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// Copyright 2014 The Bazel Authors. All rights reserved.
//
// 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.google.devtools.build.lib.sandbox;
import com.google.devtools.build.lib.actions.ExecutionStrategy;
import com.google.devtools.build.lib.actions.SpawnActionContext;
import com.google.devtools.build.lib.exec.AbstractSpawnStrategy;
import com.google.devtools.build.lib.exec.SpawnRunner;
import com.google.devtools.build.lib.runtime.CommandEnvironment;
import com.google.devtools.build.lib.vfs.FileSystemUtils;
import com.google.devtools.build.lib.vfs.Path;
import java.io.IOException;
/** Strategy that uses sandboxing to execute a process. */
// TODO(ulfjack): This class only exists for this annotation. Find a better way to handle this!
@ExecutionStrategy(
name = {"sandboxed", "linux-sandbox"},
contextType = SpawnActionContext.class
)
public final class LinuxSandboxedStrategy extends AbstractSpawnStrategy {
LinuxSandboxedStrategy(SpawnRunner spawnRunner) {
super(spawnRunner);
}
@Override
public String toString() {
return "sandboxed";
}
static LinuxSandboxedSpawnRunner create(
CommandEnvironment cmdEnv, Path sandboxBase, String productName, int timeoutGraceSeconds)
throws IOException {
Path inaccessibleHelperFile = sandboxBase.getRelative("inaccessibleHelperFile");
FileSystemUtils.touchFile(inaccessibleHelperFile);
inaccessibleHelperFile.setReadable(false);
inaccessibleHelperFile.setWritable(false);
inaccessibleHelperFile.setExecutable(false);
Path inaccessibleHelperDir = sandboxBase.getRelative("inaccessibleHelperDir");
inaccessibleHelperDir.createDirectory();
inaccessibleHelperDir.setReadable(false);
inaccessibleHelperDir.setWritable(false);
inaccessibleHelperDir.setExecutable(false);
return new LinuxSandboxedSpawnRunner(
cmdEnv,
sandboxBase,
productName,
inaccessibleHelperFile,
inaccessibleHelperDir,
timeoutGraceSeconds);
}
}
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