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 ".domain.example.com"
39 #define TESTHOST "testhost"
40 #define TESTFQDN "testhost" TESTDOMAIN
41
42 int failures = 0;
43 int 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 */
50 int
gethostname(char * name,size_t namelen)51 gethostname(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
60 void
testit(const char * input,int hostsize,const char * output,const char * test)61 testit(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
78 int
main(void)79 main(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