new file: .vscode/settings.json

deleted:    client/clientconf.yaml
	deleted:    client/dnssender.py
	deleted:    client/main.py
	modified:   database/initdb.py
	deleted:    database/test.py
	deleted:    node/main.py
	deleted:    node/nodeconf.yaml
	deleted:    node/proxy.py
	modified:   server/xiaomiandns.py
This commit is contained in:
Smart-SangGe 2023-06-07 17:06:37 +08:00
parent 435c534e9d
commit 647c92c8dc
10 changed files with 57 additions and 259 deletions

6
.vscode/settings.json vendored Normal file
View File

@ -0,0 +1,6 @@
{
"[python]": {
"editor.defaultFormatter": "ms-python.autopep8"
},
"python.formatting.provider": "none"
}

View File

View File

@ -1,24 +0,0 @@
import dns.resolver
def resolver(domain):
# 构造 DNS 查询请求
qtype = 'A'
# 发送 DNS 查询请求
resolver = dns.resolver.Resolver()
resolver.nameservers = ["127.0.0.1"]
try:
ip = resolver.resolve(domain, qtype)[0]
return ip
except dns.resolver.NXDOMAIN:
print("can't find IP")
if __name__ == "__main__":
domain = 'mamahaha.work'
ip = resolver(domain)
print(ip)

View File

@ -1,66 +0,0 @@
from cryptography.hazmat.primitives.asymmetric import rsa, padding
from cryptography.hazmat.primitives import serialization, hashes
import base64
import random
# 生产随机域名
def generate_domain() -> str:
domain = random.getrandbits(64)
domain = hex(domain)[2:]
return domain + ".xiaomian"
def generate_key():
# Generate a new RSA key pair
private_key = rsa.generate_private_key(
public_exponent=65537,
key_size=2048
)
public_key = private_key.public_key()
# Convert keys to bytes
private_key_bytes = private_key.private_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PrivateFormat.PKCS8,
encryption_algorithm=serialization.NoEncryption()
)
public_key_bytes = public_key.public_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PublicFormat.SubjectPublicKeyInfo
)
# Encode bytes as base64
private_key_base64 = base64.b64encode(private_key_bytes).decode('utf-8')
public_key_base64 = base64.b64encode(public_key_bytes).decode('utf-8')
return private_key_base64, public_key_base64
# # Encrypt a message using the public key
# message = b"Hello World"
# encrypted_message = public_key.encrypt(
# message,
# padding.OAEP(
# mgf=padding.MGF1(algorithm=hashes.SHA256()),
# algorithm=hashes.SHA256(),
# label=None
# )
# )
# # Decrypt the message using the private key
# decrypted_message = private_key.decrypt(
# encrypted_message,
# padding.OAEP(
# mgf=padding.MGF1(algorithm=hashes.SHA256()),
# algorithm=hashes.SHA256(),
# label=None
# )
# )
# print(decrypted_message)
if __name__ == '__main__':
print("Welcome to my xiaomiao tor network")
domain = generate_domain()
private_key_base64, public_key_base64 = generate_key()

View File

@ -1,13 +1,13 @@
import sqlite3 import sqlite3
# 用于创建
db_file = 'database/dns.db' db_file = 'database/dns.db'
if __name__ == '__main__': if __name__ == '__main__':
conn = sqlite3.connect(db_file) conn = sqlite3.connect(db_file)
cursor = conn.cursor() cursor = conn.cursor()
try: try:
cursor.execute( cursor.execute(
'''CREATE TABLE xiaomiandns(domain TEXT PRIMARY KEY, ip TEXT, pubkey TEXT, nodetype TEXT,timestamp DATETIME)''') '''CREATE TABLE xiaomiandns(domain TEXT PRIMARY KEY, ip TEXT,timestamp DATETIME)''')
# node type contain 3 types: client, node, server
except sqlite3.OperationalError: except sqlite3.OperationalError:
print("table xiaomiandns already exists") print("table xiaomiandns already exists")
conn.commit() conn.commit()

View File

@ -1,23 +0,0 @@
import sqlite3
db_file = 'database/dns.db'
if __name__ == '__main__':
conn = sqlite3.connect(db_file)
cursor = conn.cursor()
domain = 'mamahaha.wor12'
ip = "1.1.1.11"
pubkey = "asdfasdfadfsdf"
cursor.execute("SELECT * FROM xiaomiandns WHERE domain = ? OR ip = ? OR pubkey = ?",
(domain, ip, pubkey))
existing_data = cursor.fetchall()
if existing_data:
print("qqqqqq")
else:
# Insert the new data
cursor.execute(
"INSERT INTO xiaomiandns (domain, ip, pubkey) VALUES (?, ?, ?)", (domain, ip, pubkey))
print("Data inserted successfully")
conn.commit()
cursor.close()
conn.close()

View File

@ -1,2 +0,0 @@
import yaml

View File

View File

@ -1,55 +0,0 @@
import socket
import socketserver
import struct
import select
class ThreadingTCPServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
pass
class Socks5Handler(socketserver.BaseRequestHandler):
VERSION = 5
def handle(self):
# 客户端发送版本和方法
version, nmethods = struct.unpack('!BB', self.request.recv(2))
self.request.recv(nmethods)
# 发送版本和方法响应
self.request.sendall(struct.pack('!BB', self.VERSION, 0))
# 获取请求详情
version, cmd, _, address_type = struct.unpack('!BBBB', self.request.recv(4))
if address_type == 1: # IPv4
address = socket.inet_ntoa(self.request.recv(4))
else:
raise NotImplementedError('Only IPv4 is supported.')
port = struct.unpack('!H', self.request.recv(2))[0]
# 发送响应
self.request.sendall(struct.pack('!BBBBIH', self.VERSION, 0, 0, 1,
int(socket.inet_aton('0.0.0.0').hex(), 16), 0))
# 建立连接
if cmd == 1: # CONNECT
remote = socket.socket(socket.AF_INET, socket.SOCK_STREAM)
remote.connect((address, port))
self.exchange_loop(self.request, remote)
else:
raise NotImplementedError('Only CONNECT is supported.')
def exchange_loop(self, client, remote):
while True:
# Simple data exchange between client and remote
rlist, _, _ = select.select([client, remote], [], [])
if client in rlist:
data = client.recv(4096)
if remote.send(data) <= 0:
break
if remote in rlist:
data = remote.recv(4096)
if client.send(data) <= 0:
break
if __name__ == '__main__':
with ThreadingTCPServer(('0.0.0.0', 1080), Socks5Handler) as server:
server.serve_forever()

View File

@ -13,10 +13,12 @@ import re
import base64 import base64
from cryptography.hazmat.primitives.asymmetric import rsa, padding from cryptography.hazmat.primitives.asymmetric import rsa, padding
from cryptography.hazmat.primitives import serialization, hashes from cryptography.hazmat.primitives import serialization, hashes
import yaml
class DNSServer: class DNSServer:
def __init__(self, hostname, port, db_file): def __init__(self, hostname, port, db_file):
self.hostname = hostname self.hostname = hostname
self.port = port self.port = port
@ -90,11 +92,13 @@ class DNSServer:
class DNSAPI: class DNSAPI:
# usage: use POST method """
# /add usage: use POST method
# data: domian=xxxx&ip=xx.xx.xx.xx&pubkey=xxxxx&nodetype=xxxx /add
# /delete data: domian=xxxx&ip=xx.xx.xx.xx
# data: domian=xxxx&ip=xx.xx.xx.xx&prikey=xxxxx&nodetype=xxxx /delete
data: domian=xxxx&ip=xx.xx.xx.xx
"""
def __init__(self, hostname, port, db_file): def __init__(self, hostname, port, db_file):
self.hostname = hostname self.hostname = hostname
@ -131,7 +135,7 @@ class DNSAPI:
data = request.split('\r\n')[-1] data = request.split('\r\n')[-1]
response = self.handle_post_request(url, data) response = self.handle_post_request(url, data)
else: else:
response = self.handle_error_request() response = self.handle_error_request(url)
return response return response
@ -195,9 +199,9 @@ class DNSAPI:
def add_data(self, data): def add_data(self, data):
# parse and check validation # parse and check validation
domain, ip, pubkey, nodetype = self.parse_data(data) domain, ip = self.parse_data(data)
if not self.check_data(domain,ip,nodetype): if not self.check_data(domain,ip):
return 400 return 400
# connect db # connect db
@ -206,10 +210,10 @@ class DNSAPI:
# Check if the data already exists # Check if the data already exists
c.execute( c.execute(
"SELECT * FROM xiaomiandns WHERE domain = ? OR ip = ? OR pubkey = ? OR nodetype = ?", (domain, ip, pubkey, nodetype)) "SELECT * FROM xiaomiandns WHERE domain = ? OR ip = ?", (domain, ip))
existing_data = c.fetchall() existing_data = c.fetchall()
cursor.close() c.close()
conn.close() conn.close()
if existing_data: if existing_data:
@ -217,102 +221,70 @@ class DNSAPI:
else: else:
# Insert the new data # Insert the new data
c.execute( c.execute(
"INSERT INTO xiaomiandns (domain,ip,pubkey,nodetype,timestamp) VALUES (?,?,?,?,DATETIME('now'))", (domain, ip, pubkey, nodetype)) "INSERT INTO xiaomiandns (domain,ip,timestamp) VALUES (?,?,DATETIME('now'))", (domain, ip))
return 200 return 200
def delete_data(self, data): def delete_data(self, data:str) -> int:
# parse and check validation # parse and check validation
domain, ip, private_key_base64, nodetype = self.parse_data(data) domain, ip = self.parse_data(data)
if not self.check_data(domain, ip ,nodetype): if not self.check_data(domain, ip):
return 400 return 400
# connect db # connect db
conn = sqlite3.connect(self.db_file) conn = sqlite3.connect(self.db_file)
c = conn.cursor() c = conn.cursor()
c.execute( c.execute(
"SELECT pubkey FROM xiaomiandns WHERE domain = ? AND ip = ? AND nodetype = ?", (domain, ip, nodetype)) "DELETE FROM xiaomiandns WHERE domain = ? AND ip = ?", (domain, ip))
public_key_base64 = c.fetchone() c.close()
cursor.close()
conn.close()
if public_key_base64 != None:
public_key_base64 = public_key_base64[0]
else:
return 400
private_key_bytes = base64.b64decode(
private_key_base64).decode("utf-8")
private_key = serialization.load_pem_private_key(
private_key_bytes,
password=None
)
gen_public_key = private_key.public_key()
gen_public_key_bytes = gen_public_key.public_bytes(
encoding=serialization.Encoding.PEM,
format=serialization.PublicFormat.SubjectPublicKeyInfo
)
gen_public_key_base64 = base64.b64encode(gen_public_key_bytes).decode('utf-8')
if gen_public_key_base64 == public_key_base64:
conn = sqlite3.connect(self.db_file)
c = conn.cursor()
c.execute(
"DELETE FROM xiaomiandns WHERE domain = ? AND ip = ? AND nodetype = ?", (domain, ip, nodetype))
cursor.close()
conn.close() conn.close()
return 200 return 200
else:
return 400
def parse_data(self, data): def parse_data(self, data:str) -> str :
"""parse data form post data
Args:
data (str): post data
Returns:
domain: domain name
ip: ip
"""
domain = re.search(r'domain=([^&]+)', data) domain = re.search(r'domain=([^&]+)', data)
ip = re.search(r'ip=([^&]+)', data) ip = re.search(r'ip=([^&]+)', data)
pubkey = re.search(r'pubkey=([^&]+)', data)
privkey = re.search(r'privkey=([^&]+)', data)
nodetype = re.search(r'nodetype=([^]+)', data)
if domain and ip and nodetype: if domain and ip:
domain = domain.group(1) domain = domain.group(1)
ip = ip.group(1) ip = ip.group(1)
nodetype = nodetype.group(1)
if bool(pubkey) != bool(privkey):
if pubkey:
key = pubkey.group(1)
else:
key = privkey.group(1)
return domain, ip, key, nodetype
def check_data(self, domain, ip, nodetype): return domain, ip
def check_data(self, domain, ip):
"""_summary_
Args:
domain (_type_): _description_
ip (_type_): _description_
Returns:
_type_: _description_
"""
# check domain # check domain
pattern = r'^[a-z0-9]{16}\.xiaomian$' domain_pattern = r'^[a-z0-9]+\.xiaomian$'
if re.match(pattern, domain):
return True
else:
return False
# check ip # check ip
pattern = r'^(\d{1,3}\.){3}\d{1,3}$' ip_pattern = r'^(\d{1,3}\.){3}\d{1,3}$'
if re.match(pattern, ip): if re.match(domain_pattern, domain) and re.match(ip_pattern, ip) :
octets = ip.split('.') octets = ip.split('.')
if all(int(octet) < 256 for octet in octets): if all(int(octet) < 256 for octet in octets):
return True return True
return False
# check nodetype
if nodetype in {"server", "client", "node"}:
return True
else: else:
return False return False
if __name__ == '__main__': if __name__ == '__main__':
with open('serverconf.yaml', 'r') as f: with open('serverconf.yaml', 'r') as f:
config = yaml.safe_load(f) config = yaml.safe_load(f)
db_file = config['database']['db_file'] db_file = config['database']['db_file']
@ -321,16 +293,6 @@ if __name__ == '__main__':
API_port = config['API']['port'] API_port = config['API']['port']
API_listen_host = config['API']['listen_host'] API_listen_host = config['API']['listen_host']
# start dns server # start dns server
server = DNSServer(API_listen_host, DNS_port, db_file) server = DNSServer(API_listen_host, DNS_port, db_file)
server.run() server.run()