524 lines
22 KiB
Java
524 lines
22 KiB
Java
/*
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Copyright 2019-2020 Dmitry Isaenko, DarkMatterCore
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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.nxdumptool;
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import nsusbloader.com.usb.UsbErrorCodes;
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import nsusbloader.com.usb.common.DeviceInformation;
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import nsusbloader.com.usb.common.NsUsbEndpointDescriptor;
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import nsusbloader.ModelControllers.ILogPrinter;
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import nsusbloader.NSLDataTypes.EMsgType;
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import org.usb4java.DeviceHandle;
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import org.usb4java.LibUsb;
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import java.io.*;
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import java.nio.ByteBuffer;
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import java.nio.ByteOrder;
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import java.nio.IntBuffer;
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import java.nio.charset.StandardCharsets;
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import java.nio.file.Files;
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import java.nio.file.Path;
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import java.nio.file.Paths;
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import java.util.Arrays;
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class NxdtUsbAbi1 {
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private final ILogPrinter logPrinter;
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private final DeviceHandle handlerNS;
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private final String saveToPath;
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private final NxdtTask parent;
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private final boolean isWindows;
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private boolean isWindows10;
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private static final int NXDT_MAX_DIRECTIVE_SIZE = 0x800000;//0x1000;
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private static final int NXDT_FILE_CHUNK_SIZE = 0x800000;
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private static final int NXDT_FILE_PROPERTIES_MAX_NAME_LENGTH = 0x300;
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private static final byte ABI_VERSION = 1;
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private static final byte[] MAGIC_NXDT = { 0x4e, 0x58, 0x44, 0x54 };
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private static final int CMD_HANDSHAKE = 0;
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private static final int CMD_SEND_FILE_PROPERTIES = 1;
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private static final int CMD_SEND_NSP_HEADER = 2;
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private static final int CMD_ENDSESSION = 3;
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// Standard set of possible replies
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private static final byte[] USBSTATUS_SUCCESS = { 0x4e, 0x58, 0x44, 0x54,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 };
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private static final byte[] USBSTATUS_INVALID_MAGIC = { 0x4e, 0x58, 0x44, 0x54,
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0x04, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 };
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private static final byte[] USBSTATUS_UNSUPPORTED_CMD = { 0x4e, 0x58, 0x44, 0x54,
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0x05, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 };
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private static final byte[] USBSTATUS_UNSUPPORTED_ABI = { 0x4e, 0x58, 0x44, 0x54,
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0x06, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 };
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private static final byte[] USBSTATUS_MALFORMED_REQUEST = { 0x4e, 0x58, 0x44, 0x54,
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0x07, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 };
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private static final byte[] USBSTATUS_HOSTIOERROR = { 0x4e, 0x58, 0x44, 0x54,
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0x08, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00,
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0x00, 0x00, 0x00, 0x00 };
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private static final int NXDT_USB_TIMEOUT = 5000;
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private NxdtNspFile nspFile;
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public NxdtUsbAbi1(DeviceHandle handler,
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ILogPrinter logPrinter,
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String saveToPath,
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NxdtTask parent
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)throws Exception{
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this.handlerNS = handler;
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this.logPrinter = logPrinter;
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this.parent = parent;
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this.isWindows = System.getProperty("os.name").toLowerCase().contains("windows");
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if (isWindows)
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isWindows10 = System.getProperty("os.name").toLowerCase().contains("windows 10");
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if (! saveToPath.endsWith(File.separator))
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this.saveToPath = saveToPath + File.separator;
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else
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this.saveToPath = saveToPath;
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resolveEndpointMaxPacketSize();
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readLoop();
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}
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private void resolveEndpointMaxPacketSize() throws Exception{
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DeviceInformation deviceInformation = DeviceInformation.build(handlerNS);
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NsUsbEndpointDescriptor endpointInDescriptor = deviceInformation.getSimplifiedDefaultEndpointDescriptorIn();
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short endpointMaxPacketSize = endpointInDescriptor.getwMaxPacketSize();
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USBSTATUS_SUCCESS[8] = (byte)(endpointMaxPacketSize & 0xFF);
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USBSTATUS_SUCCESS[9] = (byte)((endpointMaxPacketSize >> 8) & 0xFF);
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}
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private void readLoop(){
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logPrinter.print("Awaiting for handshake", EMsgType.INFO);
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try {
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byte[] directive;
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int command;
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while (true){
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directive = readUsbDirective();
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if (isInvalidDirective(directive))
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continue;
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command = getLEint(directive, 4);
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switch (command){
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case CMD_HANDSHAKE:
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performHandshake(directive);
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break;
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case CMD_SEND_FILE_PROPERTIES:
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handleSendFileProperties(directive);
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break;
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case CMD_SEND_NSP_HEADER:
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handleSendNspHeader(directive);
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break;
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case CMD_ENDSESSION:
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logPrinter.print("Session successfully ended.", EMsgType.PASS);
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return;
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default:
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writeUsb(USBSTATUS_UNSUPPORTED_CMD);
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logPrinter.print(String.format("Unsupported command 0x%08x", command), EMsgType.FAIL);
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}
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}
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}
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catch (InterruptedException ie){
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logPrinter.print("Execution interrupted", EMsgType.INFO);
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}
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catch (Exception e){
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e.printStackTrace();
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logPrinter.print(e.getMessage(), EMsgType.INFO);
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logPrinter.print("Terminating now", EMsgType.FAIL);
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}
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}
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private boolean isInvalidDirective(byte[] message) throws Exception{
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if (message.length < 0x10){
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writeUsb(USBSTATUS_MALFORMED_REQUEST);
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logPrinter.print("Directive is too small. Only "+message.length+" bytes received.", EMsgType.FAIL);
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return true;
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}
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if (! Arrays.equals(Arrays.copyOfRange(message, 0,4), MAGIC_NXDT)){
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writeUsb(USBSTATUS_INVALID_MAGIC);
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logPrinter.print("Invalid 'MAGIC'", EMsgType.FAIL);
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return true;
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}
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int payloadSize = getLEint(message, 0x8);
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if (payloadSize + 0x10 != message.length){
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writeUsb(USBSTATUS_MALFORMED_REQUEST);
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logPrinter.print("Invalid directive info block size. "+message.length+" bytes received while "+payloadSize+" expected.", EMsgType.FAIL);
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return true;
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}
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return false;
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}
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private void performHandshake(byte[] message) throws Exception{
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final byte versionMajor = message[0x10];
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final byte versionMinor = message[0x11];
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final byte versionMicro = message[0x12];
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final byte versionABI = message[0x13];
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logPrinter.print("nxdumptool v"+versionMajor+"."+versionMinor+"."+versionMicro+" ABI v"+versionABI, EMsgType.INFO);
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if (ABI_VERSION != versionABI){
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writeUsb(USBSTATUS_UNSUPPORTED_ABI);
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throw new Exception("ABI v"+versionABI+" is not supported in current version.");
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}
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writeUsb(USBSTATUS_SUCCESS);
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}
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private void handleSendFileProperties(byte[] message) throws Exception{
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try {
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final long fullSize = getLElong(message, 0x10);
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final int fileNameLen = getLEint(message, 0x18);
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final int headerSize = getLEint(message, 0x1C);
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checkFileNameLen(fileNameLen); // In case of negative value we should better handle it before String constructor throws error
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String filename = new String(message, 0x20, fileNameLen, StandardCharsets.UTF_8);
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String absoluteFilePath = getAbsoluteFilePath(filename);
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File fileToDump = new File(absoluteFilePath);
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checkSizes(fullSize, headerSize);
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createPath(absoluteFilePath);
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checkFileSystem(fileToDump, fullSize);
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if (headerSize > 0){ // if NSP
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logPrinter.print("Receiving NSP file: '"+filename+"' ("+formatByteSize(fullSize)+")", EMsgType.PASS);
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createNewNsp(filename, headerSize, fullSize, fileToDump);
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return;
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}
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else {
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// TODO: Note, in case of a big amount of small files performance decreases dramatically. It's better to handle this only in case of 1-big-file-transfer
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logPrinter.print("Receiving: '"+filename+"' ("+fullSize+" b)", EMsgType.INFO);
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}
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writeUsb(USBSTATUS_SUCCESS);
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if (fullSize == 0)
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return;
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if (isNspTransfer())
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dumpNspFile(fullSize);
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else
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dumpFile(fileToDump, fullSize);
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writeUsb(USBSTATUS_SUCCESS);
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}
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catch (NxdtMalformedException malformed){
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logPrinter.print(malformed.getMessage(), EMsgType.FAIL);
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writeUsb(USBSTATUS_MALFORMED_REQUEST);
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}
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catch (NxdtHostIOException ioException){
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logPrinter.print(ioException.getMessage(), EMsgType.FAIL);
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writeUsb(USBSTATUS_HOSTIOERROR);
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}
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}
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private void checkFileNameLen(int fileNameLen) throws NxdtMalformedException{
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if (fileNameLen <= 0 || fileNameLen > NXDT_FILE_PROPERTIES_MAX_NAME_LENGTH){
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throw new NxdtMalformedException("Invalid filename length!");
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}
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}
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private void checkSizes(long fileSize, int headerSize) throws Exception{
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if (headerSize >= fileSize){
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resetNsp();
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throw new NxdtMalformedException(String.format("File size (%d) should not be less or equal to header size (%d)!", fileSize, headerSize));
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}
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if (fileSize < 0){ // It's possible to have files of zero-length, so only less is the problem
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resetNsp();
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throw new NxdtMalformedException("File size should not be less then zero!");
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}
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}
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private void checkFileSystem(File fileToDump, long fileSize) throws Exception{
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// Check if enough space
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if (fileToDump.getParentFile().getFreeSpace() <= fileSize){
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throw new NxdtHostIOException("Not enough space on selected volume. Need: "+fileSize+
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" while available: "+fileToDump.getParentFile().getFreeSpace());
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}
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// Check if FS is NOT read-only
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if (! (fileToDump.canWrite() || fileToDump.createNewFile()) ){
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throw new NxdtHostIOException("Unable to write into selected volume: "+fileToDump.getAbsolutePath());
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}
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}
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private void createNewNsp(String filename, int headerSize, long fileSize, File fileToDump) throws NxdtHostIOException{
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try {
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nspFile = new NxdtNspFile(filename, headerSize, fileSize, fileToDump);
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writeUsb(USBSTATUS_SUCCESS);
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}
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catch (Exception e){
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e.printStackTrace();
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throw new NxdtHostIOException("Unable to create new file for: "+filename+" :"+e.getMessage());
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}
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}
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private int getLEint(byte[] bytes, int fromOffset){
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return ByteBuffer.wrap(bytes, fromOffset, 0x4).order(ByteOrder.LITTLE_ENDIAN).getInt();
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}
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private long getLElong(byte[] bytes, int fromOffset){
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return ByteBuffer.wrap(bytes, fromOffset, 0x8).order(ByteOrder.LITTLE_ENDIAN).getLong();
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}
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private boolean isNspTransfer(){
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return nspFile != null;
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}
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private String getAbsoluteFilePath(String filename) throws Exception{
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if (isRomFs(filename) && isWindows) // Since RomFS entry starts from '/' it should be replaced to '\'.
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return saveToPath + filename.replaceAll("/", "\\\\");
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return saveToPath + filename;
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}
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private boolean isRomFs(String filename){
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return filename.startsWith("/");
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}
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private void createPath(String path) throws Exception{
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try {
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Path folderForTheFile = Paths.get(path).getParent();
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Files.createDirectories(folderForTheFile);
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}
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catch (Exception e){
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throw new NxdtHostIOException("Unable to create dir(s) for file '"+path+"':"+e.getMessage());
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}
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}
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// @see https://bugs.openjdk.java.net/browse/JDK-8146538
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private void dumpFile(File file, long size) throws Exception{
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FileOutputStream fos = new FileOutputStream(file, true);
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try (BufferedOutputStream bos = new BufferedOutputStream(fos)){
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FileDescriptor fd = fos.getFD();
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byte[] readBuffer;
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long received = 0;
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int bufferSize;
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while (received+NXDT_FILE_CHUNK_SIZE < size) {
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//readBuffer = readUsbFile();
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readBuffer = readUsbFileDebug(NXDT_FILE_CHUNK_SIZE);
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bos.write(readBuffer);
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if (isWindows10)
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fd.sync();
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bufferSize = readBuffer.length;
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received += bufferSize;
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logPrinter.updateProgress((double)received / (double)size);
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}
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int lastChunkSize = (int)(size - received) + 1;
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readBuffer = readUsbFileDebug(lastChunkSize);
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bos.write(readBuffer);
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if (isWindows10)
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fd.sync();
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}
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finally {
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logPrinter.updateProgress(1.0);
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}
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}
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private void dumpNspFile(long size) throws Exception{
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FileOutputStream fos = new FileOutputStream(nspFile.getFile(), true);
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long nspSize = nspFile.getFullSize();
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try (BufferedOutputStream bos = new BufferedOutputStream(fos)) {
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long nspRemainingSize = nspFile.getNspRemainingSize();
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FileDescriptor fd = fos.getFD();
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byte[] readBuffer;
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long received = 0;
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int bufferSize;
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while (received+NXDT_FILE_CHUNK_SIZE < size) {
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//readBuffer = readUsbFile();
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readBuffer = readUsbFileDebug(NXDT_FILE_CHUNK_SIZE);
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bos.write(readBuffer);
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if (isWindows10)
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fd.sync();
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bufferSize = readBuffer.length;
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received += bufferSize;
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nspRemainingSize -= bufferSize;
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logPrinter.updateProgress((double)(nspSize - nspRemainingSize) / (double)nspSize);
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}
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int lastChunkSize = (int)(size - received) + 1;
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readBuffer = readUsbFileDebug(lastChunkSize);
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bos.write(readBuffer);
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if (isWindows10)
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fd.sync();
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nspRemainingSize -= (lastChunkSize - 1);
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nspFile.setNspRemainingSize(nspRemainingSize);
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}
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}
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private void handleSendNspHeader(byte[] message) throws Exception{
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final int headerSize = getLEint(message, 0x8);
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NxdtNspFile nsp = nspFile;
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resetNsp();
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logPrinter.updateProgress(1.0);
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if (nsp == null) {
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writeUsb(USBSTATUS_MALFORMED_REQUEST);
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logPrinter.print("Received NSP send header request outside of known NSPs!", EMsgType.FAIL);
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return;
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}
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if (nsp.getNspRemainingSize() > 0) {
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writeUsb(USBSTATUS_MALFORMED_REQUEST);
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logPrinter.print("Received NSP send header request without receiving all NSP file entry data!", EMsgType.FAIL);
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return;
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}
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if (headerSize != nsp.getHeaderSize()) {
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writeUsb(USBSTATUS_MALFORMED_REQUEST);
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logPrinter.print("Received NSP header size mismatch! "+headerSize+" != "+ nsp.getHeaderSize(), EMsgType.FAIL);
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return;
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}
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try (RandomAccessFile raf = new RandomAccessFile(nsp.getFile(), "rw")) {
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byte[] headerData = Arrays.copyOfRange(message, 0x10, headerSize + 0x10);
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raf.seek(0);
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raf.write(headerData);
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}
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logPrinter.print("NSP file: '"+nsp.getName()+"' successfully received!", EMsgType.PASS);
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writeUsb(USBSTATUS_SUCCESS);
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}
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private void resetNsp(){
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this.nspFile = null;
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}
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/** Sending any byte array to USB device **/
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private void writeUsb(byte[] message) throws Exception{
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ByteBuffer writeBuffer = ByteBuffer.allocateDirect(message.length);
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writeBuffer.put(message);
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IntBuffer writeBufTransferred = IntBuffer.allocate(1);
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if ( parent.isCancelled() )
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throw new InterruptedException("Execution interrupted");
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int result = LibUsb.bulkTransfer(handlerNS, (byte) 0x01, writeBuffer, writeBufTransferred, NXDT_USB_TIMEOUT);
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if (result == LibUsb.SUCCESS) {
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if (writeBufTransferred.get() == message.length)
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return;
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throw new Exception("Data transfer issue [write]" +
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"\n Requested: " + message.length +
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"\n Transferred: " + writeBufTransferred.get());
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}
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throw new Exception("Data transfer issue [write]" +
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"\n Returned: " + UsbErrorCodes.getErrCode(result) +
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"\n (execution stopped)");
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}
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/**
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* Reading what USB device responded (command).
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* @return byte array if data read successful
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* 'null' if read failed
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* */
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private byte[] readUsbDirective() throws Exception{
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ByteBuffer readBuffer = ByteBuffer.allocateDirect(NXDT_MAX_DIRECTIVE_SIZE);
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// We can limit it to 32 bytes, but there is a non-zero chance to got OVERFLOW from libusb.
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IntBuffer readBufTransferred = IntBuffer.allocate(1);
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int result;
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while (! parent.isCancelled()) {
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result = LibUsb.bulkTransfer(handlerNS, (byte) 0x81, readBuffer, readBufTransferred, 1000); // last one is TIMEOUT. 0 stands for unlimited. Endpoint IN = 0x81
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switch (result) {
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case LibUsb.SUCCESS:
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int trans = readBufTransferred.get();
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byte[] receivedBytes = new byte[trans];
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readBuffer.get(receivedBytes);
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return receivedBytes;
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case LibUsb.ERROR_TIMEOUT:
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break;
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default:
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throw new Exception("Data transfer issue [read command]" +
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"\n Returned: " + UsbErrorCodes.getErrCode(result)+
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"\n (execution stopped)");
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}
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}
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throw new InterruptedException();
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}
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/**
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* Reading what USB device responded (file).
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* @return byte array if data read successful
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* 'null' if read failed
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* */
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private byte[] readUsbFile() throws Exception{
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ByteBuffer readBuffer = ByteBuffer.allocateDirect(NXDT_FILE_CHUNK_SIZE);
|
|
IntBuffer readBufTransferred = IntBuffer.allocate(1);
|
|
int result;
|
|
int countDown = 0;
|
|
while (! parent.isCancelled() && countDown < 5) {
|
|
result = LibUsb.bulkTransfer(handlerNS, (byte) 0x81, readBuffer, readBufTransferred, 1000);
|
|
|
|
switch (result) {
|
|
case LibUsb.SUCCESS:
|
|
int trans = readBufTransferred.get();
|
|
byte[] receivedBytes = new byte[trans];
|
|
readBuffer.get(receivedBytes);
|
|
return receivedBytes;
|
|
case LibUsb.ERROR_TIMEOUT:
|
|
countDown++;
|
|
break;
|
|
default:
|
|
throw new Exception("Data transfer issue [read file]" +
|
|
"\n Returned: " + UsbErrorCodes.getErrCode(result)+
|
|
"\n (execution stopped)");
|
|
}
|
|
}
|
|
throw new InterruptedException();
|
|
}
|
|
|
|
private byte[] readUsbFileDebug(int chunkSize) throws Exception {
|
|
ByteBuffer readBuffer = ByteBuffer.allocateDirect(chunkSize);
|
|
IntBuffer readBufTransferred = IntBuffer.allocate(1);
|
|
if (parent.isCancelled())
|
|
throw new InterruptedException();
|
|
|
|
int result = LibUsb.bulkTransfer(handlerNS, (byte) 0x81, readBuffer, readBufTransferred, NXDT_USB_TIMEOUT);
|
|
|
|
if (result == LibUsb.SUCCESS) {
|
|
int trans = readBufTransferred.get();
|
|
byte[] receivedBytes = new byte[trans];
|
|
readBuffer.get(receivedBytes);
|
|
return receivedBytes;
|
|
}
|
|
throw new Exception("Data transfer issue [read file]" +
|
|
"\n Returned: " + UsbErrorCodes.getErrCode(result) +
|
|
"\n (execution stopped)");
|
|
}
|
|
|
|
private String formatByteSize(double length) {
|
|
final String[] unitNames = { "bytes", "KiB", "MiB", "GiB", "TiB"};
|
|
int i;
|
|
for (i = 0; length > 1024 && i < unitNames.length - 1; i++) {
|
|
length = length / 1024;
|
|
}
|
|
return String.format("%,.2f %s", length, unitNames[i]);
|
|
}
|
|
}
|