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source: vbox/trunk/src/libs/openssl-1.1.1f/fuzz/asn1.c@ 83979

最後變更 在這個檔案從83979是 83531,由 vboxsync 提交於 5 年 前

setting svn:sync-process=export for openssl-1.1.1f, all files except tests

檔案大小: 10.6 KB
 
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/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>
32#include <openssl/bio.h>
33#include <openssl/evp.h>
34#include <openssl/ssl.h>
35#include "fuzzer.h"
36
37#include "rand.inc"
38
39static ASN1_ITEM_EXP *item_type[] = {
40 ASN1_ITEM_ref(ACCESS_DESCRIPTION),
41#ifndef OPENSSL_NO_RFC3779
42 ASN1_ITEM_ref(ASIdentifierChoice),
43 ASN1_ITEM_ref(ASIdentifiers),
44 ASN1_ITEM_ref(ASIdOrRange),
45#endif
46 ASN1_ITEM_ref(ASN1_ANY),
47 ASN1_ITEM_ref(ASN1_BIT_STRING),
48 ASN1_ITEM_ref(ASN1_BMPSTRING),
49 ASN1_ITEM_ref(ASN1_BOOLEAN),
50 ASN1_ITEM_ref(ASN1_ENUMERATED),
51 ASN1_ITEM_ref(ASN1_FBOOLEAN),
52 ASN1_ITEM_ref(ASN1_GENERALIZEDTIME),
53 ASN1_ITEM_ref(ASN1_GENERALSTRING),
54 ASN1_ITEM_ref(ASN1_IA5STRING),
55 ASN1_ITEM_ref(ASN1_INTEGER),
56 ASN1_ITEM_ref(ASN1_NULL),
57 ASN1_ITEM_ref(ASN1_OBJECT),
58 ASN1_ITEM_ref(ASN1_OCTET_STRING),
59 ASN1_ITEM_ref(ASN1_OCTET_STRING_NDEF),
60 ASN1_ITEM_ref(ASN1_PRINTABLE),
61 ASN1_ITEM_ref(ASN1_PRINTABLESTRING),
62 ASN1_ITEM_ref(ASN1_SEQUENCE),
63 ASN1_ITEM_ref(ASN1_SEQUENCE_ANY),
64 ASN1_ITEM_ref(ASN1_SET_ANY),
65 ASN1_ITEM_ref(ASN1_T61STRING),
66 ASN1_ITEM_ref(ASN1_TBOOLEAN),
67 ASN1_ITEM_ref(ASN1_TIME),
68 ASN1_ITEM_ref(ASN1_UNIVERSALSTRING),
69 ASN1_ITEM_ref(ASN1_UTCTIME),
70 ASN1_ITEM_ref(ASN1_UTF8STRING),
71 ASN1_ITEM_ref(ASN1_VISIBLESTRING),
72#ifndef OPENSSL_NO_RFC3779
73 ASN1_ITEM_ref(ASRange),
74#endif
75 ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS),
76 ASN1_ITEM_ref(AUTHORITY_KEYID),
77 ASN1_ITEM_ref(BASIC_CONSTRAINTS),
78 ASN1_ITEM_ref(BIGNUM),
79 ASN1_ITEM_ref(CBIGNUM),
80 ASN1_ITEM_ref(CERTIFICATEPOLICIES),
81#ifndef OPENSSL_NO_CMS
82 ASN1_ITEM_ref(CMS_ContentInfo),
83 ASN1_ITEM_ref(CMS_ReceiptRequest),
84 ASN1_ITEM_ref(CRL_DIST_POINTS),
85#endif
86#ifndef OPENSSL_NO_DH
87 ASN1_ITEM_ref(DHparams),
88#endif
89 ASN1_ITEM_ref(DIRECTORYSTRING),
90 ASN1_ITEM_ref(DISPLAYTEXT),
91 ASN1_ITEM_ref(DIST_POINT),
92 ASN1_ITEM_ref(DIST_POINT_NAME),
93#ifndef OPENSSL_NO_EC
94 ASN1_ITEM_ref(ECPARAMETERS),
95 ASN1_ITEM_ref(ECPKPARAMETERS),
96#endif
97 ASN1_ITEM_ref(EDIPARTYNAME),
98 ASN1_ITEM_ref(EXTENDED_KEY_USAGE),
99 ASN1_ITEM_ref(GENERAL_NAME),
100 ASN1_ITEM_ref(GENERAL_NAMES),
101 ASN1_ITEM_ref(GENERAL_SUBTREE),
102#ifndef OPENSSL_NO_RFC3779
103 ASN1_ITEM_ref(IPAddressChoice),
104 ASN1_ITEM_ref(IPAddressFamily),
105 ASN1_ITEM_ref(IPAddressOrRange),
106 ASN1_ITEM_ref(IPAddressRange),
107#endif
108 ASN1_ITEM_ref(ISSUING_DIST_POINT),
109#if OPENSSL_API_COMPAT < 0x10200000L
110 ASN1_ITEM_ref(LONG),
111#endif
112 ASN1_ITEM_ref(NAME_CONSTRAINTS),
113 ASN1_ITEM_ref(NETSCAPE_CERT_SEQUENCE),
114 ASN1_ITEM_ref(NETSCAPE_SPKAC),
115 ASN1_ITEM_ref(NETSCAPE_SPKI),
116 ASN1_ITEM_ref(NOTICEREF),
117#ifndef OPENSSL_NO_OCSP
118 ASN1_ITEM_ref(OCSP_BASICRESP),
119 ASN1_ITEM_ref(OCSP_CERTID),
120 ASN1_ITEM_ref(OCSP_CERTSTATUS),
121 ASN1_ITEM_ref(OCSP_CRLID),
122 ASN1_ITEM_ref(OCSP_ONEREQ),
123 ASN1_ITEM_ref(OCSP_REQINFO),
124 ASN1_ITEM_ref(OCSP_REQUEST),
125 ASN1_ITEM_ref(OCSP_RESPBYTES),
126 ASN1_ITEM_ref(OCSP_RESPDATA),
127 ASN1_ITEM_ref(OCSP_RESPID),
128 ASN1_ITEM_ref(OCSP_RESPONSE),
129 ASN1_ITEM_ref(OCSP_REVOKEDINFO),
130 ASN1_ITEM_ref(OCSP_SERVICELOC),
131 ASN1_ITEM_ref(OCSP_SIGNATURE),
132 ASN1_ITEM_ref(OCSP_SINGLERESP),
133#endif
134 ASN1_ITEM_ref(OTHERNAME),
135 ASN1_ITEM_ref(PBE2PARAM),
136 ASN1_ITEM_ref(PBEPARAM),
137 ASN1_ITEM_ref(PBKDF2PARAM),
138 ASN1_ITEM_ref(PKCS12),
139 ASN1_ITEM_ref(PKCS12_AUTHSAFES),
140 ASN1_ITEM_ref(PKCS12_BAGS),
141 ASN1_ITEM_ref(PKCS12_MAC_DATA),
142 ASN1_ITEM_ref(PKCS12_SAFEBAG),
143 ASN1_ITEM_ref(PKCS12_SAFEBAGS),
144 ASN1_ITEM_ref(PKCS7),
145 ASN1_ITEM_ref(PKCS7_ATTR_SIGN),
146 ASN1_ITEM_ref(PKCS7_ATTR_VERIFY),
147 ASN1_ITEM_ref(PKCS7_DIGEST),
148 ASN1_ITEM_ref(PKCS7_ENC_CONTENT),
149 ASN1_ITEM_ref(PKCS7_ENCRYPT),
150 ASN1_ITEM_ref(PKCS7_ENVELOPE),
151 ASN1_ITEM_ref(PKCS7_ISSUER_AND_SERIAL),
152 ASN1_ITEM_ref(PKCS7_RECIP_INFO),
153 ASN1_ITEM_ref(PKCS7_SIGNED),
154 ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE),
155 ASN1_ITEM_ref(PKCS7_SIGNER_INFO),
156 ASN1_ITEM_ref(PKCS8_PRIV_KEY_INFO),
157 ASN1_ITEM_ref(PKEY_USAGE_PERIOD),
158 ASN1_ITEM_ref(POLICY_CONSTRAINTS),
159 ASN1_ITEM_ref(POLICYINFO),
160 ASN1_ITEM_ref(POLICY_MAPPING),
161 ASN1_ITEM_ref(POLICY_MAPPINGS),
162 ASN1_ITEM_ref(POLICYQUALINFO),
163 ASN1_ITEM_ref(PROXY_CERT_INFO_EXTENSION),
164 ASN1_ITEM_ref(PROXY_POLICY),
165 ASN1_ITEM_ref(RSA_OAEP_PARAMS),
166 ASN1_ITEM_ref(RSAPrivateKey),
167 ASN1_ITEM_ref(RSA_PSS_PARAMS),
168 ASN1_ITEM_ref(RSAPublicKey),
169 ASN1_ITEM_ref(SXNET),
170 ASN1_ITEM_ref(SXNETID),
171 ASN1_ITEM_ref(USERNOTICE),
172 ASN1_ITEM_ref(X509),
173 ASN1_ITEM_ref(X509_ALGOR),
174 ASN1_ITEM_ref(X509_ALGORS),
175 ASN1_ITEM_ref(X509_ATTRIBUTE),
176 ASN1_ITEM_ref(X509_CERT_AUX),
177 ASN1_ITEM_ref(X509_CINF),
178 ASN1_ITEM_ref(X509_CRL),
179 ASN1_ITEM_ref(X509_CRL_INFO),
180 ASN1_ITEM_ref(X509_EXTENSION),
181 ASN1_ITEM_ref(X509_EXTENSIONS),
182 ASN1_ITEM_ref(X509_NAME),
183 ASN1_ITEM_ref(X509_NAME_ENTRY),
184 ASN1_ITEM_ref(X509_PUBKEY),
185 ASN1_ITEM_ref(X509_REQ),
186 ASN1_ITEM_ref(X509_REQ_INFO),
187 ASN1_ITEM_ref(X509_REVOKED),
188 ASN1_ITEM_ref(X509_SIG),
189 ASN1_ITEM_ref(X509_VAL),
190#if OPENSSL_API_COMPAT < 0x10200000L
191 ASN1_ITEM_ref(ZLONG),
192#endif
193 ASN1_ITEM_ref(INT32),
194 ASN1_ITEM_ref(ZINT32),
195 ASN1_ITEM_ref(UINT32),
196 ASN1_ITEM_ref(ZUINT32),
197 ASN1_ITEM_ref(INT64),
198 ASN1_ITEM_ref(ZINT64),
199 ASN1_ITEM_ref(UINT64),
200 ASN1_ITEM_ref(ZUINT64),
201 NULL
202};
203
204static ASN1_PCTX *pctx;
205
206#define DO_TEST(TYPE, D2I, I2D, PRINT) { \
207 const unsigned char *p = buf; \
208 unsigned char *der = NULL; \
209 TYPE *type = D2I(NULL, &p, len); \
210 \
211 if (type != NULL) { \
212 int len2; \
213 BIO *bio = BIO_new(BIO_s_null()); \
214 \
215 PRINT(bio, type); \
216 BIO_free(bio); \
217 len2 = I2D(type, &der); \
218 if (len2 != 0) {} \
219 OPENSSL_free(der); \
220 TYPE ## _free(type); \
221 } \
222}
223
224#define DO_TEST_PRINT_OFFSET(TYPE, D2I, I2D, PRINT) { \
225 const unsigned char *p = buf; \
226 unsigned char *der = NULL; \
227 TYPE *type = D2I(NULL, &p, len); \
228 \
229 if (type != NULL) { \
230 BIO *bio = BIO_new(BIO_s_null()); \
231 \
232 PRINT(bio, type, 0); \
233 BIO_free(bio); \
234 I2D(type, &der); \
235 OPENSSL_free(der); \
236 TYPE ## _free(type); \
237 } \
238}
239
240#define DO_TEST_PRINT_PCTX(TYPE, D2I, I2D, PRINT) { \
241 const unsigned char *p = buf; \
242 unsigned char *der = NULL; \
243 TYPE *type = D2I(NULL, &p, len); \
244 \
245 if (type != NULL) { \
246 BIO *bio = BIO_new(BIO_s_null()); \
247 \
248 PRINT(bio, type, 0, pctx); \
249 BIO_free(bio); \
250 I2D(type, &der); \
251 OPENSSL_free(der); \
252 TYPE ## _free(type); \
253 } \
254}
255
256
257#define DO_TEST_NO_PRINT(TYPE, D2I, I2D) { \
258 const unsigned char *p = buf; \
259 unsigned char *der = NULL; \
260 TYPE *type = D2I(NULL, &p, len); \
261 \
262 if (type != NULL) { \
263 BIO *bio = BIO_new(BIO_s_null()); \
264 \
265 BIO_free(bio); \
266 I2D(type, &der); \
267 OPENSSL_free(der); \
268 TYPE ## _free(type); \
269 } \
270}
271
272
273int FuzzerInitialize(int *argc, char ***argv)
274{
275 pctx = ASN1_PCTX_new();
276 ASN1_PCTX_set_flags(pctx, ASN1_PCTX_FLAGS_SHOW_ABSENT |
277 ASN1_PCTX_FLAGS_SHOW_SEQUENCE | ASN1_PCTX_FLAGS_SHOW_SSOF |
278 ASN1_PCTX_FLAGS_SHOW_TYPE | ASN1_PCTX_FLAGS_SHOW_FIELD_STRUCT_NAME);
279 ASN1_PCTX_set_str_flags(pctx, ASN1_STRFLGS_UTF8_CONVERT |
280 ASN1_STRFLGS_SHOW_TYPE | ASN1_STRFLGS_DUMP_ALL);
281
282 OPENSSL_init_crypto(OPENSSL_INIT_LOAD_CRYPTO_STRINGS, NULL);
283 OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL);
284 ERR_get_state();
285 CRYPTO_free_ex_index(0, -1);
286 FuzzerSetRand();
287
288 return 1;
289}
290
291int FuzzerTestOneInput(const uint8_t *buf, size_t len)
292{
293 int n;
294
295
296 for (n = 0; item_type[n] != NULL; ++n) {
297 const uint8_t *b = buf;
298 unsigned char *der = NULL;
299 const ASN1_ITEM *i = ASN1_ITEM_ptr(item_type[n]);
300 ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, i);
301
302 if (o != NULL) {
303 BIO *bio = BIO_new(BIO_s_null());
304
305 ASN1_item_print(bio, o, 4, i, pctx);
306 BIO_free(bio);
307 ASN1_item_i2d(o, &der, i);
308 OPENSSL_free(der);
309 ASN1_item_free(o, i);
310 }
311 }
312
313#ifndef OPENSSL_NO_TS
314 DO_TEST(TS_REQ, d2i_TS_REQ, i2d_TS_REQ, TS_REQ_print_bio);
315 DO_TEST(TS_MSG_IMPRINT, d2i_TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, TS_MSG_IMPRINT_print_bio);
316 DO_TEST(TS_RESP, d2i_TS_RESP, i2d_TS_RESP, TS_RESP_print_bio);
317 DO_TEST(TS_STATUS_INFO, d2i_TS_STATUS_INFO, i2d_TS_STATUS_INFO, TS_STATUS_INFO_print_bio);
318 DO_TEST(TS_TST_INFO, d2i_TS_TST_INFO, i2d_TS_TST_INFO, TS_TST_INFO_print_bio);
319 DO_TEST_NO_PRINT(TS_ACCURACY, d2i_TS_ACCURACY, i2d_TS_ACCURACY);
320 DO_TEST_NO_PRINT(ESS_ISSUER_SERIAL, d2i_ESS_ISSUER_SERIAL, i2d_ESS_ISSUER_SERIAL);
321 DO_TEST_NO_PRINT(ESS_CERT_ID, d2i_ESS_CERT_ID, i2d_ESS_CERT_ID);
322 DO_TEST_NO_PRINT(ESS_SIGNING_CERT, d2i_ESS_SIGNING_CERT, i2d_ESS_SIGNING_CERT);
323#endif
324#ifndef OPENSSL_NO_DH
325 DO_TEST(DH, d2i_DHparams, i2d_DHparams, DHparams_print);
326 DO_TEST(DH, d2i_DHxparams, i2d_DHxparams, DHparams_print);
327#endif
328#ifndef OPENSSL_NO_DSA
329 DO_TEST_NO_PRINT(DSA_SIG, d2i_DSA_SIG, i2d_DSA_SIG);
330 DO_TEST_PRINT_OFFSET(DSA, d2i_DSAPrivateKey, i2d_DSAPrivateKey, DSA_print);
331 DO_TEST_PRINT_OFFSET(DSA, d2i_DSAPublicKey, i2d_DSAPublicKey, DSA_print);
332 DO_TEST(DSA, d2i_DSAparams, i2d_DSAparams, DSAparams_print);
333#endif
334 DO_TEST_PRINT_OFFSET(RSA, d2i_RSAPublicKey, i2d_RSAPublicKey, RSA_print);
335#ifndef OPENSSL_NO_EC
336 DO_TEST_PRINT_OFFSET(EC_GROUP, d2i_ECPKParameters, i2d_ECPKParameters, ECPKParameters_print);
337 DO_TEST_PRINT_OFFSET(EC_KEY, d2i_ECPrivateKey, i2d_ECPrivateKey, EC_KEY_print);
338 DO_TEST(EC_KEY, d2i_ECParameters, i2d_ECParameters, ECParameters_print);
339 DO_TEST_NO_PRINT(ECDSA_SIG, d2i_ECDSA_SIG, i2d_ECDSA_SIG);
340#endif
341 DO_TEST_PRINT_PCTX(EVP_PKEY, d2i_AutoPrivateKey, i2d_PrivateKey, EVP_PKEY_print_private);
342 DO_TEST(SSL_SESSION, d2i_SSL_SESSION, i2d_SSL_SESSION, SSL_SESSION_print);
343
344 ERR_clear_error();
345
346 return 0;
347}
348
349void FuzzerCleanup(void)
350{
351 ASN1_PCTX_free(pctx);
352}
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