mirror of
https://sourceware.org/git/glibc.git
synced 2024-11-30 05:03:46 +08:00
70 lines
2.1 KiB
C
70 lines
2.1 KiB
C
/* Test host lookup with double dots at the end, [BZ #16469].
|
|
Copyright (C) 2014-2023 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 <sys/types.h>
|
|
#include <sys/socket.h>
|
|
#include <netdb.h>
|
|
#include <stdio.h>
|
|
#include <string.h>
|
|
|
|
static int
|
|
test (void)
|
|
{
|
|
static char host1[] = "localhost..";
|
|
static char host2[] = "www.gnu.org..";
|
|
static char *hosts[] = { host1, host2 };
|
|
int i;
|
|
int pass = 0;
|
|
|
|
for (i = 0; i < sizeof (hosts) / sizeof (*hosts); i++)
|
|
{
|
|
char *host = hosts[i];
|
|
size_t len = strlen (host);
|
|
struct addrinfo *ai;
|
|
|
|
/* If the name doesn't resolve with a single dot at the
|
|
end, skip it. */
|
|
host[len-1] = 0;
|
|
if (getaddrinfo (host, NULL, NULL, &ai) != 0)
|
|
{
|
|
printf ("resolving \"%s\" failed, skipping this hostname\n", host);
|
|
continue;
|
|
}
|
|
printf ("resolving \"%s\" worked, proceeding to test\n", host);
|
|
freeaddrinfo (ai);
|
|
|
|
/* If it resolved with a single dot, check that it doesn't with
|
|
a second trailing dot. */
|
|
host[len-1] = '.';
|
|
if (getaddrinfo (host, NULL, NULL, &ai) == 0)
|
|
{
|
|
printf ("resolving \"%s\" worked, test failed\n", host);
|
|
return 1;
|
|
}
|
|
printf ("resolving \"%s\" failed, test passed\n", host);
|
|
pass = 1;
|
|
}
|
|
|
|
/* We want at least one successful name resolution for the test to
|
|
succeed. */
|
|
return pass ? 0 : 2;
|
|
}
|
|
|
|
#define TEST_FUNCTION test ()
|
|
#include "../test-skeleton.c"
|