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         guint timeout;
  88 };
  89
  90 struct connman_wispr_portal {
  91         struct connman_wispr_portal_context *ipv4_context;
  92         struct connman_wispr_portal_context *ipv6_context;
  93 };
  94
  95 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data);
  96
  97 static GHashTable *wispr_portal_list = NULL;
  98
  99 static void connman_wispr_message_init(struct connman_wispr_message *msg)
 100 {
 101         DBG("");
 102
 103         msg->has_error = FALSE;
 104         msg->current_element = NULL;
 105
 106         msg->message_type = -1;
 107         msg->response_code = -1;
 108
 109         g_free(msg->login_url);
 110         msg->login_url = NULL;
 111
 112         g_free(msg->abort_login_url);
 113         msg->abort_login_url = NULL;
 114
 115         g_free(msg->logoff_url);
 116         msg->logoff_url = NULL;
 117
 118         g_free(msg->access_procedure);
 119         msg->access_procedure = NULL;
 120
 121         g_free(msg->access_location);
 122         msg->access_location = NULL;
 123
 124         g_free(msg->location_name);
 125         msg->location_name = NULL;
 126 }
 127
 128 static void free_wispr_routes(struct connman_wispr_portal_context *wp_context)
 129 {
 130         while (wp_context->route_list != NULL) {
 131                 struct wispr_route *route = wp_context->route_list->data;
 132
 133                 DBG("free route to %s if %d type %d", route->address,
 134                                 route->if_index, wp_context->type);
 135
 136                 switch(wp_context->type) {
 137                 case CONNMAN_IPCONFIG_TYPE_IPV4:
 138                         connman_inet_del_host_route(route->if_index,
 139                                         route->address);
 140                         break;
 141                 case CONNMAN_IPCONFIG_TYPE_IPV6:
 142                         connman_inet_del_ipv6_host_route(route->if_index,
 143                                         route->address);
 144                         break;
 145                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 146                         break;
 147                 }
 148
 149                 g_free(route->address);
 150                 g_free(route);
 151
 152                 wp_context->route_list =
 153                         g_slist_delete_link(wp_context->route_list,
 154                                         wp_context->route_list);
 155         }
 156 }
 157
 158 static void free_connman_wispr_portal_context(struct connman_wispr_portal_context *wp_context)
 159 {
 160         DBG("context %p", wp_context);
 161
 162         if (wp_context == NULL)
 163                 return;
 164
 165         if (wp_context->wispr_portal != NULL) {
 166                 if (wp_context->wispr_portal->ipv4_context == wp_context)
 167                         wp_context->wispr_portal->ipv4_context = NULL;
 168
 169                 if (wp_context->wispr_portal->ipv6_context == wp_context)
 170                         wp_context->wispr_portal->ipv6_context = NULL;
 171         }
 172
 173         if (wp_context->token > 0)
 174                 connman_proxy_lookup_cancel(wp_context->token);
 175
 176         if (wp_context->request_id > 0)
 177                 g_web_cancel_request(wp_context->web, wp_context->request_id);
 178
 179         if (wp_context->timeout > 0)
 180                 g_source_remove(wp_context->timeout);
 181
 182         if (wp_context->web != NULL)
 183                 g_web_unref(wp_context->web);
 184
 185         g_free(wp_context->redirect_url);
 186
 187         if (wp_context->wispr_parser != NULL)
 188                 g_web_parser_unref(wp_context->wispr_parser);
 189
 190         connman_wispr_message_init(&wp_context->wispr_msg);
 191
 192         g_free(wp_context->wispr_username);
 193         g_free(wp_context->wispr_password);
 194         g_free(wp_context->wispr_formdata);
 195
 196         free_wispr_routes(wp_context);
 197
 198         g_free(wp_context);
 199 }
 200
 201 static struct connman_wispr_portal_context *create_wispr_portal_context(void)
 202 {
 203         return g_try_new0(struct connman_wispr_portal_context, 1);
 204 }
 205
 206 static void free_connman_wispr_portal(gpointer data)
 207 {
 208         struct connman_wispr_portal *wispr_portal = data;
 209
 210         DBG("");
 211
 212         if (wispr_portal == NULL)
 213                 return;
 214
 215         free_connman_wispr_portal_context(wispr_portal->ipv4_context);
 216         free_connman_wispr_portal_context(wispr_portal->ipv6_context);
 217
 218         g_free(wispr_portal);
 219 }
 220
 221 static const char *message_type_to_string(int message_type)
 222 {
 223         switch (message_type) {
 224         case 100:
 225                 return "Initial redirect message";
 226         case 110:
 227                 return "Proxy notification";
 228         case 120:
 229                 return "Authentication notification";
 230         case 130:
 231                 return "Logoff notification";
 232         case 140:
 233                 return "Response to Authentication Poll";
 234         case 150:
 235                 return "Response to Abort Login";
 236         }
 237
 238         return NULL;
 239 }
 240
 241 static const char *response_code_to_string(int response_code)
 242 {
 243         switch (response_code) {
 244         case 0:
 245                 return "No error";
 246         case 50:
 247                 return "Login succeeded";
 248         case 100:
 249                 return "Login failed";
 250         case 102:
 251                 return "RADIUS server error/timeout";
 252         case 105:
 253                 return "RADIUS server not enabled";
 254         case 150:
 255                 return "Logoff succeeded";
 256         case 151:
 257                 return "Login aborted";
 258         case 200:
 259                 return "Proxy detection/repeat operation";
 260         case 201:
 261                 return "Authentication pending";
 262         case 255:
 263                 return "Access gateway internal error";
 264         }
 265
 266         return NULL;
 267 }
 268
 269 static struct {
 270         const char *str;
 271         enum {
 272                 WISPR_ELEMENT_NONE              = 0,
 273                 WISPR_ELEMENT_ACCESS_PROCEDURE  = 1,
 274                 WISPR_ELEMENT_ACCESS_LOCATION   = 2,
 275                 WISPR_ELEMENT_LOCATION_NAME     = 3,
 276                 WISPR_ELEMENT_LOGIN_URL         = 4,
 277                 WISPR_ELEMENT_ABORT_LOGIN_URL   = 5,
 278                 WISPR_ELEMENT_MESSAGE_TYPE      = 6,
 279                 WISPR_ELEMENT_RESPONSE_CODE     = 7,
 280                 WISPR_ELEMENT_NEXT_URL          = 8,
 281                 WISPR_ELEMENT_DELAY             = 9,
 282                 WISPR_ELEMENT_REPLY_MESSAGE     = 10,
 283                 WISPR_ELEMENT_LOGIN_RESULTS_URL = 11,
 284                 WISPR_ELEMENT_LOGOFF_URL        = 12,
 285         } element;
 286 } wispr_element_map[] = {
 287         { "AccessProcedure",    WISPR_ELEMENT_ACCESS_PROCEDURE  },
 288         { "AccessLocation",     WISPR_ELEMENT_ACCESS_LOCATION   },
 289         { "LocationName",       WISPR_ELEMENT_LOCATION_NAME     },
 290         { "LoginURL",           WISPR_ELEMENT_LOGIN_URL         },
 291         { "AbortLoginURL",      WISPR_ELEMENT_ABORT_LOGIN_URL   },
 292         { "MessageType",        WISPR_ELEMENT_MESSAGE_TYPE      },
 293         { "ResponseCode",       WISPR_ELEMENT_RESPONSE_CODE     },
 294         { "NextURL",            WISPR_ELEMENT_NEXT_URL          },
 295         { "Delay",              WISPR_ELEMENT_DELAY             },
 296         { "ReplyMessage",       WISPR_ELEMENT_REPLY_MESSAGE     },
 297         { "LoginResultsURL",    WISPR_ELEMENT_LOGIN_RESULTS_URL },
 298         { "LogoffURL",          WISPR_ELEMENT_LOGOFF_URL        },
 299         { NULL,                 WISPR_ELEMENT_NONE              },
 300 };
 301
 302 static void xml_wispr_start_element_handler(GMarkupParseContext *context,
 303                                         const gchar *element_name,
 304                                         const gchar **attribute_names,
 305                                         const gchar **attribute_values,
 306                                         gpointer user_data, GError **error)
 307 {
 308         struct connman_wispr_message *msg = user_data;
 309
 310         msg->current_element = element_name;
 311 }
 312
 313 static void xml_wispr_end_element_handler(GMarkupParseContext *context,
 314                                         const gchar *element_name,
 315                                         gpointer user_data, GError **error)
 316 {
 317         struct connman_wispr_message *msg = user_data;
 318
 319         msg->current_element = NULL;
 320 }
 321
 322 static void xml_wispr_text_handler(GMarkupParseContext *context,
 323                                         const gchar *text, gsize text_len,
 324                                         gpointer user_data, GError **error)
 325 {
 326         struct connman_wispr_message *msg = user_data;
 327         int i;
 328
 329         if (msg->current_element == NULL)
 330                 return;
 331
 332         for (i = 0; wispr_element_map[i].str; i++) {
 333                 if (g_str_equal(wispr_element_map[i].str,
 334                                         msg->current_element) == FALSE)
 335                         continue;
 336
 337                 switch (wispr_element_map[i].element) {
 338                 case WISPR_ELEMENT_NONE:
 339                 case WISPR_ELEMENT_ACCESS_PROCEDURE:
 340                         g_free(msg->access_procedure);
 341                         msg->access_procedure = g_strdup(text);
 342                         break;
 343                 case WISPR_ELEMENT_ACCESS_LOCATION:
 344                         g_free(msg->access_location);
 345                         msg->access_location = g_strdup(text);
 346                         break;
 347                 case WISPR_ELEMENT_LOCATION_NAME:
 348                         g_free(msg->location_name);
 349                         msg->location_name = g_strdup(text);
 350                         break;
 351                 case WISPR_ELEMENT_LOGIN_URL:
 352                         g_free(msg->login_url);
 353                         msg->login_url = g_strdup(text);
 354                         break;
 355                 case WISPR_ELEMENT_ABORT_LOGIN_URL:
 356                         g_free(msg->abort_login_url);
 357                         msg->abort_login_url = g_strdup(text);
 358                         break;
 359                 case WISPR_ELEMENT_MESSAGE_TYPE:
 360                         msg->message_type = atoi(text);
 361                         break;
 362                 case WISPR_ELEMENT_RESPONSE_CODE:
 363                         msg->response_code = atoi(text);
 364                         break;
 365                 case WISPR_ELEMENT_NEXT_URL:
 366                 case WISPR_ELEMENT_DELAY:
 367                 case WISPR_ELEMENT_REPLY_MESSAGE:
 368                 case WISPR_ELEMENT_LOGIN_RESULTS_URL:
 369                         break;
 370                 case WISPR_ELEMENT_LOGOFF_URL:
 371                         g_free(msg->logoff_url);
 372                         msg->logoff_url = g_strdup(text);
 373                         break;
 374                 }
 375         }
 376 }
 377
 378 static void xml_wispr_error_handler(GMarkupParseContext *context,
 379                                         GError *error, gpointer user_data)
 380 {
 381         struct connman_wispr_message *msg = user_data;
 382
 383         msg->has_error = TRUE;
 384 }
 385
 386 static const GMarkupParser xml_wispr_parser_handlers = {
 387         xml_wispr_start_element_handler,
 388         xml_wispr_end_element_handler,
 389         xml_wispr_text_handler,
 390         NULL,
 391         xml_wispr_error_handler,
 392 };
 393
 394 static void xml_wispr_parser_callback(const char *str, gpointer user_data)
 395 {
 396         struct connman_wispr_portal_context *wp_context = user_data;
 397         GMarkupParseContext *parser_context = NULL;
 398         gboolean result;
 399
 400         DBG("");
 401
 402         parser_context = g_markup_parse_context_new(&xml_wispr_parser_handlers,
 403                                         G_MARKUP_TREAT_CDATA_AS_TEXT,
 404                                         &(wp_context->wispr_msg), NULL);
 405
 406         result = g_markup_parse_context_parse(parser_context,
 407                                         str, strlen(str), NULL);
 408         if (result == TRUE)
 409                 g_markup_parse_context_end_parse(parser_context, NULL);
 410
 411         g_markup_parse_context_free(parser_context);
 412 }
 413
 414 static void web_debug(const char *str, void *data)
 415 {
 416         connman_info("%s: %s\n", (const char *) data, str);
 417 }
 418
 419 static void wispr_portal_error(struct connman_wispr_portal_context *wp_context)
 420 {
 421         DBG("Failed to proceed wispr/portal web request");
 422
 423         wp_context->wispr_result = CONNMAN_WISPR_RESULT_FAILED;
 424 }
 425
 426 static void portal_manage_status(GWebResult *result,
 427                         struct connman_wispr_portal_context *wp_context)
 428 {
 429         struct connman_service *service = wp_context->service;
 430         enum connman_ipconfig_type type = wp_context->type;
 431         const char *str = NULL;
 432
 433         DBG("");
 434
 435         /* We currently don't do anything with this info */
 436         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 437                                 &str) == TRUE)
 438                 connman_info("Client-IP: %s", str);
 439
 440         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 441                                 &str) == TRUE)
 442                 connman_info("Client-Country: %s", str);
 443
 444         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 445                                 &str) == TRUE)
 446                 connman_info("Client-Region: %s", str);
 447
 448         if (g_web_result_get_header(result, "X-ConnMan-Client-Timezone",
 449                                 &str) == TRUE)
 450                 connman_info("Client-Timezone: %s", str);
 451
 452         free_connman_wispr_portal_context(wp_context);
 453
 454         __connman_service_ipconfig_indicate_state(service,
 455                                         CONNMAN_SERVICE_STATE_ONLINE, type);
 456 }
 457
 458 static gboolean wispr_route_request(const char *address, int ai_family,
 459                 int if_index, gpointer user_data)
 460 {
 461         int result = -1;
 462         struct connman_wispr_portal_context *wp_context = user_data;
 463         const char *gateway;
 464         struct wispr_route *route;
 465
 466         gateway = __connman_ipconfig_get_gateway_from_index(if_index,
 467                 wp_context->type);
 468
 469         DBG("address %s if %d gw %s", address, if_index, gateway);
 470
 471         if (gateway == NULL)
 472                 return FALSE;
 473
 474         route = g_try_new0(struct wispr_route, 1);
 475         if (route == 0) {
 476                 DBG("could not create struct");
 477                 return FALSE;
 478         }
 479
 480         switch(wp_context->type) {
 481         case CONNMAN_IPCONFIG_TYPE_IPV4:
 482                 result = connman_inet_add_host_route(if_index, address,
 483                                 gateway);
 484                 break;
 485         case CONNMAN_IPCONFIG_TYPE_IPV6:
 486                 result = connman_inet_add_ipv6_host_route(if_index, address,
 487                                 gateway);
 488                 break;
 489         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 490                 break;
 491         }
 492
 493         if (result < 0) {
 494                 g_free(route);
 495                 return FALSE;
 496         }
 497
 498         route->address = g_strdup(address);
 499         route->if_index = if_index;
 500         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 501
 502         return TRUE;
 503 }
 504
 505 static void wispr_portal_request_portal(struct connman_wispr_portal_context *wp_context)
 506 {
 507         DBG("");
 508
 509         wp_context->request_id = g_web_request_get(wp_context->web,
 510                                         wp_context->status_url,
 511                                         wispr_portal_web_result,
 512                                         wispr_route_request,
 513                                         wp_context);
 514
 515         if (wp_context->request_id == 0)
 516                 wispr_portal_error(wp_context);
 517 }
 518
 519 static gboolean wispr_input(const guint8 **data, gsize *length,
 520                                                 gpointer user_data)
 521 {
 522         struct connman_wispr_portal_context *wp_context = user_data;
 523         GString *buf;
 524         gsize count;
 525
 526         DBG("");
 527
 528         buf = g_string_sized_new(100);
 529
 530         g_string_append(buf, "button=Login&UserName=");
 531         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 532                                                                 NULL, FALSE);
 533         g_string_append(buf, "&Password=");
 534         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 535                                                                 NULL, FALSE);
 536         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 537         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 538
 539         count = buf->len;
 540
 541         g_free(wp_context->wispr_formdata);
 542         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 543
 544         *data = (guint8 *) wp_context->wispr_formdata;
 545         *length = count;
 546
 547         return FALSE;
 548 }
 549
 550 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 551                                         connman_bool_t authentication_done,
 552                                         const char *error, void *user_data)
 553 {
 554         struct connman_wispr_portal_context *wp_context = user_data;
 555
 556         DBG("");
 557
 558         if (service == NULL || wp_context == NULL)
 559                 return;
 560
 561         if (authentication_done == FALSE) {
 562                 wispr_portal_error(wp_context);
 563                 free_wispr_routes(wp_context);
 564                 return;
 565         }
 566
 567         /* Restarting the test */
 568         __connman_wispr_start(service, wp_context->type);
 569 }
 570
 571 static void wispr_portal_request_wispr_login(struct connman_service *service,
 572                                 connman_bool_t success,
 573                                 const char *ssid, int ssid_len,
 574                                 const char *username, const char *password,
 575                                 gboolean wps, const char *wpspin,
 576                                 const char *error, void *user_data)
 577 {
 578         struct connman_wispr_portal_context *wp_context = user_data;
 579
 580         DBG("");
 581
 582         if (error != NULL) {
 583                 if (g_strcmp0(error,
 584                         "net.connman.Agent.Error.LaunchBrowser") == 0) {
 585                         if (__connman_agent_request_browser(service,
 586                                         wispr_portal_browser_reply_cb,
 587                                         wp_context->redirect_url,
 588                                         wp_context) == -EINPROGRESS)
 589                                 return;
 590                 }
 591
 592                 free_connman_wispr_portal_context(wp_context);
 593                 return;
 594         }
 595
 596         g_free(wp_context->wispr_username);
 597         wp_context->wispr_username = g_strdup(username);
 598
 599         g_free(wp_context->wispr_password);
 600         wp_context->wispr_password = g_strdup(password);
 601
 602         wp_context->request_id = g_web_request_post(wp_context->web,
 603                                         wp_context->wispr_msg.login_url,
 604                                         "application/x-www-form-urlencoded",
 605                                         wispr_input, wispr_portal_web_result,
 606                                         wp_context);
 607
 608         connman_wispr_message_init(&wp_context->wispr_msg);
 609 }
 610
 611 static gboolean wispr_manage_message(GWebResult *result,
 612                         struct connman_wispr_portal_context *wp_context)
 613 {
 614         DBG("Message type: %s (%d)",
 615                 message_type_to_string(wp_context->wispr_msg.message_type),
 616                                         wp_context->wispr_msg.message_type);
 617         DBG("Response code: %s (%d)",
 618                 response_code_to_string(wp_context->wispr_msg.response_code),
 619                                         wp_context->wispr_msg.response_code);
 620
 621         if (wp_context->wispr_msg.access_procedure != NULL)
 622                 DBG("Access procedure: %s",
 623                         wp_context->wispr_msg.access_procedure);
 624         if (wp_context->wispr_msg.access_location != NULL)
 625                 DBG("Access location: %s",
 626                         wp_context->wispr_msg.access_location);
 627         if (wp_context->wispr_msg.location_name != NULL)
 628                 DBG("Location name: %s",
 629                         wp_context->wispr_msg.location_name);
 630         if (wp_context->wispr_msg.login_url != NULL)
 631                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 632         if (wp_context->wispr_msg.abort_login_url != NULL)
 633                 DBG("Abort login URL: %s",
 634                         wp_context->wispr_msg.abort_login_url);
 635         if (wp_context->wispr_msg.logoff_url != NULL)
 636                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 637
 638         switch (wp_context->wispr_msg.message_type) {
 639         case 100:
 640                 DBG("Login required");
 641
 642                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 643
 644                 if (__connman_agent_request_login_input(wp_context->service,
 645                                         wispr_portal_request_wispr_login,
 646                                         wp_context) != -EINPROGRESS)
 647                         wispr_portal_error(wp_context);
 648
 649                 break;
 650         case 120: /* Falling down */
 651         case 140:
 652                 if (wp_context->wispr_msg.response_code == 50) {
 653                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 654
 655                         g_free(wp_context->wispr_username);
 656                         wp_context->wispr_username = NULL;
 657
 658                         g_free(wp_context->wispr_password);
 659                         wp_context->wispr_password = NULL;
 660
 661                         g_free(wp_context->wispr_formdata);
 662                         wp_context->wispr_formdata = NULL;
 663
 664                         wispr_portal_request_portal(wp_context);
 665
 666                         return TRUE;
 667                 } else
 668                         wispr_portal_error(wp_context);
 669
 670                 break;
 671         default:
 672                 break;
 673         }
 674
 675         return FALSE;
 676 }
 677
 678 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data)
 679 {
 680         struct connman_wispr_portal_context *wp_context = user_data;
 681         const char *redirect = NULL;
 682         const guint8 *chunk = NULL;
 683         const char *str = NULL;
 684         guint16 status;
 685         gsize length;
 686
 687         DBG("");
 688
 689         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 690                 g_web_result_get_chunk(result, &chunk, &length);
 691
 692                 if (length > 0) {
 693                         g_web_parser_feed_data(wp_context->wispr_parser,
 694                                                                 chunk, length);
 695                         return TRUE;
 696                 }
 697
 698                 g_web_parser_end_data(wp_context->wispr_parser);
 699
 700                 if (wp_context->wispr_msg.message_type >= 0) {
 701                         if (wispr_manage_message(result, wp_context) == TRUE)
 702                                 goto done;
 703                 }
 704         }
 705
 706         status = g_web_result_get_status(result);
 707
 708         DBG("status: %03u", status);
 709
 710         switch (status) {
 711         case 200:
 712                 if (wp_context->wispr_msg.message_type >= 0)
 713                         break;
 714
 715                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 716                                                 &str) == TRUE) {
 717                         portal_manage_status(result, wp_context);
 718                         return FALSE;
 719                 }
 720                 else
 721                         __connman_agent_request_browser(wp_context->service,
 722                                         wispr_portal_browser_reply_cb,
 723                                         wp_context->redirect_url, wp_context);
 724
 725                 break;
 726         case 302:
 727                 if (g_web_supports_tls() == FALSE ||
 728                                 g_web_result_get_header(result, "Location",
 729                                                         &redirect) == FALSE) {
 730
 731                         __connman_agent_request_browser(wp_context->service,
 732                                         wispr_portal_browser_reply_cb,
 733                                         wp_context->status_url, wp_context);
 734                         break;
 735                 }
 736
 737                 DBG("Redirect URL: %s", redirect);
 738
 739                 wp_context->redirect_url = g_strdup(redirect);
 740
 741                 wp_context->request_id = g_web_request_get(wp_context->web,
 742                                 redirect, wispr_portal_web_result,
 743                                 wispr_route_request, wp_context);
 744
 745                 goto done;
 746         case 400:
 747         case 404:
 748                 if (__connman_service_online_check_failed(wp_context->service,
 749                                                 wp_context->type) == 0) {
 750                         wispr_portal_error(wp_context);
 751                         free_connman_wispr_portal_context(wp_context);
 752                         return FALSE;
 753                 }
 754
 755                 break;
 756         default:
 757                 break;
 758         }
 759
 760         free_wispr_routes(wp_context);
 761         wp_context->request_id = 0;
 762 done:
 763         wp_context->wispr_msg.message_type = -1;
 764         return FALSE;
 765 }
 766
 767 static void proxy_callback(const char *proxy, void *user_data)
 768 {
 769         struct connman_wispr_portal_context *wp_context = user_data;
 770
 771         DBG("proxy %s", proxy);
 772
 773         if (wp_context == NULL)
 774                 return;
 775
 776         wp_context->token = 0;
 777
 778         if (proxy != NULL && g_strcmp0(proxy, "DIRECT") != 0)
 779                 g_web_set_proxy(wp_context->web, proxy);
 780
 781         g_web_set_accept(wp_context->web, NULL);
 782         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 783         g_web_set_close_connection(wp_context->web, TRUE);
 784
 785         connman_wispr_message_init(&wp_context->wispr_msg);
 786
 787         wp_context->wispr_parser = g_web_parser_new(
 788                                         "<WISPAccessGatewayParam",
 789                                         "WISPAccessGatewayParam>",
 790                                         xml_wispr_parser_callback, wp_context);
 791
 792         wispr_portal_request_portal(wp_context);
 793 }
 794
 795 static gboolean no_proxy_callback(gpointer user_data)
 796 {
 797         struct connman_wispr_portal_context *wp_context = user_data;
 798
 799         wp_context->timeout = 0;
 800
 801         proxy_callback("DIRECT", wp_context);
 802
 803         return FALSE;
 804 }
 805
 806 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 807 {
 808         enum connman_service_proxy_method proxy_method;
 809         enum connman_service_type service_type;
 810         char *interface = NULL;
 811         char **nameservers = NULL;
 812         int if_index;
 813         int err = 0;
 814         int i;
 815
 816         DBG("wispr/portal context %p", wp_context);
 817         DBG("service %p", wp_context->service);
 818
 819         service_type = connman_service_get_type(wp_context->service);
 820
 821         switch (service_type) {
 822         case CONNMAN_SERVICE_TYPE_ETHERNET:
 823         case CONNMAN_SERVICE_TYPE_WIFI:
 824         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 825         case CONNMAN_SERVICE_TYPE_CELLULAR:
 826                 break;
 827         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 828         case CONNMAN_SERVICE_TYPE_SYSTEM:
 829         case CONNMAN_SERVICE_TYPE_GPS:
 830         case CONNMAN_SERVICE_TYPE_VPN:
 831         case CONNMAN_SERVICE_TYPE_GADGET:
 832                 return -EOPNOTSUPP;
 833         }
 834
 835         interface = connman_service_get_interface(wp_context->service);
 836         if (interface == NULL)
 837                 return -EINVAL;
 838
 839         DBG("interface %s", interface);
 840
 841         if_index = connman_inet_ifindex(interface);
 842         if (if_index < 0) {
 843                 DBG("Could not get ifindex");
 844                 err = -EINVAL;
 845                 goto done;
 846         }
 847
 848         nameservers = connman_service_get_nameservers(wp_context->service);
 849         if (nameservers == NULL) {
 850                 DBG("Could not get nameservers");
 851                 err = -EINVAL;
 852                 goto done;
 853         }
 854
 855         wp_context->web = g_web_new(if_index);
 856         if (wp_context->web == NULL) {
 857                 DBG("Could not set up GWeb");
 858                 err = -ENOMEM;
 859                 goto done;
 860         }
 861
 862         if (getenv("CONNMAN_WEB_DEBUG"))
 863                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 864
 865         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 866                 g_web_set_address_family(wp_context->web, AF_INET);
 867                 wp_context->status_url = STATUS_URL_IPV4;
 868         } else {
 869                 g_web_set_address_family(wp_context->web, AF_INET6);
 870                 wp_context->status_url = STATUS_URL_IPV6;
 871         }
 872
 873         for (i = 0; nameservers[i] != NULL; i++)
 874                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 875
 876         proxy_method = connman_service_get_proxy_method(wp_context->service);
 877
 878         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 879                 wp_context->token = connman_proxy_lookup(interface,
 880                                                 wp_context->status_url,
 881                                                 wp_context->service,
 882                                                 proxy_callback, wp_context);
 883
 884                 if (wp_context->token == 0) {
 885                         err = -EINVAL;
 886                         free_connman_wispr_portal_context(wp_context);
 887                 }
 888         } else if (wp_context->timeout == 0) {
 889                 wp_context->timeout =
 890                         g_timeout_add_seconds(0, no_proxy_callback, wp_context);
 891         }
 892
 893 done:
 894         g_strfreev(nameservers);
 895
 896         g_free(interface);
 897         return err;
 898 }
 899
 900 int __connman_wispr_start(struct connman_service *service,
 901                                         enum connman_ipconfig_type type)
 902 {
 903         struct connman_wispr_portal_context *wp_context = NULL;
 904         struct connman_wispr_portal *wispr_portal = NULL;
 905         int index;
 906
 907         DBG("service %p", service);
 908
 909         if (wispr_portal_list == NULL)
 910                 return -EINVAL;
 911
 912         index = __connman_service_get_index(service);
 913         if (index < 0)
 914                 return -EINVAL;
 915
 916         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 917                                         GINT_TO_POINTER(index));
 918         if (wispr_portal == NULL) {
 919                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 920                 if (wispr_portal == NULL)
 921                         return -ENOMEM;
 922
 923                 g_hash_table_replace(wispr_portal_list,
 924                                         GINT_TO_POINTER(index), wispr_portal);
 925         }
 926
 927         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 928                 wp_context = wispr_portal->ipv4_context;
 929         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 930                 wp_context = wispr_portal->ipv6_context;
 931         else
 932                 return -EINVAL;
 933
 934         /* If there is already an existing context, we wipe it */
 935         if (wp_context != NULL)
 936                 free_connman_wispr_portal_context(wp_context);
 937
 938         wp_context = create_wispr_portal_context();
 939         if (wp_context == NULL)
 940                 return -ENOMEM;
 941
 942         wp_context->service = service;
 943         wp_context->type = type;
 944         wp_context->wispr_portal = wispr_portal;
 945
 946         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 947                 wispr_portal->ipv4_context = wp_context;
 948         else
 949                 wispr_portal->ipv6_context = wp_context;
 950
 951         return wispr_portal_detect(wp_context);
 952 }
 953
 954 void __connman_wispr_stop(struct connman_service *service)
 955 {
 956         int index;
 957
 958         DBG("service %p", service);
 959
 960         if (wispr_portal_list == NULL)
 961                 return;
 962
 963         index = __connman_service_get_index(service);
 964         if (index < 0)
 965                 return;
 966
 967         g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
 968 }
 969
 970 int __connman_wispr_init(void)
 971 {
 972         DBG("");
 973
 974         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
 975                                                 g_direct_equal, NULL,
 976                                                 free_connman_wispr_portal);
 977
 978         return 0;
 979 }
 980
 981 void __connman_wispr_cleanup(void)
 982 {
 983         DBG("");
 984
 985         g_hash_table_destroy(wispr_portal_list);
 986         wispr_portal_list = NULL;
 987 }