• Subject: RE: Retrieve IP Address using Telnet exit point
  • From: Jim Knight <jknight@xxxxxxx>
  • Date: Mon, 19 Jul 1999 07:33:10 -0700

In the QDCRDEVD API (display device), format DEVD0600, at position 
875 for a length of 15, is the IP address of the *DSP device.  It is already
decoded for you.  If there is no IP address (SNA device), it will be
filled with nulls.
Jim K

> -----Original Message-----
> From: Evan Harris [SMTP:spanner@ihug.co.nz]
> Sent: Friday, July 16, 1999 3:00 PM
> To:   midrange-l@midrange.com
> Subject:      Retrieve IP Address using Telnet exit point
> 
> Morning all,
> 
> I have been working on developing a telnet exit program, and have ended up
> stuck at the point where I try and retrieve an IP address from the device
> information returned from the exit program.
> 
> I can see the data structure that holds the address (in hex) and have been
> able to calculate the address from it manually, but can't figure out how to
> get it from the 4 byte hex code into decimal notation programmatocally to
> allow me to do some easier compares.
> 
> At the moment I am looking to log where our Telnet connections are coming
> from, but down the track I'd like to be able to be able to use a host mask
> to validate who can connect, and possibly provide device masks to the
> connection rather than using the QPADEV* devices.
> 
> I'm sure I saw someone mention that they had done this and wondered how
> they accomplished this task. 
> 
> By the way, I have searched the archives but couldn't hit what I was after.
> I also looked at the IBM exit program, but don't have a C compiler, even
> though some of the ideas in it were quite useful for what I want to do down
> the track.
> 
> Cheers
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