Commit b534df96 authored by Kurt Roeckx's avatar Kurt Roeckx
Browse files

Make x509 and asn1 fuzzer reproducible 



Reviewed-by: default avatarRich Salz <rsalz@openssl.org>
Reviewed-by: default avatarAndy Polyakov <appro@openssl.org>
GH: #2683
parent 644fb113

fuzz/asn1.c

+12 −0
Original line number Diff line number Diff line
@@ -28,8 +28,14 @@ 
#include <openssl/x509v3.h>

#include <openssl/cms.h>

#include <openssl/err.h>

#include <openssl/rand.h>

#include "fuzzer.h"



#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION

extern int rand_predictable;

#endif

#define ENTROPY_NEEDED 32



static ASN1_ITEM_EXP *item_type[] = {

    ASN1_ITEM_ref(ACCESS_DESCRIPTION),

#ifndef OPENSSL_NO_RFC3779
@@ -210,6 +216,12 @@ int FuzzerInitialize(int *argc, char ***argv) 
    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);

    ERR_get_state();

    CRYPTO_free_ex_index(0, -1);

    RAND_add("", 1, ENTROPY_NEEDED);

    RAND_status();



#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION

    rand_predictable = 1;

#endif



    return 1;

}

fuzz/x509.c

+12 −0
Original line number Diff line number Diff line
@@ -11,13 +11,25 @@ 
#include <openssl/x509.h>

#include <openssl/bio.h>

#include <openssl/err.h>

#include <openssl/rand.h>

#include "fuzzer.h"



#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION

extern int rand_predictable;

#endif

#define ENTROPY_NEEDED 32



int FuzzerInitialize(int *argc, char ***argv)

{

    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);

    ERR_get_state();

    CRYPTO_free_ex_index(0, -1);

    RAND_add("", 1, ENTROPY_NEEDED);

    RAND_status();



#ifdef FUZZING_BUILD_MODE_UNSAFE_FOR_PRODUCTION

    rand_predictable = 1;

#endif

    return 1;

}