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b077aed33b
Migrate to OpenSSL 3.0 in advance of FreeBSD 14.0. OpenSSL 1.1.1 (the version we were previously using) will be EOL as of 2023-09-11. Most of the base system has already been updated for a seamless switch to OpenSSL 3.0. For many components we've added `-DOPENSSL_API_COMPAT=0x10100000L` to CFLAGS to specify the API version, which avoids deprecation warnings from OpenSSL 3.0. Changes have also been made to avoid OpenSSL APIs that were already deprecated in OpenSSL 1.1.1. The process of updating to contemporary APIs can continue after this merge. Additional changes are still required for libarchive and Kerberos- related libraries or tools; workarounds will immediately follow this commit. Fixes are in progress in the upstream projects and will be incorporated when those are next updated. There are some performance regressions in benchmarks (certain tests in `openssl speed`) and in some OpenSSL consumers in ports (e.g. haproxy). Investigation will continue for these. Netflix's testing showed no functional regression and a rather small, albeit statistically significant, increase in CPU consumption with OpenSSL 3.0. Thanks to ngie@ and des@ for updating base system components, to antoine@ and bofh@ for ports exp-runs and port fixes/workarounds, and to Netflix and everyone who tested prior to commit or contributed to this update in other ways. PR: 271615 PR: 271656 [exp-run] Relnotes: Yes Sponsored by: The FreeBSD Foundation
51 lines
1.8 KiB
C
51 lines
1.8 KiB
C
/*
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* Copyright 2019-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifndef OSSL_INTERNAL_ENDIAN_H
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# define OSSL_INTERNAL_ENDIAN_H
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# pragma once
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/*
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* IS_LITTLE_ENDIAN and IS_BIG_ENDIAN can be used to detect the endiannes
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* at compile time. To use it, DECLARE_IS_ENDIAN must be used to declare
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* a variable.
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*
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* L_ENDIAN and B_ENDIAN can be used at preprocessor time. They can be set
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* in the configarion using the lib_cppflags variable. If neither is
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* set, it will fall back to code works with either endianness.
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*/
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# if defined(__BYTE_ORDER__) && defined(__ORDER_LITTLE_ENDIAN__)
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# define DECLARE_IS_ENDIAN const int ossl_is_little_endian = __BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__
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# define IS_LITTLE_ENDIAN (ossl_is_little_endian)
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# define IS_BIG_ENDIAN (!ossl_is_little_endian)
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# if defined(L_ENDIAN) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__)
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# error "L_ENDIAN defined on a big endian machine"
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# endif
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# if defined(B_ENDIAN) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
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# error "B_ENDIAN defined on a little endian machine"
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# endif
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# if !defined(L_ENDIAN) && (__BYTE_ORDER__ == __ORDER_LITTLE_ENDIAN__)
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# define L_ENDIAN
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# endif
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# if !defined(B_ENDIAN) && (__BYTE_ORDER__ != __ORDER_LITTLE_ENDIAN__)
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# define B_ENDIAN
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# endif
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# else
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# define DECLARE_IS_ENDIAN \
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const union { \
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long one; \
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char little; \
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} ossl_is_endian = { 1 }
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# define IS_LITTLE_ENDIAN (ossl_is_endian.little != 0)
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# define IS_BIG_ENDIAN (ossl_is_endian.little == 0)
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# endif
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#endif
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