wraith-ircbot/makesalt.c

/************************************************************************
 *   psybnc2.2.2, tools/makesalt.c
 *   Copyright (C) 2001 the most psychoid  and
 *                      the cool lam3rz IRC Group, IRCnet
 *			http://www.psychoid.lam3rz.de
 *
 *   This program is free software; you can redistribute it and/or modify
 *   it under the terms of the GNU General Public License as published by
 *   the Free Software Foundation; either version 1, or (at your option)
 *   any later version.
 *
 *   This program is distributed in the hope that it will be useful,
 *   but WITHOUT ANY WARRANTY; without even the implied warranty of
 *   MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
 *   GNU General Public License for more details.
 *
 *   You should have received a copy of the GNU General Public License
 *   along with this program; if not, write to the Free Software
 *   Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
 */

#include <stdio.h>
#include <stdlib.h>
#include <strings.h>
#include <time.h>

char rbuf[100];

const char *
randstring (int length)
{
  char *po;
  int i;
  po = rbuf;
  if (length > 100)
    length = 100;
  for (i = 0; i < length; i++)
    {
      *po = (char) (0x61 + (rand () & 15));
      po++;
    }
  *po = 0;
  po = rbuf;
  return po;
}

int
main (void)
{

  FILE *salt;
  int saltlen1;
  int saltlen2;
  int foo;
  srand (time (NULL));
  saltlen1 = (rand () & 20) + 5;
  saltlen2 = (rand () & 20) + 5;
  if ((salt = fopen ("salt.h", "r")) != NULL)
    {
      fclose (salt);
      printf ("Using existent Salt-File\n");
      exit (0x0);
    }
  printf ("Creating Salt File\n");
  if ((salt = fopen ("salt.h", "w")) == NULL)
    {
      printf ("Cannot created Salt-File.. aborting\n");
      exit (0x1);
    }
  fprintf (salt,
	   "/* The 1. Salt -> string containing anything, %d chars */\n",
	   saltlen1);
  fprintf (salt, "#define SALT1 %c%s%c\n", 34, randstring (saltlen1), 34);
  fprintf (salt, "\n");
  fprintf (salt,
	   "/* The 2. Salt -> string containing anything, %d chars */\n",
	   saltlen2);
  fprintf (salt, "#define SALT2 %c%s%c\n", 34, randstring (saltlen2), 34);
  fprintf (salt, "\n");
  fprintf (salt, "/* the 1. Code -> a one byte startup code */\n");
  fprintf (salt, "#define CODE1 %d\n", 64 + (rand () & 15));
  fprintf (salt, "\n");
  fprintf (salt, "/* the 2. Code -> a one byte startup code */\n");
  fprintf (salt, "#define CODE2 %d\n", 64 + (rand () & 15));
  fprintf (salt, "\n");
  fprintf (salt, "/* the 1. Salt Offset -> value from 0-%d */\n",
	   saltlen1 - 1);
  fprintf (salt, "#define SA1 %d\n", rand () & (saltlen1 - 1));
  fprintf (salt, "\n");
  fprintf (salt, "/* the 2. Salt Offset -> value from 0-%d */\n",
	   saltlen2 - 1);
  fprintf (salt, "#define SA2 %d\n", rand () & (saltlen2 - 1));
  fprintf (salt, "\n");
  fprintf (salt, "/* the make salt routine */\n");
  fprintf (salt,
	   "/* dont wonder about the redundance, its needed to somehow hide the fully salts */\n");
  fprintf (salt, "\n");
  fprintf (salt, "/* salt buffers */\n");
  fprintf (salt, "\n");
  fprintf (salt, "unsigned char slt1[%d];\n", saltlen1 + 1);
  fprintf (salt, "unsigned char slt2[%d];\n", saltlen2 + 1);
  fprintf (salt, "\n");
  fprintf (salt, "int makesalt(void)\n");
  fprintf (salt, "{\n");
  for (foo = 0; foo < saltlen1; foo++)
    fprintf (salt, "    slt1[%d]=SALT1[%d];\n", foo, foo);
  fprintf (salt, "    slt1[%d]=0;\n", saltlen1);
  for (foo = 0; foo < saltlen2; foo++)
    fprintf (salt, "    slt2[%d]=SALT2[%d];\n", foo, foo);
  fprintf (salt, "    slt2[%d]=0;\n", saltlen2);
  fprintf (salt, "}");
  fprintf (salt, "\n");
  fclose (salt);
  printf ("Salt File created.\n");
  exit (0x0);
}