1 /* crypto/ts/ts_asn1.c */
2 /* Written by Nils Larsch for the OpenSSL project 2004.
3 */
4 /* ====================================================================
5 * Copyright (c) 2006 The OpenSSL Project. All rights reserved.
6 *
7 * Redistribution and use in source and binary forms, with or without
8 * modification, are permitted provided that the following conditions
9 * are met:
10 *
11 * 1. Redistributions of source code must retain the above copyright
12 * notice, this list of conditions and the following disclaimer.
13 *
14 * 2. Redistributions in binary form must reproduce the above copyright
15 * notice, this list of conditions and the following disclaimer in
16 * the documentation and/or other materials provided with the
17 * distribution.
18 *
19 * 3. All advertising materials mentioning features or use of this
20 * software must display the following acknowledgment:
21 * "This product includes software developed by the OpenSSL Project
22 * for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
23 *
24 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
25 * endorse or promote products derived from this software without
26 * prior written permission. For written permission, please contact
27 * licensing@OpenSSL.org.
28 *
29 * 5. Products derived from this software may not be called "OpenSSL"
30 * nor may "OpenSSL" appear in their names without prior written
31 * permission of the OpenSSL Project.
32 *
33 * 6. Redistributions of any form whatsoever must retain the following
34 * acknowledgment:
35 * "This product includes software developed by the OpenSSL Project
36 * for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
37 *
38 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
39 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
40 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
41 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
42 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
43 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
44 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
45 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
46 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
47 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
48 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
49 * OF THE POSSIBILITY OF SUCH DAMAGE.
50 * ====================================================================
51 *
52 * This product includes cryptographic software written by Eric Young
53 * (eay@cryptsoft.com). This product includes software written by Tim
54 * Hudson (tjh@cryptsoft.com).
55 *
56 */
57
58 #include <openssl/ts.h>
59 #include <openssl/err.h>
60 #include <openssl/asn1t.h>
61
62 ASN1_SEQUENCE(TS_MSG_IMPRINT) = {
63 ASN1_SIMPLE(TS_MSG_IMPRINT, hash_algo, X509_ALGOR),
64 ASN1_SIMPLE(TS_MSG_IMPRINT, hashed_msg, ASN1_OCTET_STRING)
65 } ASN1_SEQUENCE_END(TS_MSG_IMPRINT)
66
67 IMPLEMENT_ASN1_FUNCTIONS_const(TS_MSG_IMPRINT)
68 IMPLEMENT_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT)
69 #ifndef OPENSSL_NO_BIO
70 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT **a)
71 {
72 return ASN1_d2i_bio_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new, d2i_TS_MSG_IMPRINT, bp, a);
73 }
74
75 int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a)
76 {
77 return ASN1_i2d_bio_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, bp, a);
78 }
79 #endif
80 #ifndef OPENSSL_NO_FP_API
81 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a)
82 {
83 return ASN1_d2i_fp_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new, d2i_TS_MSG_IMPRINT, fp, a);
84 }
85
86 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a)
87 {
88 return ASN1_i2d_fp_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, fp, a);
89 }
90 #endif
91
92 ASN1_SEQUENCE(TS_REQ) = {
93 ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER),
94 ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT),
95 ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT),
96 ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
97 ASN1_OPT(TS_REQ, cert_req, ASN1_FBOOLEAN),
98 ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
99 } ASN1_SEQUENCE_END(TS_REQ)
100
101 IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
102 IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
103 #ifndef OPENSSL_NO_BIO
104 TS_REQ *d2i_TS_REQ_bio(BIO *bp, TS_REQ **a)
105 {
106 return ASN1_d2i_bio_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, bp, a);
107 }
108
109 int i2d_TS_REQ_bio(BIO *bp, TS_REQ *a)
110 {
111 return ASN1_i2d_bio_of_const(TS_REQ, i2d_TS_REQ, bp, a);
112 }
113 #endif
114 #ifndef OPENSSL_NO_FP_API
115 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a)
116 {
117 return ASN1_d2i_fp_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, fp, a);
118 }
119
120 int i2d_TS_REQ_fp(FILE *fp, TS_REQ *a)
121 {
122 return ASN1_i2d_fp_of_const(TS_REQ, i2d_TS_REQ, fp, a);
123 }
124 #endif
125
126 ASN1_SEQUENCE(TS_ACCURACY) = {
127 ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER),
128 ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0),
129 ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1)
130 } ASN1_SEQUENCE_END(TS_ACCURACY)
131
132 IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY)
133 IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY)
134
135 ASN1_SEQUENCE(TS_TST_INFO) = {
136 ASN1_SIMPLE(TS_TST_INFO, version, ASN1_INTEGER),
137 ASN1_SIMPLE(TS_TST_INFO, policy_id, ASN1_OBJECT),
138 ASN1_SIMPLE(TS_TST_INFO, msg_imprint, TS_MSG_IMPRINT),
139 ASN1_SIMPLE(TS_TST_INFO, serial, ASN1_INTEGER),
140 ASN1_SIMPLE(TS_TST_INFO, time, ASN1_GENERALIZEDTIME),
141 ASN1_OPT(TS_TST_INFO, accuracy, TS_ACCURACY),
142 ASN1_OPT(TS_TST_INFO, ordering, ASN1_FBOOLEAN),
143 ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER),
144 ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0),
145 ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1)
146 } ASN1_SEQUENCE_END(TS_TST_INFO)
147
148 IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
149 IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
150 #ifndef OPENSSL_NO_BIO
151 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
152 {
153 return ASN1_d2i_bio_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, bp, a);
154 }
155
156 int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a)
157 {
158 return ASN1_i2d_bio_of_const(TS_TST_INFO, i2d_TS_TST_INFO, bp, a);
159 }
160 #endif
161 #ifndef OPENSSL_NO_FP_API
162 TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a)
163 {
164 return ASN1_d2i_fp_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, fp, a);
165 }
166
167 int i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a)
168 {
169 return ASN1_i2d_fp_of_const(TS_TST_INFO, i2d_TS_TST_INFO, fp, a);
170 }
171 #endif
172
173 ASN1_SEQUENCE(TS_STATUS_INFO) = {
174 ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER),
175 ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING),
176 ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING)
177 } ASN1_SEQUENCE_END(TS_STATUS_INFO)
178
179 IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO)
180 IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
181
182 static int ts_resp_set_tst_info(TS_RESP *a)
183 {
184 long status;
185
186 status = ASN1_INTEGER_get(a->status_info->status);
187
188 if (a->token) {
189 if (status != 0 && status != 1) {
190 TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_PRESENT);
191 return 0;
192 }
193 if (a->tst_info != NULL)
194 TS_TST_INFO_free(a->tst_info);
195 a->tst_info = PKCS7_to_TS_TST_INFO(a->token);
196 if (!a->tst_info) {
197 TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_PKCS7_TO_TS_TST_INFO_FAILED);
198 return 0;
199 }
200 } else if (status == 0 || status == 1) {
201 TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_NOT_PRESENT);
202 return 0;
203 }
204
205 return 1;
206 }
207
208 static int ts_resp_cb(int op, ASN1_VALUE **pval, const ASN1_ITEM *it,
209 void *exarg)
210 {
211 TS_RESP *ts_resp = (TS_RESP *)*pval;
212 if (op == ASN1_OP_NEW_POST) {
213 ts_resp->tst_info = NULL;
214 } else if (op == ASN1_OP_FREE_POST) {
215 if (ts_resp->tst_info != NULL)
216 TS_TST_INFO_free(ts_resp->tst_info);
217 } else if (op == ASN1_OP_D2I_POST) {
218 if (ts_resp_set_tst_info(ts_resp) == 0)
219 return 0;
220 }
221 return 1;
222 }
223
224 ASN1_SEQUENCE_cb(TS_RESP, ts_resp_cb) = {
225 ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
226 ASN1_OPT(TS_RESP, token, PKCS7),
227 } ASN1_SEQUENCE_END_cb(TS_RESP, TS_RESP)
228
229 IMPLEMENT_ASN1_FUNCTIONS_const(TS_RESP)
230 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
231 #ifndef OPENSSL_NO_BIO
232 TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
233 {
234 return ASN1_d2i_bio_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, bp, a);
235 }
236
237 int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
238 {
239 return ASN1_i2d_bio_of_const(TS_RESP, i2d_TS_RESP, bp, a);
240 }
241 #endif
242 #ifndef OPENSSL_NO_FP_API
243 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
244 {
245 return ASN1_d2i_fp_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, fp, a);
246 }
247
248 int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
249 {
250 return ASN1_i2d_fp_of_const(TS_RESP, i2d_TS_RESP, fp, a);
251 }
252 #endif
253
254 ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
255 ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
256 ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
257 } ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
258
259 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
260 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
261
262 ASN1_SEQUENCE(ESS_CERT_ID) = {
263 ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
264 ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
265 } ASN1_SEQUENCE_END(ESS_CERT_ID)
266
267 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
268 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
269
270 ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
271 ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
272 ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
273 } ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
274
275 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
276 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
277
278 /* Getting encapsulated TS_TST_INFO object from PKCS7. */
279 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
280 {
281 PKCS7_SIGNED *pkcs7_signed;
282 PKCS7 *enveloped;
283 ASN1_TYPE *tst_info_wrapper;
284 ASN1_OCTET_STRING *tst_info_der;
285 const unsigned char *p;
286
287 if (!PKCS7_type_is_signed(token))
288 {
289 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
290 return NULL;
291 }
292
293 /* Content must be present. */
294 if (PKCS7_get_detached(token))
295 {
296 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
297 return NULL;
298 }
299
300 /* We have a signed data with content. */
301 pkcs7_signed = token->d.sign;
302 enveloped = pkcs7_signed->contents;
303 if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo)
304 {
305 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
306 return NULL;
307 }
308
309 /* We have a DER encoded TST_INFO as the signed data. */
310 tst_info_wrapper = enveloped->d.other;
311 if (tst_info_wrapper->type != V_ASN1_OCTET_STRING)
312 {
313 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
314 return NULL;
315 }
316
317 /* We have the correct ASN1_OCTET_STRING type. */
318 tst_info_der = tst_info_wrapper->value.octet_string;
319 /* At last, decode the TST_INFO. */
320 p = tst_info_der->data;
321 return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
322 }