src/wispr.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2013  Intel Corporation. All rights reserved.
   6  *
   7  *  This program is free software; you can redistribute it and/or modify
   8  *  it under the terms of the GNU General Public License version 2 as
   9  *  published by the Free Software Foundation.
  10  *
  11  *  This program is distributed in the hope that it will be useful,
  12  *  but WITHOUT ANY WARRANTY; without even the implied warranty of
  13  *  MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  14  *  GNU General Public License for more details.
  15  *
  16  *  You should have received a copy of the GNU General Public License
  17  *  along with this program; if not, write to the Free Software
  18  *  Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA  02110-1301  USA
  19  *
  20  */
  21
  22 #ifdef HAVE_CONFIG_H
  23 #include <config.h>
  24 #endif
  25
  26 #include <errno.h>
  27 #include <stdlib.h>
  28
  29 #include <gweb/gweb.h>
  30
  31 #include "connman.h"
  32
  33 #define STATUS_URL_IPV4  "http://ipv4.connman.net/online/status.html"
  34 #define STATUS_URL_IPV6  "http://ipv6.connman.net/online/status.html"
  35
  36 struct connman_wispr_message {
  37         bool has_error;
  38         const char *current_element;
  39         int message_type;
  40         int response_code;
  41         char *login_url;
  42         char *abort_login_url;
  43         char *logoff_url;
  44         char *access_procedure;
  45         char *access_location;
  46         char *location_name;
  47 };
  48
  49 enum connman_wispr_result {
  50         CONNMAN_WISPR_RESULT_UNKNOWN = 0,
  51         CONNMAN_WISPR_RESULT_LOGIN   = 1,
  52         CONNMAN_WISPR_RESULT_ONLINE  = 2,
  53         CONNMAN_WISPR_RESULT_FAILED  = 3,
  54 };
  55
  56 struct wispr_route {
  57         char *address;
  58         int if_index;
  59 };
  60
  61 struct connman_wispr_portal_context {
  62         struct connman_service *service;
  63         enum connman_ipconfig_type type;
  64         struct connman_wispr_portal *wispr_portal;
  65
  66         /* Portal/WISPr common */
  67         GWeb *web;
  68         unsigned int token;
  69         guint request_id;
  70
  71         const char *status_url;
  72
  73         char *redirect_url;
  74
  75         /* WISPr specific */
  76         GWebParser *wispr_parser;
  77         struct connman_wispr_message wispr_msg;
  78
  79         char *wispr_username;
  80         char *wispr_password;
  81         char *wispr_formdata;
  82
  83         enum connman_wispr_result wispr_result;
  84
  85         GSList *route_list;
  86
  87         guint timeout;
  88 };
  89
  90 struct connman_wispr_portal {
  91         struct connman_wispr_portal_context *ipv4_context;
  92         struct connman_wispr_portal_context *ipv6_context;
  93 };
  94
  95 static bool wispr_portal_web_result(GWebResult *result, gpointer user_data);
  96
  97 static GHashTable *wispr_portal_list = NULL;
  98
  99 static bool enable_online_to_ready_transition = false;
 100
 101 static void connman_wispr_message_init(struct connman_wispr_message *msg)
 102 {
 103         DBG("");
 104
 105         msg->has_error = false;
 106         msg->current_element = NULL;
 107
 108         msg->message_type = -1;
 109         msg->response_code = -1;
 110
 111         g_free(msg->login_url);
 112         msg->login_url = NULL;
 113
 114         g_free(msg->abort_login_url);
 115         msg->abort_login_url = NULL;
 116
 117         g_free(msg->logoff_url);
 118         msg->logoff_url = NULL;
 119
 120         g_free(msg->access_procedure);
 121         msg->access_procedure = NULL;
 122
 123         g_free(msg->access_location);
 124         msg->access_location = NULL;
 125
 126         g_free(msg->location_name);
 127         msg->location_name = NULL;
 128 }
 129
 130 static void free_wispr_routes(struct connman_wispr_portal_context *wp_context)
 131 {
 132         while (wp_context->route_list) {
 133                 struct wispr_route *route = wp_context->route_list->data;
 134
 135                 DBG("free route to %s if %d type %d", route->address,
 136                                 route->if_index, wp_context->type);
 137
 138                 switch (wp_context->type) {
 139                 case CONNMAN_IPCONFIG_TYPE_IPV4:
 140                         connman_inet_del_host_route(route->if_index,
 141                                         route->address);
 142                         break;
 143                 case CONNMAN_IPCONFIG_TYPE_IPV6:
 144                         connman_inet_del_ipv6_host_route(route->if_index,
 145                                         route->address);
 146                         break;
 147                 case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 148                 case CONNMAN_IPCONFIG_TYPE_ALL:
 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(
 162                 struct connman_wispr_portal_context *wp_context)
 163 {
 164         DBG("context %p", wp_context);
 165
 166         if (!wp_context)
 167                 return;
 168
 169         if (wp_context->wispr_portal) {
 170                 if (wp_context->wispr_portal->ipv4_context == wp_context)
 171                         wp_context->wispr_portal->ipv4_context = NULL;
 172
 173                 if (wp_context->wispr_portal->ipv6_context == wp_context)
 174                         wp_context->wispr_portal->ipv6_context = NULL;
 175         }
 176
 177         if (wp_context->token > 0)
 178                 connman_proxy_lookup_cancel(wp_context->token);
 179
 180         if (wp_context->request_id > 0)
 181                 g_web_cancel_request(wp_context->web, wp_context->request_id);
 182
 183         if (wp_context->timeout > 0)
 184                 g_source_remove(wp_context->timeout);
 185
 186         if (wp_context->web)
 187                 g_web_unref(wp_context->web);
 188
 189         g_free(wp_context->redirect_url);
 190
 191         if (wp_context->wispr_parser)
 192                 g_web_parser_unref(wp_context->wispr_parser);
 193
 194         connman_wispr_message_init(&wp_context->wispr_msg);
 195
 196         g_free(wp_context->wispr_username);
 197         g_free(wp_context->wispr_password);
 198         g_free(wp_context->wispr_formdata);
 199
 200         free_wispr_routes(wp_context);
 201
 202         g_free(wp_context);
 203 }
 204
 205 static struct connman_wispr_portal_context *create_wispr_portal_context(void)
 206 {
 207         return g_try_new0(struct connman_wispr_portal_context, 1);
 208 }
 209
 210 static void free_connman_wispr_portal(gpointer data)
 211 {
 212         struct connman_wispr_portal *wispr_portal = data;
 213
 214         DBG("");
 215
 216         if (!wispr_portal)
 217                 return;
 218
 219         free_connman_wispr_portal_context(wispr_portal->ipv4_context);
 220         free_connman_wispr_portal_context(wispr_portal->ipv6_context);
 221
 222         g_free(wispr_portal);
 223 }
 224
 225 static const char *message_type_to_string(int message_type)
 226 {
 227         switch (message_type) {
 228         case 100:
 229                 return "Initial redirect message";
 230         case 110:
 231                 return "Proxy notification";
 232         case 120:
 233                 return "Authentication notification";
 234         case 130:
 235                 return "Logoff notification";
 236         case 140:
 237                 return "Response to Authentication Poll";
 238         case 150:
 239                 return "Response to Abort Login";
 240         }
 241
 242         return NULL;
 243 }
 244
 245 static const char *response_code_to_string(int response_code)
 246 {
 247         switch (response_code) {
 248         case 0:
 249                 return "No error";
 250         case 50:
 251                 return "Login succeeded";
 252         case 100:
 253                 return "Login failed";
 254         case 102:
 255                 return "RADIUS server error/timeout";
 256         case 105:
 257                 return "RADIUS server not enabled";
 258         case 150:
 259                 return "Logoff succeeded";
 260         case 151:
 261                 return "Login aborted";
 262         case 200:
 263                 return "Proxy detection/repeat operation";
 264         case 201:
 265                 return "Authentication pending";
 266         case 255:
 267                 return "Access gateway internal error";
 268         }
 269
 270         return NULL;
 271 }
 272
 273 static struct {
 274         const char *str;
 275         enum {
 276                 WISPR_ELEMENT_NONE              = 0,
 277                 WISPR_ELEMENT_ACCESS_PROCEDURE  = 1,
 278                 WISPR_ELEMENT_ACCESS_LOCATION   = 2,
 279                 WISPR_ELEMENT_LOCATION_NAME     = 3,
 280                 WISPR_ELEMENT_LOGIN_URL         = 4,
 281                 WISPR_ELEMENT_ABORT_LOGIN_URL   = 5,
 282                 WISPR_ELEMENT_MESSAGE_TYPE      = 6,
 283                 WISPR_ELEMENT_RESPONSE_CODE     = 7,
 284                 WISPR_ELEMENT_NEXT_URL          = 8,
 285                 WISPR_ELEMENT_DELAY             = 9,
 286                 WISPR_ELEMENT_REPLY_MESSAGE     = 10,
 287                 WISPR_ELEMENT_LOGIN_RESULTS_URL = 11,
 288                 WISPR_ELEMENT_LOGOFF_URL        = 12,
 289         } element;
 290 } wispr_element_map[] = {
 291         { "AccessProcedure",    WISPR_ELEMENT_ACCESS_PROCEDURE  },
 292         { "AccessLocation",     WISPR_ELEMENT_ACCESS_LOCATION   },
 293         { "LocationName",       WISPR_ELEMENT_LOCATION_NAME     },
 294         { "LoginURL",           WISPR_ELEMENT_LOGIN_URL         },
 295         { "AbortLoginURL",      WISPR_ELEMENT_ABORT_LOGIN_URL   },
 296         { "MessageType",        WISPR_ELEMENT_MESSAGE_TYPE      },
 297         { "ResponseCode",       WISPR_ELEMENT_RESPONSE_CODE     },
 298         { "NextURL",            WISPR_ELEMENT_NEXT_URL          },
 299         { "Delay",              WISPR_ELEMENT_DELAY             },
 300         { "ReplyMessage",       WISPR_ELEMENT_REPLY_MESSAGE     },
 301         { "LoginResultsURL",    WISPR_ELEMENT_LOGIN_RESULTS_URL },
 302         { "LogoffURL",          WISPR_ELEMENT_LOGOFF_URL        },
 303         { NULL,                 WISPR_ELEMENT_NONE              },
 304 };
 305
 306 static void xml_wispr_start_element_handler(GMarkupParseContext *context,
 307                                         const gchar *element_name,
 308                                         const gchar **attribute_names,
 309                                         const gchar **attribute_values,
 310                                         gpointer user_data, GError **error)
 311 {
 312         struct connman_wispr_message *msg = user_data;
 313
 314         msg->current_element = element_name;
 315 }
 316
 317 static void xml_wispr_end_element_handler(GMarkupParseContext *context,
 318                                         const gchar *element_name,
 319                                         gpointer user_data, GError **error)
 320 {
 321         struct connman_wispr_message *msg = user_data;
 322
 323         msg->current_element = NULL;
 324 }
 325
 326 static void xml_wispr_text_handler(GMarkupParseContext *context,
 327                                         const gchar *text, gsize text_len,
 328                                         gpointer user_data, GError **error)
 329 {
 330         struct connman_wispr_message *msg = user_data;
 331         int i;
 332
 333         if (!msg->current_element)
 334                 return;
 335
 336         for (i = 0; wispr_element_map[i].str; i++) {
 337                 if (!g_str_equal(wispr_element_map[i].str, msg->current_element))
 338                         continue;
 339
 340                 switch (wispr_element_map[i].element) {
 341                 case WISPR_ELEMENT_NONE:
 342                 case WISPR_ELEMENT_ACCESS_PROCEDURE:
 343                         g_free(msg->access_procedure);
 344                         msg->access_procedure = g_strdup(text);
 345                         break;
 346                 case WISPR_ELEMENT_ACCESS_LOCATION:
 347                         g_free(msg->access_location);
 348                         msg->access_location = g_strdup(text);
 349                         break;
 350                 case WISPR_ELEMENT_LOCATION_NAME:
 351                         g_free(msg->location_name);
 352                         msg->location_name = g_strdup(text);
 353                         break;
 354                 case WISPR_ELEMENT_LOGIN_URL:
 355                         g_free(msg->login_url);
 356                         msg->login_url = g_strdup(text);
 357                         break;
 358                 case WISPR_ELEMENT_ABORT_LOGIN_URL:
 359                         g_free(msg->abort_login_url);
 360                         msg->abort_login_url = g_strdup(text);
 361                         break;
 362                 case WISPR_ELEMENT_MESSAGE_TYPE:
 363                         msg->message_type = atoi(text);
 364                         break;
 365                 case WISPR_ELEMENT_RESPONSE_CODE:
 366                         msg->response_code = atoi(text);
 367                         break;
 368                 case WISPR_ELEMENT_NEXT_URL:
 369                 case WISPR_ELEMENT_DELAY:
 370                 case WISPR_ELEMENT_REPLY_MESSAGE:
 371                 case WISPR_ELEMENT_LOGIN_RESULTS_URL:
 372                         break;
 373                 case WISPR_ELEMENT_LOGOFF_URL:
 374                         g_free(msg->logoff_url);
 375                         msg->logoff_url = g_strdup(text);
 376                         break;
 377                 }
 378         }
 379 }
 380
 381 static void xml_wispr_error_handler(GMarkupParseContext *context,
 382                                         GError *error, gpointer user_data)
 383 {
 384         struct connman_wispr_message *msg = user_data;
 385
 386         msg->has_error = true;
 387 }
 388
 389 static const GMarkupParser xml_wispr_parser_handlers = {
 390         xml_wispr_start_element_handler,
 391         xml_wispr_end_element_handler,
 392         xml_wispr_text_handler,
 393         NULL,
 394         xml_wispr_error_handler,
 395 };
 396
 397 static void xml_wispr_parser_callback(const char *str, gpointer user_data)
 398 {
 399         struct connman_wispr_portal_context *wp_context = user_data;
 400         GMarkupParseContext *parser_context = NULL;
 401         bool result;
 402
 403         DBG("");
 404
 405         parser_context = g_markup_parse_context_new(&xml_wispr_parser_handlers,
 406                                         G_MARKUP_TREAT_CDATA_AS_TEXT,
 407                                         &(wp_context->wispr_msg), NULL);
 408
 409         result = g_markup_parse_context_parse(parser_context,
 410                                         str, strlen(str), NULL);
 411         if (result)
 412                 g_markup_parse_context_end_parse(parser_context, NULL);
 413
 414         g_markup_parse_context_free(parser_context);
 415 }
 416
 417 static void web_debug(const char *str, void *data)
 418 {
 419         connman_info("%s: %s\n", (const char *) data, str);
 420 }
 421
 422 static void wispr_portal_error(struct connman_wispr_portal_context *wp_context)
 423 {
 424         DBG("Failed to proceed wispr/portal web request");
 425
 426         wp_context->wispr_result = CONNMAN_WISPR_RESULT_FAILED;
 427 }
 428
 429 static void portal_manage_status(GWebResult *result,
 430                         struct connman_wispr_portal_context *wp_context)
 431 {
 432         struct connman_service *service = wp_context->service;
 433         enum connman_ipconfig_type type = wp_context->type;
 434         const char *str = NULL;
 435
 436         DBG("");
 437
 438         /* We currently don't do anything with this info */
 439         if (g_web_result_get_header(result, "X-ConnMan-Client-IP",
 440                                 &str))
 441                 connman_info("Client-IP: %s", str);
 442
 443         if (g_web_result_get_header(result, "X-ConnMan-Client-Country",
 444                                 &str))
 445                 connman_info("Client-Country: %s", str);
 446
 447         if (g_web_result_get_header(result, "X-ConnMan-Client-Region",
 448                                 &str))
 449                 connman_info("Client-Region: %s", str);
 450
 451         if (g_web_result_get_header(result, "X-ConnMan-Client-Timezone",
 452                                 &str))
 453                 connman_info("Client-Timezone: %s", str);
 454
 455         if (!enable_online_to_ready_transition)
 456                 free_connman_wispr_portal_context(wp_context);
 457
 458         __connman_service_ipconfig_indicate_state(service,
 459                                         CONNMAN_SERVICE_STATE_ONLINE, type);
 460
 461         if (enable_online_to_ready_transition)
 462                 __connman_service_online_check(service, type, true);
 463 }
 464
 465 static bool wispr_route_request(const char *address, int ai_family,
 466                 int if_index, gpointer user_data)
 467 {
 468         int result = -1;
 469         struct connman_wispr_portal_context *wp_context = user_data;
 470         const char *gateway;
 471         struct wispr_route *route;
 472
 473         gateway = __connman_ipconfig_get_gateway_from_index(if_index,
 474                 wp_context->type);
 475
 476         DBG("address %s if %d gw %s", address, if_index, gateway);
 477
 478         if (!gateway)
 479                 return false;
 480
 481         route = g_try_new0(struct wispr_route, 1);
 482         if (route == 0) {
 483                 DBG("could not create struct");
 484                 return false;
 485         }
 486
 487         switch (wp_context->type) {
 488         case CONNMAN_IPCONFIG_TYPE_IPV4:
 489                 result = connman_inet_add_host_route(if_index, address,
 490                                 gateway);
 491                 break;
 492         case CONNMAN_IPCONFIG_TYPE_IPV6:
 493                 result = connman_inet_add_ipv6_host_route(if_index, address,
 494                                 gateway);
 495                 break;
 496         case CONNMAN_IPCONFIG_TYPE_UNKNOWN:
 497         case CONNMAN_IPCONFIG_TYPE_ALL:
 498                 break;
 499         }
 500
 501         if (result < 0) {
 502                 g_free(route);
 503                 return false;
 504         }
 505
 506         route->address = g_strdup(address);
 507         route->if_index = if_index;
 508         wp_context->route_list = g_slist_prepend(wp_context->route_list, route);
 509
 510         return true;
 511 }
 512
 513 static void wispr_portal_request_portal(
 514                 struct connman_wispr_portal_context *wp_context)
 515 {
 516         DBG("");
 517
 518         wp_context->request_id = g_web_request_get(wp_context->web,
 519                                         wp_context->status_url,
 520                                         wispr_portal_web_result,
 521                                         wispr_route_request,
 522                                         wp_context);
 523
 524         if (wp_context->request_id == 0)
 525                 wispr_portal_error(wp_context);
 526 }
 527
 528 static bool wispr_input(const guint8 **data, gsize *length,
 529                                                 gpointer user_data)
 530 {
 531         struct connman_wispr_portal_context *wp_context = user_data;
 532         GString *buf;
 533         gsize count;
 534
 535         DBG("");
 536
 537         buf = g_string_sized_new(100);
 538
 539         g_string_append(buf, "button=Login&UserName=");
 540         g_string_append_uri_escaped(buf, wp_context->wispr_username,
 541                                                                 NULL, FALSE);
 542         g_string_append(buf, "&Password=");
 543         g_string_append_uri_escaped(buf, wp_context->wispr_password,
 544                                                                 NULL, FALSE);
 545         g_string_append(buf, "&FNAME=0&OriginatingServer=");
 546         g_string_append_uri_escaped(buf, wp_context->status_url, NULL, FALSE);
 547
 548         count = buf->len;
 549
 550         g_free(wp_context->wispr_formdata);
 551         wp_context->wispr_formdata = g_string_free(buf, FALSE);
 552
 553         *data = (guint8 *) wp_context->wispr_formdata;
 554         *length = count;
 555
 556         return false;
 557 }
 558
 559 static void wispr_portal_browser_reply_cb(struct connman_service *service,
 560                                         bool authentication_done,
 561                                         const char *error, void *user_data)
 562 {
 563         struct connman_wispr_portal_context *wp_context = user_data;
 564         struct connman_wispr_portal *wispr_portal;
 565         int index;
 566
 567         DBG("");
 568
 569         if (!service || !wp_context)
 570                 return;
 571
 572         /*
 573          * No way to cancel this if wp_context has been freed, so we lookup
 574          * from the service and check that this is still the right context.
 575          */
 576         index = __connman_service_get_index(service);
 577         if (index < 0)
 578                 return;
 579
 580         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 581                                         GINT_TO_POINTER(index));
 582         if (!wispr_portal)
 583                 return;
 584
 585         if (wp_context != wispr_portal->ipv4_context &&
 586                 wp_context != wispr_portal->ipv6_context)
 587                 return;
 588
 589         if (!authentication_done) {
 590                 wispr_portal_error(wp_context);
 591                 free_wispr_routes(wp_context);
 592                 return;
 593         }
 594
 595         /* Restarting the test */
 596         __connman_service_wispr_start(service, wp_context->type);
 597 }
 598
 599 static void wispr_portal_request_wispr_login(struct connman_service *service,
 600                                 bool success,
 601                                 const char *ssid, int ssid_len,
 602                                 const char *username, const char *password,
 603                                 bool wps, const char *wpspin,
 604                                 const char *error, void *user_data)
 605 {
 606         struct connman_wispr_portal_context *wp_context = user_data;
 607
 608         DBG("");
 609
 610         if (error) {
 611                 if (g_strcmp0(error,
 612                         "net.connman.Agent.Error.LaunchBrowser") == 0) {
 613                         if (__connman_agent_request_browser(service,
 614                                         wispr_portal_browser_reply_cb,
 615                                         wp_context->redirect_url,
 616                                         wp_context) == -EINPROGRESS)
 617                                 return;
 618                 }
 619
 620                 free_connman_wispr_portal_context(wp_context);
 621                 return;
 622         }
 623
 624         g_free(wp_context->wispr_username);
 625         wp_context->wispr_username = g_strdup(username);
 626
 627         g_free(wp_context->wispr_password);
 628         wp_context->wispr_password = g_strdup(password);
 629
 630         wp_context->request_id = g_web_request_post(wp_context->web,
 631                                         wp_context->wispr_msg.login_url,
 632                                         "application/x-www-form-urlencoded",
 633                                         wispr_input, wispr_portal_web_result,
 634                                         wp_context);
 635
 636         connman_wispr_message_init(&wp_context->wispr_msg);
 637 }
 638
 639 static bool wispr_manage_message(GWebResult *result,
 640                         struct connman_wispr_portal_context *wp_context)
 641 {
 642         DBG("Message type: %s (%d)",
 643                 message_type_to_string(wp_context->wispr_msg.message_type),
 644                                         wp_context->wispr_msg.message_type);
 645         DBG("Response code: %s (%d)",
 646                 response_code_to_string(wp_context->wispr_msg.response_code),
 647                                         wp_context->wispr_msg.response_code);
 648
 649         if (wp_context->wispr_msg.access_procedure)
 650                 DBG("Access procedure: %s",
 651                         wp_context->wispr_msg.access_procedure);
 652         if (wp_context->wispr_msg.access_location)
 653                 DBG("Access location: %s",
 654                         wp_context->wispr_msg.access_location);
 655         if (wp_context->wispr_msg.location_name)
 656                 DBG("Location name: %s",
 657                         wp_context->wispr_msg.location_name);
 658         if (wp_context->wispr_msg.login_url)
 659                 DBG("Login URL: %s", wp_context->wispr_msg.login_url);
 660         if (wp_context->wispr_msg.abort_login_url)
 661                 DBG("Abort login URL: %s",
 662                         wp_context->wispr_msg.abort_login_url);
 663         if (wp_context->wispr_msg.logoff_url)
 664                 DBG("Logoff URL: %s", wp_context->wispr_msg.logoff_url);
 665
 666         switch (wp_context->wispr_msg.message_type) {
 667         case 100:
 668                 DBG("Login required");
 669
 670                 wp_context->wispr_result = CONNMAN_WISPR_RESULT_LOGIN;
 671
 672                 if (__connman_agent_request_login_input(wp_context->service,
 673                                         wispr_portal_request_wispr_login,
 674                                         wp_context) != -EINPROGRESS)
 675                         wispr_portal_error(wp_context);
 676                 else
 677                         return true;
 678
 679                 break;
 680         case 120: /* Falling down */
 681         case 140:
 682                 if (wp_context->wispr_msg.response_code == 50) {
 683                         wp_context->wispr_result = CONNMAN_WISPR_RESULT_ONLINE;
 684
 685                         g_free(wp_context->wispr_username);
 686                         wp_context->wispr_username = NULL;
 687
 688                         g_free(wp_context->wispr_password);
 689                         wp_context->wispr_password = NULL;
 690
 691                         g_free(wp_context->wispr_formdata);
 692                         wp_context->wispr_formdata = NULL;
 693
 694                         wispr_portal_request_portal(wp_context);
 695
 696                         return true;
 697                 } else
 698                         wispr_portal_error(wp_context);
 699
 700                 break;
 701         default:
 702                 break;
 703         }
 704
 705         return false;
 706 }
 707
 708 static bool wispr_portal_web_result(GWebResult *result, gpointer user_data)
 709 {
 710         struct connman_wispr_portal_context *wp_context = user_data;
 711         const char *redirect = NULL;
 712         const guint8 *chunk = NULL;
 713         const char *str = NULL;
 714         guint16 status;
 715         gsize length;
 716
 717         DBG("");
 718
 719         if (wp_context->wispr_result != CONNMAN_WISPR_RESULT_ONLINE) {
 720                 g_web_result_get_chunk(result, &chunk, &length);
 721
 722                 if (length > 0) {
 723                         g_web_parser_feed_data(wp_context->wispr_parser,
 724                                                                 chunk, length);
 725                         return true;
 726                 }
 727
 728                 g_web_parser_end_data(wp_context->wispr_parser);
 729
 730                 if (wp_context->wispr_msg.message_type >= 0) {
 731                         if (wispr_manage_message(result, wp_context))
 732                                 goto done;
 733                 }
 734         }
 735
 736         status = g_web_result_get_status(result);
 737
 738         DBG("status: %03u", status);
 739
 740         switch (status) {
 741         case 000:
 742                 __connman_agent_request_browser(wp_context->service,
 743                                 wispr_portal_browser_reply_cb,
 744                                 wp_context->status_url, wp_context);
 745                 break;
 746         case 200:
 747                 if (wp_context->wispr_msg.message_type >= 0)
 748                         break;
 749
 750                 if (g_web_result_get_header(result, "X-ConnMan-Status",
 751                                                 &str)) {
 752                         portal_manage_status(result, wp_context);
 753                         return false;
 754                 } else
 755                         __connman_agent_request_browser(wp_context->service,
 756                                         wispr_portal_browser_reply_cb,
 757                                         wp_context->redirect_url, wp_context);
 758
 759                 break;
 760         case 300:
 761         case 301:
 762         case 302:
 763         case 303:
 764         case 307:
 765         case 308:
 766                 if (!g_web_supports_tls() ||
 767                         !g_web_result_get_header(result, "Location",
 768                                                         &redirect)) {
 769
 770                         __connman_agent_request_browser(wp_context->service,
 771                                         wispr_portal_browser_reply_cb,
 772                                         wp_context->status_url, wp_context);
 773                         break;
 774                 }
 775
 776                 DBG("Redirect URL: %s", redirect);
 777
 778                 wp_context->redirect_url = g_strdup(redirect);
 779
 780                 wp_context->request_id = g_web_request_get(wp_context->web,
 781                                 redirect, wispr_portal_web_result,
 782                                 wispr_route_request, wp_context);
 783
 784                 goto done;
 785         case 400:
 786         case 404:
 787                 __connman_service_online_check(wp_context->service,
 788                                                 wp_context->type, false);
 789
 790                 break;
 791         case 505:
 792                 __connman_agent_request_browser(wp_context->service,
 793                                 wispr_portal_browser_reply_cb,
 794                                 wp_context->status_url, wp_context);
 795                 break;
 796         default:
 797                 break;
 798         }
 799
 800         free_wispr_routes(wp_context);
 801         wp_context->request_id = 0;
 802 done:
 803         wp_context->wispr_msg.message_type = -1;
 804         return false;
 805 }
 806
 807 static void proxy_callback(const char *proxy, void *user_data)
 808 {
 809         struct connman_wispr_portal_context *wp_context = user_data;
 810
 811         DBG("proxy %s", proxy);
 812
 813         if (!wp_context)
 814                 return;
 815
 816         wp_context->token = 0;
 817
 818         if (proxy && g_strcmp0(proxy, "DIRECT") != 0) {
 819                 if (g_str_has_prefix(proxy, "PROXY")) {
 820                         proxy += 5;
 821                         for (; *proxy == ' ' && *proxy != '\0'; proxy++);
 822                 }
 823                 g_web_set_proxy(wp_context->web, proxy);
 824         }
 825
 826         g_web_set_accept(wp_context->web, NULL);
 827         g_web_set_user_agent(wp_context->web, "ConnMan/%s wispr", VERSION);
 828         g_web_set_close_connection(wp_context->web, TRUE);
 829
 830         connman_wispr_message_init(&wp_context->wispr_msg);
 831
 832         wp_context->wispr_parser = g_web_parser_new(
 833                                         "<WISPAccessGatewayParam",
 834                                         "WISPAccessGatewayParam>",
 835                                         xml_wispr_parser_callback, wp_context);
 836
 837         wispr_portal_request_portal(wp_context);
 838 }
 839
 840 static gboolean no_proxy_callback(gpointer user_data)
 841 {
 842         struct connman_wispr_portal_context *wp_context = user_data;
 843
 844         wp_context->timeout = 0;
 845
 846         proxy_callback("DIRECT", wp_context);
 847
 848         return FALSE;
 849 }
 850
 851 static int wispr_portal_detect(struct connman_wispr_portal_context *wp_context)
 852 {
 853         enum connman_service_proxy_method proxy_method;
 854         enum connman_service_type service_type;
 855         char *interface = NULL;
 856         char **nameservers = NULL;
 857         int if_index;
 858         int err = 0;
 859         int i;
 860
 861         DBG("wispr/portal context %p service %p", wp_context,
 862                 wp_context->service);
 863
 864         service_type = connman_service_get_type(wp_context->service);
 865
 866         switch (service_type) {
 867         case CONNMAN_SERVICE_TYPE_ETHERNET:
 868         case CONNMAN_SERVICE_TYPE_WIFI:
 869         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 870         case CONNMAN_SERVICE_TYPE_CELLULAR:
 871         case CONNMAN_SERVICE_TYPE_GADGET:
 872                 break;
 873         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 874         case CONNMAN_SERVICE_TYPE_SYSTEM:
 875         case CONNMAN_SERVICE_TYPE_GPS:
 876         case CONNMAN_SERVICE_TYPE_VPN:
 877         case CONNMAN_SERVICE_TYPE_P2P:
 878                 return -EOPNOTSUPP;
 879         }
 880
 881         interface = connman_service_get_interface(wp_context->service);
 882         if (!interface)
 883                 return -EINVAL;
 884
 885         DBG("interface %s", interface);
 886
 887         if_index = connman_inet_ifindex(interface);
 888         if (if_index < 0) {
 889                 DBG("Could not get ifindex");
 890                 err = -EINVAL;
 891                 goto done;
 892         }
 893
 894         nameservers = connman_service_get_nameservers(wp_context->service);
 895         if (!nameservers) {
 896                 DBG("Could not get nameservers");
 897                 err = -EINVAL;
 898                 goto done;
 899         }
 900
 901         wp_context->web = g_web_new(if_index);
 902         if (!wp_context->web) {
 903                 DBG("Could not set up GWeb");
 904                 err = -ENOMEM;
 905                 goto done;
 906         }
 907
 908         if (getenv("CONNMAN_WEB_DEBUG"))
 909                 g_web_set_debug(wp_context->web, web_debug, "WEB");
 910
 911         if (wp_context->type == CONNMAN_IPCONFIG_TYPE_IPV4) {
 912                 g_web_set_address_family(wp_context->web, AF_INET);
 913                 wp_context->status_url = STATUS_URL_IPV4;
 914         } else {
 915                 g_web_set_address_family(wp_context->web, AF_INET6);
 916                 wp_context->status_url = STATUS_URL_IPV6;
 917         }
 918
 919         for (i = 0; nameservers[i]; i++)
 920                 g_web_add_nameserver(wp_context->web, nameservers[i]);
 921
 922         proxy_method = connman_service_get_proxy_method(wp_context->service);
 923
 924         if (proxy_method != CONNMAN_SERVICE_PROXY_METHOD_DIRECT) {
 925                 wp_context->token = connman_proxy_lookup(interface,
 926                                                 wp_context->status_url,
 927                                                 wp_context->service,
 928                                                 proxy_callback, wp_context);
 929
 930                 if (wp_context->token == 0) {
 931                         err = -EINVAL;
 932                         free_connman_wispr_portal_context(wp_context);
 933                 }
 934         } else if (wp_context->timeout == 0) {
 935                 wp_context->timeout = g_idle_add(no_proxy_callback, wp_context);
 936         }
 937
 938 done:
 939         g_strfreev(nameservers);
 940
 941         g_free(interface);
 942         return err;
 943 }
 944
 945 int __connman_wispr_start(struct connman_service *service,
 946                                         enum connman_ipconfig_type type)
 947 {
 948         struct connman_wispr_portal_context *wp_context = NULL;
 949         struct connman_wispr_portal *wispr_portal = NULL;
 950         int index;
 951
 952         DBG("service %p", service);
 953
 954         if (!wispr_portal_list)
 955                 return -EINVAL;
 956
 957         index = __connman_service_get_index(service);
 958         if (index < 0)
 959                 return -EINVAL;
 960
 961         wispr_portal = g_hash_table_lookup(wispr_portal_list,
 962                                         GINT_TO_POINTER(index));
 963         if (!wispr_portal) {
 964                 wispr_portal = g_try_new0(struct connman_wispr_portal, 1);
 965                 if (!wispr_portal)
 966                         return -ENOMEM;
 967
 968                 g_hash_table_replace(wispr_portal_list,
 969                                         GINT_TO_POINTER(index), wispr_portal);
 970         }
 971
 972         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 973                 wp_context = wispr_portal->ipv4_context;
 974         else if (type == CONNMAN_IPCONFIG_TYPE_IPV6)
 975                 wp_context = wispr_portal->ipv6_context;
 976         else
 977                 return -EINVAL;
 978
 979         /* If there is already an existing context, we wipe it */
 980         if (wp_context)
 981                 free_connman_wispr_portal_context(wp_context);
 982
 983         wp_context = create_wispr_portal_context();
 984         if (!wp_context)
 985                 return -ENOMEM;
 986
 987         wp_context->service = service;
 988         wp_context->type = type;
 989         wp_context->wispr_portal = wispr_portal;
 990
 991         if (type == CONNMAN_IPCONFIG_TYPE_IPV4)
 992                 wispr_portal->ipv4_context = wp_context;
 993         else
 994                 wispr_portal->ipv6_context = wp_context;
 995
 996         return wispr_portal_detect(wp_context);
 997 }
 998
 999 void __connman_wispr_stop(struct connman_service *service)
1000 {
1001         struct connman_wispr_portal *wispr_portal;
1002         int index;
1003
1004         DBG("service %p", service);
1005
1006         if (!wispr_portal_list)
1007                 return;
1008
1009         index = __connman_service_get_index(service);
1010         if (index < 0)
1011                 return;
1012
1013         wispr_portal = g_hash_table_lookup(wispr_portal_list,
1014                                         GINT_TO_POINTER(index));
1015         if (!wispr_portal)
1016                 return;
1017
1018         if (wispr_portal->ipv4_context) {
1019                 if (service == wispr_portal->ipv4_context->service)
1020                         g_hash_table_remove(wispr_portal_list,
1021                                         GINT_TO_POINTER(index));
1022         }
1023
1024         if (wispr_portal->ipv6_context) {
1025                 if (service == wispr_portal->ipv6_context->service)
1026                         g_hash_table_remove(wispr_portal_list,
1027                                         GINT_TO_POINTER(index));
1028         }
1029 }
1030
1031 int __connman_wispr_init(void)
1032 {
1033         DBG("");
1034
1035         wispr_portal_list = g_hash_table_new_full(g_direct_hash,
1036                                                 g_direct_equal, NULL,
1037                                                 free_connman_wispr_portal);
1038
1039         enable_online_to_ready_transition =
1040                 connman_setting_get_bool("EnableOnlineToReadyTransition");
1041
1042         return 0;
1043 }
1044
1045 void __connman_wispr_cleanup(void)
1046 {
1047         DBG("");
1048
1049         g_hash_table_destroy(wispr_portal_list);
1050         wispr_portal_list = NULL;
1051 }