keepassxc/utils/merge-databases.cpp

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/*
* Copyright (C) 2010 Felix Geyer <debfx@fobos.de>
*
* This program is free software: you can redistribute it and/or modify
* it under the terms of the GNU General Public License as published by
* the Free Software Foundation, either version 2 or (at your option)
* version 3 of the License.
*
* This program is distributed in the hope that it will be useful,
* but WITHOUT ANY WARRANTY; without even the implied warranty of
* MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
* GNU General Public License for more details.
*
* You should have received a copy of the GNU General Public License
* along with this program. If not, see <http://www.gnu.org/licenses/>.
*/
#include <stdio.h>
#include <QCoreApplication>
#include <QFile>
#include <QSaveFile>
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#include <QStringList>
#include <QTextStream>
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#include "core/Database.h"
#include "crypto/Crypto.h"
#include "format/KeePass2Reader.h"
#include "format/KeePass2Writer.h"
#include "keys/CompositeKey.h"
#include "keys/FileKey.h"
#include "keys/PasswordKey.h"
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int main(int argc, char **argv)
{
QCoreApplication app(argc, argv);
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if (app.arguments().size() != 3) {
qCritical("Usage: merge-databases <kdbx file1> <kdbx file2>");
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return 1;
}
if (!Crypto::init()) {
qFatal("Fatal error while testing the cryptographic functions:\n%s", qPrintable(Crypto::errorString()));
}
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static QTextStream inputTextStream(stdin, QIODevice::ReadOnly);
QString line = inputTextStream.readLine();
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CompositeKey key;
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if (QFile::exists(line)) {
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FileKey fileKey;
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fileKey.load(line);
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key.addKey(fileKey);
}
else {
PasswordKey password;
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password.setPassword(line);
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key.addKey(password);
}
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QString databaseFilename1 = app.arguments().at(1);
QFile dbFile1(databaseFilename1);
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if (!dbFile1.exists()) {
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qCritical("File %s does not exist.", qPrintable(databaseFilename1));
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return 1;
}
if (!dbFile1.open(QIODevice::ReadOnly)) {
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qCritical("Unable to open file %s.", qPrintable(databaseFilename1));
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return 1;
}
KeePass2Reader reader1;
Database* db1 = reader1.readDatabase(&dbFile1, key);
if (reader1.hasError()) {
qCritical("Error while parsing the database:\n%s\n", qPrintable(reader1.errorString()));
return 1;
}
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QString databaseFilename2 = app.arguments().at(2);
QFile dbFile2(databaseFilename2);
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if (!dbFile2.exists()) {
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qCritical("File %s does not exist.", qPrintable(databaseFilename2));
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return 1;
}
if (!dbFile2.open(QIODevice::ReadOnly)) {
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qCritical("Unable to open file %s.", qPrintable(databaseFilename2));
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return 1;
}
KeePass2Reader reader2;
Database* db2 = reader2.readDatabase(&dbFile2, key);
if (reader1.hasError()) {
qCritical("Error while parsing the database:\n%s\n", qPrintable(reader1.errorString()));
return 1;
}
db1->merge(db2);
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QSaveFile saveFile(databaseFilename1);
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if (!saveFile.open(QIODevice::WriteOnly)) {
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qCritical("Unable to open file %s for writing.", qPrintable(databaseFilename1));
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return 1;
}
KeePass2Writer writer;
writer.writeDatabase(&saveFile, db1);
if (writer.hasError()) {
qCritical("Error while updating the database:\n%s\n", qPrintable(writer.errorString()));
return 1;
}
if (!saveFile.commit()) {
qCritical("Error while updating the database:\n%s\n", qPrintable(writer.errorString()));
return 0;
}
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qDebug("Successfully merged the database files.\n");
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return 1;
}