| /* |
| * Copyright (C) 2014 The Android Open Source Project |
| * |
| * Licensed under the Apache License, Version 2.0 (the "License"); |
| * you may not use this file except in compliance with the License. |
| * You may obtain a copy of the License at |
| * |
| * http://www.apache.org/licenses/LICENSE-2.0 |
| * |
| * Unless required by applicable law or agreed to in writing, software |
| * distributed under the License is distributed on an "AS IS" BASIS, |
| * WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied. |
| * See the License for the specific language governing permissions and |
| * limitations under the License. |
| */ |
| |
| package android.net.cts; |
| |
| import android.system.ErrnoException; |
| import android.system.Os; |
| import android.system.OsConstants; |
| import android.system.StructStat; |
| import android.test.AndroidTestCase; |
| |
| import java.io.File; |
| import java.io.FileDescriptor; |
| import java.io.IOException; |
| |
| /** |
| * Tests for multinetwork sysctl functionality. |
| */ |
| public class MultinetworkSysctlTest extends SysctlBaseTest { |
| |
| // Global sysctls. Must be present and set to 1. |
| private static final String[] GLOBAL_SYSCTLS = { |
| "/proc/sys/net/ipv4/fwmark_reflect", |
| "/proc/sys/net/ipv6/fwmark_reflect", |
| "/proc/sys/net/ipv4/tcp_fwmark_accept", |
| }; |
| |
| // Per-interface IPv6 autoconf sysctls. |
| private static final String IPV6_SYSCTL_DIR = "/proc/sys/net/ipv6/conf"; |
| private static final String AUTOCONF_SYSCTL = "accept_ra_rt_table"; |
| |
| /** |
| * Checks that the sysctls for multinetwork kernel features are present and |
| * enabled. The necessary kernel commits are: |
| * |
| * Mainline Linux: |
| * e110861 net: add a sysctl to reflect the fwmark on replies |
| * 1b3c61d net: Use fwmark reflection in PMTU discovery. |
| * 84f39b0 net: support marking accepting TCP sockets |
| * |
| * Common Android tree (e.g., 3.10): |
| * a03f539 net: ipv6: autoconf routes into per-device tables |
| */ |
| public void testProcFiles() throws ErrnoException, IOException, NumberFormatException { |
| for (String sysctl : GLOBAL_SYSCTLS) { |
| int value = getIntValue(sysctl); |
| assertEquals(sysctl, 1, value); |
| } |
| |
| File[] interfaceDirs = new File(IPV6_SYSCTL_DIR).listFiles(); |
| for (File interfaceDir : interfaceDirs) { |
| if (interfaceDir.getName().equals("all") || interfaceDir.getName().equals("lo")) { |
| continue; |
| } |
| String sysctl = new File(interfaceDir, AUTOCONF_SYSCTL).getAbsolutePath(); |
| int value = getIntValue(sysctl); |
| assertLess(sysctl, value, 0); |
| } |
| } |
| } |