(SQL Server) SSH using HTTP Proxy

Note: This example requires Chilkat v9.5.0.51 or greater.

Demonstrates how to connect to an SSH server through an HTTP proxy. (Connects through a generic proxy of type: HTTP/1.1 using the CONNECT method.)

Chilkat ActiveX Downloads ActiveX for 32-bit and 64-bit Windows

-- Important: See this note about string length limitations for strings returned by sp_OAMethod calls.
--
CREATE PROCEDURE ChilkatSample
AS
BEGIN
    DECLARE @hr int
    -- Important: Do not use nvarchar(max).  See the warning about using nvarchar(max).
    DECLARE @sTmp0 nvarchar(4000)
    -- This example assumes the Chilkat API to have been previously unlocked.
    -- See Global Unlock Sample for sample code.

    DECLARE @ssh int
    -- Use "Chilkat_9_5_0.Ssh" for versions of Chilkat < 10.0.0
    EXEC @hr = sp_OACreate 'Chilkat.Ssh', @ssh OUT
    IF @hr <> 0
    BEGIN
        PRINT 'Failed to create ActiveX component'
        RETURN
    END

    -- To connect through an HTTP proxy, set the HttpProxyHostname
    -- and HttpProxyPort properties to the hostname (or IP address)
    -- and port of the HTTP proxy.  Typical port numbers used by
    -- HTTP proxy servers are 3128 and 8080.
    EXEC sp_OASetProperty @ssh, 'HttpProxyHostname', 'www.my-http-proxy.com'
    EXEC sp_OASetProperty @ssh, 'HttpProxyPort', 3128

    -- Important:  Your HTTP proxy server must allow non-HTTP
    -- traffic to pass.  Otherwise this does not work.

    -- Connect to an SSH server via an HTTP proxy:
    DECLARE @hostname nvarchar(4000)

    DECLARE @port int

    -- Hostname may be an IP address or hostname:
    SELECT @hostname = '192.168.1.108'
    SELECT @port = 22

    DECLARE @success int
    EXEC sp_OAMethod @ssh, 'Connect', @success OUT, @hostname, @port
    IF @success <> 1
      BEGIN
        EXEC sp_OAGetProperty @ssh, 'LastErrorText', @sTmp0 OUT
        PRINT @sTmp0
        EXEC @hr = sp_OADestroy @ssh
        RETURN
      END

    -- Your application is now connected to an SSH server 
    -- through an HTTP proxy. 
    -- ..

    EXEC @hr = sp_OADestroy @ssh


END
GO