/*
 * Copyright (C) 2004-2012 Free Software Foundation, Inc.
 *
 * Author: Simon Josefsson
 *
 * This file is part of GnuTLS.
 *
 * GnuTLS 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 3 of the License, or
 * (at your option) any later version.
 *
 * GnuTLS 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 GnuTLS; if not, write to the Free Software Foundation,
 * Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
 */

#ifdef HAVE_CONFIG_H
#include <config.h>
#endif

#include <stdio.h>
#include <stdlib.h>
#include <stdarg.h>
 
#include "utils.h"

int debug = 0;
int error_count = 0;
int break_on_error = 0;

const char *pkcs3 =
  "-----BEGIN DH PARAMETERS-----\n"
  "MIGGAoGAtkxw2jlsVCsrfLqxrN+IrF/3W8vVFvDzYbLmxi2GQv9s/PQGWP1d9i22\n"
  "P2DprfcJknWt7KhCI1SaYseOQIIIAYP78CfyIpGScW/vS8khrw0rlQiyeCvQgF3O\n"
  "GeGOEywcw+oQT4SmFOD7H0smJe2CNyjYpexBXQ/A0mbTF9QKm1cCAQU=\n"
  "-----END DH PARAMETERS-----\n";

void
fail (const char *format, ...)
{
  char str[1024];
  va_list arg_ptr;

  va_start (arg_ptr, format);
  vsnprintf ( str, sizeof(str), format, arg_ptr);
  va_end (arg_ptr);
  fputs(str, stderr);
  error_count++;
  if (break_on_error)
    exit (1);
}

void
success (const char *format, ...)
{
  char str[1024];
  va_list arg_ptr;

  va_start (arg_ptr, format);
  vsnprintf ( str, sizeof(str), format, arg_ptr);
  va_end (arg_ptr);
  fputs(str, stderr);
}

void
escapeprint (const char *str, size_t len)
{
  size_t i;

  printf (" (length %d bytes):\n\t", (int) len);
  for (i = 0; i < len; i++)
    {
      if (((str[i] & 0xFF) >= 'A' && (str[i] & 0xFF) <= 'Z') ||
          ((str[i] & 0xFF) >= 'a' && (str[i] & 0xFF) <= 'z') ||
          ((str[i] & 0xFF) >= '0' && (str[i] & 0xFF) <= '9')
          || (str[i] & 0xFF) == ' ' || (str[i] & 0xFF) == '.')
        printf ("%c", (str[i] & 0xFF));
      else
        printf ("\\x%02X", (str[i] & 0xFF));
      if ((i + 1) % 16 == 0 && (i + 1) < len)
        printf ("'\n\t'");
    }
  printf ("\n");
}

void
hexprint (const void *_str, size_t len)
{
  size_t i;
  const char* str = _str;

  printf ("\t;; ");
  for (i = 0; i < len; i++)
    {
      printf ("%02x ", (str[i] & 0xFF));
      if ((i + 1) % 8 == 0)
        printf (" ");
      if ((i + 1) % 16 == 0 && i + 1 < len)
        printf ("\n\t;; ");
    }
  printf ("\n");
}

void
binprint (const void *_str, size_t len)
{
  size_t i;
  const char* str = _str;

  printf ("\t;; ");
  for (i = 0; i < len; i++)
    {
      printf ("%d%d%d%d%d%d%d%d ",
              (str[i] & 0xFF) & 0x80 ? 1 : 0,
              (str[i] & 0xFF) & 0x40 ? 1 : 0,
              (str[i] & 0xFF) & 0x20 ? 1 : 0,
              (str[i] & 0xFF) & 0x10 ? 1 : 0,
              (str[i] & 0xFF) & 0x08 ? 1 : 0,
              (str[i] & 0xFF) & 0x04 ? 1 : 0,
              (str[i] & 0xFF) & 0x02 ? 1 : 0, (str[i] & 0xFF) & 0x01 ? 1 : 0);
      if ((i + 1) % 3 == 0)
        printf (" ");
      if ((i + 1) % 6 == 0 && i + 1 < len)
        printf ("\n\t;; ");
    }
  printf ("\n");
}

int
main (int argc, char *argv[])
{
  do
    if (strcmp (argv[argc - 1], "-v") == 0 ||
        strcmp (argv[argc - 1], "--verbose") == 0)
      debug = 1;
    else if (strcmp (argv[argc - 1], "-b") == 0 ||
             strcmp (argv[argc - 1], "--break-on-error") == 0)
      break_on_error = 1;
    else if (strcmp (argv[argc - 1], "-h") == 0 ||
             strcmp (argv[argc - 1], "-?") == 0 ||
             strcmp (argv[argc - 1], "--help") == 0)
      {
        printf ("Usage: %s [-vbh?] [--verbose] [--break-on-error] [--help]\n",
                argv[0]);
        return 1;
      }
  while (argc-- > 1);

  doit ();

  if (debug || error_count > 0)
    printf ("Self test `%s' finished with %d errors\n", argv[0], error_count);

  return error_count ? 1 : 0;
}