1/*
2 * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
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
36KRB5_LIB_FUNCTION int KRB5_CALLCONV
37krb5_prompter_posix(krb5_context context,
38		    void *data,
39		    const char *name,
40		    const char *banner,
41		    int num_prompts,
42		    krb5_prompt prompts[])
43{
44    int i;
45
46    if (name)
47	fprintf (stderr, "%s\n", name);
48    if (banner)
49	fprintf (stderr, "%s\n", banner);
50    if (name || banner)
51	fflush(stderr);
52    for (i = 0; i < num_prompts; ++i) {
53	if (prompts[i].hidden) {
54	    if (UI_UTIL_read_pw_string(prompts[i].reply->data,
55				       (int)prompts[i].reply->length,
56				       prompts[i].prompt,
57				       0))
58	       return 1;
59	} else {
60	    char *s = prompts[i].reply->data;
61
62	    fputs(prompts[i].prompt, stdout);
63	    fflush(stdout);
64	    if(fgets(prompts[i].reply->data,
65		     (int)prompts[i].reply->length,
66		     stdin) == NULL)
67		return 1;
68	    s[strcspn(s, "\n")] = '\0';
69	}
70    }
71    return 0;
72}
73
74KRB5_LIB_FUNCTION int KRB5_CALLCONV
75krb5_prompter_print_only(krb5_context context,
76			 void *data,
77			 const char *name,
78			 const char *banner,
79			 int num_prompts,
80			 krb5_prompt prompts[])
81{
82    if (name)
83	fprintf (stderr, "%s\n", name);
84    if (banner)
85	fprintf (stderr, "%s\n", banner);
86    if (name || banner)
87	fflush(stderr);
88
89    if (num_prompts) {
90	_krb5_debugx(context, 10, "prompter disabled");
91	return 1;
92    } else {
93	return 0;
94    }
95}
96