SSL_get_ex_data_X509_STORE_CSOSp
NAME    [Toc]    [Back]
       SSL_get_ex_data_X509_STORE_CTX_idx - get ex_data index to
       access SSL structure from X509_STORE_CTX
LIBRARY    [Toc]    [Back]
       libcrypto, -lcrypto
SYNOPSIS    [Toc]    [Back]
        #include <openssl/ssl.h>

        int SSL_get_ex_data_X509_STORE_CTX_idx(void);

DESCRIPTION    [Toc]    [Back]
       SSL_get_ex_data_X509_STORE_CTX_idx() returns the index
       number under which the pointer to the SSL object is stored
       into the X509_STORE_CTX object.
NOTES    [Toc]    [Back]
       Whenever a X509_STORE_CTX object is created for the verification
 of the peers certificate during a handshake, a
       pointer to the SSL object is stored into the
       X509_STORE_CTX object to identify the connection affected.
       To retrieve this pointer the X509_STORE_CTX_get_ex_data()
       function can be used with the correct index. This index is
       globally the same for all X509_STORE_CTX objects and can
       be retrieved using SSL_get_ex_data_X509_STORE_CTX_idx().
       The index value is set when
       SSL_get_ex_data_X509_STORE_CTX_idx() is first called
       either by the application program directly or indirectly
       during other SSL setup functions or during the handshake.

       The value depends on other index values defined for
       X509_STORE_CTX objects before the SSL index is created.
RETURN VALUES    [Toc]    [Back]
       >=0 The index value to access the pointer.

       <0  An error occurred, check the error stack for a
           detailed error message.
EXAMPLES    [Toc]    [Back]
       The index returned from
       SSL_get_ex_data_X509_STORE_CTX_idx() allows to access the
       SSL object for the connection to be accessed during the
       verify_callback() when checking the peers certificate.
       Please check the example in SSL_CTX_set_verify(3),
SEE ALSO    [Toc]    [Back]

       ssl(3), SSL_CTX_set_verify(3), CRYPTO_set_ex_data(3)



2001-04-12                  SSL_get_ex_data_X509_STORE_CTX_idx(3)
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