use asn1 callbacks for new, free and d2i
[openssl.git] / crypto / ts / ts_asn1.c
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 int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a)
71 {
72         return ASN1_i2d_bio_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, bp, a);
73 }
74 #endif
75 #ifndef OPENSSL_NO_FP_API
76 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a)
77         {
78         return ASN1_d2i_fp_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new, d2i_TS_MSG_IMPRINT, fp, a);
79         }
80
81 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a)
82         {
83         return ASN1_i2d_fp_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, fp, a);
84         }
85 #endif
86
87 ASN1_SEQUENCE(TS_REQ) = {
88         ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER),
89         ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT),
90         ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT),
91         ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
92         ASN1_OPT(TS_REQ, cert_req, ASN1_BOOLEAN),
93         ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
94 } ASN1_SEQUENCE_END(TS_REQ)
95
96 IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
97 IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
98 #ifndef OPENSSL_NO_BIO
99 TS_REQ *d2i_TS_REQ_bio(BIO *bp, TS_REQ **a)
100         {
101         return ASN1_d2i_bio_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, bp, a);
102         }
103
104 int i2d_TS_REQ_bio(BIO *bp, TS_REQ *a)
105         {
106         return ASN1_i2d_bio_of_const(TS_REQ, i2d_TS_REQ, bp, a);
107         }
108 #endif
109 #ifndef OPENSSL_NO_FP_API
110 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a)
111         {
112         return ASN1_d2i_fp_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, fp, a);
113         }
114
115 int i2d_TS_REQ_fp(FILE *fp, TS_REQ *a)
116         {
117         return ASN1_i2d_fp_of_const(TS_REQ, i2d_TS_REQ, fp, a);
118         }
119 #endif
120
121 ASN1_SEQUENCE(TS_ACCURACY) = {
122         ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER),
123         ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0),
124         ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1)
125 } ASN1_SEQUENCE_END(TS_ACCURACY)
126
127 IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY)
128 IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY)
129
130 ASN1_SEQUENCE(TS_TST_INFO) = {
131         ASN1_SIMPLE(TS_TST_INFO, version, ASN1_INTEGER),
132         ASN1_SIMPLE(TS_TST_INFO, policy_id, ASN1_OBJECT),
133         ASN1_SIMPLE(TS_TST_INFO, msg_imprint, TS_MSG_IMPRINT),
134         ASN1_SIMPLE(TS_TST_INFO, serial, ASN1_INTEGER),
135         ASN1_SIMPLE(TS_TST_INFO, time, ASN1_GENERALIZEDTIME),
136         ASN1_OPT(TS_TST_INFO, accuracy, TS_ACCURACY),
137         ASN1_OPT(TS_TST_INFO, ordering, ASN1_BOOLEAN),
138         ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER),
139         ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0),
140         ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1)
141 } ASN1_SEQUENCE_END(TS_TST_INFO)
142
143 IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
144 IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
145 #ifndef OPENSSL_NO_BIO
146 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
147         {
148         return ASN1_d2i_bio_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, bp, a);
149         }
150
151 int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a)
152         {
153         return ASN1_i2d_bio_of_const(TS_TST_INFO, i2d_TS_TST_INFO, bp, a);
154         }
155 #endif
156 #ifndef OPENSSL_NO_FP_API
157 TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a)
158         {
159         return ASN1_d2i_fp_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, fp, a);
160         }
161
162 int i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a)
163         {
164         return ASN1_i2d_fp_of_const(TS_TST_INFO, i2d_TS_TST_INFO, fp, a);
165         }
166 #endif
167
168 ASN1_SEQUENCE(TS_STATUS_INFO) = {
169         ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER),
170         ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING),
171         ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING)
172 } ASN1_SEQUENCE_END(TS_STATUS_INFO)
173
174 IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO)
175 IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
176
177 static int ts_resp_set_tst_info(TS_RESP *a)
178 {
179         long    status;
180
181         status = ASN1_INTEGER_get(a->status_info->status);
182
183         if (a->token) {
184                 if (status != 0 && status != 1) {
185                         TSerr(TS_F_D2I_TS_RESP, TS_R_TOKEN_PRESENT);
186                         return 0;
187                 }
188                 if (a->tst_info != NULL)
189                         TS_TST_INFO_free(a->tst_info);
190                 a->tst_info = PKCS7_to_TS_TST_INFO(a->token);
191                 if (!a->tst_info) {
192                         TSerr(TS_F_D2I_TS_RESP, TS_R_PKCS7_TO_TS_TST_INFO_FAILED);
193                         return 0;
194                 }
195         } else if (status == 0 || status == 1) {
196                 TSerr(TS_F_D2I_TS_RESP, TS_R_TOKEN_NOT_PRESENT);
197                 return 0;
198         }
199
200         return 1;
201 }
202
203 static int ts_resp_cb(int op, ASN1_VALUE **pval, const ASN1_ITEM *it,
204         void *exarg)
205 {
206         TS_RESP *ts_resp = (TS_RESP *)*pval;
207         if (op == ASN1_OP_NEW_POST) {
208                 ts_resp->tst_info = NULL;
209         } else if (op == ASN1_OP_FREE_POST) {
210                 if (ts_resp->tst_info != NULL)
211                         TS_TST_INFO_free(ts_resp->tst_info);
212         } else if (op == ASN1_OP_D2I_POST) {
213                 if (ts_resp_set_tst_info(ts_resp) == 0)
214                         return 0;
215         }
216         return 1;
217 }
218
219 ASN1_SEQUENCE_cb(TS_RESP, ts_resp_cb) = {
220         ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
221         ASN1_OPT(TS_RESP, token, PKCS7),
222 } ASN1_SEQUENCE_END_cb(TS_RESP, TS_RESP)
223
224 IMPLEMENT_ASN1_FUNCTIONS_const(TS_RESP)
225 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
226 #ifndef OPENSSL_NO_BIO
227 TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
228         {
229         return ASN1_d2i_bio_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, bp, a);
230         }
231
232 int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
233         {
234         return ASN1_i2d_bio_of_const(TS_RESP, i2d_TS_RESP, bp, a);
235         }
236 #endif
237 #ifndef OPENSSL_NO_FP_API
238 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
239         {
240         return ASN1_d2i_fp_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, fp, a);
241         }
242
243 int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
244         {
245         return ASN1_i2d_fp_of_const(TS_RESP, i2d_TS_RESP, fp, a);
246         }
247 #endif
248
249 ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
250         ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
251         ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
252 } ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
253
254 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
255 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
256
257 ASN1_SEQUENCE(ESS_CERT_ID) = {
258         ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
259         ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
260 } ASN1_SEQUENCE_END(ESS_CERT_ID)
261
262 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
263 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
264
265 ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
266         ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
267         ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
268 } ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
269
270 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
271 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
272
273 /* Getting encapsulated TS_TST_INFO object from PKCS7. */
274 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
275 {
276         PKCS7_SIGNED *pkcs7_signed;
277         PKCS7 *enveloped;
278         ASN1_TYPE *tst_info_wrapper;
279         ASN1_OCTET_STRING *tst_info_der;
280         const unsigned char *p;
281
282         if (!PKCS7_type_is_signed(token))
283                 {
284                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
285                 return NULL;
286                 }
287
288         /* Content must be present. */
289         if (PKCS7_get_detached(token))
290                 {
291                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
292                 return NULL;
293                 }
294
295         /* We have a signed data with content. */
296         pkcs7_signed = token->d.sign;
297         enveloped = pkcs7_signed->contents;
298         if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo)
299                 {
300                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
301                 return NULL;
302                 }
303
304         /* We have a DER encoded TST_INFO as the signed data. */
305         tst_info_wrapper = enveloped->d.other;
306         if (tst_info_wrapper->type != V_ASN1_OCTET_STRING)
307                 {
308                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
309                 return NULL;
310                 }
311
312         /* We have the correct ASN1_OCTET_STRING type. */
313         tst_info_der = tst_info_wrapper->value.octet_string;
314         /* At last, decode the TST_INFO. */
315         p = tst_info_der->data;
316         return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
317 }