/*
*
* BlueZ - Bluetooth protocol stack for Linux
*
* Copyright (C) 2004-2009 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 <bluetooth/bluetooth.h>
#include <bluetooth/hci.h>
#include <bluetooth/bnep.h>
#include <bluetooth/sdp.h>
#include <glib.h>
#include <gdbus.h>
#include "logging.h"
#include "adapter.h"
#include "device.h"
#include "bridge.h"
#include "manager.h"
#include "common.h"
#include "connection.h"
#include "server.h"
#define IFACE_PREFIX "bnep%d"
#define GN_IFACE "pan0"
#define NAP_IFACE "pan1"
static struct btd_adapter_driver network_panu_server_driver;
static struct btd_adapter_driver network_gn_server_driver;
static struct btd_adapter_driver network_nap_server_driver;
static DBusConnection *connection = NULL;
static struct network_conf {
gboolean connection_enabled;
gboolean server_enabled;
gboolean security;
char *iface_prefix;
char *panu_script;
char *gn_script;
char *nap_script;
char *gn_iface;
char *nap_iface;
} conf = {
.connection_enabled = TRUE,
.server_enabled = TRUE,
.security = TRUE,
.iface_prefix = NULL,
.panu_script = NULL,
.gn_script = NULL,
.nap_script = NULL,
.gn_iface = NULL,
.nap_iface = NULL
};
static void conf_cleanup(void)
{
g_free(conf.iface_prefix);
g_free(conf.panu_script);
g_free(conf.gn_script);
g_free(conf.nap_script);
g_free(conf.gn_iface);
g_free(conf.nap_iface);
}
static void read_config(const char *file)
{
GKeyFile *keyfile;
GError *err = NULL;
char **disabled;
keyfile = g_key_file_new();
if (!g_key_file_load_from_file(keyfile, file, 0, &err)) {
error("Parsing %s failed: %s", file, err->message);
g_clear_error(&err);
goto done;
}
disabled = g_key_file_get_string_list(keyfile, "General",
"Disable", NULL, &err);
if (err) {
debug("%s: %s", file, err->message);
g_clear_error(&err);
} else {
int i;
for (i = 0; disabled[i] != NULL; i++) {
if (g_str_equal(disabled[i], "Connection"))
conf.connection_enabled = FALSE;
else if (g_str_equal(disabled[i], "Server"))
conf.server_enabled = FALSE;
}
g_strfreev(disabled);
}
conf.security = !g_key_file_get_boolean(keyfile, "General",
"DisableSecurity", &err);
if (err) {
debug("%s: %s", file, err->message);
g_clear_error(&err);
}
#if 0
conf.panu_script = g_key_file_get_string(keyfile, "PANU Role",
"Script", &err);
if (err) {
debug("%s: %s", file, err->message);
g_clear_error(&err);
}
conf.gn_script = g_key_file_get_string(keyfile, "GN Role",
"Script", &err);
if (err) {
debug("%s: %s", file, err->message);
g_clear_error(&err);
}
conf.nap_script = g_key_file_get_string(keyfile, "NAP Role",
"Script", &err);
if (err) {
debug("%s: %s", file, err->message);
g_clear_error(&err);
}
#endif
conf.iface_prefix = g_key_file_get_string(keyfile, "PANU Role",
"Interface", &err);
if (err) {
debug("%s: %s", file, err->message);
g_clear_error(&err);
}
conf.gn_iface = g_key_file_get_string(keyfile, "GN Role",
"Interface", &err);
if (err) {
debug("%s: %s", file, err->message);
g_clear_error(&err);
}
conf.nap_iface = g_key_file_get_string(keyfile, "NAP Role",
"Interface", &err);
if (err) {
debug("%s: %s", file, err->message);
g_clear_error(&err);
}
done:
g_key_file_free(keyfile);
if (!conf.iface_prefix)
conf.iface_prefix = g_strdup(IFACE_PREFIX);
if (!conf.gn_iface)
conf.gn_iface = g_strdup(GN_IFACE);
if (!conf.nap_iface)
conf.nap_iface = g_strdup(NAP_IFACE);
debug("Config options: InterfacePrefix=%s, PANU_Script=%s, "
"GN_Script=%s, NAP_Script=%s, GN_Interface=%s, "
"NAP_Interface=%s, Security=%s",
conf.iface_prefix, conf.panu_script, conf.gn_script,
conf.nap_script, conf.gn_iface, conf.nap_iface,
conf.security ? "true" : "false");
}
static int network_probe(struct btd_device *device, GSList *uuids, uint16_t id)
{
struct btd_adapter *adapter = device_get_adapter(device);
const gchar *path = device_get_path(device);
bdaddr_t src, dst;
DBG("path %s", path);
adapter_get_address(adapter, &src);
device_get_address(device, &dst);
return connection_register(device, path, &src, &dst, id);
}
static void network_remove(struct btd_device *device, uint16_t id)
{
const gchar *path = device_get_path(device);
DBG("path %s", path);
connection_unregister(path, id);
}
static int panu_probe(struct btd_device *device, GSList *uuids)
{
return network_probe(device, uuids, BNEP_SVC_PANU);
}
static void panu_remove(struct btd_device *device)
{
network_remove(device, BNEP_SVC_PANU);
}
static int gn_probe(struct btd_device *device, GSList *uuids)
{
return network_probe(device, uuids, BNEP_SVC_GN);
}
static void gn_remove(struct btd_device *device)
{
network_remove(device, BNEP_SVC_GN);
}
static int nap_probe(struct btd_device *device, GSList *uuids)
{
return network_probe(device, uuids, BNEP_SVC_NAP);
}
static void nap_remove(struct btd_device *device)
{
network_remove(device, BNEP_SVC_NAP);
}
static int network_server_probe(struct btd_adapter *adapter, uint16_t id)
{
const gchar *path = adapter_get_path(adapter);
DBG("path %s", path);
if (!conf.server_enabled)
return 0;
return server_register(adapter, id);
}
static void network_server_remove(struct btd_adapter *adapter, uint16_t id)
{
const gchar *path = adapter_get_path(adapter);
DBG("path %s", path);
server_unregister(adapter, id);
}
static int panu_server_probe(struct btd_adapter *adapter)
{
return network_server_probe(adapter, BNEP_SVC_PANU);
}
static int gn_server_probe(struct btd_adapter *adapter)
{
return network_server_probe(adapter, BNEP_SVC_GN);
}
static int nap_server_probe(struct btd_adapter *adapter)
{
return network_server_probe(adapter, BNEP_SVC_NAP);
}
static void panu_server_remove(struct btd_adapter *adapter)
{
network_server_remove(adapter, BNEP_SVC_PANU);
}
static void gn_server_remove(struct btd_adapter *adapter)
{
network_server_remove(adapter, BNEP_SVC_GN);
}
static void nap_server_remove(struct btd_adapter *adapter)
{
network_server_remove(adapter, BNEP_SVC_NAP);
}
static struct btd_device_driver network_panu_driver = {
.name = "network-panu",
.uuids = BTD_UUIDS(PANU_UUID),
.probe = panu_probe,
.remove = panu_remove,
};
static struct btd_device_driver network_gn_driver = {
.name = "network-gn",
.uuids = BTD_UUIDS(GN_UUID),
.probe = gn_probe,
.remove = gn_remove,
};
static struct btd_device_driver network_nap_driver = {
.name = "network-nap",
.uuids = BTD_UUIDS(NAP_UUID),
.probe = nap_probe,
.remove = nap_remove,
};
static struct btd_adapter_driver network_panu_server_driver = {
.name = "network-panu-server",
.probe = panu_server_probe,
.remove = panu_server_remove,
};
static struct btd_adapter_driver network_gn_server_driver = {
.name = "network-gn-server",
.probe = gn_server_probe,
.remove = gn_server_remove,
};
static struct btd_adapter_driver network_nap_server_driver = {
.name = "network-nap-server",
.probe = nap_server_probe,
.remove = nap_server_remove,
};
int network_manager_init(DBusConnection *conn)
{
read_config(CONFIGDIR "/network.conf");
if (bnep_init(conf.panu_script, conf.gn_script, conf.nap_script)) {
error("Can't init bnep module");
return -1;
}
/*
* There is one socket to handle the incomming connections. NAP,
* GN and PANU servers share the same PSM. The initial BNEP message
* (setup connection request) contains the destination service
* field that defines which service the source is connecting to.
*/
if (bridge_init(conf.gn_iface, conf.nap_iface) < 0) {
error("Can't init bridge module");
return -1;
}
if (server_init(conn, conf.iface_prefix, conf.security) < 0)
return -1;
/* Register PANU, GN and NAP servers if they don't exist */
btd_register_adapter_driver(&network_panu_server_driver);
btd_register_adapter_driver(&network_gn_server_driver);
btd_register_adapter_driver(&network_nap_server_driver);
if (connection_init(conn, conf.iface_prefix) < 0)
return -1;
btd_register_device_driver(&network_panu_driver);
btd_register_device_driver(&network_gn_driver);
btd_register_device_driver(&network_nap_driver);
connection = dbus_connection_ref(conn);
return 0;
}
void network_manager_exit(void)
{
if (conf.server_enabled)
server_exit();
if (conf.connection_enabled) {
btd_unregister_device_driver(&network_panu_driver);
btd_unregister_device_driver(&network_gn_driver);
btd_unregister_device_driver(&network_nap_driver);
connection_exit();
}
btd_unregister_adapter_driver(&network_panu_server_driver);
btd_unregister_adapter_driver(&network_gn_server_driver);
btd_unregister_adapter_driver(&network_nap_server_driver);
dbus_connection_unref(connection);
connection = NULL;
bnep_cleanup();
bridge_cleanup();
conf_cleanup();
}