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Upgrade to KDBX 4 if new 4.1 features are used

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This commit is contained in:
Janek Bevendorff 2021-11-13 18:09:43 +01:00
parent 835e31ac3c
commit c872e406ed
2 changed files with 24 additions and 3 deletions
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25
src/format/KeePass2Writer.cpp
View File

@ -18,6 +18,7 @@
#include <QFile>
#include "core/Group.h"
#include "core/Metadata.h"
#include "format/Kdbx3Writer.h"
#include "format/Kdbx4Writer.h"
#include "format/KeePass2Writer.h"
@ -42,7 +43,7 @@ bool KeePass2Writer::writeDatabase(const QString& filename, Database* db)
/**
* @return true if the database should upgrade to KDBX4.
*/
bool KeePass2Writer::implicitUpgradeNeeded(Database const* db) const
bool KeePass2Writer::implicitKDBXUpgradeNeeded(Database const* db)
{
if (db->kdf()->uuid() != KeePass2::KDF_AES_KDBX3) {
return false;
@ -56,11 +57,23 @@ bool KeePass2Writer::implicitUpgradeNeeded(Database const* db) const
if (group->customData() && !group->customData()->isEmpty()) {
return true;
}
if (!group->tags().isEmpty()) {
return true;
}
if (group->previousParentGroup()) {
return true;
}
for (const auto& entry : group->entries()) {
if (entry->customData() && !entry->customData()->isEmpty()) {
return true;
}
if (entry->excludeFromReports()) {
return true;
}
if (entry->previousParentGroup()) {
return true;
}
for (const auto& historyItem : entry->historyItems()) {
if (historyItem->customData() && !historyItem->customData()->isEmpty()) {
@ -70,6 +83,14 @@ bool KeePass2Writer::implicitUpgradeNeeded(Database const* db) const
}
}
const QList<QUuid> customIconsOrder = db->metadata()->customIconsOrder();
for (const QUuid& uuid : customIconsOrder) {
const auto& icon = db->metadata()->customIcon(uuid);
if (!icon.name.isEmpty() || icon.lastModified.isValid()) {
return true;
}
}
return false;
}
@ -85,7 +106,7 @@ bool KeePass2Writer::writeDatabase(QIODevice* device, Database* db)
m_error = false;
m_errorStr.clear();
bool upgradeNeeded = implicitUpgradeNeeded(db);
bool upgradeNeeded = implicitKDBXUpgradeNeeded(db);
if (upgradeNeeded) {
// We MUST re-transform the key, because challenge-response hashing has changed in KDBX 4.
// If we forget to re-transform, the database will be saved WITHOUT a challenge-response key component!

2
src/format/KeePass2Writer.h
View File

@ -33,6 +33,7 @@ public:
bool writeDatabase(const QString& filename, Database* db);
bool writeDatabase(QIODevice* device, Database* db);
void extractDatabase(Database* db, QByteArray& xmlOutput);
static bool implicitKDBXUpgradeNeeded(Database const* db);
QSharedPointer<KdbxWriter> writer() const;
quint32 version() const;
@ -42,7 +43,6 @@ public:
private:
void raiseError(const QString& errorMessage);
bool implicitUpgradeNeeded(Database const* db) const;
bool m_error = false;
QString m_errorStr = "";