[331] | 1 | /*
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| 2 | * Copyright 2006-2016 The OpenSSL Project Authors. All Rights Reserved.
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| 3 | *
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| 4 | * Licensed under the OpenSSL license (the "License"). You may not use
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| 5 | * this file except in compliance with the License. You can obtain a copy
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| 6 | * in the file LICENSE in the source distribution or at
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| 7 | * https://www.openssl.org/source/license.html
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| 8 | */
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| 9 |
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| 10 | #include <openssl/ts.h>
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| 11 | #include <openssl/err.h>
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| 12 | #include <openssl/asn1t.h>
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| 13 | #include "ts_lcl.h"
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| 14 |
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| 15 | ASN1_SEQUENCE(TS_MSG_IMPRINT) = {
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| 16 | ASN1_SIMPLE(TS_MSG_IMPRINT, hash_algo, X509_ALGOR),
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| 17 | ASN1_SIMPLE(TS_MSG_IMPRINT, hashed_msg, ASN1_OCTET_STRING)
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| 18 | } static_ASN1_SEQUENCE_END(TS_MSG_IMPRINT)
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| 19 |
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| 20 | IMPLEMENT_ASN1_FUNCTIONS_const(TS_MSG_IMPRINT)
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| 21 | IMPLEMENT_ASN1_DUP_FUNCTION(TS_MSG_IMPRINT)
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| 22 | TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT **a)
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| 23 | {
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| 24 | return ASN1_d2i_bio_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new,
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| 25 | d2i_TS_MSG_IMPRINT, bp, a);
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| 26 | }
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| 27 |
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| 28 | int i2d_TS_MSG_IMPRINT_bio(BIO *bp, TS_MSG_IMPRINT *a)
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| 29 | {
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| 30 | return ASN1_i2d_bio_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, bp, a);
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| 31 | }
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| 32 | #ifndef OPENSSL_NO_STDIO
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| 33 | TS_MSG_IMPRINT *d2i_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT **a)
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| 34 | {
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| 35 | return ASN1_d2i_fp_of(TS_MSG_IMPRINT, TS_MSG_IMPRINT_new,
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| 36 | d2i_TS_MSG_IMPRINT, fp, a);
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| 37 | }
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| 38 |
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| 39 | int i2d_TS_MSG_IMPRINT_fp(FILE *fp, TS_MSG_IMPRINT *a)
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| 40 | {
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| 41 | return ASN1_i2d_fp_of_const(TS_MSG_IMPRINT, i2d_TS_MSG_IMPRINT, fp, a);
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| 42 | }
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| 43 | #endif
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| 44 |
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| 45 | ASN1_SEQUENCE(TS_REQ) = {
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| 46 | ASN1_SIMPLE(TS_REQ, version, ASN1_INTEGER),
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| 47 | ASN1_SIMPLE(TS_REQ, msg_imprint, TS_MSG_IMPRINT),
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| 48 | ASN1_OPT(TS_REQ, policy_id, ASN1_OBJECT),
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| 49 | ASN1_OPT(TS_REQ, nonce, ASN1_INTEGER),
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| 50 | ASN1_OPT(TS_REQ, cert_req, ASN1_FBOOLEAN),
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| 51 | ASN1_IMP_SEQUENCE_OF_OPT(TS_REQ, extensions, X509_EXTENSION, 0)
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| 52 | } static_ASN1_SEQUENCE_END(TS_REQ)
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| 53 |
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| 54 | IMPLEMENT_ASN1_FUNCTIONS_const(TS_REQ)
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| 55 | IMPLEMENT_ASN1_DUP_FUNCTION(TS_REQ)
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| 56 | TS_REQ *d2i_TS_REQ_bio(BIO *bp, TS_REQ **a)
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| 57 | {
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| 58 | return ASN1_d2i_bio_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, bp, a);
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| 59 | }
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| 60 |
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| 61 | int i2d_TS_REQ_bio(BIO *bp, TS_REQ *a)
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| 62 | {
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| 63 | return ASN1_i2d_bio_of_const(TS_REQ, i2d_TS_REQ, bp, a);
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| 64 | }
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| 65 | #ifndef OPENSSL_NO_STDIO
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| 66 | TS_REQ *d2i_TS_REQ_fp(FILE *fp, TS_REQ **a)
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| 67 | {
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| 68 | return ASN1_d2i_fp_of(TS_REQ, TS_REQ_new, d2i_TS_REQ, fp, a);
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| 69 | }
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| 70 |
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| 71 | int i2d_TS_REQ_fp(FILE *fp, TS_REQ *a)
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| 72 | {
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| 73 | return ASN1_i2d_fp_of_const(TS_REQ, i2d_TS_REQ, fp, a);
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| 74 | }
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| 75 | #endif
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| 76 |
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| 77 | ASN1_SEQUENCE(TS_ACCURACY) = {
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| 78 | ASN1_OPT(TS_ACCURACY, seconds, ASN1_INTEGER),
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| 79 | ASN1_IMP_OPT(TS_ACCURACY, millis, ASN1_INTEGER, 0),
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| 80 | ASN1_IMP_OPT(TS_ACCURACY, micros, ASN1_INTEGER, 1)
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| 81 | } static_ASN1_SEQUENCE_END(TS_ACCURACY)
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| 82 |
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| 83 | IMPLEMENT_ASN1_FUNCTIONS_const(TS_ACCURACY)
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| 84 | IMPLEMENT_ASN1_DUP_FUNCTION(TS_ACCURACY)
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| 85 |
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| 86 | ASN1_SEQUENCE(TS_TST_INFO) = {
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| 87 | ASN1_SIMPLE(TS_TST_INFO, version, ASN1_INTEGER),
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| 88 | ASN1_SIMPLE(TS_TST_INFO, policy_id, ASN1_OBJECT),
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| 89 | ASN1_SIMPLE(TS_TST_INFO, msg_imprint, TS_MSG_IMPRINT),
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| 90 | ASN1_SIMPLE(TS_TST_INFO, serial, ASN1_INTEGER),
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| 91 | ASN1_SIMPLE(TS_TST_INFO, time, ASN1_GENERALIZEDTIME),
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| 92 | ASN1_OPT(TS_TST_INFO, accuracy, TS_ACCURACY),
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| 93 | ASN1_OPT(TS_TST_INFO, ordering, ASN1_FBOOLEAN),
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| 94 | ASN1_OPT(TS_TST_INFO, nonce, ASN1_INTEGER),
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| 95 | ASN1_EXP_OPT(TS_TST_INFO, tsa, GENERAL_NAME, 0),
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| 96 | ASN1_IMP_SEQUENCE_OF_OPT(TS_TST_INFO, extensions, X509_EXTENSION, 1)
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| 97 | } static_ASN1_SEQUENCE_END(TS_TST_INFO)
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| 98 |
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| 99 | IMPLEMENT_ASN1_FUNCTIONS_const(TS_TST_INFO)
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| 100 | IMPLEMENT_ASN1_DUP_FUNCTION(TS_TST_INFO)
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| 101 | TS_TST_INFO *d2i_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO **a)
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| 102 | {
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| 103 | return ASN1_d2i_bio_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, bp,
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| 104 | a);
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| 105 | }
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| 106 |
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| 107 | int i2d_TS_TST_INFO_bio(BIO *bp, TS_TST_INFO *a)
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| 108 | {
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| 109 | return ASN1_i2d_bio_of_const(TS_TST_INFO, i2d_TS_TST_INFO, bp, a);
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| 110 | }
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| 111 | #ifndef OPENSSL_NO_STDIO
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| 112 | TS_TST_INFO *d2i_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO **a)
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| 113 | {
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| 114 | return ASN1_d2i_fp_of(TS_TST_INFO, TS_TST_INFO_new, d2i_TS_TST_INFO, fp,
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| 115 | a);
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| 116 | }
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| 117 |
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| 118 | int i2d_TS_TST_INFO_fp(FILE *fp, TS_TST_INFO *a)
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| 119 | {
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| 120 | return ASN1_i2d_fp_of_const(TS_TST_INFO, i2d_TS_TST_INFO, fp, a);
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| 121 | }
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| 122 | #endif
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| 123 |
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| 124 | ASN1_SEQUENCE(TS_STATUS_INFO) = {
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| 125 | ASN1_SIMPLE(TS_STATUS_INFO, status, ASN1_INTEGER),
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| 126 | ASN1_SEQUENCE_OF_OPT(TS_STATUS_INFO, text, ASN1_UTF8STRING),
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| 127 | ASN1_OPT(TS_STATUS_INFO, failure_info, ASN1_BIT_STRING)
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| 128 | } static_ASN1_SEQUENCE_END(TS_STATUS_INFO)
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| 129 |
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| 130 | IMPLEMENT_ASN1_FUNCTIONS_const(TS_STATUS_INFO)
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| 131 | IMPLEMENT_ASN1_DUP_FUNCTION(TS_STATUS_INFO)
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| 132 |
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| 133 | static int ts_resp_set_tst_info(TS_RESP *a)
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| 134 | {
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| 135 | long status;
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| 136 |
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| 137 | status = ASN1_INTEGER_get(a->status_info->status);
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| 138 |
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| 139 | if (a->token) {
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| 140 | if (status != 0 && status != 1) {
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| 141 | TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_PRESENT);
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| 142 | return 0;
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| 143 | }
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| 144 | TS_TST_INFO_free(a->tst_info);
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| 145 | a->tst_info = PKCS7_to_TS_TST_INFO(a->token);
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| 146 | if (!a->tst_info) {
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| 147 | TSerr(TS_F_TS_RESP_SET_TST_INFO,
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| 148 | TS_R_PKCS7_TO_TS_TST_INFO_FAILED);
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| 149 | return 0;
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| 150 | }
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| 151 | } else if (status == 0 || status == 1) {
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| 152 | TSerr(TS_F_TS_RESP_SET_TST_INFO, TS_R_TOKEN_NOT_PRESENT);
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| 153 | return 0;
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| 154 | }
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| 155 |
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| 156 | return 1;
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| 157 | }
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| 158 |
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| 159 | static int ts_resp_cb(int op, ASN1_VALUE **pval, const ASN1_ITEM *it,
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| 160 | void *exarg)
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| 161 | {
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| 162 | TS_RESP *ts_resp = (TS_RESP *)*pval;
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| 163 | if (op == ASN1_OP_NEW_POST) {
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| 164 | ts_resp->tst_info = NULL;
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| 165 | } else if (op == ASN1_OP_FREE_POST) {
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| 166 | TS_TST_INFO_free(ts_resp->tst_info);
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| 167 | } else if (op == ASN1_OP_D2I_POST) {
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| 168 | if (ts_resp_set_tst_info(ts_resp) == 0)
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| 169 | return 0;
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| 170 | }
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| 171 | return 1;
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| 172 | }
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| 173 |
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| 174 | ASN1_SEQUENCE_cb(TS_RESP, ts_resp_cb) = {
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| 175 | ASN1_SIMPLE(TS_RESP, status_info, TS_STATUS_INFO),
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| 176 | ASN1_OPT(TS_RESP, token, PKCS7),
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| 177 | } static_ASN1_SEQUENCE_END_cb(TS_RESP, TS_RESP)
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| 178 |
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| 179 | IMPLEMENT_ASN1_FUNCTIONS_const(TS_RESP)
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| 180 |
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| 181 | IMPLEMENT_ASN1_DUP_FUNCTION(TS_RESP)
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| 182 |
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| 183 | TS_RESP *d2i_TS_RESP_bio(BIO *bp, TS_RESP **a)
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| 184 | {
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| 185 | return ASN1_d2i_bio_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, bp, a);
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| 186 | }
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| 187 |
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| 188 | int i2d_TS_RESP_bio(BIO *bp, TS_RESP *a)
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| 189 | {
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| 190 | return ASN1_i2d_bio_of_const(TS_RESP, i2d_TS_RESP, bp, a);
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| 191 | }
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| 192 | #ifndef OPENSSL_NO_STDIO
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| 193 | TS_RESP *d2i_TS_RESP_fp(FILE *fp, TS_RESP **a)
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| 194 | {
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| 195 | return ASN1_d2i_fp_of(TS_RESP, TS_RESP_new, d2i_TS_RESP, fp, a);
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| 196 | }
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| 197 |
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| 198 | int i2d_TS_RESP_fp(FILE *fp, TS_RESP *a)
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| 199 | {
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| 200 | return ASN1_i2d_fp_of_const(TS_RESP, i2d_TS_RESP, fp, a);
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| 201 | }
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| 202 | #endif
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| 203 |
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| 204 | ASN1_SEQUENCE(ESS_ISSUER_SERIAL) = {
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| 205 | ASN1_SEQUENCE_OF(ESS_ISSUER_SERIAL, issuer, GENERAL_NAME),
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| 206 | ASN1_SIMPLE(ESS_ISSUER_SERIAL, serial, ASN1_INTEGER)
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| 207 | } static_ASN1_SEQUENCE_END(ESS_ISSUER_SERIAL)
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| 208 |
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| 209 | IMPLEMENT_ASN1_FUNCTIONS_const(ESS_ISSUER_SERIAL)
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| 210 | IMPLEMENT_ASN1_DUP_FUNCTION(ESS_ISSUER_SERIAL)
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| 211 |
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| 212 | ASN1_SEQUENCE(ESS_CERT_ID) = {
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| 213 | ASN1_SIMPLE(ESS_CERT_ID, hash, ASN1_OCTET_STRING),
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| 214 | ASN1_OPT(ESS_CERT_ID, issuer_serial, ESS_ISSUER_SERIAL)
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| 215 | } static_ASN1_SEQUENCE_END(ESS_CERT_ID)
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| 216 |
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| 217 | IMPLEMENT_ASN1_FUNCTIONS_const(ESS_CERT_ID)
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| 218 | IMPLEMENT_ASN1_DUP_FUNCTION(ESS_CERT_ID)
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| 219 |
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| 220 | ASN1_SEQUENCE(ESS_SIGNING_CERT) = {
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| 221 | ASN1_SEQUENCE_OF(ESS_SIGNING_CERT, cert_ids, ESS_CERT_ID),
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| 222 | ASN1_SEQUENCE_OF_OPT(ESS_SIGNING_CERT, policy_info, POLICYINFO)
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| 223 | } static_ASN1_SEQUENCE_END(ESS_SIGNING_CERT)
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| 224 |
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| 225 | IMPLEMENT_ASN1_FUNCTIONS_const(ESS_SIGNING_CERT)
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| 226 | IMPLEMENT_ASN1_DUP_FUNCTION(ESS_SIGNING_CERT)
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| 227 |
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| 228 | /* Getting encapsulated TS_TST_INFO object from PKCS7. */
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| 229 | TS_TST_INFO *PKCS7_to_TS_TST_INFO(PKCS7 *token)
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| 230 | {
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| 231 | PKCS7_SIGNED *pkcs7_signed;
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| 232 | PKCS7 *enveloped;
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| 233 | ASN1_TYPE *tst_info_wrapper;
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| 234 | ASN1_OCTET_STRING *tst_info_der;
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| 235 | const unsigned char *p;
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| 236 |
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| 237 | if (!PKCS7_type_is_signed(token)) {
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| 238 | TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
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| 239 | return NULL;
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| 240 | }
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| 241 | if (PKCS7_get_detached(token)) {
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| 242 | TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_DETACHED_CONTENT);
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| 243 | return NULL;
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| 244 | }
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| 245 | pkcs7_signed = token->d.sign;
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| 246 | enveloped = pkcs7_signed->contents;
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| 247 | if (OBJ_obj2nid(enveloped->type) != NID_id_smime_ct_TSTInfo) {
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| 248 | TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_PKCS7_TYPE);
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| 249 | return NULL;
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| 250 | }
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| 251 | tst_info_wrapper = enveloped->d.other;
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| 252 | if (tst_info_wrapper->type != V_ASN1_OCTET_STRING) {
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| 253 | TSerr(TS_F_PKCS7_TO_TS_TST_INFO, TS_R_BAD_TYPE);
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| 254 | return NULL;
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| 255 | }
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| 256 | tst_info_der = tst_info_wrapper->value.octet_string;
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| 257 | p = tst_info_der->data;
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| 258 | return d2i_TS_TST_INFO(NULL, &p, tst_info_der->length);
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| 259 | }
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