2 * Copyright 1995-2017 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the OpenSSL license (the "License"). You may not use
5 * this file except in compliance with the License. You can obtain a copy
6 * in the file LICENSE in the source distribution or at
7 * https://www.openssl.org/source/license.html
12 #include "internal/cryptlib.h"
13 #include <openssl/asn1.h>
14 #include "asn1_locl.h"
16 /* This is the primary function used to parse ASN1_UTCTIME */
17 int asn1_utctime_to_tm(struct tm *tm, const ASN1_UTCTIME *d)
19 /* wrapper around ans1_time_to_tm */
20 if (d->type != V_ASN1_UTCTIME)
22 return asn1_time_to_tm(tm, d);
25 int ASN1_UTCTIME_check(const ASN1_UTCTIME *d)
27 return asn1_utctime_to_tm(NULL, d);
30 /* Sets the string via simple copy without cleaning it up */
31 int ASN1_UTCTIME_set_string(ASN1_UTCTIME *s, const char *str)
35 t.type = V_ASN1_UTCTIME;
36 t.length = strlen(str);
37 t.data = (unsigned char *)str;
40 if (!ASN1_UTCTIME_check(&t))
43 if (s != NULL && !ASN1_STRING_copy(s, &t))
49 ASN1_UTCTIME *ASN1_UTCTIME_set(ASN1_UTCTIME *s, time_t t)
51 return ASN1_UTCTIME_adj(s, t, 0, 0);
54 ASN1_UTCTIME *ASN1_UTCTIME_adj(ASN1_UTCTIME *s, time_t t,
55 int offset_day, long offset_sec)
60 ts = OPENSSL_gmtime(&t, &data);
64 if (offset_day || offset_sec) {
65 if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
69 return asn1_time_from_tm(s, ts, V_ASN1_UTCTIME);
72 int ASN1_UTCTIME_cmp_time_t(const ASN1_UTCTIME *s, time_t t)
77 if (!asn1_utctime_to_tm(&stm, s))
80 if (OPENSSL_gmtime(&t, &ttm) == NULL)
83 if (!OPENSSL_gmtime_diff(&day, &sec, &ttm, &stm))
86 if (day > 0 || sec > 0)
88 if (day < 0 || sec < 0)
93 int ASN1_UTCTIME_print(BIO *bp, const ASN1_UTCTIME *tm)
95 if (tm->type != V_ASN1_UTCTIME)
97 return ASN1_TIME_print(bp, tm);