lofyerandfactory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
c4dc22074e
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
28 lines
1.3 KiB
Bash
28 lines
1.3 KiB
Bash
#!/bin/sh
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set -e
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WG_INTERFACE="${WG_INTERFACE:-wg0}"
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WG_SUBNET="${WG_SUBNET:-10.8.0.0/24}"
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OUT_IFACE="$(ip route show default | awk '/default/ {print $5; exit}')"
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iptables -t nat -C POSTROUTING -s "$WG_SUBNET" -o "$OUT_IFACE" -j MASQUERADE 2>/dev/null \
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|| iptables -t nat -A POSTROUTING -s "$WG_SUBNET" -o "$OUT_IFACE" -j MASQUERADE
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iptables -C FORWARD -i "$WG_INTERFACE" -j ACCEPT 2>/dev/null \
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|| iptables -A FORWARD -i "$WG_INTERFACE" -j ACCEPT
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iptables -C FORWARD -o "$WG_INTERFACE" -j ACCEPT 2>/dev/null \
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|| iptables -A FORWARD -o "$WG_INTERFACE" -j ACCEPT
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# Relay wg clients into extra networks (e.g. another wg tunnel on the host).
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OLD_IFS="$IFS"; IFS=','
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for subnet in ${WG_RELAY_SUBNETS:-}; do
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subnet="$(echo "$subnet" | tr -d ' ')"
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[ -n "$subnet" ] || continue
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relay_iface="$(ip route get "${subnet%/*}" 2>/dev/null | awk '/dev/ {for (i=1;i<NF;i++) if ($i=="dev") print $(i+1); exit}')"
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[ -n "$relay_iface" ] || { echo "WARN: no route to relay subnet $subnet, skipping"; continue; }
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iptables -t nat -C POSTROUTING -s "$WG_SUBNET" -d "$subnet" -o "$relay_iface" -j MASQUERADE 2>/dev/null \
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|| iptables -t nat -A POSTROUTING -s "$WG_SUBNET" -d "$subnet" -o "$relay_iface" -j MASQUERADE
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done
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IFS="$OLD_IFS"
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exec uvicorn app.main:app --host 0.0.0.0 --port 8000
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