174 lines
5.3 KiB
Groff
174 lines
5.3 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "SSL_CTX_flush_sessions 3"
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.TH SSL_CTX_flush_sessions 3 "2012-05-10" "1.0.1c" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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SSL_CTX_flush_sessions, SSL_flush_sessions \- remove expired sessions
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 1
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\& #include <openssl/ssl.h>
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\&
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\& void SSL_CTX_flush_sessions(SSL_CTX *ctx, long tm);
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\& void SSL_flush_sessions(SSL_CTX *ctx, long tm);
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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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\&\fISSL_CTX_flush_sessions()\fR causes a run through the session cache of
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\&\fBctx\fR to remove sessions expired at time \fBtm\fR.
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.PP
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\&\fISSL_flush_sessions()\fR is a synonym for \fISSL_CTX_flush_sessions()\fR.
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.SH "NOTES"
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.IX Header "NOTES"
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If enabled, the internal session cache will collect all sessions established
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up to the specified maximum number (see \fISSL_CTX_sess_set_cache_size()\fR).
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As sessions will not be reused ones they are expired, they should be
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removed from the cache to save resources. This can either be done
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automatically whenever 255 new sessions were established (see
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\&\fISSL_CTX_set_session_cache_mode\fR\|(3))
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or manually by calling \fISSL_CTX_flush_sessions()\fR.
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.PP
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The parameter \fBtm\fR specifies the time which should be used for the
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expiration test, in most cases the actual time given by \fItime\fR\|(0)
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will be used.
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.PP
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\&\fISSL_CTX_flush_sessions()\fR will only check sessions stored in the internal
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cache. When a session is found and removed, the remove_session_cb is however
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called to synchronize with the external cache (see
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\&\fISSL_CTX_sess_set_get_cb\fR\|(3)).
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.SH "RETURN VALUES"
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.IX Header "RETURN VALUES"
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fIssl\fR\|(3),
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\&\fISSL_CTX_set_session_cache_mode\fR\|(3),
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\&\fISSL_CTX_set_timeout\fR\|(3),
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\&\fISSL_CTX_sess_set_get_cb\fR\|(3)
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