forked from etc/pineapple-src
83 lines
2.9 KiB
C
Executable file
83 lines
2.9 KiB
C
Executable file
/* $OpenBSD: tls_internal.h,v 1.5 2022/01/11 18:28:41 jsing Exp $ */
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/*
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* Copyright (c) 2018, 2019, 2021 Joel Sing <jsing@openbsd.org>
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*
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* Permission to use, copy, modify, and distribute this software for any
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* purpose with or without fee is hereby granted, provided that the above
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* copyright notice and this permission notice appear in all copies.
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*
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* THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
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* WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
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* MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
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* ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
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* WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
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* ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
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* OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
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*/
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#ifndef HEADER_TLS_INTERNAL_H
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#define HEADER_TLS_INTERNAL_H
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#include <openssl/dh.h>
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#include <openssl/evp.h>
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#include "bytestring.h"
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__BEGIN_HIDDEN_DECLS
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#define TLS_IO_SUCCESS 1
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#define TLS_IO_EOF 0
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#define TLS_IO_FAILURE -1
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#define TLS_IO_ALERT -2
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#define TLS_IO_WANT_POLLIN -3
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#define TLS_IO_WANT_POLLOUT -4
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#define TLS_IO_WANT_RETRY -5 /* Retry the previous call immediately. */
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/*
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* Callbacks.
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*/
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typedef ssize_t (*tls_read_cb)(void *_buf, size_t _buflen, void *_cb_arg);
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typedef ssize_t (*tls_write_cb)(const void *_buf, size_t _buflen,
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void *_cb_arg);
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typedef ssize_t (*tls_flush_cb)(void *_cb_arg);
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/*
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* Buffers.
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*/
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struct tls_buffer;
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struct tls_buffer *tls_buffer_new(size_t init_size);
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int tls_buffer_set_data(struct tls_buffer *buf, CBS *data);
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void tls_buffer_free(struct tls_buffer *buf);
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ssize_t tls_buffer_extend(struct tls_buffer *buf, size_t len,
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tls_read_cb read_cb, void *cb_arg);
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void tls_buffer_cbs(struct tls_buffer *buf, CBS *cbs);
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int tls_buffer_finish(struct tls_buffer *buf, uint8_t **out, size_t *out_len);
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/*
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* Key shares.
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*/
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struct tls_key_share;
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struct tls_key_share *tls_key_share_new(uint16_t group_id);
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struct tls_key_share *tls_key_share_new_nid(int nid);
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void tls_key_share_free(struct tls_key_share *ks);
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uint16_t tls_key_share_group(struct tls_key_share *ks);
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int tls_key_share_nid(struct tls_key_share *ks);
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void tls_key_share_set_key_bits(struct tls_key_share *ks, size_t key_bits);
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int tls_key_share_set_dh_params(struct tls_key_share *ks, DH *dh_params);
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int tls_key_share_peer_pkey(struct tls_key_share *ks, EVP_PKEY *pkey);
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int tls_key_share_generate(struct tls_key_share *ks);
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int tls_key_share_params(struct tls_key_share *ks, CBB *cbb);
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int tls_key_share_public(struct tls_key_share *ks, CBB *cbb);
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int tls_key_share_peer_params(struct tls_key_share *ks, CBS *cbs,
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int *decode_error, int *invalid_params);
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int tls_key_share_peer_public(struct tls_key_share *ks, CBS *cbs,
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int *decode_error, int *invalid_key);
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int tls_key_share_derive(struct tls_key_share *ks, uint8_t **shared_key,
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size_t *shared_key_len);
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__END_HIDDEN_DECLS
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#endif
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