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_FBOOLEAN),
  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_FBOOLEAN),
 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 }