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/* Copyright (c) 2001, Matej Pfajfar.
* Copyright (c) 2001-2004, Roger Dingledine.
* Copyright (c) 2004-2006, Roger Dingledine, Nick Mathewson.
* Copyright (c) 2007-2021, The Tor Project, Inc. */
/* See LICENSE for licensing information */
/**
* \file crypto_openssl_mgt.h
*
* \brief Headers for crypto_openssl_mgt.c
**/
#ifndef TOR_CRYPTO_OPENSSL_H
#define TOR_CRYPTO_OPENSSL_H
#include "orconfig.h"
#ifdef ENABLE_OPENSSL
#include <openssl/opensslv.h>
/*
Macro to create an arbitrary OpenSSL version number as used by
OPENSSL_VERSION_NUMBER or SSLeay(), since the actual numbers are a bit hard
to read.
Don't use this directly, instead use one of the other OPENSSL_V macros
below.
The format is: 4 bits major, 8 bits minor, 8 bits fix, 8 bits patch, 4 bit
status.
*/
#define OPENSSL_VER(a,b,c,d,e) \
(((a)<<28) | \
((b)<<20) | \
((c)<<12) | \
((d)<< 4) | \
(e))
/** An openssl release number. For example, OPENSSL_V(0,9,8,'j') is the
* version for the released version of 0.9.8j */
#define OPENSSL_V(a,b,c,d) \
OPENSSL_VER((a),(b),(c),(d)-'a'+1,0xf)
/** An openssl release number for the first release in the series. For
* example, OPENSSL_V_NOPATCH(1,0,0) is the first released version of OpenSSL
* 1.0.0. */
#define OPENSSL_V_NOPATCH(a,b,c) \
OPENSSL_VER((a),(b),(c),0,0xf)
/** The first version that would occur for any alpha or beta in an openssl
* series. For example, OPENSSL_V_SERIES(0,9,8) is greater than any released
* 0.9.7, and less than any released 0.9.8. */
#define OPENSSL_V_SERIES(a,b,c) \
OPENSSL_VER((a),(b),(c),0,0)
#if OPENSSL_VERSION_NUMBER >= OPENSSL_VER(1,1,0,0,5)
/* OpenSSL as of 1.1.0pre4 has an "new" thread API, which doesn't require
* setting up various callbacks.
*
* OpenSSL 1.1.0pre4 has a messed up `ERR_remove_thread_state()` prototype,
* while the previous one was restored in pre5, and the function made a no-op
* (along with a deprecated annotation, which produces a compiler warning).
*
* While it is possible to support all three versions of the thread API,
* a version that existed only for one snapshot pre-release is kind of
* pointless, so let's not.
*/
#define NEW_THREAD_API
#endif /* OPENSSL_VERSION_NUMBER >= OPENSSL_VER(1,1,0,0,5) && ... */
void crypto_openssl_log_errors(int severity, const char *doing);
/* global openssl state */
const char * crypto_openssl_get_version_str(void);
const char * crypto_openssl_get_header_version_str(void);
void crypto_openssl_early_init(void);
int crypto_openssl_late_init(int useAccel, const char *accelName,
const char *accelDir);
void crypto_openssl_thread_cleanup(void);
void crypto_openssl_global_cleanup(void);
#endif /* defined(ENABLE_OPENSSL) */
#endif /* !defined(TOR_CRYPTO_OPENSSL_H) */
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