crypto/external/bsd/heimdal/dist/lib/krb5/prompter_posix.c

   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
  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 }