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c38bb727 BL |
1 | /* |
2 | * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. | |
3 | * | |
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. | |
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> | |
22 | #include <openssl/ec.h> | |
23 | #include <openssl/ocsp.h> | |
24 | #include <openssl/pkcs12.h> | |
25 | #include <openssl/ts.h> | |
26 | #include <openssl/x509v3.h> | |
2980ae2e | 27 | #include <openssl/cms.h> |
c38bb727 BL |
28 | #include "fuzzer.h" |
29 | ||
90d28f05 | 30 | static ASN1_ITEM_EXP *item_type[] = { |
2980ae2e KR |
31 | ASN1_ITEM_ref(ACCESS_DESCRIPTION), |
32 | ASN1_ITEM_ref(ASIdentifierChoice), | |
33 | ASN1_ITEM_ref(ASIdentifiers), | |
34 | ASN1_ITEM_ref(ASIdOrRange), | |
35 | ASN1_ITEM_ref(ASN1_ANY), | |
36 | ASN1_ITEM_ref(ASN1_BIT_STRING), | |
37 | ASN1_ITEM_ref(ASN1_BMPSTRING), | |
38 | ASN1_ITEM_ref(ASN1_BOOLEAN), | |
39 | ASN1_ITEM_ref(ASN1_ENUMERATED), | |
40 | ASN1_ITEM_ref(ASN1_FBOOLEAN), | |
41 | ASN1_ITEM_ref(ASN1_GENERALIZEDTIME), | |
42 | ASN1_ITEM_ref(ASN1_GENERALSTRING), | |
43 | ASN1_ITEM_ref(ASN1_IA5STRING), | |
44 | ASN1_ITEM_ref(ASN1_INTEGER), | |
45 | ASN1_ITEM_ref(ASN1_NULL), | |
46 | ASN1_ITEM_ref(ASN1_OBJECT), | |
47 | ASN1_ITEM_ref(ASN1_OCTET_STRING), | |
48 | ASN1_ITEM_ref(ASN1_OCTET_STRING_NDEF), | |
49 | ASN1_ITEM_ref(ASN1_PRINTABLE), | |
50 | ASN1_ITEM_ref(ASN1_PRINTABLESTRING), | |
90d28f05 | 51 | ASN1_ITEM_ref(ASN1_SEQUENCE), |
2980ae2e KR |
52 | ASN1_ITEM_ref(ASN1_SEQUENCE_ANY), |
53 | ASN1_ITEM_ref(ASN1_SET_ANY), | |
54 | ASN1_ITEM_ref(ASN1_T61STRING), | |
55 | ASN1_ITEM_ref(ASN1_TBOOLEAN), | |
56 | ASN1_ITEM_ref(ASN1_TIME), | |
57 | ASN1_ITEM_ref(ASN1_UNIVERSALSTRING), | |
58 | ASN1_ITEM_ref(ASN1_UTCTIME), | |
59 | ASN1_ITEM_ref(ASN1_UTF8STRING), | |
60 | ASN1_ITEM_ref(ASN1_VISIBLESTRING), | |
61 | ASN1_ITEM_ref(ASRange), | |
90d28f05 | 62 | ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS), |
2980ae2e KR |
63 | ASN1_ITEM_ref(AUTHORITY_KEYID), |
64 | ASN1_ITEM_ref(BASIC_CONSTRAINTS), | |
90d28f05 | 65 | ASN1_ITEM_ref(BIGNUM), |
2980ae2e KR |
66 | ASN1_ITEM_ref(CBIGNUM), |
67 | ASN1_ITEM_ref(CERTIFICATEPOLICIES), | |
68 | ASN1_ITEM_ref(CMS_ContentInfo), | |
69 | ASN1_ITEM_ref(CMS_ReceiptRequest), | |
70 | ASN1_ITEM_ref(CRL_DIST_POINTS), | |
71 | ASN1_ITEM_ref(DHparams), | |
72 | ASN1_ITEM_ref(DIRECTORYSTRING), | |
73 | ASN1_ITEM_ref(DISPLAYTEXT), | |
74 | ASN1_ITEM_ref(DIST_POINT), | |
75 | ASN1_ITEM_ref(DIST_POINT_NAME), | |
d20841c4 | 76 | #ifndef OPENSSL_NO_EC |
90d28f05 BL |
77 | ASN1_ITEM_ref(ECPARAMETERS), |
78 | ASN1_ITEM_ref(ECPKPARAMETERS), | |
d20841c4 | 79 | #endif |
2980ae2e KR |
80 | ASN1_ITEM_ref(EDIPARTYNAME), |
81 | ASN1_ITEM_ref(EXTENDED_KEY_USAGE), | |
90d28f05 | 82 | ASN1_ITEM_ref(GENERAL_NAME), |
2980ae2e | 83 | ASN1_ITEM_ref(GENERAL_NAMES), |
90d28f05 | 84 | ASN1_ITEM_ref(GENERAL_SUBTREE), |
2980ae2e KR |
85 | ASN1_ITEM_ref(IPAddressChoice), |
86 | ASN1_ITEM_ref(IPAddressFamily), | |
87 | ASN1_ITEM_ref(IPAddressOrRange), | |
88 | ASN1_ITEM_ref(IPAddressRange), | |
89 | ASN1_ITEM_ref(ISSUING_DIST_POINT), | |
90 | ASN1_ITEM_ref(LONG), | |
90d28f05 | 91 | ASN1_ITEM_ref(NAME_CONSTRAINTS), |
2980ae2e KR |
92 | ASN1_ITEM_ref(NETSCAPE_CERT_SEQUENCE), |
93 | ASN1_ITEM_ref(NETSCAPE_SPKAC), | |
94 | ASN1_ITEM_ref(NETSCAPE_SPKI), | |
95 | ASN1_ITEM_ref(NOTICEREF), | |
90d28f05 | 96 | ASN1_ITEM_ref(OCSP_BASICRESP), |
2980ae2e KR |
97 | ASN1_ITEM_ref(OCSP_CERTID), |
98 | ASN1_ITEM_ref(OCSP_CERTSTATUS), | |
99 | ASN1_ITEM_ref(OCSP_CRLID), | |
100 | ASN1_ITEM_ref(OCSP_ONEREQ), | |
101 | ASN1_ITEM_ref(OCSP_REQINFO), | |
102 | ASN1_ITEM_ref(OCSP_REQUEST), | |
103 | ASN1_ITEM_ref(OCSP_RESPBYTES), | |
104 | ASN1_ITEM_ref(OCSP_RESPDATA), | |
105 | ASN1_ITEM_ref(OCSP_RESPID), | |
90d28f05 | 106 | ASN1_ITEM_ref(OCSP_RESPONSE), |
2980ae2e KR |
107 | ASN1_ITEM_ref(OCSP_REVOKEDINFO), |
108 | ASN1_ITEM_ref(OCSP_SERVICELOC), | |
109 | ASN1_ITEM_ref(OCSP_SIGNATURE), | |
110 | ASN1_ITEM_ref(OCSP_SINGLERESP), | |
111 | ASN1_ITEM_ref(OTHERNAME), | |
112 | ASN1_ITEM_ref(PBE2PARAM), | |
113 | ASN1_ITEM_ref(PBEPARAM), | |
114 | ASN1_ITEM_ref(PBKDF2PARAM), | |
90d28f05 BL |
115 | ASN1_ITEM_ref(PKCS12), |
116 | ASN1_ITEM_ref(PKCS12_AUTHSAFES), | |
2980ae2e KR |
117 | ASN1_ITEM_ref(PKCS12_BAGS), |
118 | ASN1_ITEM_ref(PKCS12_MAC_DATA), | |
119 | ASN1_ITEM_ref(PKCS12_SAFEBAG), | |
90d28f05 BL |
120 | ASN1_ITEM_ref(PKCS12_SAFEBAGS), |
121 | ASN1_ITEM_ref(PKCS7), | |
122 | ASN1_ITEM_ref(PKCS7_ATTR_SIGN), | |
123 | ASN1_ITEM_ref(PKCS7_ATTR_VERIFY), | |
124 | ASN1_ITEM_ref(PKCS7_DIGEST), | |
125 | ASN1_ITEM_ref(PKCS7_ENC_CONTENT), | |
126 | ASN1_ITEM_ref(PKCS7_ENCRYPT), | |
127 | ASN1_ITEM_ref(PKCS7_ENVELOPE), | |
2980ae2e | 128 | ASN1_ITEM_ref(PKCS7_ISSUER_AND_SERIAL), |
90d28f05 | 129 | ASN1_ITEM_ref(PKCS7_RECIP_INFO), |
90d28f05 | 130 | ASN1_ITEM_ref(PKCS7_SIGNED), |
2980ae2e | 131 | ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE), |
90d28f05 | 132 | ASN1_ITEM_ref(PKCS7_SIGNER_INFO), |
2980ae2e KR |
133 | ASN1_ITEM_ref(PKCS8_PRIV_KEY_INFO), |
134 | ASN1_ITEM_ref(PKEY_USAGE_PERIOD), | |
90d28f05 | 135 | ASN1_ITEM_ref(POLICY_CONSTRAINTS), |
2980ae2e KR |
136 | ASN1_ITEM_ref(POLICYINFO), |
137 | ASN1_ITEM_ref(POLICY_MAPPING), | |
90d28f05 | 138 | ASN1_ITEM_ref(POLICY_MAPPINGS), |
2980ae2e KR |
139 | ASN1_ITEM_ref(POLICYQUALINFO), |
140 | ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION), | |
141 | ASN1_ITEM_ref(PROXY_POLICY), | |
142 | ASN1_ITEM_ref(RSA_OAEP_PARAMS), | |
143 | ASN1_ITEM_ref(RSAPrivateKey), | |
144 | ASN1_ITEM_ref(RSA_PSS_PARAMS), | |
145 | ASN1_ITEM_ref(RSAPublicKey), | |
90d28f05 | 146 | ASN1_ITEM_ref(SXNET), |
2980ae2e | 147 | ASN1_ITEM_ref(SXNETID), |
90d28f05 | 148 | /*ASN1_ITEM_ref(TS_RESP), want to do this, but type is hidden, however d2i exists... */ |
2980ae2e | 149 | ASN1_ITEM_ref(USERNOTICE), |
90d28f05 | 150 | ASN1_ITEM_ref(X509), |
2980ae2e KR |
151 | ASN1_ITEM_ref(X509_ALGOR), |
152 | ASN1_ITEM_ref(X509_ALGORS), | |
153 | ASN1_ITEM_ref(X509_ATTRIBUTE), | |
154 | ASN1_ITEM_ref(X509_CERT_AUX), | |
155 | ASN1_ITEM_ref(X509_CINF), | |
90d28f05 | 156 | ASN1_ITEM_ref(X509_CRL), |
2980ae2e KR |
157 | ASN1_ITEM_ref(X509_CRL_INFO), |
158 | ASN1_ITEM_ref(X509_EXTENSION), | |
159 | ASN1_ITEM_ref(X509_EXTENSIONS), | |
160 | ASN1_ITEM_ref(X509_NAME), | |
161 | ASN1_ITEM_ref(X509_NAME_ENTRY), | |
162 | ASN1_ITEM_ref(X509_PUBKEY), | |
163 | ASN1_ITEM_ref(X509_REQ), | |
164 | ASN1_ITEM_ref(X509_REQ_INFO), | |
165 | ASN1_ITEM_ref(X509_REVOKED), | |
166 | ASN1_ITEM_ref(X509_SIG), | |
167 | ASN1_ITEM_ref(X509_VAL), | |
168 | ASN1_ITEM_ref(ZLONG), | |
e298cb10 BL |
169 | NULL |
170 | }; | |
c38bb727 | 171 | |
90d28f05 BL |
172 | int FuzzerInitialize(int *argc, char ***argv) { |
173 | return 1; | |
174 | } | |
175 | ||
f59d0131 | 176 | int FuzzerTestOneInput(const uint8_t *buf, size_t len) { |
90d28f05 BL |
177 | int n; |
178 | ||
e10aeee1 KR |
179 | ASN1_PCTX *pctx = ASN1_PCTX_new(); |
180 | ||
181 | ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT | | |
182 | ASN1_PCTX_FLAGS_SHOW_SEQUENCE | ASN1_PCTX_FLAGS_SHOW_SSOF | | |
183 | ASN1_PCTX_FLAGS_SHOW_TYPE | ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME); | |
184 | ASN1_PCTX_set_str_flags(pctx, ASN1_STRFLGS_UTF8_CONVERT | | |
185 | ASN1_STRFLGS_SHOW_TYPE | ASN1_STRFLGS_DUMP_ALL); | |
186 | ||
90d28f05 | 187 | for (n = 0; item_type[n] != NULL; ++n) { |
e298cb10 | 188 | const uint8_t *b = buf; |
e10aeee1 | 189 | unsigned char *der = NULL; |
90d28f05 BL |
190 | const ASN1_ITEM *i = ASN1_ITEM_ptr(item_type[n]); |
191 | ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, i); | |
e10aeee1 KR |
192 | |
193 | if (o != NULL) { | |
194 | BIO *bio = BIO_new(BIO_s_null()); | |
195 | ASN1_item_print(bio, o, 4, i, pctx); | |
196 | BIO_free(bio); | |
197 | ||
198 | ASN1_item_i2d(o, &der, i); | |
199 | OPENSSL_free(der); | |
200 | ||
201 | ASN1_item_free(o, i); | |
202 | } | |
e298cb10 | 203 | } |
e10aeee1 KR |
204 | |
205 | ASN1_PCTX_free(pctx); | |
206 | ||
c38bb727 BL |
207 | return 0; |
208 | } |