/* * ZeroTier One - Network Virtualization Everywhere * Copyright (C) 2011-2015 ZeroTier, 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 . * * -- * * ZeroTier may be used and distributed under the terms of the GPLv3, which * are available at: http://www.gnu.org/licenses/gpl-3.0.html * * If you would like to embed ZeroTier into a commercial application or * redistribute it in a modified binary form, please contact ZeroTier Networks * LLC. Start here: http://www.zerotier.com/ */ package com.zerotier.sdk; import android.util.Log; import com.zerotier.sdk.util.StringUtils; import java.net.InetSocketAddress; import java.util.ArrayList; import java.util.Arrays; import java.util.Collections; /** * Virtual network configuration * * Defined in ZeroTierOne.h as ZT_VirtualNetworkConfig */ public class VirtualNetworkConfig implements Comparable { private final static String TAG = "VirtualNetworkConfig"; public static final int MAX_MULTICAST_SUBSCRIPTIONS = 4096; public static final int ZT_MAX_ZT_ASSIGNED_ADDRESSES = 16; private final long nwid; private final long mac; private final String name; private final VirtualNetworkStatus status; private final VirtualNetworkType type; private final int mtu; private final boolean dhcp; private final boolean bridge; private final boolean broadcastEnabled; // // ANDROID-56: temporarily remove parameters to prevent crashing // // private final int portError; // // private final long netconfRevision; private final InetSocketAddress[] assignedAddresses; private final VirtualNetworkRoute[] routes; private final VirtualNetworkDNS dns; public VirtualNetworkConfig(long nwid, long mac, String name, VirtualNetworkStatus status, VirtualNetworkType type, int mtu, boolean dhcp, boolean bridge, boolean broadcastEnabled, InetSocketAddress[] assignedAddresses, VirtualNetworkRoute[] routes, VirtualNetworkDNS dns) { this.nwid = nwid; this.mac = mac; this.name = name; this.status = status; this.type = type; if (mtu < 0) { throw new RuntimeException("mtu < 0: " + mtu); } this.mtu = mtu; this.dhcp = dhcp; this.bridge = bridge; this.broadcastEnabled = broadcastEnabled; // this.portError = portError; // if (netconfRevision < 0) { // throw new RuntimeException("netconfRevision < 0: " + netconfRevision); // } // this.netconfRevision = netconfRevision; this.assignedAddresses = assignedAddresses; this.routes = routes; this.dns = dns; } @Override public String toString() { return "VirtualNetworkConfig(" + StringUtils.networkIdToString(nwid) + ", " + StringUtils.macAddressToString(mac) + ", " + name + ", " + status + ", " + type + ", " + mtu + ", " + dhcp + ", " + bridge + ", " + broadcastEnabled + ", " + Arrays.toString(assignedAddresses) + ", " + Arrays.toString(routes) + ", " + dns + ")"; } @Override public boolean equals(Object o) { if (!(o instanceof VirtualNetworkConfig)) { return false; } VirtualNetworkConfig cfg = (VirtualNetworkConfig) o; if (this.nwid != cfg.nwid) { Log.i(TAG, "NetworkID Changed. Old: " + StringUtils.networkIdToString(this.nwid) + " (" + this.nwid + "), " + "New: " + StringUtils.networkIdToString(cfg.nwid) + " (" + cfg.nwid + ")"); return false; } if (this.mac != cfg.mac) { Log.i(TAG, "MAC Changed. Old: " + StringUtils.macAddressToString(this.mac) + ", New: " + StringUtils.macAddressToString(cfg.mac)); return false; } if (!this.name.equals(cfg.name)) { Log.i(TAG, "Name Changed. Old: " + this.name + ", New: " + cfg.name); return false; } if (this.status != cfg.status) { Log.i(TAG, "Status Changed. Old: " + this.status + ", New: " + cfg.status); return false; } if (this.type != cfg.type) { Log.i(TAG, "Type changed. Old " + this.type + ", New: " + cfg.type); return false; } if (this.mtu != cfg.mtu) { Log.i(TAG, "MTU Changed. Old: " + this.mtu + ", New: " + cfg.mtu); return false; } if (this.dhcp != cfg.dhcp) { Log.i(TAG, "DHCP Flag Changed. Old: " + this.dhcp + ", New: " + cfg.dhcp); return false; } if (this.bridge != cfg.bridge) { Log.i(TAG, "Bridge Flag Changed. Old: " + this.bridge + ", New: " + cfg.bridge); return false; } if (this.broadcastEnabled != cfg.broadcastEnabled) { Log.i(TAG, "Broadcast Flag Changed. Old: "+ this.broadcastEnabled + ", New: " + cfg.broadcastEnabled); return false; } // if (this.portError != cfg.portError) { // Log.i(TAG, "Port Error Changed. Old: " + this.portError + ", New: " + cfg.portError); // // return false; // } // // if (this.netconfRevision != cfg.netconfRevision) { // Log.i(TAG, "NetConfRevision Changed. Old: " + this.netconfRevision + ", New: " + cfg.netconfRevision); // // return false; // } if (!Arrays.equals(assignedAddresses, cfg.assignedAddresses)) { ArrayList aaCurrent = new ArrayList<>(); ArrayList aaNew = new ArrayList<>(); for (InetSocketAddress s : assignedAddresses) { aaCurrent.add(s.toString()); } for (InetSocketAddress s : cfg.assignedAddresses) { aaNew.add(s.toString()); } Collections.sort(aaCurrent); Collections.sort(aaNew); Log.i(TAG, "Assigned Addresses Changed"); Log.i(TAG, "Old:"); for (String s : aaCurrent) { Log.i(TAG, " " + s); } Log.i(TAG, ""); Log.i(TAG, "New:"); for (String s : aaNew) { Log.i(TAG, " " +s); } Log.i(TAG, ""); return false; } if (!Arrays.equals(routes, cfg.routes)) { ArrayList rCurrent = new ArrayList<>(); ArrayList rNew = new ArrayList<>(); for (VirtualNetworkRoute r : routes) { rCurrent.add(r.toString()); } for (VirtualNetworkRoute r : cfg.routes) { rNew.add(r.toString()); } Collections.sort(rCurrent); Collections.sort(rNew); Log.i(TAG, "Managed Routes Changed"); Log.i(TAG, "Old:"); for (String s : rCurrent) { Log.i(TAG, " " + s); } Log.i(TAG, ""); Log.i(TAG, "New:"); for (String s : rNew) { Log.i(TAG, " " + s); } Log.i(TAG, ""); return false; } boolean dnsEquals; if (this.dns == null) { //noinspection RedundantIfStatement if (cfg.dns == null) { dnsEquals = true; } else { dnsEquals = false; } } else { if (cfg.dns == null) { dnsEquals = false; } else { dnsEquals = this.dns.equals(cfg.dns); } } if (!dnsEquals) { return false; } return true; } @Override public int compareTo(VirtualNetworkConfig cfg) { return Long.compare(this.nwid, cfg.nwid); } @Override public int hashCode() { int result = 17; result = 37 * result + (int) (nwid ^ (nwid >>> 32)); result = 37 * result + (int) (mac ^ (mac >>> 32)); result = 37 * result + name.hashCode(); result = 37 * result + status.hashCode(); result = 37 * result + type.hashCode(); result = 37 * result + mtu; result = 37 * result + (dhcp ? 1 : 0); result = 37 * result + (bridge ? 1 : 0); result = 37 * result + (broadcastEnabled ? 1 : 0); // result = 37 * result + portError; // result = 37 * result + (int) (netconfRevision ^ (netconfRevision >>> 32)); result = 37 * result + Arrays.hashCode(assignedAddresses); result = 37 * result + Arrays.hashCode(routes); result = 37 * result + (dns == null ? 0 : dns.hashCode()); return result; } /** * 64-bit ZeroTier network ID */ public long getNwid() { return nwid; } /** * Ethernet MAC (48 bits) that should be assigned to port */ public long getMac() { return mac; } /** * Network name (from network configuration master) */ public String getName() { return name; } /** * Network configuration request status */ public VirtualNetworkStatus getStatus() { return status; } /** * Network type */ public VirtualNetworkType getType() { return type; } /** * Maximum interface MTU */ public int getMtu() { return mtu; } /** * If the network this port belongs to indicates DHCP availability * *

This is a suggestion. The underlying implementation is free to ignore it * for security or other reasons. This is simply a netconf parameter that * means 'DHCP is available on this network.'

*/ public boolean isDhcp() { return dhcp; } /** * If this port is allowed to bridge to other networks * *

This is informational. If this is false, bridged packets will simply * be dropped and bridging won't work.

*/ public boolean isBridge() { return bridge; } /** * If true, this network supports and allows broadcast (ff:ff:ff:ff:ff:ff) traffic */ public boolean isBroadcastEnabled() { return broadcastEnabled; } /** * If the network is in PORT_ERROR state, this is the error most recently returned by the port config callback */ // public int getPortError() { // return portError; // } /** * Network config revision as reported by netconf master * *

If this is zero, it means we're still waiting for our netconf.

*/ // public long getNetconfRevision() { // return netconfRevision; // } /** * ZeroTier-assigned addresses (in {@link InetSocketAddress} objects) * * For IP, the port number of the sockaddr_XX structure contains the number * of bits in the address netmask. Only the IP address and port are used. * Other fields like interface number can be ignored. * * This is only used for ZeroTier-managed address assignments sent by the * virtual network's configuration master. */ public InetSocketAddress[] getAssignedAddresses() { return assignedAddresses; } /** * ZeroTier-assigned routes (in {@link VirtualNetworkRoute} objects) */ public VirtualNetworkRoute[] getRoutes() { return routes; } /** * Network specific DNS configuration */ public VirtualNetworkDNS getDns() { return dns; } }