SSL_get_ex_data_X509_STORE_CTX_idx 3 2001-04-11 0.9.9-dev OpenSSL

NAME

SSL_get_ex_data_X509_STORE_CTX_idx - get ex_data index to access SSL structure from X509_STORE_CTX

LIBRARY

libcrypto, -lcrypto

SYNOPSIS


 #include 


 int SSL_get_ex_data_X509_STORE_CTX_idx(void);

DESCRIPTION

_S_S_L___g_e_t___e_x___d_a_t_a___X_5_0_9___S_T_O_R_E___C_T_X___i_d_x_(_) returns the index number under which the pointer to the SSL object is stored into the X509_STORE_CTX object.

NOTES

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 _X_5_0_9___S_T_O_R_E___C_T_X___g_e_t___e_x___d_a_t_a_(_) 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 _S_S_L___g_e_t___e_x___d_a_t_a___X_5_0_9___S_T_O_R_E___C_T_X___i_d_x_(_). The index value is set when _S_S_L___g_e_t___e_x___d_a_t_a___X_5_0_9___S_T_O_R_E___C_T_X___i_d_x_(_) 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

>=0 The index value to access the pointer.
<0 An error occurred, check the error stack for a detailed error message.

EXAMPLES

The index returned from _S_S_L___g_e_t___e_x___d_a_t_a___X_5_0_9___S_T_O_R_E___C_T_X___i_d_x_(_) allows to access the SSL object for the connection to be accessed during the _v_e_r_i_f_y___c_a_l_l_b_a_c_k_(_) when checking the peers certificate. Please check the example in _S_S_L___C_T_X___s_e_t___v_e_r_i_f_y(3),

SEE ALSO

_s_s_l(3), _S_S_L___C_T_X___s_e_t___v_e_r_i_f_y(3), _C_R_Y_P_T_O___s_e_t___e_x___d_a_t_a(3)