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 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, d2i_TS_MSG_IMPRINT, bp, a);
  73         }
  74
  75 int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a)
  76 {
  77         return ASN1_i2d_bio_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, bp, a);
  78 }
  79 #endif
  80 #ifndef OPENSSL_NO_FP_API
  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, d2i_TS_MSG_IMPRINT, fp, a);
  84         }
  85
  86 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a)
  87         {
  88         return ASN1_i2d_fp_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, fp, a);
  89         }
  90 #endif
  91
  92 ASN1_SEQUENCE(TS_REQ) = {
  93         ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER),
  94         ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT),
  95         ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT),
  96         ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
  97         ASN1_OPT(TS_REQ, cert_req, ASN1_FBOOLEAN),
  98         ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
  99 } ASN1_SEQUENCE_END(TS_REQ)
 100
 101 IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
 102 IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
 103 #ifndef OPENSSL_NO_BIO
 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 #endif
 114 #ifndef OPENSSL_NO_FP_API
 115 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a)
 116         {
 117         return ASN1_d2i_fp_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, fp, a);
 118         }
 119
 120 int i2d_TS_REQ_fp(FILE *fp, TS_REQ *a)
 121         {
 122         return ASN1_i2d_fp_of_const(TS_REQ, i2d_TS_REQ, fp, a);
 123         }
 124 #endif
 125
 126 ASN1_SEQUENCE(TS_ACCURACY) = {
 127         ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER),
 128         ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0),
 129         ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1)
 130 } ASN1_SEQUENCE_END(TS_ACCURACY)
 131
 132 IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY)
 133 IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY)
 134
 135 ASN1_SEQUENCE(TS_TST_INFO) = {
 136         ASN1_SIMPLE(TS_TST_INFO, version, ASN1_INTEGER),
 137         ASN1_SIMPLE(TS_TST_INFO, policy_id, ASN1_OBJECT),
 138         ASN1_SIMPLE(TS_TST_INFO, msg_imprint, TS_MSG_IMPRINT),
 139         ASN1_SIMPLE(TS_TST_INFO, serial, ASN1_INTEGER),
 140         ASN1_SIMPLE(TS_TST_INFO, time, ASN1_GENERALIZEDTIME),
 141         ASN1_OPT(TS_TST_INFO, accuracy, TS_ACCURACY),
 142         ASN1_OPT(TS_TST_INFO, ordering, ASN1_FBOOLEAN),
 143         ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER),
 144         ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0),
 145         ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1)
 146 } ASN1_SEQUENCE_END(TS_TST_INFO)
 147
 148 IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
 149 IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
 150 #ifndef OPENSSL_NO_BIO
 151 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
 152         {
 153         return ASN1_d2i_bio_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, bp, a);
 154         }
 155
 156 int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a)
 157         {
 158         return ASN1_i2d_bio_of_const(TS_TST_INFO, i2d_TS_TST_INFO, bp, 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 ASN1_d2i_fp_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, fp, a);
 165         }
 166
 167 int i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a)
 168         {
 169         return ASN1_i2d_fp_of_const(TS_TST_INFO, i2d_TS_TST_INFO, fp, a);
 170         }
 171 #endif
 172
 173 ASN1_SEQUENCE(TS_STATUS_INFO) = {
 174         ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER),
 175         ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING),
 176         ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING)
 177 } ASN1_SEQUENCE_END(TS_STATUS_INFO)
 178
 179 IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO)
 180 IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
 181
 182 static int ts_resp_set_tst_info(TS_RESP *a)
 183 {
 184         long    status;
 185
 186         status = ASN1_INTEGER_get(a->status_info->status);
 187
 188         if (a->token) {
 189                 if (status != 0 && status != 1) {
 190                         TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_PRESENT);
 191                         return 0;
 192                 }
 193                 if (a->tst_info != NULL)
 194                         TS_TST_INFO_free(a->tst_info);
 195                 a->tst_info = PKCS7_to_TS_TST_INFO(a->token);
 196                 if (!a->tst_info) {
 197                         TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_PKCS7_TO_TS_TST_INFO_FAILED);
 198                         return 0;
 199                 }
 200         } else if (status == 0 || status == 1) {
 201                 TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_NOT_PRESENT);
 202                 return 0;
 203         }
 204
 205         return 1;
 206 }
 207
 208 static int ts_resp_cb(int op, ASN1_VALUE **pval, const ASN1_ITEM *it,
 209         void *exarg)
 210 {
 211         TS_RESP *ts_resp = (TS_RESP *)*pval;
 212         if (op == ASN1_OP_NEW_POST) {
 213                 ts_resp->tst_info = NULL;
 214         } else if (op == ASN1_OP_FREE_POST) {
 215                 if (ts_resp->tst_info != NULL)
 216                         TS_TST_INFO_free(ts_resp->tst_info);
 217         } else if (op == ASN1_OP_D2I_POST) {
 218                 if (ts_resp_set_tst_info(ts_resp) == 0)
 219                         return 0;
 220         }
 221         return 1;
 222 }
 223
 224 ASN1_SEQUENCE_cb(TS_RESP, ts_resp_cb) = {
 225         ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
 226         ASN1_OPT(TS_RESP, token, PKCS7),
 227 } ASN1_SEQUENCE_END_cb(TS_RESP, TS_RESP)
 228
 229 IMPLEMENT_ASN1_FUNCTIONS_const(TS_RESP)
 230 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
 231 #ifndef OPENSSL_NO_BIO
 232 TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
 233         {
 234         return ASN1_d2i_bio_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, bp, a);
 235         }
 236
 237 int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
 238         {
 239         return ASN1_i2d_bio_of_const(TS_RESP, i2d_TS_RESP, bp, a);
 240         }
 241 #endif
 242 #ifndef OPENSSL_NO_FP_API
 243 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
 244         {
 245         return ASN1_d2i_fp_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, fp, a);
 246         }
 247
 248 int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
 249         {
 250         return ASN1_i2d_fp_of_const(TS_RESP, i2d_TS_RESP, fp, a);
 251         }
 252 #endif
 253
 254 ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
 255         ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
 256         ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
 257 } ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
 258
 259 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
 260 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
 261
 262 ASN1_SEQUENCE(ESS_CERT_ID) = {
 263         ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
 264         ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
 265 } ASN1_SEQUENCE_END(ESS_CERT_ID)
 266
 267 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
 268 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
 269
 270 ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
 271         ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
 272         ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
 273 } ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
 274
 275 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
 276 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
 277
 278 /* Getting encapsulated TS_TST_INFO object from PKCS7. */
 279 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
 280 {
 281         PKCS7_SIGNED *pkcs7_signed;
 282         PKCS7 *enveloped;
 283         ASN1_TYPE *tst_info_wrapper;
 284         ASN1_OCTET_STRING *tst_info_der;
 285         const unsigned char *p;
 286
 287         if (!PKCS7_type_is_signed(token))
 288                 {
 289                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 290                 return NULL;
 291                 }
 292
 293         /* Content must be present. */
 294         if (PKCS7_get_detached(token))
 295                 {
 296                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
 297                 return NULL;
 298                 }
 299
 300         /* We have a signed data with content. */
 301         pkcs7_signed = token->d.sign;
 302         enveloped = pkcs7_signed->contents;
 303         if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo)
 304                 {
 305                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 306                 return NULL;
 307                 }
 308
 309         /* We have a DER encoded TST_INFO as the signed data. */
 310         tst_info_wrapper = enveloped->d.other;
 311         if (tst_info_wrapper->type != V_ASN1_OCTET_STRING)
 312                 {
 313                 TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
 314                 return NULL;
 315                 }
 316
 317         /* We have the correct ASN1_OCTET_STRING type. */
 318         tst_info_der = tst_info_wrapper->value.octet_string;
 319         /* At last, decode the TST_INFO. */
 320         p = tst_info_der->data;
 321         return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
 322 }