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

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This commit is contained in:
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] resource_hash = plaintext[1:RNS.Identity.HASHLENGTH//8+1]
for resource in self.outgoing_resources: for resource in self.outgoing_resources:
if resource.hash == resource_hash: 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: elif packet.context == RNS.Packet.RESOURCE_HMU:
plaintext = self.decrypt(packet.data) plaintext = self.decrypt(packet.data)

1
RNS/Resource.py
View File

@ -192,6 +192,7 @@ class Resource:
self.request_id = request_id self.request_id = request_id
self.is_response = is_response self.is_response = is_response
self.req_hashlist = []
self.receiver_min_consecutive_height = 0 self.receiver_min_consecutive_height = 0
if timeout != None: if timeout != None:

2
RNS/_version.py
View File

@ -1 +1 @@
__version__ = "0.2.3" __version__ = "0.2.4"