SSL_CTX_GET0_PARAM(3SSL) OpenSSL SSL_CTX_GET0_PARAM(3SSL)
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.
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.
EXAMPLES
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);
SEE ALSO
ssl(7), X509_VERIFY_PARAM_set_flags(3)
HISTORY
These functions were added in OpenSSL 1.0.2.
COPYRIGHT
Copyright 2015-2020 The OpenSSL Project Authors. All Rights Reserved.
Licensed under the Apache License 2.0 (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>.
3.0.2 2024-08-20 SSL_CTX_GET0_PARAM(3SSL)
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