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Some projects using Mbed TLS have migrated their configuration file (config.h -> mbedtls_config.h, or MBEDTLS_CONFIG_FILE) from Mbed TLS 2.x, and kept including check_config.h. This is unnecessary since Mbed TLS 3.0, and increasingly in 3.x it may report spurious errors because the configuration adjustments have not been done yet. This has led some projects to include configuration adjustment headers manually, but only partially or in the wrong order, which can result in silent inconsistencies. Error out if this happens, with a message mentioning check_config.h since that's the likely root cause. ``` perl -i -pe '$name = $ARGV; $name =~ s!include/!!; $name =~ s!_adjust_.*!_adjust_*.h!; $_ .= "\n#if !defined(MBEDTLS_CONFIG_FILES_READ)\n#error \"Do not include $name manually! This can lead to problems, \" \\\n \"up to and including runtime errors such as buffer overflows. \" \\\n \"If you're trying to fix a complaint from check_config.h, just remove it \" \\\n \"from your configuration file: since Mbed TLS 3.0, it is included \" \\\n \"automatically at the right time.\"\n#endif /* !MBEDTLS_CONFIG_FILES_READ */\n" if /^#define .*_H$/' include/*/*adjust*.h ``` Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
32 lines
1.1 KiB
C
32 lines
1.1 KiB
C
/**
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* \file psa/crypto_adjust_auto_enabled.h
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* \brief Adjust PSA configuration: enable always-on features
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*
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* This is an internal header. Do not include it directly.
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*
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* Always enable certain features which require a negligible amount of code
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* to implement, to avoid some edge cases in the configuration combinatorics.
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*/
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/*
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* Copyright The Mbed TLS Contributors
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* SPDX-License-Identifier: Apache-2.0 OR GPL-2.0-or-later
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*/
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#ifndef PSA_CRYPTO_ADJUST_AUTO_ENABLED_H
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#define PSA_CRYPTO_ADJUST_AUTO_ENABLED_H
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#if !defined(MBEDTLS_CONFIG_FILES_READ)
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#error "Do not include psa/crypto_adjust_*.h manually! This can lead to problems, " \
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"up to and including runtime errors such as buffer overflows. " \
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"If you're trying to fix a complaint from check_config.h, just remove " \
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"it from your configuration file: since Mbed TLS 3.0, it is included " \
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"automatically at the right time."
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#endif /* */
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#define PSA_WANT_KEY_TYPE_DERIVE 1
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#define PSA_WANT_KEY_TYPE_PASSWORD 1
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#define PSA_WANT_KEY_TYPE_PASSWORD_HASH 1
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#define PSA_WANT_KEY_TYPE_RAW_DATA 1
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#endif /* PSA_CRYPTO_ADJUST_AUTO_ENABLED_H */
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