fixing broken build

src/jailcheck/network.c

@@ -0,0 +1,56 @@
+/*
+ * 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");
+}
+
+
+