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 #define wispr_portal_context_ref(_wp_ctxt) \
  37         wispr_portal_context_ref_debug(_wp_ctxt, __FILE__, __LINE__, __func__)
  38
  39 #define wispr_portal_context_unref(_wp_ctxt) \
  40         wispr_portal_context_unref_debug(_wp_ctxt, __FILE__, __LINE__, __func__)
  41
  42 struct connman_wispr_message {
  43         gboolean has_error;
  44         const char *current_element;
  45         int message_type;
  46         int response_code;
  47         char *login_url;
  48         char *abort_login_url;
  49         char *logoff_url;
  50         char *access_procedure;
  51         char *access_location;
  52         char *location_name;
  53 };
  54
  55 enum connman_wispr_result {
  56         CONNMAN_WISPR_RESULT_UNKNOWN = 0,
  57         CONNMAN_WISPR_RESULT_LOGIN   = 1,
  58         CONNMAN_WISPR_RESULT_ONLINE  = 2,
  59         CONNMAN_WISPR_RESULT_FAILED  = 3,
  60 };
  61
  62 struct wispr_route {
  63         char *address;
  64         int if_index;
  65 };
  66
  67 struct connman_wispr_portal_context {
  68         int refcount;
  69
  70         struct connman_service *service;
  71         enum connman_ipconfig_type type;
  72         struct connman_wispr_portal *wispr_portal;
  73
  74         /* Portal/WISPr common */
  75         GWeb *web;
  76         unsigned int token;
  77         guint request_id;
  78
  79         const char *status_url;
  80
  81         char *redirect_url;
  82
  83         /* WISPr specific */
  84         GWebParser *wispr_parser;
  85         struct connman_wispr_message wispr_msg;
  86
  87         char *wispr_username;
  88         char *wispr_password;
  89         char *wispr_formdata;
  90
  91         enum connman_wispr_result wispr_result;
  92
  93         GSList *route_list;
  94 };
  95
  96 struct connman_wispr_portal {
  97         struct connman_wispr_portal_context *ipv4_context;
  98         struct connman_wispr_portal_context *ipv6_context;
  99 };
 100
 101 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data);
 102
 103 static GHashTable *wispr_portal_list = NULL;
 104
 105 static void connman_wispr_message_init(struct connman_wispr_message *msg)
 106 {
 107         DBG("");
 108
 109         msg->has_error = FALSE;
 110         msg->current_element = NULL;
 111
 112         msg->message_type = -1;
 113         msg->response_code = -1;
 114
 115         g_free(msg->login_url);
 116         msg->login_url = NULL;
 117
 118         g_free(msg->abort_login_url);
 119         msg->abort_login_url = NULL;
 120
 121         g_free(msg->logoff_url);
 122         msg->logoff_url = NULL;
 123
 124         g_free(msg->access_procedure);
 125         msg->access_procedure = NULL;
 126
 127         g_free(msg->access_location);
 128         msg->access_location = NULL;
 129
 130         g_free(msg->location_name);
 131         msg->location_name = NULL;
 132 }
 133
 134 static void free_wispr_routes(struct connman_wispr_portal_context *wp_context)
 135 {
 136         while (wp_context->route_list != NULL) {
 137                 struct wispr_route *route = wp_context->route_list->data;
 138
 139                 DBG("free route to %s if %d type %d", route->address,
 140                                 route->if_index, wp_context->type);
 141
 142                 switch(wp_context->type) {
 143                 case CONNMAN_IPCONFIG_TYPE_IPV4:
 144                         connman_inet_del_host_route(route->if_index,
 145                                         route->address);
 146                         break;
 147                 case CONNMAN_IPCONFIG_TYPE_IPV6:
 148                         connman_inet_del_ipv6_host_route(route->if_index,
 149                                         route->address);
 150                         break;
 151                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 152                         break;
 153                 }
 154
 155                 g_free(route->address);
 156                 g_free(route);
 157
 158                 wp_context->route_list =
 159                         g_slist_delete_link(wp_context->route_list,
 160                                         wp_context->route_list);
 161         }
 162 }
 163
 164 static void free_connman_wispr_portal_context(struct connman_wispr_portal_context *wp_context)
 165 {
 166         DBG("context %p", wp_context);
 167
 168         if (wp_context == NULL)
 169                 return;
 170
 171         if (wp_context->wispr_portal != NULL) {
 172                 if (wp_context->wispr_portal->ipv4_context == wp_context)
 173                         wp_context->wispr_portal->ipv4_context = NULL;
 174
 175                 if (wp_context->wispr_portal->ipv6_context == wp_context)
 176                         wp_context->wispr_portal->ipv6_context = NULL;
 177         }
 178
 179         if (wp_context->service != NULL)
 180                 connman_service_unref(wp_context->service);
 181
 182         if (wp_context->token > 0)
 183                 connman_proxy_lookup_cancel(wp_context->token);
 184
 185         if (wp_context->request_id > 0)
 186                 g_web_cancel_request(wp_context->web, wp_context->request_id);
 187
 188         if (wp_context->web != NULL)
 189                 g_web_unref(wp_context->web);
 190
 191         g_free(wp_context->redirect_url);
 192
 193         if (wp_context->wispr_parser != NULL)
 194                 g_web_parser_unref(wp_context->wispr_parser);
 195
 196         connman_wispr_message_init(&wp_context->wispr_msg);
 197
 198         g_free(wp_context->wispr_username);
 199         g_free(wp_context->wispr_password);
 200         g_free(wp_context->wispr_formdata);
 201
 202         free_wispr_routes(wp_context);
 203
 204         g_free(wp_context);
 205 }
 206
 207 static struct connman_wispr_portal_context *
 208 wispr_portal_context_ref_debug(struct connman_wispr_portal_context *wp_context,
 209                                 const char *file, int line, const char *caller)
 210 {
 211         DBG("%p ref %d by %s:%d:%s()", wp_context, wp_context->refcount + 1,
 212                                                         file, line, caller);
 213
 214         __sync_fetch_and_add(&wp_context->refcount, 1);
 215
 216         return wp_context;
 217 }
 218
 219 static struct connman_wispr_portal_context *
 220 wispr_portal_context_unref_debug(struct connman_wispr_portal_context *wp_context,
 221                                 const char *file, int line, const char *caller)
 222 {
 223         DBG("%p ref %d by %s:%d:%s()", wp_context, wp_context->refcount - 1,
 224                                                         file, line, caller);
 225
 226         if (__sync_fetch_and_sub(&wp_context->refcount, 1) != 1)
 227                 return wp_context;
 228
 229         free_connman_wispr_portal_context(wp_context);
 230
 231         return NULL;
 232 }
 233
 234 static struct connman_wispr_portal_context *create_wispr_portal_context(void)
 235 {
 236         struct connman_wispr_portal_context *wp_context = NULL;
 237
 238          wp_context = g_try_new0(struct connman_wispr_portal_context, 1);
 239          if (wp_context == NULL)
 240                 return NULL;
 241
 242          wp_context->refcount = 1;
 243
 244          return wp_context;
 245 }
 246
 247 /**
 248  * This function is usued only by free_connman_wispr_portal, context pointer
 249  * might still be owned by a third party (gweb, agent dbus call...)
 250  * so we don't want service to be referenced in any context when it is not
 251  * valid anymore.
 252  */
 253 static void
 254 reset_service_usage(struct connman_wispr_portal_context *wp_context)
 255 {
 256         if (wp_context->service == NULL)
 257                 return;
 258
 259         connman_service_unref(wp_context->service);
 260         wp_context->service = NULL;
 261 }
 262
 263 static void free_connman_wispr_portal(gpointer data)
 264 {
 265         struct connman_wispr_portal *wispr_portal = data;
 266
 267         DBG("");
 268
 269         if (wispr_portal == NULL)
 270                 return;
 271
 272         if (wispr_portal->ipv4_context != NULL) {
 273                 reset_service_usage(wispr_portal->ipv4_context);
 274                 wispr_portal_context_unref(wispr_portal->ipv4_context);
 275         }
 276
 277         if (wispr_portal->ipv6_context != NULL) {
 278                 reset_service_usage(wispr_portal->ipv6_context);
 279                 wispr_portal_context_unref(wispr_portal->ipv6_context);
 280         }
 281
 282         g_free(wispr_portal);
 283 }
 284
 285 static const char *message_type_to_string(int message_type)
 286 {
 287         switch (message_type) {
 288         case 100:
 289                 return "Initial redirect message";
 290         case 110:
 291                 return "Proxy notification";
 292         case 120:
 293                 return "Authentication notification";
 294         case 130:
 295                 return "Logoff notification";
 296         case 140:
 297                 return "Response to Authentication Poll";
 298         case 150:
 299                 return "Response to Abort Login";
 300         }
 301
 302         return NULL;
 303 }
 304
 305 static const char *response_code_to_string(int response_code)
 306 {
 307         switch (response_code) {
 308         case 0:
 309                 return "No error";
 310         case 50:
 311                 return "Login succeeded";
 312         case 100:
 313                 return "Login failed";
 314         case 102:
 315                 return "RADIUS server error/timeout";
 316         case 105:
 317                 return "RADIUS server not enabled";
 318         case 150:
 319                 return "Logoff succeeded";
 320         case 151:
 321                 return "Login aborted";
 322         case 200:
 323                 return "Proxy detection/repeat operation";
 324         case 201:
 325                 return "Authentication pending";
 326         case 255:
 327                 return "Access gateway internal error";
 328         }
 329
 330         return NULL;
 331 }
 332
 333 static struct {
 334         const char *str;
 335         enum {
 336                 WISPR_ELEMENT_NONE              = 0,
 337                 WISPR_ELEMENT_ACCESS_PROCEDURE  = 1,
 338                 WISPR_ELEMENT_ACCESS_LOCATION   = 2,
 339                 WISPR_ELEMENT_LOCATION_NAME     = 3,
 340                 WISPR_ELEMENT_LOGIN_URL         = 4,
 341                 WISPR_ELEMENT_ABORT_LOGIN_URL   = 5,
 342                 WISPR_ELEMENT_MESSAGE_TYPE      = 6,
 343                 WISPR_ELEMENT_RESPONSE_CODE     = 7,
 344                 WISPR_ELEMENT_NEXT_URL          = 8,
 345                 WISPR_ELEMENT_DELAY             = 9,
 346                 WISPR_ELEMENT_REPLY_MESSAGE     = 10,
 347                 WISPR_ELEMENT_LOGIN_RESULTS_URL = 11,
 348                 WISPR_ELEMENT_LOGOFF_URL        = 12,
 349         } element;
 350 } wispr_element_map[] = {
 351         { "AccessProcedure",    WISPR_ELEMENT_ACCESS_PROCEDURE  },
 352         { "AccessLocation",     WISPR_ELEMENT_ACCESS_LOCATION   },
 353         { "LocationName",       WISPR_ELEMENT_LOCATION_NAME     },
 354         { "LoginURL",           WISPR_ELEMENT_LOGIN_URL         },
 355         { "AbortLoginURL",      WISPR_ELEMENT_ABORT_LOGIN_URL   },
 356         { "MessageType",        WISPR_ELEMENT_MESSAGE_TYPE      },
 357         { "ResponseCode",       WISPR_ELEMENT_RESPONSE_CODE     },
 358         { "NextURL",            WISPR_ELEMENT_NEXT_URL          },
 359         { "Delay",              WISPR_ELEMENT_DELAY             },
 360         { "ReplyMessage",       WISPR_ELEMENT_REPLY_MESSAGE     },
 361         { "LoginResultsURL",    WISPR_ELEMENT_LOGIN_RESULTS_URL },
 362         { "LogoffURL",          WISPR_ELEMENT_LOGOFF_URL        },
 363         { NULL,                 WISPR_ELEMENT_NONE              },
 364 };
 365
 366 static void xml_wispr_start_element_handler(GMarkupParseContext *context,
 367                                         const gchar *element_name,
 368                                         const gchar **attribute_names,
 369                                         const gchar **attribute_values,
 370                                         gpointer user_data, GError **error)
 371 {
 372         struct connman_wispr_message *msg = user_data;
 373
 374         msg->current_element = element_name;
 375 }
 376
 377 static void xml_wispr_end_element_handler(GMarkupParseContext *context,
 378                                         const gchar *element_name,
 379                                         gpointer user_data, GError **error)
 380 {
 381         struct connman_wispr_message *msg = user_data;
 382
 383         msg->current_element = NULL;
 384 }
 385
 386 static void xml_wispr_text_handler(GMarkupParseContext *context,
 387                                         const gchar *text, gsize text_len,
 388                                         gpointer user_data, GError **error)
 389 {
 390         struct connman_wispr_message *msg = user_data;
 391         int i;
 392
 393         if (msg->current_element == NULL)
 394                 return;
 395
 396         for (i = 0; wispr_element_map[i].str; i++) {
 397                 if (g_str_equal(wispr_element_map[i].str,
 398                                         msg->current_element) == FALSE)
 399                         continue;
 400
 401                 switch (wispr_element_map[i].element) {
 402                 case WISPR_ELEMENT_NONE:
 403                 case WISPR_ELEMENT_ACCESS_PROCEDURE:
 404                         g_free(msg->access_procedure);
 405                         msg->access_procedure = g_strdup(text);
 406                         break;
 407                 case WISPR_ELEMENT_ACCESS_LOCATION:
 408                         g_free(msg->access_location);
 409                         msg->access_location = g_strdup(text);
 410                         break;
 411                 case WISPR_ELEMENT_LOCATION_NAME:
 412                         g_free(msg->location_name);
 413                         msg->location_name = g_strdup(text);
 414                         break;
 415                 case WISPR_ELEMENT_LOGIN_URL:
 416                         g_free(msg->login_url);
 417                         msg->login_url = g_strdup(text);
 418                         break;
 419                 case WISPR_ELEMENT_ABORT_LOGIN_URL:
 420                         g_free(msg->abort_login_url);
 421                         msg->abort_login_url = g_strdup(text);
 422                         break;
 423                 case WISPR_ELEMENT_MESSAGE_TYPE:
 424                         msg->message_type = atoi(text);
 425                         break;
 426                 case WISPR_ELEMENT_RESPONSE_CODE:
 427                         msg->response_code = atoi(text);
 428                         break;
 429                 case WISPR_ELEMENT_NEXT_URL:
 430                 case WISPR_ELEMENT_DELAY:
 431                 case WISPR_ELEMENT_REPLY_MESSAGE:
 432                 case WISPR_ELEMENT_LOGIN_RESULTS_URL:
 433                         break;
 434                 case WISPR_ELEMENT_LOGOFF_URL:
 435                         g_free(msg->logoff_url);
 436                         msg->logoff_url = g_strdup(text);
 437                         break;
 438                 }
 439         }
 440 }
 441
 442 static void xml_wispr_error_handler(GMarkupParseContext *context,
 443                                         GError *error, gpointer user_data)
 444 {
 445         struct connman_wispr_message *msg = user_data;
 446
 447         msg->has_error = TRUE;
 448 }
 449
 450 static const GMarkupParser xml_wispr_parser_handlers = {
 451         xml_wispr_start_element_handler,
 452         xml_wispr_end_element_handler,
 453         xml_wispr_text_handler,
 454         NULL,
 455         xml_wispr_error_handler,
 456 };
 457
 458 static void xml_wispr_parser_callback(const char *str, gpointer user_data)
 459 {
 460         struct connman_wispr_portal_context *wp_context = user_data;
 461         GMarkupParseContext *parser_context = NULL;
 462         gboolean result;
 463
 464         DBG("");
 465
 466         parser_context = g_markup_parse_context_new(&xml_wispr_parser_handlers,
 467                                         G_MARKUP_TREAT_CDATA_AS_TEXT,
 468                                         &(wp_context->wispr_msg), NULL);
 469
 470         result = g_markup_parse_context_parse(parser_context,
 471                                         str, strlen(str), NULL);
 472         if (result == TRUE)
 473                 g_markup_parse_context_end_parse(parser_context, NULL);
 474
 475         g_markup_parse_context_free(parser_context);
 476 }
 477
 478 static void web_debug(const char *str, void *data)
 479 {
 480         connman_info("%s: %s\n", (const char *) data, str);
 481 }
 482
 483 static void wispr_portal_error(struct connman_wispr_portal_context *wp_context)
 484 {
 485         DBG("Failed to proceed wispr/portal web request");
 486
 487         wp_context->wispr_result = CONNMAN_WISPR_RESULT_FAILED;
 488 }
 489
 490 static void portal_manage_status(GWebResult *result,
 491                         struct connman_wispr_portal_context *wp_context)
 492 {
 493         const char *str = NULL;
 494
 495         DBG("");
 496
 497         /* We currently don't do anything with this info */
 498         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 499                                 &str) == TRUE)
 500                 connman_info("Client-IP: %s", str);
 501
 502         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 503                                 &str) == TRUE)
 504                 connman_info("Client-Country: %s", str);
 505
 506         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 507                                 &str) == TRUE)
 508                 connman_info("Client-Region: %s", str);
 509
 510         __connman_service_ipconfig_indicate_state(wp_context->service,
 511                                                 CONNMAN_SERVICE_STATE_ONLINE,
 512                                                 wp_context->type);
 513 }
 514
 515 static gboolean wispr_route_request(const char *address, int ai_family,
 516                 int if_index, gpointer user_data)
 517 {
 518         int result = -1;
 519         struct connman_wispr_portal_context *wp_context = user_data;
 520         const char *gateway;
 521         struct wispr_route *route;
 522
 523         gateway = __connman_ipconfig_get_gateway_from_index(if_index,
 524                 wp_context->type);
 525
 526         DBG("address %s if %d gw %s", address, if_index, gateway);
 527
 528         if (gateway == NULL)
 529                 return FALSE;
 530
 531         route = g_try_new0(struct wispr_route, 1);
 532         if (route == 0) {
 533                 DBG("could not create struct");
 534                 return FALSE;
 535         }
 536
 537         switch(wp_context->type) {
 538         case CONNMAN_IPCONFIG_TYPE_IPV4:
 539                 result = connman_inet_add_host_route(if_index, address,
 540                                 gateway);
 541                 break;
 542         case CONNMAN_IPCONFIG_TYPE_IPV6:
 543                 result = connman_inet_add_ipv6_host_route(if_index, address,
 544                                 gateway);
 545                 break;
 546         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 547                 break;
 548         }
 549
 550         if (result < 0) {
 551                 g_free(route);
 552                 return FALSE;
 553         }
 554
 555         route->address = g_strdup(address);
 556         route->if_index = if_index;
 557         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 558
 559         return TRUE;
 560 }
 561
 562 static void wispr_portal_request_portal(struct connman_wispr_portal_context *wp_context)
 563 {
 564         DBG("");
 565
 566         wp_context->request_id = g_web_request_get(wp_context->web,
 567                                         wp_context->status_url,
 568                                         wispr_portal_web_result,
 569                                         wispr_route_request,
 570                                         wp_context);
 571
 572         if (wp_context->request_id == 0)
 573                 wispr_portal_error(wp_context);
 574 }
 575
 576 static gboolean wispr_input(const guint8 **data, gsize *length,
 577                                                 gpointer user_data)
 578 {
 579         struct connman_wispr_portal_context *wp_context = user_data;
 580         GString *buf;
 581         gsize count;
 582
 583         DBG("");
 584
 585         buf = g_string_sized_new(100);
 586
 587         g_string_append(buf, "button=Login&UserName=");
 588         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 589                                                                 NULL, FALSE);
 590         g_string_append(buf, "&Password=");
 591         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 592                                                                 NULL, FALSE);
 593         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 594         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 595
 596         count = buf->len;
 597
 598         g_free(wp_context->wispr_formdata);
 599         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 600
 601         *data = (guint8 *) wp_context->wispr_formdata;
 602         *length = count;
 603
 604         return FALSE;
 605 }
 606
 607 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 608                                         connman_bool_t authentication_done,
 609                                         const char *error, void *user_data)
 610 {
 611         struct connman_wispr_portal_context *wp_context = user_data;
 612
 613         DBG("");
 614
 615         wp_context = wispr_portal_context_unref(wp_context);
 616         if (service == NULL || wp_context == NULL)
 617                 return;
 618
 619         if (authentication_done == FALSE) {
 620                 wispr_portal_error(wp_context);
 621                 free_wispr_routes(wp_context);
 622                 return;
 623         }
 624
 625         /* Restarting the test */
 626         __connman_wispr_start(service, wp_context->type);
 627 }
 628
 629 static void wispr_portal_request_wispr_login(struct connman_service *service,
 630                                 connman_bool_t success,
 631                                 const char *ssid, int ssid_len,
 632                                 const char *username, const char *password,
 633                                 gboolean wps, const char *wpspin,
 634                                 const char *error, void *user_data)
 635 {
 636         struct connman_wispr_portal_context *wp_context = user_data;
 637
 638         DBG("");
 639
 640         wp_context = wispr_portal_context_unref(wp_context);
 641         if (wp_context == NULL)
 642                 return;
 643
 644         if (error != NULL && g_strcmp0(error,
 645                         "net.connman.Agent.Error.LaunchBrowser") == 0) {
 646                 wispr_portal_context_ref(wp_context);
 647
 648                 if (__connman_agent_request_browser(service,
 649                                 wispr_portal_browser_reply_cb,
 650                                 wp_context->redirect_url,
 651                                 wp_context) != -EINPROGRESS)
 652                         wispr_portal_context_unref(wp_context);
 653
 654                 return;
 655         }
 656
 657         g_free(wp_context->wispr_username);
 658         wp_context->wispr_username = g_strdup(username);
 659
 660         g_free(wp_context->wispr_password);
 661         wp_context->wispr_password = g_strdup(password);
 662
 663         wp_context->request_id = g_web_request_post(wp_context->web,
 664                                         wp_context->wispr_msg.login_url,
 665                                         "application/x-www-form-urlencoded",
 666                                         wispr_input, wispr_portal_web_result,
 667                                         wp_context);
 668
 669         connman_wispr_message_init(&wp_context->wispr_msg);
 670 }
 671
 672 static gboolean wispr_manage_message(GWebResult *result,
 673                         struct connman_wispr_portal_context *wp_context)
 674 {
 675         DBG("Message type: %s (%d)",
 676                 message_type_to_string(wp_context->wispr_msg.message_type),
 677                                         wp_context->wispr_msg.message_type);
 678         DBG("Response code: %s (%d)",
 679                 response_code_to_string(wp_context->wispr_msg.response_code),
 680                                         wp_context->wispr_msg.response_code);
 681
 682         if (wp_context->wispr_msg.access_procedure != NULL)
 683                 DBG("Access procedure: %s",
 684                         wp_context->wispr_msg.access_procedure);
 685         if (wp_context->wispr_msg.access_location != NULL)
 686                 DBG("Access location: %s",
 687                         wp_context->wispr_msg.access_location);
 688         if (wp_context->wispr_msg.location_name != NULL)
 689                 DBG("Location name: %s",
 690                         wp_context->wispr_msg.location_name);
 691         if (wp_context->wispr_msg.login_url != NULL)
 692                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 693         if (wp_context->wispr_msg.abort_login_url != NULL)
 694                 DBG("Abort login URL: %s",
 695                         wp_context->wispr_msg.abort_login_url);
 696         if (wp_context->wispr_msg.logoff_url != NULL)
 697                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 698
 699         switch (wp_context->wispr_msg.message_type) {
 700         case 100:
 701                 DBG("Login required");
 702
 703                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 704
 705                 wispr_portal_context_ref(wp_context);
 706
 707                 if (__connman_agent_request_login_input(wp_context->service,
 708                                         wispr_portal_request_wispr_login,
 709                                         wp_context) != -EINPROGRESS) {
 710                         wispr_portal_context_unref(wp_context);
 711                         wispr_portal_error(wp_context);
 712                 }
 713
 714                 break;
 715         case 120: /* Falling down */
 716         case 140:
 717                 if (wp_context->wispr_msg.response_code == 50) {
 718                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 719
 720                         g_free(wp_context->wispr_username);
 721                         wp_context->wispr_username = NULL;
 722
 723                         g_free(wp_context->wispr_password);
 724                         wp_context->wispr_password = NULL;
 725
 726                         g_free(wp_context->wispr_formdata);
 727                         wp_context->wispr_formdata = NULL;
 728
 729                         wispr_portal_request_portal(wp_context);
 730
 731                         return TRUE;
 732                 } else
 733                         wispr_portal_error(wp_context);
 734
 735                 break;
 736         default:
 737                 break;
 738         }
 739
 740         return FALSE;
 741 }
 742
 743 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data)
 744 {
 745         struct connman_wispr_portal_context *wp_context = user_data;
 746         const char *redirect = NULL;
 747         const guint8 *chunk = NULL;
 748         const char *str = NULL;
 749         guint16 status;
 750         gsize length;
 751
 752         DBG("");
 753
 754         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 755                 g_web_result_get_chunk(result, &chunk, &length);
 756
 757                 if (length > 0) {
 758                         g_web_parser_feed_data(wp_context->wispr_parser,
 759                                                                 chunk, length);
 760                         return TRUE;
 761                 }
 762
 763                 g_web_parser_end_data(wp_context->wispr_parser);
 764
 765                 if (wp_context->wispr_msg.message_type >= 0) {
 766                         if (wispr_manage_message(result, wp_context) == TRUE)
 767                                 goto done;
 768                 }
 769         }
 770
 771         status = g_web_result_get_status(result);
 772
 773         DBG("status: %03u", status);
 774
 775         switch (status) {
 776         case 200:
 777                 if (wp_context->wispr_msg.message_type >= 0)
 778                         break;
 779
 780                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 781                                                 &str) == TRUE) {
 782                         portal_manage_status(result, wp_context);
 783                         wispr_portal_context_unref(wp_context);
 784                         return FALSE;
 785                 }
 786                 else {
 787                         wispr_portal_context_ref(wp_context);
 788
 789                         __connman_agent_request_browser(wp_context->service,
 790                                         wispr_portal_browser_reply_cb,
 791                                         wp_context->redirect_url, wp_context);
 792                 }
 793
 794                 break;
 795         case 302:
 796                 if (g_web_supports_tls() == FALSE ||
 797                                 g_web_result_get_header(result, "Location",
 798                                                         &redirect) == FALSE) {
 799                         wispr_portal_context_ref(wp_context);
 800
 801                         __connman_agent_request_browser(wp_context->service,
 802                                         wispr_portal_browser_reply_cb,
 803                                         wp_context->status_url, wp_context);
 804                         break;
 805                 }
 806
 807                 DBG("Redirect URL: %s", redirect);
 808
 809                 wp_context->redirect_url = g_strdup(redirect);
 810
 811                 wp_context->request_id = g_web_request_get(wp_context->web,
 812                                 redirect, wispr_portal_web_result,
 813                                 wispr_route_request, wp_context);
 814
 815                 goto done;
 816         case 400:
 817         case 404:
 818                 if (__connman_service_online_check_failed(wp_context->service,
 819                                                 wp_context->type) == 0) {
 820                         wispr_portal_error(wp_context);
 821                         wispr_portal_context_unref(wp_context);
 822                         return FALSE;
 823                 }
 824
 825                 break;
 826         default:
 827                 break;
 828         }
 829
 830         free_wispr_routes(wp_context);
 831         wp_context->request_id = 0;
 832 done:
 833         wp_context->wispr_msg.message_type = -1;
 834         return FALSE;
 835 }
 836
 837 static void proxy_callback(const char *proxy, void *user_data)
 838 {
 839         struct connman_wispr_portal_context *wp_context = user_data;
 840
 841         DBG("proxy %s", proxy);
 842
 843         if (wp_context == NULL)
 844                 return;
 845
 846         wp_context->token = 0;
 847
 848         if (proxy != NULL && g_strcmp0(proxy, "DIRECT") != 0)
 849                 g_web_set_proxy(wp_context->web, proxy);
 850
 851         g_web_set_accept(wp_context->web, NULL);
 852         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 853         g_web_set_close_connection(wp_context->web, TRUE);
 854
 855         connman_wispr_message_init(&wp_context->wispr_msg);
 856
 857         wp_context->wispr_parser = g_web_parser_new(
 858                                         "<WISPAccessGatewayParam",
 859                                         "WISPAccessGatewayParam>",
 860                                         xml_wispr_parser_callback, wp_context);
 861
 862         wispr_portal_request_portal(wp_context);
 863 }
 864
 865 static gboolean no_proxy_callback(gpointer user_data)
 866 {
 867         struct connman_wispr_portal_context *wp_context = user_data;
 868
 869         proxy_callback("DIRECT", wp_context);
 870
 871         return FALSE;
 872 }
 873
 874 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 875 {
 876         enum connman_service_proxy_method proxy_method;
 877         enum connman_service_type service_type;
 878         char *interface = NULL;
 879         char **nameservers = NULL;
 880         int if_index;
 881         int err = 0;
 882         int i;
 883
 884         DBG("wispr/portal context %p", wp_context);
 885         DBG("service %p", wp_context->service);
 886
 887         service_type = connman_service_get_type(wp_context->service);
 888
 889         switch (service_type) {
 890         case CONNMAN_SERVICE_TYPE_ETHERNET:
 891         case CONNMAN_SERVICE_TYPE_WIFI:
 892         case CONNMAN_SERVICE_TYPE_WIMAX:
 893         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 894         case CONNMAN_SERVICE_TYPE_CELLULAR:
 895                 break;
 896         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 897         case CONNMAN_SERVICE_TYPE_SYSTEM:
 898         case CONNMAN_SERVICE_TYPE_GPS:
 899         case CONNMAN_SERVICE_TYPE_VPN:
 900         case CONNMAN_SERVICE_TYPE_GADGET:
 901                 return -EOPNOTSUPP;
 902         }
 903
 904         interface = connman_service_get_interface(wp_context->service);
 905         if (interface == NULL)
 906                 return -EINVAL;
 907
 908         DBG("interface %s", interface);
 909
 910         if_index = connman_inet_ifindex(interface);
 911         if (if_index < 0) {
 912                 DBG("Could not get ifindex");
 913                 err = -EINVAL;
 914                 goto done;
 915         }
 916
 917         nameservers = connman_service_get_nameservers(wp_context->service);
 918         if (nameservers == NULL) {
 919                 DBG("Could not get nameservers");
 920                 err = -EINVAL;
 921                 goto done;
 922         }
 923
 924         wp_context->web = g_web_new(if_index);
 925         if (wp_context->web == NULL) {
 926                 DBG("Could not set up GWeb");
 927                 err = -ENOMEM;
 928                 goto done;
 929         }
 930
 931         if (getenv("CONNMAN_WEB_DEBUG"))
 932                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 933
 934         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 935                 g_web_set_address_family(wp_context->web, AF_INET);
 936                 wp_context->status_url = STATUS_URL_IPV4;
 937         } else {
 938                 g_web_set_address_family(wp_context->web, AF_INET6);
 939                 wp_context->status_url = STATUS_URL_IPV6;
 940         }
 941
 942         for (i = 0; nameservers[i] != NULL; i++)
 943                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 944
 945         proxy_method = connman_service_get_proxy_method(wp_context->service);
 946
 947         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 948                 wp_context->token = connman_proxy_lookup(interface,
 949                                                 wp_context->status_url,
 950                                                 wp_context->service,
 951                                                 proxy_callback, wp_context);
 952
 953                 if (wp_context->token == 0) {
 954                         err = -EINVAL;
 955                         wispr_portal_context_unref(wp_context);
 956                 }
 957         } else {
 958                 g_timeout_add_seconds(0, no_proxy_callback, wp_context);
 959         }
 960
 961 done:
 962         g_strfreev(nameservers);
 963
 964         g_free(interface);
 965         return err;
 966 }
 967
 968 int __connman_wispr_start(struct connman_service *service,
 969                                         enum connman_ipconfig_type type)
 970 {
 971         struct connman_wispr_portal_context *wp_context = NULL;
 972         struct connman_wispr_portal *wispr_portal = NULL;
 973         int index;
 974
 975         DBG("service %p", service);
 976
 977         if (wispr_portal_list == NULL)
 978                 return -EINVAL;
 979
 980         index = __connman_service_get_index(service);
 981         if (index < 0)
 982                 return -EINVAL;
 983
 984         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 985                                         GINT_TO_POINTER(index));
 986         if (wispr_portal == NULL) {
 987                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 988                 if (wispr_portal == NULL)
 989                         return -ENOMEM;
 990
 991                 g_hash_table_replace(wispr_portal_list,
 992                                         GINT_TO_POINTER(index), wispr_portal);
 993         }
 994
 995         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 996                 wp_context = wispr_portal->ipv4_context;
 997         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 998                 wp_context = wispr_portal->ipv6_context;
 999         else
1000                 return -EINVAL;
1001
1002         /* If there is already an existing context, we wipe it */
1003         if (wp_context != NULL)
1004                 wispr_portal_context_unref(wp_context);
1005
1006         wp_context = create_wispr_portal_context();
1007         if (wp_context == NULL)
1008                 return -ENOMEM;
1009
1010         connman_service_ref(service);
1011
1012         wp_context->service = service;
1013         wp_context->type = type;
1014         wp_context->wispr_portal = wispr_portal;
1015
1016         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1017                 wispr_portal->ipv4_context = wp_context;
1018         else
1019                 wispr_portal->ipv6_context = wp_context;
1020
1021         return wispr_portal_detect(wp_context);
1022 }
1023
1024 void __connman_wispr_stop(struct connman_service *service)
1025 {
1026         int index;
1027
1028         DBG("service %p", service);
1029
1030         if (wispr_portal_list == NULL)
1031                 return;
1032
1033         index = __connman_service_get_index(service);
1034         if (index < 0)
1035                 return;
1036
1037         g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
1038 }
1039
1040 int __connman_wispr_init(void)
1041 {
1042         DBG("");
1043
1044         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
1045                                                 g_direct_equal, NULL,
1046                                                 free_connman_wispr_portal);
1047
1048         return 0;
1049 }
1050
1051 void __connman_wispr_cleanup(void)
1052 {
1053         DBG("");
1054
1055         g_hash_table_destroy(wispr_portal_list);
1056         wispr_portal_list = NULL;
1057 }