Determining Local IP Address within .profile

[Darren Tucker]

Mario Paumann wrote:
> I haven't found an easy solution to determine the local IP to which
> the remote SSH client is connected to the local SSHD. We use
> MC/Serviceguard which can create many Interfaces where a remote client
> could connect and we like to know within .profile which interface the
> client has connected to.

I think patching sshd to provide a $SSH_SERVER variable is cleaner, but
you could use the the client IP and port to look up the matching local
ip/port pair via netstat, eg:

remote=`echo $SSH_CLIENT | awk '{print $1":"$2}'`
local=`netstat -n | awk '/'$remote'/{print $4}'`

-- 
Darren Tucker (dtucker at zip.com.au)
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    Good judgement comes with experience. Unfortunately, the experience
usually comes from bad judgement.