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 62ASN1_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 67IMPLEMENT_ASN1_FUNCTIONS_const(TS_MSG_IMPRINT) 68IMPLEMENT_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT) 69#ifndef OPENSSL_NO_BIO 70TS_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 75int 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 81TS_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 86int 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 92ASN1_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 101IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ) 102IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ) 103#ifndef OPENSSL_NO_BIO 104TS_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 109int 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 115TS_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 120int 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 126ASN1_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 132IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY) 133IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY) 134 135ASN1_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 148IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO) 149IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO) 150#ifndef OPENSSL_NO_BIO 151TS_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 156int 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 162TS_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 167int 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 173ASN1_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 179IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO) 180IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO) 181 182static 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 208static 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 224ASN1_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 229IMPLEMENT_ASN1_FUNCTIONS_const(TS_RESP) 230IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP) 231#ifndef OPENSSL_NO_BIO 232TS_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 237int 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 243TS_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 248int 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 254ASN1_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 259IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL) 260IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL) 261 262ASN1_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 267IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID) 268IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID) 269 270ASN1_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 275IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT) 276IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT) 277 278/* Getting encapsulated TS_TST_INFO object from PKCS7. */ 279TS_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} 323