99 lines
2.2 KiB
C
99 lines
2.2 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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#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_UTCTIME */
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int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d)
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{
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/* wrapper around ans1_time_to_tm */
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if (d->type != V_ASN1_UTCTIME)
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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_UTCTIME_check(const ASN1_UTCTIME *d)
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{
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return asn1_utctime_to_tm(NULL, d);
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}
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/* Sets the string via simple copy without cleaning it up */
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int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
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{
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ASN1_UTCTIME t;
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t.type = V_ASN1_UTCTIME;
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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_UTCTIME_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_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
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{
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return ASN1_UTCTIME_adj(s, t, 0, 0);
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}
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ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
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int offset_day, 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_UTCTIME);
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}
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int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
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{
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struct tm stm, ttm;
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int day, sec;
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if (!asn1_utctime_to_tm(&stm, s))
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return -2;
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if (OPENSSL_gmtime(&t, &ttm) == NULL)
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return -2;
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if (!OPENSSL_gmtime_diff(&day, &sec, &ttm, &stm))
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return -2;
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if (day > 0 || sec > 0)
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return 1;
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if (day < 0 || sec < 0)
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return -1;
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return 0;
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}
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int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
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{
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if (tm->type != V_ASN1_UTCTIME)
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return 0;
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return ASN1_TIME_print(bp, tm);
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}
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