crypto/ts/ts_asn1.c

   1 /* crypto/ts/ts_asn1.c */
   2 /*
   3  * Written by Nils Larsch for the OpenSSL project 2004.
   4  */
   5 /* ====================================================================
   6  * Copyright (c) 2006 The OpenSSL Project.  All rights reserved.
   7  *
   8  * Redistribution and use in source and binary forms, with or without
   9  * modification, are permitted provided that the following conditions
  10  * are met:
  11  *
  12  * 1. Redistributions of source code must retain the above copyright
  13  *    notice, this list of conditions and the following disclaimer.
  14  *
  15  * 2. Redistributions in binary form must reproduce the above copyright
  16  *    notice, this list of conditions and the following disclaimer in
  17  *    the documentation and/or other materials provided with the
  18  *    distribution.
  19  *
  20  * 3. All advertising materials mentioning features or use of this
  21  *    software must display the following acknowledgment:
  22  *    "This product includes software developed by the OpenSSL Project
  23  *    for use in the OpenSSL Toolkit. (http://www.OpenSSL.org/)"
  24  *
  25  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
  26  *    endorse or promote products derived from this software without
  27  *    prior written permission. For written permission, please contact
  28  *    licensing@OpenSSL.org.
  29  *
  30  * 5. Products derived from this software may not be called "OpenSSL"
  31  *    nor may "OpenSSL" appear in their names without prior written
  32  *    permission of the OpenSSL Project.
  33  *
  34  * 6. Redistributions of any form whatsoever must retain the following
  35  *    acknowledgment:
  36  *    "This product includes software developed by the OpenSSL Project
  37  *    for use in the OpenSSL Toolkit (http://www.OpenSSL.org/)"
  38  *
  39  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
  40  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
  41  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
  42  * PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
  43  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
  44  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  45  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
  46  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
  47  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
  48  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
  49  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
  50  * OF THE POSSIBILITY OF SUCH DAMAGE.
  51  * ====================================================================
  52  *
  53  * This product includes cryptographic software written by Eric Young
  54  * (eay@cryptsoft.com).  This product includes software written by Tim
  55  * Hudson (tjh@cryptsoft.com).
  56  *
  57  */
  58
  59 #include <openssl/ts.h>
  60 #include <openssl/err.h>
  61 #include <openssl/asn1t.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 } ASN1_SEQUENCE_END(TS_MSG_IMPRINT)
  67
  68 IMPLEMENT_ASN1_FUNCTIONS_const(TS_MSG_IMPRINT)
  69 IMPLEMENT_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT)
  70 #ifndef OPENSSL_NO_BIO
  71 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT **a)
  72 {
  73     return ASN1_d2i_bio_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new,
  74                            d2i_TS_MSG_IMPRINT, bp, a);
  75 }
  76
  77 int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a)
  78 {
  79     return ASN1_i2d_bio_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, bp, a);
  80 }
  81 #endif
  82 #ifndef OPENSSL_NO_STDIO
  83 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a)
  84 {
  85     return ASN1_d2i_fp_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new,
  86                           d2i_TS_MSG_IMPRINT, fp, a);
  87 }
  88
  89 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a)
  90 {
  91     return ASN1_i2d_fp_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, fp, a);
  92 }
  93 #endif
  94
  95 ASN1_SEQUENCE(TS_REQ) = {
  96         ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER),
  97         ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT),
  98         ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT),
  99         ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
 100         ASN1_OPT(TS_REQ, cert_req, ASN1_FBOOLEAN),
 101         ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
 102 } ASN1_SEQUENCE_END(TS_REQ)
 103
 104 IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
 105 IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
 106 #ifndef OPENSSL_NO_BIO
 107 TS_REQ *d2i_TS_REQ_bio(BIO *bp, TS_REQ **a)
 108 {
 109     return ASN1_d2i_bio_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, bp, a);
 110 }
 111
 112 int i2d_TS_REQ_bio(BIO *bp, TS_REQ *a)
 113 {
 114     return ASN1_i2d_bio_of_const(TS_REQ, i2d_TS_REQ, bp, a);
 115 }
 116 #endif
 117 #ifndef OPENSSL_NO_STDIO
 118 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a)
 119 {
 120     return ASN1_d2i_fp_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, fp, a);
 121 }
 122
 123 int i2d_TS_REQ_fp(FILE *fp, TS_REQ *a)
 124 {
 125     return ASN1_i2d_fp_of_const(TS_REQ, i2d_TS_REQ, fp, a);
 126 }
 127 #endif
 128
 129 ASN1_SEQUENCE(TS_ACCURACY) = {
 130         ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER),
 131         ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0),
 132         ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1)
 133 } ASN1_SEQUENCE_END(TS_ACCURACY)
 134
 135 IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY)
 136 IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY)
 137
 138 ASN1_SEQUENCE(TS_TST_INFO) = {
 139         ASN1_SIMPLE(TS_TST_INFO, version, ASN1_INTEGER),
 140         ASN1_SIMPLE(TS_TST_INFO, policy_id, ASN1_OBJECT),
 141         ASN1_SIMPLE(TS_TST_INFO, msg_imprint, TS_MSG_IMPRINT),
 142         ASN1_SIMPLE(TS_TST_INFO, serial, ASN1_INTEGER),
 143         ASN1_SIMPLE(TS_TST_INFO, time, ASN1_GENERALIZEDTIME),
 144         ASN1_OPT(TS_TST_INFO, accuracy, TS_ACCURACY),
 145         ASN1_OPT(TS_TST_INFO, ordering, ASN1_FBOOLEAN),
 146         ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER),
 147         ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0),
 148         ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1)
 149 } ASN1_SEQUENCE_END(TS_TST_INFO)
 150
 151 IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
 152 IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
 153 #ifndef OPENSSL_NO_BIO
 154 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
 155 {
 156     return ASN1_d2i_bio_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, bp,
 157                            a);
 158 }
 159
 160 int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a)
 161 {
 162     return ASN1_i2d_bio_of_const(TS_TST_INFO, i2d_TS_TST_INFO, bp, a);
 163 }
 164 #endif
 165 #ifndef OPENSSL_NO_STDIO
 166 TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a)
 167 {
 168     return ASN1_d2i_fp_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, fp,
 169                           a);
 170 }
 171
 172 int i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a)
 173 {
 174     return ASN1_i2d_fp_of_const(TS_TST_INFO, i2d_TS_TST_INFO, fp, a);
 175 }
 176 #endif
 177
 178 ASN1_SEQUENCE(TS_STATUS_INFO) = {
 179         ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER),
 180         ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING),
 181         ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING)
 182 } ASN1_SEQUENCE_END(TS_STATUS_INFO)
 183
 184 IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO)
 185 IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
 186
 187 static int ts_resp_set_tst_info(TS_RESP *a)
 188 {
 189     long status;
 190
 191     status = ASN1_INTEGER_get(a->status_info->status);
 192
 193     if (a->token) {
 194         if (status != 0 && status != 1) {
 195             TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_PRESENT);
 196             return 0;
 197         }
 198         if (a->tst_info != NULL)
 199             TS_TST_INFO_free(a->tst_info);
 200         a->tst_info = PKCS7_to_TS_TST_INFO(a->token);
 201         if (!a->tst_info) {
 202             TSerr(TS_F_TS_RESP_SET_TST_INFO,
 203                   TS_R_PKCS7_TO_TS_TST_INFO_FAILED);
 204             return 0;
 205         }
 206     } else if (status == 0 || status == 1) {
 207         TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_NOT_PRESENT);
 208         return 0;
 209     }
 210
 211     return 1;
 212 }
 213
 214 static int ts_resp_cb(int op, ASN1_VALUE **pval, const ASN1_ITEM *it,
 215                       void *exarg)
 216 {
 217     TS_RESP *ts_resp = (TS_RESP *)*pval;
 218     if (op == ASN1_OP_NEW_POST) {
 219         ts_resp->tst_info = NULL;
 220     } else if (op == ASN1_OP_FREE_POST) {
 221         if (ts_resp->tst_info != NULL)
 222             TS_TST_INFO_free(ts_resp->tst_info);
 223     } else if (op == ASN1_OP_D2I_POST) {
 224         if (ts_resp_set_tst_info(ts_resp) == 0)
 225             return 0;
 226     }
 227     return 1;
 228 }
 229
 230 ASN1_SEQUENCE_cb(TS_RESP, ts_resp_cb) = {
 231         ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
 232         ASN1_OPT(TS_RESP, token, PKCS7),
 233 } ASN1_SEQUENCE_END_cb(TS_RESP, TS_RESP)
 234
 235 IMPLEMENT_ASN1_FUNCTIONS_const(TS_RESP)
 236
 237 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
 238
 239 #ifndef OPENSSL_NO_BIO
 240 TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
 241 {
 242     return ASN1_d2i_bio_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, bp, a);
 243 }
 244
 245 int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
 246 {
 247     return ASN1_i2d_bio_of_const(TS_RESP, i2d_TS_RESP, bp, a);
 248 }
 249 #endif
 250 #ifndef OPENSSL_NO_STDIO
 251 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
 252 {
 253     return ASN1_d2i_fp_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, fp, a);
 254 }
 255
 256 int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
 257 {
 258     return ASN1_i2d_fp_of_const(TS_RESP, i2d_TS_RESP, fp, a);
 259 }
 260 #endif
 261
 262 ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
 263         ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
 264         ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
 265 } ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
 266
 267 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
 268 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
 269
 270 ASN1_SEQUENCE(ESS_CERT_ID) = {
 271         ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
 272         ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
 273 } ASN1_SEQUENCE_END(ESS_CERT_ID)
 274
 275 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
 276 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
 277
 278 ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
 279         ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
 280         ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
 281 } ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
 282
 283 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
 284 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
 285
 286 /* Getting encapsulated TS_TST_INFO object from PKCS7. */
 287 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
 288 {
 289     PKCS7_SIGNED *pkcs7_signed;
 290     PKCS7 *enveloped;
 291     ASN1_TYPE *tst_info_wrapper;
 292     ASN1_OCTET_STRING *tst_info_der;
 293     const unsigned char *p;
 294
 295     if (!PKCS7_type_is_signed(token)) {
 296         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 297         return NULL;
 298     }
 299
 300     /* Content must be present. */
 301     if (PKCS7_get_detached(token)) {
 302         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
 303         return NULL;
 304     }
 305
 306     /* We have a signed data with content. */
 307     pkcs7_signed = token->d.sign;
 308     enveloped = pkcs7_signed->contents;
 309     if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo) {
 310         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 311         return NULL;
 312     }
 313
 314     /* We have a DER encoded TST_INFO as the signed data. */
 315     tst_info_wrapper = enveloped->d.other;
 316     if (tst_info_wrapper->type != V_ASN1_OCTET_STRING) {
 317         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
 318         return NULL;
 319     }
 320
 321     /* We have the correct ASN1_OCTET_STRING type. */
 322     tst_info_der = tst_info_wrapper->value.octet_string;
 323     /* At last, decode the TST_INFO. */
 324     p = tst_info_der->data;
 325     return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
 326 }