发送Ethernet+ARP数据包(编译好了)

#include <iostream.h> #include <string.h> #include "sdfg.h" #pragma comment(lib,"ws2_32.lib") int transIP(char *,unsigned char *); int transMAC(char *,unsigned char *); LPADAPTER lpAdapter; LPPACKET lpPacket; bool Send(); void main(int argc,char *argv[]) { if(argc!=6) { cout<<"输入格式错误"<<endl; return; } int i=0; memset(&ARPPACKET, 0, sizeof(ARPPACKET)); if(*argv[5]=='0') { for(i=0;i<6;i++) ARPPACKET.dlcHeader.DesMAC[i]=0xff; ARPPACKET.arpFrame.Flag=(unsigned short)1; } else { if(*argv[5]=='1') { //填充DLC头中目的MAC地址 if(!transMAC(argv[4],ARPPACKET.dlcHeader.DesMAC)) return; //ARP桢中flag位置2 ARPPACKET.arpFrame.Flag=(unsigned short)0x0200; } else cout<<"flag位输入错误"<<endl; } if(!transMAC(argv[2],ARPPACKET.dlcHeader.SrcMAC)) return; //填充DLC头中桢类型 ARPPACKET.dlcHeader.Ethertype=htons((unsigned short)0x0608); ARPPACKET.arpFrame.HW_Type=(unsigned short)0x0100; //(Ethernet类型) ARPPACKET.arpFrame.Prot_Type=(unsigned short)0x0008; ARPPACKET.arpFrame.HW_Addr_Len=(unsigned char)6; ARPPACKET.arpFrame.Prot_Addr_Len=(unsigned char)4; if(!transMAC(argv[2],ARPPACKET.arpFrame.Send_HW_Addr)) return; if(!transIP(argv[1],ARPPACKET.arpFrame.Send_Prot_Addr)) return; if(!transMAC(argv[4],ARPPACKET.arpFrame.Targ_HW_Addr)) return; if(!transIP(argv[3],ARPPACKET.arpFrame.Targ_Prot_Addr)) return; for(i=0;i<18;i++) ARPPACKET.arpFrame.padding[i]=0; if(!Send()) cout<<"发送arp包失败"<<endl; } int transIP(char *argv,unsigned char *a) { char ip[16]; int i=0,j=0,k=0; strcpy(ip,argv); int m=strlen(argv); for(i=0;i<m;i++) //判断命令行输入的IP格式是否正确 { if((ip[i]<'0'||ip[i]>'9')&&ip[i]!='.') { cout<<"输入ip:"<<argv<<"格式错误"<<endl; return 0; } else { if(ip[i]!='.')j++; else { k++; if(j>3) { cout<<"输入ip:"<<argv<<"格式错误"<<endl; return 0; } else {j=0;} if(k>3) { cout<<"输入ip:"<<argv<<"格式错误"<<endl; return 0; } } } } j=0; for(i=0;i<4;i++) //填充IP地址 { while(*(ip+j)<'0'||*(ip+j)>'9')j++; a[i]=(unsigned char)atoi(ip+j); while(*(ip+j)>='0'&&*(ip+j)<='9')j++; } return 1; } int transMAC(char *argv,unsigned char *b) { char mac[18]; int i=0,j=0,k=0; strcpy(mac,argv); int m=strlen(argv); for(i=0;i<m;i++) //判断命令行输入的MAC地址是否正确 { if(mac[i]<'0'||(mac[i]>':'&&mac[i]<'A')||(mac[i]>'Z'&&mac[i]<'a')||mac[i]>'Z') { cout<<"输入mac:"<<argv<<"格式错误"<<endl; return 0; } else { if(mac[i]!=':')j++; else { k++; if(j>2) { cout<<"输入mac"<<argv<<"格式错误"<<endl; return 0; } else {j=0;} if(k>5) { cout<<"输入mac"<<argv<<"格式错误"<<endl; return 0; } } } } for(i=0;i<6;i++) //填充MAC地址 { while(*(mac+j)==':'||*(mac+j)=='-')j++; if(*(mac+j)>='0'&&*(mac+j)<='9') b[i]=(unsigned char)(*(mac+j)-'0'); if(*(mac+j)>='a'&&*(mac+j)<='z') b[i]=(unsigned char)(*(mac+j)-'a'+10); if(*(mac+j)>='A'&&*(mac+j)<='z') b[i]=(unsigned char)(*(mac+j)-'A'+10); j++; b[i]*=16; if(*(mac+j)>='0'&&*(mac+j)<='9') b[i]+=(unsigned char)(*(mac+j)-'0'); if(*(mac+j)>='a'&&*(mac+j)<='z') b[i]+=(unsigned char)(*(mac+j)-'a'+10); if(*(mac+j)>='A'&&*(mac+j)<='z') b[i]+=(unsigned char)(*(mac+j)-'A'+10); j++; } return 1; } bool Send() { char AdapterNameA[8192]; char AdapterNameU[2*sizeof(AdapterNameA)]; unsigned long AdapterAlength=sizeof(AdapterNameA); unsigned long AdapterUlength=2*sizeof(AdapterNameA); DWORD dwVersion=GetVersion (); DWORD dwWindowsMajorVersion=(DWORD)(LOBYTE(LOWORD(dwVersion))); if(!(dwVersion >= 0x80000000 && dwWindowsMajorVersion >=4)) { //Windows NT //获取UNICODE码网卡名列表 if(PacketGetAdapterNames(AdapterNameU,&AdapterUlength)==FALSE) { cout<<"无法得到网卡列表!"<<endl; return FALSE; } //将第一个网卡名转为ASCII码 unsigned short *pAdapterName=(unsigned short *)AdapterNameU; for(unsigned i=0;i<AdapterAlength;i++) if((AdapterNameA[i]=(char)pAdapterName[i])=='\0') break; } else { //Windows 9x //获取ASCII码网卡名列表 if(PacketGetAdapterNames(AdapterNameA,&AdapterAlength)==FALSE) { cout<<"无法得到网卡列表!"<<endl; return FALSE; } } lpAdapter=PacketOpenAdapter(AdapterNameA); if(!lpAdapter||lpAdapter->hFile==INVALID_HANDLE_VALUE) { cout<<"无法打开网卡，错误码:"<<GetLastError()<<endl; return FALSE; } //发送帧 LPPACKET lpPacket; //分配发送包结构 if((lpPacket=PacketAllocatePacket())!=NULL) { //初始化发送包结构 PacketInitPacket(lpPacket,&ARPPACKET,sizeof(ARPPACKET)); // 每次只发送一个包 PacketSetNumWrites(lpAdapter,1); //发送包 if(PacketSendPacket(lpAdapter,lpPacket,true)==1) { cout<<"send ok"<<endl; } else { cout<<"发送包失败"<<endl; PacketFreePacket(lpPacket); //释放发送包结构 } } else { cout<<"分配发送包LPPACKET结构失败!"<<endl; } PacketCloseAdapter(lpAdapter); return TRUE; }