2001-02-24 05:05:56 +08:00
|
|
|
=pod
|
|
|
|
|
|
|
|
=head1 NAME
|
|
|
|
|
2016-06-06 12:43:05 +08:00
|
|
|
SSL_get_version - get the protocol version of a connection
|
2001-02-24 05:05:56 +08:00
|
|
|
|
|
|
|
=head1 SYNOPSIS
|
|
|
|
|
|
|
|
#include <openssl/ssl.h>
|
|
|
|
|
2005-03-30 19:50:14 +08:00
|
|
|
const char *SSL_get_version(const SSL *ssl);
|
2001-02-24 05:05:56 +08:00
|
|
|
|
|
|
|
=head1 DESCRIPTION
|
|
|
|
|
2014-07-03 10:42:40 +08:00
|
|
|
SSL_get_version() returns the name of the protocol used for the
|
2001-02-24 05:05:56 +08:00
|
|
|
connection B<ssl>.
|
|
|
|
|
|
|
|
=head1 RETURN VALUES
|
|
|
|
|
2014-07-03 10:42:40 +08:00
|
|
|
The following strings can be returned:
|
2001-02-24 05:05:56 +08:00
|
|
|
|
|
|
|
=over 4
|
|
|
|
|
|
|
|
=item SSLv3
|
|
|
|
|
|
|
|
The connection uses the SSLv3 protocol.
|
|
|
|
|
|
|
|
=item TLSv1
|
|
|
|
|
2014-07-03 10:42:40 +08:00
|
|
|
The connection uses the TLSv1.0 protocol.
|
|
|
|
|
|
|
|
=item TLSv1.1
|
|
|
|
|
|
|
|
The connection uses the TLSv1.1 protocol.
|
|
|
|
|
|
|
|
=item TLSv1.2
|
|
|
|
|
|
|
|
The connection uses the TLSv1.2 protocol.
|
2001-02-24 05:05:56 +08:00
|
|
|
|
|
|
|
=item unknown
|
|
|
|
|
|
|
|
This indicates that no version has been set (no connection established).
|
|
|
|
|
|
|
|
=back
|
|
|
|
|
|
|
|
=head1 SEE ALSO
|
|
|
|
|
2015-08-18 03:21:33 +08:00
|
|
|
L<ssl(3)>
|
2001-02-24 05:05:56 +08:00
|
|
|
|
2016-05-18 23:44:05 +08:00
|
|
|
=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
|