def _get_input_filename(self):
"""
Gets a filename from the Mutation Queue
Moves the Queue elements around
(from mutation to processed one)
"""
if mutationQueue.empty():
# Mutation Queue is empty. Restore the elements
# (from the processed Queue)
while not processedQueue.empty():
mutationQueue.put(processedQueue.get())
e = mutationQueue.get()
processedQueue.put(e)
return e.filename
def _get_input_filename(self):
"""
Gets a filename from the Mutation Queue
Moves the Queue elements around
(from mutation to processed one)
"""
if mutationQueue.empty():
# Mutation Queue is empty. Restore the elements
# (from the processed Queue)
while not processedQueue.empty():
mutationQueue.put(processedQueue.get())
e = mutationQueue.get()
processedQueue.put(e)
return e.filename
def fuzzing_loop():
"""
Fuzzing Loop.
This loops (maybe indefinitely) creating several
fuzzing processes
"""
m_id = 0
# Instantiate without params to deactivate debugging
filegen = myFileGenerator(debug = DEBUG)
# Initialize the Queue with the sample files
ml.info("[*] Initializing queue...")
for s in fileops.get_all_filenames(filegen.mutations_dir):
mutationQueue.put(FileToMutate(0, s, m_id, None))
m_id += 1
ml.info("[*] Queue initialized with %d files" % m_id)
ml.info("[*] Starting fuzzing process...")
while True:
# subprocess.call() is blocking, exactly what I need :)
# Execution continues when this subprocess returns, either:
# * instrumented process exits
# * instrumented process crashes
# * timeout expires (implemented in PinTool)
m_id += 1
# This generates the mutations and
# it writes the current test file
mutation_filename = filegen.write_test_case()
if mutation_filename:
mutation_bitmap = run_under_pin(mutation_filename)
else:
continue
# Get the bitmap of the original file (mutation parent)
interesting = is_interesting_input(mutation_bitmap)
if not interesting:
# Uninteresting. Throwing away this mutation.
filegen.delete_current_test_case()
elif interesting == 1:
# ml.info("*** id: %d: Interesting file. Caused a whole new path. ***" % m_id)
mutationQueue.put(FileToMutate(1, mutation_filename, m_id, mutation_bitmap))
elif interesting == 2:
# ml.info("*** id: %d: The hit count moved to another bin. ***" % m_id)
mutationQueue.put(FileToMutate(2, mutation_filename, m_id, mutation_bitmap))
elif interesting == 3:
ml.info('**** CRASH ****' * 4)
ml.info(mutation_filename)
cmd = [myConfig.cfg.get('target_info', 'filename'), mutation_filename]
# Analyzes the crash (and saves it, if determined interesting)
analyze_crash(cmd)
def fuzzing_loop():
"""
Fuzzing Loop.
This loops (maybe indefinitely) creating several
fuzzing processes
"""
m_id = 0
# Instantiate without params to deactivate debugging
filegen = myFileGenerator(debug = DEBUG)
# Initialize the Queue with the sample files
ml.info("[*] Initializing queue...")
for s in fileops.get_all_filenames(filegen.mutations_dir):
mutationQueue.put(FileToMutate(0, s, m_id, None))
m_id += 1
ml.info("[*] Queue initialized with %d files" % m_id)
ml.info("[*] Starting fuzzing process...")
while True:
# subprocess.call() is blocking, exactly what I need :)
# Execution continues when this subprocess returns, either:
# * instrumented process exits
# * instrumented process crashes
# * timeout expires (implemented in PinTool)
m_id += 1
# This generates the mutations and
# it writes the current test file
mutation_filename = filegen.write_test_case()
if mutation_filename:
mutation_bitmap = run_under_pin(mutation_filename)
else:
continue
# Get the bitmap of the original file (mutation parent)
interesting = is_interesting_input(mutation_bitmap)
if not interesting:
# Uninteresting. Throwing away this mutation.
filegen.delete_current_test_case()
elif interesting == 1:
# ml.info("*** id: %d: Interesting file. Caused a whole new path. ***" % m_id)
mutationQueue.put(FileToMutate(1, mutation_filename, m_id, mutation_bitmap))
elif interesting == 2:
# ml.info("*** id: %d: The hit count moved to another bin. ***" % m_id)
mutationQueue.put(FileToMutate(2, mutation_filename, m_id, mutation_bitmap))
elif interesting == 3:
ml.info('**** CRASH ****' * 4)
ml.info(mutation_filename)
cmd = [cfg.get('target_info', 'filename'), mutation_filename]
# Analyzes the crash (and saves it, if determined interesting)
analyze_crash(cmd)
