more tests for PFS0
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Dmitry Isaenko
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3064970220
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1 changed files with 192 additions and 0 deletions
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src/test/java/libKonogonka/RomFsDecrypted/Pfs0EncryptedTest.java
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src/test/java/libKonogonka/RomFsDecrypted/Pfs0EncryptedTest.java
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/*
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Copyright 2018-2022 Dmitry Isaenko
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This file is part of libKonogonka.
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libKonogonka 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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libKonogonka 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 libKonogonka. If not, see <https://www.gnu.org/licenses/>.
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*/
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package libKonogonka.RomFsDecrypted;
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import libKonogonka.KeyChainHolder;
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import libKonogonka.RainbowDump;
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import libKonogonka.Tools.NCA.NCAProvider;
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import libKonogonka.Tools.PFS0.PFS0subFile;
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import libKonogonka.Tools.RomFs.FileSystemEntry;
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import libKonogonka.ctraes.AesCtrBufferedInputStream;
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import libKonogonka.ctraes.AesCtrDecryptSimple;
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import org.junit.jupiter.api.*;
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import java.io.*;
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import java.nio.file.Files;
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public class Pfs0EncryptedTest {
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private static final String keysFileLocation = "./FilesForTests/prod.keys";
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private static final String xci_header_keyFileLocation = "./FilesForTests/xci_header_key.txt";
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private static final String ncaFileLocation = "./FilesForTests/PFS_RomFS.nca";
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private static KeyChainHolder keyChainHolder;
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private static NCAProvider ncaProvider;
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@DisplayName("PFS0 Encrypted test")
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@Test
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void pfs0test() throws Exception{
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BufferedReader br = new BufferedReader(new FileReader(xci_header_keyFileLocation));
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String keyValue = br.readLine();
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br.close();
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if (keyValue == null)
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throw new Exception("Unable to retrieve xci_header_key");
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keyValue = keyValue.trim();
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keyChainHolder = new KeyChainHolder(keysFileLocation, keyValue);
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ncaProvider = new NCAProvider(new File(ncaFileLocation), keyChainHolder.getRawKeySet());
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pfs0Validation();
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AesCtrBufferedInputStreamTest();
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}
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void pfs0Validation() throws Exception{
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for (byte i = 0; i < 4; i++){
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System.out.println("..:: TEST SECTION #"+i+" ::..");
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if (ncaProvider.getSectionBlock(i).getFsType() == 1 &&
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ncaProvider.getSectionBlock(i).getHashType() == 2 &&
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ncaProvider.getSectionBlock(i).getCryptoType() == 3){
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ncaProvider.getNCAContentProvider(i).getPfs0().printDebug();
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ncaProvider.getSectionBlock(i).printDebug();
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return;
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}
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}
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}
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private AesCtrDecryptSimple decryptSimple;
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long ACBISoffsetPosition;
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long ACBISmediaStartOffset;
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long ACBISmediaEndOffset;
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long offsetPosition;
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void AesCtrBufferedInputStreamTest() throws Exception {
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File nca = new File(ncaFileLocation);
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PFS0subFile[] subfiles = ncaProvider.getNCAContentProvider(0).getPfs0().getPfs0subFiles();
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offsetPosition = ncaProvider.getTableEntry0().getMediaStartOffset()*0x200 +
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ncaProvider.getNCAContentProvider(0).getPfs0().getRawFileDataStart();
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System.out.println("\t=============================================================");
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System.out.println("\tNCA SIZE: "+ RainbowDump.formatDecHexString(nca.length()));
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System.out.println("\tPFS0 Offset(get) "+RainbowDump.formatDecHexString(ncaProvider.getSectionBlock0().getSuperBlockPFS0().getPfs0offset()));
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System.out.println("\tPFS0 MediaStart (* 0x200) "+RainbowDump.formatDecHexString(ncaProvider.getTableEntry0().getMediaStartOffset()*0x200));
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System.out.println("\tPFS0 MediaEnd (* 0x200) "+RainbowDump.formatDecHexString(ncaProvider.getTableEntry0().getMediaEndOffset()*0x200));
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System.out.println("\tPFS0 Offset+MediaBlockStart: "+RainbowDump.formatDecHexString(offsetPosition));
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System.out.println("\tRAW Offset: "+RainbowDump.formatDecHexString(ncaProvider.getNCAContentProvider(0).getPfs0().getRawFileDataStart()));
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System.out.println("\tHashTableSize: "+RainbowDump.formatDecHexString(ncaProvider.getSectionBlock0().getSuperBlockPFS0().getHashTableSize()));
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for (PFS0subFile subFile : subfiles){
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System.out.println("\n\tEntry Name: "+subFile.getName());
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System.out.println("\tEntry Offset: "+RainbowDump.formatDecHexString(subFile.getOffset()));
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System.out.println("\tEntry Size: "+RainbowDump.formatDecHexString(subFile.getSize()));
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}
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System.out.println("\t=============================================================");
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ACBISoffsetPosition = 0;
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ACBISmediaStartOffset = ncaProvider.getTableEntry0().getMediaStartOffset();
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ACBISmediaEndOffset = ncaProvider.getTableEntry0().getMediaEndOffset();
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decryptSimple = new AesCtrDecryptSimple(
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ncaProvider.getDecryptedKey2(),
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ncaProvider.getSectionBlock0().getSectionCTR(),
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ncaProvider.getTableEntry0().getMediaStartOffset()*0x200);
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for (PFS0subFile subFile : subfiles){
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exportContentLegacy(subFile, "/tmp/legacy_PFS0");
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}
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//----------------------------------------------------------------------
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for (PFS0subFile subFile : subfiles) {
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exportContent(subFile, "/tmp/brandnew_PFS0");
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}
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}
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private void exportContent(PFS0subFile entry, String saveToLocation) throws Exception{
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File contentFile = new File(saveToLocation + entry.getName());
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BufferedOutputStream extractedFileBOS = new BufferedOutputStream(Files.newOutputStream(contentFile.toPath()));
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//---
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InputStream is = Files.newInputStream(new File(ncaFileLocation).toPath());
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AesCtrBufferedInputStream aesCtrBufferedInputStream = new AesCtrBufferedInputStream(
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decryptSimple,
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ACBISoffsetPosition,
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ACBISmediaStartOffset,
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ACBISmediaEndOffset,
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is);
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//long offsetToSkip = entry.getOffset() + ncaProvider.getNCAContentProvider(0).getPfs0().getRawFileDataStart();
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long offsetToSkip = offsetPosition+entry.getOffset();
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System.out.println("\nOffsets"+
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"\nRAW: "+ncaProvider.getNCAContentProvider(0).getPfs0().getRawFileDataStart()+
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"\nPfs0 offset: "+offsetPosition+
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"\nentry.getOffset(): "+entry.getOffset()+
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"\n");
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if (offsetToSkip != aesCtrBufferedInputStream.skip(offsetToSkip))
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throw new Exception("Can't skip "+
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ncaProvider.getSectionBlock0().getSuperBlockPFS0().getPfs0offset()+
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"("+entry.getOffset()+
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" + "+
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ncaProvider.getNCAContentProvider(0).getPfs0().getRawFileDataStart()+")");
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int blockSize = 0x200;
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if (entry.getSize() < 0x200)
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blockSize = (int) entry.getSize();
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long i = 0;
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byte[] block = new byte[blockSize];
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int actuallyRead;
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while (true) {
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if ((actuallyRead = aesCtrBufferedInputStream.read(block)) != blockSize)
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throw new Exception("Read failure. Block Size: "+blockSize+", actuallyRead: "+actuallyRead);
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extractedFileBOS.write(block);
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i += blockSize;
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if ((i + blockSize) > entry.getSize()) {
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blockSize = (int) (entry.getSize() - i);
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if (blockSize == 0)
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break;
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block = new byte[blockSize];
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}
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}
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//---
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extractedFileBOS.close();
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}
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private void exportContentLegacy(PFS0subFile entry, String saveToLocation) throws Exception {
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File contentFile = new File(saveToLocation + entry.getName());
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BufferedOutputStream extractedFileBOS = new BufferedOutputStream(new FileOutputStream(contentFile));
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PipedInputStream pis = ncaProvider.getNCAContentProvider(0).getPfs0().getProviderSubFilePipedInpStream(entry.getName());
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byte[] readBuf = new byte[0x200]; // 8mb NOTE: consider switching to 1mb 1048576
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int readSize;
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while ((readSize = pis.read(readBuf)) > -1) {
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extractedFileBOS.write(readBuf, 0, readSize);
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readBuf = new byte[0x200];
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}
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extractedFileBOS.close();
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}
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}
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