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(Delphi DLL) SCP Download File

Demonstrates how to download a file using the SCP protocol (Secure Copy Protocol over SSH).

Chilkat for Delphi Downloads

Chilkat non-ActiveX DLL for Delphi

Chilkat ActiveX DLL for Delphi

* The examples here use the non-ActiveX DLL.

uses
    Winapi.Windows, Winapi.Messages, System.SysUtils, System.Variants, System.Classes, Vcl.Graphics,
    Vcl.Controls, Vcl.Forms, Vcl.Dialogs, Vcl.StdCtrls, Ssh, Scp;

...

procedure TForm1.Button1Click(Sender: TObject);
var
ssh: HCkSsh;
success: Boolean;
hostname: PWideChar;
port: Integer;
scp: HCkScp;
remotePath: PWideChar;
localPath: PWideChar;

begin
//  Important: It is helpful to send the contents of the
//  LastErrorText property when requesting support.

ssh := CkSsh_Create();

//  Any string automatically begins a fully-functional 30-day trial.
success := CkSsh_UnlockComponent(ssh,'30-day trial');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkSsh__lastErrorText(ssh));
    Exit;
  end;

//  Hostname may be an IP address or hostname:
hostname := 'www.some-ssh-server.com';
port := 22;

//  Connect to an SSH server:
success := CkSsh_Connect(ssh,hostname,port);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkSsh__lastErrorText(ssh));
    Exit;
  end;

//  Wait a max of 5 seconds when reading responses..
CkSsh_putIdleTimeoutMs(ssh,5000);

//  Authenticate using login/password:
success := CkSsh_AuthenticatePw(ssh,'myLogin','myPassword');
if (success <> True) then
  begin
    Memo1.Lines.Add(CkSsh__lastErrorText(ssh));
    Exit;
  end;

//  Once the SSH object is connected and authenticated, we use it
//  in our SCP object.
scp := CkScp_Create();

success := CkScp_UseSsh(scp,ssh);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkScp__lastErrorText(scp));
    Exit;
  end;

remotePath := 'test.txt';
localPath := '/home/bob/test.txt';
success := CkScp_DownloadFile(scp,remotePath,localPath);
if (success <> True) then
  begin
    Memo1.Lines.Add(CkScp__lastErrorText(scp));
    Exit;
  end;

Memo1.Lines.Add('SCP download file success.');

//  Disconnect
CkSsh_Disconnect(ssh);

CkSsh_Dispose(ssh);
CkScp_Dispose(scp);

end;

 

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