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SSL_CTX_GET0_PARAM(3)		    OpenSSL		 SSL_CTX_GET0_PARAM(3)

NAME
       SSL_CTX_get0_param, SSL_get0_param, SSL_CTX_set1_param, SSL_set1_param
       - get and set verification parameters

SYNOPSIS
	#include <openssl/ssl.h>

	X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx)
	X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl)
	int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm)
	int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)

DESCRIPTION
       SSL_CTX_get0_param() and	SSL_get0_param() retrieve an internal pointer
       to the verification parameters for ctx or ssl respectively. The
       returned	pointer	must not be freed by the calling application.

       SSL_CTX_set1_param() and	SSL_set1_param() set the verification
       parameters to vpm for ctx or ssl.

NOTES
       Typically parameters are	retrieved from an SSL_CTX or SSL structure
       using SSL_CTX_get0_param() or SSL_get0_param() and an application
       modifies	them to	suit its needs:	for example to add a hostname check.

EXAMPLE
       Check hostname matches "www.foo.com" in peer certificate:

	X509_VERIFY_PARAM *vpm = SSL_get0_param(ssl);
	X509_VERIFY_PARAM_set1_host(vpm, "www.foo.com",	0);

RETURN VALUES
       SSL_CTX_get0_param() and	SSL_get0_param() return	a pointer to an
       X509_VERIFY_PARAM structure.

       SSL_CTX_set1_param() and	SSL_set1_param() return	1 for success and 0
       for failure.

SEE ALSO
       X509_VERIFY_PARAM_set_flags(3)

HISTORY
       These functions were first added	to OpenSSL 1.0.2.

COPYRIGHT
       Copyright 2015-2016 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
       <https://www.openssl.org/source/license.html>.

1.1.1a				  2018-11-20		 SSL_CTX_GET0_PARAM(3)

NAME | SYNOPSIS | DESCRIPTION | NOTES | EXAMPLE | RETURN VALUES | SEE ALSO | HISTORY | COPYRIGHT

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