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