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/*
Helper program to test if innetgr() is thread-safe
Authors:
Sumit Bose <sbose@redhat.com>
Copyright (c) 2021 Red Hat, Inc.
This program is free software; you can redistribute it and/or modify
it under the terms of the GNU General Public License as published by
the Free Software Foundation; either version 3 of the License, or
(at your option) any later version.
This program 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 General Public License for more details.
You should have received a copy of the GNU General Public License
along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <stdbool.h>
#include <pthread.h>
#include <pwd.h>
#include <grp.h>
#include <netdb.h>
#include <unistd.h>
#include <sys/types.h>
struct data {
const char *group;
const char *host;
const char *user;
const char *domain;
bool *failed;
};
static void *full_netgroup(void *arg)
{
int ret;
size_t c = 0;
struct data *data = arg;
do {
ret = innetgr(data->group, data->host, data->user, data->domain);
if (ret != 1) {
*(data->failed) = true;
}
c++;
} while (!*(data->failed) && c<100000);
pthread_exit(NULL);
}
int main()
{
pthread_t thread[2];
bool failed[2] = {false, false};
struct data data[3] = {{"ng1", "host1", "user924", "domain1", &failed[0]},
{"ng2", "host2", "user925", "domain2", &failed[1]},
{NULL, NULL, NULL, NULL, NULL}};
pthread_create(&thread[0], NULL, full_netgroup, &data[0]);
pthread_create(&thread[1], NULL, full_netgroup, &data[1]);
pthread_join(thread[1], NULL);
pthread_join(thread[0], NULL);
if (failed[0] || failed[1]) {
printf ("Test failed.\n");
return 1;
}
return 0;
}
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