| /* |
| * Copyright (C) 2013 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.os.cts; |
| |
| import android.system.OsConstants; |
| import android.system.ErrnoException; |
| import android.util.ArraySet; |
| |
| import com.android.compatibility.common.util.ReadElf; |
| |
| import java.io.File; |
| import java.io.IOException; |
| import java.util.Arrays; |
| |
| import junit.framework.TestCase; |
| |
| public class AbiTest extends TestCase { |
| public void testNo64() throws Exception { |
| ArraySet<String> abiDirs = new ArraySet<>(); |
| abiDirs.addAll(Arrays.asList( |
| "/sbin", |
| "/system", |
| "/vendor")); |
| String pathVar = System.getenv("PATH"); |
| if (pathVar != null) { |
| abiDirs.addAll(Arrays.asList(pathVar.split(":"))); |
| } |
| for (String dir : abiDirs) { |
| boolean skip_dir = false; |
| for (String dirOther : abiDirs) { |
| if (dir.equals(dirOther)) { |
| continue; |
| } else if (dir.startsWith(dirOther + "/")) { |
| skip_dir = true; |
| break; |
| } |
| } |
| if (!skip_dir) { |
| checkElfFilesInDirectory(new File(dir)); |
| } |
| } |
| } |
| |
| private void checkElfFilesInDirectory(File dir) throws Exception { |
| if (!dir.isDirectory()) { |
| return; |
| } |
| |
| if (isSymbolicLink(dir)) { |
| return; |
| } |
| |
| File[] files = dir.listFiles(); |
| if (files == null) { |
| return; |
| } |
| |
| for (File f : files) { |
| if (f.isDirectory()) { |
| checkElfFilesInDirectory(f); |
| } else if (f.getName().endsWith(".so") || f.canExecute()) { |
| ReadElf elf = null; |
| try { // TODO: switch to try-with-resources. |
| elf = ReadElf.read(f); |
| } catch (IllegalArgumentException ignored) { |
| // If it's not actually an ELF file, we don't care. |
| } catch (IOException ex) { |
| Throwable cause = ex.getCause(); |
| if (cause instanceof ErrnoException) { |
| // if we are denied access to the file, ignore. |
| if (((ErrnoException) cause).errno != OsConstants.EACCES) { |
| throw ex; |
| } |
| } |
| } finally { |
| if (elf != null) { |
| elf.close(); |
| } |
| } |
| } |
| } |
| } |
| |
| private static boolean isSymbolicLink(File f) throws Exception { |
| return !f.getAbsolutePath().equals(f.getCanonicalPath()); |
| } |
| } |