[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 "internal/cryptlib.h"
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| 11 |
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| 12 | #if defined(OPENSSL_SYS_UNIX)
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| 13 | # include <sys/time.h>
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| 14 | #endif
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| 15 |
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| 16 | #include <openssl/objects.h>
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| 17 | #include <openssl/ts.h>
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| 18 | #include <openssl/pkcs7.h>
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| 19 | #include "ts_lcl.h"
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| 20 |
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| 21 | static ASN1_INTEGER *def_serial_cb(struct TS_resp_ctx *, void *);
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| 22 | static int def_time_cb(struct TS_resp_ctx *, void *, long *sec, long *usec);
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| 23 | static int def_extension_cb(struct TS_resp_ctx *, X509_EXTENSION *, void *);
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| 24 |
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| 25 | static void ts_RESP_CTX_init(TS_RESP_CTX *ctx);
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| 26 | static void ts_RESP_CTX_cleanup(TS_RESP_CTX *ctx);
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| 27 | static int ts_RESP_check_request(TS_RESP_CTX *ctx);
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| 28 | static ASN1_OBJECT *ts_RESP_get_policy(TS_RESP_CTX *ctx);
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| 29 | static TS_TST_INFO *ts_RESP_create_tst_info(TS_RESP_CTX *ctx,
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| 30 | ASN1_OBJECT *policy);
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| 31 | static int ts_RESP_process_extensions(TS_RESP_CTX *ctx);
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| 32 | static int ts_RESP_sign(TS_RESP_CTX *ctx);
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| 33 |
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| 34 | static ESS_SIGNING_CERT *ess_SIGNING_CERT_new_init(X509 *signcert,
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| 35 | STACK_OF(X509) *certs);
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| 36 | static ESS_CERT_ID *ess_CERT_ID_new_init(X509 *cert, int issuer_needed);
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| 37 | static int ts_TST_INFO_content_new(PKCS7 *p7);
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| 38 | static int ESS_add_signing_cert(PKCS7_SIGNER_INFO *si, ESS_SIGNING_CERT *sc);
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| 39 |
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| 40 | static ASN1_GENERALIZEDTIME
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| 41 | *TS_RESP_set_genTime_with_precision(ASN1_GENERALIZEDTIME *, long, long,
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| 42 | unsigned);
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| 43 |
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| 44 | /* Default callback for response generation. */
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| 45 | static ASN1_INTEGER *def_serial_cb(struct TS_resp_ctx *ctx, void *data)
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| 46 | {
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| 47 | ASN1_INTEGER *serial = ASN1_INTEGER_new();
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| 48 |
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| 49 | if (serial == NULL)
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| 50 | goto err;
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| 51 | if (!ASN1_INTEGER_set(serial, 1))
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| 52 | goto err;
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| 53 | return serial;
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| 54 |
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| 55 | err:
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| 56 | TSerr(TS_F_DEF_SERIAL_CB, ERR_R_MALLOC_FAILURE);
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| 57 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
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| 58 | "Error during serial number generation.");
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| 59 | return NULL;
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| 60 | }
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| 61 |
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| 62 | #if defined(OPENSSL_SYS_UNIX)
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| 63 |
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| 64 | static int def_time_cb(struct TS_resp_ctx *ctx, void *data,
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| 65 | long *sec, long *usec)
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| 66 | {
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| 67 | struct timeval tv;
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| 68 | if (gettimeofday(&tv, NULL) != 0) {
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| 69 | TSerr(TS_F_DEF_TIME_CB, TS_R_TIME_SYSCALL_ERROR);
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| 70 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
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| 71 | "Time is not available.");
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| 72 | TS_RESP_CTX_add_failure_info(ctx, TS_INFO_TIME_NOT_AVAILABLE);
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| 73 | return 0;
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| 74 | }
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| 75 | *sec = tv.tv_sec;
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| 76 | *usec = tv.tv_usec;
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| 77 |
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| 78 | return 1;
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| 79 | }
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| 80 |
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| 81 | #else
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| 82 |
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| 83 | static int def_time_cb(struct TS_resp_ctx *ctx, void *data,
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| 84 | long *sec, long *usec)
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| 85 | {
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| 86 | time_t t;
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| 87 | if (time(&t) == (time_t)-1) {
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| 88 | TSerr(TS_F_DEF_TIME_CB, TS_R_TIME_SYSCALL_ERROR);
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| 89 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
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| 90 | "Time is not available.");
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| 91 | TS_RESP_CTX_add_failure_info(ctx, TS_INFO_TIME_NOT_AVAILABLE);
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| 92 | return 0;
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| 93 | }
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| 94 | *sec = (long)t;
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| 95 | *usec = 0;
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| 96 |
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| 97 | return 1;
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| 98 | }
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| 99 |
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| 100 | #endif
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| 101 |
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| 102 | static int def_extension_cb(struct TS_resp_ctx *ctx, X509_EXTENSION *ext,
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| 103 | void *data)
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| 104 | {
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| 105 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
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| 106 | "Unsupported extension.");
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| 107 | TS_RESP_CTX_add_failure_info(ctx, TS_INFO_UNACCEPTED_EXTENSION);
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| 108 | return 0;
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| 109 | }
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| 110 |
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| 111 | /* TS_RESP_CTX management functions. */
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| 112 |
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| 113 | TS_RESP_CTX *TS_RESP_CTX_new()
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| 114 | {
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| 115 | TS_RESP_CTX *ctx;
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| 116 |
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| 117 | if ((ctx = OPENSSL_zalloc(sizeof(*ctx))) == NULL) {
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| 118 | TSerr(TS_F_TS_RESP_CTX_NEW, ERR_R_MALLOC_FAILURE);
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| 119 | return NULL;
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| 120 | }
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| 121 |
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| 122 | ctx->signer_md = EVP_sha256();
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| 123 |
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| 124 | ctx->serial_cb = def_serial_cb;
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| 125 | ctx->time_cb = def_time_cb;
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| 126 | ctx->extension_cb = def_extension_cb;
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| 127 |
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| 128 | return ctx;
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| 129 | }
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| 130 |
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| 131 | void TS_RESP_CTX_free(TS_RESP_CTX *ctx)
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| 132 | {
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| 133 | if (!ctx)
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| 134 | return;
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| 135 |
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| 136 | X509_free(ctx->signer_cert);
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| 137 | EVP_PKEY_free(ctx->signer_key);
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| 138 | sk_X509_pop_free(ctx->certs, X509_free);
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| 139 | sk_ASN1_OBJECT_pop_free(ctx->policies, ASN1_OBJECT_free);
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| 140 | ASN1_OBJECT_free(ctx->default_policy);
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| 141 | sk_EVP_MD_free(ctx->mds); /* No EVP_MD_free method exists. */
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| 142 | ASN1_INTEGER_free(ctx->seconds);
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| 143 | ASN1_INTEGER_free(ctx->millis);
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| 144 | ASN1_INTEGER_free(ctx->micros);
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| 145 | OPENSSL_free(ctx);
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| 146 | }
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| 147 |
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| 148 | int TS_RESP_CTX_set_signer_cert(TS_RESP_CTX *ctx, X509 *signer)
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| 149 | {
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| 150 | if (X509_check_purpose(signer, X509_PURPOSE_TIMESTAMP_SIGN, 0) != 1) {
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| 151 | TSerr(TS_F_TS_RESP_CTX_SET_SIGNER_CERT,
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| 152 | TS_R_INVALID_SIGNER_CERTIFICATE_PURPOSE);
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| 153 | return 0;
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| 154 | }
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| 155 | X509_free(ctx->signer_cert);
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| 156 | ctx->signer_cert = signer;
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| 157 | X509_up_ref(ctx->signer_cert);
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| 158 | return 1;
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| 159 | }
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| 160 |
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| 161 | int TS_RESP_CTX_set_signer_key(TS_RESP_CTX *ctx, EVP_PKEY *key)
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| 162 | {
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| 163 | EVP_PKEY_free(ctx->signer_key);
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| 164 | ctx->signer_key = key;
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| 165 | EVP_PKEY_up_ref(ctx->signer_key);
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| 166 |
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| 167 | return 1;
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| 168 | }
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| 169 |
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| 170 | int TS_RESP_CTX_set_signer_digest(TS_RESP_CTX *ctx, const EVP_MD *md)
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| 171 | {
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| 172 | ctx->signer_md = md;
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| 173 | return 1;
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| 174 | }
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| 175 |
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| 176 | int TS_RESP_CTX_set_def_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *def_policy)
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| 177 | {
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| 178 | ASN1_OBJECT_free(ctx->default_policy);
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| 179 | if ((ctx->default_policy = OBJ_dup(def_policy)) == NULL)
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| 180 | goto err;
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| 181 | return 1;
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| 182 | err:
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| 183 | TSerr(TS_F_TS_RESP_CTX_SET_DEF_POLICY, ERR_R_MALLOC_FAILURE);
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| 184 | return 0;
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| 185 | }
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| 186 |
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| 187 | int TS_RESP_CTX_set_certs(TS_RESP_CTX *ctx, STACK_OF(X509) *certs)
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| 188 | {
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| 189 |
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| 190 | sk_X509_pop_free(ctx->certs, X509_free);
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| 191 | ctx->certs = NULL;
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| 192 | if (!certs)
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| 193 | return 1;
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| 194 | if ((ctx->certs = X509_chain_up_ref(certs)) == NULL) {
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| 195 | TSerr(TS_F_TS_RESP_CTX_SET_CERTS, ERR_R_MALLOC_FAILURE);
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| 196 | return 0;
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| 197 | }
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| 198 |
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| 199 | return 1;
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| 200 | }
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| 201 |
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| 202 | int TS_RESP_CTX_add_policy(TS_RESP_CTX *ctx, const ASN1_OBJECT *policy)
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| 203 | {
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| 204 | ASN1_OBJECT *copy = NULL;
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| 205 |
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| 206 | if (ctx->policies == NULL
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| 207 | && (ctx->policies = sk_ASN1_OBJECT_new_null()) == NULL)
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| 208 | goto err;
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| 209 | if ((copy = OBJ_dup(policy)) == NULL)
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| 210 | goto err;
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| 211 | if (!sk_ASN1_OBJECT_push(ctx->policies, copy))
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| 212 | goto err;
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| 213 |
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| 214 | return 1;
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| 215 | err:
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| 216 | TSerr(TS_F_TS_RESP_CTX_ADD_POLICY, ERR_R_MALLOC_FAILURE);
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| 217 | ASN1_OBJECT_free(copy);
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| 218 | return 0;
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| 219 | }
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| 220 |
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| 221 | int TS_RESP_CTX_add_md(TS_RESP_CTX *ctx, const EVP_MD *md)
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| 222 | {
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| 223 | if (ctx->mds == NULL
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| 224 | && (ctx->mds = sk_EVP_MD_new_null()) == NULL)
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| 225 | goto err;
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| 226 | if (!sk_EVP_MD_push(ctx->mds, md))
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| 227 | goto err;
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| 228 |
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| 229 | return 1;
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| 230 | err:
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| 231 | TSerr(TS_F_TS_RESP_CTX_ADD_MD, ERR_R_MALLOC_FAILURE);
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| 232 | return 0;
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| 233 | }
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| 234 |
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| 235 | #define TS_RESP_CTX_accuracy_free(ctx) \
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| 236 | ASN1_INTEGER_free(ctx->seconds); \
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| 237 | ctx->seconds = NULL; \
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| 238 | ASN1_INTEGER_free(ctx->millis); \
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| 239 | ctx->millis = NULL; \
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| 240 | ASN1_INTEGER_free(ctx->micros); \
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| 241 | ctx->micros = NULL;
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| 242 |
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| 243 | int TS_RESP_CTX_set_accuracy(TS_RESP_CTX *ctx,
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| 244 | int secs, int millis, int micros)
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| 245 | {
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| 246 |
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| 247 | TS_RESP_CTX_accuracy_free(ctx);
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| 248 | if (secs
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| 249 | && ((ctx->seconds = ASN1_INTEGER_new()) == NULL
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| 250 | || !ASN1_INTEGER_set(ctx->seconds, secs)))
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| 251 | goto err;
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| 252 | if (millis
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| 253 | && ((ctx->millis = ASN1_INTEGER_new()) == NULL
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| 254 | || !ASN1_INTEGER_set(ctx->millis, millis)))
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| 255 | goto err;
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| 256 | if (micros
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| 257 | && ((ctx->micros = ASN1_INTEGER_new()) == NULL
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| 258 | || !ASN1_INTEGER_set(ctx->micros, micros)))
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| 259 | goto err;
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| 260 |
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| 261 | return 1;
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| 262 | err:
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| 263 | TS_RESP_CTX_accuracy_free(ctx);
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| 264 | TSerr(TS_F_TS_RESP_CTX_SET_ACCURACY, ERR_R_MALLOC_FAILURE);
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| 265 | return 0;
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| 266 | }
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| 267 |
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| 268 | void TS_RESP_CTX_add_flags(TS_RESP_CTX *ctx, int flags)
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| 269 | {
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| 270 | ctx->flags |= flags;
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| 271 | }
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| 272 |
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| 273 | void TS_RESP_CTX_set_serial_cb(TS_RESP_CTX *ctx, TS_serial_cb cb, void *data)
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| 274 | {
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| 275 | ctx->serial_cb = cb;
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| 276 | ctx->serial_cb_data = data;
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| 277 | }
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| 278 |
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| 279 | void TS_RESP_CTX_set_time_cb(TS_RESP_CTX *ctx, TS_time_cb cb, void *data)
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| 280 | {
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| 281 | ctx->time_cb = cb;
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| 282 | ctx->time_cb_data = data;
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| 283 | }
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| 284 |
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| 285 | void TS_RESP_CTX_set_extension_cb(TS_RESP_CTX *ctx,
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| 286 | TS_extension_cb cb, void *data)
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| 287 | {
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| 288 | ctx->extension_cb = cb;
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| 289 | ctx->extension_cb_data = data;
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| 290 | }
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| 291 |
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| 292 | int TS_RESP_CTX_set_status_info(TS_RESP_CTX *ctx,
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| 293 | int status, const char *text)
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| 294 | {
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| 295 | TS_STATUS_INFO *si = NULL;
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| 296 | ASN1_UTF8STRING *utf8_text = NULL;
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| 297 | int ret = 0;
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| 298 |
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| 299 | if ((si = TS_STATUS_INFO_new()) == NULL)
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| 300 | goto err;
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| 301 | if (!ASN1_INTEGER_set(si->status, status))
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| 302 | goto err;
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| 303 | if (text) {
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| 304 | if ((utf8_text = ASN1_UTF8STRING_new()) == NULL
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| 305 | || !ASN1_STRING_set(utf8_text, text, strlen(text)))
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| 306 | goto err;
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| 307 | if (si->text == NULL
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| 308 | && (si->text = sk_ASN1_UTF8STRING_new_null()) == NULL)
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| 309 | goto err;
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| 310 | if (!sk_ASN1_UTF8STRING_push(si->text, utf8_text))
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| 311 | goto err;
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| 312 | utf8_text = NULL; /* Ownership is lost. */
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| 313 | }
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| 314 | if (!TS_RESP_set_status_info(ctx->response, si))
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| 315 | goto err;
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| 316 | ret = 1;
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| 317 | err:
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| 318 | if (!ret)
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| 319 | TSerr(TS_F_TS_RESP_CTX_SET_STATUS_INFO, ERR_R_MALLOC_FAILURE);
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| 320 | TS_STATUS_INFO_free(si);
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| 321 | ASN1_UTF8STRING_free(utf8_text);
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| 322 | return ret;
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| 323 | }
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| 324 |
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| 325 | int TS_RESP_CTX_set_status_info_cond(TS_RESP_CTX *ctx,
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| 326 | int status, const char *text)
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| 327 | {
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| 328 | int ret = 1;
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| 329 | TS_STATUS_INFO *si = ctx->response->status_info;
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| 330 |
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| 331 | if (ASN1_INTEGER_get(si->status) == TS_STATUS_GRANTED) {
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| 332 | ret = TS_RESP_CTX_set_status_info(ctx, status, text);
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| 333 | }
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| 334 | return ret;
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| 335 | }
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| 336 |
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| 337 | int TS_RESP_CTX_add_failure_info(TS_RESP_CTX *ctx, int failure)
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| 338 | {
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| 339 | TS_STATUS_INFO *si = ctx->response->status_info;
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| 340 | if (si->failure_info == NULL
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| 341 | && (si->failure_info = ASN1_BIT_STRING_new()) == NULL)
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| 342 | goto err;
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| 343 | if (!ASN1_BIT_STRING_set_bit(si->failure_info, failure, 1))
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| 344 | goto err;
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| 345 | return 1;
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| 346 | err:
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| 347 | TSerr(TS_F_TS_RESP_CTX_ADD_FAILURE_INFO, ERR_R_MALLOC_FAILURE);
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| 348 | return 0;
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| 349 | }
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| 350 |
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| 351 | TS_REQ *TS_RESP_CTX_get_request(TS_RESP_CTX *ctx)
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| 352 | {
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| 353 | return ctx->request;
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| 354 | }
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| 355 |
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| 356 | TS_TST_INFO *TS_RESP_CTX_get_tst_info(TS_RESP_CTX *ctx)
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| 357 | {
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| 358 | return ctx->tst_info;
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| 359 | }
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| 360 |
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| 361 | int TS_RESP_CTX_set_clock_precision_digits(TS_RESP_CTX *ctx,
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| 362 | unsigned precision)
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| 363 | {
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| 364 | if (precision > TS_MAX_CLOCK_PRECISION_DIGITS)
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| 365 | return 0;
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| 366 | ctx->clock_precision_digits = precision;
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| 367 | return 1;
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| 368 | }
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| 369 |
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| 370 | /* Main entry method of the response generation. */
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| 371 | TS_RESP *TS_RESP_create_response(TS_RESP_CTX *ctx, BIO *req_bio)
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| 372 | {
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| 373 | ASN1_OBJECT *policy;
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| 374 | TS_RESP *response;
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| 375 | int result = 0;
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| 376 |
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| 377 | ts_RESP_CTX_init(ctx);
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| 378 |
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| 379 | if ((ctx->response = TS_RESP_new()) == NULL) {
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| 380 | TSerr(TS_F_TS_RESP_CREATE_RESPONSE, ERR_R_MALLOC_FAILURE);
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| 381 | goto end;
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| 382 | }
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| 383 | if ((ctx->request = d2i_TS_REQ_bio(req_bio, NULL)) == NULL) {
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| 384 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
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| 385 | "Bad request format or system error.");
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| 386 | TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_DATA_FORMAT);
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| 387 | goto end;
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| 388 | }
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| 389 | if (!TS_RESP_CTX_set_status_info(ctx, TS_STATUS_GRANTED, NULL))
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| 390 | goto end;
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| 391 | if (!ts_RESP_check_request(ctx))
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| 392 | goto end;
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| 393 | if ((policy = ts_RESP_get_policy(ctx)) == NULL)
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| 394 | goto end;
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| 395 | if ((ctx->tst_info = ts_RESP_create_tst_info(ctx, policy)) == NULL)
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| 396 | goto end;
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| 397 | if (!ts_RESP_process_extensions(ctx))
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| 398 | goto end;
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| 399 | if (!ts_RESP_sign(ctx))
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| 400 | goto end;
|
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| 401 | result = 1;
|
---|
| 402 |
|
---|
| 403 | end:
|
---|
| 404 | if (!result) {
|
---|
| 405 | TSerr(TS_F_TS_RESP_CREATE_RESPONSE, TS_R_RESPONSE_SETUP_ERROR);
|
---|
| 406 | if (ctx->response != NULL) {
|
---|
| 407 | if (TS_RESP_CTX_set_status_info_cond(ctx,
|
---|
| 408 | TS_STATUS_REJECTION,
|
---|
| 409 | "Error during response "
|
---|
| 410 | "generation.") == 0) {
|
---|
| 411 | TS_RESP_free(ctx->response);
|
---|
| 412 | ctx->response = NULL;
|
---|
| 413 | }
|
---|
| 414 | }
|
---|
| 415 | }
|
---|
| 416 | response = ctx->response;
|
---|
| 417 | ctx->response = NULL; /* Ownership will be returned to caller. */
|
---|
| 418 | ts_RESP_CTX_cleanup(ctx);
|
---|
| 419 | return response;
|
---|
| 420 | }
|
---|
| 421 |
|
---|
| 422 | /* Initializes the variable part of the context. */
|
---|
| 423 | static void ts_RESP_CTX_init(TS_RESP_CTX *ctx)
|
---|
| 424 | {
|
---|
| 425 | ctx->request = NULL;
|
---|
| 426 | ctx->response = NULL;
|
---|
| 427 | ctx->tst_info = NULL;
|
---|
| 428 | }
|
---|
| 429 |
|
---|
| 430 | /* Cleans up the variable part of the context. */
|
---|
| 431 | static void ts_RESP_CTX_cleanup(TS_RESP_CTX *ctx)
|
---|
| 432 | {
|
---|
| 433 | TS_REQ_free(ctx->request);
|
---|
| 434 | ctx->request = NULL;
|
---|
| 435 | TS_RESP_free(ctx->response);
|
---|
| 436 | ctx->response = NULL;
|
---|
| 437 | TS_TST_INFO_free(ctx->tst_info);
|
---|
| 438 | ctx->tst_info = NULL;
|
---|
| 439 | }
|
---|
| 440 |
|
---|
| 441 | /* Checks the format and content of the request. */
|
---|
| 442 | static int ts_RESP_check_request(TS_RESP_CTX *ctx)
|
---|
| 443 | {
|
---|
| 444 | TS_REQ *request = ctx->request;
|
---|
| 445 | TS_MSG_IMPRINT *msg_imprint;
|
---|
| 446 | X509_ALGOR *md_alg;
|
---|
| 447 | int md_alg_id;
|
---|
| 448 | const ASN1_OCTET_STRING *digest;
|
---|
| 449 | const EVP_MD *md = NULL;
|
---|
| 450 | int i;
|
---|
| 451 |
|
---|
| 452 | if (TS_REQ_get_version(request) != 1) {
|
---|
| 453 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
|
---|
| 454 | "Bad request version.");
|
---|
| 455 | TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_REQUEST);
|
---|
| 456 | return 0;
|
---|
| 457 | }
|
---|
| 458 |
|
---|
| 459 | msg_imprint = request->msg_imprint;
|
---|
| 460 | md_alg = msg_imprint->hash_algo;
|
---|
| 461 | md_alg_id = OBJ_obj2nid(md_alg->algorithm);
|
---|
| 462 | for (i = 0; !md && i < sk_EVP_MD_num(ctx->mds); ++i) {
|
---|
| 463 | const EVP_MD *current_md = sk_EVP_MD_value(ctx->mds, i);
|
---|
| 464 | if (md_alg_id == EVP_MD_type(current_md))
|
---|
| 465 | md = current_md;
|
---|
| 466 | }
|
---|
| 467 | if (!md) {
|
---|
| 468 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
|
---|
| 469 | "Message digest algorithm is "
|
---|
| 470 | "not supported.");
|
---|
| 471 | TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_ALG);
|
---|
| 472 | return 0;
|
---|
| 473 | }
|
---|
| 474 |
|
---|
| 475 | if (md_alg->parameter && ASN1_TYPE_get(md_alg->parameter) != V_ASN1_NULL) {
|
---|
| 476 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
|
---|
| 477 | "Superfluous message digest "
|
---|
| 478 | "parameter.");
|
---|
| 479 | TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_ALG);
|
---|
| 480 | return 0;
|
---|
| 481 | }
|
---|
| 482 | digest = msg_imprint->hashed_msg;
|
---|
| 483 | if (digest->length != EVP_MD_size(md)) {
|
---|
| 484 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
|
---|
| 485 | "Bad message digest.");
|
---|
| 486 | TS_RESP_CTX_add_failure_info(ctx, TS_INFO_BAD_DATA_FORMAT);
|
---|
| 487 | return 0;
|
---|
| 488 | }
|
---|
| 489 |
|
---|
| 490 | return 1;
|
---|
| 491 | }
|
---|
| 492 |
|
---|
| 493 | /* Returns the TSA policy based on the requested and acceptable policies. */
|
---|
| 494 | static ASN1_OBJECT *ts_RESP_get_policy(TS_RESP_CTX *ctx)
|
---|
| 495 | {
|
---|
| 496 | ASN1_OBJECT *requested = ctx->request->policy_id;
|
---|
| 497 | ASN1_OBJECT *policy = NULL;
|
---|
| 498 | int i;
|
---|
| 499 |
|
---|
| 500 | if (ctx->default_policy == NULL) {
|
---|
| 501 | TSerr(TS_F_TS_RESP_GET_POLICY, TS_R_INVALID_NULL_POINTER);
|
---|
| 502 | return NULL;
|
---|
| 503 | }
|
---|
| 504 | if (!requested || !OBJ_cmp(requested, ctx->default_policy))
|
---|
| 505 | policy = ctx->default_policy;
|
---|
| 506 |
|
---|
| 507 | /* Check if the policy is acceptable. */
|
---|
| 508 | for (i = 0; !policy && i < sk_ASN1_OBJECT_num(ctx->policies); ++i) {
|
---|
| 509 | ASN1_OBJECT *current = sk_ASN1_OBJECT_value(ctx->policies, i);
|
---|
| 510 | if (!OBJ_cmp(requested, current))
|
---|
| 511 | policy = current;
|
---|
| 512 | }
|
---|
| 513 | if (!policy) {
|
---|
| 514 | TSerr(TS_F_TS_RESP_GET_POLICY, TS_R_UNACCEPTABLE_POLICY);
|
---|
| 515 | TS_RESP_CTX_set_status_info(ctx, TS_STATUS_REJECTION,
|
---|
| 516 | "Requested policy is not " "supported.");
|
---|
| 517 | TS_RESP_CTX_add_failure_info(ctx, TS_INFO_UNACCEPTED_POLICY);
|
---|
| 518 | }
|
---|
| 519 | return policy;
|
---|
| 520 | }
|
---|
| 521 |
|
---|
| 522 | /* Creates the TS_TST_INFO object based on the settings of the context. */
|
---|
| 523 | static TS_TST_INFO *ts_RESP_create_tst_info(TS_RESP_CTX *ctx,
|
---|
| 524 | ASN1_OBJECT *policy)
|
---|
| 525 | {
|
---|
| 526 | int result = 0;
|
---|
| 527 | TS_TST_INFO *tst_info = NULL;
|
---|
| 528 | ASN1_INTEGER *serial = NULL;
|
---|
| 529 | ASN1_GENERALIZEDTIME *asn1_time = NULL;
|
---|
| 530 | long sec, usec;
|
---|
| 531 | TS_ACCURACY *accuracy = NULL;
|
---|
| 532 | const ASN1_INTEGER *nonce;
|
---|
| 533 | GENERAL_NAME *tsa_name = NULL;
|
---|
| 534 |
|
---|
| 535 | if ((tst_info = TS_TST_INFO_new()) == NULL)
|
---|
| 536 | goto end;
|
---|
| 537 | if (!TS_TST_INFO_set_version(tst_info, 1))
|
---|
| 538 | goto end;
|
---|
| 539 | if (!TS_TST_INFO_set_policy_id(tst_info, policy))
|
---|
| 540 | goto end;
|
---|
| 541 | if (!TS_TST_INFO_set_msg_imprint(tst_info, ctx->request->msg_imprint))
|
---|
| 542 | goto end;
|
---|
| 543 | if ((serial = ctx->serial_cb(ctx, ctx->serial_cb_data)) == NULL
|
---|
| 544 | || !TS_TST_INFO_set_serial(tst_info, serial))
|
---|
| 545 | goto end;
|
---|
| 546 | if (!ctx->time_cb(ctx, ctx->time_cb_data, &sec, &usec)
|
---|
| 547 | || (asn1_time =
|
---|
| 548 | TS_RESP_set_genTime_with_precision(NULL, sec, usec,
|
---|
| 549 | ctx->clock_precision_digits)) == NULL
|
---|
| 550 | || !TS_TST_INFO_set_time(tst_info, asn1_time))
|
---|
| 551 | goto end;
|
---|
| 552 |
|
---|
| 553 | if ((ctx->seconds || ctx->millis || ctx->micros)
|
---|
| 554 | && (accuracy = TS_ACCURACY_new()) == NULL)
|
---|
| 555 | goto end;
|
---|
| 556 | if (ctx->seconds && !TS_ACCURACY_set_seconds(accuracy, ctx->seconds))
|
---|
| 557 | goto end;
|
---|
| 558 | if (ctx->millis && !TS_ACCURACY_set_millis(accuracy, ctx->millis))
|
---|
| 559 | goto end;
|
---|
| 560 | if (ctx->micros && !TS_ACCURACY_set_micros(accuracy, ctx->micros))
|
---|
| 561 | goto end;
|
---|
| 562 | if (accuracy && !TS_TST_INFO_set_accuracy(tst_info, accuracy))
|
---|
| 563 | goto end;
|
---|
| 564 |
|
---|
| 565 | if ((ctx->flags & TS_ORDERING)
|
---|
| 566 | && !TS_TST_INFO_set_ordering(tst_info, 1))
|
---|
| 567 | goto end;
|
---|
| 568 |
|
---|
| 569 | if ((nonce = ctx->request->nonce) != NULL
|
---|
| 570 | && !TS_TST_INFO_set_nonce(tst_info, nonce))
|
---|
| 571 | goto end;
|
---|
| 572 |
|
---|
| 573 | if (ctx->flags & TS_TSA_NAME) {
|
---|
| 574 | if ((tsa_name = GENERAL_NAME_new()) == NULL)
|
---|
| 575 | goto end;
|
---|
| 576 | tsa_name->type = GEN_DIRNAME;
|
---|
| 577 | tsa_name->d.dirn =
|
---|
| 578 | X509_NAME_dup(X509_get_subject_name(ctx->signer_cert));
|
---|
| 579 | if (!tsa_name->d.dirn)
|
---|
| 580 | goto end;
|
---|
| 581 | if (!TS_TST_INFO_set_tsa(tst_info, tsa_name))
|
---|
| 582 | goto end;
|
---|
| 583 | }
|
---|
| 584 |
|
---|
| 585 | result = 1;
|
---|
| 586 | end:
|
---|
| 587 | if (!result) {
|
---|
| 588 | TS_TST_INFO_free(tst_info);
|
---|
| 589 | tst_info = NULL;
|
---|
| 590 | TSerr(TS_F_TS_RESP_CREATE_TST_INFO, TS_R_TST_INFO_SETUP_ERROR);
|
---|
| 591 | TS_RESP_CTX_set_status_info_cond(ctx, TS_STATUS_REJECTION,
|
---|
| 592 | "Error during TSTInfo "
|
---|
| 593 | "generation.");
|
---|
| 594 | }
|
---|
| 595 | GENERAL_NAME_free(tsa_name);
|
---|
| 596 | TS_ACCURACY_free(accuracy);
|
---|
| 597 | ASN1_GENERALIZEDTIME_free(asn1_time);
|
---|
| 598 | ASN1_INTEGER_free(serial);
|
---|
| 599 |
|
---|
| 600 | return tst_info;
|
---|
| 601 | }
|
---|
| 602 |
|
---|
| 603 | /* Processing the extensions of the request. */
|
---|
| 604 | static int ts_RESP_process_extensions(TS_RESP_CTX *ctx)
|
---|
| 605 | {
|
---|
| 606 | STACK_OF(X509_EXTENSION) *exts = ctx->request->extensions;
|
---|
| 607 | int i;
|
---|
| 608 | int ok = 1;
|
---|
| 609 |
|
---|
| 610 | for (i = 0; ok && i < sk_X509_EXTENSION_num(exts); ++i) {
|
---|
| 611 | X509_EXTENSION *ext = sk_X509_EXTENSION_value(exts, i);
|
---|
| 612 | /*
|
---|
| 613 | * The last argument was previously (void *)ctx->extension_cb,
|
---|
| 614 | * but ISO C doesn't permit converting a function pointer to void *.
|
---|
| 615 | * For lack of better information, I'm placing a NULL there instead.
|
---|
| 616 | * The callback can pick its own address out from the ctx anyway...
|
---|
| 617 | */
|
---|
| 618 | ok = (*ctx->extension_cb) (ctx, ext, NULL);
|
---|
| 619 | }
|
---|
| 620 |
|
---|
| 621 | return ok;
|
---|
| 622 | }
|
---|
| 623 |
|
---|
| 624 | /* Functions for signing the TS_TST_INFO structure of the context. */
|
---|
| 625 | static int ts_RESP_sign(TS_RESP_CTX *ctx)
|
---|
| 626 | {
|
---|
| 627 | int ret = 0;
|
---|
| 628 | PKCS7 *p7 = NULL;
|
---|
| 629 | PKCS7_SIGNER_INFO *si;
|
---|
| 630 | STACK_OF(X509) *certs; /* Certificates to include in sc. */
|
---|
| 631 | ESS_SIGNING_CERT *sc = NULL;
|
---|
| 632 | ASN1_OBJECT *oid;
|
---|
| 633 | BIO *p7bio = NULL;
|
---|
| 634 | int i;
|
---|
| 635 |
|
---|
| 636 | if (!X509_check_private_key(ctx->signer_cert, ctx->signer_key)) {
|
---|
| 637 | TSerr(TS_F_TS_RESP_SIGN, TS_R_PRIVATE_KEY_DOES_NOT_MATCH_CERTIFICATE);
|
---|
| 638 | goto err;
|
---|
| 639 | }
|
---|
| 640 |
|
---|
| 641 | if ((p7 = PKCS7_new()) == NULL) {
|
---|
| 642 | TSerr(TS_F_TS_RESP_SIGN, ERR_R_MALLOC_FAILURE);
|
---|
| 643 | goto err;
|
---|
| 644 | }
|
---|
| 645 | if (!PKCS7_set_type(p7, NID_pkcs7_signed))
|
---|
| 646 | goto err;
|
---|
| 647 | if (!ASN1_INTEGER_set(p7->d.sign->version, 3))
|
---|
| 648 | goto err;
|
---|
| 649 |
|
---|
| 650 | if (ctx->request->cert_req) {
|
---|
| 651 | PKCS7_add_certificate(p7, ctx->signer_cert);
|
---|
| 652 | if (ctx->certs) {
|
---|
| 653 | for (i = 0; i < sk_X509_num(ctx->certs); ++i) {
|
---|
| 654 | X509 *cert = sk_X509_value(ctx->certs, i);
|
---|
| 655 | PKCS7_add_certificate(p7, cert);
|
---|
| 656 | }
|
---|
| 657 | }
|
---|
| 658 | }
|
---|
| 659 |
|
---|
| 660 | if ((si = PKCS7_add_signature(p7, ctx->signer_cert,
|
---|
| 661 | ctx->signer_key, ctx->signer_md)) == NULL) {
|
---|
| 662 | TSerr(TS_F_TS_RESP_SIGN, TS_R_PKCS7_ADD_SIGNATURE_ERROR);
|
---|
| 663 | goto err;
|
---|
| 664 | }
|
---|
| 665 |
|
---|
| 666 | oid = OBJ_nid2obj(NID_id_smime_ct_TSTInfo);
|
---|
| 667 | if (!PKCS7_add_signed_attribute(si, NID_pkcs9_contentType,
|
---|
| 668 | V_ASN1_OBJECT, oid)) {
|
---|
| 669 | TSerr(TS_F_TS_RESP_SIGN, TS_R_PKCS7_ADD_SIGNED_ATTR_ERROR);
|
---|
| 670 | goto err;
|
---|
| 671 | }
|
---|
| 672 |
|
---|
| 673 | certs = ctx->flags & TS_ESS_CERT_ID_CHAIN ? ctx->certs : NULL;
|
---|
| 674 | if ((sc = ess_SIGNING_CERT_new_init(ctx->signer_cert, certs)) == NULL)
|
---|
| 675 | goto err;
|
---|
| 676 | if (!ESS_add_signing_cert(si, sc)) {
|
---|
| 677 | TSerr(TS_F_TS_RESP_SIGN, TS_R_ESS_ADD_SIGNING_CERT_ERROR);
|
---|
| 678 | goto err;
|
---|
| 679 | }
|
---|
| 680 |
|
---|
| 681 | if (!ts_TST_INFO_content_new(p7))
|
---|
| 682 | goto err;
|
---|
| 683 | if ((p7bio = PKCS7_dataInit(p7, NULL)) == NULL) {
|
---|
| 684 | TSerr(TS_F_TS_RESP_SIGN, ERR_R_MALLOC_FAILURE);
|
---|
| 685 | goto err;
|
---|
| 686 | }
|
---|
| 687 | if (!i2d_TS_TST_INFO_bio(p7bio, ctx->tst_info)) {
|
---|
| 688 | TSerr(TS_F_TS_RESP_SIGN, TS_R_TS_DATASIGN);
|
---|
| 689 | goto err;
|
---|
| 690 | }
|
---|
| 691 | if (!PKCS7_dataFinal(p7, p7bio)) {
|
---|
| 692 | TSerr(TS_F_TS_RESP_SIGN, TS_R_TS_DATASIGN);
|
---|
| 693 | goto err;
|
---|
| 694 | }
|
---|
| 695 | TS_RESP_set_tst_info(ctx->response, p7, ctx->tst_info);
|
---|
| 696 | p7 = NULL; /* Ownership is lost. */
|
---|
| 697 | ctx->tst_info = NULL; /* Ownership is lost. */
|
---|
| 698 |
|
---|
| 699 | ret = 1;
|
---|
| 700 | err:
|
---|
| 701 | if (!ret)
|
---|
| 702 | TS_RESP_CTX_set_status_info_cond(ctx, TS_STATUS_REJECTION,
|
---|
| 703 | "Error during signature "
|
---|
| 704 | "generation.");
|
---|
| 705 | BIO_free_all(p7bio);
|
---|
| 706 | ESS_SIGNING_CERT_free(sc);
|
---|
| 707 | PKCS7_free(p7);
|
---|
| 708 | return ret;
|
---|
| 709 | }
|
---|
| 710 |
|
---|
| 711 | static ESS_SIGNING_CERT *ess_SIGNING_CERT_new_init(X509 *signcert,
|
---|
| 712 | STACK_OF(X509) *certs)
|
---|
| 713 | {
|
---|
| 714 | ESS_CERT_ID *cid;
|
---|
| 715 | ESS_SIGNING_CERT *sc = NULL;
|
---|
| 716 | int i;
|
---|
| 717 |
|
---|
| 718 | if ((sc = ESS_SIGNING_CERT_new()) == NULL)
|
---|
| 719 | goto err;
|
---|
| 720 | if (sc->cert_ids == NULL
|
---|
| 721 | && (sc->cert_ids = sk_ESS_CERT_ID_new_null()) == NULL)
|
---|
| 722 | goto err;
|
---|
| 723 |
|
---|
| 724 | if ((cid = ess_CERT_ID_new_init(signcert, 0)) == NULL
|
---|
| 725 | || !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
|
---|
| 726 | goto err;
|
---|
| 727 | for (i = 0; i < sk_X509_num(certs); ++i) {
|
---|
| 728 | X509 *cert = sk_X509_value(certs, i);
|
---|
| 729 | if ((cid = ess_CERT_ID_new_init(cert, 1)) == NULL
|
---|
| 730 | || !sk_ESS_CERT_ID_push(sc->cert_ids, cid))
|
---|
| 731 | goto err;
|
---|
| 732 | }
|
---|
| 733 |
|
---|
| 734 | return sc;
|
---|
| 735 | err:
|
---|
| 736 | ESS_SIGNING_CERT_free(sc);
|
---|
| 737 | TSerr(TS_F_ESS_SIGNING_CERT_NEW_INIT, ERR_R_MALLOC_FAILURE);
|
---|
| 738 | return NULL;
|
---|
| 739 | }
|
---|
| 740 |
|
---|
| 741 | static ESS_CERT_ID *ess_CERT_ID_new_init(X509 *cert, int issuer_needed)
|
---|
| 742 | {
|
---|
| 743 | ESS_CERT_ID *cid = NULL;
|
---|
| 744 | GENERAL_NAME *name = NULL;
|
---|
| 745 | unsigned char cert_sha1[SHA_DIGEST_LENGTH];
|
---|
| 746 |
|
---|
| 747 | /* Call for side-effect of computing hash and caching extensions */
|
---|
| 748 | X509_check_purpose(cert, -1, 0);
|
---|
| 749 | if ((cid = ESS_CERT_ID_new()) == NULL)
|
---|
| 750 | goto err;
|
---|
| 751 | X509_digest(cert, EVP_sha1(), cert_sha1, NULL);
|
---|
| 752 | if (!ASN1_OCTET_STRING_set(cid->hash, cert_sha1, SHA_DIGEST_LENGTH))
|
---|
| 753 | goto err;
|
---|
| 754 |
|
---|
| 755 | /* Setting the issuer/serial if requested. */
|
---|
| 756 | if (issuer_needed) {
|
---|
| 757 | if (cid->issuer_serial == NULL
|
---|
| 758 | && (cid->issuer_serial = ESS_ISSUER_SERIAL_new()) == NULL)
|
---|
| 759 | goto err;
|
---|
| 760 | if ((name = GENERAL_NAME_new()) == NULL)
|
---|
| 761 | goto err;
|
---|
| 762 | name->type = GEN_DIRNAME;
|
---|
| 763 | if ((name->d.dirn = X509_NAME_dup(X509_get_issuer_name(cert))) == NULL)
|
---|
| 764 | goto err;
|
---|
| 765 | if (!sk_GENERAL_NAME_push(cid->issuer_serial->issuer, name))
|
---|
| 766 | goto err;
|
---|
| 767 | name = NULL; /* Ownership is lost. */
|
---|
| 768 | ASN1_INTEGER_free(cid->issuer_serial->serial);
|
---|
| 769 | if (!(cid->issuer_serial->serial =
|
---|
| 770 | ASN1_INTEGER_dup(X509_get_serialNumber(cert))))
|
---|
| 771 | goto err;
|
---|
| 772 | }
|
---|
| 773 |
|
---|
| 774 | return cid;
|
---|
| 775 | err:
|
---|
| 776 | GENERAL_NAME_free(name);
|
---|
| 777 | ESS_CERT_ID_free(cid);
|
---|
| 778 | TSerr(TS_F_ESS_CERT_ID_NEW_INIT, ERR_R_MALLOC_FAILURE);
|
---|
| 779 | return NULL;
|
---|
| 780 | }
|
---|
| 781 |
|
---|
| 782 | static int ts_TST_INFO_content_new(PKCS7 *p7)
|
---|
| 783 | {
|
---|
| 784 | PKCS7 *ret = NULL;
|
---|
| 785 | ASN1_OCTET_STRING *octet_string = NULL;
|
---|
| 786 |
|
---|
| 787 | /* Create new encapsulated NID_id_smime_ct_TSTInfo content. */
|
---|
| 788 | if ((ret = PKCS7_new()) == NULL)
|
---|
| 789 | goto err;
|
---|
| 790 | if ((ret->d.other = ASN1_TYPE_new()) == NULL)
|
---|
| 791 | goto err;
|
---|
| 792 | ret->type = OBJ_nid2obj(NID_id_smime_ct_TSTInfo);
|
---|
| 793 | if ((octet_string = ASN1_OCTET_STRING_new()) == NULL)
|
---|
| 794 | goto err;
|
---|
| 795 | ASN1_TYPE_set(ret->d.other, V_ASN1_OCTET_STRING, octet_string);
|
---|
| 796 | octet_string = NULL;
|
---|
| 797 |
|
---|
| 798 | /* Add encapsulated content to signed PKCS7 structure. */
|
---|
| 799 | if (!PKCS7_set_content(p7, ret))
|
---|
| 800 | goto err;
|
---|
| 801 |
|
---|
| 802 | return 1;
|
---|
| 803 | err:
|
---|
| 804 | ASN1_OCTET_STRING_free(octet_string);
|
---|
| 805 | PKCS7_free(ret);
|
---|
| 806 | return 0;
|
---|
| 807 | }
|
---|
| 808 |
|
---|
| 809 | static int ESS_add_signing_cert(PKCS7_SIGNER_INFO *si, ESS_SIGNING_CERT *sc)
|
---|
| 810 | {
|
---|
| 811 | ASN1_STRING *seq = NULL;
|
---|
| 812 | unsigned char *p, *pp = NULL;
|
---|
| 813 | int len;
|
---|
| 814 |
|
---|
| 815 | len = i2d_ESS_SIGNING_CERT(sc, NULL);
|
---|
| 816 | if ((pp = OPENSSL_malloc(len)) == NULL) {
|
---|
| 817 | TSerr(TS_F_ESS_ADD_SIGNING_CERT, ERR_R_MALLOC_FAILURE);
|
---|
| 818 | goto err;
|
---|
| 819 | }
|
---|
| 820 | p = pp;
|
---|
| 821 | i2d_ESS_SIGNING_CERT(sc, &p);
|
---|
| 822 | if ((seq = ASN1_STRING_new()) == NULL || !ASN1_STRING_set(seq, pp, len)) {
|
---|
| 823 | TSerr(TS_F_ESS_ADD_SIGNING_CERT, ERR_R_MALLOC_FAILURE);
|
---|
| 824 | goto err;
|
---|
| 825 | }
|
---|
| 826 | OPENSSL_free(pp);
|
---|
| 827 | pp = NULL;
|
---|
| 828 | return PKCS7_add_signed_attribute(si,
|
---|
| 829 | NID_id_smime_aa_signingCertificate,
|
---|
| 830 | V_ASN1_SEQUENCE, seq);
|
---|
| 831 | err:
|
---|
| 832 | ASN1_STRING_free(seq);
|
---|
| 833 | OPENSSL_free(pp);
|
---|
| 834 |
|
---|
| 835 | return 0;
|
---|
| 836 | }
|
---|
| 837 |
|
---|
| 838 | static ASN1_GENERALIZEDTIME
|
---|
| 839 | *TS_RESP_set_genTime_with_precision(ASN1_GENERALIZEDTIME *asn1_time,
|
---|
| 840 | long sec, long usec, unsigned precision)
|
---|
| 841 | {
|
---|
| 842 | time_t time_sec = (time_t)sec;
|
---|
| 843 | struct tm *tm = NULL;
|
---|
| 844 | char genTime_str[17 + TS_MAX_CLOCK_PRECISION_DIGITS];
|
---|
| 845 | char *p = genTime_str;
|
---|
| 846 | char *p_end = genTime_str + sizeof(genTime_str);
|
---|
| 847 |
|
---|
| 848 | if (precision > TS_MAX_CLOCK_PRECISION_DIGITS)
|
---|
| 849 | goto err;
|
---|
| 850 |
|
---|
| 851 | if ((tm = gmtime(&time_sec)) == NULL)
|
---|
| 852 | goto err;
|
---|
| 853 |
|
---|
| 854 | /*
|
---|
| 855 | * Put "genTime_str" in GeneralizedTime format. We work around the
|
---|
| 856 | * restrictions imposed by rfc3280 (i.e. "GeneralizedTime values MUST
|
---|
| 857 | * NOT include fractional seconds") and OpenSSL related functions to
|
---|
| 858 | * meet the rfc3161 requirement: "GeneralizedTime syntax can include
|
---|
| 859 | * fraction-of-second details".
|
---|
| 860 | */
|
---|
| 861 | p += BIO_snprintf(p, p_end - p,
|
---|
| 862 | "%04d%02d%02d%02d%02d%02d",
|
---|
| 863 | tm->tm_year + 1900, tm->tm_mon + 1, tm->tm_mday,
|
---|
| 864 | tm->tm_hour, tm->tm_min, tm->tm_sec);
|
---|
| 865 | if (precision > 0) {
|
---|
| 866 | BIO_snprintf(p, 2 + precision, ".%06ld", usec);
|
---|
| 867 | p += strlen(p);
|
---|
| 868 |
|
---|
| 869 | /*
|
---|
| 870 | * To make things a bit harder, X.690 | ISO/IEC 8825-1 provides the
|
---|
| 871 | * following restrictions for a DER-encoding, which OpenSSL
|
---|
| 872 | * (specifically ASN1_GENERALIZEDTIME_check() function) doesn't
|
---|
| 873 | * support: "The encoding MUST terminate with a "Z" (which means
|
---|
| 874 | * "Zulu" time). The decimal point element, if present, MUST be the
|
---|
| 875 | * point option ".". The fractional-seconds elements, if present,
|
---|
| 876 | * MUST omit all trailing 0's; if the elements correspond to 0, they
|
---|
| 877 | * MUST be wholly omitted, and the decimal point element also MUST be
|
---|
| 878 | * omitted."
|
---|
| 879 | */
|
---|
| 880 | /*
|
---|
| 881 | * Remove trailing zeros. The dot guarantees the exit condition of
|
---|
| 882 | * this loop even if all the digits are zero.
|
---|
| 883 | */
|
---|
| 884 | while (*--p == '0')
|
---|
| 885 | continue;
|
---|
| 886 | if (*p != '.')
|
---|
| 887 | ++p;
|
---|
| 888 | }
|
---|
| 889 | *p++ = 'Z';
|
---|
| 890 | *p++ = '\0';
|
---|
| 891 |
|
---|
| 892 | if (asn1_time == NULL
|
---|
| 893 | && (asn1_time = ASN1_GENERALIZEDTIME_new()) == NULL)
|
---|
| 894 | goto err;
|
---|
| 895 | if (!ASN1_GENERALIZEDTIME_set_string(asn1_time, genTime_str)) {
|
---|
| 896 | ASN1_GENERALIZEDTIME_free(asn1_time);
|
---|
| 897 | goto err;
|
---|
| 898 | }
|
---|
| 899 | return asn1_time;
|
---|
| 900 |
|
---|
| 901 | err:
|
---|
| 902 | TSerr(TS_F_TS_RESP_SET_GENTIME_WITH_PRECISION, TS_R_COULD_NOT_SET_TIME);
|
---|
| 903 | return NULL;
|
---|
| 904 | }
|
---|