/* * Copyright 2016 The OpenSSL Project Authors. All Rights Reserved. * * Licensed under the Apache License 2.0 (the "License"). You may not use * this file except in compliance with the License. You can obtain a copy * in the file LICENSE in the source distribution or at * https://www.openssl.org/source/license.html */ #ifdef OPENSSL_NO_CT # error "CT is disabled" #endif #include <openssl/ct.h> #include <openssl/err.h> #include <time.h> #include "ct_locl.h" /* * Number of seconds in the future that an SCT timestamp can be, by default, * without being considered invalid. This is added to time() when setting a * default value for CT_POLICY_EVAL_CTX.epoch_time_in_ms. * It can be overridden by calling CT_POLICY_EVAL_CTX_set_time(). */ static const time_t SCT_CLOCK_DRIFT_TOLERANCE = 300; CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void) { CT_POLICY_EVAL_CTX *ctx = OPENSSL_zalloc(sizeof(CT_POLICY_EVAL_CTX)); if (ctx == NULL) { CTerr(CT_F_CT_POLICY_EVAL_CTX_NEW, ERR_R_MALLOC_FAILURE); return NULL; } /* time(NULL) shouldn't ever fail, so don't bother checking for -1. */ ctx->epoch_time_in_ms = (uint64_t)(time(NULL) + SCT_CLOCK_DRIFT_TOLERANCE) * 1000; return ctx; } void CT_POLICY_EVAL_CTX_free(CT_POLICY_EVAL_CTX *ctx) { if (ctx == NULL) return; X509_free(ctx->cert); X509_free(ctx->issuer); OPENSSL_free(ctx); } int CT_POLICY_EVAL_CTX_set1_cert(CT_POLICY_EVAL_CTX *ctx, X509 *cert) { if (!X509_up_ref(cert)) return 0; ctx->cert = cert; return 1; } int CT_POLICY_EVAL_CTX_set1_issuer(CT_POLICY_EVAL_CTX *ctx, X509 *issuer) { if (!X509_up_ref(issuer)) return 0; ctx->issuer = issuer; return 1; } void CT_POLICY_EVAL_CTX_set_shared_CTLOG_STORE(CT_POLICY_EVAL_CTX *ctx, CTLOG_STORE *log_store) { ctx->log_store = log_store; } void CT_POLICY_EVAL_CTX_set_time(CT_POLICY_EVAL_CTX *ctx, uint64_t time_in_ms) { ctx->epoch_time_in_ms = time_in_ms; } X509* CT_POLICY_EVAL_CTX_get0_cert(const CT_POLICY_EVAL_CTX *ctx) { return ctx->cert; } X509* CT_POLICY_EVAL_CTX_get0_issuer(const CT_POLICY_EVAL_CTX *ctx) { return ctx->issuer; } const CTLOG_STORE *CT_POLICY_EVAL_CTX_get0_log_store(const CT_POLICY_EVAL_CTX *ctx) { return ctx->log_store; } uint64_t CT_POLICY_EVAL_CTX_get_time(const CT_POLICY_EVAL_CTX *ctx) { return ctx->epoch_time_in_ms; }