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#!/usr/bin/env python3
# pylint: disable=invalid-name,missing-docstring
#
# Copyright 2022 Richard Hughes <richard@hughsie.com>
#
# SPDX-License-Identifier: LGPL-2.1-or-later
import argparse
import datetime
import sys
import json
from typing import List
import xml.etree.ElementTree as ET
if __name__ == "__main__":
parser = argparse.ArgumentParser()
parser.add_argument("-v", "--version", type=str, help="fwupd version")
parser.add_argument("-s", "--schema-version", type=str, help="schema version")
parser.add_argument(
"filename_dst", action="store", type=str, help="XML destination"
)
parser.add_argument("json_attrs", nargs="+", help="JSON attributes")
args = parser.parse_args()
# parse JSON
items: List[str] = []
for fn in sorted(args.json_attrs):
try:
with open(fn, "rb") as f:
item = json.loads(f.read())
except json.decoder.JSONDecodeError as e:
print(f"failed to parse {fn}: {str(e)}")
sys.exit(1)
for tag in ["id", "name", "failure-results"]:
if tag not in item:
print("skipping {} as no {}".format(fn), tag)
continue
items.append(item)
oval_definitions = ET.Element("oval_definitions")
oval_definitions.set("xmlns", "http://oval.mitre.org/XMLSchema/oval-definitions-5")
oval_definitions.set("xmlns:oval", "http://oval.mitre.org/XMLSchema/oval-common-5")
oval_definitions.set(
"xmlns:unix-def", "http://oval.mitre.org/XMLSchema/oval-definitions-5#unix"
)
oval_definitions.set(
"xmlns:red-def", "http://oval.mitre.org/XMLSchema/oval-definitions-5#linux"
)
oval_definitions.set(
"xmlns:ind-def",
"http://oval.mitre.org/XMLSchema/oval-definitions-5#independent",
)
oval_definitions.set("xmlns:xsi", "http://www.w3.org/2001/XMLSchema-instance")
oval_definitions.set(
"xsi:schemaLocation",
"http://oval.mitre.org/XMLSchema/oval-common-5 oval-common-schema.xsd "
"http://oval.mitre.org/XMLSchema/oval-definitions-5 oval-definitions-schema.xsd "
"http://oval.mitre.org/XMLSchema/oval-definitions-5#unix unix-definitions-schema.xsd "
"http://oval.mitre.org/XMLSchema/oval-definitions-5#linux linux-definitions-schema.xsd",
)
generator = ET.SubElement(oval_definitions, "generator")
for key, value in {
"oval:product_name": "fwupd",
"oval:product_version": args.version,
"oval:schema_version": args.schema_version,
"oval:timestamp": datetime.datetime.now().isoformat(),
}.items():
oval = ET.SubElement(generator, key)
oval.text = value
definitions = ET.SubElement(oval_definitions, "definitions")
for item in items:
definition = ET.SubElement(definitions, "definition")
definition.set("class", "patch")
definition.set("id", f"oval:{item['id']}:def:1")
definition.set("version", "1")
metadata = ET.SubElement(definition, "metadata")
ET.SubElement(metadata, "title").text = item["name"]
affected = ET.SubElement(metadata, "affected")
affected.set("family", "unix")
ET.SubElement(affected, "platform").text = "All" # is this valid?
if "issues" in item:
for issue in item["issues"]:
reference = ET.SubElement(metadata, "reference")
reference.set("ref_id", issue)
if issue.startswith("CVE-"):
reference.set(
"ref_url", f"https://nvd.nist.gov/vuln/detail/{issue}"
)
reference.set("source", "CVE")
if "description" in item:
ET.SubElement(metadata, "description").text = "\n".join(item["description"])
criteria = ET.SubElement(definition, "criteria")
criteria.set("operator", "OR")
criterion = ET.SubElement(criteria, "criterion")
criterion.set("comment", item["name"])
criterion.set("test_ref", f"oval:{item['id']}:tst:1")
tests = ET.SubElement(oval_definitions, "tests")
for item in items:
red_def = ET.SubElement(tests, "red-def:fwupdsecattr_test")
red_def.set("check", "at least one")
red_def.set("comment", item["name"])
red_def.set("id", f"oval:{item['id']}:tst:1")
red_def.set("version", "1")
red_def_object = ET.SubElement(red_def, "red-def:object")
red_def_object.set("object_ref", f"oval:{item['id']}:obj:1")
red_def_state = ET.SubElement(red_def, "red-def:state")
red_def_state.set("state_ref", f"oval:{item['id']}:ste:1")
objects = ET.SubElement(oval_definitions, "objects")
for item in items:
red_def = ET.SubElement(objects, "red-def:fwupdsecattr_object")
red_def.set("id", f"oval:{item['id']}:obj:1")
red_def.set("version", "1")
red_def_stream_id = ET.SubElement(red_def, "red-def:stream-id")
red_def_stream_id.set("datatype", "string")
red_def_stream_id.text = format(item["id"])
states = ET.SubElement(oval_definitions, "states")
for item in items:
red_def = ET.SubElement(states, "red-def:fwupdsecattr_state")
red_def.set("id", f"oval:{item['id']}:ste:1")
red_def.set("version", "1")
red_def_security_attr = ET.SubElement(red_def, "red-def:security-attr")
red_def_security_attr.set("datatype", "string")
red_def_security_attr.set("operation", "pattern match")
red_def_security_attr.text = "|".join(
[value for value, _ in item["failure-results"].items()]
)
ET.indent(oval_definitions, space=" ", level=0)
with open(args.filename_dst, "wb") as f:
f.write(ET.tostring(oval_definitions, encoding="utf-8", xml_declaration=True))
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