nm-wifi-factory.c 5.01 KB
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/* -*- Mode: C; tab-width: 4; indent-tabs-mode: t; c-basic-offset: 4 -*- */
/* NetworkManager -- Network link manager
 *
 * 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 Street, Fifth Floor, Boston, MA 02110-1301 USA.
 *
 * Copyright (C) 2011 - 2014 Red Hat, Inc.
 */

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#include "nm-default.h"
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#include <gmodule.h>

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#include "devices/nm-device-factory.h"
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#include "nm-setting-wireless.h"
#include "nm-setting-olpc-mesh.h"
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#include "nm-device-wifi.h"
#include "nm-device-olpc-mesh.h"
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#include "nm-device-iwd.h"
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#include "settings/nm-settings-connection.h"
#include "platform/nm-platform.h"
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#include "nm-config.h"
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/*****************************************************************************/
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#define NM_TYPE_WIFI_FACTORY            (nm_wifi_factory_get_type ())
#define NM_WIFI_FACTORY(obj)            (G_TYPE_CHECK_INSTANCE_CAST ((obj), NM_TYPE_WIFI_FACTORY, NMWifiFactory))
#define NM_WIFI_FACTORY_CLASS(klass)    (G_TYPE_CHECK_CLASS_CAST ((klass),  NM_TYPE_WIFI_FACTORY, NMWifiFactoryClass))
#define NM_IS_WIFI_FACTORY(obj)         (G_TYPE_CHECK_INSTANCE_TYPE ((obj), NM_TYPE_WIFI_FACTORY))
#define NM_IS_WIFI_FACTORY_CLASS(klass) (G_TYPE_CHECK_CLASS_TYPE ((klass),  NM_TYPE_WIFI_FACTORY))
#define NM_WIFI_FACTORY_GET_CLASS(obj)  (G_TYPE_INSTANCE_GET_CLASS ((obj),  NM_TYPE_WIFI_FACTORY, NMWifiFactoryClass))
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typedef struct {
	NMDeviceFactory parent;
} NMWifiFactory;
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typedef struct {
	NMDeviceFactoryClass parent;
} NMWifiFactoryClass;
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static GType nm_wifi_factory_get_type (void);
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G_DEFINE_TYPE (NMWifiFactory, nm_wifi_factory, NM_TYPE_DEVICE_FACTORY)
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/*****************************************************************************/
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NM_DEVICE_FACTORY_DECLARE_TYPES (
	NM_DEVICE_FACTORY_DECLARE_LINK_TYPES    (NM_LINK_TYPE_WIFI, NM_LINK_TYPE_OLPC_MESH)
	NM_DEVICE_FACTORY_DECLARE_SETTING_TYPES (NM_SETTING_WIRELESS_SETTING_NAME, NM_SETTING_OLPC_MESH_SETTING_NAME)
)
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G_MODULE_EXPORT NMDeviceFactory *
nm_device_factory_create (GError **error)
{
	return (NMDeviceFactory *) g_object_new (NM_TYPE_WIFI_FACTORY, NULL);
}
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/*****************************************************************************/
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static NMDevice *
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create_device (NMDeviceFactory *factory,
               const char *iface,
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               const NMPlatformLink *plink,
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               NMConnection *connection,
               gboolean *out_ignore)
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{
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	NMDeviceWifiCapabilities capabilities;
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	NM80211Mode mode;
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	gs_free char *backend = NULL;
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	g_return_val_if_fail (iface != NULL, NULL);
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	g_return_val_if_fail (plink != NULL, NULL);
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	g_return_val_if_fail (g_strcmp0 (iface, plink->name) == 0, NULL);
	g_return_val_if_fail (NM_IN_SET (plink->type, NM_LINK_TYPE_WIFI, NM_LINK_TYPE_OLPC_MESH), NULL);

	if (!nm_platform_wifi_get_capabilities (NM_PLATFORM_GET,
	                                        plink->ifindex,
	                                        &capabilities)) {
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		nm_log_warn (LOGD_PLATFORM | LOGD_WIFI, "(%s) failed to initialize Wi-Fi driver for ifindex %d", iface, plink->ifindex);
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		return NULL;
	}
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	/* Ignore monitor-mode and other unhandled interface types.
	 * FIXME: keep TYPE_MONITOR devices in UNAVAILABLE state and manage
	 * them if/when they change to a handled type.
	 */
	mode = nm_platform_wifi_get_mode (NM_PLATFORM_GET, plink->ifindex);
	if (mode == NM_802_11_MODE_UNKNOWN) {
		*out_ignore = TRUE;
		return NULL;
	}

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	if (plink->type != NM_LINK_TYPE_WIFI)
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		return nm_device_olpc_mesh_new (iface);
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	backend = nm_config_data_get_value (NM_CONFIG_GET_DATA,
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	                                    NM_CONFIG_KEYFILE_GROUP_MAIN,
	                                    NM_CONFIG_KEYFILE_KEY_MAIN_WIFI_BACKEND,
	                                    NM_CONFIG_GET_VALUE_STRIP);

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	nm_log_dbg (LOGD_PLATFORM | LOGD_WIFI, "(%s) config: backend is %s, %i", iface, backend, WITH_IWD);
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	if (!backend || !strcasecmp (backend, "wpa_supplicant"))
		return nm_device_wifi_new (iface, capabilities);
#if WITH_IWD
	else if (!strcasecmp (backend, "iwd"))
		return nm_device_iwd_new (iface, capabilities);
#endif

	nm_log_warn (LOGD_PLATFORM | LOGD_WIFI, "(%s) config: unknown or unsupported wifi-backend %s", iface, backend);
	return NULL;
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}

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/*****************************************************************************/

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static void
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nm_wifi_factory_init (NMWifiFactory *self)
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{
}

static void
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nm_wifi_factory_class_init (NMWifiFactoryClass *klass)
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{
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	NMDeviceFactoryClass *factory_class = NM_DEVICE_FACTORY_CLASS (klass);
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	factory_class->create_device = create_device;
	factory_class->get_supported_types = get_supported_types;
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}