Fixed Python version not looking in the output directory for root servers

This commit is contained in:
Dionysus 2023-11-25 20:38:07 -05:00
parent 2c1f7d7996
commit 2d33d231d4
Signed by: acidvegas
GPG Key ID: EF4B922DB85DC9DE

View File

@ -48,7 +48,7 @@ def attempt_axfr(tld: str, nameserver: str, filename: str):
def get_nameservers(target: str) -> list:
'''
Generate a list of the root nameservers.
:param target: The target domain to get the nameservers for.
'''
try:
@ -62,11 +62,17 @@ def get_nameservers(target: str) -> list:
return []
def get_root_tlds() -> list:
'''Get the root TLDs from a root nameservers.'''
rndroot = [root for root in os.listdir('root') if root.endswith('.root-servers.net.txt')][0]
def get_root_tlds(output_dir: str) -> list:
'''
Get the root TLDs from a root nameservers.
:param output_dir: The output directory to use.
'''
root_dir = os.path.join(output_dir, 'root')
rndroot = [root for root in os.listdir(root_dir) if root.endswith('.root-servers.net.txt')]
if rndroot:
tlds = sorted(set([item.split()[0][:-1] for item in open(rndroot).read().split('\n') if item and 'IN' in item and 'NS' in item]))
rndroot_file = rndroot[0] # Take the first file from the list
tlds = sorted(set([item.split()[0][:-1] for item in open(os.path.join(root_dir, rndroot_file)).read().split('\n') if item and 'IN' in item and 'NS' in item]))
else:
logging.warning('Failed to find root nameserver list...fallback to using IANA list')
tlds = urllib.request.urlopen('https://data.iana.org/TLD/tlds-alpha-by-domain.txt').read().decode('utf-8').lower().split('\n')[1:]
@ -121,14 +127,15 @@ if __name__ == '__main__':
dns.resolver._DEFAULT_TIMEOUT = args.timeout
logging.info('Fetching root nameservers...')
os.makedirs(os.path.join(args.output, 'root'), exist_ok=True)
root_dir = os.path.join(args.output, 'root')
os.makedirs(root_dir, exist_ok=True)
with concurrent.futures.ThreadPoolExecutor(max_workers=args.concurrency) as executor:
futures = [executor.submit(attempt_axfr, '', root, os.path.join(args.output, f'root/{root}.txt')) for root in get_nameservers('')]
futures = [executor.submit(attempt_axfr, tld, ns, os.path.join(args.output, tld + '.txt')) for tld in get_root_tlds(root_dir) for ns in get_nameservers(tld) if ns]
for future in concurrent.futures.as_completed(futures):
try:
future.result()
except Exception as e:
logging.error(f'Error in root server task: {e}')
logging.error(f'Error in TLD task: {e}')
logging.info('Fetching root TLDs...')
with concurrent.futures.ThreadPoolExecutor(max_workers=args.concurrency) as executor: