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77fac5ed24
The initial implementation of gnutls_aead_cipher_decrypt() had a bug and
used:
*ptext_len = ctext_len;
instead of:
*ptext_len = ctext_len - tag_size;
This got fixed with gnutls 3.5.2.
As we only require gnutls 3.4.7 we need to cope with this...
BUG: https://bugzilla.samba.org/show_bug.cgi?id=14968
Signed-off-by: Stefan Metzmacher <metze@samba.org>
Reviewed-by: Andreas Schneider <asn@samba.org>
Autobuild-User(master): Stefan Metzmacher <metze@samba.org>
Autobuild-Date(master): Wed Feb 2 18:29:08 UTC 2022 on sn-devel-184
(cherry picked from commit 735f3d7dde)
Autobuild-User(v4-14-test): Jule Anger <janger@samba.org>
Autobuild-Date(v4-14-test): Mon Feb 14 10:34:10 UTC 2022 on sn-devel-184
54 lines
1.9 KiB
Plaintext
54 lines
1.9 KiB
Plaintext
from waflib import Options
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def parse_version(v):
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return tuple(map(int, (v.split("."))))
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gnutls_min_required_version = "3.4.7"
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gnutls_required_version = gnutls_min_required_version
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conf.CHECK_CFG(package='gnutls',
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args=('"gnutls >= %s" --cflags --libs' % gnutls_required_version),
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msg='Checking for GnuTLS >= %s' % gnutls_required_version,
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mandatory=True)
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gnutls_version = conf.cmd_and_log(conf.env.PKGCONFIG + ['--modversion', 'gnutls']).strip()
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# Define gnutls as a system library
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conf.SET_TARGET_TYPE('gnutls', 'SYSLIB')
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# Check for gnutls_pkcs7_get_embedded_data_oid (>= 3.5.5) required by libmscat
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conf.CHECK_FUNCS_IN('gnutls_pkcs7_get_embedded_data_oid', 'gnutls')
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# Check for gnutls_set_default_priority_append (>= 3.6.3)
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conf.CHECK_FUNCS_IN('gnutls_set_default_priority_append', 'gnutls')
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# Check for gnutls_aead_cipher_encryptv2
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#
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# This is available since version 3.6.10, but 3.6.10 has a bug which got fixed
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# in 3.6.11, see:
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#
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# https://gitlab.com/gnutls/gnutls/-/merge_requests/1085
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#
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# 3.6.10 - 3.6.14 have a severe memory leak with AES-CCM
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# https://gitlab.com/gnutls/gnutls/-/merge_requests/1278
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if (parse_version(gnutls_version) > parse_version('3.6.14')):
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conf.CHECK_FUNCS_IN('gnutls_aead_cipher_encryptv2', 'gnutls')
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if (parse_version(gnutls_version) < parse_version('3.5.2')):
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conf.DEFINE('HAVE_GNUTLS_AEAD_CIPHER_DECRYPT_PTEXT_LEN_BUG', 1)
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# Check if we have support for crypto policies
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if conf.CHECK_FUNCS_IN('gnutls_get_system_config_file', 'gnutls'):
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conf.DEFINE('HAVE_GNUTLS_CRYPTO_POLICIES', 1)
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if conf.CHECK_VALUEOF('GNUTLS_CIPHER_AES_128_CFB8', headers='gnutls/gnutls.h'):
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conf.DEFINE('HAVE_GNUTLS_AES_CFB8', 1)
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else:
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Logs.warn('No gnutls support for AES CFB8')
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if conf.CHECK_VALUEOF('GNUTLS_MAC_AES_CMAC_128', headers='gnutls/gnutls.h'):
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conf.DEFINE('HAVE_GNUTLS_AES_CMAC', 1)
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else:
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Logs.warn('No gnutls support for AES CMAC')
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