AuroraMiddleware/mbedtls
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Remove peer CRT from cache if !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE

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This commit is contained in:
Hanno Becker 2019-02-06 15:57:49 +00:00
parent c966bd16be
commit a887d1a5b6
2 changed files with 14 additions and 9 deletions
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3
include/mbedtls/ssl_cache.h
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@ -70,7 +70,8 @@ struct mbedtls_ssl_cache_entry
mbedtls_time_t timestamp; /*!< entry timestamp */
#endif
mbedtls_ssl_session session; /*!< entry session */
#if defined(MBEDTLS_X509_CRT_PARSE_C)
#if defined(MBEDTLS_X509_CRT_PARSE_C) && \
defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
mbedtls_x509_buf peer_cert; /*!< entry peer_cert */
#endif
mbedtls_ssl_cache_entry *next; /*!< chain pointer */

20
library/ssl_cache.c
View File

@ -100,7 +100,8 @@ int mbedtls_ssl_cache_get( void *data, mbedtls_ssl_session *session )
goto exit;
}
#if defined(MBEDTLS_X509_CRT_PARSE_C)
#if defined(MBEDTLS_X509_CRT_PARSE_C) && \
defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
/*
* Restore peer certificate (without rest of the original chain)
*/
@ -127,7 +128,7 @@ int mbedtls_ssl_cache_get( void *data, mbedtls_ssl_session *session )
goto exit;
}
}
#endif /* MBEDTLS_X509_CRT_PARSE_C */
#endif /* MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
ret = 0;
goto exit;
@ -247,7 +248,8 @@ int mbedtls_ssl_cache_set( void *data, const mbedtls_ssl_session *session )
#endif
}
#if defined(MBEDTLS_X509_CRT_PARSE_C)
#if defined(MBEDTLS_X509_CRT_PARSE_C) && \
defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
/*
* If we're reusing an entry, free its certificate first
*/
@ -256,7 +258,7 @@ int mbedtls_ssl_cache_set( void *data, const mbedtls_ssl_session *session )
mbedtls_free( cur->peer_cert.p );
memset( &cur->peer_cert, 0, sizeof(mbedtls_x509_buf) );
}
#endif /* MBEDTLS_X509_CRT_PARSE_C */
#endif /* MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
/* Copy the entire session; this temporarily makes a copy of the
* X.509 CRT structure even though we only want to store the raw CRT.
@ -270,7 +272,8 @@ int mbedtls_ssl_cache_set( void *data, const mbedtls_ssl_session *session )
goto exit;
}
#if defined(MBEDTLS_X509_CRT_PARSE_C)
#if defined(MBEDTLS_X509_CRT_PARSE_C) && \
defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
/* If present, free the X.509 structure and only store the raw CRT data. */
if( cur->session.peer_cert != NULL )
{
@ -291,7 +294,7 @@ int mbedtls_ssl_cache_set( void *data, const mbedtls_ssl_session *session )
mbedtls_free( cur->session.peer_cert );
cur->session.peer_cert = NULL;
}
#endif /* MBEDTLS_X509_CRT_PARSE_C */
#endif /* MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
ret = 0;
@ -333,9 +336,10 @@ void mbedtls_ssl_cache_free( mbedtls_ssl_cache_context *cache )
mbedtls_ssl_session_free( &prv->session );
#if defined(MBEDTLS_X509_CRT_PARSE_C)
#if defined(MBEDTLS_X509_CRT_PARSE_C) && \
defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
mbedtls_free( prv->peer_cert.p );
#endif /* MBEDTLS_X509_CRT_PARSE_C */
#endif /* MBEDTLS_X509_CRT_PARSE_C && MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
mbedtls_free( prv );
}