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(i2d_TS_MSG_IMPRINT, bp, (unsigned char *) 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 (TS_MSG_IMPRINT *) ASN1_d2i_fp((char *(*)()) TS_MSG_IMPRINT_new,
  79                 (char *(*)()) d2i_TS_MSG_IMPRINT, fp, (unsigned char **) a);
  80         }
  81
  82 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a)
  83         {
  84         return ASN1_i2d_fp(i2d_TS_MSG_IMPRINT, fp, (unsigned char *) a);
  85         }
  86 #endif
  87
  88 ASN1_SEQUENCE(TS_REQ) = {
  89         ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER),
  90         ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT),
  91         ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT),
  92         ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
  93         ASN1_OPT(TS_REQ, cert_req, ASN1_BOOLEAN),
  94         ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
  95 } ASN1_SEQUENCE_END(TS_REQ)
  96
  97 IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
  98 IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
  99 #ifndef OPENSSL_NO_BIO
 100 TS_REQ *d2i_TS_REQ_bio(BIO *bp, TS_REQ **a)
 101         {
 102         return (TS_REQ *) ASN1_d2i_bio((char *(*)()) TS_REQ_new,
 103                 (char *(*)()) d2i_TS_REQ, bp, (unsigned char **) a);
 104         }
 105
 106 int i2d_TS_REQ_bio(BIO *bp, TS_REQ *a)
 107         {
 108         return ASN1_i2d_bio(i2d_TS_REQ, bp, (unsigned char *) a);
 109         }
 110 #endif
 111 #ifndef OPENSSL_NO_FP_API
 112 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a)
 113         {
 114         return (TS_REQ *) ASN1_d2i_fp((char *(*)()) TS_REQ_new,
 115                 (char *(*)()) d2i_TS_REQ, fp, (unsigned char **) a);
 116         }
 117
 118 int i2d_TS_REQ_fp(FILE *fp, TS_REQ *a)
 119         {
 120         return ASN1_i2d_fp(i2d_TS_REQ, fp, (unsigned char *) a);
 121         }
 122 #endif
 123
 124 ASN1_SEQUENCE(TS_ACCURACY) = {
 125         ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER),
 126         ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0),
 127         ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1)
 128 } ASN1_SEQUENCE_END(TS_ACCURACY)
 129
 130 IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY)
 131 IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY)
 132
 133 ASN1_SEQUENCE(TS_TST_INFO) = {
 134         ASN1_SIMPLE(TS_TST_INFO, version, ASN1_INTEGER),
 135         ASN1_SIMPLE(TS_TST_INFO, policy_id, ASN1_OBJECT),
 136         ASN1_SIMPLE(TS_TST_INFO, msg_imprint, TS_MSG_IMPRINT),
 137         ASN1_SIMPLE(TS_TST_INFO, serial, ASN1_INTEGER),
 138         ASN1_SIMPLE(TS_TST_INFO, time, ASN1_GENERALIZEDTIME),
 139         ASN1_OPT(TS_TST_INFO, accuracy, TS_ACCURACY),
 140         ASN1_OPT(TS_TST_INFO, ordering, ASN1_BOOLEAN),
 141         ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER),
 142         ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0),
 143         ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1)
 144 } ASN1_SEQUENCE_END(TS_TST_INFO)
 145
 146 IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
 147 IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
 148 #ifndef OPENSSL_NO_BIO
 149 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
 150         {
 151         return (TS_TST_INFO *) ASN1_d2i_bio((char *(*)()) TS_TST_INFO_new,
 152                                             (char *(*)()) d2i_TS_TST_INFO,
 153                                             bp, (unsigned char **) a);
 154         }
 155
 156 int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a)
 157         {
 158         return ASN1_i2d_bio(i2d_TS_TST_INFO, bp, (unsigned char *) 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 (TS_TST_INFO *) ASN1_d2i_fp((char *(*)()) TS_TST_INFO_new,
 165                                            (char *(*)()) d2i_TS_TST_INFO,
 166                                            fp, (unsigned char **) a);
 167         }
 168
 169 int i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a)
 170         {
 171         return ASN1_i2d_fp(i2d_TS_TST_INFO, fp, (unsigned char *) a);
 172         }
 173 #endif
 174
 175 ASN1_SEQUENCE(TS_STATUS_INFO) = {
 176         ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER),
 177         ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING),
 178         ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING)
 179 } ASN1_SEQUENCE_END(TS_STATUS_INFO)
 180
 181 IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO)
 182 IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
 183
 184 ASN1_SEQUENCE(TS_RESP) = {
 185         ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
 186         ASN1_OPT(TS_RESP, token, PKCS7),
 187 } ASN1_SEQUENCE_END(TS_RESP)
 188
 189 IMPLEMENT_ASN1_ALLOC_FUNCTIONS_fname(TS_RESP, TS_RESP, TS_RESP_int)
 190 IMPLEMENT_ASN1_ENCODE_FUNCTIONS_const_fname(TS_RESP, TS_RESP, TS_RESP_int)
 191
 192 TS_RESP *TS_RESP_new(void)
 193 {
 194         TS_RESP *ret = TS_RESP_int_new();
 195         if (!ret)
 196                 return NULL;
 197         ret->tst_info = NULL;
 198         return ret;
 199 }
 200
 201 void TS_RESP_free(TS_RESP *a)
 202 {
 203         if (!a)
 204                 return;
 205         if (a->tst_info)
 206                 TS_TST_INFO_free(a->tst_info);
 207         TS_RESP_int_free(a);
 208 }
 209
 210 int i2d_TS_RESP(const TS_RESP *a, unsigned char **pp)
 211 {
 212         return i2d_TS_RESP_int(a, pp);
 213 }
 214
 215 TS_RESP *d2i_TS_RESP(TS_RESP **a, const unsigned char **pp, long len)
 216 {
 217         long    status;
 218         TS_RESP *ret;
 219
 220         ret = d2i_TS_RESP_int(a, pp, len);
 221         if (!ret) {
 222                 TSerr(TS_F_D2I_TS_RESP, TS_R_D2I_TS_RESP_INT_FAILED);
 223                 return NULL;
 224         }
 225         status = ASN1_INTEGER_get(ret->status_info->status);
 226
 227         if (ret->token) {
 228                 if (status != 0 && status != 1) {
 229                         TSerr(TS_F_D2I_TS_RESP, TS_R_TOKEN_PRESENT);
 230                         if (!*a)
 231                                 TS_RESP_free(ret);
 232                         return NULL;
 233                 }
 234                 ret->tst_info = PKCS7_to_TS_TST_INFO(ret->token);
 235                 if (!ret->tst_info) {
 236                         TSerr(TS_F_D2I_TS_RESP, TS_R_PKCS7_TO_TS_TST_INFO_FAILED);
 237                         if (!*a)
 238                                 TS_RESP_free(ret);
 239                         return NULL;
 240                 }
 241         } else if (status == 0 || status == 1) {
 242                 TSerr(TS_F_D2I_TS_RESP, TS_R_TOKEN_NOT_PRESENT);
 243                 if (!*a)
 244                         TS_RESP_free(ret);
 245                 return NULL;
 246         }
 247
 248         return ret;
 249 }
 250
 251 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
 252 #ifndef OPENSSL_NO_BIO
 253 TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
 254         {
 255         return (TS_RESP *) ASN1_d2i_bio((char *(*)()) TS_RESP_new,
 256                                        (char *(*)()) d2i_TS_RESP,
 257                                        bp, (unsigned char **) a);
 258         }
 259
 260 int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
 261         {
 262         return ASN1_i2d_bio(i2d_TS_RESP, bp, (unsigned char *) a);
 263         }
 264 #endif
 265 #ifndef OPENSSL_NO_FP_API
 266 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
 267         {
 268         return (TS_RESP *) ASN1_d2i_fp((char *(*)()) TS_RESP_new,
 269                                        (char *(*)()) d2i_TS_RESP,
 270                                        fp, (unsigned char **) a);
 271         }
 272
 273 int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
 274         {
 275         return ASN1_i2d_fp(i2d_TS_RESP, fp, (unsigned char *) a);
 276         }
 277 #endif
 278
 279 ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
 280         ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
 281         ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
 282 } ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
 283
 284 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
 285 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
 286
 287 ASN1_SEQUENCE(ESS_CERT_ID) = {
 288         ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
 289         ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
 290 } ASN1_SEQUENCE_END(ESS_CERT_ID)
 291
 292 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
 293 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
 294
 295 ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
 296         ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
 297         ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
 298 } ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
 299
 300 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
 301 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
 302
 303 /* Getting encapsulated TS_TST_INFO object from PKCS7. */
 304 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
 305 {
 306         PKCS7_SIGNED *pkcs7_signed;
 307         PKCS7 *enveloped;
 308         ASN1_TYPE *tst_info_wrapper;
 309         ASN1_OCTET_STRING *tst_info_der;
 310         const unsigned char *p;
 311
 312         if (!PKCS7_type_is_signed(token))
 313                 {
 314                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 315                 return NULL;
 316                 }
 317
 318         /* Content must be present. */
 319         if (PKCS7_get_detached(token))
 320                 {
 321                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
 322                 return NULL;
 323                 }
 324
 325         /* We have a signed data with content. */
 326         pkcs7_signed = token->d.sign;
 327         enveloped = pkcs7_signed->contents;
 328         if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo)
 329                 {
 330                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 331                 return NULL;
 332                 }
 333
 334         /* We have a DER encoded TST_INFO as the signed data. */
 335         tst_info_wrapper = enveloped->d.other;
 336         if (tst_info_wrapper->type != V_ASN1_OCTET_STRING)
 337                 {
 338                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
 339                 return NULL;
 340                 }
 341
 342         /* We have the correct ASN1_OCTET_STRING type. */
 343         tst_info_der = tst_info_wrapper->value.octet_string;
 344         /* At last, decode the TST_INFO. */
 345         p = tst_info_der->data;
 346         return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
 347 }