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 #define STATUS_URL_IPV4  "http://ipv4.connman.net/online/status.html"
  34 #define STATUS_URL_IPV6  "http://ipv6.connman.net/online/status.html"
  35
  36 struct connman_wispr_message {
  37         bool has_error;
  38         const char *current_element;
  39         int message_type;
  40         int response_code;
  41         char *login_url;
  42         char *abort_login_url;
  43         char *logoff_url;
  44         char *access_procedure;
  45         char *access_location;
  46         char *location_name;
  47 };
  48
  49 enum connman_wispr_result {
  50         CONNMAN_WISPR_RESULT_UNKNOWN = 0,
  51         CONNMAN_WISPR_RESULT_LOGIN   = 1,
  52         CONNMAN_WISPR_RESULT_ONLINE  = 2,
  53         CONNMAN_WISPR_RESULT_FAILED  = 3,
  54 };
  55
  56 struct wispr_route {
  57         char *address;
  58         int if_index;
  59 };
  60
  61 struct connman_wispr_portal_context {
  62         struct connman_service *service;
  63         enum connman_ipconfig_type type;
  64         struct connman_wispr_portal *wispr_portal;
  65
  66         /* Portal/WISPr common */
  67         GWeb *web;
  68         unsigned int token;
  69         guint request_id;
  70
  71         const char *status_url;
  72
  73         char *redirect_url;
  74
  75         /* WISPr specific */
  76         GWebParser *wispr_parser;
  77         struct connman_wispr_message wispr_msg;
  78
  79         char *wispr_username;
  80         char *wispr_password;
  81         char *wispr_formdata;
  82
  83         enum connman_wispr_result wispr_result;
  84
  85         GSList *route_list;
  86
  87         guint timeout;
  88 };
  89
  90 struct connman_wispr_portal {
  91         struct connman_wispr_portal_context *ipv4_context;
  92         struct connman_wispr_portal_context *ipv6_context;
  93 };
  94
  95 static bool wispr_portal_web_result(GWebResult *result, gpointer user_data);
  96
  97 static GHashTable *wispr_portal_list = NULL;
  98
  99 static void connman_wispr_message_init(struct connman_wispr_message *msg)
 100 {
 101         DBG("");
 102
 103         msg->has_error = false;
 104         msg->current_element = NULL;
 105
 106         msg->message_type = -1;
 107         msg->response_code = -1;
 108
 109         g_free(msg->login_url);
 110         msg->login_url = NULL;
 111
 112         g_free(msg->abort_login_url);
 113         msg->abort_login_url = NULL;
 114
 115         g_free(msg->logoff_url);
 116         msg->logoff_url = NULL;
 117
 118         g_free(msg->access_procedure);
 119         msg->access_procedure = NULL;
 120
 121         g_free(msg->access_location);
 122         msg->access_location = NULL;
 123
 124         g_free(msg->location_name);
 125         msg->location_name = NULL;
 126 }
 127
 128 static void free_wispr_routes(struct connman_wispr_portal_context *wp_context)
 129 {
 130         while (wp_context->route_list) {
 131                 struct wispr_route *route = wp_context->route_list->data;
 132
 133                 DBG("free route to %s if %d type %d", route->address,
 134                                 route->if_index, wp_context->type);
 135
 136                 switch (wp_context->type) {
 137                 case CONNMAN_IPCONFIG_TYPE_IPV4:
 138                         connman_inet_del_host_route(route->if_index,
 139                                         route->address);
 140                         break;
 141                 case CONNMAN_IPCONFIG_TYPE_IPV6:
 142                         connman_inet_del_ipv6_host_route(route->if_index,
 143                                         route->address);
 144                         break;
 145                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 146                 case CONNMAN_IPCONFIG_TYPE_ALL:
 147                         break;
 148                 }
 149
 150                 g_free(route->address);
 151                 g_free(route);
 152
 153                 wp_context->route_list =
 154                         g_slist_delete_link(wp_context->route_list,
 155                                         wp_context->route_list);
 156         }
 157 }
 158
 159 static void free_connman_wispr_portal_context(
 160                 struct connman_wispr_portal_context *wp_context)
 161 {
 162         DBG("context %p", wp_context);
 163
 164         if (!wp_context)
 165                 return;
 166
 167         if (wp_context->wispr_portal) {
 168                 if (wp_context->wispr_portal->ipv4_context == wp_context)
 169                         wp_context->wispr_portal->ipv4_context = NULL;
 170
 171                 if (wp_context->wispr_portal->ipv6_context == wp_context)
 172                         wp_context->wispr_portal->ipv6_context = NULL;
 173         }
 174
 175         if (wp_context->token > 0)
 176                 connman_proxy_lookup_cancel(wp_context->token);
 177
 178         if (wp_context->request_id > 0)
 179                 g_web_cancel_request(wp_context->web, wp_context->request_id);
 180
 181         if (wp_context->timeout > 0)
 182                 g_source_remove(wp_context->timeout);
 183
 184         if (wp_context->web)
 185                 g_web_unref(wp_context->web);
 186
 187         g_free(wp_context->redirect_url);
 188
 189         if (wp_context->wispr_parser)
 190                 g_web_parser_unref(wp_context->wispr_parser);
 191
 192         connman_wispr_message_init(&wp_context->wispr_msg);
 193
 194         g_free(wp_context->wispr_username);
 195         g_free(wp_context->wispr_password);
 196         g_free(wp_context->wispr_formdata);
 197
 198         free_wispr_routes(wp_context);
 199
 200         g_free(wp_context);
 201 }
 202
 203 static struct connman_wispr_portal_context *create_wispr_portal_context(void)
 204 {
 205         return g_try_new0(struct connman_wispr_portal_context, 1);
 206 }
 207
 208 static void free_connman_wispr_portal(gpointer data)
 209 {
 210         struct connman_wispr_portal *wispr_portal = data;
 211
 212         DBG("");
 213
 214         if (!wispr_portal)
 215                 return;
 216
 217         free_connman_wispr_portal_context(wispr_portal->ipv4_context);
 218         free_connman_wispr_portal_context(wispr_portal->ipv6_context);
 219
 220         g_free(wispr_portal);
 221 }
 222
 223 static const char *message_type_to_string(int message_type)
 224 {
 225         switch (message_type) {
 226         case 100:
 227                 return "Initial redirect message";
 228         case 110:
 229                 return "Proxy notification";
 230         case 120:
 231                 return "Authentication notification";
 232         case 130:
 233                 return "Logoff notification";
 234         case 140:
 235                 return "Response to Authentication Poll";
 236         case 150:
 237                 return "Response to Abort Login";
 238         }
 239
 240         return NULL;
 241 }
 242
 243 static const char *response_code_to_string(int response_code)
 244 {
 245         switch (response_code) {
 246         case 0:
 247                 return "No error";
 248         case 50:
 249                 return "Login succeeded";
 250         case 100:
 251                 return "Login failed";
 252         case 102:
 253                 return "RADIUS server error/timeout";
 254         case 105:
 255                 return "RADIUS server not enabled";
 256         case 150:
 257                 return "Logoff succeeded";
 258         case 151:
 259                 return "Login aborted";
 260         case 200:
 261                 return "Proxy detection/repeat operation";
 262         case 201:
 263                 return "Authentication pending";
 264         case 255:
 265                 return "Access gateway internal error";
 266         }
 267
 268         return NULL;
 269 }
 270
 271 static struct {
 272         const char *str;
 273         enum {
 274                 WISPR_ELEMENT_NONE              = 0,
 275                 WISPR_ELEMENT_ACCESS_PROCEDURE  = 1,
 276                 WISPR_ELEMENT_ACCESS_LOCATION   = 2,
 277                 WISPR_ELEMENT_LOCATION_NAME     = 3,
 278                 WISPR_ELEMENT_LOGIN_URL         = 4,
 279                 WISPR_ELEMENT_ABORT_LOGIN_URL   = 5,
 280                 WISPR_ELEMENT_MESSAGE_TYPE      = 6,
 281                 WISPR_ELEMENT_RESPONSE_CODE     = 7,
 282                 WISPR_ELEMENT_NEXT_URL          = 8,
 283                 WISPR_ELEMENT_DELAY             = 9,
 284                 WISPR_ELEMENT_REPLY_MESSAGE     = 10,
 285                 WISPR_ELEMENT_LOGIN_RESULTS_URL = 11,
 286                 WISPR_ELEMENT_LOGOFF_URL        = 12,
 287         } element;
 288 } wispr_element_map[] = {
 289         { "AccessProcedure",    WISPR_ELEMENT_ACCESS_PROCEDURE  },
 290         { "AccessLocation",     WISPR_ELEMENT_ACCESS_LOCATION   },
 291         { "LocationName",       WISPR_ELEMENT_LOCATION_NAME     },
 292         { "LoginURL",           WISPR_ELEMENT_LOGIN_URL         },
 293         { "AbortLoginURL",      WISPR_ELEMENT_ABORT_LOGIN_URL   },
 294         { "MessageType",        WISPR_ELEMENT_MESSAGE_TYPE      },
 295         { "ResponseCode",       WISPR_ELEMENT_RESPONSE_CODE     },
 296         { "NextURL",            WISPR_ELEMENT_NEXT_URL          },
 297         { "Delay",              WISPR_ELEMENT_DELAY             },
 298         { "ReplyMessage",       WISPR_ELEMENT_REPLY_MESSAGE     },
 299         { "LoginResultsURL",    WISPR_ELEMENT_LOGIN_RESULTS_URL },
 300         { "LogoffURL",          WISPR_ELEMENT_LOGOFF_URL        },
 301         { NULL,                 WISPR_ELEMENT_NONE              },
 302 };
 303
 304 static void xml_wispr_start_element_handler(GMarkupParseContext *context,
 305                                         const gchar *element_name,
 306                                         const gchar **attribute_names,
 307                                         const gchar **attribute_values,
 308                                         gpointer user_data, GError **error)
 309 {
 310         struct connman_wispr_message *msg = user_data;
 311
 312         msg->current_element = element_name;
 313 }
 314
 315 static void xml_wispr_end_element_handler(GMarkupParseContext *context,
 316                                         const gchar *element_name,
 317                                         gpointer user_data, GError **error)
 318 {
 319         struct connman_wispr_message *msg = user_data;
 320
 321         msg->current_element = NULL;
 322 }
 323
 324 static void xml_wispr_text_handler(GMarkupParseContext *context,
 325                                         const gchar *text, gsize text_len,
 326                                         gpointer user_data, GError **error)
 327 {
 328         struct connman_wispr_message *msg = user_data;
 329         int i;
 330
 331         if (!msg->current_element)
 332                 return;
 333
 334         for (i = 0; wispr_element_map[i].str; i++) {
 335                 if (!g_str_equal(wispr_element_map[i].str, msg->current_element))
 336                         continue;
 337
 338                 switch (wispr_element_map[i].element) {
 339                 case WISPR_ELEMENT_NONE:
 340                 case WISPR_ELEMENT_ACCESS_PROCEDURE:
 341                         g_free(msg->access_procedure);
 342                         msg->access_procedure = g_strdup(text);
 343                         break;
 344                 case WISPR_ELEMENT_ACCESS_LOCATION:
 345                         g_free(msg->access_location);
 346                         msg->access_location = g_strdup(text);
 347                         break;
 348                 case WISPR_ELEMENT_LOCATION_NAME:
 349                         g_free(msg->location_name);
 350                         msg->location_name = g_strdup(text);
 351                         break;
 352                 case WISPR_ELEMENT_LOGIN_URL:
 353                         g_free(msg->login_url);
 354                         msg->login_url = g_strdup(text);
 355                         break;
 356                 case WISPR_ELEMENT_ABORT_LOGIN_URL:
 357                         g_free(msg->abort_login_url);
 358                         msg->abort_login_url = g_strdup(text);
 359                         break;
 360                 case WISPR_ELEMENT_MESSAGE_TYPE:
 361                         msg->message_type = atoi(text);
 362                         break;
 363                 case WISPR_ELEMENT_RESPONSE_CODE:
 364                         msg->response_code = atoi(text);
 365                         break;
 366                 case WISPR_ELEMENT_NEXT_URL:
 367                 case WISPR_ELEMENT_DELAY:
 368                 case WISPR_ELEMENT_REPLY_MESSAGE:
 369                 case WISPR_ELEMENT_LOGIN_RESULTS_URL:
 370                         break;
 371                 case WISPR_ELEMENT_LOGOFF_URL:
 372                         g_free(msg->logoff_url);
 373                         msg->logoff_url = g_strdup(text);
 374                         break;
 375                 }
 376         }
 377 }
 378
 379 static void xml_wispr_error_handler(GMarkupParseContext *context,
 380                                         GError *error, gpointer user_data)
 381 {
 382         struct connman_wispr_message *msg = user_data;
 383
 384         msg->has_error = true;
 385 }
 386
 387 static const GMarkupParser xml_wispr_parser_handlers = {
 388         xml_wispr_start_element_handler,
 389         xml_wispr_end_element_handler,
 390         xml_wispr_text_handler,
 391         NULL,
 392         xml_wispr_error_handler,
 393 };
 394
 395 static void xml_wispr_parser_callback(const char *str, gpointer user_data)
 396 {
 397         struct connman_wispr_portal_context *wp_context = user_data;
 398         GMarkupParseContext *parser_context = NULL;
 399         bool result;
 400
 401         DBG("");
 402
 403         parser_context = g_markup_parse_context_new(&xml_wispr_parser_handlers,
 404                                         G_MARKUP_TREAT_CDATA_AS_TEXT,
 405                                         &(wp_context->wispr_msg), NULL);
 406
 407         result = g_markup_parse_context_parse(parser_context,
 408                                         str, strlen(str), NULL);
 409         if (result)
 410                 g_markup_parse_context_end_parse(parser_context, NULL);
 411
 412         g_markup_parse_context_free(parser_context);
 413 }
 414
 415 static void web_debug(const char *str, void *data)
 416 {
 417         connman_info("%s: %s\n", (const char *) data, str);
 418 }
 419
 420 static void wispr_portal_error(struct connman_wispr_portal_context *wp_context)
 421 {
 422         DBG("Failed to proceed wispr/portal web request");
 423
 424         wp_context->wispr_result = CONNMAN_WISPR_RESULT_FAILED;
 425
 426 #if defined TIZEN_EXT
 427         connman_service_set_internet_connection(wp_context->service, false);
 428 #endif
 429 }
 430
 431 static void portal_manage_status(GWebResult *result,
 432                         struct connman_wispr_portal_context *wp_context)
 433 {
 434         struct connman_service *service = wp_context->service;
 435         enum connman_ipconfig_type type = wp_context->type;
 436         const char *str = NULL;
 437
 438         DBG("");
 439
 440         /* We currently don't do anything with this info */
 441         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 442                                 &str))
 443                 connman_info("Client-IP: %s", str);
 444
 445         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 446                                 &str))
 447                 connman_info("Client-Country: %s", str);
 448
 449         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 450                                 &str))
 451                 connman_info("Client-Region: %s", str);
 452
 453         if (g_web_result_get_header(result, "X-ConnMan-Client-Timezone",
 454                                 &str))
 455                 connman_info("Client-Timezone: %s", str);
 456
 457         free_connman_wispr_portal_context(wp_context);
 458
 459         __connman_service_ipconfig_indicate_state(service,
 460                                         CONNMAN_SERVICE_STATE_ONLINE, type);
 461 }
 462
 463 static bool wispr_route_request(const char *address, int ai_family,
 464                 int if_index, gpointer user_data)
 465 {
 466         int result = -1;
 467         struct connman_wispr_portal_context *wp_context = user_data;
 468         const char *gateway;
 469         struct wispr_route *route;
 470
 471         gateway = __connman_ipconfig_get_gateway_from_index(if_index,
 472                 wp_context->type);
 473
 474         DBG("address %s if %d gw %s", address, if_index, gateway);
 475
 476         if (!gateway)
 477                 return false;
 478
 479         route = g_try_new0(struct wispr_route, 1);
 480         if (route == 0) {
 481                 DBG("could not create struct");
 482                 return false;
 483         }
 484
 485         switch (wp_context->type) {
 486         case CONNMAN_IPCONFIG_TYPE_IPV4:
 487                 result = connman_inet_add_host_route(if_index, address,
 488                                 gateway);
 489                 break;
 490         case CONNMAN_IPCONFIG_TYPE_IPV6:
 491                 result = connman_inet_add_ipv6_host_route(if_index, address,
 492                                 gateway);
 493                 break;
 494         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 495         case CONNMAN_IPCONFIG_TYPE_ALL:
 496                 break;
 497         }
 498
 499         if (result < 0) {
 500                 g_free(route);
 501                 return false;
 502         }
 503
 504         route->address = g_strdup(address);
 505         route->if_index = if_index;
 506         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 507
 508         return true;
 509 }
 510
 511 static void wispr_portal_request_portal(
 512                 struct connman_wispr_portal_context *wp_context)
 513 {
 514         DBG("");
 515
 516         wp_context->request_id = g_web_request_get(wp_context->web,
 517                                         wp_context->status_url,
 518                                         wispr_portal_web_result,
 519                                         wispr_route_request,
 520                                         wp_context);
 521
 522         if (wp_context->request_id == 0)
 523                 wispr_portal_error(wp_context);
 524 }
 525
 526 static bool wispr_input(const guint8 **data, gsize *length,
 527                                                 gpointer user_data)
 528 {
 529         struct connman_wispr_portal_context *wp_context = user_data;
 530         GString *buf;
 531         gsize count;
 532
 533         DBG("");
 534
 535         buf = g_string_sized_new(100);
 536
 537         g_string_append(buf, "button=Login&UserName=");
 538         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 539                                                                 NULL, FALSE);
 540         g_string_append(buf, "&Password=");
 541         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 542                                                                 NULL, FALSE);
 543         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 544         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 545
 546         count = buf->len;
 547
 548         g_free(wp_context->wispr_formdata);
 549         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 550
 551         *data = (guint8 *) wp_context->wispr_formdata;
 552         *length = count;
 553
 554         return false;
 555 }
 556
 557 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 558                                         bool authentication_done,
 559                                         const char *error, void *user_data)
 560 {
 561         struct connman_wispr_portal_context *wp_context = user_data;
 562
 563         DBG("");
 564
 565         if (!service || !wp_context)
 566                 return;
 567
 568         if (!authentication_done) {
 569                 wispr_portal_error(wp_context);
 570                 free_wispr_routes(wp_context);
 571                 return;
 572         }
 573
 574         /* Restarting the test */
 575         __connman_service_wispr_start(service, wp_context->type);
 576 }
 577
 578 static void wispr_portal_request_wispr_login(struct connman_service *service,
 579                                 bool success,
 580                                 const char *ssid, int ssid_len,
 581                                 const char *username, const char *password,
 582                                 bool wps, const char *wpspin,
 583                                 const char *error, void *user_data)
 584 {
 585         struct connman_wispr_portal_context *wp_context = user_data;
 586
 587         DBG("");
 588
 589         if (error) {
 590                 if (g_strcmp0(error,
 591                         "net.connman.Agent.Error.LaunchBrowser") == 0) {
 592                         if (__connman_agent_request_browser(service,
 593                                         wispr_portal_browser_reply_cb,
 594                                         wp_context->redirect_url,
 595                                         wp_context) == -EINPROGRESS)
 596                                 return;
 597                 }
 598
 599                 free_connman_wispr_portal_context(wp_context);
 600                 return;
 601         }
 602
 603         g_free(wp_context->wispr_username);
 604         wp_context->wispr_username = g_strdup(username);
 605
 606         g_free(wp_context->wispr_password);
 607         wp_context->wispr_password = g_strdup(password);
 608
 609         wp_context->request_id = g_web_request_post(wp_context->web,
 610                                         wp_context->wispr_msg.login_url,
 611                                         "application/x-www-form-urlencoded",
 612                                         wispr_input, wispr_portal_web_result,
 613                                         wp_context);
 614
 615         connman_wispr_message_init(&wp_context->wispr_msg);
 616 }
 617
 618 static bool wispr_manage_message(GWebResult *result,
 619                         struct connman_wispr_portal_context *wp_context)
 620 {
 621         DBG("Message type: %s (%d)",
 622                 message_type_to_string(wp_context->wispr_msg.message_type),
 623                                         wp_context->wispr_msg.message_type);
 624         DBG("Response code: %s (%d)",
 625                 response_code_to_string(wp_context->wispr_msg.response_code),
 626                                         wp_context->wispr_msg.response_code);
 627
 628         if (wp_context->wispr_msg.access_procedure)
 629                 DBG("Access procedure: %s",
 630                         wp_context->wispr_msg.access_procedure);
 631         if (wp_context->wispr_msg.access_location)
 632                 DBG("Access location: %s",
 633                         wp_context->wispr_msg.access_location);
 634         if (wp_context->wispr_msg.location_name)
 635                 DBG("Location name: %s",
 636                         wp_context->wispr_msg.location_name);
 637         if (wp_context->wispr_msg.login_url)
 638                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 639         if (wp_context->wispr_msg.abort_login_url)
 640                 DBG("Abort login URL: %s",
 641                         wp_context->wispr_msg.abort_login_url);
 642         if (wp_context->wispr_msg.logoff_url)
 643                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 644
 645         switch (wp_context->wispr_msg.message_type) {
 646         case 100:
 647                 DBG("Login required");
 648
 649                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 650
 651                 if (__connman_agent_request_login_input(wp_context->service,
 652                                         wispr_portal_request_wispr_login,
 653                                         wp_context) != -EINPROGRESS)
 654                         wispr_portal_error(wp_context);
 655                 else
 656                         return true;
 657
 658                 break;
 659         case 120: /* Falling down */
 660         case 140:
 661                 if (wp_context->wispr_msg.response_code == 50) {
 662                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 663
 664                         g_free(wp_context->wispr_username);
 665                         wp_context->wispr_username = NULL;
 666
 667                         g_free(wp_context->wispr_password);
 668                         wp_context->wispr_password = NULL;
 669
 670                         g_free(wp_context->wispr_formdata);
 671                         wp_context->wispr_formdata = NULL;
 672
 673                         wispr_portal_request_portal(wp_context);
 674
 675                         return true;
 676                 } else
 677                         wispr_portal_error(wp_context);
 678
 679                 break;
 680         default:
 681                 break;
 682         }
 683
 684         return false;
 685 }
 686
 687 static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
 688 {
 689         struct connman_wispr_portal_context *wp_context = user_data;
 690         const char *redirect = NULL;
 691         const guint8 *chunk = NULL;
 692         const char *str = NULL;
 693         guint16 status;
 694         gsize length;
 695 #if defined TIZEN_MAINTAIN_ONLINE
 696         static int retried = 0;
 697 #endif
 698
 699         DBG("");
 700
 701         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 702                 g_web_result_get_chunk(result, &chunk, &length);
 703
 704                 if (length > 0) {
 705                         g_web_parser_feed_data(wp_context->wispr_parser,
 706                                                                 chunk, length);
 707                         return true;
 708                 }
 709
 710                 g_web_parser_end_data(wp_context->wispr_parser);
 711
 712                 if (wp_context->wispr_msg.message_type >= 0) {
 713                         if (wispr_manage_message(result, wp_context))
 714                                 goto done;
 715                 }
 716         }
 717
 718         status = g_web_result_get_status(result);
 719
 720         DBG("status: %03u", status);
 721
 722         switch (status) {
 723         case 000:
 724                 __connman_agent_request_browser(wp_context->service,
 725                                 wispr_portal_browser_reply_cb,
 726                                 wp_context->status_url, wp_context);
 727                 break;
 728         case 200:
 729 #if defined TIZEN_MAINTAIN_ONLINE
 730                 retried = 0;
 731 #endif
 732                 if (wp_context->wispr_msg.message_type >= 0)
 733                         break;
 734
 735                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 736                                                 &str)) {
 737                         portal_manage_status(result, wp_context);
 738                         return false;
 739                 } else
 740                         __connman_agent_request_browser(wp_context->service,
 741                                         wispr_portal_browser_reply_cb,
 742                                         wp_context->redirect_url, wp_context);
 743
 744                 break;
 745         case 302:
 746                 if (!g_web_supports_tls() ||
 747                         !g_web_result_get_header(result, "Location",
 748                                                         &redirect)) {
 749
 750                         __connman_agent_request_browser(wp_context->service,
 751                                         wispr_portal_browser_reply_cb,
 752                                         wp_context->status_url, wp_context);
 753                         break;
 754                 }
 755
 756                 DBG("Redirect URL: %s", redirect);
 757
 758                 wp_context->redirect_url = g_strdup(redirect);
 759
 760                 wp_context->request_id = g_web_request_get(wp_context->web,
 761                                 redirect, wispr_portal_web_result,
 762                                 wispr_route_request, wp_context);
 763
 764                 goto done;
 765         case 400:
 766         case 404:
 767                 if (__connman_service_online_check_failed(wp_context->service,
 768                                                 wp_context->type) == 0) {
 769 #if defined TIZEN_MAINTAIN_ONLINE
 770                         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 771                                 if (retried == 0) {
 772                                         connman_agent_report_error(wp_context->service,
 773                                                 __connman_service_get_path(wp_context->service),
 774                                                 "internet-unreachable",
 775                                                 NULL, NULL, NULL);
 776
 777                                         retried = 1;
 778                                 }
 779                                 break;
 780                         }
 781 #endif
 782                         wispr_portal_error(wp_context);
 783                         free_connman_wispr_portal_context(wp_context);
 784                         return false;
 785                 }
 786
 787                 break;
 788         case 505:
 789                 __connman_agent_request_browser(wp_context->service,
 790                                 wispr_portal_browser_reply_cb,
 791                                 wp_context->status_url, wp_context);
 792                 break;
 793         default:
 794                 break;
 795         }
 796
 797         free_wispr_routes(wp_context);
 798         wp_context->request_id = 0;
 799 done:
 800         wp_context->wispr_msg.message_type = -1;
 801         return false;
 802 }
 803
 804 static void proxy_callback(const char *proxy, void *user_data)
 805 {
 806         struct connman_wispr_portal_context *wp_context = user_data;
 807
 808         DBG("proxy %s", proxy);
 809
 810         if (!wp_context)
 811                 return;
 812
 813         wp_context->token = 0;
 814
 815         if (proxy && g_strcmp0(proxy, "DIRECT") != 0) {
 816                 if (g_str_has_prefix(proxy, "PROXY")) {
 817                         proxy += 5;
 818                         for (; *proxy == ' ' && *proxy != '\0'; proxy++);
 819                 }
 820                 g_web_set_proxy(wp_context->web, proxy);
 821         }
 822
 823         g_web_set_accept(wp_context->web, NULL);
 824         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 825         g_web_set_close_connection(wp_context->web, TRUE);
 826
 827         connman_wispr_message_init(&wp_context->wispr_msg);
 828
 829         wp_context->wispr_parser = g_web_parser_new(
 830                                         "<WISPAccessGatewayParam",
 831                                         "WISPAccessGatewayParam>",
 832                                         xml_wispr_parser_callback, wp_context);
 833
 834         wispr_portal_request_portal(wp_context);
 835 }
 836
 837 static gboolean no_proxy_callback(gpointer user_data)
 838 {
 839         struct connman_wispr_portal_context *wp_context = user_data;
 840
 841         wp_context->timeout = 0;
 842
 843         proxy_callback("DIRECT", wp_context);
 844
 845         return FALSE;
 846 }
 847
 848 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 849 {
 850         enum connman_service_proxy_method proxy_method;
 851         enum connman_service_type service_type;
 852         char *interface = NULL;
 853         char **nameservers = NULL;
 854         int if_index;
 855         int err = 0;
 856         int i;
 857
 858         DBG("wispr/portal context %p service %p", wp_context,
 859                 wp_context->service);
 860
 861         service_type = connman_service_get_type(wp_context->service);
 862
 863         switch (service_type) {
 864         case CONNMAN_SERVICE_TYPE_ETHERNET:
 865         case CONNMAN_SERVICE_TYPE_WIFI:
 866         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 867         case CONNMAN_SERVICE_TYPE_CELLULAR:
 868         case CONNMAN_SERVICE_TYPE_GADGET:
 869                 break;
 870         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 871         case CONNMAN_SERVICE_TYPE_SYSTEM:
 872         case CONNMAN_SERVICE_TYPE_GPS:
 873         case CONNMAN_SERVICE_TYPE_VPN:
 874         case CONNMAN_SERVICE_TYPE_P2P:
 875 #if defined TIZEN_EXT_WIFI_MESH
 876         case CONNMAN_SERVICE_TYPE_MESH:
 877 #endif
 878                 return -EOPNOTSUPP;
 879         }
 880
 881         interface = connman_service_get_interface(wp_context->service);
 882         if (!interface)
 883                 return -EINVAL;
 884
 885         DBG("interface %s", interface);
 886
 887         if_index = connman_inet_ifindex(interface);
 888         if (if_index < 0) {
 889                 DBG("Could not get ifindex");
 890                 err = -EINVAL;
 891                 goto done;
 892         }
 893
 894         nameservers = connman_service_get_nameservers(wp_context->service);
 895         if (!nameservers) {
 896                 DBG("Could not get nameservers");
 897                 err = -EINVAL;
 898                 goto done;
 899         }
 900
 901         wp_context->web = g_web_new(if_index);
 902         if (!wp_context->web) {
 903                 DBG("Could not set up GWeb");
 904                 err = -ENOMEM;
 905                 goto done;
 906         }
 907
 908 #if !defined TIZEN_EXT
 909         if (getenv("CONNMAN_WEB_DEBUG"))
 910 #endif
 911                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 912
 913         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 914                 g_web_set_address_family(wp_context->web, AF_INET);
 915                 wp_context->status_url = STATUS_URL_IPV4;
 916         } else {
 917                 g_web_set_address_family(wp_context->web, AF_INET6);
 918                 wp_context->status_url = STATUS_URL_IPV6;
 919         }
 920
 921         for (i = 0; nameservers[i]; i++)
 922                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 923
 924         proxy_method = connman_service_get_proxy_method(wp_context->service);
 925
 926         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 927                 wp_context->token = connman_proxy_lookup(interface,
 928                                                 wp_context->status_url,
 929                                                 wp_context->service,
 930                                                 proxy_callback, wp_context);
 931
 932                 if (wp_context->token == 0) {
 933                         err = -EINVAL;
 934                         free_connman_wispr_portal_context(wp_context);
 935                 }
 936         } else if (wp_context->timeout == 0) {
 937                 wp_context->timeout = g_idle_add(no_proxy_callback, wp_context);
 938         }
 939
 940 done:
 941         g_strfreev(nameservers);
 942
 943         g_free(interface);
 944         return err;
 945 }
 946
 947 int __connman_wispr_start(struct connman_service *service,
 948                                         enum connman_ipconfig_type type)
 949 {
 950         struct connman_wispr_portal_context *wp_context = NULL;
 951         struct connman_wispr_portal *wispr_portal = NULL;
 952         int index;
 953
 954         DBG("service %p", service);
 955
 956 #if defined TIZEN_EXT
 957         if (connman_service_get_type(service) == CONNMAN_SERVICE_TYPE_CELLULAR)
 958                 return -EPERM;
 959 #endif
 960
 961         if (!wispr_portal_list)
 962                 return -EINVAL;
 963
 964         index = __connman_service_get_index(service);
 965         if (index < 0)
 966                 return -EINVAL;
 967
 968         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 969                                         GINT_TO_POINTER(index));
 970         if (!wispr_portal) {
 971                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 972                 if (!wispr_portal)
 973                         return -ENOMEM;
 974
 975                 g_hash_table_replace(wispr_portal_list,
 976                                         GINT_TO_POINTER(index), wispr_portal);
 977         }
 978
 979         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 980                 wp_context = wispr_portal->ipv4_context;
 981         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 982                 wp_context = wispr_portal->ipv6_context;
 983         else
 984                 return -EINVAL;
 985
 986         /* If there is already an existing context, we wipe it */
 987         if (wp_context)
 988                 free_connman_wispr_portal_context(wp_context);
 989
 990         wp_context = create_wispr_portal_context();
 991         if (!wp_context)
 992                 return -ENOMEM;
 993
 994         wp_context->service = service;
 995         wp_context->type = type;
 996         wp_context->wispr_portal = wispr_portal;
 997
 998         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 999                 wispr_portal->ipv4_context = wp_context;
1000         else
1001                 wispr_portal->ipv6_context = wp_context;
1002
1003         return wispr_portal_detect(wp_context);
1004 }
1005
1006 void __connman_wispr_stop(struct connman_service *service)
1007 {
1008         int index;
1009
1010         DBG("service %p", service);
1011
1012         if (!wispr_portal_list)
1013                 return;
1014
1015         index = __connman_service_get_index(service);
1016         if (index < 0)
1017                 return;
1018
1019         g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
1020 }
1021
1022 int __connman_wispr_init(void)
1023 {
1024         DBG("");
1025
1026         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
1027                                                 g_direct_equal, NULL,
1028                                                 free_connman_wispr_portal);
1029
1030         return 0;
1031 }
1032
1033 void __connman_wispr_cleanup(void)
1034 {
1035         DBG("");
1036
1037         g_hash_table_destroy(wispr_portal_list);
1038         wispr_portal_list = NULL;
1039 }