mirror of
https://github.com/veracrypt/VeraCrypt.git
synced 2026-10-21 05:42:35 +00:00
Mounir IDRASSI
7eab121669
Free the key-info buffer and owned crypto context on pre-KDF errors, preserving borrowed contexts and avoiding uninitialized drain resources. Inject every setup allocation and event failure to verify cleanup.
55 lines
2.3 KiB
Python
55 lines
2.3 KiB
Python
#!/usr/bin/env python3
|
|
"""Inject failures into the production Windows header setup/cleanup paths.
|
|
|
|
Extracts those paths verbatim; replaces only the intervening cryptographic search
|
|
with a chosen success/failure result. Tracks allocation, event and lock ownership.
|
|
Run in an x64 MSVC environment: python Tests/test_windows_header_cleanup.py
|
|
"""
|
|
import argparse
|
|
import os
|
|
from pathlib import Path
|
|
import shutil
|
|
import subprocess
|
|
import tempfile
|
|
|
|
from test_windows_kdf_completion import ROOT, block
|
|
|
|
|
|
def main():
|
|
parser = argparse.ArgumentParser(description=__doc__)
|
|
parser.add_argument("--build-dir", type=Path)
|
|
args = parser.parse_args()
|
|
if os.name != "nt" or not shutil.which("cl.exe"):
|
|
parser.error("An x64 MSVC developer environment on Windows is required")
|
|
build = (args.build_dir or Path(tempfile.mkdtemp(prefix="vc-header-cleanup-"))).resolve()
|
|
build.mkdir(parents=True, exist_ok=True)
|
|
source = (ROOT / "src/Common/Volumes.c").read_text()
|
|
start = source.index("int ReadVolumeHeaderWithAbort (")
|
|
header = block(source, start)
|
|
setup = header[:header.index("\tcrypto_loadkey (keyInfo,")]
|
|
cleanup = header[header.index("\nerr:"):]
|
|
signature = source[start:source.index("{", start)]
|
|
(build / "header_cleanup.inc").write_text(signature + setup + """
|
|
if (TestHeaderError) { status = ERR_PASSWORD_WRONG; goto err; }
|
|
status = ERR_SUCCESS;
|
|
goto ret;
|
|
""" + cleanup)
|
|
item_end = source.index("} KeyDerivationWorkItem;") + len("} KeyDerivationWorkItem;")
|
|
item_start = source.rindex("typedef struct", 0, item_end)
|
|
(build / "kdf_item.inc").write_text(source[item_start:item_end])
|
|
exe = build / "windows_header_cleanup_test.exe"
|
|
command = ["cl.exe", "/nologo", "/O2", "/W3", "/WX", "/MD", "/wd4101",
|
|
"/DUNICODE", "/D_UNICODE", f"/I{build}"]
|
|
command += [f"/I{ROOT / 'src' / directory}"
|
|
for directory in ("", "Common", "Crypto", "Crypto/Argon2/include")]
|
|
command += [str(ROOT / "Tests/windows_header_cleanup_test.c"), f"/Fe:{exe}"]
|
|
result = subprocess.run(command, cwd=build, capture_output=True, text=True)
|
|
(build / "build.log").write_text(result.stdout + result.stderr)
|
|
if result.returncode:
|
|
raise RuntimeError(result.stdout + result.stderr)
|
|
subprocess.run([str(exe)], cwd=build, check=True, timeout=30)
|
|
|
|
|
|
if __name__ == "__main__":
|
|
main()
|