发信人: xgh()
整理人: wenbobo(2002-12-27 15:54:18), 站内信件
|
#include <netdb.h>
#include <stdio.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/utsname.h>
#include <sys/ioctl.h>
#include <string.h>
#include <netinet/in.h>
#include <arpa/inet.h>
#include <unistd.h>
#include <net/if.h>
#include <net/if_arp.h>
#define ETH_ALEN 14
int
main(int argc, char **argv)
{
char *pptr, nowaddr[8];
unsigned char ptr[ETH_ALEN];
struct hostent *hptr;
struct sockaddr_in sin, nowsin;
struct ifreq nowif;
int nowsock;
struct utsname nownode;
struct sockaddr nowsckaddr;
uname(&nownode);
hptr = gethostbyname(nownode.nodename);
bzero(&sin, sizeof(sin));
sin.sin_family = hptr->h_addrtype;
memcpy(&sin.sin_addr, hptr->h_addr, hptr->h_length);
pptr = inet_ntoa(sin.sin_addr);
printf("%s\n", pptr);
nowsock = socket(AF_INET, SOCK_DGRAM, 0);
// memcpy(&nowif.arp_pa, &sin.sin_addr, sizeof(sin.sin_addr));
bcopy("eth1", nowif.ifr_name, IFNAMSIZ);
printf("the interface is %s\n", nowif.ifr_name);
if(ioctl(nowsock, SIOCGIFHWADDR, &nowif) < 0) {
printf("ioctl error!!\n");
exit (-1);
}
nowsckaddr = (struct sockaddr)nowif.ifr_hwaddr;
bcopy(&nowsckaddr.sa_data, ptr, ETH_ALEN);
printf("%d,%d,%d,%d,%d,%d\n", *ptr, *(ptr+1), *(ptr+2), *(ptr+3),
*(ptr+4), *(ptr+5));
printf("%02X:%02X:%02X:%02X:%02X:%02X\n", *ptr, *(ptr+1), *(ptr+2), *(ptr+3),
*(ptr+4), *(ptr+5));
sprintf(nowaddr, "%02X", *(ptr+2));
sprintf(nowaddr+2, "%02X", *(ptr+3));
sprintf(nowaddr+4, "%02X", *(ptr+4));
sprintf(nowaddr+6, "%02X", *(ptr+5));
printf("%s\n", nowaddr);
close(nowsock);
}
--
※ 来源:．网易 BBS bbs.netease.com．[FROM: bbs.szptt.net.cn]
|
|