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joko |
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# netfraggletelnetd.tac |
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# Copyright (C) 2004 netfrag.org |
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# |
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# from: |
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# http://twistedmatrix.com/pipermail/twisted-python/2004-August/008335.html |
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# |
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# This library is free software; you can redistribute it and/or |
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# modify it under the terms of version 2.1 of the GNU Lesser General Public |
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# License as published by the Free Software Foundation. |
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# |
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# This library 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 GNU |
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# Lesser General Public License for more details. |
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# |
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# You should have received a copy of the GNU Lesser General Public |
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# License along with this library; if not, write to the Free Software |
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# Foundation, Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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# see also: |
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# http://www.twistedmatrix.com/documents/current/examples/pbecho.py |
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# http://www.twistedmatrix.com/documents/current/examples/cursesclient.py |
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# start with "twistd -y <this_file.tac>" |
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from twisted.internet import reactor, app, tcp |
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#from twisted.protocols import telnet |
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from twisted.manhole import telnet |
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from twisted.application import service,internet |
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import sys |
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class MyShell(telnet.Shell): |
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def doCommand(self, cmd): |
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# TODO -- refactor this, Reality.author.Author, and the manhole shell |
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#to use common functionality (perhaps a twisted.python.code module?) |
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fn = '$telnet$' |
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result = None |
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try: |
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out = sys.stdout |
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sys.stdout = self |
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try: |
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if cmd == 'exit': self.transport.loseConnection() |
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#code = compile(cmd,fn,'eval') |
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#result = eval(code, self.factory.namespace) |
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result = "hello" |
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except: |
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try: |
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#code = compile(cmd, fn, 'exec') |
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#exec code in self.factory.namespace |
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result = "world" |
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except SyntaxError, e: |
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if not self.lineBuffer and str(e)[:14] == "unexpected EOF": |
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self.lineBuffer.append(cmd) |
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self.transport.write("... ") |
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return |
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else: |
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failure.Failure().printTraceback(file=self) |
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log.deferr() |
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self.write('\r\n>>> ') |
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return |
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except: |
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io = StringIO() |
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failure.Failure().printTraceback(file=self) |
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log.deferr() |
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self.write('\r\n>>> ') |
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return |
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finally: |
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sys.stdout = out |
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self.factory.namespace['_'] = result |
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if result is not None: |
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self.transport.write(repr(result)) |
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self.transport.write('\r\n') |
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self.transport.write(">>> ") |
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class MyShellFactory(telnet.ShellFactory): |
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protocol = MyShell |
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application = service.Application('telnet') |
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ts = MyShellFactory() |
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reactor.listenTCP(4040, ts) |
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