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Automatically generate checkers for removed options

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Read the list of historical config options in 3.6, compare that to 1.0/4.0
and emit the appropriate checkers.

Signed-off-by: Gilles Peskine <Gilles.Peskine@arm.com>
This commit is contained in:
Gilles Peskine
2025-09-15 15:27:20 +02:00
parent 24273c06db
commit 8e44a94d39
2 changed files with 25 additions and 8 deletions
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29
scripts/generate_config_checks.py
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@@ -3,9 +3,12 @@
"""Generate C preprocessor code to check for bad configurations.
"""
from typing import Iterator
import framework_scripts_path # pylint: disable=unused-import
from mbedtls_framework.config_checks_generator import * \
#pylint: disable=wildcard-import,unused-wildcard-import
from mbedtls_framework import config_history
class CryptoInternal(SubprojectInternal):
SUBPROJECT = 'TF-PSA-Crypto'
@@ -13,16 +16,30 @@ class CryptoInternal(SubprojectInternal):
class CryptoOption(SubprojectOption):
SUBPROJECT = 'psa/crypto_config.h'
def checkers_for_removed_options() -> Iterator[Checker]:
"""Discover removed options. Yield corresponding checkers."""
history = config_history.ConfigHistory()
old_public = history.options('mbedtls', '3.6')
new_public = history.options('mbedtls', '4.0')
crypto_public = history.options('tfpsacrypto', '1.0')
crypto_internal = history.internal('tfpsacrypto', '1.0')
for option in sorted(old_public - new_public):
if option in crypto_public:
yield CryptoOption(option)
elif option in crypto_internal:
yield CryptoInternal(option)
else:
yield Removed(option, 'Mbed TLS 4.0')
def all_checkers() -> Iterator[Checker]:
"""Yield all checkers."""
yield from checkers_for_removed_options()
MBEDTLS_CHECKS = BranchData(
header_directory='library',
header_prefix='mbedtls_',
project_cpp_prefix='MBEDTLS',
checkers=[
CryptoInternal('MBEDTLS_MD5_C', 'PSA_WANT_ALG_MD5 in psa/crypto_config.h'),
CryptoOption('MBEDTLS_BASE64_C'),
Removed('MBEDTLS_KEY_EXCHANGE_RSA_ENABLED', 'Mbed TLS 4.0'),
Removed('MBEDTLS_PADLOCK_C', 'Mbed TLS 4.0'),
],
checkers=list(all_checkers()),
)
if __name__ == '__main__':