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/*-
* Copyright (C) 2006 Erik Larsson
*
* All rights reserved.
*
* This program is free software; you can redistribute it and/or
* modify it under the terms of the GNU General Public License
* as published by the Free Software Foundation; either version 2
* of the License, or (at your option) any later version.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program; if not, write to the Free Software
* Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301, USA
*/
package org.catacombae.rarx;
import java.util.Vector;
import java.io.*;
import java.util.zip.CRC32;
public class RARFile {
public static final int SIZEOF_MARKHEAD = 7;
public static final int SIZEOF_OLDMHD = 7;
public static final int SIZEOF_NEWMHD = 13;
public static final int SIZEOF_OLDLHD = 21;
public static final int SIZEOF_NEWLHD = 32;
public static final int SIZEOF_SHORTBLOCKHEAD = 7;
public static final int SIZEOF_LONGBLOCKHEAD = 11;
public static final int SIZEOF_COMMHEAD = 13;
public static final int SIZEOF_PROTECTHEAD = 26;
private static BufferedReader stdin = new BufferedReader(new InputStreamReader(System.in));
public static void main(String[] args) throws IOException {
File fileListFile = new File(args[0]);
BufferedReader fileListIn = new BufferedReader(new InputStreamReader(new FileInputStream(fileListFile), "UTF-8"));
String currentRar = fileListIn.readLine();
while(currentRar != null) {
if(true) {
System.out.println("Processing file " + currentRar + "...");
try {
RARFileEntry[] entries = ListFilesInArchive.listFiles(new File(currentRar));
for(RARFileEntry entry : entries) {
NewFileHeader nfh = entry.getHeader(0);
if(nfh instanceof CommentHeader)
continue;
//if(nfh.hasOutgoingData())
System.out.print((nfh.hasIncomingData()?"<--":" ") + nfh.getFilenameAsString() + (nfh.hasOutgoingData()?"-->":""));
if(nfh.getFileAttributesStructured().isDirectory())
System.out.print(" (Dir)");
else
System.out.print(" (File)");
System.out.println();
}
} catch(InvalidDataException ide) {
System.out.println("Invalid RAR-file. Message: " + ide.getMessage());
System.out.println("File: \"" + currentRar + "\"");
}
}
else {
RandomAccessFile raf = new RandomAccessFile(currentRar, "r");
try {
readMarkHeader(raf);
NewMainArchiveHeader nmah = readNewMainArchiveHeader(raf);
NewFileHeader nfh = readNewFileHeader(raf);
} catch(InvalidDataException e) {
System.out.println("Invalid RAR-file. Message: " + e.getMessage());
System.out.println("File: \"" + currentRar + "\"");
//System.exit(1);
}
}
System.out.print("Press enter to continue...");
stdin.readLine();
System.out.println();
currentRar = fileListIn.readLine();
}
}
public static void main2(String[] args) throws IOException {
RandomAccessFile raf = new RandomAccessFile(args[0], "r");
try {
readMarkHeader(raf);
} catch(InvalidDataException e) {
System.out.println("Invalid RAR-file. Message: " + e.getMessage());
System.exit(1);
}
NewMainArchiveHeader nmah = readNewMainArchiveHeader(raf);
nmah.print(System.out, "");
NewFileHeader nfh = readNewFileHeader(raf);
nfh.print(System.out, "");
}
public static Vector list(String path, boolean fullPath) throws IOException {
RandomAccessFile raf = new RandomAccessFile(path, "r");
raf.seek(7);
NewMainArchiveHeader nmah = readNewMainArchiveHeader(raf);
return null;
}
public static boolean isRAR(RandomAccessFile raf) throws IOException {
long oldFilePointer = raf.getFilePointer();
raf.seek(0);
byte[] rarHeader = new byte[7];
raf.read(rarHeader);
/* Old archive => error */
if(rarHeader[0]==0x52 && rarHeader[1]==0x45 &&
rarHeader[2]==0x7e && rarHeader[3]==0x5e) {
//debug_log("Attention: format as OLD detected! Can't handle archive!");
}
else {
/* original RAR v2.0 */
if((rarHeader[0]==0x52 && rarHeader[1]==0x61 && /* original */
rarHeader[2]==0x72 && rarHeader[3]==0x21 && /* RAR header*/
rarHeader[4]==0x1a && rarHeader[5]==0x07 &&
rarHeader[6]==0x00) ||
/* "UniquE!" - header */
(rarHeader[0]=='U' && rarHeader[1]=='n' && /* "UniquE!" */
rarHeader[2]=='i' && rarHeader[3]=='q' && /* header */
rarHeader[4]=='u' && rarHeader[5]=='E' &&
rarHeader[6]=='!')) {
if(readNewMainArchiveHeader(raf) != null)
return true;
} else {
// Skriv ut n�t felmedd...
}
}
return false;
}
public static MarkHeader readMarkHeader(RandomAccessFile raf) throws IOException {
byte[] header = new byte[7];
raf.read(header);
MarkHeader nfh = new MarkHeader(header, 0);
return nfh;
}
public static NewMainArchiveHeader readNewMainArchiveHeader(RandomAccessFile raf) throws IOException {
byte[] mainHeader = new byte[13];
raf.read(mainHeader);
NewMainArchiveHeader nmah = new NewMainArchiveHeader(mainHeader, 0);
return nmah;
}
public static NewFileHeader readNewFileHeader(RandomAccessFile raf) throws IOException {
byte[] header = new byte[32];
raf.read(header);
int headerSize = Util.readShortLE(header, 5);
byte[] fullHeader = new byte[headerSize];
System.arraycopy(header, 0, fullHeader, 0, header.length);
raf.read(fullHeader, header.length, fullHeader.length-header.length);
NewFileHeader nfh = new NewFileHeader(fullHeader, 0);
byte[] reconstruction = nfh.getHeaderData();
if(!Util.arraysEqual(fullHeader, reconstruction))
System.out.println("ERROR: Data after reconstruction has changed!");
return nfh;
}
public static RARHeader readHeader(RandomAccessFile raf) throws IOException {
byte[] header = new byte[7];
if(raf.read(header) == -1)
return null;
int headerSize = Util.readShortLE(header, 5);
byte headerType = Util.readByteLE(header, 2);
try {
byte[] fullHeader = new byte[headerSize];
System.arraycopy(header, 0, fullHeader, 0, header.length);
raf.read(fullHeader, header.length, fullHeader.length-header.length);
//System.out.println("Reading... headerSize=" + headerSize + " headerType=" + headerType);
if(headerType == RARHeader.FILE_HEAD) {
NewFileHeader nfh = new NewFileHeader(fullHeader, 0);
raf.seek(raf.getFilePointer()+nfh.getPackSize());
return nfh;
}
else if(headerType == RARHeader.MAIN_HEAD)
return new NewMainArchiveHeader(fullHeader, 0);
else if(headerType == RARHeader.COMMENT_HEAD) {
CommentHeader ch = new CommentHeader(fullHeader, 0);
raf.seek(raf.getFilePointer()+ch.getPackSize());
return ch;
}
else if(headerType == RARHeader.PROTECT_HEAD) {
ProtectedHeader ph = new ProtectedHeader(fullHeader, 0);
raf.seek(raf.getFilePointer()+ph.getDataSize());
return ph;
}
else if(headerType == RARHeader.EOF_HEAD)
return null;
else {
System.out.println("UNRECOGNIZED HEADER TYPE: 0x" + Util.toHexStringBE(headerType) + " for header at 0x" + Util.toHexStringBE(raf.getFilePointer()-headerSize));
UnknownHeader uh = new UnknownHeader(fullHeader, 0);
uh.print(System.out, "");
return uh;
}
} catch(ArrayIndexOutOfBoundsException aioobe) {
aioobe.printStackTrace();
System.err.println("headerSize=" + headerSize);
System.err.println("headerType=" + headerType);
System.err.println("filePointer: " + raf.getFilePointer());
return null;
}
}
public static long findEntry(String entryName, RandomAccessFile rarFile) throws IOException {
readMarkHeader(rarFile);
RARHeader currentHeader = readHeader(rarFile);
while(currentHeader != null) {
if(currentHeader instanceof NewFileHeader &&
!(currentHeader instanceof CommentHeader)) {
NewFileHeader nfh = (NewFileHeader)currentHeader;
if(nfh.getFilenameAsString().equals(entryName)) {
return rarFile.getFilePointer() - (nfh.getHeadSize()+nfh.getPackSize());
}
}
currentHeader = readHeader(rarFile);
}
return -1;
}
// Utility methods
// public static int readIntLE(byte[] data) {
// return readIntLE(data, 0);
// }
// public static int readIntLE(byte[] data, int offset) {
// return ((data[offset+3] & 0xFF) << 24 |
// (data[offset+2] & 0xFF) << 16 |
// (data[offset+1] & 0xFF) << 8 |
// (data[offset+0] & 0xFF) << 0);
// }
// public static short readShortLE(byte[] data) {
// return readShortLE(data, 0);
// }
// public static short readShortLE(byte[] data, int offset) {
// return (short) ((data[offset+1] & 0xFF) << 8 |
// (data[offset+0] & 0xFF) << 0);
// }
// public static byte readByteLE(byte[] data) {
// return readByteLE(data, 0);
// }
// public static byte readByteLE(byte[] data, int offset) {
// return data[offset];
// }
}
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