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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2011 ST-Ericsson SA
*
* Author: Szymon Janc <szymon.janc@tieto.com> for ST-Ericsson
*
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation; either version 2 of the License, or
* (at your option) any later version.
*
* 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 <gdbus.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/sdp.h>
#include "plugin.h"
#include "log.h"
#include "adapter.h"
#include "device.h"
#include "manager.h"
#include "dbus-common.h"
#include "event.h"
#include "error.h"
#include "oob.h"
#define OOB_INTERFACE "org.bluez.OutOfBand"
struct oob_request {
struct btd_adapter *adapter;
DBusMessage *msg;
};
static GSList *oob_requests = NULL;
static DBusConnection *connection = NULL;
static gint oob_request_cmp(gconstpointer a, gconstpointer b)
{
const struct oob_request *data = a;
const struct btd_adapter *adapter = b;
return data->adapter != adapter;
}
static struct oob_request *find_oob_request(struct btd_adapter *adapter)
{
GSList *match;
match = g_slist_find_custom(oob_requests, adapter, oob_request_cmp);
if (match)
return match->data;
return NULL;
}
static void read_local_data_complete(struct btd_adapter *adapter, uint8_t *hash,
uint8_t *randomizer)
{
struct DBusMessage *reply;
struct oob_request *oob_request;
oob_request = find_oob_request(adapter);
if (!oob_request)
return;
if (hash && randomizer)
reply = g_dbus_create_reply(oob_request->msg,
DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &hash, 16,
DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &randomizer, 16,
DBUS_TYPE_INVALID);
else
reply = btd_error_failed(oob_request->msg,
"Failed to read local OOB data.");
oob_requests = g_slist_remove(oob_requests, oob_request);
dbus_message_unref(oob_request->msg);
g_free(oob_request);
if (!reply) {
error("Couldn't allocate D-Bus message");
return;
}
if (!g_dbus_send_message(connection, reply))
error("D-Bus send failed");
}
static DBusMessage *read_local_data(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct btd_adapter *adapter = data;
struct oob_request *oob_request;
if (find_oob_request(adapter))
return btd_error_in_progress(msg);
if (btd_adapter_read_local_oob_data(adapter))
return btd_error_failed(msg, "Request failed.");
oob_request = g_new(struct oob_request, 1);
oob_request->adapter = adapter;
oob_requests = g_slist_append(oob_requests, oob_request);
oob_request->msg = dbus_message_ref(msg);
return NULL;
}
static DBusMessage *add_remote_data(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct btd_adapter *adapter = data;
uint8_t *hash, *randomizer;
int32_t hlen, rlen;
const char *addr;
bdaddr_t bdaddr;
if (!dbus_message_get_args(msg, NULL,
DBUS_TYPE_STRING, &addr,
DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &hash, &hlen,
DBUS_TYPE_ARRAY, DBUS_TYPE_BYTE, &randomizer, &rlen,
DBUS_TYPE_INVALID))
return btd_error_invalid_args(msg);
if (hlen != 16 || rlen != 16 || bachk(addr))
return btd_error_invalid_args(msg);
str2ba(addr, &bdaddr);
if (btd_adapter_add_remote_oob_data(adapter, &bdaddr, hash, randomizer))
return btd_error_failed(msg, "Request failed");
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
}
static DBusMessage *remove_remote_data(DBusConnection *conn, DBusMessage *msg,
void *data)
{
struct btd_adapter *adapter = data;
const char *addr;
bdaddr_t bdaddr;
if (!dbus_message_get_args(msg, NULL, DBUS_TYPE_STRING, &addr,
DBUS_TYPE_INVALID))
return btd_error_invalid_args(msg);
if (bachk(addr))
return btd_error_invalid_args(msg);
str2ba(addr, &bdaddr);
if (btd_adapter_remove_remote_oob_data(adapter, &bdaddr))
return btd_error_failed(msg, "Request failed");
return g_dbus_create_reply(msg, DBUS_TYPE_INVALID);
}
static GDBusMethodTable oob_methods[] = {
{"AddRemoteData", "sayay", "", add_remote_data},
{"RemoveRemoteData", "s", "", remove_remote_data},
{"ReadLocalData", "", "ayay", read_local_data,
G_DBUS_METHOD_FLAG_ASYNC},
{}
};
static int oob_probe(struct btd_adapter *adapter)
{
const char *path = adapter_get_path(adapter);
if (!g_dbus_register_interface(connection, path, OOB_INTERFACE,
oob_methods, NULL, NULL, adapter, NULL)) {
error("OOB interface init failed on path %s", path);
return -EIO;
}
return 0;
}
static void oob_remove(struct btd_adapter *adapter)
{
read_local_data_complete(adapter, NULL, NULL);
g_dbus_unregister_interface(connection, adapter_get_path(adapter),
OOB_INTERFACE);
}
static struct btd_adapter_driver oob_driver = {
.name = "oob",
.probe = oob_probe,
.remove = oob_remove,
};
static int dbusoob_init(void)
{
DBG("Setup dbusoob plugin");
connection = get_dbus_connection();
oob_register_cb(read_local_data_complete);
return btd_register_adapter_driver(&oob_driver);
}
static void dbusoob_exit(void)
{
DBG("Cleanup dbusoob plugin");
manager_foreach_adapter((adapter_cb) oob_remove, NULL);
btd_unregister_adapter_driver(&oob_driver);
}
BLUETOOTH_PLUGIN_DEFINE(dbusoob, VERSION, BLUETOOTH_PLUGIN_PRIORITY_DEFAULT,
dbusoob_init, dbusoob_exit)
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