[partition] Check minimum password length for zfs encryption

src/modules/partition/gui/ChoicePage.cpp

@@ -464,6 +464,18 @@ ChoicePage::continueApplyDeviceChoice()
 void
 ChoicePage::onActionChanged()
 {
+    if ( m_enableEncryptionWidget )
+    {
+        if ( m_config->installChoice() == InstallChoice::Erase && m_eraseFsTypesChoiceComboBox )
+        {
+            m_encryptWidget->setFilesystem( m_eraseFsTypesChoiceComboBox->currentText() );
+        }
+        else if ( m_config->installChoice() == InstallChoice::Replace && m_replaceFsTypesChoiceComboBox )
+        {
+            m_encryptWidget->setFilesystem( m_replaceFsTypesChoiceComboBox->currentText() );
+        }
+    }
+
     Device* currd = selectedDevice();
     if ( currd )
     {

src/modules/partition/gui/EncryptWidget.cpp

@@ -16,6 +16,9 @@
 #include "Branding.h"
 #include "utils/CalamaresUtilsGui.h"
 #include "utils/Retranslator.h"
+#include <kpmcore/fs/filesystem.h>
+
+constexpr uint ZFS_MIN_LENGTH = 8;
 
 /** @brief Does this system support whole-disk encryption?
  *
@@ -150,11 +153,17 @@ EncryptWidget::updateState()
         QString p1 = m_ui->m_passphraseLineEdit->text();
         QString p2 = m_ui->m_confirmLineEdit->text();
 
+
         if ( p1.isEmpty() && p2.isEmpty() )
         {
             applyPixmap( m_ui->m_iconLabel, CalamaresUtils::StatusWarning );
             m_ui->m_iconLabel->setToolTip( tr( "Please enter the same passphrase in both boxes." ) );
         }
+        else if ( FileSystem::typeForName( m_filesystem ) == FileSystem::Zfs && p1.length() < ZFS_MIN_LENGTH )
+        {
+            applyPixmap( m_ui->m_iconLabel, CalamaresUtils::StatusError );
+            m_ui->m_iconLabel->setToolTip( tr( "Password must be a minimum of %1 characters" ).arg( ZFS_MIN_LENGTH ) );
+        }
         else if ( p1 == p2 )
         {
             applyPixmap( m_ui->m_iconLabel, CalamaresUtils::StatusOk );
@@ -201,3 +210,10 @@ EncryptWidget::onCheckBoxStateChanged( int checked )
 
     updateState();
 }
+
+void
+EncryptWidget::setFilesystem( const QString& fs )
+{
+    m_filesystem = fs;
+    updateState();
+}

src/modules/partition/gui/EncryptWidget.h

@@ -38,6 +38,12 @@ public:
     Encryption state() const;
     void setText( const QString& text );
 
+    /**
+     * @brief setFilesystem sets the filesystem name used for password validation
+     * @param fs A QString containing the name of the filesystem
+     */
+    void setFilesystem( const QString& fs );
+
     QString passphrase() const;
 
     void retranslate();
@@ -52,6 +58,8 @@ private:
 
     Ui::EncryptWidget* m_ui;
     Encryption m_state;
+
+    QString m_filesystem;
 };
 
 #endif  // ENCRYPTWIDGET_H