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Added resource HMU/part request hash filter. Fixes #7.

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Mark Qvist 2021-09-02 14:44:53 +02:00
parent 0c96508cca
commit 40f7a6d359
3 changed files with 7 additions and 2 deletions
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6
RNS/Link.py
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@ -651,7 +651,11 @@ class Link:
resource_hash = plaintext[1:RNS.Identity.HASHLENGTH//8+1]
for resource in self.outgoing_resources:
if resource.hash == resource_hash:
resource.request(plaintext)
# We need to check that this request has not been
# received before in order to avoid sequencing errors.
if not packet.packet_hash in resource.req_hashlist:
resource.req_hashlist.append(packet.packet_hash)
resource.request(plaintext)
elif packet.context == RNS.Packet.RESOURCE_HMU:
plaintext = self.decrypt(packet.data)