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 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,
  73                            d2i_TS_MSG_IMPRINT, bp, a);
  74 }
  75
  76 int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a)
  77 {
  78     return ASN1_i2d_bio_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, bp, a);
  79 }
  80 #ifndef OPENSSL_NO_STDIO
  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,
  84                           d2i_TS_MSG_IMPRINT, fp, a);
  85 }
  86
  87 int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a)
  88 {
  89     return ASN1_i2d_fp_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, fp, a);
  90 }
  91 #endif
  92
  93 ASN1_SEQUENCE(TS_REQ) = {
  94         ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER),
  95         ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT),
  96         ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT),
  97         ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
  98         ASN1_OPT(TS_REQ, cert_req, ASN1_FBOOLEAN),
  99         ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
 100 } ASN1_SEQUENCE_END(TS_REQ)
 101
 102 IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
 103 IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
 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 #ifndef OPENSSL_NO_STDIO
 114 TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a)
 115 {
 116     return ASN1_d2i_fp_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, fp, a);
 117 }
 118
 119 int i2d_TS_REQ_fp(FILE *fp, TS_REQ *a)
 120 {
 121     return ASN1_i2d_fp_of_const(TS_REQ, i2d_TS_REQ, fp, a);
 122 }
 123 #endif
 124
 125 ASN1_SEQUENCE(TS_ACCURACY) = {
 126         ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER),
 127         ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0),
 128         ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1)
 129 } ASN1_SEQUENCE_END(TS_ACCURACY)
 130
 131 IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY)
 132 IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY)
 133
 134 ASN1_SEQUENCE(TS_TST_INFO) = {
 135         ASN1_SIMPLE(TS_TST_INFO, version, ASN1_INTEGER),
 136         ASN1_SIMPLE(TS_TST_INFO, policy_id, ASN1_OBJECT),
 137         ASN1_SIMPLE(TS_TST_INFO, msg_imprint, TS_MSG_IMPRINT),
 138         ASN1_SIMPLE(TS_TST_INFO, serial, ASN1_INTEGER),
 139         ASN1_SIMPLE(TS_TST_INFO, time, ASN1_GENERALIZEDTIME),
 140         ASN1_OPT(TS_TST_INFO, accuracy, TS_ACCURACY),
 141         ASN1_OPT(TS_TST_INFO, ordering, ASN1_FBOOLEAN),
 142         ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER),
 143         ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0),
 144         ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1)
 145 } ASN1_SEQUENCE_END(TS_TST_INFO)
 146
 147 IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
 148 IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
 149 TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
 150 {
 151     return ASN1_d2i_bio_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, bp,
 152                            a);
 153 }
 154
 155 int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a)
 156 {
 157     return ASN1_i2d_bio_of_const(TS_TST_INFO, i2d_TS_TST_INFO, bp, a);
 158 }
 159 #ifndef OPENSSL_NO_STDIO
 160 TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a)
 161 {
 162     return ASN1_d2i_fp_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, fp,
 163                           a);
 164 }
 165
 166 int i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a)
 167 {
 168     return ASN1_i2d_fp_of_const(TS_TST_INFO, i2d_TS_TST_INFO, fp, a);
 169 }
 170 #endif
 171
 172 ASN1_SEQUENCE(TS_STATUS_INFO) = {
 173         ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER),
 174         ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING),
 175         ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING)
 176 } ASN1_SEQUENCE_END(TS_STATUS_INFO)
 177
 178 IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO)
 179 IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
 180
 181 static int ts_resp_set_tst_info(TS_RESP *a)
 182 {
 183     long status;
 184
 185     status = ASN1_INTEGER_get(a->status_info->status);
 186
 187     if (a->token) {
 188         if (status != 0 && status != 1) {
 189             TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_PRESENT);
 190             return 0;
 191         }
 192         if (a->tst_info != NULL)
 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         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
 231 IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
 232
 233 TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
 234 {
 235     return ASN1_d2i_bio_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, bp, a);
 236 }
 237
 238 int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
 239 {
 240     return ASN1_i2d_bio_of_const(TS_RESP, i2d_TS_RESP, bp, a);
 241 }
 242 #ifndef OPENSSL_NO_STDIO
 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         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 289         return NULL;
 290     }
 291
 292     /* Content must be present. */
 293     if (PKCS7_get_detached(token)) {
 294         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
 295         return NULL;
 296     }
 297
 298     /* We have a signed data with content. */
 299     pkcs7_signed = token->d.sign;
 300     enveloped = pkcs7_signed->contents;
 301     if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo) {
 302         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
 303         return NULL;
 304     }
 305
 306     /* We have a DER encoded TST_INFO as the signed data. */
 307     tst_info_wrapper = enveloped->d.other;
 308     if (tst_info_wrapper->type != V_ASN1_OCTET_STRING) {
 309         TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
 310         return NULL;
 311     }
 312
 313     /* We have the correct ASN1_OCTET_STRING type. */
 314     tst_info_der = tst_info_wrapper->value.octet_string;
 315     /* At last, decode the TST_INFO. */
 316     p = tst_info_der->data;
 317     return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
 318 }