openssl: Move to a module and split thirdparty lib

Same rationale as the previous commits.

1 files changed, 405 insertions, 0 deletions

diff --git a/thirdparty/openssl/crypto/engine/eng_list.c b/thirdparty/openssl/crypto/engine/eng_list.c
new file mode 100644
index 0000000000..83c95d56f4
--- /dev/null
+++ b/thirdparty/openssl/crypto/engine/eng_list.c
@@ -0,0 +1,405 @@
+/* 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);
+        return 0;
+    }
+    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;
+}