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/* crypto/ui/ui.h -*- mode:C; c-file-style: "eay" -*- */
/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
* project 2001.
*/
/* ====================================================================
* Copyright (c) 2001 The OpenSSL Project. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
*
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
*
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in
* the documentation and/or other materials provided with the
* distribution.
*
* 3. All advertising materials mentioning features or use of this
* software must display the following acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
*
* 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
* endorse or promote products derived from this software without
* prior written permission. For written permission, please contact
* openssl-core@openssl.org.
*
* 5. Products derived from this software may not be called "OpenSSL"
* nor may "OpenSSL" appear in their names without prior written
* permission of the OpenSSL Project.
*
* 6. Redistributions of any form whatsoever must retain the following
* acknowledgment:
* "This product includes software developed by the OpenSSL Project
* for use in the OpenSSL Toolkit (http://www.openssl.org/)"
*
* THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
* EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
* IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
* PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
* ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
* SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
* LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
* HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
* STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
* ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
* OF THE POSSIBILITY OF SUCH DAMAGE.
* ====================================================================
*
* This product includes cryptographic software written by Eric Young
* (eay@cryptsoft.com). This product includes software written by Tim
* Hudson (tjh@cryptsoft.com).
*
*/
#ifndef HEADER_UI_LOCL_H
#define HEADER_UI_LOCL_H
#include <openssl/ui.h>
#include <openssl/crypto.h>
#ifdef _
#undef _
#endif
struct ui_method_st
{
char *name;
/* All the functions return 1 or non-NULL for success and 0 or NULL
for failure */
/* Open whatever channel for this, be it the console, an X window
or whatever.
This function should use the ex_data structure to save
intermediate data. */
int (*ui_open_session)(UI *ui);
int (*ui_write_string)(UI *ui, UI_STRING *uis);
/* Flush the output. If a GUI dialog box is used, this function can
be used to actually display it. */
int (*ui_flush)(UI *ui);
int (*ui_read_string)(UI *ui, UI_STRING *uis);
int (*ui_close_session)(UI *ui);
/* Construct a prompt in a user-defined manner. object_desc is a
textual short description of the object, for example "pass phrase",
and object_name is the name of the object (might be a card name or
a file name.
The returned string shall always be allocated on the heap with
OPENSSL_malloc(), and need to be free'd with OPENSSL_free(). */
char *(*ui_construct_prompt)(UI *ui, const char *object_desc,
const char *object_name);
};
struct ui_string_st
{
enum UI_string_types type; /* Input */
const char *out_string; /* Input */
int input_flags; /* Flags from the user */
/* The following parameters are completely irrelevant for UIT_INFO,
and can therefore be set to 0 or NULL */
char *result_buf; /* Input and Output: If not NULL, user-defined
with size in result_maxsize. Otherwise, it
may be allocated by the UI routine, meaning
result_minsize is going to be overwritten.*/
union
{
struct
{
int result_minsize; /* Input: minimum required
size of the result.
*/
int result_maxsize; /* Input: maximum permitted
size of the result */
const char *test_buf; /* Input: test string to verify
against */
} string_data;
struct
{
const char *action_desc; /* Input */
const char *ok_chars; /* Input */
const char *cancel_chars; /* Input */
} boolean_data;
} _;
#define OUT_STRING_FREEABLE 0x01
int flags; /* flags for internal use */
};
struct ui_st
{
const UI_METHOD *meth;
STACK_OF(UI_STRING) *strings; /* We might want to prompt for more
than one thing at a time, and
with different echoing status. */
void *user_data;
CRYPTO_EX_DATA ex_data;
#define UI_FLAG_REDOABLE 0x0001
#define UI_FLAG_PRINT_ERRORS 0x0100
int flags;
};
#endif