def test8special_characters_escape_no_match(self):
"""In this test case special character escaping is tested without matching."""
data = b'error: the command \\"python run.py\\" was not found\\" '
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b'"', b"\\")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
data = rb"^This is a simple regex string. It costs 10\$.\$"
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"$", b"\\")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
data = b"the searched file is .gitignore ."
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b".", b" ")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
def test4special_characters_escape(self):
"""In this test case special character escaping is tested."""
match_context = MatchContext(
b'error: the command \\"python run.py\\" was not found" ')
delimited_data_model_element = DelimitedDataModelElement(
'id', b'"', b'\\')
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(
match_element.get_match_string(),
b'error: the command \\"python run.py\\" was not found')
match_context = MatchContext(
rb'^This is a simple regex string. It costs 10\$.$')
delimited_data_model_element = DelimitedDataModelElement(
'id', b'$', b'\\')
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element.get_match_string(),
rb'^This is a simple regex string. It costs 10\$.')
match_context = MatchContext(b'the searched file is .gitignore.')
delimited_data_model_element = DelimitedDataModelElement(
'id', b'.', b' ')
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element.get_match_string(),
b'the searched file is .gitignore')
def test6delimiter_string_no_match(self):
"""In this test case a whole string is searched for in the match_data with no match."""
data = b"this is a match context.\n"
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"other data")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"isa")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"context\n")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"this is a match context.\n")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
def test7special_characters_escape(self):
"""In this test case special character escaping is tested. The delimiter is not consumed (consume_delimiter=False)."""
data = b'error: the command \\"python run.py\\" was not found" '
value = b'error: the command \\"python run.py\\" was not found'
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b'"', b"\\")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
data = rb"^This is a simple regex string. It costs 10\$.$"
value = rb"^This is a simple regex string. It costs 10\$."
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"$", b"\\")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
data = b"the searched file is .gitignore."
value = b"the searched file is .gitignore"
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b".", b" ")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
def get_model():
"""Return a model to parse Suricata Fast logs from the AIT-LDS."""
model = SequenceModelElement("model", [
DateTimeModelElement("time", b"%m/%d/%Y-%H:%M:%S.%f"),
FixedDataModelElement("brack_str1", b" [**] ["),
DecimalIntegerValueModelElement("id1"),
FixedDataModelElement("sep1", b":"),
DecimalIntegerValueModelElement("id2"),
FixedDataModelElement("sep2", b":"),
DecimalIntegerValueModelElement("id3"),
FixedDataModelElement("sep3", b"] "),
DelimitedDataModelElement("message", b" [**] "),
FixedDataModelElement("classification_str",
b" [**] [Classification: "),
DelimitedDataModelElement("classification", b"]"),
FixedDataModelElement("priority_str", b"] [Priority: "),
DecimalIntegerValueModelElement("priority"),
FixedDataModelElement("brack_str1", b"] {"),
DelimitedDataModelElement("conn", b"}"),
FixedDataModelElement("brack_str2", b"} "),
IpAddressDataModelElement("src_ip"),
FixedDataModelElement("colon", b":"),
DecimalIntegerValueModelElement("src_port"),
FixedDataModelElement("arrow_str", b" -> "),
IpAddressDataModelElement("dst_ip"),
FixedDataModelElement("colon", b":"),
DecimalIntegerValueModelElement("dst_port"),
])
return model
def get_model():
"""Return the model."""
type_children = [
SequenceModelElement("sent", [
FixedDataModelElement("s0", b"Sent mail for "),
DelimitedDataModelElement("to-addr", b" ("),
FixedDataModelElement("s1", b" ("),
DelimitedDataModelElement("status", b") uid="),
FixedDataModelElement("s2", b") uid="),
DecimalIntegerValueModelElement("uid"),
FixedDataModelElement("s3", b" username="******"username", b" outbytes="),
FixedDataModelElement("s4", b" outbytes="),
DecimalIntegerValueModelElement("bytes")
]),
SequenceModelElement("sent", [
DelimitedDataModelElement("program", b" "),
FixedDataModelElement("s0", b" sent mail for "),
AnyByteDataModelElement("user")
])
]
model = SequenceModelElement("ssmtp", [
FixedDataModelElement("sname", b"sSMTP["),
DecimalIntegerValueModelElement("pid"),
FixedDataModelElement("s0", b"]: "),
FirstMatchModelElement("msg", type_children)
])
return model
def get_model():
"""Return a model to parse Suricata Fast logs from the AIT-LDS."""
model = SequenceModelElement('model', [
DateTimeModelElement('time', b'%m/%d/%Y-%H:%M:%S.%f'),
FixedDataModelElement('brack_str1', b' [**] ['),
DecimalIntegerValueModelElement('id1'),
FixedDataModelElement('sep1', b':'),
DecimalIntegerValueModelElement('id2'),
FixedDataModelElement('sep2', b':'),
DecimalIntegerValueModelElement('id3'),
FixedDataModelElement('sep3', b'] '),
DelimitedDataModelElement('message', b' [**] '),
FixedDataModelElement('classification_str',
b' [**] [Classification: '),
DelimitedDataModelElement('classification', b']'),
FixedDataModelElement('priority_str', b'] [Priority: '),
DecimalIntegerValueModelElement('priority'),
FixedDataModelElement('brack_str1', b'] {'),
DelimitedDataModelElement('conn', b'}'),
FixedDataModelElement('brack_str2', b'} '),
IpAddressDataModelElement('src_ip'),
FixedDataModelElement('colon', b':'),
DecimalIntegerValueModelElement('src_port'),
FixedDataModelElement('arrow_str', b' -> '),
IpAddressDataModelElement('dst_ip'),
FixedDataModelElement('colon', b':'),
DecimalIntegerValueModelElement('dst_port'),
])
return model
def test5consume_delimeter(self):
"""In this test case check if the consume_delimeter parameter is working properly."""
match_context = MatchContext(self.match_context_string)
delimited_data_model_element = DelimitedDataModelElement(
'id', b'c', consume_delimiter=False)
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element.get_match_string(), b'this is a mat')
match_context = MatchContext(self.match_context_string)
delimited_data_model_element = DelimitedDataModelElement(
'id', b'c', consume_delimiter=True)
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element.get_match_string(), b'this is a matc')
match_context = MatchContext(self.match_context_string)
delimited_data_model_element = DelimitedDataModelElement(
'id', b' is', consume_delimiter=False)
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element.get_match_string(), b'this')
match_context = MatchContext(self.match_context_string)
delimited_data_model_element = DelimitedDataModelElement(
'id', b' is', consume_delimiter=True)
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element.get_match_string(), b'this is')
def get_systemd_model():
"""Return the parsing model for messages directly from systemd."""
type_children = [
FixedDataModelElement("apt-daily-start", b"Starting Daily apt upgrade and clean activities..."),
FixedDataModelElement("apt-daily-started", b"Started Daily apt upgrade and clean activities."),
FixedDataModelElement("apt-daily-finished", b"Finished Daily apt upgrade and clean activities."),
SequenceModelElement("service-succeeded", [
DelimitedDataModelElement("service", b" "),
FixedDataModelElement("s0", b" Succeeded.")
]),
FixedDataModelElement("clean-php", b"Finished Clean php session files."),
FixedDataModelElement("finished-logrotate", b"Finished Rotate log files."),
FixedDataModelElement("finished-man-db-daily", b"Finished Daily man-db regeneration."),
FixedDataModelElement("finished-ubuntu-advantages", b"Finished Ubuntu Advantage APT and MOTD Messages."),
FixedDataModelElement("finished-refresh", b"Finished Refresh fwupd metadata and update motd."),
FixedDataModelElement("finished-daily-apt", b"Finished Daily apt download activities."),
SequenceModelElement("apt-daily-timer", [
FixedDataModelElement("s0", b"apt-daily.timer: Adding "),
OptionalMatchModelElement("hopt", SequenceModelElement("hblock", [
DecimalIntegerValueModelElement("hours"),
FixedDataModelElement("s1", b"h ")
])),
DecimalIntegerValueModelElement("minutes"),
FixedDataModelElement("s2", b"min "),
DecimalFloatValueModelElement("seconds"),
FixedDataModelElement("s3", b"s random time.")
]),
FixedDataModelElement("tmp-file-cleanup", b"Starting Cleanup of Temporary Directories..."),
FixedDataModelElement("tmp-file-cleanup-started", b"Started Cleanup of Temporary Directories."),
SequenceModelElement("killing-process", [
DelimitedDataModelElement("service", b":"),
FixedDataModelElement("s0", b": Killing process "),
DecimalIntegerValueModelElement("pid"),
FixedDataModelElement("s1", b" (update-notifier) with signal SIGKILL.")
]),
SequenceModelElement("starting", [
FixedDataModelElement("s0", b"Starting "),
DelimitedDataModelElement("service", b"."),
FixedDataModelElement("s1", b"...")
]),
SequenceModelElement("started", [
FixedDataModelElement("s0", b"Started "),
DelimitedDataModelElement("service", b".", consume_delimiter=True)
]),
FixedDataModelElement("reloading", b"Reloading.")
]
model = SequenceModelElement("systemd", [
FixedDataModelElement("sname", b"systemd["),
DecimalIntegerValueModelElement("pid"),
FixedDataModelElement("s0", b"]: "),
FirstMatchModelElement("msg", type_children)
])
return model
def test1delimeter_single_char(self):
"""A single character is used as delimeter."""
match_context = MatchContext(self.match_context_string)
delimited_data_model_element = DelimitedDataModelElement('id', b'c')
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element.get_match_string(), b'this is a mat')
match_context = MatchContext(self.match_context_string)
delimited_data_model_element = DelimitedDataModelElement('id', b'f')
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element, None)
def get_model():
"""Return a model to parse messages from kernel logging."""
type_children = [
SequenceModelElement("ipv4-martian", [
FixedDataModelElement("s0", b"IPv4: martian "),
FixedWordlistDataModelElement("direction", [b"source", b"destination"]),
FixedDataModelElement("s1", b" "),
IpAddressDataModelElement("destination"),
FixedDataModelElement("s2", b" from "),
IpAddressDataModelElement("source"),
FixedDataModelElement("s3", b", on dev "),
AnyByteDataModelElement("interface")]),
SequenceModelElement("net-llheader", [
FixedDataModelElement("s0", b"ll header: "),
AnyByteDataModelElement("data")
]),
AnyByteDataModelElement("unparsed")
]
model = SequenceModelElement("kernel", [
FixedDataModelElement("sname", b"kernel: "),
OptionalMatchModelElement("opt", SequenceModelElement("seq", [
FixedDataModelElement("opt_s0", b"]"),
DelimitedDataModelElement("timestamp", b"]"),
FixedDataModelElement("opt_s1", b"] "),
])),
FirstMatchModelElement("msg", type_children)
])
return model
def get_model():
"""Return a model to parse a su session information message after any standard logging preamble, e.g. from syslog."""
type_children = [
SequenceModelElement('gidchange', [
FixedDataModelElement('s0', b'rsyslogd\'s groupid changed to '),
DecimalIntegerValueModelElement('gid')
]),
SequenceModelElement('statechange', [
FixedDataModelElement('s0',
b'[origin software="rsyslogd" swVersion="'),
DelimitedDataModelElement('version', b'"'),
FixedDataModelElement('s1', b'" x-pid="'),
DecimalIntegerValueModelElement('pid'),
FixedDataModelElement('s2',
b'" x-info="http://www.rsyslog.com"] '),
FirstMatchModelElement('type', [
FixedDataModelElement('HUPed', b'rsyslogd was HUPed'),
FixedDataModelElement('start', b'start')
])
]),
SequenceModelElement('uidchange', [
FixedDataModelElement('s0', b'rsyslogd\'s userid changed to '),
DecimalIntegerValueModelElement('uid')
])
]
model = SequenceModelElement('rsyslog', [
FixedDataModelElement('sname', b'rsyslogd: '),
FirstMatchModelElement('msg', type_children)
])
return model
def get_model():
"""Return a model to parse messages from kernel logging."""
type_children = [
SequenceModelElement('ipv4-martian', [
FixedDataModelElement('s0', b'IPv4: martian '),
FixedWordlistDataModelElement('direction',
[b'source', b'destination']),
FixedDataModelElement('s1', b' '),
IpAddressDataModelElement('destination'),
FixedDataModelElement('s2', b' from '),
IpAddressDataModelElement('source'),
FixedDataModelElement('s3', b', on dev '),
AnyByteDataModelElement('interface')
]),
SequenceModelElement('net-llheader', [
FixedDataModelElement('s0', b'll header: '),
AnyByteDataModelElement('data')
]),
AnyByteDataModelElement('unparsed')
]
model = SequenceModelElement('kernel', [
FixedDataModelElement('sname', b'kernel: ['),
DelimitedDataModelElement('timestamp', b']'),
FixedDataModelElement('s0', b'] '),
FirstMatchModelElement('msg', type_children)
])
return model
def test14get_match_element_match_context_input_validation(self):
"""Check if an exception is raised, when other classes than MatchContext are used in get_match_element."""
model_element = DelimitedDataModelElement(self.id_, self.delimiter)
data = b"one, two, three"
model_element.get_match_element(self.path, DummyMatchContext(data))
model_element.get_match_element(self.path, MatchContext(data))
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, MatchElement(None, data, None, None))
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, data)
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, data.decode())
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, True)
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, 123)
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, 123.22)
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, None)
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, [])
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, {"key": MatchContext(data)})
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, set())
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, ())
self.assertRaises(AttributeError, model_element.get_match_element,
self.path, model_element)
def test2delimeter_string(self):
"""In this test case a whole string is searched for in the match_data."""
match_context = MatchContext(self.match_context_string)
delimited_data_model_element = DelimitedDataModelElement('id', b' is')
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element.get_match_string(), b'this')
def get_model():
"""Return a parser for apache2 access.log."""
new_time_model = DateTimeModelElement("time", b"[%d/%b/%Y:%H:%M:%S%z")
host_name_model = VariableByteDataModelElement(
"host", b"-.01234567890abcdefghijklmnopqrstuvwxyz:")
identity_model = VariableByteDataModelElement(
"ident", b"-.01234567890abcdefghijklmnopqrstuvwxyz:")
user_name_model = VariableByteDataModelElement(
"user", b"0123456789abcdefghijklmnopqrstuvwxyz.-")
request_method_model = FirstMatchModelElement("fm", [
FixedDataModelElement("dash", b"-"),
SequenceModelElement("request", [
FixedWordlistDataModelElement("method", [
b"GET", b"POST", b"PUT", b"HEAD", b"DELETE", b"CONNECT",
b"OPTIONS", b"TRACE", b"PATCH"
]),
FixedDataModelElement("sp5", b" "),
DelimitedDataModelElement("request", b" ", b"\\"),
FixedDataModelElement("sp6", b" "),
DelimitedDataModelElement("version", b'"'),
])
])
status_code_model = DecimalIntegerValueModelElement("status")
size_model = DecimalIntegerValueModelElement("size")
whitespace_str = b" "
model = SequenceModelElement("accesslog", [
host_name_model,
FixedDataModelElement("sp0", whitespace_str), identity_model,
FixedDataModelElement("sp1", whitespace_str), user_name_model,
FixedDataModelElement("sp2", whitespace_str), new_time_model,
FixedDataModelElement("sp3", b'] "'), request_method_model,
FixedDataModelElement("sp6", b'" '), status_code_model,
FixedDataModelElement("sp7", whitespace_str), size_model,
OptionalMatchModelElement(
"combined",
SequenceModelElement("combined", [
FixedDataModelElement("sp9", b' "'),
DelimitedDataModelElement("referer", b'"', b"\\"),
FixedDataModelElement("sp10", b'" "'),
DelimitedDataModelElement("user_agent", b'"', b"\\"),
FixedDataModelElement("sp11", b'"')
]))
])
return model
def get_model():
"""Return a model to parse Apache Access logs from the AIT-LDS."""
alphabet = b"!'#$%&\"()*+,-./0123456789:;<>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ\\^_`abcdefghijklmnopqrstuvwxyz{|}~=[]"
model = SequenceModelElement("model", [
FirstMatchModelElement("client_ip", [
IpAddressDataModelElement("client_ip"),
FixedDataModelElement("localhost", b"::1")
]),
FixedDataModelElement("sp1", b" "),
VariableByteDataModelElement("client_id", alphabet),
FixedDataModelElement("sp2", b" "),
VariableByteDataModelElement("user_id", alphabet),
FixedDataModelElement("sp3", b" ["),
DateTimeModelElement("time", b"%d/%b/%Y:%H:%M:%S%z"),
FixedDataModelElement("sp4", b'] "'),
FirstMatchModelElement("fm", [
FixedDataModelElement("dash", b"-"),
SequenceModelElement("request", [
FixedWordlistDataModelElement("method", [
b"GET", b"POST", b"PUT", b"HEAD", b"DELETE", b"CONNECT",
b"OPTIONS", b"TRACE", b"PATCH"
]),
FixedDataModelElement("sp5", b" "),
DelimitedDataModelElement("request", b" ", b"\\"),
FixedDataModelElement("sp6", b" "),
DelimitedDataModelElement("version", b'"'),
])
]),
FixedDataModelElement("sp7", b'" '),
DecimalIntegerValueModelElement("status_code"),
FixedDataModelElement("sp8", b" "),
DecimalIntegerValueModelElement("content_size"),
OptionalMatchModelElement(
"combined",
SequenceModelElement("combined", [
FixedDataModelElement("sp9", b' "'),
DelimitedDataModelElement("referer", b'"', b"\\"),
FixedDataModelElement("sp10", b'" "'),
DelimitedDataModelElement("user_agent", b'"', b"\\"),
FixedDataModelElement("sp11", b'"'),
]))
])
return model
def get_model():
"""Return a model to parse Apache Error logs from the AIT-LDS."""
model = SequenceModelElement('model', [
FixedDataModelElement('sp1', b'['),
FixedWordlistDataModelElement('day', [b'Mon', b'Tue', b'Wed', b'Thu', b'Fri', b'Sat', b'Sun']),
FixedDataModelElement('sp2', b' '),
DateTimeModelElement('time', b'%b %d %H:%M:%S.%f %Y'),
FixedDataModelElement('error_str', b'] [:error] [pid '),
DecimalIntegerValueModelElement('pid'),
FixedDataModelElement('sp3', b'] [client '),
IpAddressDataModelElement('client_ip'),
FixedDataModelElement('colon', b':'),
DecimalIntegerValueModelElement('client_port'),
FixedDataModelElement('php', b'] PHP '),
FirstMatchModelElement('fphp', [
SequenceModelElement('warning', [
FixedDataModelElement('warning_str', b'Warning: '),
FirstMatchModelElement('warning', [
SequenceModelElement('declaration', [
FixedDataModelElement('declaration_str', b'Declaration of '),
DelimitedDataModelElement('function', b')'),
FixedDataModelElement('compatible_str', b') should be compatible with '),
DelimitedDataModelElement('function2', b')'),
FixedDataModelElement('compatible_str', b') in '),
DelimitedDataModelElement('path', b' '),
FixedDataModelElement('compatible_str', b' on line '),
DecimalIntegerValueModelElement('line'),
FixedDataModelElement('referer_str', b', referer: '),
AnyByteDataModelElement('referer')]),
SequenceModelElement('system', [
FixedDataModelElement('system_str', b'system(): Cannot execute a blank command in '),
DelimitedDataModelElement('path', b' '),
FixedDataModelElement('compatible_str', b' on line '),
DecimalIntegerValueModelElement('line')])])]),
SequenceModelElement('notice', [
FixedDataModelElement('notice_str', b'Notice: Undefined index: '),
DelimitedDataModelElement('command', b' '),
FixedDataModelElement('sp', b' in '),
DelimitedDataModelElement('path', b' '),
FixedDataModelElement('compatible_str', b' on line '),
DecimalIntegerValueModelElement('line')]),
SequenceModelElement('deprecated', [
FixedDataModelElement('deprecated_str', b'Deprecated: Methods with the same name as their class '
b'will not be constructors in a future version of PHP; '),
DelimitedDataModelElement('class', b' '),
FixedDataModelElement('constructor_str', b' has a deprecated constructor in '),
DelimitedDataModelElement('path', b' '),
FixedDataModelElement('compatible_str', b' on line '),
DecimalIntegerValueModelElement('line'),
FixedDataModelElement('referer_str', b', referer: '),
AnyByteDataModelElement('referer'),
])])])
return model
def get_model():
"""Return a model to parse Apache Access logs from the AIT-LDS."""
alphabet = b'!"#$%&\'()*+,-./0123456789:;<>?@ABCDEFGHIJKLMNOPQRSTUVWXYZ\\^_`abcdefghijklmnopqrstuvwxyz{|}~=[]'
model = SequenceModelElement('model', [
FirstMatchModelElement('client_ip', [
IpAddressDataModelElement('client_ip'),
FixedDataModelElement('localhost', b'::1')
]),
FixedDataModelElement('sp1', b' '),
VariableByteDataModelElement('client_id', alphabet),
FixedDataModelElement('sp2', b' '),
VariableByteDataModelElement('user_id', alphabet),
FixedDataModelElement('sp3', b' ['),
DateTimeModelElement('time', b'%d/%b/%Y:%H:%M:%S'),
FixedDataModelElement('sp4', b' +'),
DecimalIntegerValueModelElement('tz'),
FixedDataModelElement('sp5', b'] "'),
FirstMatchModelElement('fm', [
FixedDataModelElement('dash', b'-'),
SequenceModelElement('request', [
FixedWordlistDataModelElement('method', [
b'GET', b'POST', b'PUT', b'HEAD', b'DELETE', b'CONNECT', b'OPTIONS', b'TRACE', b'PATCH']),
FixedDataModelElement('sp6', b' '),
DelimitedDataModelElement('request', b' ', b'\\'),
FixedDataModelElement('sp7', b' '),
DelimitedDataModelElement('version', b'"'),
])
]),
FixedDataModelElement('sp8', b'" '),
DecimalIntegerValueModelElement('status_code'),
FixedDataModelElement('sp9', b' '),
DecimalIntegerValueModelElement('content_size'),
OptionalMatchModelElement(
'combined', SequenceModelElement('combined', [
FixedDataModelElement('sp10', b' "'),
DelimitedDataModelElement('referer', b'"', b'\\'),
FixedDataModelElement('sp11', b'" "'),
DelimitedDataModelElement('user_agent', b'"', b'\\'),
FixedDataModelElement('sp12', b'"'),
])),
])
return model
def test3delimeter_none_empty_or_not_printable(self):
"""In this test case all not allowed values are tested."""
match_context = MatchContext(self.match_context_string)
delimited_data_model_element = DelimitedDataModelElement('id', b'')
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element, None)
match_context = MatchContext(self.match_context_string)
delimited_data_model_element = DelimitedDataModelElement('id', None)
self.assertRaises(TypeError,
delimited_data_model_element.get_match_element,
'match', match_context)
match_context = MatchContext(self.match_context_string)
delimited_data_model_element = DelimitedDataModelElement('id', b'\x01')
match_element = delimited_data_model_element.get_match_element(
'match', match_context)
self.assertEqual(match_element, None)
def test4get_match_element_single_char_no_match(self):
"""A single character is used as delimiter and not matched."""
data = b"this is a match context.\n"
for char in "bdfgjklpqruvwyz":
delimited_data_model_element = DelimitedDataModelElement(
self.id_, char.encode())
match_context = DummyMatchContext(data)
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
def get_model():
"""Return a model for su session information messages after any standard logging preamble, e.g. from syslog."""
type_children = [
SequenceModelElement('build-stack', [
FixedDataModelElement('s0', b'building new pluginstance stack: \''),
DelimitedDataModelElement('stack', b'\''),
FixedDataModelElement('s1', b'\'')
]),
SequenceModelElement('nfct-event', [
FixedDataModelElement('s0', b'[DESTROY] ORIG: SRC='),
IpAddressDataModelElement('osrcip'),
FixedDataModelElement('s1', b' DST='),
IpAddressDataModelElement('odstip'),
FixedDataModelElement('s2', b' PROTO='),
FixedWordlistDataModelElement('proto', [b'TCP', b'UDP']),
FixedDataModelElement('s3', b' SPT='),
DecimalIntegerValueModelElement('ospt'),
FixedDataModelElement('s4', b' DPT='),
DecimalIntegerValueModelElement('odpt'),
FixedDataModelElement('s5', b' PKTS='),
DecimalIntegerValueModelElement('opkts'),
FixedDataModelElement('s6', b' BYTES='),
DecimalIntegerValueModelElement('obytes'),
FixedDataModelElement('s7', b' , REPLY: SRC='),
IpAddressDataModelElement('rsrcip'),
FixedDataModelElement('s8', b' DST='),
IpAddressDataModelElement('rdstip'),
FixedDataModelElement('s9', b' PROTO='),
FixedWordlistDataModelElement('rproto', [b'TCP', b'UDP']),
FixedDataModelElement('s10', b' SPT='),
DecimalIntegerValueModelElement('rspt'),
FixedDataModelElement('s11', b' DPT='),
DecimalIntegerValueModelElement('rdpt'),
FixedDataModelElement('s12', b' PKTS='),
DecimalIntegerValueModelElement('rpkts'),
FixedDataModelElement('s13', b' BYTES='),
DecimalIntegerValueModelElement('rbytes'),
# No additional whitespace from Ubuntu Trusty 14.04 on.
OptionalMatchModelElement('tail', FixedDataModelElement('s0', b' '))
]),
FixedDataModelElement('nfct-plugin', b'NFCT plugin working in event mode'),
FixedDataModelElement('reopen', b'reopening capture file'),
FixedDataModelElement('signal', b'signal received, calling pluginstances'),
FixedDataModelElement('uidchange', b'Changing UID / GID')
]
# Netflow entry
model = SequenceModelElement('ulogd', [
FixedDataModelElement('sname', b'ulogd['),
DecimalIntegerValueModelElement('pid'),
FixedDataModelElement('s0', b']: '),
FirstMatchModelElement('msg', type_children)
])
return model
def get_model():
"""Get the model."""
interface_name_model = VariableByteDataModelElement('interface', b'0123456789abcdefghijklmnopqrstuvwxyz.')
type_children = [
SequenceModelElement('exit', [
FixedDataModelElement('s0', b'ntpd exiting on signal '),
DecimalIntegerValueModelElement('signal')
]),
SequenceModelElement('listen-drop', [
FixedDataModelElement('s0', b'Listen and drop on '),
DecimalIntegerValueModelElement('fd'),
FixedDataModelElement('s1', b' '),
interface_name_model,
FixedDataModelElement('s2', b' '),
FirstMatchModelElement('address', [
IpAddressDataModelElement('ipv4'),
DelimitedDataModelElement('ipv6', b' ')
]),
FixedDataModelElement('s3', b' UDP 123')
]),
SequenceModelElement('listen-normal', [
FixedDataModelElement('s0', b'Listen normally on '),
DecimalIntegerValueModelElement('fd'),
FixedDataModelElement('s1', b' '),
interface_name_model,
FixedDataModelElement('s2', b' '),
IpAddressDataModelElement('ip'),
FirstMatchModelElement('msg', [
FixedDataModelElement('port-new', b':123'),
FixedDataModelElement('port-old', b' UDP 123')
])
]),
SequenceModelElement('listen-routing', [
FixedDataModelElement('s0', b'Listening on routing socket on fd #'),
DecimalIntegerValueModelElement('fd'),
FixedDataModelElement('s1', b' for interface updates')
]),
FixedDataModelElement('new-interfaces', b'new interface(s) found: waking up resolver'),
FixedDataModelElement('ntp-io', b'ntp_io: estimated max descriptors: 1024, initial socket boundary: 16'),
FixedDataModelElement('peers-refreshed', b'peers refreshed'),
SequenceModelElement('precision', [
FixedDataModelElement('s0', b'proto: precision = '),
DecimalFloatValueModelElement('precision'),
FixedDataModelElement('s1', b' usec')])]
model = SequenceModelElement('ntpd', [
FixedDataModelElement('sname', b'ntpd['),
DecimalIntegerValueModelElement('pid'),
FixedDataModelElement('s0', b']: '),
FirstMatchModelElement('msg', type_children)
])
return model
def test3get_match_element_single_char(self):
"""A single character is used as delimiter and not consumed (consume_delimiter=False)."""
data = b"this is a match context.\n"
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"a")
value = b"this is "
match_context = DummyMatchContext(data)
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"c")
value = b"this is a mat"
match_context = DummyMatchContext(data)
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"e")
value = b"this is a match cont"
match_context = DummyMatchContext(data)
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"\n")
value = b"this is a match context."
match_context = DummyMatchContext(data)
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
def get_model(user_name_model=None):
"""Return a model to parse a cron message logged via syslog after any standard logging preamble, e.g. from syslog."""
if user_name_model is None:
user_name_model = VariableByteDataModelElement(
'user', b'0123456789abcdefghijklmnopqrstuvwxyz.-')
type_children = [
SequenceModelElement('exec', [
FixedDataModelElement('s0', b'('), user_name_model,
FixedDataModelElement('s1', b') CMD '),
AnyByteDataModelElement('command')
]),
SequenceModelElement('pam', [
FixedDataModelElement('s0', b'pam_unix(cron:session): session '),
FixedWordlistDataModelElement('change', [b'opened', b'closed']),
FixedDataModelElement('s1', b' for user '), user_name_model,
OptionalMatchModelElement(
'openby', FixedDataModelElement('default', b' by (uid=0)'))
])
]
model = FirstMatchModelElement('cron', [
SequenceModelElement('std', [
FixedDataModelElement('sname', b'CRON['),
DecimalIntegerValueModelElement('pid'),
FixedDataModelElement('s0', b']: '),
FirstMatchModelElement('msgtype', type_children)
]),
SequenceModelElement('low', [
FixedDataModelElement('sname', b'cron['),
DecimalIntegerValueModelElement('pid'),
FixedDataModelElement('s0', b']: (*system*'),
DelimitedDataModelElement('rname', b') RELOAD ('),
FixedDataModelElement('s1', b') RELOAD ('),
DelimitedDataModelElement('fname', b')'),
FixedDataModelElement('s2', b')'),
])
])
return model
def test5delimiter_string(self):
"""In this test case a whole string is searched for in the match_data and it is not consumed (consume_delimiter=False)."""
data = b"this is a match context.\n"
value = b"this"
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b" is")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
value = b"th"
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"is")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
value = b"this is a match "
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"context.\n")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
value = b"t"
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"his is a match context.\n")
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_match_results(data, match_element, match_context,
self.id_, self.path, value, value, None)
def test10consume_delimiter_no_match(self):
"""In this test case check if the consume_delimiter parameter is working properly and does not match data."""
data = b"this is a match context.\n"
for char in "bdfgjklpqruvwyz":
delimited_data_model_element = DelimitedDataModelElement(
self.id_, char.encode(), consume_delimiter=True)
match_context = DummyMatchContext(data)
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"other data", consume_delimiter=True)
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"isa", consume_delimiter=True)
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"context\n", consume_delimiter=True)
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
match_context = DummyMatchContext(data)
delimited_data_model_element = DelimitedDataModelElement(
self.id_, b"this is a match context.\n", consume_delimiter=True)
match_element = delimited_data_model_element.get_match_element(
self.path, match_context)
self.compare_no_match_results(data, match_element, match_context)
def get_model():
"""Return the model."""
type_children = [
SequenceModelElement('sent', [
FixedDataModelElement('s0', b'Sent mail for '),
DelimitedDataModelElement('to-addr', b' ('),
FixedDataModelElement('s1', b' ('),
DelimitedDataModelElement('status', b') uid='),
FixedDataModelElement('s2', b') uid='),
DecimalIntegerValueModelElement('uid'),
FixedDataModelElement('s3', b' username='******'username', b' outbytes='),
FixedDataModelElement('s4', b' outbytes='),
DecimalIntegerValueModelElement('bytes')
])
]
model = SequenceModelElement('ssmtp', [
FixedDataModelElement('sname', b'sSMTP['),
DecimalIntegerValueModelElement('pid'),
FixedDataModelElement('s0', b']: '),
FirstMatchModelElement('msg', type_children)
])
return model
def get_tmp_files_model():
"""Return a model to parse a systemd tmpfiles daemon message after any standard logging preamble, e.g. from syslog."""
type_children = [
SequenceModelElement("duplicate", [
FixedDataModelElement("s0", b'[/usr/lib/tmpfiles.d/var.conf:14] Duplicate line for path "'),
DelimitedDataModelElement("path", b'", ignoring.'),
FixedDataModelElement("s2", b'", ignoring.')
])
]
# Will fail on username models including the dot at the end.
model = SequenceModelElement("systemd-tmpfiles", [
FixedDataModelElement("sname", b"systemd-tmpfiles["),
DecimalIntegerValueModelElement("pid"),
FixedDataModelElement("s0", b"]: "),
FirstMatchModelElement("msg", type_children)
])
return model
def get_model(user_name_model=None):
"""Return a model to parse a su session information message after any standard logging preamble, e.g. from syslog."""
if user_name_model is None:
user_name_model = VariableByteDataModelElement(
"user", b"0123456789abcdefghijklmnopqrstuvwxyz.-")
srcuser_name_model = VariableByteDataModelElement(
"srcuser", b"0123456789abcdefghijklmnopqrstuvwxyz.-")
type_children = [
SequenceModelElement("su-good", [
FixedDataModelElement("s0", b"Successful su for "),
user_name_model,
FixedDataModelElement("s1", b" by "), srcuser_name_model
]),
SequenceModelElement("su-good", [
FixedDataModelElement("s0", b"+ "),
DelimitedDataModelElement("terminal", b" "),
FixedDataModelElement("s1", b" "), srcuser_name_model,
FixedDataModelElement("s2", b":"), user_name_model
]),
SequenceModelElement("pam", [
FixedDataModelElement("s0", b"pam_unix(su:session): session "),
FixedWordlistDataModelElement("change", [b"opened", b"closed"]),
FixedDataModelElement("s1", b" for user "), user_name_model,
OptionalMatchModelElement(
"openby",
SequenceModelElement("userinfo", [
FixedDataModelElement("s0", b" by (uid="),
DecimalIntegerValueModelElement("uid"),
FixedDataModelElement("s1", b")")
]))
])
]
model = SequenceModelElement("su", [
FixedDataModelElement("sname", b"su["),
DecimalIntegerValueModelElement("pid"),
FixedDataModelElement("s0", b"]: "),
FirstMatchModelElement("msg", type_children)
])
return model