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/*
* Copyright (C) 2015 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 com.android.internal.net;
import static android.system.OsConstants.AF_INET;
import static android.system.OsConstants.AF_INET6;
import static android.system.OsConstants.AF_UNIX;
import static android.system.OsConstants.EPERM;
import static android.system.OsConstants.SOCK_DGRAM;
import static android.system.OsConstants.SOCK_STREAM;
import static junit.framework.Assert.assertEquals;
import static org.junit.Assert.fail;
import android.os.Build;
import android.system.ErrnoException;
import android.system.Os;
import androidx.test.filters.SmallTest;
import com.android.testutils.DevSdkIgnoreRule;
import com.android.testutils.DevSdkIgnoreRunner;
import libcore.io.IoUtils;
import org.junit.Test;
import org.junit.runner.RunWith;
@RunWith(DevSdkIgnoreRunner.class)
@SmallTest
@DevSdkIgnoreRule.IgnoreUpTo(Build.VERSION_CODES.R)
public class NetworkUtilsInternalTest {
private static void expectSocketSuccess(String msg, int domain, int type) {
try {
IoUtils.closeQuietly(Os.socket(domain, type, 0));
} catch (ErrnoException e) {
fail(msg + e.getMessage());
}
}
private static void expectSocketPemissionError(String msg, int domain, int type) {
try {
IoUtils.closeQuietly(Os.socket(domain, type, 0));
fail(msg);
} catch (ErrnoException e) {
assertEquals(msg, e.errno, EPERM);
}
}
private static void expectHasNetworking() {
expectSocketSuccess("Creating a UNIX socket should not have thrown ErrnoException",
AF_UNIX, SOCK_STREAM);
expectSocketSuccess("Creating a AF_INET socket shouldn't have thrown ErrnoException",
AF_INET, SOCK_DGRAM);
expectSocketSuccess("Creating a AF_INET6 socket shouldn't have thrown ErrnoException",
AF_INET6, SOCK_DGRAM);
}
private static void expectNoNetworking() {
expectSocketSuccess("Creating a UNIX socket should not have thrown ErrnoException",
AF_UNIX, SOCK_STREAM);
expectSocketPemissionError(
"Creating a AF_INET socket should have thrown ErrnoException(EPERM)",
AF_INET, SOCK_DGRAM);
expectSocketPemissionError(
"Creating a AF_INET6 socket should have thrown ErrnoException(EPERM)",
AF_INET6, SOCK_DGRAM);
}
@Test
public void testSetAllowNetworkingForProcess() {
expectHasNetworking();
NetworkUtilsInternal.setAllowNetworkingForProcess(false);
expectNoNetworking();
NetworkUtilsInternal.setAllowNetworkingForProcess(true);
expectHasNetworking();
}
}
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