If adapter type is unknown and interface name is "ipsec", treat as VPN.

webrtc/rtc_base/network_unittest.cc

 /*
  *  Copyright 2004 The WebRTC Project Authors. All rights reserved.
  *
  *  Use of this source code is governed by a BSD-style license
  *  that can be found in the LICENSE file in the root of the source
  *  tree. An additional intellectual property rights grant can be found
  *  in the file PATENTS.  All contributing project authors may
  *  be found in the AUTHORS file in the root of the source tree.
  */
 
@@ skipping 824 matching lines @@
 
 // Test that the network type can be determined based on name matching in
 // a few cases. Note that UNKNOWN type for non-matching strings has been tested
 // in the above test.
 TEST_F(NetworkTest, TestGetAdapterTypeFromNameMatching) {
   std::string ipv6_address1 = "1000:2000:3000:4000:0:0:0:1";
   std::string ipv6_address2 = "1000:2000:3000:8000:0:0:0:1";
   std::string ipv6_mask = "FFFF:FFFF:FFFF:FFFF::";
   BasicNetworkManager manager;
 
-#if defined(WEBRTC_IOS)
-  char if_name[20] = "pdp_ip0";
+  // IPSec interface; name is in form "ipsec<index>".
+  char if_name[20] = "ipsec11";
   ifaddrs* addr_list =
       InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
+  EXPECT_EQ(ADAPTER_TYPE_VPN, GetAdapterType(manager));
+  ClearNetworks(manager);
+  ReleaseIfAddrs(addr_list);
 
+#if defined(WEBRTC_IOS)
+  strcpy(if_name, "pdp_ip0");
+  addr_list = InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
   EXPECT_EQ(ADAPTER_TYPE_CELLULAR, GetAdapterType(manager));
   ClearNetworks(manager);
   ReleaseIfAddrs(addr_list);
 
   strcpy(if_name, "en0");
   addr_list = InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
   EXPECT_EQ(ADAPTER_TYPE_WIFI, GetAdapterType(manager));
   ClearNetworks(manager);
   ReleaseIfAddrs(addr_list);
 
 #elif defined(WEBRTC_ANDROID)
-  char if_name[20] = "rmnet0";
-  ifaddrs* addr_list =
-      InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
-
+  strcpy(if_name, "rmnet0");
+  addr_list = InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
   EXPECT_EQ(ADAPTER_TYPE_CELLULAR, GetAdapterType(manager));
   ClearNetworks(manager);
   ReleaseIfAddrs(addr_list);
 
   strcpy(if_name, "wlan1");
   addr_list = InstallIpv6Network(if_name, ipv6_address2, ipv6_mask, manager);
   EXPECT_EQ(ADAPTER_TYPE_WIFI, GetAdapterType(manager));
   ClearNetworks(manager);
   ReleaseIfAddrs(addr_list);
 
   strcpy(if_name, "v4-rmnet_data0");
   addr_list = InstallIpv6Network(if_name, ipv6_address2, ipv6_mask, manager);
   EXPECT_EQ(ADAPTER_TYPE_CELLULAR, GetAdapterType(manager));
   ClearNetworks(manager);
   ReleaseIfAddrs(addr_list);
 #else
-  char if_name[20] = "wlan0";
-  ifaddrs* addr_list =
-      InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
+  // TODO(deadbeef): If not iOS or Android, "wlan0" should be treated as
+  // "unknown"? Why? This should be fixed if there's no good reason.
+  strcpy(if_name, "wlan0");
+  addr_list = InstallIpv6Network(if_name, ipv6_address1, ipv6_mask, manager);
 
   EXPECT_EQ(ADAPTER_TYPE_UNKNOWN, GetAdapterType(manager));
   ClearNetworks(manager);
   ReleaseIfAddrs(addr_list);
 #endif
 }
 #endif  // defined(WEBRTC_POSIX)
 
 #if defined(WEBRTC_LINUX) && !defined(WEBRTC_ANDROID)
 // If you want to test non-default routes, you can do the following on a linux
@@ skipping 251 matching lines @@
   // If the set default address is in a network, GetDefaultLocalAddress will
   // return the best IP in that network.
   manager.set_default_local_addresses(GetLoopbackIP(AF_INET), ip2);
   EXPECT_TRUE(manager.GetDefaultLocalAddress(AF_INET6, &ip));
   EXPECT_EQ(static_cast<IPAddress>(ip1), ip);
 
   manager.StopUpdating();
 }
 
 }  // namespace rtc