SQL Server

SSL Client Certificate

See more Socket/SSL/TLS Examples

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

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    DECLARE @iTmp0 int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    DECLARE @success int
    SELECT @success = 0

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

    DECLARE @socket int
    EXEC @hr = sp_OACreate 'Chilkat.Socket', @socket OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    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.)
    DECLARE @certStore int
    EXEC @hr = sp_OACreate 'Chilkat.CertStore', @certStore OUT

    -- The 1st argument is the filename, the 2nd arg is the 
    -- PFX file's password:
    EXEC sp_OAMethod @certStore, 'LoadPfxFile', @success OUT, 'chilkat_secret.pfx', 'secret'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @certStore, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @socket
        EXEC @hr = sp_OADestroy @certStore
        RETURN
      END

    -- Find the certificate by the subject common name:
    DECLARE @jsonCN int
    EXEC @hr = sp_OACreate 'Chilkat.JsonObject', @jsonCN OUT

    EXEC sp_OAMethod @jsonCN, 'UpdateString', @success OUT, 'CN', 'cert common name'

    DECLARE @cert int
    EXEC @hr = sp_OACreate 'Chilkat.Cert', @cert OUT

    EXEC sp_OAMethod @certStore, 'FindCert', @success OUT, @jsonCN, @cert
    IF @success = 0
      BEGIN
        EXEC sp_OAGetProperty @certStore, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @socket
        EXEC @hr = sp_OADestroy @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    EXEC sp_OAMethod @socket, 'SetSslClientCert', @success OUT, @cert

    DECLARE @ssl int
    SELECT @ssl = 1
    DECLARE @maxWaitMillisec int
    SELECT @maxWaitMillisec = 20000

    -- The SSL server hostname may be an IP address, a domain name,
    -- or "localhost".  You'll need to change this:
    DECLARE @sslServerHost nvarchar(4000)

    SELECT @sslServerHost = '123.123.88.88'
    DECLARE @sslServerPort int
    SELECT @sslServerPort = 8123

    -- Connect to the SSL server:
    EXEC sp_OAMethod @socket, 'Connect', @success OUT, @sslServerHost, @sslServerPort, @ssl, @maxWaitMillisec
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @socket, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @socket
        EXEC @hr = sp_OADestroy @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    -- Set maximum timeouts for reading an writing (in millisec)
    EXEC sp_OASetProperty @socket, 'MaxReadIdleMs', 20000
    EXEC sp_OASetProperty @socket, 'MaxSendIdleMs', 20000

    -- Send a "Hello Server! -EOM-" message:
    EXEC sp_OAMethod @socket, 'SendString', @success OUT, 'Hello Server! -EOM-'
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @socket, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @socket
        EXEC @hr = sp_OADestroy @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    -- The server (in this example) is going to send a "Hello Client! -EOM-" 
    -- message.  Read it:
    DECLARE @receivedMsg nvarchar(4000)
    EXEC sp_OAMethod @socket, 'ReceiveUntilMatch', @receivedMsg OUT, '-EOM-'
    EXEC sp_OAGetProperty @socket, 'LastMethodSuccess', @iTmp0 OUT
    IF @iTmp0 <> 1
      BEGIN
        EXEC sp_OAGetProperty @socket, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @socket
        EXEC @hr = sp_OADestroy @certStore
        EXEC @hr = sp_OADestroy @jsonCN
        EXEC @hr = sp_OADestroy @cert
        RETURN
      END

    -- Close the connection with the server
    -- Wait a max of 20 seconds (20000 millsec)
    EXEC sp_OAMethod @socket, 'Close', @success OUT, 20000


    PRINT @receivedMsg

    EXEC @hr = sp_OADestroy @socket
    EXEC @hr = sp_OADestroy @certStore
    EXEC @hr = sp_OADestroy @jsonCN
    EXEC @hr = sp_OADestroy @cert


END
GO