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/*
*
* Connection Manager
*
* Copyright (C) 2007-2008 Intel Corporation. All rights reserved.
*
* This program is free software; you can redistribute it and/or modify
* it under the terms of the GNU General Public License version 2 as
* published by the Free Software Foundation.
*
* 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 <unistd.h>
#include <string.h>
#include <sys/stat.h>
#include <sys/ioctl.h>
#include <sys/socket.h>
#include <linux/if_arp.h>
#include <linux/wireless.h>
#include <connman/plugin.h>
#include <connman/element.h>
#include <connman/rtnl.h>
#include <connman/log.h>
#include "inet.h"
static GStaticMutex device_mutex = G_STATIC_MUTEX_INIT;
static GSList *device_list = NULL;
static void rtnllink_newlink(unsigned short type, int index,
unsigned flags, unsigned change)
{
enum connman_element_subtype subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
struct connman_element *device;
GSList *list;
gboolean exists = FALSE;
gchar *name;
DBG("index %d", index);
g_static_mutex_lock(&device_mutex);
for (list = device_list; list; list = list->next) {
struct connman_element *device = list->data;
if (device->index == index) {
exists = TRUE;
break;
}
}
g_static_mutex_unlock(&device_mutex);
if (exists == TRUE)
return;
name = inet_index2name(index);
if (type == ARPHRD_ETHER) {
char bridge_path[PATH_MAX], wimax_path[PATH_MAX];
struct stat st;
struct iwreq iwr;
int sk;
snprintf(bridge_path, PATH_MAX,
"/sys/class/net/%s/bridge", name);
snprintf(wimax_path, PATH_MAX,
"/sys/class/net/%s/wimax", name);
memset(&iwr, 0, sizeof(iwr));
strncpy(iwr.ifr_ifrn.ifrn_name, name, IFNAMSIZ);
sk = socket(PF_INET, SOCK_DGRAM, 0);
if (g_str_has_prefix(name, "bnep") == TRUE)
subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
else if (stat(bridge_path, &st) == 0 && (st.st_mode & S_IFDIR))
subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
else if (stat(wimax_path, &st) == 0 && (st.st_mode & S_IFDIR))
subtype = CONNMAN_ELEMENT_SUBTYPE_WIMAX;
else if (ioctl(sk, SIOCGIWNAME, &iwr) == 0)
subtype = CONNMAN_ELEMENT_SUBTYPE_UNKNOWN;
else
subtype = CONNMAN_ELEMENT_SUBTYPE_ETHERNET;
close(sk);
}
if (subtype == CONNMAN_ELEMENT_SUBTYPE_UNKNOWN) {
g_free(name);
return;
}
device = connman_element_create(NULL);
device->type = CONNMAN_ELEMENT_TYPE_DEVICE;
device->subtype = subtype;
device->index = index;
device->name = name;
g_static_mutex_lock(&device_mutex);
connman_element_register(device, NULL);
device_list = g_slist_append(device_list, device);
g_static_mutex_unlock(&device_mutex);
}
static void rtnllink_dellink(unsigned short type, int index,
unsigned flags, unsigned change)
{
GSList *list;
DBG("index %d", index);
g_static_mutex_lock(&device_mutex);
for (list = device_list; list; list = list->next) {
struct connman_element *device = list->data;
if (device->index == index) {
device_list = g_slist_remove(device_list, device);
connman_element_unregister(device);
connman_element_unref(device);
break;
}
}
g_static_mutex_unlock(&device_mutex);
}
static struct connman_rtnl rtnllink_rtnl = {
.name = "rtnllink",
.newlink = rtnllink_newlink,
.dellink = rtnllink_dellink,
};
static int rtnllink_init(void)
{
int err;
err = connman_rtnl_register(&rtnllink_rtnl);
if (err < 0)
return err;
connman_rtnl_send_getlink();
return 0;
}
static void rtnllink_exit(void)
{
GSList *list;
connman_rtnl_unregister(&rtnllink_rtnl);
g_static_mutex_lock(&device_mutex);
for (list = device_list; list; list = list->next) {
struct connman_element *device = list->data;
connman_element_unregister(device);
connman_element_unref(device);
}
g_slist_free(device_list);
device_list = NULL;
g_static_mutex_unlock(&device_mutex);
}
CONNMAN_PLUGIN_DEFINE("rtnllink", "RTNL link detection plugin", VERSION,
rtnllink_init, rtnllink_exit)
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