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Make it easier to define MBEDTLS_PARAM_FAILED as assert

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Introduce a new configuration option MBEDTLS_CHECK_PARAMS_ASSERT,
which is disabled by default. When this option is enabled,
MBEDTLS_PARAM_FAILED defaults to assert rather than to a call to
mbedtls_param_failed, and <assert.h> is included.

This fixes #2671 (no easy way to make MBEDTLS_PARAM_FAILED assert)
without breaking backward compatibility. With this change,
`config.pl full` runs tests with MBEDTLS_PARAM_FAILED set to assert,
so the tests will fail if a validation check fails, and programs don't
need to provide their own definition of mbedtls_param_failed().
This commit is contained in:
Gilles Peskine
2019-06-13 16:44:19 +02:00
parent e7655df7be
commit c7ad122f51
5 changed files with 73 additions and 19 deletions
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3
library/version_features.c
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@ -90,6 +90,9 @@ static const char *features[] = {
#if defined(MBEDTLS_CHECK_PARAMS)
"MBEDTLS_CHECK_PARAMS",
#endif /* MBEDTLS_CHECK_PARAMS */
#if defined(MBEDTLS_CHECK_PARAMS_ASSERT)
"MBEDTLS_CHECK_PARAMS_ASSERT",
#endif /* MBEDTLS_CHECK_PARAMS_ASSERT */
#if defined(MBEDTLS_TIMING_ALT)
"MBEDTLS_TIMING_ALT",
#endif /* MBEDTLS_TIMING_ALT */