luci-app-ssr-plus: Fix the issue of reading restrictions for the IP list file of nft.

luci-app-ssr-plus/root/usr/bin/ssr-rules

@@ -340,8 +340,8 @@ ipset_nft() {
 	done
 
 	# Bulk import china ip list safely (avoid huge single element limitation)
-	if [ -f "${china_ip:=/etc/ssrplus/china_ssr.txt}" ]; then
-		$NFT add element inet ss_spec china "{ $(tr '\n' ',' < "${china_ip}" | sed 's/,$//') }" 2>/dev/null
+	if [ -f "$IGNORE_LIST" ]; then
+		SKIP_INET=1 /usr/share/shadowsocksr/chinaipset.sh "$IGNORE_LIST"
 	fi
 
 	# Bulk import xhttp ip list into nft whitelist (server + shunt)
@@ -907,8 +907,8 @@ tp_rule_nft() {
 	done
 
 	# Bulk import china ip list safely (avoid huge single element limitation)
-	if [ -f "${china_ip:=/etc/ssrplus/china_ssr.txt}" ]; then
-		$NFT add element ip ss_spec_mangle china "{ $(tr '\n' ',' < "${china_ip}" | sed 's/,$//') }" 2>/dev/null
+	if [ -f "$IGNORE_LIST" ]; then
+		SKIP_INET=2 /usr/share/shadowsocksr/chinaipset.sh "$IGNORE_LIST"
 	fi
 
 	# Bulk import xhttp ip list into nft whitelist (server + shunt)

luci-app-ssr-plus/root/usr/share/shadowsocksr/chinaipset.sh

@@ -1,7 +1,53 @@
 #!/bin/sh
-[ -f "$1" ] && china_ip=$1
-ipset -! flush china 2>/dev/null
-ipset -! -R <<-EOF || exit 1
-	create china hash:net
-	$(cat ${china_ip:=/etc/ssrplus/china_ssr.txt} | sed -e "s/^/add china /")
-EOF
+
+. $IPKG_INSTROOT/etc/init.d/shadowsocksr
+
+check_run_environment
+
+# 设置 china_ip 变量并检查文件是否存在
+china_ip="${1:-${china_ip:-/etc/ssrplus/china_ssr.txt}}"
+[ -f "$china_ip" ] || exit 1
+
+case "$USE_TABLES" in
+	nftables)
+		skip_inet="${SKIP_INET:-0}"
+
+		case "$skip_inet" in
+			1)
+				{
+					# ss_spec / inet (仅在表和 set 存在时添加)
+					if nft list set inet ss_spec china >/dev/null 2>&1; then
+						echo "add element inet ss_spec china {"
+						grep -vE '^\s*#|^\s*$' "$china_ip" | sed 's/^/  /;s/$/,/'
+						echo "}"
+					fi
+				} | nft -f - || exit 1
+				;;
+			2)
+				{
+					# ss_spec_mangle / ip (仅在表和 set 存在时添加)
+					if nft list set ip ss_spec_mangle china >/dev/null 2>&1; then
+						echo "add element ip ss_spec_mangle china {"
+						grep -vE '^\s*#|^\s*$' "$china_ip" | sed 's/^/  /;s/$/,/'
+						echo "}"
+					fi
+				} | nft -f - || exit 1
+				;;
+			*)
+				echolog "chinaipset: invalid SKIP_INET=$skip_inet"
+				exit 1
+				;;
+		esac
+		;;
+	iptables)
+		ipset -! flush china 2>/dev/null
+		ipset -! -R <<-EOF || exit 1
+			create china hash:net
+			$(grep -vE '^\s*#|^\s*$' "$china_ip" | sed 's/^/add china /')
+		EOF
+		;;
+	*)
+		echolog "ERROR: No supported firewall backend detected"
+		exit 1
+		;;
+esac