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/*
*
* Connection Manager
*
* Copyright (C) 2007-2009 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA
*
*/
#ifdef HAVE_CONFIG_H
#include <config.h>
#endif
#include <errno.h>
#include <syslog.h>
#include <gdbus.h>
#include "supplicant.h"
#define DBG(fmt, arg...) do { \
syslog(LOG_DEBUG, "%s() " fmt, __FUNCTION__ , ## arg); \
} while (0)
#define SUPPLICANT_SERVICE "fi.w1.wpa_supplicant1"
#define SUPPLICANT_INTERFACE "fi.w1.wpa_supplicant1"
#define SUPPLICANT_PATH "/fi/w1/wpa_supplicant1"
#define TIMEOUT 5000
static DBusConnection *connection;
static void show_property(const char *key, DBusMessageIter *iter)
{
DBusMessageIter array;
const char *str;
unsigned char byte;
switch (dbus_message_iter_get_arg_type(iter)) {
case DBUS_TYPE_STRING:
dbus_message_iter_get_basic(iter, &str);
DBG("%s = %s", key, str);
break;
case DBUS_TYPE_BYTE:
dbus_message_iter_get_basic(iter, &byte);
DBG("%s = %u", key, byte);
break;
case DBUS_TYPE_ARRAY:
DBG("%s = {array}", key);
dbus_message_iter_recurse(iter, &array);
while (dbus_message_iter_get_arg_type(&array) != DBUS_TYPE_INVALID) {
dbus_message_iter_get_basic(&array, &str);
DBG(" %s", str);
dbus_message_iter_next(&array);
}
break;
default:
DBG("%s = ...", key);
break;
}
}
static void properties_decode(DBusMessageIter *iter)
{
DBusMessageIter dict;
if (dbus_message_iter_get_arg_type(iter) != DBUS_TYPE_ARRAY) {
syslog(LOG_ERR, "Invalid message type");
return;
}
dbus_message_iter_recurse(iter, &dict);
while (dbus_message_iter_get_arg_type(&dict) == DBUS_TYPE_DICT_ENTRY) {
DBusMessageIter entry, value;
const char *key;
dbus_message_iter_recurse(&dict, &entry);
if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_STRING)
return;
dbus_message_iter_get_basic(&entry, &key);
dbus_message_iter_next(&entry);
if (dbus_message_iter_get_arg_type(&entry) != DBUS_TYPE_VARIANT)
return;
dbus_message_iter_recurse(&entry, &value);
show_property(key, &value);
dbus_message_iter_next(&dict);
}
}
static void properties_get_all_reply(DBusPendingCall *call, void *user_data)
{
DBusMessage *reply;
DBusMessageIter iter;
DBG("call %p", call);
reply = dbus_pending_call_steal_reply(call);
if (reply == NULL)
return;
if (dbus_message_get_type(reply) == DBUS_MESSAGE_TYPE_ERROR)
goto failed;
if (dbus_message_iter_init(reply, &iter) == FALSE)
goto failed;
DBG("success");
properties_decode(&iter);
dbus_message_unref(reply);
return;
failed:
dbus_message_unref(reply);
}
static int properties_get_all(const char *path, const char *interface)
{
DBusMessage *message;
DBusPendingCall *call;
DBG("");
message = dbus_message_new_method_call(SUPPLICANT_SERVICE, path,
DBUS_INTERFACE_PROPERTIES, "GetAll");
if (message == NULL)
return -ENOMEM;
dbus_message_set_auto_start(message, FALSE);
dbus_message_append_args(message, DBUS_TYPE_STRING, &interface, NULL);
if (dbus_connection_send_with_reply(connection, message,
&call, TIMEOUT) == FALSE) {
syslog(LOG_ERR, "Failed to add interface");
dbus_message_unref(message);
return -EIO;
}
if (call == NULL) {
syslog(LOG_ERR, "D-Bus connection not available");
dbus_message_unref(message);
return -EIO;
}
DBG("call %p", call);
dbus_pending_call_set_notify(call, properties_get_all_reply,
NULL, NULL);
dbus_message_unref(message);
return 0;
}
int supplicant_init(void)
{
DBG("");
connection = dbus_bus_get(DBUS_BUS_SYSTEM, NULL);
if (connection == NULL)
return -EIO;
properties_get_all(SUPPLICANT_PATH, SUPPLICANT_INTERFACE);
return 0;
}
void supplicant_exit(void)
{
DBG("");
if (connection != NULL)
dbus_connection_unref(connection);
}
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