[Interface]
Address = 172.24.0.{SITE_ID}/32
PrivateKey = {LOCAL_PRIVATE_KEY}
ListenPort = 51820
Table = off

# --- 1. Global VPN Interface ---
PostUp = ip addr add 10.{SITE_ID}.0.1/16 dev %i

# --- 2. THE SHADOW MAP (10.x.168.x -> 192.168.1.x) ---
# Map INCOMING mesh traffic (10.x.168.x) to physical LAN (192.168.1.x)
PostUp = iptables -t nat -A PREROUTING -i %i -d 10.{SITE_ID}.168.0/24 -j NETMAP --to 192.168.1.0/24
# Map OUTGOING LAN traffic back to its "Shadow IP" so the return path works
PostUp = iptables -t nat -A POSTROUTING -o %i -s 192.168.1.0/24 -j NETMAP --to 10.{SITE_ID}.168.0/24
# Force the kernel to treat this shadow range as local
PostUp = ip route add local 10.{SITE_ID}.168.0/24 dev lo

# --- 3. LAN To Mesh Access ---
# Masquerade outbound LAN traffic headed to the 10.0.0.0/8 mesh
PostUp = iptables -t nat -A POSTROUTING -s 192.168.1.0/24 -o %i -j MASQUERADE

# --- 4. Policy Based Routing (Exits) ---
PostUp = ip route add default via 10.5.0.1 dev %i table offshore
PostUp = ip route add default via 172.24.0.1 dev %i table us_vps
# Safety: Don't route local LAN traffic through the offshore/US tunnels
PostUp = ip route add 192.168.1.0/24 dev eth0 table offshore
PostUp = ip route add 192.168.1.0/24 dev eth0 table us_vps

# --- 5. Mesh Routing ---
PostUp = ip route add 10.0.0.0/8 dev %i
PostUp = ip route add 172.24.0.0/13 dev %i

# --- 6. Kernel Hardening for Routing ---
PostUp = sysctl -w net.ipv4.ip_forward=1
PostUp = sysctl -w net.ipv4.conf.all.rp_filter=0
PostUp = sysctl -w net.ipv4.conf.eth0.rp_filter=0
PostUp = sysctl -w net.ipv4.conf.%i.rp_filter=0

# --- PEERS ---

# Site 10.1: The Hub / US Exit Node
[Peer]
PublicKey = QZCvR3N1CdUabC2xWfc1lmYKHfSiXYs1UoVINIMftws=
Endpoint = {HUB_PUBLIC_IP}:51820
# AllowedIPs covers the whole mesh + everything else for the exit tables
AllowedIPs = 172.24.0.0/16, 10.0.0.0/8, 0.0.0.0/0
PersistentKeepalive = 25

# Site 10.5: Netherlands (Offshore Exit)
[Peer]
PublicKey = UoKnYszqcFl9ByfKmCS+sOTnVGjQ3II9ApuG/F+LuAk=
Endpoint = nl.wgnode.com:51871
AllowedIPs = 172.24.0.5/32, 10.5.0.0/16, 0.0.0.0/0