tools/regression/lib/libutil/test-trimdomain-nodomain.c

   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
  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 {
  52         if (strlcpy(name, TESTFQDN, namelen) > namelen) {
  53                 errno = ENAMETOOLONG;
  54                 return (-1);
  55         }
  56         return (0);
  57 }
  58
  59 void
  60 testit(const char *input, int hostsize, const char *output, const char *test)
  61 {
  62         char *testhost;
  63         const char *expected = (output == NULL) ? input : output;
  64
  65         testhost = strdup(input);
  66         trimdomain(testhost, hostsize < 0 ? strlen(testhost) : hostsize);
  67         tests++;
  68         if (strcmp(testhost, expected) != 0) {
  69                 printf("not ok %d - %s\n", tests, test);
  70                 printf("# %s -> %s (expected %s)\n", input, testhost, expected);
  71         } else
  72                 printf("ok %d - %s\n", tests, test);
  73         free(testhost);
  74         return;
  75 }
  76
  77 int
  78 main (int argc, char **argv)
  79 {
  80
  81         printf("1..5\n");
  82
  83         testit(TESTFQDN, -1, TESTHOST, "self");
  84         testit("XXX" TESTDOMAIN, -1, "XXX", "different host, same domain");
  85         testit("XXX" TESTDOMAIN, 1, NULL, "short hostsize");
  86         testit("bogus.example.net", -1, NULL, "arbitrary host");
  87         testit("XXX." TESTFQDN, -1, NULL, "domain is local hostname");
  88
  89         return (0);
  90 }