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         struct connman_wispr_portal *wispr_portal;
  65
  66         /* Portal/WISPr common */
  67         GWeb *web;
  68         unsigned int token;
  69         guint request_id;
  70
  71         const char *status_url;
  72
  73         char *redirect_url;
  74
  75         /* WISPr specific */
  76         GWebParser *wispr_parser;
  77         struct connman_wispr_message wispr_msg;
  78
  79         char *wispr_username;
  80         char *wispr_password;
  81         char *wispr_formdata;
  82
  83         enum connman_wispr_result wispr_result;
  84
  85         GSList *route_list;
  86 };
  87
  88 struct connman_wispr_portal {
  89         struct connman_wispr_portal_context *ipv4_context;
  90         struct connman_wispr_portal_context *ipv6_context;
  91 };
  92
  93 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data);
  94
  95 static GHashTable *wispr_portal_list = NULL;
  96
  97 static void connman_wispr_message_init(struct connman_wispr_message *msg)
  98 {
  99         DBG("");
 100
 101         msg->has_error = FALSE;
 102         msg->current_element = NULL;
 103
 104         msg->message_type = -1;
 105         msg->response_code = -1;
 106
 107         g_free(msg->login_url);
 108         msg->login_url = NULL;
 109
 110         g_free(msg->abort_login_url);
 111         msg->abort_login_url = NULL;
 112
 113         g_free(msg->logoff_url);
 114         msg->logoff_url = NULL;
 115
 116         g_free(msg->access_procedure);
 117         msg->access_procedure = NULL;
 118
 119         g_free(msg->access_location);
 120         msg->access_location = NULL;
 121
 122         g_free(msg->location_name);
 123         msg->location_name = NULL;
 124 }
 125
 126 static void free_wispr_routes(struct connman_wispr_portal_context *wp_context)
 127 {
 128         while (wp_context->route_list != NULL) {
 129                 struct wispr_route *route = wp_context->route_list->data;
 130
 131                 DBG("free route to %s if %d type %d", route->address,
 132                                 route->if_index, wp_context->type);
 133
 134                 switch(wp_context->type) {
 135                 case CONNMAN_IPCONFIG_TYPE_IPV4:
 136                         connman_inet_del_host_route(route->if_index,
 137                                         route->address);
 138                         break;
 139                 case CONNMAN_IPCONFIG_TYPE_IPV6:
 140                         connman_inet_del_ipv6_host_route(route->if_index,
 141                                         route->address);
 142                         break;
 143                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 144                         break;
 145                 }
 146
 147                 g_free(route->address);
 148                 g_free(route);
 149
 150                 wp_context->route_list =
 151                         g_slist_delete_link(wp_context->route_list,
 152                                         wp_context->route_list);
 153         }
 154 }
 155
 156 static void free_connman_wispr_portal_context(struct connman_wispr_portal_context *wp_context)
 157 {
 158         DBG("context %p", wp_context);
 159
 160         if (wp_context == NULL)
 161                 return;
 162
 163         if (wp_context->wispr_portal != NULL) {
 164                 if (wp_context->wispr_portal->ipv4_context == wp_context)
 165                         wp_context->wispr_portal->ipv4_context = NULL;
 166
 167                 if (wp_context->wispr_portal->ipv6_context == wp_context)
 168                         wp_context->wispr_portal->ipv6_context = NULL;
 169         }
 170
 171         if (wp_context->service != NULL)
 172                 connman_service_unref(wp_context->service);
 173
 174         if (wp_context->token > 0)
 175                 connman_proxy_lookup_cancel(wp_context->token);
 176
 177         if (wp_context->request_id > 0)
 178                 g_web_cancel_request(wp_context->web, wp_context->request_id);
 179
 180         if (wp_context->web != NULL)
 181                 g_web_unref(wp_context->web);
 182
 183         g_free(wp_context->redirect_url);
 184
 185         if (wp_context->wispr_parser != NULL)
 186                 g_web_parser_unref(wp_context->wispr_parser);
 187
 188         connman_wispr_message_init(&wp_context->wispr_msg);
 189
 190         g_free(wp_context->wispr_username);
 191         g_free(wp_context->wispr_password);
 192         g_free(wp_context->wispr_formdata);
 193
 194         free_wispr_routes(wp_context);
 195
 196         g_free(wp_context);
 197 }
 198
 199 static struct connman_wispr_portal_context *create_wispr_portal_context(void)
 200 {
 201         return g_try_new0(struct connman_wispr_portal_context, 1);
 202 }
 203
 204 static void free_connman_wispr_portal(gpointer data)
 205 {
 206         struct connman_wispr_portal *wispr_portal = data;
 207
 208         DBG("");
 209
 210         if (wispr_portal == NULL)
 211                 return;
 212
 213         free_connman_wispr_portal_context(wispr_portal->ipv4_context);
 214         free_connman_wispr_portal_context(wispr_portal->ipv6_context);
 215
 216         g_free(wispr_portal);
 217 }
 218
 219 static const char *message_type_to_string(int message_type)
 220 {
 221         switch (message_type) {
 222         case 100:
 223                 return "Initial redirect message";
 224         case 110:
 225                 return "Proxy notification";
 226         case 120:
 227                 return "Authentication notification";
 228         case 130:
 229                 return "Logoff notification";
 230         case 140:
 231                 return "Response to Authentication Poll";
 232         case 150:
 233                 return "Response to Abort Login";
 234         }
 235
 236         return NULL;
 237 }
 238
 239 static const char *response_code_to_string(int response_code)
 240 {
 241         switch (response_code) {
 242         case 0:
 243                 return "No error";
 244         case 50:
 245                 return "Login succeeded";
 246         case 100:
 247                 return "Login failed";
 248         case 102:
 249                 return "RADIUS server error/timeout";
 250         case 105:
 251                 return "RADIUS server not enabled";
 252         case 150:
 253                 return "Logoff succeeded";
 254         case 151:
 255                 return "Login aborted";
 256         case 200:
 257                 return "Proxy detection/repeat operation";
 258         case 201:
 259                 return "Authentication pending";
 260         case 255:
 261                 return "Access gateway internal error";
 262         }
 263
 264         return NULL;
 265 }
 266
 267 static struct {
 268         const char *str;
 269         enum {
 270                 WISPR_ELEMENT_NONE              = 0,
 271                 WISPR_ELEMENT_ACCESS_PROCEDURE  = 1,
 272                 WISPR_ELEMENT_ACCESS_LOCATION   = 2,
 273                 WISPR_ELEMENT_LOCATION_NAME     = 3,
 274                 WISPR_ELEMENT_LOGIN_URL         = 4,
 275                 WISPR_ELEMENT_ABORT_LOGIN_URL   = 5,
 276                 WISPR_ELEMENT_MESSAGE_TYPE      = 6,
 277                 WISPR_ELEMENT_RESPONSE_CODE     = 7,
 278                 WISPR_ELEMENT_NEXT_URL          = 8,
 279                 WISPR_ELEMENT_DELAY             = 9,
 280                 WISPR_ELEMENT_REPLY_MESSAGE     = 10,
 281                 WISPR_ELEMENT_LOGIN_RESULTS_URL = 11,
 282                 WISPR_ELEMENT_LOGOFF_URL        = 12,
 283         } element;
 284 } wispr_element_map[] = {
 285         { "AccessProcedure",    WISPR_ELEMENT_ACCESS_PROCEDURE  },
 286         { "AccessLocation",     WISPR_ELEMENT_ACCESS_LOCATION   },
 287         { "LocationName",       WISPR_ELEMENT_LOCATION_NAME     },
 288         { "LoginURL",           WISPR_ELEMENT_LOGIN_URL         },
 289         { "AbortLoginURL",      WISPR_ELEMENT_ABORT_LOGIN_URL   },
 290         { "MessageType",        WISPR_ELEMENT_MESSAGE_TYPE      },
 291         { "ResponseCode",       WISPR_ELEMENT_RESPONSE_CODE     },
 292         { "NextURL",            WISPR_ELEMENT_NEXT_URL          },
 293         { "Delay",              WISPR_ELEMENT_DELAY             },
 294         { "ReplyMessage",       WISPR_ELEMENT_REPLY_MESSAGE     },
 295         { "LoginResultsURL",    WISPR_ELEMENT_LOGIN_RESULTS_URL },
 296         { "LogoffURL",          WISPR_ELEMENT_LOGOFF_URL        },
 297         { NULL,                 WISPR_ELEMENT_NONE              },
 298 };
 299
 300 static void xml_wispr_start_element_handler(GMarkupParseContext *context,
 301                                         const gchar *element_name,
 302                                         const gchar **attribute_names,
 303                                         const gchar **attribute_values,
 304                                         gpointer user_data, GError **error)
 305 {
 306         struct connman_wispr_message *msg = user_data;
 307
 308         msg->current_element = element_name;
 309 }
 310
 311 static void xml_wispr_end_element_handler(GMarkupParseContext *context,
 312                                         const gchar *element_name,
 313                                         gpointer user_data, GError **error)
 314 {
 315         struct connman_wispr_message *msg = user_data;
 316
 317         msg->current_element = NULL;
 318 }
 319
 320 static void xml_wispr_text_handler(GMarkupParseContext *context,
 321                                         const gchar *text, gsize text_len,
 322                                         gpointer user_data, GError **error)
 323 {
 324         struct connman_wispr_message *msg = user_data;
 325         int i;
 326
 327         if (msg->current_element == NULL)
 328                 return;
 329
 330         for (i = 0; wispr_element_map[i].str; i++) {
 331                 if (g_str_equal(wispr_element_map[i].str,
 332                                         msg->current_element) == FALSE)
 333                         continue;
 334
 335                 switch (wispr_element_map[i].element) {
 336                 case WISPR_ELEMENT_NONE:
 337                 case WISPR_ELEMENT_ACCESS_PROCEDURE:
 338                         g_free(msg->access_procedure);
 339                         msg->access_procedure = g_strdup(text);
 340                         break;
 341                 case WISPR_ELEMENT_ACCESS_LOCATION:
 342                         g_free(msg->access_location);
 343                         msg->access_location = g_strdup(text);
 344                         break;
 345                 case WISPR_ELEMENT_LOCATION_NAME:
 346                         g_free(msg->location_name);
 347                         msg->location_name = g_strdup(text);
 348                         break;
 349                 case WISPR_ELEMENT_LOGIN_URL:
 350                         g_free(msg->login_url);
 351                         msg->login_url = g_strdup(text);
 352                         break;
 353                 case WISPR_ELEMENT_ABORT_LOGIN_URL:
 354                         g_free(msg->abort_login_url);
 355                         msg->abort_login_url = g_strdup(text);
 356                         break;
 357                 case WISPR_ELEMENT_MESSAGE_TYPE:
 358                         msg->message_type = atoi(text);
 359                         break;
 360                 case WISPR_ELEMENT_RESPONSE_CODE:
 361                         msg->response_code = atoi(text);
 362                         break;
 363                 case WISPR_ELEMENT_NEXT_URL:
 364                 case WISPR_ELEMENT_DELAY:
 365                 case WISPR_ELEMENT_REPLY_MESSAGE:
 366                 case WISPR_ELEMENT_LOGIN_RESULTS_URL:
 367                         break;
 368                 case WISPR_ELEMENT_LOGOFF_URL:
 369                         g_free(msg->logoff_url);
 370                         msg->logoff_url = g_strdup(text);
 371                         break;
 372                 }
 373         }
 374 }
 375
 376 static void xml_wispr_error_handler(GMarkupParseContext *context,
 377                                         GError *error, gpointer user_data)
 378 {
 379         struct connman_wispr_message *msg = user_data;
 380
 381         msg->has_error = TRUE;
 382 }
 383
 384 static const GMarkupParser xml_wispr_parser_handlers = {
 385         xml_wispr_start_element_handler,
 386         xml_wispr_end_element_handler,
 387         xml_wispr_text_handler,
 388         NULL,
 389         xml_wispr_error_handler,
 390 };
 391
 392 static void xml_wispr_parser_callback(const char *str, gpointer user_data)
 393 {
 394         struct connman_wispr_portal_context *wp_context = user_data;
 395         GMarkupParseContext *parser_context = NULL;
 396         gboolean result;
 397
 398         DBG("");
 399
 400         parser_context = g_markup_parse_context_new(&xml_wispr_parser_handlers,
 401                                         G_MARKUP_TREAT_CDATA_AS_TEXT,
 402                                         &(wp_context->wispr_msg), NULL);
 403
 404         result = g_markup_parse_context_parse(parser_context,
 405                                         str, strlen(str), NULL);
 406         if (result == TRUE)
 407                 g_markup_parse_context_end_parse(parser_context, NULL);
 408
 409         g_markup_parse_context_free(parser_context);
 410 }
 411
 412 static void web_debug(const char *str, void *data)
 413 {
 414         connman_info("%s: %s\n", (const char *) data, str);
 415 }
 416
 417 static void wispr_portal_error(struct connman_wispr_portal_context *wp_context)
 418 {
 419         DBG("Failed to proceed wispr/portal web request");
 420
 421         wp_context->wispr_result = CONNMAN_WISPR_RESULT_FAILED;
 422 }
 423
 424 static void portal_manage_status(GWebResult *result,
 425                         struct connman_wispr_portal_context *wp_context)
 426 {
 427         const char *str = NULL;
 428
 429         DBG("");
 430
 431         /* We currently don't do anything with this info */
 432         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 433                                 &str) == TRUE)
 434                 connman_info("Client-IP: %s", str);
 435
 436         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 437                                 &str) == TRUE)
 438                 connman_info("Client-Country: %s", str);
 439
 440         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 441                                 &str) == TRUE)
 442                 connman_info("Client-Region: %s", str);
 443
 444         __connman_service_ipconfig_indicate_state(wp_context->service,
 445                                                 CONNMAN_SERVICE_STATE_ONLINE,
 446                                                 wp_context->type);
 447 }
 448
 449 static gboolean wispr_route_request(const char *address, int ai_family,
 450                 int if_index, gpointer user_data)
 451 {
 452         int result = -1;
 453         struct connman_wispr_portal_context *wp_context = user_data;
 454         const char *gateway;
 455         struct wispr_route *route;
 456
 457         gateway = __connman_ipconfig_get_gateway_from_index(if_index,
 458                 wp_context->type);
 459
 460         DBG("address %s if %d gw %s", address, if_index, gateway);
 461
 462         if (gateway == NULL)
 463                 return FALSE;
 464
 465         route = g_try_new0(struct wispr_route, 1);
 466         if (route == 0) {
 467                 DBG("could not create struct");
 468                 return FALSE;
 469         }
 470
 471         switch(wp_context->type) {
 472         case CONNMAN_IPCONFIG_TYPE_IPV4:
 473                 result = connman_inet_add_host_route(if_index, address,
 474                                 gateway);
 475                 break;
 476         case CONNMAN_IPCONFIG_TYPE_IPV6:
 477                 result = connman_inet_add_ipv6_host_route(if_index, address,
 478                                 gateway);
 479                 break;
 480         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 481                 break;
 482         }
 483
 484         if (result < 0) {
 485                 g_free(route);
 486                 return FALSE;
 487         }
 488
 489         route->address = g_strdup(address);
 490         route->if_index = if_index;
 491         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 492
 493         return TRUE;
 494 }
 495
 496 static void wispr_portal_request_portal(struct connman_wispr_portal_context *wp_context)
 497 {
 498         DBG("");
 499
 500         wp_context->request_id = g_web_request_get(wp_context->web,
 501                                         wp_context->status_url,
 502                                         wispr_portal_web_result,
 503                                         wispr_route_request,
 504                                         wp_context);
 505
 506         if (wp_context->request_id == 0)
 507                 wispr_portal_error(wp_context);
 508 }
 509
 510 static gboolean wispr_input(const guint8 **data, gsize *length,
 511                                                 gpointer user_data)
 512 {
 513         struct connman_wispr_portal_context *wp_context = user_data;
 514         GString *buf;
 515         gsize count;
 516
 517         DBG("");
 518
 519         buf = g_string_sized_new(100);
 520
 521         g_string_append(buf, "button=Login&UserName=");
 522         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 523                                                                 NULL, FALSE);
 524         g_string_append(buf, "&Password=");
 525         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 526                                                                 NULL, FALSE);
 527         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 528         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 529
 530         count = buf->len;
 531
 532         g_free(wp_context->wispr_formdata);
 533         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 534
 535         *data = (guint8 *) wp_context->wispr_formdata;
 536         *length = count;
 537
 538         return FALSE;
 539 }
 540
 541 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 542                                         connman_bool_t authentication_done,
 543                                         const char *error, void *user_data)
 544 {
 545         struct connman_wispr_portal_context *wp_context = user_data;
 546
 547         DBG("");
 548
 549         if (service == NULL || wp_context == NULL)
 550                 return;
 551
 552         if (authentication_done == FALSE) {
 553                 wispr_portal_error(wp_context);
 554                 free_wispr_routes(wp_context);
 555                 return;
 556         }
 557
 558         /* Restarting the test */
 559         __connman_wispr_start(service, wp_context->type);
 560 }
 561
 562 static void wispr_portal_request_wispr_login(struct connman_service *service,
 563                                 connman_bool_t success,
 564                                 const char *ssid, int ssid_len,
 565                                 const char *username, const char *password,
 566                                 gboolean wps, const char *wpspin,
 567                                 const char *error, void *user_data)
 568 {
 569         struct connman_wispr_portal_context *wp_context = user_data;
 570
 571         DBG("");
 572
 573         if (error != NULL && g_strcmp0(error,
 574                         "net.connman.Agent.Error.LaunchBrowser") == 0) {
 575
 576                 if (__connman_agent_request_browser(service,
 577                                 wispr_portal_browser_reply_cb,
 578                                 wp_context->redirect_url,
 579                                 wp_context) != -EINPROGRESS)
 580                         free_connman_wispr_portal_context(wp_context);
 581
 582                 return;
 583         }
 584
 585         g_free(wp_context->wispr_username);
 586         wp_context->wispr_username = g_strdup(username);
 587
 588         g_free(wp_context->wispr_password);
 589         wp_context->wispr_password = g_strdup(password);
 590
 591         wp_context->request_id = g_web_request_post(wp_context->web,
 592                                         wp_context->wispr_msg.login_url,
 593                                         "application/x-www-form-urlencoded",
 594                                         wispr_input, wispr_portal_web_result,
 595                                         wp_context);
 596
 597         connman_wispr_message_init(&wp_context->wispr_msg);
 598 }
 599
 600 static gboolean wispr_manage_message(GWebResult *result,
 601                         struct connman_wispr_portal_context *wp_context)
 602 {
 603         DBG("Message type: %s (%d)",
 604                 message_type_to_string(wp_context->wispr_msg.message_type),
 605                                         wp_context->wispr_msg.message_type);
 606         DBG("Response code: %s (%d)",
 607                 response_code_to_string(wp_context->wispr_msg.response_code),
 608                                         wp_context->wispr_msg.response_code);
 609
 610         if (wp_context->wispr_msg.access_procedure != NULL)
 611                 DBG("Access procedure: %s",
 612                         wp_context->wispr_msg.access_procedure);
 613         if (wp_context->wispr_msg.access_location != NULL)
 614                 DBG("Access location: %s",
 615                         wp_context->wispr_msg.access_location);
 616         if (wp_context->wispr_msg.location_name != NULL)
 617                 DBG("Location name: %s",
 618                         wp_context->wispr_msg.location_name);
 619         if (wp_context->wispr_msg.login_url != NULL)
 620                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 621         if (wp_context->wispr_msg.abort_login_url != NULL)
 622                 DBG("Abort login URL: %s",
 623                         wp_context->wispr_msg.abort_login_url);
 624         if (wp_context->wispr_msg.logoff_url != NULL)
 625                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 626
 627         switch (wp_context->wispr_msg.message_type) {
 628         case 100:
 629                 DBG("Login required");
 630
 631                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 632
 633                 if (__connman_agent_request_login_input(wp_context->service,
 634                                         wispr_portal_request_wispr_login,
 635                                         wp_context) != -EINPROGRESS) {
 636                         wispr_portal_error(wp_context);
 637                         free_connman_wispr_portal_context(wp_context);
 638                 }
 639
 640                 break;
 641         case 120: /* Falling down */
 642         case 140:
 643                 if (wp_context->wispr_msg.response_code == 50) {
 644                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 645
 646                         g_free(wp_context->wispr_username);
 647                         wp_context->wispr_username = NULL;
 648
 649                         g_free(wp_context->wispr_password);
 650                         wp_context->wispr_password = NULL;
 651
 652                         g_free(wp_context->wispr_formdata);
 653                         wp_context->wispr_formdata = NULL;
 654
 655                         wispr_portal_request_portal(wp_context);
 656
 657                         return TRUE;
 658                 } else
 659                         wispr_portal_error(wp_context);
 660
 661                 break;
 662         default:
 663                 break;
 664         }
 665
 666         return FALSE;
 667 }
 668
 669 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data)
 670 {
 671         struct connman_wispr_portal_context *wp_context = user_data;
 672         const char *redirect = NULL;
 673         const guint8 *chunk = NULL;
 674         const char *str = NULL;
 675         guint16 status;
 676         gsize length;
 677
 678         DBG("");
 679
 680         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 681                 g_web_result_get_chunk(result, &chunk, &length);
 682
 683                 if (length > 0) {
 684                         g_web_parser_feed_data(wp_context->wispr_parser,
 685                                                                 chunk, length);
 686                         return TRUE;
 687                 }
 688
 689                 g_web_parser_end_data(wp_context->wispr_parser);
 690
 691                 if (wp_context->wispr_msg.message_type >= 0) {
 692                         if (wispr_manage_message(result, wp_context) == TRUE)
 693                                 goto done;
 694                 }
 695         }
 696
 697         status = g_web_result_get_status(result);
 698
 699         DBG("status: %03u", status);
 700
 701         switch (status) {
 702         case 200:
 703                 if (wp_context->wispr_msg.message_type >= 0)
 704                         break;
 705
 706                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 707                                                 &str) == TRUE) {
 708                         portal_manage_status(result, wp_context);
 709                         free_connman_wispr_portal_context(wp_context);
 710                         return FALSE;
 711                 }
 712                 else
 713                         __connman_agent_request_browser(wp_context->service,
 714                                         wispr_portal_browser_reply_cb,
 715                                         wp_context->redirect_url, wp_context);
 716
 717                 break;
 718         case 302:
 719                 if (g_web_supports_tls() == FALSE ||
 720                                 g_web_result_get_header(result, "Location",
 721                                                         &redirect) == FALSE) {
 722
 723                         __connman_agent_request_browser(wp_context->service,
 724                                         wispr_portal_browser_reply_cb,
 725                                         wp_context->status_url, wp_context);
 726                         break;
 727                 }
 728
 729                 DBG("Redirect URL: %s", redirect);
 730
 731                 wp_context->redirect_url = g_strdup(redirect);
 732
 733                 wp_context->request_id = g_web_request_get(wp_context->web,
 734                                 redirect, wispr_portal_web_result,
 735                                 wispr_route_request, wp_context);
 736
 737                 goto done;
 738         case 400:
 739         case 404:
 740                 if (__connman_service_online_check_failed(wp_context->service,
 741                                                 wp_context->type) == 0) {
 742                         wispr_portal_error(wp_context);
 743                         free_connman_wispr_portal_context(wp_context);
 744                         return FALSE;
 745                 }
 746
 747                 break;
 748         default:
 749                 break;
 750         }
 751
 752         free_wispr_routes(wp_context);
 753         wp_context->request_id = 0;
 754 done:
 755         wp_context->wispr_msg.message_type = -1;
 756         return FALSE;
 757 }
 758
 759 static void proxy_callback(const char *proxy, void *user_data)
 760 {
 761         struct connman_wispr_portal_context *wp_context = user_data;
 762
 763         DBG("proxy %s", proxy);
 764
 765         if (wp_context == NULL)
 766                 return;
 767
 768         wp_context->token = 0;
 769
 770         if (proxy != NULL && g_strcmp0(proxy, "DIRECT") != 0)
 771                 g_web_set_proxy(wp_context->web, proxy);
 772
 773         g_web_set_accept(wp_context->web, NULL);
 774         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 775         g_web_set_close_connection(wp_context->web, TRUE);
 776
 777         connman_wispr_message_init(&wp_context->wispr_msg);
 778
 779         wp_context->wispr_parser = g_web_parser_new(
 780                                         "<WISPAccessGatewayParam",
 781                                         "WISPAccessGatewayParam>",
 782                                         xml_wispr_parser_callback, wp_context);
 783
 784         wispr_portal_request_portal(wp_context);
 785 }
 786
 787 static gboolean no_proxy_callback(gpointer user_data)
 788 {
 789         struct connman_wispr_portal_context *wp_context = user_data;
 790
 791         proxy_callback("DIRECT", wp_context);
 792
 793         return FALSE;
 794 }
 795
 796 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 797 {
 798         enum connman_service_proxy_method proxy_method;
 799         enum connman_service_type service_type;
 800         char *interface = NULL;
 801         char **nameservers = NULL;
 802         int if_index;
 803         int err = 0;
 804         int i;
 805
 806         DBG("wispr/portal context %p", wp_context);
 807         DBG("service %p", wp_context->service);
 808
 809         service_type = connman_service_get_type(wp_context->service);
 810
 811         switch (service_type) {
 812         case CONNMAN_SERVICE_TYPE_ETHERNET:
 813         case CONNMAN_SERVICE_TYPE_WIFI:
 814         case CONNMAN_SERVICE_TYPE_WIMAX:
 815         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 816         case CONNMAN_SERVICE_TYPE_CELLULAR:
 817                 break;
 818         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 819         case CONNMAN_SERVICE_TYPE_SYSTEM:
 820         case CONNMAN_SERVICE_TYPE_GPS:
 821         case CONNMAN_SERVICE_TYPE_VPN:
 822         case CONNMAN_SERVICE_TYPE_GADGET:
 823                 return -EOPNOTSUPP;
 824         }
 825
 826         interface = connman_service_get_interface(wp_context->service);
 827         if (interface == NULL)
 828                 return -EINVAL;
 829
 830         DBG("interface %s", interface);
 831
 832         if_index = connman_inet_ifindex(interface);
 833         if (if_index < 0) {
 834                 DBG("Could not get ifindex");
 835                 err = -EINVAL;
 836                 goto done;
 837         }
 838
 839         nameservers = connman_service_get_nameservers(wp_context->service);
 840         if (nameservers == NULL) {
 841                 DBG("Could not get nameservers");
 842                 err = -EINVAL;
 843                 goto done;
 844         }
 845
 846         wp_context->web = g_web_new(if_index);
 847         if (wp_context->web == NULL) {
 848                 DBG("Could not set up GWeb");
 849                 err = -ENOMEM;
 850                 goto done;
 851         }
 852
 853         if (getenv("CONNMAN_WEB_DEBUG"))
 854                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 855
 856         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 857                 g_web_set_address_family(wp_context->web, AF_INET);
 858                 wp_context->status_url = STATUS_URL_IPV4;
 859         } else {
 860                 g_web_set_address_family(wp_context->web, AF_INET6);
 861                 wp_context->status_url = STATUS_URL_IPV6;
 862         }
 863
 864         for (i = 0; nameservers[i] != NULL; i++)
 865                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 866
 867         proxy_method = connman_service_get_proxy_method(wp_context->service);
 868
 869         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 870                 wp_context->token = connman_proxy_lookup(interface,
 871                                                 wp_context->status_url,
 872                                                 wp_context->service,
 873                                                 proxy_callback, wp_context);
 874
 875                 if (wp_context->token == 0) {
 876                         err = -EINVAL;
 877                         free_connman_wispr_portal_context(wp_context);
 878                 }
 879         } else {
 880                 g_timeout_add_seconds(0, no_proxy_callback, wp_context);
 881         }
 882
 883 done:
 884         g_strfreev(nameservers);
 885
 886         g_free(interface);
 887         return err;
 888 }
 889
 890 int __connman_wispr_start(struct connman_service *service,
 891                                         enum connman_ipconfig_type type)
 892 {
 893         struct connman_wispr_portal_context *wp_context = NULL;
 894         struct connman_wispr_portal *wispr_portal = NULL;
 895         int index;
 896
 897         DBG("service %p", service);
 898
 899         if (wispr_portal_list == NULL)
 900                 return -EINVAL;
 901
 902         index = __connman_service_get_index(service);
 903         if (index < 0)
 904                 return -EINVAL;
 905
 906         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 907                                         GINT_TO_POINTER(index));
 908         if (wispr_portal == NULL) {
 909                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 910                 if (wispr_portal == NULL)
 911                         return -ENOMEM;
 912
 913                 g_hash_table_replace(wispr_portal_list,
 914                                         GINT_TO_POINTER(index), wispr_portal);
 915         }
 916
 917         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 918                 wp_context = wispr_portal->ipv4_context;
 919         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 920                 wp_context = wispr_portal->ipv6_context;
 921         else
 922                 return -EINVAL;
 923
 924         /* If there is already an existing context, we wipe it */
 925         if (wp_context != NULL)
 926                 free_connman_wispr_portal_context(wp_context);
 927
 928         wp_context = create_wispr_portal_context();
 929         if (wp_context == NULL)
 930                 return -ENOMEM;
 931
 932         connman_service_ref(service);
 933
 934         wp_context->service = service;
 935         wp_context->type = type;
 936         wp_context->wispr_portal = wispr_portal;
 937
 938         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 939                 wispr_portal->ipv4_context = wp_context;
 940         else
 941                 wispr_portal->ipv6_context = wp_context;
 942
 943         return wispr_portal_detect(wp_context);
 944 }
 945
 946 void __connman_wispr_stop(struct connman_service *service)
 947 {
 948         int index;
 949
 950         DBG("service %p", service);
 951
 952         if (wispr_portal_list == NULL)
 953                 return;
 954
 955         index = __connman_service_get_index(service);
 956         if (index < 0)
 957                 return;
 958
 959         g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
 960 }
 961
 962 int __connman_wispr_init(void)
 963 {
 964         DBG("");
 965
 966         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
 967                                                 g_direct_equal, NULL,
 968                                                 free_connman_wispr_portal);
 969
 970         return 0;
 971 }
 972
 973 void __connman_wispr_cleanup(void)
 974 {
 975         DBG("");
 976
 977         g_hash_table_destroy(wispr_portal_list);
 978         wispr_portal_list = NULL;
 979 }