1 /*	$NetBSD: prompter_posix.c,v 1.1.1.1 2011/04/13 18:15:37 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
5  * (Royal Institute of Technology, Stockholm, Sweden).
6  * 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 the
17  *    documentation and/or other materials provided with the distribution.
18  *
19  * 3. Neither the name of the Institute nor the names of its contributors
20  *    may be used to endorse or promote products derived from this software
21  *    without specific prior written permission.
22  *
23  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33  * SUCH DAMAGE.
34  */
35 
36 #include "krb5_locl.h"
37 
38 KRB5_LIB_FUNCTION int KRB5_CALLCONV
krb5_prompter_posix(krb5_context context,void * data,const char * name,const char * banner,int num_prompts,krb5_prompt prompts[])39 krb5_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