1178825Sdfr/*
2178825Sdfr * Copyright (c) 2007 Kungliga Tekniska H�gskolan
3178825Sdfr * (Royal Institute of Technology, Stockholm, Sweden).
4178825Sdfr * All rights reserved.
5178825Sdfr *
6178825Sdfr * Redistribution and use in source and binary forms, with or without
7178825Sdfr * modification, are permitted provided that the following conditions
8178825Sdfr * are met:
9178825Sdfr *
10178825Sdfr * 1. Redistributions of source code must retain the above copyright
11178825Sdfr *    notice, this list of conditions and the following disclaimer.
12178825Sdfr *
13178825Sdfr * 2. Redistributions in binary form must reproduce the above copyright
14178825Sdfr *    notice, this list of conditions and the following disclaimer in the
15178825Sdfr *    documentation and/or other materials provided with the distribution.
16178825Sdfr *
17178825Sdfr * 3. Neither the name of KTH nor the names of its contributors may be
18178825Sdfr *    used to endorse or promote products derived from this software without
19178825Sdfr *    specific prior written permission.
20178825Sdfr *
21178825Sdfr * THIS SOFTWARE IS PROVIDED BY KTH AND ITS CONTRIBUTORS ``AS IS'' AND ANY
22178825Sdfr * EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
23178825Sdfr * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR
24178825Sdfr * PURPOSE ARE DISCLAIMED. IN NO EVENT SHALL KTH OR ITS CONTRIBUTORS BE
25178825Sdfr * LIABLE FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR
26178825Sdfr * CONSEQUENTIAL DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF
27178825Sdfr * SUBSTITUTE GOODS OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR
28178825Sdfr * BUSINESS INTERRUPTION) HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY,
29178825Sdfr * WHETHER IN CONTRACT, STRICT LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR
30178825Sdfr * OTHERWISE) ARISING IN ANY WAY OUT OF THE USE OF THIS SOFTWARE, EVEN IF
31178825Sdfr * ADVISED OF THE POSSIBILITY OF SUCH DAMAGE.
32178825Sdfr */
33178825Sdfr
34178825Sdfr#include "krb5_locl.h"
35178825Sdfr#include <err.h>
36178825Sdfr#include <getarg.h>
37178825Sdfr
38178825SdfrRCSID("$Id$");
39178825Sdfr
40178825Sdfr
41178825Sdfrstatic int version_flag = 0;
42178825Sdfrstatic int help_flag	= 0;
43178825Sdfr
44178825Sdfrstatic struct getargs args[] = {
45178825Sdfr    {"version",	0,	arg_flag,	&version_flag,
46178825Sdfr     "print version", NULL },
47178825Sdfr    {"help",	0,	arg_flag,	&help_flag,
48178825Sdfr     NULL, NULL }
49178825Sdfr};
50178825Sdfr
51178825Sdfrstatic void
52178825Sdfrusage (int ret)
53178825Sdfr{
54178825Sdfr    arg_printusage (args,
55178825Sdfr		    sizeof(args)/sizeof(*args),
56178825Sdfr		    NULL,
57178825Sdfr		    "[principal]");
58178825Sdfr    exit (ret);
59178825Sdfr}
60178825Sdfr
61178825Sdfrint
62178825Sdfrmain(int argc, char **argv)
63178825Sdfr{
64178825Sdfr    krb5_principal client;
65178825Sdfr    krb5_context context;
66178825Sdfr    const char *in_tkt_service = NULL;
67178825Sdfr    krb5_ccache id;
68178825Sdfr    krb5_error_code ret;
69178825Sdfr    krb5_creds out;;
70178825Sdfr    int optidx = 0;
71178825Sdfr
72178825Sdfr    setprogname(argv[0]);
73178825Sdfr
74178825Sdfr    if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
75178825Sdfr	usage(1);
76178825Sdfr
77178825Sdfr    if (help_flag)
78178825Sdfr	usage (0);
79178825Sdfr
80178825Sdfr    if(version_flag){
81178825Sdfr	print_version(NULL);
82178825Sdfr	exit(0);
83178825Sdfr    }
84178825Sdfr
85178825Sdfr    argc -= optidx;
86178825Sdfr    argv += optidx;
87178825Sdfr
88178825Sdfr    if (argc > 0)
89178825Sdfr	in_tkt_service = argv[0];
90178825Sdfr
91178825Sdfr    memset(&out, 0, sizeof(out));
92178825Sdfr
93178825Sdfr    ret = krb5_init_context(&context);
94178825Sdfr    if (ret)
95178825Sdfr	krb5_err(context, 1, ret, "krb5_init_context");
96178825Sdfr
97178825Sdfr    ret = krb5_cc_default(context, &id);
98178825Sdfr    if (ret)
99178825Sdfr	krb5_err(context, 1, ret, "krb5_cc_default");
100178825Sdfr
101178825Sdfr    ret = krb5_cc_get_principal(context, id, &client);
102178825Sdfr    if (ret)
103178825Sdfr	krb5_err(context, 1, ret, "krb5_cc_default");
104178825Sdfr
105178825Sdfr    ret = krb5_get_renewed_creds(context,
106178825Sdfr				 &out,
107178825Sdfr				 client,
108178825Sdfr				 id,
109178825Sdfr				 in_tkt_service);
110178825Sdfr
111178825Sdfr    if(ret)
112178825Sdfr	krb5_err(context, 1, ret, "krb5_get_kdc_cred");
113178825Sdfr
114178825Sdfr    if (krb5_principal_compare(context, out.client, client) != TRUE)
115178825Sdfr	krb5_errx(context, 1, "return principal is not as expected");
116178825Sdfr
117178825Sdfr    krb5_free_cred_contents(context, &out);
118178825Sdfr
119178825Sdfr    krb5_free_context(context);
120178825Sdfr
121178825Sdfr    return 0;
122178825Sdfr}
123