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