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79 lines
2.3 KiB
C
79 lines
2.3 KiB
C
/* $OpenBSD: auth2-none.c,v 1.22 2018/07/09 21:35:50 markus Exp $ */
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/*
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* Copyright (c) 2000 Markus Friedl. All rights reserved.
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*
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* Redistribution and use in source and binary forms, with or without
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* modification, are permitted provided that the following conditions
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* are met:
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* 1. Redistributions of source code must retain the above copyright
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* notice, this list of conditions and the following disclaimer.
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* 2. Redistributions in binary form must reproduce the above copyright
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* notice, this list of conditions and the following disclaimer in the
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* documentation and/or other materials provided with the distribution.
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*
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* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
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* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
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* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
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* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
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* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
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* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
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* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
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* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
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* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
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* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
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*/
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#include "includes.h"
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#include <sys/types.h>
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#include <sys/stat.h>
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#include <sys/uio.h>
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#include <fcntl.h>
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#include <string.h>
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#include <unistd.h>
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#include <stdarg.h>
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#include <stdio.h>
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#include "atomicio.h"
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#include "xmalloc.h"
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#include "sshkey.h"
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#include "hostfile.h"
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#include "auth.h"
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#include "packet.h"
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#include "log.h"
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#include "misc.h"
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#include "servconf.h"
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#include "compat.h"
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#include "ssh2.h"
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#include "ssherr.h"
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#ifdef GSSAPI
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#include "ssh-gss.h"
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#endif
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#include "monitor_wrap.h"
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/* import */
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extern ServerOptions options;
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/* "none" is allowed only one time */
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static int none_enabled = 1;
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static int
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userauth_none(struct ssh *ssh)
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{
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int r;
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none_enabled = 0;
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if ((r = sshpkt_get_end(ssh)) != 0)
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fatal("%s: %s", __func__, ssh_err(r));
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if (options.permit_empty_passwd && options.password_authentication)
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return (PRIVSEP(auth_password(ssh, "")));
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return (0);
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}
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Authmethod method_none = {
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"none",
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userauth_none,
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&none_enabled
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};
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