Add subscription management, mixin, and tun support

scripts/config_utils.sh

@@ -0,0 +1,86 @@
+#!/bin/bash
+
+trim_value() {
+	local value="$1"
+	echo "$value" | sed 's/^[[:space:]]*//;s/[[:space:]]*$//'
+}
+
+apply_tun_config() {
+	local config_path="$1"
+	local enable="${CLASH_TUN_ENABLE:-false}"
+	if [ "$enable" != "true" ]; then
+		return 0
+	fi
+
+	local stack="${CLASH_TUN_STACK:-system}"
+	local auto_route="${CLASH_TUN_AUTO_ROUTE:-true}"
+	local auto_redirect="${CLASH_TUN_AUTO_REDIRECT:-false}"
+	local strict_route="${CLASH_TUN_STRICT_ROUTE:-false}"
+	local device="${CLASH_TUN_DEVICE:-}"
+	local mtu="${CLASH_TUN_MTU:-}"
+	local dns_hijack="${CLASH_TUN_DNS_HIJACK:-}"
+
+	{
+		echo ""
+		echo "tun:"
+		echo "  enable: true"
+		echo "  stack: ${stack}"
+		echo "  auto-route: ${auto_route}"
+		echo "  auto-redirect: ${auto_redirect}"
+		echo "  strict-route: ${strict_route}"
+		if [ -n "$device" ]; then
+			echo "  device: ${device}"
+		fi
+		if [ -n "$mtu" ]; then
+			echo "  mtu: ${mtu}"
+		fi
+		if [ -n "$dns_hijack" ]; then
+			echo "  dns-hijack:"
+			IFS=',' read -r -a hijacks <<< "$dns_hijack"
+			for item in "${hijacks[@]}"; do
+				local trimmed
+				trimmed=$(trim_value "$item")
+				if [ -n "$trimmed" ]; then
+					echo "    - ${trimmed}"
+				fi
+			done
+		fi
+	} >> "$config_path"
+}
+
+apply_mixin_config() {
+	local config_path="$1"
+	local base_dir="${2:-$Server_Dir}"
+	local mixin_dir="${CLASH_MIXIN_DIR:-$base_dir/conf/mixin.d}"
+	local mixin_paths=()
+
+	if [ -n "${CLASH_MIXIN_PATHS:-}" ]; then
+		IFS=',' read -r -a mixin_paths <<< "$CLASH_MIXIN_PATHS"
+	fi
+
+	if [ -d "$mixin_dir" ]; then
+		while IFS= read -r -d '' file; do
+			mixin_paths+=("$file")
+		done < <(find "$mixin_dir" -maxdepth 1 -type f \( -name '*.yml' -o -name '*.yaml' \) -print0 | sort -z)
+	fi
+
+	for path in "${mixin_paths[@]}"; do
+		local trimmed
+		trimmed=$(trim_value "$path")
+		if [ -z "$trimmed" ]; then
+			continue
+		fi
+		if [ "${trimmed:0:1}" != "/" ]; then
+			trimmed="$base_dir/$trimmed"
+		fi
+		if [ -f "$trimmed" ]; then
+			{
+				echo ""
+				echo "# ---- mixin: ${trimmed} ----"
+				cat "$trimmed"
+			} >> "$config_path"
+		else
+			echo "[WARN] Mixin file not found: $trimmed" >&2
+		fi
+	done
+}