用Winpcap如何获取网卡的MAC和IP?
解决方案 »
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#include "pcap.h"
#pragma comment(lib, "wpcap.lib")main()
{
pcap_if_t *alldevs;
pcap_if_t *d;
int i=0;
char errbuf[PCAP_ERRBUF_SIZE];
/* 这个API用来获得网卡 的列表 */
if (pcap_findalldevs(&alldevs, errbuf) == -1)
{
fprintf(stderr,"Error in pcap_findalldevs: %s\n", errbuf);
exit(1);
}
/* 显示列表的响应字段的内容 */
for(d=alldevs;d;d=d->next)
{
printf("%d. %s", ++i, d->name);
if (d->description)
printf(" (%s)\n", d->description);
else printf(" (No description available)\n");
}
if(i==0)
{
printf("\nNo interfaces found! Make sure WinPcap is installed.\n");
return;
} /* We don’t need any more the device list. Free it */
pcap_freealldevs(alldevs);
}
//获取IP参数程序
#include "pcap.h"
#pragma comment(lib, "wpcap.lib")
void ifprint(pcap_if_t *d);
char *iptos(u_long in); int main()
{
pcap_if_t *alldevs;
pcap_if_t *d;
char errbuf[PCAP_ERRBUF_SIZE+1]; /* 获得设备列表 */
if (pcap_findalldevs(&alldevs, errbuf) == -1)
{
fprintf(stderr,"Error in pcap_findalldevs: %s\n",errbuf);
exit(1);
} /* 遍历所有元素 */
for(d=alldevs;d;d=d->next)
{
ifprint(d);
} return 1;
} /* Print all the available information on the given interface */
void ifprint(pcap_if_t *d)
{
pcap_addr_t *a; /* 名称 */
printf("%s\n",d->name); /* 描述 */
if (d->description)
printf("\tDescription: %s\n",d->description); /* 回环地址 */
printf("\tLoopback: %s\n",(d->flags & PCAP_IF_LOOPBACK)?"yes":"no"); /* IP 地址 */
for(a=d->addresses;a;a=a->next) {
printf("\tAddress Family: #%d\n",a->addr->sa_family); switch(a->addr->sa_family)
{
case AF_INET:
printf("\tAddress Family Name: AF_INET\n");
if (a->addr)
/* Y- IP 地址 */
printf("\tAddress: %s\n",iptos(((struct sockaddr_in *)a->addr)->sin_addr.s_addr));
if (a->netmask)
/* Y- 掩码 */
printf("\tNetmask: %s\n",iptos(((struct sockaddr_in *)a->netmask)->sin_addr.s_addr));
if (a->broadaddr)
/* Y- 广播地址 */
printf("\tBroadcast Address: %s\n",iptos(((struct sockaddr_in *)a->broadaddr)->sin_addr.s_addr));
if (a->dstaddr)
/* Y - 目标地址 */
printf("\tDestination Address: %s\n",iptos(((struct sockaddr_in *)a->dstaddr)->sin_addr.s_addr));
break;
default:
/* 未知 */
printf("\tAddress Family Name: Unknown\n");
break;
}
}
printf("\n");
} /* 来自 tcptracert, 把数字IP地址转换为点格式 */
#define IPTOSBUFFERS 12
char *iptos(u_long in)
{
static char output[IPTOSBUFFERS][3*4+3+1];
static short which;
u_char *p; p = (u_char *)∈
which = (which + 1 == IPTOSBUFFERS ? 0 : which + 1);
sprintf(output[which], "%d.%d.%d.%d", p[0], p[1], p[2], p[3]);
return output[which];
}