OpenSSL  1.0.1c
 All Classes Files Functions Variables Typedefs Enumerations Enumerator Macros
ui_util.c
Go to the documentation of this file.
1 /* crypto/ui/ui_util.c -*- mode:C; c-file-style: "eay" -*- */
2 /* ====================================================================
3  * Copyright (c) 2001-2002 The OpenSSL Project. All rights reserved.
4  *
5  * Redistribution and use in source and binary forms, with or without
6  * modification, are permitted provided that the following conditions
7  * are met:
8  *
9  * 1. Redistributions of source code must retain the above copyright
10  * notice, this list of conditions and the following disclaimer.
11  *
12  * 2. Redistributions in binary form must reproduce the above copyright
13  * notice, this list of conditions and the following disclaimer in
14  * the documentation and/or other materials provided with the
15  * distribution.
16  *
17  * 3. All advertising materials mentioning features or use of this
18  * software must display the following acknowledgment:
19  * "This product includes software developed by the OpenSSL Project
20  * for use in the OpenSSL Toolkit. (http://www.openssl.org/)"
21  *
22  * 4. The names "OpenSSL Toolkit" and "OpenSSL Project" must not be used to
23  * endorse or promote products derived from this software without
24  * prior written permission. For written permission, please contact
26  *
27  * 5. Products derived from this software may not be called "OpenSSL"
28  * nor may "OpenSSL" appear in their names without prior written
29  * permission of the OpenSSL Project.
30  *
31  * 6. Redistributions of any form whatsoever must retain the following
32  * acknowledgment:
33  * "This product includes software developed by the OpenSSL Project
34  * for use in the OpenSSL Toolkit (http://www.openssl.org/)"
35  *
36  * THIS SOFTWARE IS PROVIDED BY THE OpenSSL PROJECT ``AS IS'' AND ANY
37  * EXPRESSED OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
38  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
39  * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL THE OpenSSL PROJECT OR
40  * ITS CONTRIBUTORS BE LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL,
41  * SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
42  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES;
43  * LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
44  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT,
45  * STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE)
46  * ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED
47  * OF THE POSSIBILITY OF SUCH DAMAGE.
48  * ====================================================================
49  *
50  * This product includes cryptographic software written by Eric Young
51  * ([email protected]). This product includes software written by Tim
52  * Hudson ([email protected]).
53  *
54  */
55 
56 #include <string.h>
57 #include "ui_locl.h"
58 
59 int UI_UTIL_read_pw_string(char *buf,int length,const char *prompt,int verify)
60  {
61  char buff[BUFSIZ];
62  int ret;
63 
64  ret=UI_UTIL_read_pw(buf,buff,(length>BUFSIZ)?BUFSIZ:length,prompt,verify);
65  OPENSSL_cleanse(buff,BUFSIZ);
66  return(ret);
67  }
68 
69 int UI_UTIL_read_pw(char *buf,char *buff,int size,const char *prompt,int verify)
70  {
71  int ok = 0;
72  UI *ui;
73 
74  if (size < 1)
75  return -1;
76 
77  ui = UI_new();
78  if (ui)
79  {
80  ok = UI_add_input_string(ui,prompt,0,buf,0,size-1);
81  if (ok >= 0 && verify)
82  ok = UI_add_verify_string(ui,prompt,0,buff,0,size-1,
83  buf);
84  if (ok >= 0)
85  ok=UI_process(ui);
86  UI_free(ui);
87  }
88  if (ok > 0)
89  ok = 0;
90  return(ok);
91  }