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Fixed AutoInterface peering hashes on WiFi devices that employ MAC address randomisation on reconnects and roaming

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This commit is contained in:
Mark Qvist 2022-10-19 11:57:09 +02:00
parent 5b1b18e84a
commit 81fc920bdf
1 changed files with 16 additions and 0 deletions
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16
RNS/Interfaces/AutoInterface.py
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@ -267,6 +267,22 @@ class AutoInterface(Interface):
RNS.log(str(self)+" removed peer "+str(peer_addr)+" on "+str(removed_peer[0]), RNS.LOG_DEBUG)
for ifname in self.adopted_interfaces:
# Check that the link-local address has not changed
try:
addresses = self.netifaces.ifaddresses(ifname)
if self.netifaces.AF_INET6 in addresses:
link_local_addr = None
for address in addresses[self.netifaces.AF_INET6]:
if "addr" in address:
if address["addr"].startswith("fe80:"):
link_local_addr = address["addr"].split("%")[0]
if link_local_addr != self.adopted_interfaces[ifname]:
self.adopted_interfaces[ifname] = link_local_addr
except Exception as e:
RNS.log("Could not get device information while updating link-local addresses for "+str(self)+". The contained exception was: "+str(e), RNS.LOG_ERROR)
# Check multicast echo timeouts
last_multicast_echo = 0
if ifname in self.multicast_echoes:
last_multicast_echo = self.multicast_echoes[ifname]