使用VC++也许MFC编写一个基于winpcap的网络抓包软件
使用VC++或者MFC编写一个基于winpcap的网络抓包软件
各位大神！小弟最近在做毕设，真心不会。求各位大神赐教，有没有基于winpcap的网络抓包软件的源代码，实现数据包解析，网络流量分析等功能。小弟参考一下，实在无从下手
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http://baike.baidu.com/view/696423.htm
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这个不是开源的吗
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winpcap的接口常用的也没几个。这个例子是我从实例代码中改了一下，你可以参考一下
各位大神！小弟最近在做毕设，真心不会。求各位大神赐教，有没有基于winpcap的网络抓包软件的源代码，实现数据包解析，网络流量分析等功能。小弟参考一下，实在无从下手
------解决思路----------------------
http://baike.baidu.com/view/696423.htm
------解决思路----------------------
这个不是开源的吗
------解决思路----------------------
winpcap的接口常用的也没几个。这个例子是我从实例代码中改了一下，你可以参考一下
#ifdef _MSC_VER
/*
* we do not want the warnings about the old deprecated and unsecure CRT functions
* since these examples can be compiled under *nix as well
*/
#define _CRT_SECURE_NO_WARNINGS
#endif
#include "pcap.h"
/* prototype of the packet handler */
void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data);
int main()
{
pcap_if_t *alldevs;
pcap_if_t *d;
int inum;
int i=0;
pcap_t *adhandle;
char errbuf[PCAP_ERRBUF_SIZE];
/* Retrieve the device list */
if(pcap_findalldevs(&alldevs, errbuf) == -1)
{
fprintf(stderr,"Error in pcap_findalldevs: %s\n", errbuf);
exit(1);
}
/* Print the list */
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 -1;
}
printf("Enter the interface number (1-%d):",i);
scanf("%d", &inum);
if(inum < 1
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inum > i)
{
printf("\nInterface number out of range.\n");
/* Free the device list */
pcap_freealldevs(alldevs);
return -1;
}
/* Jump to the selected adapter */
for(d=alldevs, i=0; i< inum-1 ;d=d->next, i++);
/* Open the device */
/* Open the adapter */
if ((adhandle= pcap_open_live(d->name, // name of the device
65536, // portion of the packet to capture.
// 65536 grants that the whole packet will be captured on all the MACs.
1, // promiscuous mode (nonzero means promiscuous)
100, // read timeout
errbuf // error buffer
)) == NULL)
{
fprintf(stderr,"\nUnable to open the adapter. %s is not supported by WinPcap\n", d->name);
/* Free the device list */
pcap_freealldevs(alldevs);
return -1;
}
printf("\nlistening on %s...\n", d->description);
/* At this point, we don't need any more the device list. Free it */
pcap_freealldevs(alldevs);
/* start the capture */
pcap_loop(adhandle, 0, packet_handler, NULL);
pcap_close(adhandle);
return 0;
}
/* Callback function invoked by libpcap for every incoming packet */
void packet_handler(u_char *param, const struct pcap_pkthdr *header, const u_char *pkt_data)
{
static int nCount = 0;
if (pkt_data[12] == 0x08 && pkt_data[13] == 0x00)
{
printf("接收到第%5d个UDP协议数据包\n", nCount++);
}
}