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| author | Petr Mrázek <peterix@gmail.com> | 2013-01-11 02:25:40 +0100 |
|---|---|---|
| committer | Petr Mrázek <peterix@gmail.com> | 2013-01-11 02:25:40 +0100 |
| commit | b1d00fce8da901b31fa52ea59b4bc3c8edb9d9cc (patch) | |
| tree | f7c909b4080e6d1868e601609741450330dc9a1e /quazip | |
| parent | d6d5c86a736537828a59ddc6389d5d0490942f8c (diff) | |
| download | PrismLauncher-b1d00fce8da901b31fa52ea59b4bc3c8edb9d9cc.tar.gz PrismLauncher-b1d00fce8da901b31fa52ea59b4bc3c8edb9d9cc.tar.bz2 PrismLauncher-b1d00fce8da901b31fa52ea59b4bc3c8edb9d9cc.zip | |
CMake build system, big pile of libs: bspatch, quazip, java, the launcher
Diffstat (limited to 'quazip')
| -rw-r--r-- | quazip/CMakeLists.txt | 26 | ||||
| -rw-r--r-- | quazip/JlCompress.cpp | 469 | ||||
| -rw-r--r-- | quazip/JlCompress.h | 114 | ||||
| -rw-r--r-- | quazip/crypt.h | 135 | ||||
| -rw-r--r-- | quazip/ioapi.h | 77 | ||||
| -rw-r--r-- | quazip/qioapi.cpp | 146 | ||||
| -rw-r--r-- | quazip/quaadler32.cpp | 28 | ||||
| -rw-r--r-- | quazip/quaadler32.h | 29 | ||||
| -rw-r--r-- | quazip/quachecksum32.h | 54 | ||||
| -rw-r--r-- | quazip/quacrc32.cpp | 28 | ||||
| -rw-r--r-- | quazip/quacrc32.h | 26 | ||||
| -rw-r--r-- | quazip/quagzipfile.cpp | 141 | ||||
| -rw-r--r-- | quazip/quagzipfile.h | 35 | ||||
| -rw-r--r-- | quazip/quaziodevice.cpp | 283 | ||||
| -rw-r--r-- | quazip/quaziodevice.h | 27 | ||||
| -rw-r--r-- | quazip/quazip.cpp | 554 | ||||
| -rw-r--r-- | quazip/quazip.h | 411 | ||||
| -rw-r--r-- | quazip/quazip_global.h | 55 | ||||
| -rw-r--r-- | quazip/quazipdir.cpp | 507 | ||||
| -rw-r--r-- | quazip/quazipdir.h | 171 | ||||
| -rw-r--r-- | quazip/quazipfile.cpp | 488 | ||||
| -rw-r--r-- | quazip/quazipfile.h | 442 | ||||
| -rw-r--r-- | quazip/quazipfileinfo.h | 66 | ||||
| -rw-r--r-- | quazip/quazipnewinfo.cpp | 51 | ||||
| -rw-r--r-- | quazip/quazipnewinfo.h | 102 | ||||
| -rw-r--r-- | quazip/unzip.c | 1603 | ||||
| -rw-r--r-- | quazip/unzip.h | 356 | ||||
| -rw-r--r-- | quazip/zip.c | 1281 | ||||
| -rw-r--r-- | quazip/zip.h | 245 |
29 files changed, 7950 insertions, 0 deletions
diff --git a/quazip/CMakeLists.txt b/quazip/CMakeLists.txt new file mode 100644 index 00000000..b245653f --- /dev/null +++ b/quazip/CMakeLists.txt @@ -0,0 +1,26 @@ +# set all include directories for in and out of source builds +include_directories( + ${CMAKE_CURRENT_SOURCE_DIR} + ${CMAKE_CURRENT_BINARY_DIR} + ${ZLIB_INCLUDE_DIRS} +) + +# include with QT_USE selected library parts +# INCLUDE(${QT_USE_FILE}) + +file(GLOB SRCS "*.c" "*.cpp") +file(GLOB PUBLIC_HEADERS "*.h") + +# Must be added to enable export macro +ADD_DEFINITIONS(-DQUAZIP_BUILD) + +#qt5_wrap_cpp(MOC_SRCS ${PUBLIC_HEADERS}) +#set(SRCS ${SRCS} ${MOC_SRCS}) + +set(CMAKE_POSITION_INDEPENDENT_CODE ON) + +add_library(quazip STATIC ${SRCS}) +target_link_libraries(quazip ${ZLIB_LIBRARIES}) + +#install(FILES ${PUBLIC_HEADERS} DESTINATION include/quazip) +#install(TARGETS quazip LIBRARY DESTINATION ${LIB_DESTINATION} ARCHIVE DESTINATION ${LIB_DESTINATION} RUNTIME DESTINATION ${LIB_DESTINATION}) diff --git a/quazip/JlCompress.cpp b/quazip/JlCompress.cpp new file mode 100644 index 00000000..411645e1 --- /dev/null +++ b/quazip/JlCompress.cpp @@ -0,0 +1,469 @@ +#include "JlCompress.h" +#include <QDebug> + +static bool copyData(QIODevice &inFile, QIODevice &outFile) +{ + while (!inFile.atEnd()) { + char buf[4096]; + qint64 readLen = inFile.read(buf, 4096); + if (readLen <= 0) + return false; + if (outFile.write(buf, readLen) != readLen) + return false; + } + return true; +} + +/**OK + * Comprime il file fileName, nell'oggetto zip, con il nome fileDest. + * + * La funzione fallisce se: + * * zip==NULL; + * * l'oggetto zip e stato aperto in una modalita non compatibile con l'aggiunta di file; + * * non e possibile aprire il file d'origine; + * * non e possibile creare il file all'interno dell'oggetto zip; + * * si e rilevato un errore nella copia dei dati; + * * non e stato possibile chiudere il file all'interno dell'oggetto zip; + */ +bool JlCompress::compressFile(QuaZip* zip, QString fileName, QString fileDest) { + // zip: oggetto dove aggiungere il file + // fileName: nome del file reale + // fileDest: nome del file all'interno del file compresso + + // Controllo l'apertura dello zip + if (!zip) return false; + if (zip->getMode()!=QuaZip::mdCreate && + zip->getMode()!=QuaZip::mdAppend && + zip->getMode()!=QuaZip::mdAdd) return false; + + // Apro il file originale + QFile inFile; + inFile.setFileName(fileName); + if(!inFile.open(QIODevice::ReadOnly)) return false; + + // Apro il file risulato + QuaZipFile outFile(zip); + if(!outFile.open(QIODevice::WriteOnly, QuaZipNewInfo(fileDest, inFile.fileName()))) return false; + + // Copio i dati + if (!copyData(inFile, outFile) || outFile.getZipError()!=UNZ_OK) { + return false; + } + + // Chiudo i file + outFile.close(); + if (outFile.getZipError()!=UNZ_OK) return false; + inFile.close(); + + return true; +} + +/**OK + * Comprime la cartella dir nel file fileCompressed, se recursive e true allora + * comprime anche le sotto cartelle. I nomi dei file preceduti dal path creato + * togliendo il pat della cartella origDir al path della cartella dir. + * Se la funzione fallisce restituisce false e cancella il file che si e tentato + * di creare. + * + * La funzione fallisce se: + * * zip==NULL; + * * l'oggetto zip e stato aperto in una modalita non compatibile con l'aggiunta di file; + * * la cartella dir non esiste; + * * la compressione di una sotto cartella fallisce (1); + * * la compressione di un file fallisce; + * (1) La funzione si richiama in maniera ricorsiva per comprimere le sotto cartelle + * dunque gli errori di compressione di una sotto cartella sono gli stessi di questa + * funzione. + */ +bool JlCompress::compressSubDir(QuaZip* zip, QString dir, QString origDir, bool recursive) { + // zip: oggetto dove aggiungere il file + // dir: cartella reale corrente + // origDir: cartella reale originale + // (path(dir)-path(origDir)) = path interno all'oggetto zip + + // Controllo l'apertura dello zip + if (!zip) return false; + if (zip->getMode()!=QuaZip::mdCreate && + zip->getMode()!=QuaZip::mdAppend && + zip->getMode()!=QuaZip::mdAdd) return false; + + // Controllo la cartella + QDir directory(dir); + if (!directory.exists()) return false; + + // Se comprimo anche le sotto cartelle + if (recursive) { + // Per ogni sotto cartella + QFileInfoList files = directory.entryInfoList(QDir::AllDirs|QDir::NoDotAndDotDot); + Q_FOREACH (QFileInfo file, files) { + // Comprimo la sotto cartella + if(!compressSubDir(zip,file.absoluteFilePath(),origDir,recursive)) return false; + } + } + + // Per ogni file nella cartella + QFileInfoList files = directory.entryInfoList(QDir::Files); + QDir origDirectory(origDir); + Q_FOREACH (QFileInfo file, files) { + // Se non e un file o e il file compresso che sto creando + if(!file.isFile()||file.absoluteFilePath()==zip->getZipName()) continue; + + // Creo il nome relativo da usare all'interno del file compresso + QString filename = origDirectory.relativeFilePath(file.absoluteFilePath()); + + // Comprimo il file + if (!compressFile(zip,file.absoluteFilePath(),filename)) return false; + } + + return true; +} + +/**OK + * Estrae il file fileName, contenuto nell'oggetto zip, con il nome fileDest. + * Se la funzione fallisce restituisce false e cancella il file che si e tentato di estrarre. + * + * La funzione fallisce se: + * * zip==NULL; + * * l'oggetto zip e stato aperto in una modalita non compatibile con l'estrazione di file; + * * non e possibile aprire il file all'interno dell'oggetto zip; + * * non e possibile creare il file estratto; + * * si e rilevato un errore nella copia dei dati (1); + * * non e stato possibile chiudere il file all'interno dell'oggetto zip (1); + * + * (1): prima di uscire dalla funzione cancella il file estratto. + */ +bool JlCompress::extractFile(QuaZip* zip, QString fileName, QString fileDest) { + // zip: oggetto dove aggiungere il file + // filename: nome del file reale + // fileincompress: nome del file all'interno del file compresso + + // Controllo l'apertura dello zip + if (!zip) return false; + if (zip->getMode()!=QuaZip::mdUnzip) return false; + + // Apro il file compresso + if (!fileName.isEmpty()) + zip->setCurrentFile(fileName); + QuaZipFile inFile(zip); + if(!inFile.open(QIODevice::ReadOnly) || inFile.getZipError()!=UNZ_OK) return false; + + // Controllo esistenza cartella file risultato + QDir curDir; + if (!curDir.mkpath(QFileInfo(fileDest).absolutePath())) { + return false; + } + + if (QFileInfo(fileDest).isDir()) + return true; + + // Apro il file risultato + QFile outFile; + outFile.setFileName(fileDest); + if(!outFile.open(QIODevice::WriteOnly)) return false; + + // Copio i dati + if (!copyData(inFile, outFile) || inFile.getZipError()!=UNZ_OK) { + outFile.close(); + removeFile(QStringList(fileDest)); + return false; + } + outFile.close(); + + // Chiudo i file + inFile.close(); + if (inFile.getZipError()!=UNZ_OK) { + removeFile(QStringList(fileDest)); + return false; + } + + return true; +} + +/** + * Rimuove i file il cui nome e specificato all'interno di listFile. + * Restituisce true se tutti i file sono stati cancellati correttamente, attenzione + * perche puo restituire false anche se alcuni file non esistevano e si e tentato + * di cancellarli. + */ +bool JlCompress::removeFile(QStringList listFile) { + bool ret = true; + // Per ogni file + for (int i=0; i<listFile.count(); i++) { + // Lo elimino + ret = ret && QFile::remove(listFile.at(i)); + } + return ret; +} + +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +/**OK + * Comprime il file fileName nel file fileCompressed. + * Se la funzione fallisce restituisce false e cancella il file che si e tentato + * di creare. + * + * La funzione fallisce se: + * * non si riesce ad aprire l'oggetto zip; + * * la compressione del file fallisce; + * * non si riesce a chiudere l'oggetto zip; + */ +bool JlCompress::compressFile(QString fileCompressed, QString file) { + // Creo lo zip + QuaZip zip(fileCompressed); + QDir().mkpath(QFileInfo(fileCompressed).absolutePath()); + if(!zip.open(QuaZip::mdCreate)) { + QFile::remove(fileCompressed); + return false; + } + + // Aggiungo il file + if (!compressFile(&zip,file,QFileInfo(file).fileName())) { + QFile::remove(fileCompressed); + return false; + } + + // Chiudo il file zip + zip.close(); + if(zip.getZipError()!=0) { + QFile::remove(fileCompressed); + return false; + } + + return true; +} + +/**OK + * Comprime i file specificati in files nel file fileCompressed. + * Se la funzione fallisce restituisce false e cancella il file che si e tentato + * di creare. + * + * La funzione fallisce se: + * * non si riesce ad aprire l'oggetto zip; + * * la compressione di un file fallisce; + * * non si riesce a chiudere l'oggetto zip; + */ +bool JlCompress::compressFiles(QString fileCompressed, QStringList files) { + // Creo lo zip + QuaZip zip(fileCompressed); + QDir().mkpath(QFileInfo(fileCompressed).absolutePath()); + if(!zip.open(QuaZip::mdCreate)) { + QFile::remove(fileCompressed); + return false; + } + + // Comprimo i file + QFileInfo info; + Q_FOREACH (QString file, files) { + info.setFile(file); + if (!info.exists() || !compressFile(&zip,file,info.fileName())) { + QFile::remove(fileCompressed); + return false; + } + } + + // Chiudo il file zip + zip.close(); + if(zip.getZipError()!=0) { + QFile::remove(fileCompressed); + return false; + } + + return true; +} + +/**OK + * Comprime la cartella dir nel file fileCompressed, se recursive e true allora + * comprime anche le sotto cartelle. + * Se la funzione fallisce restituisce false e cancella il file che si e tentato + * di creare. + * + * La funzione fallisce se: + * * non si riesce ad aprire l'oggetto zip; + * * la compressione di un file fallisce; + * * non si riesce a chiudere l'oggetto zip; + */ +bool JlCompress::compressDir(QString fileCompressed, QString dir, bool recursive) { + // Creo lo zip + QuaZip zip(fileCompressed); + QDir().mkpath(QFileInfo(fileCompressed).absolutePath()); + if(!zip.open(QuaZip::mdCreate)) { + QFile::remove(fileCompressed); + return false; + } + + // Aggiungo i file e le sotto cartelle + if (!compressSubDir(&zip,dir,dir,recursive)) { + QFile::remove(fileCompressed); + return false; + } + + // Chiudo il file zip + zip.close(); + if(zip.getZipError()!=0) { + QFile::remove(fileCompressed); + return false; + } + + return true; +} + +//////////////////////////////////////////////////////////////////////////////// +//////////////////////////////////////////////////////////////////////////////// +/**OK + * Estrae il file fileName, contenuto nel file fileCompressed, con il nome fileDest. + * Se fileDest = "" allora il file viene estratto con lo stesso nome con cui e + * stato compresso. + * Se la funzione fallisce cancella il file che si e tentato di estrarre. + * Restituisce il nome assoluto del file estratto. + * + * La funzione fallisce se: + * * non si riesce ad aprire l'oggetto zip; + * * l'estrazione del file fallisce; + * * non si riesce a chiudere l'oggetto zip; + */ +QString JlCompress::extractFile(QString fileCompressed, QString fileName, QString fileDest) { + // Apro lo zip + QuaZip zip(fileCompressed); + if(!zip.open(QuaZip::mdUnzip)) { + return QString(); + } + + // Estraggo il file + if (fileDest.isEmpty()) + fileDest = fileName; + if (!extractFile(&zip,fileName,fileDest)) { + return QString(); + } + + // Chiudo il file zip + zip.close(); + if(zip.getZipError()!=0) { + removeFile(QStringList(fileDest)); + return QString(); + } + return QFileInfo(fileDest).absoluteFilePath(); +} + +/**OK + * Estrae i file specificati in files, contenuti nel file fileCompressed, nella + * cartella dir. La struttura a cartelle del file compresso viene rispettata. + * Se dir = "" allora il file viene estratto nella cartella corrente. + * Se la funzione fallisce cancella i file che si e tentato di estrarre. + * Restituisce i nomi assoluti dei file estratti. + * + * La funzione fallisce se: + * * non si riesce ad aprire l'oggetto zip; + * * l'estrazione di un file fallisce; + * * non si riesce a chiudere l'oggetto zip; + */ +QStringList JlCompress::extractFiles(QString fileCompressed, QStringList files, QString dir) { + // Creo lo zip + QuaZip zip(fileCompressed); + if(!zip.open(QuaZip::mdUnzip)) { + return QStringList(); + } + + // Estraggo i file + QStringList extracted; + for (int i=0; i<files.count(); i++) { + QString absPath = QDir(dir).absoluteFilePath(files.at(i)); + if (!extractFile(&zip, files.at(i), absPath)) { + removeFile(extracted); + return QStringList(); + } + extracted.append(absPath); + } + + // Chiudo il file zip + zip.close(); + if(zip.getZipError()!=0) { + removeFile(extracted); + return QStringList(); + } + + return extracted; +} + +/**OK + * Estrae il file fileCompressed nella cartella dir. + * Se dir = "" allora il file viene estratto nella cartella corrente. + * Se la funzione fallisce cancella i file che si e tentato di estrarre. + * Restituisce i nomi assoluti dei file estratti. + * + * La funzione fallisce se: + * * non si riesce ad aprire l'oggetto zip; + * * la compressione di un file fallisce; + * * non si riesce a chiudere l'oggetto zip; + */ +QStringList JlCompress::extractDir(QString fileCompressed, QString dir) { + // Apro lo zip + QuaZip zip(fileCompressed); + if(!zip.open(QuaZip::mdUnzip)) { + return QStringList(); + } + + QDir directory(dir); + QStringList extracted; + if (!zip.goToFirstFile()) { + return QStringList(); + } + do { + QString name = zip.getCurrentFileName(); + QString absFilePath = directory.absoluteFilePath(name); + if (!extractFile(&zip, "", absFilePath)) { + removeFile(extracted); + return QStringList(); + } + extracted.append(absFilePath); + } while (zip.goToNextFile()); + + // Chiudo il file zip + zip.close(); + if(zip.getZipError()!=0) { + removeFile(extracted); + return QStringList(); + } + + return extracted; +} + +/**OK + * Restituisce la lista dei file resenti nel file compresso fileCompressed. + * Se la funzione fallisce, restituisce un elenco vuoto. + * + * La funzione fallisce se: + * * non si riesce ad aprire l'oggetto zip; + * * la richiesta di informazioni di un file fallisce; + * * non si riesce a chiudere l'oggetto zip; + */ +QStringList JlCompress::getFileList(QString fileCompressed) { + // Apro lo zip + QuaZip* zip = new QuaZip(QFileInfo(fileCompressed).absoluteFilePath()); + if(!zip->open(QuaZip::mdUnzip)) { + delete zip; + return QStringList(); + } + + // Estraggo i nomi dei file + QStringList lst; + QuaZipFileInfo info; + for(bool more=zip->goToFirstFile(); more; more=zip->goToNextFile()) { + if(!zip->getCurrentFileInfo(&info)) { + delete zip; + return QStringList(); + } + lst << info.name; + //info.name.toLocal8Bit().constData() + } + + // Chiudo il file zip + zip->close(); + if(zip->getZipError()!=0) { + delete zip; + return QStringList(); + } + delete zip; + + return lst; +} + diff --git a/quazip/JlCompress.h b/quazip/JlCompress.h new file mode 100644 index 00000000..968f7a89 --- /dev/null +++ b/quazip/JlCompress.h @@ -0,0 +1,114 @@ +#ifndef JLCOMPRESSFOLDER_H_ +#define JLCOMPRESSFOLDER_H_ + +#include "quazip.h" +#include "quazipfile.h" +#include "quazipfileinfo.h" +#include <QString> +#include <QDir> +#include <QFileInfo> +#include <QFile> + +/// Utility class for typical operations. +/** + This class contains a number of useful static functions to perform + simple operations, such as mass ZIP packing or extraction. + */ +class QUAZIP_EXPORT JlCompress { +private: + /// Compress a single file. + /** + \param zip Opened zip to compress the file to. + \param fileName The full path to the source file. + \param fileDest The full name of the file inside the archive. + \return true if success, false otherwise. + */ + static bool compressFile(QuaZip* zip, QString fileName, QString fileDest); + /// Compress a subdirectory. + /** + \param parentZip Opened zip containing the parent directory. + \param dir The full path to the directory to pack. + \param parentDir The full path to the directory corresponding to + the root of the ZIP. + \param recursive Whether to pack sub-directories as well or only + files. + \return true if success, false otherwise. + */ + static bool compressSubDir(QuaZip* parentZip, QString dir, QString parentDir, bool recursive = true); + /// Extract a single file. + /** + \param zip The opened zip archive to extract from. + \param fileName The full name of the file to extract. + \param fileDest The full path to the destination file. + \return true if success, false otherwise. + */ + static bool extractFile(QuaZip* zip, QString fileName, QString fileDest); + /// Remove some files. + /** + \param listFile The list of files to remove. + \return true if success, false otherwise. + */ + static bool removeFile(QStringList listFile); + +public: + /// Compress a single file. + /** + \param fileCompressed The name of the archive. + \param file The file to compress. + \return true if success, false otherwise. + */ + static bool compressFile(QString fileCompressed, QString file); + /// Compress a list of files. + /** + \param fileCompressed The name of the archive. + \param files The file list to compress. + \return true if success, false otherwise. + */ + static bool compressFiles(QString fileCompressed, QStringList files); + /// Compress a whole directory. + /** + \param fileCompressed The name of the archive. + \param dir The directory to compress. + \param recursive Whether to pack the subdirectories as well, or + just regular files. + \return true if success, false otherwise. + */ + static bool compressDir(QString fileCompressed, QString dir = QString(), bool recursive = true); + +public: + /// Extract a single file. + /** + \param fileCompressed The name of the archive. + \param fileName The file to extract. + \param fileDest The destination file, assumed to be identical to + \a file if left empty. + \return The list of the full paths of the files extracted, empty on failure. + */ + static QString extractFile(QString fileCompressed, QString fileName, QString fileDest = QString()); + /// Extract a list of files. + /** + \param fileCompressed The name of the archive. + \param files The file list to extract. + \param dir The directory to put the files to, the current + directory if left empty. + \return The list of the full paths of the files extracted, empty on failure. + */ + static QStringList extractFiles(QString fileCompressed, QStringList files, QString dir = QString()); + /// Extract a whole archive. + /** + \param fileCompressed The name of the archive. + \param dir The directory to extract to, the current directory if + left empty. + \return The list of the full paths of the files extracted, empty on failure. + */ + static QStringList extractDir(QString fileCompressed, QString dir = QString()); + /// Get the file list. + /** + \return The list of the files in the archive, or, more precisely, the + list of the entries, including both files and directories if they + are present separately. + */ + static QStringList getFileList(QString fileCompressed); +}; + +#endif /* JLCOMPRESSFOLDER_H_ */ diff --git a/quazip/crypt.h b/quazip/crypt.h new file mode 100644 index 00000000..1d6da628 --- /dev/null +++ b/quazip/crypt.h @@ -0,0 +1,135 @@ +/* crypt.h -- base code for crypt/uncrypt ZIPfile + + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + This code is a modified version of crypting code in Infozip distribution + + The encryption/decryption parts of this source code (as opposed to the + non-echoing password parts) were originally written in Europe. The + whole source package can be freely distributed, including from the USA. + (Prior to January 2000, re-export from the US was a violation of US law.) + + This encryption code is a direct transcription of the algorithm from + Roger Schlafly, described by Phil Katz in the file appnote.txt. This + file (appnote.txt) is distributed with the PKZIP program (even in the + version without encryption capabilities). + + If you don't need crypting in your application, just define symbols + NOCRYPT and NOUNCRYPT. + + This code support the "Traditional PKWARE Encryption". + + The new AES encryption added on Zip format by Winzip (see the page + http://www.winzip.com/aes_info.htm ) and PKWare PKZip 5.x Strong + Encryption is not supported. +*/ + +#include "quazip_global.h" + +#define CRC32(c, b) ((*(pcrc_32_tab+(((int)(c) ^ (b)) & 0xff))) ^ ((c) >> 8)) + +/*********************************************************************** + * Return the next byte in the pseudo-random sequence + */ +static int decrypt_byte(unsigned long* pkeys, const unsigned long* pcrc_32_tab UNUSED) +{ + //(void) pcrc_32_tab; /* avoid "unused parameter" warning */ + unsigned temp; /* POTENTIAL BUG: temp*(temp^1) may overflow in an + * unpredictable manner on 16-bit systems; not a problem + * with any known compiler so far, though */ + + temp = ((unsigned)(*(pkeys+2)) & 0xffff) | 2; + return (int)(((temp * (temp ^ 1)) >> 8) & 0xff); +} + +/*********************************************************************** + * Update the encryption keys with the next byte of plain text + */ +static int update_keys(unsigned long* pkeys,const unsigned long* pcrc_32_tab,int c) +{ + (*(pkeys+0)) = CRC32((*(pkeys+0)), c); + (*(pkeys+1)) += (*(pkeys+0)) & 0xff; + (*(pkeys+1)) = (*(pkeys+1)) * 134775813L + 1; + { + register int keyshift = (int)((*(pkeys+1)) >> 24); + (*(pkeys+2)) = CRC32((*(pkeys+2)), keyshift); + } + return c; +} + + +/*********************************************************************** + * Initialize the encryption keys and the random header according to + * the given password. + */ +static void init_keys(const char* passwd,unsigned long* pkeys,const unsigned long* pcrc_32_tab) +{ + *(pkeys+0) = 305419896L; + *(pkeys+1) = 591751049L; + *(pkeys+2) = 878082192L; + while (*passwd != '\0') { + update_keys(pkeys,pcrc_32_tab,(int)*passwd); + passwd++; + } +} + +#define zdecode(pkeys,pcrc_32_tab,c) \ + (update_keys(pkeys,pcrc_32_tab,c ^= decrypt_byte(pkeys,pcrc_32_tab))) + +#define zencode(pkeys,pcrc_32_tab,c,t) \ + (t=decrypt_byte(pkeys,pcrc_32_tab), update_keys(pkeys,pcrc_32_tab,c), t^(c)) + +#ifdef INCLUDECRYPTINGCODE_IFCRYPTALLOWED + +#define RAND_HEAD_LEN 12 + /* "last resort" source for second part of crypt seed pattern */ +# ifndef ZCR_SEED2 +# define ZCR_SEED2 3141592654UL /* use PI as default pattern */ +# endif + +static int crypthead(passwd, buf, bufSize, pkeys, pcrc_32_tab, crcForCrypting) + const char *passwd; /* password string */ + unsigned char *buf; /* where to write header */ + int bufSize; + unsigned long* pkeys; + const unsigned long* pcrc_32_tab; + unsigned long crcForCrypting; +{ + int n; /* index in random header */ + int t; /* temporary */ + int c; /* random byte */ + unsigned char header[RAND_HEAD_LEN-2]; /* random header */ + static unsigned calls = 0; /* ensure different random header each time */ + + if (bufSize<RAND_HEAD_LEN) + return 0; + + /* First generate RAND_HEAD_LEN-2 random bytes. We encrypt the + * output of rand() to get less predictability, since rand() is + * often poorly implemented. + */ + if (++calls == 1) + { + srand((unsigned)(time(NULL) ^ ZCR_SEED2)); + } + init_keys(passwd, pkeys, pcrc_32_tab); + for (n = 0; n < RAND_HEAD_LEN-2; n++) + { + c = (rand() >> 7) & 0xff; + header[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, c, t); + } + /* Encrypt random header (last two bytes is high word of crc) */ + init_keys(passwd, pkeys, pcrc_32_tab); + for (n = 0; n < RAND_HEAD_LEN-2; n++) + { + buf[n] = (unsigned char)zencode(pkeys, pcrc_32_tab, header[n], t); + } + buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 16) & 0xff, t); + buf[n++] = zencode(pkeys, pcrc_32_tab, (int)(crcForCrypting >> 24) & 0xff, t); + return n; +} + +#endif diff --git a/quazip/ioapi.h b/quazip/ioapi.h new file mode 100644 index 00000000..f4c21809 --- /dev/null +++ b/quazip/ioapi.h @@ -0,0 +1,77 @@ +/* ioapi.h -- IO base function header for compress/uncompress .zip + files using zlib + zip or unzip API + + Version 1.01e, February 12th, 2005 + + Copyright (C) 1998-2005 Gilles Vollant + + Modified by Sergey A. Tachenov to integrate with Qt. +*/ + +#ifndef _ZLIBIOAPI_H +#define _ZLIBIOAPI_H + + +#define ZLIB_FILEFUNC_SEEK_CUR (1) +#define ZLIB_FILEFUNC_SEEK_END (2) +#define ZLIB_FILEFUNC_SEEK_SET (0) + +#define ZLIB_FILEFUNC_MODE_READ (1) +#define ZLIB_FILEFUNC_MODE_WRITE (2) +#define ZLIB_FILEFUNC_MODE_READWRITEFILTER (3) + +#define ZLIB_FILEFUNC_MODE_EXISTING (4) +#define ZLIB_FILEFUNC_MODE_CREATE (8) + + +#ifndef ZCALLBACK + +#if (defined(WIN32) || defined (WINDOWS) || defined (_WINDOWS)) && defined(CALLBACK) && defined (USEWINDOWS_CALLBACK) +#define ZCALLBACK CALLBACK +#else +#define ZCALLBACK +#endif +#endif + +#ifdef __cplusplus +extern "C" { +#endif + +typedef voidpf (ZCALLBACK *open_file_func) OF((voidpf opaque, voidpf file, int mode)); +typedef uLong (ZCALLBACK *read_file_func) OF((voidpf opaque, voidpf stream, void* buf, uLong size)); +typedef uLong (ZCALLBACK *write_file_func) OF((voidpf opaque, voidpf stream, const void* buf, uLong size)); +typedef uLong (ZCALLBACK *tell_file_func) OF((voidpf opaque, voidpf stream)); +typedef int (ZCALLBACK *seek_file_func) OF((voidpf opaque, voidpf stream, uLong offset, int origin)); +typedef int (ZCALLBACK *close_file_func) OF((voidpf opaque, voidpf stream)); +typedef int (ZCALLBACK *testerror_file_func) OF((voidpf opaque, voidpf stream)); + +typedef struct zlib_filefunc_def_s +{ + open_file_func zopen_file; + read_file_func zread_file; + write_file_func zwrite_file; + tell_file_func ztell_file; + seek_file_func zseek_file; + close_file_func zclose_file; + testerror_file_func zerror_file; + voidpf opaque; +} zlib_filefunc_def; + + + +void fill_qiodevice_filefunc OF((zlib_filefunc_def* pzlib_filefunc_def)); + +#define ZREAD(filefunc,filestream,buf,size) ((*((filefunc).zread_file))((filefunc).opaque,filestream,buf,size)) +#define ZWRITE(filefunc,filestream,buf,size) ((*((filefunc).z |
