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