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/* Test name resolution behavior for octal, hexadecimal IPv4 addresses.
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 <netdb.h>
#include <stdlib.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 void
run_query_addrinfo (const char *query, const char *address)
{
char *quoted_query = support_quote_string (query);
struct addrinfo *ai;
struct addrinfo hints =
{
.ai_socktype = SOCK_STREAM,
.ai_protocol = IPPROTO_TCP,
};
char *context = xasprintf ("getaddrinfo \"%s\" AF_INET", quoted_query);
char *expected = xasprintf ("address: STREAM/TCP %s 80\n", address);
hints.ai_family = AF_INET;
int ret = getaddrinfo (query, "80", &hints, &ai);
check_addrinfo (context, ai, ret, expected);
if (ret == 0)
freeaddrinfo (ai);
free (context);
context = xasprintf ("getaddrinfo \"%s\" AF_UNSPEC", quoted_query);
hints.ai_family = AF_UNSPEC;
ret = getaddrinfo (query, "80", &hints, &ai);
check_addrinfo (context, ai, ret, expected);
if (ret == 0)
freeaddrinfo (ai);
free (expected);
free (context);
context = xasprintf ("getaddrinfo \"%s\" AF_INET6", quoted_query);
expected = xasprintf ("flags: AI_V4MAPPED\n"
"address: STREAM/TCP ::ffff:%s 80\n",
address);
hints.ai_family = AF_INET6;
hints.ai_flags = AI_V4MAPPED;
ret = getaddrinfo (query, "80", &hints, &ai);
check_addrinfo (context, ai, ret, expected);
if (ret == 0)
freeaddrinfo (ai);
free (expected);
free (context);
free (quoted_query);
}
static void
run_query (const char *query, const char *address)
{
char *quoted_query = support_quote_string (query);
char *context = xasprintf ("gethostbyname (\"%s\")", quoted_query);
char *expected = xasprintf ("name: %s\n"
"address: %s\n", query, address);
check_hostent (context, gethostbyname (query), expected);
free (context);
context = xasprintf ("gethostbyname_r \"%s\"", quoted_query);
struct hostent storage;
char buf[4096];
struct hostent *e = NULL;
TEST_COMPARE (gethostbyname_r (query, &storage, buf, sizeof (buf),
&e, &h_errno), 0);
check_hostent (context, e, expected);
free (context);
context = xasprintf ("gethostbyname2 (\"%s\", AF_INET)", quoted_query);
check_hostent (context, gethostbyname2 (query, AF_INET), expected);
free (context);
context = xasprintf ("gethostbyname2_r \"%s\" AF_INET", quoted_query);
e = NULL;
TEST_COMPARE (gethostbyname2_r (query, AF_INET, &storage, buf, sizeof (buf),
&e, &h_errno), 0);
check_hostent (context, e, expected);
free (context);
free (expected);
free (quoted_query);
/* The gethostbyname tests are always valid for getaddrinfo, but not
vice versa. */
run_query_addrinfo (query, address);
}
static int
do_test (void)
{
struct resolv_test *aux = resolv_test_start
((struct resolv_redirect_config)
{
.response_callback = response,
});
run_query ("192.000.002.010", "192.0.2.8");
/* Hexadecimal numbers are not accepted by gethostbyname. */
run_query_addrinfo ("0xc0000210", "192.0.2.16");
run_query_addrinfo ("192.0x234", "192.0.2.52");
resolv_test_end (aux);
return 0;
}
#include <support/test-driver.c>
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