时间：2015-06-28 00:00 来源：IT猫扑网|http://www.itmop.com/ 作者：网管联盟 我要评论(0)
#include <stdio.h>
#include <sys/types.h>
#include <sys/param.h>#include <sys/ioctl.h>
#include <sys/socket.h>
#include <net/if.h>
#include <netinet/in.h>
#include <net/if_arp.h>#ifdef SOLARIS
#include <sys/sockio.h>
#endif#define MAXINTERFACES 16main (argc, argv)
register int argc;
register char *argv[];
{
register int fd, intrface, retn = 0;
struct ifreq buf[MAXINTERFACES];
struct arpreq arp;
struct ifconf ifc;if ((fd = socket (AF_INET, SOCK_DGRAM, 0)) >= 0)
{
ifc.ifc_len = sizeof buf;
ifc.ifc_buf = (caddr_t) buf;
if (!ioctl (fd, SIOCGIFCONF, (char *) &ifc))
{
//获取接口信息
intrface = ifc.ifc_len / sizeof (struct ifreq);
printf(&interface num is intrface=%dnnn&,intrface);
//根据借口信息循环获取设备IP和MAC地址
while (intrface-- > 0)
{
//获取设备名称
printf (&net device %sn&, buf[intrface].ifr_name);
//判断网卡类型
if (!(ioctl (fd, SIOCGIFFLAGS, (char *) &buf[intrface])))
{
if (buf[intrface].ifr_flags & IFF_PROMISC)
{
puts (&the interface is PROMISC&);
retn++;
}
}
else
{
char str[256]; sprintf (str, &cpm: ioctl device %s&, buf[intrface].ifr_name);
perror (str);
} //判断网卡状态
if (buf[intrface].ifr_flags & IFF_UP)
{
puts(&the interface status is UP&);
}
else
{
puts(&the interface status is DOWN&);
} //获取当前网卡的IP地址
if (!(ioctl (fd, SIOCGIFADDR, (char *) &buf[intrface])))
{
puts (&IP address is:&);
puts(inet_ntoa(((struct sockaddr_in*)(&buf[intrface].ifr_addr))->sin_addr));
puts(&&);
//puts (buf[intrface].ifr_addr.sa_data);
}
else
{
char str[256]; sprintf (str, &cpm: ioctl device %s&, buf[intrface].ifr_name);
perror (str);
}
/* this section can't get Hardware Address,I don't know whether the reason is module driver*/
#ifdef SOLARIS
//获取MAC地址
arp.arp_pa.sa_family = AF_INET;
arp.arp_ha.sa_family = AF_INET;
((struct sockaddr_in*)&arp.arp_pa)->sin_addr.s_addr=((struct sockaddr_in*)(&buf[intrface].ifr_addr))->sin_addr.s_addr;
if (!(ioctl (fd, SIOCGARP, (char *) &arp)))
{
puts (&HW address is:&); //以十六进制显示MAC地址
printf(&%02x:%02x:%02x:%02x:%02x:%02xn&,
(unsigned char)arp.arp_ha.sa_data[0],
(unsigned char)arp.arp_ha.sa_data[1],
(unsigned char)arp.arp_ha.sa_data[2],
(unsigned char)arp.arp_ha.sa_data[3],
(unsigned char)arp.arp_ha.sa_data[4],
(unsigned char)arp.arp_ha.sa_data[5]); puts(&&);
puts(&&);
}
#else
#if 0
/*Get HW ADDRESS of the net card */
if (!(ioctl (fd, SIOCGENADDR, (char *) &buf[intrface])))
{
puts (&HW address is:&); printf(&%02x:%02x:%02x:%02x:%02x:%02xn&,
(unsigned char)buf[intrface].ifr_enaddr[0],
(unsigned char)buf[intrface].ifr_enaddr[1],
(unsigned char)buf[intrface].ifr_enaddr[2],
(unsigned char)buf[intrface].ifr_enaddr[3],
(unsigned char)buf[intrface].ifr_enaddr[4],
(unsigned char)buf[intrface].ifr_enaddr[5]); puts(&&);
puts(&&);
}
#endif
if (!(ioctl (fd, SIOCGIFHWADDR, (char *) &buf[intrface])))
{
puts (&HW address is:&); printf(&%02x:%02x:%02x:%02x:%02x:%02xn&,
(unsigned char)buf[intrface].ifr_hwaddr.sa_data[0],
(unsigned char)buf[intrface].ifr_hwaddr.sa_data[1],
(unsigned char)buf[intrface].ifr_hwaddr.sa_data[2],
(unsigned char)buf[intrface].ifr_hwaddr.sa_data[3],
(unsigned char)buf[intrface].ifr_hwaddr.sa_data[4],
(unsigned char)buf[intrface].ifr_hwaddr.sa_data[5]); puts(&&);
puts(&&);
}
#endif else
{
char str[256]; sprintf (str, &cpm: ioctl device %s&, buf[intrface].ifr_name);
perror (str);
}
} //while
} else
perror (&cpm: ioctl&); } else
perror (&cpm: socket&); close (fd);
return retn;
}编译：gcc 文件名即可
关键词标签：LINUX
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