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source: vbox/trunk/src/libs/openssl-3.0.3/fuzz/asn1.c@ 95288

Last change on this file since 95288 was 94404, checked in by vboxsync, 3 years ago

libs/openssl: Update to 3.0.2 and switch to it, bugref:10128

File size: 11.3 KB
Line 
1/*
2 * Copyright 2016-2022 The OpenSSL Project Authors. All Rights Reserved.
3 *
4 * Licensed under the Apache License 2.0 (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/* We need to use some deprecated APIs */
19#define OPENSSL_SUPPRESS_DEPRECATED
20
21#include <stdio.h>
22#include <string.h>
23#include <openssl/asn1.h>
24#include <openssl/asn1t.h>
25#include <openssl/dh.h>
26#include <openssl/dsa.h>
27#include <openssl/ec.h>
28#include <openssl/ocsp.h>
29#include <openssl/pkcs12.h>
30#include <openssl/rsa.h>
31#include <openssl/ts.h>
32#include <openssl/x509v3.h>
33#include <openssl/cms.h>
34#include <openssl/ess.h>
35#include <openssl/err.h>
36#include <openssl/rand.h>
37#include <openssl/bio.h>
38#include <openssl/evp.h>
39#include <openssl/ssl.h>
40#include "internal/nelem.h"
41#include "fuzzer.h"
42
43static ASN1_ITEM_EXP *item_type[] = {
44 ASN1_ITEM_ref(ACCESS_DESCRIPTION),
45#ifndef OPENSSL_NO_RFC3779
46 ASN1_ITEM_ref(ASIdentifierChoice),
47 ASN1_ITEM_ref(ASIdentifiers),
48 ASN1_ITEM_ref(ASIdOrRange),
49#endif
50 ASN1_ITEM_ref(ASN1_ANY),
51 ASN1_ITEM_ref(ASN1_BIT_STRING),
52 ASN1_ITEM_ref(ASN1_BMPSTRING),
53 ASN1_ITEM_ref(ASN1_BOOLEAN),
54 ASN1_ITEM_ref(ASN1_ENUMERATED),
55 ASN1_ITEM_ref(ASN1_FBOOLEAN),
56 ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
57 ASN1_ITEM_ref(ASN1_GENERALSTRING),
58 ASN1_ITEM_ref(ASN1_IA5STRING),
59 ASN1_ITEM_ref(ASN1_INTEGER),
60 ASN1_ITEM_ref(ASN1_NULL),
61 ASN1_ITEM_ref(ASN1_OBJECT),
62 ASN1_ITEM_ref(ASN1_OCTET_STRING),
63 ASN1_ITEM_ref(ASN1_OCTET_STRING_NDEF),
64 ASN1_ITEM_ref(ASN1_PRINTABLE),
65 ASN1_ITEM_ref(ASN1_PRINTABLESTRING),
66 ASN1_ITEM_ref(ASN1_SEQUENCE),
67 ASN1_ITEM_ref(ASN1_SEQUENCE_ANY),
68 ASN1_ITEM_ref(ASN1_SET_ANY),
69 ASN1_ITEM_ref(ASN1_T61STRING),
70 ASN1_ITEM_ref(ASN1_TBOOLEAN),
71 ASN1_ITEM_ref(ASN1_TIME),
72 ASN1_ITEM_ref(ASN1_UNIVERSALSTRING),
73 ASN1_ITEM_ref(ASN1_UTCTIME),
74 ASN1_ITEM_ref(ASN1_UTF8STRING),
75 ASN1_ITEM_ref(ASN1_VISIBLESTRING),
76#ifndef OPENSSL_NO_RFC3779
77 ASN1_ITEM_ref(ASRange),
78#endif
79 ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
80 ASN1_ITEM_ref(AUTHORITY_KEYID),
81 ASN1_ITEM_ref(BASIC_CONSTRAINTS),
82 ASN1_ITEM_ref(BIGNUM),
83 ASN1_ITEM_ref(CBIGNUM),
84 ASN1_ITEM_ref(CERTIFICATEPOLICIES),
85#ifndef OPENSSL_NO_CMS
86 ASN1_ITEM_ref(CMS_ContentInfo),
87 ASN1_ITEM_ref(CMS_ReceiptRequest),
88 ASN1_ITEM_ref(CRL_DIST_POINTS),
89#endif
90#ifndef OPENSSL_NO_DH
91 ASN1_ITEM_ref(DHparams),
92#endif
93 ASN1_ITEM_ref(DIRECTORYSTRING),
94 ASN1_ITEM_ref(DISPLAYTEXT),
95 ASN1_ITEM_ref(DIST_POINT),
96 ASN1_ITEM_ref(DIST_POINT_NAME),
97#if !defined(OPENSSL_NO_EC) && !defined(OPENSSL_NO_DEPRECATED_3_0)
98 ASN1_ITEM_ref(ECPARAMETERS),
99 ASN1_ITEM_ref(ECPKPARAMETERS),
100#endif
101 ASN1_ITEM_ref(EDIPARTYNAME),
102 ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
103 ASN1_ITEM_ref(GENERAL_NAME),
104 ASN1_ITEM_ref(GENERAL_NAMES),
105 ASN1_ITEM_ref(GENERAL_SUBTREE),
106#ifndef OPENSSL_NO_RFC3779
107 ASN1_ITEM_ref(IPAddressChoice),
108 ASN1_ITEM_ref(IPAddressFamily),
109 ASN1_ITEM_ref(IPAddressOrRange),
110 ASN1_ITEM_ref(IPAddressRange),
111#endif
112 ASN1_ITEM_ref(ISSUING_DIST_POINT),
113#ifndef OPENSSL_NO_DEPRECATED_3_0
114 ASN1_ITEM_ref(LONG),
115#endif
116 ASN1_ITEM_ref(NAME_CONSTRAINTS),
117 ASN1_ITEM_ref(NETSCAPE_CERT_SEQUENCE),
118 ASN1_ITEM_ref(NETSCAPE_SPKAC),
119 ASN1_ITEM_ref(NETSCAPE_SPKI),
120 ASN1_ITEM_ref(NOTICEREF),
121#ifndef OPENSSL_NO_OCSP
122 ASN1_ITEM_ref(OCSP_BASICRESP),
123 ASN1_ITEM_ref(OCSP_CERTID),
124 ASN1_ITEM_ref(OCSP_CERTSTATUS),
125 ASN1_ITEM_ref(OCSP_CRLID),
126 ASN1_ITEM_ref(OCSP_ONEREQ),
127 ASN1_ITEM_ref(OCSP_REQINFO),
128 ASN1_ITEM_ref(OCSP_REQUEST),
129 ASN1_ITEM_ref(OCSP_RESPBYTES),
130 ASN1_ITEM_ref(OCSP_RESPDATA),
131 ASN1_ITEM_ref(OCSP_RESPID),
132 ASN1_ITEM_ref(OCSP_RESPONSE),
133 ASN1_ITEM_ref(OCSP_REVOKEDINFO),
134 ASN1_ITEM_ref(OCSP_SERVICELOC),
135 ASN1_ITEM_ref(OCSP_SIGNATURE),
136 ASN1_ITEM_ref(OCSP_SINGLERESP),
137#endif
138 ASN1_ITEM_ref(OTHERNAME),
139 ASN1_ITEM_ref(PBE2PARAM),
140 ASN1_ITEM_ref(PBEPARAM),
141 ASN1_ITEM_ref(PBKDF2PARAM),
142 ASN1_ITEM_ref(PKCS12),
143 ASN1_ITEM_ref(PKCS12_AUTHSAFES),
144 ASN1_ITEM_ref(PKCS12_BAGS),
145 ASN1_ITEM_ref(PKCS12_MAC_DATA),
146 ASN1_ITEM_ref(PKCS12_SAFEBAG),
147 ASN1_ITEM_ref(PKCS12_SAFEBAGS),
148 ASN1_ITEM_ref(PKCS7),
149 ASN1_ITEM_ref(PKCS7_ATTR_SIGN),
150 ASN1_ITEM_ref(PKCS7_ATTR_VERIFY),
151 ASN1_ITEM_ref(PKCS7_DIGEST),
152 ASN1_ITEM_ref(PKCS7_ENC_CONTENT),
153 ASN1_ITEM_ref(PKCS7_ENCRYPT),
154 ASN1_ITEM_ref(PKCS7_ENVELOPE),
155 ASN1_ITEM_ref(PKCS7_ISSUER_AND_SERIAL),
156 ASN1_ITEM_ref(PKCS7_RECIP_INFO),
157 ASN1_ITEM_ref(PKCS7_SIGNED),
158 ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE),
159 ASN1_ITEM_ref(PKCS7_SIGNER_INFO),
160 ASN1_ITEM_ref(PKCS8_PRIV_KEY_INFO),
161 ASN1_ITEM_ref(PKEY_USAGE_PERIOD),
162 ASN1_ITEM_ref(POLICY_CONSTRAINTS),
163 ASN1_ITEM_ref(POLICYINFO),
164 ASN1_ITEM_ref(POLICY_MAPPING),
165 ASN1_ITEM_ref(POLICY_MAPPINGS),
166 ASN1_ITEM_ref(POLICYQUALINFO),
167 ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
168 ASN1_ITEM_ref(PROXY_POLICY),
169 ASN1_ITEM_ref(RSA_OAEP_PARAMS),
170 ASN1_ITEM_ref(RSA_PSS_PARAMS),
171#ifndef OPENSSL_NO_DEPRECATED_3_0
172 ASN1_ITEM_ref(RSAPrivateKey),
173 ASN1_ITEM_ref(RSAPublicKey),
174#endif
175 ASN1_ITEM_ref(SXNET),
176 ASN1_ITEM_ref(SXNETID),
177 ASN1_ITEM_ref(USERNOTICE),
178 ASN1_ITEM_ref(X509),
179 ASN1_ITEM_ref(X509_ALGOR),
180 ASN1_ITEM_ref(X509_ALGORS),
181 ASN1_ITEM_ref(X509_ATTRIBUTE),
182 ASN1_ITEM_ref(X509_CERT_AUX),
183 ASN1_ITEM_ref(X509_CINF),
184 ASN1_ITEM_ref(X509_CRL),
185 ASN1_ITEM_ref(X509_CRL_INFO),
186 ASN1_ITEM_ref(X509_EXTENSION),
187 ASN1_ITEM_ref(X509_EXTENSIONS),
188 ASN1_ITEM_ref(X509_NAME),
189 ASN1_ITEM_ref(X509_NAME_ENTRY),
190 ASN1_ITEM_ref(X509_PUBKEY),
191 ASN1_ITEM_ref(X509_REQ),
192 ASN1_ITEM_ref(X509_REQ_INFO),
193 ASN1_ITEM_ref(X509_REVOKED),
194 ASN1_ITEM_ref(X509_SIG),
195 ASN1_ITEM_ref(X509_VAL),
196#ifndef OPENSSL_NO_DEPRECATED_3_0
197 ASN1_ITEM_ref(ZLONG),
198#endif
199 ASN1_ITEM_ref(INT32),
200 ASN1_ITEM_ref(ZINT32),
201 ASN1_ITEM_ref(UINT32),
202 ASN1_ITEM_ref(ZUINT32),
203 ASN1_ITEM_ref(INT64),
204 ASN1_ITEM_ref(ZINT64),
205 ASN1_ITEM_ref(UINT64),
206 ASN1_ITEM_ref(ZUINT64),
207 NULL
208};
209
210static ASN1_PCTX *pctx;
211
212#define DO_TEST(TYPE, D2I, I2D, PRINT) { \
213 const unsigned char *p = buf; \
214 unsigned char *der = NULL; \
215 TYPE *type = D2I(NULL, &p, len); \
216 \
217 if (type != NULL) { \
218 int len2; \
219 BIO *bio = BIO_new(BIO_s_null()); \
220 \
221 if (bio != NULL) { \
222 PRINT(bio, type); \
223 BIO_free(bio); \
224 } \
225 len2 = I2D(type, &der); \
226 if (len2 != 0) {} \
227 OPENSSL_free(der); \
228 TYPE ## _free(type); \
229 } \
230}
231
232#define DO_TEST_PRINT_OFFSET(TYPE, D2I, I2D, PRINT) { \
233 const unsigned char *p = buf; \
234 unsigned char *der = NULL; \
235 TYPE *type = D2I(NULL, &p, len); \
236 \
237 if (type != NULL) { \
238 BIO *bio = BIO_new(BIO_s_null()); \
239 \
240 if (bio != NULL) { \
241 PRINT(bio, type, 0); \
242 BIO_free(bio); \
243 } \
244 I2D(type, &der); \
245 OPENSSL_free(der); \
246 TYPE ## _free(type); \
247 } \
248}
249
250#define DO_TEST_PRINT_PCTX(TYPE, D2I, I2D, PRINT) { \
251 const unsigned char *p = buf; \
252 unsigned char *der = NULL; \
253 TYPE *type = D2I(NULL, &p, len); \
254 \
255 if (type != NULL) { \
256 BIO *bio = BIO_new(BIO_s_null()); \
257 \
258 if (bio != NULL) { \
259 PRINT(bio, type, 0, pctx); \
260 BIO_free(bio); \
261 } \
262 I2D(type, &der); \
263 OPENSSL_free(der); \
264 TYPE ## _free(type); \
265 } \
266}
267
268
269#define DO_TEST_NO_PRINT(TYPE, D2I, I2D) { \
270 const unsigned char *p = buf; \
271 unsigned char *der = NULL; \
272 TYPE *type = D2I(NULL, &p, len); \
273 \
274 if (type != NULL) { \
275 BIO *bio = BIO_new(BIO_s_null()); \
276 \
277 BIO_free(bio); \
278 I2D(type, &der); \
279 OPENSSL_free(der); \
280 TYPE ## _free(type); \
281 } \
282}
283
284
285int FuzzerInitialize(int *argc, char ***argv)
286{
287 FuzzerSetRand();
288 pctx = ASN1_PCTX_new();
289 ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT |
290 ASN1_PCTX_FLAGS_SHOW_SEQUENCE | ASN1_PCTX_FLAGS_SHOW_SSOF |
291 ASN1_PCTX_FLAGS_SHOW_TYPE | ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME);
292 ASN1_PCTX_set_str_flags(pctx, ASN1_STRFLGS_UTF8_CONVERT |
293 ASN1_STRFLGS_SHOW_TYPE | ASN1_STRFLGS_DUMP_ALL);
294
295 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
296 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
297 ERR_clear_error();
298 CRYPTO_free_ex_index(0, -1);
299
300 return 1;
301}
302
303int FuzzerTestOneInput(const uint8_t *buf, size_t len)
304{
305 int n;
306
307
308 for (n = 0; item_type[n] != NULL; ++n) {
309 const uint8_t *b = buf;
310 unsigned char *der = NULL;
311 const ASN1_ITEM *i = ASN1_ITEM_ptr(item_type[n]);
312 ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, i);
313
314 if (o != NULL) {
315 BIO *bio = BIO_new(BIO_s_null());
316 if (bio != NULL) {
317 ASN1_item_print(bio, o, 4, i, pctx);
318 BIO_free(bio);
319 }
320 ASN1_item_i2d(o, &der, i);
321 OPENSSL_free(der);
322 ASN1_item_free(o, i);
323 }
324 }
325
326#ifndef OPENSSL_NO_TS
327 DO_TEST(TS_REQ, d2i_TS_REQ, i2d_TS_REQ, TS_REQ_print_bio);
328 DO_TEST(TS_MSG_IMPRINT, d2i_TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, TS_MSG_IMPRINT_print_bio);
329 DO_TEST(TS_RESP, d2i_TS_RESP, i2d_TS_RESP, TS_RESP_print_bio);
330 DO_TEST(TS_STATUS_INFO, d2i_TS_STATUS_INFO, i2d_TS_STATUS_INFO, TS_STATUS_INFO_print_bio);
331 DO_TEST(TS_TST_INFO, d2i_TS_TST_INFO, i2d_TS_TST_INFO, TS_TST_INFO_print_bio);
332 DO_TEST_NO_PRINT(TS_ACCURACY, d2i_TS_ACCURACY, i2d_TS_ACCURACY);
333#endif
334 DO_TEST_NO_PRINT(ESS_ISSUER_SERIAL, d2i_ESS_ISSUER_SERIAL, i2d_ESS_ISSUER_SERIAL);
335 DO_TEST_NO_PRINT(ESS_CERT_ID, d2i_ESS_CERT_ID, i2d_ESS_CERT_ID);
336 DO_TEST_NO_PRINT(ESS_SIGNING_CERT, d2i_ESS_SIGNING_CERT, i2d_ESS_SIGNING_CERT);
337 DO_TEST_NO_PRINT(ESS_CERT_ID_V2, d2i_ESS_CERT_ID_V2, i2d_ESS_CERT_ID_V2);
338 DO_TEST_NO_PRINT(ESS_SIGNING_CERT_V2, d2i_ESS_SIGNING_CERT_V2, i2d_ESS_SIGNING_CERT_V2);
339#if !defined(OPENSSL_NO_DH) && !defined(OPENSSL_NO_DEPRECATED_3_0)
340 DO_TEST_NO_PRINT(DH, d2i_DHparams, i2d_DHparams);
341 DO_TEST_NO_PRINT(DH, d2i_DHxparams, i2d_DHxparams);
342#endif
343#ifndef OPENSSL_NO_DSA
344 DO_TEST_NO_PRINT(DSA_SIG, d2i_DSA_SIG, i2d_DSA_SIG);
345# ifndef OPENSSL_NO_DEPRECATED_3_0
346 DO_TEST_NO_PRINT(DSA, d2i_DSAPrivateKey, i2d_DSAPrivateKey);
347 DO_TEST_NO_PRINT(DSA, d2i_DSAPublicKey, i2d_DSAPublicKey);
348 DO_TEST_NO_PRINT(DSA, d2i_DSAparams, i2d_DSAparams);
349# endif
350#endif
351#ifndef OPENSSL_NO_DEPRECATED_3_0
352 DO_TEST_NO_PRINT(RSA, d2i_RSAPublicKey, i2d_RSAPublicKey);
353#endif
354#ifndef OPENSSL_NO_EC
355# ifndef OPENSSL_NO_DEPRECATED_3_0
356 DO_TEST_PRINT_OFFSET(EC_GROUP, d2i_ECPKParameters, i2d_ECPKParameters, ECPKParameters_print);
357 DO_TEST_PRINT_OFFSET(EC_KEY, d2i_ECPrivateKey, i2d_ECPrivateKey, EC_KEY_print);
358 DO_TEST(EC_KEY, d2i_ECParameters, i2d_ECParameters, ECParameters_print);
359 DO_TEST_NO_PRINT(ECDSA_SIG, d2i_ECDSA_SIG, i2d_ECDSA_SIG);
360# endif
361#endif
362 DO_TEST_PRINT_PCTX(EVP_PKEY, d2i_AutoPrivateKey, i2d_PrivateKey, EVP_PKEY_print_private);
363 DO_TEST(SSL_SESSION, d2i_SSL_SESSION, i2d_SSL_SESSION, SSL_SESSION_print);
364
365 ERR_clear_error();
366
367 return 0;
368}
369
370void FuzzerCleanup(void)
371{
372 ASN1_PCTX_free(pctx);
373 FuzzerClearRand();
374}
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