1/*
2 * Copyright (c) 2007 Kungliga Tekniska Högskolan
3 * (Royal Institute of Technology, Stockholm, Sweden).
4 * All rights reserved.
5 *
6 * Redistribution and use in source and binary forms, with or without
7 * modification, are permitted provided that the following conditions
8 * are met:
9 *
10 * 1. Redistributions of source code must retain the above copyright
11 *    notice, this list of conditions and the following disclaimer.
12 *
13 * 2. Redistributions in binary form must reproduce the above copyright
14 *    notice, this list of conditions and the following disclaimer in the
15 *    documentation and/or other materials provided with the distribution.
16 *
17 * 3. Neither the name of KTH nor the names of its contributors may be
18 *    used to endorse or promote products derived from this software without
19 *    specific prior written permission.
20 *
21 * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
22 * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24 * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
25 * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26 * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27 * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28 * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29 * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30 * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31 * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32 */
33
34#include "krb5_locl.h"
35#include <err.h>
36#include <getarg.h>
37
38static int version_flag = 0;
39static int help_flag	= 0;
40
41static struct getargs args[] = {
42    {"version",	0,	arg_flag,	&version_flag,
43     "print version", NULL },
44    {"help",	0,	arg_flag,	&help_flag,
45     NULL, NULL }
46};
47
48static void
49usage (int ret)
50{
51    arg_printusage (args,
52		    sizeof(args)/sizeof(*args),
53		    NULL,
54		    "[principal]");
55    exit (ret);
56}
57
58int
59main(int argc, char **argv)
60{
61    krb5_principal client;
62    krb5_context context;
63    const char *in_tkt_service = NULL;
64    krb5_ccache id;
65    krb5_error_code ret;
66    krb5_creds out;
67    int optidx = 0;
68
69    setprogname(argv[0]);
70
71    if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
72	usage(1);
73
74    if (help_flag)
75	usage (0);
76
77    if(version_flag){
78	print_version(NULL);
79	exit(0);
80    }
81
82    argc -= optidx;
83    argv += optidx;
84
85    if (argc > 0)
86	in_tkt_service = argv[0];
87
88    memset(&out, 0, sizeof(out));
89
90    ret = krb5_init_context(&context);
91    if (ret)
92	krb5_err(context, 1, ret, "krb5_init_context");
93
94    ret = krb5_cc_default(context, &id);
95    if (ret)
96	krb5_err(context, 1, ret, "krb5_cc_default");
97
98    ret = krb5_cc_get_principal(context, id, &client);
99    if (ret)
100	krb5_err(context, 1, ret, "krb5_cc_default");
101
102    ret = krb5_get_renewed_creds(context,
103				 &out,
104				 client,
105				 id,
106				 in_tkt_service);
107
108    if(ret)
109	krb5_err(context, 1, ret, "krb5_get_renewed_creds");
110
111    if (krb5_principal_compare(context, out.client, client) != TRUE)
112	krb5_errx(context, 1, "return principal is not as expected");
113
114    krb5_free_cred_contents(context, &out);
115
116    krb5_free_context(context);
117
118    return 0;
119}
120