Alternate fix for ../test/recipes/80-test_ssl_old.t with no-ec
[openssl.git] / fuzz / asn1.c
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
39 static 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
204 static 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
273 int 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
291 int 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
349 void FuzzerCleanup(void)
350 {
351     ASN1_PCTX_free(pctx);
352 }