53 lines
1.5 KiB
Plaintext
53 lines
1.5 KiB
Plaintext
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=pod
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=head1 NAME
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SSL_CTX_get_ex_data, SSL_CTX_set_ex_data,
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SSL_get_ex_data, SSL_set_ex_data
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- Store and retrieve extra data from the SSL_CTX, SSL or SSL_SESSION
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=head1 SYNOPSIS
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#include <openssl/ssl.h>
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void *SSL_CTX_get_ex_data(const SSL_CTX *s, int idx);
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int SSL_CTX_set_ex_data(SSL_CTX *s, int idx, void *arg);
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void *SSL_get_ex_data(const SSL *s, int idx);
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int SSL_set_ex_data(SSL *s, int idx, void *arg);
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=head1 DESCRIPTION
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SSL*_set_ex_data() functions can be used to store arbitrary user data into the
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B<SSL_CTX>, or B<SSL> object. The user must supply a unique index
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which they can subsequently use to retrieve the data using SSL*_get_ex_data().
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For more detailed information see L<CRYPTO_get_ex_data(3)> and
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L<CRYPTO_set_ex_data(3)> which implement these functions and
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L<CRYPTO_get_ex_new_index(3)> for generating a unique index.
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=head1 RETURN VALUES
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The SSL*_set_ex_data() functions return 1 if the item is successfully stored
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and 0 if it is not.
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The SSL*_get_ex_data() functions return the ex_data pointer if successful,
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otherwise NULL.
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=head1 SEE ALSO
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L<CRYPTO_get_ex_data(3)>, L<CRYPTO_set_ex_data(3)>,
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L<CRYPTO_get_ex_new_index(3)>
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=head1 COPYRIGHT
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Copyright 2017 The OpenSSL Project Authors. All Rights Reserved.
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Licensed under the OpenSSL license (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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