108 lines
4.3 KiB
C++
108 lines
4.3 KiB
C++
/******************************************************************************
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* Copyright (C) 2011 Frank Osterfeld <frank.osterfeld@gmail.com> *
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* *
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* This program is distributed in the hope that it will be useful, but *
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* WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY *
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* or FITNESS FOR A PARTICULAR PURPOSE. For licensing and distribution *
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* details, check the accompanying file 'COPYING'. *
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*****************************************************************************/
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#include "keychain_p.h"
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#include <QSettings>
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#include <windows.h>
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#include <wincrypt.h>
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#include <memory>
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using namespace QKeychain;
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void ReadPasswordJobPrivate::scheduledStart() {
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//Use settings member if there, create local settings object if not
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std::auto_ptr<QSettings> local( !q->settings() ? new QSettings( q->service() ) : 0 );
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QSettings* actual = q->settings() ? q->settings() : local.get();
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QByteArray encrypted = actual->value( key ).toByteArray();
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if ( encrypted.isNull() ) {
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q->emitFinishedWithError( EntryNotFound, tr("Entry not found") );
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return;
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}
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DATA_BLOB blob_in, blob_out;
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blob_in.pbData = reinterpret_cast<BYTE*>( encrypted.data() );
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blob_in.cbData = encrypted.size();
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const BOOL ret = CryptUnprotectData( &blob_in,
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NULL,
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NULL,
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NULL,
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NULL,
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0,
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&blob_out );
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if ( !ret ) {
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q->emitFinishedWithError( OtherError, tr("Could not decrypt data") );
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return;
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}
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data = QByteArray( reinterpret_cast<char*>( blob_out.pbData ), blob_out.cbData );
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SecureZeroMemory( blob_out.pbData, blob_out.cbData );
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LocalFree( blob_out.pbData );
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q->emitFinished();
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}
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void WritePasswordJobPrivate::scheduledStart() {
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if ( mode == Delete ) {
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//Use settings member if there, create local settings object if not
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std::auto_ptr<QSettings> local( !q->settings() ? new QSettings( q->service() ) : 0 );
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QSettings* actual = q->settings() ? q->settings() : local.get();
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actual->remove( key );
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actual->sync();
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if ( actual->status() != QSettings::NoError ) {
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const QString err = actual->status() == QSettings::AccessError
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? tr("Could not delete encrypted data from settings: access error")
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: tr("Could not delete encrypted data from settings: format error");
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q->emitFinishedWithError( OtherError, err );
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} else {
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q->emitFinished();
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}
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return;
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}
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QByteArray data = mode == Binary ? binaryData : textData.toUtf8();
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DATA_BLOB blob_in, blob_out;
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blob_in.pbData = reinterpret_cast<BYTE*>( data.data() );
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blob_in.cbData = data.size();
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const BOOL res = CryptProtectData( &blob_in,
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L"QKeychain-encrypted data",
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NULL,
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NULL,
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NULL,
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0,
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&blob_out );
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if ( !res ) {
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q->emitFinishedWithError( OtherError, tr("Encryption failed") ); //TODO more details available?
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return;
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}
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const QByteArray encrypted( reinterpret_cast<char*>( blob_out.pbData ), blob_out.cbData );
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LocalFree( blob_out.pbData );
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//Use settings member if there, create local settings object if not
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std::auto_ptr<QSettings> local( !q->settings() ? new QSettings( q->service() ) : 0 );
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QSettings* actual = q->settings() ? q->settings() : local.get();
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actual->setValue( key, encrypted );
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actual->sync();
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if ( actual->status() != QSettings::NoError ) {
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const QString errorString = actual->status() == QSettings::AccessError
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? tr("Could not store encrypted data in settings: access error")
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: tr("Could not store encrypted data in settings: format error");
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q->emitFinishedWithError( OtherError, errorString );
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return;
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}
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q->emitFinished();
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}
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