Files
DECNET/decnet/cli.py

479 lines
19 KiB
Python

"""
DECNET CLI — entry point for all commands.
Usage:
decnet deploy --mode unihost --deckies 5 --randomize-services
decnet status
decnet teardown [--all | --id decky-01]
decnet services
"""
import signal
from typing import Optional
import typer
from rich.console import Console
from rich.table import Table
from decnet.env import (
DECNET_API_HOST,
DECNET_API_PORT,
DECNET_INGEST_LOG_FILE,
DECNET_WEB_HOST,
DECNET_WEB_PORT,
)
from decnet.archetypes import Archetype, all_archetypes, get_archetype
from decnet.config import (
DecnetConfig,
)
from decnet.distros import all_distros, get_distro
from decnet.fleet import all_service_names, build_deckies, build_deckies_from_ini
from decnet.ini_loader import load_ini
from decnet.network import detect_interface, detect_subnet, allocate_ips, get_host_ip
from decnet.services.registry import all_services
app = typer.Typer(
name="decnet",
help="Deploy a deception network of honeypot deckies on your LAN.",
no_args_is_help=True,
)
console = Console()
def _kill_api() -> None:
"""Find and kill any running DECNET API (uvicorn) or mutator processes."""
import psutil
import os
_killed: bool = False
for _proc in psutil.process_iter(['pid', 'name', 'cmdline']):
try:
_cmd = _proc.info['cmdline']
if not _cmd:
continue
if "uvicorn" in _cmd and "decnet.web.api:app" in _cmd:
console.print(f"[yellow]Stopping DECNET API (PID {_proc.info['pid']})...[/]")
os.kill(_proc.info['pid'], signal.SIGTERM)
_killed = True
elif "decnet.cli" in _cmd and "mutate" in _cmd and "--watch" in _cmd:
console.print(f"[yellow]Stopping DECNET Mutator Watcher (PID {_proc.info['pid']})...[/]")
os.kill(_proc.info['pid'], signal.SIGTERM)
_killed = True
except (psutil.NoSuchProcess, psutil.AccessDenied):
continue
if _killed:
console.print("[green]Background processes stopped.[/]")
@app.command()
def api(
port: int = typer.Option(DECNET_API_PORT, "--port", help="Port for the backend API"),
host: str = typer.Option(DECNET_API_HOST, "--host", help="Host IP for the backend API"),
log_file: str = typer.Option(DECNET_INGEST_LOG_FILE, "--log-file", help="Path to the DECNET log file to monitor"),
) -> None:
"""Run the DECNET API and Web Dashboard in standalone mode."""
import subprocess # nosec B404
import sys
import os
console.print(f"[green]Starting DECNET API on {host}:{port}...[/]")
_env: dict[str, str] = os.environ.copy()
_env["DECNET_INGEST_LOG_FILE"] = str(log_file)
try:
subprocess.run( # nosec B603 B404
[sys.executable, "-m", "uvicorn", "decnet.web.api:app", "--host", host, "--port", str(port)],
env=_env
)
except KeyboardInterrupt:
pass
except (FileNotFoundError, subprocess.SubprocessError):
console.print("[red]Failed to start API. Ensure 'uvicorn' is installed in the current environment.[/]")
@app.command()
def deploy(
mode: str = typer.Option("unihost", "--mode", "-m", help="Deployment mode: unihost | swarm"),
deckies: Optional[int] = typer.Option(None, "--deckies", "-n", help="Number of deckies to deploy (required without --config)", min=1),
interface: Optional[str] = typer.Option(None, "--interface", "-i", help="Host NIC (auto-detected if omitted)"),
subnet: Optional[str] = typer.Option(None, "--subnet", help="LAN subnet CIDR (auto-detected if omitted)"),
ip_start: Optional[str] = typer.Option(None, "--ip-start", help="First decky IP (auto if omitted)"),
services: Optional[str] = typer.Option(None, "--services", help="Comma-separated services, e.g. ssh,smb,rdp"),
randomize_services: bool = typer.Option(False, "--randomize-services", help="Assign random services to each decky"),
distro: Optional[str] = typer.Option(None, "--distro", help="Comma-separated distro slugs, e.g. debian,ubuntu22,rocky9"),
randomize_distros: bool = typer.Option(False, "--randomize-distros", help="Assign a random distro to each decky"),
log_file: Optional[str] = typer.Option(DECNET_INGEST_LOG_FILE, "--log-file", help="Host path for the collector to write RFC 5424 logs (e.g. /var/log/decnet/decnet.log)"),
archetype_name: Optional[str] = typer.Option(None, "--archetype", "-a", help="Machine archetype slug (e.g. linux-server, windows-workstation)"),
mutate_interval: Optional[int] = typer.Option(30, "--mutate-interval", help="Automatically rotate services every N minutes"),
dry_run: bool = typer.Option(False, "--dry-run", help="Generate compose file without starting containers"),
no_cache: bool = typer.Option(False, "--no-cache", help="Force rebuild all images, ignoring Docker layer cache"),
parallel: bool = typer.Option(False, "--parallel", help="Build all images concurrently (enables BuildKit, separates build from up)"),
ipvlan: bool = typer.Option(False, "--ipvlan", help="Use IPvlan L2 instead of MACVLAN (required on WiFi interfaces)"),
config_file: Optional[str] = typer.Option(None, "--config", "-c", help="Path to INI config file"),
api: bool = typer.Option(False, "--api", help="Start the FastAPI backend to ingest and serve logs"),
api_port: int = typer.Option(8000, "--api-port", help="Port for the backend API"),
) -> None:
"""Deploy deckies to the LAN."""
import os
if mode not in ("unihost", "swarm"):
console.print("[red]--mode must be 'unihost' or 'swarm'[/]")
raise typer.Exit(1)
# ------------------------------------------------------------------ #
# Config-file path #
# ------------------------------------------------------------------ #
if config_file:
try:
ini = load_ini(config_file)
except FileNotFoundError as e:
console.print(f"[red]{e}[/]")
raise typer.Exit(1)
iface = interface or ini.interface or detect_interface()
subnet_cidr = subnet or ini.subnet
effective_gateway = ini.gateway
if subnet_cidr is None:
subnet_cidr, effective_gateway = detect_subnet(iface)
elif effective_gateway is None:
_, effective_gateway = detect_subnet(iface)
host_ip = get_host_ip(iface)
console.print(f"[dim]Config:[/] {config_file} [dim]Interface:[/] {iface} "
f"[dim]Subnet:[/] {subnet_cidr} [dim]Gateway:[/] {effective_gateway} "
f"[dim]Host IP:[/] {host_ip}")
if ini.custom_services:
from decnet.custom_service import CustomService
from decnet.services.registry import register_custom_service
for cs in ini.custom_services:
register_custom_service(
CustomService(
name=cs.name,
image=cs.image,
exec_cmd=cs.exec_cmd,
ports=cs.ports,
)
)
effective_log_file = log_file
try:
decky_configs = build_deckies_from_ini(
ini, subnet_cidr, effective_gateway, host_ip, randomize_services, cli_mutate_interval=mutate_interval
)
except ValueError as e:
console.print(f"[red]{e}[/]")
raise typer.Exit(1)
# ------------------------------------------------------------------ #
# Classic CLI path #
# ------------------------------------------------------------------ #
else:
if deckies is None:
console.print("[red]--deckies is required when --config is not used.[/]")
raise typer.Exit(1)
services_list = [s.strip() for s in services.split(",")] if services else None
if services_list:
known = set(all_service_names())
unknown = [s for s in services_list if s not in known]
if unknown:
console.print(f"[red]Unknown service(s): {unknown}. Available: {all_service_names()}[/]")
raise typer.Exit(1)
arch: Archetype | None = None
if archetype_name:
try:
arch = get_archetype(archetype_name)
except ValueError as e:
console.print(f"[red]{e}[/]")
raise typer.Exit(1)
if not services_list and not randomize_services and not arch:
console.print("[red]Specify --services, --archetype, or --randomize-services.[/]")
raise typer.Exit(1)
iface = interface or detect_interface()
if subnet is None:
subnet_cidr, effective_gateway = detect_subnet(iface)
else:
subnet_cidr = subnet
_, effective_gateway = detect_subnet(iface)
host_ip = get_host_ip(iface)
console.print(f"[dim]Interface:[/] {iface} [dim]Subnet:[/] {subnet_cidr} "
f"[dim]Gateway:[/] {effective_gateway} [dim]Host IP:[/] {host_ip}")
distros_list = [d.strip() for d in distro.split(",")] if distro else None
if distros_list:
try:
for slug in distros_list:
get_distro(slug)
except ValueError as e:
console.print(f"[red]{e}[/]")
raise typer.Exit(1)
ips = allocate_ips(subnet_cidr, effective_gateway, host_ip, deckies, ip_start)
decky_configs = build_deckies(
deckies, ips, services_list, randomize_services,
distros_explicit=distros_list, randomize_distros=randomize_distros,
archetype=arch, mutate_interval=mutate_interval,
)
effective_log_file = log_file
if api and not effective_log_file:
effective_log_file = os.path.join(os.getcwd(), "decnet.log")
console.print(f"[cyan]API mode enabled: defaulting log-file to {effective_log_file}[/]")
config = DecnetConfig(
mode=mode,
interface=iface,
subnet=subnet_cidr,
gateway=effective_gateway,
deckies=decky_configs,
log_file=effective_log_file,
ipvlan=ipvlan,
mutate_interval=mutate_interval,
)
from decnet.engine import deploy as _deploy
_deploy(config, dry_run=dry_run, no_cache=no_cache, parallel=parallel)
if mutate_interval is not None and not dry_run:
import subprocess # nosec B404
import sys
console.print(f"[green]Starting DECNET Mutator watcher in the background (interval: {mutate_interval}m)...[/]")
try:
subprocess.Popen( # nosec B603
[sys.executable, "-m", "decnet.cli", "mutate", "--watch"],
stdout=subprocess.DEVNULL,
stderr=subprocess.STDOUT,
start_new_session=True,
)
except (FileNotFoundError, subprocess.SubprocessError):
console.print("[red]Failed to start mutator watcher.[/]")
if effective_log_file and not dry_run and not api:
import subprocess # nosec B404
import sys
from pathlib import Path as _Path
_collector_err = _Path(effective_log_file).with_suffix(".collector.log")
console.print(f"[bold cyan]Starting log collector[/] → {effective_log_file}")
subprocess.Popen( # nosec B603
[sys.executable, "-m", "decnet.cli", "collect", "--log-file", str(effective_log_file)],
stdin=subprocess.DEVNULL,
stdout=open(_collector_err, "a"), # nosec B603
stderr=subprocess.STDOUT,
start_new_session=True,
)
if api and not dry_run:
import subprocess # nosec B404
import sys
console.print(f"[green]Starting DECNET API on port {api_port}...[/]")
_env: dict[str, str] = os.environ.copy()
_env["DECNET_INGEST_LOG_FILE"] = str(effective_log_file or "")
try:
subprocess.Popen( # nosec B603
[sys.executable, "-m", "uvicorn", "decnet.web.api:app", "--host", DECNET_API_HOST, "--port", str(api_port)],
env=_env,
stdout=subprocess.DEVNULL,
stderr=subprocess.STDOUT
)
console.print(f"[dim]API running at http://{DECNET_API_HOST}:{api_port}[/]")
except (FileNotFoundError, subprocess.SubprocessError):
console.print("[red]Failed to start API. Ensure 'uvicorn' is installed in the current environment.[/]")
@app.command()
def collect(
log_file: str = typer.Option(DECNET_INGEST_LOG_FILE, "--log-file", "-f", help="Path to write RFC 5424 syslog lines and .json records"),
) -> None:
"""Stream Docker logs from all running decky service containers to a log file."""
import asyncio
from decnet.collector import log_collector_worker
console.print(f"[bold cyan]Collector starting[/] → {log_file}")
asyncio.run(log_collector_worker(log_file))
@app.command()
def mutate(
watch: bool = typer.Option(False, "--watch", "-w", help="Run continuously and mutate deckies according to their interval"),
decky_name: Optional[str] = typer.Option(None, "--decky", "-d", help="Force mutate a specific decky immediately"),
force_all: bool = typer.Option(False, "--all", help="Force mutate all deckies immediately"),
) -> None:
"""Manually trigger or continuously watch for decky mutation."""
import asyncio
from decnet.mutator import mutate_decky, mutate_all, run_watch_loop
from decnet.web.dependencies import repo
async def _run() -> None:
await repo.initialize()
if watch:
await run_watch_loop(repo)
elif decky_name:
await mutate_decky(decky_name, repo)
elif force_all:
await mutate_all(force=True, repo=repo)
else:
await mutate_all(force=False, repo=repo)
asyncio.run(_run())
@app.command()
def status() -> None:
"""Show running deckies and their status."""
from decnet.engine import status as _status
_status()
@app.command()
def teardown(
all_: bool = typer.Option(False, "--all", help="Tear down all deckies and remove network"),
id_: Optional[str] = typer.Option(None, "--id", help="Tear down a specific decky by name"),
) -> None:
"""Stop and remove deckies."""
if not all_ and not id_:
console.print("[red]Specify --all or --id <name>.[/]")
raise typer.Exit(1)
from decnet.engine import teardown as _teardown
_teardown(decky_id=id_)
if all_:
_kill_api()
@app.command(name="services")
def list_services() -> None:
"""List all registered honeypot service plugins."""
svcs = all_services()
table = Table(title="Available Services", show_lines=True)
table.add_column("Name", style="bold cyan")
table.add_column("Ports")
table.add_column("Image")
for name, svc in sorted(svcs.items()):
table.add_row(name, ", ".join(str(p) for p in svc.ports), svc.default_image)
console.print(table)
@app.command(name="distros")
def list_distros() -> None:
"""List all available OS distro profiles for deckies."""
table = Table(title="Available Distro Profiles", show_lines=True)
table.add_column("Slug", style="bold cyan")
table.add_column("Display Name")
table.add_column("Docker Image", style="dim")
for slug, profile in sorted(all_distros().items()):
table.add_row(slug, profile.display_name, profile.image)
console.print(table)
@app.command(name="correlate")
def correlate(
log_file: Optional[str] = typer.Option(None, "--log-file", "-f", help="Path to DECNET syslog file to analyse"),
min_deckies: int = typer.Option(2, "--min-deckies", "-m", help="Minimum number of distinct deckies an IP must touch to be reported"),
output: str = typer.Option("table", "--output", "-o", help="Output format: table | json | syslog"),
emit_syslog: bool = typer.Option(False, "--emit-syslog", help="Also print traversal events as RFC 5424 lines (for SIEM piping)"),
) -> None:
"""Analyse logs for cross-decky traversals and print the attacker movement graph."""
import sys
import json as _json
from pathlib import Path
from decnet.correlation.engine import CorrelationEngine
engine = CorrelationEngine()
if log_file:
path = Path(log_file)
if not path.exists():
console.print(f"[red]Log file not found: {log_file}[/]")
raise typer.Exit(1)
engine.ingest_file(path)
elif not sys.stdin.isatty():
for line in sys.stdin:
engine.ingest(line)
else:
console.print("[red]Provide --log-file or pipe log data via stdin.[/]")
raise typer.Exit(1)
traversals = engine.traversals(min_deckies)
if output == "json":
console.print_json(_json.dumps(engine.report_json(min_deckies), indent=2))
elif output == "syslog":
for line in engine.traversal_syslog_lines(min_deckies):
typer.echo(line)
else:
if not traversals:
console.print(
f"[yellow]No traversals detected "
f"(min_deckies={min_deckies}, events_indexed={engine.events_indexed}).[/]"
)
else:
console.print(engine.report_table(min_deckies))
console.print(
f"[dim]Parsed {engine.lines_parsed} lines · "
f"indexed {engine.events_indexed} events · "
f"{len(engine.all_attackers())} unique IPs · "
f"[bold]{len(traversals)}[/] traversal(s)[/]"
)
if emit_syslog:
for line in engine.traversal_syslog_lines(min_deckies):
typer.echo(line)
@app.command(name="archetypes")
def list_archetypes() -> None:
"""List all machine archetype profiles."""
table = Table(title="Machine Archetypes", show_lines=True)
table.add_column("Slug", style="bold cyan")
table.add_column("Display Name")
table.add_column("Default Services", style="green")
table.add_column("Description", style="dim")
for slug, arch in sorted(all_archetypes().items()):
table.add_row(
slug,
arch.display_name,
", ".join(arch.services),
arch.description,
)
console.print(table)
@app.command(name="web")
def serve_web(
web_port: int = typer.Option(DECNET_WEB_PORT, "--web-port", help="Port to serve the DECNET Web Dashboard"),
host: str = typer.Option(DECNET_WEB_HOST, "--host", help="Host IP to serve the Web Dashboard"),
) -> None:
"""Serve the DECNET Web Dashboard frontend."""
import http.server
import socketserver
from pathlib import Path
dist_dir = Path(__file__).parent.parent / "decnet_web" / "dist"
if not dist_dir.exists():
console.print(f"[red]Frontend build not found at {dist_dir}. Make sure you run 'npm run build' inside 'decnet_web'.[/]")
raise typer.Exit(1)
class SPAHTTPRequestHandler(http.server.SimpleHTTPRequestHandler):
def do_GET(self):
path = self.translate_path(self.path)
if not Path(path).exists() or Path(path).is_dir():
self.path = "/index.html"
return super().do_GET()
import os
os.chdir(dist_dir)
with socketserver.TCPServer((host, web_port), SPAHTTPRequestHandler) as httpd:
console.print(f"[green]Serving DECNET Web Dashboard on http://{host}:{web_port}[/]")
try:
httpd.serve_forever()
except KeyboardInterrupt:
console.print("\n[dim]Shutting down dashboard server.[/]")
if __name__ == '__main__': # pragma: no cover
app()