| 1 | =pod
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| 2 |
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| 3 | =head1 NAME
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| 4 |
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| 5 | SSL_CTX_get0_param, SSL_get0_param, SSL_CTX_set1_param, SSL_set1_param -
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| 6 | get and set verification parameters
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| 7 |
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| 8 | =head1 SYNOPSIS
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| 9 |
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| 10 | #include <openssl/ssl.h>
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| 11 |
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| 12 | X509_VERIFY_PARAM *SSL_CTX_get0_param(SSL_CTX *ctx)
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| 13 | X509_VERIFY_PARAM *SSL_get0_param(SSL *ssl)
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| 14 | int SSL_CTX_set1_param(SSL_CTX *ctx, X509_VERIFY_PARAM *vpm)
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| 15 | int SSL_set1_param(SSL *ssl, X509_VERIFY_PARAM *vpm)
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| 16 |
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| 17 | =head1 DESCRIPTION
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| 18 |
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| 19 | SSL_CTX_get0_param() and SSL_get0_param() retrieve an internal pointer to
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| 20 | the verification parameters for B<ctx> or B<ssl> respectively. The returned
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| 21 | pointer must not be freed by the calling application.
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| 22 |
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| 23 | SSL_CTX_set1_param() and SSL_set1_param() set the verification parameters
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| 24 | to B<vpm> for B<ctx> or B<ssl>.
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| 25 |
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| 26 | =head1 NOTES
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| 27 |
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| 28 | Typically parameters are retrieved from an B<SSL_CTX> or B<SSL> structure
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| 29 | using SSL_CTX_get0_param() or SSL_get0_param() and an application modifies
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| 30 | them to suit its needs: for example to add a hostname check.
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| 31 |
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| 32 | =head1 RETURN VALUES
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| 33 |
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| 34 | SSL_CTX_get0_param() and SSL_get0_param() return a pointer to an
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| 35 | B<X509_VERIFY_PARAM> structure.
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| 36 |
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| 37 | SSL_CTX_set1_param() and SSL_set1_param() return 1 for success and 0
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| 38 | for failure.
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| 39 |
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| 40 | =head1 EXAMPLES
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| 41 |
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| 42 | Check hostname matches "www.foo.com" in peer certificate:
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| 43 |
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| 44 | X509_VERIFY_PARAM *vpm = SSL_get0_param(ssl);
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| 45 | X509_VERIFY_PARAM_set1_host(vpm, "www.foo.com", 0);
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| 46 |
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| 47 | =head1 SEE ALSO
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| 48 |
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| 49 | L<X509_VERIFY_PARAM_set_flags(3)>
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| 50 |
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| 51 | =head1 HISTORY
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| 52 |
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| 53 | These functions were added in OpenSSL 1.0.2.
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| 54 |
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| 55 | =head1 COPYRIGHT
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| 56 |
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| 57 | Copyright 2015-2019 The OpenSSL Project Authors. All Rights Reserved.
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| 58 |
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| 59 | Licensed under the OpenSSL license (the "License"). You may not use
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| 60 | this file except in compliance with the License. You can obtain a copy
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| 61 | in the file LICENSE in the source distribution or at
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| 62 | L<https://www.openssl.org/source/license.html>.
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| 63 |
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| 64 | =cut
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