1
2
3
4
5
6
7
8
9
10
11
12
13
14
15
16
17
18
19
20
21
22
23
24
25
26
27
28
29
30
31
32
33
34
35
36
37
38
39
40
41
42
43
44
45
46
47
48
49
50
51
52
53
54
55
56
57
58
59
60
61
62
63
64
65
66
|
/*
* Copyright (c) 2003 Markus Friedl. All rights reserved.
*
* Redistribution and use in source and binary forms, with or without
* modification, are permitted provided that the following conditions
* are met:
* 1. Redistributions of source code must retain the above copyright
* notice, this list of conditions and the following disclaimer.
* 2. Redistributions in binary form must reproduce the above copyright
* notice, this list of conditions and the following disclaimer in the
* documentation and/or other materials provided with the distribution.
*
* THIS SOFTWARE IS PROVIDED BY THE AUTHOR ``AS IS'' AND ANY EXPRESS OR
* IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE IMPLIED WARRANTIES
* OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE ARE DISCLAIMED.
* IN NO EVENT SHALL THE AUTHOR BE LIABLE FOR ANY DIRECT, INDIRECT,
* INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL DAMAGES (INCLUDING, BUT
* NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS OR SERVICES; LOSS OF USE,
* DATA, OR PROFITS; OR BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY
* THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT
* (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF
* THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
*/
#include "includes.h"
RCSID("$OpenBSD: auth2-krb5.c,v 1.1 2003/05/14 02:15:47 markus Exp $");
#include <krb5.h>
#include "ssh2.h"
#include "xmalloc.h"
#include "packet.h"
#include "log.h"
#include "auth.h"
#include "monitor_wrap.h"
#include "servconf.h"
/* import */
extern ServerOptions options;
static int
userauth_kerberos(Authctxt *authctxt)
{
krb5_data tkt, reply;
char *client = NULL;
int authenticated = 0;
tkt.data = packet_get_string(&tkt.length);
packet_check_eom();
if (PRIVSEP(auth_krb5(authctxt, &tkt, &client, &reply))) {
authenticated = 1;
if (reply.length)
xfree(reply.data);
}
if (client)
xfree(client);
xfree(tkt.data);
return (authenticated);
}
Authmethod method_kerberos = {
"kerberos-2@ssh.com",
userauth_kerberos,
&options.kerberos_authentication
};
|
