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OpenBoard/thirdparty/openssl/openssl-1.0.0d/crypto/engine/eng_int.h

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/* crypto/engine/eng_int.h */
/* Written by Geoff Thorpe (geoff@geoffthorpe.net) for the OpenSSL
* project 2000.
*/
/* ====================================================================
* Copyright (c) 1999-2001 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* licensing@OpenSSL.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
/* ====================================================================
* Copyright 2002 Sun Microsystems, Inc. ALL RIGHTS RESERVED.
* ECDH support in OpenSSL originally developed by
* SUN MICROSYSTEMS, INC., and contributed to the OpenSSL project.
*/
#ifndef HEADER_ENGINE_INT_H
#define HEADER_ENGINE_INT_H
#include "cryptlib.h"
/* Take public definitions from engine.h */
#include <openssl/engine.h>
#ifdef __cplusplus
extern "C" {
#endif
/* If we compile with this symbol defined, then both reference counts in the
* ENGINE structure will be monitored with a line of output on stderr for each
* change. This prints the engine's pointer address (truncated to unsigned int),
* "struct" or "funct" to indicate the reference type, the before and after
* reference count, and the file:line-number pair. The "engine_ref_debug"
* statements must come *after* the change. */
#ifdef ENGINE_REF_COUNT_DEBUG
#define engine_ref_debug(e, isfunct, diff) \
fprintf(stderr, "engine: %08x %s from %d to %d (%s:%d)\n", \
(unsigned int)(e), (isfunct ? "funct" : "struct"), \
((isfunct) ? ((e)->funct_ref - (diff)) : ((e)->struct_ref - (diff))), \
((isfunct) ? (e)->funct_ref : (e)->struct_ref), \
(__FILE__), (__LINE__));
#else
#define engine_ref_debug(e, isfunct, diff)
#endif
/* Any code that will need cleanup operations should use these functions to
* register callbacks. ENGINE_cleanup() will call all registered callbacks in
* order. NB: both the "add" functions assume CRYPTO_LOCK_ENGINE to already be
* held (in "write" mode). */
typedef void (ENGINE_CLEANUP_CB)(void);
typedef struct st_engine_cleanup_item
{
ENGINE_CLEANUP_CB *cb;
} ENGINE_CLEANUP_ITEM;
DECLARE_STACK_OF(ENGINE_CLEANUP_ITEM)
void engine_cleanup_add_first(ENGINE_CLEANUP_CB *cb);
void engine_cleanup_add_last(ENGINE_CLEANUP_CB *cb);
/* We need stacks of ENGINEs for use in eng_table.c */
DECLARE_STACK_OF(ENGINE)
/* If this symbol is defined then engine_table_select(), the function that is
* used by RSA, DSA (etc) code to select registered ENGINEs, cache defaults and
* functional references (etc), will display debugging summaries to stderr. */
/* #define ENGINE_TABLE_DEBUG */
/* This represents an implementation table. Dependent code should instantiate it
* as a (ENGINE_TABLE *) pointer value set initially to NULL. */
typedef struct st_engine_table ENGINE_TABLE;
int engine_table_register(ENGINE_TABLE **table, ENGINE_CLEANUP_CB *cleanup,
ENGINE *e, const int *nids, int num_nids, int setdefault);
void engine_table_unregister(ENGINE_TABLE **table, ENGINE *e);
void engine_table_cleanup(ENGINE_TABLE **table);
#ifndef ENGINE_TABLE_DEBUG
ENGINE *engine_table_select(ENGINE_TABLE **table, int nid);
#else
ENGINE *engine_table_select_tmp(ENGINE_TABLE **table, int nid, const char *f, int l);
#define engine_table_select(t,n) engine_table_select_tmp(t,n,__FILE__,__LINE__)
#endif
typedef void (engine_table_doall_cb)(int nid, STACK_OF(ENGINE) *sk, ENGINE *def, void *arg);
void engine_table_doall(ENGINE_TABLE *table, engine_table_doall_cb *cb, void *arg);
/* Internal versions of API functions that have control over locking. These are
* used between C files when functionality needs to be shared but the caller may
* already be controlling of the CRYPTO_LOCK_ENGINE lock. */
int engine_unlocked_init(ENGINE *e);
int engine_unlocked_finish(ENGINE *e, int unlock_for_handlers);
int engine_free_util(ENGINE *e, int locked);
/* This function will reset all "set"able values in an ENGINE to NULL. This
* won't touch reference counts or ex_data, but is equivalent to calling all the
* ENGINE_set_***() functions with a NULL value. */
void engine_set_all_null(ENGINE *e);
/* NB: Bitwise OR-able values for the "flags" variable in ENGINE are now exposed
* in engine.h. */
/* Free up dynamically allocated public key methods associated with ENGINE */
void engine_pkey_meths_free(ENGINE *e);
void engine_pkey_asn1_meths_free(ENGINE *e);
/* This is a structure for storing implementations of various crypto
* algorithms and functions. */
struct engine_st
{
const char *id;
const char *name;
const RSA_METHOD *rsa_meth;
const DSA_METHOD *dsa_meth;
const DH_METHOD *dh_meth;
const ECDH_METHOD *ecdh_meth;
const ECDSA_METHOD *ecdsa_meth;
const RAND_METHOD *rand_meth;
const STORE_METHOD *store_meth;
/* Cipher handling is via this callback */
ENGINE_CIPHERS_PTR ciphers;
/* Digest handling is via this callback */
ENGINE_DIGESTS_PTR digests;
/* Public key handling via this callback */
ENGINE_PKEY_METHS_PTR pkey_meths;
/* ASN1 public key handling via this callback */
ENGINE_PKEY_ASN1_METHS_PTR pkey_asn1_meths;
ENGINE_GEN_INT_FUNC_PTR destroy;
ENGINE_GEN_INT_FUNC_PTR init;
ENGINE_GEN_INT_FUNC_PTR finish;
ENGINE_CTRL_FUNC_PTR ctrl;
ENGINE_LOAD_KEY_PTR load_privkey;
ENGINE_LOAD_KEY_PTR load_pubkey;
ENGINE_SSL_CLIENT_CERT_PTR load_ssl_client_cert;
const ENGINE_CMD_DEFN *cmd_defns;
int flags;
/* reference count on the structure itself */
int struct_ref;
/* reference count on usability of the engine type. NB: This
* controls the loading and initialisation of any functionlity
* required by this engine, whereas the previous count is
* simply to cope with (de)allocation of this structure. Hence,
* running_ref <= struct_ref at all times. */
int funct_ref;
/* A place to store per-ENGINE data */
CRYPTO_EX_DATA ex_data;
/* Used to maintain the linked-list of engines. */
struct engine_st *prev;
struct engine_st *next;
};
#ifdef __cplusplus
}
#endif
#endif /* HEADER_ENGINE_INT_H */