release/src/router/openssl/crypto/ui/ui_locl.h

   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 #include <openssl/crypto.h>
  64
  65 #ifdef _
  66 #undef _
  67 #endif
  68
  69 struct ui_method_st
  70         {
  71         char *name;
  72
  73         /* All the functions return 1 or non-NULL for success and 0 or NULL
  74            for failure */
  75
  76         /* Open whatever channel for this, be it the console, an X window
  77            or whatever.
  78            This function should use the ex_data structure to save
  79            intermediate data. */
  80         int (*ui_open_session)(UI *ui);
  81
  82         int (*ui_write_string)(UI *ui, UI_STRING *uis);
  83
  84         /* Flush the output.  If a GUI dialog box is used, this function can
  85            be used to actually display it. */
  86         int (*ui_flush)(UI *ui);
  87
  88         int (*ui_read_string)(UI *ui, UI_STRING *uis);
  89
  90         int (*ui_close_session)(UI *ui);
  91
  92         /* Construct a prompt in a user-defined manner.  object_desc is a
  93            textual short description of the object, for example "pass phrase",
  94            and object_name is the name of the object (might be a card name or
  95            a file name.
  96            The returned string shall always be allocated on the heap with
  97            OPENSSL_malloc(), and need to be free'd with OPENSSL_free(). */
  98         char *(*ui_construct_prompt)(UI *ui, const char *object_desc,
  99                 const char *object_name);
 100         };
 101
 102 struct ui_string_st
 103         {
 104         enum UI_string_types type; /* Input */
 105         const char *out_string; /* Input */
 106         int input_flags;        /* Flags from the user */
 107
 108         /* The following parameters are completely irrelevant for UIT_INFO,
 109            and can therefore be set to 0 or NULL */
 110         char *result_buf;       /* Input and Output: If not NULL, user-defined
 111                                    with size in result_maxsize.  Otherwise, it
 112                                    may be allocated by the UI routine, meaning
 113                                    result_minsize is going to be overwritten.*/
 114         union
 115                 {
 116                 struct
 117                         {
 118                         int result_minsize;     /* Input: minimum required
 119                                                    size of the result.
 120                                                 */
 121                         int result_maxsize;     /* Input: maximum permitted
 122                                                    size of the result */
 123
 124                         const char *test_buf;   /* Input: test string to verify
 125                                                    against */
 126                         } string_data;
 127                 struct
 128                         {
 129                         const char *action_desc; /* Input */
 130                         const char *ok_chars; /* Input */
 131                         const char *cancel_chars; /* Input */
 132                         } boolean_data;
 133                 } _;
 134
 135 #define OUT_STRING_FREEABLE 0x01
 136         int flags;              /* flags for internal use */
 137         };
 138
 139 struct ui_st
 140         {
 141         const UI_METHOD *meth;
 142         STACK_OF(UI_STRING) *strings; /* We might want to prompt for more
 143                                          than one thing at a time, and
 144                                          with different echoing status.  */
 145         void *user_data;
 146         CRYPTO_EX_DATA ex_data;
 147
 148 #define UI_FLAG_REDOABLE        0x0001
 149 #define UI_FLAG_PRINT_ERRORS    0x0100
 150         int flags;
 151         };
 152
 153 #endif