71 lines
2.2 KiB
C
71 lines
2.2 KiB
C
/* $NetBSD: auth2-krb5.c,v 1.7 2005/04/23 16:55:03 christos Exp $ */
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/*
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* Copyright (c) 2003 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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RCSID("$OpenBSD: auth2-krb5.c,v 1.2 2003/05/15 14:09:21 markus Exp $");
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__RCSID("$NetBSD: auth2-krb5.c,v 1.7 2005/04/23 16:55:03 christos Exp $");
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#include <krb5.h>
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#include "ssh2.h"
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#include "xmalloc.h"
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#include "packet.h"
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#include "log.h"
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#include "auth.h"
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#include "monitor_wrap.h"
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#include "servconf.h"
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/* import */
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extern ServerOptions options;
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static int
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userauth_kerberos(Authctxt *authctxt)
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{
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krb5_data tkt, reply;
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u_int dlen;
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char *client = NULL;
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int authenticated = 0;
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tkt.data = packet_get_string(&dlen);
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tkt.length = dlen;
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packet_check_eom();
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if (PRIVSEP(auth_krb5(authctxt, &tkt, &client, &reply))) {
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authenticated = 1;
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if (reply.length)
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xfree(reply.data);
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}
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if (client)
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xfree(client);
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xfree(tkt.data);
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return (authenticated);
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}
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Authmethod method_kerberos = {
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"kerberos-2@ssh.com",
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userauth_kerberos,
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&options.kerberos_authentication
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};
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