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| Interface InteractiveCallback</H2> |
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| <DL> |
| <DT><PRE>public interface <B>InteractiveCallback</B></DL> |
| </PRE> |
| |
| <P> |
| An <code>InteractiveCallback</code> is used to respond to challenges sent |
| by the server if authentication mode "keyboard-interactive" is selected. |
| <P> |
| |
| <P> |
| <DL> |
| <DT><B>Version:</B></DT> |
| <DD>$Id: InteractiveCallback.java,v 1.1 2007/10/15 12:49:56 cplattne Exp $</DD> |
| <DT><B>Author:</B></DT> |
| <DD>Christian Plattner, plattner@trilead.com</DD> |
| <DT><B>See Also:</B><DD><A HREF="../../../com/trilead/ssh2/Connection.html#authenticateWithKeyboardInteractive(java.lang.String, java.lang.String[], com.trilead.ssh2.InteractiveCallback)"><CODE>Connection.authenticateWithKeyboardInteractive(String, |
| String[], InteractiveCallback)</CODE></A></DL> |
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| <CODE> java.lang.String[]</CODE></FONT></TD> |
| <TD><CODE><B><A HREF="../../../com/trilead/ssh2/InteractiveCallback.html#replyToChallenge(java.lang.String, java.lang.String, int, java.lang.String[], boolean[])">replyToChallenge</A></B>(java.lang.String name, |
| java.lang.String instruction, |
| int numPrompts, |
| java.lang.String[] prompt, |
| boolean[] echo)</CODE> |
| |
| <BR> |
| This callback interface is used during a "keyboard-interactive" |
| authentication.</TD> |
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| <A NAME="replyToChallenge(java.lang.String, java.lang.String, int, java.lang.String[], boolean[])"><!-- --></A><H3> |
| replyToChallenge</H3> |
| <PRE> |
| java.lang.String[] <B>replyToChallenge</B>(java.lang.String name, |
| java.lang.String instruction, |
| int numPrompts, |
| java.lang.String[] prompt, |
| boolean[] echo) |
| throws java.lang.Exception</PRE> |
| <DL> |
| <DD>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. |
| <P> |
| <DD><DL> |
| <DT><B>Parameters:</B><DD><CODE>name</CODE> - the name String sent by the server.<DD><CODE>instruction</CODE> - the instruction String sent by the server.<DD><CODE>numPrompts</CODE> - number of prompts - may be zero (in this case, you should just |
| return a String array of length zero).<DD><CODE>prompt</CODE> - an array (length <code>numPrompts</code>) of Strings<DD><CODE>echo</CODE> - 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. |
| <DT><B>Returns:</B><DD>an array of reponses - the array size must match the parameter |
| <code>numPrompts</code>. |
| <DT><B>Throws:</B> |
| <DD><CODE>java.lang.Exception</CODE></DL> |
| </DD> |
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