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#!/usr/bin/env python3
# For every given file, check its library dependencies, recursively.
import argparse
import re
import subprocess
import sys
def check_libs_macos(obj):
p = subprocess.run(['otool', '-L', obj], stdout=subprocess.PIPE, text=True)
print(p.stdout)
try:
p.check_returncode()
except subprocess.CalledProcessError as e:
print(str(e), file=sys.stderr)
return re.findall(r'^\t(/\S+)', p.stdout, flags=re.M)
parser = argparse.ArgumentParser()
parser.add_argument('files', nargs='+',
help='Executable or library files to check')
def main():
args = parser.parse_args()
if sys.platform == 'darwin':
check_libs = check_libs_macos
elif sys.platform == 'linux':
print('If you trust your program, find its dependencies with:')
print('LD_DEBUG=files your-program --version 2>&1 | grep need')
return
else:
raise RuntimeError('Unsupported platform')
# Queue, top item is at the end.
queue = args.files[::-1]
seen = set()
while queue:
obj = queue.pop()
if obj in seen:
continue
objs = check_libs(obj)
queue.extend(objs[::-1])
seen.add(obj)
if __name__ == '__main__':
main()
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