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fuzz: Add attribute certificate fuzz test

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Reviewed-by: Tomas Mraz <tomas@openssl.org>
Reviewed-by: Neil Horman <nhorman@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/15857)
This commit is contained in:
Damian Hobson-Garcia 2023-04-04 14:52:56 -04:00 committed by Matt Caswell
parent f90d97caab
commit d10b020e2e
4 changed files with 81 additions and 3 deletions
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48
fuzz/acert.c Normal file
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@ -0,0 +1,48 @@
/*
* Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
*
* Licensed under the Apache License 2.0 (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.
*/
#include <openssl/x509_acert.h>
#include <openssl/bio.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include "fuzzer.h"
int FuzzerInitialize(int *argc, char ***argv)
{
OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
ERR_clear_error();
CRYPTO_free_ex_index(0, -1);
return 1;
}
int FuzzerTestOneInput(const uint8_t *buf, size_t len)
{
const unsigned char *p = buf;
unsigned char *der = NULL;
X509_ACERT *acert = d2i_X509_ACERT(NULL, &p, len);
if (acert != NULL) {
BIO *bio = BIO_new(BIO_s_null());
X509_ACERT_print(bio, acert);
BIO_free(bio);
i2d_X509_ACERT(acert, &der);
OPENSSL_free(der);
X509_ACERT_free(acert);
}
ERR_clear_error();
return 0;
}
void FuzzerCleanup(void)
{
}

12
fuzz/build.info
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@ -10,7 +10,7 @@
IF[{- !$disabled{"fuzz-afl"} || !$disabled{"fuzz-libfuzzer"} -}]
PROGRAMS{noinst}=asn1 asn1parse bignum bndiv client conf crl server smime
PROGRAMS{noinst}=punycode pem decoder hashtable
PROGRAMS{noinst}=punycode pem decoder hashtable acert
PROGRAMS{noinst}=v3name
IF[{- !$disabled{"cmp"} -}]
@ -97,6 +97,10 @@ IF[{- !$disabled{"fuzz-afl"} || !$disabled{"fuzz-libfuzzer"} -}]
INCLUDE[hashtable]=../include {- $ex_inc -}
DEPEND[hashtable]=../libcrypto {- $ex_lib -}
SOURCE[acert]=acert.c driver.c
INCLUDE[acert]=../include {- $ex_inc -}
DEPEND[acert]=../libcrypto {- $ex_lib -}
SOURCE[punycode]=punycode.c driver.c
INCLUDE[punycode]=../include {- $ex_inc -}
DEPEND[punycode]=../libcrypto.a {- $ex_lib -}
@ -136,7 +140,7 @@ ENDIF
IF[{- !$disabled{tests} -}]
PROGRAMS{noinst}=asn1-test asn1parse-test bignum-test bndiv-test client-test conf-test crl-test server-test smime-test
PROGRAMS{noinst}=punycode-test pem-test decoder-test hashtable-test
PROGRAMS{noinst}=punycode-test pem-test decoder-test hashtable-test acert-test
PROGRAMS{noinst}=v3name-test
IF[{- !$disabled{"cmp"} -}]
@ -225,6 +229,10 @@ IF[{- !$disabled{tests} -}]
INCLUDE[hashtable-test]=../include
DEPEND[hashtable-test]=../libcrypto.a
SOURCE[acert-test]=acert.c test-corpus.c
INCLUDE[acert-test]=../include
DEPEND[acert-test]=../libcrypto
SOURCE[punycode-test]=punycode.c test-corpus.c
INCLUDE[punycode-test]=../include
DEPEND[punycode-test]=../libcrypto.a

2
fuzz/corpora

@ -1 +1 @@
Subproject commit 39aa3842a915cd909bf422bb70b70e80f19e858f
Subproject commit 9f7667061314ecf9a287ce1c9702073ca1e345e3

22
test/recipes/99-test_fuzz_acert.t Normal file
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#!/usr/bin/env perl
# Copyright 2023 The OpenSSL Project Authors. All Rights Reserved.
#
# Licensed under the Apache License 2.0 (the "License"). You may not use
# this file except in compliance with the License. You can obtain a copy
# in the file LICENSE in the source distribution or at
# https://www.openssl.org/source/license.html
use strict;
use warnings;
use OpenSSL::Test qw/:DEFAULT srctop_file/;
use OpenSSL::Test::Utils;
my $fuzzer = "acert";
setup("test_fuzz_${fuzzer}");
plan tests => 2; # one more due to below require_ok(...)
require_ok(srctop_file('test','recipes','fuzz.pl'));
fuzz_ok($fuzzer);