(MFC) Setting Environment Variables for SCP Transfers

Demonstrates how to set remote environment variables for an SCP transfer.

Note 1: This example requires Chilkat v9.5.0.79 or greater.

Note 2: Setting environment variables for SCP is only supported by some SSH servers.

Chilkat C/C++ Library Downloads MS Visual C/C++ Libs

See Also: Using MFC CString in Chilkat

#include <CkSsh.h>
#include <CkScp.h>
#include <CkJsonObject.h>

void ChilkatSample(void)
    {
    CkString strOut;

    // This example requires the Chilkat API to have been previously unlocked.
    // See Global Unlock Sample for sample code.

    CkSsh ssh;

    // First connect to an SSH server.
    bool success = ssh.Connect("example.com",22);
    if (success != true) {
        strOut.append(ssh.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    // Authenticate..
    success = ssh.AuthenticatePw("myLogin","myPassword");
    if (success != true) {
        strOut.append(ssh.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // After the SSH object is connected and authenticated, we use it
    // as the underlying transport in our SCP object.
    CkScp scp;

    success = scp.UseSsh(ssh);
    if (success != true) {
        strOut.append(scp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    // Specify the environment variables to be set in JSON as follows.
    // This example sets two environment variables.  One is named "LCS_PASSWORD" and the other "MY_TEST_NAME".
    CkJsonObject jsonEnvVars;
    jsonEnvVars.put_EmitCompact(false);
    jsonEnvVars.UpdateString("LCS_PASSWORD","secret");
    jsonEnvVars.UpdateString("MY_TEST_NAME","abc");
    const char *strEnvVars = jsonEnvVars.emit();

    strOut.append(strEnvVars);
    strOut.append("\r\n");

    // Setting the SendEnv property causes Chilkat to set each environment variable on the SSH server
    // prior to doing the upload or download.
    scp.put_SendEnv(strEnvVars);

    // Do the upload..
    const char *remotePath = "starfish.jpg";
    const char *localPath = "qa_data/jpg/starfish.jpg";
    success = scp.UploadFile(localPath,remotePath);
    if (success != true) {
        strOut.append(scp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    strOut.append("SCP upload file success.");
    strOut.append("\r\n");

    // Disconnect
    ssh.Disconnect();


    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());

    }