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         if (TIZEN_INS_ENABLED)
 429                 connman_service_set_internet_connection(wp_context->service, false);
 430 #endif
 431 }
 432
 433 static void portal_manage_status(GWebResult *result,
 434                         struct connman_wispr_portal_context *wp_context)
 435 {
 436         struct connman_service *service = wp_context->service;
 437         enum connman_ipconfig_type type = wp_context->type;
 438         const char *str = NULL;
 439
 440         DBG("");
 441
 442         /* We currently don't do anything with this info */
 443         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 444                                 &str))
 445                 connman_info("Client-IP: %s", str);
 446
 447         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 448                                 &str))
 449                 connman_info("Client-Country: %s", str);
 450
 451         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 452                                 &str))
 453                 connman_info("Client-Region: %s", str);
 454
 455         if (g_web_result_get_header(result, "X-ConnMan-Client-Timezone",
 456                                 &str))
 457                 connman_info("Client-Timezone: %s", str);
 458
 459         if (!enable_online_to_ready_transition)
 460                 free_connman_wispr_portal_context(wp_context);
 461
 462         __connman_service_ipconfig_indicate_state(service,
 463                                         CONNMAN_SERVICE_STATE_ONLINE, type);
 464
 465         if (enable_online_to_ready_transition)
 466                 __connman_service_online_check(service, type, true);
 467 }
 468
 469 static bool wispr_route_request(const char *address, int ai_family,
 470                 int if_index, gpointer user_data)
 471 {
 472         int result = -1;
 473         struct connman_wispr_portal_context *wp_context = user_data;
 474         const char *gateway;
 475         struct wispr_route *route;
 476
 477         gateway = __connman_ipconfig_get_gateway_from_index(if_index,
 478                 wp_context->type);
 479
 480         DBG("address %s if %d gw %s", address, if_index, gateway);
 481
 482         if (!gateway)
 483                 return false;
 484
 485         route = g_try_new0(struct wispr_route, 1);
 486         if (route == 0) {
 487                 DBG("could not create struct");
 488                 return false;
 489         }
 490
 491         switch (wp_context->type) {
 492         case CONNMAN_IPCONFIG_TYPE_IPV4:
 493                 result = connman_inet_add_host_route(if_index, address,
 494                                 gateway);
 495                 break;
 496         case CONNMAN_IPCONFIG_TYPE_IPV6:
 497                 result = connman_inet_add_ipv6_host_route(if_index, address,
 498                                 gateway);
 499                 break;
 500         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 501         case CONNMAN_IPCONFIG_TYPE_ALL:
 502                 break;
 503         }
 504
 505         if (result < 0) {
 506                 g_free(route);
 507                 return false;
 508         }
 509
 510         route->address = g_strdup(address);
 511         route->if_index = if_index;
 512         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 513
 514         return true;
 515 }
 516
 517 static void wispr_portal_request_portal(
 518                 struct connman_wispr_portal_context *wp_context)
 519 {
 520         DBG("");
 521
 522         wp_context->request_id = g_web_request_get(wp_context->web,
 523                                         wp_context->status_url,
 524                                         wispr_portal_web_result,
 525                                         wispr_route_request,
 526                                         wp_context);
 527
 528         if (wp_context->request_id == 0)
 529                 wispr_portal_error(wp_context);
 530 }
 531
 532 static bool wispr_input(const guint8 **data, gsize *length,
 533                                                 gpointer user_data)
 534 {
 535         struct connman_wispr_portal_context *wp_context = user_data;
 536         GString *buf;
 537         gsize count;
 538
 539         DBG("");
 540
 541         buf = g_string_sized_new(100);
 542
 543         g_string_append(buf, "button=Login&UserName=");
 544         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 545                                                                 NULL, FALSE);
 546         g_string_append(buf, "&Password=");
 547         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 548                                                                 NULL, FALSE);
 549         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 550         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 551
 552         count = buf->len;
 553
 554         g_free(wp_context->wispr_formdata);
 555         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 556
 557         *data = (guint8 *) wp_context->wispr_formdata;
 558         *length = count;
 559
 560         return false;
 561 }
 562
 563 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 564                                         bool authentication_done,
 565                                         const char *error, void *user_data)
 566 {
 567         struct connman_wispr_portal_context *wp_context = user_data;
 568         struct connman_wispr_portal *wispr_portal;
 569         int index;
 570
 571         DBG("");
 572
 573         if (!service || !wp_context)
 574                 return;
 575
 576         /*
 577          * No way to cancel this if wp_context has been freed, so we lookup
 578          * from the service and check that this is still the right context.
 579          */
 580         index = __connman_service_get_index(service);
 581         if (index < 0)
 582                 return;
 583
 584         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 585                                         GINT_TO_POINTER(index));
 586         if (!wispr_portal)
 587                 return;
 588
 589         if (wp_context != wispr_portal->ipv4_context &&
 590                 wp_context != wispr_portal->ipv6_context)
 591                 return;
 592
 593         if (!authentication_done) {
 594                 wispr_portal_error(wp_context);
 595                 free_wispr_routes(wp_context);
 596                 return;
 597         }
 598
 599         /* Restarting the test */
 600         __connman_service_wispr_start(service, wp_context->type);
 601 }
 602
 603 static void wispr_portal_request_wispr_login(struct connman_service *service,
 604                                 bool success,
 605                                 const char *ssid, int ssid_len,
 606                                 const char *username, const char *password,
 607                                 bool wps, const char *wpspin,
 608                                 const char *error, void *user_data)
 609 {
 610         struct connman_wispr_portal_context *wp_context = user_data;
 611
 612         DBG("");
 613
 614         if (error) {
 615                 if (g_strcmp0(error,
 616                         "net.connman.Agent.Error.LaunchBrowser") == 0) {
 617                         if (__connman_agent_request_browser(service,
 618                                         wispr_portal_browser_reply_cb,
 619                                         wp_context->redirect_url,
 620                                         wp_context) == -EINPROGRESS)
 621                                 return;
 622                 }
 623
 624                 free_connman_wispr_portal_context(wp_context);
 625                 return;
 626         }
 627
 628         g_free(wp_context->wispr_username);
 629         wp_context->wispr_username = g_strdup(username);
 630
 631         g_free(wp_context->wispr_password);
 632         wp_context->wispr_password = g_strdup(password);
 633
 634         wp_context->request_id = g_web_request_post(wp_context->web,
 635                                         wp_context->wispr_msg.login_url,
 636                                         "application/x-www-form-urlencoded",
 637                                         wispr_input, wispr_portal_web_result,
 638                                         wp_context);
 639
 640         connman_wispr_message_init(&wp_context->wispr_msg);
 641 }
 642
 643 static bool wispr_manage_message(GWebResult *result,
 644                         struct connman_wispr_portal_context *wp_context)
 645 {
 646         DBG("Message type: %s (%d)",
 647                 message_type_to_string(wp_context->wispr_msg.message_type),
 648                                         wp_context->wispr_msg.message_type);
 649         DBG("Response code: %s (%d)",
 650                 response_code_to_string(wp_context->wispr_msg.response_code),
 651                                         wp_context->wispr_msg.response_code);
 652
 653         if (wp_context->wispr_msg.access_procedure)
 654                 DBG("Access procedure: %s",
 655                         wp_context->wispr_msg.access_procedure);
 656         if (wp_context->wispr_msg.access_location)
 657                 DBG("Access location: %s",
 658                         wp_context->wispr_msg.access_location);
 659         if (wp_context->wispr_msg.location_name)
 660                 DBG("Location name: %s",
 661                         wp_context->wispr_msg.location_name);
 662         if (wp_context->wispr_msg.login_url)
 663                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 664         if (wp_context->wispr_msg.abort_login_url)
 665                 DBG("Abort login URL: %s",
 666                         wp_context->wispr_msg.abort_login_url);
 667         if (wp_context->wispr_msg.logoff_url)
 668                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 669
 670         switch (wp_context->wispr_msg.message_type) {
 671         case 100:
 672                 DBG("Login required");
 673
 674                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 675
 676                 if (__connman_agent_request_login_input(wp_context->service,
 677                                         wispr_portal_request_wispr_login,
 678                                         wp_context) != -EINPROGRESS)
 679                         wispr_portal_error(wp_context);
 680                 else
 681                         return true;
 682
 683                 break;
 684         case 120: /* Falling down */
 685         case 140:
 686                 if (wp_context->wispr_msg.response_code == 50) {
 687                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 688
 689                         g_free(wp_context->wispr_username);
 690                         wp_context->wispr_username = NULL;
 691
 692                         g_free(wp_context->wispr_password);
 693                         wp_context->wispr_password = NULL;
 694
 695                         g_free(wp_context->wispr_formdata);
 696                         wp_context->wispr_formdata = NULL;
 697
 698                         wispr_portal_request_portal(wp_context);
 699
 700                         return true;
 701                 } else
 702                         wispr_portal_error(wp_context);
 703
 704                 break;
 705         default:
 706                 break;
 707         }
 708
 709         return false;
 710 }
 711
 712 static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
 713 {
 714         struct connman_wispr_portal_context *wp_context = user_data;
 715         const char *redirect = NULL;
 716         const guint8 *chunk = NULL;
 717         const char *str = NULL;
 718         guint16 status;
 719         gsize length;
 720 #if defined TIZEN_MAINTAIN_ONLINE
 721         static int retried = 0;
 722 #endif
 723
 724         DBG("");
 725
 726         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 727                 g_web_result_get_chunk(result, &chunk, &length);
 728
 729                 if (length > 0) {
 730                         g_web_parser_feed_data(wp_context->wispr_parser,
 731                                                                 chunk, length);
 732                         return true;
 733                 }
 734
 735                 g_web_parser_end_data(wp_context->wispr_parser);
 736
 737                 if (wp_context->wispr_msg.message_type >= 0) {
 738                         if (wispr_manage_message(result, wp_context))
 739                                 goto done;
 740                 }
 741         }
 742
 743         status = g_web_result_get_status(result);
 744
 745         DBG("status: %03u", status);
 746
 747         switch (status) {
 748         case 000:
 749                 __connman_agent_request_browser(wp_context->service,
 750                                 wispr_portal_browser_reply_cb,
 751                                 wp_context->status_url, wp_context);
 752                 break;
 753         case 200:
 754 #if defined TIZEN_MAINTAIN_ONLINE
 755                 retried = 0;
 756 #endif
 757                 if (wp_context->wispr_msg.message_type >= 0)
 758                         break;
 759
 760                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 761                                                 &str)) {
 762                         portal_manage_status(result, wp_context);
 763                         return false;
 764                 } else
 765                         __connman_agent_request_browser(wp_context->service,
 766                                         wispr_portal_browser_reply_cb,
 767                                         wp_context->redirect_url, wp_context);
 768
 769                 break;
 770         case 300:
 771         case 301:
 772         case 302:
 773         case 303:
 774         case 307:
 775         case 308:
 776                 if (!g_web_supports_tls() ||
 777                         !g_web_result_get_header(result, "Location",
 778                                                         &redirect)) {
 779
 780                         __connman_agent_request_browser(wp_context->service,
 781                                         wispr_portal_browser_reply_cb,
 782                                         wp_context->status_url, wp_context);
 783                         break;
 784                 }
 785
 786                 DBG("Redirect URL: %s", redirect);
 787
 788                 wp_context->redirect_url = g_strdup(redirect);
 789
 790                 wp_context->request_id = g_web_request_get(wp_context->web,
 791                                 redirect, wispr_portal_web_result,
 792                                 wispr_route_request, wp_context);
 793
 794                 goto done;
 795         case 400:
 796         case 404:
 797                 __connman_service_online_check(wp_context->service,
 798                                                 wp_context->type, false);
 799 #if defined TIZEN_MAINTAIN_ONLINE
 800                         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 801                                 if (retried == 0) {
 802                                         connman_agent_report_error(wp_context->service,
 803                                                 __connman_service_get_path(wp_context->service),
 804                                                 "internet-unreachable",
 805                                                 NULL, NULL, NULL);
 806
 807                                         retried = 1;
 808                                 }
 809                                 break;
 810                         }
 811 #endif
 812                 break;
 813         case 505:
 814                 __connman_agent_request_browser(wp_context->service,
 815                                 wispr_portal_browser_reply_cb,
 816                                 wp_context->status_url, wp_context);
 817                 break;
 818         default:
 819                 break;
 820         }
 821
 822         free_wispr_routes(wp_context);
 823         wp_context->request_id = 0;
 824 done:
 825         wp_context->wispr_msg.message_type = -1;
 826         return false;
 827 }
 828
 829 static void proxy_callback(const char *proxy, void *user_data)
 830 {
 831         struct connman_wispr_portal_context *wp_context = user_data;
 832
 833         DBG("proxy %s", proxy);
 834
 835         if (!wp_context)
 836                 return;
 837
 838         wp_context->token = 0;
 839
 840         if (proxy && g_strcmp0(proxy, "DIRECT") != 0) {
 841                 if (g_str_has_prefix(proxy, "PROXY")) {
 842                         proxy += 5;
 843                         for (; *proxy == ' ' && *proxy != '\0'; proxy++);
 844                 }
 845                 g_web_set_proxy(wp_context->web, proxy);
 846         }
 847
 848         g_web_set_accept(wp_context->web, NULL);
 849         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 850         g_web_set_close_connection(wp_context->web, TRUE);
 851
 852         connman_wispr_message_init(&wp_context->wispr_msg);
 853
 854         wp_context->wispr_parser = g_web_parser_new(
 855                                         "<WISPAccessGatewayParam",
 856                                         "WISPAccessGatewayParam>",
 857                                         xml_wispr_parser_callback, wp_context);
 858
 859         wispr_portal_request_portal(wp_context);
 860 }
 861
 862 static gboolean no_proxy_callback(gpointer user_data)
 863 {
 864         struct connman_wispr_portal_context *wp_context = user_data;
 865
 866         wp_context->timeout = 0;
 867
 868         proxy_callback("DIRECT", wp_context);
 869
 870         return FALSE;
 871 }
 872
 873 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 874 {
 875         enum connman_service_proxy_method proxy_method;
 876         enum connman_service_type service_type;
 877         char *interface = NULL;
 878         char **nameservers = NULL;
 879         int if_index;
 880         int err = 0;
 881         int i;
 882
 883         DBG("wispr/portal context %p service %p", wp_context,
 884                 wp_context->service);
 885
 886         service_type = connman_service_get_type(wp_context->service);
 887
 888         switch (service_type) {
 889         case CONNMAN_SERVICE_TYPE_ETHERNET:
 890         case CONNMAN_SERVICE_TYPE_WIFI:
 891         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 892         case CONNMAN_SERVICE_TYPE_CELLULAR:
 893         case CONNMAN_SERVICE_TYPE_GADGET:
 894                 break;
 895         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 896         case CONNMAN_SERVICE_TYPE_SYSTEM:
 897         case CONNMAN_SERVICE_TYPE_GPS:
 898         case CONNMAN_SERVICE_TYPE_VPN:
 899         case CONNMAN_SERVICE_TYPE_P2P:
 900 #if defined TIZEN_EXT_WIFI_MESH
 901         case CONNMAN_SERVICE_TYPE_MESH:
 902 #endif
 903                 return -EOPNOTSUPP;
 904         }
 905
 906         interface = connman_service_get_interface(wp_context->service);
 907         if (!interface)
 908                 return -EINVAL;
 909
 910         DBG("interface %s", interface);
 911
 912         if_index = connman_inet_ifindex(interface);
 913         if (if_index < 0) {
 914                 DBG("Could not get ifindex");
 915                 err = -EINVAL;
 916                 goto done;
 917         }
 918
 919         nameservers = connman_service_get_nameservers(wp_context->service);
 920         if (!nameservers) {
 921                 DBG("Could not get nameservers");
 922                 err = -EINVAL;
 923                 goto done;
 924         }
 925
 926         wp_context->web = g_web_new(if_index);
 927         if (!wp_context->web) {
 928                 DBG("Could not set up GWeb");
 929                 err = -ENOMEM;
 930                 goto done;
 931         }
 932
 933 #if !defined TIZEN_EXT
 934         if (getenv("CONNMAN_WEB_DEBUG"))
 935 #endif
 936                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 937
 938         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 939                 g_web_set_address_family(wp_context->web, AF_INET);
 940                 wp_context->status_url = online_check_ipv4_url;
 941         } else {
 942                 g_web_set_address_family(wp_context->web, AF_INET6);
 943                 wp_context->status_url = online_check_ipv6_url;
 944         }
 945
 946         for (i = 0; nameservers[i]; i++)
 947                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 948
 949         proxy_method = connman_service_get_proxy_method(wp_context->service);
 950
 951         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 952                 wp_context->token = connman_proxy_lookup(interface,
 953                                                 wp_context->status_url,
 954                                                 wp_context->service,
 955                                                 proxy_callback, wp_context);
 956
 957                 if (wp_context->token == 0) {
 958                         err = -EINVAL;
 959                         free_connman_wispr_portal_context(wp_context);
 960                 }
 961         } else if (wp_context->timeout == 0) {
 962                 wp_context->timeout = g_idle_add(no_proxy_callback, wp_context);
 963         }
 964
 965 done:
 966         g_strfreev(nameservers);
 967
 968         g_free(interface);
 969         return err;
 970 }
 971
 972 int __connman_wispr_start(struct connman_service *service,
 973                                         enum connman_ipconfig_type type)
 974 {
 975         struct connman_wispr_portal_context *wp_context = NULL;
 976         struct connman_wispr_portal *wispr_portal = NULL;
 977         int index;
 978
 979         DBG("service %p", service);
 980
 981 #if defined TIZEN_EXT
 982         if (connman_service_get_type(service) == CONNMAN_SERVICE_TYPE_CELLULAR)
 983                 return -EPERM;
 984 #endif
 985
 986         if (!wispr_portal_list)
 987                 return -EINVAL;
 988
 989         index = __connman_service_get_index(service);
 990         if (index < 0)
 991                 return -EINVAL;
 992
 993         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 994                                         GINT_TO_POINTER(index));
 995         if (!wispr_portal) {
 996                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 997                 if (!wispr_portal)
 998                         return -ENOMEM;
 999
1000                 g_hash_table_replace(wispr_portal_list,
1001                                         GINT_TO_POINTER(index), wispr_portal);
1002         }
1003
1004         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1005                 wp_context = wispr_portal->ipv4_context;
1006         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1007                 wp_context = wispr_portal->ipv6_context;
1008         else
1009                 return -EINVAL;
1010
1011         /* If there is already an existing context, we wipe it */
1012         if (wp_context)
1013                 free_connman_wispr_portal_context(wp_context);
1014
1015         wp_context = create_wispr_portal_context();
1016         if (!wp_context)
1017                 return -ENOMEM;
1018
1019         wp_context->service = service;
1020         wp_context->type = type;
1021         wp_context->wispr_portal = wispr_portal;
1022
1023         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1024                 wispr_portal->ipv4_context = wp_context;
1025         else
1026                 wispr_portal->ipv6_context = wp_context;
1027
1028         return wispr_portal_detect(wp_context);
1029 }
1030
1031 void __connman_wispr_stop(struct connman_service *service)
1032 {
1033         struct connman_wispr_portal *wispr_portal;
1034         int index;
1035
1036         DBG("service %p", service);
1037
1038         if (!wispr_portal_list)
1039                 return;
1040
1041         index = __connman_service_get_index(service);
1042         if (index < 0)
1043                 return;
1044
1045         wispr_portal = g_hash_table_lookup(wispr_portal_list,
1046                                         GINT_TO_POINTER(index));
1047         if (!wispr_portal)
1048                 return;
1049
1050         if ((wispr_portal->ipv4_context &&
1051              service == wispr_portal->ipv4_context->service) ||
1052             (wispr_portal->ipv6_context &&
1053              service == wispr_portal->ipv6_context->service))
1054                 g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
1055 }
1056
1057 int __connman_wispr_init(void)
1058 {
1059         DBG("");
1060
1061         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
1062                                                 g_direct_equal, NULL,
1063                                                 free_connman_wispr_portal);
1064
1065         online_check_ipv4_url =
1066                 connman_setting_get_string("OnlineCheckIPv4URL");
1067         online_check_ipv6_url =
1068                 connman_setting_get_string("OnlineCheckIPv6URL");
1069
1070         enable_online_to_ready_transition =
1071                 connman_setting_get_bool("EnableOnlineToReadyTransition");
1072
1073         return 0;
1074 }
1075
1076 void __connman_wispr_cleanup(void)
1077 {
1078         DBG("");
1079
1080         g_hash_table_destroy(wispr_portal_list);
1081         wispr_portal_list = NULL;
1082 }