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Reticulum/RNS/Reticulum.py

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from .vendor.platformutils import get_platform
if get_platform() == "android":
from .Interfaces import Interface
from .Interfaces import LocalInterface
from .Interfaces import AutoInterface
from .Interfaces import TCPInterface
from .Interfaces import UDPInterface
from .Interfaces import I2PInterface
else:
from .Interfaces import *
from .vendor.configobj import ConfigObj
import configparser
import multiprocessing.connection
import signal
import threading
import atexit
import struct
import array
import os.path
import os
import RNS
class Reticulum:
"""
This class is used to initialise access to Reticulum within a
program. You must create exactly one instance of this class before
carrying out any other RNS operations, such as creating destinations
or sending traffic. Every independently executed program must create
their own instance of the Reticulum class, but Reticulum will
automatically handle inter-program communication on the same system,
and expose all connected programs to external interfaces as well.
As soon as an instance of this class is created, Reticulum will start
opening and configuring any hardware devices specified in the supplied
configuration.
Currently the first running instance must be kept running while other
local instances are connected, as the first created instance will
act as a master instance that directly communicates with external
hardware such as modems, TNCs and radios. If a master instance is
asked to exit, it will not exit until all client processes have
terminated (unless killed forcibly).
If you are running Reticulum on a system with several different
programs that use RNS starting and terminating at different times,
it will be advantageous to run a master RNS instance as a daemon for
other programs to use on demand.
"""
# Future minimum will probably be locked in at 244 bytes to support
# networks with segments of different MTUs. Absolute minimum is 211.
MTU = 500
"""
The MTU that Reticulum adheres to, and will expect other peers to
adhere to. By default, the MTU is 500 bytes. In custom RNS network
implementations, it is possible to change this value, but doing so will
completely break compatibility with all other RNS networks. An identical
MTU is a prerequisite for peers to communicate in the same network.
Unless you really know what you are doing, the MTU should be left at
the default value.
"""
# TODO: To reach the 300bps level without unreasonably impacting
# performance on faster links, we need a mechanism for setting
# this value more intelligently. One option could be inferring it
# from interface speed, but a better general approach would most
# probably be to let Reticulum somehow continously build a map of
# per-hop latencies and use this map for the timeout calculation.
DEFAULT_PER_HOP_TIMEOUT = 5
# Length of truncated hashes in bits.
TRUNCATED_HASHLENGTH = 80
HEADER_MINSIZE = 2+1+(TRUNCATED_HASHLENGTH//8)*1
HEADER_MAXSIZE = 2+1+(TRUNCATED_HASHLENGTH//8)*2
MDU = MTU - HEADER_MAXSIZE
router = None
config = None
# The default configuration path will be expanded to a directory
# named ".reticulum" inside the current users home directory
configdir = os.path.expanduser("~")+"/.reticulum"
configpath = ""
storagepath = ""
cachepath = ""
@staticmethod
def exit_handler():
# This exit handler is called whenever Reticulum is asked to
# shut down, and will in turn call exit handlers in other
# classes, saving necessary information to disk and carrying
# out cleanup operations.
RNS.Transport.exit_handler()
RNS.Identity.exit_handler()
@staticmethod
def sigint_handler(signal, frame):
RNS.Transport.detach_interfaces()
RNS.exit()
@staticmethod
def sigterm_handler(signal, frame):
RNS.Transport.detach_interfaces()
RNS.exit()
def __init__(self,configdir=None, loglevel=None):
"""
Initialises and starts a Reticulum instance. This must be
done before any other operations, and Reticulum will not
pass any traffic before being instantiated.
:param configdir: Full path to a Reticulum configuration directory.
"""
RNS.vendor.platformutils.platform_checks()
if configdir != None:
Reticulum.configdir = configdir
Reticulum.configpath = Reticulum.configdir+"/config"
Reticulum.storagepath = Reticulum.configdir+"/storage"
Reticulum.cachepath = Reticulum.configdir+"/storage/cache"
Reticulum.resourcepath = Reticulum.configdir+"/storage/resources"
Reticulum.__transport_enabled = False
Reticulum.__use_implicit_proof = True
Reticulum.panic_on_interface_error = False
self.local_interface_port = 37428
self.local_control_port = 37429
self.share_instance = True
self.rpc_listener = None
self.requested_loglevel = loglevel
if self.requested_loglevel != None:
if self.requested_loglevel > RNS.LOG_EXTREME:
self.requested_loglevel = RNS.LOG_EXTREME
if self.requested_loglevel < RNS.LOG_CRITICAL:
self.requested_loglevel = RNS.LOG_CRITICAL
RNS.loglevel = self.requested_loglevel
self.is_shared_instance = False
self.is_connected_to_shared_instance = False
self.is_standalone_instance = False
if not os.path.isdir(Reticulum.storagepath):
os.makedirs(Reticulum.storagepath)
if not os.path.isdir(Reticulum.cachepath):
os.makedirs(Reticulum.cachepath)
if not os.path.isdir(Reticulum.resourcepath):
os.makedirs(Reticulum.resourcepath)
if os.path.isfile(self.configpath):
try:
self.config = ConfigObj(self.configpath)
except Exception as e:
RNS.log("Could not parse the configuration at "+self.configpath, RNS.LOG_ERROR)
RNS.log("Check your configuration file for errors!", RNS.LOG_ERROR)
RNS.panic()
else:
RNS.log("Could not load config file, creating default configuration file...")
self.__create_default_config()
RNS.log("Default config file created. Make any necessary changes in "+Reticulum.configdir+"/config and restart Reticulum if needed.")
import time
time.sleep(1.5)
self.__apply_config()
RNS.log("Configuration loaded from "+self.configpath, RNS.LOG_VERBOSE)
RNS.Identity.load_known_destinations()
RNS.Transport.start(self)
self.rpc_addr = ("127.0.0.1", self.local_control_port)
self.rpc_key = RNS.Identity.full_hash(RNS.Transport.identity.get_private_key())
if self.is_shared_instance:
self.rpc_listener = multiprocessing.connection.Listener(self.rpc_addr, authkey=self.rpc_key)
thread = threading.Thread(target=self.rpc_loop)
thread.setDaemon(True)
thread.start()
atexit.register(Reticulum.exit_handler)
signal.signal(signal.SIGINT, Reticulum.sigint_handler)
signal.signal(signal.SIGTERM, Reticulum.sigterm_handler)
def __start_local_interface(self):
if self.share_instance:
try:
interface = LocalInterface.LocalServerInterface(
RNS.Transport,
self.local_interface_port
)
interface.OUT = True
RNS.Transport.interfaces.append(interface)
self.is_shared_instance = True
RNS.log("Started shared instance interface: "+str(interface), RNS.LOG_DEBUG)
except Exception as e:
try:
interface = LocalInterface.LocalClientInterface(
RNS.Transport,
"Local shared instance",
self.local_interface_port)
interface.target_port = self.local_interface_port
interface.OUT = True
RNS.Transport.interfaces.append(interface)
self.is_shared_instance = False
self.is_standalone_instance = False
self.is_connected_to_shared_instance = True
Reticulum.__transport_enabled = False
RNS.log("Connected to local shared instance via: "+str(interface), RNS.LOG_DEBUG)
except Exception as e:
RNS.log("Local shared instance appears to be running, but it could not be connected", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
self.is_shared_instance = False
self.is_standalone_instance = True
self.is_connected_to_shared_instance = False
else:
self.is_shared_instance = False
self.is_standalone_instance = True
self.is_connected_to_shared_instance = False
def __apply_config(self):
if "logging" in self.config:
for option in self.config["logging"]:
value = self.config["logging"][option]
if option == "loglevel" and self.requested_loglevel == None:
RNS.loglevel = int(value)
if RNS.loglevel < 0:
RNS.loglevel = 0
if RNS.loglevel > 7:
RNS.loglevel = 7
if "reticulum" in self.config:
for option in self.config["reticulum"]:
value = self.config["reticulum"][option]
if option == "share_instance":
value = self.config["reticulum"].as_bool(option)
self.share_instance = value
if option == "shared_instance_port":
value = int(self.config["reticulum"][option])
self.local_interface_port = value
if option == "instance_control_port":
value = int(self.config["reticulum"][option])
self.local_control_port = value
if option == "enable_transport":
v = self.config["reticulum"].as_bool(option)
if v == True:
Reticulum.__transport_enabled = True
if option == "panic_on_interface_error":
v = self.config["reticulum"].as_bool(option)
if v == True:
Reticulum.panic_on_interface_error = True
if option == "use_implicit_proof":
v = self.config["reticulum"].as_bool(option)
if v == True:
Reticulum.__use_implicit_proof = True
if v == False:
Reticulum.__use_implicit_proof = False
self.__start_local_interface()
if self.is_shared_instance or self.is_standalone_instance:
RNS.log("Bringing up system interfaces...", RNS.LOG_DEBUG)
interface_names = []
for name in self.config["interfaces"]:
if not name in interface_names:
c = self.config["interfaces"][name]
interface_mode = Interface.Interface.MODE_FULL
if "mode" in c:
if c["mode"] == "full":
interface_mode = Interface.Interface.MODE_FULL
elif c["mode"] == "accesspoint" or c["mode"] == "ap":
interface_mode = Interface.Interface.MODE_ACCESS_POINT
elif c["mode"] == "pointtopoint" or c["mode"] == "ptp":
interface_mode = Interface.Interface.MODE_POINT_TO_POINT
try:
if ("interface_enabled" in c) and c.as_bool("interface_enabled") == True:
if c["type"] == "AutoInterface":
if not RNS.vendor.platformutils.is_windows():
group_id = c["group_id"] if "group_id" in c else None
discovery_scope = c["discovery_scope"] if "discovery_scope" in c else None
discovery_port = int(c["discovery_port"]) if "discovery_port" in c else None
data_port = int(c["data_port"]) if "data_port" in c else None
allowed_interfaces = c.as_list("devices") if "devices" in c else None
ignored_interfaces = c.as_list("ignored_devices") if "ignored_devices" in c else None
interface = AutoInterface.AutoInterface(
RNS.Transport,
name,
group_id,
discovery_scope,
discovery_port,
data_port,
allowed_interfaces,
ignored_interfaces
)
if "outgoing" in c and c.as_bool("outgoing") == False:
interface.OUT = False
else:
interface.OUT = True
interface.mode = interface_mode
RNS.Transport.interfaces.append(interface)
else:
RNS.log("AutoInterface is not currently supported on Windows, disabling interface.", RNS.LOG_ERROR);
RNS.log("Please remove this AutoInterface instance from your configuration file.", RNS.LOG_ERROR);
RNS.log("You will have to manually configure other interfaces for connectivity.", RNS.LOG_ERROR);
if c["type"] == "UDPInterface":
device = c["device"] if "device" in c else None
port = int(c["port"]) if "port" in c else None
listen_ip = c["listen_ip"] if "listen_ip" in c else None
listen_port = int(c["listen_port"]) if "listen_port" in c else None
forward_ip = c["forward_ip"] if "forward_ip" in c else None
forward_port = int(c["forward_port"]) if "forward_port" in c else None
if port != None:
if listen_port == None:
listen_port = port
if forward_port == None:
forward_port = port
interface = UDPInterface.UDPInterface(
RNS.Transport,
name,
device,
listen_ip,
listen_port,
forward_ip,
forward_port
)
if "outgoing" in c and c.as_bool("outgoing") == False:
interface.OUT = False
else:
interface.OUT = True
interface.mode = interface_mode
RNS.Transport.interfaces.append(interface)
if c["type"] == "TCPServerInterface":
device = c["device"] if "device" in c else None
port = int(c["port"]) if "port" in c else None
listen_ip = c["listen_ip"] if "listen_ip" in c else None
listen_port = int(c["listen_port"]) if "listen_port" in c else None
i2p_tunneled = c.as_bool("i2p_tunneled") if "i2p_tunneled" in c else False
if port != None:
listen_port = port
interface = TCPInterface.TCPServerInterface(
RNS.Transport,
name,
device,
listen_ip,
listen_port,
i2p_tunneled
)
if "outgoing" in c and c.as_bool("outgoing") == False:
interface.OUT = False
else:
interface.OUT = True
if interface_mode != Interface.Interface.MODE_FULL:
RNS.log(str(interface)+" does not support Access Point mode, reverting to default mode: Full", RNS.LOG_WARNING)
interface_mode = Interface.Interface.MODE_FULL
interface.mode = interface_mode
RNS.Transport.interfaces.append(interface)
if c["type"] == "TCPClientInterface":
kiss_framing = False
if "kiss_framing" in c and c.as_bool("kiss_framing") == True:
kiss_framing = True
i2p_tunneled = c.as_bool("i2p_tunneled") if "i2p_tunneled" in c else False
interface = TCPInterface.TCPClientInterface(
RNS.Transport,
name,
c["target_host"],
int(c["target_port"]),
kiss_framing = kiss_framing,
i2p_tunneled = i2p_tunneled
)
if "outgoing" in c and c.as_bool("outgoing") == False:
interface.OUT = False
else:
interface.OUT = True
if interface_mode != Interface.Interface.MODE_FULL:
RNS.log(str(interface)+" does not support Access Point mode, reverting to default mode: Full", RNS.LOG_WARNING)
interface_mode = Interface.Interface.MODE_FULL
interface.mode = interface_mode
RNS.Transport.interfaces.append(interface)
if c["type"] == "I2PInterface":
i2p_peers = c.as_list("peers") if "peers" in c else None
connectable = c.as_bool("connectable") if "connectable" in c else False
interface = I2PInterface.I2PInterface(
RNS.Transport,
name,
Reticulum.storagepath,
i2p_peers,
connectable = connectable,
)
if "outgoing" in c and c.as_bool("outgoing") == False:
interface.OUT = False
else:
interface.OUT = True
if interface_mode != Interface.Interface.MODE_FULL:
RNS.log(str(interface)+" does not support Access Point mode, reverting to default mode: Full", RNS.LOG_WARNING)
interface_mode = Interface.Interface.MODE_FULL
interface.mode = interface_mode
RNS.Transport.interfaces.append(interface)
if c["type"] == "SerialInterface":
port = c["port"] if "port" in c else None
speed = int(c["speed"]) if "speed" in c else 9600
databits = int(c["databits"]) if "databits" in c else 8
parity = c["parity"] if "parity" in c else "N"
stopbits = int(c["stopbits"]) if "stopbits" in c else 1
if port == None:
raise ValueError("No port specified for serial interface")
interface = SerialInterface.SerialInterface(
RNS.Transport,
name,
port,
speed,
databits,
parity,
stopbits
)
if "outgoing" in c and c.as_bool("outgoing") == False:
interface.OUT = False
else:
interface.OUT = True
interface.mode = interface_mode
RNS.Transport.interfaces.append(interface)
if c["type"] == "KISSInterface":
preamble = int(c["preamble"]) if "preamble" in c else None
txtail = int(c["txtail"]) if "txtail" in c else None
persistence = int(c["persistence"]) if "persistence" in c else None
slottime = int(c["slottime"]) if "slottime" in c else None
flow_control = c.as_bool("flow_control") if "flow_control" in c else False
port = c["port"] if "port" in c else None
speed = int(c["speed"]) if "speed" in c else 9600
databits = int(c["databits"]) if "databits" in c else 8
parity = c["parity"] if "parity" in c else "N"
stopbits = int(c["stopbits"]) if "stopbits" in c else 1
beacon_interval = int(c["id_interval"]) if "id_interval" in c else None
beacon_data = c["id_callsign"] if "id_callsign" in c else None
if port == None:
raise ValueError("No port specified for serial interface")
interface = KISSInterface.KISSInterface(
RNS.Transport,
name,
port,
speed,
databits,
parity,
stopbits,
preamble,
txtail,
persistence,
slottime,
flow_control,
beacon_interval,
beacon_data
)
if "outgoing" in c and c.as_bool("outgoing") == False:
interface.OUT = False
else:
interface.OUT = True
interface.mode = interface_mode
RNS.Transport.interfaces.append(interface)
if c["type"] == "AX25KISSInterface":
preamble = int(c["preamble"]) if "preamble" in c else None
txtail = int(c["txtail"]) if "txtail" in c else None
persistence = int(c["persistence"]) if "persistence" in c else None
slottime = int(c["slottime"]) if "slottime" in c else None
flow_control = c.as_bool("flow_control") if "flow_control" in c else False
port = c["port"] if "port" in c else None
speed = int(c["speed"]) if "speed" in c else 9600
databits = int(c["databits"]) if "databits" in c else 8
parity = c["parity"] if "parity" in c else "N"
stopbits = int(c["stopbits"]) if "stopbits" in c else 1
callsign = c["callsign"] if "callsign" in c else ""
ssid = int(c["ssid"]) if "ssid" in c else -1
if port == None:
raise ValueError("No port specified for serial interface")
interface = AX25KISSInterface.AX25KISSInterface(
RNS.Transport,
name,
callsign,
ssid,
port,
speed,
databits,
parity,
stopbits,
preamble,
txtail,
persistence,
slottime,
flow_control
)
if "outgoing" in c and c.as_bool("outgoing") == False:
interface.OUT = False
else:
interface.OUT = True
interface.mode = interface_mode
RNS.Transport.interfaces.append(interface)
if c["type"] == "RNodeInterface":
frequency = int(c["frequency"]) if "frequency" in c else None
bandwidth = int(c["bandwidth"]) if "bandwidth" in c else None
txpower = int(c["txpower"]) if "txpower" in c else None
spreadingfactor = int(c["spreadingfactor"]) if "spreadingfactor" in c else None
codingrate = int(c["codingrate"]) if "codingrate" in c else None
flow_control = c.as_bool("flow_control") if "flow_control" in c else False
id_interval = int(c["id_interval"]) if "id_interval" in c else None
id_callsign = c["id_callsign"] if "id_callsign" in c else None
port = c["port"] if "port" in c else None
if port == None:
raise ValueError("No port specified for RNode interface")
interface = RNodeInterface.RNodeInterface(
RNS.Transport,
name,
port,
frequency = frequency,
bandwidth = bandwidth,
txpower = txpower,
sf = spreadingfactor,
cr = codingrate,
flow_control = flow_control,
id_interval = id_interval,
id_callsign = id_callsign
)
if "outgoing" in c and c.as_bool("outgoing") == False:
interface.OUT = False
else:
interface.OUT = True
interface.mode = interface_mode
RNS.Transport.interfaces.append(interface)
else:
RNS.log("Skipping disabled interface \""+name+"\"", RNS.LOG_DEBUG)
except Exception as e:
RNS.log("The interface \""+name+"\" could not be created. Check your configuration file for errors!", RNS.LOG_ERROR)
RNS.log("The contained exception was: "+str(e), RNS.LOG_ERROR)
RNS.panic()
else:
RNS.log("The interface name \""+name+"\" was already used. Check your configuration file for errors!", RNS.LOG_ERROR)
RNS.panic()
RNS.log("System interfaces are ready", RNS.LOG_DEBUG)
def __create_default_config(self):
self.config = ConfigObj(__default_rns_config__)
self.config.filename = Reticulum.configpath
if not os.path.isdir(Reticulum.configdir):
os.makedirs(Reticulum.configdir)
self.config.write()
def rpc_loop(self):
while True:
try:
rpc_connection = self.rpc_listener.accept()
call = rpc_connection.recv()
if "get" in call:
path = call["get"]
if path == "interface_stats":
rpc_connection.send(self.get_interface_stats())
if path == "next_hop_if_name":
rpc_connection.send(self.get_next_hop_if_name(call["destination_hash"]))
if path == "next_hop":
rpc_connection.send(self.get_next_hop(call["destination_hash"]))
if path == "packet_rssi":
rpc_connection.send(self.get_packet_rssi(call["packet_hash"]))
if path == "packet_snr":
rpc_connection.send(self.get_packet_snr(call["packet_hash"]))
rpc_connection.close()
except Exception as e:
RNS.log("An error ocurred while handling RPC call from local client: "+str(e), RNS.LOG_ERROR)
def get_interface_stats(self):
if self.is_connected_to_shared_instance:
rpc_connection = multiprocessing.connection.Client(self.rpc_addr, authkey=self.rpc_key)
rpc_connection.send({"get": "interface_stats"})
response = rpc_connection.recv()
return response
else:
stats = []
for interface in RNS.Transport.interfaces:
ifstats = {}
if hasattr(interface, "clients"):
ifstats["clients"] = interface.clients
else:
ifstats["clients"] = None
if hasattr(interface, "b32"):
if interface.b32 != None:
ifstats["i2p_b32"] = interface.b32+".b32.i2p"
else:
ifstats["i2p_b32"] = None
ifstats["name"] = str(interface)
ifstats["rxb"] = interface.rxb
ifstats["txb"] = interface.txb
ifstats["status"] = interface.online
stats.append(ifstats)
return stats
def get_next_hop_if_name(self, destination):
if self.is_connected_to_shared_instance:
rpc_connection = multiprocessing.connection.Client(self.rpc_addr, authkey=self.rpc_key)
rpc_connection.send({"get": "next_hop_if_name", "destination_hash": destination})
response = rpc_connection.recv()
return response
else:
return str(RNS.Transport.next_hop_interface(destination))
def get_next_hop(self, destination):
if self.is_connected_to_shared_instance:
rpc_connection = multiprocessing.connection.Client(self.rpc_addr, authkey=self.rpc_key)
rpc_connection.send({"get": "next_hop", "destination_hash": destination})
response = rpc_connection.recv()
return response
else:
return RNS.Transport.next_hop(destination)
def get_packet_rssi(self, packet_hash):
if self.is_connected_to_shared_instance:
rpc_connection = multiprocessing.connection.Client(self.rpc_addr, authkey=self.rpc_key)
rpc_connection.send({"get": "packet_rssi", "packet_hash": packet_hash})
response = rpc_connection.recv()
return response
else:
for entry in RNS.Transport.local_client_rssi_cache:
if entry[0] == packet_hash:
return entry[1]
return None
def get_packet_snr(self, packet_hash):
if self.is_connected_to_shared_instance:
rpc_connection = multiprocessing.connection.Client(self.rpc_addr, authkey=self.rpc_key)
rpc_connection.send({"get": "packet_snr", "packet_hash": packet_hash})
response = rpc_connection.recv()
return response
else:
for entry in RNS.Transport.local_client_snr_cache:
if entry[0] == packet_hash:
return entry[1]
return None
@staticmethod
def should_use_implicit_proof():
"""
Returns whether proofs sent are explicit or implicit.
:returns: True if the current running configuration specifies to use implicit proofs. False if not.
"""
return Reticulum.__use_implicit_proof
@staticmethod
def transport_enabled():
"""
Returns whether Transport is enabled for the running
instance.
When Transport is enabled, Reticulum will
route traffic for other peers, respond to path requests
and pass announces over the network.
:returns: True if Transport is enabled, False if not.
"""
return Reticulum.__transport_enabled
# Default configuration file:
__default_rns_config__ = '''# This is the default Reticulum config file.
# You should probably edit it to include any additional,
# interfaces and settings you might need.
# Only the most basic options are included in this default
# configuration. To see a more verbose, and much longer,
# configuration example, you can run the command:
# rnsd --exampleconfig
[reticulum]
# If you enable Transport, your system will route traffic
# for other peers, pass announces and serve path requests.
# This should be done for systems that are suited to act
# as transport nodes, ie. if they are stationary and
# always-on. This directive is optional and can be removed
# for brevity.
enable_transport = False
# By default, the first program to launch the Reticulum
# Network Stack will create a shared instance, that other
# programs can communicate with. Only the shared instance
# opens all the configured interfaces directly, and other
# local programs communicate with the shared instance over
# a local socket. This is completely transparent to the
# user, and should generally be turned on. This directive
# is optional and can be removed for brevity.
share_instance = Yes
# If you want to run multiple *different* shared instances
# on the same system, you will need to specify different
# shared instance ports for each. The defaults are given
# below, and again, these options can be left out if you
# don't need them.
shared_instance_port = 37428
instance_control_port = 37429
# You can configure Reticulum to panic and forcibly close
# if an unrecoverable interface error occurs, such as the
# hardware device for an interface disappearing. This is
# an optional directive, and can be left out for brevity.
# This behaviour is disabled by default.
panic_on_interface_error = No
[logging]
# Valid log levels are 0 through 7:
# 0: Log only critical information
# 1: Log errors and lower log levels
# 2: Log warnings and lower log levels
# 3: Log notices and lower log levels
# 4: Log info and lower (this is the default)
# 5: Verbose logging
# 6: Debug logging
# 7: Extreme logging
loglevel = 4
# The interfaces section defines the physical and virtual
# interfaces Reticulum will use to communicate on. This
# section will contain examples for a variety of interface
# types. You can modify these or use them as a basis for
# your own config, or simply remove the unused ones.
[interfaces]
# This interface enables communication with other
# link-local Reticulum nodes over UDP. It does not
# need any functional IP infrastructure like routers
# or DHCP servers, but will require that at least link-
# local IPv6 is enabled in your operating system, which
# should be enabled by default in almost any OS. See
# the Reticulum Manual for more configuration options.
[[Default Interface]]
type = AutoInterface
interface_enabled = True
'''.splitlines()
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