2 * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL licenses, (the "License");
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.
12 * Fuzz ASN.1 parsing for various data structures. Specify which on the
15 * asn1 <data structure>
20 #include <openssl/asn1.h>
21 #include <openssl/asn1t.h>
22 #include <openssl/dh.h>
23 #include <openssl/ec.h>
24 #include <openssl/ocsp.h>
25 #include <openssl/pkcs12.h>
26 #include <openssl/rsa.h>
27 #include <openssl/ts.h>
28 #include <openssl/x509v3.h>
29 #include <openssl/cms.h>
30 #include <openssl/err.h>
31 #include <openssl/rand.h>
34 static ASN1_ITEM_EXP
*item_type
[] = {
35 ASN1_ITEM_ref(ACCESS_DESCRIPTION
),
36 #ifndef OPENSSL_NO_RFC3779
37 ASN1_ITEM_ref(ASIdentifierChoice
),
38 ASN1_ITEM_ref(ASIdentifiers
),
39 ASN1_ITEM_ref(ASIdOrRange
),
41 ASN1_ITEM_ref(ASN1_ANY
),
42 ASN1_ITEM_ref(ASN1_BIT_STRING
),
43 ASN1_ITEM_ref(ASN1_BMPSTRING
),
44 ASN1_ITEM_ref(ASN1_BOOLEAN
),
45 ASN1_ITEM_ref(ASN1_ENUMERATED
),
46 ASN1_ITEM_ref(ASN1_FBOOLEAN
),
47 ASN1_ITEM_ref(ASN1_GENERALIZEDTIME
),
48 ASN1_ITEM_ref(ASN1_GENERALSTRING
),
49 ASN1_ITEM_ref(ASN1_IA5STRING
),
50 ASN1_ITEM_ref(ASN1_INTEGER
),
51 ASN1_ITEM_ref(ASN1_NULL
),
52 ASN1_ITEM_ref(ASN1_OBJECT
),
53 ASN1_ITEM_ref(ASN1_OCTET_STRING
),
54 ASN1_ITEM_ref(ASN1_OCTET_STRING_NDEF
),
55 ASN1_ITEM_ref(ASN1_PRINTABLE
),
56 ASN1_ITEM_ref(ASN1_PRINTABLESTRING
),
57 ASN1_ITEM_ref(ASN1_SEQUENCE
),
58 ASN1_ITEM_ref(ASN1_SEQUENCE_ANY
),
59 ASN1_ITEM_ref(ASN1_SET_ANY
),
60 ASN1_ITEM_ref(ASN1_T61STRING
),
61 ASN1_ITEM_ref(ASN1_TBOOLEAN
),
62 ASN1_ITEM_ref(ASN1_TIME
),
63 ASN1_ITEM_ref(ASN1_UNIVERSALSTRING
),
64 ASN1_ITEM_ref(ASN1_UTCTIME
),
65 ASN1_ITEM_ref(ASN1_UTF8STRING
),
66 ASN1_ITEM_ref(ASN1_VISIBLESTRING
),
67 #ifndef OPENSSL_NO_RFC3779
68 ASN1_ITEM_ref(ASRange
),
70 ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS
),
71 ASN1_ITEM_ref(AUTHORITY_KEYID
),
72 ASN1_ITEM_ref(BASIC_CONSTRAINTS
),
73 ASN1_ITEM_ref(BIGNUM
),
74 ASN1_ITEM_ref(CBIGNUM
),
75 ASN1_ITEM_ref(CERTIFICATEPOLICIES
),
76 #ifndef OPENSSL_NO_CMS
77 ASN1_ITEM_ref(CMS_ContentInfo
),
78 ASN1_ITEM_ref(CMS_ReceiptRequest
),
79 ASN1_ITEM_ref(CRL_DIST_POINTS
),
82 ASN1_ITEM_ref(DHparams
),
84 ASN1_ITEM_ref(DIRECTORYSTRING
),
85 ASN1_ITEM_ref(DISPLAYTEXT
),
86 ASN1_ITEM_ref(DIST_POINT
),
87 ASN1_ITEM_ref(DIST_POINT_NAME
),
89 ASN1_ITEM_ref(ECPARAMETERS
),
90 ASN1_ITEM_ref(ECPKPARAMETERS
),
92 ASN1_ITEM_ref(EDIPARTYNAME
),
93 ASN1_ITEM_ref(EXTENDED_KEY_USAGE
),
94 ASN1_ITEM_ref(GENERAL_NAME
),
95 ASN1_ITEM_ref(GENERAL_NAMES
),
96 ASN1_ITEM_ref(GENERAL_SUBTREE
),
97 #ifndef OPENSSL_NO_RFC3779
98 ASN1_ITEM_ref(IPAddressChoice
),
99 ASN1_ITEM_ref(IPAddressFamily
),
100 ASN1_ITEM_ref(IPAddressOrRange
),
101 ASN1_ITEM_ref(IPAddressRange
),
103 ASN1_ITEM_ref(ISSUING_DIST_POINT
),
104 #if OPENSSL_API_COMPAT < 0x10200000L
107 ASN1_ITEM_ref(NAME_CONSTRAINTS
),
108 ASN1_ITEM_ref(NETSCAPE_CERT_SEQUENCE
),
109 ASN1_ITEM_ref(NETSCAPE_SPKAC
),
110 ASN1_ITEM_ref(NETSCAPE_SPKI
),
111 ASN1_ITEM_ref(NOTICEREF
),
112 #ifndef OPENSSL_NO_OCSP
113 ASN1_ITEM_ref(OCSP_BASICRESP
),
114 ASN1_ITEM_ref(OCSP_CERTID
),
115 ASN1_ITEM_ref(OCSP_CERTSTATUS
),
116 ASN1_ITEM_ref(OCSP_CRLID
),
117 ASN1_ITEM_ref(OCSP_ONEREQ
),
118 ASN1_ITEM_ref(OCSP_REQINFO
),
119 ASN1_ITEM_ref(OCSP_REQUEST
),
120 ASN1_ITEM_ref(OCSP_RESPBYTES
),
121 ASN1_ITEM_ref(OCSP_RESPDATA
),
122 ASN1_ITEM_ref(OCSP_RESPID
),
123 ASN1_ITEM_ref(OCSP_RESPONSE
),
124 ASN1_ITEM_ref(OCSP_REVOKEDINFO
),
125 ASN1_ITEM_ref(OCSP_SERVICELOC
),
126 ASN1_ITEM_ref(OCSP_SIGNATURE
),
127 ASN1_ITEM_ref(OCSP_SINGLERESP
),
129 ASN1_ITEM_ref(OTHERNAME
),
130 ASN1_ITEM_ref(PBE2PARAM
),
131 ASN1_ITEM_ref(PBEPARAM
),
132 ASN1_ITEM_ref(PBKDF2PARAM
),
133 ASN1_ITEM_ref(PKCS12
),
134 ASN1_ITEM_ref(PKCS12_AUTHSAFES
),
135 ASN1_ITEM_ref(PKCS12_BAGS
),
136 ASN1_ITEM_ref(PKCS12_MAC_DATA
),
137 ASN1_ITEM_ref(PKCS12_SAFEBAG
),
138 ASN1_ITEM_ref(PKCS12_SAFEBAGS
),
139 ASN1_ITEM_ref(PKCS7
),
140 ASN1_ITEM_ref(PKCS7_ATTR_SIGN
),
141 ASN1_ITEM_ref(PKCS7_ATTR_VERIFY
),
142 ASN1_ITEM_ref(PKCS7_DIGEST
),
143 ASN1_ITEM_ref(PKCS7_ENC_CONTENT
),
144 ASN1_ITEM_ref(PKCS7_ENCRYPT
),
145 ASN1_ITEM_ref(PKCS7_ENVELOPE
),
146 ASN1_ITEM_ref(PKCS7_ISSUER_AND_SERIAL
),
147 ASN1_ITEM_ref(PKCS7_RECIP_INFO
),
148 ASN1_ITEM_ref(PKCS7_SIGNED
),
149 ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE
),
150 ASN1_ITEM_ref(PKCS7_SIGNER_INFO
),
151 ASN1_ITEM_ref(PKCS8_PRIV_KEY_INFO
),
152 ASN1_ITEM_ref(PKEY_USAGE_PERIOD
),
153 ASN1_ITEM_ref(POLICY_CONSTRAINTS
),
154 ASN1_ITEM_ref(POLICYINFO
),
155 ASN1_ITEM_ref(POLICY_MAPPING
),
156 ASN1_ITEM_ref(POLICY_MAPPINGS
),
157 ASN1_ITEM_ref(POLICYQUALINFO
),
158 ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION
),
159 ASN1_ITEM_ref(PROXY_POLICY
),
160 ASN1_ITEM_ref(RSA_OAEP_PARAMS
),
161 ASN1_ITEM_ref(RSAPrivateKey
),
162 ASN1_ITEM_ref(RSA_PSS_PARAMS
),
163 ASN1_ITEM_ref(RSAPublicKey
),
164 ASN1_ITEM_ref(SXNET
),
165 ASN1_ITEM_ref(SXNETID
),
166 /*ASN1_ITEM_ref(TS_RESP), want to do this, but type is hidden, however d2i exists... */
167 ASN1_ITEM_ref(USERNOTICE
),
169 ASN1_ITEM_ref(X509_ALGOR
),
170 ASN1_ITEM_ref(X509_ALGORS
),
171 ASN1_ITEM_ref(X509_ATTRIBUTE
),
172 ASN1_ITEM_ref(X509_CERT_AUX
),
173 ASN1_ITEM_ref(X509_CINF
),
174 ASN1_ITEM_ref(X509_CRL
),
175 ASN1_ITEM_ref(X509_CRL_INFO
),
176 ASN1_ITEM_ref(X509_EXTENSION
),
177 ASN1_ITEM_ref(X509_EXTENSIONS
),
178 ASN1_ITEM_ref(X509_NAME
),
179 ASN1_ITEM_ref(X509_NAME_ENTRY
),
180 ASN1_ITEM_ref(X509_PUBKEY
),
181 ASN1_ITEM_ref(X509_REQ
),
182 ASN1_ITEM_ref(X509_REQ_INFO
),
183 ASN1_ITEM_ref(X509_REVOKED
),
184 ASN1_ITEM_ref(X509_SIG
),
185 ASN1_ITEM_ref(X509_VAL
),
186 #if OPENSSL_API_COMPAT < 0x10200000L
187 ASN1_ITEM_ref(ZLONG
),
189 ASN1_ITEM_ref(INT32
),
190 ASN1_ITEM_ref(ZINT32
),
191 ASN1_ITEM_ref(UINT32
),
192 ASN1_ITEM_ref(ZUINT32
),
193 ASN1_ITEM_ref(INT64
),
194 ASN1_ITEM_ref(ZINT64
),
195 ASN1_ITEM_ref(UINT64
),
196 ASN1_ITEM_ref(ZUINT64
),
200 static ASN1_PCTX
*pctx
;
202 int FuzzerInitialize(int *argc
, char ***argv
)
204 pctx
= ASN1_PCTX_new();
205 ASN1_PCTX_set_flags(pctx
, ASN1_PCTX_FLAGS_SHOW_ABSENT
|
206 ASN1_PCTX_FLAGS_SHOW_SEQUENCE
| ASN1_PCTX_FLAGS_SHOW_SSOF
|
207 ASN1_PCTX_FLAGS_SHOW_TYPE
| ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME
);
208 ASN1_PCTX_set_str_flags(pctx
, ASN1_STRFLGS_UTF8_CONVERT
|
209 ASN1_STRFLGS_SHOW_TYPE
| ASN1_STRFLGS_DUMP_ALL
);
211 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS
, NULL
);
213 CRYPTO_free_ex_index(0, -1);
219 int FuzzerTestOneInput(const uint8_t *buf
, size_t len
)
224 for (n
= 0; item_type
[n
] != NULL
; ++n
) {
225 const uint8_t *b
= buf
;
226 unsigned char *der
= NULL
;
227 const ASN1_ITEM
*i
= ASN1_ITEM_ptr(item_type
[n
]);
228 ASN1_VALUE
*o
= ASN1_item_d2i(NULL
, &b
, len
, i
);
231 BIO
*bio
= BIO_new(BIO_s_null());
232 ASN1_item_print(bio
, o
, 4, i
, pctx
);
235 ASN1_item_i2d(o
, &der
, i
);
238 ASN1_item_free(o
, i
);
247 void FuzzerCleanup(void)
249 ASN1_PCTX_free(pctx
);