71 lines
2.6 KiB
Python
71 lines
2.6 KiB
Python
# Copyright (C) 2011 Jeff Forcier <jeff@bitprophet.org>
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#
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# This file is part of ssh.
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#
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# 'ssh' is free software; you can redistribute it and/or modify it under the
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# terms of the GNU Lesser General Public License as published by the Free
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# Software Foundation; either version 2.1 of the License, or (at your option)
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# any later version.
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#
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# 'ssh' is distrubuted in the hope that it will be useful, but WITHOUT ANY
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# WARRANTY; without even the implied warranty of MERCHANTABILITY or FITNESS FOR
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# A PARTICULAR PURPOSE. See the GNU Lesser General Public License for more
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# details.
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#
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# You should have received a copy of the GNU Lesser General Public License
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# along with 'ssh'; if not, write to the Free Software Foundation, Inc.,
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# 51 Franklin Street, Suite 500, Boston, MA 02110-1335 USA.
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"""
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Some unit tests for the ssh2 protocol in Transport.
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"""
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import unittest
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from loop import LoopSocket
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from Crypto.Cipher import AES
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from Crypto.Hash import SHA, HMAC
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from ssh import Message, Packetizer, util
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class PacketizerTest (unittest.TestCase):
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def test_1_write (self):
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rsock = LoopSocket()
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wsock = LoopSocket()
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rsock.link(wsock)
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p = Packetizer(wsock)
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p.set_log(util.get_logger('ssh.transport'))
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p.set_hexdump(True)
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cipher = AES.new('\x00' * 16, AES.MODE_CBC, '\x55' * 16)
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p.set_outbound_cipher(cipher, 16, SHA, 12, '\x1f' * 20)
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# message has to be at least 16 bytes long, so we'll have at least one
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# block of data encrypted that contains zero random padding bytes
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m = Message()
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m.add_byte(chr(100))
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m.add_int(100)
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m.add_int(1)
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m.add_int(900)
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p.send_message(m)
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data = rsock.recv(100)
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# 32 + 12 bytes of MAC = 44
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self.assertEquals(44, len(data))
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self.assertEquals('\x43\x91\x97\xbd\x5b\x50\xac\x25\x87\xc2\xc4\x6b\xc7\xe9\x38\xc0', data[:16])
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def test_2_read (self):
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rsock = LoopSocket()
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wsock = LoopSocket()
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rsock.link(wsock)
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p = Packetizer(rsock)
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p.set_log(util.get_logger('ssh.transport'))
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p.set_hexdump(True)
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cipher = AES.new('\x00' * 16, AES.MODE_CBC, '\x55' * 16)
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p.set_inbound_cipher(cipher, 16, SHA, 12, '\x1f' * 20)
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wsock.send('C\x91\x97\xbd[P\xac%\x87\xc2\xc4k\xc7\xe98\xc0' + \
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'\x90\xd2\x16V\rqsa8|L=\xfb\x97}\xe2n\x03\xb1\xa0\xc2\x1c\xd6AAL\xb4Y')
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cmd, m = p.read_message()
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self.assertEquals(100, cmd)
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self.assertEquals(100, m.get_int())
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self.assertEquals(1, m.get_int())
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self.assertEquals(900, m.get_int())
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