rdpwrap/src-rdpconfig/MainUnit.pas

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{
Copyright 2014 Stas'M Corp.
Licensed under the Apache License, Version 2.0 (the "License");
you may not use this file except in compliance with the License.
You may obtain a copy of the License at
http://www.apache.org/licenses/LICENSE-2.0
Unless required by applicable law or agreed to in writing, software
distributed under the License is distributed on an "AS IS" BASIS,
WITHOUT WARRANTIES OR CONDITIONS OF ANY KIND, either express or implied.
See the License for the specific language governing permissions and
limitations under the License.
}
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unit MainUnit;
interface
uses
Windows, Messages, SysUtils, Variants, Classes, Graphics, Controls, Forms,
Dialogs, StdCtrls, Spin, ExtCtrls, Registry;
type
TMainForm = class(TForm)
bOK: TButton;
bCancel: TButton;
bApply: TButton;
cbSingleSessionPerUser: TCheckBox;
rgNLA: TRadioGroup;
cbAllowTSConnections: TCheckBox;
rgShadow: TRadioGroup;
seRDPPort: TSpinEdit;
lRDPPort: TLabel;
bLicense: TButton;
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procedure FormCreate(Sender: TObject);
procedure cbAllowTSConnectionsClick(Sender: TObject);
procedure seRDPPortChange(Sender: TObject);
procedure bApplyClick(Sender: TObject);
procedure bCancelClick(Sender: TObject);
procedure bOKClick(Sender: TObject);
procedure FormCloseQuery(Sender: TObject; var CanClose: Boolean);
procedure bLicenseClick(Sender: TObject);
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private
{ Private declarations }
public
{ Public declarations }
procedure ReadSettings;
procedure WriteSettings;
end;
var
MainForm: TMainForm;
Ready: Boolean = False;
implementation
{$R *.dfm}
{$R resource.res}
uses
LicenseUnit;
function ExtractResText(ResName: String): String;
var
ResStream: TResourceStream;
Str: TStringList;
begin
ResStream := TResourceStream.Create(HInstance, ResName, RT_RCDATA);
Str := TStringList.Create;
try
Str.LoadFromStream(ResStream);
except
end;
ResStream.Free;
Result := Str.Text;
Str.Free;
end;
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procedure TMainForm.ReadSettings;
var
Reg: TRegistry;
SecurityLayer, UserAuthentication: Integer;
begin
Reg := TRegistry.Create;
Reg.RootKey := HKEY_LOCAL_MACHINE;
Reg.OpenKeyReadOnly('\SYSTEM\CurrentControlSet\Control\Terminal Server');
try
cbAllowTSConnections.Checked := not Reg.ReadBool('fDenyTSConnections');
except
end;
try
cbSingleSessionPerUser.Checked := Reg.ReadBool('fSingleSessionPerUser');
except
end;
Reg.CloseKey;
Reg.OpenKeyReadOnly('\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp');
seRDPPort.Value := 3389;
try
seRDPPort.Value := Reg.ReadInteger('PortNumber');
except
end;
SecurityLayer := 0;
UserAuthentication := 0;
try
SecurityLayer := Reg.ReadInteger('SecurityLayer');
UserAuthentication := Reg.ReadInteger('UserAuthentication');
except
end;
if (SecurityLayer = 0) and (UserAuthentication = 0) then
rgNLA.ItemIndex := 0;
if (SecurityLayer = 1) and (UserAuthentication = 0) then
rgNLA.ItemIndex := 1;
if (SecurityLayer = 2) and (UserAuthentication = 1) then
rgNLA.ItemIndex := 2;
try
rgShadow.ItemIndex := Reg.ReadInteger('Shadow');
except
end;
Reg.CloseKey;
Reg.Free;
end;
procedure TMainForm.WriteSettings;
var
Reg: TRegistry;
SecurityLayer, UserAuthentication: Integer;
begin
Reg := TRegistry.Create;
Reg.RootKey := HKEY_LOCAL_MACHINE;
Reg.OpenKey('\SYSTEM\CurrentControlSet\Control\Terminal Server', True);
try
Reg.WriteBool('fDenyTSConnections', not cbAllowTSConnections.Checked);
except
end;
try
Reg.WriteBool('fSingleSessionPerUser', cbSingleSessionPerUser.Checked);
except
end;
Reg.CloseKey;
Reg.OpenKey('\SYSTEM\CurrentControlSet\Control\Terminal Server\WinStations\RDP-Tcp', True);
try
Reg.WriteInteger('PortNumber', seRDPPort.Value);
except
end;
case rgNLA.ItemIndex of
0: begin
SecurityLayer := 0;
UserAuthentication := 0;
end;
1: begin
SecurityLayer := 1;
UserAuthentication := 0;
end;
2: begin
SecurityLayer := 2;
UserAuthentication := 1;
end;
else begin
SecurityLayer := -1;
UserAuthentication := -1;
end;
end;
if SecurityLayer >= 0 then begin
try
Reg.WriteInteger('SecurityLayer', SecurityLayer);
Reg.WriteInteger('UserAuthentication', UserAuthentication);
except
end;
end;
if rgShadow.ItemIndex >= 0 then begin
try
Reg.WriteInteger('Shadow', rgShadow.ItemIndex);
except
end;
end;
Reg.CloseKey;
Reg.Free;
end;
procedure TMainForm.bLicenseClick(Sender: TObject);
begin
LicenseForm.mText.Text := ExtractResText('LICENSE');
if LicenseForm.ShowModal <> mrOk then
Halt(0);
end;
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procedure TMainForm.cbAllowTSConnectionsClick(Sender: TObject);
begin
if Ready then
bApply.Enabled := True;
end;
procedure TMainForm.seRDPPortChange(Sender: TObject);
begin
if Ready then
bApply.Enabled := True;
end;
procedure TMainForm.FormCreate(Sender: TObject);
begin
ReadSettings;
Ready := True;
end;
procedure TMainForm.FormCloseQuery(Sender: TObject; var CanClose: Boolean);
begin
if bApply.Enabled then
CanClose := MessageBox(Handle, 'Settings are not saved. Do you want to exit?',
'Warning', mb_IconWarning or mb_YesNo) = mrYes;
end;
procedure TMainForm.bOKClick(Sender: TObject);
begin
if bApply.Enabled then begin
WriteSettings;
bApply.Enabled := False;
end;
Close;
end;
procedure TMainForm.bCancelClick(Sender: TObject);
begin
Close;
end;
procedure TMainForm.bApplyClick(Sender: TObject);
begin
WriteSettings;
bApply.Enabled := False;
end;
end.