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/*
* The Network Discovery Tool
* Copyright (C) 2005 Tadas Vilkeliskis aka vptr (vpointer@gmail.com)
*
* The Ultimate Network Tool 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 2.1 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., 59 Temple Place, Suite 330, Boston, MA
* 02111-1307 USA.
*/
#include <stdio.h>
#include <sys/ioctl.h>
#include <net/if.h>
#include <netinet/in.h>
#include <string.h>
#include <netinet/ether.h>
#include "iface.h"
#include "defs.h"
struct ifreq iface;
struct interface
{
int index,
mtu,
metric;
short flags;
struct in_addr ip, netmask, broadcast;
struct ether_addr mac;
} interface;
void iface_init(int socket, char *name)
{
PDEBUG("iface_init() called\n");
memset(&iface, 0, sizeof(struct ifreq));
strncpy(iface.ifr_name, name, strlen(name));
if (ioctl(socket, SIOCGIFINDEX, &iface) == -1)
interface.index = -1;
else {
interface.index = iface.ifr_ifindex;
if (ioctl(socket, SIOCGIFADDR, &iface) != -1)
//memcpy(&iface_ip, &(((struct sockaddr_in * )&iface.ifr_addr)->sin_addr), 4);
interface.ip = ((struct sockaddr_in * )&iface.ifr_addr)->sin_addr;
if (ioctl(socket, SIOCGIFNETMASK, &iface) != -1)
//memcpy(&iface_nmask, &(((struct sockaddr_in * )&iface.ifr_netmask)->sin_addr), 4);
interface.netmask = ((struct sockaddr_in * )&iface.ifr_netmask)->sin_addr;
if (ioctl(socket, SIOCGIFBRDADDR, &iface) != -1)
//memcpy(&iface_bcast, &(((struct sockaddr_in * )&iface.ifr_broadaddr)->sin_addr), 4);
interface.broadcast = ((struct sockaddr_in * )&iface.ifr_broadaddr)->sin_addr;
if (ioctl(socket, SIOCGIFHWADDR, &iface) != -1)
memcpy((void*)interface.mac.ether_addr_octet, (void*)&iface.ifr_hwaddr.sa_data, 6);
if (ioctl(socket, SIOCGIFMTU, &iface) != -1)
interface.mtu = iface.ifr_mtu;
if (ioctl(socket, SIOCGIFFLAGS, &iface) != -1)
interface.flags = iface.ifr_flags;
if (ioctl(socket, SIOCGIFMETRIC, &iface) != -1)
interface.metric = iface.ifr_metric;
}
PDEBUG("iface_init() ended\n");
}
int iface_get_index()
{
return (interface.index);
}
int iface_get_mtu()
{
return (interface.mtu);
}
int iface_get_metric()
{
return (interface.metric);
}
short iface_get_flags()
{
return (interface.flags);
}
void iface_get_ip(struct in_addr *ip)
{
(*ip) = interface.ip;
}
void iface_get_netmask(struct in_addr *netmask)
{
(*netmask) = interface.netmask;
}
void iface_get_broadcast(struct in_addr *broadcast)
{
(*broadcast) = interface.broadcast;
}
void iface_get_mac(struct ether_addr *mac)
{
(*mac) = interface.mac;
}
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