diff options
Diffstat (limited to 'plugins/dbusoob.c')
| -rw-r--r-- | plugins/dbusoob.c | 234 |
1 files changed, 234 insertions, 0 deletions
diff --git a/plugins/dbusoob.c b/plugins/dbusoob.c new file mode 100644 index 0000000..2c03780 --- /dev/null +++ b/plugins/dbusoob.c @@ -0,0 +1,234 @@ +/* + * + * 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) |