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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 if ( !dev )
00344 return false;
00345
00346
00347 char buffer[ 0x200 ];
00348 bool ende = false;
00349 do
00350 {
00351 QString name;
00352 QString symlink;
00353
00354
00355 Q_LONG n = readHeader(buffer,name,symlink);
00356 if (n < 0) return false;
00357 if (n == 0x200)
00358 {
00359 bool isdir = false;
00360 QString nm;
00361
00362 if ( name.right(1) == "/" )
00363 {
00364 isdir = true;
00365 name = name.left( name.length() - 1 );
00366 }
00367
00368 int pos = name.findRev( '/' );
00369 if ( pos == -1 )
00370 nm = name;
00371 else
00372 nm = name.mid( pos + 1 );
00373
00374
00375 buffer[ 0x6b ] = 0;
00376 char *dummy;
00377 const char* p = buffer + 0x64;
00378 while( *p == ' ' ) ++p;
00379 int access = (int)strtol( p, &dummy, 8 );
00380
00381
00382 QString user( buffer + 0x109 );
00383 QString group( buffer + 0x129 );
00384
00385
00386 buffer[ 0x93 ] = 0;
00387 p = buffer + 0x88;
00388 while( *p == ' ' ) ++p;
00389 int time = (int)strtol( p, &dummy, 8 );
00390
00391
00392 char typeflag = buffer[ 0x9c ];
00393
00394
00395
00396 if ( typeflag == '1' )
00397 isdir = true;
00398
00399 bool isDumpDir = false;
00400 if ( typeflag == 'D' )
00401 {
00402 isdir = false;
00403 isDumpDir = true;
00404 }
00405
00406
00407
00408 if (isdir)
00409 access |= S_IFDIR;
00410
00411 KArchiveEntry* e;
00412 if ( isdir )
00413 {
00414
00415 e = new KArchiveDirectory( this, nm, access, time, user, group, symlink );
00416 }
00417 else
00418 {
00419
00420 buffer[ 0x88 ] = 0;
00421 char *dummy;
00422 const char* p = buffer + 0x7c;
00423 while( *p == ' ' ) ++p;
00424 int size = (int)strtol( p, &dummy, 8 );
00425
00426
00427 if ( isDumpDir )
00428 {
00429 e = new KArchiveDirectory( this, nm, access, time, user, group, symlink );
00430 }
00431 else
00432 {
00433
00434
00435 if ( typeflag == '1' )
00436 {
00437 size = nm.length();
00438 kdDebug(7041) << "HARD LINK, setting size to " << size << endl;
00439 }
00440
00441
00442 e = new KArchiveFile( this, nm, access, time, user, group, symlink,
00443 dev->at(), size );
00444 }
00445
00446
00447 int rest = size % 0x200;
00448 int skip = size + (rest ? 0x200 - rest : 0);
00449
00450 if (! dev->at( dev->at() + skip ) )
00451 kdWarning(7041) << "KArchive::open skipping " << skip << " failed" << endl;
00452 }
00453
00454 if ( pos == -1 )
00455 {
00456 if ( nm == "." )
00457 {
00458 Q_ASSERT( isdir );
00459 if ( isdir )
00460 setRootDir( static_cast<KArchiveDirectory *>( e ) );
00461 }
00462 else
00463 rootDir()->addEntry( e );
00464 }
00465 else
00466 {
00467
00468 QString path = QDir::cleanDirPath( name.left( pos ) );
00469
00470 KArchiveDirectory * d = findOrCreate( path );
00471 d->addEntry( e );
00472 }
00473 }
00474 else
00475 {
00476
00477 d->tarEnd = dev->at() - n;
00478 ende = true;
00479 }
00480 } while( !ende );
00481 return true;
00482 }
00483
00484
00485
00486
00487
00488
00489 bool KTar::KTarPrivate::writeBackTempFile( const QString & filename ) {
00490 if ( ! tmpFile )
00491 return true;
00492
00493 kdDebug(7041) << "Write temporary file to compressed file" << endl;
00494 kdDebug(7041) << filename << " " << mimetype << endl;
00495
00496 bool forced = false;
00497 if( "application/x-gzip" == mimetype
00498 || "application/x-bzip2" == mimetype)
00499 forced = true;
00500
00501
00502 QIODevice *dev = KFilterDev::deviceForFile( filename, mimetype, forced );
00503 if( dev ) {
00504 QFile* file = tmpFile->file();
00505 file->close();
00506 if ( ! file->open(IO_ReadOnly) || ! dev->open(IO_WriteOnly) )
00507 {
00508 file->close();
00509 delete dev;
00510 return false;
00511 }
00512 if ( forced )
00513 static_cast<KFilterDev *>(dev)->setOrigFileName( origFileName );
00514 QByteArray buffer(8*1024);
00515 Q_LONG len;
00516 while ( ! file->atEnd()) {
00517 len = file->readBlock(buffer.data(),buffer.size());
00518 dev->writeBlock(buffer.data(),len);
00519 }
00520 file->close();
00521 dev->close();
00522 delete dev;
00523 }
00524
00525 kdDebug(7041) << "Write temporary file to compressed file done." << endl;
00526 return true;
00527 }
00528
00529 bool KTar::closeArchive()
00530 {
00531 d->dirList.clear();
00532
00533
00534
00535
00536 if( mode() == IO_WriteOnly)
00537 return d->writeBackTempFile( m_filename );
00538
00539 return true;
00540 }
00541
00542 bool KTar::writeDir( const QString& name, const QString& user, const QString& group )
00543 {
00544 mode_t perm = 040755;
00545 time_t the_time = time(0);
00546 return writeDir(name,user,group,perm,the_time,the_time,the_time);
00547 #if 0
00548 if ( !isOpened() )
00549 {
00550 kdWarning(7041) << "KTar::writeDir: You must open the tar file before writing to it\n";
00551 return false;
00552 }
00553
00554 if ( !(mode() & IO_WriteOnly) )
00555 {
00556 kdWarning(7041) << "KTar::writeDir: You must open the tar file for writing\n";
00557 return false;
00558 }
00559
00560
00561 QString dirName ( QDir::cleanDirPath( name ) );
00562
00563
00564 if ( dirName.right(1) != "/" )
00565 dirName += "/";
00566
00567 if ( d->dirList.contains( dirName ) )
00568 return true;
00569
00570 char buffer[ 0x201 ];
00571 memset( buffer, 0, 0x200 );
00572 if ( mode() & IO_ReadWrite ) device()->at(d->tarEnd);
00573
00574
00575 if ( dirName.length() > 99 )
00576 {
00577 strcpy( buffer, "././@LongLink" );
00578 fillBuffer( buffer, " 0", dirName.length()+1, 'L', user.local8Bit(), group.local8Bit() );
00579 device()->writeBlock( buffer, 0x200 );
00580 strncpy( buffer, QFile::encodeName(dirName), 0x200 );
00581 buffer[0x200] = 0;
00582
00583 device()->writeBlock( buffer, 0x200 );
00584
00585 }
00586 else
00587 {
00588
00589 strncpy( buffer, QFile::encodeName(dirName), 0x200 );
00590 buffer[0x200] = 0;
00591 }
00592
00593 fillBuffer( buffer, " 40755", 0, 0x35, user.local8Bit(), group.local8Bit());
00594
00595
00596 device()->writeBlock( buffer, 0x200 );
00597 if ( mode() & IO_ReadWrite ) d->tarEnd = device()->at();
00598
00599 d->dirList.append( dirName );
00600 return true;
00601 #endif
00602 }
00603
00604 bool KTar::prepareWriting( const QString& name, const QString& user, const QString& group, uint size )
00605 {
00606 mode_t dflt_perm = 0100644;
00607 time_t the_time = time(0);
00608 return prepareWriting(name,user,group,size,dflt_perm,
00609 the_time,the_time,the_time);
00610 }
00611
00612 bool KTar::doneWriting( uint size )
00613 {
00614
00615 int rest = size % 0x200;
00616 if ( mode() & IO_ReadWrite )
00617 d->tarEnd = device()->at() + (rest ? 0x200 - rest : 0);
00618 if ( rest )
00619 {
00620 char buffer[ 0x201 ];
00621 for( uint i = 0; i < 0x200; ++i )
00622 buffer[i] = 0;
00623 Q_LONG nwritten = device()->writeBlock( buffer, 0x200 - rest );
00624 return nwritten == 0x200 - rest;
00625 }
00626 return true;
00627 }
00628
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00649
00650
00651
00652 void KTar::fillBuffer( char * buffer,
00653 const char * mode, int size, time_t mtime, char typeflag,
00654 const char * uname, const char * gname )
00655 {
00656
00657 assert( strlen(mode) == 6 );
00658 strcpy( buffer+0x64, mode );
00659 buffer[ 0x6a ] = ' ';
00660 buffer[ 0x6b ] = '\0';
00661
00662
00663 strcpy( buffer + 0x6c, " 765 ");
00664
00665 strcpy( buffer + 0x74, " 144 ");
00666
00667
00668 QCString s;
00669 s.sprintf("%o", size);
00670 s = s.rightJustify( 11, ' ' );
00671 strcpy( buffer + 0x7c, s.data() );
00672 buffer[ 0x87 ] = ' ';
00673
00674
00675 s.sprintf("%lo", static_cast<unsigned long>(mtime) );
00676 s = s.rightJustify( 11, ' ' );
00677 strcpy( buffer + 0x88, s.data() );
00678 buffer[ 0x93 ] = ' ';
00679
00680
00681 buffer[ 0x94 ] = 0x20;
00682 buffer[ 0x95 ] = 0x20;
00683 buffer[ 0x96 ] = 0x20;
00684 buffer[ 0x97 ] = 0x20;
00685 buffer[ 0x98 ] = 0x20;
00686 buffer[ 0x99 ] = 0x20;
00687
00688
00689
00690
00691
00692
00693 buffer[ 0x9a ] = '\0';
00694 buffer[ 0x9b ] = ' ';
00695
00696
00697 buffer[ 0x9c ] = typeflag;
00698
00699
00700 strcpy( buffer + 0x101, "ustar");
00701 strcpy( buffer + 0x107, "00" );
00702
00703
00704 strcpy( buffer + 0x109, uname );
00705
00706 strcpy( buffer + 0x129, gname );
00707
00708
00709 int check = 32;
00710 for( uint j = 0; j < 0x200; ++j )
00711 check += buffer[j];
00712 s.sprintf("%o", check );
00713 s = s.rightJustify( 7, ' ' );
00714 strcpy( buffer + 0x94, s.data() );
00715 }
00716
00717 void KTar::writeLonglink(char *buffer, const QCString &name, char typeflag,
00718 const char *uname, const char *gname) {
00719 strcpy( buffer, "././@LongLink" );
00720 int namelen = name.length() + 1;
00721 fillBuffer( buffer, " 0", namelen, 0, typeflag, uname, gname );
00722 device()->writeBlock( buffer, 0x200 );
00723 int offset = 0;
00724 while (namelen > 0) {
00725 int chunksize = QMIN(namelen, 0x200);
00726 memcpy(buffer, name.data()+offset, chunksize);
00727
00728 device()->writeBlock( buffer, 0x200 );
00729
00730 namelen -= chunksize;
00731 offset += 0x200;
00732 }
00733 }
00734
00735 bool KTar::prepareWriting(const QString& name, const QString& user,
00736 const QString& group, uint size, mode_t perm,
00737 time_t atime, time_t mtime, time_t ctime) {
00738 return KArchive::prepareWriting(name,user,group,size,perm,atime,mtime,ctime);
00739 }
00740
00741 bool KTar::prepareWriting_impl(const QString &name, const QString &user,
00742 const QString &group, uint size, mode_t perm,
00743 time_t , time_t mtime, time_t ) {
00744 if ( !isOpened() )
00745 {
00746 kdWarning(7041) << "KTar::prepareWriting: You must open the tar file before writing to it\n";
00747 return false;
00748 }
00749
00750 if ( !(mode() & IO_WriteOnly) )
00751 {
00752 kdWarning(7041) << "KTar::prepareWriting: You must open the tar file for writing\n";
00753 return false;
00754 }
00755
00756
00757 QString fileName ( QDir::cleanDirPath( name ) );
00758
00759
00760
00761
00762
00763
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00765
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00777
00778 char buffer[ 0x201 ];
00779 memset( buffer, 0, 0x200 );
00780 if ( mode() & IO_ReadWrite ) device()->at(d->tarEnd);
00781
00782
00783 QCString encodedFilename = QFile::encodeName(fileName);
00784 QCString uname = user.local8Bit();
00785 QCString gname = group.local8Bit();
00786
00787
00788 if ( fileName.length() > 99 )
00789 writeLonglink(buffer,encodedFilename,'L',uname,gname);
00790
00791
00792 strncpy( buffer, encodedFilename, 99 );
00793 buffer[99] = 0;
00794
00795 memset(buffer+0x9d, 0, 0x200 - 0x9d);
00796
00797 QCString permstr;
00798 permstr.sprintf("%o",perm);
00799 permstr.rightJustify(6, ' ');
00800 fillBuffer(buffer, permstr, size, mtime, 0x30, uname, gname);
00801
00802
00803 return device()->writeBlock( buffer, 0x200 ) == 0x200;
00804 }
00805
00806 bool KTar::writeDir(const QString& name, const QString& user,
00807 const QString& group, mode_t perm,
00808 time_t atime, time_t mtime, time_t ctime) {
00809 return KArchive::writeDir(name,user,group,perm,atime,mtime,ctime);
00810 }
00811
00812 bool KTar::writeDir_impl(const QString &name, const QString &user,
00813 const QString &group, mode_t perm,
00814 time_t , time_t mtime, time_t ) {
00815 if ( !isOpened() )
00816 {
00817 kdWarning(7041) << "KTar::writeDir: You must open the tar file before writing to it\n";
00818 return false;
00819 }
00820
00821 if ( !(mode() & IO_WriteOnly) )
00822 {
00823 kdWarning(7041) << "KTar::writeDir: You must open the tar file for writing\n";
00824 return false;
00825 }
00826
00827
00828 QString dirName ( QDir::cleanDirPath( name ) );
00829
00830
00831 if ( dirName.right(1) != "/" )
00832 dirName += "/";
00833
00834 if ( d->dirList.contains( dirName ) )
00835 return true;
00836
00837 char buffer[ 0x201 ];
00838 memset( buffer, 0, 0x200 );
00839 if ( mode() & IO_ReadWrite ) device()->at(d->tarEnd);
00840
00841
00842 QCString encodedDirname = QFile::encodeName(dirName);
00843 QCString uname = user.local8Bit();
00844 QCString gname = group.local8Bit();
00845
00846
00847 if ( dirName.length() > 99 )
00848 writeLonglink(buffer,encodedDirname,'L',uname,gname);
00849
00850
00851 strncpy( buffer, encodedDirname, 99 );
00852 buffer[99] = 0;
00853
00854 memset(buffer+0x9d, 0, 0x200 - 0x9d);
00855
00856 QCString permstr;
00857 permstr.sprintf("%o",perm);
00858 permstr.rightJustify(6, ' ');
00859 fillBuffer( buffer, permstr, 0, mtime, 0x35, uname, gname);
00860
00861
00862 device()->writeBlock( buffer, 0x200 );
00863 if ( mode() & IO_ReadWrite ) d->tarEnd = device()->at();
00864
00865 d->dirList.append( dirName );
00866 return true;
00867 }
00868
00869 bool KTar::writeSymLink(const QString &name, const QString &target,
00870 const QString &user, const QString &group,
00871 mode_t perm, time_t atime, time_t mtime, time_t ctime) {
00872 return KArchive::writeSymLink(name,target,user,group,perm,atime,mtime,ctime);
00873 }
00874
00875 bool KTar::writeSymLink_impl(const QString &name, const QString &target,
00876 const QString &user, const QString &group,
00877 mode_t perm, time_t , time_t mtime, time_t ) {
00878 if ( !isOpened() )
00879 {
00880 kdWarning(7041) << "KTar::writeSymLink: You must open the tar file before writing to it\n";
00881 return false;
00882 }
00883
00884 if ( !(mode() & IO_WriteOnly) )
00885 {
00886 kdWarning(7041) << "KTar::writeSymLink: You must open the tar file for writing\n";
00887 return false;
00888 }
00889
00890 device()->flush();
00891
00892
00893 QString fileName ( QDir::cleanDirPath( name ) );
00894
00895 char buffer[ 0x201 ];
00896 memset( buffer, 0, 0x200 );
00897 if ( mode() & IO_ReadWrite ) device()->at(d->tarEnd);
00898
00899
00900 QCString encodedFilename = QFile::encodeName(fileName);
00901 QCString encodedTarget = QFile::encodeName(target);
00902 QCString uname = user.local8Bit();
00903 QCString gname = group.local8Bit();
00904
00905
00906 if (target.length() > 99)
00907 writeLonglink(buffer,encodedTarget,'K',uname,gname);
00908 if ( fileName.length() > 99 )
00909 writeLonglink(buffer,encodedFilename,'L',uname,gname);
00910
00911
00912 strncpy( buffer, encodedFilename, 99 );
00913 buffer[99] = 0;
00914
00915 strncpy(buffer+0x9d, encodedTarget, 99);
00916 buffer[0x9d+99] = 0;
00917
00918 memset(buffer+0x9d+100, 0, 0x200 - 100 - 0x9d);
00919
00920 QCString permstr;
00921 permstr.sprintf("%o",perm);
00922 permstr.rightJustify(6, ' ');
00923 fillBuffer(buffer, permstr, 0, mtime, 0x32, uname, gname);
00924
00925
00926 bool retval = device()->writeBlock( buffer, 0x200 ) == 0x200;
00927 if ( mode() & IO_ReadWrite ) d->tarEnd = device()->at();
00928 return retval;
00929 }
00930
00931 void KTar::virtual_hook( int id, void* data ) {
00932 switch (id) {
00933 case VIRTUAL_WRITE_SYMLINK: {
00934 WriteSymlinkParams *params = reinterpret_cast<WriteSymlinkParams *>(data);
00935 params->retval = writeSymLink_impl(*params->name,*params->target,
00936 *params->user,*params->group,params->perm,
00937 params->atime,params->mtime,params->ctime);
00938 break;
00939 }
00940 case VIRTUAL_WRITE_DIR: {
00941 WriteDirParams *params = reinterpret_cast<WriteDirParams *>(data);
00942 params->retval = writeDir_impl(*params->name,*params->user,
00943 *params->group,params->perm,
00944 params->atime,params->mtime,params->ctime);
00945 break;
00946 }
00947 case VIRTUAL_PREPARE_WRITING: {
00948 PrepareWritingParams *params = reinterpret_cast<PrepareWritingParams *>(data);
00949 params->retval = prepareWriting_impl(*params->name,*params->user,
00950 *params->group,params->size,params->perm,
00951 params->atime,params->mtime,params->ctime);
00952 break;
00953 }
00954 default:
00955 KArchive::virtual_hook( id, data );
00956 }
00957 }
00958