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/types.h>
27#include <sys/param.h>
28#include <errno.h>
29#include <libutil.h>
30#include <stdio.h>
31#include <stdlib.h>
32#include <string.h>
33#include <unistd.h>
34
35#define TESTDOMAIN ""
36#define TESTHOST "testhost"
37#define TESTFQDN "testhost" TESTDOMAIN
38
39int failures = 0;
40int tests = 0;
41
42/*
43 * Evily override gethostname(3) so trimdomain always gets the same result.
44 * This makes the tests much easier to write and less likely to fail on
45 * oddly configured systems.
46 */
47int
48gethostname(char *name, size_t namelen)
49{
50	if (strlcpy(name, TESTFQDN, namelen) > namelen) {
51		errno = ENAMETOOLONG;
52		return (-1);
53	}
54	return (0);
55}
56
57void
58testit(const char *input, int hostsize, const char *output, const char *test)
59{
60	char *testhost;
61	const char *expected = (output == NULL) ? input : output;
62
63	testhost = strdup(input);
64	trimdomain(testhost, hostsize < 0 ? (int)strlen(testhost) : hostsize);
65	tests++;
66	if (strcmp(testhost, expected) != 0) {
67		printf("not ok %d - %s\n", tests, test);
68		printf("# %s -> %s (expected %s)\n", input, testhost, expected);
69	} else
70		printf("ok %d - %s\n", tests, test);
71	free(testhost);
72	return;
73}
74
75int
76main(void)
77{
78
79	printf("1..5\n");
80
81	testit(TESTFQDN, -1, TESTHOST, "self");
82	testit("XXX" TESTDOMAIN, -1, "XXX", "different host, same domain");
83	testit("XXX" TESTDOMAIN, 1, NULL, "short hostsize");
84	testit("bogus.example.net", -1, NULL, "arbitrary host");
85	testit("XXX." TESTFQDN, -1, NULL, "domain is local hostname");
86
87	return (0);
88}
89