Only allow temporary IPv6 address.

content/renderer/p2p/ipc_network_manager.cc

 // Copyright (c) 2012 The Chromium Authors. All rights reserved.
 // Use of this source code is governed by a BSD-style license that can be
 // found in the LICENSE file.
 
 #include "content/renderer/p2p/ipc_network_manager.h"
 #include <string>
 #include "base/bind.h"
 #include "base/command_line.h"
 #include "base/metrics/histogram.h"
 #include "base/sys_byteorder.h"
@@ skipping 70 matching lines @@
       memcpy(&address, &it->address[0], sizeof(uint32));
       address = rtc::NetworkToHost32(address);
       rtc::IPAddress prefix =
           rtc::TruncateIP(rtc::IPAddress(address), it->prefix_length);
       rtc::Network* network =
           new rtc::Network(it->name, it->name, prefix, it->prefix_length,
                            ConvertConnectionTypeToAdapterType(it->type));
       network->AddIP(rtc::IPAddress(address));
       networks.push_back(network);
     } else if (it->address.size() == net::kIPv6AddressSize) {
+
+      // Only allow temporary non-deprecated address to ensure the MAC is not
+      // included in the address.
+      if (!(it->ip_address_attributes & net::IP_ADDRESS_ATTRIBUTE_TEMPORARY) ||
+          (it->ip_address_attributes & net::IP_ADDRESS_ATTRIBUTE_DEPRECATED)) {
+        continue;
+      }
+
       in6_addr address;
       memcpy(&address, &it->address[0], sizeof(in6_addr));
       rtc::IPAddress ip6_addr(address);
       if (!rtc::IPIsPrivate(ip6_addr)) {
         rtc::IPAddress prefix =
             rtc::TruncateIP(rtc::IPAddress(ip6_addr), it->prefix_length);
         rtc::Network* network =
             new rtc::Network(it->name, it->name, prefix, it->prefix_length,
                              ConvertConnectionTypeToAdapterType(it->type));
         network->AddIP(ip6_addr);
@@ skipping 30 matching lines @@
                            stats.ipv4_network_count);
   UMA_HISTOGRAM_COUNTS_100("WebRTC.PeerConnection.IPv6Interfaces",
                            stats.ipv6_network_count);
 }
 
 void IpcNetworkManager::SendNetworksChangedSignal() {
   SignalNetworksChanged();
 }
 
 }  // namespace content