70 lines
2.3 KiB
C
70 lines
2.3 KiB
C
#ifndef HEADER_CURL_KEYLOG_H
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#define HEADER_CURL_KEYLOG_H
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/***************************************************************************
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* _ _ ____ _
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* Project ___| | | | _ \| |
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* / __| | | | |_) | |
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* | (__| |_| | _ <| |___
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* \___|\___/|_| \_\_____|
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*
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* Copyright (C) Daniel Stenberg, <daniel@haxx.se>, et al.
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*
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* This software is licensed as described in the file COPYING, which
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* you should have received as part of this distribution. The terms
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* are also available at https://curl.se/docs/copyright.html.
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*
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* You may opt to use, copy, modify, merge, publish, distribute and/or sell
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* copies of the Software, and permit persons to whom the Software is
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* furnished to do so, under the terms of the COPYING file.
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*
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* This software is distributed on an "AS IS" basis, WITHOUT WARRANTY OF ANY
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* KIND, either express or implied.
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*
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* SPDX-License-Identifier: curl
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*
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***************************************************************************/
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#include "../curl_setup.h"
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#define KEYLOG_LABEL_MAXLEN (sizeof("CLIENT_HANDSHAKE_TRAFFIC_SECRET") - 1)
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#define CLIENT_RANDOM_SIZE 32
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/*
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* The master secret in TLS 1.2 and before is always 48 bytes. In TLS 1.3, the
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* secret size depends on the cipher suite's hash function which is 32 bytes
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* for SHA-256 and 48 bytes for SHA-384.
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*/
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#define SECRET_MAXLEN 48
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/*
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* Opens the TLS key log file if requested by the user. The SSLKEYLOGFILE
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* environment variable specifies the output file.
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*/
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void Curl_tls_keylog_open(void);
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/*
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* Closes the TLS key log file if not already.
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*/
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void Curl_tls_keylog_close(void);
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/*
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* Returns true if the user successfully enabled the TLS key log file.
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*/
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bool Curl_tls_keylog_enabled(void);
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/*
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* Appends a key log file entry.
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* Returns true iff the key log file is open and a valid entry was provided.
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*/
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bool Curl_tls_keylog_write(const char *label,
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const unsigned char client_random[32],
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const unsigned char *secret, size_t secretlen);
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/*
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* Appends a line to the key log file, ensure it is terminated by an LF.
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* Returns true iff the key log file is open and a valid line was provided.
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*/
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bool Curl_tls_keylog_write_line(const char *line);
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#endif /* HEADER_CURL_KEYLOG_H */
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