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5156b1a1 | 1 | /* $OpenBSD: auth2-none.c,v 1.15 2008/07/02 12:36:39 djm Exp $ */ |
884dc78b | 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" | |
884dc78b | 27 | |
30460aeb | 28 | #include <sys/types.h> |
29 | #include <sys/stat.h> | |
30 | #include <sys/uio.h> | |
31 | ||
32 | #include <fcntl.h> | |
33 | #include <stdarg.h> | |
e74dc197 | 34 | #include <string.h> |
5156b1a1 | 35 | #include <unistd.h> |
30460aeb | 36 | |
5156b1a1 | 37 | #include "atomicio.h" |
884dc78b | 38 | #include "xmalloc.h" |
30460aeb | 39 | #include "key.h" |
40 | #include "hostfile.h" | |
41 | #include "auth.h" | |
884dc78b | 42 | #include "packet.h" |
43 | #include "log.h" | |
30460aeb | 44 | #include "buffer.h" |
884dc78b | 45 | #include "servconf.h" |
884dc78b | 46 | #include "compat.h" |
47 | #include "ssh2.h" | |
30460aeb | 48 | #ifdef GSSAPI |
49 | #include "ssh-gss.h" | |
50 | #endif | |
884dc78b | 51 | #include "monitor_wrap.h" |
52 | ||
53 | /* import */ | |
54 | extern ServerOptions options; | |
55 | ||
56 | /* "none" is allowed only one time */ | |
57 | static int none_enabled = 1; | |
58 | ||
884dc78b | 59 | static int |
60 | userauth_none(Authctxt *authctxt) | |
61 | { | |
62 | none_enabled = 0; | |
63 | packet_check_eom(); | |
884dc78b | 64 | #ifdef HAVE_CYGWIN |
65 | if (check_nt_auth(1, authctxt->pw) == 0) | |
dfddba3d | 66 | return (0); |
884dc78b | 67 | #endif |
7cac2b65 | 68 | if (options.password_authentication) |
69 | return (PRIVSEP(auth_password(authctxt, ""))); | |
70 | return (0); | |
884dc78b | 71 | } |
72 | ||
73 | Authmethod method_none = { | |
74 | "none", | |
75 | userauth_none, | |
76 | &none_enabled | |
77 | }; |