Re: Serial port redirection

[Corey Minyard <minyard-HInyCGIudOg@public.gmane.org>]

Ah, I missed that.  Ideally, something (i would think kermit) should sit 
between the program and the socket to make it transparent.  But yes, I 
see what you are saying.

Thanks,

-Corey

Jeffrey Altman wrote:

> Corey Minyard wrote:
>
>> Jeffrey Altman wrote:
>>
>>> Its not a Kermit bug; If you pass the socket file descriptor to an 
>>> external program
>>> the external program must understand telnet protocol.  Otherwise, it 
>>> can't send the
>>> correct data format. 
>>
>>
>>
>> No, it *is* a kermit bug.  When kermit sends an 0xff character, it 
>> needs to escape it per the standard telnet protocol.  It's obviously 
>> not doing this.
>>
>> -Corey
>
>
>
> I agree, the IAC must be quoted.  The problem is that when an external 
> protocol handler is
> executed as a child process, Kermit is suspended and the child process 
> has complete control
> over the socket file descriptor.
> Kermit is not sitting between the external protocol and the host.
> Some versions of sz have a command line flag to handle this situation 
> such that IAC (0xff) are
> not sent but are instead escaped within the zmodem protocol.
>
> Jeffrey Altman
>
>




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