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Add support for gzip compressed databases.

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Felix Geyer 2010-09-23 22:27:59 +02:00
parent f0e711ac23
commit b8dfb9cc4d
13 changed files with 1290 additions and 11 deletions
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2
CMakeLists.txt
View file

@ -49,6 +49,8 @@ find_package(Automoc4 REQUIRED)
find_package(Libgcrypt REQUIRED) find_package(Libgcrypt REQUIRED)
find_package(ZLIB REQUIRED)
add_subdirectory(src) add_subdirectory(src)
if( WITH_TESTS ) if( WITH_TESTS )
add_subdirectory(tests) add_subdirectory(tests)

4
COPYING
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@ -30,6 +30,10 @@ Files: share/icons/entries/*.png
Copyright: 2003-2004, David Vignoni <david@icon-king.com> Copyright: 2003-2004, David Vignoni <david@icon-king.com>
License: LGPL-2.1 License: LGPL-2.1
Files: src/streams/qtiocompressor.*, src/streams/QtIOCompressor
Copyright: 2009, Nokia Corporation and/or its subsidiary(-ies)
License: LGPL-2.1 or GPL-3
Files: tests/modeltest.* Files: tests/modeltest.*
Copyright: 2007, Trolltech ASA Copyright: 2007, Trolltech ASA
License: GPL-2 License: GPL-2

502
LICENSE.LGPL Normal file
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@ -0,0 +1,502 @@
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LICENSE.NOKIA-LGPL-EXCEPTION Normal file
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@ -0,0 +1,23 @@
Nokia Qt LGPL Exception version 1.1
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to a modified version of the Library.

3
src/CMakeLists.txt
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@ -43,6 +43,7 @@ set(keepassx_SOURCES
keys/PasswordKey.cpp keys/PasswordKey.cpp
streams/HashedBlockStream.cpp streams/HashedBlockStream.cpp
streams/LayeredStream.cpp streams/LayeredStream.cpp
streams/qtiocompressor.cpp
streams/SymmetricCipherStream.cpp streams/SymmetricCipherStream.cpp
) )
@ -55,4 +56,4 @@ qt4_wrap_ui(keepassx_SOURCES ${keepassx_FORMS})
automoc4_add_library( keepassx_core STATIC ${keepassx_SOURCES} ) automoc4_add_library( keepassx_core STATIC ${keepassx_SOURCES} )
automoc4_add_executable( ${PROGNAME} WIN32 MACOSX_BUNDLE main.cpp ) automoc4_add_executable( ${PROGNAME} WIN32 MACOSX_BUNDLE main.cpp )
target_link_libraries( ${PROGNAME} keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${LIBGCRYPT_LIBS} ) target_link_libraries( ${PROGNAME} keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${LIBGCRYPT_LIBS} ${ZLIB_LIBRARIES} )

20
src/format/KeePass2Reader.cpp
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@ -21,10 +21,10 @@
#include <QtCore/QFile> #include <QtCore/QFile>
#include <QtCore/QIODevice> #include <QtCore/QIODevice>
#include "KeePass2.h"
#include "KeePass2XmlReader.h" #include "KeePass2XmlReader.h"
#include "crypto/CryptoHash.h" #include "crypto/CryptoHash.h"
#include "streams/HashedBlockStream.h" #include "streams/HashedBlockStream.h"
#include "streams/QtIOCompressor"
#include "streams/SymmetricCipherStream.h" #include "streams/SymmetricCipherStream.h"
const QSysInfo::Endian KeePass2Reader::BYTEORDER = QSysInfo::LittleEndian; const QSysInfo::Endian KeePass2Reader::BYTEORDER = QSysInfo::LittleEndian;
@ -80,8 +80,22 @@ Database* KeePass2Reader::readDatabase(QIODevice* device, const CompositeKey& ke
HashedBlockStream hashedStream(&cipherStream); HashedBlockStream hashedStream(&cipherStream);
hashedStream.open(QIODevice::ReadOnly); hashedStream.open(QIODevice::ReadOnly);
QIODevice* xmlDevice;
QScopedPointer<QtIOCompressor> ioCompressor;
if (m_compression == KeePass2::CompressionNone) {
xmlDevice = &hashedStream;
}
else {
ioCompressor.reset(new QtIOCompressor(&hashedStream));
ioCompressor->setStreamFormat(QtIOCompressor::GzipFormat);
ioCompressor->open(QIODevice::ReadOnly);
xmlDevice = ioCompressor.data();
}
KeePass2XmlReader xmlReader; KeePass2XmlReader xmlReader;
Database* db = xmlReader.readDatabase(&hashedStream); Database* db = xmlReader.readDatabase(xmlDevice);
// TODO forward error messages from xmlReader
return db; return db;
} }
@ -208,7 +222,7 @@ void KeePass2Reader::setCompressionFlags(const QByteArray& data)
raiseError(""); raiseError("");
} }
else { else {
m_compression = id; m_compression = static_cast<KeePass2::CompressionAlgorithm>(id);
} }
} }
} }

3
src/format/KeePass2Reader.h
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@ -23,6 +23,7 @@
#include "core/Endian.h" #include "core/Endian.h"
#include "core/Uuid.h" #include "core/Uuid.h"
#include "keys/CompositeKey.h" #include "keys/CompositeKey.h"
#include "format/KeePass2.h"
class Database; class Database;
@ -59,7 +60,7 @@ private:
bool m_headerEnd; bool m_headerEnd;
Uuid m_cipher; Uuid m_cipher;
int m_compression; KeePass2::CompressionAlgorithm m_compression;
QByteArray m_masterSeed; QByteArray m_masterSeed;
QByteArray m_transformSeed; QByteArray m_transformSeed;
quint64 m_transformRounds; quint64 m_transformRounds;

1
src/streams/QtIOCompressor Normal file
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@ -0,0 +1 @@
#include "qtiocompressor.h"

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/****************************************************************************
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of a Qt Solutions component.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Solutions Commercial License Agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LICENSE.NOKIA-LGPL-EXCEPTION
** in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL-3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** Please note Third Party Software included with Qt Solutions may impose
** additional restrictions and it is the user's responsibility to ensure
** that they have met the licensing requirements of the GPL, LGPL, or Qt
** Solutions Commercial license and the relevant license of the Third
** Party Software they are using.
**
** If you are unsure which license is appropriate for your use, please
** contact Nokia at qt-info@nokia.com.
**
****************************************************************************/
#include "qtiocompressor.h"
#include "zlib.h"
#include <QtCore/QDebug>
typedef Bytef ZlibByte;
typedef uInt ZlibSize;
class QtIOCompressorPrivate {
QtIOCompressor *q_ptr;
Q_DECLARE_PUBLIC(QtIOCompressor)
public:
enum State {
// Read state
NotReadFirstByte,
InStream,
EndOfStream,
// Write state
NoBytesWritten,
BytesWritten,
// Common
Closed,
Error
};
QtIOCompressorPrivate(QtIOCompressor *q_ptr, QIODevice *device, int compressionLevel, int bufferSize);
~QtIOCompressorPrivate();
void flushZlib(int flushMode);
bool writeBytes(ZlibByte *buffer, ZlibSize outputSize);
void setZlibError(const QString &erroMessage, int zlibErrorCode);
QIODevice *device;
bool manageDevice;
z_stream zlibStream;
const int compressionLevel;
const ZlibSize bufferSize;
ZlibByte *buffer;
State state;
QtIOCompressor::StreamFormat streamFormat;
};
/*!
\internal
*/
QtIOCompressorPrivate::QtIOCompressorPrivate(QtIOCompressor *q_ptr, QIODevice *device, int compressionLevel, int bufferSize)
:q_ptr(q_ptr)
,device(device)
,compressionLevel(compressionLevel)
,bufferSize(bufferSize)
,buffer(new ZlibByte[bufferSize])
,state(Closed)
,streamFormat(QtIOCompressor::ZlibFormat)
{
// Use default zlib memory management.
zlibStream.zalloc = Z_NULL;
zlibStream.zfree = Z_NULL;
zlibStream.opaque = Z_NULL;
}
/*!
\internal
*/
QtIOCompressorPrivate::~QtIOCompressorPrivate()
{
delete[] buffer;
}
/*!
\internal
Flushes the zlib stream.
*/
void QtIOCompressorPrivate::flushZlib(int flushMode)
{
// No input.
zlibStream.next_in = 0;
zlibStream.avail_in = 0;
int status;
do {
zlibStream.next_out = buffer;
zlibStream.avail_out = bufferSize;
status = deflate(&zlibStream, flushMode);
if (status != Z_OK && status != Z_STREAM_END) {
state = QtIOCompressorPrivate::Error;
setZlibError(QT_TRANSLATE_NOOP("QtIOCompressor", "Internal zlib error when compressing: "), status);
return;
}
ZlibSize outputSize = bufferSize - zlibStream.avail_out;
// Try to write data from the buffer to to the underlying device, return on failure.
if (!writeBytes(buffer, outputSize))
return;
// If the mode is Z_FNISH we must loop until we get Z_STREAM_END,
// else we loop as long as zlib is able to fill the output buffer.
} while ((flushMode == Z_FINISH && status != Z_STREAM_END) || (flushMode != Z_FINISH && zlibStream.avail_out == 0));
if (flushMode == Z_FINISH)
Q_ASSERT(status == Z_STREAM_END);
else
Q_ASSERT(status == Z_OK);
}
/*!
\internal
Writes outputSize bytes from buffer to the inderlying device.
*/
bool QtIOCompressorPrivate::writeBytes(ZlibByte *buffer, ZlibSize outputSize)
{
Q_Q(QtIOCompressor);
ZlibSize totalBytesWritten = 0;
// Loop until all bytes are written to the underlying device.
do {
const qint64 bytesWritten = device->write(reinterpret_cast<char *>(buffer), outputSize);
if (bytesWritten == -1) {
q->setErrorString(QT_TRANSLATE_NOOP("QtIOCompressor", "Error writing to underlying device: ") + device->errorString());
return false;
}
totalBytesWritten += bytesWritten;
} while (totalBytesWritten != outputSize);
// put up a flag so that the device will be flushed on close.
state = BytesWritten;
return true;
}
/*!
\internal
Sets the error string to errorMessage + zlib error string for zlibErrorCode
*/
void QtIOCompressorPrivate::setZlibError(const QString &errorMessage, int zlibErrorCode)
{
Q_Q(QtIOCompressor);
// Watch out, zlibErrorString may be null.
const char * const zlibErrorString = zError(zlibErrorCode);
QString errorString;
if (zlibErrorString)
errorString = errorMessage + zlibErrorString;
else
errorString = errorMessage + " Unknown error, code " + QString::number(zlibErrorCode);
q->setErrorString(errorString);
}
/*! \class QtIOCompressor
\brief The QtIOCompressor class is a QIODevice that compresses data streams.
A QtIOCompressor object is constructed with a pointer to an
underlying QIODevice. Data written to the QtIOCompressor object
will be compressed before it is written to the underlying
QIODevice. Similary, if you read from the QtIOCompressor object,
the data will be read from the underlying device and then
decompressed.
QtIOCompressor is a sequential device, which means that it does
not support seeks or random access. Internally, QtIOCompressor
uses the zlib library to compress and uncompress data.
Usage examples:
Writing compressed data to a file:
\code
QFile file("foo");
QtIOCompressor compressor(&file);
compressor.open(QIODevice::WriteOnly);
compressor.write(QByteArray() << "The quick brown fox");
compressor.close();
\endcode
Reading compressed data from a file:
\code
QFile file("foo");
QtIOCompressor compressor(&file);
compressor.open(QIODevice::ReadOnly);
const QByteArray text = compressor.readAll();
compressor.close();
\endcode
QtIOCompressor can also read and write compressed data in
different compressed formats, ref. StreamFormat. Use
setStreamFormat() before open() to select format.
*/
/*!
\enum QtIOCompressor::StreamFormat
This enum specifies which stream format to use.
\value ZlibFormat: This is the default and has the smallest overhead.
\value GzipFormat: This format is compatible with the gzip file
format, but has more overhead than ZlibFormat. Note: requires zlib
version 1.2.x or higher at runtime.
\value RawZipFormat: This is compatible with the most common
compression method of the data blocks contained in ZIP
archives. Note: ZIP file headers are not read or generated, so
setting this format, by itself, does not let QtIOCompressor read
or write ZIP files. Ref. the ziplist example program.
\sa setStreamFormat()
*/
/*!
Constructs a QtIOCompressor using the given \a device as the underlying device.
The allowed value range for \a compressionLevel is 0 to 9, where 0 means no compression
and 9 means maximum compression. The default value is 6.
\a bufferSize specifies the size of the internal buffer used when reading from and writing to the
underlying device. The default value is 65KB. Using a larger value allows for faster compression and
deompression at the expense of memory usage.
*/
QtIOCompressor::QtIOCompressor(QIODevice *device, int compressionLevel, int bufferSize)
:d_ptr(new QtIOCompressorPrivate(this, device, compressionLevel, bufferSize))
{}
/*!
Destroys the QtIOCompressor, closing it if neccesary.
*/
QtIOCompressor::~QtIOCompressor()
{
Q_D(QtIOCompressor);
close();
delete d;
}
/*!
Sets the format on the compressed stream to \a format.
\sa QtIOCompressor::StreamFormat
*/
void QtIOCompressor::setStreamFormat(StreamFormat format)
{
Q_D(QtIOCompressor);
// Print a waning if the compile-time version of zlib does not support gzip.
if (format == GzipFormat && checkGzipSupport(ZLIB_VERSION) == false)
qWarning("QtIOCompressor::setStreamFormat: zlib 1.2.x or higher is "
"required to use the gzip format. Current version is: %s",
ZLIB_VERSION);
d->streamFormat = format;
}
/*!
Returns the format set on the compressed stream.
\sa QtIOCompressor::StreamFormat
*/
QtIOCompressor::StreamFormat QtIOCompressor::streamFormat() const
{
Q_D(const QtIOCompressor);
return d->streamFormat;
}
/*!
Returns true if the zlib library in use supports the gzip format, false otherwise.
*/
bool QtIOCompressor::isGzipSupported()
{
return checkGzipSupport(zlibVersion());
}
/*!
\reimp
*/
bool QtIOCompressor::isSequential() const
{
return true;
}
/*!
Opens the QtIOCompressor in \a mode. Only ReadOnly and WriteOnly is supported.
This functon will return false if you try to open in other modes.
If the underlying device is not opened, this function will open it in a suitable mode. If this happens
the device will also be closed when close() is called.
If the underlying device is already opened, its openmode must be compatable with \a mode.
Returns true on success, false on error.
\sa close()
*/
bool QtIOCompressor::open(OpenMode mode)
{
Q_D(QtIOCompressor);
if (isOpen()) {
qWarning("QtIOCompressor::open: device already open");
return false;
}
// Check for correct mode: ReadOnly xor WriteOnly
const bool read = (mode & ReadOnly);
const bool write = (mode & WriteOnly);
const bool both = (read && write);
const bool neither = !(read || write);
if (both || neither) {
qWarning("QtIOCompressor::open: QtIOCompressor can only be opened in the ReadOnly or WriteOnly modes");
return false;
}
// If the underlying device is open, check that is it opened in a compatible mode.
if (d->device->isOpen()) {
d->manageDevice = false;
const OpenMode deviceMode = d->device->openMode();
if (read && !(deviceMode & ReadOnly)) {
qWarning("QtIOCompressor::open: underlying device must be open in one of the ReadOnly or WriteOnly modes");
return false;
} else if (write && !(deviceMode & WriteOnly)) {
qWarning("QtIOCompressor::open: underlying device must be open in one of the ReadOnly or WriteOnly modes");
return false;
}
// If the underlying device is closed, open it.
} else {
d->manageDevice = true;
if (d->device->open(mode) == false) {
setErrorString(QT_TRANSLATE_NOOP("QtIOCompressor", "Error opening underlying device: ") + d->device->errorString());
return false;
}
}
// Initialize zlib for deflating or inflating.
// The second argument to inflate/deflateInit2 is the windowBits parameter,
// which also controls what kind of compression stream headers to use.
// The default value for this is 15. Passing a value greater than 15
// enables gzip headers and then subtracts 16 form the windowBits value.
// (So passing 31 gives gzip headers and 15 windowBits). Passing a negative
// value selects no headers hand then negates the windowBits argument.
int windowBits;
switch (d->streamFormat) {
case QtIOCompressor::GzipFormat:
windowBits = 31;
break;
case QtIOCompressor::RawZipFormat:
windowBits = -15;
break;
default:
windowBits = 15;
}
int status;
if (read) {
d->state = QtIOCompressorPrivate::NotReadFirstByte;
d->zlibStream.avail_in = 0;
d->zlibStream.next_in = 0;
if (d->streamFormat == QtIOCompressor::ZlibFormat) {
status = inflateInit(&d->zlibStream);
} else {
if (checkGzipSupport(zlibVersion()) == false) {
setErrorString(QT_TRANSLATE_NOOP("QtIOCompressor::open", "The gzip format not supported in this version of zlib."));
return false;
}
status = inflateInit2(&d->zlibStream, windowBits);
}
} else {
d->state = QtIOCompressorPrivate::NoBytesWritten;
if (d->streamFormat == QtIOCompressor::ZlibFormat)
status = deflateInit(&d->zlibStream, d->compressionLevel);
else
status = deflateInit2(&d->zlibStream, d->compressionLevel, Z_DEFLATED, windowBits, 8, Z_DEFAULT_STRATEGY);
}
// Handle error.
if (status != Z_OK) {
d->setZlibError(QT_TRANSLATE_NOOP("QtIOCompressor::open", "Internal zlib error: "), status);
return false;
}
return QIODevice::open(mode);
}
/*!
Closes the QtIOCompressor, and also the underlying device if it was opened by QtIOCompressor.
\sa open()
*/
void QtIOCompressor::close()
{
Q_D(QtIOCompressor);
if (isOpen() == false)
return;
// Flush and close the zlib stream.
if (openMode() & ReadOnly) {
d->state = QtIOCompressorPrivate::NotReadFirstByte;
inflateEnd(&d->zlibStream);
} else {
if (d->state == QtIOCompressorPrivate::BytesWritten) { // Only flush if we have written anything.
d->state = QtIOCompressorPrivate::NoBytesWritten;
d->flushZlib(Z_FINISH);
}
deflateEnd(&d->zlibStream);
}
// Close the underlying device if we are managing it.
if (d->manageDevice)
d->device->close();
QIODevice::close();
}
/*!
Flushes the internal buffer.
Each time you call flush, all data written to the QtIOCompressor is compressed and written to the
underlying device. Calling this function can reduce the compression ratio. The underlying device
is not flushed.
Calling this function when QtIOCompressor is in ReadOnly mode has no effect.
*/
void QtIOCompressor::flush()
{
Q_D(QtIOCompressor);
if (isOpen() == false || openMode() & ReadOnly)
return;
d->flushZlib(Z_SYNC_FLUSH);
}
/*!
Returns 1 if there might be data available for reading, or 0 if there is no data available.
There is unfortunately no way of knowing how much data there is available when dealing with compressed streams.
Also, since the remaining compressed data might be a part of the meta-data that ends the compressed stream (and
therefore will yield no uncompressed data), you cannot assume that a read after getting a 1 from this function will return data.
*/
qint64 QtIOCompressor::bytesAvailable() const
{
Q_D(const QtIOCompressor);
if ((openMode() & ReadOnly) == false)
return 0;
int numBytes = 0;
switch (d->state) {
case QtIOCompressorPrivate::NotReadFirstByte:
numBytes = d->device->bytesAvailable();
break;
case QtIOCompressorPrivate::InStream:
numBytes = 1;
break;
case QtIOCompressorPrivate::EndOfStream:
case QtIOCompressorPrivate::Error:
default:
numBytes = 0;
break;
};
numBytes += QIODevice::bytesAvailable();
if (numBytes > 0)
return 1;
else
return 0;
}
/*!
\internal
Reads and decompresses data from the underlying device.
*/
qint64 QtIOCompressor::readData(char *data, qint64 maxSize)
{
Q_D(QtIOCompressor);
if (d->state == QtIOCompressorPrivate::EndOfStream)
return 0;
if (d->state == QtIOCompressorPrivate::Error)
return -1;
// We are ging to try to fill the data buffer
d->zlibStream.next_out = reinterpret_cast<ZlibByte *>(data);
d->zlibStream.avail_out = maxSize;
int status;
do {
// Read data if if the input buffer is empty. There could be data in the buffer
// from a previous readData call.
if (d->zlibStream.avail_in == 0) {
qint64 bytesAvalible = d->device->read(reinterpret_cast<char *>(d->buffer), d->bufferSize);
d->zlibStream.next_in = d->buffer;
d->zlibStream.avail_in = bytesAvalible;
if (bytesAvalible == -1) {
d->state = QtIOCompressorPrivate::Error;
setErrorString(QT_TRANSLATE_NOOP("QtIOCompressor", "Error reading data from underlying device: ") + d->device->errorString());
return -1;
}
if (d->state != QtIOCompressorPrivate::InStream) {
// If we are not in a stream and get 0 bytes, we are probably trying to read from an empty device.
if(bytesAvalible == 0)
return 0;
else if (bytesAvalible > 0)
d->state = QtIOCompressorPrivate::InStream;
}
}
// Decompress.
status = inflate(&d->zlibStream, Z_SYNC_FLUSH);
switch (status) {
case Z_NEED_DICT:
case Z_DATA_ERROR:
case Z_MEM_ERROR:
d->state = QtIOCompressorPrivate::Error;
d->setZlibError(QT_TRANSLATE_NOOP("QtIOCompressor", "Internal zlib error when decompressing: "), status);
return -1;
case Z_BUF_ERROR: // No more input and zlib can not privide more output - Not an error, we can try to read again when we have more input.
return 0;
break;
}
// Loop util data buffer is full or we reach the end of the input stream.
} while (d->zlibStream.avail_out != 0 && status != Z_STREAM_END);
if (status == Z_STREAM_END) {
d->state = QtIOCompressorPrivate::EndOfStream;
// Unget any data left in the read buffer.
for (int i = d->zlibStream.avail_in; i >= 0; --i)
d->device->ungetChar(*reinterpret_cast<char *>(d->zlibStream.next_in + i));
}
const ZlibSize outputSize = maxSize - d->zlibStream.avail_out;
return outputSize;
}
/*!
\internal
Compresses and writes data to the underlying device.
*/
qint64 QtIOCompressor::writeData(const char *data, qint64 maxSize)
{
if (maxSize < 1)
return 0;
Q_D(QtIOCompressor);
d->zlibStream.next_in = reinterpret_cast<ZlibByte *>(const_cast<char *>(data));
d->zlibStream.avail_in = maxSize;
if (d->state == QtIOCompressorPrivate::Error)
return -1;
do {
d->zlibStream.next_out = d->buffer;
d->zlibStream.avail_out = d->bufferSize;
const int status = deflate(&d->zlibStream, Z_NO_FLUSH);
if (status != Z_OK) {
d->state = QtIOCompressorPrivate::Error;
d->setZlibError(QT_TRANSLATE_NOOP("QtIOCompressor", "Internal zlib error when compressing: "), status);
return -1;
}
ZlibSize outputSize = d->bufferSize - d->zlibStream.avail_out;
// Try to write data from the buffer to to the underlying device, return -1 on failure.
if (d->writeBytes(d->buffer, outputSize) == false)
return -1;
} while (d->zlibStream.avail_out == 0); // run until output is not full.
Q_ASSERT(d->zlibStream.avail_in == 0);
return maxSize;
}
/*
\internal
Checks if the run-time zlib version is 1.2.x or higher.
*/
bool QtIOCompressor::checkGzipSupport(const char * const versionString)
{
if (strlen(versionString) < 3)
return false;
if (versionString[0] == '0' || (versionString[0] == '1' && (versionString[2] == '0' || versionString[2] == '1' )))
return false;
return true;
}

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/****************************************************************************
**
** Copyright (c) 2009 Nokia Corporation and/or its subsidiary(-ies).
** All rights reserved.
** Contact: Nokia Corporation (qt-info@nokia.com)
**
** This file is part of a Qt Solutions component.
**
** Commercial Usage
** Licensees holding valid Qt Commercial licenses may use this file in
** accordance with the Qt Solutions Commercial License Agreement provided
** with the Software or, alternatively, in accordance with the terms
** contained in a written agreement between you and Nokia.
**
** GNU Lesser General Public License Usage
** Alternatively, this file may be used under the terms of the GNU Lesser
** General Public License version 2.1 as published by the Free Software
** Foundation and appearing in the file LICENSE.LGPL included in the
** packaging of this file. Please review the following information to
** ensure the GNU Lesser General Public License version 2.1 requirements
** will be met: http://www.gnu.org/licenses/old-licenses/lgpl-2.1.html.
**
** In addition, as a special exception, Nokia gives you certain
** additional rights. These rights are described in the Nokia Qt LGPL
** Exception version 1.1, included in the file LICENSE.NOKIA-LGPL-EXCEPTION
** in this package.
**
** GNU General Public License Usage
** Alternatively, this file may be used under the terms of the GNU
** General Public License version 3.0 as published by the Free Software
** Foundation and appearing in the file LICENSE.GPL-3 included in the
** packaging of this file. Please review the following information to
** ensure the GNU General Public License version 3.0 requirements will be
** met: http://www.gnu.org/copyleft/gpl.html.
**
** Please note Third Party Software included with Qt Solutions may impose
** additional restrictions and it is the user's responsibility to ensure
** that they have met the licensing requirements of the GPL, LGPL, or Qt
** Solutions Commercial license and the relevant license of the Third
** Party Software they are using.
**
** If you are unsure which license is appropriate for your use, please
** contact Nokia at qt-info@nokia.com.
**
****************************************************************************/
#ifndef QTIOCOMPRESSOR_H
#define QTIOCOMPRESSOR_H
#include <QtCore/QIODevice>
#if defined(Q_WS_WIN)
# if !defined(QT_QTIOCOMPRESSOR_EXPORT) && !defined(QT_QTIOCOMPRESSOR_IMPORT)
# define QT_QTIOCOMPRESSOR_EXPORT
# elif defined(QT_QTIOCOMPRESSOR_IMPORT)
# if defined(QT_QTIOCOMPRESSOR_EXPORT)
# undef QT_QTIOCOMPRESSOR_EXPORT
# endif
# define QT_QTIOCOMPRESSOR_EXPORT __declspec(dllimport)
# elif defined(QT_QTIOCOMPRESSOR_EXPORT)
# undef QT_QTIOCOMPRESSOR_EXPORT
# define QT_QTIOCOMPRESSOR_EXPORT __declspec(dllexport)
# endif
#else
# define QT_QTIOCOMPRESSOR_EXPORT
#endif
class QtIOCompressorPrivate;
class QT_QTIOCOMPRESSOR_EXPORT QtIOCompressor : public QIODevice
{
Q_OBJECT
public:
enum StreamFormat { ZlibFormat, GzipFormat, RawZipFormat };
QtIOCompressor(QIODevice *device, int compressionLevel = 6, int bufferSize = 65500);
~QtIOCompressor();
void setStreamFormat(StreamFormat format);
StreamFormat streamFormat() const;
static bool isGzipSupported();
bool isSequential() const;
bool open(OpenMode mode);
void close();
void flush();
qint64 bytesAvailable() const;
protected:
qint64 readData(char * data, qint64 maxSize);
qint64 writeData(const char * data, qint64 maxSize);
private:
static bool checkGzipSupport(const char * const versionString);
QtIOCompressorPrivate *d_ptr;
Q_DECLARE_PRIVATE(QtIOCompressor)
Q_DISABLE_COPY(QtIOCompressor)
};
#endif

12
tests/CMakeLists.txt
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@ -66,22 +66,22 @@ endmacro (ADD_UNIT_TEST)
# TODO automocify? # TODO automocify?
add_unit_test( testgroup TestGroup.cpp ) add_unit_test( testgroup TestGroup.cpp )
target_link_libraries( testgroup keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ) target_link_libraries( testgroup keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ${ZLIB_LIBRARIES} )
add_unit_test( testkeepass2xmlreader TestKeePass2XmlReader.cpp ) add_unit_test( testkeepass2xmlreader TestKeePass2XmlReader.cpp )
target_link_libraries( testkeepass2xmlreader keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ) target_link_libraries( testkeepass2xmlreader keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ${ZLIB_LIBRARIES} )
add_unit_test( testkeepass2reader TestKeePass2Reader.cpp ) add_unit_test( testkeepass2reader TestKeePass2Reader.cpp )
target_link_libraries( testkeepass2reader keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ) target_link_libraries( testkeepass2reader keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ${ZLIB_LIBRARIES} )
add_unit_test( testgroupmodel TestGroupModel.cpp modeltest.cpp ) add_unit_test( testgroupmodel TestGroupModel.cpp modeltest.cpp )
target_link_libraries( testgroupmodel keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ) target_link_libraries( testgroupmodel keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ${ZLIB_LIBRARIES} )
add_unit_test( testentrymodel TestEntryModel.cpp modeltest.cpp ) add_unit_test( testentrymodel TestEntryModel.cpp modeltest.cpp )
target_link_libraries( testentrymodel keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ) target_link_libraries( testentrymodel keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ${ZLIB_LIBRARIES} )
add_unit_test( testcryptohash TestCryptoHash.cpp ) add_unit_test( testcryptohash TestCryptoHash.cpp )
target_link_libraries( testcryptohash keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ) target_link_libraries( testcryptohash keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ${ZLIB_LIBRARIES} )
add_unit_test( testsymmetriccipher TestSymmetricCipher.cpp ) add_unit_test( testsymmetriccipher TestSymmetricCipher.cpp )
target_link_libraries( testsymmetriccipher keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} ) target_link_libraries( testsymmetriccipher keepassx_core ${QT_QTCORE_LIBRARY} ${QT_QTGUI_LIBRARY} ${QT_QTTEST_LIBRARY} ${LIBGCRYPT_LIBS} )

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tests/Compressed.kdbx Normal file
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13
tests/TestKeePass2Reader.cpp
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@ -31,6 +31,7 @@ class TestKeePass2Reader : public QObject
private Q_SLOTS: private Q_SLOTS:
void initTestCase(); void initTestCase();
void testNonAscii(); void testNonAscii();
void testCompressed();
}; };
void TestKeePass2Reader::initTestCase() void TestKeePass2Reader::initTestCase()
@ -50,6 +51,18 @@ void TestKeePass2Reader::testNonAscii()
QCOMPARE(db->metadata()->name(), QString("NonAsciiTest")); QCOMPARE(db->metadata()->name(), QString("NonAsciiTest"));
} }
void TestKeePass2Reader::testCompressed()
{
QString filename = QString(KEEPASSX_TEST_DIR).append("/Compressed.kdbx");
CompositeKey key;
key.addKey(PasswordKey(""));
KeePass2Reader* reader = new KeePass2Reader();
Database* db = reader->readDatabase(filename, key);
QVERIFY(db);
QVERIFY(!reader->error());
QCOMPARE(db->metadata()->name(), QString("Compressed"));
}
QTEST_MAIN(TestKeePass2Reader); QTEST_MAIN(TestKeePass2Reader);
#include "TestKeePass2Reader.moc" #include "TestKeePass2Reader.moc"