VS2022无法打开包括文件"iomanip.h"
运行环境：VS2022 C++桌面开发
安装详细信息：
问题：解析ARP数据包无法打开包括``文件"iomanip.h"
代码：
#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.h>
#include<iomanip.h> //格式化输出
#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)
{
//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(int 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)<<" "; //输出的操作类型,注意网络字节间的转换
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;
}
