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.\" $OpenBSD: SSL_set_SSL_CTX.3,v 1.3 2020/09/22 13:27:08 schwarze Exp $
.\"
.\" Copyright (c) 2020 Ingo Schwarze <schwarze@openbsd.org>
.\"
.\" Permission to use, copy, modify, and distribute this software for any
.\" purpose with or without fee is hereby granted, provided that the above
.\" copyright notice and this permission notice appear in all copies.
.\"
.\" THE SOFTWARE IS PROVIDED "AS IS" AND THE AUTHOR DISCLAIMS ALL WARRANTIES
.\" WITH REGARD TO THIS SOFTWARE INCLUDING ALL IMPLIED WARRANTIES OF
.\" MERCHANTABILITY AND FITNESS. IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR
.\" ANY SPECIAL, DIRECT, INDIRECT, OR CONSEQUENTIAL DAMAGES OR ANY DAMAGES
.\" WHATSOEVER RESULTING FROM LOSS OF USE, DATA OR PROFITS, WHETHER IN AN
.\" ACTION OF CONTRACT, NEGLIGENCE OR OTHER TORTIOUS ACTION, ARISING OUT OF
.\" OR IN CONNECTION WITH THE USE OR PERFORMANCE OF THIS SOFTWARE.
.\"
.Dd $Mdocdate: September 22 2020 $
.Dt SSL_SET_SSL_CTX 3
.Os
.Sh NAME
.Nm SSL_set_SSL_CTX
.Nd modify an SSL connection object to use another context
.Sh SYNOPSIS
.In openssl/ssl.h
.Ft SSL_CTX *
.Fo SSL_set_SSL_CTX
.Fa "SSL *ssl"
.Fa "SSL_CTX* ctx"
.Fc
.Sh DESCRIPTION
.Fn SSL_set_SSL_CTX
causes
.Fa ssl
to use the context
.Fa ctx .
.Pp
If
.Fa ctx
is
.Dv NULL ,
.Fa ssl
reverts to using the context that it was initially created from with
.Xr SSL_new 3 .
.Pp
If
.Fa ssl
already uses
.Fa ctx ,
no action occurs.
.Sh RETURN VALUES
.Fn SSL_set_SSL_CTX
returns an internal pointer to the context that
.Fa ssl
is using as a result of the call, or
.Dv NULL
if memory allocation fails.
.Sh SEE ALSO
.Xr ssl 3 ,
.Xr SSL_clear 3 ,
.Xr SSL_CTX_new 3 ,
.Xr SSL_get_SSL_CTX 3 ,
.Xr SSL_new 3
.Sh HISTORY
.Fn SSL_set_SSL_CTX
first appeared in OpenSSL 0.9.8f and has been available since
.Ox 4.5 .
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