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f1607c8a2c
Fixes #24322 CLA: trivial Reviewed-by: Matt Caswell <matt@openssl.org> Reviewed-by: Tom Cosgrove <tom.cosgrove@arm.com> (Merged from https://github.com/openssl/openssl/pull/25665)
98 lines
3.1 KiB
Plaintext
98 lines
3.1 KiB
Plaintext
=pod
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=head1 NAME
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SSL_SESSION_get_time, SSL_SESSION_set_time, SSL_SESSION_get_timeout,
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SSL_SESSION_set_timeout, SSL_SESSION_get_time_ex, SSL_SESSION_set_time_ex,
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SSL_get_time, SSL_set_time, SSL_get_timeout, SSL_set_timeout
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- retrieve and manipulate session time and timeout settings
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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long SSL_SESSION_get_timeout(const SSL_SESSION *s);
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long SSL_SESSION_set_timeout(SSL_SESSION *s, long tm);
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long SSL_get_timeout(const SSL_SESSION *s);
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long SSL_set_timeout(SSL_SESSION *s, long tm);
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time_t SSL_SESSION_get_time_ex(const SSL_SESSION *s);
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time_t SSL_SESSION_set_time_ex(SSL_SESSION *s, time_t tm);
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The following functions have been deprecated since OpenSSL 3.4, and can be
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hidden entirely by defining B<OPENSSL_API_COMPAT> with a suitable version value,
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see L<openssl_user_macros(7)>:
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long SSL_SESSION_get_time(const SSL_SESSION *s);
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long SSL_SESSION_set_time(SSL_SESSION *s, long tm);
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long SSL_get_time(const SSL_SESSION *s);
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long SSL_set_time(SSL_SESSION *s, long tm);
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=head1 DESCRIPTION
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SSL_SESSION_get_time_ex() returns the time at which the session B<s> was
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established. The time is given in seconds since the Epoch and therefore
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compatible to the time delivered by the time() call.
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SSL_SESSION_set_time_ex() replaces the creation time of the session B<s> with
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the chosen value B<tm>.
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SSL_SESSION_get_timeout() returns the timeout value set for session B<s>
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in seconds.
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SSL_SESSION_set_timeout() sets the timeout value for session B<s> in seconds
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to B<tm>.
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SSL_SESSION_get_time() and SSL_SESSION_set_time() functions use
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the long datatype instead of time_t and are therefore deprecated due to not
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being Y2038-safe on 32 bit systems. Note that such systems still need
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to be configured to use 64 bit time_t to be able to avoid overflow in system time.
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The SSL_get_time(), SSL_set_time(), SSL_get_timeout(), and SSL_set_timeout()
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functions are synonyms for the SSL_SESSION_*() counterparts.
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=head1 NOTES
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Sessions are expired by examining the creation time and the timeout value.
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Both are set at creation time of the session to the actual time and the
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default timeout value at creation, respectively, as set by
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L<SSL_CTX_set_timeout(3)>.
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Using these functions it is possible to extend or shorten the lifetime
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of the session.
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=head1 RETURN VALUES
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SSL_SESSION_get_time_ex() and SSL_SESSION_get_timeout() return the currently
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valid values.
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SSL_SESSION_set_time_ex() returns time on success.
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SSL_SESSION_set_timeout() returns 1 on success.
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If any of the function is passed the NULL pointer for the session B<s>,
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0 is returned.
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=head1 BUGS
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The data type long is typically 32 bits on many systems, hence the old
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functions SSL_SESSION_get_time() and SSL_SESSION_set_time() are not always
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Y2038 safe.
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=head1 SEE ALSO
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L<ssl(7)>,
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L<SSL_CTX_set_timeout(3)>,
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L<SSL_get_default_timeout(3)>
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=head1 COPYRIGHT
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Copyright 2001-2024 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (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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L<https://www.openssl.org/source/license.html>.
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=cut
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