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changed syntax to allow local ssh tunnel in future

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This commit is contained in:
Christian Rotzoll 2019-04-02 21:46:56 +01:00
parent 324420a163
commit ef99172712
2 changed files with 14 additions and 10 deletions
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4
FAQ.md
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@ -644,11 +644,11 @@ You can add those at the end of the file, save and reboot.
On the RaspiBlitz you can then setup for example to forward the gRPC port 10009 (internal port) to the port 20009 on the public server (external port) with the user = `test` and server address = `raspiblitz.com` with the following command:
`/home/admin/config.scripts/internet.sshtunnel.py on test@raspiblitz.com 10009:20009`
`/home/admin/config.scripts/internet.sshtunnel.py on test@raspiblitz.com 10009<20009`
You can even set multiple port forwardings like with:
`/home/admin/config.scripts/internet.sshtunnel.py on test@raspiblitz.com 10009:20009 8080:9090`
`/home/admin/config.scripts/internet.sshtunnel.py on test@raspiblitz.com 10009<20009 8080<9090`
Please beware that after you set such a port forwarding you need to set the domain of the public server as a `DynamicDNS` name (leave update url empty) and then connect mobile wallets fresh or export again the macaroons/certs. When connecting the mobile wallets you may need to adjust ports manually after QR code scan. And if you SSH tunnel the LND node port `9735` you may also need to sun the custom LND port script and maybe also a manual set of the domain in the LND service is needed. This all is very experimental at the moment ... better integration will come in the future.

20
home.admin/config.scripts/internet.sshtunnel.py
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@ -3,11 +3,15 @@
import sys, subprocess, re
from pathlib import Path
# IDEA: At the momemt its just Reverse-SSh Tunnels thats why [INTERNAL-PORT]<[EXTERNAL-PORT]
# For the future also just local ssh tunnels could be added with [INTERNAL-PORT]>[EXTERNAL-PORT]
# for the use case when a server wants to use a RaspiBlitz behind a NAT as Lightning backend
# display config script info
if len(sys.argv) <= 1 or sys.argv[1] == "-h" or sys.argv[1] == "help":
print("forward ports from another server to raspiblitz with reverse SSH tunnel")
print("internet.sshtunnel.py [on|off|restore] [USER]@[SERVER] [INTERNAL-PORT]:[EXTERNAL-PORT]")
print("note that [INTERNAL-PORT]:[EXTERNAL-PORT] can one or multiple forwardings")
print("internet.sshtunnel.py [on|off|restore] [USER]@[SERVER] [INTERNAL-PORT]<[EXTERNAL-PORT]")
print("note that [INTERNAL-PORT]<[EXTERNAL-PORT] can one or multiple forwardings")
sys.exit(1)
#
@ -68,26 +72,26 @@ if sys.argv[1] == "on":
# genenate additional parameter for autossh (forwarding ports)
if len(sys.argv) < 4:
print("[INTERNAL-PORT]:[EXTERNAL-PORT] missing - run 'internet.sshtunnel.py off' first")
print("[INTERNAL-PORT]<[EXTERNAL-PORT] missing - run 'internet.sshtunnel.py off' first")
sys.exit(1)
additional_parameters=""
i = 3
while i < len(sys.argv):
# check forwarding format
if sys.argv[i].count(":") != 1:
print("[INTERNAL-PORT]:[EXTERNAL-PORT] wrong format '%s'" % (sys.argv[i]))
if sys.argv[i].count("<") != 1:
print("[INTERNAL-PORT]<[EXTERNAL-PORT] wrong format '%s'" % (sys.argv[i]))
sys.exit(1)
# get ports
ports = sys.argv[i].split(":")
ports = sys.argv[i].split("<")
port_internal = ports[0]
port_external = ports[1]
if port_internal.isdigit() == False:
print("[INTERNAL-PORT]:[EXTERNAL-PORT] internal not number '%s'" % (sys.argv[i]))
print("[INTERNAL-PORT]<[EXTERNAL-PORT] internal not number '%s'" % (sys.argv[i]))
sys.exit(1)
if port_external.isdigit() == False:
print("[INTERNAL-PORT]:[EXTERNAL-PORT] external not number '%s'" % (sys.argv[i]))
print("[INTERNAL-PORT]<[EXTERNAL-PORT] external not number '%s'" % (sys.argv[i]))
sys.exit(1)
additional_parameters= additional_parameters + "-R %s:localhost:%s " % (port_external,port_internal)