SSL_SESSION_get_ex_new_index(3) - NetBSD Manual Pages

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SSL_SESSION_get_ex_new_index(3)     OpenSSL    SSL_SESSION_get_ex_new_index(3)




NAME

       SSL_SESSION_get_ex_new_index, SSL_SESSION_set_ex_data,
       SSL_SESSION_get_ex_data - internal application specific data functions


LIBRARY

       libcrypto, -lcrypto


SYNOPSIS

        #include <openssl/ssl.h>

        int SSL_SESSION_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_SESSION_set_ex_data(SSL_SESSION *session, int idx, void *arg);

        void *SSL_SESSION_get_ex_data(const SSL_SESSION *session, 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);


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.

       SSL_SESSION_get_ex_new_index() is used to register a new index for
       application specific data.

       SSL_SESSION_set_ex_data() is used to store application data at arg for
       idx into the session object.

       SSL_SESSION_get_ex_data() is used to retrieve the information for idx
       from session.

       A detailed description for the *_get_ex_new_index() functionality can
       be found in RSA_get_ex_new_index(3).  The *_get_ex_data() and
       *_set_ex_data() functionality is described in CRYPTO_set_ex_data(3).


WARNINGS

       The application data is only maintained for sessions held in memory.
       The application data is not included when dumping the session with
       i2d_SSL_SESSION() (and all functions indirectly calling the dump
       functions like PEM_write_SSL_SESSION() and PEM_write_bio_SSL_SESSION())
       and can therefore not be restored.


SEE ALSO

       ssl(3), RSA_get_ex_new_index(3), CRYPTO_set_ex_data(3)



1.0.1p                            2009-07-19   SSL_SESSION_get_ex_new_index(3)