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137 lines
4.1 KiB
C
137 lines
4.1 KiB
C
/* Test name resolution behavior with trailing characters.
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Copyright (C) 2019-2025 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 <array_length.h>
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#include <netdb.h>
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#include <support/check.h>
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#include <support/check_nss.h>
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#include <support/resolv_test.h>
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#include <support/support.h>
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static void
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response (const struct resolv_response_context *ctx,
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struct resolv_response_builder *b,
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const char *qname, uint16_t qclass, uint16_t qtype)
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{
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/* The tests are not supposed send any DNS queries. */
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FAIL_EXIT1 ("unexpected DNS query for %s/%d/%d", qname, qclass, qtype);
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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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struct resolv_test *aux = resolv_test_start
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((struct resolv_redirect_config)
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{
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.response_callback = response,
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});
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static const char *const queries[] =
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{
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"192.0.2.1 ",
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"192.0.2.2\t",
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"192.0.2.3\n",
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"192.0.2.4 X",
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"192.0.2.5\tY",
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"192.0.2.6\nZ",
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"192.0.2. ",
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"192.0.2.\t",
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"192.0.2.\n",
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"192.0.2. X",
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"192.0.2.\tY",
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"192.0.2.\nZ",
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"2001:db8::1 ",
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"2001:db8::2\t",
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"2001:db8::3\n",
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"2001:db8::4 X",
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"2001:db8::5\tY",
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"2001:db8::6\nZ",
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};
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for (size_t query_idx = 0; query_idx < array_length (queries); ++query_idx)
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{
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const char *query = queries[query_idx];
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struct hostent storage;
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char buf[4096];
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struct hostent *e;
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h_errno = 0;
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TEST_VERIFY (gethostbyname (query) == NULL);
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TEST_COMPARE (h_errno, HOST_NOT_FOUND);
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h_errno = 0;
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e = NULL;
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TEST_COMPARE (gethostbyname_r (query, &storage, buf, sizeof (buf),
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&e, &h_errno), 0);
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TEST_VERIFY (e == NULL);
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TEST_COMPARE (h_errno, HOST_NOT_FOUND);
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h_errno = 0;
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TEST_VERIFY (gethostbyname2 (query, AF_INET) == NULL);
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TEST_COMPARE (h_errno, HOST_NOT_FOUND);
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h_errno = 0;
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e = NULL;
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TEST_COMPARE (gethostbyname2_r (query, AF_INET,
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&storage, buf, sizeof (buf),
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&e, &h_errno), 0);
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TEST_VERIFY (e == NULL);
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TEST_COMPARE (h_errno, HOST_NOT_FOUND);
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h_errno = 0;
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TEST_VERIFY (gethostbyname2 (query, AF_INET6) == NULL);
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TEST_COMPARE (h_errno, HOST_NOT_FOUND);
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h_errno = 0;
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e = NULL;
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TEST_COMPARE (gethostbyname2_r (query, AF_INET6,
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&storage, buf, sizeof (buf),
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&e, &h_errno), 0);
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TEST_VERIFY (e == NULL);
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TEST_COMPARE (h_errno, HOST_NOT_FOUND);
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static const int gai_flags[] =
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{
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0,
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AI_ADDRCONFIG,
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AI_NUMERICHOST,
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AI_IDN,
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AI_IDN | AI_NUMERICHOST,
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AI_V4MAPPED,
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AI_V4MAPPED | AI_NUMERICHOST,
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};
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for (size_t gai_flags_idx = 0; gai_flags_idx < array_length (gai_flags);
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++gai_flags_idx)
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{
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struct addrinfo hints = { .ai_flags = gai_flags[gai_flags_idx], };
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struct addrinfo *ai;
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hints.ai_family = AF_INET;
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TEST_COMPARE (getaddrinfo (query, "80", &hints, &ai), EAI_NONAME);
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hints.ai_family = AF_INET6;
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TEST_COMPARE (getaddrinfo (query, "80", &hints, &ai), EAI_NONAME);
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hints.ai_family = AF_UNSPEC;
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TEST_COMPARE (getaddrinfo (query, "80", &hints, &ai), EAI_NONAME);
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}
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};
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resolv_test_end (aux);
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return 0;
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}
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#include <support/test-driver.c>
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