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(SQL Server) SSH Authentication using X.509 CertificatesSee more SSH ExamplesDemonstrates how to authenticate with an SSH/SFTP server using an certificate's private key. Note: See X.509v3 Certificates for SSH Authentication for more information.
-- 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) -- This example assumes the Chilkat API to have been previously unlocked. -- See Global Unlock Sample for sample code. DECLARE @ssh int EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Ssh', @ssh OUT IF @hr <> 0 BEGIN PRINT 'Failed to create ActiveX component' RETURN END DECLARE @hostname nvarchar(4000) SELECT @hostname = 'ssh.example.com' DECLARE @port int 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 -- Load the cert + private key from a .pfx. -- Note: Chilkat provides methods for loading certs and private keys from many sources, including smart cards and USB tokens (HSM's) DECLARE @cert int EXEC @hr = sp_OACreate 'Chilkat_9_5_0.Cert', @cert OUT EXEC sp_OAMethod @cert, 'LoadPfxFile', @success OUT, 'qa_data/pfx/example.pfx', 'pfx_password' IF @success <> 1 BEGIN EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @ssh EXEC @hr = sp_OADestroy @cert RETURN END -- Get the cert's private key (as PEM) to be used for SSH authentication. -- (The public key is installed on the server.) DECLARE @privKeyPem nvarchar(4000) EXEC sp_OAMethod @cert, 'GetPrivateKeyPem', @privKeyPem OUT EXEC sp_OAGetProperty @cert, 'LastMethodSuccess', @iTmp0 OUT IF @iTmp0 = 0 BEGIN EXEC sp_OAGetProperty @cert, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @ssh EXEC @hr = sp_OADestroy @cert RETURN END DECLARE @key int EXEC @hr = sp_OACreate 'Chilkat_9_5_0.SshKey', @key OUT -- Load a private key from a PEM string: EXEC sp_OAMethod @key, 'FromOpenSshPrivateKey', @success OUT, @privKeyPem IF @success <> 1 BEGIN EXEC sp_OAGetProperty @key, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @ssh EXEC @hr = sp_OADestroy @cert EXEC @hr = sp_OADestroy @key RETURN END -- Authenticate with the SSH server. EXEC sp_OAMethod @ssh, 'AuthenticatePk', @success OUT, 'myLogin', @key IF @success <> 1 BEGIN EXEC sp_OAGetProperty @ssh, 'LastErrorText', @sTmp0 OUT PRINT @sTmp0 EXEC @hr = sp_OADestroy @ssh EXEC @hr = sp_OADestroy @cert EXEC @hr = sp_OADestroy @key RETURN END PRINT 'Public-Key Authentication Successful!' EXEC @hr = sp_OADestroy @ssh EXEC @hr = sp_OADestroy @cert EXEC @hr = sp_OADestroy @key END GO |
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