initial code for dumping imessages in a reasonable format
This commit is contained in:
Jeffrey Paul
148
dump-imessages/iphone-dataprotection/usbmuxd-python-client/tcprelay.py
Executable file
148
dump-imessages/iphone-dataprotection/usbmuxd-python-client/tcprelay.py
Executable file
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#!/usr/bin/python
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# -*- coding: utf-8 -*-
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#
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# tcprelay.py - TCP connection relay for usbmuxd
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#
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# Copyright (C) 2009 Hector Martin "marcan" <hector@marcansoft.com>
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#
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# This program is free software; you can redistribute it and/or modify
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# it under the terms of the GNU General Public License as published by
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# the Free Software Foundation, either version 2 or version 3.
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#
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# This program is distributed in the hope that it will be useful,
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# but WITHOUT ANY WARRANTY; without even the implied warranty of
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# MERCHANTABILITY or FITNESS FOR A PARTICULAR PURPOSE. See the
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# GNU General Public License for more details.
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#
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# You should have received a copy of the GNU General Public License
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# along with this program; if not, write to the Free Software
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# Foundation, Inc., 51 Franklin Street, Fifth Floor, Boston, MA 02110-1301 USA
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import usbmux
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import SocketServer
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import select
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from optparse import OptionParser
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import sys
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import threading
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class SocketRelay(object):
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def __init__(self, a, b, maxbuf=65535):
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self.a = a
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self.b = b
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self.atob = ""
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self.btoa = ""
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self.maxbuf = maxbuf
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def handle(self):
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while True:
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rlist = []
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wlist = []
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xlist = [self.a, self.b]
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if self.atob:
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wlist.append(self.b)
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if self.btoa:
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wlist.append(self.a)
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if len(self.atob) < self.maxbuf:
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rlist.append(self.a)
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if len(self.btoa) < self.maxbuf:
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rlist.append(self.b)
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rlo, wlo, xlo = select.select(rlist, wlist, xlist)
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if xlo:
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return
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if self.a in wlo:
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n = self.a.send(self.btoa)
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self.btoa = self.btoa[n:]
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if self.b in wlo:
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n = self.b.send(self.atob)
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self.atob = self.atob[n:]
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if self.a in rlo:
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s = self.a.recv(self.maxbuf - len(self.atob))
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if not s:
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return
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self.atob += s
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if self.b in rlo:
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s = self.b.recv(self.maxbuf - len(self.btoa))
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if not s:
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return
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self.btoa += s
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#print "Relay iter: %8d atob, %8d btoa, lists: %r %r %r"%(len(self.atob), len(self.btoa), rlo, wlo, xlo)
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class TCPRelay(SocketServer.BaseRequestHandler):
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def handle(self):
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print "Incoming connection to %d"%self.server.server_address[1]
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mux = usbmux.USBMux(options.sockpath)
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print "Waiting for devices..."
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if not mux.devices:
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mux.process(1.0)
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if not mux.devices:
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print "No device found"
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self.request.close()
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return
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dev = mux.devices[0]
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print "Connecting to device %s"%str(dev)
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dsock = mux.connect(dev, self.server.rport)
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lsock = self.request
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print "Connection established, relaying data"
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try:
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fwd = SocketRelay(dsock, lsock, self.server.bufsize * 1024)
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fwd.handle()
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finally:
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dsock.close()
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lsock.close()
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print "Connection closed"
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class TCPServer(SocketServer.TCPServer):
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allow_reuse_address = True
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class ThreadedTCPServer(SocketServer.ThreadingMixIn, TCPServer):
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pass
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HOST = "localhost"
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parser = OptionParser(usage="usage: %prog [OPTIONS] RemotePort[:LocalPort] [RemotePort[:LocalPort]]...")
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parser.add_option("-t", "--threaded", dest='threaded', action='store_true', default=False, help="use threading to handle multiple connections at once")
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parser.add_option("-b", "--bufsize", dest='bufsize', action='store', metavar='KILOBYTES', type='int', default=128, help="specify buffer size for socket forwarding")
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parser.add_option("-s", "--socket", dest='sockpath', action='store', metavar='PATH', type='str', default=None, help="specify the path of the usbmuxd socket")
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options, args = parser.parse_args()
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serverclass = TCPServer
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if options.threaded:
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serverclass = ThreadedTCPServer
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if len(args) == 0:
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parser.print_help()
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sys.exit(1)
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ports = []
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for arg in args:
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try:
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if ':' in arg:
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rport, lport = arg.split(":")
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rport = int(rport)
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lport = int(lport)
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ports.append((rport, lport))
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else:
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ports.append((int(arg), int(arg)))
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except:
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parser.print_help()
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sys.exit(1)
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servers=[]
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for rport, lport in ports:
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print "Forwarding local port %d to remote port %d"%(lport, rport)
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server = serverclass((HOST, lport), TCPRelay)
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server.rport = rport
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server.bufsize = options.bufsize
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servers.append(server)
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alive = True
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while alive:
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try:
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rl, wl, xl = select.select(servers, [], [])
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for server in rl:
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server.handle_request()
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except:
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alive = False
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