83 lines
2.1 KiB
C
83 lines
2.1 KiB
C
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/*
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* Copyright 1995-2017 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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/*
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* GENERALIZEDTIME implementation. Based on UTCTIME
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*/
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#include <stdio.h>
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#include <time.h>
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#include "internal/cryptlib.h"
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#include <openssl/asn1.h>
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#include "asn1_local.h"
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/* This is the primary function used to parse ASN1_GENERALIZEDTIME */
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int asn1_generalizedtime_to_tm(struct tm *tm, const ASN1_GENERALIZEDTIME *d)
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{
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/* wrapper around asn1_time_to_tm */
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if (d->type != V_ASN1_GENERALIZEDTIME)
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return 0;
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return asn1_time_to_tm(tm, d);
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}
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int ASN1_GENERALIZEDTIME_check(const ASN1_GENERALIZEDTIME *d)
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{
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return asn1_generalizedtime_to_tm(NULL, d);
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}
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int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str)
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{
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ASN1_GENERALIZEDTIME t;
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t.type = V_ASN1_GENERALIZEDTIME;
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t.length = strlen(str);
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t.data = (unsigned char *)str;
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t.flags = 0;
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if (!ASN1_GENERALIZEDTIME_check(&t))
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return 0;
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if (s != NULL && !ASN1_STRING_copy(s, &t))
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return 0;
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return 1;
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}
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ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
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time_t t)
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{
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return ASN1_GENERALIZEDTIME_adj(s, t, 0, 0);
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}
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ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s,
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time_t t, int offset_day,
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long offset_sec)
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{
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struct tm *ts;
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struct tm data;
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ts = OPENSSL_gmtime(&t, &data);
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if (ts == NULL)
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return NULL;
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if (offset_day || offset_sec) {
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if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
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return NULL;
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}
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return asn1_time_from_tm(s, ts, V_ASN1_GENERALIZEDTIME);
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}
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int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
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{
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if (tm->type != V_ASN1_GENERALIZEDTIME)
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return 0;
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return ASN1_TIME_print(bp, tm);
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}
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