Add per-service customization, stealth hardening, and BYOS support
- HTTP: configurable server_header, response_code, fake_app presets (apache/nginx/wordpress/phpmyadmin/iis), extra_headers, custom_body, static files directory mount - SSH/Cowrie: configurable kernel_version, hardware_platform, ssh_banner, and users/passwords via COWRIE_USERDB_ENTRIES; switched to build mode so cowrie.cfg.j2 persona fields and userdb.txt generation work - SMTP: configurable banner and MTA hostname - MySQL: configurable version string in protocol greeting - Redis: configurable redis_version and os string in INFO response - BYOS: [custom-*] INI sections define bring-your-own Docker services - Stealth: rename all *_honeypot.py → server.py; replace HONEYPOT_NAME env var with NODE_NAME across all 22+ service templates and plugins; strip "honeypot" from all in-container file content - Config: DeckyConfig.service_config dict; INI [decky-N.svc] subsections; composer passes service_cfg to compose_fragment - 350 tests passing (100%) Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>
This commit is contained in:
172
templates/redis/server.py
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172
templates/redis/server.py
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#!/usr/bin/env python3
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"""
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Redisserver.
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Implements enough of the RESP protocol to respond to AUTH, INFO, CONFIG GET,
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KEYS, and arbitrary commands. Logs every command and argument as JSON.
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"""
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import asyncio
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import json
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import os
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import socket
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from datetime import datetime, timezone
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NODE_NAME = os.environ.get("NODE_NAME", "cache-server")
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LOG_TARGET = os.environ.get("LOG_TARGET", "")
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_REDIS_VER = os.environ.get("REDIS_VERSION", "7.0.12")
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_REDIS_OS = os.environ.get("REDIS_OS", "Linux 5.15.0")
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_INFO = (
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f"# Server\n"
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f"redis_version:{_REDIS_VER}\n"
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f"redis_mode:standalone\n"
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f"os:{_REDIS_OS}\n"
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f"arch_bits:64\n"
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f"tcp_port:6379\n"
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f"uptime_in_seconds:864000\n"
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f"connected_clients:1\n"
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f"# Keyspace\n"
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).encode()
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def _forward(event: dict) -> None:
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if not LOG_TARGET:
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return
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try:
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host, port = LOG_TARGET.rsplit(":", 1)
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with socket.create_connection((host, int(port)), timeout=3) as s:
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s.sendall((json.dumps(event) + "\n").encode())
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except Exception:
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pass
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def _log(event_type: str, **kwargs) -> None:
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event = {
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"ts": datetime.now(timezone.utc).isoformat(),
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"service": "redis",
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"host": NODE_NAME,
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"event": event_type,
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**kwargs,
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}
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print(json.dumps(event), flush=True)
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_forward(event)
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def _bulk(s: str) -> bytes:
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enc = s.encode()
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return f"${len(enc)}\r\n".encode() + enc + b"\r\n"
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def _err(msg: str) -> bytes:
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return f"-ERR {msg}\r\n".encode()
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class RESPParser:
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"""Incremental RESP array parser — returns list of str tokens or None if incomplete."""
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def __init__(self):
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self._buf = b""
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def feed(self, data: bytes):
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self._buf += data
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return self._try_parse()
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def _try_parse(self):
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commands = []
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while self._buf:
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cmd, consumed = self._parse_one(self._buf)
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if cmd is None:
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break
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commands.append(cmd)
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self._buf = self._buf[consumed:]
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return commands
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def _parse_one(self, buf: bytes):
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if not buf:
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return None, 0
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if buf[0:1] == b"*":
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end = buf.find(b"\r\n")
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if end == -1:
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return None, 0
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count = int(buf[1:end])
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pos = end + 2
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parts = []
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for _ in range(count):
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if pos >= len(buf):
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return None, 0
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if buf[pos:pos + 1] != b"$":
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return None, 0
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end2 = buf.find(b"\r\n", pos)
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if end2 == -1:
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return None, 0
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length = int(buf[pos + 1:end2])
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start = end2 + 2
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if start + length + 2 > len(buf):
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return None, 0
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parts.append(buf[start:start + length].decode(errors="replace"))
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pos = start + length + 2
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return parts, pos
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# Inline command
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end = buf.find(b"\r\n")
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if end == -1:
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end = buf.find(b"\n")
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if end == -1:
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return None, 0
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line = buf[:end].decode(errors="replace").strip()
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return line.split(), end + (2 if buf[end:end + 2] == b"\r\n" else 1)
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class RedisProtocol(asyncio.Protocol):
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def __init__(self):
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self._transport = None
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self._peer = None
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self._parser = RESPParser()
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def connection_made(self, transport):
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self._transport = transport
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self._peer = transport.get_extra_info("peername", ("?", 0))
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_log("connect", src=self._peer[0], src_port=self._peer[1])
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def data_received(self, data):
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for cmd in self._parser.feed(data):
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self._handle_command(cmd)
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def _handle_command(self, parts):
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if not parts:
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return
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verb = parts[0].upper()
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args = parts[1:]
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_log("command", src=self._peer[0], cmd=verb, args=args[:8])
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if verb == "AUTH":
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password = args[0] if args else ""
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_log("auth", src=self._peer[0], password=password)
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self._transport.write(b"+OK\r\n")
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elif verb == "INFO":
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self._transport.write(f"${len(_INFO)}\r\n".encode() + _INFO + b"\r\n")
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elif verb == "PING":
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self._transport.write(b"+PONG\r\n")
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elif verb == "CONFIG":
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self._transport.write(b"*0\r\n")
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elif verb == "KEYS":
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self._transport.write(b"*0\r\n")
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elif verb == "QUIT":
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self._transport.write(b"+OK\r\n")
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self._transport.close()
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else:
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self._transport.write(_err("unknown command"))
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def connection_lost(self, exc):
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_log("disconnect", src=self._peer[0] if self._peer else "?")
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async def main():
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_log("startup", msg=f"Redis server starting as {NODE_NAME}")
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loop = asyncio.get_running_loop()
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server = await loop.create_server(RedisProtocol, "0.0.0.0", 6379)
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async with server:
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await server.serve_forever()
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if __name__ == "__main__":
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asyncio.run(main())
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