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Improved announce logging

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This commit is contained in:
Mark Qvist 2022-04-20 09:04:12 +02:00
parent 93fa8e7240
commit 3d38ef27d4
1 changed files with 32 additions and 23 deletions
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55
RNS/Identity.py
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@ -184,33 +184,42 @@ class Identity:
@staticmethod
def validate_announce(packet):
if packet.packet_type == RNS.Packet.ANNOUNCE:
RNS.log("Validating announce from "+RNS.prettyhexrep(packet.destination_hash), RNS.LOG_DEBUG)
destination_hash = packet.destination_hash
public_key = packet.data[:Identity.KEYSIZE//8]
random_hash = packet.data[Identity.KEYSIZE//8:Identity.KEYSIZE//8+10]
signature = packet.data[Identity.KEYSIZE//8+10:Identity.KEYSIZE//8+10+Identity.KEYSIZE//8]
app_data = b""
if len(packet.data) > Identity.KEYSIZE//8+10+Identity.KEYSIZE//8:
app_data = packet.data[Identity.KEYSIZE//8+10+Identity.KEYSIZE//8:]
try:
if packet.packet_type == RNS.Packet.ANNOUNCE:
destination_hash = packet.destination_hash
public_key = packet.data[:Identity.KEYSIZE//8]
random_hash = packet.data[Identity.KEYSIZE//8:Identity.KEYSIZE//8+10]
signature = packet.data[Identity.KEYSIZE//8+10:Identity.KEYSIZE//8+10+Identity.KEYSIZE//8]
app_data = b""
if len(packet.data) > Identity.KEYSIZE//8+10+Identity.KEYSIZE//8:
app_data = packet.data[Identity.KEYSIZE//8+10+Identity.KEYSIZE//8:]
signed_data = destination_hash+public_key+random_hash+app_data
signed_data = destination_hash+public_key+random_hash+app_data
if not len(packet.data) > Identity.KEYSIZE//8+10+Identity.KEYSIZE//8:
app_data = None
if not len(packet.data) > Identity.KEYSIZE//8+10+Identity.KEYSIZE//8:
app_data = None
announced_identity = Identity(create_keys=False)
announced_identity.load_public_key(public_key)
announced_identity = Identity(create_keys=False)
announced_identity.load_public_key(public_key)
if announced_identity.pub != None and announced_identity.validate(signature, signed_data):
RNS.Identity.remember(packet.get_hash(), destination_hash, public_key, app_data)
RNS.log("Stored valid announce from "+RNS.prettyhexrep(destination_hash), RNS.LOG_DEBUG)
del announced_identity
return True
else:
RNS.log("Received invalid announce", RNS.LOG_DEBUG)
del announced_identity
return False
if announced_identity.pub != None and announced_identity.validate(signature, signed_data):
RNS.Identity.remember(packet.get_hash(), destination_hash, public_key, app_data)
del announced_identity
if hasattr(packet, "transport_id") and packet.transport_id != None:
RNS.log("Valid announce for "+RNS.prettyhexrep(destination_hash)+" received via "+RNS.prettyhexrep(packet.transport_id)+" on "+str(packet.receiving_interface), RNS.LOG_DEBUG)
else:
RNS.log("Valid announce for "+RNS.prettyhexrep(destination_hash)+" received on "+str(packet.receiving_interface), RNS.LOG_DEBUG)
return True
else:
RNS.log("Received invalid announce for "+RNS.prettyhexrep(destination_hash), RNS.LOG_DEBUG)
del announced_identity
return False
except Exception as e:
RNS.log("Error occurred while validating announce. The contained exception was: "+str(e), RNS.LOG_ERROR)
return False
@staticmethod
def exit_handler():