Annotation of src/usr.bin/ssh/auth2-none.c, Revision 1.19
1.19 ! markus 1: /* $OpenBSD: auth2-none.c,v 1.18 2014/07/15 15:54:14 millert Exp $ */
1.1 markus 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:
1.8 stevesk 26: #include <sys/types.h>
1.17 djm 27: #include <stdarg.h>
28: #include <stdio.h>
1.1 markus 29:
1.12 deraadt 30: #include "xmalloc.h"
1.19 ! markus 31: #include "sshkey.h"
1.12 deraadt 32: #include "hostfile.h"
1.1 markus 33: #include "auth.h"
34: #include "packet.h"
35: #include "log.h"
1.12 deraadt 36: #include "buffer.h"
1.18 millert 37: #include "misc.h"
1.1 markus 38: #include "servconf.h"
39: #include "compat.h"
40: #include "ssh2.h"
1.19 ! markus 41: #include "ssherr.h"
1.12 deraadt 42: #ifdef GSSAPI
43: #include "ssh-gss.h"
44: #endif
1.1 markus 45: #include "monitor_wrap.h"
46:
47: /* import */
48: extern ServerOptions options;
49:
1.2 markus 50: /* "none" is allowed only one time */
51: static int none_enabled = 1;
52:
53: static int
1.1 markus 54: userauth_none(Authctxt *authctxt)
55: {
1.19 ! markus 56: struct ssh *ssh = active_state; /* XXX */
! 57: int r;
! 58:
1.2 markus 59: none_enabled = 0;
1.19 ! markus 60: if ((r = sshpkt_get_end(ssh)) != 0)
! 61: fatal("%s: %s", __func__, ssh_err(r));
1.16 djm 62: if (options.permit_empty_passwd && options.password_authentication)
1.19 ! markus 63: return (PRIVSEP(auth_password(ssh->authctxt, "")));
1.5 markus 64: return (0);
1.1 markus 65: }
1.2 markus 66:
67: Authmethod method_none = {
68: "none",
69: userauth_none,
70: &none_enabled
71: };