1/*	$NetBSD: test_forward.c,v 1.2 2017/01/28 21:31:49 christos Exp $	*/
2
3/*
4 * Copyright (c) 2008 Kungliga Tekniska H��gskolan
5 * (Royal Institute of Technology, Stockholm, Sweden).
6 * All rights reserved.
7 *
8 * Redistribution and use in source and binary forms, with or without
9 * modification, are permitted provided that the following conditions
10 * are met:
11 *
12 * 1. Redistributions of source code must retain the above copyright
13 *    notice, this list of conditions and the following disclaimer.
14 *
15 * 2. Redistributions in binary form must reproduce the above copyright
16 *    notice, this list of conditions and the following disclaimer in the
17 *    documentation and/or other materials provided with the distribution.
18 *
19 * 3. Neither the name of KTH nor the names of its contributors may be
20 *    used to endorse or promote products derived from this software without
21 *    specific prior written permission.
22 *
23 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
24 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
25 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
26 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
27 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
28 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
29 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
30 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
31 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
32 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
33 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE. */
34
35#include "krb5_locl.h"
36#include <err.h>
37#include <krb5/getarg.h>
38
39static int version_flag = 0;
40static int help_flag	= 0;
41
42static struct getargs args[] = {
43    {"version",	0,	arg_flag,	&version_flag,
44     "print version", NULL },
45    {"help",	0,	arg_flag,	&help_flag,
46     NULL, NULL }
47};
48
49static void
50usage (int ret)
51{
52    arg_printusage (args,
53		    sizeof(args)/sizeof(*args),
54		    NULL,
55		    "hostname");
56    exit (ret);
57}
58
59int
60main(int argc, char **argv)
61{
62    const char *hostname;
63    krb5_context context;
64    krb5_auth_context ac;
65    krb5_error_code ret;
66    krb5_creds cred;
67    krb5_ccache id;
68    krb5_data data;
69    int optidx = 0;
70
71    setprogname (argv[0]);
72
73    if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
74	usage(1);
75
76    if (help_flag)
77	usage (0);
78
79    if(version_flag){
80	print_version(NULL);
81	exit(0);
82    }
83
84    argc -= optidx;
85    argv += optidx;
86
87    if (argc < 1)
88	usage(1);
89
90    hostname = argv[0];
91
92    memset(&cred, 0, sizeof(cred));
93
94    ret = krb5_init_context(&context);
95    if (ret)
96	errx (1, "krb5_init_context failed: %d", ret);
97
98    ret = krb5_cc_default(context, &id);
99    if (ret)
100	krb5_err(context, 1, ret, "krb5_cc_default failed");
101
102    ret = krb5_auth_con_init(context, &ac);
103    if (ret)
104	krb5_err(context, 1, ret, "krb5_auth_con_init failed");
105
106    krb5_auth_con_addflags(context, ac,
107			   KRB5_AUTH_CONTEXT_CLEAR_FORWARDED_CRED, NULL);
108
109    ret = krb5_cc_get_principal(context, id, &cred.client);
110    if (ret)
111	krb5_err(context, 1, ret, "krb5_cc_get_principal");
112
113    ret = krb5_make_principal(context,
114			      &cred.server,
115			      krb5_principal_get_realm(context, cred.client),
116			      KRB5_TGS_NAME,
117			      krb5_principal_get_realm(context, cred.client),
118			      NULL);
119    if (ret)
120	krb5_err(context, 1, ret, "krb5_make_principal(server)");
121
122    ret = krb5_get_forwarded_creds (context,
123				    ac,
124				    id,
125				    KDC_OPT_FORWARDABLE,
126				    hostname,
127				    &cred,
128				    &data);
129    if (ret)
130	krb5_err (context, 1, ret, "krb5_get_forwarded_creds");
131
132    krb5_data_free(&data);
133    krb5_free_context(context);
134
135    return 0;
136}
137