[thirdparty/openssl.git] / fuzz / asn1.c

/*
 * Copyright 2016-2019 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.
 */

/*
 * Fuzz ASN.1 parsing for various data structures. Specify which on the
 * command line:
 *
 * asn1 <data structure>
 */

#include <stdio.h>
#include <string.h>
#include <openssl/asn1.h>
#include <openssl/asn1t.h>
#include <openssl/dh.h>
#include <openssl/ec.h>
#include <openssl/ocsp.h>
#include <openssl/pkcs12.h>
#include <openssl/rsa.h>
#include <openssl/ts.h>
#include <openssl/x509v3.h>
#include <openssl/cms.h>
#include <openssl/ess.h>
#include <openssl/err.h>
#include <openssl/rand.h>
#include <openssl/bio.h>
#include <openssl/evp.h>
#include <openssl/ssl.h>
#include <internal/nelem.h>
#include "fuzzer.h"

#include "rand.inc"

static ASN1_ITEM_EXP *item_type[] = {
    ASN1_ITEM_ref(ACCESS_DESCRIPTION),
#ifndef OPENSSL_NO_RFC3779
    ASN1_ITEM_ref(ASIdentifierChoice),
    ASN1_ITEM_ref(ASIdentifiers),
    ASN1_ITEM_ref(ASIdOrRange),
#endif
    ASN1_ITEM_ref(ASN1_ANY),
    ASN1_ITEM_ref(ASN1_BIT_STRING),
    ASN1_ITEM_ref(ASN1_BMPSTRING),
    ASN1_ITEM_ref(ASN1_BOOLEAN),
    ASN1_ITEM_ref(ASN1_ENUMERATED),
    ASN1_ITEM_ref(ASN1_FBOOLEAN),
    ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
    ASN1_ITEM_ref(ASN1_GENERALSTRING),
    ASN1_ITEM_ref(ASN1_IA5STRING),
    ASN1_ITEM_ref(ASN1_INTEGER),
    ASN1_ITEM_ref(ASN1_NULL),
    ASN1_ITEM_ref(ASN1_OBJECT),
    ASN1_ITEM_ref(ASN1_OCTET_STRING),
    ASN1_ITEM_ref(ASN1_OCTET_STRING_NDEF),
    ASN1_ITEM_ref(ASN1_PRINTABLE),
    ASN1_ITEM_ref(ASN1_PRINTABLESTRING),
    ASN1_ITEM_ref(ASN1_SEQUENCE),
    ASN1_ITEM_ref(ASN1_SEQUENCE_ANY),
    ASN1_ITEM_ref(ASN1_SET_ANY),
    ASN1_ITEM_ref(ASN1_T61STRING),
    ASN1_ITEM_ref(ASN1_TBOOLEAN),
    ASN1_ITEM_ref(ASN1_TIME),
    ASN1_ITEM_ref(ASN1_UNIVERSALSTRING),
    ASN1_ITEM_ref(ASN1_UTCTIME),
    ASN1_ITEM_ref(ASN1_UTF8STRING),
    ASN1_ITEM_ref(ASN1_VISIBLESTRING),
#ifndef OPENSSL_NO_RFC3779
    ASN1_ITEM_ref(ASRange),
#endif
    ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
    ASN1_ITEM_ref(AUTHORITY_KEYID),
    ASN1_ITEM_ref(BASIC_CONSTRAINTS),
    ASN1_ITEM_ref(BIGNUM),
    ASN1_ITEM_ref(CBIGNUM),
    ASN1_ITEM_ref(CERTIFICATEPOLICIES),
#ifndef OPENSSL_NO_CMS
    ASN1_ITEM_ref(CMS_ContentInfo),
    ASN1_ITEM_ref(CMS_ReceiptRequest),
    ASN1_ITEM_ref(CRL_DIST_POINTS),
#endif
#ifndef OPENSSL_NO_DH
    ASN1_ITEM_ref(DHparams),
#endif
    ASN1_ITEM_ref(DIRECTORYSTRING),
    ASN1_ITEM_ref(DISPLAYTEXT),
    ASN1_ITEM_ref(DIST_POINT),
    ASN1_ITEM_ref(DIST_POINT_NAME),
#ifndef OPENSSL_NO_EC
    ASN1_ITEM_ref(ECPARAMETERS),
    ASN1_ITEM_ref(ECPKPARAMETERS),
#endif
    ASN1_ITEM_ref(EDIPARTYNAME),
    ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
    ASN1_ITEM_ref(GENERAL_NAME),
    ASN1_ITEM_ref(GENERAL_NAMES),
    ASN1_ITEM_ref(GENERAL_SUBTREE),
#ifndef OPENSSL_NO_RFC3779
    ASN1_ITEM_ref(IPAddressChoice),
    ASN1_ITEM_ref(IPAddressFamily),
    ASN1_ITEM_ref(IPAddressOrRange),
    ASN1_ITEM_ref(IPAddressRange),
#endif
    ASN1_ITEM_ref(ISSUING_DIST_POINT),
#if !OPENSSL_API_3
    ASN1_ITEM_ref(LONG),
#endif
    ASN1_ITEM_ref(NAME_CONSTRAINTS),
    ASN1_ITEM_ref(NETSCAPE_CERT_SEQUENCE),
    ASN1_ITEM_ref(NETSCAPE_SPKAC),
    ASN1_ITEM_ref(NETSCAPE_SPKI),
    ASN1_ITEM_ref(NOTICEREF),
#ifndef OPENSSL_NO_OCSP
    ASN1_ITEM_ref(OCSP_BASICRESP),
    ASN1_ITEM_ref(OCSP_CERTID),
    ASN1_ITEM_ref(OCSP_CERTSTATUS),
    ASN1_ITEM_ref(OCSP_CRLID),
    ASN1_ITEM_ref(OCSP_ONEREQ),
    ASN1_ITEM_ref(OCSP_REQINFO),
    ASN1_ITEM_ref(OCSP_REQUEST),
    ASN1_ITEM_ref(OCSP_RESPBYTES),
    ASN1_ITEM_ref(OCSP_RESPDATA),
    ASN1_ITEM_ref(OCSP_RESPID),
    ASN1_ITEM_ref(OCSP_RESPONSE),
    ASN1_ITEM_ref(OCSP_REVOKEDINFO),
    ASN1_ITEM_ref(OCSP_SERVICELOC),
    ASN1_ITEM_ref(OCSP_SIGNATURE),
    ASN1_ITEM_ref(OCSP_SINGLERESP),
#endif
    ASN1_ITEM_ref(OTHERNAME),
    ASN1_ITEM_ref(PBE2PARAM),
    ASN1_ITEM_ref(PBEPARAM),
    ASN1_ITEM_ref(PBKDF2PARAM),
    ASN1_ITEM_ref(PKCS12),
    ASN1_ITEM_ref(PKCS12_AUTHSAFES),
    ASN1_ITEM_ref(PKCS12_BAGS),
    ASN1_ITEM_ref(PKCS12_MAC_DATA),
    ASN1_ITEM_ref(PKCS12_SAFEBAG),
    ASN1_ITEM_ref(PKCS12_SAFEBAGS),
    ASN1_ITEM_ref(PKCS7),
    ASN1_ITEM_ref(PKCS7_ATTR_SIGN),
    ASN1_ITEM_ref(PKCS7_ATTR_VERIFY),
    ASN1_ITEM_ref(PKCS7_DIGEST),
    ASN1_ITEM_ref(PKCS7_ENC_CONTENT),
    ASN1_ITEM_ref(PKCS7_ENCRYPT),
    ASN1_ITEM_ref(PKCS7_ENVELOPE),
    ASN1_ITEM_ref(PKCS7_ISSUER_AND_SERIAL),
    ASN1_ITEM_ref(PKCS7_RECIP_INFO),
    ASN1_ITEM_ref(PKCS7_SIGNED),
    ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE),
    ASN1_ITEM_ref(PKCS7_SIGNER_INFO),
    ASN1_ITEM_ref(PKCS8_PRIV_KEY_INFO),
    ASN1_ITEM_ref(PKEY_USAGE_PERIOD),
    ASN1_ITEM_ref(POLICY_CONSTRAINTS),
    ASN1_ITEM_ref(POLICYINFO),
    ASN1_ITEM_ref(POLICY_MAPPING),
    ASN1_ITEM_ref(POLICY_MAPPINGS),
    ASN1_ITEM_ref(POLICYQUALINFO),
    ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
    ASN1_ITEM_ref(PROXY_POLICY),
    ASN1_ITEM_ref(RSA_OAEP_PARAMS),
    ASN1_ITEM_ref(RSAPrivateKey),
    ASN1_ITEM_ref(RSA_PSS_PARAMS),
    ASN1_ITEM_ref(RSAPublicKey),
    ASN1_ITEM_ref(SXNET),
    ASN1_ITEM_ref(SXNETID),
    ASN1_ITEM_ref(USERNOTICE),
    ASN1_ITEM_ref(X509),
    ASN1_ITEM_ref(X509_ALGOR),
    ASN1_ITEM_ref(X509_ALGORS),
    ASN1_ITEM_ref(X509_ATTRIBUTE),
    ASN1_ITEM_ref(X509_CERT_AUX),
    ASN1_ITEM_ref(X509_CINF),
    ASN1_ITEM_ref(X509_CRL),
    ASN1_ITEM_ref(X509_CRL_INFO),
    ASN1_ITEM_ref(X509_EXTENSION),
    ASN1_ITEM_ref(X509_EXTENSIONS),
    ASN1_ITEM_ref(X509_NAME),
    ASN1_ITEM_ref(X509_NAME_ENTRY),
    ASN1_ITEM_ref(X509_PUBKEY),
    ASN1_ITEM_ref(X509_REQ),
    ASN1_ITEM_ref(X509_REQ_INFO),
    ASN1_ITEM_ref(X509_REVOKED),
    ASN1_ITEM_ref(X509_SIG),
    ASN1_ITEM_ref(X509_VAL),
#if !OPENSSL_API_3
    ASN1_ITEM_ref(ZLONG),
#endif
    ASN1_ITEM_ref(INT32),
    ASN1_ITEM_ref(ZINT32),
    ASN1_ITEM_ref(UINT32),
    ASN1_ITEM_ref(ZUINT32),
    ASN1_ITEM_ref(INT64),
    ASN1_ITEM_ref(ZINT64),
    ASN1_ITEM_ref(UINT64),
    ASN1_ITEM_ref(ZUINT64),
    NULL
};

static ASN1_PCTX *pctx;

#define DO_TEST(TYPE, D2I, I2D, PRINT) { \
    const unsigned char *p = buf; \
    unsigned char *der = NULL; \
    TYPE *type = D2I(NULL, &p, len); \
    \
    if (type != NULL) { \
        int len2; \
        BIO *bio = BIO_new(BIO_s_null()); \
        \
        PRINT(bio, type); \
        BIO_free(bio); \
        len2 = I2D(type, &der); \
        if (len2 != 0) {} \
        OPENSSL_free(der); \
        TYPE ## _free(type); \
    } \
}

#define DO_TEST_PRINT_OFFSET(TYPE, D2I, I2D, PRINT) { \
    const unsigned char *p = buf; \
    unsigned char *der = NULL; \
    TYPE *type = D2I(NULL, &p, len); \
    \
    if (type != NULL) { \
        BIO *bio = BIO_new(BIO_s_null()); \
        \
        PRINT(bio, type, 0); \
        BIO_free(bio); \
        I2D(type, &der); \
        OPENSSL_free(der); \
        TYPE ## _free(type); \
    } \
}

#define DO_TEST_PRINT_PCTX(TYPE, D2I, I2D, PRINT) { \
    const unsigned char *p = buf; \
    unsigned char *der = NULL; \
    TYPE *type = D2I(NULL, &p, len); \
    \
    if (type != NULL) { \
        BIO *bio = BIO_new(BIO_s_null()); \
        \
        PRINT(bio, type, 0, pctx); \
        BIO_free(bio); \
        I2D(type, &der); \
        OPENSSL_free(der); \
        TYPE ## _free(type); \
    } \
}


#define DO_TEST_NO_PRINT(TYPE, D2I, I2D) { \
    const unsigned char *p = buf; \
    unsigned char *der = NULL; \
    TYPE *type = D2I(NULL, &p, len); \
    \
    if (type != NULL) { \
        BIO *bio = BIO_new(BIO_s_null()); \
        \
        BIO_free(bio); \
        I2D(type, &der); \
        OPENSSL_free(der); \
        TYPE ## _free(type); \
    } \
}


int FuzzerInitialize(int *argc, char ***argv)
{
    pctx = ASN1_PCTX_new();
    ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT |
        ASN1_PCTX_FLAGS_SHOW_SEQUENCE | ASN1_PCTX_FLAGS_SHOW_SSOF |
        ASN1_PCTX_FLAGS_SHOW_TYPE | ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME);
    ASN1_PCTX_set_str_flags(pctx, ASN1_STRFLGS_UTF8_CONVERT |
        ASN1_STRFLGS_SHOW_TYPE | ASN1_STRFLGS_DUMP_ALL);

    OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
    OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
    ERR_get_state();
    CRYPTO_free_ex_index(0, -1);
    FuzzerSetRand();

    return 1;
}

int FuzzerTestOneInput(const uint8_t *buf, size_t len)
{
    int n;


    for (n = 0; item_type[n] != NULL; ++n) {
        const uint8_t *b = buf;
        unsigned char *der = NULL;
        const ASN1_ITEM *i = ASN1_ITEM_ptr(item_type[n]);
        ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, i);

        if (o != NULL) {
            BIO *bio = BIO_new(BIO_s_null());

            ASN1_item_print(bio, o, 4, i, pctx);
            BIO_free(bio);
            ASN1_item_i2d(o, &der, i);
            OPENSSL_free(der);
            ASN1_item_free(o, i);
        }
    }

#ifndef OPENSSL_NO_TS
    DO_TEST(TS_REQ, d2i_TS_REQ, i2d_TS_REQ, TS_REQ_print_bio);
    DO_TEST(TS_MSG_IMPRINT, d2i_TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, TS_MSG_IMPRINT_print_bio);
    DO_TEST(TS_RESP, d2i_TS_RESP, i2d_TS_RESP, TS_RESP_print_bio);
    DO_TEST(TS_STATUS_INFO, d2i_TS_STATUS_INFO, i2d_TS_STATUS_INFO, TS_STATUS_INFO_print_bio);
    DO_TEST(TS_TST_INFO, d2i_TS_TST_INFO, i2d_TS_TST_INFO, TS_TST_INFO_print_bio);
    DO_TEST_NO_PRINT(TS_ACCURACY, d2i_TS_ACCURACY, i2d_TS_ACCURACY);
#endif
    DO_TEST_NO_PRINT(ESS_ISSUER_SERIAL, d2i_ESS_ISSUER_SERIAL, i2d_ESS_ISSUER_SERIAL);
    DO_TEST_NO_PRINT(ESS_CERT_ID, d2i_ESS_CERT_ID, i2d_ESS_CERT_ID);
    DO_TEST_NO_PRINT(ESS_SIGNING_CERT, d2i_ESS_SIGNING_CERT, i2d_ESS_SIGNING_CERT);
    DO_TEST_NO_PRINT(ESS_CERT_ID_V2, d2i_ESS_CERT_ID_V2, i2d_ESS_CERT_ID_V2);
    DO_TEST_NO_PRINT(ESS_SIGNING_CERT_V2, d2i_ESS_SIGNING_CERT_V2, i2d_ESS_SIGNING_CERT_V2);
#ifndef OPENSSL_NO_DH
    DO_TEST(DH, d2i_DHparams, i2d_DHparams, DHparams_print);
    DO_TEST(DH, d2i_DHxparams, i2d_DHxparams, DHparams_print);
#endif
#ifndef OPENSSL_NO_DSA
    DO_TEST_NO_PRINT(DSA_SIG, d2i_DSA_SIG, i2d_DSA_SIG);
    DO_TEST_PRINT_OFFSET(DSA, d2i_DSAPrivateKey, i2d_DSAPrivateKey, DSA_print);
    DO_TEST_PRINT_OFFSET(DSA, d2i_DSAPublicKey, i2d_DSAPublicKey, DSA_print);
    DO_TEST(DSA, d2i_DSAparams, i2d_DSAparams, DSAparams_print);
#endif
    DO_TEST_PRINT_OFFSET(RSA, d2i_RSAPublicKey, i2d_RSAPublicKey, RSA_print);
#ifndef OPENSSL_NO_EC
    DO_TEST_PRINT_OFFSET(EC_GROUP, d2i_ECPKParameters, i2d_ECPKParameters, ECPKParameters_print);
    DO_TEST_PRINT_OFFSET(EC_KEY, d2i_ECPrivateKey, i2d_ECPrivateKey, EC_KEY_print);
    DO_TEST(EC_KEY, d2i_ECParameters, i2d_ECParameters, ECParameters_print);
    DO_TEST_NO_PRINT(ECDSA_SIG, d2i_ECDSA_SIG, i2d_ECDSA_SIG);
#endif
    DO_TEST_PRINT_PCTX(EVP_PKEY, d2i_AutoPrivateKey, i2d_PrivateKey, EVP_PKEY_print_private);
    DO_TEST(SSL_SESSION, d2i_SSL_SESSION, i2d_SSL_SESSION, SSL_SESSION_print);

    ERR_clear_error();

    return 0;
}

void FuzzerCleanup(void)
{
    ASN1_PCTX_free(pctx);
}
Commit	Line	Data
c38bb727	1	/*
cdc5ae9c	2	* Copyright 2016-2019 The OpenSSL Project Authors. All Rights Reserved.
c38bb727	3	*
0642931f	4	* Licensed under the Apache License 2.0 (the "License");
c38bb727 BL	5	* you may not use this file except in compliance with the License.
	6	* You may obtain a copy of the License at
	7	* https://www.openssl.org/source/license.html
	8	* or in the file LICENSE in the source distribution.
	9	*/
	10
	11	/*
	12	* Fuzz ASN.1 parsing for various data structures. Specify which on the
	13	* command line:
	14	*
	15	* asn1 <data structure>
	16	*/
	17
	18	#include <stdio.h>
	19	#include <string.h>
	20	#include <openssl/asn1.h>
	21	#include <openssl/asn1t.h>
68e71e9d	22	#include <openssl/dh.h>
c38bb727 BL	23	#include <openssl/ec.h>
	24	#include <openssl/ocsp.h>
	25	#include <openssl/pkcs12.h>
68e71e9d	26	#include <openssl/rsa.h>
c38bb727 BL	27	#include <openssl/ts.h>
c38bb727 BL	28	#include <openssl/x509v3.h>
2980ae2e	29	#include <openssl/cms.h>
cdc5ae9c	30	#include <openssl/ess.h>
231f1337	31	#include <openssl/err.h>
b534df96	32	#include <openssl/rand.h>
902f7d5c KR	33	#include <openssl/bio.h>
	34	#include <openssl/evp.h>
	35	#include <openssl/ssl.h>
cdc5ae9c	36	#include <internal/nelem.h>
c38bb727 BL	37	#include "fuzzer.h"
c38bb727 BL	38
710769f0 RS	39	#include "rand.inc"
710769f0 RS	40
90d28f05	41	static ASN1_ITEM_EXP *item_type[] = {
2980ae2e	42	ASN1_ITEM_ref(ACCESS_DESCRIPTION),
620c6ad3	43	#ifndef OPENSSL_NO_RFC3779
2980ae2e KR	44	ASN1_ITEM_ref(ASIdentifierChoice),
	45	ASN1_ITEM_ref(ASIdentifiers),
	46	ASN1_ITEM_ref(ASIdOrRange),
620c6ad3	47	#endif
2980ae2e KR	48	ASN1_ITEM_ref(ASN1_ANY),
	49	ASN1_ITEM_ref(ASN1_BIT_STRING),
	50	ASN1_ITEM_ref(ASN1_BMPSTRING),
	51	ASN1_ITEM_ref(ASN1_BOOLEAN),
	52	ASN1_ITEM_ref(ASN1_ENUMERATED),
	53	ASN1_ITEM_ref(ASN1_FBOOLEAN),
	54	ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
	55	ASN1_ITEM_ref(ASN1_GENERALSTRING),
	56	ASN1_ITEM_ref(ASN1_IA5STRING),
	57	ASN1_ITEM_ref(ASN1_INTEGER),
	58	ASN1_ITEM_ref(ASN1_NULL),
	59	ASN1_ITEM_ref(ASN1_OBJECT),
	60	ASN1_ITEM_ref(ASN1_OCTET_STRING),
	61	ASN1_ITEM_ref(ASN1_OCTET_STRING_NDEF),
	62	ASN1_ITEM_ref(ASN1_PRINTABLE),
	63	ASN1_ITEM_ref(ASN1_PRINTABLESTRING),
90d28f05	64	ASN1_ITEM_ref(ASN1_SEQUENCE),
2980ae2e KR	65	ASN1_ITEM_ref(ASN1_SEQUENCE_ANY),
	66	ASN1_ITEM_ref(ASN1_SET_ANY),
	67	ASN1_ITEM_ref(ASN1_T61STRING),
	68	ASN1_ITEM_ref(ASN1_TBOOLEAN),
	69	ASN1_ITEM_ref(ASN1_TIME),
	70	ASN1_ITEM_ref(ASN1_UNIVERSALSTRING),
	71	ASN1_ITEM_ref(ASN1_UTCTIME),
	72	ASN1_ITEM_ref(ASN1_UTF8STRING),
	73	ASN1_ITEM_ref(ASN1_VISIBLESTRING),
620c6ad3	74	#ifndef OPENSSL_NO_RFC3779
2980ae2e	75	ASN1_ITEM_ref(ASRange),
620c6ad3	76	#endif
90d28f05	77	ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
2980ae2e KR	78	ASN1_ITEM_ref(AUTHORITY_KEYID),
2980ae2e KR	79	ASN1_ITEM_ref(BASIC_CONSTRAINTS),
90d28f05	80	ASN1_ITEM_ref(BIGNUM),
2980ae2e KR	81	ASN1_ITEM_ref(CBIGNUM),
2980ae2e KR	82	ASN1_ITEM_ref(CERTIFICATEPOLICIES),
620c6ad3	83	#ifndef OPENSSL_NO_CMS
2980ae2e KR	84	ASN1_ITEM_ref(CMS_ContentInfo),
	85	ASN1_ITEM_ref(CMS_ReceiptRequest),
	86	ASN1_ITEM_ref(CRL_DIST_POINTS),
620c6ad3 BL	87	#endif
620c6ad3 BL	88	#ifndef OPENSSL_NO_DH
2980ae2e	89	ASN1_ITEM_ref(DHparams),
620c6ad3	90	#endif
2980ae2e KR	91	ASN1_ITEM_ref(DIRECTORYSTRING),
	92	ASN1_ITEM_ref(DISPLAYTEXT),
	93	ASN1_ITEM_ref(DIST_POINT),
	94	ASN1_ITEM_ref(DIST_POINT_NAME),
d20841c4	95	#ifndef OPENSSL_NO_EC
90d28f05 BL	96	ASN1_ITEM_ref(ECPARAMETERS),
90d28f05 BL	97	ASN1_ITEM_ref(ECPKPARAMETERS),
d20841c4	98	#endif
2980ae2e KR	99	ASN1_ITEM_ref(EDIPARTYNAME),
2980ae2e KR	100	ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
90d28f05	101	ASN1_ITEM_ref(GENERAL_NAME),
2980ae2e	102	ASN1_ITEM_ref(GENERAL_NAMES),
90d28f05	103	ASN1_ITEM_ref(GENERAL_SUBTREE),
620c6ad3	104	#ifndef OPENSSL_NO_RFC3779
2980ae2e KR	105	ASN1_ITEM_ref(IPAddressChoice),
	106	ASN1_ITEM_ref(IPAddressFamily),
	107	ASN1_ITEM_ref(IPAddressOrRange),
	108	ASN1_ITEM_ref(IPAddressRange),
620c6ad3	109	#endif
2980ae2e	110	ASN1_ITEM_ref(ISSUING_DIST_POINT),
fcd2d5a6	111	#if !OPENSSL_API_3
2980ae2e	112	ASN1_ITEM_ref(LONG),
31ae5161	113	#endif
90d28f05	114	ASN1_ITEM_ref(NAME_CONSTRAINTS),
2980ae2e KR	115	ASN1_ITEM_ref(NETSCAPE_CERT_SEQUENCE),
	116	ASN1_ITEM_ref(NETSCAPE_SPKAC),
	117	ASN1_ITEM_ref(NETSCAPE_SPKI),
	118	ASN1_ITEM_ref(NOTICEREF),
620c6ad3	119	#ifndef OPENSSL_NO_OCSP
90d28f05	120	ASN1_ITEM_ref(OCSP_BASICRESP),
2980ae2e KR	121	ASN1_ITEM_ref(OCSP_CERTID),
	122	ASN1_ITEM_ref(OCSP_CERTSTATUS),
	123	ASN1_ITEM_ref(OCSP_CRLID),
	124	ASN1_ITEM_ref(OCSP_ONEREQ),
	125	ASN1_ITEM_ref(OCSP_REQINFO),
	126	ASN1_ITEM_ref(OCSP_REQUEST),
	127	ASN1_ITEM_ref(OCSP_RESPBYTES),
	128	ASN1_ITEM_ref(OCSP_RESPDATA),
	129	ASN1_ITEM_ref(OCSP_RESPID),
90d28f05	130	ASN1_ITEM_ref(OCSP_RESPONSE),
2980ae2e KR	131	ASN1_ITEM_ref(OCSP_REVOKEDINFO),
	132	ASN1_ITEM_ref(OCSP_SERVICELOC),
	133	ASN1_ITEM_ref(OCSP_SIGNATURE),
	134	ASN1_ITEM_ref(OCSP_SINGLERESP),
620c6ad3	135	#endif
2980ae2e KR	136	ASN1_ITEM_ref(OTHERNAME),
	137	ASN1_ITEM_ref(PBE2PARAM),
	138	ASN1_ITEM_ref(PBEPARAM),
	139	ASN1_ITEM_ref(PBKDF2PARAM),
90d28f05 BL	140	ASN1_ITEM_ref(PKCS12),
90d28f05 BL	141	ASN1_ITEM_ref(PKCS12_AUTHSAFES),
2980ae2e KR	142	ASN1_ITEM_ref(PKCS12_BAGS),
	143	ASN1_ITEM_ref(PKCS12_MAC_DATA),
	144	ASN1_ITEM_ref(PKCS12_SAFEBAG),
90d28f05 BL	145	ASN1_ITEM_ref(PKCS12_SAFEBAGS),
	146	ASN1_ITEM_ref(PKCS7),
	147	ASN1_ITEM_ref(PKCS7_ATTR_SIGN),
	148	ASN1_ITEM_ref(PKCS7_ATTR_VERIFY),
	149	ASN1_ITEM_ref(PKCS7_DIGEST),
	150	ASN1_ITEM_ref(PKCS7_ENC_CONTENT),
	151	ASN1_ITEM_ref(PKCS7_ENCRYPT),
	152	ASN1_ITEM_ref(PKCS7_ENVELOPE),
2980ae2e	153	ASN1_ITEM_ref(PKCS7_ISSUER_AND_SERIAL),
90d28f05	154	ASN1_ITEM_ref(PKCS7_RECIP_INFO),
90d28f05	155	ASN1_ITEM_ref(PKCS7_SIGNED),
2980ae2e	156	ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE),
90d28f05	157	ASN1_ITEM_ref(PKCS7_SIGNER_INFO),
2980ae2e KR	158	ASN1_ITEM_ref(PKCS8_PRIV_KEY_INFO),
2980ae2e KR	159	ASN1_ITEM_ref(PKEY_USAGE_PERIOD),
90d28f05	160	ASN1_ITEM_ref(POLICY_CONSTRAINTS),
2980ae2e KR	161	ASN1_ITEM_ref(POLICYINFO),
2980ae2e KR	162	ASN1_ITEM_ref(POLICY_MAPPING),
90d28f05	163	ASN1_ITEM_ref(POLICY_MAPPINGS),
2980ae2e KR	164	ASN1_ITEM_ref(POLICYQUALINFO),
	165	ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
	166	ASN1_ITEM_ref(PROXY_POLICY),
	167	ASN1_ITEM_ref(RSA_OAEP_PARAMS),
	168	ASN1_ITEM_ref(RSAPrivateKey),
	169	ASN1_ITEM_ref(RSA_PSS_PARAMS),
	170	ASN1_ITEM_ref(RSAPublicKey),
90d28f05	171	ASN1_ITEM_ref(SXNET),
2980ae2e	172	ASN1_ITEM_ref(SXNETID),
2980ae2e	173	ASN1_ITEM_ref(USERNOTICE),
90d28f05	174	ASN1_ITEM_ref(X509),
2980ae2e KR	175	ASN1_ITEM_ref(X509_ALGOR),
	176	ASN1_ITEM_ref(X509_ALGORS),
	177	ASN1_ITEM_ref(X509_ATTRIBUTE),
	178	ASN1_ITEM_ref(X509_CERT_AUX),
	179	ASN1_ITEM_ref(X509_CINF),
90d28f05	180	ASN1_ITEM_ref(X509_CRL),
2980ae2e KR	181	ASN1_ITEM_ref(X509_CRL_INFO),
	182	ASN1_ITEM_ref(X509_EXTENSION),
	183	ASN1_ITEM_ref(X509_EXTENSIONS),
	184	ASN1_ITEM_ref(X509_NAME),
	185	ASN1_ITEM_ref(X509_NAME_ENTRY),
	186	ASN1_ITEM_ref(X509_PUBKEY),
	187	ASN1_ITEM_ref(X509_REQ),
	188	ASN1_ITEM_ref(X509_REQ_INFO),
	189	ASN1_ITEM_ref(X509_REVOKED),
	190	ASN1_ITEM_ref(X509_SIG),
	191	ASN1_ITEM_ref(X509_VAL),
fcd2d5a6	192	#if !OPENSSL_API_3
2980ae2e	193	ASN1_ITEM_ref(ZLONG),
31ae5161	194	#endif
64f11ee8 RL	195	ASN1_ITEM_ref(INT32),
	196	ASN1_ITEM_ref(ZINT32),
	197	ASN1_ITEM_ref(UINT32),
	198	ASN1_ITEM_ref(ZUINT32),
	199	ASN1_ITEM_ref(INT64),
	200	ASN1_ITEM_ref(ZINT64),
	201	ASN1_ITEM_ref(UINT64),
	202	ASN1_ITEM_ref(ZUINT64),
e298cb10 BL	203	NULL
e298cb10 BL	204	};
c38bb727	205
231f1337 KR	206	static ASN1_PCTX *pctx;
231f1337 KR	207
902f7d5c KR	208	#define DO_TEST(TYPE, D2I, I2D, PRINT) { \
	209	const unsigned char *p = buf; \
	210	unsigned char *der = NULL; \
	211	TYPE *type = D2I(NULL, &p, len); \
	212	\
	213	if (type != NULL) { \
	214	int len2; \
	215	BIO *bio = BIO_new(BIO_s_null()); \
	216	\
	217	PRINT(bio, type); \
	218	BIO_free(bio); \
	219	len2 = I2D(type, &der); \
	220	if (len2 != 0) {} \
	221	OPENSSL_free(der); \
	222	TYPE ## _free(type); \
	223	} \
	224	}
	225
	226	#define DO_TEST_PRINT_OFFSET(TYPE, D2I, I2D, PRINT) { \
	227	const unsigned char *p = buf; \
	228	unsigned char *der = NULL; \
	229	TYPE *type = D2I(NULL, &p, len); \
	230	\
	231	if (type != NULL) { \
	232	BIO *bio = BIO_new(BIO_s_null()); \
	233	\
	234	PRINT(bio, type, 0); \
	235	BIO_free(bio); \
	236	I2D(type, &der); \
	237	OPENSSL_free(der); \
	238	TYPE ## _free(type); \
	239	} \
	240	}
	241
	242	#define DO_TEST_PRINT_PCTX(TYPE, D2I, I2D, PRINT) { \
	243	const unsigned char *p = buf; \
	244	unsigned char *der = NULL; \
	245	TYPE *type = D2I(NULL, &p, len); \
	246	\
	247	if (type != NULL) { \
	248	BIO *bio = BIO_new(BIO_s_null()); \
	249	\
	250	PRINT(bio, type, 0, pctx); \
	251	BIO_free(bio); \
	252	I2D(type, &der); \
	253	OPENSSL_free(der); \
	254	TYPE ## _free(type); \
	255	} \
	256	}
	257
	258
	259	#define DO_TEST_NO_PRINT(TYPE, D2I, I2D) { \
	260	const unsigned char *p = buf; \
	261	unsigned char *der = NULL; \
	262	TYPE *type = D2I(NULL, &p, len); \
	263	\
	264	if (type != NULL) { \
	265	BIO *bio = BIO_new(BIO_s_null()); \
	266	\
	267	BIO_free(bio); \
	268	I2D(type, &der); \
	269	OPENSSL_free(der); \
	270	TYPE ## _free(type); \
	271	} \
272	}
273
274
f3e911d5 KR	275	int FuzzerInitialize(int argc, char **argv)
f3e911d5 KR	276	{
231f1337 KR	277	pctx = ASN1_PCTX_new();
	278	ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT \|
	279	ASN1_PCTX_FLAGS_SHOW_SEQUENCE \| ASN1_PCTX_FLAGS_SHOW_SSOF \|
	280	ASN1_PCTX_FLAGS_SHOW_TYPE \| ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME);
	281	ASN1_PCTX_set_str_flags(pctx, ASN1_STRFLGS_UTF8_CONVERT \|
	282	ASN1_STRFLGS_SHOW_TYPE \| ASN1_STRFLGS_DUMP_ALL);
	283
	284	OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
902f7d5c	285	OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
231f1337 KR	286	ERR_get_state();
231f1337 KR	287	CRYPTO_free_ex_index(0, -1);
9f08a1c6	288	FuzzerSetRand();
231f1337	289
90d28f05 BL	290	return 1;
	291	}
	292
f3e911d5 KR	293	int FuzzerTestOneInput(const uint8_t *buf, size_t len)
f3e911d5 KR	294	{
90d28f05 BL	295	int n;
90d28f05 BL	296
e10aeee1	297
90d28f05	298	for (n = 0; item_type[n] != NULL; ++n) {
e298cb10	299	const uint8_t *b = buf;
e10aeee1	300	unsigned char *der = NULL;
90d28f05 BL	301	const ASN1_ITEM *i = ASN1_ITEM_ptr(item_type[n]);
90d28f05 BL	302	ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, i);
e10aeee1 KR	303
	304	if (o != NULL) {
	305	BIO *bio = BIO_new(BIO_s_null());
902f7d5c	306
e10aeee1 KR	307	ASN1_item_print(bio, o, 4, i, pctx);
e10aeee1 KR	308	BIO_free(bio);
e10aeee1 KR	309	ASN1_item_i2d(o, &der, i);
e10aeee1 KR	310	OPENSSL_free(der);
e10aeee1 KR	311	ASN1_item_free(o, i);
e10aeee1 KR	312	}
e298cb10	313	}
e10aeee1	314
976b0388	315	#ifndef OPENSSL_NO_TS
902f7d5c KR	316	DO_TEST(TS_REQ, d2i_TS_REQ, i2d_TS_REQ, TS_REQ_print_bio);
	317	DO_TEST(TS_MSG_IMPRINT, d2i_TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, TS_MSG_IMPRINT_print_bio);
	318	DO_TEST(TS_RESP, d2i_TS_RESP, i2d_TS_RESP, TS_RESP_print_bio);
	319	DO_TEST(TS_STATUS_INFO, d2i_TS_STATUS_INFO, i2d_TS_STATUS_INFO, TS_STATUS_INFO_print_bio);
	320	DO_TEST(TS_TST_INFO, d2i_TS_TST_INFO, i2d_TS_TST_INFO, TS_TST_INFO_print_bio);
	321	DO_TEST_NO_PRINT(TS_ACCURACY, d2i_TS_ACCURACY, i2d_TS_ACCURACY);
cdc5ae9c	322	#endif
902f7d5c KR	323	DO_TEST_NO_PRINT(ESS_ISSUER_SERIAL, d2i_ESS_ISSUER_SERIAL, i2d_ESS_ISSUER_SERIAL);
	324	DO_TEST_NO_PRINT(ESS_CERT_ID, d2i_ESS_CERT_ID, i2d_ESS_CERT_ID);
	325	DO_TEST_NO_PRINT(ESS_SIGNING_CERT, d2i_ESS_SIGNING_CERT, i2d_ESS_SIGNING_CERT);
cdc5ae9c F	326	DO_TEST_NO_PRINT(ESS_CERT_ID_V2, d2i_ESS_CERT_ID_V2, i2d_ESS_CERT_ID_V2);
cdc5ae9c F	327	DO_TEST_NO_PRINT(ESS_SIGNING_CERT_V2, d2i_ESS_SIGNING_CERT_V2, i2d_ESS_SIGNING_CERT_V2);
976b0388	328	#ifndef OPENSSL_NO_DH
902f7d5c KR	329	DO_TEST(DH, d2i_DHparams, i2d_DHparams, DHparams_print);
902f7d5c KR	330	DO_TEST(DH, d2i_DHxparams, i2d_DHxparams, DHparams_print);
976b0388 BK	331	#endif
976b0388 BK	332	#ifndef OPENSSL_NO_DSA
902f7d5c KR	333	DO_TEST_NO_PRINT(DSA_SIG, d2i_DSA_SIG, i2d_DSA_SIG);
	334	DO_TEST_PRINT_OFFSET(DSA, d2i_DSAPrivateKey, i2d_DSAPrivateKey, DSA_print);
	335	DO_TEST_PRINT_OFFSET(DSA, d2i_DSAPublicKey, i2d_DSAPublicKey, DSA_print);
	336	DO_TEST(DSA, d2i_DSAparams, i2d_DSAparams, DSAparams_print);
976b0388	337	#endif
902f7d5c	338	DO_TEST_PRINT_OFFSET(RSA, d2i_RSAPublicKey, i2d_RSAPublicKey, RSA_print);
976b0388	339	#ifndef OPENSSL_NO_EC
902f7d5c KR	340	DO_TEST_PRINT_OFFSET(EC_GROUP, d2i_ECPKParameters, i2d_ECPKParameters, ECPKParameters_print);
	341	DO_TEST_PRINT_OFFSET(EC_KEY, d2i_ECPrivateKey, i2d_ECPrivateKey, EC_KEY_print);
	342	DO_TEST(EC_KEY, d2i_ECParameters, i2d_ECParameters, ECParameters_print);
	343	DO_TEST_NO_PRINT(ECDSA_SIG, d2i_ECDSA_SIG, i2d_ECDSA_SIG);
976b0388	344	#endif
902f7d5c KR	345	DO_TEST_PRINT_PCTX(EVP_PKEY, d2i_AutoPrivateKey, i2d_PrivateKey, EVP_PKEY_print_private);
	346	DO_TEST(SSL_SESSION, d2i_SSL_SESSION, i2d_SSL_SESSION, SSL_SESSION_print);
	347
231f1337	348	ERR_clear_error();
e10aeee1	349
c38bb727 BL	350	return 0;
c38bb727 BL	351	}
ad4da7fb KR	352
	353	void FuzzerCleanup(void)
	354	{
231f1337	355	ASN1_PCTX_free(pctx);
ad4da7fb	356	}