/*
 * crypto.C: Cryptographic module support.
 * Rights to this code are documented in doc/LICENSE.
 *
 * Copyright © 2005-2007 Atheme Project (http://www.atheme.org)           
 */

static char const rcsid[] = "$Id";

#include "atheme.h"

static char saltbuf[BUFSIZE];
bool crypto_module_loaded = false;

/*
 * crypt_string is just like crypt(3) under UNIX
 * systems. Modules provide this function, otherwise
 * it returns the string unencrypted.
 */
char *(*crypt_string) (char *str, char *salt) = &generic_crypt_string;

char *
generic_crypt_string (char *str, char *salt)
{
  return str;
}

/*
 * crypt_verify_password is a frontend to crypt_string().
 */
bool
crypt_verify_password (char *uinput, char *pass)
{
  char *cstr = crypt_string (uinput, pass);

  if (!strcmp (cstr, pass))
    return true;

  return false;
}

char *
gen_salt (void)
{
  char *ht = gen_pw (6);

  strlcpy (saltbuf, "$1$", BUFSIZE);
  strlcat (saltbuf, ht, BUFSIZE);
  strlcat (saltbuf, "$", BUFSIZE);

  free (ht);

  return saltbuf;
}

/* vim:cinoptions=>s,e0,n0,f0,{0,}0,^0,=s,ps,t0,c3,+s,(2s,us,)20,*30,gs,hs
 * vim:ts=8
 * vim:sw=8
 * vim:noexpandtab
 */