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/*
* Copyright (C) 2014-2021 Firejail Authors
*
* This file is part of firejail project
*
* 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 2 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, write to the Free Software Foundation, Inc.,
* 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA.
*/
#include "jailcheck.h"
#include <netdb.h>
#include <arpa/inet.h>
#include <ifaddrs.h>
#include <net/if.h>
#include <linux/connector.h>
#include <linux/netlink.h>
#include <linux/if_link.h>
#include <linux/sockios.h>
#include <sys/ioctl.h>
void network_test(void) {
// I am root running in a network namespace
struct ifaddrs *ifaddr, *ifa;
int found = 0;
// walk through the linked list
if (getifaddrs(&ifaddr) == -1)
errExit("getifaddrs");
for (ifa = ifaddr; ifa != NULL; ifa = ifa->ifa_next) {
if (strcmp(ifa->ifa_name, "lo") == 0)
continue;
found = 1;
break;
}
freeifaddrs(ifaddr);
if (found)
printf(" Networking: enabled\n");
else
printf(" Networking: disabled\n");
}
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