--- /dev/null
+/* 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 */
projects / cassiopeia.git / blobdiff