("proxy %s", proxy);
 724
 725         wp_context->token = 0;
 726
 727         if (getenv("CONNMAN_WEB_DEBUG"))
 728                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 729
 730         if (proxy != NULL && g_strcmp0(proxy, "DIRECT") != 0)
 731                 g_web_set_proxy(wp_context->web, proxy);
 732
 733         g_web_set_accept(wp_context->web, NULL);
 734         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 735         g_web_set_close_connection(wp_context->web, TRUE);
 736
 737         connman_wispr_message_init(&wp_context->wispr_msg);
 738
 739         wp_context->wispr_parser = g_web_parser_new(
 740                                         "<WISPAccessGatewayParam",
 741                                         "WISPAccessGatewayParam>",
 742                                         xml_wispr_parser_callback, wp_context);
 743
 744         wispr_portal_request_portal(wp_context);
 745 }
 746
 747 static gboolean no_proxy_callback(gpointer user_data)
 748 {
 749         struct connman_wispr_portal_context *wp_context = user_data;
 750
 751         proxy_callback("DIRECT", wp_context);
 752
 753         return FALSE;
 754 }
 755
 756 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 757 {
 758         enum connman_service_proxy_method proxy_method;
 759         enum connman_service_type service_type;
 760         char *interface = NULL;
 761         char **nameservers = NULL;
 762         int if_index;
 763         int err = 0;
 764         int i;
 765
 766         DBG("wispr/portal context %p", wp_context);
 767         DBG("service %p", wp_context->service);
 768
 769         service_type = connman_service_get_type(wp_context->service);
 770
 771         switch (service_type) {
 772         case CONNMAN_SERVICE_TYPE_ETHERNET:
 773         case CONNMAN_SERVICE_TYPE_WIFI:
 774         case CONNMAN_SERVICE_TYPE_WIMAX:
 775         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 776         case CONNMAN_SERVICE_TYPE_CELLULAR:
 777                 break;
 778         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 779         case CONNMAN_SERVICE_TYPE_SYSTEM:
 780         case CONNMAN_SERVICE_TYPE_GPS:
 781         case CONNMAN_SERVICE_TYPE_VPN:
 782         case CONNMAN_SERVICE_TYPE_GADGET:
 783                 return -EOPNOTSUPP;
 784         }
 785
 786         interface = connman_service_get_interface(wp_context->service);
 787         if (interface == NULL)
 788                 return -EINVAL;
 789
 790         DBG("interface %s", interface);
 791
 792         if_index = connman_inet_ifindex(interface);
 793         if (if_index < 0) {
 794                 err = -EINVAL;
 795                 goto done;
 796         }
 797
 798         nameservers = connman_service_get_nameservers(wp_context->service);
 799         if (nameservers == NULL) {
 800                 err = -EINVAL;
 801                 goto done;
 802         }
 803
 804         wp_context->web = g_web_new(if_index);
 805         if (wp_context->web == NULL) {
 806                 err = -ENOMEM;
 807                 goto done;
 808         }
 809
 810         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 811                 g_web_set_address_family(wp_context->web, AF_INET);
 812                 wp_context->status_url = STATUS_URL_IPV4;
 813         } else {
 814                 g_web_set_address_family(wp_context->web, AF_INET6);
 815                 wp_context->status_url = STATUS_URL_IPV6;
 816         }
 817
 818         for (i = 0; nameservers[i] != NULL; i++)
 819                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 820
 821         proxy_method = connman_service_get_proxy_method(wp_context->service);
 822
 823         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 824                 wp_context->token = connman_proxy_lookup(interface,
 825                                                 wp_context->status_url,
 826                                                 wp_context->service,
 827                                                 proxy_callback, wp_context);
 828
 829                 if (wp_context->token == 0)
 830                         err = -EINVAL;
 831         } else {
 832                 g_timeout_add_seconds(0, no_proxy_callback, wp_context);
 833         }
 834
 835 done:
 836         g_strfreev(nameservers);
 837
 838         g_free(interface);
 839         return err;
 840 }
 841
 842 int __connman_wispr_start(struct connman_service *service,
 843                                         enum connman_ipconfig_type type)
 844 {
 845         struct connman_wispr_portal_context *wp_context = NULL;
 846         struct connman_wispr_portal *wispr_portal = NULL;
 847         int index;
 848
 849         DBG("service %p", service);
 850
 851         if (wispr_portal_list == NULL)
 852                 return -EINVAL;
 853
 854         index = __connman_service_get_index(service);
 855         if (index < 0)
 856                 return -EINVAL;
 857
 858         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 859                                         GINT_TO_POINTER(index));
 860         if (wispr_portal == NULL) {
 861                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 862                 if (wispr_portal == NULL)
 863                         return -ENOMEM;
 864
 865                 g_hash_table_replace(wispr_portal_list,
 866                                         GINT_TO_POINTER(index), wispr_portal);
 867         }
 868
 869         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 870                 wp_context = wispr_portal->ipv4_context;
 871         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 872                 wp_context = wispr_portal->ipv6_context;
 873         else
 874                 return -EINVAL;
 875
 876         /* If there is already an existing context, we wipe it */
 877         if (wp_context != NULL)
 878                 free_connman_wispr_portal_context(wp_context);
 879
 880         wp_context = g_try_new0(struct connman_wispr_portal_context, 1);
 881         if (wp_context == NULL)
 882                 return -ENOMEM;
 883
 884         connman_service_ref(service);
 885
 886         wp_context->service = service;
 887         wp_context->type = type;
 888
 889         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 890                 wispr_portal->ipv4_context = wp_context;
 891         else
 892                 wispr_portal->ipv6_context = wp_context;
 893
 894         return wispr_portal_detect(wp_context);
 895 }
 896
 897 void __connman_wispr_stop(struct connman_service *service)
 898 {
 899         int index;
 900
 901         DBG("service %p", service);
 902
 903         if (wispr_portal_list == NULL)
 904                 return;
 905
 906         index = __connman_service_get_index(service);
 907         if (index < 0)
 908                 return;
 909
 910         g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
 911 }
 912
 913 int __connman_wispr_init(void)
 914 {
 915         DBG("");
 916
 917         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
 918                                                 g_direct_equal, NULL,
 919                                                 free_connman_wispr_portal);
 920
 921         return 0;
 922 }
 923
 924 void __connman_wispr_cleanup(void)
 925 {
 926         DBG("");
 927
 928         g_hash_table_destroy(wispr_portal_list);
 929         wispr_portal_list = NULL;
 930 }