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 ASN1_SEQUENCE(TS_RESP) = {
 178         ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
 179         ASN1_OPT(TS_RESP, token, PKCS7),
 180 } ASN1_SEQUENCE_END(TS_RESP)
 181
 182 DECLARE_ASN1_ALLOC_FUNCTIONS_name(TS_RESP, TS_RESP_int)
 183 IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(TS_RESP, TS_RESP, TS_RESP_int)
 184 DECLARE_ASN1_ENCODE_FUNCTIONS_const(TS_RESP, TS_RESP_int)
 185 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(TS_RESP, TS_RESP, TS_RESP_int)
 186
 187 TS_RESP *TS_RESP_new(void)
 188 {
 189         TS_RESP *ret = TS_RESP_int_new();
 190         if (!ret)
 191                 return NULL;
 192         ret->tst_info = NULL;
 193         return ret;
 194 }
 195
 196 void TS_RESP_free(TS_RESP *a)
 197 {
 198         if (!a)
 199                 return;
 200         if (a->tst_info)
 201                 TS_TST_INFO_free(a->tst_info);
 202         TS_RESP_int_free(a);
 203 }
 204
 205 int i2d_TS_RESP(const TS_RESP *a, unsigned char **pp)
 206 {
 207         return i2d_TS_RESP_int(a, pp);
 208 }
 209
 210 TS_RESP *d2i_TS_RESP(TS_RESP **a, const unsigned char **pp, long len)
 211 {
 212         long    status;
 213         TS_RESP *ret;
 214
 215         ret = d2i_TS_RESP_int(a, pp, len);
 216         if (!ret) {
 217                 TSerr(TS_F_D2I_TS_RESP, TS_R_D2I_TS_RESP_INT_FAILED);
 218                 return NULL;
 219         }
 220         status = ASN1_INTEGER_get(ret->status_info->status);
 221
 222         if (ret->token) {
 223                 if (status != 0 && status != 1) {
 224                         TSerr(TS_F_D2I_TS_RESP, TS_R_TOKEN_PRESENT);
 225                         if (!*a)
 226                                 TS_RESP_free(ret);
 227                         return NULL;
 228                 }
 229                 ret->tst_info = PKCS7_to_TS_TST_INFO(ret->token);
 230                 if (!ret->tst_info) {
 231                         TSerr(TS_F_D2I_TS_RESP, TS_R_PKCS7_TO_TS_TST_INFO_FAILED);
 232                         if (!*a)
 233                                 TS_RESP_free(ret);
 234                         return NULL;
 235                 }
 236         } else if (status == 0 || status == 1) {
 237                 TSerr(TS_F_D2I_TS_RESP, TS_R_TOKEN_NOT_PRESENT);
 238                 if (!*a)
 239                         TS_RESP_free(ret);
 240                 return NULL;
 241         }
 242
 243         return ret;
 244 }
 245
 246 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
 247 #ifndef OPENSSL_NO_BIO
 248 TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
 249         {
 250         return ASN1_d2i_bio_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, bp, a);
 251         }
 252
 253 int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
 254         {
 255         return ASN1_i2d_bio_of_const(TS_RESP, i2d_TS_RESP, bp, a);
 256         }
 257 #endif
 258 #ifndef OPENSSL_NO_FP_API
 259 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
 260         {
 261         return ASN1_d2i_fp_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, fp, a);
 262         }
 263
 264 int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
 265         {
 266         return ASN1_i2d_fp_of_const(TS_RESP, i2d_TS_RESP, fp, a);
 267         }
 268 #endif
 269
 270 ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
 271         ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
 272         ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
 273 } ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
 274
 275 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
 276 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
 277
 278 ASN1_SEQUENCE(ESS_CERT_ID) = {
 279         ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
 280         ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
 281 } ASN1_SEQUENCE_END(ESS_CERT_ID)
 282
 283 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
 284 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
 285
 286 ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
 287         ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
 288         ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
 289 } ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
 290
 291 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
 292 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
 293
 294 /* Getting encapsulated TS_TST_INFO object from PKCS7. */
 295 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
 296 {
 297         PKCS7_SIGNED *pkcs7_signed;
 298         PKCS7 *enveloped;
 299         ASN1_TYPE *tst_info_wrapper;
 300         ASN1_OCTET_STRING *tst_info_der;
 301         const unsigned char *p;
 302
 303         if (!PKCS7_type_is_signed(token))
 304                 {
 305                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 306                 return NULL;
 307                 }
 308
 309         /* Content must be present. */
 310         if (PKCS7_get_detached(token))
 311                 {
 312                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
 313                 return NULL;
 314                 }
 315
 316         /* We have a signed data with content. */
 317         pkcs7_signed = token->d.sign;
 318         enveloped = pkcs7_signed->contents;
 319         if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo)
 320                 {
 321                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 322                 return NULL;
 323                 }
 324
 325         /* We have a DER encoded TST_INFO as the signed data. */
 326         tst_info_wrapper = enveloped->d.other;
 327         if (tst_info_wrapper->type != V_ASN1_OCTET_STRING)
 328                 {
 329                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
 330                 return NULL;
 331                 }
 332
 333         /* We have the correct ASN1_OCTET_STRING type. */
 334         tst_info_der = tst_info_wrapper->value.octet_string;
 335         /* At last, decode the TST_INFO. */
 336         p = tst_info_der->data;
 337         return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
 338 }