--- /dev/null	2014-08-13 19:52:37.000000000 +0400
+++ new/usr/src/lib/openssl/libsunw_crypto/engine/eng_list.c	2014-08-13 19:52:37.278474379 +0400
@@ -0,0 +1,434 @@
+/* crypto/engine/eng_list.c */
+/* 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.
+ */
+
+#include "eng_int.h"
+
+/* The linked-list of pointers to engine types. engine_list_head
+ * incorporates an implicit structural reference but engine_list_tail
+ * does not - the latter is a computational niceity and only points
+ * to something that is already pointed to by its predecessor in the
+ * list (or engine_list_head itself). In the same way, the use of the
+ * "prev" pointer in each ENGINE is to save excessive list iteration,
+ * it doesn't correspond to an extra structural reference. Hence,
+ * engine_list_head, and each non-null "next" pointer account for
+ * the list itself assuming exactly 1 structural reference on each
+ * list member. */
+static ENGINE *engine_list_head = NULL;
+static ENGINE *engine_list_tail = NULL;
+
+/* This cleanup function is only needed internally. If it should be called, we
+ * register it with the "ENGINE_cleanup()" stack to be called during cleanup. */
+
+static void engine_list_cleanup(void)
+	{
+	ENGINE *iterator = engine_list_head;
+
+	while(iterator != NULL)
+		{
+		ENGINE_remove(iterator);
+		iterator = engine_list_head;
+		}
+	return;
+	}
+
+/* These static functions starting with a lower case "engine_" always
+ * take place when CRYPTO_LOCK_ENGINE has been locked up. */
+static int engine_list_add(ENGINE *e)
+	{
+	int conflict = 0;
+	ENGINE *iterator = NULL;
+
+	if(e == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_LIST_ADD,
+			ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+		}
+	iterator = engine_list_head;
+	while(iterator && !conflict)
+		{
+		conflict = (strcmp(iterator->id, e->id) == 0);
+		iterator = iterator->next;
+		}
+	if(conflict)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_LIST_ADD,
+			ENGINE_R_CONFLICTING_ENGINE_ID);
+		return 0;
+		}
+	if(engine_list_head == NULL)
+		{
+		/* We are adding to an empty list. */
+		if(engine_list_tail)
+			{
+			ENGINEerr(ENGINE_F_ENGINE_LIST_ADD,
+				ENGINE_R_INTERNAL_LIST_ERROR);
+			return 0;
+			}
+		engine_list_head = e;
+		e->prev = NULL;
+		/* The first time the list allocates, we should register the
+		 * cleanup. */
+		engine_cleanup_add_last(engine_list_cleanup);
+		}
+	else
+		{
+		/* We are adding to the tail of an existing list. */
+		if((engine_list_tail == NULL) ||
+				(engine_list_tail->next != NULL))
+			{
+			ENGINEerr(ENGINE_F_ENGINE_LIST_ADD,
+				ENGINE_R_INTERNAL_LIST_ERROR);
+			return 0;
+			}
+		engine_list_tail->next = e;
+		e->prev = engine_list_tail;
+		}
+	/* Having the engine in the list assumes a structural
+	 * reference. */
+	e->struct_ref++;
+	engine_ref_debug(e, 0, 1)
+	/* However it came to be, e is the last item in the list. */
+	engine_list_tail = e;
+	e->next = NULL;
+	return 1;
+	}
+
+static int engine_list_remove(ENGINE *e)
+	{
+	ENGINE *iterator;
+
+	if(e == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_LIST_REMOVE,
+			ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+		}
+	/* We need to check that e is in our linked list! */
+	iterator = engine_list_head;
+	while(iterator && (iterator != e))
+		iterator = iterator->next;
+	if(iterator == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_LIST_REMOVE,
+			ENGINE_R_ENGINE_IS_NOT_IN_LIST);
+		return 0;
+		}
+	/* un-link e from the chain. */
+	if(e->next)
+		e->next->prev = e->prev;
+	if(e->prev)
+		e->prev->next = e->next;
+	/* Correct our head/tail if necessary. */
+	if(engine_list_head == e)
+		engine_list_head = e->next;
+	if(engine_list_tail == e)
+		engine_list_tail = e->prev;
+	engine_free_util(e, 0);
+	return 1;
+	}
+
+/* Get the first/last "ENGINE" type available. */
+ENGINE *ENGINE_get_first(void)
+	{
+	ENGINE *ret;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	ret = engine_list_head;
+	if(ret)
+		{
+		ret->struct_ref++;
+		engine_ref_debug(ret, 0, 1)
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	return ret;
+	}
+
+ENGINE *ENGINE_get_last(void)
+	{
+	ENGINE *ret;
+
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	ret = engine_list_tail;
+	if(ret)
+		{
+		ret->struct_ref++;
+		engine_ref_debug(ret, 0, 1)
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	return ret;
+	}
+
+/* Iterate to the next/previous "ENGINE" type (NULL = end of the list). */
+ENGINE *ENGINE_get_next(ENGINE *e)
+	{
+	ENGINE *ret = NULL;
+	if(e == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_GET_NEXT,
+			ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+		}
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	ret = e->next;
+	if(ret)
+		{
+		/* Return a valid structural refernce to the next ENGINE */
+		ret->struct_ref++;
+		engine_ref_debug(ret, 0, 1)
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	/* Release the structural reference to the previous ENGINE */
+	ENGINE_free(e);
+	return ret;
+	}
+
+ENGINE *ENGINE_get_prev(ENGINE *e)
+	{
+	ENGINE *ret = NULL;
+	if(e == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_GET_PREV,
+			ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+		}
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	ret = e->prev;
+	if(ret)
+		{
+		/* Return a valid structural reference to the next ENGINE */
+		ret->struct_ref++;
+		engine_ref_debug(ret, 0, 1)
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	/* Release the structural reference to the previous ENGINE */
+	ENGINE_free(e);
+	return ret;
+	}
+
+/* Add another "ENGINE" type into the list. */
+int ENGINE_add(ENGINE *e)
+	{
+	int to_return = 1;
+	if(e == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_ADD,
+			ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+		}
+	if((e->id == NULL) || (e->name == NULL))
+		{
+		ENGINEerr(ENGINE_F_ENGINE_ADD,
+			ENGINE_R_ID_OR_NAME_MISSING);
+		}
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	if(!engine_list_add(e))
+		{
+		ENGINEerr(ENGINE_F_ENGINE_ADD,
+			ENGINE_R_INTERNAL_LIST_ERROR);
+		to_return = 0;
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	return to_return;
+	}
+
+/* Remove an existing "ENGINE" type from the array. */
+int ENGINE_remove(ENGINE *e)
+	{
+	int to_return = 1;
+	if(e == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_REMOVE,
+			ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+		}
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	if(!engine_list_remove(e))
+		{
+		ENGINEerr(ENGINE_F_ENGINE_REMOVE,
+			ENGINE_R_INTERNAL_LIST_ERROR);
+		to_return = 0;
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	return to_return;
+	}
+
+static void engine_cpy(ENGINE *dest, const ENGINE *src)
+	{
+	dest->id = src->id;
+	dest->name = src->name;
+#ifndef OPENSSL_NO_RSA
+	dest->rsa_meth = src->rsa_meth;
+#endif
+#ifndef OPENSSL_NO_DSA
+	dest->dsa_meth = src->dsa_meth;
+#endif
+#ifndef OPENSSL_NO_DH
+	dest->dh_meth = src->dh_meth;
+#endif
+#ifndef OPENSSL_NO_ECDH
+	dest->ecdh_meth = src->ecdh_meth;
+#endif
+#ifndef OPENSSL_NO_ECDSA
+	dest->ecdsa_meth = src->ecdsa_meth;
+#endif
+	dest->rand_meth = src->rand_meth;
+	dest->store_meth = src->store_meth;
+	dest->ciphers = src->ciphers;
+	dest->digests = src->digests;
+	dest->pkey_meths = src->pkey_meths;
+	dest->destroy = src->destroy;
+	dest->init = src->init;
+	dest->finish = src->finish;
+	dest->ctrl = src->ctrl;
+	dest->load_privkey = src->load_privkey;
+	dest->load_pubkey = src->load_pubkey;
+	dest->cmd_defns = src->cmd_defns;
+	dest->flags = src->flags;
+	}
+
+ENGINE *ENGINE_by_id(const char *id)
+	{
+	ENGINE *iterator;
+	char *load_dir = NULL;
+	if(id == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_BY_ID,
+			ERR_R_PASSED_NULL_PARAMETER);
+		return NULL;
+		}
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	iterator = engine_list_head;
+	while(iterator && (strcmp(id, iterator->id) != 0))
+		iterator = iterator->next;
+	if(iterator)
+		{
+		/* We need to return a structural reference. If this is an
+		 * ENGINE type that returns copies, make a duplicate - otherwise
+		 * increment the existing ENGINE's reference count. */
+		if(iterator->flags & ENGINE_FLAGS_BY_ID_COPY)
+			{
+			ENGINE *cp = ENGINE_new();
+			if(!cp)
+				iterator = NULL;
+			else
+				{
+				engine_cpy(cp, iterator);
+				iterator = cp;
+				}
+			}
+		else
+			{
+			iterator->struct_ref++;
+			engine_ref_debug(iterator, 0, 1)
+			}
+		}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+#if 0
+	if(iterator == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_BY_ID,
+			ENGINE_R_NO_SUCH_ENGINE);
+		ERR_add_error_data(2, "id=", id);
+		}
+	return iterator;
+#else
+	/* EEK! Experimental code starts */
+	if(iterator) return iterator;
+	/* Prevent infinite recusrion if we're looking for the dynamic engine. */
+	if (strcmp(id, "dynamic"))
+		{
+#ifdef OPENSSL_SYS_VMS
+		if((load_dir = getenv("OPENSSL_ENGINES")) == 0) load_dir = "SSLROOT:[ENGINES]";
+#else
+		if((load_dir = getenv("OPENSSL_ENGINES")) == 0) load_dir = ENGINESDIR;
+#endif
+		iterator = ENGINE_by_id("dynamic");
+		if(!iterator || !ENGINE_ctrl_cmd_string(iterator, "ID", id, 0) ||
+				!ENGINE_ctrl_cmd_string(iterator, "DIR_LOAD", "2", 0) ||
+				!ENGINE_ctrl_cmd_string(iterator, "DIR_ADD",
+					load_dir, 0) ||
+				!ENGINE_ctrl_cmd_string(iterator, "LIST_ADD", "1", 0) ||
+				!ENGINE_ctrl_cmd_string(iterator, "LOAD", NULL, 0))
+				goto notfound;
+		return iterator;
+		}
+notfound:
+	ENGINE_free(iterator);
+	ENGINEerr(ENGINE_F_ENGINE_BY_ID,ENGINE_R_NO_SUCH_ENGINE);
+	ERR_add_error_data(2, "id=", id);
+	return NULL;
+	/* EEK! Experimental code ends */
+#endif
+	}
+
+int ENGINE_up_ref(ENGINE *e)
+	{
+	if (e == NULL)
+		{
+		ENGINEerr(ENGINE_F_ENGINE_UP_REF,ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+		}
+	CRYPTO_add(&e->struct_ref,1,CRYPTO_LOCK_ENGINE);
+	return 1;
+	}
