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Replace AntiZapret DNS server to a fake one and Use Google DNS-over-HTTPS as a resolver

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ValdikSS 2017-02-16 01:10:10 +03:00
parent a7f95a80b7
commit bda214311e
1 changed files with 24 additions and 30 deletions
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54
blockcheck.py
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@ -14,10 +14,13 @@ import dns.exception
# Configuration
VERSION="0.0.8.6"
dns_records_list = {"gelbooru.com": ['5.178.68.100'],
"e621.net": ['104.25.118.23', '104.25.119.23'],
"sukebei.nyaa.se": ['104.20.74.106', '104.20.75.106'],
"2chru.net": ['212.47.251.61']}
dns_records_list = (
"sukebei.nyaa.se", #First server in this list should have both A and AAAA records
"gelbooru.com",
"e621.net",
"2chru.net",
)
http_list = {
'http://gelbooru.com/':
@ -50,8 +53,8 @@ dpi_list = {
proxy_addr = 'proxy.antizapret.prostovpn.org:3128'
google_dns = '8.8.4.4'
google_dns_v6 = '2001:4860:4860::8844'
antizapret_dns = '195.123.209.38'
antizapret_dns_v6 = '2a02:27ac::10'
fake_dns = '3.3.3.3' #Fake server which should never reply
fake_dns_v6 = '2600::10:20'
google_dns_api = 'https://dns.google.com/resolve'
isup_server = 'isup.me'
isup_fmt = 'http://isup.me/{}'
@ -347,46 +350,37 @@ DNS_IPV4 = 0
DNS_IPV6 = 1
def test_dns(dnstype=DNS_IPV4):
sites = dns_records_list
sites_list = list(sites.keys())
sites_list = list(dns_records_list)
query_type = ("A" if dnstype==DNS_IPV4 else "AAAA")
print("[O] Тестируем " + ("IPv4" if dnstype==DNS_IPV4 else "IPv6") + " DNS")
print("[O] Получаем эталонные DNS с сервера")
try:
remote_dns = urllib.request.urlopen("http://blockcheck.antizapret.prostovpn.org/getdns.php?v=" \
+ DNSVER + "&v6=" + str(dnstype), timeout=10).read()
remote_dns = _decode_bytes(remote_dns).split()
print("\tЭталонные адреса:\t\t", str(remote_dns))
except:
remote_dns = None
print("[☠] Не удалось получить DNS с сервера, результаты могут быть неточными")
resolved_default_dns = _get_a_records(sites_list, query_type)
print("\tАдреса через системный DNS:\t", str(resolved_default_dns))
print("\tЧерез системный DNS:\t", str(resolved_default_dns))
resolved_google_dns = _get_a_records(sites_list, query_type, (google_dns if dnstype==DNS_IPV4 else google_dns_v6))
if resolved_google_dns:
print("\tАдреса через Google DNS:\t", str(resolved_google_dns))
print("\tЧерез Google DNS:\t", str(resolved_google_dns))
else:
print("\tНе удалось подключиться к Google DNS")
resolved_az_dns = _get_a_records(sites_list, query_type, (antizapret_dns if dnstype==DNS_IPV4 else antizapret_dns_v6))
if resolved_az_dns:
print("\tАдреса через DNS AntiZapret:\t", str(resolved_az_dns))
resolved_google_api = _get_a_records(sites_list, query_type, googleapi=True)
if resolved_google_api:
print("\tЧерез Google API:\t", str(resolved_google_api))
else:
print("\tНе удалось подключиться к DNS AntiZapret")
print("\tНе удалось подключиться к Google API")
resolved_fake_dns = _get_a_records((sites_list[0],), query_type, (fake_dns if dnstype==DNS_IPV4 else fake_dns_v6))
if resolved_fake_dns:
print("\tЧерез недоступный DNS:\t", str(resolved_fake_dns))
else:
print("\tНесуществующий DNS не вернул адресов (это не ошибка)")
if not resolved_google_dns or not resolved_default_dns:
return 4
if (remote_dns):
# Если получили IP с сервера, используем их
dns_records = remote_dns
else:
dns_records = sorted([item for sublist in sites.values() for item in sublist])
# Assume that Google API always works and returns correct addresses
dns_records = resolved_google_api
if resolved_default_dns == resolved_google_dns:
if set(resolved_az_dns) == \
({antizapret_dns} if dnstype==DNS_IPV4 else {antizapret_dns_v6}):
if not resolved_fake_dns:
print("[✓] DNS-записи не подменяются")
print("[✓] DNS не перенаправляется")
return 0