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00021 #include <stdlib.h>
00022 #include <time.h>
00023
00024
00025
00026 #include <assert.h>
00027
00028 #include <qcstring.h>
00029 #include <qdir.h>
00030 #include <qfile.h>
00031 #include <kdebug.h>
00032 #include <kmimetype.h>
00033 #include <ktempfile.h>
00034
00035 #include <kfilterdev.h>
00036 #include <kfilterbase.h>
00037
00038 #include "ktar.h"
00039 #include <kstandarddirs.h>
00040
00044
00045 class KTar::KTarPrivate
00046 {
00047 public:
00048 KTarPrivate() : tarEnd( 0 ) {}
00049 QStringList dirList;
00050 int tarEnd;
00051 KTempFile* tmpFile;
00052 QString mimetype;
00053 QCString origFileName;
00054
00055 bool fillTempFile(const QString & filename);
00056 bool writeBackTempFile( const QString & filename );
00057 };
00058
00059 KTar::KTar( const QString& filename, const QString & _mimetype )
00060 : KArchive( 0L )
00061 {
00062 m_filename = filename;
00063 d = new KTarPrivate;
00064 d->tmpFile = 0L;
00065 d->mimetype = _mimetype;
00066 QString mimetype( _mimetype );
00067 bool forced = true;
00068 if ( mimetype.isEmpty() )
00069 {
00070 if ( QFile::exists( filename ) )
00071 mimetype = KMimeType::findByFileContent( filename )->name();
00072 else
00073 mimetype = KMimeType::findByPath( filename, 0, true )->name();
00074 kdDebug(7041) << "KTar::KTar mimetype = " << mimetype << endl;
00075
00076
00077 if ( mimetype == "application/x-tgz" || mimetype == "application/x-targz" ||
00078 mimetype == "application/x-webarchive" )
00079 {
00080
00081 mimetype = "application/x-gzip";
00082 }
00083 else if ( mimetype == "application/x-tbz" )
00084 {
00085 mimetype = "application/x-bzip2";
00086 }
00087 else
00088 {
00089
00090 QFile file( filename );
00091 if ( file.open( IO_ReadOnly ) )
00092 {
00093 unsigned char firstByte = file.getch();
00094 unsigned char secondByte = file.getch();
00095 unsigned char thirdByte = file.getch();
00096 if ( firstByte == 0037 && secondByte == 0213 )
00097 mimetype = "application/x-gzip";
00098 else if ( firstByte == 'B' && secondByte == 'Z' && thirdByte == 'h' )
00099 mimetype = "application/x-bzip2";
00100 else if ( firstByte == 'P' && secondByte == 'K' && thirdByte == 3 )
00101 {
00102 unsigned char fourthByte = file.getch();
00103 if ( fourthByte == 4 )
00104 mimetype = "application/x-zip";
00105 }
00106 }
00107 file.close();
00108 }
00109 forced = false;
00110 d->mimetype = mimetype;
00111 }
00112
00113 prepareDevice( filename, mimetype, forced );
00114 }
00115
00116 void KTar::prepareDevice( const QString & filename,
00117 const QString & mimetype, bool )
00118 {
00119 if( "application/x-tar" == mimetype )
00120 setDevice( new QFile( filename ) );
00121 else
00122 {
00123
00124
00125
00126
00127
00128
00129
00130
00131
00132 d->tmpFile = new KTempFile(locateLocal("tmp", "ktar-"),".tar");
00133 kdDebug( 7041 ) << "KTar::prepareDevice creating TempFile: " << d->tmpFile->name() << endl;
00134 d->tmpFile->setAutoDelete(true);
00135
00136
00137
00138 QFile* file = d->tmpFile->file();
00139 file->close();
00140 setDevice(file);
00141 }
00142 }
00143
00144 KTar::KTar( QIODevice * dev )
00145 : KArchive( dev )
00146 {
00147 d = new KTarPrivate;
00148 }
00149
00150 KTar::~KTar()
00151 {
00152
00153 if( isOpened() )
00154 close();
00155
00156 if (d->tmpFile)
00157 delete d->tmpFile;
00158 else if ( !m_filename.isEmpty() )
00159 delete device();
00160
00161
00162 delete d;
00163 }
00164
00165 void KTar::setOrigFileName( const QCString & fileName )
00166 {
00167 if ( !isOpened() || !(mode() & IO_WriteOnly) )
00168 {
00169 kdWarning(7041) << "KTar::setOrigFileName: File must be opened for writing first.\n";
00170 return;
00171 }
00172 d->origFileName = fileName;
00173 }
00174
00175 Q_LONG KTar::readRawHeader(char *buffer) {
00176
00177 Q_LONG n = device()->readBlock( buffer, 0x200 );
00178 if ( n == 0x200 && buffer[0] != 0 ) {
00179
00180 if (strncmp(buffer + 257, "ustar", 5)) {
00181
00182 QCString s;
00183
00184 int check = 0;
00185 for( uint j = 0; j < 0x200; ++j )
00186 check += buffer[j];
00187
00188
00189 for( uint j = 0; j < 8 ; j++ )
00190 check -= buffer[148 + j];
00191 check += 8 * ' ';
00192
00193 s.sprintf("%o", check );
00194
00195
00196
00197 if( strncmp( buffer + 148 + 6 - s.length(), s.data(), s.length() ) ) {
00198 kdWarning(7041) << "KTar: invalid TAR file. Header is: " << QCString( buffer+257, 5 ) << endl;
00199 return -1;
00200 }
00201 }
00202 } else {
00203
00204 if (n == 0x200) n = 0;
00205 }
00206 return n;
00207 }
00208
00209 bool KTar::readLonglink(char *buffer,QCString &longlink) {
00210 Q_LONG n = 0;
00211 QIODevice *dev = device();
00212
00213
00214 buffer[ 0x88 ] = 0;
00215 char *dummy;
00216 const char* p = buffer + 0x7c;
00217 while( *p == ' ' ) ++p;
00218 int size = (int)strtol( p, &dummy, 8 );
00219
00220 longlink.resize(size);
00221 size--;
00222 dummy = longlink.data();
00223 int offset = 0;
00224 while (size > 0) {
00225 int chunksize = QMIN(size, 0x200);
00226 n = dev->readBlock( dummy + offset, chunksize );
00227 if (n == -1) return false;
00228 size -= chunksize;
00229 offset += 0x200;
00230 }
00231
00232 int skip = 0x200 - (n % 0x200);
00233 if (skip < 0x200) {
00234 if (dev->readBlock(buffer,skip) != skip) return false;
00235 }
00236 return true;
00237 }
00238
00239 Q_LONG KTar::readHeader(char *buffer,QString &name,QString &symlink) {
00240 name.truncate(0);
00241 symlink.truncate(0);
00242 while (true) {
00243 Q_LONG n = readRawHeader(buffer);
00244 if (n != 0x200) return n;
00245
00246
00247 if (strcmp(buffer,"././@LongLink") == 0) {
00248 char typeflag = buffer[0x9c];
00249 QCString longlink;
00250 readLonglink(buffer,longlink);
00251 switch (typeflag) {
00252 case 'L': name = QFile::decodeName(longlink); break;
00253 case 'K': symlink = QFile::decodeName(longlink); break;
00254 }
00255 } else {
00256 break;
00257 }
00258 }
00259
00260
00261 if (name.isEmpty())
00262 name = QFile::decodeName(buffer);
00263 if (symlink.isEmpty())
00264 symlink = QFile::decodeName(buffer + 0x9d);
00265
00266 return 0x200;
00267 }
00268
00269
00270
00271
00272
00273
00274 bool KTar::KTarPrivate::fillTempFile( const QString & filename) {
00275 if ( ! tmpFile )
00276 return true;
00277
00278 kdDebug( 7041 ) <<
00279 "KTar::openArchive: filling tmpFile of mimetype '" << mimetype <<
00280 "' ... " << endl;
00281
00282 bool forced = false;
00283 if( "application/x-gzip" == mimetype
00284 || "application/x-bzip2" == mimetype)
00285 forced = true;
00286
00287 QIODevice *filterDev = KFilterDev::deviceForFile( filename, mimetype, forced );
00288
00289 if( filterDev ) {
00290 QFile* file = tmpFile->file();
00291 file->close();
00292 if ( ! file->open( IO_WriteOnly ) )
00293 {
00294 delete filterDev;
00295 return false;
00296 }
00297 QByteArray buffer(8*1024);
00298 if ( ! filterDev->open( IO_ReadOnly ) )
00299 {
00300 delete filterDev;
00301 return false;
00302 }
00303 Q_LONG len;
00304 while ( !filterDev->atEnd() ) {
00305 len = filterDev->readBlock(buffer.data(),buffer.size());
00306 if ( len <= 0 ) {
00307 delete filterDev;
00308 return false;
00309 }
00310 file->writeBlock(buffer.data(),len);
00311 }
00312 filterDev->close();
00313 delete filterDev;
00314
00315 file->close();
00316 if ( ! file->open( IO_ReadOnly ) )
00317 return false;
00318 }
00319 else
00320 kdDebug( 7041 ) << "KTar::openArchive: no filterdevice found!" << endl;
00321
00322 kdDebug( 7041 ) << "KTar::openArchive: filling tmpFile finished." << endl;
00323 return true;
00324 }
00325
00326 bool KTar::openArchive( int mode )
00327 {
00328 kdDebug( 7041 ) << "KTar::openArchive" << endl;
00329 if ( !(mode & IO_ReadOnly) )
00330 return true;
00331
00332 if ( !d->fillTempFile( m_filename ) )
00333 return false;
00334
00335
00336
00337
00338
00339
00340 d->dirList.clear();
00341 QIODevice* dev = device();
00342
00343
00344 char buffer[ 0x200 ];
00345 bool ende = false;
00346 do
00347 {
00348 QString name;
00349 QString symlink;
00350
00351
00352 Q_LONG n = readHeader(buffer,name,symlink);
00353 if (n < 0) return false;
00354 if (n == 0x200)
00355 {
00356 bool isdir = false;
00357 QString nm;
00358
00359 if ( name.right(1) == "/" )
00360 {
00361 isdir = true;
00362 name = name.left( name.length() - 1 );
00363 }
00364
00365 int pos = name.findRev( '/' );
00366 if ( pos == -1 )
00367 nm = name;
00368 else
00369 nm = name.mid( pos + 1 );
00370
00371
00372 buffer[ 0x6b ] = 0;
00373 char *dummy;
00374 const char* p = buffer + 0x64;
00375 while( *p == ' ' ) ++p;
00376 int access = (int)strtol( p, &dummy, 8 );
00377
00378
00379 QString user( buffer + 0x109 );
00380 QString group( buffer + 0x129 );
00381
00382
00383 buffer[ 0x93 ] = 0;
00384 p = buffer + 0x88;
00385 while( *p == ' ' ) ++p;
00386 int time = (int)strtol( p, &dummy, 8 );
00387
00388
00389 char typeflag = buffer[ 0x9c ];
00390
00391
00392
00393 if ( typeflag == '1' )
00394 isdir = true;
00395
00396 bool isDumpDir = false;
00397 if ( typeflag == 'D' )
00398 {
00399 isdir = false;
00400 isDumpDir = true;
00401 }
00402
00403
00404
00405 if (isdir)
00406 access |= S_IFDIR;
00407
00408 KArchiveEntry* e;
00409 if ( isdir )
00410 {
00411
00412 e = new KArchiveDirectory( this, nm, access, time, user, group, symlink );
00413 }
00414 else
00415 {
00416
00417 buffer[ 0x88 ] = 0;
00418 char *dummy;
00419 const char* p = buffer + 0x7c;
00420 while( *p == ' ' ) ++p;
00421 int size = (int)strtol( p, &dummy, 8 );
00422
00423
00424 if ( isDumpDir )
00425 {
00426 e = new KArchiveDirectory( this, nm, access, time, user, group, symlink );
00427 }
00428 else
00429 {
00430
00431
00432 if ( typeflag == '1' )
00433 {
00434 size = nm.length();
00435 kdDebug(7041) << "HARD LINK, setting size to " << size << endl;
00436 }
00437
00438
00439 e = new KArchiveFile( this, nm, access, time, user, group, symlink,
00440 dev->at(), size );
00441 }
00442
00443
00444 int rest = size % 0x200;
00445 int skip = size + (rest ? 0x200 - rest : 0);
00446
00447 if (! dev->at( dev->at() + skip ) )
00448 kdWarning(7041) << "KArchive::open skipping " << skip << " failed" << endl;
00449 }
00450
00451 if ( pos == -1 )
00452 {
00453 if ( nm == "." )
00454 {
00455 Q_ASSERT( isdir );
00456 if ( isdir )
00457 setRootDir( static_cast<KArchiveDirectory *>( e ) );
00458 }
00459 else
00460 rootDir()->addEntry( e );
00461 }
00462 else
00463 {
00464
00465 QString path = QDir::cleanDirPath( name.left( pos ) );
00466
00467 KArchiveDirectory * d = findOrCreate( path );
00468 d->addEntry( e );
00469 }
00470 }
00471 else
00472 {
00473
00474 d->tarEnd = dev->at() - n;
00475 ende = true;
00476 }
00477 } while( !ende );
00478 return true;
00479 }
00480
00481
00482
00483
00484
00485
00486 bool KTar::KTarPrivate::writeBackTempFile( const QString & filename ) {
00487 if ( ! tmpFile )
00488 return true;
00489
00490 kdDebug(7041) << "Write temporary file to compressed file" << endl;
00491 kdDebug(7041) << filename << " " << mimetype << endl;
00492
00493 bool forced = false;
00494 if( "application/x-gzip" == mimetype
00495 || "application/x-bzip2" == mimetype)
00496 forced = true;
00497
00498
00499 QIODevice *dev = KFilterDev::deviceForFile( filename, mimetype, forced );
00500 if( dev ) {
00501 QFile* file = tmpFile->file();
00502 file->close();
00503 if ( ! file->open(IO_ReadOnly) || ! dev->open(IO_WriteOnly) )
00504 {
00505 file->close();
00506 delete dev;
00507 return false;
00508 }
00509 if ( forced )
00510 static_cast<KFilterDev *>(dev)->setOrigFileName( origFileName );
00511 QByteArray buffer(8*1024);
00512 Q_LONG len;
00513 while ( ! file->atEnd()) {
00514 len = file->readBlock(buffer.data(),buffer.size());
00515 dev->writeBlock(buffer.data(),len);
00516 }
00517 file->close();
00518 dev->close();
00519 delete dev;
00520 }
00521
00522 kdDebug(7041) << "Write temporary file to compressed file done." << endl;
00523 return true;
00524 }
00525
00526 bool KTar::closeArchive()
00527 {
00528 d->dirList.clear();
00529
00530
00531
00532
00533 if( mode() == IO_WriteOnly)
00534 return d->writeBackTempFile( m_filename );
00535
00536 return true;
00537 }
00538
00539 bool KTar::writeDir( const QString& name, const QString& user, const QString& group )
00540 {
00541 mode_t perm = 040755;
00542 time_t the_time = time(0);
00543 return writeDir(name,user,group,perm,the_time,the_time,the_time);
00544 #if 0
00545 if ( !isOpened() )
00546 {
00547 kdWarning(7041) << "KTar::writeDir: You must open the tar file before writing to it\n";
00548 return false;
00549 }
00550
00551 if ( !(mode() & IO_WriteOnly) )
00552 {
00553 kdWarning(7041) << "KTar::writeDir: You must open the tar file for writing\n";
00554 return false;
00555 }
00556
00557
00558 QString dirName ( QDir::cleanDirPath( name ) );
00559
00560
00561 if ( dirName.right(1) != "/" )
00562 dirName += "/";
00563
00564 if ( d->dirList.contains( dirName ) )
00565 return true;
00566
00567 char buffer[ 0x201 ];
00568 memset( buffer, 0, 0x200 );
00569 if ( mode() & IO_ReadWrite ) device()->at(d->tarEnd);
00570
00571
00572 if ( dirName.length() > 99 )
00573 {
00574 strcpy( buffer, "././@LongLink" );
00575 fillBuffer( buffer, " 0", dirName.length()+1, 'L', user.local8Bit(), group.local8Bit() );
00576 device()->writeBlock( buffer, 0x200 );
00577 strncpy( buffer, QFile::encodeName(dirName), 0x200 );
00578 buffer[0x200] = 0;
00579
00580 device()->writeBlock( buffer, 0x200 );
00581
00582 }
00583 else
00584 {
00585
00586 strncpy( buffer, QFile::encodeName(dirName), 0x200 );
00587 buffer[0x200] = 0;
00588 }
00589
00590 fillBuffer( buffer, " 40755", 0, 0x35, user.local8Bit(), group.local8Bit());
00591
00592
00593 device()->writeBlock( buffer, 0x200 );
00594 if ( mode() & IO_ReadWrite ) d->tarEnd = device()->at();
00595
00596 d->dirList.append( dirName );
00597 return true;
00598 #endif
00599 }
00600
00601 bool KTar::prepareWriting( const QString& name, const QString& user, const QString& group, uint size )
00602 {
00603 mode_t dflt_perm = 0100644;
00604 time_t the_time = time(0);
00605 return prepareWriting(name,user,group,size,dflt_perm,
00606 the_time,the_time,the_time);
00607 }
00608
00609 bool KTar::doneWriting( uint size )
00610 {
00611
00612 int rest = size % 0x200;
00613 if ( mode() & IO_ReadWrite )
00614 d->tarEnd = device()->at() + (rest ? 0x200 - rest : 0);
00615 if ( rest )
00616 {
00617 char buffer[ 0x201 ];
00618 for( uint i = 0; i < 0x200; ++i )
00619 buffer[i] = 0;
00620 Q_LONG nwritten = device()->writeBlock( buffer, 0x200 - rest );
00621 return nwritten == 0x200 - rest;
00622 }
00623 return true;
00624 }
00625
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00647
00648
00649 void KTar::fillBuffer( char * buffer,
00650 const char * mode, int size, time_t mtime, char typeflag,
00651 const char * uname, const char * gname )
00652 {
00653
00654 assert( strlen(mode) == 6 );
00655 strcpy( buffer+0x64, mode );
00656 buffer[ 0x6a ] = ' ';
00657 buffer[ 0x6b ] = '\0';
00658
00659
00660 strcpy( buffer + 0x6c, " 765 ");
00661
00662 strcpy( buffer + 0x74, " 144 ");
00663
00664
00665 QCString s;
00666 s.sprintf("%o", size);
00667 s = s.rightJustify( 11, ' ' );
00668 strcpy( buffer + 0x7c, s.data() );
00669 buffer[ 0x87 ] = ' ';
00670
00671
00672 s.sprintf("%lo", static_cast<unsigned long>(mtime) );
00673 s = s.rightJustify( 11, ' ' );
00674 strcpy( buffer + 0x88, s.data() );
00675 buffer[ 0x93 ] = ' ';
00676
00677
00678 buffer[ 0x94 ] = 0x20;
00679 buffer[ 0x95 ] = 0x20;
00680 buffer[ 0x96 ] = 0x20;
00681 buffer[ 0x97 ] = 0x20;
00682 buffer[ 0x98 ] = 0x20;
00683 buffer[ 0x99 ] = 0x20;
00684
00685
00686
00687
00688
00689
00690 buffer[ 0x9a ] = '\0';
00691 buffer[ 0x9b ] = ' ';
00692
00693
00694 buffer[ 0x9c ] = typeflag;
00695
00696
00697 strcpy( buffer + 0x101, "ustar");
00698 strcpy( buffer + 0x107, "00" );
00699
00700
00701 strcpy( buffer + 0x109, uname );
00702
00703 strcpy( buffer + 0x129, gname );
00704
00705
00706 int check = 32;
00707 for( uint j = 0; j < 0x200; ++j )
00708 check += buffer[j];
00709 s.sprintf("%o", check );
00710 s = s.rightJustify( 7, ' ' );
00711 strcpy( buffer + 0x94, s.data() );
00712 }
00713
00714 void KTar::writeLonglink(char *buffer, const QCString &name, char typeflag,
00715 const char *uname, const char *gname) {
00716 strcpy( buffer, "././@LongLink" );
00717 int namelen = name.length() + 1;
00718 fillBuffer( buffer, " 0", namelen, 0, typeflag, uname, gname );
00719 device()->writeBlock( buffer, 0x200 );
00720 int offset = 0;
00721 while (namelen > 0) {
00722 int chunksize = QMIN(namelen, 0x200);
00723 memcpy(buffer, name.data()+offset, chunksize);
00724
00725 device()->writeBlock( buffer, 0x200 );
00726
00727 namelen -= chunksize;
00728 offset += 0x200;
00729 }
00730 }
00731
00732 bool KTar::prepareWriting(const QString& name, const QString& user,
00733 const QString& group, uint size, mode_t perm,
00734 time_t atime, time_t mtime, time_t ctime) {
00735 return KArchive::prepareWriting(name,user,group,size,perm,atime,mtime,ctime);
00736 }
00737
00738 bool KTar::prepareWriting_impl(const QString &name, const QString &user,
00739 const QString &group, uint size, mode_t perm,
00740 time_t , time_t mtime, time_t ) {
00741 if ( !isOpened() )
00742 {
00743 kdWarning(7041) << "KTar::prepareWriting: You must open the tar file before writing to it\n";
00744 return false;
00745 }
00746
00747 if ( !(mode() & IO_WriteOnly) )
00748 {
00749 kdWarning(7041) << "KTar::prepareWriting: You must open the tar file for writing\n";
00750 return false;
00751 }
00752
00753
00754 QString fileName ( QDir::cleanDirPath( name ) );
00755
00756
00757
00758
00759
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00774
00775 char buffer[ 0x201 ];
00776 memset( buffer, 0, 0x200 );
00777 if ( mode() & IO_ReadWrite ) device()->at(d->tarEnd);
00778
00779
00780 QCString encodedFilename = QFile::encodeName(fileName);
00781 QCString uname = user.local8Bit();
00782 QCString gname = group.local8Bit();
00783
00784
00785 if ( fileName.length() > 99 )
00786 writeLonglink(buffer,encodedFilename,'L',uname,gname);
00787
00788
00789 strncpy( buffer, encodedFilename, 99 );
00790 buffer[99] = 0;
00791
00792 memset(buffer+0x9d, 0, 0x200 - 0x9d);
00793
00794 QCString permstr;
00795 permstr.sprintf("%o",perm);
00796 permstr.rightJustify(6, ' ');
00797 fillBuffer(buffer, permstr, size, mtime, 0x30, uname, gname);
00798
00799
00800 return device()->writeBlock( buffer, 0x200 ) == 0x200;
00801 }
00802
00803 bool KTar::writeDir(const QString& name, const QString& user,
00804 const QString& group, mode_t perm,
00805 time_t atime, time_t mtime, time_t ctime) {
00806 return KArchive::writeDir(name,user,group,perm,atime,mtime,ctime);
00807 }
00808
00809 bool KTar::writeDir_impl(const QString &name, const QString &user,
00810 const QString &group, mode_t perm,
00811 time_t , time_t mtime, time_t ) {
00812 if ( !isOpened() )
00813 {
00814 kdWarning(7041) << "KTar::writeDir: You must open the tar file before writing to it\n";
00815 return false;
00816 }
00817
00818 if ( !(mode() & IO_WriteOnly) )
00819 {
00820 kdWarning(7041) << "KTar::writeDir: You must open the tar file for writing\n";
00821 return false;
00822 }
00823
00824
00825 QString dirName ( QDir::cleanDirPath( name ) );
00826
00827
00828 if ( dirName.right(1) != "/" )
00829 dirName += "/";
00830
00831 if ( d->dirList.contains( dirName ) )
00832 return true;
00833
00834 char buffer[ 0x201 ];
00835 memset( buffer, 0, 0x200 );
00836 if ( mode() & IO_ReadWrite ) device()->at(d->tarEnd);
00837
00838
00839 QCString encodedDirname = QFile::encodeName(dirName);
00840 QCString uname = user.local8Bit();
00841 QCString gname = group.local8Bit();
00842
00843
00844 if ( dirName.length() > 99 )
00845 writeLonglink(buffer,encodedDirname,'L',uname,gname);
00846
00847
00848 strncpy( buffer, encodedDirname, 99 );
00849 buffer[99] = 0;
00850
00851 memset(buffer+0x9d, 0, 0x200 - 0x9d);
00852
00853 QCString permstr;
00854 permstr.sprintf("%o",perm);
00855 permstr.rightJustify(6, ' ');
00856 fillBuffer( buffer, permstr, 0, mtime, 0x35, uname, gname);
00857
00858
00859 device()->writeBlock( buffer, 0x200 );
00860 if ( mode() & IO_ReadWrite ) d->tarEnd = device()->at();
00861
00862 d->dirList.append( dirName );
00863 return true;
00864 }
00865
00866 bool KTar::writeSymLink(const QString &name, const QString &target,
00867 const QString &user, const QString &group,
00868 mode_t perm, time_t atime, time_t mtime, time_t ctime) {
00869 return KArchive::writeSymLink(name,target,user,group,perm,atime,mtime,ctime);
00870 }
00871
00872 bool KTar::writeSymLink_impl(const QString &name, const QString &target,
00873 const QString &user, const QString &group,
00874 mode_t perm, time_t , time_t mtime, time_t ) {
00875 if ( !isOpened() )
00876 {
00877 kdWarning(7041) << "KTar::writeSymLink: You must open the tar file before writing to it\n";
00878 return false;
00879 }
00880
00881 if ( !(mode() & IO_WriteOnly) )
00882 {
00883 kdWarning(7041) << "KTar::writeSymLink: You must open the tar file for writing\n";
00884 return false;
00885 }
00886
00887 device()->flush();
00888
00889
00890 QString fileName ( QDir::cleanDirPath( name ) );
00891
00892 char buffer[ 0x201 ];
00893 memset( buffer, 0, 0x200 );
00894 if ( mode() & IO_ReadWrite ) device()->at(d->tarEnd);
00895
00896
00897 QCString encodedFilename = QFile::encodeName(fileName);
00898 QCString encodedTarget = QFile::encodeName(target);
00899 QCString uname = user.local8Bit();
00900 QCString gname = group.local8Bit();
00901
00902
00903 if (target.length() > 99)
00904 writeLonglink(buffer,encodedTarget,'K',uname,gname);
00905 if ( fileName.length() > 99 )
00906 writeLonglink(buffer,encodedFilename,'L',uname,gname);
00907
00908
00909 strncpy( buffer, encodedFilename, 99 );
00910 buffer[99] = 0;
00911
00912 strncpy(buffer+0x9d, encodedTarget, 99);
00913 buffer[0x9d+99] = 0;
00914
00915 memset(buffer+0x9d+100, 0, 0x200 - 100 - 0x9d);
00916
00917 QCString permstr;
00918 permstr.sprintf("%o",perm);
00919 permstr.rightJustify(6, ' ');
00920 fillBuffer(buffer, permstr, 0, mtime, 0x32, uname, gname);
00921
00922
00923 bool retval = device()->writeBlock( buffer, 0x200 ) == 0x200;
00924 if ( mode() & IO_ReadWrite ) d->tarEnd = device()->at();
00925 return retval;
00926 }
00927
00928 void KTar::virtual_hook( int id, void* data ) {
00929 switch (id) {
00930 case VIRTUAL_WRITE_SYMLINK: {
00931 WriteSymlinkParams *params = reinterpret_cast<WriteSymlinkParams *>(data);
00932 params->retval = writeSymLink_impl(*params->name,*params->target,
00933 *params->user,*params->group,params->perm,
00934 params->atime,params->mtime,params->ctime);
00935 break;
00936 }
00937 case VIRTUAL_WRITE_DIR: {
00938 WriteDirParams *params = reinterpret_cast<WriteDirParams *>(data);
00939 params->retval = writeDir_impl(*params->name,*params->user,
00940 *params->group,params->perm,
00941 params->atime,params->mtime,params->ctime);
00942 break;
00943 }
00944 case VIRTUAL_PREPARE_WRITING: {
00945 PrepareWritingParams *params = reinterpret_cast<PrepareWritingParams *>(data);
00946 params->retval = prepareWriting_impl(*params->name,*params->user,
00947 *params->group,params->size,params->perm,
00948 params->atime,params->mtime,params->ctime);
00949 break;
00950 }
00951 default:
00952 KArchive::virtual_hook( id, data );
00953 }
00954 }
00955