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Fixed missing check on malformed advertisement packets

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Mark Qvist 2024-01-13 16:36:11 +01:00
parent 8fa6ec144c
commit 038c696db9
1 changed files with 24 additions and 22 deletions
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46
RNS/Link.py
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@ -835,10 +835,11 @@ class Link:
for pending_request in self.pending_requests: for pending_request in self.pending_requests:
if pending_request.request_id == request_id: if pending_request.request_id == request_id:
response_resource = RNS.Resource.accept(packet, callback=self.response_resource_concluded, progress_callback=pending_request.response_resource_progress, request_id = request_id) response_resource = RNS.Resource.accept(packet, callback=self.response_resource_concluded, progress_callback=pending_request.response_resource_progress, request_id = request_id)
pending_request.response_size = RNS.ResourceAdvertisement.read_size(packet) if response_resource != None:
pending_request.response_transfer_size = RNS.ResourceAdvertisement.read_transfer_size(packet) pending_request.response_size = RNS.ResourceAdvertisement.read_size(packet)
pending_request.started_at = time.time() pending_request.response_transfer_size = RNS.ResourceAdvertisement.read_transfer_size(packet)
pending_request.response_resource_progress(response_resource) pending_request.started_at = time.time()
pending_request.response_resource_progress(response_resource)
elif self.resource_strategy == Link.ACCEPT_NONE: elif self.resource_strategy == Link.ACCEPT_NONE:
pass pass
@ -1173,25 +1174,26 @@ class RequestReceipt():
def response_resource_progress(self, resource): def response_resource_progress(self, resource):
if not self.status == RequestReceipt.FAILED: if resource != None:
self.status = RequestReceipt.RECEIVING if not self.status == RequestReceipt.FAILED:
if self.packet_receipt != None: self.status = RequestReceipt.RECEIVING
if self.packet_receipt.status != RNS.PacketReceipt.DELIVERED: if self.packet_receipt != None:
self.packet_receipt.status = RNS.PacketReceipt.DELIVERED if self.packet_receipt.status != RNS.PacketReceipt.DELIVERED:
self.packet_receipt.proved = True self.packet_receipt.status = RNS.PacketReceipt.DELIVERED
self.packet_receipt.concluded_at = time.time() self.packet_receipt.proved = True
if self.packet_receipt.callbacks.delivery != None: self.packet_receipt.concluded_at = time.time()
self.packet_receipt.callbacks.delivery(self.packet_receipt) if self.packet_receipt.callbacks.delivery != None:
self.packet_receipt.callbacks.delivery(self.packet_receipt)
self.progress = resource.get_progress() self.progress = resource.get_progress()
if self.callbacks.progress != None: if self.callbacks.progress != None:
try: try:
self.callbacks.progress(self) self.callbacks.progress(self)
except Exception as e: except Exception as e:
RNS.log("Error while executing response progress callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR) RNS.log("Error while executing response progress callback from "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
else: else:
resource.cancel() resource.cancel()
def response_received(self, response): def response_received(self, response):