public void printFields(PrintStream ps, String prefix) {
ps.println(prefix + " sbSig: \"" + getSbSigAsString() + "\"");
ps.println(prefix + " sbBlkSize: " + getSbBlkSize());
ps.println(prefix + " sbBlkCount: " + getSbBlkCount());
ps.println(prefix + " sbDevType: " + getSbDevType());
ps.println(prefix + " sbDevId: " + getSbDevId());
ps.println(prefix + " sbData: " + getSbData());
ps.println(prefix + " sbDrvrCount: " + getSbDrvrCount());
ps.println(prefix + " entries (" + entries.length + " elements):");
for (int i = 0; i < entries.length; ++i) {
ps.println(prefix + " entries[" + i + "]: ");
entries[i].print(ps, prefix + " ");
}
if (entries.length == 0) ps.println(prefix + " <empty>");
ps.println(prefix + " ddPad:");
ps.print(prefix + " byte[" + ddPad.length + "] {");
for (int i = 0; i < ddPad.length; ++i) {
if (i % 16 == 0) {
ps.println();
ps.print(prefix + " ");
}
ps.print(" " + Util.toHexStringBE(ddPad[i]));
}
ps.println();
ps.println(prefix + " }");
try {
byte[] md5sum = MessageDigest.getInstance("MD5").digest(ddPad);
ps.println(prefix + " MD5: " + Util.byteArrayToHexString(md5sum));
} catch (NoSuchAlgorithmException e) {
e.printStackTrace();
}
}
public VisualizeUnicodeNormalization() {
super("HFS+ Unicode Decomposition Table");
JPanel mainPanel = new JPanel();
JScrollPane mainPanelScroller =
new JScrollPane(
mainPanel,
ScrollPaneConstants.VERTICAL_SCROLLBAR_AS_NEEDED,
ScrollPaneConstants.HORIZONTAL_SCROLLBAR_NEVER);
mainPanel.setLayout(new BoxLayout(mainPanel, BoxLayout.Y_AXIS));
mainPanelScroller.getVerticalScrollBar().setUnitIncrement(20);
UnicodeNormalizationToolkit unt = UnicodeNormalizationToolkit.getDefaultInstance();
Map<Character, char[]> table = unt.getDecompositionTable();
StringBuilder sb = new StringBuilder();
Comparator<Map.Entry<Character, char[]>> cmp =
new Comparator<Map.Entry<Character, char[]>>() {
public int compare(Map.Entry<Character, char[]> o1, Map.Entry<Character, char[]> o2) {
return o1.getKey().compareTo(o2.getKey());
}
@Override
public boolean equals(Object obj) {
return super.equals(obj);
}
};
TreeSet<Map.Entry<Character, char[]>> ts = new TreeSet<Map.Entry<Character, char[]>>(cmp);
for (Map.Entry<Character, char[]> ent : table.entrySet()) ts.add(ent);
// ts.addAll(table.entrySet());
for (Map.Entry<Character, char[]> ent : ts) {
Character key = ent.getKey();
char[] value = ent.getValue();
sb.append(Util.toHexStringBE(key.charValue()));
sb.append(": \" ");
sb.append(key.toString());
sb.append(" \" -> \" ");
sb.append(value[0]);
for (int i = 1; i < value.length; ++i) {
sb.append(" \", \" ");
sb.append(value[i]);
}
sb.append(" \"");
JLabel cur = new JLabel(sb.toString());
cur.setFont(new java.awt.Font("Monospaced", 0, 20));
mainPanel.add(cur);
sb.setLength(0);
}
add(mainPanelScroller, BorderLayout.CENTER);
setDefaultCloseOperation(EXIT_ON_CLOSE);
pack();
setLocationRelativeTo(null);
}
/**
* Creates a new DriverDescriptorRecord from the supplied parameters.
*
* @param blockSize the block size of the volume. Commonly 512 or 4096 for hard disks and 2048 for
* optical drives.
* @param blockCount the size of the volume in blockSize-sized blocks.
*/
public DriverDescriptorRecord(int blockSize, long blockCount) {
if (blockSize < 0 || blockSize > 0xFFFF)
throw new IllegalArgumentException("Invalid value for " + "'blockSize': " + blockSize);
if (blockCount < 0 || blockCount > 0xFFFFFFFFL)
throw new IllegalArgumentException("Invalid value for " + "'blockCount': " + blockCount);
Util.arrayPutBE(this.sbSig, 0, DDR_SIGNATURE);
Util.arrayPutBE(this.sbBlkSize, 0, (short) blockSize);
Util.arrayPutBE(this.sbBlkCount, 0, (int) blockCount);
Util.arrayPutBE(this.sbDevType, 0, (short) 0);
Util.arrayPutBE(this.sbDevId, 0, (short) 0);
Util.arrayPutBE(this.sbData, 0, (int) 0);
Util.arrayPutBE(this.sbDrvrCount, 0, (short) 0);
this.entries = new DriverDescriptorEntry[0];
this.ddPad = new byte[blockSize - 18];
Arrays.fill(ddPad, (byte) 0);
}
/** Reserved. */
public byte[] getDdPad() {
return Util.createCopy(ddPad);
}
/** Returns a String representation of the device signature. */
public String getSbSigAsString() {
return Util.toASCIIString(sbSig);
}
public int getIndex() {
return Util.readIntBE(index);
}
private long getDataLength(long dataPos) {
byte[] dataLengthBytes = new byte[4];
forkStream.readFrom(dataPos, dataLengthBytes);
return Util.unsign(Util.readIntBE(dataLengthBytes));
}
/**
* <b>Note that the return value from this function should be interpreted as an unsigned integer,
* for instance using Util.unsign(...).</b>
*/
public short getRawSbDrvrCount() {
return Util.readShortBE(sbDrvrCount);
}
public static void main(String[] args) {
final boolean verbose;
final String fsPath;
if (args.length == 2 && args[0].equals("-v")) {
verbose = true;
fsPath = args[1];
} else if (args.length == 1) {
verbose = false;
fsPath = args[0];
} else {
System.err.println("usage: ScanDecmpfs [-v] <device|file>");
System.err.println();
System.err.println(
" Scans an HFS+/HFSX volume for decmpfs " + "compressed files and prints the");
System.err.println(" file's CNID, compression type and " + "decompressed size.");
System.err.println(
" If '-v' is supplied, the path of the " + "compressed file is also resolved and");
System.err.println(" printed after the decompressed size.");
System.exit(1);
return;
}
final ReadableRandomAccessStream fsStream =
ReadableWin32FileStream.isSystemSupported()
? new ReadableWin32FileStream(fsPath)
: new ReadableFileStream(fsPath);
final FileSystemHandlerFactory fsHandlerFactory;
switch (HFSCommonFileSystemRecognizer.detectFileSystem(fsStream, 0)) {
case HFS_WRAPPED_HFS_PLUS:
case HFS_PLUS:
fsHandlerFactory = FileSystemMajorType.APPLE_HFS_PLUS.createDefaultHandlerFactory();
break;
case HFSX:
fsHandlerFactory = FileSystemMajorType.APPLE_HFSX.createDefaultHandlerFactory();
break;
default:
System.err.println("No HFS+/HFSX filesystem detected.");
System.exit(1);
return;
}
final FileSystemHandler fsHandlerGeneric =
fsHandlerFactory.createHandler(new ReadableStreamDataLocator(fsStream));
if (!(fsHandlerGeneric instanceof HFSPlusFileSystemHandler)) {
System.err.println(
"Unexpected: File system handler object is "
+ "not of HFSPlusFileSystemHandler class (class: "
+ fsHandlerGeneric.getClass()
+ ").");
System.exit(1);
return;
}
final HFSPlusFileSystemHandler fsHandler = (HFSPlusFileSystemHandler) fsHandlerGeneric;
final AttributesFile attributesFile = fsHandler.getFSView().getAttributesFile();
LinkedList<Long> nodeQueue = new LinkedList<Long>();
nodeQueue.addLast(attributesFile.getRootNodeNumber());
/* Depth-first search for "com.apple.decmpfs" attribute records. */
while (!nodeQueue.isEmpty()) {
long curNodeNumber = nodeQueue.removeFirst();
CommonBTNode curNode = attributesFile.getNode(curNodeNumber);
if (curNode instanceof CommonHFSAttributesIndexNode) {
CommonHFSAttributesIndexNode indexNode = (CommonHFSAttributesIndexNode) curNode;
List<CommonBTIndexRecord<CommonHFSAttributesKey>> records = indexNode.getBTKeyedRecords();
ListIterator<CommonBTIndexRecord<CommonHFSAttributesKey>> it =
records.listIterator(records.size());
/* For the search to be depth first, add elements in reverse
* order. */
while (it.hasPrevious()) {
nodeQueue.addFirst(it.previous().getIndex());
}
} else if (curNode instanceof CommonHFSAttributesLeafNode) {
final CommonHFSAttributesLeafNode leafNode = (CommonHFSAttributesLeafNode) curNode;
for (CommonHFSAttributesLeafRecord rec : leafNode.getLeafRecords()) {
final CommonHFSAttributesKey k = rec.getKey();
if (!new String(k.getAttrName(), 0, k.getAttrNameLen()).equals("com.apple.decmpfs")) {
continue;
} else if (k.getStartBlock() != 0) {
System.err.println(
"[WARNING] "
+ k.getFileID().toLong()
+ " has "
+ "com.apple.decmpfs attribute with non-0 "
+ "start block ("
+ k.getStartBlock()
+ "). "
+ "Skipping...");
continue;
}
final HFSPlusAttributesLeafRecordData data = rec.getRecordData();
if (!(data instanceof HFSPlusAttributesData)) {
System.err.println(
"[WARNING] "
+ k.getFileID().toLong()
+ " has "
+ "com.apple.decmpfs attribute without inline "
+ "data ("
+ data.getRecordTypeAsString()
+ "). Skipping...");
continue;
}
final DecmpfsHeader header =
new DecmpfsHeader(((HFSPlusAttributesData) data).getAttrData(), 0);
if (header.getMagic() != DecmpfsHeader.MAGIC) {
System.err.println(
"[WARNING] "
+ k.getFileID().toLong()
+ " has "
+ "com.apple.decmpfs attribute with "
+ "mismatching magic (expected: 0x"
+ Util.toHexStringBE((int) DecmpfsHeader.MAGIC)
+ ", actual: 0x"
+ Util.toHexStringBE(header.getRawMagic())
+ "). Skipping...");
continue;
}
final StringBuilder pathBuilder;
if (verbose) {
pathBuilder = new StringBuilder();
boolean firstComponent = true;
for (CommonHFSCatalogLeafRecord pathComponent :
fsHandler.getFSView().getCatalogFile().getPathTo(k.getFileID())) {
/* Skip name of root directory. */
if (!firstComponent) {
final char[] nodeName =
fsHandler
.getFSView()
.decodeString(pathComponent.getKey().getNodeName())
.toCharArray();
for (int i = 0; i < nodeName.length; ++i) {
/* '/' transformed into ':' and vice versa.
* This is part of the POSIX-translation of
* filenames in HFS+ (original Mac OS had
* ':' as a reserved character, while '/' is
* reserved in Mac OS X/POSIX). */
if (nodeName[i] == '/') {
nodeName[i] = ':';
} else if (nodeName[i] == ':') {
/* Note: This should really be
* considered an illegal HFS+
* character. */
nodeName[i] = '/';
}
}
pathBuilder.append('/').append(nodeName);
} else {
firstComponent = false;
}
}
} else {
pathBuilder = null;
}
System.out.println(
"CNID: "
+ k.getFileID().toLong()
+ " "
+ "Type: "
+ header.getCompressionType()
+ " "
+ "Size: "
+ header.getFileSize()
+ (pathBuilder != null ? " Path: " + pathBuilder.toString() : ""));
}
} else {
System.err.println(
"[WARNING] Unexpected attributes B-tree " + "node type: " + curNode.getClass());
}
}
fsHandler.close();
System.exit(0);
}
/**
* <b>Note that the return value from this function should be interpreted as an unsigned integer,
* for instance using Util.unsign(...).</b>
*/
public int getRawSbBlkCount() {
return Util.readIntBE(sbBlkCount);
}
/**
* <b>Note that the return value from this function should be interpreted as an unsigned integer,
* for instance using Util.unsign(...).</b>
*/
public short getRawSbDevId() {
return Util.readShortBE(sbDevId);
}
/** Reserved. */
public short getFrFlags() {
return Util.readShortBE(frFlags);
}
/**
* <b>Note that the return value from this function should be interpreted as an unsigned integer,
* for instance using Util.unsign(...).</b>
*/
public short getRawSbSig() {
return Util.readShortBE(sbSig);
}
public void printFields(PrintStream ps, String prefix) {
ps.println(prefix + " xdrStABN: " + Util.unsign(getXdrStABN()));
ps.println(prefix + " xdrNumABlks: " + Util.unsign(getXdrNumABlks()));
}
/** number of allocation blocks */
public short getXdrNumABlks() {
return Util.readShortBE(xdrNumABlks);
}
/** first allocation block */
public short getXdrStABN() {
return Util.readShortBE(xdrStABN);
}
public ExtDescriptor(short xdrStABN, short xdrNumABlks) {
System.arraycopy(Util.toByteArrayBE(xdrStABN), 0, this.xdrStABN, 0, 2);
System.arraycopy(Util.toByteArrayBE(xdrNumABlks), 0, this.xdrNumABlks, 0, 2);
}
/**
* The manner in which folders are displayed; this is set by the user with commands from the View
* menu of the Finder.
*/
public short getFrView() {
return Util.readShortBE(frView);
}
/**
* <b>Note that the return value from this function should be interpreted as an unsigned integer,
* for instance using Util.unsign(...).</b>
*/
public short getRawSbBlkSize() {
return Util.readShortBE(sbBlkSize);
}
/** Device signature. (Should be "ER"...) */
public int getSbSig() {
return Util.unsign(getRawSbSig());
}
/**
* <b>Note that the return value from this function should be interpreted as an unsigned integer,
* for instance using Util.unsign(...).</b>
*/
public short getRawSbDevType() {
return Util.readShortBE(sbDevType);
}
/** Block size of the device. */
public int getSbBlkSize() {
return Util.unsign(getRawSbBlkSize());
}
/**
* <b>Note that the return value from this function should be interpreted as an unsigned integer,
* for instance using Util.unsign(...).</b>
*/
public int getRawSbData() {
return Util.readIntBE(sbData);
}
/** Number of blocks on the device. */
public long getSbBlkCount() {
return Util.unsign(getRawSbBlkCount());
}
/** Reserved. */
public int getSbDevId() {
return Util.unsign(getRawSbDevId());
}
/** Reserved. */
public long getSbData() {
return Util.unsign(getRawSbData());
}
/**
* Re-reads the contents of the .plist file and updates the cached data.
*
* @throws IOException if there is an I/O error, or the data in the plist is invalid.
*/
protected void refresh() throws IOException {
long fileLength = file.length();
if (fileLength > Integer.MAX_VALUE)
throw new ArrayIndexOutOfBoundsException(
"Info.plist is " + "unreasonably large and doesn't fit in memory.");
byte[] plistData = new byte[(int) fileLength];
int bytesRead = file.read(plistData);
if (bytesRead != fileLength)
throw new IOException(
"Failed to read entire file. Read " + bytesRead + "/" + fileLength + " bytes.");
XmlPlist plist = new XmlPlist(plistData, true);
PlistNode dictNode = plist.getRootNode().cd("dict");
if (dictNode == null) {
throw new IOException("Malformed Info.plist file: No 'dict' " + "element at root.");
}
final String cfBundleInfoDictionaryVersionKey = "CFBundleInfoDictionaryVersion";
final String bandSizeKey = "band-size";
final String bundleBackingstoreVersionKey = "bundle-backingstore-version";
final String diskImageBundleTypeKey = "diskimage-bundle-type";
final String sizeKey = "size";
Reader cfBundleInfoDictionaryVersionReader =
dictNode.getKeyValue(cfBundleInfoDictionaryVersionKey);
Reader bandSizeReader = dictNode.getKeyValue(bandSizeKey);
Reader bundleBackingstoreVersionReader = dictNode.getKeyValue(bundleBackingstoreVersionKey);
Reader diskImageBundleTypeReader = dictNode.getKeyValue(diskImageBundleTypeKey);
Reader sizeReader = dictNode.getKeyValue(sizeKey);
if (cfBundleInfoDictionaryVersionReader == null)
throw new IOException(
"Could not find '" + cfBundleInfoDictionaryVersionKey + "' key in Info.plist " + "file.");
if (bandSizeReader == null)
throw new IOException("Could not find '" + bandSizeKey + "' key " + "in Info.plist file.");
if (bundleBackingstoreVersionReader == null)
throw new IOException(
"Could not find '" + bundleBackingstoreVersionKey + "' key in Info.plist file.");
if (diskImageBundleTypeReader == null)
throw new IOException(
"Could not find '" + diskImageBundleTypeKey + "' key in Info.plist file.");
if (sizeReader == null)
throw new IOException("Could not find '" + sizeKey + "' key in " + "Info.plist file.");
// We ignore the value of the dictionary version.
// String cfBundleInfoDictionaryVersionString =
// Util.readFully(cfBundleInfoDictionaryVersionReader);
String bandSizeString = Util.readFully(bandSizeReader);
String bundleBackingstoreVersionString = Util.readFully(bundleBackingstoreVersionReader);
String diskImageBundleTypeString = Util.readFully(diskImageBundleTypeReader);
String sizeString = Util.readFully(sizeReader);
if (!diskImageBundleTypeString.equals("com.apple.diskimage.sparsebundle")) {
throw new IOException(
"Unexpected value for '" + diskImageBundleTypeKey + "': " + diskImageBundleTypeString);
}
if (!bundleBackingstoreVersionString.equals("1")) {
throw new IOException("Unknown backing store version: " + bundleBackingstoreVersionString);
}
final long bandSizeLong;
try {
bandSizeLong = Long.parseLong(bandSizeString);
} catch (NumberFormatException nfe) {
throw new IOException("Illegal numeric value for " + bandSizeKey + ": " + bandSizeString);
}
final long sizeLong;
try {
sizeLong = Long.parseLong(sizeString);
} catch (NumberFormatException nfe) {
throw new IOException("Illegal numeric value for " + sizeKey + ": " + sizeString);
}
this.bandSize = bandSizeLong;
this.size = sizeLong;
}
/** Number of driver descriptor entries. Won't be more than 31 in a valid structure. */
public int getSbDrvrCount() {
return Util.unsign(getRawSbDrvrCount());
}
public void printFields(PrintStream ps, String prefix) {
ps.println(prefix + " key:");
key.print(ps, prefix + " ");
ps.println(prefix + " index: " + Util.unsign(getIndex()));
}
private long getDataPos(ReferenceListEntry entry) {
ResourceHeader header = getHeader();
return Util.unsign(header.getDataOffset()) + entry.getResourceDataOffset();
}
