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      1 /*	$NetBSD: prompter_posix.c,v 1.2 2017/01/28 21:31:49 christos Exp $	*/
      2 
      3 /*
      4  * Copyright (c) 1997 - 2001 Kungliga Tekniska Hgskolan
      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
     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