SFTP Write Binary File

How to write binary data to a remote file.

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MS Windows Visual C/C++ Libraries

Linux/CentOS C/C++ Libraries

MAC OS X C/C++ Libraries

Solaris C/C++ Libraries

C++ Builder Libraries

// Needs #include <CkSFtp.h>

    CkString strOut;

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

    CkSFtp sftp;

    //  Any string automatically begins a fully-functional 30-day trial.
    bool success;
    success = sftp.UnlockComponent("Anything for 30-day trial");
    if (success != true) {
        strOut.append(sftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Set some timeouts, in milliseconds:
    sftp.put_ConnectTimeoutMs(5000);
    sftp.put_IdleTimeoutMs(15000);

    //  Connect to the SSH server.
    //  The standard SSH port = 22
    //  The hostname may be a hostname or IP address.
    long port;
    const char * hostname;
    hostname = "192.168.1.108";
    port = 22;
    success = sftp.Connect(hostname,port);
    if (success != true) {
        strOut.append(sftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Authenticate with the SSH server.  Chilkat SFTP supports
    //  both password-based authenication as well as public-key
    //  authentication.  This example uses password authenication.
    success = sftp.AuthenticatePw("myLogin","myPassword");
    if (success != true) {
        strOut.append(sftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  After authenticating, the SFTP subsystem must be initialized:
    success = sftp.InitializeSftp();
    if (success != true) {
        strOut.append(sftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Create a new file on the server.
    //  "createTruncate" -- A new file is created; if the file already exists, it is opened and truncated.
    const char * handle;
    handle = sftp.openFile("binaryData.dat","writeOnly","createTruncate");
    if (handle == 0 ) {
        strOut.append(sftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    unsigned char binaryData_bytes[] = { 1, 2, 3, 4, 5, 6, 7, 8, 9, 10};
    CkByteData binaryData;
    binaryData.append(binaryData_bytes, 10);

    success = sftp.WriteFileBytes(handle,binaryData);
    if (success != true) {
        strOut.append(sftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

    //  Close the file.
    success = sftp.CloseHandle(handle);
    if (success != true) {
        strOut.append(sftp.lastErrorText());
        strOut.append("\r\n");
        SetDlgItemText(IDC_EDIT1,strOut.getUnicode());
        return;
    }

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

    SetDlgItemText(IDC_EDIT1,strOut.getUnicode());