Files
rosenpass/marzipan/src/__init__.py
T

342 lines
10 KiB
Python

# from rich.console import Console
import click
from .parser import *
from .util import export, pkgs, rename, setup_exports
target_subdir = "target/proverif"
(__all__, export) = setup_exports()
export(setup_exports)
console = pkgs.rich.console.Console()
logger = pkgs.logging.getLogger(__name__)
def set_logging_logrecordfactory(filename):
old_factory = pkgs.logging.getLogRecordFactory()
def record_factory(*args, **kwargs):
record = old_factory(*args, **kwargs)
record.filename = filename
return record
pkgs.logging.setLogRecordFactory(record_factory)
# def set_logging_format(max_length):
# pass
# #format_str = "{levelname:<8} {filename:<" + str(max_length + 2) + "} {message}"
# #pkgs.logging.basicConfig(level=pkgs.logging.DEBUG, style="{", format=format_str)
@click.group()
def main():
pkgs.logging.basicConfig(level=pkgs.logging.DEBUG)
def eprint(*args, **kwargs):
print(*args, **{"file": pkgs.sys.stderr, **kwargs})
def exc(argv, **kwargs):
eprint("$", *argv)
command = pkgs.subprocess.run(argv, **kwargs)
if command.returncode != 0:
logger.error("subprocess with terminated with non-zero return code.")
eprint("", *argv)
exit(command.returncode)
if command.stdout is not None:
return command.stdout.decode("utf-8")
return ""
def exc_piped(argv, **kwargs):
eprint("$", *argv)
return pkgs.subprocess.Popen(argv, **kwargs)
def clean_line(prev_line, line):
line = line.rstrip()
if pkgs.re.match(r"^Warning: identifier \w+ rebound.$", line) or prev_line is None:
return None
return prev_line
def run_proverif(file, log_file, extra_args=[]):
params = ["proverif", "-test", *extra_args, file]
logger.debug(params)
process = exc_piped(
params,
stderr=pkgs.subprocess.PIPE,
stdout=pkgs.subprocess.PIPE,
text=True,
bufsize=1,
)
try:
prev_line = None
with open(log_file, "a") as log:
for line in process.stdout:
log.write(line)
cleaned_line = clean_line(prev_line, line)
prev_line = line
if cleaned_line is not None:
yield cleaned_line
if prev_line is not None:
yield prev_line
except Exception as e:
# When does this happen? Should the error even be ignored? Metaverif should probably just abort here, right? --karo
logger.error(f"Proverif generated an exception with {params}: {e}")
exit(1)
finally:
process.stdout.close()
return_code = process.wait()
if return_code != 0:
logger.error(
f"Proverif exited with a non-zero error code {params}: {return_code}"
)
if prev_line is not None:
logger.error(f"Last line of log file {log_file}:")
logger.error(f"> {prev_line.rstrip()}")
exit(return_code)
def m4(input_file, output_file):
logger.debug(f"m4: {input_file}, {output_file}")
input_file_path = pkgs.pathlib.Path(input_file)
params = ["m4", "-D", "ProVerif", pkgs.os.path.basename(input_file)]
return exc(
params, stderr=pkgs.sys.stderr, cwd=input_file_path.parent, stdout=output_file
)
def cpp(file, cpp_prep):
logger.debug(f"_cpp: {file}, {cpp_prep}")
file_path = pkgs.pathlib.Path(file)
dirname = file_path.parent
cwd = pkgs.pathlib.Path.cwd()
params = ["cpp", "-P", f"-I{dirname}", file, "-o", cpp_prep]
return exc(params, stderr=pkgs.sys.stderr)
def awk(repo_path, cpp_prep, awk_prep):
params = [
"awk",
"-f",
str(pkgs.os.path.join(repo_path, "marzipan/marzipan.awk")),
cpp_prep,
]
with open(awk_prep, "w") as file:
exc(params, stderr=pkgs.sys.stderr, stdout=file)
file.write("\nprocess main")
def pretty_output_line(prefix, mark, color, text):
content = f"{mark} {text}"
console.print(prefix, style="grey42", end="", no_wrap=True)
console.print(content, style=color)
def pretty_output_init(file_path):
expected = []
descs = []
with open(file_path, "r") as file:
content = file.read()
# Process lemmas first
result = pkgs.re.findall(r"@(lemma)(?=\s+\"([^\"]*)\")", content)
if result:
# The regex only returns lemmas. For lemmas, we always expect the result 'true' from ProVerif.
expected.extend([True for _ in range(len(result))])
descs.extend([e[1] for e in result])
# Then process regular queries
result = pkgs.re.findall(r'@(query|reachable)(?=\s+"[^\"]*")', content)
if result:
# For queries, we expect 'true' from ProVerif, for reachable, we expect 'false'.
expected.extend([e == "@query" for e in result])
reachable_result = pkgs.re.findall(
r'@(query|reachable)\s+"([^\"]*)"', content
)
descs.extend([e[1] for e in reachable_result])
ta = pkgs.time.time()
res = 0
ctr = 0
return (ta, res, ctr, expected, descs)
def pretty_output_step(file_path, line, expected, descs, res, ctr, ta):
tz = pkgs.time.time()
# Output from ProVerif contains a trailing newline, which we do not have in the expected output. Remove it for meaningful matching.
outp_clean_raw = line.rstrip()
if outp_clean_raw == "true":
outp_clean = True
elif outp_clean_raw == "false":
outp_clean = False
else:
outp_clean = outp_clean_raw
if outp_clean == expected[ctr]:
pretty_output_line(f"{int(tz - ta)}s ", "✔", "green", descs[ctr])
else:
res = 1
pretty_output_line(f"{int(tz - ta)}s ", "✖", "red", descs[ctr])
ctr += 1
ta = tz
return (res, ctr, ta)
def pretty_output(file_path):
(ta, res, ctr, expected, descs) = pretty_output_init(file_path)
for line in pkgs.sys.stdin:
(res, ctr, ta) = pretty_output_step(
file_path, line, expected, descs, res, ctr, ta
)
def get_target_dir(path, output):
if output is not None and not output == "":
return pkgs.pathlib.Path(output)
else:
return pkgs.os.path.join(path, target_subdir)
@main.command()
@click.option("--output", "output", required=False)
@click.argument("repo_path")
def analyze(repo_path, output):
target_dir = get_target_dir(repo_path, output)
pkgs.os.makedirs(target_dir, exist_ok=True)
entries = []
analysis_dir = pkgs.os.path.join(repo_path, "analysis")
full_paths = sorted(pkgs.glob.glob(str(analysis_dir) + "/*.entry.mpv"))
entries.extend(full_paths)
# modelnames = [pkgs.os.path.basename(path).replace('.entry.mpv', '') for path in full_paths]
# max_length = max(len(modelname) for modelname in modelnames) if modelnames else 0
# set_logging_format(max_length)
with pkgs.concurrent.futures.ProcessPoolExecutor() as executor:
futures = {
executor.submit(metaverif, repo_path, target_dir, entry): entry
for entry in entries
}
for future in pkgs.concurrent.futures.as_completed(futures):
cmd = futures[future]
logger.info(f"Metaverif {cmd} finished.")
print("all processes finished.")
@main.command()
@click.option("--output", "output", required=False)
@click.argument("repo_path")
def clean(repo_path, output):
cleans_failed = 0
target_dir = get_target_dir(repo_path, output)
if pkgs.os.path.isdir(target_dir):
for filename in pkgs.os.listdir(target_dir):
file_path = pkgs.os.path.join(target_dir, filename)
if pkgs.os.path.isfile(file_path) and pkgs.os.path.splitext(file_path)[
1
] in [".pv", ".log"]:
try:
pkgs.os.remove(file_path)
except Exception as e:
print(f"Error deleting {file_path}: {str(e)}")
cleans_failed += 1
if cleans_failed > 0:
print(f"{cleans_failed} could not be deleted.")
exit(1)
def metaverif(repo_path, tmpdir, file):
# Extract the name using regex
name_match = pkgs.re.search(r"([^/]*)(?=\.entry\.mpv)", file)
if name_match:
name = name_match.group(0) # Get the matched name
set_logging_logrecordfactory(name)
logger.info(f"Start metaverif on {file}")
# Create the file paths
cpp_prep = pkgs.os.path.join(tmpdir, f"{name}.i.pv")
awk_prep = pkgs.os.path.join(tmpdir, f"{name}.o.pv")
# Output the results
print(f"Name: {name}")
print(f"CPP Prep Path: {cpp_prep}")
print(f"AWK Prep Path: {awk_prep}")
cpp(file, cpp_prep)
parse_main(cpp_prep, awk_prep)
# awk(repo_path, cpp_prep, awk_prep)
log_file = pkgs.os.path.join(tmpdir, f"{name}.log")
ta, res, ctr, expected, descs = pretty_output_init(cpp_prep)
with open(log_file, "a") as log:
generator = run_proverif(awk_prep, log_file)
for line in generator:
# parse-result-line:
match = pkgs.re.search(r"^RESULT .* \b(true|false)\b\.$", line)
if match:
result = match.group(1)
# pretty-output:
res, ctr, ta = pretty_output_step(
cpp_prep, result, expected, descs, res, ctr, ta
)
else:
logger.error(
f"No match found for the filename {file}: extension should be .mpv"
)
exit(1)
@main.command()
@click.argument("i_path")
@click.argument("o_path")
def parse(i_path, o_path):
if not pkgs.os.path.isfile(i_path):
logger.error(f"{i_path} is not a file or does not exist.")
exit(1)
if i_path.lower().endswith(".pv"):
logger.info(f"Parsing ProVerif .pv file {i_path}")
try:
parse_main(i_path, o_path)
except pkgs.lark.exceptions.UnexpectedCharacters as e:
logger.error(f"Error {type(e).__name__} parsing {i_path}: {e}")
elif i_path.lower().endswith(".pcv"):
with pkgs.tempfile.NamedTemporaryFile(suffix=".pv", delete_on_close=False) as f:
m4(i_path, f)
try:
parse_main(f.name, o_path)
except pkgs.lark.exceptions.UnexpectedCharacters as e:
logger.error(f"Error {type(e).__name__} parsing {i_path}: {e}")
else:
logger.error(f"Unsupported file extension for file {i_path}")
exit(2)
if __name__ == "__main__":
main()