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/* Test group merging.
Copyright (C) 2017-2020 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 <stdio.h>
#include <stdlib.h>
#include <string.h>
#include <support/support.h>
#include "nss_test.h"
/* The name choices here are arbitrary, aside from the merge_1 list
needing to be an expected merge of group_1 and group_2. */
static const char *group_1[] = {
"foo", "bar", NULL
};
static const char *group_2[] = {
"foo", "dick", "harry", NULL
};
/* Note that deduplication is NOT supposed to happen. */
static const char *merge_1[] = {
"foo", "bar", "foo", "dick", "harry", NULL
};
static const char *group_4[] = {
"fred", "wilma", NULL
};
/* This is the data we're giving the service. */
static struct group group_table_data1[] = {
GRP_N(1, "name1", group_1),
GRP(2),
GRP_LAST ()
};
/* This is the data we're giving the service. */
static struct group group_table_data2[] = {
GRP_N(1, "name1", group_2),
GRP(4),
GRP_LAST ()
};
/* This is the data we compare against. */
static struct group group_table[] = {
GRP_N(1, "name1", merge_1),
GRP(2),
GRP(4),
GRP_LAST ()
};
void
_nss_test1_init_hook(test_tables *t)
{
t->grp_table = group_table_data1;
}
void
_nss_test2_init_hook(test_tables *t)
{
t->grp_table = group_table_data2;
}
static int
do_test (void)
{
int retval = 0;
int i;
struct group *g = NULL;
uintptr_t align_mask;
__nss_configure_lookup ("group", "test1 [SUCCESS=merge] test2");
align_mask = __alignof__ (struct group *) - 1;
setgrent ();
for (i = 0; group_table[i].gr_gid; ++i)
{
g = getgrgid (group_table[i].gr_gid);
if (g)
{
retval += compare_groups (i, g, & group_table[i]);
if ((uintptr_t)g & align_mask)
{
printf("FAIL: [%d] unaligned group %p\n", i, g);
++retval;
}
if ((uintptr_t)(g->gr_mem) & align_mask)
{
printf("FAIL: [%d] unaligned member list %p\n", i, g->gr_mem);
++retval;
}
}
else
{
printf ("FAIL: [%d] group %u.%s not found\n", i,
group_table[i].gr_gid, group_table[i].gr_name);
++retval;
}
}
endgrent ();
#define EXPECTED 0
if (retval == EXPECTED)
{
if (retval > 0)
printf ("PASS: Found %d expected errors\n", retval);
return 0;
}
else
{
printf ("FAIL: Found %d errors, expected %d\n", retval, EXPECTED);
return 1;
}
}
#include <support/test-driver.c>
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