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https://github.com/markqvist/Reticulum.git
synced 2024-11-23 06:00:18 +00:00
Implemented app_data recall from announces, better destination registration handling and link inactivity querying.
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parent
54206d9101
commit
51ab2d3488
@ -43,12 +43,24 @@ class Identity:
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identity_data = Identity.known_destinations[destination_hash]
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identity_data = Identity.known_destinations[destination_hash]
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identity = Identity(public_only=True)
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identity = Identity(public_only=True)
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identity.loadPublicKey(identity_data[2])
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identity.loadPublicKey(identity_data[2])
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identity.app_data = identity_data[3]
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RNS.log("Found "+RNS.prettyhexrep(destination_hash)+" in known destinations", RNS.LOG_EXTREME)
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RNS.log("Found "+RNS.prettyhexrep(destination_hash)+" in known destinations", RNS.LOG_EXTREME)
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return identity
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return identity
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else:
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else:
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RNS.log("Could not find "+RNS.prettyhexrep(destination_hash)+" in known destinations", RNS.LOG_EXTREME)
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RNS.log("Could not find "+RNS.prettyhexrep(destination_hash)+" in known destinations", RNS.LOG_EXTREME)
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return None
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return None
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@staticmethod
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def recall_app_data(destination_hash):
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RNS.log("Searching for app_data for "+RNS.prettyhexrep(destination_hash)+"...", RNS.LOG_EXTREME)
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if destination_hash in Identity.known_destinations:
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app_data = Identity.known_destinations[destination_hash][3]
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RNS.log("Found "+RNS.prettyhexrep(destination_hash)+" app_data in known destinations", RNS.LOG_EXTREME)
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return app_data
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else:
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RNS.log("Could not find "+RNS.prettyhexrep(destination_hash)+" app_data in known destinations", RNS.LOG_EXTREME)
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return None
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@staticmethod
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@staticmethod
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def saveKnownDestinations():
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def saveKnownDestinations():
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RNS.log("Saving known destinations to storage...", RNS.LOG_VERBOSE)
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RNS.log("Saving known destinations to storage...", RNS.LOG_VERBOSE)
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@ -79,10 +91,6 @@ class Identity:
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@staticmethod
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@staticmethod
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def truncatedHash(data):
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def truncatedHash(data):
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# TODO: Remove
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# digest = hashes.Hash(hashes.SHA256(), backend=default_backend())
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# digest.update(data)
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return Identity.fullHash(data)[:(Identity.TRUNCATED_HASHLENGTH//8)]
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return Identity.fullHash(data)[:(Identity.TRUNCATED_HASHLENGTH//8)]
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@staticmethod
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@staticmethod
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@ -103,11 +111,14 @@ class Identity:
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signed_data = destination_hash+public_key+random_hash+app_data
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signed_data = destination_hash+public_key+random_hash+app_data
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if not len(packet.data) > Identity.DERKEYSIZE//8+20+Identity.KEYSIZE//8:
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app_data = None
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announced_identity = Identity(public_only=True)
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announced_identity = Identity(public_only=True)
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announced_identity.loadPublicKey(public_key)
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announced_identity.loadPublicKey(public_key)
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if announced_identity.pub != None and announced_identity.validate(signature, signed_data):
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if announced_identity.pub != None and announced_identity.validate(signature, signed_data):
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RNS.Identity.remember(packet.getHash(), destination_hash, public_key)
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RNS.Identity.remember(packet.getHash(), destination_hash, public_key, app_data)
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RNS.log("Stored valid announce from "+RNS.prettyhexrep(destination_hash), RNS.LOG_DEBUG)
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RNS.log("Stored valid announce from "+RNS.prettyhexrep(destination_hash), RNS.LOG_DEBUG)
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del announced_identity
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del announced_identity
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return True
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return True
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@ -238,6 +238,9 @@ class Link:
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def getContext(self):
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def getContext(self):
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return None
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return None
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def inactive_for(self):
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return min(time.time() - self.last_inbound, time.time() - self.last_outbound)
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def teardown(self):
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def teardown(self):
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if self.status != Link.PENDING and self.status != Link.CLOSED:
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if self.status != Link.PENDING and self.status != Link.CLOSED:
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teardown_packet = RNS.Packet(self, self.link_id, context=RNS.Packet.LINKCLOSE)
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teardown_packet = RNS.Packet(self, self.link_id, context=RNS.Packet.LINKCLOSE)
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@ -331,6 +334,7 @@ class Link:
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if sleep_time == None or sleep_time < 0:
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if sleep_time == None or sleep_time < 0:
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RNS.log("Timing error! Tearing down link "+str(self)+" now.", RNS.LOG_ERROR)
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RNS.log("Timing error! Tearing down link "+str(self)+" now.", RNS.LOG_ERROR)
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self.teardown()
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self.teardown()
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sleep_time = 0.1
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sleep(sleep_time)
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sleep(sleep_time)
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@ -454,7 +458,10 @@ class Link:
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return plaintext
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return plaintext
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except Exception as e:
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except Exception as e:
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RNS.log("Decryption failed on link "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
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RNS.log("Decryption failed on link "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
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traceback.print_exc()
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RNS.log(traceback.format_exc(), RNS.LOG_ERROR)
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# TODO: Do we really need to do this? Or can we recover somehow?
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self.teardown()
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def sign(self, message):
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def sign(self, message):
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return self.prv.sign(message, ec.ECDSA(hashes.SHA256()))
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return self.prv.sign(message, ec.ECDSA(hashes.SHA256()))
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@ -111,8 +111,6 @@ class Resource:
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return resource
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return resource
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except Exception as e:
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except Exception as e:
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RNS.log("Could not decode resource advertisement, dropping resource", RNS.LOG_DEBUG)
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RNS.log("Could not decode resource advertisement, dropping resource", RNS.LOG_DEBUG)
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# TODO: Remove
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raise e
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return None
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return None
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# Create a resource for transmission to a remote destination
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# Create a resource for transmission to a remote destination
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@ -446,6 +446,7 @@ class Transport:
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@staticmethod
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@staticmethod
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def inbound(raw, interface=None):
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def inbound(raw, interface=None):
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while (Transport.jobs_running):
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while (Transport.jobs_running):
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# TODO: Decrease this for performance
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sleep(0.1)
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sleep(0.1)
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Transport.jobs_locked = True
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Transport.jobs_locked = True
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@ -849,6 +850,9 @@ class Transport:
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def registerDestination(destination):
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def registerDestination(destination):
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destination.MTU = RNS.Reticulum.MTU
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destination.MTU = RNS.Reticulum.MTU
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if destination.direction == RNS.Destination.IN:
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if destination.direction == RNS.Destination.IN:
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for registered_destination in Transport.destinations:
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if destination.hash == registered_destination.hash:
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raise KeyError("Attempt to register an already registered destination.")
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Transport.destinations.append(destination)
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Transport.destinations.append(destination)
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@staticmethod
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@staticmethod
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