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CentOS 7.0 - man page for ssl_session_get_ex_new_index (centos section 3)

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
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) 1.0.1e 2013-02-11 SSL_SESSION_get_ex_new_index(3)


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