Add Copyright and license.

Correct the description of what happens when the session cache is full,
from OpenSSL.

1 files changed, 53 insertions, 6 deletions

diff --git a/lib/libssl/man/SSL_CTX_sess_set_cache_size.3 b/lib/libssl/man/SSL_CTX_sess_set_cache_size.3
index 1cc6516d200..17ea0a75ebb 100644
--- a/lib/libssl/man/SSL_CTX_sess_set_cache_size.3
+++ b/lib/libssl/man/SSL_CTX_sess_set_cache_size.3
@@ -1,7 +1,54 @@
+.\"	$OpenBSD: SSL_CTX_sess_set_cache_size.3,v 1.2 2016/11/30 16:24:56 schwarze Exp $
+.\"	OpenSSL b97fdb57 Nov 11 09:33:09 2016 +0100
 .\"
-.\"	$OpenBSD: SSL_CTX_sess_set_cache_size.3,v 1.1 2016/11/05 15:32:19 schwarze Exp $
+.\" This file was written by Lutz Jaenicke <jaenicke@openssl.org>.
+.\" Copyright (c) 2001, 2002, 2014 The OpenSSL Project.  All rights reserved.
 .\"
-.Dd $Mdocdate: November 5 2016 $
+.\" Redistribution and use in source and binary forms, with or without
+.\" modification, are permitted provided that the following conditions
+.\" are met:
+.\"
+.\" 1. Redistributions of source code must retain the above copyright
+.\"    notice, this list of conditions and the following disclaimer.
+.\"
+.\" 2. Redistributions in binary form must reproduce the above copyright
+.\"    notice, this list of conditions and the following disclaimer in
+.\"    the documentation and/or other materials provided with the
+.\"    distribution.
+.\"
+.\" 3. All advertising materials mentioning features or use of this
+.\"    software must display the following acknowledgment:
+.\"    "This product includes software developed by the OpenSSL Project
+.\"    for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
+.\"
+.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
+.\"    endorse or promote products derived from this software without
+.\"    prior written permission. For written permission, please contact
+.\"    openssl-core@openssl.org.
+.\"
+.\" 5. Products derived from this software may not be called "OpenSSL"
+.\"    nor may "OpenSSL" appear in their names without prior written
+.\"    permission of the OpenSSL Project.
+.\"
+.\" 6. Redistributions of any form whatsoever must retain the following
+.\"    acknowledgment:
+.\"    "This product includes software developed by the OpenSSL Project
+.\"    for use in the OpenSSL Toolkit (http://www.openssl.org/)"
+.\"
+.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
+.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
+.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
+.\" PURPOSE ARE DISCLAIMED.  IN NO EVENT SHALL THE OpenSSL PROJECT OR
+.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
+.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
+.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
+.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
+.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
+.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
+.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
+.\" OF THE POSSIBILITY OF SUCH DAMAGE.
+.\"
+.Dd $Mdocdate: November 30 2016 $
 .Dt SSL_CTX_SESS_SET_CACHE_SIZE 3
 .Os
 .Sh NAME
@@ -23,7 +70,7 @@ to
 .Pp
 .Fn SSL_CTX_sess_get_cache_size
 returns the currently valid session cache size.
-.Sh NOTES
+.Pp
 The internal session cache size is
 .Dv SSL_SESSION_CACHE_MAX_SIZE_DEFAULT ,
 currently 1024\(mu20, so that up to 20000 sessions can be held.
@@ -32,9 +79,9 @@ This size can be modified using the
 call.
 A special case is the size 0, which is used for unlimited size.
 .Pp
-When the maximum number of sessions is reached,
-no more new sessions are added to the cache.
-New space may be added by calling
+If adding the session makes the cache exceed its size, then unused
+sessions are dropped from the end of the cache.
+Cache space may also be reclaimed by calling
 .Xr SSL_CTX_flush_sessions 3
 to remove expired sessions.
 .Pp