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#!/usr/bin/env python
# This Source Code Form is subject to the terms of the Mozilla Public
# License, v. 2.0. If a copy of the MPL was not distributed with this
# file, You can obtain one at http://mozilla.org/MPL/2.0/.
# run the Winchecksec tool (https://github.com/trailofbits/winchecksec)
# against a given Windows binary.
import json
import subprocess
import sys
import buildconfig
# usage
if len(sys.argv) != 2:
print("""usage : autowinchecksec.by path_to_binary""")
sys.exit(0)
binary_path = sys.argv[1]
# execute winchecksec against the binary, using the WINCHECKSEC environment
# variable as the path to winchecksec.exe
try:
winchecksec_path = buildconfig.substs["WINCHECKSEC"]
except KeyError:
print(
"TEST-UNEXPECTED-FAIL | autowinchecksec.py | WINCHECKSEC environment variable is "
"not set, can't check DEP/ASLR etc. status."
)
sys.exit(1)
wine = buildconfig.substs.get("WINE")
if wine and winchecksec_path.lower().endswith(".exe"):
cmd = [wine, winchecksec_path]
else:
cmd = [winchecksec_path]
try:
result = subprocess.check_output(cmd + ["-j", binary_path], universal_newlines=True)
except subprocess.CalledProcessError as e:
print(
"TEST-UNEXPECTED-FAIL | autowinchecksec.py | Winchecksec returned error code %d:\n%s"
% (e.returncode, e.output)
)
sys.exit(1)
result = json.loads(result)
checks = [
"aslr",
"cfg",
"dynamicBase",
"gs",
"isolation",
"nx",
"seh",
]
if buildconfig.substs["TARGET_CPU"] == "x86":
checks += [
"safeSEH",
]
else:
checks += [
"highEntropyVA",
]
failed = [c for c in checks if result.get(c) is False]
if failed:
print(
"TEST-UNEXPECTED-FAIL | autowinchecksec.py | Winchecksec reported %d error(s) for %s"
% (len(failed), binary_path)
)
print(
"TEST-UNEXPECTED-FAIL | autowinchecksec.py | The following check(s) failed: %s"
% (", ".join(failed))
)
sys.exit(1)
else:
print("TEST-PASS | autowinchecksec.py | %s succeeded" % binary_path)
|
