lofyerandfactory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
b683fad5d8
Co-authored-by: factory-droid[bot] <138933559+factory-droid[bot]@users.noreply.github.com>
27 lines
1.2 KiB
Bash
27 lines
1.2 KiB
Bash
#!/bin/sh
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set -e
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# Host network mode shares the host network namespace, so forwarding is
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# enabled here instead of via per-container sysctls.
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sysctl -w net.ipv4.ip_forward=1 >/dev/null 2>&1 || \
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echo "WARN: could not enable net.ipv4.ip_forward, set it on the host"
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sysctl -w net.ipv4.conf.all.src_valid_mark=1 >/dev/null 2>&1 || true
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# NAT and peer isolation rules are managed per interface by the app
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# (app/wireguard/sync.py) when configs are applied.
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# Relay wg clients into extra networks (e.g. another wg tunnel on the host).
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WG_SUBNET="${WG_SUBNET:-10.8.0.0/24}"
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OLD_IFS="$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 "${WEB_PORT:-8000}"
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