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 #include <sys/types.h> 28 #include <sys/param.h> 29 #include <errno.h> 30 #include <libutil.h> 31 #include <stdio.h> 32 #include <stdlib.h> 33 #include <string.h> 34 #include <unistd.h> 35 36 #define TESTDOMAIN ".domain.example.com" 37 #define TESTHOST "testhost" 38 #define TESTFQDN "testhost" TESTDOMAIN 39 40 int failures = 0; 41 int tests = 0; 42 43 /* 44 * Evily override gethostname(3) so trimdomain always gets the same result. 45 * This makes the tests much easier to write and less likely to fail on 46 * oddly configured systems. 47 */ 48 int 49 gethostname(char *name, size_t namelen) 50 { 51 if (strlcpy(name, TESTFQDN, namelen) > namelen) { 52 errno = ENAMETOOLONG; 53 return (-1); 54 } 55 return (0); 56 } 57 58 void 59 testit(const char *input, int hostsize, const char *output, const char *test) 60 { 61 char *testhost; 62 const char *expected = (output == NULL) ? input : output; 63 64 testhost = strdup(input); 65 trimdomain(testhost, hostsize < 0 ? (int)strlen(testhost) : hostsize); 66 tests++; 67 if (strcmp(testhost, expected) != 0) { 68 printf("not ok %d - %s\n", tests, test); 69 printf("# %s -> %s (expected %s)\n", input, testhost, expected); 70 } else 71 printf("ok %d - %s\n", tests, test); 72 free(testhost); 73 return; 74 } 75 76 int 77 main(void) 78 { 79 80 printf("1..5\n"); 81 82 testit(TESTFQDN, -1, TESTHOST, "self"); 83 testit("XXX" TESTDOMAIN, -1, "XXX", "different host, same domain"); 84 testit("XXX" TESTDOMAIN, 1, NULL, "short hostsize"); 85 testit("bogus.example.net", -1, NULL, "arbitrary host"); 86 testit("XXX." TESTFQDN, -1, NULL, "domain is local hostname"); 87 88 return (0); 89 } 90