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
38 static int version_flag = 0;
39 static int help_flag = 0;
40
41 static 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
48 static void
usage(int ret)49 usage (int ret)
50 {
51 arg_printusage (args,
52 sizeof(args)/sizeof(*args),
53 NULL,
54 "[principal]");
55 exit (ret);
56 }
57
58 int
main(int argc,char ** argv)59 main(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