99 lines
2.4 KiB
C
99 lines
2.4 KiB
C
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/*
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* Copyright 2016 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the OpenSSL license (the "License"). You may not use
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* this file except in compliance with the License. You can obtain a copy
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* in the file LICENSE in the source distribution or at
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* https://www.openssl.org/source/license.html
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*/
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#ifdef OPENSSL_NO_CT
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# error "CT is disabled"
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#endif
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#include <openssl/ct.h>
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#include <openssl/err.h>
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#include <time.h>
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#include "ct_local.h"
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/*
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* Number of seconds in the future that an SCT timestamp can be, by default,
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* without being considered invalid. This is added to time() when setting a
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* default value for CT_POLICY_EVAL_CTX.epoch_time_in_ms.
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* It can be overridden by calling CT_POLICY_EVAL_CTX_set_time().
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*/
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static const time_t SCT_CLOCK_DRIFT_TOLERANCE = 300;
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CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void)
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{
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CT_POLICY_EVAL_CTX *ctx = OPENSSL_zalloc(sizeof(CT_POLICY_EVAL_CTX));
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if (ctx == NULL) {
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CTerr(CT_F_CT_POLICY_EVAL_CTX_NEW, ERR_R_MALLOC_FAILURE);
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return NULL;
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}
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/* time(NULL) shouldn't ever fail, so don't bother checking for -1. */
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ctx->epoch_time_in_ms = (uint64_t)(time(NULL) + SCT_CLOCK_DRIFT_TOLERANCE) *
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1000;
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return ctx;
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}
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void CT_POLICY_EVAL_CTX_free(CT_POLICY_EVAL_CTX *ctx)
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{
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if (ctx == NULL)
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return;
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X509_free(ctx->cert);
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X509_free(ctx->issuer);
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OPENSSL_free(ctx);
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}
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int CT_POLICY_EVAL_CTX_set1_cert(CT_POLICY_EVAL_CTX *ctx, X509 *cert)
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{
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if (!X509_up_ref(cert))
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return 0;
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ctx->cert = cert;
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return 1;
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}
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int CT_POLICY_EVAL_CTX_set1_issuer(CT_POLICY_EVAL_CTX *ctx, X509 *issuer)
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{
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if (!X509_up_ref(issuer))
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return 0;
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ctx->issuer = issuer;
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return 1;
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}
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void CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(CT_POLICY_EVAL_CTX *ctx,
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CTLOG_STORE *log_store)
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{
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ctx->log_store = log_store;
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}
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void CT_POLICY_EVAL_CTX_set_time(CT_POLICY_EVAL_CTX *ctx, uint64_t time_in_ms)
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{
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ctx->epoch_time_in_ms = time_in_ms;
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}
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X509* CT_POLICY_EVAL_CTX_get0_cert(const CT_POLICY_EVAL_CTX *ctx)
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{
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return ctx->cert;
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}
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X509* CT_POLICY_EVAL_CTX_get0_issuer(const CT_POLICY_EVAL_CTX *ctx)
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{
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return ctx->issuer;
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}
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const CTLOG_STORE *CT_POLICY_EVAL_CTX_get0_log_store(const CT_POLICY_EVAL_CTX *ctx)
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{
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return ctx->log_store;
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}
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uint64_t CT_POLICY_EVAL_CTX_get_time(const CT_POLICY_EVAL_CTX *ctx)
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{
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return ctx->epoch_time_in_ms;
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}
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