early-access version 1255

externals/libressl/crypto/engine/eng_pkey.c

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+/* $OpenBSD: eng_pkey.c,v 1.7 2017/01/29 17:49:23 beck Exp $ */
+/* ====================================================================
+ * 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).
+ *
+ */
+
+#include <openssl/err.h>
+
+#include "eng_int.h"
+
+/* Basic get/set stuff */
+
+int
+ENGINE_set_load_privkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpriv_f)
+{
+	e->load_privkey = loadpriv_f;
+	return 1;
+}
+
+int
+ENGINE_set_load_pubkey_function(ENGINE *e, ENGINE_LOAD_KEY_PTR loadpub_f)
+{
+	e->load_pubkey = loadpub_f;
+	return 1;
+}
+
+int
+ENGINE_set_load_ssl_client_cert_function(ENGINE *e,
+    ENGINE_SSL_CLIENT_CERT_PTR loadssl_f)
+{
+	e->load_ssl_client_cert = loadssl_f;
+	return 1;
+}
+
+ENGINE_LOAD_KEY_PTR
+ENGINE_get_load_privkey_function(const ENGINE *e)
+{
+	return e->load_privkey;
+}
+
+ENGINE_LOAD_KEY_PTR
+ENGINE_get_load_pubkey_function(const ENGINE *e)
+{
+	return e->load_pubkey;
+}
+
+ENGINE_SSL_CLIENT_CERT_PTR
+ENGINE_get_ssl_client_cert_function(const ENGINE *e)
+{
+	return e->load_ssl_client_cert;
+}
+
+/* API functions to load public/private keys */
+
+EVP_PKEY *
+ENGINE_load_private_key(ENGINE *e, const char *key_id, UI_METHOD *ui_method,
+    void *callback_data)
+{
+	EVP_PKEY *pkey;
+
+	if (e == NULL) {
+		ENGINEerror(ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+	}
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	if (e->funct_ref == 0) {
+		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+		ENGINEerror(ENGINE_R_NOT_INITIALISED);
+		return 0;
+	}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	if (!e->load_privkey) {
+		ENGINEerror(ENGINE_R_NO_LOAD_FUNCTION);
+		return 0;
+	}
+	pkey = e->load_privkey(e, key_id, ui_method, callback_data);
+	if (!pkey) {
+		ENGINEerror(ENGINE_R_FAILED_LOADING_PRIVATE_KEY);
+		return 0;
+	}
+	return pkey;
+}
+
+EVP_PKEY *
+ENGINE_load_public_key(ENGINE *e, const char *key_id, UI_METHOD *ui_method,
+    void *callback_data)
+{
+	EVP_PKEY *pkey;
+
+	if (e == NULL) {
+		ENGINEerror(ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+	}
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	if (e->funct_ref == 0) {
+		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+		ENGINEerror(ENGINE_R_NOT_INITIALISED);
+		return 0;
+	}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	if (!e->load_pubkey) {
+		ENGINEerror(ENGINE_R_NO_LOAD_FUNCTION);
+		return 0;
+	}
+	pkey = e->load_pubkey(e, key_id, ui_method, callback_data);
+	if (!pkey) {
+		ENGINEerror(ENGINE_R_FAILED_LOADING_PUBLIC_KEY);
+		return 0;
+	}
+	return pkey;
+}
+
+int
+ENGINE_load_ssl_client_cert(ENGINE *e, SSL *s, STACK_OF(X509_NAME) *ca_dn,
+    X509 **pcert, EVP_PKEY **ppkey, STACK_OF(X509) **pother,
+    UI_METHOD *ui_method, void *callback_data)
+{
+	if (e == NULL) {
+		ENGINEerror(ERR_R_PASSED_NULL_PARAMETER);
+		return 0;
+	}
+	CRYPTO_w_lock(CRYPTO_LOCK_ENGINE);
+	if (e->funct_ref == 0) {
+		CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+		ENGINEerror(ENGINE_R_NOT_INITIALISED);
+		return 0;
+	}
+	CRYPTO_w_unlock(CRYPTO_LOCK_ENGINE);
+	if (!e->load_ssl_client_cert) {
+		ENGINEerror(ENGINE_R_NO_LOAD_FUNCTION);
+		return 0;
+	}
+	return e->load_ssl_client_cert(e, s, ca_dn, pcert, ppkey, pother,
+	    ui_method, callback_data);
+}