.\" $OpenBSD: SSL_CTX_get0_certificate.3,v 1.3 2019/06/12 09:36:30 schwarze Exp $
.\"
.\" Copyright (c) 2018 Ingo Schwarze <schwarze@openbsd.org>
.\"
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.\" copyright notice and this permission notice appear in all copies.
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.Dd $Mdocdate: June 12 2019 $
.Dt SSL_CTX_GET0_CERTIFICATE 3
.Os
.Sh NAME
.Nm SSL_CTX_get0_certificate
.Nd get the active certificate from an SSL context
.Sh SYNOPSIS
.Ft X509 *
.Fo SSL_CTX_get0_certificate
.Fa "const SSL_CTX *ctx"
.Fc
.Sh DESCRIPTION
The
.Fn SSL_CTX_get0_certificate
function returns an internal pointer
to the ASN.1 certificate currently active in
.Fa ctx
or
.Dv NULL
if none was installed with
.Xr SSL_CTX_use_certificate 3
or similar functions.
.Pp
The returned pointer must not be freed by the caller.
.Sh SEE ALSO
.Xr ssl 3 ,
.Xr SSL_CTX_new 3 ,
.Xr SSL_CTX_use_certificate 3 ,
.Xr X509_get_pubkey 3 ,
.Xr X509_get_subject_name 3 ,
.Xr X509_new 3
.Sh HISTORY
.Fn SSL_CTX_get0_certificate
first appeared in OpenSSL 1.0.2 and have been available since
.Ox 6.3 .