src/wispr.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2012  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 #define wispr_portal_context_ref(_wp_ctxt) \
  37         wispr_portal_context_ref_debug(_wp_ctxt, __FILE__, __LINE__, __func__)
  38
  39 #define wispr_portal_context_unref(_wp_ctxt) \
  40         wispr_portal_context_unref_debug(_wp_ctxt, __FILE__, __LINE__, __func__)
  41
  42 struct connman_wispr_message {
  43         gboolean has_error;
  44         const char *current_element;
  45         int message_type;
  46         int response_code;
  47         char *login_url;
  48         char *abort_login_url;
  49         char *logoff_url;
  50         char *access_procedure;
  51         char *access_location;
  52         char *location_name;
  53 };
  54
  55 enum connman_wispr_result {
  56         CONNMAN_WISPR_RESULT_UNKNOWN = 0,
  57         CONNMAN_WISPR_RESULT_LOGIN   = 1,
  58         CONNMAN_WISPR_RESULT_ONLINE  = 2,
  59         CONNMAN_WISPR_RESULT_FAILED  = 3,
  60 };
  61
  62 struct wispr_route {
  63         char *address;
  64         int if_index;
  65 };
  66
  67 struct connman_wispr_portal_context {
  68         int refcount;
  69
  70         struct connman_service *service;
  71         enum connman_ipconfig_type type;
  72         struct connman_wispr_portal *wispr_portal;
  73
  74         /* Portal/WISPr common */
  75         GWeb *web;
  76         unsigned int token;
  77         guint request_id;
  78
  79         const char *status_url;
  80
  81         char *redirect_url;
  82
  83         /* WISPr specific */
  84         GWebParser *wispr_parser;
  85         struct connman_wispr_message wispr_msg;
  86
  87         char *wispr_username;
  88         char *wispr_password;
  89         char *wispr_formdata;
  90
  91         enum connman_wispr_result wispr_result;
  92
  93         GSList *route_list;
  94 };
  95
  96 struct connman_wispr_portal {
  97         struct connman_wispr_portal_context *ipv4_context;
  98         struct connman_wispr_portal_context *ipv6_context;
  99 };
 100
 101 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data);
 102
 103 static GHashTable *wispr_portal_list = NULL;
 104
 105 static void connman_wispr_message_init(struct connman_wispr_message *msg)
 106 {
 107         DBG("");
 108
 109         msg->has_error = FALSE;
 110         msg->current_element = NULL;
 111
 112         msg->message_type = -1;
 113         msg->response_code = -1;
 114
 115         g_free(msg->login_url);
 116         msg->login_url = NULL;
 117
 118         g_free(msg->abort_login_url);
 119         msg->abort_login_url = NULL;
 120
 121         g_free(msg->logoff_url);
 122         msg->logoff_url = NULL;
 123
 124         g_free(msg->access_procedure);
 125         msg->access_procedure = NULL;
 126
 127         g_free(msg->access_location);
 128         msg->access_location = NULL;
 129
 130         g_free(msg->location_name);
 131         msg->location_name = NULL;
 132 }
 133
 134 static void free_wispr_routes(struct connman_wispr_portal_context *wp_context)
 135 {
 136         while (wp_context->route_list != NULL) {
 137                 struct wispr_route *route = wp_context->route_list->data;
 138
 139                 DBG("free route to %s if %d type %d", route->address,
 140                                 route->if_index, wp_context->type);
 141
 142                 switch(wp_context->type) {
 143                 case CONNMAN_IPCONFIG_TYPE_IPV4:
 144                         connman_inet_del_host_route(route->if_index,
 145                                         route->address);
 146                         break;
 147                 case CONNMAN_IPCONFIG_TYPE_IPV6:
 148                         connman_inet_del_ipv6_host_route(route->if_index,
 149                                         route->address);
 150                         break;
 151                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 152                         break;
 153                 }
 154
 155                 g_free(route->address);
 156                 g_free(route);
 157
 158                 wp_context->route_list =
 159                         g_slist_delete_link(wp_context->route_list,
 160                                         wp_context->route_list);
 161         }
 162 }
 163
 164 static void free_connman_wispr_portal_context(struct connman_wispr_portal_context *wp_context)
 165 {
 166         DBG("context %p", wp_context);
 167
 168         if (wp_context == NULL)
 169                 return;
 170
 171         if (wp_context->wispr_portal != NULL) {
 172                 if (wp_context->wispr_portal->ipv4_context == wp_context)
 173                         wp_context->wispr_portal->ipv4_context = NULL;
 174
 175                 if (wp_context->wispr_portal->ipv6_context == wp_context)
 176                         wp_context->wispr_portal->ipv6_context = NULL;
 177         }
 178
 179         if (wp_context->service != NULL)
 180                 connman_service_unref(wp_context->service);
 181
 182         if (wp_context->token > 0)
 183                 connman_proxy_lookup_cancel(wp_context->token);
 184
 185         if (wp_context->request_id > 0)
 186                 g_web_cancel_request(wp_context->web, wp_context->request_id);
 187
 188         if (wp_context->web != NULL)
 189                 g_web_unref(wp_context->web);
 190
 191         g_free(wp_context->redirect_url);
 192
 193         if (wp_context->wispr_parser != NULL)
 194                 g_web_parser_unref(wp_context->wispr_parser);
 195
 196         connman_wispr_message_init(&wp_context->wispr_msg);
 197
 198         g_free(wp_context->wispr_username);
 199         g_free(wp_context->wispr_password);
 200         g_free(wp_context->wispr_formdata);
 201
 202         free_wispr_routes(wp_context);
 203
 204         g_free(wp_context);
 205 }
 206
 207 static struct connman_wispr_portal_context *
 208 wispr_portal_context_ref_debug(struct connman_wispr_portal_context *wp_context,
 209                                 const char *file, int line, const char *caller)
 210 {
 211         DBG("%p ref %d by %s:%d:%s()", wp_context, wp_context->refcount + 1,
 212                                                         file, line, caller);
 213
 214         __sync_fetch_and_add(&wp_context->refcount, 1);
 215
 216         return wp_context;
 217 }
 218
 219 static struct connman_wispr_portal_context *
 220 wispr_portal_context_unref_debug(struct connman_wispr_portal_context *wp_context,
 221                                 const char *file, int line, const char *caller)
 222 {
 223         DBG("%p ref %d by %s:%d:%s()", wp_context, wp_context->refcount - 1,
 224                                                         file, line, caller);
 225
 226         if (__sync_fetch_and_sub(&wp_context->refcount, 1) != 1)
 227                 return wp_context;
 228
 229         free_connman_wispr_portal_context(wp_context);
 230
 231         return NULL;
 232 }
 233
 234 static struct connman_wispr_portal_context *create_wispr_portal_context(void)
 235 {
 236         struct connman_wispr_portal_context *wp_context = NULL;
 237
 238          wp_context = g_try_new0(struct connman_wispr_portal_context, 1);
 239          if (wp_context == NULL)
 240                 return NULL;
 241
 242          wp_context->refcount = 1;
 243
 244          return wp_context;
 245 }
 246
 247 /**
 248  * This function is usued only by free_connman_wispr_portal, context pointer
 249  * might still be owned by a third party (gweb, agent dbus call...)
 250  * so we don't want service to be referenced in any context when it is not
 251  * valid anymore.
 252  */
 253 static void
 254 reset_service_usage(struct connman_wispr_portal_context *wp_context)
 255 {
 256         if (wp_context->service == NULL)
 257                 return;
 258
 259         connman_service_unref(wp_context->service);
 260         wp_context->service = NULL;
 261 }
 262
 263 static void free_connman_wispr_portal(gpointer data)
 264 {
 265         struct connman_wispr_portal *wispr_portal = data;
 266
 267         DBG("");
 268
 269         if (wispr_portal == NULL)
 270                 return;
 271
 272         if (wispr_portal->ipv4_context != NULL) {
 273                 reset_service_usage(wispr_portal->ipv4_context);
 274                 wispr_portal_context_unref(wispr_portal->ipv4_context);
 275         }
 276
 277         if (wispr_portal->ipv6_context != NULL) {
 278                 reset_service_usage(wispr_portal->ipv6_context);
 279                 wispr_portal_context_unref(wispr_portal->ipv6_context);
 280         }
 281
 282         g_free(wispr_portal);
 283 }
 284
 285 static const char *message_type_to_string(int message_type)
 286 {
 287         switch (message_type) {
 288         case 100:
 289                 return "Initial redirect message";
 290         case 110:
 291                 return "Proxy notification";
 292         case 120:
 293                 return "Authentication notification";
 294         case 130:
 295                 return "Logoff notification";
 296         case 140:
 297                 return "Response to Authentication Poll";
 298         case 150:
 299                 return "Response to Abort Login";
 300         }
 301
 302         return NULL;
 303 }
 304
 305 static const char *response_code_to_string(int response_code)
 306 {
 307         switch (response_code) {
 308         case 0:
 309                 return "No error";
 310         case 50:
 311                 return "Login succeeded";
 312         case 100:
 313                 return "Login failed";
 314         case 102:
 315                 return "RADIUS server error/timeout";
 316         case 105:
 317                 return "RADIUS server not enabled";
 318         case 150:
 319                 return "Logoff succeeded";
 320         case 151:
 321                 return "Login aborted";
 322         case 200:
 323                 return "Proxy detection/repeat operation";
 324         case 201:
 325                 return "Authentication pending";
 326         case 255:
 327                 return "Access gateway internal error";
 328         }
 329
 330         return NULL;
 331 }
 332
 333 static struct {
 334         const char *str;
 335         enum {
 336                 WISPR_ELEMENT_NONE              = 0,
 337                 WISPR_ELEMENT_ACCESS_PROCEDURE  = 1,
 338                 WISPR_ELEMENT_ACCESS_LOCATION   = 2,
 339                 WISPR_ELEMENT_LOCATION_NAME     = 3,
 340                 WISPR_ELEMENT_LOGIN_URL         = 4,
 341                 WISPR_ELEMENT_ABORT_LOGIN_URL   = 5,
 342                 WISPR_ELEMENT_MESSAGE_TYPE      = 6,
 343                 WISPR_ELEMENT_RESPONSE_CODE     = 7,
 344                 WISPR_ELEMENT_NEXT_URL          = 8,
 345                 WISPR_ELEMENT_DELAY             = 9,
 346                 WISPR_ELEMENT_REPLY_MESSAGE     = 10,
 347                 WISPR_ELEMENT_LOGIN_RESULTS_URL = 11,
 348                 WISPR_ELEMENT_LOGOFF_URL        = 12,
 349         } element;
 350 } wispr_element_map[] = {
 351         { "AccessProcedure",    WISPR_ELEMENT_ACCESS_PROCEDURE  },
 352         { "AccessLocation",     WISPR_ELEMENT_ACCESS_LOCATION   },
 353         { "LocationName",       WISPR_ELEMENT_LOCATION_NAME     },
 354         { "LoginURL",           WISPR_ELEMENT_LOGIN_URL         },
 355         { "AbortLoginURL",      WISPR_ELEMENT_ABORT_LOGIN_URL   },
 356         { "MessageType",        WISPR_ELEMENT_MESSAGE_TYPE      },
 357         { "ResponseCode",       WISPR_ELEMENT_RESPONSE_CODE     },
 358         { "NextURL",            WISPR_ELEMENT_NEXT_URL          },
 359         { "Delay",              WISPR_ELEMENT_DELAY             },
 360         { "ReplyMessage",       WISPR_ELEMENT_REPLY_MESSAGE     },
 361         { "LoginResultsURL",    WISPR_ELEMENT_LOGIN_RESULTS_URL },
 362         { "LogoffURL",          WISPR_ELEMENT_LOGOFF_URL        },
 363         { NULL,                 WISPR_ELEMENT_NONE              },
 364 };
 365
 366 static void xml_wispr_start_element_handler(GMarkupParseContext *context,
 367                                         const gchar *element_name,
 368                                         const gchar **attribute_names,
 369                                         const gchar **attribute_values,
 370                                         gpointer user_data, GError **error)
 371 {
 372         struct connman_wispr_message *msg = user_data;
 373
 374         msg->current_element = element_name;
 375 }
 376
 377 static void xml_wispr_end_element_handler(GMarkupParseContext *context,
 378                                         const gchar *element_name,
 379                                         gpointer user_data, GError **error)
 380 {
 381         struct connman_wispr_message *msg = user_data;
 382
 383         msg->current_element = NULL;
 384 }
 385
 386 static void xml_wispr_text_handler(GMarkupParseContext *context,
 387                                         const gchar *text, gsize text_len,
 388                                         gpointer user_data, GError **error)
 389 {
 390         struct connman_wispr_message *msg = user_data;
 391         int i;
 392
 393         if (msg->current_element == NULL)
 394                 return;
 395
 396         for (i = 0; wispr_element_map[i].str; i++) {
 397                 if (g_str_equal(wispr_element_map[i].str,
 398                                         msg->current_element) == FALSE)
 399                         continue;
 400
 401                 switch (wispr_element_map[i].element) {
 402                 case WISPR_ELEMENT_NONE:
 403                 case WISPR_ELEMENT_ACCESS_PROCEDURE:
 404                         g_free(msg->access_procedure);
 405                         msg->access_procedure = g_strdup(text);
 406                         break;
 407                 case WISPR_ELEMENT_ACCESS_LOCATION:
 408                         g_free(msg->access_location);
 409                         msg->access_location = g_strdup(text);
 410                         break;
 411                 case WISPR_ELEMENT_LOCATION_NAME:
 412                         g_free(msg->location_name);
 413                         msg->location_name = g_strdup(text);
 414                         break;
 415                 case WISPR_ELEMENT_LOGIN_URL:
 416                         g_free(msg->login_url);
 417                         msg->login_url = g_strdup(text);
 418                         break;
 419                 case WISPR_ELEMENT_ABORT_LOGIN_URL:
 420                         g_free(msg->abort_login_url);
 421                         msg->abort_login_url = g_strdup(text);
 422                         break;
 423                 case WISPR_ELEMENT_MESSAGE_TYPE:
 424                         msg->message_type = atoi(text);
 425                         break;
 426                 case WISPR_ELEMENT_RESPONSE_CODE:
 427                         msg->response_code = atoi(text);
 428                         break;
 429                 case WISPR_ELEMENT_NEXT_URL:
 430                 case WISPR_ELEMENT_DELAY:
 431                 case WISPR_ELEMENT_REPLY_MESSAGE:
 432                 case WISPR_ELEMENT_LOGIN_RESULTS_URL:
 433                         break;
 434                 case WISPR_ELEMENT_LOGOFF_URL:
 435                         g_free(msg->logoff_url);
 436                         msg->logoff_url = g_strdup(text);
 437                         break;
 438                 }
 439         }
 440 }
 441
 442 static void xml_wispr_error_handler(GMarkupParseContext *context,
 443                                         GError *error, gpointer user_data)
 444 {
 445         struct connman_wispr_message *msg = user_data;
 446
 447         msg->has_error = TRUE;
 448 }
 449
 450 static const GMarkupParser xml_wispr_parser_handlers = {
 451         xml_wispr_start_element_handler,
 452         xml_wispr_end_element_handler,
 453         xml_wispr_text_handler,
 454         NULL,
 455         xml_wispr_error_handler,
 456 };
 457
 458 static void xml_wispr_parser_callback(const char *str, gpointer user_data)
 459 {
 460         struct connman_wispr_portal_context *wp_context = user_data;
 461         GMarkupParseContext *parser_context = NULL;
 462         gboolean result;
 463
 464         DBG("");
 465
 466         parser_context = g_markup_parse_context_new(&xml_wispr_parser_handlers,
 467                                         G_MARKUP_TREAT_CDATA_AS_TEXT,
 468                                         &(wp_context->wispr_msg), NULL);
 469
 470         result = g_markup_parse_context_parse(parser_context,
 471                                         str, strlen(str), NULL);
 472         if (result == TRUE)
 473                 g_markup_parse_context_end_parse(parser_context, NULL);
 474
 475         g_markup_parse_context_free(parser_context);
 476 }
 477
 478 static void web_debug(const char *str, void *data)
 479 {
 480         connman_info("%s: %s\n", (const char *) data, str);
 481 }
 482
 483 static void wispr_portal_error(struct connman_wispr_portal_context *wp_context)
 484 {
 485         DBG("Failed to proceed wispr/portal web request");
 486
 487         wp_context->wispr_result = CONNMAN_WISPR_RESULT_FAILED;
 488 }
 489
 490 static void portal_manage_status(GWebResult *result,
 491                         struct connman_wispr_portal_context *wp_context)
 492 {
 493         const char *str = NULL;
 494
 495         DBG("");
 496
 497         /* We currently don't do anything with this info */
 498         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 499                                 &str) == TRUE)
 500                 connman_info("Client-IP: %s", str);
 501
 502         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 503                                 &str) == TRUE)
 504                 connman_info("Client-Country: %s", str);
 505
 506         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 507                                 &str) == TRUE)
 508                 connman_info("Client-Region: %s", str);
 509
 510         __connman_service_ipconfig_indicate_state(wp_context->service,
 511                                                 CONNMAN_SERVICE_STATE_ONLINE,
 512                                                 wp_context->type);
 513 }
 514
 515 static gboolean wispr_route_request(const char *address, int ai_family,
 516                 int if_index, gpointer user_data)
 517 {
 518         int result = -1;
 519         struct connman_wispr_portal_context *wp_context = user_data;
 520         const char *gateway;
 521         struct wispr_route *route;
 522
 523         gateway = __connman_ipconfig_get_gateway_from_index(if_index,
 524                 wp_context->type);
 525
 526         DBG("address %s if %d gw %s", address, if_index, gateway);
 527
 528         if (gateway == NULL)
 529                 return FALSE;
 530
 531         route = g_try_new0(struct wispr_route, 1);
 532         if (route == 0) {
 533                 DBG("could not create struct");
 534                 return FALSE;
 535         }
 536
 537         switch(wp_context->type) {
 538         case CONNMAN_IPCONFIG_TYPE_IPV4:
 539                 result = connman_inet_add_host_route(if_index, address,
 540                                 gateway);
 541                 break;
 542         case CONNMAN_IPCONFIG_TYPE_IPV6:
 543                 result = connman_inet_add_ipv6_host_route(if_index, address,
 544                                 gateway);
 545                 break;
 546         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 547                 break;
 548         }
 549
 550         if (result < 0) {
 551                 g_free(route);
 552                 return FALSE;
 553         }
 554
 555         route->address = g_strdup(address);
 556         route->if_index = if_index;
 557         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 558
 559         return TRUE;
 560 }
 561
 562 static void wispr_portal_request_portal(struct connman_wispr_portal_context *wp_context)
 563 {
 564         DBG("");
 565
 566         wp_context->request_id = g_web_request_get(wp_context->web,
 567                                         wp_context->status_url,
 568                                         wispr_portal_web_result,
 569                                         wispr_route_request,
 570                                         wp_context);
 571
 572         if (wp_context->request_id == 0)
 573                 wispr_portal_error(wp_context);
 574         else
 575                 wispr_portal_context_ref(wp_context);
 576 }
 577
 578 static gboolean wispr_input(const guint8 **data, gsize *length,
 579                                                 gpointer user_data)
 580 {
 581         struct connman_wispr_portal_context *wp_context = user_data;
 582         GString *buf;
 583         gsize count;
 584
 585         DBG("");
 586
 587         buf = g_string_sized_new(100);
 588
 589         g_string_append(buf, "button=Login&UserName=");
 590         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 591                                                                 NULL, FALSE);
 592         g_string_append(buf, "&Password=");
 593         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 594                                                                 NULL, FALSE);
 595         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 596         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 597
 598         count = buf->len;
 599
 600         g_free(wp_context->wispr_formdata);
 601         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 602
 603         *data = (guint8 *) wp_context->wispr_formdata;
 604         *length = count;
 605
 606         return FALSE;
 607 }
 608
 609 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 610                                         connman_bool_t authentication_done,
 611                                         const char *error, void *user_data)
 612 {
 613         struct connman_wispr_portal_context *wp_context = user_data;
 614
 615         DBG("");
 616
 617         wp_context = wispr_portal_context_unref(wp_context);
 618         if (service == NULL || wp_context == NULL)
 619                 return;
 620
 621         if (authentication_done == FALSE) {
 622                 wispr_portal_error(wp_context);
 623                 free_wispr_routes(wp_context);
 624                 return;
 625         }
 626
 627         /* Restarting the test */
 628         __connman_wispr_start(service, wp_context->type);
 629 }
 630
 631 static void wispr_portal_request_wispr_login(struct connman_service *service,
 632                                 connman_bool_t success,
 633                                 const char *ssid, int ssid_len,
 634                                 const char *username, const char *password,
 635                                 gboolean wps, const char *wpspin,
 636                                 const char *error, void *user_data)
 637 {
 638         struct connman_wispr_portal_context *wp_context = user_data;
 639
 640         DBG("");
 641
 642         wp_context = wispr_portal_context_unref(wp_context);
 643         if (wp_context == NULL)
 644                 return;
 645
 646         if (error != NULL && g_strcmp0(error,
 647                         "net.connman.Agent.Error.LaunchBrowser") == 0) {
 648                 wispr_portal_context_ref(wp_context);
 649
 650                 if (__connman_agent_request_browser(service,
 651                                 wispr_portal_browser_reply_cb,
 652                                 wp_context->redirect_url,
 653                                 wp_context) != -EINPROGRESS)
 654                         wispr_portal_context_unref(wp_context);
 655
 656                 return;
 657         }
 658
 659         g_free(wp_context->wispr_username);
 660         wp_context->wispr_username = g_strdup(username);
 661
 662         g_free(wp_context->wispr_password);
 663         wp_context->wispr_password = g_strdup(password);
 664
 665         wispr_portal_context_ref(wp_context);
 666
 667         wp_context->request_id = g_web_request_post(wp_context->web,
 668                                         wp_context->wispr_msg.login_url,
 669                                         "application/x-www-form-urlencoded",
 670                                         wispr_input, wispr_portal_web_result,
 671                                         wp_context);
 672         if (wp_context->request_id == 0)
 673                 wispr_portal_context_unref(wp_context);
 674
 675         connman_wispr_message_init(&wp_context->wispr_msg);
 676 }
 677
 678 static gboolean wispr_manage_message(GWebResult *result,
 679                         struct connman_wispr_portal_context *wp_context)
 680 {
 681         DBG("Message type: %s (%d)",
 682                 message_type_to_string(wp_context->wispr_msg.message_type),
 683                                         wp_context->wispr_msg.message_type);
 684         DBG("Response code: %s (%d)",
 685                 response_code_to_string(wp_context->wispr_msg.response_code),
 686                                         wp_context->wispr_msg.response_code);
 687
 688         if (wp_context->wispr_msg.access_procedure != NULL)
 689                 DBG("Access procedure: %s",
 690                         wp_context->wispr_msg.access_procedure);
 691         if (wp_context->wispr_msg.access_location != NULL)
 692                 DBG("Access location: %s",
 693                         wp_context->wispr_msg.access_location);
 694         if (wp_context->wispr_msg.location_name != NULL)
 695                 DBG("Location name: %s",
 696                         wp_context->wispr_msg.location_name);
 697         if (wp_context->wispr_msg.login_url != NULL)
 698                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 699         if (wp_context->wispr_msg.abort_login_url != NULL)
 700                 DBG("Abort login URL: %s",
 701                         wp_context->wispr_msg.abort_login_url);
 702         if (wp_context->wispr_msg.logoff_url != NULL)
 703                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 704
 705         switch (wp_context->wispr_msg.message_type) {
 706         case 100:
 707                 DBG("Login required");
 708
 709                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 710
 711                 wispr_portal_context_ref(wp_context);
 712
 713                 if (__connman_agent_request_login_input(wp_context->service,
 714                                         wispr_portal_request_wispr_login,
 715                                         wp_context) != -EINPROGRESS) {
 716                         wispr_portal_context_unref(wp_context);
 717                         wispr_portal_error(wp_context);
 718                 }
 719
 720                 break;
 721         case 120: /* Falling down */
 722         case 140:
 723                 if (wp_context->wispr_msg.response_code == 50) {
 724                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 725
 726                         g_free(wp_context->wispr_username);
 727                         wp_context->wispr_username = NULL;
 728
 729                         g_free(wp_context->wispr_password);
 730                         wp_context->wispr_password = NULL;
 731
 732                         g_free(wp_context->wispr_formdata);
 733                         wp_context->wispr_formdata = NULL;
 734
 735                         wispr_portal_request_portal(wp_context);
 736
 737                         return TRUE;
 738                 } else
 739                         wispr_portal_error(wp_context);
 740
 741                 break;
 742         default:
 743                 break;
 744         }
 745
 746         return FALSE;
 747 }
 748
 749 static gboolean wispr_portal_web_result(GWebResult *result, gpointer user_data)
 750 {
 751         struct connman_wispr_portal_context *wp_context = user_data;
 752         const char *redirect = NULL;
 753         const guint8 *chunk = NULL;
 754         const char *str = NULL;
 755         guint16 status;
 756         gsize length;
 757
 758         DBG("");
 759
 760         wp_context = wispr_portal_context_unref(wp_context);
 761         if (wp_context == NULL)
 762                 return FALSE;
 763
 764         if (wp_context->request_id == 0)
 765                 return FALSE;
 766
 767         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 768                 g_web_result_get_chunk(result, &chunk, &length);
 769
 770                 if (length > 0) {
 771                         wispr_portal_context_ref(wp_context);
 772
 773                         g_web_parser_feed_data(wp_context->wispr_parser,
 774                                                                 chunk, length);
 775                         return TRUE;
 776                 }
 777
 778                 g_web_parser_end_data(wp_context->wispr_parser);
 779
 780                 if (wp_context->wispr_msg.message_type >= 0) {
 781                         if (wispr_manage_message(result, wp_context) == TRUE)
 782                                 goto done;
 783                 }
 784         }
 785
 786         status = g_web_result_get_status(result);
 787
 788         DBG("status: %03u", status);
 789
 790         switch (status) {
 791         case 200:
 792                 if (wp_context->wispr_msg.message_type >= 0)
 793                         break;
 794
 795                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 796                                                                 &str) == TRUE)
 797                         portal_manage_status(result, wp_context);
 798                 else {
 799                         wispr_portal_context_ref(wp_context);
 800
 801                         __connman_agent_request_browser(wp_context->service,
 802                                         wispr_portal_browser_reply_cb,
 803                                         wp_context->redirect_url, wp_context);
 804                 }
 805
 806                 break;
 807         case 302:
 808                 if (g_web_supports_tls() == FALSE ||
 809                                 g_web_result_get_header(result, "Location",
 810                                                         &redirect) == FALSE) {
 811                         wispr_portal_context_ref(wp_context);
 812
 813                         __connman_agent_request_browser(wp_context->service,
 814                                         wispr_portal_browser_reply_cb,
 815                                         wp_context->status_url, wp_context);
 816                         break;
 817                 }
 818
 819                 DBG("Redirect URL: %s", redirect);
 820
 821                 wp_context->redirect_url = g_strdup(redirect);
 822
 823                 wp_context->request_id = g_web_request_get(wp_context->web,
 824                                 redirect, wispr_portal_web_result,
 825                                 wispr_route_request, wp_context);
 826                 if (wp_context->request_id != 0)
 827                         wispr_portal_context_ref(wp_context);
 828
 829                 goto done;
 830         case 400:
 831         case 404:
 832                 if (__connman_service_online_check_failed(wp_context->service,
 833                                                         wp_context->type) == 0)
 834                         wispr_portal_error(wp_context);
 835
 836                 break;
 837         default:
 838                 break;
 839         }
 840
 841         free_wispr_routes(wp_context);
 842         wp_context->request_id = 0;
 843 done:
 844         wp_context->wispr_msg.message_type = -1;
 845         return FALSE;
 846 }
 847
 848 static void proxy_callback(const char *proxy, void *user_data)
 849 {
 850         struct connman_wispr_portal_context *wp_context = user_data;
 851
 852         DBG("proxy %s", proxy);
 853
 854         wp_context = wispr_portal_context_unref(wp_context);
 855         if (wp_context == NULL)
 856                 return;
 857
 858         wp_context->token = 0;
 859
 860         if (proxy != NULL && g_strcmp0(proxy, "DIRECT") != 0)
 861                 g_web_set_proxy(wp_context->web, proxy);
 862
 863         g_web_set_accept(wp_context->web, NULL);
 864         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 865         g_web_set_close_connection(wp_context->web, TRUE);
 866
 867         connman_wispr_message_init(&wp_context->wispr_msg);
 868
 869         wp_context->wispr_parser = g_web_parser_new(
 870                                         "<WISPAccessGatewayParam",
 871                                         "WISPAccessGatewayParam>",
 872                                         xml_wispr_parser_callback, wp_context);
 873
 874         wispr_portal_request_portal(wp_context);
 875 }
 876
 877 static gboolean no_proxy_callback(gpointer user_data)
 878 {
 879         struct connman_wispr_portal_context *wp_context = user_data;
 880
 881         proxy_callback("DIRECT", wp_context);
 882
 883         return FALSE;
 884 }
 885
 886 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 887 {
 888         enum connman_service_proxy_method proxy_method;
 889         enum connman_service_type service_type;
 890         char *interface = NULL;
 891         char **nameservers = NULL;
 892         int if_index;
 893         int err = 0;
 894         int i;
 895
 896         DBG("wispr/portal context %p", wp_context);
 897         DBG("service %p", wp_context->service);
 898
 899         service_type = connman_service_get_type(wp_context->service);
 900
 901         switch (service_type) {
 902         case CONNMAN_SERVICE_TYPE_ETHERNET:
 903         case CONNMAN_SERVICE_TYPE_WIFI:
 904         case CONNMAN_SERVICE_TYPE_WIMAX:
 905         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 906         case CONNMAN_SERVICE_TYPE_CELLULAR:
 907                 break;
 908         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 909         case CONNMAN_SERVICE_TYPE_SYSTEM:
 910         case CONNMAN_SERVICE_TYPE_GPS:
 911         case CONNMAN_SERVICE_TYPE_VPN:
 912         case CONNMAN_SERVICE_TYPE_GADGET:
 913                 return -EOPNOTSUPP;
 914         }
 915
 916         interface = connman_service_get_interface(wp_context->service);
 917         if (interface == NULL)
 918                 return -EINVAL;
 919
 920         DBG("interface %s", interface);
 921
 922         if_index = connman_inet_ifindex(interface);
 923         if (if_index < 0) {
 924                 DBG("Could not get ifindex");
 925                 err = -EINVAL;
 926                 goto done;
 927         }
 928
 929         nameservers = connman_service_get_nameservers(wp_context->service);
 930         if (nameservers == NULL) {
 931                 DBG("Could not get nameservers");
 932                 err = -EINVAL;
 933                 goto done;
 934         }
 935
 936         wp_context->web = g_web_new(if_index);
 937         if (wp_context->web == NULL) {
 938                 DBG("Could not set up GWeb");
 939                 err = -ENOMEM;
 940                 goto done;
 941         }
 942
 943         if (getenv("CONNMAN_WEB_DEBUG"))
 944                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 945
 946         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 947                 g_web_set_address_family(wp_context->web, AF_INET);
 948                 wp_context->status_url = STATUS_URL_IPV4;
 949         } else {
 950                 g_web_set_address_family(wp_context->web, AF_INET6);
 951                 wp_context->status_url = STATUS_URL_IPV6;
 952         }
 953
 954         for (i = 0; nameservers[i] != NULL; i++)
 955                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 956
 957         proxy_method = connman_service_get_proxy_method(wp_context->service);
 958
 959         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 960                 wp_context->token = connman_proxy_lookup(interface,
 961                                                 wp_context->status_url,
 962                                                 wp_context->service,
 963                                                 proxy_callback, wp_context);
 964
 965                 if (wp_context->token == 0) {
 966                         err = -EINVAL;
 967                         goto done;
 968                 }
 969         } else {
 970                 g_timeout_add_seconds(0, no_proxy_callback, wp_context);
 971         }
 972
 973         wispr_portal_context_ref(wp_context);
 974 done:
 975         g_strfreev(nameservers);
 976
 977         g_free(interface);
 978         return err;
 979 }
 980
 981 int __connman_wispr_start(struct connman_service *service,
 982                                         enum connman_ipconfig_type type)
 983 {
 984         struct connman_wispr_portal_context *wp_context = NULL;
 985         struct connman_wispr_portal *wispr_portal = NULL;
 986         int index;
 987
 988         DBG("service %p", service);
 989
 990         if (wispr_portal_list == NULL)
 991                 return -EINVAL;
 992
 993         index = __connman_service_get_index(service);
 994         if (index < 0)
 995                 return -EINVAL;
 996
 997         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 998                                         GINT_TO_POINTER(index));
 999         if (wispr_portal == NULL) {
1000                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
1001                 if (wispr_portal == NULL)
1002                         return -ENOMEM;
1003
1004                 g_hash_table_replace(wispr_portal_list,
1005                                         GINT_TO_POINTER(index), wispr_portal);
1006         }
1007
1008         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1009                 wp_context = wispr_portal->ipv4_context;
1010         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
1011                 wp_context = wispr_portal->ipv6_context;
1012         else
1013                 return -EINVAL;
1014
1015         /* If there is already an existing context, we wipe it */
1016         if (wp_context != NULL)
1017                 wispr_portal_context_unref(wp_context);
1018
1019         wp_context = create_wispr_portal_context();
1020         if (wp_context == NULL)
1021                 return -ENOMEM;
1022
1023         connman_service_ref(service);
1024
1025         wp_context->service = service;
1026         wp_context->type = type;
1027         wp_context->wispr_portal = wispr_portal;
1028
1029         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
1030                 wispr_portal->ipv4_context = wp_context;
1031         else
1032                 wispr_portal->ipv6_context = wp_context;
1033
1034         return wispr_portal_detect(wp_context);
1035 }
1036
1037 void __connman_wispr_stop(struct connman_service *service)
1038 {
1039         int index;
1040
1041         DBG("service %p", service);
1042
1043         if (wispr_portal_list == NULL)
1044                 return;
1045
1046         index = __connman_service_get_index(service);
1047         if (index < 0)
1048                 return;
1049
1050         g_hash_table_remove(wispr_portal_list, GINT_TO_POINTER(index));
1051 }
1052
1053 int __connman_wispr_init(void)
1054 {
1055         DBG("");
1056
1057         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
1058                                                 g_direct_equal, NULL,
1059                                                 free_connman_wispr_portal);
1060
1061         return 0;
1062 }
1063
1064 void __connman_wispr_cleanup(void)
1065 {
1066         DBG("");
1067
1068         g_hash_table_destroy(wispr_portal_list);
1069         wispr_portal_list = NULL;
1070 }