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273 lines
9.6 KiB
273 lines
9.6 KiB
/*
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* This file is part of the KFTPGrabber project
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*
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* Copyright (C) 2003-2005 by the KFTPGrabber developers
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* Copyright (C) 2003-2005 Jernej Kos <kostko@jweb-network.net>
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*
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* This program is free software; you can redistribute it and/or
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* modify it under the terms of the GNU General Public License as
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* published by the Free Software Foundation; either version 2 of the
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* License, or (at your option) any later version.
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*
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* This program is distributed in the hope that it will be useful, but
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* is provided AS IS, WITHOUT ANY WARRANTY; without even the implied
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* warranty of MERCHANTABILITY, FITNESS FOR A PARTICULAR PURPOSE, and
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* NON-INFRINGEMENT. See the GNU General Public License for more details.
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*
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* You should have received a copy of the GNU General Public License
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* along with this program; if not, write to the Free Software
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* Foundation, Inc., 51 Franklin Steet, Fifth Floor, Boston,
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* MA 02110-1301, USA.
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*
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* In addition, as a special exception, the copyright holders give
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* permission to link the code of portions of this program with the
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* OpenSSL library under certain conditions as described in each
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* individual source file, and distribute linked combinations
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* including the two.
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*
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* You must obey the GNU General Public License in all respects
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* for all of the code used other than OpenSSL. If you modify
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* file(s) with this exception, you may extend this exception to your
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* version of the file(s), but you are not obligated to do so. If you
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* do not wish to do so, delete this exception statement from your
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* version. If you delete this exception statement from all source
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* files in the program, then also delete it here.
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*/
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#include "checksumverifier.h"
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#include <ntqfile.h>
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#include <ntqdir.h>
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#include <ntqapplication.h>
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#include <stdio.h>
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#include <kmdcodec.h>
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#include <kurl.h>
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namespace KFTPCore {
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ChecksumVerifierThread::ChecksumVerifierThread(ChecksumVerifier *verifier)
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: TQThread(),
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m_verifier(verifier)
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{
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}
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void ChecksumVerifierThread::run()
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{
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switch (m_verifier->m_type) {
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case ChecksumVerifier::CheckMd5: break;
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case ChecksumVerifier::CheckSfv: checkSFV(m_verifier->m_filename); break;
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}
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}
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void ChecksumVerifierThread::checkSFV(const TQString &sfvfile, const TQString &fileToCheck)
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{
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TQString fileDir = KURL(sfvfile).directory(false);
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TQDir fileSystem;
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TQFile file(sfvfile);
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if (!file.open(IO_ReadOnly)) {
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// Dispatch the event that we have failed the verification
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ChecksumVerifierThreadEvent *e = new ChecksumVerifierThreadEvent(2);
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tqApp->postEvent(m_verifier, e);
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return;
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}
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TQValueList<TQPair<TQString, TQString> > fileList;
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while (!file.atEnd()) {
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TQString line;
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file.readLine(line, 1024);
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line = line.simplifyWhiteSpace();
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// Check if the line is a comment or a blank line (<3 chars)
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if (line[0] == ';' || line.length() < 3)
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continue;
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// filename.r00 C46D96FF
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TQString fileName = line.section(' ', 0, 0);
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TQString checksum = line.section(' ', 1, 1);
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checksum = checksum.lower();
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if (checksum.length() != 8) {
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// Dispatch the event that we have failed the verification
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ChecksumVerifierThreadEvent *e = new ChecksumVerifierThreadEvent(2);
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tqApp->postEvent(m_verifier, e);
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file.close();
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return;
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}
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if (fileToCheck != TQString::null && fileName != fileToCheck)
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continue;
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fileList.append(TQPair<TQString, TQString>(fileName, checksum));
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}
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file.close();
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// Dispatch the event that we have the list
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ChecksumVerifierThreadEvent *e = new ChecksumVerifierThreadEvent(fileList);
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tqApp->postEvent(m_verifier, e);
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// Check the obtained checksums
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int done = 0;
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for (TQValueList<TQPair<TQString, TQString> >::iterator i = fileList.begin(); i != fileList.end(); ++i) {
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if (!fileSystem.exists(fileDir + (*i).first)) {
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ChecksumVerifierThreadEvent *e = new ChecksumVerifierThreadEvent((*i).first, ChecksumVerifier::NotFound);
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tqApp->postEvent(m_verifier, e);
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e = new ChecksumVerifierThreadEvent(3, (++done * 100) / fileList.count());
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tqApp->postEvent(m_verifier, e);
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continue;
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}
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long l_fileCRC = getFileCRC(TQString(fileDir + (*i).first).ascii());
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TQString fileCRC;
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fileCRC.sprintf("%08lX", l_fileCRC);
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fileCRC = fileCRC.lower();
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ChecksumVerifierThreadEvent *e = new ChecksumVerifierThreadEvent((*i).first, fileCRC == (*i).second ? ChecksumVerifier::Ok : ChecksumVerifier::Error);
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tqApp->postEvent(m_verifier, e);
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e = new ChecksumVerifierThreadEvent(3, (++done * 100) / fileList.count());
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tqApp->postEvent(m_verifier, e);
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}
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}
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inline long ChecksumVerifierThread::UpdateCRC(unsigned long CRC, char *buffer, long count)
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{
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unsigned long CRCTABLE[] = {
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0x00000000, 0x77073096, 0xee0e612c, 0x990951ba, 0x076dc419, 0x706af48f,
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0xe963a535, 0x9e6495a3, 0x0edb8832, 0x79dcb8a4, 0xe0d5e91e, 0x97d2d988,
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0x09b64c2b, 0x7eb17cbd, 0xe7b82d07, 0x90bf1d91, 0x1db71064, 0x6ab020f2,
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0xf3b97148, 0x84be41de, 0x1adad47d, 0x6ddde4eb, 0xf4d4b551, 0x83d385c7,
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0x136c9856, 0x646ba8c0, 0xfd62f97a, 0x8a65c9ec, 0x14015c4f, 0x63066cd9,
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0xfa0f3d63, 0x8d080df5, 0x3b6e20c8, 0x4c69105e, 0xd56041e4, 0xa2677172,
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0x3c03e4d1, 0x4b04d447, 0xd20d85fd, 0xa50ab56b, 0x35b5a8fa, 0x42b2986c,
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0xdbbbc9d6, 0xacbcf940, 0x32d86ce3, 0x45df5c75, 0xdcd60dcf, 0xabd13d59,
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0x26d930ac, 0x51de003a, 0xc8d75180, 0xbfd06116, 0x21b4f4b5, 0x56b3c423,
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0xcfba9599, 0xb8bda50f, 0x2802b89e, 0x5f058808, 0xc60cd9b2, 0xb10be924,
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0x2f6f7c87, 0x58684c11, 0xc1611dab, 0xb6662d3d, 0x76dc4190, 0x01db7106,
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0x98d220bc, 0xefd5102a, 0x71b18589, 0x06b6b51f, 0x9fbfe4a5, 0xe8b8d433,
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0x7807c9a2, 0x0f00f934, 0x9609a88e, 0xe10e9818, 0x7f6a0dbb, 0x086d3d2d,
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0x91646c97, 0xe6635c01, 0x6b6b51f4, 0x1c6c6162, 0x856530d8, 0xf262004e,
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0x6c0695ed, 0x1b01a57b, 0x8208f4c1, 0xf50fc457, 0x65b0d9c6, 0x12b7e950,
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0x8bbeb8ea, 0xfcb9887c, 0x62dd1ddf, 0x15da2d49, 0x8cd37cf3, 0xfbd44c65,
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0x4db26158, 0x3ab551ce, 0xa3bc0074, 0xd4bb30e2, 0x4adfa541, 0x3dd895d7,
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0xa4d1c46d, 0xd3d6f4fb, 0x4369e96a, 0x346ed9fc, 0xad678846, 0xda60b8d0,
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0x44042d73, 0x33031de5, 0xaa0a4c5f, 0xdd0d7cc9, 0x5005713c, 0x270241aa,
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0xbe0b1010, 0xc90c2086, 0x5768b525, 0x206f85b3, 0xb966d409, 0xce61e49f,
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0x5edef90e, 0x29d9c998, 0xb0d09822, 0xc7d7a8b4, 0x59b33d17, 0x2eb40d81,
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0xb7bd5c3b, 0xc0ba6cad, 0xedb88320, 0x9abfb3b6, 0x03b6e20c, 0x74b1d29a,
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0xead54739, 0x9dd277af, 0x04db2615, 0x73dc1683, 0xe3630b12, 0x94643b84,
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0x0d6d6a3e, 0x7a6a5aa8, 0xe40ecf0b, 0x9309ff9d, 0x0a00ae27, 0x7d079eb1,
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0xf00f9344, 0x8708a3d2, 0x1e01f268, 0x6906c2fe, 0xf762575d, 0x806567cb,
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0x196c3671, 0x6e6b06e7, 0xfed41b76, 0x89d32be0, 0x10da7a5a, 0x67dd4acc,
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0xf9b9df6f, 0x8ebeeff9, 0x17b7be43, 0x60b08ed5, 0xd6d6a3e8, 0xa1d1937e,
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0x38d8c2c4, 0x4fdff252, 0xd1bb67f1, 0xa6bc5767, 0x3fb506dd, 0x48b2364b,
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0xd80d2bda, 0xaf0a1b4c, 0x36034af6, 0x41047a60, 0xdf60efc3, 0xa867df55,
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0x316e8eef, 0x4669be79, 0xcb61b38c, 0xbc66831a, 0x256fd2a0, 0x5268e236,
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0xcc0c7795, 0xbb0b4703, 0x220216b9, 0x5505262f, 0xc5ba3bbe, 0xb2bd0b28,
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0x2bb45a92, 0x5cb36a04, 0xc2d7ffa7, 0xb5d0cf31, 0x2cd99e8b, 0x5bdeae1d,
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0x9b64c2b0, 0xec63f226, 0x756aa39c, 0x026d930a, 0x9c0906a9, 0xeb0e363f,
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0x72076785, 0x05005713, 0x95bf4a82, 0xe2b87a14, 0x7bb12bae, 0x0cb61b38,
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0x92d28e9b, 0xe5d5be0d, 0x7cdcefb7, 0x0bdbdf21, 0x86d3d2d4, 0xf1d4e242,
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0x68ddb3f8, 0x1fda836e, 0x81be16cd, 0xf6b9265b, 0x6fb077e1, 0x18b74777,
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0x88085ae6, 0xff0f6a70, 0x66063bca, 0x11010b5c, 0x8f659eff, 0xf862ae69,
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0x616bffd3, 0x166ccf45, 0xa00ae278, 0xd70dd2ee, 0x4e048354, 0x3903b3c2,
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0xa7672661, 0xd06016f7, 0x4969474d, 0x3e6e77db, 0xaed16a4a, 0xd9d65adc,
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0x40df0b66, 0x37d83bf0, 0xa9bcae53, 0xdebb9ec5, 0x47b2cf7f, 0x30b5ffe9,
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0xbdbdf21c, 0xcabac28a, 0x53b39330, 0x24b4a3a6, 0xbad03605, 0xcdd70693,
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0x54de5729, 0x23d967bf, 0xb3667a2e, 0xc4614ab8, 0x5d681b02, 0x2a6f2b94,
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0xb40bbe37, 0xc30c8ea1, 0x5a05df1b, 0x2d02ef8d
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};
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if (buffer && count) {
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do {
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CRC =
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((CRC >> 8) & 0xFFFFFF) ^
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CRCTABLE[(unsigned char)((CRC & 0xff) ^
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*buffer++)];
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}
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while (--count);
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}
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return CRC;
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}
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long ChecksumVerifierThread::getFileCRC(const char *filename)
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{
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unsigned long crc = 0xffffffff;
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FILE *f;
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long totalread = 0;
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long localread;
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/*
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* Note: different buffer sizes may result in noticable
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* different performance depending on system, so feel
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* free to modify.
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*/
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#define BUFFERSIZE 65536*16
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char buffer[BUFFERSIZE];
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if ((f = fopen(filename, "rb")) != NULL) {
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do {
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if ((localread = fread(buffer, 1, BUFFERSIZE, f))) {
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crc = UpdateCRC(crc, buffer, localread);
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totalread = totalread + localread;
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}
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}
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while (localread > 0);
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fclose(f);
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crc = crc ^ 0xffffffff;
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} else {
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return -1;
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}
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return crc;
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#undef BUFFERSIZE
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}
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ChecksumVerifier::ChecksumVerifier(const TQString &filename, Type type)
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: TQObject(),
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m_filename(filename),
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m_type(type),
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m_thread(0)
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{
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}
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ChecksumVerifier::~ChecksumVerifier()
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{
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if (m_thread) {
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m_thread->terminate();
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m_thread->wait();
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delete m_thread;
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}
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}
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void ChecksumVerifier::verify()
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{
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m_thread = new ChecksumVerifierThread(this);
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m_thread->start();
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}
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void ChecksumVerifier::customEvent(TQCustomEvent *e)
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{
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if (e->type() == CV_THR_EVENT_ID) {
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ChecksumVerifierThreadEvent *ev = static_cast<ChecksumVerifierThreadEvent*>(e);
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switch (ev->m_type) {
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case 0: emit fileDone(ev->m_filename, ev->m_result); break;
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case 1: emit fileList(ev->m_list); break;
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case 2: emit error(); break;
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case 3: emit progress(ev->m_progress); break;
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}
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}
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}
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}
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#include "checksumverifier.moc"
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