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