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resolv: Add tst-res_hnok
This commit is contained in:
Florian Weimer
parent
a19c0a1db5
commit
5c1a69238f
@ -1,3 +1,9 @@
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2017-11-11 Florian Weimer <fweimer@redhat.com>
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* resolv/tst-res_hnok.c: New file.
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* resolv/Makefile (tests): Add tst-res_hnok.
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(tst-res_hnok): Link against libresolv.
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2017-11-11 Florian Weimer <fweimer@redhat.com>
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* resolv/tst-resolv-network.c: Use test framework instead explicit
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@ -47,6 +47,7 @@ tests += \
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tst-ns_name \
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tst-ns_name_compress \
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tst-res_hconf_reorder \
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tst-res_hnok \
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tst-res_use_inet6 \
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tst-resolv-basic \
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tst-resolv-edns \
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@ -172,6 +173,7 @@ $(objpfx)tst-resolv-canonname: \
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$(objpfx)tst-ns_name: $(objpfx)libresolv.so
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$(objpfx)tst-ns_name.out: tst-ns_name.data
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$(objpfx)tst-ns_name_compress: $(objpfx)libresolv.so
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$(objpfx)tst-res_hnok: $(objpfx)libresolv.so
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# This test case uses the deprecated RES_USE_INET6 resolver option.
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153
resolv/tst-res_hnok.c
Normal file
153
resolv/tst-res_hnok.c
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@ -0,0 +1,153 @@
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/* Tests for res_hnok and related functions.
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Copyright (C) 2017 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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<http://www.gnu.org/licenses/>. */
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#include <array_length.h>
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#include <resolv.h>
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#include <string.h>
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#include <support/check.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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/* 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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unsigned int result; /* Combination of the *ok flags. */
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};
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static const struct test_case tests[] =
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{
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{ "", allok },
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{ ".", allok },
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{ "www", allnomailok },
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{ "example", allnomailok },
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{ "example.com", allok },
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{ "www.example.com", allok },
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{ "www.example.com.", allok },
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{ "*.example.com", dnok | mailok | ownok },
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{ "-v", dnok },
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{ "-v.example.com", mailok | dnok },
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{ "**.example.com", dnok | mailok },
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{ STRING63, allnomailok },
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{ STRING63 ".example.com", allok },
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{ STRING63 "." STRING63 "." STRING63 "." STRING60 "z", allok },
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{ "hostmaster@mail.example.com", dnok | mailok },
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{ "with whitespace", 0 },
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{ "with\twhitespace", 0 },
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{ "with\nwhitespace", 0 },
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{ "with.whitespace ", 0 },
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{ "with.whitespace\t", 0 },
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{ "with.whitespace\n", 0 },
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{ "with\\ whitespace", 0 },
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{ "with\\\twhitespace", 0 },
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{ "with\\\nwhitespace", 0 },
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{ "with.whitespace\\ ", 0 },
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{ "with.whitespace\\\t", 0 },
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{ "with.whitespace\\\n", 0 },
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};
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/* Run test case *TEST with FUNC (named FUNCNAME) and report an error
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if the result does not match the result flag at BIT. */
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static void
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one_test (const struct test_case *test, const char *funcname,
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int (*func) (const char *), unsigned int bit)
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{
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int expected = (test->result & bit) != 0;
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int actual = func (test->dn);
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if (actual != expected)
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{
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support_record_failure ();
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printf ("error: %s (\"%s\"): expected=%d, actual=%d\n",
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funcname, test->dn, expected, actual);
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}
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}
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/* Run 255 tests using all the bytes from 1 to 255, surround the byte
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with the strings PREFIX and SUFFIX, and check that FUNC (named
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FUNCNAME) accepts only those bytes listed in ACCEPTED. */
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static void
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one_char (const char *prefix, const char *accepted, const char *suffix,
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const char *funcname, int (*func) (const char *))
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{
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for (int ch = 1; ch <= 255; ++ch)
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{
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char dn[1024];
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snprintf (dn, sizeof (dn), "%s%c%s", prefix, ch, suffix);
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int expected = strchr (accepted, ch) != NULL;
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int actual = func (dn);
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if (actual != expected)
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{
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support_record_failure ();
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printf ("error: %s (\"%s\"): expected=%d, actual=%d\n",
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funcname, dn, expected, actual);
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}
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}
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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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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]]] (0x%x)\n",
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test->dn, test->result);
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one_test (test, "res_hnok", res_hnok, hnok);
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one_test (test, "res_dnok", res_dnok, dnok);
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one_test (test, "res_mailok", res_mailok, mailok);
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one_test (test, "res_ownok", res_ownok, ownok);
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}
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one_char
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("", "ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.",
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"", "res_hnok", res_hnok);
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one_char
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("middle",
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.-_",
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"suffix", "res_hnok", res_hnok);
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one_char
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("middle",
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.-_"
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"!\"#$%&'()*+,/:;<=>?@[\\]^`{|}~",
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"suffix.example", "res_mailok", res_mailok);
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one_char
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("mailbox.middle",
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"ABCDEFGHIJKLMNOPQRSTUVWXYZabcdefghijklmnopqrstuvwxyz0123456789.-_",
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"suffix.example", "res_mailok", res_mailok);
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return 0;
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}
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#include <support/test-driver.c>
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