mirror of
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82 lines
2.5 KiB
Plaintext
82 lines
2.5 KiB
Plaintext
=pod
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=head1 NAME
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SSL_CTX_get0_param, SSL_get0_param, SSL_CTX_set1_param, SSL_set1_param,
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SSL_CTX_set_purpose, SSL_CTX_set_trust, SSL_set_purpose, SSL_set_trust -
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get and set verification parameters
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx);
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X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl);
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int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm);
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int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm);
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int SSL_CTX_set_purpose(SSL_CTX *ctx, int purpose);
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int SSL_set_purpose(SSL *ssl, int purpose);
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int SSL_CTX_set_trust(SSL_CTX *ctx, int trust);
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int SSL_set_trust(SSL *ssl, int trust);
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=head1 DESCRIPTION
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SSL_CTX_get0_param() and SSL_get0_param() retrieve an internal pointer to
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the verification parameters for B<ctx> or B<ssl> respectively. The returned
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pointer must not be freed by the calling application.
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SSL_CTX_set1_param() and SSL_set1_param() set the verification parameters
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to B<vpm> for B<ctx> or B<ssl>.
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The functions SSL_CTX_set_purpose() and SSL_set_purpose() are shorthands which
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set the purpose parameter on the verification parameters object. These functions
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are equivalent to calling X509_VERIFY_PARAM_set_purpose() directly.
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The functions SSL_CTX_set_trust() and SSL_set_trust() are similarly shorthands
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which set the trust parameter on the verification parameters object. These
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functions are equivalent to calling X509_VERIFY_PARAM_set_trust() directly.
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=head1 NOTES
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Typically parameters are retrieved from an B<SSL_CTX> or B<SSL> structure
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using SSL_CTX_get0_param() or SSL_get0_param() and an application modifies
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them to suit its needs: for example to add a hostname check.
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=head1 RETURN VALUES
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SSL_CTX_get0_param() and SSL_get0_param() return a pointer to an
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B<X509_VERIFY_PARAM> structure.
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SSL_CTX_set1_param(), SSL_set1_param(), SSL_CTX_set_purpose(),
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SSL_set_purpose(), SSL_CTX_set_trust() and SSL_set_trust() return 1 for success
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and 0 for failure.
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=head1 EXAMPLES
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Check hostname matches "www.foo.com" in peer certificate:
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X509_VERIFY_PARAM *vpm = SSL_get0_param(ssl);
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X509_VERIFY_PARAM_set1_host(vpm, "www.foo.com", 0);
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=head1 SEE ALSO
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L<ssl(7)>,
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L<X509_VERIFY_PARAM_set_flags(3)>
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=head1 HISTORY
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These functions were added in OpenSSL 1.0.2.
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=head1 COPYRIGHT
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Copyright 2015-2022 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the Apache License 2.0 (the "License"). You may not use
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this file except in compliance with the License. You can obtain a copy
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in the file LICENSE in the source distribution or at
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L<https://www.openssl.org/source/license.html>.
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=cut
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