run-nxproxy2nxagent-over-network

#!/bin/bash

#/**************************************************************************/
#/*                                                                        */
#/* Copyright (c) 2001, 2011 NoMachine, http://www.nomachine.com/.         */
#/* Copyright (c) 2015-2016 Mike Gabriel <mike.gabriel@das-netzwerkteam.de>*/
#/*                                                                        */
#/* NXSCRIPTS, NX protocol compression and NX extensions to this software  */
#/* are copyright of the aforementioned persons and companies.             */
#/*                                                                        */
#/* Redistribution and use of the present software is allowed according    */
#/* to terms specified in the file LICENSE.nxcomp which comes in the       */
#/* source distribution.                                                   */
#/*                                                                        */
#/* All rights reserved.                                                   */
#/*                                                                        */
#/* NOTE: This software has received contributions from various other      */
#/* contributors, only the core maintainers and supporters are listed as   */
#/* copyright holders. Please contact us, if you feel you should be listed */
#/* as copyright holder, as well.                                          */
#/*                                                                        */
#/**************************************************************************/

#
# Uncomment this to enable echo.
#
#set -x
#

ulimit -c "unlimited"

NXPROXYBIN="nxproxy"
NXAGENTBIN="nxagent"

###
### Adapt to your needs: NXAGENT_HOST, NXPROXY_HOST
###
### This script launches nxagent and has to be executed on the NXAGENT_HOST.
### On the NXPROXY_HOST you will have to execute nxproxy by copy+pasting
### some command lines...
###
### (Instructions for copy+pasting are given when this script has been launched).
###
NXAGENT_HOST="127.0.0.1" # (e.g., 192.168.1.1, this scripts is launched on the NXAGENT_HOST machine)
NXPROXY_HOST="127.0.0.1" # (e.g., 192.168.1.2, you want to connect nxproxy -> nxagent from the NXPROXY_HOST machine)

NX_PORT="9"

NX_SYSTEM="${HOME}/.nx"

NX_ROOT="${HOME}/.nx"

#
# This should be randomly generated.
#
#NX_COOKIE="$(xauth list |grep "${HOSTNAME}/unix:\<${NX_PORT}\>" | grep 'MIT' | cut -f '5' -d ' ')"
NX_COOKIE="123efa980d2cba234ef6f73deac810ff"

#
# Create the directories for the NX session.
#

rm -rf "${NX_ROOT}/C-${NX_PORT}" || exit
mkdir -p "${NX_ROOT}/C-${NX_PORT}" || exit

rm -rf "${NX_ROOT}/S-${NX_PORT}" || exit
mkdir -p "${NX_ROOT}/S-${NX_PORT}" || exit

#
# Set the path to libraries and NX executables.
#

LD_LIBRARY_PATH="${LD_LIBRARY_PATH}:${HOME}/NX/nxcomp:${HOME}/NX/nxcompext:${HOME}/NX/nx-X11/exports/lib"
export LD_LIBRARY_PATH

PATH="${PATH}:${HOME}/NX/nxclient/nxclient:${HOME}/NX/nx-X11/programs/Xserver/"
export PATH

#
# Create the fake cookie for this display.
#

echo "Creating the X authorization cookie."

xauth add "${NXPROXY_HOST}/unix:${NX_PORT}" "MIT-MAGIC-COOKIE-1" "${NX_COOKIE}"
xauth add "${NXPROXY_HOST}:${NX_PORT}" "MIT-MAGIC-COOKIE-1" "${NX_COOKIE}"

#
# Options are written in a file 'options' in the session
# directory. The agent will use the DISPLAY settings, so
# we pass in the DISPLAY the name of the options file.
#
# cache=8M,images=32M,link=modem,type=unix-kde,cleanup=0,
# accept=62.98.198.1,cookie=${NX_COOKIE},
# id=giulietta.nomachine.com-1098-6A4649FD0FCA57FAC275AF3F1C45B10F,
# media=1:1098
#

NX_HOST="nx/nx,cache=8192k,link=modem,menu=1,keybd=1,samba=0,cups=0,limit=0,\
accept=${NXPROXY_HOST},cookie=${NX_COOKIE},errors=${NX_ROOT}/C-${NX_PORT}/session"

echo "${NX_HOST}:${NX_PORT}" >"${NX_ROOT}/C-${NX_PORT}/options"

#
# Run the agent. if you don't have a font server running,
# remove the argument "-fp unix/:7100"
#

NX_AGENT=":${NX_PORT}"

echo "Running the X client side NX agent."

SAVED_DISPLAY="${DISPLAY}"

DISPLAY="nx/nx,options=${NX_ROOT}/C-${NX_PORT}/options:${NX_PORT}"
export DISPLAY

#valgrind -v --num-callers=8 --error-limit=no --trace-children=no \
#valgrind --num-callers=8 --tool=memcheck --leak-check=yes --show-reachable=yes --track-fds=yes \
#ldd "${NXAGENTBIN}"
"${NXAGENTBIN}" -name 'NX' -geometry "800x600+100+100" "${@}" \
"${NX_AGENT}" 2>>"${NX_ROOT}/C-${NX_PORT}/session" &

#
# The X server side proxy will forward the connection
# to the original DISPLAY.
#

DISPLAY="${SAVED_DISPLAY}"
export DISPLAY

#
# These are the nxproxy options used to run a typical session.
#
# cookie=${NX_COOKIE},root=/home/pinzari/.nx,media=32824,
# session=kde_on_giulietta,id=giulietta.nomachine.com-1098-6A4649FD0FCA57FAC275AF3F1C45B10F,
# connect=giulietta.nomachine.com:1098
#

printf '\n%s\n\n' 'Now... COPY+PASTE the below lines to your local system'
echo '--------------8<---------'

#NX_HOST="nx/nx,keybd=1,samba=1,cups=1,connect=${NXAGENT_HOST},cookie=${NX_COOKIE},errors=${NX_ROOT}/S-${NX_PORT}/session"
NX_HOST="nx/nx,keybd=1,samba=0,cups=0,connect=tcp:${NXAGENT_HOST}:4009,cookie=${NX_COOKIE},errors=${NX_ROOT}/S-${NX_PORT}/session"
echo "NX_HOST=${NX_HOST}"

echo "echo \"${NX_HOST}:${NX_PORT}\" >\"${NX_ROOT}/S-${NX_PORT}/options\""

echo "\"${NXPROXYBIN}\" -S \"nx/nx,options=${NX_ROOT}/S-${NX_PORT}/options:${NX_PORT}\" 2>>\"${NX_ROOT}/S-${NX_PORT}/session\""
printf '%s\n\n' '-------------->8---------'