xref: /freebsd/crypto/openssh/auth2-kbdint.c (revision 3642298923e528d795e3a30ec165d2b469e28b40)
1 /*
2  * Copyright (c) 2000 Markus Friedl.  All rights reserved.
3  *
4  * Redistribution and use in source and binary forms, with or without
5  * modification, are permitted provided that the following conditions
6  * are met:
7  * 1. Redistributions of source code must retain the above copyright
8  *    notice, this list of conditions and the following disclaimer.
9  * 2. Redistributions in binary form must reproduce the above copyright
10  *    notice, this list of conditions and the following disclaimer in the
11  *    documentation and/or other materials provided with the distribution.
12  *
13  * THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
14  * IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
15  * OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
16  * IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
17  * INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
18  * NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
19  * DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
20  * THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
21  * (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
22  * THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
23  */
24 
25 #include "includes.h"
26 RCSID("$OpenBSD: auth2-kbdint.c,v 1.2 2002/05/31 11:35:15 markus Exp $");
27 RCSID("$FreeBSD$");
28 
29 #include "packet.h"
30 #include "auth.h"
31 #include "log.h"
32 #include "servconf.h"
33 #include "xmalloc.h"
34 
35 /* import */
36 extern ServerOptions options;
37 
38 static int
39 userauth_kbdint(Authctxt *authctxt)
40 {
41 	int authenticated = 0;
42 	char *lang, *devs;
43 
44 	lang = packet_get_string(NULL);
45 	devs = packet_get_string(NULL);
46 	packet_check_eom();
47 
48 	debug("keyboard-interactive devs %s", devs);
49 
50 	if (options.challenge_response_authentication)
51 		authenticated = auth2_challenge(authctxt, devs);
52 
53 	xfree(devs);
54 	xfree(lang);
55 #ifdef HAVE_CYGWIN
56 	if (check_nt_auth(0, authctxt->pw) == 0)
57 		authenticated = 0;
58 #endif
59 	return authenticated;
60 }
61 
62 Authmethod method_kbdint = {
63 	"keyboard-interactive",
64 	userauth_kbdint,
65 	&options.kbd_interactive_authentication
66 };
67