| /* Tests for ns_name_pton. |
| Copyright (C) 2017-2018 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 <arpa/nameser.h> |
| #include <array_length.h> |
| #include <stdbool.h> |
| #include <stdio.h> |
| #include <stdlib.h> |
| #include <string.h> |
| #include <support/check.h> |
| #include <support/support.h> |
| #include <support/test-driver.h> |
| |
| /* Bits which indicate which functions are supposed to report |
| success. */ |
| enum |
| { |
| hnok = 1, |
| dnok = 2, |
| mailok = 4, |
| ownok = 8, |
| allnomailok = hnok | dnok | ownok, |
| allok = hnok | dnok | mailok | ownok |
| }; |
| |
| /* A string of 60 characters. */ |
| #define STRING60 "zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz" |
| |
| /* A string of 63 characters (maximum label length). */ |
| #define STRING63 STRING60 "zzz" |
| |
| /* A string of 60 bytes (non-ASCII). */ |
| #define STRING60OCT \ |
| "\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377" \ |
| "\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377" \ |
| "\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377" \ |
| "\377\377\377\377\377\377\377\377\377" |
| |
| /* A string of 63 bytes (non-ASCII). */ |
| #define STRING63OCT STRING60OCT "\377\377\377" |
| |
| /* A string of 60 bytes (non-ASCII, quoted decimal). */ |
| #define STRING60DEC \ |
| "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \ |
| "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \ |
| "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \ |
| "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \ |
| "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \ |
| "\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" |
| |
| /* A string of 63 bytes (non-ASCII, quoted decimal). */ |
| #define STRING63DEC STRING60DEC "\\255\\255\\255" |
| |
| /* Combines a test name with the expected results. */ |
| struct test_case |
| { |
| const char *dn; |
| const char *back; /* Expected test result converted using ns_name_ntop. */ |
| bool fully_qualified; /* True if the domain name has a trailing dot. */ |
| }; |
| |
| static const struct test_case tests[] = |
| { |
| { "", ".", false }, |
| { ".", ".", true }, |
| { "..", NULL, }, |
| { "www", "www", false }, |
| { "www.", "www", true }, |
| { "www\\.", "www\\.", false }, |
| { ".www", NULL, }, |
| { ".www\\.", NULL, }, |
| { "example.com", "example.com", false }, |
| { "example.com.", "example.com", true }, |
| { ".example.com", NULL, }, |
| { ".example.com.", NULL, }, |
| { "example\\.com", "example\\.com", false }, |
| { "example\\.com.", "example\\.com", true }, |
| { "example..", NULL, }, |
| { "example..com", NULL, }, |
| { "example..com", NULL, }, |
| { "\\0", NULL, }, |
| { "\\00", NULL, }, |
| { "\\000", "\\000", false }, |
| { "\\1", NULL, }, |
| { "\\01", NULL, }, |
| { "\\001", "\\001", false }, |
| { "\\1x", NULL, }, |
| { "\\01x", NULL, }, |
| { "\\001x", "\\001x", false }, |
| { "\\256", NULL, }, |
| { "\\0641", "\\@1", false }, |
| { "\\0011", "\\0011", false }, |
| { STRING63, STRING63, false }, |
| { STRING63 ".", STRING63, true }, |
| { STRING63 "z", NULL, }, |
| { STRING63 "\\.", NULL, }, |
| { STRING60 "zz\\.", STRING60 "zz\\.", false }, |
| { STRING60 "zz\\..", STRING60 "zz\\.", true }, |
| { STRING63 "." STRING63 "." STRING63 "." STRING60 "z", |
| STRING63 "." STRING63 "." STRING63 "." STRING60 "z", false }, |
| { STRING63 "." STRING63 "." STRING63 "." STRING60 "z.", |
| STRING63 "." STRING63 "." STRING63 "." STRING60 "z", true }, |
| { STRING63 "." STRING63 "." STRING63 "." STRING60 "zz", NULL, }, |
| { STRING63 "." STRING63 "." STRING63 "." STRING60 "zzz", NULL, }, |
| { STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT "\377", |
| STRING63DEC "." STRING63DEC "." STRING63DEC "." STRING60DEC "\\255", |
| false }, |
| { STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT "\377.", |
| STRING63DEC "." STRING63DEC "." STRING63DEC "." STRING60DEC "\\255", |
| true }, |
| { STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT |
| "\377\377", NULL, }, |
| { STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT |
| "\377\377\377", NULL, }, |
| { "\\", NULL, }, |
| { "\\\\", "\\\\", false }, |
| { "\\\\.", "\\\\", true }, |
| { "\\\\\\", NULL, }, |
| { "a\\", NULL, }, |
| { "a.\\", NULL, }, |
| { "a.b\\", NULL, }, |
| }; |
| |
| static int |
| do_test (void) |
| { |
| unsigned char *wire = xmalloc (NS_MAXCDNAME); |
| char *text = xmalloc (NS_MAXDNAME); |
| for (const struct test_case *test = tests; test < array_end (tests); ++test) |
| { |
| if (test_verbose) |
| printf ("info: testing domain name [[[%s]]]\n", test->dn); |
| int ret = ns_name_pton (test->dn, wire, NS_MAXCDNAME); |
| if (ret == -1) |
| { |
| if (test->back != NULL) |
| { |
| support_record_failure (); |
| printf ("error: unexpected decoding failure for [[%s]]\n", |
| test->dn); |
| } |
| /* Otherwise, we have an expected decoding failure. */ |
| continue; |
| } |
| |
| if (ret < -1 || ret > 1) |
| { |
| support_record_failure (); |
| printf ("error: invalid return value %d for [[%s]]\n", |
| ret, test->dn); |
| continue; |
| } |
| |
| int ret2 = ns_name_ntop (wire, text, NS_MAXDNAME); |
| |
| if (ret2 < 0) |
| { |
| support_record_failure (); |
| printf ("error: failure to convert back [[%s]]\n", test->dn); |
| } |
| |
| if (test->back == NULL) |
| { |
| support_record_failure (); |
| printf ("error: unexpected success converting [[%s]]\n", test->dn); |
| if (ret2 >= 1) |
| printf ("error: result converts back to [[%s]]\n", test->dn); |
| continue; |
| } |
| |
| if (strcmp (text, test->back) != 0) |
| { |
| support_record_failure (); |
| printf ("error: back-conversion of [[%s]] did not match\n", |
| test->dn); |
| printf ("error: expected: [[%s]]\n", test->back); |
| printf ("error: actual: [[%s]]\n", text); |
| } |
| |
| if (ret != test->fully_qualified) |
| { |
| support_record_failure (); |
| printf ("error: invalid fully-qualified status for [[%s]]\n", |
| test->dn); |
| printf ("error: expected: %d\n", (int) test->fully_qualified); |
| printf ("error: actual: %d\n", ret); |
| } |
| } |
| |
| free (text); |
| free (wire); |
| return 0; |
| } |
| |
| #include <support/test-driver.c> |
