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