1.\" $OpenBSD: SSL_SESSION_get0_peer.3,v 1.2 2018/03/23 05:50:30 schwarze Exp $ 2.\" OpenSSL SSL_SESSION_get0_peer.pod b31db505 Mar 24 16:01:50 2017 +0000 3.\" 4.\" This file was written by Matt Caswell <matt@openssl.org> 5.\" Copyright (c) 2017 The OpenSSL Project. All rights reserved. 6.\" 7.\" Redistribution and use in source and binary forms, with or without 8.\" modification, are permitted provided that the following conditions 9.\" are met: 10.\" 11.\" 1. Redistributions of source code must retain the above copyright 12.\" notice, this list of conditions and the following disclaimer. 13.\" 14.\" 2. Redistributions in binary form must reproduce the above copyright 15.\" notice, this list of conditions and the following disclaimer in 16.\" the documentation and/or other materials provided with the 17.\" distribution. 18.\" 19.\" 3. All advertising materials mentioning features or use of this 20.\" software must display the following acknowledgment: 21.\" "This product includes software developed by the OpenSSL Project 22.\" for use in the OpenSSL Toolkit. (http://www.openssl.org/)" 23.\" 24.\" 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to 25.\" endorse or promote products derived from this software without 26.\" prior written permission. For written permission, please contact 27.\" openssl-core@openssl.org. 28.\" 29.\" 5. Products derived from this software may not be called "OpenSSL" 30.\" nor may "OpenSSL" appear in their names without prior written 31.\" permission of the OpenSSL Project. 32.\" 33.\" 6. Redistributions of any form whatsoever must retain the following 34.\" acknowledgment: 35.\" "This product includes software developed by the OpenSSL Project 36.\" for use in the OpenSSL Toolkit (http://www.openssl.org/)" 37.\" 38.\" THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY 39.\" EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE 40.\" IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR 41.\" PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR 42.\" ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, 43.\" SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT 44.\" NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; 45.\" LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION) 46.\" HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, 47.\" STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) 48.\" ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED 49.\" OF THE POSSIBILITY OF SUCH DAMAGE. 50.\" 51.Dd $Mdocdate: March 23 2018 $ 52.Dt SSL_SESSION_GET0_PEER 3 53.Os 54.Sh NAME 55.Nm SSL_SESSION_get0_peer 56.Nd get details about peer's certificate for a session 57.Sh SYNOPSIS 58.In openssl/ssl.h 59.Ft X509 * 60.Fo SSL_SESSION_get0_peer 61.Fa "SSL_SESSION *s" 62.Fc 63.Sh DESCRIPTION 64.Fn SSL_SESSION_get0_peer 65returns a pointer to the peer certificate associated with the session 66.Fa s 67or 68.Dv NULL 69if no peer certificate is available. 70The caller should not free the returned value, unless 71.Xr X509_up_ref 3 72has also been called. 73.Sh SEE ALSO 74.Xr ssl 3 , 75.Xr SSL_get_session 3 , 76.Xr SSL_SESSION_new 3 77.Sh HISTORY 78.Fn SSL_SESSION_get0_peer 79first appeared in OpenSSL 1.0.1 and has been available since 80.Ox 5.3 . 81