crypto/libressl/ssl/tls_content.h

   1 /* $OpenBSD: tls_content.h,v 1.1 2021/09/04 16:26:12 jsing Exp $ */
   2 /*
   3  * Copyright (c) 2020 Joel Sing <jsing@openbsd.org>
   4  *
   5  * Permission to use, copy, modify, and distribute this software for any
   6  * purpose with or without fee is hereby granted, provided that the above
   7  * copyright notice and this permission notice appear in all copies.
   8  *
   9  * THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
  10  * WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
  11  * MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
  12  * ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
  13  * WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
  14  * ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
  15  * OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
  16  */
  17
  18 #ifndef HEADER_TLS_CONTENT_H
  19 #define HEADER_TLS_CONTENT_H
  20
  21 #include "bytestring.h"
  22
  23 __BEGIN_HIDDEN_DECLS
  24
  25 struct tls_content;
  26
  27 struct tls_content *tls_content_new(void);
  28 void tls_content_clear(struct tls_content *content);
  29 void tls_content_free(struct tls_content *content);
  30
  31 CBS *tls_content_cbs(struct tls_content *content);
  32 int tls_content_equal(struct tls_content *content, const uint8_t *buf, size_t n);
  33 size_t tls_content_remaining(struct tls_content *content);
  34 uint8_t tls_content_type(struct tls_content *content);
  35 uint16_t tls_content_epoch(struct tls_content *content);
  36
  37 int tls_content_dup_data(struct tls_content *content, uint8_t type,
  38     const uint8_t *data, size_t data_len);
  39 void tls_content_set_data(struct tls_content *content, uint8_t type,
  40     const uint8_t *data, size_t data_len);
  41 void tls_content_set_epoch(struct tls_content *content, uint16_t epoch);
  42
  43 ssize_t tls_content_peek(struct tls_content *content, uint8_t *buf, size_t n);
  44 ssize_t tls_content_read(struct tls_content *content, uint8_t *buf, size_t n);
  45
  46 __END_HIDDEN_DECLS
  47
  48 #endif