diff --git a/src/view/pgpcardwidget.cpp b/src/view/pgpcardwidget.cpp index 5312a29af..094881e76 100644 --- a/src/view/pgpcardwidget.cpp +++ b/src/view/pgpcardwidget.cpp @@ -1,574 +1,578 @@ /* 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-FileCopyrightText: 2020, 2022 g10 Code GmbH SPDX-FileContributor: Ingo Klöcker SPDX-License-Identifier: GPL-2.0-or-later */ #include #include "pgpcardwidget.h" #include "openpgpkeycardwidget.h" #include "kleopatra_debug.h" #include "commands/createcsrforcardkeycommand.h" #include "commands/createopenpgpkeyfromcardkeyscommand.h" #include "commands/openpgpgeneratecardkeycommand.h" #include "smartcard/algorithminfo.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 #include using namespace Kleo; using namespace Kleo::Commands; using namespace Kleo::SmartCard; static QDebug operator<<(QDebug s, const std::string &string) { return s << QString::fromStdString(string); } 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 { // the index of the curves in this list has to match the enum values // minus 1 of GpgGenCardKeyInteractor::Curve static const std::vector curves = { "curve25519", #if GPGMEPP_SUPPORTS_SET_CURVE "curve448", "nistp256", "nistp384", "nistp521", "brainpoolP256r1", "brainpoolP384r1", "brainpoolP512r1", "secp256k1", // keep it, even if we don't support it in Kleopatra #endif }; auto ei = std::make_unique(mSerial); if (mParams.algorithm.starts_with("rsa")) { ei->setAlgo(GpgME::GpgGenCardKeyInteractor::RSA); ei->setKeySize(QByteArray::fromStdString(mParams.algorithm.substr(3)).toInt()); } else { ei->setAlgo(GpgME::GpgGenCardKeyInteractor::ECC); const auto curveIt = std::find(curves.cbegin(), curves.cend(), mParams.algorithm); if (curveIt != curves.end()) { #if GPGMEPP_SUPPORTS_SET_CURVE ei->setCurve(static_cast(curveIt - curves.cbegin() + 1)); #endif } else { qCWarning(KLEOPATRA_LOG) << this << __func__ << "Invalid curve name:" << mParams.algorithm; mErr = GpgME::Error::fromCode(GPG_ERR_INV_VALUE); return; } } 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)); ctx->setFlag("extended-edit", "1"); // we want to be able to select all curves QGpgME::QByteArrayDataProvider dp; GpgME::Data data(&dp); mErr = ctx->cardEdit(GpgME::Key(), std::move(ei), data); mBkpFile = static_cast(ctx->lastCardEditInteractor())->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)), mUrlLabel(new QLabel(this)), mCardIsEmpty(false) { // Set up the scroll area auto myLayout = new QVBoxLayout(this); myLayout->setContentsMargins(0, 0, 0, 0); auto area = new QScrollArea; area->setFrameShape(QFrame::NoFrame); area->setWidgetResizable(true); myLayout->addWidget(area); auto areaWidget = new QWidget; area->setWidget(areaWidget); auto areaVLay = new QVBoxLayout(areaWidget); auto cardInfoGrid = new QGridLayout; { int row = 0; // Version and Serialnumber cardInfoGrid->addWidget(mVersionLabel, row, 0, 1, 2); mVersionLabel->setTextInteractionFlags(Qt::TextBrowserInteraction); row++; cardInfoGrid->addWidget(new QLabel(i18n("Serial number:")), row, 0); cardInfoGrid->addWidget(mSerialNumber, row, 1); mSerialNumber->setTextInteractionFlags(Qt::TextBrowserInteraction); row++; // Cardholder Row cardInfoGrid->addWidget(new QLabel(i18nc("The owner of a smartcard. GnuPG refers to this as cardholder.", "Cardholder:")), row, 0); cardInfoGrid->addWidget(mCardHolderLabel, row, 1); mCardHolderLabel->setTextInteractionFlags(Qt::TextBrowserInteraction); { auto button = new QPushButton; button->setIcon(QIcon::fromTheme(QStringLiteral("cell_edit"))); button->setAccessibleName(i18nc("@action:button", "Edit")); button->setToolTip(i18n("Change")); cardInfoGrid->addWidget(button, row, 2); connect(button, &QPushButton::clicked, this, &PGPCardWidget::changeNameRequested); } row++; // URL Row cardInfoGrid->addWidget(new QLabel(i18nc("The URL under which a public key that " "corresponds to a smartcard can be downloaded", "Pubkey URL:")), row, 0); cardInfoGrid->addWidget(mUrlLabel, row, 1); mUrlLabel->setTextInteractionFlags(Qt::TextBrowserInteraction); { auto button = new QPushButton; button->setIcon(QIcon::fromTheme(QStringLiteral("cell_edit"))); button->setAccessibleName(i18nc("@action:button", "Edit")); button->setToolTip(i18n("Change")); cardInfoGrid->addWidget(button, row, 2); connect(button, &QPushButton::clicked, this, &PGPCardWidget::changeUrlRequested); } cardInfoGrid->setColumnStretch(cardInfoGrid->columnCount(), 1); } areaVLay->addLayout(cardInfoGrid); areaVLay->addWidget(new KSeparator(Qt::Horizontal)); // The keys areaVLay->addWidget(new QLabel(QStringLiteral("%1").arg(i18n("Keys:")))); mKeysWidget = new OpenPGPKeyCardWidget{this}; areaVLay->addWidget(mKeysWidget); connect(mKeysWidget, &OpenPGPKeyCardWidget::createCSRRequested, this, &PGPCardWidget::createCSR); connect(mKeysWidget, &OpenPGPKeyCardWidget::generateKeyRequested, this, &PGPCardWidget::generateKey); areaVLay->addWidget(new KSeparator(Qt::Horizontal)); areaVLay->addWidget(new QLabel(QStringLiteral("%1").arg(i18n("Actions:")))); 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 pinButton = new QPushButton(i18n("Change PIN")); pinButton->setToolTip(i18n("Change the PIN required for using the keys on the smartcard.")); actionLayout->addWidget(pinButton); connect(pinButton, &QPushButton::clicked, this, [this] () { doChangePin(OpenPGPCard::pinKeyRef()); }); } { auto unblockButton = new QPushButton(i18n("Unblock Card")); unblockButton->setToolTip(i18n("Unblock the smartcard and set a new PIN.")); actionLayout->addWidget(unblockButton); connect(unblockButton, &QPushButton::clicked, this, [this] () { doChangePin(OpenPGPCard::resetCodeKeyRef()); }); } { auto pukButton = new QPushButton(i18n("Change Admin PIN")); pukButton->setToolTip(i18n("Change the PIN required for administrative operations.")); actionLayout->addWidget(pukButton); connect(pukButton, &QPushButton::clicked, this, [this] () { doChangePin(OpenPGPCard::adminPinKeyRef()); }); } { auto resetCodeButton = new QPushButton(i18n("Change Reset Code")); resetCodeButton->setToolTip(i18n("Change the PIN required to unblock the smartcard and set a new PIN.")); actionLayout->addWidget(resetCodeButton); connect(resetCodeButton, &QPushButton::clicked, this, [this] () { doChangePin(OpenPGPCard::resetCodeKeyRef(), ChangePinCommand::ResetMode); }); } if (CreateOpenPGPKeyFromCardKeysCommand::isSupported()) { mKeyForCardKeysButton = new QPushButton(this); mKeyForCardKeysButton->setText(i18n("Create OpenPGP Key")); mKeyForCardKeysButton->setToolTip(i18n("Create an OpenPGP key for the keys stored on the card.")); actionLayout->addWidget(mKeyForCardKeysButton); connect(mKeyForCardKeysButton, &QPushButton::clicked, this, &PGPCardWidget::createKeyFromCardKeys); } actionLayout->addStretch(-1); areaVLay->addLayout(actionLayout); areaVLay->addStretch(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); mKeysWidget->update(card); mCardIsEmpty = card->keyFingerprint(OpenPGPCard::pgpSigKeyRef()).empty() && card->keyFingerprint(OpenPGPCard::pgpEncKeyRef()).empty() && card->keyFingerprint(OpenPGPCard::pgpAuthKeyRef()).empty(); if (mKeyForCardKeysButton) { - mKeyForCardKeysButton->setEnabled(card->hasSigningKey() && card->hasEncryptionKey()); + mKeyForCardKeysButton->setEnabled(card->hasSigningKey() + && card->hasEncryptionKey() + && DeVSCompliance::algorithmIsCompliant(card->keyInfo(card->signingKeyRef()).algorithm) + && DeVSCompliance::algorithmIsCompliant(card->keyInfo(card->encryptionKeyRef()).algorithm)); } } void PGPCardWidget::doChangePin(const std::string &keyRef, ChangePinCommand::ChangePinMode mode) { auto cmd = new ChangePinCommand(mRealSerial, OpenPGPCard::AppName, this); this->setEnabled(false); connect(cmd, &ChangePinCommand::finished, this, [this]() { this->setEnabled(true); }); cmd->setKeyRef(keyRef); cmd->setMode(mode); cmd->start(); } void PGPCardWidget::doGenKey(GenCardKeyDialog *dlg) { const GpgME::Error err = ReaderStatus::switchCardAndApp(mRealSerial, OpenPGPCard::AppName); if (err) { 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..."))); auto 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()))); 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)); } 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() { 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; } 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; } } auto dlg = new GenCardKeyDialog(GenCardKeyDialog::AllKeyAttributes, this); #if GPGMEPP_SUPPORTS_SET_CURVE dlg->setSupportedAlgorithms(pgpCard->supportedAlgorithms(), pgpCard->defaultAlgorithm()); #else std::vector algos = { { "rsa2048", i18nc("@info", "RSA 2048") }, { "rsa3072", i18nc("@info", "RSA 3072") }, }; // There is probably a better way to check for capabilities if (mIs21) { algos.push_back({"rsa4096", i18nc("@info", "RSA 4096")}); } const auto supportedAlgos = pgpCard->supportedAlgorithms(); if (std::any_of(supportedAlgos.begin(), supportedAlgos.end(), [](const auto &algo) { return algo.id == "curve25519"; })) { algos.push_back({"curve25519", i18nc("@info", "ECC (Curve25519)")}); } dlg->setSupportedAlgorithms(algos, "rsa2048"); #endif 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.")); continue; } if (text.contains(QLatin1String(" "))) { KMessageBox::error(this, i18nc("@info", "Double spaces are not allowed")); continue; } if (text.size() > 38) { KMessageBox::error(this, i18nc("@info", "The size of the name may not exceed 38 characters.")); } 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, [this](const GpgME::Error &err) { changeNameResult(err); }); } void PGPCardWidget::changeNameResult(const GpgME::Error &err) { if (err) { KMessageBox::error(this, i18nc("@info", "Name change failed: %1", QString::fromLatin1(err.asString()))); 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.")); } 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, [this](const GpgME::Error &err) { changeUrlResult(err); }); } void PGPCardWidget::changeUrlResult(const GpgME::Error &err) { if (err) { KMessageBox::error(this, i18nc("@info", "URL change failed: %1", QString::fromLatin1(err.asString()))); return; } if (!err.isCanceled()) { KMessageBox::information(this, i18nc("@info", "URL successfully changed."), i18nc("@title", "Success")); ReaderStatus::mutableInstance()->updateStatus(); } } void PGPCardWidget::createKeyFromCardKeys() { auto cmd = new CreateOpenPGPKeyFromCardKeysCommand(mRealSerial, OpenPGPCard::AppName, this); this->setEnabled(false); connect(cmd, &CreateOpenPGPKeyFromCardKeysCommand::finished, this, [this]() { this->setEnabled(true); }); cmd->start(); } void PGPCardWidget::createCSR(const std::string &keyref) { auto cmd = new CreateCSRForCardKeyCommand(keyref, mRealSerial, OpenPGPCard::AppName, this); this->setEnabled(false); connect(cmd, &CreateCSRForCardKeyCommand::finished, this, [this]() { this->setEnabled(true); }); cmd->start(); } void PGPCardWidget::generateKey(const std::string &keyref) { auto cmd = new OpenPGPGenerateCardKeyCommand(keyref, mRealSerial, this); this->setEnabled(false); connect(cmd, &OpenPGPGenerateCardKeyCommand::finished, this, [this]() { this->setEnabled(true); }); cmd->start(); } #include "pgpcardwidget.moc"