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authorAlberto Gonzalez Iniesta <agi@inittab.org>2016-11-21 09:37:33 +0100
committerAlberto Gonzalez Iniesta <agi@inittab.org>2016-11-21 09:37:33 +0100
commit20c8675ba46bda97330a4117c459a59a9f1c465e (patch)
treed888c714fb61947dd79dc44b64a4aaae2f70bfb7 /src/openvpn/ssl_mbedtls.h
parentffca24bed7a03d95585ad02278667abe75d8b272 (diff)
New upstream version 2.4~beta1upstream/2.4_beta1
Diffstat (limited to 'src/openvpn/ssl_mbedtls.h')
-rw-r--r--src/openvpn/ssl_mbedtls.h93
1 files changed, 93 insertions, 0 deletions
diff --git a/src/openvpn/ssl_mbedtls.h b/src/openvpn/ssl_mbedtls.h
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+++ b/src/openvpn/ssl_mbedtls.h
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+/*
+ * OpenVPN -- An application to securely tunnel IP networks
+ * over a single TCP/UDP port, with support for SSL/TLS-based
+ * session authentication and key exchange,
+ * packet encryption, packet authentication, and
+ * packet compression.
+ *
+ * Copyright (C) 2002-2010 OpenVPN Technologies, Inc. <sales@openvpn.net>
+ * Copyright (C) 2010 Fox Crypto B.V. <openvpn@fox-it.com>
+ *
+ * This program is free software; you can redistribute it and/or modify
+ * it under the terms of the GNU General Public License version 2
+ * as published by the Free Software Foundation.
+ *
+ * This program is distributed in the hope that it will be useful,
+ * but WITHOUT ANY WARRANTY; without even the implied warranty of
+ * MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
+ * GNU General Public License for more details.
+ *
+ * You should have received a copy of the GNU General Public License
+ * along with this program (see the file COPYING included with this
+ * distribution); if not, write to the Free Software Foundation, Inc.,
+ * 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA
+ */
+
+/**
+ * @file Control Channel mbed TLS Backend
+ */
+
+#ifndef SSL_MBEDTLS_H_
+#define SSL_MBEDTLS_H_
+
+#include "syshead.h"
+
+#include <mbedtls/ssl.h>
+#include <mbedtls/x509_crt.h>
+
+#if defined(ENABLE_PKCS11)
+#include <mbedtls/pkcs11.h>
+#endif
+
+typedef struct _buffer_entry buffer_entry;
+
+struct _buffer_entry {
+ size_t length;
+ uint8_t *data;
+ buffer_entry *next_block;
+};
+
+typedef struct {
+ size_t data_start;
+ buffer_entry *first_block;
+ buffer_entry *last_block;
+} endless_buffer;
+
+typedef struct {
+ endless_buffer in;
+ endless_buffer out;
+} bio_ctx;
+
+/**
+ * Structure that wraps the TLS context. Contents differ depending on the
+ * SSL library used.
+ *
+ * Either \c priv_key_pkcs11 or \c priv_key must be filled in.
+ */
+struct tls_root_ctx {
+ bool initialised; /**< True if the context has been initialised */
+
+ int endpoint; /**< Whether or not this is a server or a client */
+
+ mbedtls_dhm_context *dhm_ctx; /**< Diffie-Helmann-Merkle context */
+ mbedtls_x509_crt *crt_chain; /**< Local Certificate chain */
+ mbedtls_x509_crt *ca_chain; /**< CA chain for remote verification */
+ mbedtls_pk_context *priv_key; /**< Local private key */
+ mbedtls_x509_crl *crl; /**< Certificate Revocation List */
+#if defined(ENABLE_PKCS11)
+ mbedtls_pkcs11_context *priv_key_pkcs11; /**< PKCS11 private key */
+#endif
+#ifdef MANAGMENT_EXTERNAL_KEY
+ struct external_context *external_key; /**< Management external key */
+#endif
+ int * allowed_ciphers; /**< List of allowed ciphers for this connection */
+};
+
+struct key_state_ssl {
+ mbedtls_ssl_config ssl_config; /**< mbedTLS global ssl config */
+ mbedtls_ssl_context *ctx; /**< mbedTLS connection context */
+ bio_ctx bio_ctx;
+};
+
+
+#endif /* SSL_MBEDTLS_H_ */