/// <summary>
/// On click of the patch button attempt patching authui.dll and display a success or an error messagebox based on the result.
/// </summary>
private void PatchButton_Click(object sender, EventArgs e)
{
if (PatchManagement.PatchAuthui() && successfulLoad)
{
CheckIfPatched();
MessageBox.Show("Authui successfully patched", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Authui patching failed", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
/// <summary>
/// Checks for successful load of the authui.dll file.
/// </summary>
private void CheckForSuccessfulLoad()
{
patchButton.Enabled = false;
restoreButton.Enabled = false;
if (PatchManagement.ReadAuthuiBytes())
{
CheckIfPatched();
if (PatchManagement.CleanAuthuiString())
{
successfulLoad = true;
}
}
}
/// <summary>
/// Check if authui.dll is patched, then set label text and buttons accordingly.
/// </summary>
private void CheckIfPatched()
{
if (PatchManagement.IsAuthuiPatched())
{
infoLabel.ForeColor = Color.Green;
infoLabel.Text = "Authui.dll is patched, 256 KB limit bypassed.";
restoreButton.Enabled = true;
patchButton.Enabled = false;
}
else
{
infoLabel.ForeColor = Color.Red;
infoLabel.Text = "Authui.dll is not patched, 256 KB limit active.";
patchButton.Enabled = true;
restoreButton.Enabled = false;
}
}
/// <summary>
/// On click of the patch button attempt restoring authui.dll and display a success or an error messagebox based on the result.
/// If restoring failes the user is asked if they want to try restoring authui.dll after killing explorer.exe (it hooks onto the authui.dll file and prevents it from being deleted); explorer.exe is automatically restarted by Windows after being killed.
/// </summary>
private void RestoreButton_Click(object sender, EventArgs e)
{
if (PatchManagement.RestoreAuthui())
{
CheckIfPatched();
MessageBox.Show("Authui.dll successfully restored", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
if (MessageBox.Show("Authui.dll restoration failed, retry after killing explorer.exe?", "Error", MessageBoxButtons.YesNo, MessageBoxIcon.Error) == DialogResult.Yes)
{
if (PatchManagement.RestoreAuthuiKillingExplorer())
{
CheckIfPatched();
MessageBox.Show("Authui.dll successfully restored", "Success", MessageBoxButtons.OK, MessageBoxIcon.Information);
}
else
{
MessageBox.Show("Authui.dll restoration after killing explorer.exe failed", "Error", MessageBoxButtons.OK, MessageBoxIcon.Error);
}
}
}
}