205 lines
6.1 KiB
Groff
205 lines
6.1 KiB
Groff
.\" $NetBSD: SSL_SESSION_get_ex_new_index.3,v 1.1 2001/04/12 10:45:41 itojun Exp $
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.\" ======================================================================
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.\"
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.IX Title "SSL_SESSION_get_ex_new_index 3"
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.TH SSL_SESSION_get_ex_new_index 3 "0.9.6a" "2001-04-12" "OpenSSL"
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.UC
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.SH "NAME"
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SSL_SESSION_get_ex_new_index, SSL_SESSION_set_ex_data, SSL_SESSION_get_ex_data \- internal application specific data functions
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.SH "LIBRARY"
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libcrypto, -lcrypto
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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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.Ve
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.Vb 4
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\& int SSL_SESSION_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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.Ve
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.Vb 1
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\& int SSL_SESSION_set_ex_data(SSL_SESSION *session, int idx, void *arg);
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.Ve
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.Vb 1
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\& void *SSL_SESSION_get_ex_data(SSL_SESSION *session, int idx);
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.Ve
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.Vb 6
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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_SESSION_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_SESSION_set_ex_data()\fR is used to store application data at \fBarg\fR for \fBidx\fR
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into the \fBsession\fR object.
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.PP
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\&\fISSL_SESSION_get_ex_data()\fR is used to retrieve the information for \fBidx\fR from
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\&\fBsession\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 RSA_get_ex_new_index.pod(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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CRYPTO_set_ex_data(3).
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.SH "WARNINGS"
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.IX Header "WARNINGS"
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The application data is only maintained for sessions held in memory. The
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application data is not included when dumping the session with
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\&\fIi2d_SSL_SESSION()\fR (and all functions indirectly calling the dump functions
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like \fIPEM_write_SSL_SESSION()\fR and \fIPEM_write_bio_SSL_SESSION()\fR) and can
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therefore not be restored.
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.SH "SEE ALSO"
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.IX Header "SEE ALSO"
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ssl(3),
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RSA_get_ex_new_index(3),
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CRYPTO_set_ex_data(3)
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