mirror of
https://github.com/openssl/openssl.git
synced 2024-12-21 06:09:35 +08:00
25d7cd1d69
Reviewed-by: Paul Dale <paul.dale@oracle.com> Reviewed-by: Matt Caswell <matt@openssl.org> (Merged from https://github.com/openssl/openssl/pull/10502)
84 lines
3.0 KiB
Plaintext
84 lines
3.0 KiB
Plaintext
=pod
|
|
|
|
=head1 NAME
|
|
|
|
X509_cmp_time, X509_cmp_current_time, X509_cmp_timeframe,
|
|
X509_time_adj, X509_time_adj_ex
|
|
- X509 time functions
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
int X509_cmp_time(const ASN1_TIME *asn1_time, time_t *in_tm);
|
|
int X509_cmp_current_time(const ASN1_TIME *asn1_time);
|
|
int X509_cmp_timeframe(const X509_VERIFY_PARAM *vpm,
|
|
const ASN1_TIME *start, const ASN1_TIME *end);
|
|
ASN1_TIME *X509_time_adj(ASN1_TIME *asn1_time, long offset_sec, time_t *in_tm);
|
|
ASN1_TIME *X509_time_adj_ex(ASN1_TIME *asn1_time, int offset_day, long
|
|
offset_sec, time_t *in_tm);
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
X509_cmp_time() compares the ASN1_TIME in B<asn1_time> with the time
|
|
in <in_tm>.
|
|
|
|
X509_cmp_current_time() compares the ASN1_TIME in
|
|
B<asn1_time> with the current time, expressed as time_t.
|
|
|
|
X509_cmp_timeframe() compares the given time period with the reference time
|
|
included in the verification parameters B<vpm> if they are not NULL and contain
|
|
B<X509_V_FLAG_USE_CHECK_TIME>; else the current time is used as reference time.
|
|
|
|
X509_time_adj_ex() sets the ASN1_TIME structure B<asn1_time> to the time
|
|
B<offset_day> and B<offset_sec> after B<in_tm>.
|
|
|
|
X509_time_adj() sets the ASN1_TIME structure B<asn1_time> to the time
|
|
B<offset_sec> after B<in_tm>. This method can only handle second
|
|
offsets up to the capacity of long, so the newer X509_time_adj_ex()
|
|
API should be preferred.
|
|
|
|
In both methods, if B<asn1_time> is NULL, a new ASN1_TIME structure
|
|
is allocated and returned.
|
|
|
|
In all methods, if B<in_tm> is NULL, the current time, expressed as
|
|
time_t, is used.
|
|
|
|
B<asn1_time> must satisfy the ASN1_TIME format mandated by RFC 5280,
|
|
i.e., its format must be either YYMMDDHHMMSSZ or YYYYMMDDHHMMSSZ.
|
|
|
|
=head1 BUGS
|
|
|
|
Unlike many standard comparison functions, X509_cmp_time() and
|
|
X509_cmp_current_time() return 0 on error.
|
|
|
|
=head1 RETURN VALUES
|
|
|
|
X509_cmp_time() and X509_cmp_current_time() return -1 if B<asn1_time>
|
|
is earlier than, or equal to, B<in_tm> (resp. current time), and 1
|
|
otherwise. These methods return 0 on error.
|
|
|
|
X509_cmp_timeframe() returns 0 if B<vpm> is not NULL and the verification
|
|
parameters do not contain B<X509_V_FLAG_USE_CHECK_TIME>
|
|
but do contain B<X509_V_FLAG_NO_CHECK_TIME>. Otherwise it returns
|
|
1 if the end time is not NULL and the reference time (which has determined as
|
|
stated above) is past the end time, -1 if the start time is not NULL and the
|
|
reference time is before, else 0 to indicate that the reference time is in range
|
|
(implying that the end time is not before the start time if both are present).
|
|
|
|
X509_time_adj() and X509_time_adj_ex() return a pointer to the updated
|
|
ASN1_TIME structure, and NULL on error.
|
|
|
|
=head1 HISTORY
|
|
|
|
X509_cmp_timeframe() was added in OpenSSL 3.0.
|
|
|
|
=head1 COPYRIGHT
|
|
|
|
Copyright 2017-2018 The OpenSSL Project Authors. All Rights Reserved.
|
|
|
|
Licensed under the Apache License 2.0 (the "License"). You may not use
|
|
this file except in compliance with the License. You can obtain a copy
|
|
in the file LICENSE in the source distribution or at
|
|
L<https://www.openssl.org/source/license.html>.
|
|
|
|
=cut
|