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keepassxc/tests/TestKdbx4.cpp

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/*
* Copyright (C) 2018 KeePassXC Team <team@keepassxc.org>
*
* 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 "TestKdbx4.h"
#include "TestGlobal.h"
#include "core/Metadata.h"
#include "keys/PasswordKey.h"
#include "format/KeePass2.h"
#include "format/KeePass2Reader.h"
#include "format/KeePass2Writer.h"
#include "format/KdbxXmlReader.h"
#include "format/KdbxXmlWriter.h"
#include "config-keepassx-tests.h"
QTEST_GUILESS_MAIN(TestKdbx4)
void TestKdbx4::initTestCaseImpl()
{
m_xmlDb->changeKdf(KeePass2::uuidToKdf(KeePass2::KDF_ARGON2));
m_kdbxSourceDb->changeKdf(KeePass2::uuidToKdf(KeePass2::KDF_ARGON2));
}
Database* TestKdbx4::readXml(const QString& path, bool strictMode, bool& hasError, QString& errorString)
{
KdbxXmlReader reader(KeePass2::FILE_VERSION_4);
reader.setStrictMode(strictMode);
auto db = reader.readDatabase(path);
hasError = reader.hasError();
errorString = reader.errorString();
return db;
}
Database* TestKdbx4::readXml(QBuffer* buf, bool strictMode, bool& hasError, QString& errorString)
{
KdbxXmlReader reader(KeePass2::FILE_VERSION_4);
reader.setStrictMode(strictMode);
auto db = reader.readDatabase(buf);
hasError = reader.hasError();
errorString = reader.errorString();
return db;
}
void TestKdbx4::writeXml(QBuffer* buf, Database* db, bool& hasError, QString& errorString)
{
KdbxXmlWriter writer(KeePass2::FILE_VERSION_4);
writer.writeDatabase(buf, db);
hasError = writer.hasError();
errorString = writer.errorString();
}
void TestKdbx4::readKdbx(QIODevice* device, CompositeKey const& key, QScopedPointer<Database>& db,
bool& hasError, QString& errorString)
{
KeePass2Reader reader;
db.reset(reader.readDatabase(device, key));
hasError = reader.hasError();
if (hasError) {
errorString = reader.errorString();
}
QCOMPARE(reader.version(), KeePass2::FILE_VERSION_4);
}
void TestKdbx4::readKdbx(const QString& path, CompositeKey const& key, QScopedPointer<Database>& db,
bool& hasError, QString& errorString)
{
KeePass2Reader reader;
db.reset(reader.readDatabase(path, key));
hasError = reader.hasError();
if (hasError) {
errorString = reader.errorString();
}
QCOMPARE(reader.version(), KeePass2::FILE_VERSION_4);
}
void TestKdbx4::writeKdbx(QIODevice* device, Database* db, bool& hasError, QString& errorString)
{
if (db->kdf()->uuid() == KeePass2::KDF_AES_KDBX3) {
db->changeKdf(KeePass2::uuidToKdf(KeePass2::KDF_ARGON2));
}
KeePass2Writer writer;
hasError = writer.writeDatabase(device, db);
hasError = writer.hasError();
if (hasError) {
errorString = writer.errorString();
}
QCOMPARE(writer.version(), KeePass2::FILE_VERSION_4);
}
Q_DECLARE_METATYPE(Uuid);
void TestKdbx4::testFormat400()
{
QString filename = QString(KEEPASSX_TEST_DATA_DIR).append("/Format400.kdbx");
CompositeKey key;
key.addKey(PasswordKey("t"));
KeePass2Reader reader;
QScopedPointer<Database> db(reader.readDatabase(filename, key));
QCOMPARE(reader.version(), KeePass2::FILE_VERSION_4);
QVERIFY(db.data());
QVERIFY(!reader.hasError());
QCOMPARE(db->rootGroup()->name(), QString("Format400"));
QCOMPARE(db->metadata()->name(), QString("Format400"));
QCOMPARE(db->rootGroup()->entries().size(), 1);
auto entry = db->rootGroup()->entries().at(0);
QCOMPARE(entry->title(), QString("Format400"));
QCOMPARE(entry->username(), QString("Format400"));
QCOMPARE(entry->attributes()->keys().size(), 6);
QCOMPARE(entry->attributes()->value("Format400"), QString("Format400"));
QCOMPARE(entry->attachments()->keys().size(), 1);
QCOMPARE(entry->attachments()->value("Format400"), QByteArray("Format400\n"));
}
void TestKdbx4::testFormat400Upgrade()
{
QFETCH(Uuid, kdfUuid);
QFETCH(Uuid, cipherUuid);
QFETCH(bool, addCustomData);
QFETCH(quint32, expectedVersion);
QScopedPointer<Database> sourceDb(new Database());
sourceDb->metadata()->setName("Wubba lubba dub dub");
QCOMPARE(sourceDb->kdf()->uuid(), KeePass2::KDF_AES_KDBX3); // default is legacy AES-KDF
CompositeKey key;
key.addKey(PasswordKey("I am in great pain, please help me!"));
sourceDb->setKey(key, true, true);
QBuffer buffer;
buffer.open(QBuffer::ReadWrite);
// upgrade to KDBX 4 by changing KDF and Cipher
sourceDb->changeKdf(KeePass2::uuidToKdf(kdfUuid));
sourceDb->setCipher(cipherUuid);
// CustomData in meta should not cause any version change
sourceDb->metadata()->customData()->set("CustomPublicData", "Hey look, I turned myself into a pickle!");
if (addCustomData) {
// this, however, should
sourceDb->rootGroup()->customData()->set("CustomGroupData", "I just killed my family! I don't care who they were!");
}
KeePass2Writer writer;
writer.writeDatabase(&buffer, sourceDb.data());
if (writer.hasError()) {
QFAIL(qPrintable(QString("Error while writing database: %1").arg(writer.errorString())));
}
// read buffer back
buffer.seek(0);
KeePass2Reader reader;
QScopedPointer<Database> targetDb(reader.readDatabase(&buffer, key));
if (reader.hasError()) {
QFAIL(qPrintable(QString("Error while reading database: %1").arg(reader.errorString())));
}
QVERIFY(targetDb->rootGroup());
QCOMPARE(targetDb->metadata()->name(), sourceDb->metadata()->name());
QCOMPARE(reader.version(), expectedVersion);
QCOMPARE(targetDb->cipher(), cipherUuid);
QCOMPARE(*targetDb->metadata()->customData(), *sourceDb->metadata()->customData());
QCOMPARE(*targetDb->rootGroup()->customData(), *sourceDb->rootGroup()->customData());
}
void TestKdbx4::testFormat400Upgrade_data()
{
QTest::addColumn<Uuid>("kdfUuid");
QTest::addColumn<Uuid>("cipherUuid");
QTest::addColumn<bool>("addCustomData");
QTest::addColumn<quint32>("expectedVersion");
auto constexpr kdbx3 = KeePass2::FILE_VERSION_3_1 & KeePass2::FILE_VERSION_CRITICAL_MASK;
auto constexpr kdbx4 = KeePass2::FILE_VERSION_4 & KeePass2::FILE_VERSION_CRITICAL_MASK;
QTest::newRow("Argon2 + AES") << KeePass2::KDF_ARGON2 << KeePass2::CIPHER_AES << false << kdbx4;
QTest::newRow("AES-KDF + AES") << KeePass2::KDF_AES_KDBX4 << KeePass2::CIPHER_AES << false << kdbx4;
QTest::newRow("AES-KDF (legacy) + AES") << KeePass2::KDF_AES_KDBX3 << KeePass2::CIPHER_AES << false << kdbx3;
QTest::newRow("Argon2 + AES + CustomData") << KeePass2::KDF_ARGON2 << KeePass2::CIPHER_AES << true << kdbx4;
QTest::newRow("AES-KDF + AES + CustomData") << KeePass2::KDF_AES_KDBX4 << KeePass2::CIPHER_AES << true << kdbx4;
QTest::newRow("AES-KDF (legacy) + AES + CustomData") << KeePass2::KDF_AES_KDBX3 << KeePass2::CIPHER_AES << true << kdbx4;
QTest::newRow("Argon2 + ChaCha20") << KeePass2::KDF_ARGON2 << KeePass2::CIPHER_CHACHA20 << false << kdbx4;
QTest::newRow("AES-KDF + ChaCha20") << KeePass2::KDF_AES_KDBX4 << KeePass2::CIPHER_CHACHA20 << false << kdbx4;
QTest::newRow("AES-KDF (legacy) + ChaCha20") << KeePass2::KDF_AES_KDBX3 << KeePass2::CIPHER_CHACHA20 << false << kdbx3;
QTest::newRow("Argon2 + ChaCha20 + CustomData") << KeePass2::KDF_ARGON2 << KeePass2::CIPHER_CHACHA20 << true << kdbx4;
QTest::newRow("AES-KDF + ChaCha20 + CustomData") << KeePass2::KDF_AES_KDBX4 << KeePass2::CIPHER_CHACHA20 << true << kdbx4;
QTest::newRow("AES-KDF (legacy) + ChaCha20 + CustomData") << KeePass2::KDF_AES_KDBX3 << KeePass2::CIPHER_CHACHA20 << true << kdbx4;
QTest::newRow("Argon2 + Twofish") << KeePass2::KDF_ARGON2 << KeePass2::CIPHER_TWOFISH << false << kdbx4;
QTest::newRow("AES-KDF + Twofish") << KeePass2::KDF_AES_KDBX4 << KeePass2::CIPHER_TWOFISH << false << kdbx4;
QTest::newRow("AES-KDF (legacy) + Twofish") << KeePass2::KDF_AES_KDBX3 << KeePass2::CIPHER_TWOFISH << false << kdbx3;
QTest::newRow("Argon2 + Twofish + CustomData") << KeePass2::KDF_ARGON2 << KeePass2::CIPHER_TWOFISH << true << kdbx4;
QTest::newRow("AES-KDF + Twofish + CustomData") << KeePass2::KDF_AES_KDBX4 << KeePass2::CIPHER_TWOFISH << true << kdbx4;
QTest::newRow("AES-KDF (legacy) + Twofish + CustomData") << KeePass2::KDF_AES_KDBX3 << KeePass2::CIPHER_TWOFISH << true << kdbx4;
}
void TestKdbx4::testCustomData()
{
Database db;
// test public custom data
QVariantMap publicCustomData;
publicCustomData.insert("CD1", 123);
publicCustomData.insert("CD2", true);
publicCustomData.insert("CD3", "abcäöü");
publicCustomData.insert("CD4", QByteArray::fromHex("ababa123ff"));
db.setPublicCustomData(publicCustomData);
QCOMPARE(db.publicCustomData(), publicCustomData);
const QString customDataKey1 = "CD1";
const QString customDataKey2 = "CD2";
const QString customData1 = "abcäöü";
const QString customData2 = "Hello World";
const int dataSize = customDataKey1.toUtf8().size() + customDataKey1.toUtf8().size() +
customData1.toUtf8().size() + customData2.toUtf8().size();
// test custom database data
db.metadata()->customData()->set(customDataKey1, customData1);
db.metadata()->customData()->set(customDataKey2, customData2);
QCOMPARE(db.metadata()->customData()->size(), 2);
QCOMPARE(db.metadata()->customData()->dataSize(), dataSize);
// test custom root group data
Group* root = db.rootGroup();
root->customData()->set(customDataKey1, customData1);
root->customData()->set(customDataKey2, customData2);
QCOMPARE(root->customData()->size(), 2);
QCOMPARE(root->customData()->dataSize(), dataSize);
// test copied custom group data
auto* group = new Group();
group->setParent(root);
group->setUuid(Uuid::random());
group->customData()->copyDataFrom(root->customData());
QCOMPARE(*group->customData(), *root->customData());
// test copied custom entry data
auto* entry = new Entry();
entry->setGroup(group);
entry->setUuid(Uuid::random());
entry->customData()->copyDataFrom(group->customData());
QCOMPARE(*entry->customData(), *root->customData());
// test custom data deletion
entry->customData()->set("additional item", "foobar");
QCOMPARE(entry->customData()->size(), 3);
entry->customData()->remove("additional item");
QCOMPARE(entry->customData()->size(), 2);
QCOMPARE(entry->customData()->dataSize(), dataSize);
// test custom data on cloned groups
QScopedPointer<Group> clonedGroup(group->clone());
QCOMPARE(*clonedGroup->customData(), *group->customData());
// test custom data on cloned entries
QScopedPointer<Entry> clonedEntry(entry->clone(Entry::CloneNoFlags));
QCOMPARE(*clonedEntry->customData(), *entry->customData());
QBuffer buffer;
buffer.open(QBuffer::ReadWrite);
KeePass2Writer writer;
writer.writeDatabase(&buffer, &db);
// read buffer back
buffer.seek(0);
KeePass2Reader reader;
QSharedPointer<Database> newDb(reader.readDatabase(&buffer, CompositeKey()));
// test all custom data are read back successfully from KDBX
QCOMPARE(newDb->publicCustomData(), publicCustomData);
QCOMPARE(newDb->metadata()->customData()->value(customDataKey1), customData1);
QCOMPARE(newDb->metadata()->customData()->value(customDataKey2), customData2);
QCOMPARE(newDb->rootGroup()->customData()->value(customDataKey1), customData1);
QCOMPARE(newDb->rootGroup()->customData()->value(customDataKey2), customData2);
auto* newGroup = newDb->rootGroup()->children()[0];
QCOMPARE(newGroup->customData()->value(customDataKey1), customData1);
QCOMPARE(newGroup->customData()->value(customDataKey2), customData2);
auto* newEntry = newDb->rootGroup()->children()[0]->entries()[0];
QCOMPARE(newEntry->customData()->value(customDataKey1), customData1);
QCOMPARE(newEntry->customData()->value(customDataKey2), customData2);
}
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