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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> | |
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> |
28 | #include <openssl/x509v3.h> | |
2980ae2e | 29 | #include <openssl/cms.h> |
231f1337 | 30 | #include <openssl/err.h> |
c38bb727 BL |
31 | #include "fuzzer.h" |
32 | ||
90d28f05 | 33 | static ASN1_ITEM_EXP *item_type[] = { |
2980ae2e | 34 | ASN1_ITEM_ref(ACCESS_DESCRIPTION), |
620c6ad3 | 35 | #ifndef OPENSSL_NO_RFC3779 |
2980ae2e KR |
36 | ASN1_ITEM_ref(ASIdentifierChoice), |
37 | ASN1_ITEM_ref(ASIdentifiers), | |
38 | ASN1_ITEM_ref(ASIdOrRange), | |
620c6ad3 | 39 | #endif |
2980ae2e KR |
40 | ASN1_ITEM_ref(ASN1_ANY), |
41 | ASN1_ITEM_ref(ASN1_BIT_STRING), | |
42 | ASN1_ITEM_ref(ASN1_BMPSTRING), | |
43 | ASN1_ITEM_ref(ASN1_BOOLEAN), | |
44 | ASN1_ITEM_ref(ASN1_ENUMERATED), | |
45 | ASN1_ITEM_ref(ASN1_FBOOLEAN), | |
46 | ASN1_ITEM_ref(ASN1_GENERALIZEDTIME), | |
47 | ASN1_ITEM_ref(ASN1_GENERALSTRING), | |
48 | ASN1_ITEM_ref(ASN1_IA5STRING), | |
49 | ASN1_ITEM_ref(ASN1_INTEGER), | |
50 | ASN1_ITEM_ref(ASN1_NULL), | |
51 | ASN1_ITEM_ref(ASN1_OBJECT), | |
52 | ASN1_ITEM_ref(ASN1_OCTET_STRING), | |
53 | ASN1_ITEM_ref(ASN1_OCTET_STRING_NDEF), | |
54 | ASN1_ITEM_ref(ASN1_PRINTABLE), | |
55 | ASN1_ITEM_ref(ASN1_PRINTABLESTRING), | |
90d28f05 | 56 | ASN1_ITEM_ref(ASN1_SEQUENCE), |
2980ae2e KR |
57 | ASN1_ITEM_ref(ASN1_SEQUENCE_ANY), |
58 | ASN1_ITEM_ref(ASN1_SET_ANY), | |
59 | ASN1_ITEM_ref(ASN1_T61STRING), | |
60 | ASN1_ITEM_ref(ASN1_TBOOLEAN), | |
61 | ASN1_ITEM_ref(ASN1_TIME), | |
62 | ASN1_ITEM_ref(ASN1_UNIVERSALSTRING), | |
63 | ASN1_ITEM_ref(ASN1_UTCTIME), | |
64 | ASN1_ITEM_ref(ASN1_UTF8STRING), | |
65 | ASN1_ITEM_ref(ASN1_VISIBLESTRING), | |
620c6ad3 | 66 | #ifndef OPENSSL_NO_RFC3779 |
2980ae2e | 67 | ASN1_ITEM_ref(ASRange), |
620c6ad3 | 68 | #endif |
90d28f05 | 69 | ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS), |
2980ae2e KR |
70 | ASN1_ITEM_ref(AUTHORITY_KEYID), |
71 | ASN1_ITEM_ref(BASIC_CONSTRAINTS), | |
90d28f05 | 72 | ASN1_ITEM_ref(BIGNUM), |
2980ae2e KR |
73 | ASN1_ITEM_ref(CBIGNUM), |
74 | ASN1_ITEM_ref(CERTIFICATEPOLICIES), | |
620c6ad3 | 75 | #ifndef OPENSSL_NO_CMS |
2980ae2e KR |
76 | ASN1_ITEM_ref(CMS_ContentInfo), |
77 | ASN1_ITEM_ref(CMS_ReceiptRequest), | |
78 | ASN1_ITEM_ref(CRL_DIST_POINTS), | |
620c6ad3 BL |
79 | #endif |
80 | #ifndef OPENSSL_NO_DH | |
2980ae2e | 81 | ASN1_ITEM_ref(DHparams), |
620c6ad3 | 82 | #endif |
2980ae2e KR |
83 | ASN1_ITEM_ref(DIRECTORYSTRING), |
84 | ASN1_ITEM_ref(DISPLAYTEXT), | |
85 | ASN1_ITEM_ref(DIST_POINT), | |
86 | ASN1_ITEM_ref(DIST_POINT_NAME), | |
d20841c4 | 87 | #ifndef OPENSSL_NO_EC |
90d28f05 BL |
88 | ASN1_ITEM_ref(ECPARAMETERS), |
89 | ASN1_ITEM_ref(ECPKPARAMETERS), | |
d20841c4 | 90 | #endif |
2980ae2e KR |
91 | ASN1_ITEM_ref(EDIPARTYNAME), |
92 | ASN1_ITEM_ref(EXTENDED_KEY_USAGE), | |
90d28f05 | 93 | ASN1_ITEM_ref(GENERAL_NAME), |
2980ae2e | 94 | ASN1_ITEM_ref(GENERAL_NAMES), |
90d28f05 | 95 | ASN1_ITEM_ref(GENERAL_SUBTREE), |
620c6ad3 | 96 | #ifndef OPENSSL_NO_RFC3779 |
2980ae2e KR |
97 | ASN1_ITEM_ref(IPAddressChoice), |
98 | ASN1_ITEM_ref(IPAddressFamily), | |
99 | ASN1_ITEM_ref(IPAddressOrRange), | |
100 | ASN1_ITEM_ref(IPAddressRange), | |
620c6ad3 | 101 | #endif |
2980ae2e KR |
102 | ASN1_ITEM_ref(ISSUING_DIST_POINT), |
103 | ASN1_ITEM_ref(LONG), | |
90d28f05 | 104 | ASN1_ITEM_ref(NAME_CONSTRAINTS), |
2980ae2e KR |
105 | ASN1_ITEM_ref(NETSCAPE_CERT_SEQUENCE), |
106 | ASN1_ITEM_ref(NETSCAPE_SPKAC), | |
107 | ASN1_ITEM_ref(NETSCAPE_SPKI), | |
108 | ASN1_ITEM_ref(NOTICEREF), | |
620c6ad3 | 109 | #ifndef OPENSSL_NO_OCSP |
90d28f05 | 110 | ASN1_ITEM_ref(OCSP_BASICRESP), |
2980ae2e KR |
111 | ASN1_ITEM_ref(OCSP_CERTID), |
112 | ASN1_ITEM_ref(OCSP_CERTSTATUS), | |
113 | ASN1_ITEM_ref(OCSP_CRLID), | |
114 | ASN1_ITEM_ref(OCSP_ONEREQ), | |
115 | ASN1_ITEM_ref(OCSP_REQINFO), | |
116 | ASN1_ITEM_ref(OCSP_REQUEST), | |
117 | ASN1_ITEM_ref(OCSP_RESPBYTES), | |
118 | ASN1_ITEM_ref(OCSP_RESPDATA), | |
119 | ASN1_ITEM_ref(OCSP_RESPID), | |
90d28f05 | 120 | ASN1_ITEM_ref(OCSP_RESPONSE), |
2980ae2e KR |
121 | ASN1_ITEM_ref(OCSP_REVOKEDINFO), |
122 | ASN1_ITEM_ref(OCSP_SERVICELOC), | |
123 | ASN1_ITEM_ref(OCSP_SIGNATURE), | |
124 | ASN1_ITEM_ref(OCSP_SINGLERESP), | |
620c6ad3 | 125 | #endif |
2980ae2e KR |
126 | ASN1_ITEM_ref(OTHERNAME), |
127 | ASN1_ITEM_ref(PBE2PARAM), | |
128 | ASN1_ITEM_ref(PBEPARAM), | |
129 | ASN1_ITEM_ref(PBKDF2PARAM), | |
90d28f05 BL |
130 | ASN1_ITEM_ref(PKCS12), |
131 | ASN1_ITEM_ref(PKCS12_AUTHSAFES), | |
2980ae2e KR |
132 | ASN1_ITEM_ref(PKCS12_BAGS), |
133 | ASN1_ITEM_ref(PKCS12_MAC_DATA), | |
134 | ASN1_ITEM_ref(PKCS12_SAFEBAG), | |
90d28f05 BL |
135 | ASN1_ITEM_ref(PKCS12_SAFEBAGS), |
136 | ASN1_ITEM_ref(PKCS7), | |
137 | ASN1_ITEM_ref(PKCS7_ATTR_SIGN), | |
138 | ASN1_ITEM_ref(PKCS7_ATTR_VERIFY), | |
139 | ASN1_ITEM_ref(PKCS7_DIGEST), | |
140 | ASN1_ITEM_ref(PKCS7_ENC_CONTENT), | |
141 | ASN1_ITEM_ref(PKCS7_ENCRYPT), | |
142 | ASN1_ITEM_ref(PKCS7_ENVELOPE), | |
2980ae2e | 143 | ASN1_ITEM_ref(PKCS7_ISSUER_AND_SERIAL), |
90d28f05 | 144 | ASN1_ITEM_ref(PKCS7_RECIP_INFO), |
90d28f05 | 145 | ASN1_ITEM_ref(PKCS7_SIGNED), |
2980ae2e | 146 | ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE), |
90d28f05 | 147 | ASN1_ITEM_ref(PKCS7_SIGNER_INFO), |
2980ae2e KR |
148 | ASN1_ITEM_ref(PKCS8_PRIV_KEY_INFO), |
149 | ASN1_ITEM_ref(PKEY_USAGE_PERIOD), | |
90d28f05 | 150 | ASN1_ITEM_ref(POLICY_CONSTRAINTS), |
2980ae2e KR |
151 | ASN1_ITEM_ref(POLICYINFO), |
152 | ASN1_ITEM_ref(POLICY_MAPPING), | |
90d28f05 | 153 | ASN1_ITEM_ref(POLICY_MAPPINGS), |
2980ae2e KR |
154 | ASN1_ITEM_ref(POLICYQUALINFO), |
155 | ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION), | |
156 | ASN1_ITEM_ref(PROXY_POLICY), | |
157 | ASN1_ITEM_ref(RSA_OAEP_PARAMS), | |
158 | ASN1_ITEM_ref(RSAPrivateKey), | |
159 | ASN1_ITEM_ref(RSA_PSS_PARAMS), | |
160 | ASN1_ITEM_ref(RSAPublicKey), | |
90d28f05 | 161 | ASN1_ITEM_ref(SXNET), |
2980ae2e | 162 | ASN1_ITEM_ref(SXNETID), |
90d28f05 | 163 | /*ASN1_ITEM_ref(TS_RESP), want to do this, but type is hidden, however d2i exists... */ |
2980ae2e | 164 | ASN1_ITEM_ref(USERNOTICE), |
90d28f05 | 165 | ASN1_ITEM_ref(X509), |
2980ae2e KR |
166 | ASN1_ITEM_ref(X509_ALGOR), |
167 | ASN1_ITEM_ref(X509_ALGORS), | |
168 | ASN1_ITEM_ref(X509_ATTRIBUTE), | |
169 | ASN1_ITEM_ref(X509_CERT_AUX), | |
170 | ASN1_ITEM_ref(X509_CINF), | |
90d28f05 | 171 | ASN1_ITEM_ref(X509_CRL), |
2980ae2e KR |
172 | ASN1_ITEM_ref(X509_CRL_INFO), |
173 | ASN1_ITEM_ref(X509_EXTENSION), | |
174 | ASN1_ITEM_ref(X509_EXTENSIONS), | |
175 | ASN1_ITEM_ref(X509_NAME), | |
176 | ASN1_ITEM_ref(X509_NAME_ENTRY), | |
177 | ASN1_ITEM_ref(X509_PUBKEY), | |
178 | ASN1_ITEM_ref(X509_REQ), | |
179 | ASN1_ITEM_ref(X509_REQ_INFO), | |
180 | ASN1_ITEM_ref(X509_REVOKED), | |
181 | ASN1_ITEM_ref(X509_SIG), | |
182 | ASN1_ITEM_ref(X509_VAL), | |
183 | ASN1_ITEM_ref(ZLONG), | |
e298cb10 BL |
184 | NULL |
185 | }; | |
c38bb727 | 186 | |
231f1337 KR |
187 | static ASN1_PCTX *pctx; |
188 | ||
f3e911d5 KR |
189 | int FuzzerInitialize(int *argc, char ***argv) |
190 | { | |
231f1337 KR |
191 | pctx = ASN1_PCTX_new(); |
192 | ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT | | |
193 | ASN1_PCTX_FLAGS_SHOW_SEQUENCE | ASN1_PCTX_FLAGS_SHOW_SSOF | | |
194 | ASN1_PCTX_FLAGS_SHOW_TYPE | ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME); | |
195 | ASN1_PCTX_set_str_flags(pctx, ASN1_STRFLGS_UTF8_CONVERT | | |
196 | ASN1_STRFLGS_SHOW_TYPE | ASN1_STRFLGS_DUMP_ALL); | |
197 | ||
198 | OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL); | |
199 | ERR_get_state(); | |
200 | CRYPTO_free_ex_index(0, -1); | |
201 | ||
90d28f05 BL |
202 | return 1; |
203 | } | |
204 | ||
f3e911d5 KR |
205 | int FuzzerTestOneInput(const uint8_t *buf, size_t len) |
206 | { | |
90d28f05 BL |
207 | int n; |
208 | ||
e10aeee1 | 209 | |
90d28f05 | 210 | for (n = 0; item_type[n] != NULL; ++n) { |
e298cb10 | 211 | const uint8_t *b = buf; |
e10aeee1 | 212 | unsigned char *der = NULL; |
90d28f05 BL |
213 | const ASN1_ITEM *i = ASN1_ITEM_ptr(item_type[n]); |
214 | ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, i); | |
e10aeee1 KR |
215 | |
216 | if (o != NULL) { | |
217 | BIO *bio = BIO_new(BIO_s_null()); | |
218 | ASN1_item_print(bio, o, 4, i, pctx); | |
219 | BIO_free(bio); | |
220 | ||
221 | ASN1_item_i2d(o, &der, i); | |
222 | OPENSSL_free(der); | |
223 | ||
224 | ASN1_item_free(o, i); | |
225 | } | |
e298cb10 | 226 | } |
e10aeee1 | 227 | |
231f1337 | 228 | ERR_clear_error(); |
e10aeee1 | 229 | |
c38bb727 BL |
230 | return 0; |
231 | } | |
ad4da7fb KR |
232 | |
233 | void FuzzerCleanup(void) | |
234 | { | |
231f1337 | 235 | ASN1_PCTX_free(pctx); |
ad4da7fb | 236 | } |