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Make use of acquire/release in ssl_parse_server_key_exchange()

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This commit is contained in:
Hanno Becker 2019-02-28 14:03:46 +00:00
parent 39ae65cf73
commit 2fefa4845d
1 changed files with 21 additions and 2 deletions
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23
library/ssl_cli.c
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@ -2817,7 +2817,15 @@ start_processing:
MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
}
peer_pk = &ssl->session_negotiate->peer_cert->pk;
ret = mbedtls_x509_crt_pk_acquire( ssl->session_negotiate->peer_cert,
&peer_pk );
if( ret != 0 )
{
/* Should never happen */
MBEDTLS_SSL_DEBUG_MSG( 1, ( "should never happen" ) );
return( MBEDTLS_ERR_SSL_INTERNAL_ERROR );
}
#endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
/*
@ -2828,6 +2836,10 @@ start_processing:
MBEDTLS_SSL_DEBUG_MSG( 1, ( "bad server key exchange message" ) );
mbedtls_ssl_send_alert_message( ssl, MBEDTLS_SSL_ALERT_LEVEL_FATAL,
MBEDTLS_SSL_ALERT_MSG_HANDSHAKE_FAILURE );
#if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
mbedtls_x509_crt_pk_release( ssl->session_negotiate->peer_cert,
peer_pk );
#endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
return( MBEDTLS_ERR_SSL_PK_TYPE_MISMATCH );
}
@ -2849,6 +2861,10 @@ start_processing:
if( ret == MBEDTLS_ERR_ECP_IN_PROGRESS )
ret = MBEDTLS_ERR_SSL_CRYPTO_IN_PROGRESS;
#endif
#if defined(MBEDTLS_SSL_KEEP_PEER_CERTIFICATE)
mbedtls_x509_crt_pk_release( ssl->session_negotiate->peer_cert,
peer_pk );
#endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
return( ret );
}
@ -2857,7 +2873,10 @@ start_processing:
* so that more RAM is available for upcoming expensive
* operations like ECDHE. */
mbedtls_pk_free( peer_pk );
#endif /* !MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
#else
mbedtls_x509_crt_pk_release( ssl->session_negotiate->peer_cert,
peer_pk );
#endif /* MBEDTLS_SSL_KEEP_PEER_CERTIFICATE */
}
#endif /* MBEDTLS_KEY_EXCHANGE__WITH_SERVER_SIGNATURE__ENABLED */