Made running Transport a config choice
This commit is contained in:
Mark Qvist
parent
b78e0e9ec0
commit
1391c9ef3b
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@ -96,7 +96,8 @@ def client(destination_hexhash, configpath, timeout=None):
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# We override the loglevel to provide feedback when
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# an announce is received
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RNS.loglevel = RNS.LOG_INFO
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if RNS.loglevel < RNS.LOG_INFO:
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RNS.loglevel = RNS.LOG_INFO
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# Tell the user that the client is ready!
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RNS.log("Echo client ready, hit enter to send echo request to "+destination_hexhash+" (Ctrl-C to quit)")
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@ -40,6 +40,7 @@ class Reticulum:
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Reticulum.cachepath = Reticulum.configdir+"/storage/cache"
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Reticulum.__allow_unencrypted = False
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Reticulum.__transport_enabled = False
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Reticulum.__use_implicit_proof = True
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if not os.path.isdir(Reticulum.storagepath):
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@ -60,7 +61,6 @@ class Reticulum:
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self.applyConfig()
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RNS.Identity.loadKnownDestinations()
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Reticulum.router = self
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RNS.Transport.start()
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@ -80,22 +80,28 @@ class Reticulum:
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if "reticulum" in self.config:
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for option in self.config["reticulum"]:
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value = self.config["reticulum"][option]
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if option == "enable_transport":
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v = self.config["reticulum"].as_bool(option)
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if v == True:
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Reticulum.__transport_enabled = True
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if option == "use_implicit_proof":
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if value == "true":
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v = self.config["reticulum"].as_bool(option)
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if v == True:
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Reticulum.__use_implicit_proof = True
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if value == "false":
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if v == False:
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Reticulum.__use_implicit_proof = False
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if option == "allow_unencrypted":
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if value == "true":
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v = self.config["reticulum"].as_bool(option)
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if v == True:
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RNS.log("", RNS.LOG_CRITICAL)
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RNS.log("! ! !", RNS.LOG_CRITICAL)
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RNS.log("! ! ! ! ! ! ! ! !", RNS.LOG_CRITICAL)
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RNS.log("", RNS.LOG_CRITICAL)
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RNS.log("Danger! Encryptionless links have been allowed in the config file!", RNS.LOG_CRITICAL)
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RNS.log("Beware of the consequences! Any data sent over a link can potentially be intercepted,", RNS.LOG_CRITICAL)
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RNS.log("read and modified! If you are not absolutely sure that you want this,", RNS.LOG_CRITICAL)
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RNS.log("you should exit Reticulum NOW and change your config file!", RNS.LOG_CRITICAL)
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RNS.log("", RNS.LOG_CRITICAL)
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RNS.log("! ! !", RNS.LOG_CRITICAL)
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RNS.log("! ! ! ! ! ! ! ! !", RNS.LOG_CRITICAL)
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RNS.log("", RNS.LOG_CRITICAL)
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Reticulum.__allow_unencrypted = True
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@ -286,6 +292,10 @@ class Reticulum:
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def should_use_implicit_proof():
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return Reticulum.__use_implicit_proof
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@staticmethod
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def transport_enabled():
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return Reticulum.__transport_enabled
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# Default configuration file:
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__default_rns_config__ = '''# This is the default Reticulum config file.
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# You should probably edit it to include any additional,
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239
RNS/Transport.py
239
RNS/Transport.py
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@ -90,15 +90,17 @@ class Transport:
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except Exception as e:
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RNS.log("Could not load packet hashlist from disk, the contained exception was: "+str(e), RNS.LOG_ERROR)
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# Create transport-specific destinations
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path_request_destination = RNS.Destination(None, RNS.Destination.IN, RNS.Destination.PLAIN, Transport.APP_NAME, "path", "request")
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path_request_destination.packet_callback(Transport.pathRequestHandler)
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if RNS.Reticulum.transport_enabled():
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# Create transport-specific destinations
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path_request_destination = RNS.Destination(None, RNS.Destination.IN, RNS.Destination.PLAIN, Transport.APP_NAME, "path", "request")
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path_request_destination.packet_callback(Transport.pathRequestHandler)
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thread = threading.Thread(target=Transport.jobloop)
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thread.setDaemon(True)
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thread.start()
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RNS.log("Transport instance "+str(Transport.identity)+" started")
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if RNS.Reticulum.transport_enabled():
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RNS.log("Transport instance "+str(Transport.identity)+" started")
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@staticmethod
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def jobloop():
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@ -123,34 +125,35 @@ class Transport:
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Transport.receipts_last_checked = time.time()
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# Process announces needing retransmission
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if time.time() > Transport.announces_last_checked+Transport.announces_check_interval:
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for destination_hash in Transport.announce_table:
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announce_entry = Transport.announce_table[destination_hash]
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if announce_entry[2] > Transport.PATHFINDER_R:
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RNS.log("Dropping announce for "+RNS.prettyhexrep(destination_hash)+", retries exceeded", RNS.LOG_DEBUG)
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Transport.announce_table.pop(destination_hash)
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break
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else:
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if time.time() > announce_entry[1]:
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announce_entry[1] = time.time() + math.pow(Transport.PATHFINDER_C, announce_entry[4]) + Transport.PATHFINDER_T + Transport.PATHFINDER_RW
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announce_entry[2] += 1
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packet = announce_entry[5]
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block_rebroadcasts = announce_entry[7]
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announce_context = RNS.Packet.NONE
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if block_rebroadcasts:
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announce_context = RNS.Packet.PATH_RESPONSE
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announce_data = packet.data
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announce_identity = RNS.Identity.recall(packet.destination_hash)
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announce_destination = RNS.Destination(announce_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, "unknown", "unknown");
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announce_destination.hash = packet.destination_hash
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announce_destination.hexhash = announce_destination.hash.hex()
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new_packet = RNS.Packet(announce_destination, announce_data, RNS.Packet.ANNOUNCE, context = announce_context, header_type = RNS.Packet.HEADER_2, transport_type = Transport.TRANSPORT, transport_id = Transport.identity.hash)
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new_packet.hops = announce_entry[4]
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RNS.log("Rebroadcasting announce for "+RNS.prettyhexrep(announce_destination.hash)+" with hop count "+str(new_packet.hops), RNS.LOG_DEBUG)
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outgoing.append(new_packet)
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if RNS.Reticulum.transport_enabled():
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# Process announces needing retransmission
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if time.time() > Transport.announces_last_checked+Transport.announces_check_interval:
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for destination_hash in Transport.announce_table:
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announce_entry = Transport.announce_table[destination_hash]
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if announce_entry[2] > Transport.PATHFINDER_R:
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RNS.log("Dropping announce for "+RNS.prettyhexrep(destination_hash)+", retries exceeded", RNS.LOG_DEBUG)
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Transport.announce_table.pop(destination_hash)
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break
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else:
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if time.time() > announce_entry[1]:
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announce_entry[1] = time.time() + math.pow(Transport.PATHFINDER_C, announce_entry[4]) + Transport.PATHFINDER_T + Transport.PATHFINDER_RW
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announce_entry[2] += 1
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packet = announce_entry[5]
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block_rebroadcasts = announce_entry[7]
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announce_context = RNS.Packet.NONE
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if block_rebroadcasts:
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announce_context = RNS.Packet.PATH_RESPONSE
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announce_data = packet.data
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announce_identity = RNS.Identity.recall(packet.destination_hash)
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announce_destination = RNS.Destination(announce_identity, RNS.Destination.OUT, RNS.Destination.SINGLE, "unknown", "unknown");
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announce_destination.hash = packet.destination_hash
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announce_destination.hexhash = announce_destination.hash.hex()
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new_packet = RNS.Packet(announce_destination, announce_data, RNS.Packet.ANNOUNCE, context = announce_context, header_type = RNS.Packet.HEADER_2, transport_type = Transport.TRANSPORT, transport_id = Transport.identity.hash)
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new_packet.hops = announce_entry[4]
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RNS.log("Rebroadcasting announce for "+RNS.prettyhexrep(announce_destination.hash)+" with hop count "+str(new_packet.hops), RNS.LOG_DEBUG)
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outgoing.append(new_packet)
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Transport.announces_last_checked = time.time()
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Transport.announces_last_checked = time.time()
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# Cull the packet hashlist if it has reached max size
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@ -170,7 +173,7 @@ class Transport:
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if time.time() > link_entry[0] + Transport.LINK_TIMEOUT:
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Transport.link_table.pop(link_id)
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# Cull the destination table in some way
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# Cull the destination table
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for destination_hash in Transport.destination_table:
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destination_entry = Transport.destination_table[destination_hash]
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if time.time() > destination_entry[0] + Transport.DESTINATION_TIMEOUT:
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@ -295,95 +298,96 @@ class Transport:
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# General transport handling. Takes care of directing
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# packets according to transport tables and recording
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# entries in reverse and link tables.
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if packet.transport_id != None and packet.packet_type != RNS.Packet.ANNOUNCE:
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if packet.transport_id == Transport.identity.hash:
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RNS.log("Received packet in transport for "+RNS.prettyhexrep(packet.destination_hash)+" with matching transport ID, transporting it...", RNS.LOG_DEBUG)
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if packet.destination_hash in Transport.destination_table:
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next_hop = Transport.destination_table[packet.destination_hash][1]
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remaining_hops = Transport.destination_table[packet.destination_hash][2]
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RNS.log("Next hop to destination is "+RNS.prettyhexrep(next_hop)+" with "+str(remaining_hops)+" hops remaining, transporting it.", RNS.LOG_DEBUG)
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if remaining_hops > 1:
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# Just increase hop count and transmit
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new_raw = packet.raw[0:1]
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new_raw += struct.pack("!B", packet.hops)
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new_raw += next_hop
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new_raw += packet.raw[12:]
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else:
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# Strip transport headers and transmit
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new_flags = (RNS.Packet.HEADER_1) << 6 | (Transport.BROADCAST) << 4 | (packet.flags & 0b00001111)
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new_raw = struct.pack("!B", new_flags)
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new_raw += struct.pack("!B", packet.hops)
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new_raw += packet.raw[12:]
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if RNS.Reticulum.transport_enabled():
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if packet.transport_id != None and packet.packet_type != RNS.Packet.ANNOUNCE:
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if packet.transport_id == Transport.identity.hash:
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RNS.log("Received packet in transport for "+RNS.prettyhexrep(packet.destination_hash)+" with matching transport ID, transporting it...", RNS.LOG_DEBUG)
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if packet.destination_hash in Transport.destination_table:
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next_hop = Transport.destination_table[packet.destination_hash][1]
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remaining_hops = Transport.destination_table[packet.destination_hash][2]
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RNS.log("Next hop to destination is "+RNS.prettyhexrep(next_hop)+" with "+str(remaining_hops)+" hops remaining, transporting it.", RNS.LOG_DEBUG)
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if remaining_hops > 1:
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# Just increase hop count and transmit
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new_raw = packet.raw[0:1]
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new_raw += struct.pack("!B", packet.hops)
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new_raw += next_hop
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new_raw += packet.raw[12:]
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else:
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# Strip transport headers and transmit
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new_flags = (RNS.Packet.HEADER_1) << 6 | (Transport.BROADCAST) << 4 | (packet.flags & 0b00001111)
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new_raw = struct.pack("!B", new_flags)
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new_raw += struct.pack("!B", packet.hops)
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new_raw += packet.raw[12:]
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outbound_interface = Transport.destination_table[packet.destination_hash][5]
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outbound_interface.processOutgoing(new_raw)
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Transport.destination_table[packet.destination_hash][0] = time.time()
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outbound_interface = Transport.destination_table[packet.destination_hash][5]
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outbound_interface.processOutgoing(new_raw)
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Transport.destination_table[packet.destination_hash][0] = time.time()
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if packet.packet_type == RNS.Packet.LINKREQUEST:
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# Entry format is
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link_entry = [ time.time(), # 0: Timestamp,
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next_hop, # 1: Next-hop transport ID
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outbound_interface, # 2: Next-hop interface
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remaining_hops, # 3: Remaining hops
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packet.receiving_interface, # 4: Received on interface
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packet.hops, # 5: Taken hops
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packet.destination_hash, # 6: Original destination hash
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False] # 7: Validated
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if packet.packet_type == RNS.Packet.LINKREQUEST:
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# Entry format is
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link_entry = [ time.time(), # 0: Timestamp,
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next_hop, # 1: Next-hop transport ID
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outbound_interface, # 2: Next-hop interface
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remaining_hops, # 3: Remaining hops
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packet.receiving_interface, # 4: Received on interface
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packet.hops, # 5: Taken hops
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packet.destination_hash, # 6: Original destination hash
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False] # 7: Validated
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Transport.link_table[packet.getTruncatedHash()] = link_entry
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Transport.link_table[packet.getTruncatedHash()] = link_entry
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else:
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# Entry format is
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reverse_entry = [ packet.receiving_interface, # 0: Received on interface
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outbound_interface, # 1: Outbound interface
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time.time()] # 2: Timestamp
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Transport.reverse_table[packet.getTruncatedHash()] = reverse_entry
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else:
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# Entry format is
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reverse_entry = [ packet.receiving_interface, # 0: Received on interface
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outbound_interface, # 1: Outbound interface
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time.time()] # 2: Timestamp
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Transport.reverse_table[packet.getTruncatedHash()] = reverse_entry
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else:
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# TODO: There should probably be some kind of REJECT
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# mechanism here, to signal to the source that their
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# expected path failed
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RNS.log("Got packet in transport, but no known path to final destination. Dropping packet.", RNS.LOG_DEBUG)
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else:
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pass
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# Link transport handling. Directs packetes according
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# to entries in the link tables
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if packet.packet_type != RNS.Packet.ANNOUNCE and packet.packet_type != RNS.Packet.LINKREQUEST:
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if packet.destination_hash in Transport.link_table:
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link_entry = Transport.link_table[packet.destination_hash]
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# If receiving and outbound interface is
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# the same for this link, direction doesn't
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# matter, and we simply send the packet on.
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outbound_interface = None
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if link_entry[2] == link_entry[4]:
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# But check that taken hops matches one
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# of the expectede values.
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if packet.hops == link_entry[3] or packet.hops == link_entry[5]:
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outbound_interface = link_entry[2]
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else:
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# If interfaces differ, we transmit on
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# the opposite interface of what the
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# packet was received on.
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if packet.receiving_interface == link_entry[2]:
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# Also check that expected hop count matches
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if packet.hops == link_entry[3]:
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outbound_interface = link_entry[4]
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elif packet.receiving_interface == link_entry[4]:
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# Also check that expected hop count matches
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if packet.hops == link_entry[5]:
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outbound_interface = link_entry[2]
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if outbound_interface != None:
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new_raw = packet.raw[0:1]
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new_raw += struct.pack("!B", packet.hops)
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new_raw += packet.raw[2:]
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outbound_interface.processOutgoing(new_raw)
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Transport.link_table[packet.destination_hash][0] = time.time()
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# TODO: There should probably be some kind of REJECT
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# mechanism here, to signal to the source that their
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# expected path failed
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RNS.log("Got packet in transport, but no known path to final destination. Dropping packet.", RNS.LOG_DEBUG)
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else:
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pass
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# Link transport handling. Directs packets according
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# to entries in the link tables
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if packet.packet_type != RNS.Packet.ANNOUNCE and packet.packet_type != RNS.Packet.LINKREQUEST:
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if packet.destination_hash in Transport.link_table:
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link_entry = Transport.link_table[packet.destination_hash]
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# If receiving and outbound interface is
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# the same for this link, direction doesn't
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# matter, and we simply send the packet on.
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outbound_interface = None
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if link_entry[2] == link_entry[4]:
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# But check that taken hops matches one
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# of the expectede values.
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if packet.hops == link_entry[3] or packet.hops == link_entry[5]:
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outbound_interface = link_entry[2]
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else:
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# If interfaces differ, we transmit on
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# the opposite interface of what the
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# packet was received on.
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if packet.receiving_interface == link_entry[2]:
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# Also check that expected hop count matches
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if packet.hops == link_entry[3]:
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outbound_interface = link_entry[4]
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elif packet.receiving_interface == link_entry[4]:
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# Also check that expected hop count matches
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if packet.hops == link_entry[5]:
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outbound_interface = link_entry[2]
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if outbound_interface != None:
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new_raw = packet.raw[0:1]
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new_raw += struct.pack("!B", packet.hops)
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new_raw += packet.raw[2:]
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outbound_interface.processOutgoing(new_raw)
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Transport.link_table[packet.destination_hash][0] = time.time()
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else:
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pass
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# Announce handling. Handles logic related to incoming
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# announces, queueing rebroadcasts of these, and removal
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@ -397,7 +401,7 @@ class Transport:
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# Check if this is a next retransmission from
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# another node. If it is, we're removing the
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# announce in question from our pending table
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if packet.destination_hash in Transport.announce_table:
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if RNS.Reticulum.transport_enabled() and packet.destination_hash in Transport.announce_table:
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announce_entry = Transport.announce_table[packet.destination_hash]
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if packet.hops-1 == announce_entry[4]:
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@ -472,7 +476,7 @@ class Transport:
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random_blobs.append(random_blob)
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retransmit_timeout = now + math.pow(Transport.PATHFINDER_C, packet.hops) + (RNS.rand() * Transport.PATHFINDER_RW)
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if packet.context != RNS.Packet.PATH_RESPONSE:
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if RNS.Reticulum.transport_enabled() and packet.context != RNS.Packet.PATH_RESPONSE:
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Transport.announce_table[packet.destination_hash] = [now, retransmit_timeout, retries, received_from, packet.hops, packet, local_rebroadcasts, block_rebroadcasts]
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Transport.destination_table[packet.destination_hash] = [now, received_from, packet.hops, expires, random_blobs, packet.receiving_interface, packet]
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@ -509,7 +513,7 @@ class Transport:
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# This is a link request proof, check if it
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# needs to be transported
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if packet.destination_hash in Transport.link_table:
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if RNS.Reticulum.transport_enabled() and packet.destination_hash in Transport.link_table:
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link_entry = Transport.link_table[packet.destination_hash]
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if packet.receiving_interface == link_entry[2]:
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# TODO: Should we validate the LR proof at each transport
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@ -538,7 +542,6 @@ class Transport:
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for link in Transport.active_links:
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if link.link_id == packet.destination_hash:
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packet.link = link
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||||
# plaintext = link.decrypt(packet.data)
|
||||
|
||||
if len(packet.data) == RNS.PacketReceipt.EXPL_LENGTH:
|
||||
proof_hash = packet.data[:RNS.Identity.HASHLENGTH//8]
|
||||
|
|
@ -546,7 +549,7 @@ class Transport:
|
|||
proof_hash = None
|
||||
|
||||
# Check if this proof neds to be transported
|
||||
if packet.destination_hash in Transport.reverse_table:
|
||||
if RNS.Reticulum.transport_enabled() and packet.destination_hash in Transport.reverse_table:
|
||||
reverse_entry = Transport.reverse_table.pop(packet.destination_hash)
|
||||
if packet.receiving_interface == reverse_entry[1]:
|
||||
RNS.log("Proof received on correct interface, transporting it via "+str(reverse_entry[0]), RNS.LOG_DEBUG)
|
||||
|
|
|
|||
Loading…
Reference in New Issue