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_ */