IRCVPN README + file
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@ -10,6 +10,7 @@ Furthermore: All of your data will go kind-of plaintext over an Irc-channel.
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While this is a rather uncommon way of ip transit, everybody who
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While this is a rather uncommon way of ip transit, everybody who
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is able to join the channel might be able to eavesdrop.
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is able to join the channel might be able to eavesdrop.
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Installation and requirements
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Installation and requirements
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=============================
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=============================
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* python-irclib
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* python-irclib
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@ -20,6 +21,7 @@ hint of what this switch will do. Some of the security settings are rather
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untested, keep that in mind. After configuration, start the tunnel with
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untested, keep that in mind. After configuration, start the tunnel with
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python ircvpn.py. A tap-device will open and the tunnel should be ready to run.
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python ircvpn.py. A tap-device will open and the tunnel should be ready to run.
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What it does and how it works
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What it does and how it works
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=============================
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=============================
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IrcVPN uses an ircchannel as its transport medium. When starting this tunnel,
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IrcVPN uses an ircchannel as its transport medium. When starting this tunnel,
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@ -55,6 +57,7 @@ bot has the right to flood the ether as much as it wants with network packets.
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Ircs right management can always be used to mute, rate-limit or remove spamming
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Ircs right management can always be used to mute, rate-limit or remove spamming
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or otherwise unwanted clients.
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or otherwise unwanted clients.
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Header Format
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Header Format
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=============
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=============
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<fragmentation flag><packet id> <base64 encoded message>
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<fragmentation flag><packet id> <base64 encoded message>
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@ -16,10 +16,6 @@ import logging
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import subprocess
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import subprocess
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from ether2any.helper import getDstMacFromPkt, isBroadcast, binToHexStr
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from ether2any.helper import getDstMacFromPkt, isBroadcast, binToHexStr
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# TODO
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# replace base64 with something better
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# write switching part
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class IrcVPN(Ether2Any):
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class IrcVPN(Ether2Any):
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headerlen = 1 + 5 + 1 # flag + number + whitespace
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headerlen = 1 + 5 + 1 # flag + number + whitespace
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pkgre = re.compile("^([a-zA-Z])(\d{5}) (.*)$")
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pkgre = re.compile("^([a-zA-Z])(\d{5}) (.*)$")
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