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Annotation of src/usr.bin/ssh/auth2-none.c, Revision 1.16

1.16    ! djm         1: /* $OpenBSD: auth2-none.c,v 1.15 2008/07/02 12:36:39 djm 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>
1.1       markus     27:
1.12      deraadt    28: #include "xmalloc.h"
                     29: #include "key.h"
                     30: #include "hostfile.h"
1.1       markus     31: #include "auth.h"
                     32: #include "packet.h"
                     33: #include "log.h"
1.12      deraadt    34: #include "buffer.h"
1.1       markus     35: #include "servconf.h"
                     36: #include "compat.h"
                     37: #include "ssh2.h"
1.12      deraadt    38: #ifdef GSSAPI
                     39: #include "ssh-gss.h"
                     40: #endif
1.1       markus     41: #include "monitor_wrap.h"
                     42:
                     43: /* import */
                     44: extern ServerOptions options;
                     45:
1.2       markus     46: /* "none" is allowed only one time */
                     47: static int none_enabled = 1;
                     48:
                     49: static int
1.1       markus     50: userauth_none(Authctxt *authctxt)
                     51: {
1.2       markus     52:        none_enabled = 0;
1.1       markus     53:        packet_check_eom();
1.16    ! djm        54:        if (options.permit_empty_passwd && options.password_authentication)
1.5       markus     55:                return (PRIVSEP(auth_password(authctxt, "")));
                     56:        return (0);
1.1       markus     57: }
1.2       markus     58:
                     59: Authmethod method_none = {
                     60:        "none",
                     61:        userauth_none,
                     62:        &none_enabled
                     63: };