RT4320/GH705: Fix PEM parsing bug.
[openssl.git] / crypto / ts / ts_asn1.c
1 /*
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,
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44  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
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46  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
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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 #include "ts_lcl.h"
62
63 ASN1_SEQUENCE(TS_MSG_IMPRINT) = {
64         ASN1_SIMPLE(TS_MSG_IMPRINT, hash_algo, X509_ALGOR),
65         ASN1_SIMPLE(TS_MSG_IMPRINT, hashed_msg, ASN1_OCTET_STRING)
66 } static_ASN1_SEQUENCE_END(TS_MSG_IMPRINT)
67
68 IMPLEMENT_ASN1_FUNCTIONS_const(TS_MSG_IMPRINT)
69 IMPLEMENT_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT)
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,
73                            d2i_TS_MSG_IMPRINT, bp, a);
74 }
75
76 int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a)
77 {
78     return ASN1_i2d_bio_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, bp, a);
79 }
80 #ifndef OPENSSL_NO_STDIO
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,
84                           d2i_TS_MSG_IMPRINT, fp, a);
85 }
86
87 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a)
88 {
89     return ASN1_i2d_fp_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, fp, a);
90 }
91 #endif
92
93 ASN1_SEQUENCE(TS_REQ) = {
94         ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER),
95         ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT),
96         ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT),
97         ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
98         ASN1_OPT(TS_REQ, cert_req, ASN1_FBOOLEAN),
99         ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
100 } static_ASN1_SEQUENCE_END(TS_REQ)
101
102 IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
103 IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
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 #ifndef OPENSSL_NO_STDIO
114 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a)
115 {
116     return ASN1_d2i_fp_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, fp, a);
117 }
118
119 int i2d_TS_REQ_fp(FILE *fp, TS_REQ *a)
120 {
121     return ASN1_i2d_fp_of_const(TS_REQ, i2d_TS_REQ, fp, a);
122 }
123 #endif
124
125 ASN1_SEQUENCE(TS_ACCURACY) = {
126         ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER),
127         ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0),
128         ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1)
129 } static_ASN1_SEQUENCE_END(TS_ACCURACY)
130
131 IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY)
132 IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY)
133
134 ASN1_SEQUENCE(TS_TST_INFO) = {
135         ASN1_SIMPLE(TS_TST_INFO, version, ASN1_INTEGER),
136         ASN1_SIMPLE(TS_TST_INFO, policy_id, ASN1_OBJECT),
137         ASN1_SIMPLE(TS_TST_INFO, msg_imprint, TS_MSG_IMPRINT),
138         ASN1_SIMPLE(TS_TST_INFO, serial, ASN1_INTEGER),
139         ASN1_SIMPLE(TS_TST_INFO, time, ASN1_GENERALIZEDTIME),
140         ASN1_OPT(TS_TST_INFO, accuracy, TS_ACCURACY),
141         ASN1_OPT(TS_TST_INFO, ordering, ASN1_FBOOLEAN),
142         ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER),
143         ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0),
144         ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1)
145 } static_ASN1_SEQUENCE_END(TS_TST_INFO)
146
147 IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
148 IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
149 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
150 {
151     return ASN1_d2i_bio_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, bp,
152                            a);
153 }
154
155 int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a)
156 {
157     return ASN1_i2d_bio_of_const(TS_TST_INFO, i2d_TS_TST_INFO, bp, a);
158 }
159 #ifndef OPENSSL_NO_STDIO
160 TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a)
161 {
162     return ASN1_d2i_fp_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, fp,
163                           a);
164 }
165
166 int i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a)
167 {
168     return ASN1_i2d_fp_of_const(TS_TST_INFO, i2d_TS_TST_INFO, fp, a);
169 }
170 #endif
171
172 ASN1_SEQUENCE(TS_STATUS_INFO) = {
173         ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER),
174         ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING),
175         ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING)
176 } static_ASN1_SEQUENCE_END(TS_STATUS_INFO)
177
178 IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO)
179 IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
180
181 static int ts_resp_set_tst_info(TS_RESP *a)
182 {
183     long status;
184
185     status = ASN1_INTEGER_get(a->status_info->status);
186
187     if (a->token) {
188         if (status != 0 && status != 1) {
189             TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_PRESENT);
190             return 0;
191         }
192         TS_TST_INFO_free(a->tst_info);
193         a->tst_info = PKCS7_to_TS_TST_INFO(a->token);
194         if (!a->tst_info) {
195             TSerr(TS_F_TS_RESP_SET_TST_INFO,
196                   TS_R_PKCS7_TO_TS_TST_INFO_FAILED);
197             return 0;
198         }
199     } else if (status == 0 || status == 1) {
200         TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_NOT_PRESENT);
201         return 0;
202     }
203
204     return 1;
205 }
206
207 static int ts_resp_cb(int op, ASN1_VALUE **pval, const ASN1_ITEM *it,
208                       void *exarg)
209 {
210     TS_RESP *ts_resp = (TS_RESP *)*pval;
211     if (op == ASN1_OP_NEW_POST) {
212         ts_resp->tst_info = NULL;
213     } else if (op == ASN1_OP_FREE_POST) {
214         TS_TST_INFO_free(ts_resp->tst_info);
215     } else if (op == ASN1_OP_D2I_POST) {
216         if (ts_resp_set_tst_info(ts_resp) == 0)
217             return 0;
218     }
219     return 1;
220 }
221
222 ASN1_SEQUENCE_cb(TS_RESP, ts_resp_cb) = {
223         ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
224         ASN1_OPT(TS_RESP, token, PKCS7),
225 } static_ASN1_SEQUENCE_END_cb(TS_RESP, TS_RESP)
226
227 IMPLEMENT_ASN1_FUNCTIONS_const(TS_RESP)
228
229 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
230
231 TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
232 {
233     return ASN1_d2i_bio_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, bp, a);
234 }
235
236 int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
237 {
238     return ASN1_i2d_bio_of_const(TS_RESP, i2d_TS_RESP, bp, a);
239 }
240 #ifndef OPENSSL_NO_STDIO
241 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
242 {
243     return ASN1_d2i_fp_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, fp, a);
244 }
245
246 int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
247 {
248     return ASN1_i2d_fp_of_const(TS_RESP, i2d_TS_RESP, fp, a);
249 }
250 #endif
251
252 ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
253         ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
254         ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
255 } static_ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
256
257 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
258 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
259
260 ASN1_SEQUENCE(ESS_CERT_ID) = {
261         ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
262         ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
263 } static_ASN1_SEQUENCE_END(ESS_CERT_ID)
264
265 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
266 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
267
268 ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
269         ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
270         ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
271 } static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
272
273 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
274 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
275
276 /* Getting encapsulated TS_TST_INFO object from PKCS7. */
277 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
278 {
279     PKCS7_SIGNED *pkcs7_signed;
280     PKCS7 *enveloped;
281     ASN1_TYPE *tst_info_wrapper;
282     ASN1_OCTET_STRING *tst_info_der;
283     const unsigned char *p;
284
285     if (!PKCS7_type_is_signed(token)) {
286         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
287         return NULL;
288     }
289     if (PKCS7_get_detached(token)) {
290         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
291         return NULL;
292     }
293     pkcs7_signed = token->d.sign;
294     enveloped = pkcs7_signed->contents;
295     if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo) {
296         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
297         return NULL;
298     }
299     tst_info_wrapper = enveloped->d.other;
300     if (tst_info_wrapper->type != V_ASN1_OCTET_STRING) {
301         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
302         return NULL;
303     }
304     tst_info_der = tst_info_wrapper->value.octet_string;
305     p = tst_info_der->data;
306     return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
307 }