37//Create a raw socket 38ints = socket (AF_INET, SOCK_RAW , IPPROTO_TCP); 39if(s < 0) 40{ 41printf("Error creating socket. Error number : %d . Error message : %s \n",errno,strerror(errno)); 42exit(0); 43} 44else 45{ 46printf("Socket created.\n"); 47} 48 49//Datagr...
// socket -#if VALGRIND int sockfd = ::socket(AF_INET, SOCK_STREAM, IPPROTO_TCP); if (sockfd < 0) { @@ -67,13 +66,6 @@int sockets::createNonblockingOrDie() } setNonBlockAndCloseOnExec(sockfd); -#else -int sockfd = ::socket(AF_INET, SOCK_STREAM | SOCK_NONBLOCK | SOCK_CLOEX...
FD_ZERO(&rd_set);FD_SET((unsigned)sock, &rd_set);constunsignednumFds = sock+1;structtimevaltimeout;timeout.tv_sec =5; timeout.tv_usec =0;intresult = select(numFds, &rd_set,NULL,NULL, &timeout);if(result <=0)break;unsignedcharreadBuffer[20];intbytesRead = readSocket(env, sock...
SOCK_RAW, SOCK_DGRAM两个参数都可以使用,区别在于使用SOCK_DGRAM收到的数据不包括数据链路层协议头。 总结起来就是: socket(AF_INET, SOCK_RAW, IPPROTO_TCP|IPPROTO_UDP|IPPROTO_ICMP)发送接收ip数据包 能:该套接字可以接收协议类型为(tcp udp icmp等)发往本机的ip数据包 不能:收到非发往本地ip的数据包...
互联网协议(IP)AF_INET TCPUDP Raw SOCK_STREAMSOCK_DGRAM SOCK_RAW IPPROTO_TCP IPPROTO_UDP IPPROTO_RAWIPPROTO_ICMP ……4 第四页，共94页。➢创建原始套接字使用socket()或WSASocket()创建原始套接字。➢例：创建原始套接字 使用预定义协议：SOCKETs;S=socket(AF_INET,SOCK_RAM,IPPROTO_ICMP);
} sockRaw = WSASocket(AF_INET, SOCK_RAW, IPPROTO_ICMP, NULL, 0,0); if (sockRaw = = INVALID_SOCKET) { fprintf(stderr,"WSASocket() failed: %d\n",WSAGetLastError()); ExitProcess(STATUS_FAILED); } bread=setsockopt(sockRaw,SOL_SOCKET,SO_RCVTIMEO,(char*)&timeout, sizeof(timeout)); ...
sockfd = socket(AF_INET, SOCK_RAW, IPPROTO_ICMP); if (sockfd < 0) printf("Socket creating error\n"); exit(1); } // Get the hostname if ((host = gethostbyname(argv[1])) == NULL) printf("Hostname error\n"); exit(1); } // Make address structure bzero(&addr, sizeof(addr)...
if ((sock = WSASocket(AF_INET,SOCK_RAW,IPPROTO_RAW,NULL,0,WSA_FLAG_OVERLAPPED)) ==INVALID_SOCKET) { printf("Socket Setup Error!\n"); return false; } flag=true; if (setsockopt(sock,IPPROTO_IP, IP_HDRINCL,(char *)&flag,sizeof(flag)) ==SOCKET_ERROR) { printf("setsockopt IP_HDRINCL...
if ((sock = socket(AF_INET, SOCK_RAW, IPPROTO_IP))==SOCKET_ERROR)//创建套接字 return false; gethostname(name, MAX_HOSTNAME_LAN);//主机名存放缓冲区name pHostent = gethostbyname(name);//返回包含主机名和地址信息的hosten结构指针
socket(TC_AF, SOCK_RAW, IPPROTO_RAW) 其中TC_AF就是AF_INET。核外程序可以通过创建一个"原始IP套接字"获得访问Netfilter的句柄,然后通过getsockopt()和setsockopt()系统调用来读取、更改Netfilter设置,详情见下。 iptables功能强大,可以对核内的表进行操作,这些操作主要指对其中规则链的添加、修改、清除,它的命令...