Function dkmsRemove

src/model/DeviceOps.cpp:87–145

}

bool dkmsRemove(const QString &driver, QWidget *parent) {
    if (!isValidModuleName(driver)) {
        QMessageBox::warning(parent, "Uninstall failed", "Invalid driver name.");
        return false;
    }

    QProcess proc;
    proc.start("dkms", {"status"});
    bool statusOk = proc.waitForFinished(5000);
    if (!statusOk) {
        QMessageBox::warning(parent, "Uninstall failed",
            "Could not query DKMS status (timed out).");
        return false;
    }
    QString dkmsStatus = QString::fromUtf8(proc.readAllStandardOutput());

    // Match on the module name at the start of each line only.
    // dkms status formats: "name/version, ..." (new) or "name, version, ..." (old).
    // Using contains() would match "foo" inside "foobar", removing the wrong module.
    QString moduleLine;
    for (const QString &line : dkmsStatus.split('\n')) {
        if (line.startsWith(driver + "/") || line.startsWith(driver + ",")) {
            moduleLine = line;
            break;
        }
    }

    QString nameVer;
    if (!moduleLine.isEmpty())
        nameVer = moduleLine.section(',', 0, 0).trimmed();

    if (nameVer.isEmpty()) {
        QMessageBox::warning(parent, "Uninstall failed",
            "Could not find DKMS module information.");
        return false;
    }

    // Validate the parsed token before passing it to a privileged process.
    // DKMS identifiers look like "name/version" or just "name"; permit only
    // alphanumerics, underscores, hyphens, dots, and one optional slash.
    static const QRegularExpression kDkmsRe("^[a-zA-Z0-9_./-]+$");
    if (!kDkmsRe.match(nameVer).hasMatch()) {
        QMessageBox::warning(parent, "Uninstall failed",
            "Unexpected DKMS module name format.");
        return false;
    }

    QProcess uninstall;
    uninstall.start("pkexec", {"dkms", "remove", nameVer, "--all"});
    bool removeOk = uninstall.waitForFinished(30000);
    if (!removeOk || uninstall.exitCode() != 0) {
        showOpError(parent, "Uninstall failed",
            !removeOk, uninstall.readAllStandardError());
        return false;
    }

    QMessageBox::information(parent, "Uninstalled", "The driver has been removed.");
    return true;