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Stamp validation on incoming propagation node transfers

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This commit is contained in:
Mark Qvist 2025-10-31 02:19:24 +01:00
commit 9c646aead7
2 changed files with 48 additions and 52 deletions
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21
LXMF/LXMRouter.py
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@ -2000,10 +2000,13 @@ class LXMRouter:
#######################################
# TODO: Check propagation stamps here #
#######################################
stamps_valid = False
target_cost = max(0, self.propagation_stamp_cost-self.propagation_stamp_cost_flexibility)
validated_messages = LXStamper.validate_pn_stamps(messages, target_cost)
for lxmf_data in messages:
self.lxmf_propagation(lxmf_data)
for validated_entry in validated_messages:
lxmf_data = validated_entry[1]
stamp_value = validated_entry[2]
self.lxmf_propagation(lxmf_data, stamp_value=stamp_value)
self.client_propagation_messages_received += 1
if stamps_valid: packet.prove()
@ -2093,10 +2096,14 @@ class LXMRouter:
#######################################
# TODO: Check propagation stamps here #
#######################################
target_cost = max(0, self.propagation_stamp_cost-self.propagation_stamp_cost_flexibility)
validated_messages = LXStamper.validate_pn_stamps(messages, target_cost)
for lxmf_data in messages:
peer = None
transient_id = RNS.Identity.full_hash(lxmf_data)
for validated_entry in validated_messages:
transient_id = validated_entry[0]
lxmf_data = validated_entry[1]
stamp_value = validated_entry[2]
peer = None
if remote_hash != None and remote_hash in self.peers:
peer = self.peers[remote_hash]
@ -2109,7 +2116,7 @@ class LXMRouter:
else:
self.client_propagation_messages_received += 1
self.lxmf_propagation(lxmf_data, from_peer=peer)
self.lxmf_propagation(lxmf_data, from_peer=peer, stamp_value=stamp_value)
if peer != None: peer.queue_handled_message(transient_id)
else: