def pcfg_mower(config):
print = logging.info
iprint = logging.warning
logging.basicConfig(
level=logging.WARNING if config.quiet else logging.INFO,
format="%(message)s")
rules = Rules(config)
debug = Debug()
if rules.load_grammar():
iprint("ERROR: load_grammar", file=sys.stderr)
return 1
if rules.load_capitalization():
iprint("ERROR: load_capitalization", file=sys.stderr)
return 1
if rules.load_alpha():
iprint("ERROR: load_alpha", file=sys.stderr)
return 1
if rules.load_terminals_cnt():
iprint("ERROR: load_terminals_cnt", file=sys.stderr)
return 1
guess_cnt = rules.get_guesses_cnt()
if guess_cnt == -1:
iprint("ERROR: get_guesses_cnt", file=sys.stderr)
return 1
print("Original:\t" + str(guess_cnt))
if config.output_dir == "":
# output grammar is not defined
# just printing password guesses count
# debug.print_prob_groups(rules)
return 0
filter = Filter(rules)
print("limit: " + str(config.limit))
print("bs: " + str(config.bs))
print("cs: " + str(config.cs))
print("")
print(config.input_dir)
cs = config.cs
print_ruleset_stat(rules, filter, cs, guess_cnt, config.quiet)
if not config.attack_dict_file == "":
attack_dictionaries = Attack_dictionaries(config.attack_dict_file)
if attack_dictionaries.load_dictionaries():
iprint("ERROR: load_dictionaries", file=sys.stderr)
return 1
if attack_dictionaries.assign_probability(rules):
iprint("ERROR: assign_probability", file=sys.stderr)
return 1
rules.append_attack_dictionaries(attack_dictionaries)
filter.rebuild_size("Alpha")
guess_cnt = rules.get_guesses_cnt()
if guess_cnt == -1:
iprint("ERROR: get_guesses_cnt", file=sys.stderr)
return 1
debug.print_appended_dictionary_words(attack_dictionaries,
config.quiet)
if config.limit == 0:
print(config.output_dir)
print_ruleset_stat(rules, filter, cs, guess_cnt, config.quiet)
rules.save_new_grammar()
return 0
while (guess_cnt > config.limit):
filter.mow_grammar()
filter.mow_capitalization(cs)
guess_cnt = rules.get_guesses_cnt()
cs += config.cs
print(config.output_dir)
print_ruleset_stat(rules, filter, cs, guess_cnt, config.quiet)
if rules.save_new_grammar():
iprint("ERROR: save_new_grammar", file=sys.stderr)
return 1
return 0
