plugins/portal.c

   1 /*
   2  *
   3  *  Connection Manager
   4  *
   5  *  Copyright (C) 2007-2010  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 <glib.h>
  30
  31 #define CONNMAN_API_SUBJECT_TO_CHANGE
  32 #include <connman/plugin.h>
  33 #include <connman/location.h>
  34 #include <connman/proxy.h>
  35 #include <connman/log.h>
  36
  37 #include "gweb/gweb.h"
  38
  39 #define STATUS_URL  "http://www.connman.net/online/status.html"
  40
  41 struct server_data {
  42         GWeb *web;
  43         guint request_id;
  44 };
  45
  46 static void web_debug(const char *str, void *data)
  47 {
  48         connman_info("%s: %s\n", (const char *) data, str);
  49 }
  50
  51 static gboolean web_result(GWebResult *result, gpointer user_data)
  52 {
  53         struct connman_location *location = user_data;
  54         struct server_data *data = connman_location_get_data(location);
  55         guint16 status;
  56
  57         if (data->request_id == 0)
  58                 return FALSE;
  59
  60         status = g_web_result_get_status(result);
  61
  62         DBG("status %u", status);
  63
  64         switch (status) {
  65         case 200:
  66                 connman_location_report_result(location,
  67                                         CONNMAN_LOCATION_RESULT_ONLINE);
  68                 break;
  69         case 302:
  70                 connman_location_report_result(location,
  71                                         CONNMAN_LOCATION_RESULT_PORTAL);
  72                 break;
  73         default:
  74                 connman_location_report_result(location,
  75                                         CONNMAN_LOCATION_RESULT_UNKNOWN);
  76                 break;
  77         }
  78
  79         data->request_id = 0;
  80
  81         return FALSE;
  82 }
  83
  84 static void proxy_callback(const char *proxy, void *user_data)
  85 {
  86         struct connman_location *location = user_data;
  87         struct server_data *data = connman_location_get_data(location);
  88
  89         DBG("proxy %s", proxy);
  90
  91         if (proxy == NULL)
  92                 proxy = getenv("http_proxy");
  93
  94         if (data != NULL) {
  95                 g_web_set_proxy(data->web, proxy);
  96
  97                 data->request_id = g_web_request_get(data->web, STATUS_URL,
  98                                                         web_result, location);
  99         }
 100
 101         connman_location_unref(location);
 102 }
 103
 104 static int location_detect(struct connman_location *location)
 105 {
 106         struct server_data *data;
 107         enum connman_service_type service_type;
 108         const char *interface;
 109         int err;
 110
 111         DBG("location %p", location);
 112
 113         service_type = connman_location_get_type(location);
 114
 115         switch (service_type) {
 116         case CONNMAN_SERVICE_TYPE_ETHERNET:
 117         case CONNMAN_SERVICE_TYPE_WIFI:
 118         case CONNMAN_SERVICE_TYPE_WIMAX:
 119         case CONNMAN_SERVICE_TYPE_BLUETOOTH:
 120         case CONNMAN_SERVICE_TYPE_CELLULAR:
 121                 break;
 122         case CONNMAN_SERVICE_TYPE_UNKNOWN:
 123         case CONNMAN_SERVICE_TYPE_SYSTEM:
 124         case CONNMAN_SERVICE_TYPE_GPS:
 125         case CONNMAN_SERVICE_TYPE_VPN:
 126                 return -EOPNOTSUPP;
 127         }
 128
 129         interface = connman_location_get_interface(location);
 130         if (interface == NULL)
 131                 return -EINVAL;
 132
 133         DBG("interface %s", interface);
 134
 135         data = g_try_new0(struct server_data, 1);
 136         if (data == NULL)
 137                 return -ENOMEM;
 138
 139         connman_location_set_data(location, data);
 140
 141         data->web = g_web_new(0);
 142         if (data->web == NULL) {
 143                 g_free(data);
 144                 return -ENOMEM;
 145         }
 146
 147         if (getenv("CONNMAN_WEB_DEBUG"))
 148                 g_web_set_debug(data->web, web_debug, "WEB");
 149
 150         g_web_set_accept(data->web, NULL);
 151         g_web_set_user_agent(data->web, "ConnMan/%s", VERSION);
 152         g_web_set_close_connection(data->web, TRUE);
 153
 154         err = connman_proxy_lookup(interface, STATUS_URL,
 155                                         proxy_callback, location);
 156         if (err < 0)
 157                 return err;
 158
 159         connman_location_ref(location);
 160
 161         return 0;
 162 }
 163
 164 static int location_finish(struct connman_location *location)
 165 {
 166         struct server_data *data = connman_location_get_data(location);
 167
 168         DBG("location %p", location);
 169
 170         connman_location_set_data(location, NULL);
 171
 172         if (data->request_id > 0)
 173                 g_web_cancel_request(data->web, data->request_id);
 174
 175         g_web_unref(data->web);
 176
 177         g_free(data);
 178
 179         return 0;
 180 }
 181
 182 static struct connman_location_driver location = {
 183         .name           = "portal",
 184         .type           = CONNMAN_SERVICE_TYPE_WIFI,
 185         .priority       = CONNMAN_LOCATION_PRIORITY_HIGH,
 186         .detect         = location_detect,
 187         .finish         = location_finish,
 188 };
 189
 190 static int portal_init(void)
 191 {
 192         return connman_location_driver_register(&location);
 193 }
 194
 195 static void portal_exit(void)
 196 {
 197         connman_location_driver_unregister(&location);
 198 }
 199
 200 CONNMAN_PLUGIN_DEFINE(portal, "Portal detection plugin", VERSION,
 201                 CONNMAN_PLUGIN_PRIORITY_DEFAULT, portal_init, portal_exit)