def create_population(grammars, diversification_factor=1):
mutated_grams = []
for g in grammars:
cmd_gram = utilityFunctions.copy_dict(g)
update_current(cmd_gram)
generated = 0
while generated < diversification_factor:
'''
global move_command
if move_command == 0:
move_command = 1 if utilityFunctions.flip_coin(10) == 1 else 0
'''
# 3 steps:
# 1. random crossover
# check if no crossover fuzzer
new_gram = utilityFunctions.copy_dict(
gram_crossover(cmd_gram, move_command)
) if fuzz_type != 2 else utilityFunctions.copy_dict(cmd_gram)
if fuzz_type != 3: # check if no mutation fuzz
# 2. random add or delete
if utilityFunctions.flip_coin() == 1:
gram_random_add_delete(new_gram, move_command)
# 3. random valid/invalid
if utilityFunctions.flip_coin() == 1:
make_gram_invalid(new_gram)
if new_gram not in stored_grammar and new_gram != standard_grammar:
mutated_grams.append(new_gram)
generated += 1
return mutated_grams
def modify_set(gram_set, diversification_factor):
modified_set = []
for _ in range(diversification_factor):
modified_set.append([])
for g in gram_set:
generated = 0
previous_gram = {}
while generated < diversification_factor:
new_gram = utilityFunctions.copy_dict(g)
modify_grammar(new_gram, fuzz_settings, move_command)
if new_gram not in standard_set and new_gram != previous_gram:
modified_set[generated].append(new_gram)
generated += 1
previous_gram = utilityFunctions.copy_dict(new_gram)
return modified_set
def modify_grammar_back(gram):
cmd_gram = utilityFunctions.copy_dict(gram)
# 3 steps:
# 1. random crossover
# check if no crossover fuzzer
new_gram = utilityFunctions.copy_dict(
gram_crossover(cmd_gram, move_command)
) if fuzz_type != 2 else utilityFunctions.copy_dict(cmd_gram)
if fuzz_type != 3: # check if no mutation fuzz
# 2. random add or delete
if utilityFunctions.flip_coin() == 1:
gram_random_add_delete(new_gram, move_command)
# 3. random valid/invalid
if utilityFunctions.flip_coin() == 1:
make_gram_invalid(new_gram)
return new_gram
def create_population(grammars, diversification_factor=1):
mutated_grams = []
if fuzz_settings[1] == '1': # crossover
multi_gram_crossover(grammars)
for g in grammars:
cmd_gram = utilityFunctions.copy_dict(g)
update_current(cmd_gram)
generated = 0
while generated < diversification_factor:
new_gram = utilityFunctions.copy_dict(cmd_gram)
modify_grammar(new_gram, fuzz_settings, move_command)
if new_gram not in stored_grammar and new_gram != standard_grammar:
mutated_grams.append(new_gram)
generated += 1
#else:
# print ('new_gram not new!')
return mutated_grams
def create_population(grammars, diversification_factor=1):
mutated_grams = []
for g in grammars:
cmd_gram = utilityFunctions.copy_dict(g)
update_current(cmd_gram)
generated = 0
while generated < diversification_factor:
'''
global move_command
if move_command == 0:
move_command = 1 if utilityFunctions.flip_coin(10) == 1 else 0
'''
new_gram = utilityFunctions.copy_dict(cmd_gram)
modify_grammar(new_gram, fuzz_settings, move_command)
if new_gram not in stored_grammar and new_gram != standard_grammar:
mutated_grams.append(new_gram)
generated += 1
#else:
# print ('new_gram not new!')
return mutated_grams
