diff --git a/backend/app.py b/backend/app.py index 242251c..58ec112 100644 --- a/backend/app.py +++ b/backend/app.py @@ -1,6 +1,6 @@ from base64 import b64decode -import sqlite3, uvicorn, sys, secrets, re, os, asyncio -import httpx, urllib, websockets +import sqlite3, uvicorn, sys, secrets, re +import httpx, websockets, os, asyncio from typing import List, Union from fastapi import FastAPI, HTTPException, WebSocket, Depends from pydantic import BaseModel, BaseSettings @@ -333,6 +333,8 @@ class ServiceAddForm(BaseModel): name: str port: int ipv6: bool + proto: str + ip_int: str class ServiceAddResponse(BaseModel): status:str @@ -341,22 +343,28 @@ class ServiceAddResponse(BaseModel): @app.post('/api/services/add', response_model=ServiceAddResponse) async def add_new_service(form: ServiceAddForm, auth: bool = Depends(is_loggined)): """Add a new service""" - import time + if form.ipv6: + if not checkIpv6(form.ip_int): + return {"status":"Invalid IPv6 address"} + else: + if not checkIpv4(form.ip_int): + return {"status":"Invalid IPv4 address"} + if form.proto not in ["tcp", "udp"]: + return {"status":"Invalid protocol"} srv_id = None try: - srv_id = str(form.port)+"::"+("ipv6" if form.ipv6 else "ipv4") + srv_id = gen_service_id(db) db.query("INSERT INTO services (service_id ,name, port, ipv6, status) VALUES (?, ?, ?, ?, ?)", srv_id, refactor_name(form.name), form.port, form.ipv6, STATUS.STOP) except sqlite3.IntegrityError: return {'status': 'Name or/and ports of the service has been already assigned'} await firewall.reload() - init_t = time.time() await refresh_frontend() return {'status': 'ok', 'service_id': srv_id} async def frontend_debug_proxy(path): httpc = httpx.AsyncClient() - req = httpc.build_request("GET",urllib.parse.urljoin(f"http://127.0.0.1:{os.getenv('F_PORT','3000')}", path)) + req = httpc.build_request("GET",f"http://127.0.0.1:{os.getenv('F_PORT','3000')}/"+path) resp = await httpc.send(req, stream=True) return StreamingResponse(resp.aiter_bytes(),status_code=resp.status_code) diff --git a/backend/proxy.py b/backend/proxy.py index 13ede59..a6d1484 100755 --- a/backend/proxy.py +++ b/backend/proxy.py @@ -114,13 +114,14 @@ class Interceptor: def _start_queue(self,func,n_threads): def func_wrap(ll_data, ll_proto_id, data, ctx, *args): pkt_parsed = ip6.IP6(data) if self.ipv6 else ip.IP(data) + try: level4 = None if self.proto == ProtoTypes.TCP: level4 = pkt_parsed[tcp.TCP].body_bytes elif self.proto == ProtoTypes.UDP: level4 = pkt_parsed[udp.UDP].body_bytes if level4: if func(level4): - return pkt_parsed.bin(), interceptor.NF_ACCEPT + return data, interceptor.NF_ACCEPT elif self.proto == ProtoTypes.TCP: pkt_parsed[tcp.TCP].flags &= 0x00 pkt_parsed[tcp.TCP].flags |= tcp.TH_FIN | tcp.TH_ACK diff --git a/backend/utils.py b/backend/utils.py index 9ad2075..acc52e3 100755 --- a/backend/utils.py +++ b/backend/utils.py @@ -1,11 +1,21 @@ import traceback from typing import Dict from proxy import Filter, Proxy -import os, sqlite3, socket, asyncio +import os, sqlite3, socket, asyncio, re +import secrets from base64 import b64decode LOCALHOST_IP = socket.gethostbyname(os.getenv("LOCALHOST_IP","127.0.0.1")) +regex_ipv6 = r"^s*((([0-9A-Fa-f]{1,4}:){7}([0-9A-Fa-f]{1,4}|:))|(([0-9A-Fa-f]{1,4}:){6}(:[0-9A-Fa-f]{1,4}|((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3})|:))|(([0-9A-Fa-f]{1,4}:){5}(((:[0-9A-Fa-f]{1,4}){1,2})|:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3})|:))|(([0-9A-Fa-f]{1,4}:){4}(((:[0-9A-Fa-f]{1,4}){1,3})|((:[0-9A-Fa-f]{1,4})?:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){3}(((:[0-9A-Fa-f]{1,4}){1,4})|((:[0-9A-Fa-f]{1,4}){0,2}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){2}(((:[0-9A-Fa-f]{1,4}){1,5})|((:[0-9A-Fa-f]{1,4}){0,3}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(([0-9A-Fa-f]{1,4}:){1}(((:[0-9A-Fa-f]{1,4}){1,6})|((:[0-9A-Fa-f]{1,4}){0,4}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:))|(:(((:[0-9A-Fa-f]{1,4}){1,7})|((:[0-9A-Fa-f]{1,4}){0,5}:((25[0-5]|2[0-4]d|1dd|[1-9]?d)(.(25[0-5]|2[0-4]d|1dd|[1-9]?d)){3}))|:)))(%.+)?s*(\\/([0-9]|[1-9][0-9]|1[0-1][0-9]|12[0-8]))?$"; +regex_ipv4 = r"^([0-9]{1,3}\\.){3}[0-9]{1,3}(\\/([0-9]|[1-2][0-9]|3[0-2]))?$" + +def checkIpv6(ip:str): + return bool(re.match(regex_ipv6, ip)) + +def checkIpv4(ip:str): + return bool(re.match(regex_ipv4, ip)) + class SQLite(): def __init__(self, db_name) -> None: self.conn = None @@ -239,4 +249,11 @@ class ProxyManager: def refactor_name(name:str): name = name.strip() while " " in name: name = name.replace(" "," ") - return name \ No newline at end of file + return name + +def gen_service_id(db): + while True: + res = secrets.token_hex(8) + if len(db.query('SELECT 1 FROM services WHERE service_id = ?;', res)) == 0: + break + return res \ No newline at end of file diff --git a/frontend/build/asset-manifest.json b/frontend/build/asset-manifest.json index 98e2fc2..f98b7b4 100644 --- a/frontend/build/asset-manifest.json +++ b/frontend/build/asset-manifest.json @@ -1,13 +1,13 @@ { "files": { "main.css": "/static/css/main.08225a85.css", - "main.js": "/static/js/main.852729b0.js", + "main.js": "/static/js/main.3f472f16.js", "index.html": "/index.html", "main.08225a85.css.map": "/static/css/main.08225a85.css.map", - "main.852729b0.js.map": "/static/js/main.852729b0.js.map" + "main.3f472f16.js.map": "/static/js/main.3f472f16.js.map" }, "entrypoints": [ "static/css/main.08225a85.css", - "static/js/main.852729b0.js" + "static/js/main.3f472f16.js" ] } \ No newline at end of file diff --git a/frontend/build/index.html b/frontend/build/index.html index 7db1da2..5d679c6 100644 --- a/frontend/build/index.html +++ b/frontend/build/index.html @@ -1 +1 @@ -Firegex
\ No newline at end of file +Firegex
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