| /* |
| * Copyright 2016-2020 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_local.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_ex(OSSL_LIB_CTX *libctx, |
| const char *propq) |
| { |
| CT_POLICY_EVAL_CTX *ctx = OPENSSL_zalloc(sizeof(CT_POLICY_EVAL_CTX)); |
| |
| if (ctx == NULL) { |
| ERR_raise(ERR_LIB_CT, ERR_R_MALLOC_FAILURE); |
| return NULL; |
| } |
| |
| ctx->libctx = libctx; |
| if (propq != NULL) { |
| ctx->propq = OPENSSL_strdup(propq); |
| if (ctx->propq == NULL) { |
| ERR_raise(ERR_LIB_CT, ERR_R_MALLOC_FAILURE); |
| OPENSSL_free(ctx); |
| 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; |
| } |
| |
| CT_POLICY_EVAL_CTX *CT_POLICY_EVAL_CTX_new(void) |
| { |
| return CT_POLICY_EVAL_CTX_new_ex(NULL, NULL); |
| } |
| |
| 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->propq); |
| 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; |
| } |