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imagemagick_write_fuzzing.py
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imagemagick_write_fuzzing.py
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import os
import subprocess
import sys
import threading
import time
MAX_OUTPUT_FILES_DISK_SPACE = 10 * 1024 * 1024 * 1024 # 10 GB disk space for collect GraphicsMagick output files ..
MAX_PROCESS_WAIT_TIME = 10 # wait time for process exit ..
def run_graphicsmagick_convert(input_file,output_file) :
process = subprocess.Popen(['./magick','convert',input_file,output_file],stdout = subprocess.PIPE,stderr = subprocess.PIPE)
process_timeout_exit = lambda : process.kill()
timeout = threading.Timer(MAX_PROCESS_WAIT_TIME,process_timeout_exit)
timeout.start()
process.wait()
timeout.cancel()
std_error_output = process.stderr.read()
if len(std_error_output) and not -1 == std_error_output.find('========') : # ASAN Check ..
flag_address_sanitize = 'ERROR: AddressSanitizer: '
flag_address_sanitize_offset = std_error_output.find(flag_address_sanitize)
flag_leak_sanitize = 'ERROR: LeakSanitizer: '
flag_leak_sanitize_offset = std_error_output.find(flag_leak_sanitize)
if not -1 == flag_address_sanitize_offset :
crash_type = std_error_output[flag_address_sanitize_offset + len(flag_address_sanitize) : ]
crash_type = crash_type[ : crash_type.find('on') ].strip()
crash_type_detail = ''
flag_at_pc = 'pc '
flag_at_pc_offset = std_error_output.find(flag_at_pc)
crash_point = std_error_output[flag_at_pc_offset + len(flag_at_pc) : ]
crash_point = crash_point[ : crash_point.find(' bp')]
if not -1 == crash_type.find('buffer-overflow') : # stack and heap
flag_of_size = ' of size'
flag_of_size_offset = std_error_output.find(flag_of_size)
crash_type_detail = std_error_output[ : flag_of_size_offset]
crash_type_detail = crash_type_detail[crash_type_detail.rfind('\n') : ].strip()
elif 'SEGV' == crash_type : # Null point reference ..
flag_of_address = 'unknown address'
flag_of_address_offset = std_error_output.find(flag_of_address)
crash_type_detail = std_error_output[flag_of_address_offset + len(flag_of_address) : ]
crash_type_detail = crash_type_detail[ : crash_type_detail.find('(')].strip()
# print crash_type,crash_type_detail,crash_point # print for debug ..
return True,crash_type,crash_type_detail,crash_point,std_error_output
elif not -1 == flag_leak_sanitize_offset :
flag_direct_leak = 'Direct leak'
flag_indirect_leak = 'Indirect leak'
memory_leak_id = std_error_output.count(flag_direct_leak) + std_error_output.count(flag_indirect_leak)
return True , 'Memory-Leak' , str(memory_leak_id) , None , std_error_output
# print 'Other Crash ..'
# print std_error_output
return True , None , None , None , std_error_output
return False , None , None , None , None
def delete_all_file(dir) :
dir_list = os.listdir(dir)
for dir_index in dir_list :
os.remove(dir + '/' + dir_index)
def write_file(file_path,data) :
file = open(file_path,'w')
if file :
file.write(data)
file.close()
def read_file(file_path) :
file = open(file_path,'r')
file_data = None
if file :
file_data = file.read()
file.close()
return file_data
def copy_file(src_path,dest_path) :
src_path_data = read_file(src_path)
if not None == src_path_data :
write_file(dest_path,src_path_data)
def copy_all_file(src_dir,dest_dir) :
dir_list = os.listdir(src_dir)
max_file_space = 0
for dir_index in dir_list :
file_path = src_dir + '/' + dir_index
max_file_space += os.path.getsize(file_path)
if max_file_space < MAX_OUTPUT_FILES_DISK_SPACE :
copy_file(file_path,dest_dir + '/' + dir_index) # os.system('cp ' + file_path + ' ' + dest_dir)
else :
break
def get_extern_name(file_path) :
extern_name_split_offset = file_path.rfind('.')
if not -1 == extern_name_split_offset :
return file_path[extern_name_split_offset + 1: ]
return ''
def check_exist_crash(crash_dir,crash_type,crash_information) :
crash_file_list = os.listdir(crash_dir)
if len(crash_file_list) :
for crash_file_index in crash_file_list :
if crash_file_index.startswith(crash_type + '-' + crash_information) :
return True
return False
def print_output(new_information) :
print '\r' , new_information
def print_progress(progress_number,other_information) :
print '\r' ,
print_progress_block = int(progress_number * 100) / 10
print_progress_block_string = ''
for print_progress_block_index in range(print_progress_block) :
print_progress_block_string += '#'
for print_progress_block_index in range(10 - print_progress_block) :
print_progress_block_string += '_'
print_progress_block_string += ' (' + str(int(progress_number * 100)) + ') '
sys.stdout.write(print_progress_block_string + str(other_information) + '\r')
sys.stdout.flush()
imagemagick_output_format = ['output.aai','output.art','output.avs','output.bgr','output.bmp','output.braille','output.cals','output.cin','output.cip','output.clipboard','output.cmyk','output.dds','output.debug','output.dib','output.dpx','output.ept','output.exr','output.fax','output.fits','output.flif','output.fpx','output.gif','output.gray','output.histogram','output.hrz','output.html','output.icon','output.info','output.inline','output.ipl','output.jbig','output.jp2','output.jpeg','output.json','output.magick','output.map','output.mask','output.mat','output.matte','output.meta','output.miff','output.mono','output.mpc','output.mpeg','output.mpr','output.msl','output.mtv','output.mvg','output.null','output.otb','output.palm','output.pcd','output.pcl','output.pcx','output.pdb','output.pdf','output.pgx','output.pict','output.jng','output.mng','output.png','output.pnm','output.ps','output.ps2','output.ps3','output.psd','output.raw','output.rgb','output.rgf','output.sgi','output.sixelt','output.sun','output.svg','output.tga','output.thumbnail','output.ptif','output.tiff','output.txt','output.uil','output.uyvy','output.vicar','output.vid','output.viff','output.vips','output.wbmp','output.webp','output.xbm','output.picon','output.xpm','output.xtrn','output.xwd','output.ycbcr','output.ps3mask','output.group4','output.yuv''output.x']
if __name__ == '__main__' :
if 2 == len(sys.argv) :
input_file_dir = sys.argv[1]
if os.path.exists(input_file_dir) :
if '/' == input_file_dir[-1] :
input_file_dir = input_file_dir[ : -1]
now_time = time.localtime()
now_time_string = str(now_time.tm_year) + '_' + str(now_time.tm_mon) + '_' + str(now_time.tm_mday) + '_' + str(now_time.tm_hour) + '_' + str(now_time.tm_min) + '_' + str(now_time.tm_sec)
crash_dir = input_file_dir + '_' + now_time_string
crash_dir_crash_sample_dir = crash_dir + '/crash'
crash_dir_crash_input_dir = crash_dir + '/input'
crash_dir_crash_output_dir = crash_dir + '/output'
os.mkdir(crash_dir)
os.mkdir(crash_dir_crash_sample_dir)
os.mkdir(crash_dir_crash_input_dir)
os.mkdir(crash_dir_crash_output_dir)
if os.path.isdir(input_file_dir) :
copy_all_file(input_file_dir,crash_dir_crash_input_dir)
elif os.path.isfile(input_file_dir) :
copy_file(input_file_dir,crash_dir_crash_input_dir + '/sample') # os.system('cp ' + input_file_dir + ' ' + crash_dir_crash_input_dir)
loop_index = 0
while True : # dead loop ..
crash_index = 0 # current fuzzing loop get crash total ..
test_index = 0 # current fuzzing loop had test sample total ..
loop_index += 1 # fuzzing loop index ..
output_file_space = 0 # calcute output files space for save disk space ..
graphicsmagick_input_file_list = os.listdir(crash_dir_crash_input_dir)
current_fuzzing_loop_test_files_count = len(graphicsmagick_input_file_list) * len(imagemagick_output_format)
print_output('Fuzzing Write Loop ' + str(loop_index) + ' Start ,Sample Files ' + str(len(graphicsmagick_input_file_list)))
if 0 == len(graphicsmagick_input_file_list) :
print 'Fatal Error : Input File List is Empty ..'
exit()
for graphicsmagick_input_file_index in graphicsmagick_input_file_list :
graphicsmagick_input_file_index_path = crash_dir_crash_input_dir + '/' + graphicsmagick_input_file_index
disk_space_save_signal = False # this flag will exit fuzzing ..
for graphicsmagick_output_format_index in imagemagick_output_format :
graphicsmagick_output = crash_dir_crash_output_dir + '/' + graphicsmagick_input_file_index + '_' + graphicsmagick_output_format_index
graphicsmagick_output_extern_name = get_extern_name(graphicsmagick_output)
print_progress(test_index / (current_fuzzing_loop_test_files_count * 1.0),str(test_index) + '/' + str(current_fuzzing_loop_test_files_count)) # + ' Input:' + graphicsmagick_input_file_index_path + ' Output Format:' + graphicsmagick_output_extern_name + ' ')
result = run_graphicsmagick_convert(graphicsmagick_input_file_index_path,graphicsmagick_output) # it will be block by GraphicsMagick Dead-Loop
if result[0] : # catch crash
crash_file_path = ''
if not None == result[1] :
if 'SEGV' == result[1] or 'Memory-Leak' == result[1] :
if check_exist_crash(crash_dir_crash_sample_dir,result[1],result[2]) :
continue
crash_file_path = result[1] + '-' + result[2] + '_output_' + graphicsmagick_output_extern_name +'_' + str(time.time())
else : # crash overflow ..
if check_exist_crash(crash_dir_crash_sample_dir,result[1],result[2] + '-' + result[3]) :
continue
crash_file_path = result[1] + '-' + result[2] + '-' + result[3] + '_output_' + graphicsmagick_output_extern_name +'_' + str(time.time())
print_output('Crash (' + str(time.time()) + ') ' + result[1] + ' ' + result[2] + ' ' + graphicsmagick_output_extern_name)
else :
crash_file_path = 'unknow_crash_output_' + graphicsmagick_output_extern_name + '_' + str(time.time())
print_output('Crash (' + str(time.time()) + ') unknow crash' + graphicsmagick_output_extern_name)
print_output('Crash Detail :')
print_output(graphicsmagick_input_file_index_path + ' ' + graphicsmagick_output)
print_output(result[4])
copy_file(graphicsmagick_input_file_index_path,crash_dir_crash_sample_dir + '/' + crash_file_path) # os.system('cp ' + graphicsmagick_input_file_index_path + ' ' + crash_dir_crash_sample_dir + '/' + crash_file_path)
crash_index += 1
test_index += 1
try :
output_file_space += os.path.getsize(graphicsmagick_output)
except :
pass
if output_file_space >= MAX_OUTPUT_FILES_DISK_SPACE :
disk_space_save_signal = True
break
if disk_space_save_signal :
break
delete_all_file(crash_dir_crash_input_dir)
copy_all_file(crash_dir_crash_output_dir,crash_dir_crash_input_dir)
delete_all_file(crash_dir_crash_output_dir)
print_output('Fuzzing Write Loop ' + str(loop_index) + ' Exit ,Get Crash :' + str(crash_index))
else :
print 'Fatal Error : input_file_dir not Exists ..'
else :
print 'Using ./graphicsmagick_write_fuzzing.py input_file_dir ..'