Mercurial > 510Connectbot
view src/ch/ethz/ssh2/InteractiveCallback.java @ 304:abad243cb341 ganymed
add ecdsa key support everywhere
author | Carl Byington <carl@five-ten-sg.com> |
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date | Tue, 29 Jul 2014 20:28:01 -0700 |
parents | 91a31873c42a |
children | 071eccdff8ea |
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/* * Copyright (c) 2006-2011 Christian Plattner. All rights reserved. * Please refer to the LICENSE.txt for licensing details. */ package ch.ethz.ssh2; /** * An <code>InteractiveCallback</code> is used to respond to challenges sent * by the server if authentication mode "keyboard-interactive" is selected. * * @see Connection#authenticateWithKeyboardInteractive(String, * String[], InteractiveCallback) * * @author Christian Plattner * @version 2.50, 03/15/10 */ public interface InteractiveCallback { /** * This callback interface is used during a "keyboard-interactive" * authentication. Every time the server sends a set of challenges (however, * most often just one challenge at a time), this callback function will be * called to give your application a chance to talk to the user and to * determine the response(s). * <p> * Some copy-paste information from the standard: a command line interface * (CLI) client SHOULD print the name and instruction (if non-empty), adding * newlines. Then for each prompt in turn, the client SHOULD display the * prompt and read the user input. The name and instruction fields MAY be * empty strings, the client MUST be prepared to handle this correctly. The * prompt field(s) MUST NOT be empty strings. * <p> * Please refer to draft-ietf-secsh-auth-kbdinteract-XX.txt for the details. * <p> * Note: clients SHOULD use control character filtering as discussed in * RFC4251 to avoid attacks by including * terminal control characters in the fields to be displayed. * * @param name * the name String sent by the server. * @param instruction * the instruction String sent by the server. * @param numPrompts * number of prompts - may be zero (in this case, you should just * return a String array of length zero). * @param prompt * an array (length <code>numPrompts</code>) of Strings * @param echo * an array (length <code>numPrompts</code>) of booleans. For * each prompt, the corresponding echo field indicates whether or * not the user input should be echoed as characters are typed. * @return an array of reponses - the array size must match the parameter * <code>numPrompts</code>. */ public String[] replyToChallenge(String name, String instruction, int numPrompts, String[] prompt, boolean[] echo) throws Exception; }