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#
# -*- coding: utf-8 -*-
# Wireshark tests
# By Gerald Combs <gerald@wireshark.org>
#
# Ported from a set of Bash scripts which were copyright 2005 Ulf Lamping
#
# SPDX-License-Identifier: GPL-2.0-or-later
#
'''Command line option tests'''
import config
import os.path
import subprocess
import subprocesstest
import unittest
#glossaries = ('fields', 'protocols', 'values', 'decodes', 'defaultprefs', 'currentprefs')
glossaries = ('decodes', 'values')
testout_pcap = 'testout.pcap'
class case_dumpcap_invalid_chars(subprocesstest.SubprocessTestCase):
# XXX Should we generate individual test functions instead of looping?
def test_dumpcap_invalid_chars(self):
'''Invalid dumpcap parameters'''
for char_arg in 'CEFGHJKNOQRTUVWXYejloxz':
self.assertRun((config.cmd_dumpcap, '-' + char_arg),
expected_return=self.exit_command_line)
class case_dumpcap_valid_chars(subprocesstest.SubprocessTestCase):
# XXX Should we generate individual test functions instead of looping?
def test_dumpcap_valid_chars(self):
for char_arg in 'hv':
self.assertRun((config.cmd_dumpcap, '-' + char_arg))
class case_dumpcap_invalid_interface_chars(subprocesstest.SubprocessTestCase):
# XXX Should we generate individual test functions instead of looping?
def test_dumpcap_interface_chars(self):
'''Valid dumpcap parameters requiring capture permissions'''
valid_returns = [self.exit_ok, self.exit_error]
for char_arg in 'DL':
process = self.runProcess((config.cmd_dumpcap, '-' + char_arg))
self.assertIn(process.returncode, valid_returns)
class case_dumpcap_capture_clopts(subprocesstest.SubprocessTestCase):
def test_dumpcap_invalid_capfilter(self):
'''Invalid capture filter'''
if not config.canCapture():
self.skipTest('Test requires capture privileges and an interface.')
invalid_filter = '__invalid_protocol'
# $DUMPCAP -f 'jkghg' -w './testout.pcap' > ./testout.txt 2>&1
testout_file = self.filename_from_id(testout_pcap)
self.runProcess((config.cmd_dumpcap, '-f', invalid_filter, '-w', testout_file ))
self.assertTrue(self.grepOutput('Invalid capture filter "' + invalid_filter + '" for interface'))
def test_dumpcap_invalid_interface_name(self):
'''Invalid capture interface name'''
if not config.canCapture():
self.skipTest('Test requires capture privileges and an interface.')
invalid_interface = '__invalid_interface'
# $DUMPCAP -i invalid_interface -w './testout.pcap' > ./testout.txt 2>&1
testout_file = self.filename_from_id(testout_pcap)
self.runProcess((config.cmd_dumpcap, '-i', invalid_interface, '-w', testout_file))
self.assertTrue(self.grepOutput('The capture session could not be initiated'))
def test_dumpcap_invalid_interface_index(self):
'''Invalid capture interface index'''
if not config.canCapture():
self.skipTest('Test requires capture privileges and an interface.')
invalid_index = '0'
# $DUMPCAP -i 0 -w './testout.pcap' > ./testout.txt 2>&1
testout_file = self.filename_from_id(testout_pcap)
self.runProcess((config.cmd_dumpcap, '-i', invalid_index, '-w', testout_file))
self.assertTrue(self.grepOutput('There is no interface with that adapter index'))
class case_basic_clopts(subprocesstest.SubprocessTestCase):
def test_existing_file(self):
# $TSHARK -r "${CAPTURE_DIR}dhcp.pcap" > ./testout.txt 2>&1
cap_file = os.path.join(config.capture_dir, 'dhcp.pcap')
self.assertRun((config.cmd_tshark, '-r', cap_file))
def test_nonexistent_file(self):
# $TSHARK - r ThisFileDontExist.pcap > ./testout.txt 2 > &1
cap_file = os.path.join(config.capture_dir, '__ceci_nest_pas_une.pcap')
self.assertRun((config.cmd_tshark, '-r', cap_file),
expected_return=self.exit_error)
class case_tshark_invalid_chars(subprocesstest.SubprocessTestCase):
# XXX Should we generate individual test functions instead of looping?
def test_tshark_invalid_chars(self):
'''Invalid tshark parameters'''
for char_arg in 'ABCEFHJKMNORTUWXYZabcdefijkmorstuwyz':
self.assertRun((config.cmd_tshark, '-' + char_arg),
expected_return=self.exit_command_line)
class case_tshark_valid_chars(subprocesstest.SubprocessTestCase):
# XXX Should we generate individual test functions instead of looping?
def test_tshark_valid_chars(self):
for char_arg in 'Ghv':
self.assertRun((config.cmd_tshark, '-' + char_arg))
class case_tshark_invalid_interface_chars(subprocesstest.SubprocessTestCase):
# XXX Should we generate individual test functions instead of looping?
def test_tshark_interface_chars(self):
'''Valid tshark parameters requiring capture permissions'''
valid_returns = [self.exit_ok, self.exit_error]
for char_arg in 'DL':
process = self.runProcess((config.cmd_tshark, '-' + char_arg))
self.assertIn(process.returncode, valid_returns)
class case_tshark_capture_clopts(subprocesstest.SubprocessTestCase):
def test_tshark_invalid_capfilter(self):
'''Invalid capture filter'''
if not config.canCapture():
self.skipTest('Test requires capture privileges and an interface.')
invalid_filter = '__invalid_protocol'
# $TSHARK -f 'jkghg' -w './testout.pcap' > ./testout.txt 2>&1
testout_file = self.filename_from_id(testout_pcap)
self.runProcess((config.cmd_tshark, '-f', invalid_filter, '-w', testout_file ))
self.assertTrue(self.grepOutput('Invalid capture filter "' + invalid_filter + '" for interface'))
def test_tshark_invalid_interface_name(self):
'''Invalid capture interface name'''
if not config.canCapture():
self.skipTest('Test requires capture privileges and an interface.')
invalid_interface = '__invalid_interface'
# $TSHARK -i invalid_interface -w './testout.pcap' > ./testout.txt 2>&1
testout_file = self.filename_from_id(testout_pcap)
self.runProcess((config.cmd_tshark, '-i', invalid_interface, '-w', testout_file))
self.assertTrue(self.grepOutput('The capture session could not be initiated'))
def test_tshark_invalid_interface_index(self):
'''Invalid capture interface index'''
if not config.canCapture():
self.skipTest('Test requires capture privileges and an interface.')
invalid_index = '0'
# $TSHARK -i 0 -w './testout.pcap' > ./testout.txt 2>&1
testout_file = self.filename_from_id(testout_pcap)
self.runProcess((config.cmd_tshark, '-i', invalid_index, '-w', testout_file))
self.assertTrue(self.grepOutput('There is no interface with that adapter index'))
class case_tshark_name_resolution_clopts(subprocesstest.SubprocessTestCase):
def test_tshark_valid_name_resolution(self):
if not config.canCapture():
self.skipTest('Test requires capture privileges and an interface.')
# $TSHARK -N mnNtdv -a duration:1 > ./testout.txt 2>&1
self.assertRun((config.cmd_tshark, '-N', 'mnNtdv', '-a', 'duration: 1'))
# XXX Add invalid name resolution.
class case_tshark_unicode_clopts(subprocesstest.SubprocessTestCase):
def test_tshark_unicode_display_filter(self):
'''Unicode (UTF-8) display filter'''
cap_file = os.path.join(config.capture_dir, 'http.pcap')
self.runProcess((config.cmd_tshark, '-r', cap_file, '-Y', 'tcp.flags.str == "·······AP···"'))
self.assertTrue(self.grepOutput('HEAD.*/v4/iuident.cab'))
class case_tshark_dump_glossaries(subprocesstest.SubprocessTestCase):
def test_tshark_dump_glossary(self):
for glossary in glossaries:
try:
self.log_fd.truncate()
except:
pass
self.assertRun((config.cmd_tshark, '-G', glossary))
self.assertEqual(self.countOutput(count_stdout=False, count_stderr=True), 0, 'Found error output while printing glossary ' + glossary)
def test_tshark_glossary_valid_utf8(self):
for glossary in glossaries:
env = config.baseEnv()
env['LANG'] = 'en_US.UTF-8'
g_contents = subprocess.check_output((config.cmd_tshark, '-G', glossary), env=env, stderr=subprocess.PIPE)
decoded = True
try:
g_contents.decode('UTF-8')
except UnicodeDecodeError:
decoded = False
self.assertTrue(decoded, '{} is not valid UTF-8'.format(glossary))
def test_tshark_glossary_plugin_count(self):
self.runProcess((config.cmd_tshark, '-G', 'plugins'), env=config.baseEnv())
self.assertGreaterEqual(self.countOutput('dissector'), 10, 'Fewer than 10 dissector plugins found')
# Purposefully fail a test. Used for testing the test framework.
# class case_fail_on_purpose(subprocesstest.SubprocessTestCase):
# def test_fail_on_purpose(self):
# self.runProcess(('echo', 'hello, world'))
# self.fail('Not implemented')
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