127 lines
4.2 KiB
Java
127 lines
4.2 KiB
Java
/*
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Copyright 2019-2020 Dmitry Isaenko
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This file is part of NS-USBloader.
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NS-USBloader is free software: you can redistribute it and/or modify
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it under the terms of the GNU General Public License as published by
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the Free Software Foundation, either version 3 of the License, or
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(at your option) any later version.
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NS-USBloader is distributed in the hope that it will be useful,
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but WITHOUT ANY WARRANTY; without even the implied warranty of
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MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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GNU General Public License for more details.
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You should have received a copy of the GNU General Public License
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along with NS-USBloader. If not, see <https://www.gnu.org/licenses/>.
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*/
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package nsusbloader.Utilities;
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import java.io.File;
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import java.io.FileOutputStream;
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import java.io.IOException;
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import java.io.InputStream;
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import java.net.URISyntaxException;
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import java.net.URL;
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public class JNIRcmLoader {
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private JNIRcmLoader(){}
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public static boolean load(){
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String osName = System.getProperty("os.name").toLowerCase().replace(" ", "");
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String osArch = System.getProperty("os.arch").toLowerCase().replace(" ", "");
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String libPostfix;
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if (osName.equals("linux")){
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switch (osArch){
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case "i386":
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case "i586":
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case "i686":
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osArch = "x86";
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break;
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case "x86_64":
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case "amd64":
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osArch = "amd64";
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break;
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case "arm":
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osArch = "arm";
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break;
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default:
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return false;
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}
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libPostfix = "so";
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}
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else if (osName.contains("windows")){
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osName = "windows";
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libPostfix = "dll";
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switch (osArch){
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case "x86":
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case "i386":
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case "i586":
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case "i686":
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osArch = "x86";
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break;
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case "x86_64":
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case "amd64":
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osArch = "amd64";
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break;
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default:
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return false;
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}
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}
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else
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return false;
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final URL url_ = RcmSmash.class.getResource("/native/"+osName+"/"+osArch+"/smashlib."+libPostfix);
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if (url_ == null)
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return false;
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String proto = url_.getProtocol();
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File libraryFile;
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if (proto.equals("file")){
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// We can pick file from disk as is.
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try {
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libraryFile = new File(url_.toURI());
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}
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catch (URISyntaxException e){
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e.printStackTrace();
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return false;
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}
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}
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else if (proto.equals("jar")){
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// We have to export file to temp dir.
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InputStream inStream = RcmSmash.class.getResourceAsStream("/native/"+osName+"/"+osArch+"/smashlib."+libPostfix);
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if (inStream == null)
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return false;
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// Create temp folder
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try{
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File tmpDirFile = File.createTempFile("jni", null);
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if (! tmpDirFile.delete())
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return false;
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if (! tmpDirFile.mkdirs())
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return false;
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libraryFile = new File(tmpDirFile, "smashlib."+libPostfix);
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byte[] ioBuffer = new byte[8192];
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FileOutputStream foStream = new FileOutputStream(libraryFile);
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while (inStream.read(ioBuffer) != -1)
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foStream.write(ioBuffer);
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foStream.close();
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inStream.close();
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libraryFile.deleteOnExit();
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tmpDirFile.deleteOnExit();
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}
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catch (IOException ioe){
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ioe.printStackTrace();
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return false;
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}
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}
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else
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return false;
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//System.out.println("LIB LOCATION: "+libraryFile);
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System.load(libraryFile.getAbsolutePath());
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//System.out.println("LIB LOADED");
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return true;
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}
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}
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