[ale] OT: Flash + SSH

[Christopher Fowler]

I don't think anything special is needed for real-time communications.
I wrote a simple C program to run on our embedded device to test this
idea out.  It was faster to test it there than on our server.

int
raw(int argc, char **argv) {
  int pid;
  fd_set rfds;

  /*
   * Why fork?
   * the web server will kill all cgi processes that have
   * been alive for 600(s).  This is how it protects
   * against possible runners.  We fork so that we can keep
   * running forever if we need to.
   */
  pid = fork();

  if(pid) {
    return 1;
  }

  while(1) {
    int ret;
    char byte;
    FD_ZERO(&rfds);
    FD_SET(0, &rfds);

    ret = select(1, &rfds, NULL,NULL,NULL);

    if(select < 0) {
      return 1;
    }

    if(read(0, &byte,1) <= 0) {
      return 1; /* EOF */
    }

    write(1, &byte,1);


  }
  return 0;

}


If I telnet to the web server and use command 'GET /cgi-bin/raw' then I
get this program that does exactly what it is supposed to do.

On Sat, 2006-11-25 at 22:16 -0500, Christopher Fowler wrote:
> On Sat, 2006-11-25 at 21:33 -0500, Bj?rn Gustafsson wrote:
> > Looks like the answer is yes, at least in principle:
> > 
> > http://flashforever.blogspot.com/2005/11/flash-telnet-client-with-flash-player.html
> 
> That looks good.  Is Flash 9 available for Linux yet?
> > 
> > Don't know about existing ssh clients in flash, but there are Java
> > applets that can ssh:
> > 
> > http://www.oit.duke.edu/sa/security/ssh.html
> 
> I've got one like that in use.  I have problems with java so I've been
> thinking about redeploying a client application in Flash.  
> 
> Another problem I have is with firewalls.  We have a J2EE application
> that runs on Linux.  We have a Java applet that communicates with a
> proxy agent on port 4000 of the server.  It is basically a terminal
> emulator in VT100 that communicates via the proxy to deployed devices.
> I would like the ability for it to use the same port as the Apache web
> server.  I've seen similar capabilities on IP KVM devices where the java
> applet that is the client communicates on port 80 or 443 just like the
> web browser.  It is in real time just like VNC.  Is there a module for
> this in Apache?  I would still need to implement the proxy code
> somewhere but the benefit of communicating on the same port as the web
> server would get me around these firewall issues.
> 
> 
> 
> 
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