mirror of
https://github.com/vanhoefm/fragattacks.git
synced 2024-12-12 08:58:21 -05:00
e86859929f
With this, vlan_init.c does not need any special header files anymore and vlan_ifconfig.c does not need hostapd-specific header files that might conflict with net/if.h on NetBSD. Signed-off-by: Jouni Malinen <j@w1.fi>
70 lines
1.5 KiB
C
70 lines
1.5 KiB
C
/*
|
|
* hostapd / VLAN ifconfig helpers
|
|
* Copyright 2003, Instant802 Networks, Inc.
|
|
* Copyright 2005-2006, Devicescape Software, Inc.
|
|
* Copyright (c) 2009, Jouni Malinen <j@w1.fi>
|
|
*
|
|
* This software may be distributed under the terms of the BSD license.
|
|
* See README for more details.
|
|
*/
|
|
|
|
#include "utils/includes.h"
|
|
#include <net/if.h>
|
|
#include <sys/ioctl.h>
|
|
|
|
#include "utils/common.h"
|
|
#include "vlan_util.h"
|
|
|
|
|
|
int ifconfig_helper(const char *if_name, int up)
|
|
{
|
|
int fd;
|
|
struct ifreq ifr;
|
|
|
|
if ((fd = socket(AF_INET, SOCK_STREAM, 0)) < 0) {
|
|
wpa_printf(MSG_ERROR, "VLAN: %s: socket(AF_INET,SOCK_STREAM) "
|
|
"failed: %s", __func__, strerror(errno));
|
|
return -1;
|
|
}
|
|
|
|
os_memset(&ifr, 0, sizeof(ifr));
|
|
os_strlcpy(ifr.ifr_name, if_name, IFNAMSIZ);
|
|
|
|
if (ioctl(fd, SIOCGIFFLAGS, &ifr) != 0) {
|
|
wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCGIFFLAGS) failed "
|
|
"for interface %s: %s",
|
|
__func__, if_name, strerror(errno));
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
|
|
if (up)
|
|
ifr.ifr_flags |= IFF_UP;
|
|
else
|
|
ifr.ifr_flags &= ~IFF_UP;
|
|
|
|
if (ioctl(fd, SIOCSIFFLAGS, &ifr) != 0) {
|
|
wpa_printf(MSG_ERROR, "VLAN: %s: ioctl(SIOCSIFFLAGS) failed "
|
|
"for interface %s (up=%d): %s",
|
|
__func__, if_name, up, strerror(errno));
|
|
close(fd);
|
|
return -1;
|
|
}
|
|
|
|
close(fd);
|
|
return 0;
|
|
}
|
|
|
|
|
|
int ifconfig_up(const char *if_name)
|
|
{
|
|
wpa_printf(MSG_DEBUG, "VLAN: Set interface %s up", if_name);
|
|
return ifconfig_helper(if_name, 1);
|
|
}
|
|
|
|
|
|
int iface_exists(const char *ifname)
|
|
{
|
|
return if_nametoindex(ifname);
|
|
}
|