prompter_posix.c revision 178825 
1/*
2 * Copyright (c) 1997 - 2001 Kungliga Tekniska H�gskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of the Institute nor the names of its contributors
18 *    may be used to endorse or promote products derived from this software
19 *    without specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
22 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
24 * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
25 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
26 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
27 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
28 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
29 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
30 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
31 * SUCH DAMAGE.
32 */
33
34#include "krb5_locl.h"
35
36RCSID("$Id: prompter_posix.c 13863 2004-05-25 21:46:46Z lha $");
37
38int KRB5_LIB_FUNCTION
39krb5_prompter_posix (krb5_context context,
40		     void *data,
41		     const char *name,
42		     const char *banner,
43		     int num_prompts,
44		     krb5_prompt prompts[])
45{
46    int i;
47
48    if (name)
49	fprintf (stderr, "%s\n", name);
50    if (banner)
51	fprintf (stderr, "%s\n", banner);
52    if (name || banner)
53	fflush(stderr);
54    for (i = 0; i < num_prompts; ++i) {
55	if (prompts[i].hidden) {
56	    if(UI_UTIL_read_pw_string(prompts[i].reply->data,
57				  prompts[i].reply->length,
58				  prompts[i].prompt,
59				  0))
60	       return 1;
61	} else {
62	    char *s = prompts[i].reply->data;
63
64	    fputs (prompts[i].prompt, stdout);
65	    fflush (stdout);
66	    if(fgets(prompts[i].reply->data,
67		     prompts[i].reply->length,
68		     stdin) == NULL)
69		return 1;
70	    s[strcspn(s, "\n")] = '\0';
71	}
72    }
73    return 0;
74}
75