Commit e1859d8d authored by Kurt Roeckx's avatar Kurt Roeckx
Browse files

Add X509 and CRL fuzzer 



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

GH: #1229
parent 3b5bea36

fuzz/build.info

+9 −1
Original line number Diff line number Diff line
@@ -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 -}

fuzz/crl.c

0 → 100644
+31 −0
Original line number Diff line number Diff line 
/*

 * 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;

}

fuzz/x509.c

0 → 100644
+31 −0
Original line number Diff line number Diff line 
/*

 * 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;

}