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/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2006 Marcel Holtmann <marcel@holtmann.org>
*
*
* 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 <stdio.h>
#include <errno.h>
#include <unistd.h>
#include <sys/socket.h>
#include <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/hci_lib.h>
#include <dbus/dbus.h>
#include "hcid.h"
#include "dbus.h"
static DBusHandlerResult interface_version(DBusConnection *conn,
DBusMessage *msg, void *data)
{
DBusMessage *reply;
dbus_uint32_t version = 0;
if (!dbus_message_has_signature(msg, DBUS_TYPE_INVALID_AS_STRING))
return error_invalid_arguments(conn, msg);
reply = dbus_message_new_method_return(msg);
if (!reply)
return DBUS_HANDLER_RESULT_NEED_MEMORY;
dbus_message_append_args(reply, DBUS_TYPE_UINT32, &version,
DBUS_TYPE_INVALID);
return send_reply_and_unref(conn, reply);
}
static DBusHandlerResult default_adapter(DBusConnection *conn,
DBusMessage *msg, void *data)
{
DBusMessage *reply;
char path[MAX_PATH_LENGTH], *path_ptr = path;
int default_dev = get_default_dev_id();
if (!dbus_message_has_signature(msg, DBUS_TYPE_INVALID_AS_STRING))
return error_invalid_arguments(conn, msg);
if (default_dev < 0)
return error_no_such_adapter(conn, msg);
reply = dbus_message_new_method_return(msg);
if (!reply)
return DBUS_HANDLER_RESULT_NEED_MEMORY;
snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, default_dev);
dbus_message_append_args(reply, DBUS_TYPE_STRING, &path_ptr,
DBUS_TYPE_INVALID);
return send_reply_and_unref(conn, reply);
}
static DBusHandlerResult find_adapter(DBusConnection *conn,
DBusMessage *msg, void *data)
{
DBusMessage *reply;
DBusError err;
char path[MAX_PATH_LENGTH], *path_ptr = path;
const char *pattern;
int dev_id;
dbus_error_init(&err);
dbus_message_get_args(msg, &err,
DBUS_TYPE_STRING, &pattern,
DBUS_TYPE_INVALID);
if (dbus_error_is_set(&err)) {
error("Can't extract message arguments:%s", err.message);
dbus_error_free(&err);
return error_invalid_arguments(conn, msg);
}
dev_id = hci_devid(pattern);
if (dev_id < 0)
return error_no_such_adapter(conn, msg);
reply = dbus_message_new_method_return(msg);
if (!reply)
return DBUS_HANDLER_RESULT_NEED_MEMORY;
snprintf(path, sizeof(path), "%s/hci%d", BASE_PATH, dev_id);
dbus_message_append_args(reply, DBUS_TYPE_STRING, &path_ptr,
DBUS_TYPE_INVALID);
return send_reply_and_unref(conn, reply);
}
static DBusHandlerResult list_adapters(DBusConnection *conn,
DBusMessage *msg, void *data)
{
DBusMessageIter iter;
DBusMessageIter array_iter;
DBusMessage *reply;
struct hci_dev_list_req *dl;
struct hci_dev_req *dr;
int i, sk;
if (!dbus_message_has_signature(msg, DBUS_TYPE_INVALID_AS_STRING))
return error_invalid_arguments(conn, msg);
sk = socket(AF_BLUETOOTH, SOCK_RAW, BTPROTO_HCI);
if (sk < 0)
return error_failed(conn, msg, errno);
dl = malloc(HCI_MAX_DEV * sizeof(*dr) + sizeof(*dl));
if (!dl) {
close(sk);
return error_out_of_memory(conn, msg);
}
dl->dev_num = HCI_MAX_DEV;
dr = dl->dev_req;
if (ioctl(sk, HCIGETDEVLIST, dl) < 0) {
close(sk);
free(dl);
return error_failed(conn, msg, errno);
}
dr = dl->dev_req;
reply = dbus_message_new_method_return(msg);
if (!reply) {
close(sk);
free(dl);
return DBUS_HANDLER_RESULT_NEED_MEMORY;
}
dbus_message_iter_init_append(reply, &iter);
dbus_message_iter_open_container(&iter, DBUS_TYPE_ARRAY,
DBUS_TYPE_STRING_AS_STRING, &array_iter);
for (i = 0; i < dl->dev_num; i++, dr++) {
char path[MAX_PATH_LENGTH], *path_ptr = path;
struct hci_dev_info di;
memset(&di, 0 , sizeof(struct hci_dev_info));
di.dev_id = dr->dev_id;
if (ioctl(sk, HCIGETDEVINFO, &di) < 0)
continue;
snprintf(path, sizeof(path), "%s/%s", BASE_PATH, di.name);
dbus_message_iter_append_basic(&array_iter,
DBUS_TYPE_STRING, &path_ptr);
}
dbus_message_iter_close_container(&iter, &array_iter);
free(dl);
close(sk);
return send_reply_and_unref(conn, reply);
}
static DBusHandlerResult list_services(DBusConnection *conn,
DBusMessage *msg, void *data)
{
DBusMessage *reply;
if (!dbus_message_has_signature(msg, DBUS_TYPE_INVALID_AS_STRING))
return error_invalid_arguments(conn, msg);
reply = dbus_message_new_method_return(msg);
if (!reply)
return DBUS_HANDLER_RESULT_NEED_MEMORY;
return send_reply_and_unref(conn, reply);
}
static struct service_data methods[] = {
{ "InterfaceVersion", interface_version },
{ "DefaultAdapter", default_adapter },
{ "FindAdapter", find_adapter },
{ "ListAdapters", list_adapters },
{ "ListServices", list_services },
{ NULL, NULL }
};
DBusHandlerResult msg_func_manager(DBusConnection *conn,
DBusMessage *msg, void *data)
{
service_handler_func_t handler;
const char *iface, *path, *name;
iface = dbus_message_get_interface(msg);
path = dbus_message_get_path(msg);
name = dbus_message_get_member(msg);
if (strcmp(BASE_PATH, path))
return error_no_such_adapter(conn, msg);
if (!strcmp(DBUS_INTERFACE_INTROSPECTABLE, iface) &&
!strcmp("Introspect", name)) {
return simple_introspect(conn, msg, data);
} else if (!strcmp(iface, MANAGER_INTERFACE)) {
handler = find_service_handler(methods, msg);
if (handler)
return handler(conn, msg, data);
else
return DBUS_HANDLER_RESULT_NOT_YET_HANDLED;
}
if (!strcmp(iface, SECURITY_INTERFACE))
return handle_security_method(conn, msg, data);
return error_unknown_method(conn, msg);
}
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