crypto/external/bsd/openssh/dist/auth2-kbdint.c

   1 /*      $NetBSD$        */
   2 /* $OpenBSD: auth2-kbdint.c,v 1.5 2006/08/03 03:34:41 deraadt Exp $ */
   3 /*
   4  * Copyright (c) 2000 Markus Friedl.  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  * 1. Redistributions of source code must retain the above copyright
  10  *    notice, this list of conditions and the following disclaimer.
  11  * 2. Redistributions in binary form must reproduce the above copyright
  12  *    notice, this list of conditions and the following disclaimer in the
  13  *    documentation and/or other materials provided with the distribution.
  14  *
  15  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  16  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  17  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  18  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  19  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  20  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  21  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  22  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  23  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  24  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  25  */
  26
  27 #include "includes.h"
  28 __RCSID("$NetBSD: auth2-kbdint.c,v 1.3 2006/09/28 21:22:14 christos Exp $");
  29 #include <sys/types.h>
  30
  31 #include "xmalloc.h"
  32 #include "packet.h"
  33 #include "key.h"
  34 #include "hostfile.h"
  35 #include "auth.h"
  36 #include "log.h"
  37 #include "buffer.h"
  38 #include "servconf.h"
  39
  40 /* import */
  41 extern ServerOptions options;
  42
  43 static int
  44 userauth_kbdint(Authctxt *authctxt)
  45 {
  46         int authenticated = 0;
  47         char *lang, *devs;
  48
  49         lang = packet_get_string(NULL);
  50         devs = packet_get_string(NULL);
  51         packet_check_eom();
  52
  53         debug("keyboard-interactive devs %s", devs);
  54
  55         if (options.challenge_response_authentication)
  56                 authenticated = auth2_challenge(authctxt, devs);
  57
  58         xfree(devs);
  59         xfree(lang);
  60         return authenticated;
  61 }
  62
  63 Authmethod method_kbdint = {
  64         "keyboard-interactive",
  65         userauth_kbdint,
  66         &options.kbd_interactive_authentication
  67 };