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authorcvs2svn <admin@example.com>2005-03-12 00:02:08 +0000
committercvs2svn <admin@example.com>2005-03-12 00:02:08 +0000
commit259e36b1c57849c281afb8526bab11e7ba2592e2 (patch)
treed0e478b7669f593934b32e564b5611b40796a4b1 /src/lib/libcrypto/ui/ui_locl.h
parent9a03506f8308b6023a12f108a2072feb958607a6 (diff)
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1/* crypto/ui/ui.h -*- mode:C; c-file-style: "eay" -*- */
2/* Written by Richard Levitte (richard@levitte.org) for the OpenSSL
3 * project 2001.
4 */
5/* ====================================================================
6 * Copyright (c) 2001 The OpenSSL Project. All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 * notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 * notice, this list of conditions and the following disclaimer in
17 * the documentation and/or other materials provided with the
18 * distribution.
19 *
20 * 3. All advertising materials mentioning features or use of this
21 * software must display the following acknowledgment:
22 * "This product includes software developed by the OpenSSL Project
23 * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
24 *
25 * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
26 * endorse or promote products derived from this software without
27 * prior written permission. For written permission, please contact
28 * openssl-core@openssl.org.
29 *
30 * 5. Products derived from this software may not be called "OpenSSL"
31 * nor may "OpenSSL" appear in their names without prior written
32 * permission of the OpenSSL Project.
33 *
34 * 6. Redistributions of any form whatsoever must retain the following
35 * acknowledgment:
36 * "This product includes software developed by the OpenSSL Project
37 * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
38 *
39 * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
40 * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
41 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
42 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
43 * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
44 * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
45 * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
46 * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
47 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
48 * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
49 * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
50 * OF THE POSSIBILITY OF SUCH DAMAGE.
51 * ====================================================================
52 *
53 * This product includes cryptographic software written by Eric Young
54 * (eay@cryptsoft.com). This product includes software written by Tim
55 * Hudson (tjh@cryptsoft.com).
56 *
57 */
58
59#ifndef HEADER_UI_LOCL_H
60#define HEADER_UI_LOCL_H
61
62#include <openssl/ui.h>
63
64struct ui_method_st
65 {
66 char *name;
67
68 /* All the functions return 1 or non-NULL for success and 0 or NULL
69 for failure */
70
71 /* Open whatever channel for this, be it the console, an X window
72 or whatever.
73 This function should use the ex_data structure to save
74 intermediate data. */
75 int (*ui_open_session)(UI *ui);
76
77 int (*ui_write_string)(UI *ui, UI_STRING *uis);
78
79 /* Flush the output. If a GUI dialog box is used, this function can
80 be used to actually display it. */
81 int (*ui_flush)(UI *ui);
82
83 int (*ui_read_string)(UI *ui, UI_STRING *uis);
84
85 int (*ui_close_session)(UI *ui);
86
87 /* Construct a prompt in a user-defined manner. object_desc is a
88 textual short description of the object, for example "pass phrase",
89 and object_name is the name of the object (might be a card name or
90 a file name.
91 The returned string shall always be allocated on the heap with
92 OPENSSL_malloc(), and need to be free'd with OPENSSL_free(). */
93 char *(*ui_construct_prompt)(UI *ui, const char *object_desc,
94 const char *object_name);
95 };
96
97struct ui_string_st
98 {
99 enum UI_string_types type; /* Input */
100 const char *out_string; /* Input */
101 int input_flags; /* Flags from the user */
102
103 /* The following parameters are completely irrelevant for UIT_INFO,
104 and can therefore be set to 0 or NULL */
105 char *result_buf; /* Input and Output: If not NULL, user-defined
106 with size in result_maxsize. Otherwise, it
107 may be allocated by the UI routine, meaning
108 result_minsize is going to be overwritten.*/
109 union
110 {
111 struct
112 {
113 int result_minsize; /* Input: minimum required
114 size of the result.
115 */
116 int result_maxsize; /* Input: maximum permitted
117 size of the result */
118
119 const char *test_buf; /* Input: test string to verify
120 against */
121 } string_data;
122 struct
123 {
124 const char *action_desc; /* Input */
125 const char *ok_chars; /* Input */
126 const char *cancel_chars; /* Input */
127 } boolean_data;
128 } _;
129
130#define OUT_STRING_FREEABLE 0x01
131 int flags; /* flags for internal use */
132 };
133
134struct ui_st
135 {
136 const UI_METHOD *meth;
137 STACK_OF(UI_STRING) *strings; /* We might want to prompt for more
138 than one thing at a time, and
139 with different echoing status. */
140 void *user_data;
141 CRYPTO_EX_DATA ex_data;
142
143#define UI_FLAG_REDOABLE 0x0001
144#define UI_FLAG_PRINT_ERRORS 0x0100
145 int flags;
146 };
147
148#endif