1 /*	$NetBSD: test_kuserok.c,v 1.1.1.1 2011/04/13 18:15:38 elric Exp $	*/
2 
3 /*
4  * Copyright (c) 2005 Kungliga Tekniska Högskolan
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 <krb5/getarg.h>
37 #include <err.h>
38 
39 static int version_flag = 0;
40 static int help_flag	= 0;
41 
42 static 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 
49 static void
50 usage (int ret)
51 {
52     arg_printusage (args,
53 		    sizeof(args)/sizeof(*args),
54 		    NULL,
55 		    "principal luser");
56     exit (ret);
57 }
58 
59 int
60 main(int argc, char **argv)
61 {
62     krb5_context context;
63     krb5_error_code ret;
64     krb5_principal principal;
65     char *p;
66     int o = 0;
67 
68     setprogname(argv[0]);
69 
70     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &o))
71 	usage(1);
72 
73     if (help_flag)
74 	usage (0);
75 
76     if(version_flag){
77 	print_version(NULL);
78 	exit(0);
79     }
80 
81     argc -= o;
82     argv += o;
83 
84     ret = krb5_init_context(&context);
85     if (ret)
86 	errx (1, "krb5_init_context failed: %d", ret);
87 
88     if (argc != 2)
89 	usage(1);
90 
91     ret = krb5_parse_name(context, argv[0], &principal);
92     if (ret)
93 	krb5_err(context, 1, ret, "krb5_parse_name");
94 
95     ret = krb5_unparse_name(context, principal, &p);
96     if (ret)
97 	krb5_err(context, 1, ret, "krb5_unparse_name");
98 
99     ret = krb5_kuserok(context, principal, argv[1]);
100 
101     krb5_free_context(context);
102 
103     printf("%s is %sallowed to login as %s\n", p, ret ? "" : "NOT ", argv[1]);
104 
105     return 0;
106 }
107