diff --git a/src/view/pgpcardwidget.cpp b/src/view/pgpcardwidget.cpp index 15eaff856..9e112c7ec 100644 --- a/src/view/pgpcardwidget.cpp +++ b/src/view/pgpcardwidget.cpp @@ -1,502 +1,503 @@ /* view/pgpcardwiget.cpp This file is part of Kleopatra, the KDE keymanager SPDX-FileCopyrightText: 2017 Bundesamt für Sicherheit in der Informationstechnik SPDX-FileContributor: Intevation GmbH SPDX-License-Identifier: GPL-2.0-or-later */ #include "pgpcardwidget.h" #include "kleopatra_debug.h" #include "commands/changepincommand.h" #include "smartcard/openpgpcard.h" #include "smartcard/readerstatus.h" #include "dialogs/gencardkeydialog.h" #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include #include using namespace Kleo; using namespace Kleo::Commands; using namespace Kleo::SmartCard; namespace { class GenKeyThread: public QThread { Q_OBJECT public: explicit GenKeyThread(const GenCardKeyDialog::KeyParams ¶ms, const std::string &serial): mSerial(serial), mParams(params) { } GpgME::Error error() { return mErr; } std::string bkpFile() { return mBkpFile; } protected: void run() override { GpgME::GpgGenCardKeyInteractor *ei = new GpgME::GpgGenCardKeyInteractor(mSerial); ei->setAlgo(GpgME::GpgGenCardKeyInteractor::RSA); ei->setKeySize(QByteArray::fromStdString(mParams.algorithm).toInt()); ei->setNameUtf8(mParams.name.toStdString()); ei->setEmailUtf8(mParams.email.toStdString()); ei->setDoBackup(mParams.backup); const auto ctx = std::shared_ptr (GpgME::Context::createForProtocol(GpgME::OpenPGP)); QGpgME::QByteArrayDataProvider dp; GpgME::Data data(&dp); mErr = ctx->cardEdit(GpgME::Key(), std::unique_ptr (ei), data); mBkpFile = ei->backupFileName(); } private: GpgME::Error mErr; std::string mSerial; GenCardKeyDialog::KeyParams mParams; std::string mBkpFile; }; } // Namespace PGPCardWidget::PGPCardWidget(QWidget *parent): QWidget(parent), mSerialNumber(new QLabel(this)), mCardHolderLabel(new QLabel(this)), mVersionLabel(new QLabel(this)), mSigningKey(new QLabel(this)), mEncryptionKey(new QLabel(this)), mAuthKey(new QLabel(this)), mUrlLabel(new QLabel(this)), mCardIsEmpty(false) { auto grid = new QGridLayout; int row = 0; // Set up the scroll are auto area = new QScrollArea; area->setFrameShape(QFrame::NoFrame); area->setWidgetResizable(true); auto areaWidget = new QWidget; auto areaVLay = new QVBoxLayout(areaWidget); areaVLay->addLayout(grid); areaVLay->addStretch(1); area->setWidget(areaWidget); auto myLayout = new QVBoxLayout(this); myLayout->setContentsMargins(0, 0, 0, 0); myLayout->addWidget(area); // Version and Serialnumber grid->addWidget(mVersionLabel, row++, 0, 1, 2); mVersionLabel->setTextInteractionFlags(Qt::TextBrowserInteraction); grid->addWidget(new QLabel(i18n("Serial number:")), row, 0); grid->addWidget(mSerialNumber, row++, 1); mSerialNumber->setTextInteractionFlags(Qt::TextBrowserInteraction); // Cardholder Row grid->addWidget(new QLabel(i18nc("The owner of a smartcard. GnuPG refers to this as cardholder.", "Cardholder:")), row, 0); grid->addWidget(mCardHolderLabel, row, 1); mCardHolderLabel->setTextInteractionFlags(Qt::TextBrowserInteraction); auto nameButtton = new QPushButton; nameButtton->setIcon(QIcon::fromTheme(QStringLiteral("cell_edit"))); nameButtton->setToolTip(i18n("Change")); grid->addWidget(nameButtton, row++, 2); connect(nameButtton, &QPushButton::clicked, this, &PGPCardWidget::changeNameRequested); // URL Row grid->addWidget(new QLabel(i18nc("The URL under which a public key that " "corresponds to a smartcard can be downloaded", "Pubkey URL:")), row, 0); grid->addWidget(mUrlLabel, row, 1); mUrlLabel->setTextInteractionFlags(Qt::TextBrowserInteraction); auto urlButtton = new QPushButton; urlButtton->setIcon(QIcon::fromTheme(QStringLiteral("cell_edit"))); urlButtton->setToolTip(i18n("Change")); grid->addWidget(urlButtton, row++, 2); connect(urlButtton, &QPushButton::clicked, this, &PGPCardWidget::changeUrlRequested); // The keys auto line1 = new QFrame(); line1->setFrameShape(QFrame::HLine); grid->addWidget(line1, row++, 0, 1, 4); grid->addWidget(new QLabel(QStringLiteral("%1").arg(i18n("Keys:"))), row++, 0); grid->addWidget(new QLabel(i18n("Signature:")), row, 0); grid->addWidget(mSigningKey, row++, 1); mSigningKey->setTextInteractionFlags(Qt::TextBrowserInteraction); grid->addWidget(new QLabel(i18n("Encryption:")), row, 0); grid->addWidget(mEncryptionKey, row++, 1); mEncryptionKey->setTextInteractionFlags(Qt::TextBrowserInteraction); grid->addWidget(new QLabel(i18n("Authentication:")), row, 0); grid->addWidget(mAuthKey, row++, 1); mAuthKey->setTextInteractionFlags(Qt::TextBrowserInteraction); auto line2 = new QFrame(); line2->setFrameShape(QFrame::HLine); grid->addWidget(line2, row++, 0, 1, 4); grid->addWidget(new QLabel(QStringLiteral("%1").arg(i18n("Actions:"))), row++, 0); auto actionLayout = new QHBoxLayout; auto generateButton = new QPushButton(i18n("Generate new Keys")); generateButton->setToolTip(i18n("Create a new primary key and generate subkeys on the card.")); actionLayout->addWidget(generateButton); connect(generateButton, &QPushButton::clicked, this, &PGPCardWidget::genkeyRequested); auto pinButtton = new QPushButton(i18n("Change PIN")); pinButtton->setToolTip(i18n("Change the PIN required to unblock the smartcard.")); actionLayout->addWidget(pinButtton); connect(pinButtton, &QPushButton::clicked, this, [this] () { doChangePin(OpenPGPCard::pinKeyRef()); }); auto pukButton = new QPushButton(i18n("Change Admin PIN")); pukButton->setToolTip(i18n("Change the PIN required to unlock the smartcard.")); actionLayout->addWidget(pukButton); connect(pukButton, &QPushButton::clicked, this, [this] () { doChangePin(OpenPGPCard::adminPinKeyRef()); }); auto resetCodeButton = new QPushButton(i18n("Change Reset Code")); pukButton->setToolTip(i18n("Change the PIN required to reset the smartcard to an empty state.")); actionLayout->addWidget(resetCodeButton); connect(resetCodeButton, &QPushButton::clicked, this, [this] () { doChangePin(OpenPGPCard::resetCodeKeyRef()); }); actionLayout->addStretch(-1); grid->addLayout(actionLayout, row++, 0, 1, 4); grid->setColumnStretch(4, -1); } void PGPCardWidget::setCard(const OpenPGPCard *card) { const QString version = card->displayAppVersion(); mIs21 = card->appVersion() >= 0x0201; const QString manufacturer = QString::fromStdString(card->manufacturer()); const bool manufacturerIsUnknown = manufacturer.isEmpty() || manufacturer == QLatin1String("unknown"); mVersionLabel->setText(manufacturerIsUnknown ? i18nc("Placeholder is a version number", "Unknown OpenPGP v%1 card", version) : i18nc("First placeholder is manufacturer, second placeholder is a version number", "%1 OpenPGP v%2 card", manufacturer, version)); mSerialNumber->setText(card->displaySerialNumber()); mRealSerial = card->serialNumber(); const auto holder = card->cardHolder(); const auto url = QString::fromStdString(card->pubkeyUrl()); mCardHolderLabel->setText(holder.isEmpty() ? i18n("not set") : holder); mUrl = url; mUrlLabel->setText(url.isEmpty() ? i18n("not set") : QStringLiteral("%1").arg(url.toHtmlEscaped())); mUrlLabel->setOpenExternalLinks(true); updateKey(mSigningKey, card->sigFpr()); updateKey(mEncryptionKey, card->encFpr()); updateKey(mAuthKey, card->authFpr()); mCardIsEmpty = card->authFpr().empty() && card->sigFpr().empty() && card->encFpr().empty(); } void PGPCardWidget::doChangePin(const std::string &keyRef) { auto cmd = new ChangePinCommand(mRealSerial, OpenPGPCard::AppName, this); this->setEnabled(false); connect(cmd, &ChangePinCommand::finished, this, [this]() { this->setEnabled(true); }); cmd->setKeyRef(keyRef); cmd->start(); } void PGPCardWidget::doGenKey(GenCardKeyDialog *dlg) { if (!(engineInfo(GpgME::GpgEngine).engineVersion() < "2.3.0")) { GpgME::Error err; std::unique_ptr c = GpgME::Context::createForEngine(GpgME::AssuanEngine, &err); if (err.code() == GPG_ERR_NOT_SUPPORTED) { return; } auto assuanContext = std::shared_ptr(c.release()); const auto serialNumber = ReaderStatus::switchCard(assuanContext, mRealSerial, err); if (err || serialNumber != mRealSerial) { qCWarning(KLEOPATRA_LOG) << "Switching to card" << QString::fromStdString(mRealSerial) << "failed"; return; } const auto appName = ReaderStatus::switchApp(assuanContext, mRealSerial, OpenPGPCard::AppName, err); if (err || appName != OpenPGPCard::AppName) { qCWarning(KLEOPATRA_LOG) << "Switching card to" << QString::fromStdString(OpenPGPCard::AppName) << "app failed"; return; } } const auto params = dlg->getKeyParams(); auto progress = new QProgressDialog(this, Qt::CustomizeWindowHint | Qt::WindowTitleHint | Qt::Dialog); progress->setAutoClose(true); progress->setMinimumDuration(0); progress->setMaximum(0); progress->setMinimum(0); progress->setModal(true); progress->setCancelButton(nullptr); progress->setWindowTitle(i18nc("@title:window", "Generating Keys")); progress->setLabel(new QLabel(i18n("This may take several minutes..."))); GenKeyThread *workerThread = new GenKeyThread(params, mRealSerial); connect(workerThread, &QThread::finished, this, [this, workerThread, progress] { progress->accept(); progress->deleteLater(); genKeyDone(workerThread->error(), workerThread->bkpFile()); delete workerThread; }); workerThread->start(); progress->exec(); } void PGPCardWidget::genKeyDone(const GpgME::Error &err, const std::string &backup) { if (err) { KMessageBox::error(this, i18nc("@info", "Failed to generate new key: %1", QString::fromLatin1(err.asString())), i18nc("@title", "Error")); return; } if (err.isCanceled()) { return; } if (!backup.empty()) { const auto bkpFile = QString::fromStdString(backup); QFileInfo fi(bkpFile); const auto target = QFileDialog::getSaveFileName(this, i18n("Save backup of encryption key"), fi.fileName(), QStringLiteral("%1 (*.gpg)").arg(i18n("Backup Key"))); if (!target.isEmpty() && !QFile::copy(bkpFile, target)) { KMessageBox::error(this, i18nc("@info", "Failed to move backup. The backup key is still stored under: %1", bkpFile), i18nc("@title", "Error")); } else if (!target.isEmpty()) { QFile::remove(bkpFile); } } KMessageBox::information(this, i18nc("@info", "Successfully generated a new key for this card."), i18nc("@title", "Success")); + ReaderStatus::mutableInstance()->updateStatus(); } void PGPCardWidget::genkeyRequested() { if (!mCardIsEmpty) { auto ret = KMessageBox::warningContinueCancel(this, i18n("The existing keys on this card will be deleted " "and replaced by new keys.") + QStringLiteral("

") + i18n("It will no longer be possible to decrypt past communication " "encrypted for the existing key."), i18n("Secret Key Deletion"), KStandardGuiItem::guiItem(KStandardGuiItem::Delete), KStandardGuiItem::cancel(), QString(), KMessageBox::Notify | KMessageBox::Dangerous); if (ret != KMessageBox::Continue) { return; } } GenCardKeyDialog *dlg = new GenCardKeyDialog(GenCardKeyDialog::AllKeyAttributes, this); std::vector> algos = { { "1024", QStringLiteral("RSA 1024") }, { "2048", QStringLiteral("RSA 2048") }, { "3072", QStringLiteral("RSA 3072") } }; // There is probably a better way to check for capabilities if (mIs21) { algos.push_back({"4096", QStringLiteral("RSA 4096")}); } dlg->setSupportedAlgorithms(algos, "2048"); connect(dlg, &QDialog::accepted, this, [this, dlg] () { doGenKey(dlg); dlg->deleteLater(); }); dlg->setModal(true); dlg->show(); } void PGPCardWidget::changeNameRequested() { QString text = mCardHolderLabel->text(); while (true) { bool ok = false; text = QInputDialog::getText(this, i18n("Change cardholder"), i18n("New name:"), QLineEdit::Normal, text, &ok, Qt::WindowFlags(), Qt::ImhLatinOnly); if (!ok) { return; } // Some additional restrictions imposed by gnupg if (text.contains(QLatin1Char('<'))) { KMessageBox::error(this, i18nc("@info", "The \"<\" character may not be used."), i18nc("@title", "Error")); continue; } if (text.contains(QLatin1String(" "))) { KMessageBox::error(this, i18nc("@info", "Double spaces are not allowed"), i18nc("@title", "Error")); continue; } if (text.size() > 38) { KMessageBox::error(this, i18nc("@info", "The size of the name may not exceed 38 characters."), i18nc("@title", "Error")); } break; } auto parts = text.split(QLatin1Char(' ')); const auto lastName = parts.takeLast(); const QString formatted = lastName + QStringLiteral("<<") + parts.join(QLatin1Char('<')); const auto pgpCard = ReaderStatus::instance()->getCard(mRealSerial); if (!pgpCard) { KMessageBox::error(this, i18n("Failed to find the OpenPGP card with the serial number: %1", QString::fromStdString(mRealSerial))); return; } const QByteArray command = QByteArrayLiteral("SCD SETATTR DISP-NAME ") + formatted.toUtf8(); ReaderStatus::mutableInstance()->startSimpleTransaction(pgpCard, command, this, "changeNameResult"); } void PGPCardWidget::changeNameResult(const GpgME::Error &err) { if (err) { KMessageBox::error(this, i18nc("@info", "Name change failed: %1", QString::fromLatin1(err.asString())), i18nc("@title", "Error")); return; } if (!err.isCanceled()) { KMessageBox::information(this, i18nc("@info", "Name successfully changed."), i18nc("@title", "Success")); ReaderStatus::mutableInstance()->updateStatus(); } } void PGPCardWidget::changeUrlRequested() { QString text = mUrl; while (true) { bool ok = false; text = QInputDialog::getText(this, i18n("Change the URL where the pubkey can be found"), i18n("New pubkey URL:"), QLineEdit::Normal, text, &ok, Qt::WindowFlags(), Qt::ImhLatinOnly); if (!ok) { return; } // Some additional restrictions imposed by gnupg if (text.size() > 254) { KMessageBox::error(this, i18nc("@info", "The size of the URL may not exceed 254 characters."), i18nc("@title", "Error")); } break; } const auto pgpCard = ReaderStatus::instance()->getCard(mRealSerial); if (!pgpCard) { KMessageBox::error(this, i18n("Failed to find the OpenPGP card with the serial number: %1", QString::fromStdString(mRealSerial))); return; } const QByteArray command = QByteArrayLiteral("SCD SETATTR PUBKEY-URL ") + text.toUtf8(); ReaderStatus::mutableInstance()->startSimpleTransaction(pgpCard, command, this, "changeUrlResult"); } void PGPCardWidget::changeUrlResult(const GpgME::Error &err) { if (err) { KMessageBox::error(this, i18nc("@info", "URL change failed: %1", QString::fromLatin1(err.asString())), i18nc("@title", "Error")); return; } if (!err.isCanceled()) { KMessageBox::information(this, i18nc("@info", "URL successfully changed."), i18nc("@title", "Success")); ReaderStatus::mutableInstance()->updateStatus(); } } void PGPCardWidget::updateKey(QLabel *label, const std::string &fpr) { label->setText(QString::fromStdString(fpr)); if (fpr.empty()) { label->setText(i18n("Slot empty")); return; } std::vector vec; std::string keyid = fpr; keyid.erase(0, keyid.size() - 16); vec.push_back(keyid); const auto subkeys = KeyCache::instance()->findSubkeysByKeyID(vec); if (subkeys.empty() || subkeys[0].isNull()) { label->setToolTip(i18n("Public key not found.")); return; } QStringList toolTips; toolTips.reserve(subkeys.size()); for (const auto &sub: subkeys) { // Yep you can have one subkey associated with multiple // primary keys. toolTips << Formatting::toolTip(sub.parent(), Formatting::Validity | Formatting::StorageLocation | Formatting::ExpiryDates | Formatting::UserIDs | Formatting::Fingerprint); } label->setToolTip(toolTips.join(QLatin1String("
"))); return; } #include "pgpcardwidget.moc"