Anonymous

#include <stdio.h> 		/* printf() */#include <stdlib.h>		/* atoi() */#include <string.h>		/* we'll use some string funcs, also memset() */#include <stdarg.h>  		/* for variable argument lists */#include <arpa/inet.h>  	/* sockaddr_in, inet_addr() */#include <sys/socket.h> 	/* socket(), connect(), send(), recv() */#include <unistd.h>		/* close() */typedef struct {	/* The socket our client will transmit data on */	int sock;	/* The server address */	struct sockaddr_in teepeeServerAddr;	/* The port we're going to connect on */	unsigned short teepeeServerPort;	/* A pointer to char for storing the IP */	char *serverIp;	/* A pointer to char for storing the url we're gonna GET */	char *geturl;} HttpConnection;#define RECVBUFSIZE 1024			  /* The size alloted to the buffer we're going to use			  			   * for the recv() buffer */#define SENDBUFSIZE 1024void DieWithError( char *errorMessage ); 	  /* outputs errorMessage and quits */int HttpGet( HttpConnection *, int bufsize, char *url, ...); int main ( void ){	char recvBuf[RECVBUFSIZE];	/* buffer used for storing recv() messages */	unsigned short bytesRcvd = 0;	/* used for indexing recvBuf after recv() */	int got = 0;	HttpConnection teepeecon, *teepee = &teepeecon; 		teepee->serverIp = "80.237.130.133";	teepee->geturl = "/";	teepee->teepeeServerPort = 80;				if ((teepee->sock = socket(PF_INET, SOCK_STREAM, IPPROTO_TCP)) < 0)		DieWithError("Error: socket() failed.");		memset(&(teepee->teepeeServerAddr), 0, sizeof(teepee->teepeeServerAddr));	teepee->teepeeServerAddr.sin_family		= AF_INET;	teepee->teepeeServerAddr.sin_addr.s_addr	= inet_addr(teepee->serverIp);  	teepee->teepeeServerAddr.sin_port		= htons(teepee->teepeeServerPort); 		if (connect(teepee->sock, (struct sockaddr *) &(teepee->teepeeServerAddr), sizeof(teepee->teepeeServerAddr)) < 0)		DieWithError("Error: connect() failed.");		HttpGet( teepee, SENDBUFSIZE, "GET http://%s%s HTTP/1.0\n\n", teepee->serverIp, teepee->geturl);	while ( 1 )	{		if ((bytesRcvd = recv(teepee->sock, recvBuf, RECVBUFSIZE-1, 0)) <= 0)			DieWithError("recv failed\n");			recvBuf[bytesRcvd] = '\0';			printf(recvBuf);	}	return 0;}/* DieWithError  */void DieWithError( char *errorMsg ){	perror(errorMsg);	exit(1);}int HttpGet( HttpConnection * teepeecon, int bufsize, char *url, ...){	va_list args;	char *buffer = malloc((size_t)bufsize);	unsigned int bufLen;	int retn = 0;		va_start(args, url);	vsnprintf(buffer, bufsize, url, args);	va_end(args);		bufLen = strlen(buffer);	if (send(teepeecon->sock, buffer, bufLen, 0) == bufLen) 		goto out;	else 	{		retn = -1;		goto out;	}		out:		free(buffer);		return retn;}