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Fixed link request handling with invalid link mode

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This commit is contained in:
Mark Qvist 2025-07-13 13:05:37 +02:00
parent eaec9a493b
commit 6f9a9a7ad9
1 changed files with 16 additions and 8 deletions
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24
RNS/Transport.py
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@ -1379,10 +1379,14 @@ class Transport:
new_raw = new_raw[:-RNS.Link.LINK_MTU_SIZE]
else:
if nh_mtu < path_mtu:
path_mtu = nh_mtu
clamped_mtu = RNS.Link.signalling_bytes(path_mtu, mode)
RNS.log(f"Clamping link MTU to {RNS.prettysize(nh_mtu)}", RNS.LOG_DEBUG) # TODO: Remove debug
new_raw = new_raw[:-RNS.Link.LINK_MTU_SIZE]+clamped_mtu
try:
path_mtu = nh_mtu
clamped_mtu = RNS.Link.signalling_bytes(path_mtu, mode)
RNS.log(f"Clamping link MTU to {RNS.prettysize(nh_mtu)}", RNS.LOG_DEBUG) # TODO: Remove debug
new_raw = new_raw[:-RNS.Link.LINK_MTU_SIZE]+clamped_mtu
except Exception as e:
RNS.log(f"Dropping link request packet. The contained exception was: {e}", RNS.LOG_WARNING)
return
# Entry format is
link_entry = [ now, # 0: Timestamp,
@ -1847,10 +1851,14 @@ class Transport:
packet.data = packet.data[:-RNS.Link.LINK_MTU_SIZE]
else:
if nh_mtu < path_mtu:
path_mtu = nh_mtu
clamped_mtu = RNS.Link.signalling_bytes(path_mtu, mode)
RNS.log(f"Clamping link MTU to {RNS.prettysize(nh_mtu)}", RNS.LOG_DEBUG) # TODO: Remove debug
packet.data = packet.data[:-RNS.Link.LINK_MTU_SIZE]+clamped_mtu
try:
path_mtu = nh_mtu
clamped_mtu = RNS.Link.signalling_bytes(path_mtu, mode)
RNS.log(f"Clamping link MTU to {RNS.prettysize(nh_mtu)}", RNS.LOG_DEBUG) # TODO: Remove debug
packet.data = packet.data[:-RNS.Link.LINK_MTU_SIZE]+clamped_mtu
except Exception as e:
RNS.log(f"Dropping link request packet to local destination. The contained exception was: {e}", RNS.LOG_WARNING)
return
packet.destination = destination
destination.receive(packet)