#!/bin/sh
case "$2" in
REMUSER)        echo "$REMUSER" ;;
REMOTE_USER)    echo "$REMOTE_USER" ;;
REMOTE_HOST)    echo "$REMOTE_HOST" ;;
REMOTE_ADDR)    echo "$REMOTE_ADDR" ;;
*)
    echo "Unknown environment variable $2" >&2
    exit 1
    ;;
esac
exit 0