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Manual Reference Pages  - SSL_CTX_get_ex_new_index (3)

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SSL_CTX_get_ex_new_index, SSL_CTX_set_ex_data, SSL_CTX_get_ex_data - internal application specific data functions

CONTENTS

 #include <openssl/ssl.h>

 int SSL_CTX_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_CTX_set_ex_data(SSL_CTX *ctx, int idx, void *arg);

 void *SSL_CTX_get_ex_data(SSL_CTX *ctx, 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);

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

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

SSL_CTX_get_ex_data() is used to retrieve the information for idx from ctx.

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).

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

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