| /* Tests for the support_format_dns_packet function. |
| Copyright (C) 2016-2018 Free Software Foundation, Inc. |
| This file is part of the GNU C Library. |
| |
| The GNU C Library is free software; you can redistribute it and/or |
| modify it under the terms of the GNU Lesser General Public |
| License as published by the Free Software Foundation; either |
| version 2.1 of the License, or (at your option) any later version. |
| |
| The GNU C Library is distributed in the hope that it will be useful, |
| but WITHOUT ANY WARRANTY; without even the implied warranty of |
| MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU |
| Lesser General Public License for more details. |
| |
| You should have received a copy of the GNU Lesser General Public |
| License along with the GNU C Library; if not, see |
| <http://www.gnu.org/licenses/>. */ |
| |
| #include <support/check.h> |
| #include <support/format_nss.h> |
| #include <support/run_diff.h> |
| |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| |
| static void |
| check_packet (const void *buffer, size_t length, |
| const char *name, const char *expected) |
| { |
| char *actual = support_format_dns_packet (buffer, length); |
| if (strcmp (actual, expected) != 0) |
| { |
| support_record_failure (); |
| printf ("error: formatted packet does not match: %s\n", name); |
| support_run_diff ("expected", expected, |
| "actual", actual); |
| } |
| free (actual); |
| } |
| |
| static void |
| test_aaaa_length (void) |
| { |
| static const char packet[] = |
| /* Header: Response with two records. */ |
| "\x12\x34\x80\x00\x00\x01\x00\x02\x00\x00\x00\x00" |
| /* Question section. www.example/IN/AAAA. */ |
| "\x03www\x07""example\x00\x00\x1c\x00\x01" |
| /* Answer section. www.example AAAA [corrupted]. */ |
| "\xc0\x0c" |
| "\x00\x1c\x00\x01\x00\x00\x00\x00\x00\x10" |
| "\x20\x01\x0d\xb8\x05\x06\x07\x08" |
| "\x11\x12\x13\x14\x15\x16\x17\x18" |
| /* www.example AAAA [corrupted]. */ |
| "\xc0\x0c" |
| "\x00\x1c\x00\x01\x00\x00\x00\x00\x00\x11" |
| "\x01\x02\x03\x04\x05\x06\x07\x08" |
| "\x11\x12\x13\x14\x15\x16\x17\x18" "\xff"; |
| check_packet (packet, sizeof (packet) - 1, __func__, |
| "name: www.example\n" |
| "address: 2001:db8:506:708:1112:1314:1516:1718\n" |
| "error: AAAA record of size 17: www.example\n"); |
| } |
| |
| static void |
| test_multiple_cnames (void) |
| { |
| static const char packet[] = |
| /* Header: Response with three records. */ |
| "\x12\x34\x80\x00\x00\x01\x00\x03\x00\x00\x00\x00" |
| /* Question section. www.example/IN/A. */ |
| "\x03www\x07""example\x00\x00\x01\x00\x01" |
| /* Answer section. www.example CNAME www1.example. */ |
| "\xc0\x0c" |
| "\x00\x05\x00\x01\x00\x00\x00\x00\x00\x07" |
| "\x04www1\xc0\x10" |
| /* www1 CNAME www2. */ |
| "\x04www1\xc0\x10" |
| "\x00\x05\x00\x01\x00\x00\x00\x00\x00\x07" |
| "\x04www2\xc0\x10" |
| /* www2 A 192.0.2.1. */ |
| "\x04www2\xc0\x10" |
| "\x00\x01\x00\x01\x00\x00\x00\x00\x00\x04" |
| "\xc0\x00\x02\x01"; |
| check_packet (packet, sizeof (packet) - 1, __func__, |
| "name: www.example\n" |
| "name: www1.example\n" |
| "name: www2.example\n" |
| "address: 192.0.2.1\n"); |
| } |
| |
| static int |
| do_test (void) |
| { |
| test_aaaa_length (); |
| test_multiple_cnames (); |
| return 0; |
| } |
| |
| #include <support/test-driver.c> |
