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错误 C2664 “tm *localtime(const time_t *const )”: 无法将参数 1 从“const long *”转换为“const time_t *const ” Project1 E:\VS 2022 项目\Project1\Project1\解析ARP数据包.cpp 146
#include<Winsock2.h>
#pragma comment(lib, "Ws2_32.lib") //使用ntohs()函数,转换2B/4B的数据
#pragma comment(lib, "wpcap.lib")
#include"pcap.h" //需要另外导入，具体步骤见Winpcap使用说明
#include<fstream>
#include<iostream> //格式化输出
#include<iomanip>
using namespace std;
#include<conio.h> //使用_getch()
struct arppkt {
unsigned short hdtyp; //硬件地址
unsigned short protyp; //协议类型
unsigned char hdsize; //硬件地址长度
unsigned char prosize; //协议地址长度
unsigned short op; //操作值
u_char smac[6]; //源MAC地址
u_char sip[4]; //源IP地址
u_char dmac[6]; //目的MAC地址
u_char dip[4]; //目的IP地址
};
//自定义处理包函数
//pcap_pkthdr是winpcap加入的
//pkt_data表示MAC帧的起始位置
//out是输入流
void packet_handler(const pcap_pkthdr* header, const u_char* pkt_data, ostream&);
void main(int argc, char* argv[])
{
if (argc != 2)
{
cout << "usage:ARPCap logfilename" << endl;
cout << "press anykey to continue." << endl; //参数不对，进行提示
_getch();
return;
}
pcap_if_t* alldevs; //网络设备结构
pcap_if_t* d;
pcap_t* adhandle;
char errbuf[PCAP_ERRBUF_SIZE]; //错误信息
u_int netmask; //子网掩码
char packet_filter[] = "ether proto \\arp"; //过滤,选择ARP协议
struct bpf_program fcode;
struct pcap_pkthdr* header;
const u_char* pkt_data;
//获取网络设备列表
if (pcap_findalldevs(&alldevs, errbuf) == -1)
{
cout << "Error in pcap_findalldevs:" << errbuf;
return;
}
//选择一个Ethernetka卡
for (d = alldevs; d; d = d->next)
{
//以混杂模式打开网卡,接受所有的帧
if ((adhandle = pcap_open_live(d->name, 1000, 1, 300, errbuf)) == NULL)
{
cout << "\nUnable to open the adapter.";
pcap_freealldevs(alldevs); //释放设备列表
return;
}
if (pcap_datalink(adhandle) == DLT_EN10MB && d->addresses != NULL)
break;
}
if (d == NULL)
{
cout << "\nNO interfaces found! Make sure winpcap is installed.\n";
return;
}
//获得子网掩码
netmask = ((sockaddr_in*)(d->addresses->netmask))->sin_addr.S_un.S_addr;
//调试过滤器，只捕获ARP包
if (pcap_compile(adhandle, &fcode, packet_filter, 1, netmask) < 0)
{
cout << "\nUnable to compile the packet filter. Check the syntax.\n";
pcap_freealldevs(alldevs);
return;
}
//设置过滤器
if (pcap_setfilter(adhandle, &fcode) < 0)
{
cout << "\nError setting the filter.\n";
pcap_freealldevs(alldevs);
return;
}
cout << "\t\tlistening on " << d->description << "..." << endl << endl;
ofstream fout(argv[1], ios::app); //日志记录文件
//加入日期记录
time_t t;
time(&t);
fout.seekp(0, ios::end);
if (fout.tellp() != 0)
fout << endl;
fout << "\t\tARP request(1)/replay(2) on " << ctime(&t);
cout << "sour IP Addr" << " " << "Sour MAC Address"
<< " " << "Des IP Addr" << " " << "Des MAC Address"
<< " " << "OP" << " " << "Time" << endl;
fout << "Sour IP Addr" << " " << "Sour MAC Address"
<< " " << "Des IP Addr" << " " << "Des MAC Address"
<< " " << "OP" << " " << "Time" << endl;
//释放设备列表
pcap_freealldevs(alldevs);
//开始捕获MAC帧
int result; //时间到返回结果
while ((result = pcap_next_ex(adhandle, &header, &pkt_data)) >= 0)
{
if (result == 0)
continue;
packet_handler(header, pkt_data, cout); //解析ARP包，输出结果
packet_handler(header, pkt_data, fout); //输出到文件
}
}
void packet_handler(const pcap_pkthdr* header, const u_char* pkt_data, ostream& out)
{
int i;
//从截获的数据帧中找到arp包头的位置
arppkt* arph = (arppkt*)(pkt_data + 14); //14为Ethernet帧头的长度
//输出源IP地址
for (i = 0; i < 3; i++)
out << int(arph->sip[i]) << '.';
out.setf(ios::left);
out << setw(3) << int(arph->sip[3]) << " ";
out.unsetf(ios::left);
//输出源MAC地址
char oldfillchar = out.fill('0');
out.setf(ios::uppercase); //MAC地址以分开'-'的大写字符表示
for (i = 0; i < 5; i++)
out << hex << setw(2) << int(arph->smac[i]) << '_';
out << hex << setw(2) << int(arph->smac[5]) << " ";
out.fill(oldfillchar);
//输出目的的IP地址
out.unsetf(ios::hex | ios::uppercase);
for (i = 0; i < 3; i++)
out << int(arph->dip[i]) << '.';
out.setf(ios::left);
out << setw(3) << int(arph->dip[3]) << " ";
out.unsetf(ios::left);
//输出目的MAC地址
out.fill('0');
out.setf(ios::uppercase);
for (i = 0; i < 5; i++)
out << hex << setw(2) << int(arph->dmac[i]) << '_';
out << hex << setw(2) << int(arph->dmac[5]) << " ";
out.fill(oldfillchar);
out.unsetf(ios::hex | ios::uppercase);
out << ntohs(arph->op) << " ";
struct tm* ltime; //时间
ltime = localtime(&header->ts.tv_sec);
out.fill('0');
out << ltime->tm_hour << ':' << setw(2) << ltime->tm_min << ':' << setw(2) << ltime->tm_sec;
out.fill(oldfillchar);
out << endl;
}
