Initial Commit

.gitignore

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+venv

dnproxy.py

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+#!/usr/bin/env python3
+
+import logging as l
+import socket
+
+from pyfiglet import Figlet
+
+import dns.flags
+import dns.message
+import dns.rdataclass
+import dns.rdatatype
+import dns.name
+import dns.query
+
+from typing import cast
+
+# General config
+l.basicConfig(level=l.INFO)
+f = Figlet(font='slant')
+
+l.info(f.renderText('dnproxy'))
+
+# General Parameters
+HOST = '127.0.0.1'
+PORT = 53
+UPSTREAM_IP = '1.1.1.1'
+TLS_HOSTNAME = 'cloudflare-dns.com'
+
+
+with socket.socket(socket.AF_INET, socket.SOCK_DGRAM) as s:
+    s.bind((HOST, PORT))
+    l.info(f"Listening on {HOST}:{PORT}")
+
+    while True:
+        (wire, host) = s.recvfrom(1024)
+        q = dns.message.from_wire(wire)
+        l.info(f'Question {q.id}:{q.question}')
+
+        try:
+            r = dns.query.tls(q, UPSTREAM_IP, server_hostname=TLS_HOSTNAME)
+            l.info(f'Response {r.id}:{r.answer}')
+
+        except KeyError:
+            l.error("error")
+
+        wire = r.to_wire()
+        s.sendto(wire, host)

requirements.txt

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+certifi==2020.12.5
+cffi==1.14.5
+chardet==4.0.0
+cryptography==3.4.5
+dnspython==2.1.0
+idna==2.10
+pycparser==2.20
+pyfiglet==0.8.post1
+requests==2.25.1
+requests-toolbelt==0.9.1
+urllib3==1.26.3