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Add X509 and CRL fuzzer

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Reviewed-by: Rich Salz <rsalz@openssl.org>

GH: #1229
This commit is contained in:
Kurt Roeckx 2016-06-18 15:56:49 +02:00
parent 3b5bea3604
commit e1859d8d54
3 changed files with 71 additions and 1 deletions
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10
fuzz/build.info
View File

@ -7,7 +7,7 @@
$withargs{fuzzer_lib} : catfile(updir(), $withargs{fuzzer_lib}));
""
-}
PROGRAMS=asn1 asn1parse bignum bndiv cms conf ct server
PROGRAMS=asn1 asn1parse bignum bndiv cms conf crl ct server x509
SOURCE[asn1]=asn1.c driver.c
INCLUDE[asn1]=../include {- $ex_inc -}
@ -33,6 +33,10 @@ SOURCE[conf]=conf.c driver.c
INCLUDE[conf]=../include {- $ex_inc -}
DEPEND[conf]=../libcrypto {- $ex_lib -}
SOURCE[crl]=crl.c driver.c
INCLUDE[crl]=../include {- $ex_inc -}
DEPEND[crl]=../libcrypto {- $ex_lib -}
SOURCE[ct]=ct.c driver.c
INCLUDE[ct]=../include {- $ex_inc -}
DEPEND[ct]=../libcrypto {- $ex_lib -}
@ -40,3 +44,7 @@ DEPEND[ct]=../libcrypto {- $ex_lib -}
SOURCE[server]=server.c driver.c
INCLUDE[server]=../include {- $ex_inc -}
DEPEND[server]=../libcrypto ../libssl {- $ex_lib -}
SOURCE[x509]=x509.c driver.c
INCLUDE[x509]=../include {- $ex_inc -}
DEPEND[x509]=../libcrypto ../libssl {- $ex_lib -}

31
fuzz/crl.c Normal file
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@ -0,0 +1,31 @@
/*
* 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.
*/
#include <openssl/x509.h>
#include <openssl/bio.h>
#include "fuzzer.h"
int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
const unsigned char *p = buf;
unsigned char *der = NULL;
X509_CRL *crl = d2i_X509_CRL(NULL, &p, len);
if (crl != NULL) {
BIO *bio = BIO_new(BIO_s_null());
X509_CRL_print(bio, crl);
BIO_free(bio);
i2d_X509_CRL(crl, &der);
OPENSSL_free(der);
X509_CRL_free(crl);
}
return 0;
}

31
fuzz/x509.c Normal file
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@ -0,0 +1,31 @@
/*
* 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.
*/
#include <openssl/x509.h>
#include <openssl/bio.h>
#include "fuzzer.h"
int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
const unsigned char *p = buf;
unsigned char *der = NULL;
X509 *x509 = d2i_X509(NULL, &p, len);
if (x509 != NULL) {
BIO *bio = BIO_new(BIO_s_null());
X509_print(bio, x509);
BIO_free(bio);
i2d_X509(x509, &der);
OPENSSL_free(der);
X509_free(x509);
}
return 0;
}