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#!/usr/bin/python3
"""USAGE: $ ./export-sddl-fuzz-seeds-as-json DIR [DIR[...]] > x.json
Some of our fuzzers generate SDDL strings with trailing garbage.
This script converts them into the JSON format used by
windows-sddl-tests.py, though it doesn't parse the SDDL, mapping all
strings to an empty list. The idea is you can feed this through
windows-sddl-tests.py or something else to get the correct bytes.
Valid and invalid strings are treated alike, so long as they are
utf-8. The JSON is un-indented, but structurally equivalent to this:
{
"D:P" : [],
"yertle" : [],
"ł\n¼" : [],
}
"""
from pathlib import Path
import sys
import json
def main():
if {'-h', '--help'}.intersection(sys.argv) or len(sys.argv) < 2:
print(__doc__)
sys.exit(len(sys.argv) < 2)
bytes_json = {}
for arg in sys.argv[1:]:
d = Path(arg)
for fn in d.iterdir():
with fn.open("rb") as f:
b = f.read()
# the SDDL string is the nul-terminated portion.
if 0 in b:
b = b[:b.index(0)]
try:
s = b.decode()
except UnicodeDecodeError:
continue
bytes_json[s] = []
out = json.dumps(bytes_json)
print(out)
main()
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