可以采用重定向
2.采用虚拟目录
前两个文件不用补
package com.file;import com.github.unidbg.AndroidEmulator;import com.github.unidbg.Emulator;import com.github.unidbg.file.FileResult;import com.github.unidbg.file.IOResolver;import com.github.unidbg.linux.android.AndroidEmulatorBuilder;import com.github.unidbg.linux.android.AndroidResolver;import com.github.unidbg.linux.android.dvm.DalvikModule;import com.github.unidbg.linux.android.dvm.DvmClass;import com.github.unidbg.linux.android.dvm.VM;import com.github.unidbg.linux.file.SimpleFileIO;import com.github.unidbg.memory.Memory;import java.io.File;import java.io.IOException;public class FileDemo{ private final AndroidEmulator emulator; private final DvmClass MainActivity; private final VM vm; public FileDemo() { emulator = AndroidEmulatorBuilder .for32Bit() //虚拟目录 .setRootDir(new File("unidbg-android/src/test/resources/FileDemo/VFS")) .build(); Memory memory = emulator.getMemory(); memory.setLibraryResolver(new AndroidResolver(23)); vm = emulator.createDalvikVM(new File("unidbg-android/src/test/resources/FileDemo/app-debug.apk")); // 打开日志 vm.setVerbose(true); // 在SO加载前添加文件重定位器 emulator.getSyscallHandler().addIOResolver(new MyIOResolver()); DalvikModule dm = vm.loadLibrary("fileinunidbg", true); MainActivity = vm.resolveClass("com/example/fileinunidbg/MainActivity"); dm.callJNI_OnLoad(emulator); } public void destroy() throws IOException { emulator.close(); } public void call(String pathName) { String methodSign = "stringFromJNI(Ljava/lang/String;)Ljava/lang/String;"; MainActivity.callStaticJniMethodObject(emulator, methodSign, pathName); } public static void main(String[] args) throws IOException { FileDemo fileDemo = new FileDemo(); String arg = "/data/user/0/com.example.fileinunidbg/files"; fileDemo.call(arg); // 运行结束后关闭 fileDemo.destroy(); }}package com.file;import com.github.unidbg.Emulator;import com.github.unidbg.file.FileResult;import com.github.unidbg.file.IOResolver;import com.github.unidbg.linux.file.ByteArrayFileIO;import com.github.unidbg.linux.file.DirectoryFileIO;import com.github.unidbg.linux.file.SimpleFileIO;import java.io.File;import java.nio.charset.StandardCharsets;public class MyIOResolver implements IOResolver { @Override public FileResult resolve(Emulator emulator, String pathname, int oflags) { System.out.println("lilac open file:"+pathname); if(pathname.equals("/data/user/0/com.example.fileinunidbg/files/key.txt")){ return FileResult.success(new SimpleFileIO(oflags, new File("unidbg-android/src/test/resources/FileDemo/key.txt"), pathname));// return FileResult.success(new ByteArrayFileIO(oflags, pathname, String.valueOf(System.currentTimeMillis()).getBytes(StandardCharsets.UTF_8)));// return null;// return FileResult.failed(13); }// // 返回对应的文件夹（目录文件）// if(pathname.equals("/data/user/0/com.example.fileinunidbg/files/demo2")){// return FileResult.success(new DirectoryFileIO(oflags, pathname,new File("unidbg-android/src/test/resources/FileDemo/demo2")))// return FileResult.success(new DirectoryFileIO(oflags, pathname, new DirectoryFileIO.DirectoryEntry(true, String.valueOf(System.currentTimeMillis())), new DirectoryFileIO.DirectoryEntry(true, "1234")));// }// if(pathname.equals("/data/user/0/com.example.fileinunidbg/files/demo2/1.txt")){// return FileResult.success(new SimpleFileIO(oflags, new File("unidbg-android/src/test/resources/FileDemo/demo2/1.txt"), pathname));// }// if(pathname.equals("/data/user/0/com.example.fileinunidbg/files/demo2/2.txt")){// return FileResult.success(new SimpleFileIO(oflags, new File("unidbg-android/src/test/resources/FileDemo/demo2/2.txt"), pathname));// }// if(pathname.equals("/data/user/0/com.example.fileinunidbg/files/demo2/3.txt")){// return FileResult.success(new SimpleFileIO(oflags, new File("unidbg-android/src/test/resources/FileDemo/demo2/3.txt"), pathname));// } return null; }}来源地址：https://blog.csdn.net/weixin_38927522/article/details/128085091
