ircd/ircd_crypt_native.c

   1 /*
   2  * IRC - Internet Relay Chat, ircd/ircd_xopen.c
   3  * Copyright (C) 1990, 1991 Armin Gruner
   4  *
   5  * This program is free software; you can redistribute it and/or modify
   6  * it under the terms of the GNU General Public License as published by
   7  * the Free Software Foundation; either version 1, or (at your option)
   8  * any later version.
   9  *
  10  * This program is distributed in the hope that it will be useful,
  11  * but WITHOUT ANY WARRANTY; without even the implied warranty of
  12  * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE.  See the
  13  * GNU General Public License for more details.
  14  *
  15  * You should have received a copy of the GNU General Public License
  16  * along with this program; if not, write to the Free Software
  17  * Foundation, Inc., 675 Mass Ave, Cambridge, MA 02139, USA.
  18  */
  19 /**
  20  * @file
  21  * @brief Native crypt() function routines
  22  * @version $Id: ircd_crypt_native.c,v 1.7.2.1 2005/12/14 03:01:38 entrope Exp $
  23  *
  24  * Routines for handling passwords encrypted with the system's native crypt()
  25  * function (typically a DES encryption routine, but can be anything nowadays).
  26  *
  27  */
  28 #define _XOPEN_SOURCE 500
  29
  30 #include "config.h"
  31 #include "ircd_crypt.h"
  32 #include "ircd_crypt_native.h"
  33 #include "ircd_log.h"
  34 #include "s_debug.h"
  35 #include "ircd_alloc.h"
  36
  37 /* #include <assert.h> -- Now using assert in ircd_log.h */
  38 #include <unistd.h>
  39 #ifdef HAVE_CRYPT_H
  40 #include <crypt.h>
  41 #endif
  42
  43 /** Simple routine that just calls crypt() with the supplied password and salt
  44  * @param key The password we're encrypting.
  45  * @param salt The salt we're using to encrypt key
  46  * @return The encrypted password.
  47  *
  48  * Well this bit is (kinda) intact from the original oper password routines :)
  49  * It's a very simple wrapper routine that just calls crypt and returns the
  50  * result.
  51  *   -- hikari
  52  */
  53 const char* ircd_crypt_native(const char* key, const char* salt)
  54 {
  55  assert(NULL != key);
  56  assert(NULL != salt);
  57
  58  Debug((DEBUG_DEBUG, "ircd_crypt_native: key is %s", key));
  59  Debug((DEBUG_DEBUG, "ircd_crypt_native: salt is %s", salt));
  60
  61  return (const char*)crypt(key, salt);
  62 }
  63
  64 /* register ourself with the list of crypt mechanisms -- hikari */
  65 void ircd_register_crypt_native(void)
  66 {
  67 crypt_mech_t* crypt_mech;
  68
  69  if ((crypt_mech = (crypt_mech_t*)MyMalloc(sizeof(crypt_mech_t))) == NULL)
  70  {
  71   Debug((DEBUG_MALLOC, "Could not allocate space for crypt_native"));
  72   return;
  73  }
  74
  75  crypt_mech->mechname = "native";
  76  crypt_mech->shortname = "crypt_native";
  77  crypt_mech->description = "System native crypt() function mechanism.";
  78  crypt_mech->crypt_function = &ircd_crypt_native;
  79  crypt_mech->crypt_token = "$CRYPT$";
  80  crypt_mech->crypt_token_size = 7;
  81
  82  ircd_crypt_register_mech(crypt_mech);
  83
  84 return;
  85 }