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
 427 static void portal_manage_status(GWebResult *result,
 428                         struct connman_wispr_portal_context *wp_context)
 429 {
 430         struct connman_service *service = wp_context->service;
 431         enum connman_ipconfig_type type = wp_context->type;
 432         const char *str = NULL;
 433
 434         DBG("");
 435
 436         /* We currently don't do anything with this info */
 437         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 438                                 &str))
 439                 connman_info("Client-IP: %s", str);
 440
 441         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 442                                 &str))
 443                 connman_info("Client-Country: %s", str);
 444
 445         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 446                                 &str))
 447                 connman_info("Client-Region: %s", str);
 448
 449         if (g_web_result_get_header(result, "X-ConnMan-Client-Timezone",
 450                                 &str))
 451                 connman_info("Client-Timezone: %s", str);
 452
 453         free_connman_wispr_portal_context(wp_context);
 454
 455         __connman_service_ipconfig_indicate_state(service,
 456                                         CONNMAN_SERVICE_STATE_ONLINE, type);
 457 }
 458
 459 static bool wispr_route_request(const char *address, int ai_family,
 460                 int if_index, gpointer user_data)
 461 {
 462         int result = -1;
 463         struct connman_wispr_portal_context *wp_context = user_data;
 464         const char *gateway;
 465         struct wispr_route *route;
 466
 467         gateway = __connman_ipconfig_get_gateway_from_index(if_index,
 468                 wp_context->type);
 469
 470         DBG("address %s if %d gw %s", address, if_index, gateway);
 471
 472         if (!gateway)
 473                 return false;
 474
 475         route = g_try_new0(struct wispr_route, 1);
 476         if (route == 0) {
 477                 DBG("could not create struct");
 478                 return false;
 479         }
 480
 481         switch (wp_context->type) {
 482         case CONNMAN_IPCONFIG_TYPE_IPV4:
 483                 result = connman_inet_add_host_route(if_index, address,
 484                                 gateway);
 485                 break;
 486         case CONNMAN_IPCONFIG_TYPE_IPV6:
 487                 result = connman_inet_add_ipv6_host_route(if_index, address,
 488                                 gateway);
 489                 break;
 490         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 491         case CONNMAN_IPCONFIG_TYPE_ALL:
 492                 break;
 493         }
 494
 495         if (result < 0) {
 496                 g_free(route);
 497                 return false;
 498         }
 499
 500         route->address = g_strdup(address);
 501         route->if_index = if_index;
 502         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 503
 504         return true;
 505 }
 506
 507 static void wispr_portal_request_portal(
 508                 struct connman_wispr_portal_context *wp_context)
 509 {
 510         DBG("");
 511
 512         wp_context->request_id = g_web_request_get(wp_context->web,
 513                                         wp_context->status_url,
 514                                         wispr_portal_web_result,
 515                                         wispr_route_request,
 516                                         wp_context);
 517
 518         if (wp_context->request_id == 0)
 519                 wispr_portal_error(wp_context);
 520 }
 521
 522 static bool wispr_input(const guint8 **data, gsize *length,
 523                                                 gpointer user_data)
 524 {
 525         struct connman_wispr_portal_context *wp_context = user_data;
 526         GString *buf;
 527         gsize count;
 528
 529         DBG("");
 530
 531         buf = g_string_sized_new(100);
 532
 533         g_string_append(buf, "button=Login&UserName=");
 534         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 535                                                                 NULL, FALSE);
 536         g_string_append(buf, "&Password=");
 537         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 538                                                                 NULL, FALSE);
 539         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 540         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 541
 542         count = buf->len;
 543
 544         g_free(wp_context->wispr_formdata);
 545         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 546
 547         *data = (guint8 *) wp_context->wispr_formdata;
 548         *length = count;
 549
 550         return false;
 551 }
 552
 553 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 554                                         bool authentication_done,
 555                                         const char *error, void *user_data)
 556 {
 557         struct connman_wispr_portal_context *wp_context = user_data;
 558         struct connman_wispr_portal *wispr_portal;
 559         int index;
 560
 561         DBG("");
 562
 563         if (!service || !wp_context)
 564                 return;
 565
 566         /*
 567          * No way to cancel this if wp_context has been freed, so we lookup
 568          * from the service and check that this is still the right context.
 569          */
 570         index = __connman_service_get_index(service);
 571         if (index < 0)
 572                 return;
 573
 574         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 575                                         GINT_TO_POINTER(index));
 576         if (!wispr_portal)
 577                 return;
 578
 579         if (wp_context != wispr_portal->ipv4_context &&
 580                 wp_context != wispr_portal->ipv6_context)
 581                 return;
 582
 583         if (!authentication_done) {
 584                 wispr_portal_error(wp_context);
 585                 free_wispr_routes(wp_context);
 586                 return;
 587         }
 588
 589         /* Restarting the test */
 590         __connman_service_wispr_start(service, wp_context->type);
 591 }
 592
 593 static void wispr_portal_request_wispr_login(struct connman_service *service,
 594                                 bool success,
 595                                 const char *ssid, int ssid_len,
 596                                 const char *username, const char *password,
 597                                 bool wps, const char *wpspin,
 598                                 const char *error, void *user_data)
 599 {
 600         struct connman_wispr_portal_context *wp_context = user_data;
 601
 602         DBG("");
 603
 604         if (error) {
 605                 if (g_strcmp0(error,
 606                         "net.connman.Agent.Error.LaunchBrowser") == 0) {
 607                         if (__connman_agent_request_browser(service,
 608                                         wispr_portal_browser_reply_cb,
 609                                         wp_context->redirect_url,
 610                                         wp_context) == -EINPROGRESS)
 611                                 return;
 612                 }
 613
 614                 free_connman_wispr_portal_context(wp_context);
 615                 return;
 616         }
 617
 618         g_free(wp_context->wispr_username);
 619         wp_context->wispr_username = g_strdup(username);
 620
 621         g_free(wp_context->wispr_password);
 622         wp_context->wispr_password = g_strdup(password);
 623
 624         wp_context->request_id = g_web_request_post(wp_context->web,
 625                                         wp_context->wispr_msg.login_url,
 626                                         "application/x-www-form-urlencoded",
 627                                         wispr_input, wispr_portal_web_result,
 628                                         wp_context);
 629
 630         connman_wispr_message_init(&wp_context->wispr_msg);
 631 }
 632
 633 static bool wispr_manage_message(GWebResult *result,
 634                         struct connman_wispr_portal_context *wp_context)
 635 {
 636         DBG("Message type: %s (%d)",
 637                 message_type_to_string(wp_context->wispr_msg.message_type),
 638                                         wp_context->wispr_msg.message_type);
 639         DBG("Response code: %s (%d)",
 640                 response_code_to_string(wp_context->wispr_msg.response_code),
 641                                         wp_context->wispr_msg.response_code);
 642
 643         if (wp_context->wispr_msg.access_procedure)
 644                 DBG("Access procedure: %s",
 645                         wp_context->wispr_msg.access_procedure);
 646         if (wp_context->wispr_msg.access_location)
 647                 DBG("Access location: %s",
 648                         wp_context->wispr_msg.access_location);
 649         if (wp_context->wispr_msg.location_name)
 650                 DBG("Location name: %s",
 651                         wp_context->wispr_msg.location_name);
 652         if (wp_context->wispr_msg.login_url)
 653                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 654         if (wp_context->wispr_msg.abort_login_url)
 655                 DBG("Abort login URL: %s",
 656                         wp_context->wispr_msg.abort_login_url);
 657         if (wp_context->wispr_msg.logoff_url)
 658                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 659
 660         switch (wp_context->wispr_msg.message_type) {
 661         case 100:
 662                 DBG("Login required");
 663
 664                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 665
 666                 if (__connman_agent_request_login_input(wp_context->service,
 667                                         wispr_portal_request_wispr_login,
 668                                         wp_context) != -EINPROGRESS)
 669                         wispr_portal_error(wp_context);
 670                 else
 671                         return true;
 672
 673                 break;
 674         case 120: /* Falling down */
 675         case 140:
 676                 if (wp_context->wispr_msg.response_code == 50) {
 677                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 678
 679                         g_free(wp_context->wispr_username);
 680                         wp_context->wispr_username = NULL;
 681
 682                         g_free(wp_context->wispr_password);
 683                         wp_context->wispr_password = NULL;
 684
 685                         g_free(wp_context->wispr_formdata);
 686                         wp_context->wispr_formdata = NULL;
 687
 688                         wispr_portal_request_portal(wp_context);
 689
 690                         return true;
 691                 } else
 692                         wispr_portal_error(wp_context);
 693
 694                 break;
 695         default:
 696                 break;
 697         }
 698
 699         return false;
 700 }
 701
 702 static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
 703 {
 704         struct connman_wispr_portal_context *wp_context = user_data;
 705         const char *redirect = NULL;
 706         const guint8 *chunk = NULL;
 707         const char *str = NULL;
 708         guint16 status;
 709         gsize length;
 710
 711         DBG("");
 712
 713         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 714                 g_web_result_get_chunk(result, &chunk, &length);
 715
 716                 if (length > 0) {
 717                         g_web_parser_feed_data(wp_context->wispr_parser,
 718                                                                 chunk, length);
 719                         return true;
 720                 }
 721
 722                 g_web_parser_end_data(wp_context->wispr_parser);
 723
 724                 if (wp_context->wispr_msg.message_type >= 0) {
 725                         if (wispr_manage_message(result, wp_context))
 726                                 goto done;
 727                 }
 728         }
 729
 730         status = g_web_result_get_status(result);
 731
 732         DBG("status: %03u", status);
 733
 734         switch (status) {
 735         case 000:
 736                 __connman_agent_request_browser(wp_context->service,
 737                                 wispr_portal_browser_reply_cb,
 738                                 wp_context->status_url, wp_context);
 739                 break;
 740         case 200:
 741                 if (wp_context->wispr_msg.message_type >= 0)
 742                         break;
 743
 744                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 745                                                 &str)) {
 746                         portal_manage_status(result, wp_context);
 747                         return false;
 748                 } else
 749                         __connman_agent_request_browser(wp_context->service,
 750                                         wispr_portal_browser_reply_cb,
 751                                         wp_context->redirect_url, wp_context);
 752
 753                 break;
 754         case 302:
 755                 if (!g_web_supports_tls() ||
 756                         !g_web_result_get_header(result, "Location",
 757                                                         &redirect)) {
 758
 759                         __connman_agent_request_browser(wp_context->service,
 760                                         wispr_portal_browser_reply_cb,
 761                                         wp_context->status_url, wp_context);
 762                         break;
 763                 }
 764
 765                 DBG("Redirect URL: %s", redirect);
 766
 767                 wp_context->redirect_url = g_strdup(redirect);
 768
 769                 wp_context->request_id = g_web_request_get(wp_context->web,
 770                                 redirect, wispr_portal_web_result,
 771                                 wispr_route_request, wp_context);
 772
 773                 goto done;
 774         case 400:
 775         case 404:
 776                 if (__connman_service_online_check_failed(wp_context->service,
 777                                                 wp_context->type) == 0) {
 778                         wispr_portal_error(wp_context);
 779                         free_connman_wispr_portal_context(wp_context);
 780                         return false;
 781                 }
 782
 783                 break;
 784         case 505:
 785                 __connman_agent_request_browser(wp_context->service,
 786                                 wispr_portal_browser_reply_cb,
 787                                 wp_context->status_url, wp_context);
 788                 break;
 789         default:
 790                 break;
 791         }
 792
 793         free_wispr_routes(wp_context);
 794         wp_context->request_id = 0;
 795 done:
 796         wp_context->wispr_msg.message_type = -1;
 797         return false;
 798 }
 799
 800 static void proxy_callback(const char *proxy, void *user_data)
 801 {
 802         struct connman_wispr_portal_context *wp_context = user_data;
 803
 804         DBG("proxy %s", proxy);
 805
 806         if (!wp_context)
 807                 return;
 808
 809         wp_context->token = 0;
 810
 811         if (proxy && g_strcmp0(proxy, "DIRECT") != 0) {
 812                 if (g_str_has_prefix(proxy, "PROXY")) {
 813                         proxy += 5;
 814                         for (; *proxy == ' ' && *proxy != '\0'; proxy++);
 815                 }
 816                 g_web_set_proxy(wp_context->web, proxy);
 817         }
 818
 819         g_web_set_accept(wp_context->web, NULL);
 820         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 821         g_web_set_close_connection(wp_context->web, TRUE);
 822
 823         connman_wispr_message_init(&wp_context->wispr_msg);
 824
 825         wp_context->wispr_parser = g_web_parser_new(
 826                                         "<WISPAccessGatewayParam",
 827                                         "WISPAccessGatewayParam>",
 828                                         xml_wispr_parser_callback, wp_context);
 829
 830         wispr_portal_request_portal(wp_context);
 831 }
 832
 833 static gboolean no_proxy_callback(gpointer user_data)
 834 {
 835         struct connman_wispr_portal_context *wp_context = user_data;
 836
 837         wp_context->timeout = 0;
 838
 839         proxy_callback("DIRECT", wp_context);
 840
 841         return FALSE;
 842 }
 843
 844 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 845 {
 846         enum connman_service_proxy_method proxy_method;
 847         enum connman_service_type service_type;
 848         char *interface = NULL;
 849         char **nameservers = NULL;
 850         int if_index;
 851         int err = 0;
 852         int i;
 853
 854         DBG("wispr/portal context %p service %p", wp_context,
 855                 wp_context->service);
 856
 857         service_type = connman_service_get_type(wp_context->service);
 858
 859         switch (service_type) {
 860         case CONNMAN_SERVICE_TYPE_ETHERNET:
 861         case CONNMAN_SERVICE_TYPE_WIFI:
 862         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 863         case CONNMAN_SERVICE_TYPE_CELLULAR:
 864         case CONNMAN_SERVICE_TYPE_GADGET:
 865                 break;
 866         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 867         case CONNMAN_SERVICE_TYPE_SYSTEM:
 868         case CONNMAN_SERVICE_TYPE_GPS:
 869         case CONNMAN_SERVICE_TYPE_VPN:
 870         case CONNMAN_SERVICE_TYPE_P2P:
 871                 return -EOPNOTSUPP;
 872         }
 873
 874         interface = connman_service_get_interface(wp_context->service);
 875         if (!interface)
 876                 return -EINVAL;
 877
 878         DBG("interface %s", interface);
 879
 880         if_index = connman_inet_ifindex(interface);
 881         if (if_index < 0) {
 882                 DBG("Could not get ifindex");
 883                 err = -EINVAL;
 884                 goto done;
 885         }
 886
 887         nameservers = connman_service_get_nameservers(wp_context->service);
 888         if (!nameservers) {
 889                 DBG("Could not get nameservers");
 890                 err = -EINVAL;
 891                 goto done;
 892         }
 893
 894         wp_context->web = g_web_new(if_index);
 895         if (!wp_context->web) {
 896                 DBG("Could not set up GWeb");
 897                 err = -ENOMEM;
 898                 goto done;
 899         }
 900
 901         if (getenv("CONNMAN_WEB_DEBUG"))
 902                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 903
 904         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 905                 g_web_set_address_family(wp_context->web, AF_INET);
 906                 wp_context->status_url = STATUS_URL_IPV4;
 907         } else {
 908                 g_web_set_address_family(wp_context->web, AF_INET6);
 909                 wp_context->status_url = STATUS_URL_IPV6;
 910         }
 911
 912         for (i = 0; nameservers[i]; i++)
 913                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 914
 915         proxy_method = connman_service_get_proxy_method(wp_context->service);
 916
 917         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 918                 wp_context->token = connman_proxy_lookup(interface,
 919                                                 wp_context->status_url,
 920                                                 wp_context->service,
 921                                                 proxy_callback, wp_context);
 922
 923                 if (wp_context->token == 0) {
 924                         err = -EINVAL;
 925                         free_connman_wispr_portal_context(wp_context);
 926                 }
 927         } else if (wp_context->timeout == 0) {
 928                 wp_context->timeout = g_idle_add(no_proxy_callback, wp_context);
 929         }
 930
 931 done:
 932         g_strfreev(nameservers);
 933
 934         g_free(interface);
 935         return err;
 936 }
 937
 938 int __connman_wispr_start(struct connman_service *service,
 939                                         enum connman_ipconfig_type type)
 940 {
 941         struct connman_wispr_portal_context *wp_context = NULL;
 942         struct connman_wispr_portal *wispr_portal = NULL;
 943         int index;
 944
 945         DBG("service %p", service);
 946
 947         if (!wispr_portal_list)
 948                 return -EINVAL;
 949
 950         index = __connman_service_get_index(service);
 951         if (index < 0)
 952                 return -EINVAL;
 953
 954         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 955                                         GINT_TO_POINTER(index));
 956         if (!wispr_portal) {
 957                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 958                 if (!wispr_portal)
 959                         return -ENOMEM;
 960
 961                 g_hash_table_replace(wispr_portal_list,
 962                                         GINT_TO_POINTER(index), wispr_portal);
 963         }
 964
 965         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 966                 wp_context = wispr_portal->ipv4_context;
 967         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 968                 wp_context = wispr_portal->ipv6_context;
 969         else
 970                 return -EINVAL;
 971
 972         /* If there is already an existing context, we wipe it */
 973         if (wp_context)
 974                 free_connman_wispr_portal_context(wp_context);
 975
 976         wp_context = create_wispr_portal_context();
 977         if (!wp_context)
 978                 return -ENOMEM;
 979
 980         wp_context->service = service;
 981         wp_context->type = type;
 982         wp_context->wispr_portal = wispr_portal;
 983
 984         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 985                 wispr_portal->ipv4_context = wp_context;
 986         else
 987                 wispr_portal->ipv6_context = wp_context;
 988
 989         return wispr_portal_detect(wp_context);
 990 }
 991
 992 void __connman_wispr_stop(struct connman_service *service)
 993 {
 994         int index;
 995
 996         DBG("service %p", service);
 997
 998         if (!wispr_portal_list)
 999                 return;
1000
1001         index = __connman_service_get_index(service);
1002         if (index < 0)
1003                 return;
1004
1005         g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
1006 }
1007
1008 int __connman_wispr_init(void)
1009 {
1010         DBG("");
1011
1012         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
1013                                                 g_direct_equal, NULL,
1014                                                 free_connman_wispr_portal);
1015
1016         return 0;
1017 }
1018
1019 void __connman_wispr_cleanup(void)
1020 {
1021         DBG("");
1022
1023         g_hash_table_destroy(wispr_portal_list);
1024         wispr_portal_list = NULL;
1025 }