| xf.li | bdd93d5 | 2023-05-12 07:10:14 -0700 | [diff] [blame] | 1 | /* Test host lookup with double dots at the end, [BZ #16469]. |
| 2 | Copyright (C) 2014-2016 Free Software Foundation, Inc. |
| 3 | This file is part of the GNU C Library. |
| 4 | |
| 5 | The GNU C Library is free software; you can redistribute it and/or |
| 6 | modify it under the terms of the GNU Lesser General Public |
| 7 | License as published by the Free Software Foundation; either |
| 8 | version 2.1 of the License, or (at your option) any later version. |
| 9 | |
| 10 | The GNU C Library is distributed in the hope that it will be useful, |
| 11 | but WITHOUT ANY WARRANTY; without even the implied warranty of |
| 12 | MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| 13 | Lesser General Public License for more details. |
| 14 | |
| 15 | You should have received a copy of the GNU Lesser General Public |
| 16 | License along with the GNU C Library; if not, see |
| 17 | <http://www.gnu.org/licenses/>. */ |
| 18 | |
| 19 | #include <sys/types.h> |
| 20 | #include <sys/socket.h> |
| 21 | #include <netdb.h> |
| 22 | #include <string.h> |
| 23 | |
| 24 | static int |
| 25 | test (void) |
| 26 | { |
| 27 | static char host1[] = "localhost.."; |
| 28 | static char host2[] = "www.gnu.org.."; |
| 29 | static char *hosts[] = { host1, host2 }; |
| 30 | int i; |
| 31 | int pass = 0; |
| 32 | |
| 33 | for (i = 0; i < sizeof (hosts) / sizeof (*hosts); i++) |
| 34 | { |
| 35 | char *host = hosts[i]; |
| 36 | size_t len = strlen (host); |
| 37 | struct addrinfo *ai; |
| 38 | |
| 39 | /* If the name doesn't resolve with a single dot at the |
| 40 | end, skip it. */ |
| 41 | host[len-1] = 0; |
| 42 | if (getaddrinfo (host, NULL, NULL, &ai) != 0) |
| 43 | { |
| 44 | printf ("resolving \"%s\" failed, skipping this hostname\n", host); |
| 45 | continue; |
| 46 | } |
| 47 | printf ("resolving \"%s\" worked, proceeding to test\n", host); |
| 48 | freeaddrinfo (ai); |
| 49 | |
| 50 | /* If it resolved with a single dot, check that it doesn't with |
| 51 | a second trailing dot. */ |
| 52 | host[len-1] = '.'; |
| 53 | if (getaddrinfo (host, NULL, NULL, &ai) == 0) |
| 54 | { |
| 55 | printf ("resolving \"%s\" worked, test failed\n", host); |
| 56 | return 1; |
| 57 | } |
| 58 | printf ("resolving \"%s\" failed, test passed\n", host); |
| 59 | pass = 1; |
| 60 | } |
| 61 | |
| 62 | /* We want at least one successful name resolution for the test to |
| 63 | succeed. */ |
| 64 | return pass ? 0 : 2; |
| 65 | } |
| 66 | |
| 67 | #define TEST_FUNCTION test () |
| 68 | #define TIMEOUT 10 |
| 69 | #include "../test-skeleton.c" |