Initial commit: DECNET honeypot/deception network framework

Core CLI, service plugins (SSH/SMB/FTP/HTTP/RDP), Docker Compose
orchestration, MACVLAN networking, and Logstash log forwarding.

Co-Authored-By: Claude Sonnet 4.6 <noreply@anthropic.com>

decnet/ini_loader.py

@@ -0,0 +1,68 @@
+"""
+Parse DECNET INI deployment config files.
+
+Format:
+    [general]
+    net=192.168.1.0/24
+    gw=192.168.1.1
+    interface=wlp6s0
+    log_target=192.168.1.5:5140   # optional
+
+    [hostname-1]
+    ip=192.168.1.82               # optional
+    services=ssh,smb              # optional; falls back to --randomize-services
+
+    [hostname-2]
+    services=ssh
+
+    [hostname-3]
+    ip=192.168.1.32
+"""
+
+import configparser
+from dataclasses import dataclass, field
+from pathlib import Path
+
+
+@dataclass
+class DeckySpec:
+    name: str
+    ip: str | None = None
+    services: list[str] | None = None
+
+
+@dataclass
+class IniConfig:
+    subnet: str | None = None
+    gateway: str | None = None
+    interface: str | None = None
+    log_target: str | None = None
+    deckies: list[DeckySpec] = field(default_factory=list)
+
+
+def load_ini(path: str | Path) -> IniConfig:
+    """Parse a DECNET INI file and return an IniConfig."""
+    cp = configparser.ConfigParser()
+    read = cp.read(str(path))
+    if not read:
+        raise FileNotFoundError(f"Config file not found: {path}")
+
+    cfg = IniConfig()
+
+    if cp.has_section("general"):
+        g = cp["general"]
+        cfg.subnet = g.get("net")
+        cfg.gateway = g.get("gw")
+        cfg.interface = g.get("interface")
+        cfg.log_target = g.get("log_target") or g.get("log-target")
+
+    for section in cp.sections():
+        if section == "general":
+            continue
+        s = cp[section]
+        ip = s.get("ip")
+        svc_raw = s.get("services")
+        services = [sv.strip() for sv in svc_raw.split(",")] if svc_raw else None
+        cfg.deckies.append(DeckySpec(name=section, ip=ip, services=services))
+
+    return cfg