[jira] [Updated] (SSHD-245) Support Break Extension (RFC 4335)

["Guillaume Nodet (JIRA)" <ji...@apache.org>]

     [ https://issues.apache.org/jira/browse/SSHD-245?page=com.atlassian.jira.plugin.system.issuetabpanels:all-tabpanel ]

Guillaume Nodet updated SSHD-245:
---------------------------------

    Fix Version/s:     (was: 0.10.0)
                   0.9.0
    
> Support Break Extension (RFC 4335)
> ----------------------------------
>
>                 Key: SSHD-245
>                 URL: https://issues.apache.org/jira/browse/SSHD-245
>             Project: MINA SSHD
>          Issue Type: New Feature
>            Reporter: Glenn McGregor
>            Assignee: Guillaume Nodet
>            Priority: Minor
>             Fix For: 0.9.0
>
>
> I can't find a way to force a unix ssh client to send an interrupt signal, but it seems easy to force the break.
> Unfortunately, the break message isn't implemented.
> It was easy to patch in my needs...  
> In ChannelSession:
>     protected boolean handleRequest(String type, Buffer buffer) throws IOException {
>         if ("env".equals(type)) {
>             return handleEnv(buffer);
>         }
>         if ("pty-req".equals(type)) {
>             return handlePtyReq(buffer);
>         }
>         if ("window-change".equals(type)) {
>             return handleWindowChange(buffer);
>         }
>         if ("signal".equals(type)) {
>             return handleSignal(buffer);
>         }
>         if ("break".equals(type)) {
>             return handleBreak(buffer);
>         }
> ....
>     protected boolean handleBreak(Buffer buffer) throws IOException {
>         boolean wantReply = buffer.getBoolean();
>         int length = buffer.getInt();
>         log.debug("Break received on channel {}: {}", id, length);
>         getEnvironment().signal( Signal.INT );
>         if (wantReply) {
>             buffer = session.createBuffer(SshConstants.Message.SSH_MSG_CHANNEL_SUCCESS, 0);
>             buffer.putInt(recipient);
>             session.writePacket(buffer);
>         }
>         return true;
>     }

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