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