fix: 修复 edns sourcePrefixLength

2025-08-10 00:52:40 +00:00 · 2024-12-21 21:13:09 +08:00
2 changed files with 3 additions and 2 deletions
--- a/backend/package.json
+++ b/backend/package.json
@@ -1,6 +1,6 @@
 {
  "name": "sub-store",
-  "version": "2.14.444",
+  "version": "2.14.445",
  "description": "Advanced Subscription Manager for QX, Loon, Surge, Stash and ShadowRocket.",
  "main": "src/main.js",
  "scripts": {
--- a/backend/src/utils/dns.js
+++ b/backend/src/utils/dns.js
@@ -1,6 +1,7 @@
 import $ from '@/core/app';
 import dnsPacket from 'dns-packet';
 import { Buffer } from 'buffer';
+import { isIPv4 } from '@/utils';

 export async function doh({ url, domain, type = 'A', timeout, edns }) {
    const buf = dnsPacket.encode({
@@ -23,7 +24,7 @@ export async function doh({ url, domain, type = 'A', timeout, edns }) {
                    {
                        code: 'CLIENT_SUBNET',
                        ip: edns,
-                        sourcePrefixLength: 24,
+                        sourcePrefixLength: isIPv4(edns) ? 24 : 56,
                        scopePrefixLength: 0,
                    },
                ],