| 1 | #!/usr/bin/env python |
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| 2 | # -*- coding: utf-8 -*- |
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| 3 | |
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| 4 | # Copyright (C) 2009 Adriano Monteiro Marques. |
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| 5 | # |
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| 6 | # Author: Bartosz SKOWRON <getxsick at gmail dot com> |
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| 7 | # |
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| 8 | # This library is free software; you can redistribute it and/or modify |
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| 9 | # it under the terms of the GNU Lesser General Public License as published |
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| 10 | # by the Free Software Foundation; either version 2.1 of the License, or |
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| 11 | # (at your option) any later version. |
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| 12 | # |
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| 13 | # This library is distributed in the hope that it will be useful, but |
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| 14 | # WITHOUT ANY WARRANTY; without even the implied warranty of MERCHANTABILITY |
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| 15 | # or FITNESS FOR A PARTICULAR PURPOSE. See the GNU Lesser General Public |
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| 16 | # License for more details. |
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| 17 | # |
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| 18 | # You should have received a copy of the GNU Lesser General Public License |
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| 19 | # along with this library; if not, write to the Free Software Foundation, |
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| 20 | # Inc., 59 Temple Place, Suite 330, Boston, MA 02111-1307 USA |
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| 21 | |
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| 22 | from cStringIO import StringIO |
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| 23 | import tempfile |
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| 24 | |
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| 25 | import umpa |
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| 26 | from umpa.protocols import IP, TCP, Payload |
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| 27 | from umpa.protocols._fields import Flags |
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| 28 | from umpa.extensions import XML |
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| 29 | |
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| 30 | class TestExtensionXML(object): |
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| 31 | example_xml = """<?xml version="1.0" ?> |
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| 32 | <UMPA> |
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| 33 | <packet id="0" strict="True"> |
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| 34 | <protocol class="umpa.protocols.IP.IP"> |
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| 35 | <_version type="int"> |
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| 36 | 4 |
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| 37 | </_version> |
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| 38 | <_ihl type="NoneType"> |
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| 39 | None |
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| 40 | </_ihl> |
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| 41 | <type_of_service type="bits"> |
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| 42 | <precedence0 type="bool"> |
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| 43 | False |
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| 44 | </precedence0> |
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| 45 | <precedence1 type="bool"> |
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| 46 | False |
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| 47 | </precedence1> |
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| 48 | <precedence2 type="bool"> |
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| 49 | False |
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| 50 | </precedence2> |
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| 51 | <delay type="bool"> |
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| 52 | False |
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| 53 | </delay> |
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| 54 | <throughput type="bool"> |
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| 55 | False |
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| 56 | </throughput> |
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| 57 | <relibility type="bool"> |
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| 58 | False |
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| 59 | </relibility> |
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| 60 | <reserved0 type="bool"> |
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| 61 | False |
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| 62 | </reserved0> |
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| 63 | <reserved1 type="bool"> |
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| 64 | False |
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| 65 | </reserved1> |
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| 66 | </type_of_service> |
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| 67 | <_total_length type="NoneType"> |
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| 68 | None |
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| 69 | </_total_length> |
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| 70 | <_identification type="int"> |
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| 71 | 0 |
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| 72 | </_identification> |
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| 73 | <flags type="bits"> |
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| 74 | <reserved type="bool"> |
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| 75 | False |
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| 76 | </reserved> |
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| 77 | <df type="bool"> |
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| 78 | False |
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| 79 | </df> |
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| 80 | <mf type="bool"> |
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| 81 | False |
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| 82 | </mf> |
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| 83 | </flags> |
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| 84 | <_fragment_offset type="int"> |
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| 85 | 0 |
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| 86 | </_fragment_offset> |
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| 87 | <time_to_live type="NoneType"> |
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| 88 | None |
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| 89 | </time_to_live> |
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| 90 | <_protocol type="NoneType"> |
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| 91 | None |
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| 92 | </_protocol> |
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| 93 | <_header_checksum type="int"> |
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| 94 | 0 |
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| 95 | </_header_checksum> |
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| 96 | <source_address type="str"> |
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| 97 | 127.0.0.1 |
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| 98 | </source_address> |
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| 99 | <destination_address type="str"> |
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| 100 | 67.205.14.183 |
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| 101 | </destination_address> |
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| 102 | <options type="bits"/> |
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| 103 | <_padding type="int"> |
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| 104 | 0 |
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| 105 | </_padding> |
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| 106 | </protocol> |
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| 107 | <protocol class="umpa.protocols.TCP.TCP"> |
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| 108 | <source_port type="int"> |
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| 109 | 2958 |
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| 110 | </source_port> |
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| 111 | <destination_port type="int"> |
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| 112 | 0 |
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| 113 | </destination_port> |
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| 114 | <_sequence_number type="NoneType"> |
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| 115 | None |
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| 116 | </_sequence_number> |
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| 117 | <_acknowledgment_number type="NoneType"> |
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| 118 | None |
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| 119 | </_acknowledgment_number> |
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| 120 | <_data_offset type="NoneType"> |
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| 121 | None |
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| 122 | </_data_offset> |
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| 123 | <_reserved type="int"> |
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| 124 | 0 |
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| 125 | </_reserved> |
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| 126 | <control_bits type="bits"> |
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| 127 | <urg type="bool"> |
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| 128 | False |
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| 129 | </urg> |
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| 130 | <ack type="bool"> |
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| 131 | False |
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| 132 | </ack> |
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| 133 | <psh type="bool"> |
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| 134 | False |
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| 135 | </psh> |
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| 136 | <rst type="bool"> |
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| 137 | False |
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| 138 | </rst> |
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| 139 | <syn type="bool"> |
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| 140 | True |
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| 141 | </syn> |
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| 142 | <fin type="bool"> |
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| 143 | False |
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| 144 | </fin> |
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| 145 | </control_bits> |
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| 146 | <_window type="NoneType"> |
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| 147 | None |
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| 148 | </_window> |
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| 149 | <_checksum type="NoneType"> |
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| 150 | None |
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| 151 | </_checksum> |
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| 152 | <_urgent_pointer type="NoneType"> |
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| 153 | None |
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| 154 | </_urgent_pointer> |
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| 155 | <options type="bits"/> |
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| 156 | <_padding type="int"> |
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| 157 | 0 |
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| 158 | </_padding> |
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| 159 | </protocol> |
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| 160 | <protocol class="umpa.protocols.Payload.Payload"> |
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| 161 | <data type="str"> |
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| 162 | this is umpa! |
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| 163 | </data> |
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| 164 | </protocol> |
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| 165 | </packet> |
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| 166 | </UMPA> |
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| 167 | """ |
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| 168 | example_xml2 = """ <packet id="1" strict="True"> |
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| 169 | <protocol class="umpa.protocols.TCP.TCP"> |
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| 170 | <source_port type="int"> |
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| 171 | 123 |
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| 172 | </source_port> |
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| 173 | <destination_port type="int"> |
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| 174 | 321 |
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| 175 | </destination_port> |
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| 176 | <_sequence_number type="NoneType"> |
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| 177 | None |
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| 178 | </_sequence_number> |
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| 179 | <_acknowledgment_number type="NoneType"> |
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| 180 | None |
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| 181 | </_acknowledgment_number> |
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| 182 | <_data_offset type="NoneType"> |
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| 183 | None |
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| 184 | </_data_offset> |
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| 185 | <_reserved type="int"> |
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| 186 | 0 |
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| 187 | </_reserved> |
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| 188 | <control_bits type="bits"> |
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| 189 | <urg type="bool"> |
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| 190 | False |
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| 191 | </urg> |
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| 192 | <ack type="bool"> |
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| 193 | False |
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| 194 | </ack> |
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| 195 | <psh type="bool"> |
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| 196 | False |
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| 197 | </psh> |
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| 198 | <rst type="bool"> |
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| 199 | False |
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| 200 | </rst> |
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| 201 | <syn type="bool"> |
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| 202 | False |
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| 203 | </syn> |
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| 204 | <fin type="bool"> |
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| 205 | False |
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| 206 | </fin> |
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| 207 | </control_bits> |
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| 208 | <_window type="NoneType"> |
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| 209 | None |
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| 210 | </_window> |
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| 211 | <_checksum type="NoneType"> |
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| 212 | None |
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| 213 | </_checksum> |
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| 214 | <_urgent_pointer type="NoneType"> |
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| 215 | None |
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| 216 | </_urgent_pointer> |
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| 217 | <options type="bits"/> |
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| 218 | <_padding type="int"> |
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| 219 | 0 |
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| 220 | </_padding> |
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| 221 | </protocol> |
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| 222 | <protocol class="umpa.protocols.Payload.Payload"> |
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| 223 | <data type="str"> |
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| 224 | another umpa packet! |
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| 225 | </data> |
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| 226 | </protocol> |
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| 227 | </packet> |
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| 228 | </UMPA> |
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| 229 | """ |
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| 230 | |
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| 231 | ip = IP() |
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| 232 | ip.source_address = "127.0.0.1" |
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| 233 | ip.destination_address = "67.205.14.183" |
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| 234 | |
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| 235 | # TCP header |
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| 236 | tcp = TCP() |
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| 237 | tcp.source_port = 2958 |
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| 238 | tcp.destination_port = 0 |
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| 239 | tcp.set_flags('control_bits', syn=True) |
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| 240 | |
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| 241 | # Payload |
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| 242 | data = Payload() |
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| 243 | data.data = "this is umpa!" |
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| 244 | |
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| 245 | # packet |
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| 246 | example_packet = umpa.Packet(ip, tcp, data) |
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| 247 | |
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| 248 | tcp2 = TCP() |
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| 249 | tcp2.source_port = 123 |
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| 250 | tcp2.destination_port = 321 |
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| 251 | tcp2.set_flags('control_bits', syn=False) |
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| 252 | data2 = Payload() |
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| 253 | data2.data = "another umpa packet!" |
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| 254 | example_packet2 = umpa.Packet(tcp2, data2, strict=True) |
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| 255 | |
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| 256 | def test_packet_attrs(self): |
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| 257 | assert hasattr(umpa.Packet, 'save_xml') |
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| 258 | assert hasattr(umpa.Packet, 'load_xml') |
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| 259 | |
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| 260 | def test_xml_load(self): |
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| 261 | f = StringIO() |
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| 262 | f.write(self.example_xml) |
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| 263 | f.seek(0) |
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| 264 | |
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| 265 | packets = XML.load(f) |
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| 266 | for p in packets: |
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| 267 | for i, proto in enumerate(p.protos): |
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| 268 | for fieldname in proto.get_fields_keys(): |
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| 269 | assert proto.get_field(fieldname).fillout() == \ |
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| 270 | self.example_packet.protos[i].get_field(fieldname).fillout() |
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| 271 | |
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| 272 | def test_xml_load_multiple(self): |
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| 273 | l_xml= (self.example_xml, self.example_xml2) |
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| 274 | l_packet = (self.example_packet, self.example_packet2) |
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| 275 | f = StringIO() |
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| 276 | f.write(l_xml[0][:-8]) # </UMPA>\n |
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| 277 | f.write(l_xml[1]) |
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| 278 | f.seek(0) |
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| 279 | |
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| 280 | packets = XML.load(f) |
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| 281 | for j, p in enumerate(packets): |
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| 282 | for i, proto in enumerate(p.protos): |
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| 283 | for fieldname in proto.get_fields_keys(): |
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| 284 | assert proto.get_field(fieldname).fillout() == \ |
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| 285 | l_packet[j].protos[i].get_field(fieldname).fillout() |
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| 286 | |
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| 287 | def test_xml_load_proto_only(self): |
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| 288 | f = StringIO() |
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| 289 | f.write(self.example_xml) |
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| 290 | f.seek(0) |
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| 291 | |
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| 292 | protos = XML.load(f, proto_only=True) |
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| 293 | for i, p in enumerate((IP, TCP, Payload)): |
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| 294 | assert isinstance(protos[i], p) |
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| 295 | |
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| 296 | def test_xml_save(self): |
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| 297 | output = StringIO() |
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| 298 | XML.save(output, (self.example_packet,)) |
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| 299 | a = output.getvalue() |
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| 300 | b = self.example_xml.replace(' ','\t') |
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| 301 | assert a == b |
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| 302 | |
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| 303 | output = tempfile.NamedTemporaryFile(mode='w+t') |
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| 304 | XML.save(output.name, (self.example_packet,)) |
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| 305 | a = output.read() |
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| 306 | b = self.example_xml.replace(' ','\t') |
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| 307 | assert a == b |
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| 308 | output.close() |
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| 309 | |
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| 310 | def test_xml_save_multiple(self): |
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| 311 | output = StringIO() |
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| 312 | XML.save(output, (self.example_packet,self.example_packet2)) |
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| 313 | a = output.getvalue() |
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| 314 | b = self.example_xml[:-8] # </UMPA>\n |
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| 315 | b += self.example_xml2 |
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| 316 | b = b.replace(' ','\t') |
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| 317 | assert a == b |
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