Commit ddba302a authored by Matt Caswell's avatar Matt Caswell
Browse files

Update version docs



Make it clear that you should not attempt to get the version before the
first handshake is complete.

Fixes #2893

Reviewed-by: default avatarRichard Levitte <levitte@openssl.org>
(Merged from https://github.com/openssl/openssl/pull/6013)
parent ff25dd1a
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+6 −7
Original line number Diff line number Diff line
@@ -20,15 +20,14 @@ protocol information of a connection
=head1 DESCRIPTION

SSL_client_version() returns the protocol version used by the client when
initiating the connection.

SSL_get_version() returns the name of the protocol used for the
connection.
initiating the connection. SSL_get_version() returns the name of the protocol
used for the connection. SSL_version() returns the protocol version used for the
connection. They should only be called after the initial handshake has been
completed. Prior to that the results returned from these functions may be
unreliable.

SSL_is_dtls() returns one if the connection is using DTLS, zero if not.

SSL_version() returns the protocol version used for the connection.

=head1 RETURN VALUES

SSL_get_version() returns one of the following strings:
@@ -57,7 +56,7 @@ The connection uses the TLSv1.3 protocol.

=item unknown

This indicates that no version has been set (no connection established).
This indicates an unknown protocol version.

=back