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Copy pathresolve.py
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172 lines (148 loc) · 5.31 KB
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import gc
import json
from config.log import logger
from config import settings
from common import utils
def filter_subdomain(data):
"""
过滤出无解析内容的子域到新的子域列表
:param list data: 待过滤的数据列表
:return: 符合条件的子域列表
"""
logger.log('DEBUG', f'Filtering subdomains to be resolved')
subdomains = []
for infos in data:
if not infos.get('ip'):
subdomain = infos.get('subdomain')
if subdomain:
subdomains.append(subdomain)
return subdomains
def update_data(data, infos):
"""
更新解析结果
:param list data: 待更新的数据列表
:param dict infos: 子域有关结果信息
:return: 更新后的数据列表
"""
logger.log('DEBUG', f'Updating resolved results')
if not infos:
logger.log('ALERT', f'No valid resolved result')
return data
new_data = list()
for index, items in enumerate(data):
if items.get('ip'):
continue
subdomain = items.get('subdomain')
record = infos.get(subdomain)
if record:
items.update(record)
new_data.append(items)
else:
subdomain = items.get('subdomain')
logger.log('DEBUG', f'{subdomain} resolution has no result')
return new_data
def save_db(name, data):
"""
Save resolved results to database
:param str name: table name
:param list data: data to be saved
"""
logger.log('INFOR', f'Saving resolved results')
utils.save_to_db(name, data, 'resolve')
def save_subdomains(save_path, subdomain_list):
logger.log('DEBUG', f'Saving resolved subdomain')
subdomain_data = '\n'.join(subdomain_list)
if not utils.save_to_file(save_path, subdomain_data):
logger.log('FATAL', 'Save resolved subdomain error')
exit(1)
def gen_infos(data, qname, info, infos):
flag = False
cnames = list()
ips = list()
ttl = list()
answers = data.get('answers')
for answer in answers:
if answer.get('type') == 'A':
flag = True
name = answer.get('name')
cname = name[:-1].lower() # 去除最右边的`.`点号
cnames.append(cname)
ip = answer.get('data')
ips.append(ip)
ttl.append(str(answer.get('ttl')))
info['resolve'] = 1
info['reason'] = 'OK'
info['cname'] = ','.join(cnames)
info['ip'] = ','.join(ips)
info['ttl'] = ','.join(ttl)
infos[qname] = info
if not flag:
logger.log('DEBUG', f'Resolving {qname} have not a record')
info['alive'] = 0
info['resolve'] = 0
info['reason'] = 'NoARecord'
infos[qname] = info
return infos
def deal_output(output_path):
logger.log('INFOR', f'Processing resolved results')
infos = dict() # 用来记录所有域名有关信息
with open(output_path) as fd:
for line in fd:
line = line.strip()
try:
items = json.loads(line)
except Exception as e:
logger.log('ERROR', e.args)
logger.log('ERROR', f'Error resolve line {line}, skip this line')
continue
info = dict()
info['resolver'] = items.get('resolver')
qname = items.get('name')[:-1] # 去除最右边的`.`点号
status = items.get('status')
if status != 'NOERROR':
logger.log('DEBUG', f'Resolving {qname}: {status}')
continue
data = items.get('data')
if 'answers' not in data:
logger.log('DEBUG', f'Resolving {qname} have not any answers')
info['alive'] = 0
info['resolve'] = 0
info['reason'] = 'NoAnswer'
infos[qname] = info
continue
infos = gen_infos(data, qname, info, infos)
return infos
def run_resolve(domain, data):
"""
调用子域解析入口函数
:param str domain: 待解析的主域
:param list data: 待解析的子域数据列表
:return: 解析得到的结果列表
:rtype: list
"""
logger.log('INFOR', f'Start resolving subdomains of {domain}')
subdomains = filter_subdomain(data)
if not subdomains:
return data
massdns_dir = settings.third_party_dir.joinpath('massdns')
result_dir = settings.result_save_dir
temp_dir = result_dir.joinpath('temp')
utils.check_dir(temp_dir)
massdns_path = utils.get_massdns_path(massdns_dir)
timestring = utils.get_timestring()
save_name = f'collected_subdomains_{domain}_{timestring}.txt'
save_path = temp_dir.joinpath(save_name)
save_subdomains(save_path, subdomains)
del subdomains
gc.collect()
output_name = f'resolved_result_{domain}_{timestring}.json'
output_path = temp_dir.joinpath(output_name)
log_path = result_dir.joinpath('massdns.log')
ns_path = utils.get_ns_path()
logger.log('INFOR', f'Running massdns to resolve subdomains')
utils.call_massdns(massdns_path, save_path, ns_path,
output_path, log_path, quiet_mode=True)
infos = deal_output(output_path)
data = update_data(data, infos)
logger.log('INFOR', f'Finished resolve subdomains of {domain}')
return data