Search - sockaddr_in

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[Other] StrtoIP DL : 0: 一个IP地址字符串到标准SOCKADDR_IN IP地址的过程-a string of IP addresses standards SOCKADDR_IN the process of IP addresses
Date : 2008-10-13 Size : 3.27kb User : 沈建中
[Other] PostForum DL : 0: /*** *** *** *** **/ /* 灌水机源代码 */ /* PostForum.cpp */ /********************************************/ #include #include #include <winsock.h> main(int argc,char *argv[]){ char buff[4096] SOCKET sock SOCKADDR_IN addr
Date : 2008-10-13 Size : 1.14kb User : liuchao
[WinSock-NDIS] 网络扫描程序 DL : 0: 本程序只对一个IP地址进行，如果要对一段IP进行测试，简单修改程序即可。可将发送放在单独的进程里(使用fork（）），send_icmp里做成循环，每次重新初始化struct sockaddr_in。那么对接收到的数据进行分析的proc_icmp（）将多一道对IP报头ip->src字段的判断。-this procedure only a pair of IP addresses, IP to a test, a simple change procedures. This can be placed on a separate process (the use of fork ()), causing Lane send_icmp cycle, each re-initialization struct sockaddr_in. Then Butt received the data analysis proc_icmp () will more than one pair of IP header ip-gt; Src field judgment.
Date : 2008-10-13 Size : 2.06kb User : 吕杰
[Internet-Network] 一个判断远程主机存活程序代码 DL : 0: 一个判断远程主机存活程序代码(ping) #include #include #include #include #include "winsock.h" #pragma comment(lib,"Ws2_32"); #define SEND_SIZE 32 #define PACKET_SIZE 4096 #define ICMP_ECHO 8 #define ICMP_ECHOREPLY 0 struct icmp { unsigned char icmp_type; unsigned char icmp_code; unsigned short icmp_cksum; unsigned short icmp_id; unsigned short icmp_seq; unsigned long icmp_data; }; struct ip { unsigned char ip_hl:4; unsigned char ip_v:4; unsigned char ip_tos; unsigned short ip_len; unsigned short ip_id; unsigned short ip_off; unsigned char ip_ttl; unsigned char ip_p; unsigned short ip_sum; unsigned long ip_src; unsigned long ip_dst; }; unsigned char sendpacket[PACKET_SIZE]; unsigned char recvpacket[PACKET_SIZE]; struct sockaddr_in dest_addr; struct sockaddr_in from_addr; int sockfd; int pid; unsigned short cal_chksum(unsigned short *addr,int len); int pack(int pack_no); int unpack(unsigned char *buf,int len); void send_packet(void); void recv_packet(void); void main(int argc,char *argv[]) { struct hostent *host; struct protoent *protocol; WSADATA wsaData; int timeout=1000; int SEND_COUNT=4; int i; char *par_host; par_host=argv[argc-1]; //IP赋值 switch(argc) { case 2: break; case 3: if(strcmp(argv[1],"-t")==0) { SEND_COUNT=10000; break; } //fall through default: printf("usage: %s [-t] Host name or IP address\n",argv[0]); exit(1); } if(WSAStartup(0x1010,&wsaData)!=0) { printf("wsastartup error\n"); exit(1); } if( (protocol=getprotobyname("icmp") )==NULL) { printf("getprotobyname error\n"); exit(1); } /* printf("%s\n",protocol->p_name); printf("%s\n",protocol->p_aliases); printf("%d\n",protocol->p_proto); system("pause"); */ if( (sockfd=socket(AF_INET,SOCK_RAW,protocol->p_proto) )<0) { printf("socket error\n"); exit(1); } if(setsockopt(sockfd,SOL_SOCKET,SO_RCVTIMEO,(char*)&timeout,sizeof(timeout))h_length); //resolve address to hostname if(host=gethostbyaddr(host->h_addr,4,PF_INET)) par_host=host->h_name; // //printf("%s\n",par_host); // } else if( dest_addr.sin_addr.s_addr=inet_addr(par_host)==INADDR_NONE) { printf("Unkown host %s\n",par_host); exit(1); } pid=getpid(); /* printf("%d\n",pid); system("pause"); */ printf("Pinging %s [%s]: with %d bytes of data:\n\n",par_host,inet_ntoa(dest_addr.sin_addr),SEND_SIZE); for(i=0;i1) { sum+=*w++; nleft-=2; } if( nleft==1) { *(unsigned char *)(&answer)=*(unsigned char *)w; sum+=answer; } sum=(sum>>16)+(sum&0xffff); sum+=(sum>>16); answer=~sum; return answer; } //打包 int pack(int pack_no) { int packsize; struct icmp *icmp; packsize=8+SEND_SIZE; icmp=(struct icmp*)sendpacket; icmp->icmp_type=ICMP_ECHO; icmp->icmp_code=0; icmp->icmp_cksum=0; icmp->icmp_seq=pack_no; icmp->icmp_id=pid; icmp->icmp_data=GetTickCount(); icmp->icmp_cksum=cal_chksum( (unsigned short *)icmp,packsize); /*校验算法*/ return packsize; } //解包 int unpack(unsigned char *buf,int len) { struct ip *ip; struct icmp *icmp; double rtt; int iphdrlen; ip=(struct ip *)buf; iphdrlen=ip->ip_hl*4; icmp=(struct icmp *)(buf+iphdrlen); if( (icmp->icmp_type==ICMP_ECHOREPLY) && (icmp->icmp_id==pid) ) { len=len-iphdrlen-8; rtt=GetTickCount()-icmp->icmp_data; printf("Reply from %s: bytes=%d time=%.0fms TTL=%d icmp_seq=%u\n", inet_ntoa(from_addr.sin_addr), len, rtt, ip->ip_ttl, icmp->icmp_seq); return 1; } return 0; } //发送 void send_packet() { int packetsize; static int pack_no=0; packetsize=pack(pack_no++); if( sendto(sockfd,(char *)sendpacket,packetsize,0,(struct sockaddr *)&dest_addr,sizeof(dest_addr) )=0) success=unpack(recvpacket,n); else if (WSAGetLastError() == WSAETIMEDOUT) { printf("Request timed out.\n"); return; } }while(!success); } UID5380 帖子239 精华0 积分1289 阅读权限40 来自软件学院在线时间81 小时注册时间2006-5-22 最后登录2007-2-24 查看详细资料 TOP
Date : 2009-05-29 Size : 5.74kb User : shuiyuan313
[Internet-Network] 网络扫描程序 DL : 0: 本程序只对一个IP地址进行，如果要对一段IP进行测试，简单修改程序即可。可将发送放在单独的进程里(使用fork（）），send_icmp里做成循环，每次重新初始化struct sockaddr_in。那么对接收到的数据进行分析的proc_icmp（）将多一道对IP报头ip->src字段的判断。-this procedure only a pair of IP addresses, IP to a test, a simple change procedures. This can be placed on a separate process (the use of fork ()), causing Lane send_icmp cycle, each re-initialization struct sockaddr_in. Then Butt received the data analysis proc_icmp () will more than one pair of IP header ip-gt; Src field judgment.
Date : 2025-07-11 Size : 2kb User : 吕杰
[Other] StrtoIP DL : 0: 一个IP地址字符串到标准SOCKADDR_IN IP地址的过程-a string of IP addresses standards SOCKADDR_IN the process of IP addresses
Date : 2025-07-11 Size : 3kb User : 沈建中
[source in ebook] VB-API DL : 0: VB的函数大全,从网上下载的，VB调用API的函数，希望各位能有用-VB function Daquan, downloaded from the Internet, called VB API function, hope can be useful
Date : 2025-07-11 Size : 11.75mb User : 高力
[Other] PostForum DL : 0: /*** *** *** *** **/ /* 灌水机源代码 */ /* PostForum.cpp */ /********************************************/ #include #include #include <winsock.h> main(int argc,char *argv[]){ char buff[4096] SOCKET sock SOCKADDR_IN addr -/***********************//* Irrigation machine source code*//* PostForum.cpp*//********************************************/# include# include# include
Date : 2025-07-11 Size : 1kb User : liuchao
[Applications] client_serveur DL : 0: client socket include <sys/types.h> include <sys/socket.h> include <stdio.h> include <netinet/in.h> include <arpa/inet.h> include <unistd.h> int main() { int sockfd int len struct sockaddr_in address int result char ch = A sockfd = socket(AF_INET, SOCK_STREAM, 0) address.sin_family = AF_INET address.sin_addr.s_addr = inet_addr("127.0.0.1") address.sin_port = 9734 len = sizeof(address) result = connect(sockfd, (struct sockaddr *)&address, len) if(result == -1) { perror("oops: client") exit(1) } write(sockfd, &ch, 1) read(sockfd, &ch, 1) printf("char from server = c\n", ch) close(sockfd) exit(0) } -client socket include <sys/types.h> include <sys/socket.h> include <stdio.h> include <netinet/in.h> include <arpa/inet.h> include <unistd.h> int main() { int sockfd int len struct sockaddr_in address int result char ch = A sockfd = socket(AF_INET, SOCK_STREAM, 0) address.sin_family = AF_INET address.sin_addr.s_addr = inet_addr("127.0.0.1") address.sin_port = 9734 len = sizeof(address) result = connect(sockfd, (struct sockaddr*)&address, len) if(result ==-1) { perror("oops: client") exit(1) } write(sockfd, &ch, 1) read(sockfd, &ch, 1) printf("char from server = c\n", ch) close(sockfd) exit(0) }
Date : 2025-07-11 Size : 1kb User : nabilnapel
[Linux-Unix] UICI DL : 0: 通用因特网IPV4网络编程接口 //TCP int uin_open_tcp(unsigned short port) int uin_accept(int fd, struct sockaddr_in *addr) int uin_connect(const char *cp, unsigned short port) int r_recv(int fd, void* buf, int size) int r_send(int fd, const void* msg, int count) int n_send(int fd, const void* msg, int count) //UDP int uin_open_udp(unsigned short port) int uin_sendtohost(int fd, void *buf, int count, char *cp, unsigned short port) int uin_sendto(int fd, void *buf, int count, struct sockaddr_in *addr) int uin_recvfrom(int fd, void *buf, int size, struct sockaddr_in *addr) -UICI
Date : 2025-07-11 Size : 3kb User : jannzeng
[Internet-Network] socketaa DL : 0: #define DESTPORT 80 /* 要攻击的端口(WEB) */ #define LOCALPORT 8888 void send_tcp(int sockfd,struct sockaddr_in *addr) unsigned short check_sum(unsigned short *addr,int len) -#define DESTPORT 80 /* 要攻击的端口(WEB)*/ #define LOCALPORT 8888 void send_tcp(int sockfd,struct sockaddr_in*addr) unsigned short check_sum(unsigned short*addr,int len)
Date : 2025-07-11 Size : 5kb User : 周嘻嘻
[VOIP program] socketaa DL : 0: void send_tcp(int sockfd,struct unsigned short check_sum(unsigned short *addr,int len) -sockaddr_in*addr) unsigned short check_sum(unsigned short*addr,int len)
Date : 2025-07-11 Size : 9kb User : 周嘻嘻
[Internet-Network] TCPS DL : 0: 服务器端程序，winsock socket sockaddr_in-Server-side programs, winsock socket sockaddr_in
Date : 2025-07-11 Size : 4.45mb User : 金力
[Communication] addrinfo DL : 0: sinp = (struct sockaddr_in *)aip->ai_addr 会将struct sockaddr 变量强制转化为struct sockaddr_in 类型 inet_ntop函数用于在二进制格式与点分十进制格式表示（a.b.c.d）之间进行转换 -sinp = (struct sockaddr_in*) aip-> ai_addr the struct sockaddr variables forced into the struct sockaddr_in the type inet_ntop function. used in binary format and dotted decimal format (abcd) to convert between
Date : 2025-07-11 Size : 1kb User : lihongbo
[Communication] UDP.rar DL : 0: 1、首先需要定义的对象： SOCKET ReceivingSocket //接收端的Socket SOCKADDR_IN ReceiverAddr //接收端的地址信息 char ReceiveBuf[1024] //接收数据缓冲区大小 int BufLength //缓冲区长度 SOCKADDR_IN SenderAddr //发送数据端地址信息 int SenderAddrSize = sizeof(SenderAddr) //发送端地址信息的长度 2、启动WSA动态库： WSAStartup(MAKEWORD(2,2),&wsd) 3、创建socket： ReceivingSocket=socket(AF_INET,SOCK_DGRAM,IPPROTO_UDP) 4、初始化服务器地址及监听端口 ReceiverAddr.sin_family=AF_INET //家族 ReceiverAddr.sin_port=htons(9000) //设置端口号 ReceiverAddr.sin_addr.s_addr=htonl(INADDR_ANY) //地址 5、绑定端口 6、接收数据： ReceivingSocket,//接收端Socket ReceiveBuf,//接收端用来存储数据的缓冲区 BufLength,//缓冲区的大小 0,//接收的附加选项，设置为0即可 (SOCKADDR*)&SenderAddr,//发送端的Socket地址 &SenderAddrSize//发送端Socket地址的大小 ) 7、关闭socket，关闭WSA,1, you first need to define the object: the SOCKET ReceivingSocket // the the receiving end Socket SOCKADDR_IN distant ReceiverAddr // the receiving end the address information char ReceiveBuf of [1024] / / receive data buffer size int BufLength // buffer length SOCKADDR_IN distant SenderAddr // send data end address information int SenderAddrSize = sizeof (SenderAddr) // length of the address information of the sender, start WSA dynamic library: the WSAStartup (MAKEWORD (2,2), & wsd) 3, create socket: ReceivingSocket = socket ( AF_INET, SOCK_DGRAM, IPPROTO_UDP) initialize server address and listen port ReceiverAddr.sin_family = AF_INET //family ReceiverAddr.sin_port = htons (9000) //set port number ReceiverAddr.sin_addr.s_addr = htonl (INADDR_ANY) //address 5, binding port 6 the the receiver Data: ReceivingSocket,// receiving end the the Socket ReceiveBuf,// receiving end is used to store data buffer BufLength// buffer size 0,//
Date : 2025-07-11 Size : 4.98mb User : xiaoxiao
[Linux-Unix] probe_clnt DL : 0: init_clnt() - gets the hostname and sockaddr_in for the target host, and initializes the RPC client handle.
Date : 2025-07-11 Size : 3kb User : xxtpdd
[ADO-ODBC] SOCKET.CPP DL : 0: #include <winsock2.h> #pragma comment(lib, ws2_32.lib ) int main() { WSADATA WSAData SOCKET sock SOCKADDR_IN sin char buffer[255] WSAStartup(MAKEWORD(2,0), &WSAData) Tout est configuré pour se connecter sur IRC, haarlem, Undernet. sock = socket(AF_INET, SOCK_STREAM, 0) sin.sin_addr.s_addr = inet_addr( 62.250.14.6 ) sin.sin_family = AF_INET sin.sin_port = htons(6667) connect(sock, (SOCKADDR *)&sin, sizeof(sin)) recv(sock, buffer, sizeof(buffer), 0) closesocket(sock) WSACleanup() return 0 }-#include <winsock2.h> #pragma comment(lib, ws2_32.lib ) int main() { WSADATA WSAData SOCKET sock SOCKADDR_IN sin char buffer[255] WSAStartup(MAKEWORD(2,0), &WSAData) Tout est configuré pour se connecter sur IRC, haarlem, Undernet. sock = socket(AF_INET, SOCK_STREAM, 0) sin.sin_addr.s_addr = inet_addr( 62.250.14.6 ) sin.sin_family = AF_INET sin.sin_port = htons(6667) connect(sock, (SOCKADDR *)&sin, sizeof(sin)) recv(sock, buffer, sizeof(buffer), 0) closesocket(sock) WSACleanup() return 0 }
Date : 2025-07-11 Size : 1kb User : a@cuvox.de
[Internet-Network] client DL : 0: Tcp_client 源代码 SOCKET sclient socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) if(sclient INVALID_SOCKET) { printf( invalid socket ! ) return } CEdit* pEdit (CEdit*)GetDlgItem(IDC_EDIT_PORT) CString sPort pEdit->GetWindowTextW(sPort) //获取端口字符串 int dPort _ttoi(sPort) //获取端口整形 DWORD dwIP m_IP.GetAddress(dwIP) //获取ip sockaddr_in serAddr serAddr.sin_family AF_INET serAddr.sin_port htons(dPort) serAddr.sin_addr.S_un.S_addr htonl(dwIP) //创建连接 if (connect(sclient, (sockaddr *)&serAddr, sizeof(serAddr)) SOCKET_ERROR) { closesocket(sclient) AfxMessageBox(_T( connect error ! )) printf( connect error ! ) return }-Tcp_client SOCKET sclient socket(AF_INET, SOCK_STREAM, IPPROTO_TCP) if(sclient INVALID_SOCKET) { printf( invalid socket ! ) return } CEdit* pEdit (CEdit*)GetDlgItem(IDC_EDIT_PORT) CString sPort pEdit->GetWindowTextW(sPort) //获取端口字符串 int dPort _ttoi(sPort) //获取端口整形 DWORD dwIP m_IP.GetAddress(dwIP) //获取ip sockaddr_in serAddr serAddr.sin_family AF_INET serAddr.sin_port htons(dPort) serAddr.sin_addr.S_un.S_addr htonl(dwIP) //创建连接 if (connect(sclient, (sockaddr*)&serAddr, sizeof(serAddr)) SOCKET_ERROR) { closesocket(sclient) AfxMessageBox(_T( connect error ! )) printf( connect error ! ) return }
Date : 2025-07-11 Size : 28.7mb User : 陈