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 #include "ts_lcl.h"
  63
  64 ASN1_SEQUENCE(TS_MSG_IMPRINT) = {
  65         ASN1_SIMPLE(TS_MSG_IMPRINT, hash_algo, X509_ALGOR),
  66         ASN1_SIMPLE(TS_MSG_IMPRINT, hashed_msg, ASN1_OCTET_STRING)
  67 } static_ASN1_SEQUENCE_END(TS_MSG_IMPRINT)
  68
  69 IMPLEMENT_ASN1_FUNCTIONS_const(TS_MSG_IMPRINT)
  70 IMPLEMENT_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT)
  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 #ifndef OPENSSL_NO_STDIO
  82 TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a)
  83 {
  84     return ASN1_d2i_fp_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new,
  85                           d2i_TS_MSG_IMPRINT, fp, a);
  86 }
  87
  88 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a)
  89 {
  90     return ASN1_i2d_fp_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, fp, a);
  91 }
  92 #endif
  93
  94 ASN1_SEQUENCE(TS_REQ) = {
  95         ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER),
  96         ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT),
  97         ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT),
  98         ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
  99         ASN1_OPT(TS_REQ, cert_req, ASN1_FBOOLEAN),
 100         ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
 101 } static_ASN1_SEQUENCE_END(TS_REQ)
 102
 103 IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
 104 IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
 105 TS_REQ *d2i_TS_REQ_bio(BIO *bp, TS_REQ **a)
 106 {
 107     return ASN1_d2i_bio_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, bp, a);
 108 }
 109
 110 int i2d_TS_REQ_bio(BIO *bp, TS_REQ *a)
 111 {
 112     return ASN1_i2d_bio_of_const(TS_REQ, i2d_TS_REQ, bp, a);
 113 }
 114 #ifndef OPENSSL_NO_STDIO
 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 } static_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 } static_ASN1_SEQUENCE_END(TS_TST_INFO)
 147
 148 IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
 149 IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
 150 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
 151 {
 152     return ASN1_d2i_bio_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, bp,
 153                            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 #ifndef OPENSSL_NO_STDIO
 161 TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a)
 162 {
 163     return ASN1_d2i_fp_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, fp,
 164                           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 } static_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         TS_TST_INFO_free(a->tst_info);
 194         a->tst_info = PKCS7_to_TS_TST_INFO(a->token);
 195         if (!a->tst_info) {
 196             TSerr(TS_F_TS_RESP_SET_TST_INFO,
 197                   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         TS_TST_INFO_free(ts_resp->tst_info);
 216     } else if (op == ASN1_OP_D2I_POST) {
 217         if (ts_resp_set_tst_info(ts_resp) == 0)
 218             return 0;
 219     }
 220     return 1;
 221 }
 222
 223 ASN1_SEQUENCE_cb(TS_RESP, ts_resp_cb) = {
 224         ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
 225         ASN1_OPT(TS_RESP, token, PKCS7),
 226 } static_ASN1_SEQUENCE_END_cb(TS_RESP, TS_RESP)
 227
 228 IMPLEMENT_ASN1_FUNCTIONS_const(TS_RESP)
 229
 230 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
 231
 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 #ifndef OPENSSL_NO_STDIO
 242 TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
 243 {
 244     return ASN1_d2i_fp_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, fp, a);
 245 }
 246
 247 int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
 248 {
 249     return ASN1_i2d_fp_of_const(TS_RESP, i2d_TS_RESP, fp, a);
 250 }
 251 #endif
 252
 253 ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
 254         ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
 255         ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
 256 } static_ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
 257
 258 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
 259 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
 260
 261 ASN1_SEQUENCE(ESS_CERT_ID) = {
 262         ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
 263         ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
 264 } static_ASN1_SEQUENCE_END(ESS_CERT_ID)
 265
 266 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
 267 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
 268
 269 ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
 270         ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
 271         ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
 272 } static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
 273
 274 IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
 275 IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
 276
 277 /* Getting encapsulated TS_TST_INFO object from PKCS7. */
 278 TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
 279 {
 280     PKCS7_SIGNED *pkcs7_signed;
 281     PKCS7 *enveloped;
 282     ASN1_TYPE *tst_info_wrapper;
 283     ASN1_OCTET_STRING *tst_info_der;
 284     const unsigned char *p;
 285
 286     if (!PKCS7_type_is_signed(token)) {
 287         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 288         return NULL;
 289     }
 290     if (PKCS7_get_detached(token)) {
 291         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
 292         return NULL;
 293     }
 294     pkcs7_signed = token->d.sign;
 295     enveloped = pkcs7_signed->contents;
 296     if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo) {
 297         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 298         return NULL;
 299     }
 300     tst_info_wrapper = enveloped->d.other;
 301     if (tst_info_wrapper->type != V_ASN1_OCTET_STRING) {
 302         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
 303         return NULL;
 304     }
 305     tst_info_der = tst_info_wrapper->value.octet_string;
 306     p = tst_info_der->data;
 307     return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
 308 }