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(Swift 2) SSH Keyboard AuthenticationDemonstrates how to implement keyboard authentication with an SSH server.
func chilkatTest() { // This example assumes the Chilkat API to have been previously unlocked. // See Global Unlock Sample for sample code. let ssh = CkoSsh() // Set some timeouts, in milliseconds: ssh.ConnectTimeoutMs = 5000 ssh.IdleTimeoutMs = 15000 // Connect to the SSH server. // The standard SSH port = 22 // The hostname may be a hostname or IP address. var hostname: String? = "sftp.example.com" var port: Int = 22 var success: Bool = ssh.Connect(hostname, port: port) if success != true { print("\(ssh.LastErrorText)") return } // Begin keyboard authentication.. var xmlResponse: String? = ssh.StartKeyboardAuth("myLogin") if ssh.LastMethodSuccess != true { print("\(ssh.LastErrorText)") return } // If a user authentication banner was received, then your app // may display it prior to prompting for the password. print("UserAuthBanner: \(ssh.UserAuthBanner)") let xml = CkoXml() success = xml.LoadXml(xmlResponse) // Assume LoadXml succeeds for the example.. if xml.HasChildWithTag("success") == true { print("No password required, already authenticated.") return } if xml.HasChildWithTag("error") == true { print("Authentication already failed.") return } // See the online reference documentation for Chilkat SSH. // The XML returned by StartKeyboardAuth will contain an infoRequest // with one or more prompts that your application may choose to display. // Call ContinueKeyboardAuth, passing in the whatever information is requires (such as the password). // Typically, keyboard authentication requires one call to ContinueKeyboardAuth // using the password. Theoretically, the SSH server could prompt for additional pieces // of information. The authentication is completed when the XML returned contains // either a "success" or "error" child node. // This example asumes only one call to ContinueKeyboardAuth is required. xmlResponse = ssh.ContinueKeyboardAuth("myPassword") if ssh.LastMethodSuccess != true { print("\(ssh.LastErrorText)") return } success = xml.LoadXml(xmlResponse) // Assume LoadXml succeeds for the example.. if xml.HasChildWithTag("success") == true { print("SSH Keyboard Authentication Successful!") return } if xml.HasChildWithTag("error") == true { print("Authentication failed.") return } } |
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