first commit

kf6/CMakeLists.txt

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+cmake_minimum_required(VERSION 3.16)
+project(dolphin-smb-share-tab)
+
+set(CMAKE_CXX_STANDARD 17)
+set(CMAKE_CXX_STANDARD_REQUIRED ON)
+set(CMAKE_AUTOMOC ON)
+
+set(KF_MIN_VERSION "6.0.0")
+set(QT_MIN_VERSION "6.6.0")
+
+find_package(ECM ${KF_MIN_VERSION} CONFIG REQUIRED)
+set(CMAKE_MODULE_PATH ${ECM_MODULE_PATH})
+
+include(KDEInstallDirs)
+include(KDECMakeSettings)
+include(KDECompilerSettings NO_POLICY_SCOPE)
+
+find_package(Qt6 ${QT_MIN_VERSION} REQUIRED COMPONENTS Core Widgets)
+find_package(KF6 ${KF_MIN_VERSION} REQUIRED COMPONENTS CoreAddons I18n KIO)
+
+add_subdirectory(src)

kf6/build.sh

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+#!/bin/bash
+set -e
+
+cd "$(dirname "$0")"
+
+# Create build directory
+mkdir -p build
+cd build
+
+# Configure
+cmake .. -DCMAKE_INSTALL_PREFIX=/usr
+
+# Build
+make -j$(nproc)
+
+echo ""
+echo "Build successful!"
+echo "To install, run: cd build && sudo make install"
+echo "Then restart Dolphin: dolphin --replace &"

kf6/src/CMakeLists.txt

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+add_library(smbshareplugin MODULE
+    smbshareplugin.cpp
+)
+
+target_link_libraries(smbshareplugin
+    KF6::CoreAddons
+    KF6::I18n
+    KF6::KIOWidgets
+    Qt::Widgets
+)
+
+install(TARGETS smbshareplugin
+    DESTINATION ${KDE_INSTALL_PLUGINDIR}/kf6/propertiesdialog)

kf6/src/smbshareplugin.cpp

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+#include "smbshareplugin.h"
+
+#include <KPluginFactory>
+#include <KLocalizedString>
+
+#include <QFormLayout>
+#include <QGroupBox>
+#include <QLabel>
+#include <QProcess>
+#include <QScrollArea>
+#include <QVBoxLayout>
+
+K_PLUGIN_CLASS_WITH_JSON(SmbSharePlugin, "smbshareplugin.json")
+
+// Permission levels for the combo boxes
+static const QStringList permissionLabels = {
+    QStringLiteral("---"),
+    QStringLiteral("Read Only"),
+    QStringLiteral("Full Access"),
+    QStringLiteral("Deny")
+};
+
+// Map combo index to net usershare ACL character
+static QString aclForIndex(int index)
+{
+    switch (index) {
+    case 1: return QStringLiteral("R");
+    case 2: return QStringLiteral("F");
+    case 3: return QStringLiteral("D");
+    default: return QString();
+    }
+}
+
+// Map ACL character back to combo index
+static int indexForAcl(const QString &acl)
+{
+    if (acl == QLatin1String("R")) return 1;
+    if (acl == QLatin1String("F")) return 2;
+    if (acl == QLatin1String("D")) return 3;
+    return 0;
+}
+
+// Get list of local users (UID >= 1000, excluding nobody)
+static QStringList getLocalUsers()
+{
+    QStringList users;
+    QFile passwd(QStringLiteral("/etc/passwd"));
+    if (passwd.open(QIODevice::ReadOnly | QIODevice::Text)) {
+        while (!passwd.atEnd()) {
+            const QString line = QString::fromLocal8Bit(passwd.readLine()).trimmed();
+            if (line.isEmpty() || line.startsWith(QLatin1Char('#')))
+                continue;
+            const QStringList fields = line.split(QLatin1Char(':'));
+            if (fields.size() < 7)
+                continue;
+            const int uid = fields[2].toInt();
+            const QString shell = fields[6];
+            if (uid >= 1000 && uid < 65534
+                && !shell.endsWith(QLatin1String("/nologin"))
+                && !shell.endsWith(QLatin1String("/false"))) {
+                users << fields[0];
+            }
+        }
+    }
+    return users;
+}
+
+SmbSharePlugin::SmbSharePlugin(QObject *parent, const QVariantList &args)
+    : KPropertiesDialogPlugin(qobject_cast<KPropertiesDialog *>(parent))
+{
+    Q_UNUSED(args)
+
+    m_path = properties->item().localPath();
+    if (m_path.isEmpty())
+        return;
+
+    // Default share name = folder name
+    m_defaultShareName = m_path.section(QLatin1Char('/'), -1);
+
+    // --- Build the UI ---
+    m_page = new QWidget();
+    auto *mainLayout = new QVBoxLayout(m_page);
+
+    // Share checkbox
+    m_shareCheckBox = new QCheckBox(
+        i18n("Share this folder with other computers on the local network"));
+    mainLayout->addWidget(m_shareCheckBox);
+
+    // Share name
+    auto *nameLayout = new QFormLayout();
+    m_nameEdit = new QLineEdit(m_defaultShareName);
+    nameLayout->addRow(i18n("Name:"), m_nameEdit);
+    mainLayout->addLayout(nameLayout);
+
+    // Guest access
+    m_guestCheckBox = new QCheckBox(i18n("Allow Guests"));
+    mainLayout->addWidget(m_guestCheckBox);
+
+    // User permissions section
+    auto *usersGroup = new QGroupBox();
+    usersGroup->setFlat(true);
+    auto *usersLayout = new QVBoxLayout(usersGroup);
+
+    // Scroll area for user list
+    auto *scrollArea = new QScrollArea();
+    scrollArea->setWidgetResizable(true);
+    scrollArea->setFrameShape(QFrame::NoFrame);
+
+    m_usersWidget = new QWidget();
+    auto *usersFormLayout = new QFormLayout(m_usersWidget);
+    usersFormLayout->setContentsMargins(0, 0, 0, 0);
+
+    // Add "Everyone" entry first
+    {
+        auto *combo = new QComboBox();
+        combo->addItems(permissionLabels);
+        combo->setCurrentIndex(1); // Default: Read Only
+        usersFormLayout->addRow(QStringLiteral("Everyone"), combo);
+        m_userPerms.append({QStringLiteral("Everyone"), combo});
+        connect(combo, QOverload<int>::of(&QComboBox::currentIndexChanged),
+                this, [this]() { setDirty(true); });
+    }
+
+    // Add local users
+    const QStringList users = getLocalUsers();
+    for (const QString &user : users) {
+        auto *combo = new QComboBox();
+        combo->addItems(permissionLabels);
+        combo->setCurrentIndex(0); // Default: ---
+        usersFormLayout->addRow(user, combo);
+        m_userPerms.append({user, combo});
+        connect(combo, QOverload<int>::of(&QComboBox::currentIndexChanged),
+                this, [this]() { setDirty(true); });
+    }
+
+    scrollArea->setWidget(m_usersWidget);
+    usersLayout->addWidget(scrollArea);
+    mainLayout->addWidget(usersGroup);
+
+    mainLayout->addStretch();
+
+    // Connect signals
+    connect(m_shareCheckBox, &QCheckBox::toggled,
+            this, &SmbSharePlugin::onShareToggled);
+    connect(m_nameEdit, &QLineEdit::textChanged,
+            this, [this]() { setDirty(true); });
+    connect(m_guestCheckBox, &QCheckBox::toggled,
+            this, [this]() { setDirty(true); });
+
+    // Load existing share info
+    loadCurrentShare();
+
+    // Initial UI state
+    onShareToggled(m_shareCheckBox->isChecked());
+
+    // Add the page as a tab
+    properties->addPage(m_page, i18n("Share"));
+}
+
+void SmbSharePlugin::onShareToggled(bool checked)
+{
+    m_nameEdit->setEnabled(checked);
+    m_guestCheckBox->setEnabled(checked);
+    m_usersWidget->setEnabled(checked);
+    setDirty(true);
+}
+
+void SmbSharePlugin::loadCurrentShare()
+{
+    // Run: net usershare info --long
+    QProcess proc;
+    proc.start(QStringLiteral("net"),
+               {QStringLiteral("usershare"), QStringLiteral("info"),
+                QStringLiteral("--long")});
+    proc.waitForFinished(5000);
+
+    const QString output = QString::fromLocal8Bit(proc.readAllStandardOutput());
+    if (output.isEmpty())
+        return;
+
+    // Parse the output to find a share matching our path
+    // Format:
+    // [sharename]
+    // path=/some/path
+    // comment=
+    // usershare_acl=Everyone:R,user:F
+    // guest_ok=n
+    QString currentSection;
+    QString sharePath;
+    QString shareAcl;
+    QString guestOk;
+
+    const QStringList lines = output.split(QLatin1Char('\n'));
+    for (const QString &line : lines) {
+        if (line.startsWith(QLatin1Char('['))) {
+            // If we had a previous section that matched, break
+            if (!currentSection.isEmpty() && sharePath == m_path)
+                break;
+
+            // New section
+            currentSection = line.mid(1, line.indexOf(QLatin1Char(']')) - 1);
+            sharePath.clear();
+            shareAcl.clear();
+            guestOk.clear();
+        } else if (line.startsWith(QLatin1String("path="))) {
+            sharePath = line.mid(5);
+        } else if (line.startsWith(QLatin1String("usershare_acl="))) {
+            shareAcl = line.mid(14);
+        } else if (line.startsWith(QLatin1String("guest_ok="))) {
+            guestOk = line.mid(9);
+        }
+    }
+
+    // Check if last section matched
+    if (sharePath != m_path)
+        return;
+
+    // Found an existing share!
+    m_isShared = true;
+    m_originalShareName = currentSection;
+    m_shareCheckBox->setChecked(true);
+    m_nameEdit->setText(currentSection);
+    m_guestCheckBox->setChecked(guestOk == QLatin1String("y"));
+
+    // Parse ACL: "Everyone:R,username:F"
+    const QStringList aclEntries = shareAcl.split(QLatin1Char(','));
+    for (const QString &entry : aclEntries) {
+        const int colonPos = entry.lastIndexOf(QLatin1Char(':'));
+        if (colonPos < 0)
+            continue;
+        const QString name = entry.left(colonPos);
+        const QString perm = entry.mid(colonPos + 1);
+
+        for (auto &up : m_userPerms) {
+            if (up.username.compare(name, Qt::CaseInsensitive) == 0) {
+                up.combo->setCurrentIndex(indexForAcl(perm));
+                break;
+            }
+        }
+    }
+
+    // Reset dirty state after loading
+    setDirty(false);
+}
+
+void SmbSharePlugin::applyChanges()
+{
+    const bool wantShared = m_shareCheckBox->isChecked();
+    const QString shareName = m_nameEdit->text().trimmed();
+
+    // If unchecked and was previously shared, delete the share
+    if (!wantShared && m_isShared) {
+        QProcess proc;
+        proc.start(QStringLiteral("net"),
+                   {QStringLiteral("usershare"), QStringLiteral("delete"),
+                    m_originalShareName});
+        proc.waitForFinished(5000);
+        m_isShared = false;
+        m_originalShareName.clear();
+        return;
+    }
+
+    if (!wantShared)
+        return;
+
+    // If name changed, delete old share first
+    if (m_isShared && !m_originalShareName.isEmpty()
+        && m_originalShareName != shareName) {
+        QProcess proc;
+        proc.start(QStringLiteral("net"),
+                   {QStringLiteral("usershare"), QStringLiteral("delete"),
+                    m_originalShareName});
+        proc.waitForFinished(5000);
+    }
+
+    // Build ACL string
+    QStringList aclParts;
+    for (const auto &up : m_userPerms) {
+        const QString acl = aclForIndex(up.combo->currentIndex());
+        if (!acl.isEmpty()) {
+            aclParts << up.username + QLatin1Char(':') + acl;
+        }
+    }
+
+    // Default ACL if nothing selected
+    if (aclParts.isEmpty()) {
+        aclParts << QStringLiteral("Everyone:R");
+    }
+
+    const QString aclString = aclParts.join(QLatin1Char(','));
+    const QString guestOk = m_guestCheckBox->isChecked()
+                                ? QStringLiteral("guest_ok=y")
+                                : QStringLiteral("guest_ok=n");
+
+    // net usershare add <name> <path> <comment> <acl> <guest_ok>
+    QProcess proc;
+    proc.start(QStringLiteral("net"),
+               {QStringLiteral("usershare"), QStringLiteral("add"),
+                shareName, m_path, QString(), aclString, guestOk});
+    proc.waitForFinished(5000);
+
+    if (proc.exitCode() == 0) {
+        m_isShared = true;
+        m_originalShareName = shareName;
+    }
+}
+
+#include "smbshareplugin.moc"

kf6/src/smbshareplugin.h

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+#ifndef SMBSHAREPLUGIN_H
+#define SMBSHAREPLUGIN_H
+
+#include <KPropertiesDialog>
+#include <QCheckBox>
+#include <QComboBox>
+#include <QLineEdit>
+#include <QWidget>
+
+struct UserPermission {
+    QString username;
+    QComboBox *combo;
+};
+
+class SmbSharePlugin : public KPropertiesDialogPlugin
+{
+    Q_OBJECT
+public:
+    SmbSharePlugin(QObject *parent, const QVariantList &args);
+    void applyChanges() override;
+
+private:
+    void loadCurrentShare();
+    void populateUsers();
+    void onShareToggled(bool checked);
+
+    QString m_path;
+    QString m_defaultShareName;
+
+    QWidget *m_page = nullptr;
+    QCheckBox *m_shareCheckBox = nullptr;
+    QLineEdit *m_nameEdit = nullptr;
+    QCheckBox *m_guestCheckBox = nullptr;
+    QWidget *m_usersWidget = nullptr;
+
+    QVector<UserPermission> m_userPerms;
+
+    bool m_isShared = false;
+    QString m_originalShareName;
+};
+
+#endif

kf6/src/smbshareplugin.json

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+{
+    "KPlugin": {
+        "Name": "SMB Share",
+        "Name[de]": "SMB-Freigabe",
+        "Description": "Configure SMB/Samba folder sharing",
+        "Description[de]": "SMB/Samba-Ordnerfreigabe konfigurieren",
+        "Icon": "network-server",
+        "MimeTypes": [
+            "inode/directory"
+        ]
+    },
+    "X-KDE-Protocols": [
+        "file"
+    ]
+}