Skip to main content
Revision a889e9796b6617f98332a0cfe5473c5f63b32cfc authored by Roelof duToit on 13 July 2017, 17:07:26 UTC, committed by Matt Caswell on 14 July 2017, 10:19:17 UTC
Retry SSL_read on ERROR_WANT_READ.
This resolves the retry issue in general, but also the specific case where a TLS 1.3 server sends a post-handshake NewSessionTicket message prior to appdata.

Reviewed-by: Tim Hudson <tjh@openssl.org>
Reviewed-by: Bernd Edlinger <bernd.edlinger@hotmail.de>
Reviewed-by: Matt Caswell <matt@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/3925)
1 parent f315b66
Raw File
asn1parse.c
/*
 * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
 *
 * Licensed under the OpenSSL licenses, (the "License");
 * you may not use this file except in compliance with the License.
 * You may obtain a copy of the License at
 * https://www.openssl.org/source/license.html
 * or in the file LICENSE in the source distribution.
 */

/*
 * Fuzz the parser used for dumping ASN.1 using "openssl asn1parse".
 */

#include <stdio.h>
#include <openssl/asn1.h>
#include <openssl/x509.h>
#include <openssl/x509v3.h>
#include <openssl/err.h>
#include "fuzzer.h"

static BIO *bio_out;

int FuzzerInitialize(int *argc, char ***argv)
{
    bio_out = BIO_new_file("/dev/null", "w");
    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
    ERR_get_state();
    CRYPTO_free_ex_index(0, -1);
    return 1;
}

int FuzzerTestOneInput(const uint8_t *buf, size_t len)
{
    (void)ASN1_parse_dump(bio_out, buf, len, 0, 0);
    ERR_clear_error();
    return 0;
}

void FuzzerCleanup(void)
{
    BIO_free(bio_out);
}
back to top