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Fix destination hash construction and random blob extraction

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This commit is contained in:
Mark Qvist 2022-10-04 09:11:20 +02:00
parent 11667504b2
commit 7997fd104e
3 changed files with 22 additions and 29 deletions
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10
RNS/Transport.py
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@ -1084,7 +1084,7 @@ class Transport:
if (not any(packet.destination_hash == d.hash for d in Transport.destinations) and packet.hops < Transport.PATHFINDER_M+1):
announce_emitted = Transport.announce_emitted(packet)
random_blob = packet.data[RNS.Identity.KEYSIZE//8:RNS.Identity.KEYSIZE//8+RNS.Reticulum.TRUNCATED_HASHLENGTH//8]
random_blob = packet.data[RNS.Identity.KEYSIZE//8+RNS.Identity.HASHLENGTH//8:RNS.Identity.KEYSIZE//8+RNS.Identity.HASHLENGTH//8+10]
random_blobs = []
if packet.destination_hash in Transport.destination_table:
random_blobs = Transport.destination_table[packet.destination_hash][4]
@ -1798,14 +1798,12 @@ class Transport:
queued_announces = True if len(on_interface.announce_queue) > 0 else False
if queued_announces:
# TODO: Reset to extra level, probably
RNS.log("Blocking recursive path request on "+str(on_interface)+" due to queued announces", RNS.LOG_DEBUG)
RNS.log("Blocking recursive path request on "+str(on_interface)+" due to queued announces", RNS.LOG_EXTREME)
return
else:
now = time.time()
if now < on_interface.announce_allowed_at:
# TODO: Reset to extra level, probably
RNS.log("Blocking recursive path request on "+str(on_interface)+" due to active announce cap", RNS.LOG_DEBUG)
RNS.log("Blocking recursive path request on "+str(on_interface)+" due to active announce cap", RNS.LOG_EXTREME)
return
else:
tx_time = ((len(path_request_data)+RNS.Reticulum.HEADER_MINSIZE)*8) / on_interface.bitrate
@ -2058,7 +2056,7 @@ class Transport:
@staticmethod
def announce_emitted(packet):
random_blob = packet.data[RNS.Identity.KEYSIZE//8:RNS.Identity.KEYSIZE//8+RNS.Reticulum.TRUNCATED_HASHLENGTH//8]
random_blob = packet.data[RNS.Identity.KEYSIZE//8+RNS.Identity.HASHLENGTH//8:RNS.Identity.KEYSIZE//8+RNS.Identity.HASHLENGTH//8+10]
announce_emitted = int.from_bytes(random_blob[5:10], "big")
return announce_emitted