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>
32 static ASN1_ITEM_EXP *item_type[] = {
33 ASN1_ITEM_ref(ACCESS_DESCRIPTION),
34 #ifndef OPENSSL_NO_RFC3779
35 ASN1_ITEM_ref(ASIdentifierChoice),
36 ASN1_ITEM_ref(ASIdentifiers),
37 ASN1_ITEM_ref(ASIdOrRange),
39 ASN1_ITEM_ref(ASN1_ANY),
40 ASN1_ITEM_ref(ASN1_BIT_STRING),
41 ASN1_ITEM_ref(ASN1_BMPSTRING),
42 ASN1_ITEM_ref(ASN1_BOOLEAN),
43 ASN1_ITEM_ref(ASN1_ENUMERATED),
44 ASN1_ITEM_ref(ASN1_FBOOLEAN),
45 ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
46 ASN1_ITEM_ref(ASN1_GENERALSTRING),
47 ASN1_ITEM_ref(ASN1_IA5STRING),
48 ASN1_ITEM_ref(ASN1_INTEGER),
49 ASN1_ITEM_ref(ASN1_NULL),
50 ASN1_ITEM_ref(ASN1_OBJECT),
51 ASN1_ITEM_ref(ASN1_OCTET_STRING),
52 ASN1_ITEM_ref(ASN1_OCTET_STRING_NDEF),
53 ASN1_ITEM_ref(ASN1_PRINTABLE),
54 ASN1_ITEM_ref(ASN1_PRINTABLESTRING),
55 ASN1_ITEM_ref(ASN1_SEQUENCE),
56 ASN1_ITEM_ref(ASN1_SEQUENCE_ANY),
57 ASN1_ITEM_ref(ASN1_SET_ANY),
58 ASN1_ITEM_ref(ASN1_T61STRING),
59 ASN1_ITEM_ref(ASN1_TBOOLEAN),
60 ASN1_ITEM_ref(ASN1_TIME),
61 ASN1_ITEM_ref(ASN1_UNIVERSALSTRING),
62 ASN1_ITEM_ref(ASN1_UTCTIME),
63 ASN1_ITEM_ref(ASN1_UTF8STRING),
64 ASN1_ITEM_ref(ASN1_VISIBLESTRING),
65 #ifndef OPENSSL_NO_RFC3779
66 ASN1_ITEM_ref(ASRange),
68 ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
69 ASN1_ITEM_ref(AUTHORITY_KEYID),
70 ASN1_ITEM_ref(BASIC_CONSTRAINTS),
71 ASN1_ITEM_ref(BIGNUM),
72 ASN1_ITEM_ref(CBIGNUM),
73 ASN1_ITEM_ref(CERTIFICATEPOLICIES),
74 #ifndef OPENSSL_NO_CMS
75 ASN1_ITEM_ref(CMS_ContentInfo),
76 ASN1_ITEM_ref(CMS_ReceiptRequest),
77 ASN1_ITEM_ref(CRL_DIST_POINTS),
80 ASN1_ITEM_ref(DHparams),
82 ASN1_ITEM_ref(DIRECTORYSTRING),
83 ASN1_ITEM_ref(DISPLAYTEXT),
84 ASN1_ITEM_ref(DIST_POINT),
85 ASN1_ITEM_ref(DIST_POINT_NAME),
87 ASN1_ITEM_ref(ECPARAMETERS),
88 ASN1_ITEM_ref(ECPKPARAMETERS),
90 ASN1_ITEM_ref(EDIPARTYNAME),
91 ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
92 ASN1_ITEM_ref(GENERAL_NAME),
93 ASN1_ITEM_ref(GENERAL_NAMES),
94 ASN1_ITEM_ref(GENERAL_SUBTREE),
95 #ifndef OPENSSL_NO_RFC3779
96 ASN1_ITEM_ref(IPAddressChoice),
97 ASN1_ITEM_ref(IPAddressFamily),
98 ASN1_ITEM_ref(IPAddressOrRange),
99 ASN1_ITEM_ref(IPAddressRange),
101 ASN1_ITEM_ref(ISSUING_DIST_POINT),
103 ASN1_ITEM_ref(NAME_CONSTRAINTS),
104 ASN1_ITEM_ref(NETSCAPE_CERT_SEQUENCE),
105 ASN1_ITEM_ref(NETSCAPE_SPKAC),
106 ASN1_ITEM_ref(NETSCAPE_SPKI),
107 ASN1_ITEM_ref(NOTICEREF),
108 #ifndef OPENSSL_NO_OCSP
109 ASN1_ITEM_ref(OCSP_BASICRESP),
110 ASN1_ITEM_ref(OCSP_CERTID),
111 ASN1_ITEM_ref(OCSP_CERTSTATUS),
112 ASN1_ITEM_ref(OCSP_CRLID),
113 ASN1_ITEM_ref(OCSP_ONEREQ),
114 ASN1_ITEM_ref(OCSP_REQINFO),
115 ASN1_ITEM_ref(OCSP_REQUEST),
116 ASN1_ITEM_ref(OCSP_RESPBYTES),
117 ASN1_ITEM_ref(OCSP_RESPDATA),
118 ASN1_ITEM_ref(OCSP_RESPID),
119 ASN1_ITEM_ref(OCSP_RESPONSE),
120 ASN1_ITEM_ref(OCSP_REVOKEDINFO),
121 ASN1_ITEM_ref(OCSP_SERVICELOC),
122 ASN1_ITEM_ref(OCSP_SIGNATURE),
123 ASN1_ITEM_ref(OCSP_SINGLERESP),
125 ASN1_ITEM_ref(OTHERNAME),
126 ASN1_ITEM_ref(PBE2PARAM),
127 ASN1_ITEM_ref(PBEPARAM),
128 ASN1_ITEM_ref(PBKDF2PARAM),
129 ASN1_ITEM_ref(PKCS12),
130 ASN1_ITEM_ref(PKCS12_AUTHSAFES),
131 ASN1_ITEM_ref(PKCS12_BAGS),
132 ASN1_ITEM_ref(PKCS12_MAC_DATA),
133 ASN1_ITEM_ref(PKCS12_SAFEBAG),
134 ASN1_ITEM_ref(PKCS12_SAFEBAGS),
135 ASN1_ITEM_ref(PKCS7),
136 ASN1_ITEM_ref(PKCS7_ATTR_SIGN),
137 ASN1_ITEM_ref(PKCS7_ATTR_VERIFY),
138 ASN1_ITEM_ref(PKCS7_DIGEST),
139 ASN1_ITEM_ref(PKCS7_ENC_CONTENT),
140 ASN1_ITEM_ref(PKCS7_ENCRYPT),
141 ASN1_ITEM_ref(PKCS7_ENVELOPE),
142 ASN1_ITEM_ref(PKCS7_ISSUER_AND_SERIAL),
143 ASN1_ITEM_ref(PKCS7_RECIP_INFO),
144 ASN1_ITEM_ref(PKCS7_SIGNED),
145 ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE),
146 ASN1_ITEM_ref(PKCS7_SIGNER_INFO),
147 ASN1_ITEM_ref(PKCS8_PRIV_KEY_INFO),
148 ASN1_ITEM_ref(PKEY_USAGE_PERIOD),
149 ASN1_ITEM_ref(POLICY_CONSTRAINTS),
150 ASN1_ITEM_ref(POLICYINFO),
151 ASN1_ITEM_ref(POLICY_MAPPING),
152 ASN1_ITEM_ref(POLICY_MAPPINGS),
153 ASN1_ITEM_ref(POLICYQUALINFO),
154 ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
155 ASN1_ITEM_ref(PROXY_POLICY),
156 ASN1_ITEM_ref(RSA_OAEP_PARAMS),
157 ASN1_ITEM_ref(RSAPrivateKey),
158 ASN1_ITEM_ref(RSA_PSS_PARAMS),
159 ASN1_ITEM_ref(RSAPublicKey),
160 ASN1_ITEM_ref(SXNET),
161 ASN1_ITEM_ref(SXNETID),
162 /*ASN1_ITEM_ref(TS_RESP), want to do this, but type is hidden, however d2i exists... */
163 ASN1_ITEM_ref(USERNOTICE),
165 ASN1_ITEM_ref(X509_ALGOR),
166 ASN1_ITEM_ref(X509_ALGORS),
167 ASN1_ITEM_ref(X509_ATTRIBUTE),
168 ASN1_ITEM_ref(X509_CERT_AUX),
169 ASN1_ITEM_ref(X509_CINF),
170 ASN1_ITEM_ref(X509_CRL),
171 ASN1_ITEM_ref(X509_CRL_INFO),
172 ASN1_ITEM_ref(X509_EXTENSION),
173 ASN1_ITEM_ref(X509_EXTENSIONS),
174 ASN1_ITEM_ref(X509_NAME),
175 ASN1_ITEM_ref(X509_NAME_ENTRY),
176 ASN1_ITEM_ref(X509_PUBKEY),
177 ASN1_ITEM_ref(X509_REQ),
178 ASN1_ITEM_ref(X509_REQ_INFO),
179 ASN1_ITEM_ref(X509_REVOKED),
180 ASN1_ITEM_ref(X509_SIG),
181 ASN1_ITEM_ref(X509_VAL),
182 ASN1_ITEM_ref(ZLONG),
186 int FuzzerInitialize(int *argc, char ***argv) {
190 int FuzzerTestOneInput(const uint8_t *buf, size_t len) {
193 ASN1_PCTX *pctx = ASN1_PCTX_new();
195 ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT |
196 ASN1_PCTX_FLAGS_SHOW_SEQUENCE | ASN1_PCTX_FLAGS_SHOW_SSOF |
197 ASN1_PCTX_FLAGS_SHOW_TYPE | ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME);
198 ASN1_PCTX_set_str_flags(pctx, ASN1_STRFLGS_UTF8_CONVERT |
199 ASN1_STRFLGS_SHOW_TYPE | ASN1_STRFLGS_DUMP_ALL);
201 for (n = 0; item_type[n] != NULL; ++n) {
202 const uint8_t *b = buf;
203 unsigned char *der = NULL;
204 const ASN1_ITEM *i = ASN1_ITEM_ptr(item_type[n]);
205 ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, i);
208 BIO *bio = BIO_new(BIO_s_null());
209 ASN1_item_print(bio, o, 4, i, pctx);
212 ASN1_item_i2d(o, &der, i);
215 ASN1_item_free(o, i);
219 ASN1_PCTX_free(pctx);