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/* Basic test for two passwd databases.
Copyright (C) 2017-2025 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 <nss.h>
#include <pwd.h>
#include <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <support/support.h>
#include "nss_test.h"
/* The data in these tables is arbitrary, but the merged data based on
the first two tables will be compared against the expected data in
the pwd_expected table, and the tests[] array. */
static struct passwd pwd_table_1[] = {
PWD (100),
PWD (30),
PWD (200),
PWD (60),
PWD (20000),
PWD_LAST ()
};
static struct passwd pwd_table_2[] = {
PWD (5),
PWD_N(200, "name30"),
PWD (16),
PWD_LAST ()
};
void
_nss_test1_init_hook(test_tables *t)
{
t->pwd_table = pwd_table_1;
}
void
_nss_test2_init_hook(test_tables *t)
{
t->pwd_table = pwd_table_2;
}
static struct passwd pwd_expected[] = {
PWD(100),
PWD(30),
PWD(200),
PWD(60),
PWD(20000),
PWD(5),
PWD_N(200, "name30"),
PWD(16),
PWD_LAST ()
};
static struct {
uid_t uid;
const char *name;
} tests[] = {
{ 100, "name100" }, /* control, first db */
{ 16, "name16" }, /* second db */
{ 30, "name30" }, /* test overlaps in name */
{ 200, "name200" }, /* test overlaps uid */
{ 0, NULL }
};
static int
do_test (void)
{
int retval = 0;
int i;
__nss_configure_lookup ("passwd", "test1 test2");
setpwent ();
i = 0;
for (struct passwd *p = getpwent (); p != NULL; ++i, p = getpwent ())
{
retval += compare_passwds (i, & pwd_expected[i], p);
if (p->pw_uid != pwd_expected[i].pw_uid || strcmp (p->pw_name, pwd_expected[i].pw_name) != 0)
{
printf ("FAIL: getpwent for %u.%s returned %u.%s\n",
pwd_expected[i].pw_uid, pwd_expected[i].pw_name,
p->pw_uid, p->pw_name);
retval = 1;
break;
}
}
endpwent ();
for (i=0; tests[i].name; i++)
{
struct passwd *p = getpwnam (tests[i].name);
if (strcmp (p->pw_name, tests[i].name) != 0
|| p->pw_uid != tests[i].uid)
{
printf("FAIL: getpwnam for %u.%s returned %u.%s\n",
tests[i].uid, tests[i].name,
p->pw_uid, p->pw_name);
retval = 1;
}
p = getpwuid (tests[i].uid);
if (strcmp (p->pw_name, tests[i].name) != 0
|| p->pw_uid != tests[i].uid)
{
printf("FAIL: getpwuid for %u.%s returned %u.%s\n",
tests[i].uid, tests[i].name,
p->pw_uid, p->pw_name);
retval = 1;
}
}
return retval;
}
#include <support/test-driver.c>
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