1 /*	$NetBSD: test_hostname.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 <err.h>
37 #include <krb5/getarg.h>
38 
39 static int debug_flag	= 0;
40 static int version_flag = 0;
41 static int help_flag	= 0;
42 
43 static int
44 expand_hostname(krb5_context context, const char *host)
45 {
46     krb5_error_code ret;
47     char *h, **r;
48 
49     ret = krb5_expand_hostname(context, host, &h);
50     if (ret)
51 	krb5_err(context, 1, ret, "krb5_expand_hostname(%s)", host);
52 
53     free(h);
54 
55     if (debug_flag)
56 	printf("hostname: %s -> %s\n", host, h);
57 
58     ret = krb5_expand_hostname_realms(context, host, &h, &r);
59     if (ret)
60 	krb5_err(context, 1, ret, "krb5_expand_hostname_realms(%s)", host);
61 
62     if (debug_flag) {
63 	int j;
64 
65 	printf("hostname: %s -> %s\n", host, h);
66 	for (j = 0; r[j]; j++) {
67 	    printf("\trealm: %s\n", r[j]);
68 	}
69     }
70     free(h);
71     krb5_free_host_realm(context, r);
72 
73     return 0;
74 }
75 
76 static int
77 test_expand_hostname(krb5_context context)
78 {
79     int i, errors = 0;
80 
81     struct t {
82 	krb5_error_code ret;
83 	const char *orig_hostname;
84 	const char *new_hostname;
85     } tests[] = {
86 	{ 0, "pstn1.su.se", "pstn1.su.se" },
87 	{ 0, "pstnproxy.su.se", "pstnproxy.su.se" },
88     };
89 
90     for (i = 0; i < sizeof(tests)/sizeof(tests[0]); i++) {
91 	errors += expand_hostname(context, tests[i].orig_hostname);
92     }
93 
94     return errors;
95 }
96 
97 static struct getargs args[] = {
98     {"debug",	'd',	arg_flag,	&debug_flag,
99      "turn on debuggin", NULL },
100     {"version",	0,	arg_flag,	&version_flag,
101      "print version", NULL },
102     {"help",	0,	arg_flag,	&help_flag,
103      NULL, NULL }
104 };
105 
106 static void
107 usage (int ret)
108 {
109     arg_printusage (args, sizeof(args)/sizeof(*args), NULL, "hostname ...");
110     exit (ret);
111 }
112 
113 
114 int
115 main(int argc, char **argv)
116 {
117     krb5_context context;
118     krb5_error_code ret;
119     int optidx = 0, errors = 0;
120 
121     setprogname(argv[0]);
122 
123     if(getarg(args, sizeof(args) / sizeof(args[0]), argc, argv, &optidx))
124 	usage(1);
125 
126     if (help_flag)
127 	usage (0);
128 
129     if(version_flag){
130 	print_version(NULL);
131 	exit(0);
132     }
133 
134     argc -= optidx;
135     argv += optidx;
136 
137     ret = krb5_init_context(&context);
138     if (ret)
139 	errx (1, "krb5_init_context failed: %d", ret);
140 
141     if (argc > 0) {
142 	while (argc-- > 0)
143 	    errors += expand_hostname(context, *argv++);
144 	return errors;
145     }
146 
147     errors += test_expand_hostname(context);
148 
149     krb5_free_context(context);
150 
151     return errors;
152 }
153