(Unicode C) 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++ Linux/CentOS C/C++ Alpine Linux C/C++ MAC OS X C/C++	armhf/aarch64 C/C++ C++ Builder iOS C/C++ Android C/C++	Solaris C/C++ MinGW C/C++

#include <C_CkSshW.h>
#include <C_CkScpW.h>
#include <C_CkJsonObjectW.h>

void ChilkatSample(void)
    {
    HCkSshW ssh;
    BOOL success;
    HCkScpW scp;
    HCkJsonObjectW jsonEnvVars;
    const wchar_t *strEnvVars;
    const wchar_t *remotePath;
    const wchar_t *localPath;

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

    ssh = CkSshW_Create();

    // First connect to an SSH server.
    success = CkSshW_Connect(ssh,L"example.com",22);
    if (success != TRUE) {
        wprintf(L"%s\n",CkSshW_lastErrorText(ssh));
        CkSshW_Dispose(ssh);
        return;
    }

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

    // Authenticate..
    success = CkSshW_AuthenticatePw(ssh,L"myLogin",L"myPassword");
    if (success != TRUE) {
        wprintf(L"%s\n",CkSshW_lastErrorText(ssh));
        CkSshW_Dispose(ssh);
        return;
    }

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

    success = CkScpW_UseSsh(scp,ssh);
    if (success != TRUE) {
        wprintf(L"%s\n",CkScpW_lastErrorText(scp));
        CkSshW_Dispose(ssh);
        CkScpW_Dispose(scp);
        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".
    jsonEnvVars = CkJsonObjectW_Create();
    CkJsonObjectW_putEmitCompact(jsonEnvVars,FALSE);
    CkJsonObjectW_UpdateString(jsonEnvVars,L"LCS_PASSWORD",L"secret");
    CkJsonObjectW_UpdateString(jsonEnvVars,L"MY_TEST_NAME",L"abc");
    strEnvVars = CkJsonObjectW_emit(jsonEnvVars);

    wprintf(L"%s\n",strEnvVars);

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

    // Do the upload..
    remotePath = L"starfish.jpg";
    localPath = L"qa_data/jpg/starfish.jpg";
    success = CkScpW_UploadFile(scp,localPath,remotePath);
    if (success != TRUE) {
        wprintf(L"%s\n",CkScpW_lastErrorText(scp));
        CkSshW_Dispose(ssh);
        CkScpW_Dispose(scp);
        CkJsonObjectW_Dispose(jsonEnvVars);
        return;
    }

    wprintf(L"SCP upload file success.\n");

    // Disconnect
    CkSshW_Disconnect(ssh);


    CkSshW_Dispose(ssh);
    CkScpW_Dispose(scp);
    CkJsonObjectW_Dispose(jsonEnvVars);

    }