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/* Test continue and merge NSS actions for getaddrinfo.
Copyright The GNU Toolchain Authors.
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 <dlfcn.h>
#include <gnu/lib-names.h>
#include <nss.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <support/check.h>
#include <support/format_nss.h>
#include <support/support.h>
#include <support/xstdio.h>
#include <support/xunistd.h>
enum
{
ACTION_MERGE = 0,
ACTION_CONTINUE,
};
static const char *
family_str (int family)
{
switch (family)
{
case AF_UNSPEC:
return "AF_UNSPEC";
case AF_INET:
return "AF_INET";
default:
__builtin_unreachable ();
}
}
static const char *
action_str (int action)
{
switch (action)
{
case ACTION_MERGE:
return "merge";
case ACTION_CONTINUE:
return "continue";
default:
__builtin_unreachable ();
}
}
static void
do_one_test (int action, int family, bool canon)
{
struct addrinfo hints =
{
.ai_family = family,
};
struct addrinfo *ai;
if (canon)
hints.ai_flags = AI_CANONNAME;
printf ("***** Testing \"files [SUCCESS=%s] files\" for family %s, %s\n",
action_str (action), family_str (family),
canon ? "AI_CANONNAME" : "");
int ret = getaddrinfo ("example.org", "80", &hints, &ai);
switch (action)
{
case ACTION_MERGE:
if (ret == 0)
{
char *formatted = support_format_addrinfo (ai, ret);
printf ("merge unexpectedly succeeded:\n %s\n", formatted);
support_record_failure ();
free (formatted);
break;
}
else
return;
case ACTION_CONTINUE:
{
char *formatted = support_format_addrinfo (ai, ret);
/* Verify that the result appears exactly once. */
const char *expected = "address: STREAM/TCP 192.0.0.1 80\n"
"address: DGRAM/UDP 192.0.0.1 80\n"
"address: RAW/IP 192.0.0.1 80\n";
const char *contains = strstr (formatted, expected);
const char *contains2 = NULL;
if (contains != NULL)
contains2 = strstr (contains + strlen (expected), expected);
if (contains == NULL || contains2 != NULL)
{
printf ("continue failed:\n%s\n", formatted);
support_record_failure ();
}
free (formatted);
break;
}
default:
__builtin_unreachable ();
}
}
static void
do_one_test_set (int action)
{
char buf[32];
snprintf (buf, sizeof (buf), "files [SUCCESS=%s] files",
action_str (action));
__nss_configure_lookup ("hosts", buf);
do_one_test (action, AF_UNSPEC, false);
do_one_test (action, AF_INET, false);
do_one_test (action, AF_INET, true);
}
static int
do_test (void)
{
do_one_test_set (ACTION_CONTINUE);
do_one_test_set (ACTION_MERGE);
return 0;
}
#include <support/test-driver.c>
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