summaryrefslogtreecommitdiffstats
path: root/crypto/openssl/crypto/ui/ui_locl.h
blob: bebc13abfc526fff4b86953fb9e98736e112620c (plain)
1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
67
68
69
70
71
72
73
74
75
76
77
78
79
80
81
82
83
84
85
86
87
88
89
90
91
92
93
94
95
96
97
98
99
100
101
102
103
104
105
106
107
108
109
110
111
112
113
114
115
116
117
118
119
120
121
122
123
124
125
126
127
128
129
130
131
132
133
134
135
136
137
138
139
140
141
142
143
144
145
/* crypto/ui/ui.h */
/*
 * 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
OpenPOWER on IntegriCloud