xref: /netbsd-src/crypto/external/bsd/heimdal/dist/lib/krb5/prompter_posix.c (revision d3273b5b76f5afaafe308cead5511dbb8df8c5e9)
1*d3273b5bSchristos /*	$NetBSD: prompter_posix.c,v 1.2 2017/01/28 21:31:49 christos Exp $	*/
2ca1c9b0cSelric 
3ca1c9b0cSelric /*
4ca1c9b0cSelric  * Copyright (c) 1997 - 2001 Kungliga Tekniska Högskolan
5ca1c9b0cSelric  * (Royal Institute of Technology, Stockholm, Sweden).
6ca1c9b0cSelric  * All rights reserved.
7ca1c9b0cSelric  *
8ca1c9b0cSelric  * Redistribution and use in source and binary forms, with or without
9ca1c9b0cSelric  * modification, are permitted provided that the following conditions
10ca1c9b0cSelric  * are met:
11ca1c9b0cSelric  *
12ca1c9b0cSelric  * 1. Redistributions of source code must retain the above copyright
13ca1c9b0cSelric  *    notice, this list of conditions and the following disclaimer.
14ca1c9b0cSelric  *
15ca1c9b0cSelric  * 2. Redistributions in binary form must reproduce the above copyright
16ca1c9b0cSelric  *    notice, this list of conditions and the following disclaimer in the
17ca1c9b0cSelric  *    documentation and/or other materials provided with the distribution.
18ca1c9b0cSelric  *
19ca1c9b0cSelric  * 3. Neither the name of the Institute nor the names of its contributors
20ca1c9b0cSelric  *    may be used to endorse or promote products derived from this software
21ca1c9b0cSelric  *    without specific prior written permission.
22ca1c9b0cSelric  *
23ca1c9b0cSelric  * THIS SOFTWARE IS PROVIDED BY THE INSTITUTE AND CONTRIBUTORS ``AS IS'' AND
24ca1c9b0cSelric  * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25ca1c9b0cSelric  * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
26ca1c9b0cSelric  * ARE DISCLAIMED.  IN NO EVENT SHALL THE INSTITUTE OR CONTRIBUTORS BE LIABLE
27ca1c9b0cSelric  * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
28ca1c9b0cSelric  * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
29ca1c9b0cSelric  * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
30ca1c9b0cSelric  * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
31ca1c9b0cSelric  * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
32ca1c9b0cSelric  * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
33ca1c9b0cSelric  * SUCH DAMAGE.
34ca1c9b0cSelric  */
35ca1c9b0cSelric 
36ca1c9b0cSelric #include "krb5_locl.h"
37ca1c9b0cSelric 
38ca1c9b0cSelric 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[])39ca1c9b0cSelric krb5_prompter_posix (krb5_context context,
40ca1c9b0cSelric 		     void *data,
41ca1c9b0cSelric 		     const char *name,
42ca1c9b0cSelric 		     const char *banner,
43ca1c9b0cSelric 		     int num_prompts,
44ca1c9b0cSelric 		     krb5_prompt prompts[])
45ca1c9b0cSelric {
46ca1c9b0cSelric     int i;
47ca1c9b0cSelric 
48ca1c9b0cSelric     if (name)
49ca1c9b0cSelric 	fprintf (stderr, "%s\n", name);
50ca1c9b0cSelric     if (banner)
51ca1c9b0cSelric 	fprintf (stderr, "%s\n", banner);
52ca1c9b0cSelric     if (name || banner)
53ca1c9b0cSelric 	fflush(stderr);
54ca1c9b0cSelric     for (i = 0; i < num_prompts; ++i) {
55ca1c9b0cSelric 	if (prompts[i].hidden) {
56ca1c9b0cSelric 	    if(UI_UTIL_read_pw_string(prompts[i].reply->data,
57ca1c9b0cSelric 				  prompts[i].reply->length,
58ca1c9b0cSelric 				  prompts[i].prompt,
59ca1c9b0cSelric 				  0))
60ca1c9b0cSelric 	       return 1;
61ca1c9b0cSelric 	} else {
62ca1c9b0cSelric 	    char *s = prompts[i].reply->data;
63ca1c9b0cSelric 
64ca1c9b0cSelric 	    fputs (prompts[i].prompt, stdout);
65ca1c9b0cSelric 	    fflush (stdout);
66ca1c9b0cSelric 	    if(fgets(prompts[i].reply->data,
67ca1c9b0cSelric 		     prompts[i].reply->length,
68ca1c9b0cSelric 		     stdin) == NULL)
69ca1c9b0cSelric 		return 1;
70ca1c9b0cSelric 	    s[strcspn(s, "\n")] = '\0';
71ca1c9b0cSelric 	}
72ca1c9b0cSelric     }
73ca1c9b0cSelric     return 0;
74ca1c9b0cSelric }
75