1/*
2 * Copyright (C) 2005 Brooks Davis. All rights reserved.
3 *
4 * Redistribution and use in source and binary forms, with or without
5 * modification, are permitted provided that the following conditions
6 * are met:
7 * 1. Redistributions of source code must retain the above copyright
8 *    notice, this list of conditions and the following disclaimer.
9 * 2. Redistributions in binary form must reproduce the above copyright
10 *    notice, this list of conditions and the following disclaimer in the
11 *    documentation and/or other materials provided with the distribution.
12 *
13 * THIS SOFTWARE IS PROVIDED BY AUTHOR AND CONTRIBUTORS ``AS IS'' AND
14 * ANY EXPRESS OR IMPLIED WARRANTIES, INCLUDING, BUT NOT LIMITED TO, THE
15 * IMPLIED WARRANTIES OF MERCHANTABILITY AND FITNESS FOR A PARTICULAR PURPOSE
16 * ARE DISCLAIMED.  IN NO EVENT SHALL AUTHOR OR CONTRIBUTORS BE LIABLE
17 * FOR ANY DIRECT, INDIRECT, INCIDENTAL, SPECIAL, EXEMPLARY, OR CONSEQUENTIAL
18 * DAMAGES (INCLUDING, BUT NOT LIMITED TO, PROCUREMENT OF SUBSTITUTE GOODS
19 * OR SERVICES; LOSS OF USE, DATA, OR PROFITS; OR BUSINESS INTERRUPTION)
20 * HOWEVER CAUSED AND ON ANY THEORY OF LIABILITY, WHETHER IN CONTRACT, STRICT
21 * LIABILITY, OR TORT (INCLUDING NEGLIGENCE OR OTHERWISE) ARISING IN ANY WAY
22 * OUT OF THE USE OF THIS SOFTWARE, EVEN IF ADVISED OF THE POSSIBILITY OF
23 * SUCH DAMAGE.
24 */
25
26#include <sys/cdefs.h>
27__FBSDID("$FreeBSD$");
28
29#include <sys/types.h>
30#include <sys/param.h>
31#include <errno.h>
32#include <libutil.h>
33#include <stdio.h>
34#include <stdlib.h>
35#include <string.h>
36#include <unistd.h>
37
38#define TESTDOMAIN ""
39#define TESTHOST "testhost"
40#define TESTFQDN "testhost" TESTDOMAIN
41
42int failures = 0;
43int tests = 0;
44
45/*
46 * Evily override gethostname(3) so trimdomain always gets the same result.
47 * This makes the tests much easier to write and less likely to fail on
48 * oddly configured systems.
49 */
50int
51gethostname(char *name, size_t namelen)
52{
53	if (strlcpy(name, TESTFQDN, namelen) > namelen) {
54		errno = ENAMETOOLONG;
55		return (-1);
56	}
57	return (0);
58}
59
60void
61testit(const char *input, int hostsize, const char *output, const char *test)
62{
63	char *testhost;
64	const char *expected = (output == NULL) ? input : output;
65
66	testhost = strdup(input);
67	trimdomain(testhost, hostsize < 0 ? (int)strlen(testhost) : hostsize);
68	tests++;
69	if (strcmp(testhost, expected) != 0) {
70		printf("not ok %d - %s\n", tests, test);
71		printf("# %s -> %s (expected %s)\n", input, testhost, expected);
72	} else
73		printf("ok %d - %s\n", tests, test);
74	free(testhost);
75	return;
76}
77
78int
79main(void)
80{
81
82	printf("1..5\n");
83
84	testit(TESTFQDN, -1, TESTHOST, "self");
85	testit("XXX" TESTDOMAIN, -1, "XXX", "different host, same domain");
86	testit("XXX" TESTDOMAIN, 1, NULL, "short hostsize");
87	testit("bogus.example.net", -1, NULL, "arbitrary host");
88	testit("XXX." TESTFQDN, -1, NULL, "domain is local hostname");
89
90	return (0);
91}
92