Anonymous

#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>

void error(char *msg)
{
    perror(msg);
    exit(0);
}

int main(int argc, char *argv[])
{
    int sockfd, portno, n;
    struct sockaddr_in serv_addr;
    struct hostent *server;

    char buffer[2560];
    char header_buff[1000];
    char *wbuffer;
    if (argc < 3) {
       fprintf(stderr,"usage %s hostname port\n", argv[0]);
       exit(0);
    }
    portno = atoi(argv[2]);
    sockfd = socket(AF_INET, SOCK_STREAM, 0);
    if (sockfd < 0)
        error("ERROR opening socket");
    server = gethostbyname(argv[1]);
    if (server == NULL) {
        fprintf(stderr,"ERROR, no such host\n");
        exit(0);
    }
    bzero((char *) &serv_addr, sizeof(serv_addr));
    serv_addr.sin_family = AF_INET;
    bcopy((char *)server->h_addr,
         (char *)&serv_addr.sin_addr.s_addr,
         server->h_length);
    serv_addr.sin_port = htons(portno);
    if (connect(sockfd,&serv_addr,sizeof(serv_addr)) < 0)
        error("ERROR connecting");

//    printf("Please enter the message: ");
    bzero(buffer,2560);
//    fgets(buffer,255,stdin);
    strncpy(buffer,"GET /debian/pool/main/j/jabber/jabber-dev_1.4.3-3.3_i386.deb HTTP/1.0\r\n\r\n",sizeof(buffer));
    n = write(sockfd,buffer,strlen(buffer));
        FILE *file;
        file = fopen("/tmp/hello.deb", "wb");
    if (n < 0)
         error("ERROR writing to socket");
    bzero(buffer,2560);
    bzero(header_buff,1000);
        int nb,o;
    o=0;

while ( ( nb=read(sockfd,buffer,2560) > 0) && !(strstr(header_buff, "\r\n\r\n")) );{
        printf("%d bytes header_c recieved \n",strlen(buffer));
        strncpy(header_buff+o,buffer,nb);
        printf("%s \n", header_buff);
        o=strlen(header_buff);
        printf("%d bytes of header \n",o);
        //nb=read(sockfd,buffer,2560);
        bzero(buffer,2560);
    }
    while ( (nb=read(sockfd,buffer,2560)) ) {
        printf("%d bytes recieved \n",nb);
        //printf("%s",buffer);
        fwrite(buffer,1,nb,file);
        bzero(buffer,2560);
    }
    return 0;
        fclose(file);
}