mirror of https://github.com/openssl/openssl.git
91 lines
2.1 KiB
C
91 lines
2.1 KiB
C
/*
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* Copyright 2020-2021 The OpenSSL Project Authors. All Rights Reserved.
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*
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* Licensed under the Apache License 2.0 (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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#include <stdio.h>
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#include <time.h>
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#include <openssl/asn1t.h>
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#include "../testutil.h"
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/*
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* tweak for Windows
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*/
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#ifdef WIN32
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# define timezone _timezone
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#endif
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#if defined(__FreeBSD__) || defined(__wasi__)
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# define USE_TIMEGM
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#endif
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time_t test_asn1_string_to_time_t(const char *asn1_string)
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{
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ASN1_TIME *timestamp_asn1 = NULL;
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struct tm *timestamp_tm = NULL;
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#if defined(__DJGPP__)
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char *tz = NULL;
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#elif !defined(USE_TIMEGM)
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time_t timestamp_local;
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#endif
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time_t timestamp_utc;
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timestamp_asn1 = ASN1_TIME_new();
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if(timestamp_asn1 == NULL)
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return -1;
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if (!ASN1_TIME_set_string(timestamp_asn1, asn1_string))
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{
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ASN1_TIME_free(timestamp_asn1);
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return -1;
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}
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timestamp_tm = OPENSSL_malloc(sizeof(*timestamp_tm));
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if (timestamp_tm == NULL) {
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ASN1_TIME_free(timestamp_asn1);
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return -1;
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}
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if (!(ASN1_TIME_to_tm(timestamp_asn1, timestamp_tm))) {
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OPENSSL_free(timestamp_tm);
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ASN1_TIME_free(timestamp_asn1);
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return -1;
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}
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ASN1_TIME_free(timestamp_asn1);
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#if defined(__DJGPP__)
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/*
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* This is NOT thread-safe. Do not use this method for platforms other
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* than djgpp.
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*/
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tz = getenv("TZ");
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if (tz != NULL) {
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tz = OPENSSL_strdup(tz);
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if (tz == NULL) {
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OPENSSL_free(timestamp_tm);
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return -1;
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}
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}
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setenv("TZ", "UTC", 1);
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timestamp_utc = mktime(timestamp_tm);
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if (tz != NULL) {
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setenv("TZ", tz, 1);
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OPENSSL_free(tz);
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} else {
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unsetenv("TZ");
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}
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#elif defined(USE_TIMEGM)
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timestamp_utc = timegm(timestamp_tm);
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#else
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timestamp_local = mktime(timestamp_tm);
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timestamp_utc = timestamp_local - timezone;
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#endif
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OPENSSL_free(timestamp_tm);
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return timestamp_utc;
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}
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