Refine routing defaults for global and device fallbacks
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@@ -5,11 +5,18 @@ TPROXY_PORT="${TPROXY_PORT:-7895}"
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TPROXY_MARK="${TPROXY_MARK:-1}"
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TPROXY_TABLE="${TPROXY_TABLE:-100}"
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TPROXY_CHAIN="${TPROXY_CHAIN:-VPN_PROXY_TPROXY}"
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PROXY_PORT="${PROXY_PORT:-8080}"
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PROXY_BIND_IP="${PROXY_BIND_IP:-127.0.0.1}"
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PROXY_INPUT_CHAIN="${PROXY_INPUT_CHAIN:-VPN_PROXY_INPUT}"
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PROXY_FIREWALL="${PROXY_FIREWALL:-true}"
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PROXY_ALLOWED_CIDRS="${PROXY_ALLOWED_CIDRS:-10.0.0.0/8 172.16.0.0/12 192.168.0.0/16}"
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BYPASS_CIDRS="${BYPASS_CIDRS:-0.0.0.0/8 10.0.0.0/8 100.64.0.0/10 127.0.0.0/8 169.254.0.0/16 172.16.0.0/12 192.168.0.0/16 224.0.0.0/4 240.0.0.0/4}"
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# Имя ipset для IP-адресов, которые sing-box отправил напрямую (direct bypass cache)
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DIRECT_BYPASS_SET="${DIRECT_BYPASS_SET:-vpn_direct_bypass}"
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# TTL записи в ipset (секунды). По умолчанию 1 час.
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DIRECT_BYPASS_TTL="${DIRECT_BYPASS_TTL:-3600}"
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# Direct bypass cache выключен по умолчанию, потому что он обходит global rules.
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DIRECT_BYPASS_CACHE="${DIRECT_BYPASS_CACHE:-false}"
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log() {
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printf '[gateway-entrypoint] %s\n' "$*"
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@@ -19,6 +26,13 @@ ipt() {
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iptables -w "$@"
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}
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cleanup_proxy_firewall() {
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ipt -D INPUT -p tcp --dport "$PROXY_PORT" -j "$PROXY_INPUT_CHAIN" 2>/dev/null || true
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ipt -D INPUT -p udp --dport "$PROXY_PORT" -j "$PROXY_INPUT_CHAIN" 2>/dev/null || true
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ipt -F "$PROXY_INPUT_CHAIN" 2>/dev/null || true
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ipt -X "$PROXY_INPUT_CHAIN" 2>/dev/null || true
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}
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cleanup_tproxy() {
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log "cleanup tproxy rules"
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ipt -t mangle -D PREROUTING -j "$TPROXY_CHAIN" 2>/dev/null || true
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@@ -30,11 +44,33 @@ cleanup_tproxy() {
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}
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setup_direct_bypass_set() {
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if [[ "$DIRECT_BYPASS_CACHE" != "true" ]]; then
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export DIRECT_BYPASS_CACHE
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return
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fi
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log "setup ipset ${DIRECT_BYPASS_SET} (timeout=${DIRECT_BYPASS_TTL}s)"
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# Создаём с timeout; если уже существует — не трогаем (сохраняем накопленные записи)
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ipset create "$DIRECT_BYPASS_SET" hash:ip timeout "$DIRECT_BYPASS_TTL" 2>/dev/null || true
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# Экспортируем имя для использования в Node.js через env
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export DIRECT_BYPASS_SET DIRECT_BYPASS_TTL
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export DIRECT_BYPASS_SET DIRECT_BYPASS_TTL DIRECT_BYPASS_CACHE
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}
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setup_proxy_firewall() {
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if [[ "$PROXY_FIREWALL" != "true" || "$PROXY_BIND_IP" == "127.0.0.1" || "$PROXY_BIND_IP" == "::1" ]]; then
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return
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fi
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log "setup proxy firewall for :${PROXY_PORT} (${PROXY_ALLOWED_CIDRS})"
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cleanup_proxy_firewall
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ipt -N "$PROXY_INPUT_CHAIN"
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for cidr in $PROXY_ALLOWED_CIDRS; do
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ipt -A "$PROXY_INPUT_CHAIN" -s "$cidr" -j RETURN
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done
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ipt -A "$PROXY_INPUT_CHAIN" -j DROP
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ipt -I INPUT -p tcp --dport "$PROXY_PORT" -j "$PROXY_INPUT_CHAIN"
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ipt -I INPUT -p udp --dport "$PROXY_PORT" -j "$PROXY_INPUT_CHAIN"
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}
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setup_tproxy() {
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@@ -49,8 +85,11 @@ setup_tproxy() {
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ipt -t mangle -A "$TPROXY_CHAIN" -m addrtype --dst-type LOCAL -j RETURN
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ipt -t mangle -A "$TPROXY_CHAIN" -m mark --mark "$TPROXY_MARK" -j RETURN
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# Direct bypass cache: IP-адреса из ipset идут напрямую, минуя sing-box
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ipt -t mangle -A "$TPROXY_CHAIN" -m set --match-set "$DIRECT_BYPASS_SET" dst -j RETURN
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if [[ "$DIRECT_BYPASS_CACHE" == "true" ]]; then
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# Direct bypass cache: IP-адреса из ipset идут напрямую, минуя sing-box.
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# Включайте только если готовы к тому, что global rules для этих dst IP не будут проверяться.
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ipt -t mangle -A "$TPROXY_CHAIN" -m set --match-set "$DIRECT_BYPASS_SET" dst -j RETURN
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fi
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for cidr in $BYPASS_CIDRS; do
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ipt -t mangle -A "$TPROXY_CHAIN" -d "$cidr" -j RETURN
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@@ -63,6 +102,7 @@ setup_tproxy() {
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setup_direct_bypass_set
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setup_tproxy
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setup_proxy_firewall
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node /app/src/server/index.js &
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APP_PID=$!
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@@ -71,6 +111,7 @@ shutdown() {
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log "shutdown requested"
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kill "$APP_PID" 2>/dev/null || true
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wait "$APP_PID" 2>/dev/null || true
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cleanup_proxy_firewall
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cleanup_tproxy
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}
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@@ -78,5 +119,6 @@ trap 'shutdown; exit 0' SIGTERM SIGINT
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wait "$APP_PID"
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STATUS=$?
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cleanup_proxy_firewall
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cleanup_tproxy
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exit "$STATUS"
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