189 lines
5.8 KiB
Groff
189 lines
5.8 KiB
Groff
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.\" ========================================================================
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.\"
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.IX Title "SSL_get_ex_new_index 3"
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.TH SSL_get_ex_new_index 3 "2018-08-14" "1.0.2p" "OpenSSL"
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.\" For nroff, turn off justification. Always turn off hyphenation; it makes
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.\" way too many mistakes in technical documents.
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.if n .ad l
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.nh
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.SH "NAME"
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SSL_get_ex_new_index, SSL_set_ex_data, SSL_get_ex_data \- internal application specific data functions
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.SH "SYNOPSIS"
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.IX Header "SYNOPSIS"
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.Vb 1
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\& #include <openssl/ssl.h>
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\&
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\& int SSL_get_ex_new_index(long argl, void *argp,
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\& CRYPTO_EX_new *new_func,
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\& CRYPTO_EX_dup *dup_func,
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\& CRYPTO_EX_free *free_func);
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\&
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\& int SSL_set_ex_data(SSL *ssl, int idx, void *arg);
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\&
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\& void *SSL_get_ex_data(const SSL *ssl, int idx);
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\&
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\& typedef int new_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
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\& int idx, long argl, void *argp);
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\& typedef void free_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
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\& int idx, long argl, void *argp);
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\& typedef int dup_func(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from, void *from_d,
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\& int idx, long argl, void *argp);
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.Ve
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.SH "DESCRIPTION"
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.IX Header "DESCRIPTION"
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Several OpenSSL structures can have application specific data attached to them.
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These functions are used internally by OpenSSL to manipulate application
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specific data attached to a specific structure.
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.PP
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\&\fISSL_get_ex_new_index()\fR is used to register a new index for application
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specific data.
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.PP
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\&\fISSL_set_ex_data()\fR is used to store application data at \fBarg\fR for \fBidx\fR into
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the \fBssl\fR object.
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.PP
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\&\fISSL_get_ex_data()\fR is used to retrieve the information for \fBidx\fR from
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\&\fBssl\fR.
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.PP
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A detailed description for the \fB*\f(BI_get_ex_new_index()\fB\fR functionality
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can be found in \fIRSA_get_ex_new_index\fR\|(3).
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The \fB*\f(BI_get_ex_data()\fB\fR and \fB*\f(BI_set_ex_data()\fB\fR functionality is described in
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\&\fICRYPTO_set_ex_data\fR\|(3).
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.SH "EXAMPLES"
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.IX Header "EXAMPLES"
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An example on how to use the functionality is included in the example
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\&\fIverify_callback()\fR in \fISSL_CTX_set_verify\fR\|(3).
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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\&\fIssl\fR\|(3),
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\&\fIRSA_get_ex_new_index\fR\|(3),
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\&\fICRYPTO_set_ex_data\fR\|(3),
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\&\fISSL_CTX_set_verify\fR\|(3)
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