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80 lines
2.2 KiB
C
80 lines
2.2 KiB
C
/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL licenses, (the "License");
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* you may not use this file except in compliance with the License.
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* You may obtain a copy of the License at
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* https://www.openssl.org/source/license.html
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* or in the file LICENSE in the source distribution.
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*/
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/*
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* Fuzz ASN.1 parsing for various data structures. Specify which on the
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* command line:
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*
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* asn1 <data structure>
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*/
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#include <stdio.h>
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#include <string.h>
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#include <openssl/asn1.h>
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#include <openssl/asn1t.h>
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#include <openssl/ec.h>
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#include <openssl/ocsp.h>
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#include <openssl/pkcs12.h>
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#include <openssl/ts.h>
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#include <openssl/x509v3.h>
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#include "fuzzer.h"
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static ASN1_ITEM_EXP *item_type[] = {
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ASN1_ITEM_ref(ASN1_SEQUENCE),
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ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
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ASN1_ITEM_ref(BIGNUM),
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#ifndef OPENSSL_NO_EC
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ASN1_ITEM_ref(ECPARAMETERS),
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ASN1_ITEM_ref(ECPKPARAMETERS),
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#endif
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ASN1_ITEM_ref(GENERAL_NAME),
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ASN1_ITEM_ref(GENERAL_SUBTREE),
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ASN1_ITEM_ref(NAME_CONSTRAINTS),
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ASN1_ITEM_ref(OCSP_BASICRESP),
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ASN1_ITEM_ref(OCSP_RESPONSE),
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ASN1_ITEM_ref(PKCS12),
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ASN1_ITEM_ref(PKCS12_AUTHSAFES),
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ASN1_ITEM_ref(PKCS12_SAFEBAGS),
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ASN1_ITEM_ref(PKCS7),
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ASN1_ITEM_ref(PKCS7_ATTR_SIGN),
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ASN1_ITEM_ref(PKCS7_ATTR_VERIFY),
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ASN1_ITEM_ref(PKCS7_DIGEST),
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ASN1_ITEM_ref(PKCS7_ENC_CONTENT),
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ASN1_ITEM_ref(PKCS7_ENCRYPT),
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ASN1_ITEM_ref(PKCS7_ENVELOPE),
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ASN1_ITEM_ref(PKCS7_RECIP_INFO),
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ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE),
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ASN1_ITEM_ref(PKCS7_SIGNED),
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ASN1_ITEM_ref(PKCS7_SIGNER_INFO),
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ASN1_ITEM_ref(POLICY_CONSTRAINTS),
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ASN1_ITEM_ref(POLICY_MAPPINGS),
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ASN1_ITEM_ref(SXNET),
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/*ASN1_ITEM_ref(TS_RESP), want to do this, but type is hidden, however d2i exists... */
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ASN1_ITEM_ref(X509),
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ASN1_ITEM_ref(X509_CRL),
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NULL
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};
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int FuzzerInitialize(int *argc, char ***argv) {
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return 1;
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}
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int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
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int n;
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for (n = 0; item_type[n] != NULL; ++n) {
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const uint8_t *b = buf;
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const ASN1_ITEM *i = ASN1_ITEM_ptr(item_type[n]);
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ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, i);
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ASN1_item_free(o, i);
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}
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return 0;
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}
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