filefilter.py

#!/usr/bin/env python
  
import re
import sys
import os
import sets

def is_file(file):
        if file is None:
                return false
        return os.path.isfile(file)

def extract_path(pattern, line, group_nr):
        match = pattern.search(line)        
        path = None
        
        if match:
                file = match.group(group_nr)
                
                if is_file(file) and re.compile('\.so').search(file):
                        path = file
        return path


def main():

        if len(sys.argv) < 2:
                print "usage: filefilter <(strace|ldd) output...>"
                exit(1)

        strace_pattern = re.compile('(openat|open|stat|execve)\([^"]*"([^"]+)"')
        ldd_pattern = re.compile('(/.*) \(0x\w+\)$')

        for arg_file in sys.argv[1:]:

                output_file = open(arg_file, "r")

                path_set = sets.Set()

                for line in output_file:

                        path = extract_path(strace_pattern, line, 2)
                        if path is not None:
                                path_set.add(path)

                        path = extract_path(ldd_pattern, line, 1)
                        if path is not None:
                                path_set.add(path)

                for path in path_set:
                        print path


if __name__ == "__main__":
        main()