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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> |
b534df96 | 31 | #include <openssl/rand.h> |
902f7d5c KR |
32 | #include <openssl/bio.h> |
33 | #include <openssl/evp.h> | |
34 | #include <openssl/ssl.h> | |
c38bb727 BL |
35 | #include "fuzzer.h" |
36 | ||
710769f0 RS |
37 | #include "rand.inc" |
38 | ||
90d28f05 | 39 | static ASN1_ITEM_EXP *item_type[] = { |
2980ae2e | 40 | ASN1_ITEM_ref(ACCESS_DESCRIPTION), |
620c6ad3 | 41 | #ifndef OPENSSL_NO_RFC3779 |
2980ae2e KR |
42 | ASN1_ITEM_ref(ASIdentifierChoice), |
43 | ASN1_ITEM_ref(ASIdentifiers), | |
44 | ASN1_ITEM_ref(ASIdOrRange), | |
620c6ad3 | 45 | #endif |
2980ae2e KR |
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), | |
90d28f05 | 62 | ASN1_ITEM_ref(ASN1_SEQUENCE), |
2980ae2e KR |
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), | |
620c6ad3 | 72 | #ifndef OPENSSL_NO_RFC3779 |
2980ae2e | 73 | ASN1_ITEM_ref(ASRange), |
620c6ad3 | 74 | #endif |
90d28f05 | 75 | ASN1_ITEM_ref(AUTHORITY_INFO_ACCESS), |
2980ae2e KR |
76 | ASN1_ITEM_ref(AUTHORITY_KEYID), |
77 | ASN1_ITEM_ref(BASIC_CONSTRAINTS), | |
90d28f05 | 78 | ASN1_ITEM_ref(BIGNUM), |
2980ae2e KR |
79 | ASN1_ITEM_ref(CBIGNUM), |
80 | ASN1_ITEM_ref(CERTIFICATEPOLICIES), | |
620c6ad3 | 81 | #ifndef OPENSSL_NO_CMS |
2980ae2e KR |
82 | ASN1_ITEM_ref(CMS_ContentInfo), |
83 | ASN1_ITEM_ref(CMS_ReceiptRequest), | |
84 | ASN1_ITEM_ref(CRL_DIST_POINTS), | |
620c6ad3 BL |
85 | #endif |
86 | #ifndef OPENSSL_NO_DH | |
2980ae2e | 87 | ASN1_ITEM_ref(DHparams), |
620c6ad3 | 88 | #endif |
2980ae2e KR |
89 | ASN1_ITEM_ref(DIRECTORYSTRING), |
90 | ASN1_ITEM_ref(DISPLAYTEXT), | |
91 | ASN1_ITEM_ref(DIST_POINT), | |
92 | ASN1_ITEM_ref(DIST_POINT_NAME), | |
d20841c4 | 93 | #ifndef OPENSSL_NO_EC |
90d28f05 BL |
94 | ASN1_ITEM_ref(ECPARAMETERS), |
95 | ASN1_ITEM_ref(ECPKPARAMETERS), | |
d20841c4 | 96 | #endif |
2980ae2e KR |
97 | ASN1_ITEM_ref(EDIPARTYNAME), |
98 | ASN1_ITEM_ref(EXTENDED_KEY_USAGE), | |
90d28f05 | 99 | ASN1_ITEM_ref(GENERAL_NAME), |
2980ae2e | 100 | ASN1_ITEM_ref(GENERAL_NAMES), |
90d28f05 | 101 | ASN1_ITEM_ref(GENERAL_SUBTREE), |
620c6ad3 | 102 | #ifndef OPENSSL_NO_RFC3779 |
2980ae2e KR |
103 | ASN1_ITEM_ref(IPAddressChoice), |
104 | ASN1_ITEM_ref(IPAddressFamily), | |
105 | ASN1_ITEM_ref(IPAddressOrRange), | |
106 | ASN1_ITEM_ref(IPAddressRange), | |
620c6ad3 | 107 | #endif |
2980ae2e | 108 | ASN1_ITEM_ref(ISSUING_DIST_POINT), |
fcd2d5a6 | 109 | #if !OPENSSL_API_3 |
2980ae2e | 110 | ASN1_ITEM_ref(LONG), |
31ae5161 | 111 | #endif |
90d28f05 | 112 | ASN1_ITEM_ref(NAME_CONSTRAINTS), |
2980ae2e KR |
113 | ASN1_ITEM_ref(NETSCAPE_CERT_SEQUENCE), |
114 | ASN1_ITEM_ref(NETSCAPE_SPKAC), | |
115 | ASN1_ITEM_ref(NETSCAPE_SPKI), | |
116 | ASN1_ITEM_ref(NOTICEREF), | |
620c6ad3 | 117 | #ifndef OPENSSL_NO_OCSP |
90d28f05 | 118 | ASN1_ITEM_ref(OCSP_BASICRESP), |
2980ae2e KR |
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), | |
90d28f05 | 128 | ASN1_ITEM_ref(OCSP_RESPONSE), |
2980ae2e KR |
129 | ASN1_ITEM_ref(OCSP_REVOKEDINFO), |
130 | ASN1_ITEM_ref(OCSP_SERVICELOC), | |
131 | ASN1_ITEM_ref(OCSP_SIGNATURE), | |
132 | ASN1_ITEM_ref(OCSP_SINGLERESP), | |
620c6ad3 | 133 | #endif |
2980ae2e KR |
134 | ASN1_ITEM_ref(OTHERNAME), |
135 | ASN1_ITEM_ref(PBE2PARAM), | |
136 | ASN1_ITEM_ref(PBEPARAM), | |
137 | ASN1_ITEM_ref(PBKDF2PARAM), | |
90d28f05 BL |
138 | ASN1_ITEM_ref(PKCS12), |
139 | ASN1_ITEM_ref(PKCS12_AUTHSAFES), | |
2980ae2e KR |
140 | ASN1_ITEM_ref(PKCS12_BAGS), |
141 | ASN1_ITEM_ref(PKCS12_MAC_DATA), | |
142 | ASN1_ITEM_ref(PKCS12_SAFEBAG), | |
90d28f05 BL |
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), | |
2980ae2e | 151 | ASN1_ITEM_ref(PKCS7_ISSUER_AND_SERIAL), |
90d28f05 | 152 | ASN1_ITEM_ref(PKCS7_RECIP_INFO), |
90d28f05 | 153 | ASN1_ITEM_ref(PKCS7_SIGNED), |
2980ae2e | 154 | ASN1_ITEM_ref(PKCS7_SIGN_ENVELOPE), |
90d28f05 | 155 | ASN1_ITEM_ref(PKCS7_SIGNER_INFO), |
2980ae2e KR |
156 | ASN1_ITEM_ref(PKCS8_PRIV_KEY_INFO), |
157 | ASN1_ITEM_ref(PKEY_USAGE_PERIOD), | |
90d28f05 | 158 | ASN1_ITEM_ref(POLICY_CONSTRAINTS), |
2980ae2e KR |
159 | ASN1_ITEM_ref(POLICYINFO), |
160 | ASN1_ITEM_ref(POLICY_MAPPING), | |
90d28f05 | 161 | ASN1_ITEM_ref(POLICY_MAPPINGS), |
2980ae2e KR |
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), | |
90d28f05 | 169 | ASN1_ITEM_ref(SXNET), |
2980ae2e | 170 | ASN1_ITEM_ref(SXNETID), |
2980ae2e | 171 | ASN1_ITEM_ref(USERNOTICE), |
90d28f05 | 172 | ASN1_ITEM_ref(X509), |
2980ae2e KR |
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), | |
90d28f05 | 178 | ASN1_ITEM_ref(X509_CRL), |
2980ae2e KR |
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), | |
fcd2d5a6 | 190 | #if !OPENSSL_API_3 |
2980ae2e | 191 | ASN1_ITEM_ref(ZLONG), |
31ae5161 | 192 | #endif |
64f11ee8 RL |
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), | |
e298cb10 BL |
201 | NULL |
202 | }; | |
c38bb727 | 203 | |
231f1337 KR |
204 | static ASN1_PCTX *pctx; |
205 | ||
902f7d5c KR |
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 | ||
f3e911d5 KR |
273 | int FuzzerInitialize(int *argc, char ***argv) |
274 | { | |
231f1337 KR |
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); | |
902f7d5c | 283 | OPENSSL_init_ssl(OPENSSL_INIT_LOAD_SSL_STRINGS, NULL); |
231f1337 KR |
284 | ERR_get_state(); |
285 | CRYPTO_free_ex_index(0, -1); | |
9f08a1c6 | 286 | FuzzerSetRand(); |
231f1337 | 287 | |
90d28f05 BL |
288 | return 1; |
289 | } | |
290 | ||
f3e911d5 KR |
291 | int FuzzerTestOneInput(const uint8_t *buf, size_t len) |
292 | { | |
90d28f05 BL |
293 | int n; |
294 | ||
e10aeee1 | 295 | |
90d28f05 | 296 | for (n = 0; item_type[n] != NULL; ++n) { |
e298cb10 | 297 | const uint8_t *b = buf; |
e10aeee1 | 298 | unsigned char *der = NULL; |
90d28f05 BL |
299 | const ASN1_ITEM *i = ASN1_ITEM_ptr(item_type[n]); |
300 | ASN1_VALUE *o = ASN1_item_d2i(NULL, &b, len, i); | |
e10aeee1 KR |
301 | |
302 | if (o != NULL) { | |
303 | BIO *bio = BIO_new(BIO_s_null()); | |
902f7d5c | 304 | |
e10aeee1 KR |
305 | ASN1_item_print(bio, o, 4, i, pctx); |
306 | BIO_free(bio); | |
e10aeee1 KR |
307 | ASN1_item_i2d(o, &der, i); |
308 | OPENSSL_free(der); | |
e10aeee1 KR |
309 | ASN1_item_free(o, i); |
310 | } | |
e298cb10 | 311 | } |
e10aeee1 | 312 | |
976b0388 | 313 | #ifndef OPENSSL_NO_TS |
902f7d5c KR |
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); | |
976b0388 BK |
323 | #endif |
324 | #ifndef OPENSSL_NO_DH | |
902f7d5c KR |
325 | DO_TEST(DH, d2i_DHparams, i2d_DHparams, DHparams_print); |
326 | DO_TEST(DH, d2i_DHxparams, i2d_DHxparams, DHparams_print); | |
976b0388 BK |
327 | #endif |
328 | #ifndef OPENSSL_NO_DSA | |
902f7d5c KR |
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); | |
976b0388 | 333 | #endif |
902f7d5c | 334 | DO_TEST_PRINT_OFFSET(RSA, d2i_RSAPublicKey, i2d_RSAPublicKey, RSA_print); |
976b0388 | 335 | #ifndef OPENSSL_NO_EC |
902f7d5c KR |
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); | |
976b0388 | 340 | #endif |
902f7d5c KR |
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 | ||
231f1337 | 344 | ERR_clear_error(); |
e10aeee1 | 345 | |
c38bb727 BL |
346 | return 0; |
347 | } | |
ad4da7fb KR |
348 | |
349 | void FuzzerCleanup(void) | |
350 | { | |
231f1337 | 351 | ASN1_PCTX_free(pctx); |
ad4da7fb | 352 | } |