2 * Copyright 1995-2021 The OpenSSL Project Authors. All Rights Reserved.
4 * Licensed under the Apache License 2.0 (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
11 * GENERALIZEDTIME implementation. Based on UTCTIME
16 #include "internal/cryptlib.h"
17 #include <openssl/asn1.h>
18 #include "asn1_local.h"
19 #include <openssl/asn1t.h>
21 IMPLEMENT_ASN1_DUP_FUNCTION(ASN1_GENERALIZEDTIME)
23 /* This is the primary function used to parse ASN1_GENERALIZEDTIME */
24 static int asn1_generalizedtime_to_tm(struct tm *tm,
25 const ASN1_GENERALIZEDTIME *d)
27 /* wrapper around ossl_asn1_time_to_tm */
28 if (d->type != V_ASN1_GENERALIZEDTIME)
30 return ossl_asn1_time_to_tm(tm, d);
33 int ASN1_GENERALIZEDTIME_check(const ASN1_GENERALIZEDTIME *d)
35 return asn1_generalizedtime_to_tm(NULL, d);
38 int ASN1_GENERALIZEDTIME_set_string(ASN1_GENERALIZEDTIME *s, const char *str)
40 ASN1_GENERALIZEDTIME t;
42 t.type = V_ASN1_GENERALIZEDTIME;
43 t.length = strlen(str);
44 t.data = (unsigned char *)str;
47 if (!ASN1_GENERALIZEDTIME_check(&t))
50 if (s != NULL && !ASN1_STRING_copy(s, &t))
56 ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_set(ASN1_GENERALIZEDTIME *s,
59 return ASN1_GENERALIZEDTIME_adj(s, t, 0, 0);
62 ASN1_GENERALIZEDTIME *ASN1_GENERALIZEDTIME_adj(ASN1_GENERALIZEDTIME *s,
63 time_t t, int offset_day,
69 ts = OPENSSL_gmtime(&t, &data);
73 if (offset_day || offset_sec) {
74 if (!OPENSSL_gmtime_adj(ts, offset_day, offset_sec))
78 return ossl_asn1_time_from_tm(s, ts, V_ASN1_GENERALIZEDTIME);
81 int ASN1_GENERALIZEDTIME_print(BIO *bp, const ASN1_GENERALIZEDTIME *tm)
83 if (tm->type != V_ASN1_GENERALIZEDTIME)
85 return ASN1_TIME_print(bp, tm);