1 files changed, 113 insertions, 0 deletions
diff --git a/lib/mbedtls-2.27.0/include/mbedtls/ssl_cookie.h b/lib/mbedtls-2.27.0/include/mbedtls/ssl_cookie.h
new file mode 100644
index 0000000..0a23870
--- /dev/null
+++ b/lib/mbedtls-2.27.0/include/mbedtls/ssl_cookie.h
@@ -0,0 +1,113 @@
+/**
+ * \file ssl_cookie.h
+ *
+ * \brief DTLS cookie callbacks implementation
+ */
+/*
+ *  Copyright The Mbed TLS Contributors
+ *  SPDX-License-Identifier: Apache-2.0
+ *
+ *  Licensed under the Apache License, Version 2.0 (the "License"); you may
+ *  not use this file except in compliance with the License.
+ *  You may obtain a copy of the License at
+ *
+ *  http://www.apache.org/licenses/LICENSE-2.0
+ *
+ *  Unless required by applicable law or agreed to in writing, software
+ *  distributed under the License is distributed on an "AS IS" BASIS, WITHOUT
+ *  WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
+ *  See the License for the specific language governing permissions and
+ *  limitations under the License.
+ */
+#ifndef MBEDTLS_SSL_COOKIE_H
+#define MBEDTLS_SSL_COOKIE_H
+
+#if !defined(MBEDTLS_CONFIG_FILE)
+#include "mbedtls/config.h"
+#else
+#include MBEDTLS_CONFIG_FILE
+#endif
+
+#include "mbedtls/ssl.h"
+
+#if defined(MBEDTLS_THREADING_C)
+#include "mbedtls/threading.h"
+#endif
+
+/**
+ * \name SECTION: Module settings
+ *
+ * The configuration options you can set for this module are in this section.
+ * Either change them in config.h or define them on the compiler command line.
+ * \{
+ */
+#ifndef MBEDTLS_SSL_COOKIE_TIMEOUT
+#define MBEDTLS_SSL_COOKIE_TIMEOUT     60 /**< Default expiration delay of DTLS cookies, in seconds if HAVE_TIME, or in number of cookies issued */
+#endif
+
+/* \} name SECTION: Module settings */
+
+#ifdef __cplusplus
+extern "C" {
+#endif
+
+/**
+ * \brief          Context for the default cookie functions.
+ */
+typedef struct mbedtls_ssl_cookie_ctx
+{
+    mbedtls_md_context_t    hmac_ctx;   /*!< context for the HMAC portion   */
+#if !defined(MBEDTLS_HAVE_TIME)
+    unsigned long   serial;     /*!< serial number for expiration   */
+#endif
+    unsigned long   timeout;    /*!< timeout delay, in seconds if HAVE_TIME,
+                                     or in number of tickets issued */
+
+#if defined(MBEDTLS_THREADING_C)
+    mbedtls_threading_mutex_t mutex;
+#endif
+} mbedtls_ssl_cookie_ctx;
+
+/**
+ * \brief          Initialize cookie context
+ */
+void mbedtls_ssl_cookie_init( mbedtls_ssl_cookie_ctx *ctx );
+
+/**
+ * \brief          Setup cookie context (generate keys)
+ */
+int mbedtls_ssl_cookie_setup( mbedtls_ssl_cookie_ctx *ctx,
+                      int (*f_rng)(void *, unsigned char *, size_t),
+                      void *p_rng );
+
+/**
+ * \brief          Set expiration delay for cookies
+ *                 (Default MBEDTLS_SSL_COOKIE_TIMEOUT)
+ *
+ * \param ctx      Cookie contex
+ * \param delay    Delay, in seconds if HAVE_TIME, or in number of cookies
+ *                 issued in the meantime.
+ *                 0 to disable expiration (NOT recommended)
+ */
+void mbedtls_ssl_cookie_set_timeout( mbedtls_ssl_cookie_ctx *ctx, unsigned long delay );
+
+/**
+ * \brief          Free cookie context
+ */
+void mbedtls_ssl_cookie_free( mbedtls_ssl_cookie_ctx *ctx );
+
+/**
+ * \brief          Generate cookie, see \c mbedtls_ssl_cookie_write_t
+ */
+mbedtls_ssl_cookie_write_t mbedtls_ssl_cookie_write;
+
+/**
+ * \brief          Verify cookie, see \c mbedtls_ssl_cookie_write_t
+ */
+mbedtls_ssl_cookie_check_t mbedtls_ssl_cookie_check;
+
+#ifdef __cplusplus
+}
+#endif
+
+#endif /* ssl_cookie.h */