|
1
|
1 |
|
import sys |
|
2
|
1 |
|
import os |
|
3
|
|
|
|
|
4
|
1 |
|
from lxml import etree as ET |
|
5
|
|
|
|
|
6
|
1 |
|
from ._xml_parser_oval_scan_definitions import _XmlParserScanDefinitions |
|
7
|
1 |
|
from ._builder_oval_graph import _BuilderOvalGraph |
|
8
|
|
|
|
|
9
|
1 |
|
ns = { |
|
10
|
|
|
'XMLSchema': 'http://oval.mitre.org/XMLSchema/oval-results-5', |
|
11
|
|
|
'xccdf': 'http://checklists.nist.gov/xccdf/1.2', |
|
12
|
|
|
'arf': 'http://scap.nist.gov/schema/asset-reporting-format/1.1', |
|
13
|
|
|
'oval-definitions': 'http://oval.mitre.org/XMLSchema/oval-definitions-5', |
|
14
|
|
|
'scap': 'http://scap.nist.gov/schema/scap/source/1.2', |
|
15
|
|
|
'oval-characteristics': 'http://oval.mitre.org/XMLSchema/oval-system-characteristics-5', |
|
16
|
|
|
} |
|
17
|
|
|
|
|
18
|
|
|
|
|
19
|
1 |
|
class XmlParser: |
|
20
|
1 |
|
def __init__(self, src): |
|
21
|
1 |
|
self.src = src |
|
22
|
1 |
|
self.tree = ET.parse(self.src) |
|
23
|
1 |
|
self.root = self.tree.getroot() |
|
24
|
1 |
|
self.oval_graph_builder = _BuilderOvalGraph() |
|
25
|
|
|
|
|
26
|
1 |
|
if not self.validate( |
|
27
|
|
|
'schemas/arf/1.1/asset-reporting-format_1.1.0.xsd'): |
|
28
|
1 |
|
CRED = '\033[91m' |
|
29
|
1 |
|
CEND = '\033[0m' |
|
30
|
1 |
|
print( |
|
31
|
|
|
CRED + |
|
32
|
|
|
"Warning: This file is not valid arf report." + |
|
33
|
|
|
CEND, |
|
34
|
|
|
file=sys.stderr) |
|
35
|
1 |
|
try: |
|
36
|
1 |
|
self.used_rules = self._get_used_rules() |
|
37
|
1 |
|
self.report_data = self._get_report_data( |
|
38
|
|
|
self.used_rules[0]['href']) |
|
39
|
1 |
|
self.notselected_rules = self._get_notselected_rules() |
|
40
|
1 |
|
self.definitions = self._get_definitions() |
|
41
|
1 |
|
self.oval_definitions = self._get_oval_definitions() |
|
42
|
1 |
|
self.scan_definitions = _XmlParserScanDefinitions( |
|
43
|
|
|
self.definitions, self.oval_definitions, self.report_data).get_scan() |
|
44
|
1 |
|
except BaseException: |
|
45
|
1 |
|
raise ValueError("err- This is not arf report file.") |
|
46
|
|
|
|
|
47
|
1 |
|
def get_src(self, src): |
|
48
|
1 |
|
_dir = os.path.dirname(os.path.realpath(__file__)) |
|
49
|
1 |
|
FIXTURE_DIR = os.path.join(_dir, src) |
|
50
|
1 |
|
return str(FIXTURE_DIR) |
|
51
|
|
|
|
|
52
|
1 |
|
def validate(self, xsd_path): |
|
53
|
1 |
|
xsd_path = self.get_src(xsd_path) |
|
54
|
1 |
|
xmlschema_doc = ET.parse(xsd_path) |
|
55
|
1 |
|
xmlschema = ET.XMLSchema(xmlschema_doc) |
|
56
|
|
|
|
|
57
|
1 |
|
xml_doc = self.tree |
|
58
|
1 |
|
result = xmlschema.validate(xml_doc) |
|
59
|
|
|
|
|
60
|
1 |
|
return result |
|
61
|
|
|
|
|
62
|
1 |
|
def _get_used_rules(self): |
|
63
|
1 |
|
rulesResults = self.root.findall( |
|
64
|
|
|
'.//xccdf:TestResult/xccdf:rule-result', ns) |
|
65
|
1 |
|
rules = [] |
|
66
|
1 |
|
for ruleResult in rulesResults: |
|
67
|
1 |
|
result = ruleResult.find('.//xccdf:result', ns) |
|
68
|
1 |
|
if result.text != "notselected": |
|
69
|
1 |
|
check_content_ref = ruleResult.find( |
|
70
|
|
|
'.//xccdf:check/xccdf:check-content-ref', ns) |
|
71
|
1 |
|
if check_content_ref is not None: |
|
72
|
1 |
|
rules.append(dict( |
|
73
|
|
|
id_rule=ruleResult.get('idref'), |
|
74
|
|
|
id_def=check_content_ref.attrib.get('name'), |
|
75
|
|
|
href=check_content_ref.attrib.get('href'), |
|
76
|
|
|
result=result.text, |
|
77
|
|
|
)) |
|
78
|
1 |
|
return rules |
|
79
|
|
|
|
|
80
|
1 |
|
def _get_report_data(self, href): |
|
81
|
1 |
|
report_data = None |
|
82
|
1 |
|
reports = self.root.find('.//arf:reports', ns) |
|
83
|
1 |
|
for report in reports: |
|
84
|
1 |
|
if "#" + str(report.get("id")) == href: |
|
85
|
1 |
|
report_data = report |
|
86
|
1 |
|
return report_data |
|
87
|
|
|
|
|
88
|
1 |
|
def _get_notselected_rules(self): |
|
89
|
1 |
|
rulesResults = self.root.findall( |
|
90
|
|
|
'.//xccdf:TestResult/xccdf:rule-result', ns) |
|
91
|
1 |
|
rules = [] |
|
92
|
1 |
|
for ruleResult in rulesResults: |
|
93
|
1 |
|
result = ruleResult.find('.//xccdf:result', ns) |
|
94
|
1 |
|
if result.text == "notselected": |
|
95
|
1 |
|
rules.append(dict(id_rule=ruleResult.get('idref'))) |
|
96
|
1 |
|
return rules |
|
97
|
|
|
|
|
98
|
1 |
|
def _get_definitions(self): |
|
99
|
1 |
|
data = self.report_data.find( |
|
100
|
|
|
('.//XMLSchema:oval_results/XMLSchema:results/' |
|
101
|
|
|
'XMLSchema:system/XMLSchema:definitions'), ns) |
|
102
|
1 |
|
return data |
|
103
|
|
|
|
|
104
|
1 |
|
def _get_oval_definitions(self): |
|
105
|
1 |
|
return self.root.find( |
|
106
|
|
|
'.//arf:report-requests/arf:report-request/' |
|
107
|
|
|
'arf:content/scap:data-stream-collection/' |
|
108
|
|
|
'scap:component/oval-definitions:oval_definitions/' |
|
109
|
|
|
'oval-definitions:definitions', ns) |
|
110
|
|
|
|
|
111
|
1 |
|
def _get_definition_of_rule(self, rule_id): |
|
112
|
1 |
|
for definition in self.scan_definitions['definitions']: |
|
113
|
1 |
|
if self.get_def_id_by_rule_id(rule_id) == definition['id']: |
|
114
|
1 |
|
return dict(rule_id=rule_id, definition=definition) |
|
115
|
|
|
|
|
116
|
1 |
|
def get_def_id_by_rule_id(self, rule_id): |
|
117
|
1 |
|
for rule in self.notselected_rules: |
|
118
|
1 |
|
if rule['id_rule'] == rule_id: |
|
119
|
1 |
|
raise ValueError( |
|
120
|
|
|
'err- rule "{}" was not selected, so there are no results.' |
|
121
|
|
|
.format(rule_id)) |
|
122
|
1 |
|
for rule in self.used_rules: |
|
123
|
1 |
|
if rule['id_rule'] == rule_id: |
|
124
|
1 |
|
return rule['id_def'] |
|
125
|
1 |
|
raise ValueError('err- 404 rule not found!') |
|
126
|
|
|
|
|
127
|
1 |
|
def get_oval_tree(self, rule_id=None): |
|
128
|
1 |
|
return self.oval_graph_builder.get_oval_graph_from_dict_of_rule( |
|
129
|
|
|
self._get_definition_of_rule(rule_id)) |
|
130
|
|
|
|
OpenSCAP /
oval-graph
