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#ifndef TRF_LOADMANAGER_H
#define TRF_LOADMANAGER_H
/* -*- c -*-
* loadman.h -
*
* internal definitions for loading of shared libraries required by Trf.
*
* Copyright (c) 1996-1999 Andreas Kupries (andreas_kupries@users.sourceforge.net)
* All rights reserved.
*
* Permission is hereby granted, without written agreement and without
* license or royalty fees, to use, copy, modify, and distribute this
* software and its documentation for any purpose, provided that the
* above copyright notice and the following two paragraphs appear in
* all copies of this software.
*
* IN NO EVENT SHALL I BE LIABLE TO ANY PARTY FOR DIRECT, INDIRECT, SPECIAL,
* INCIDENTAL, OR CONSEQUENTIAL DAMAGES ARISING OUT OF THE USE OF THIS
* SOFTWARE AND ITS DOCUMENTATION, EVEN IF I HAVE BEEN ADVISED OF THE
* POSSIBILITY OF SUCH DAMAGE.
*
* I SPECIFICALLY DISCLAIM ANY WARRANTIES, INCLUDING, BUT NOT LIMITED TO,
* THE IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE. THE SOFTWARE PROVIDED HEREUNDER IS ON AN "AS IS" BASIS, AND
* I HAVE NO OBLIGATION TO PROVIDE MAINTENANCE, SUPPORT, UPDATES,
* ENHANCEMENTS, OR MODIFICATIONS.
*
* CVS: $Id: loadman.h,v 1.11 2008/12/11 19:04:25 andreas_kupries Exp $
*/
/*
* The procedures defined here manage the loading of libraries required
* by various glue-code for crytographic algorithms. Dependent on the
* functionality requested more than one library will be tried before
* giving up entirely.
*
* All following sections define a structure for each algorithm to fill
* with the addresses of the functions required here, plus a procedure
* to do the filling.
*/
#ifdef __cplusplus
extern "C" {
#endif
#include "transformInt.h"
#if 1
#include "md2d.h"
#else
#ifdef HAVE_MD2_H
# ifdef OPENSSL_SUB
# include <openssl/md2.h>
# else
# include <md2.h>
# endif
#else
# include "../compat/md2.h"
#endif
#endif
#ifdef HAVE_SHA_H
# ifdef OPENSSL_SUB
# include <openssl/sha.h>
# else
# include <sha.h>
# endif
#else
# include "../compat/sha.h"
#endif
#if defined(HAVE_MD5_H) && !defined(MD5_STATIC_BUILD)
# ifdef OPENSSL_SUB
# include <openssl/md5.h>
# else
# include <md5.h>
# endif
# ifdef HAVE_UNISTD_H
# include <unistd.h>
# endif
#else
# include "../md5-crypt/md5.h"
# include "../md5-crypt/trf_crypt.h"
# define MD5_CTX struct md5_ctx
#endif
#ifdef TCL_STORAGE_CLASS
# undef TCL_STORAGE_CLASS
#endif
#ifdef BUILD_Trf
# define TCL_STORAGE_CLASS DLLEXPORT
#else
# define TCL_STORAGE_CLASS DLLIMPORT
#endif
/* Structures, variables and functions to load and access the functionality
* required for MD2 and SHA1. Affected command in case of failure: md2, sha1.
*/
/* Structures containing the vectors to jump through to the implementation
* of the functionality.
*/
typedef struct Md2Functions {
long loaded;
void (* init) _ANSI_ARGS_ ((MD2_CTX* c));
void (* update) _ANSI_ARGS_ ((MD2_CTX* c, const unsigned char* data,
size_t length));
void (* final) _ANSI_ARGS_ ((unsigned char* digest, MD2_CTX* c));
} md2Functions;
typedef struct Md5Functions {
long loaded;
void (* init) __P ((MD5_CTX* c));
void (* update) __P ((MD5_CTX* c, unsigned char* data,
unsigned long length));
void (* final) __P ((unsigned char* digest, MD5_CTX* c));
char* (* crypt) _ANSI_ARGS_ ((const char* key, const char* salt));
} md5Functions;
typedef struct Sha1Functions {
long loaded;
int (* init) _ANSI_ARGS_ ((SHA_CTX* c));
int (* update) _ANSI_ARGS_ ((SHA_CTX* c, const void* data,
size_t length));
int (* final) _ANSI_ARGS_ ((unsigned char* digest, SHA_CTX* c));
} sha1Functions;
/* Global variables containing the vectors declared above. 99% of the time they
* are read, but during load a write is required, which has to be protected by
* a mutex in case of a thread-enabled Tcl.
*/
EXTERN md2Functions md2f; /* THREADING: serialize initialization */
EXTERN md5Functions md5f; /* THREADING: serialize initialization */
EXTERN sha1Functions sha1f; /* THREADING: serialize initialization */
EXTERN int
TrfLoadMD2 _ANSI_ARGS_ ((Tcl_Interp *interp));
EXTERN int
TrfLoadMD5 _ANSI_ARGS_ ((Tcl_Interp *interp));
EXTERN int
TrfLoadSHA1 _ANSI_ARGS_ ((Tcl_Interp *interp));
#undef TCL_STORAGE_CLASS
#define TCL_STORAGE_CLASS DLLIMPORT
#ifdef __cplusplus
}
#endif /* C++ */
#endif /* TRF_LOADMANAGER_H */
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