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       1                 :            : /* $OpenBSD: auth2-kbdint.c,v 1.6 2013/05/17 00:13:13 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 <sys/types.h>
      29                 :            : 
      30                 :            : #include <stdarg.h>
      31                 :            : 
      32                 :            : #include "xmalloc.h"
      33                 :            : #include "packet.h"
      34                 :            : #include "key.h"
      35                 :            : #include "hostfile.h"
      36                 :            : #include "auth.h"
      37                 :            : #include "log.h"
      38                 :            : #include "buffer.h"
      39                 :            : #include "servconf.h"
      40                 :            : 
      41                 :            : /* import */
      42                 :            : extern ServerOptions options;
      43                 :            : 
      44                 :            : static int
      45                 :          0 : userauth_kbdint(Authctxt *authctxt)
      46                 :            : {
      47                 :          0 :         int authenticated = 0;
      48                 :            :         char *lang, *devs;
      49                 :            : 
      50                 :          0 :         lang = packet_get_string(NULL);
      51                 :          0 :         devs = packet_get_string(NULL);
      52         [ #  # ]:          0 :         packet_check_eom();
      53                 :            : 
      54                 :          0 :         debug("keyboard-interactive devs %s", devs);
      55                 :            : 
      56         [ #  # ]:          0 :         if (options.challenge_response_authentication)
      57                 :          0 :                 authenticated = auth2_challenge(authctxt, devs);
      58                 :            : 
      59                 :          0 :         free(devs);
      60                 :          0 :         free(lang);
      61                 :          0 :         return authenticated;
      62                 :            : }
      63                 :            : 
      64                 :            : Authmethod method_kbdint = {
      65                 :            :         "keyboard-interactive",
      66                 :            :         userauth_kbdint,
      67                 :            :         &options.kbd_interactive_authentication
      68                 :            : };