:-'Generic Commit'

dropshell-tool/openssl-1.1.1w/doc/man3/SSL_CTX_add_session.pod

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+=pod
+
+=head1 NAME
+
+SSL_CTX_add_session, SSL_CTX_remove_session - manipulate session cache
+
+=head1 SYNOPSIS
+
+ #include <openssl/ssl.h>
+
+ int SSL_CTX_add_session(SSL_CTX *ctx, SSL_SESSION *c);
+
+ int SSL_CTX_remove_session(SSL_CTX *ctx, SSL_SESSION *c);
+
+=head1 DESCRIPTION
+
+SSL_CTX_add_session() adds the session B<c> to the context B<ctx>. The
+reference count for session B<c> is incremented by 1. If a session with
+the same session id already exists, the old session is removed by calling
+L<SSL_SESSION_free(3)>.
+
+SSL_CTX_remove_session() removes the session B<c> from the context B<ctx> and
+marks it as non-resumable. L<SSL_SESSION_free(3)> is called once for B<c>.
+
+=head1 NOTES
+
+When adding a new session to the internal session cache, it is examined
+whether a session with the same session id already exists. In this case
+it is assumed that both sessions are identical. If the same session is
+stored in a different SSL_SESSION object, The old session is
+removed and replaced by the new session. If the session is actually
+identical (the SSL_SESSION object is identical), SSL_CTX_add_session()
+is a no-op, and the return value is 0.
+
+If a server SSL_CTX is configured with the SSL_SESS_CACHE_NO_INTERNAL_STORE
+flag then the internal cache will not be populated automatically by new
+sessions negotiated by the SSL/TLS implementation, even though the internal
+cache will be searched automatically for session-resume requests (the
+latter can be suppressed by SSL_SESS_CACHE_NO_INTERNAL_LOOKUP). So the
+application can use SSL_CTX_add_session() directly to have full control
+over the sessions that can be resumed if desired.
+
+
+=head1 RETURN VALUES
+
+The following values are returned by all functions:
+
+=over 4
+
+=item Z<>0
+
+The operation failed. In case of the add operation, it was tried to add
+the same (identical) session twice. In case of the remove operation, the
+session was not found in the cache.
+
+=item Z<>1
+
+The operation succeeded.
+
+=back
+
+=head1 SEE ALSO
+
+L<ssl(7)>,
+L<SSL_CTX_set_session_cache_mode(3)>,
+L<SSL_SESSION_free(3)>
+
+=head1 COPYRIGHT
+
+Copyright 2001-2016 The OpenSSL Project Authors. All Rights Reserved.
+
+Licensed under the OpenSSL license (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