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Closes #1360: validate knownnodes received from the network

This commit is contained in:
Dmitri Bogomolov 2018-10-11 16:27:08 +03:00
parent 6969ec0ec9
commit b2c8b77938
Signed by untrusted user: g1itch
GPG Key ID: 720A756F18DEED13
1 changed files with 6 additions and 2 deletions
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8
src/network/bmproto.py
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@ -381,14 +381,18 @@ class BMProto(AdvancedDispatcher, ObjectTracker):
decodedIP = protocol.checkIPAddress(str(ip))
if stream not in state.streamsInWhichIAmParticipating:
continue
if decodedIP is not False and seenTime > time.time() - BMProto.addressAlive:
if (
decodedIP and time.time() - seenTime > 0 and
seenTime > time.time() - BMProto.addressAlive and
port > 0
):
peer = state.Peer(decodedIP, port)
try:
if knownnodes.knownNodes[stream][peer]["lastseen"] > seenTime:
continue
except KeyError:
pass
if len(knownnodes.knownNodes[stream]) < int(BMConfigParser().get("knownnodes", "maxnodes")):
if len(knownnodes.knownNodes[stream]) < BMConfigParser().safeGetInt("knownnodes", "maxnodes"):
with knownnodes.knownNodesLock:
try:
knownnodes.knownNodes[stream][peer]["lastseen"] = seenTime