#14371: Add opensll to main repository
diff --git a/jni/openssl/crypto/engine/eng_list.c b/jni/openssl/crypto/engine/eng_list.c
new file mode 100644
index 0000000..27846ed
--- /dev/null
+++ b/jni/openssl/crypto/engine/eng_list.c
@@ -0,0 +1,433 @@
+/* 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, "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;
+ }