WinPcap获取网卡的更多信息

获取网卡的更多信息, IP地址, 子网掩码等等.

// pcap_findalldevs_ex2.cpp : 定义控制台应用程序的入口点。  
//  
  
#include "stdafx.h"  
  
#define WINVER 0x0501  
  
#define HAVE_REMOTE  
#include <pcap.h>  
#include <ws2tcpip.h>  
  
#pragma comment(lib,"wpcap.lib")  
#pragma comment(lib,"ws2_32.lib")  
  
// 函数原型  
void ifprint(pcap_if_t *d);  
char *iptos(u_long in);  
char* ip6tos(struct sockaddr *sockaddr, char *address, int addrlen);  
  
int _tmain(int argc, _TCHAR* argv[])  
{  
    pcap_if_t *alldevs;  
    pcap_if_t *d;  
    char errbuf[PCAP_ERRBUF_SIZE+1];  
    char source[PCAP_ERRBUF_SIZE+1];  
  
    printf("Enter the device you want to list:\n"  
        "rpcap://              ==> lists interfaces in the local machine\n"  
        "rpcap://hostname:port ==> lists interfaces in a remote machine\n"  
        "                          (rpcapd daemon must be up and running\n"  
        "                           and it must accept 'null' authentication)\n"  
        "file://foldername     ==> lists all pcap files in the give folder\n\n"  
        "Enter your choice: ");  
  
    fgets(source, PCAP_ERRBUF_SIZE, stdin);  
    source[PCAP_ERRBUF_SIZE] = '\0';  
  
    /* 获得接口列表 */  
    if (pcap_findalldevs_ex(source, NULL, &alldevs, errbuf) == -1)  
    {  
        fprintf(stderr,"Error in pcap_findalldevs: %s\n",errbuf);  
        exit(1);  
    }  
  
    /* 扫描列表并打印每一项 */  
    for(d=alldevs;d;d=d->next)  
    {  
        ifprint(d);  
    }  
  
    pcap_freealldevs(alldevs);  
  
    getchar();  
  
    return 1;  
}  
  
  
  
/* 打印所有可用信息 */  
void ifprint(pcap_if_t *d)  
{  
    pcap_addr_t *a;  
    char ip6str[128];  
  
    /* 设备名(Name) */  
    printf("%s\n",d->name);  
  
    /* 设备描述(Description) */  
    if (d->description)  
        printf("\tDescription: %s\n",d->description);  
  
    /* Loopback Address*/  
    printf("\tLoopback: %s\n",(d->flags & PCAP_IF_LOOPBACK)?"yes":"no");  
  
    /* IP addresses */  
    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)  
                printf("\tAddress: %s\n",iptos(((struct sockaddr_in *)a->addr)->sin_addr.s_addr));  
            if (a->netmask)  
                printf("\tNetmask: %s\n",iptos(((struct sockaddr_in *)a->netmask)->sin_addr.s_addr));  
            if (a->broadaddr)  
                printf("\tBroadcast Address: %s\n",iptos(((struct sockaddr_in *)a->broadaddr)->sin_addr.s_addr));  
            if (a->dstaddr)  
                printf("\tDestination Address: %s\n",iptos(((struct sockaddr_in *)a->dstaddr)->sin_addr.s_addr));  
            break;  
  
        case AF_INET6:  
            printf("\tAddress Family Name: AF_INET6\n");  
            if (a->addr)  
                printf("\tAddress: %s\n", ip6tos(a->addr, ip6str, sizeof(ip6str)));  
            break;  
  
        default:  
            printf("\tAddress Family Name: Unknown\n");  
            break;  
        }  
    }  
    printf("\n");  
}  
  
  
  
/* 将数字类型的IP地址转换成字符串类型的 */  
#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];  
}  
  
char* ip6tos(struct sockaddr *sockaddr, char *address, int addrlen)  
{  
    socklen_t sockaddrlen;  
  
#ifdef WIN32  
    sockaddrlen = sizeof(struct sockaddr_in6);  
#else  
    sockaddrlen = sizeof(struct sockaddr_storage);  
#endif  
  
  
    if(getnameinfo(sockaddr,  
        sockaddrlen,  
        address,  
        addrlen,  
        NULL,  
        0,  
        NI_NUMERICHOST) != 0) address = NULL;  
  
    return address;  
}

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// pcap_findalldevs_ex2.cpp : 定义控制台应用程序的入口点。

#include "stdafx.h"

#define WINVER 0x0501

#define HAVE_REMOTE

#include <pcap.h>

#include <ws2tcpip.h>

#pragma comment(lib,"wpcap.lib")

#pragma comment(lib,"ws2_32.lib")

// 函数原型

void ifprint(pcap_if_t *d);

char *iptos(u_long in);

char* ip6tos(struct sockaddr *sockaddr, char *address, int addrlen);

int _tmain(int argc, _TCHAR* argv[])

{

pcap_if_t *alldevs;

pcap_if_t *d;

char errbuf[PCAP_ERRBUF_SIZE+1];

char source[PCAP_ERRBUF_SIZE+1];

printf("Enter the device you want to list:\n"

"rpcap:// ==> lists interfaces in the local machine\n"

"rpcap://hostname:port ==> lists interfaces in a remote machine\n"

" (rpcapd daemon must be up and running\n"

" and it must accept 'null' authentication)\n"

"file://foldername ==> lists all pcap files in the give folder\n\n"

"Enter your choice: ");

fgets(source, PCAP_ERRBUF_SIZE, stdin);

source[PCAP_ERRBUF_SIZE] = '\0';

/* 获得接口列表 */

if (pcap_findalldevs_ex(source, NULL, &alldevs, errbuf) == -1)

{

fprintf(stderr,"Error in pcap_findalldevs: %s\n",errbuf);

exit(1);

}

/* 扫描列表并打印每一项 */

for(d=alldevs;d;d=d->next)

{

ifprint(d);

}

pcap_freealldevs(alldevs);

getchar();

return 1;

}

/* 打印所有可用信息 */

void ifprint(pcap_if_t *d)

{

pcap_addr_t *a;

char ip6str[128];

/* 设备名(Name) */

printf("%s\n",d->name);

/* 设备描述(Description) */

if (d->description)

printf("\tDescription: %s\n",d->description);

/* Loopback Address*/

printf("\tLoopback: %s\n",(d->flags & PCAP_IF_LOOPBACK)?"yes":"no");

/* IP addresses */

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)

printf("\tAddress: %s\n",iptos(((struct sockaddr_in *)a->addr)->sin_addr.s_addr));

if (a->netmask)

printf("\tNetmask: %s\n",iptos(((struct sockaddr_in *)a->netmask)->sin_addr.s_addr));

if (a->broadaddr)

printf("\tBroadcast Address: %s\n",iptos(((struct sockaddr_in *)a->broadaddr)->sin_addr.s_addr));

if (a->dstaddr)

printf("\tDestination Address: %s\n",iptos(((struct sockaddr_in *)a->dstaddr)->sin_addr.s_addr));

break;

case AF_INET6:

printf("\tAddress Family Name: AF_INET6\n");

if (a->addr)

printf("\tAddress: %s\n", ip6tos(a->addr, ip6str, sizeof(ip6str)));

break;

default:

printf("\tAddress Family Name: Unknown\n");

break;

}

printf("\n");

}

/* 将数字类型的IP地址转换成字符串类型的 */

#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];

}

char* ip6tos(struct sockaddr *sockaddr, char *address, int addrlen)

{

socklen_t sockaddrlen;

#ifdef WIN32

sockaddrlen = sizeof(struct sockaddr_in6);

#else

sockaddrlen = sizeof(struct sockaddr_storage);

#endif

if(getnameinfo(sockaddr,

sockaddrlen,

address,

addrlen,

NULL,

NI_NUMERICHOST) != 0) address = NULL;

return address;

}

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