Update files for OpenSSL-1.0.0f import.

[dragonfly.git] / secure / lib / libssl / man / SSL_get_ex_new_index.3

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.\" ========================================================================
.\"
.IX Title "SSL_get_ex_new_index 3"
.TH SSL_get_ex_new_index 3 "2012-01-04" "1.0.0f" "OpenSSL"
.\" For nroff, turn off justification.  Always turn off hyphenation; it makes
.\" way too many mistakes in technical documents.
.if n .ad l
.nh
.SH "NAME"
SSL_get_ex_new_index, SSL_set_ex_data, SSL_get_ex_data \- internal application specific data functions
.SH "SYNOPSIS"
.IX Header "SYNOPSIS"
.Vb 1
\& #include <openssl/ssl.h>
\&
\& int SSL_get_ex_new_index(long argl, void *argp,
\&                CRYPTO_EX_new *new_func,
\&                CRYPTO_EX_dup *dup_func,
\&                CRYPTO_EX_free *free_func);
\&
\& int SSL_set_ex_data(SSL *ssl, int idx, void *arg);
\&
\& void *SSL_get_ex_data(const SSL *ssl, int idx);
\&
\& typedef int new_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
\&                int idx, long argl, void *argp);
\& typedef void free_func(void *parent, void *ptr, CRYPTO_EX_DATA *ad,
\&                int idx, long argl, void *argp);
\& typedef int dup_func(CRYPTO_EX_DATA *to, CRYPTO_EX_DATA *from, void *from_d,
\&                int idx, long argl, void *argp);
.Ve
.SH "DESCRIPTION"
.IX Header "DESCRIPTION"
Several OpenSSL structures can have application specific data attached to them.
These functions are used internally by OpenSSL to manipulate application
specific data attached to a specific structure.
.PP
\&\fISSL_get_ex_new_index()\fR is used to register a new index for application
specific data.
.PP
\&\fISSL_set_ex_data()\fR is used to store application data at \fBarg\fR for \fBidx\fR into
the \fBssl\fR object.
.PP
\&\fISSL_get_ex_data()\fR is used to retrieve the information for \fBidx\fR from
\&\fBssl\fR.
.PP
A detailed description for the \fB*\f(BI_get_ex_new_index()\fB\fR functionality
can be found in \fIRSA_get_ex_new_index\fR\|(3).
The \fB*\f(BI_get_ex_data()\fB\fR and \fB*\f(BI_set_ex_data()\fB\fR functionality is described in
\&\fICRYPTO_set_ex_data\fR\|(3).
.SH "EXAMPLES"
.IX Header "EXAMPLES"
An example on how to use the functionality is included in the example
\&\fIverify_callback()\fR in \fISSL_CTX_set_verify\fR\|(3).
.SH "SEE ALSO"
.IX Header "SEE ALSO"
\&\fIssl\fR\|(3),
\&\fIRSA_get_ex_new_index\fR\|(3),
\&\fICRYPTO_set_ex_data\fR\|(3),
\&\fISSL_CTX_set_verify\fR\|(3)