auth2-kbdint.c

   1 /* $OpenBSD: auth2-kbdint.c,v 1.4 2006/03/25 13:17:01 djm Exp $ */
   2 /*
   3  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
   4  *
   5  * Redistribution and use in source and binary forms, with or without
   6  * modification, are permitted provided that the following conditions
   7  * are met:
   8  * 1. Redistributions of source code must retain the above copyright
   9  *    notice, this list of conditions and the following disclaimer.
  10  * 2. Redistributions in binary form must reproduce the above copyright
  11  *    notice, this list of conditions and the following disclaimer in the
  12  *    documentation and/or other materials provided with the distribution.
  13  *
  14  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
  15  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
  16  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
  17  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
  18  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
  19  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
  20  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
  21  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
  22  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
  23  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
  24  */
  25
  26 #include "includes.h"
  27
  28 #include "packet.h"
  29 #include "auth.h"
  30 #include "log.h"
  31 #include "servconf.h"
  32 #include "xmalloc.h"
  33
  34 /* import */
  35 extern ServerOptions options;
  36
  37 static int
  38 userauth_kbdint(Authctxt *authctxt)
  39 {
  40         int authenticated = 0;
  41         char *lang, *devs;
  42
  43         lang = packet_get_string(NULL);
  44         devs = packet_get_string(NULL);
  45         packet_check_eom();
  46
  47         debug("keyboard-interactive devs %s", devs);
  48
  49         if (options.challenge_response_authentication)
  50                 authenticated = auth2_challenge(authctxt, devs);
  51
  52         xfree(devs);
  53         xfree(lang);
  54 #ifdef HAVE_CYGWIN
  55         if (check_nt_auth(0, authctxt->pw) == 0)
  56                 authenticated = 0;
  57 #endif
  58         return authenticated;
  59 }
  60
  61 Authmethod method_kbdint = {
  62         "keyboard-interactive",
  63         userauth_kbdint,
  64         &options.kbd_interactive_authentication
  65 };