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DataFlex Examples

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(DataFlex) SSL Client Certificate

Demonstrates how to connect to an SSL server using a client-side certificate, send a simple message, receive a simple response, and disconnect.

Chilkat ActiveX Downloads

ActiveX for 32-bit and 64-bit Windows

Use ChilkatAx-9.5.0-win32.pkg

Procedure Test
    Handle hoSocket
    Handle hoCertStore
    Boolean iSuccess
    Variant vCert
    Handle hoCert
    Boolean iSsl
    Integer iMaxWaitMillisec
    String sSslServerHost
    Integer iSslServerPort
    String sReceivedMsg
    String sTemp1
    Boolean bTemp1

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

    Get Create (RefClass(cComChilkatSocket)) To hoSocket
    If (Not(IsComObjectCreated(hoSocket))) Begin
        Send CreateComObject of hoSocket
    End

    // Create an instance of a certificate store object, load a PFX file,
    // locate the certificate we need, and use it for signing.
    // (a PFX file may contain more than one certificate.)
    Get Create (RefClass(cComChilkatCertStore)) To hoCertStore
    If (Not(IsComObjectCreated(hoCertStore))) Begin
        Send CreateComObject of hoCertStore
    End
    // The 1st argument is the filename, the 2nd arg is the 
    // PFX file's password:
    Get ComLoadPfxFile Of hoCertStore "chilkat_secret.pfx" "secret" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoCertStore To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComFindCertBySubjectCN Of hoCertStore "Chilkat Software, Inc." To vCert
    If (IsComObject(vCert)) Begin
        Get Create (RefClass(cComChilkatCert)) To hoCert
        Set pvComObject Of hoCert To vCert
    End
    Get ComLastMethodSuccess Of hoCertStore To bTemp1
    If (bTemp1 = False) Begin
        Get ComLastErrorText Of hoCertStore To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    Get ComSetSslClientCert Of hoSocket vCert To iSuccess

    Move True To iSsl
    Move 20000 To iMaxWaitMillisec

    // The SSL server hostname may be an IP address, a domain name,
    // or "localhost".  You'll need to change this:

    Move "123.123.88.88" To sSslServerHost
    Move 8123 To iSslServerPort

    // Connect to the SSL server:
    Get ComConnect Of hoSocket sSslServerHost iSslServerPort iSsl iMaxWaitMillisec To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoSocket To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Set maximum timeouts for reading an writing (in millisec)
    Set ComMaxReadIdleMs Of hoSocket To 20000
    Set ComMaxSendIdleMs Of hoSocket To 20000

    // Send a "Hello Server! -EOM-" message:
    Get ComSendString Of hoSocket "Hello Server! -EOM-" To iSuccess
    If (iSuccess <> True) Begin
        Get ComLastErrorText Of hoSocket To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // The server (in this example) is going to send a "Hello Client! -EOM-" 
    // message.  Read it:
    Get ComReceiveUntilMatch Of hoSocket "-EOM-" To sReceivedMsg
    Get ComLastMethodSuccess Of hoSocket To bTemp1
    If (bTemp1 <> True) Begin
        Get ComLastErrorText Of hoSocket To sTemp1
        Showln sTemp1
        Procedure_Return
    End

    // Close the connection with the server
    // Wait a max of 20 seconds (20000 millsec)
    Get ComClose Of hoSocket 20000 To iSuccess

    Showln sReceivedMsg


End_Procedure

 

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