mirror of git://sourceware.org/git/glibc.git
211 lines
6.9 KiB
C
211 lines
6.9 KiB
C
/* Tests for ns_name_pton.
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Copyright (C) 2017-2024 Free Software Foundation, Inc.
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This file is part of the GNU C Library.
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The GNU C Library is free software; you can redistribute it and/or
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modify it under the terms of the GNU Lesser General Public
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License as published by the Free Software Foundation; either
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version 2.1 of the License, or (at your option) any later version.
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The GNU C Library is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the GNU
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Lesser General Public License for more details.
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You should have received a copy of the GNU Lesser General Public
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License along with the GNU C Library; if not, see
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<https://www.gnu.org/licenses/>. */
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#include <arpa/nameser.h>
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#include <array_length.h>
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#include <stdbool.h>
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#include <stdio.h>
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#include <stdlib.h>
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#include <string.h>
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#include <support/check.h>
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#include <support/support.h>
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#include <support/test-driver.h>
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/* Bits which indicate which functions are supposed to report
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success. */
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enum
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{
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hnok = 1,
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dnok = 2,
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mailok = 4,
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ownok = 8,
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allnomailok = hnok | dnok | ownok,
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allok = hnok | dnok | mailok | ownok
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};
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/* A string of 60 characters. */
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#define STRING60 "zzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzzz"
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/* A string of 63 characters (maximum label length). */
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#define STRING63 STRING60 "zzz"
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/* A string of 60 bytes (non-ASCII). */
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#define STRING60OCT \
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"\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377" \
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"\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377" \
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"\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377\377" \
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"\377\377\377\377\377\377\377\377\377"
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/* A string of 63 bytes (non-ASCII). */
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#define STRING63OCT STRING60OCT "\377\377\377"
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/* A string of 60 bytes (non-ASCII, quoted decimal). */
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#define STRING60DEC \
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"\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \
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"\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \
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"\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \
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"\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \
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"\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255" \
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"\\255\\255\\255\\255\\255\\255\\255\\255\\255\\255"
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/* A string of 63 bytes (non-ASCII, quoted decimal). */
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#define STRING63DEC STRING60DEC "\\255\\255\\255"
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/* Combines a test name with the expected results. */
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struct test_case
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{
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const char *dn;
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const char *back; /* Expected test result converted using ns_name_ntop. */
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bool fully_qualified; /* True if the domain name has a trailing dot. */
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};
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static const struct test_case tests[] =
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{
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{ "", ".", false },
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{ ".", ".", true },
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{ "..", NULL, },
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{ "www", "www", false },
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{ "www.", "www", true },
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{ "www\\.", "www\\.", false },
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{ ".www", NULL, },
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{ ".www\\.", NULL, },
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{ "example.com", "example.com", false },
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{ "example.com.", "example.com", true },
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{ ".example.com", NULL, },
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{ ".example.com.", NULL, },
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{ "example\\.com", "example\\.com", false },
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{ "example\\.com.", "example\\.com", true },
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{ "example..", NULL, },
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{ "example..com", NULL, },
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{ "example..com", NULL, },
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{ "\\0", NULL, },
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{ "\\00", NULL, },
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{ "\\000", "\\000", false },
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{ "\\1", NULL, },
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{ "\\01", NULL, },
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{ "\\001", "\\001", false },
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{ "\\1x", NULL, },
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{ "\\01x", NULL, },
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{ "\\001x", "\\001x", false },
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{ "\\256", NULL, },
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{ "\\0641", "\\@1", false },
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{ "\\0011", "\\0011", false },
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{ STRING63, STRING63, false },
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{ STRING63 ".", STRING63, true },
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{ STRING63 "z", NULL, },
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{ STRING63 "\\.", NULL, },
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{ STRING60 "zz\\.", STRING60 "zz\\.", false },
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{ STRING60 "zz\\..", STRING60 "zz\\.", true },
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{ STRING63 "." STRING63 "." STRING63 "." STRING60 "z",
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STRING63 "." STRING63 "." STRING63 "." STRING60 "z", false },
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{ STRING63 "." STRING63 "." STRING63 "." STRING60 "z.",
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STRING63 "." STRING63 "." STRING63 "." STRING60 "z", true },
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{ STRING63 "." STRING63 "." STRING63 "." STRING60 "zz", NULL, },
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{ STRING63 "." STRING63 "." STRING63 "." STRING60 "zzz", NULL, },
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{ STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT "\377",
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STRING63DEC "." STRING63DEC "." STRING63DEC "." STRING60DEC "\\255",
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false },
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{ STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT "\377.",
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STRING63DEC "." STRING63DEC "." STRING63DEC "." STRING60DEC "\\255",
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true },
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{ STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT
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"\377\377", NULL, },
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{ STRING63OCT "." STRING63OCT "." STRING63OCT "." STRING60OCT
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"\377\377\377", NULL, },
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{ "\\", NULL, },
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{ "\\\\", "\\\\", false },
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{ "\\\\.", "\\\\", true },
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{ "\\\\\\", NULL, },
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{ "a\\", NULL, },
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{ "a.\\", NULL, },
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{ "a.b\\", NULL, },
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};
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static int
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do_test (void)
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{
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unsigned char *wire = xmalloc (NS_MAXCDNAME);
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char *text = xmalloc (NS_MAXDNAME);
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for (const struct test_case *test = tests; test < array_end (tests); ++test)
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{
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if (test_verbose)
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printf ("info: testing domain name [[[%s]]]\n", test->dn);
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int ret = ns_name_pton (test->dn, wire, NS_MAXCDNAME);
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if (ret == -1)
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{
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if (test->back != NULL)
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{
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support_record_failure ();
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printf ("error: unexpected decoding failure for [[%s]]\n",
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test->dn);
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}
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/* Otherwise, we have an expected decoding failure. */
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continue;
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}
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if (ret < -1 || ret > 1)
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{
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support_record_failure ();
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printf ("error: invalid return value %d for [[%s]]\n",
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ret, test->dn);
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continue;
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}
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int ret2 = ns_name_ntop (wire, text, NS_MAXDNAME);
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if (ret2 < 0)
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{
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support_record_failure ();
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printf ("error: failure to convert back [[%s]]\n", test->dn);
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}
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if (test->back == NULL)
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{
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support_record_failure ();
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printf ("error: unexpected success converting [[%s]]\n", test->dn);
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if (ret2 >= 1)
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printf ("error: result converts back to [[%s]]\n", test->dn);
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continue;
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}
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if (strcmp (text, test->back) != 0)
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{
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support_record_failure ();
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printf ("error: back-conversion of [[%s]] did not match\n",
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test->dn);
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printf ("error: expected: [[%s]]\n", test->back);
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printf ("error: actual: [[%s]]\n", text);
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}
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if (ret != test->fully_qualified)
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{
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support_record_failure ();
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printf ("error: invalid fully-qualified status for [[%s]]\n",
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test->dn);
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printf ("error: expected: %d\n", (int) test->fully_qualified);
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printf ("error: actual: %d\n", ret);
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}
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}
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free (text);
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free (wire);
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return 0;
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}
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#include <support/test-driver.c>
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