Avery Pennarun
10069f99e2
Clean up SockWrapper.peername stuff.
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Some fds don't have peernames, and sometimes the peername isn't very
helpful, so let's fill it in by hand when appropriate.
2010-05-02 01:52:05 -04:00
Avery Pennarun
ea12048418
ssh.py: use 'exec sshuttle' to get rid of the extra sh process.
2010-05-02 01:30:40 -04:00
Avery Pennarun
bfd506dcdc
Improve some debugging information to find the weird data problem.
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Turns out list.pop() removes the *last* item, not the first one. Oops. It
all works great for queues of only one item... :)
2010-05-02 01:25:09 -04:00
Avery Pennarun
915a96b0ec
We now have a server that works... some of the time.
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There still seem to be some weird timing and/or closing-related bugs, since
I can't load the eqldata project correctly unless I use --noserver.
2010-05-02 00:52:06 -04:00
Avery Pennarun
d435c41bdb
stdin and stdout have different fds, so make SockWrapper take *two* socks.
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We'll need this when we have a SockWrapper pointing at a Mux on a subprocess
pipe.
2010-05-01 23:32:30 -04:00
Avery Pennarun
5f0bfb5d9e
Basic implementation of a multiplex protocol - client side only.
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Currently the 'server' is just a pipe to run 'hd' (hexdump) for looking at
the client-side results. Lame, but true.
2010-05-01 23:14:42 -04:00
Avery Pennarun
9f514d7a15
Smarter listenport selection.
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Now if we aren't given an explicit port, we always initiate the port search
at 12300 and count upward looking for an available port.
Normally the kernel will assign us a random port, but that's not ideal
in our case because we'd like to use the same port numbers whenever
possible; that avoids piling up crap inside iptables in the (hopefully
unlikely) event that we die without cleaning up correctly.
2010-05-01 21:50:43 -04:00
Avery Pennarun
ad459e2918
iptables.py: completely replace ipt script.
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Doing it in python instead of shell makes the code a bit less error prone.
Plus we can parse the iptables output and avoid triggering iptables errors.
2010-05-01 21:34:05 -04:00
Avery Pennarun
8278dcfb5d
Parse options correctly; call ./ipt automatically.
2010-05-01 21:14:19 -04:00
Avery Pennarun
550048370e
Move some code that'll be useful for the server into ssnet.py.
2010-05-01 20:48:11 -04:00
Avery Pennarun
3766d4d506
Don't "import * from socket".
2010-05-01 20:26:16 -04:00
Avery Pennarun
651b945299
Prevent loopbacks caused by telnetting to the transproxy port directly.
2010-05-01 20:20:54 -04:00
Avery Pennarun
dc643ccdc4
Clean up log messages slightly.
2010-05-01 20:14:17 -04:00
Avery Pennarun
72ed385b7f
Really basic transproxying on localhost.
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When regenerating outgoing connections, we set TTL=42 to prevent re-proxying
of requests. That's a little hacky, but at least it avoids infinite loops.
2010-05-01 20:03:50 -04:00
Avery Pennarun
a818105dfe
client now listens on a socket and gets SO_ORIGINAL_DST correctly.
2010-05-01 18:03:45 -04:00
Avery Pennarun
f84b87d7eb
ipt: example script for how to set up an iptables transproxy.
2010-05-01 17:15:18 -04:00
Avery Pennarun
2f3c86e962
Initial commit.
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Importing options.py, ssh.py, and LICENSE from the bup project.
2010-05-01 16:15:37 -04:00
