src/wispr.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2013  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 struct connman_wispr_message {
  34         bool has_error;
  35         const char *current_element;
  36         int message_type;
  37         int response_code;
  38         char *login_url;
  39         char *abort_login_url;
  40         char *logoff_url;
  41         char *access_procedure;
  42         char *access_location;
  43         char *location_name;
  44 };
  45
  46 enum connman_wispr_result {
  47         CONNMAN_WISPR_RESULT_UNKNOWN = 0,
  48         CONNMAN_WISPR_RESULT_LOGIN   = 1,
  49         CONNMAN_WISPR_RESULT_ONLINE  = 2,
  50         CONNMAN_WISPR_RESULT_FAILED  = 3,
  51 };
  52
  53 struct wispr_route {
  54         char *address;
  55         int if_index;
  56 };
  57
  58 struct connman_wispr_portal_context {
  59         struct connman_service *service;
  60         enum connman_ipconfig_type type;
  61         struct connman_wispr_portal *wispr_portal;
  62
  63         /* Portal/WISPr common */
  64         GWeb *web;
  65         unsigned int token;
  66         guint request_id;
  67
  68         const char *status_url;
  69
  70         char *redirect_url;
  71
  72         /* WISPr specific */
  73         GWebParser *wispr_parser;
  74         struct connman_wispr_message wispr_msg;
  75
  76         char *wispr_username;
  77         char *wispr_password;
  78         char *wispr_formdata;
  79
  80         enum connman_wispr_result wispr_result;
  81
  82         GSList *route_list;
  83
  84         guint timeout;
  85 };
  86
  87 struct connman_wispr_portal {
  88         struct connman_wispr_portal_context *ipv4_context;
  89         struct connman_wispr_portal_context *ipv6_context;
  90 };
  91
  92 static bool wispr_portal_web_result(GWebResult *result, gpointer user_data);
  93
  94 static GHashTable *wispr_portal_list = NULL;
  95
  96 static char *online_check_ipv4_url = NULL;
  97 static char *online_check_ipv6_url = NULL;
  98 static bool enable_online_to_ready_transition = false;
  99
 100 static void connman_wispr_message_init(struct connman_wispr_message *msg)
 101 {
 102         DBG("");
 103
 104         msg->has_error = false;
 105         msg->current_element = NULL;
 106
 107         msg->message_type = -1;
 108         msg->response_code = -1;
 109
 110         g_free(msg->login_url);
 111         msg->login_url = NULL;
 112
 113         g_free(msg->abort_login_url);
 114         msg->abort_login_url = NULL;
 115
 116         g_free(msg->logoff_url);
 117         msg->logoff_url = NULL;
 118
 119         g_free(msg->access_procedure);
 120         msg->access_procedure = NULL;
 121
 122         g_free(msg->access_location);
 123         msg->access_location = NULL;
 124
 125         g_free(msg->location_name);
 126         msg->location_name = NULL;
 127 }
 128
 129 static void free_wispr_routes(struct connman_wispr_portal_context *wp_context)
 130 {
 131         while (wp_context->route_list) {
 132                 struct wispr_route *route = wp_context->route_list->data;
 133
 134                 DBG("free route to %s if %d type %d", route->address,
 135                                 route->if_index, wp_context->type);
 136
 137                 switch (wp_context->type) {
 138                 case CONNMAN_IPCONFIG_TYPE_IPV4:
 139                         connman_inet_del_host_route(route->if_index,
 140                                         route->address);
 141                         break;
 142                 case CONNMAN_IPCONFIG_TYPE_IPV6:
 143                         connman_inet_del_ipv6_host_route(route->if_index,
 144                                         route->address);
 145                         break;
 146                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 147                 case CONNMAN_IPCONFIG_TYPE_ALL:
 148                         break;
 149                 }
 150
 151                 g_free(route->address);
 152                 g_free(route);
 153
 154                 wp_context->route_list =
 155                         g_slist_delete_link(wp_context->route_list,
 156                                         wp_context->route_list);
 157         }
 158 }
 159
 160 static void free_connman_wispr_portal_context(
 161                 struct connman_wispr_portal_context *wp_context)
 162 {
 163         DBG("context %p", wp_context);
 164
 165         if (!wp_context)
 166                 return;
 167
 168         if (wp_context->wispr_portal) {
 169                 if (wp_context->wispr_portal->ipv4_context == wp_context)
 170                         wp_context->wispr_portal->ipv4_context = NULL;
 171
 172                 if (wp_context->wispr_portal->ipv6_context == wp_context)
 173                         wp_context->wispr_portal->ipv6_context = NULL;
 174         }
 175
 176         if (wp_context->token > 0)
 177                 connman_proxy_lookup_cancel(wp_context->token);
 178
 179         if (wp_context->request_id > 0)
 180                 g_web_cancel_request(wp_context->web, wp_context->request_id);
 181
 182         if (wp_context->timeout > 0)
 183                 g_source_remove(wp_context->timeout);
 184
 185         if (wp_context->web)
 186                 g_web_unref(wp_context->web);
 187
 188         g_free(wp_context->redirect_url);
 189
 190         if (wp_context->wispr_parser)
 191                 g_web_parser_unref(wp_context->wispr_parser);
 192
 193         connman_wispr_message_init(&wp_context->wispr_msg);
 194
 195         g_free(wp_context->wispr_username);
 196         g_free(wp_context->wispr_password);
 197         g_free(wp_context->wispr_formdata);
 198
 199         free_wispr_routes(wp_context);
 200
 201         g_free(wp_context);
 202 }
 203
 204 static struct connman_wispr_portal_context *create_wispr_portal_context(void)
 205 {
 206         return g_try_new0(struct connman_wispr_portal_context, 1);
 207 }
 208
 209 static void free_connman_wispr_portal(gpointer data)
 210 {
 211         struct connman_wispr_portal *wispr_portal = data;
 212
 213         DBG("");
 214
 215         if (!wispr_portal)
 216                 return;
 217
 218         free_connman_wispr_portal_context(wispr_portal->ipv4_context);
 219         free_connman_wispr_portal_context(wispr_portal->ipv6_context);
 220
 221         g_free(wispr_portal);
 222 }
 223
 224 static const char *message_type_to_string(int message_type)
 225 {
 226         switch (message_type) {
 227         case 100:
 228                 return "Initial redirect message";
 229         case 110:
 230                 return "Proxy notification";
 231         case 120:
 232                 return "Authentication notification";
 233         case 130:
 234                 return "Logoff notification";
 235         case 140:
 236                 return "Response to Authentication Poll";
 237         case 150:
 238                 return "Response to Abort Login";
 239         }
 240
 241         return NULL;
 242 }
 243
 244 static const char *response_code_to_string(int response_code)
 245 {
 246         switch (response_code) {
 247         case 0:
 248                 return "No error";
 249         case 50:
 250                 return "Login succeeded";
 251         case 100:
 252                 return "Login failed";
 253         case 102:
 254                 return "RADIUS server error/timeout";
 255         case 105:
 256                 return "RADIUS server not enabled";
 257         case 150:
 258                 return "Logoff succeeded";
 259         case 151:
 260                 return "Login aborted";
 261         case 200:
 262                 return "Proxy detection/repeat operation";
 263         case 201:
 264                 return "Authentication pending";
 265         case 255:
 266                 return "Access gateway internal error";
 267         }
 268
 269         return NULL;
 270 }
 271
 272 static struct {
 273         const char *str;
 274         enum {
 275                 WISPR_ELEMENT_NONE              = 0,
 276                 WISPR_ELEMENT_ACCESS_PROCEDURE  = 1,
 277                 WISPR_ELEMENT_ACCESS_LOCATION   = 2,
 278                 WISPR_ELEMENT_LOCATION_NAME     = 3,
 279                 WISPR_ELEMENT_LOGIN_URL         = 4,
 280                 WISPR_ELEMENT_ABORT_LOGIN_URL   = 5,
 281                 WISPR_ELEMENT_MESSAGE_TYPE      = 6,
 282                 WISPR_ELEMENT_RESPONSE_CODE     = 7,
 283                 WISPR_ELEMENT_NEXT_URL          = 8,
 284                 WISPR_ELEMENT_DELAY             = 9,
 285                 WISPR_ELEMENT_REPLY_MESSAGE     = 10,
 286                 WISPR_ELEMENT_LOGIN_RESULTS_URL = 11,
 287                 WISPR_ELEMENT_LOGOFF_URL        = 12,
 288         } element;
 289 } wispr_element_map[] = {
 290         { "AccessProcedure",    WISPR_ELEMENT_ACCESS_PROCEDURE  },
 291         { "AccessLocation",     WISPR_ELEMENT_ACCESS_LOCATION   },
 292         { "LocationName",       WISPR_ELEMENT_LOCATION_NAME     },
 293         { "LoginURL",           WISPR_ELEMENT_LOGIN_URL         },
 294         { "AbortLoginURL",      WISPR_ELEMENT_ABORT_LOGIN_URL   },
 295         { "MessageType",        WISPR_ELEMENT_MESSAGE_TYPE      },
 296         { "ResponseCode",       WISPR_ELEMENT_RESPONSE_CODE     },
 297         { "NextURL",            WISPR_ELEMENT_NEXT_URL          },
 298         { "Delay",              WISPR_ELEMENT_DELAY             },
 299         { "ReplyMessage",       WISPR_ELEMENT_REPLY_MESSAGE     },
 300         { "LoginResultsURL",    WISPR_ELEMENT_LOGIN_RESULTS_URL },
 301         { "LogoffURL",          WISPR_ELEMENT_LOGOFF_URL        },
 302         { NULL,                 WISPR_ELEMENT_NONE              },
 303 };
 304
 305 static void xml_wispr_start_element_handler(GMarkupParseContext *context,
 306                                         const gchar *element_name,
 307                                         const gchar **attribute_names,
 308                                         const gchar **attribute_values,
 309                                         gpointer user_data, GError **error)
 310 {
 311         struct connman_wispr_message *msg = user_data;
 312
 313         msg->current_element = element_name;
 314 }
 315
 316 static void xml_wispr_end_element_handler(GMarkupParseContext *context,
 317                                         const gchar *element_name,
 318                                         gpointer user_data, GError **error)
 319 {
 320         struct connman_wispr_message *msg = user_data;
 321
 322         msg->current_element = NULL;
 323 }
 324
 325 static void xml_wispr_text_handler(GMarkupParseContext *context,
 326                                         const gchar *text, gsize text_len,
 327                                         gpointer user_data, GError **error)
 328 {
 329         struct connman_wispr_message *msg = user_data;
 330         int i;
 331
 332         if (!msg->current_element)
 333                 return;
 334
 335         for (i = 0; wispr_element_map[i].str; i++) {
 336                 if (!g_str_equal(wispr_element_map[i].str, msg->current_element))
 337                         continue;
 338
 339                 switch (wispr_element_map[i].element) {
 340                 case WISPR_ELEMENT_NONE:
 341                 case WISPR_ELEMENT_ACCESS_PROCEDURE:
 342                         g_free(msg->access_procedure);
 343                         msg->access_procedure = g_strdup(text);
 344                         break;
 345                 case WISPR_ELEMENT_ACCESS_LOCATION:
 346                         g_free(msg->access_location);
 347                         msg->access_location = g_strdup(text);
 348                         break;
 349                 case WISPR_ELEMENT_LOCATION_NAME:
 350                         g_free(msg->location_name);
 351                         msg->location_name = g_strdup(text);
 352                         break;
 353                 case WISPR_ELEMENT_LOGIN_URL:
 354                         g_free(msg->login_url);
 355                         msg->login_url = g_strdup(text);
 356                         break;
 357                 case WISPR_ELEMENT_ABORT_LOGIN_URL:
 358                         g_free(msg->abort_login_url);
 359                         msg->abort_login_url = g_strdup(text);
 360                         break;
 361                 case WISPR_ELEMENT_MESSAGE_TYPE:
 362                         msg->message_type = atoi(text);
 363                         break;
 364                 case WISPR_ELEMENT_RESPONSE_CODE:
 365                         msg->response_code = atoi(text);
 366                         break;
 367                 case WISPR_ELEMENT_NEXT_URL:
 368                 case WISPR_ELEMENT_DELAY:
 369                 case WISPR_ELEMENT_REPLY_MESSAGE:
 370                 case WISPR_ELEMENT_LOGIN_RESULTS_URL:
 371                         break;
 372                 case WISPR_ELEMENT_LOGOFF_URL:
 373                         g_free(msg->logoff_url);
 374                         msg->logoff_url = g_strdup(text);
 375                         break;
 376                 }
 377         }
 378 }
 379
 380 static void xml_wispr_error_handler(GMarkupParseContext *context,
 381                                         GError *error, gpointer user_data)
 382 {
 383         struct connman_wispr_message *msg = user_data;
 384
 385         msg->has_error = true;
 386 }
 387
 388 static const GMarkupParser xml_wispr_parser_handlers = {
 389         xml_wispr_start_element_handler,
 390         xml_wispr_end_element_handler,
 391         xml_wispr_text_handler,
 392         NULL,
 393         xml_wispr_error_handler,
 394 };
 395
 396 static void xml_wispr_parser_callback(const char *str, gpointer user_data)
 397 {
 398         struct connman_wispr_portal_context *wp_context = user_data;
 399         GMarkupParseContext *parser_context = NULL;
 400         bool result;
 401
 402         DBG("");
 403
 404         parser_context = g_markup_parse_context_new(&xml_wispr_parser_handlers,
 405                                         G_MARKUP_TREAT_CDATA_AS_TEXT,
 406                                         &(wp_context->wispr_msg), NULL);
 407
 408         result = g_markup_parse_context_parse(parser_context,
 409                                         str, strlen(str), NULL);
 410         if (result)
 411                 g_markup_parse_context_end_parse(parser_context, NULL);
 412
 413         g_markup_parse_context_free(parser_context);
 414 }
 415
 416 static void web_debug(const char *str, void *data)
 417 {
 418         connman_info("%s: %s\n", (const char *) data, str);
 419 }
 420
 421 static void wispr_portal_error(struct connman_wispr_portal_context *wp_context)
 422 {
 423         DBG("Failed to proceed wispr/portal web request");
 424
 425         wp_context->wispr_result = CONNMAN_WISPR_RESULT_FAILED;
 426
 427 #if defined TIZEN_EXT
 428         connman_service_set_internet_connection(wp_context->service, false);
 429 #endif
 430 }
 431
 432 static void portal_manage_status(GWebResult *result,
 433                         struct connman_wispr_portal_context *wp_context)
 434 {
 435         struct connman_service *service = wp_context->service;
 436         enum connman_ipconfig_type type = wp_context->type;
 437         const char *str = NULL;
 438
 439         DBG("");
 440
 441         /* We currently don't do anything with this info */
 442         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 443                                 &str))
 444                 connman_info("Client-IP: %s", str);
 445
 446         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 447                                 &str))
 448                 connman_info("Client-Country: %s", str);
 449
 450         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 451                                 &str))
 452                 connman_info("Client-Region: %s", str);
 453
 454         if (g_web_result_get_header(result, "X-ConnMan-Client-Timezone",
 455                                 &str))
 456                 connman_info("Client-Timezone: %s", str);
 457
 458         if (!enable_online_to_ready_transition)
 459                 free_connman_wispr_portal_context(wp_context);
 460
 461         __connman_service_ipconfig_indicate_state(service,
 462                                         CONNMAN_SERVICE_STATE_ONLINE, type);
 463
 464         if (enable_online_to_ready_transition)
 465                 __connman_service_online_check(service, type, true);
 466 }
 467
 468 static bool wispr_route_request(const char *address, int ai_family,
 469                 int if_index, gpointer user_data)
 470 {
 471         int result = -1;
 472         struct connman_wispr_portal_context *wp_context = user_data;
 473         const char *gateway;
 474         struct wispr_route *route;
 475
 476         gateway = __connman_ipconfig_get_gateway_from_index(if_index,
 477                 wp_context->type);
 478
 479         DBG("address %s if %d gw %s", address, if_index, gateway);
 480
 481         if (!gateway)
 482                 return false;
 483
 484         route = g_try_new0(struct wispr_route, 1);
 485         if (route == 0) {
 486                 DBG("could not create struct");
 487                 return false;
 488         }
 489
 490         switch (wp_context->type) {
 491         case CONNMAN_IPCONFIG_TYPE_IPV4:
 492                 result = connman_inet_add_host_route(if_index, address,
 493                                 gateway);
 494                 break;
 495         case CONNMAN_IPCONFIG_TYPE_IPV6:
 496                 result = connman_inet_add_ipv6_host_route(if_index, address,
 497                                 gateway);
 498                 break;
 499         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 500         case CONNMAN_IPCONFIG_TYPE_ALL:
 501                 break;
 502         }
 503
 504         if (result < 0) {
 505                 g_free(route);
 506                 return false;
 507         }
 508
 509         route->address = g_strdup(address);
 510         route->if_index = if_index;
 511         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 512
 513         return true;
 514 }
 515
 516 static void wispr_portal_request_portal(
 517                 struct connman_wispr_portal_context *wp_context)
 518 {
 519         DBG("");
 520
 521         wp_context->request_id = g_web_request_get(wp_context->web,
 522                                         wp_context->status_url,
 523                                         wispr_portal_web_result,
 524                                         wispr_route_request,
 525                                         wp_context);
 526
 527         if (wp_context->request_id == 0)
 528                 wispr_portal_error(wp_context);
 529 }
 530
 531 static bool wispr_input(const guint8 **data, gsize *length,
 532                                                 gpointer user_data)
 533 {
 534         struct connman_wispr_portal_context *wp_context = user_data;
 535         GString *buf;
 536         gsize count;
 537
 538         DBG("");
 539
 540         buf = g_string_sized_new(100);
 541
 542         g_string_append(buf, "button=Login&UserName=");
 543         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 544                                                                 NULL, FALSE);
 545         g_string_append(buf, "&Password=");
 546         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 547                                                                 NULL, FALSE);
 548         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 549         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 550
 551         count = buf->len;
 552
 553         g_free(wp_context->wispr_formdata);
 554         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 555
 556         *data = (guint8 *) wp_context->wispr_formdata;
 557         *length = count;
 558
 559         return false;
 560 }
 561
 562 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 563                                         bool authentication_done,
 564                                         const char *error, void *user_data)
 565 {
 566         struct connman_wispr_portal_context *wp_context = user_data;
 567         struct connman_wispr_portal *wispr_portal;
 568         int index;
 569
 570         DBG("");
 571
 572         if (!service || !wp_context)
 573                 return;
 574
 575         /*
 576          * No way to cancel this if wp_context has been freed, so we lookup
 577          * from the service and check that this is still the right context.
 578          */
 579         index = __connman_service_get_index(service);
 580         if (index < 0)
 581                 return;
 582
 583         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 584                                         GINT_TO_POINTER(index));
 585         if (!wispr_portal)
 586                 return;
 587
 588         if (wp_context != wispr_portal->ipv4_context &&
 589                 wp_context != wispr_portal->ipv6_context)
 590                 return;
 591
 592         if (!authentication_done) {
 593                 wispr_portal_error(wp_context);
 594                 free_wispr_routes(wp_context);
 595                 return;
 596         }
 597
 598         /* Restarting the test */
 599         __connman_service_wispr_start(service, wp_context->type);
 600 }
 601
 602 static void wispr_portal_request_wispr_login(struct connman_service *service,
 603                                 bool success,
 604                                 const char *ssid, int ssid_len,
 605                                 const char *username, const char *password,
 606                                 bool wps, const char *wpspin,
 607                                 const char *error, void *user_data)
 608 {
 609         struct connman_wispr_portal_context *wp_context = user_data;
 610
 611         DBG("");
 612
 613         if (error) {
 614                 if (g_strcmp0(error,
 615                         "net.connman.Agent.Error.LaunchBrowser") == 0) {
 616                         if (__connman_agent_request_browser(service,
 617                                         wispr_portal_browser_reply_cb,
 618                                         wp_context->redirect_url,
 619                                         wp_context) == -EINPROGRESS)
 620                                 return;
 621                 }
 622
 623                 free_connman_wispr_portal_context(wp_context);
 624                 return;
 625         }
 626
 627         g_free(wp_context->wispr_username);
 628         wp_context->wispr_username = g_strdup(username);
 629
 630         g_free(wp_context->wispr_password);
 631         wp_context->wispr_password = g_strdup(password);
 632
 633         wp_context->request_id = g_web_request_post(wp_context->web,
 634                                         wp_context->wispr_msg.login_url,
 635                                         "application/x-www-form-urlencoded",
 636                                         wispr_input, wispr_portal_web_result,
 637                                         wp_context);
 638
 639         connman_wispr_message_init(&wp_context->wispr_msg);
 640 }
 641
 642 static bool wispr_manage_message(GWebResult *result,
 643                         struct connman_wispr_portal_context *wp_context)
 644 {
 645         DBG("Message type: %s (%d)",
 646                 message_type_to_string(wp_context->wispr_msg.message_type),
 647                                         wp_context->wispr_msg.message_type);
 648         DBG("Response code: %s (%d)",
 649                 response_code_to_string(wp_context->wispr_msg.response_code),
 650                                         wp_context->wispr_msg.response_code);
 651
 652         if (wp_context->wispr_msg.access_procedure)
 653                 DBG("Access procedure: %s",
 654                         wp_context->wispr_msg.access_procedure);
 655         if (wp_context->wispr_msg.access_location)
 656                 DBG("Access location: %s",
 657                         wp_context->wispr_msg.access_location);
 658         if (wp_context->wispr_msg.location_name)
 659                 DBG("Location name: %s",
 660                         wp_context->wispr_msg.location_name);
 661         if (wp_context->wispr_msg.login_url)
 662                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 663         if (wp_context->wispr_msg.abort_login_url)
 664                 DBG("Abort login URL: %s",
 665                         wp_context->wispr_msg.abort_login_url);
 666         if (wp_context->wispr_msg.logoff_url)
 667                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 668
 669         switch (wp_context->wispr_msg.message_type) {
 670         case 100:
 671                 DBG("Login required");
 672
 673                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 674
 675                 if (__connman_agent_request_login_input(wp_context->service,
 676                                         wispr_portal_request_wispr_login,
 677                                         wp_context) != -EINPROGRESS)
 678                         wispr_portal_error(wp_context);
 679                 else
 680                         return true;
 681
 682                 break;
 683         case 120: /* Falling down */
 684         case 140:
 685                 if (wp_context->wispr_msg.response_code == 50) {
 686                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 687
 688                         g_free(wp_context->wispr_username);
 689                         wp_context->wispr_username = NULL;
 690
 691                         g_free(wp_context->wispr_password);
 692                         wp_context->wispr_password = NULL;
 693
 694                         g_free(wp_context->wispr_formdata);
 695                         wp_context->wispr_formdata = NULL;
 696
 697                         wispr_portal_request_portal(wp_context);
 698
 699                         return true;
 700                 } else
 701                         wispr_portal_error(wp_context);
 702
 703                 break;
 704         default:
 705                 break;
 706         }
 707
 708         return false;
 709 }
 710
 711 static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
 712 {
 713         struct connman_wispr_portal_context *wp_context = user_data;
 714         const char *redirect = NULL;
 715         const guint8 *chunk = NULL;
 716         const char *str = NULL;
 717         guint16 status;
 718         gsize length;
 719 #if defined TIZEN_MAINTAIN_ONLINE
 720         static int retried = 0;
 721 #endif
 722
 723         DBG("");
 724
 725         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 726                 g_web_result_get_chunk(result, &chunk, &length);
 727
 728                 if (length > 0) {
 729                         g_web_parser_feed_data(wp_context->wispr_parser,
 730                                                                 chunk, length);
 731                         return true;
 732                 }
 733
 734                 g_web_parser_end_data(wp_context->wispr_parser);
 735
 736                 if (wp_context->wispr_msg.message_type >= 0) {
 737                         if (wispr_manage_message(result, wp_context))
 738                                 goto done;
 739                 }
 740         }
 741
 742         status = g_web_result_get_status(result);
 743
 744         DBG("status: %03u", status);
 745
 746         switch (status) {
 747         case 000:
 748                 __connman_agent_request_browser(wp_context->service,
 749                                 wispr_portal_browser_reply_cb,
 750                                 wp_context->status_url, wp_context);
 751                 break;
 752         case 200:
 753 #if defined TIZEN_MAINTAIN_ONLINE
 754                 retried = 0;
 755 #endif
 756                 if (wp_context->wispr_msg.message_type >= 0)
 757                         break;
 758
 759                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 760                                                 &str)) {
 761                         portal_manage_status(result, wp_context);
 762                         return false;
 763                 } else
 764                         __connman_agent_request_browser(wp_context->service,
 765                                         wispr_portal_browser_reply_cb,
 766                                         wp_context->redirect_url, wp_context);
 767
 768                 break;
 769         case 300:
 770         case 301:
 771         case 302:
 772         case 303:
 773         case 307:
 774         case 308:
 775                 if (!g_web_supports_tls() ||
 776                         !g_web_result_get_header(result, "Location",
 777                                                         &redirect)) {
 778
 779                         __connman_agent_request_browser(wp_context->service,
 780                                         wispr_portal_browser_reply_cb,
 781                                         wp_context->status_url, wp_context);
 782                         break;
 783                 }
 784
 785                 DBG("Redirect URL: %s", redirect);
 786
 787                 wp_context->redirect_url = g_strdup(redirect);
 788
 789                 wp_context->request_id = g_web_request_get(wp_context->web,
 790                                 redirect, wispr_portal_web_result,
 791                                 wispr_route_request, wp_context);
 792
 793                 goto done;
 794         case 400:
 795         case 404:
 796                 __connman_service_online_check(wp_context->service,
 797                                                 wp_context->type, false);
 798 #if defined TIZEN_MAINTAIN_ONLINE
 799                         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 800                                 if (retried == 0) {
 801                                         connman_agent_report_error(wp_context->service,
 802                                                 __connman_service_get_path(wp_context->service),
 803                                                 "internet-unreachable",
 804                                                 NULL, NULL, NULL);
 805
 806                                         retried = 1;
 807                                 }
 808                                 break;
 809                         }
 810 #endif
 811                 break;
 812         case 505:
 813                 __connman_agent_request_browser(wp_context->service,
 814                                 wispr_portal_browser_reply_cb,
 815                                 wp_context->status_url, wp_context);
 816                 break;
 817         default:
 818                 break;
 819         }
 820
 821         free_wispr_routes(wp_context);
 822         wp_context->request_id = 0;
 823 done:
 824         wp_context->wispr_msg.message_type = -1;
 825         return false;
 826 }
 827
 828 static void proxy_callback(const char *proxy, void *user_data)
 829 {
 830         struct connman_wispr_portal_context *wp_context = user_data;
 831
 832         DBG("proxy %s", proxy);
 833
 834         if (!wp_context)
 835                 return;
 836
 837         wp_context->token = 0;
 838
 839         if (proxy && g_strcmp0(proxy, "DIRECT") != 0) {
 840                 if (g_str_has_prefix(proxy, "PROXY")) {
 841                         proxy += 5;
 842                         for (; *proxy == ' ' && *proxy != '\0'; proxy++);
 843                 }
 844                 g_web_set_proxy(wp_context->web, proxy);
 845         }
 846
 847         g_web_set_accept(wp_context->web, NULL);
 848         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 849         g_web_set_close_connection(wp_context->web, TRUE);
 850
 851         connman_wispr_message_init(&wp_context->wispr_msg);
 852
 853         wp_context->wispr_parser = g_web_parser_new(
 854                                         "<WISPAccessGatewayParam",
 855                                         "WISPAccessGatewayParam>",
 856                                         xml_wispr_parser_callback, wp_context);
 857
 858         wispr_portal_request_portal(wp_context);
 859 }
 860
 861 static gboolean no_proxy_callback(gpointer user_data)
 862 {
 863         struct connman_wispr_portal_context *wp_context = user_data;
 864
 865         wp_context->timeout = 0;
 866
 867         proxy_callback("DIRECT", wp_context);
 868
 869         return FALSE;
 870 }
 871
 872 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 873 {
 874         enum connman_service_proxy_method proxy_method;
 875         enum connman_service_type service_type;
 876         char *interface = NULL;
 877         char **nameservers = NULL;
 878         int if_index;
 879         int err = 0;
 880         int i;
 881
 882         DBG("wispr/portal context %p service %p", wp_context,
 883                 wp_context->service);
 884
 885         service_type = connman_service_get_type(wp_context->service);
 886
 887         switch (service_type) {
 888         case CONNMAN_SERVICE_TYPE_ETHERNET:
 889         case CONNMAN_SERVICE_TYPE_WIFI:
 890         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 891         case CONNMAN_SERVICE_TYPE_CELLULAR:
 892         case CONNMAN_SERVICE_TYPE_GADGET:
 893                 break;
 894         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 895         case CONNMAN_SERVICE_TYPE_SYSTEM:
 896         case CONNMAN_SERVICE_TYPE_GPS:
 897         case CONNMAN_SERVICE_TYPE_VPN:
 898         case CONNMAN_SERVICE_TYPE_P2P:
 899 #if defined TIZEN_EXT_WIFI_MESH
 900         case CONNMAN_SERVICE_TYPE_MESH:
 901 #endif
 902                 return -EOPNOTSUPP;
 903         }
 904
 905         interface = connman_service_get_interface(wp_context->service);
 906         if (!interface)
 907                 return -EINVAL;
 908
 909         DBG("interface %s", interface);
 910
 911         if_index = connman_inet_ifindex(interface);
 912         if (if_index < 0) {
 913                 DBG("Could not get ifindex");
 914                 err = -EINVAL;
 915                 goto done;
 916         }
 917
 918         nameservers = connman_service_get_nameservers(wp_context->service);
 919         if (!nameservers) {
 920                 DBG("Could not get nameservers");
 921                 err = -EINVAL;
 922                 goto done;
 923         }
 924
 925         wp_context->web = g_web_new(if_index);
 926         if (!wp_context->web) {
 927                 DBG("Could not set up GWeb");
 928                 err = -ENOMEM;
 929                 goto done;
 930         }
 931
 932 #if !defined TIZEN_EXT
 933         if (getenv("CONNMAN_WEB_DEBUG"))
 934 #endif
 935                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 936
 937         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 938                 g_web_set_address_family(wp_context->web, AF_INET);
 939                 wp_context->status_url = online_check_ipv4_url;
 940         } else {
 941                 g_web_set_address_family(wp_context->web, AF_INET6);
 942                 wp_context->status_url = online_check_ipv6_url;
 943         }
 944
 945         for (i = 0; nameservers[i]; i++)
 946                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 947
 948         proxy_method = connman_service_get_proxy_method(wp_context->service);
 949
 950         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 951                 wp_context->token = connman_proxy_lookup(interface,
 952                                                 wp_context->status_url,
 953                                                 wp_context->service,
 954                                                 proxy_callback, wp_context);
 955
 956                 if (wp_context->token == 0) {
 957                         err = -EINVAL;
 958                         free_connman_wispr_portal_context(wp_context);
 959                 }
 960         } else if (wp_context->timeout == 0) {
 961                 wp_context->timeout = g_idle_add(no_proxy_callback, wp_context);
 962         }
 963
 964 done:
 965         g_strfreev(nameservers);
 966
 967         g_free(interface);
 968         return err;
 969 }
 970
 971 int __connman_wispr_start(struct connman_service *service,
 972                                         enum connman_ipconfig_type type)
 973 {
 974         struct connman_wispr_portal_context *wp_context = NULL;
 975         struct connman_wispr_portal *wispr_portal = NULL;
 976         int index;
 977
 978         DBG("service %p", service);
 979
 980 #if defined TIZEN_EXT
 981         if (connman_service_get_type(service) == CONNMAN_SERVICE_TYPE_CELLULAR)
 982                 return -EPERM;
 983 #endif
 984
 985         if (!wispr_portal_list)
 986                 return -EINVAL;
 987
 988         index = __connman_service_get_index(service);
 989         if (index < 0)
 990                 return -EINVAL;
 991
 992         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 993                                         GINT_TO_POINTER(index));
 994         if (!wispr_portal) {
 995                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 996                 if (!wispr_portal)
 997                         return -ENOMEM;
 998
 999                 g_hash_table_replace(wispr_portal_list,
1000                                         GINT_TO_POINTER(index), wispr_portal);
1001         }
1002
1003         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1004                 wp_context = wispr_portal->ipv4_context;
1005         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1006                 wp_context = wispr_portal->ipv6_context;
1007         else
1008                 return -EINVAL;
1009
1010         /* If there is already an existing context, we wipe it */
1011         if (wp_context)
1012                 free_connman_wispr_portal_context(wp_context);
1013
1014         wp_context = create_wispr_portal_context();
1015         if (!wp_context)
1016                 return -ENOMEM;
1017
1018         wp_context->service = service;
1019         wp_context->type = type;
1020         wp_context->wispr_portal = wispr_portal;
1021
1022         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1023                 wispr_portal->ipv4_context = wp_context;
1024         else
1025                 wispr_portal->ipv6_context = wp_context;
1026
1027         return wispr_portal_detect(wp_context);
1028 }
1029
1030 void __connman_wispr_stop(struct connman_service *service)
1031 {
1032         struct connman_wispr_portal *wispr_portal;
1033         int index;
1034
1035         DBG("service %p", service);
1036
1037         if (!wispr_portal_list)
1038                 return;
1039
1040         index = __connman_service_get_index(service);
1041         if (index < 0)
1042                 return;
1043
1044         wispr_portal = g_hash_table_lookup(wispr_portal_list,
1045                                         GINT_TO_POINTER(index));
1046         if (!wispr_portal)
1047                 return;
1048
1049         if ((wispr_portal->ipv4_context &&
1050              service == wispr_portal->ipv4_context->service) ||
1051             (wispr_portal->ipv6_context &&
1052              service == wispr_portal->ipv6_context->service))
1053                 g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
1054 }
1055
1056 int __connman_wispr_init(void)
1057 {
1058         DBG("");
1059
1060         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
1061                                                 g_direct_equal, NULL,
1062                                                 free_connman_wispr_portal);
1063
1064         online_check_ipv4_url =
1065                 connman_setting_get_string("OnlineCheckIPv4URL");
1066         online_check_ipv6_url =
1067                 connman_setting_get_string("OnlineCheckIPv6URL");
1068
1069         enable_online_to_ready_transition =
1070                 connman_setting_get_bool("EnableOnlineToReadyTransition");
1071
1072         return 0;
1073 }
1074
1075 void __connman_wispr_cleanup(void)
1076 {
1077         DBG("");
1078
1079         g_hash_table_destroy(wispr_portal_list);
1080         wispr_portal_list = NULL;
1081 }