Merge pull request #27 from kanomahoro1224/fix/doctor-iface

启动器「发给朋友」不再把代理 TUN 当公网 IP；删掉永不生效的 ^tun\d

tools/doctor.mjs

@@ -24,16 +24,21 @@ import {
 // LAN addresses (also used by scripts/launch.mjs)
 // ---------------------------------------------------------------------------------------------------
 
-const VIRTUAL_IF = /(vethernet|virtualbox|vmware|vmnet|docker|^br-|^veth|wsl|hyper-v|vboxnet|bridge\d|utun|awdl|llw|parallels|loopback)/i;
-const VPN_IF = /(tailscale|zerotier|^zt|wireguard|^wg\d|tun\d|tap)/i;
+// 名字里带这些的网卡不对局域网开放：虚拟机 / 容器 / WSL / 代理软件的 TUN 适配器（Mihomo、Clash）。
+// 这里不再列 `^tun\d`：下面 VPN_IF 的 `tun\d` 先判定，任何能被 `^tun\d` 命中的名字也一定被它命中，
+// 于是 tun0/tap0 一律归为 vpn（那正是同组好友互连用的地址）。写在两处只会让人以为顺序无关。
+const VIRTUAL_IF = /(vethernet|virtualbox|vmware|vmnet|docker|^br-|^veth|wsl|hyper-v|vboxnet|bridge\d|utun|awdl|llw|parallels|loopback|mihomo|clash|sing-?box)/i;
+// 点对点 VPN：这些地址就是同组好友互相访问用的（Tailscale / ZeroTier / WireGuard / Radmin VPN / Hamachi）。
+const VPN_IF = /(tailscale|zerotier|^zt|wireguard|^wg\d|tun\d|tap|radmin|hamachi)/i;
 
 function ipv4ToInt(ip) { return ip.split('.').reduce((n, x) => (n << 8) + Number(x), 0) >>> 0; }
 function inCidr(ip, base, bits) { const mask = bits === 0 ? 0 : (~0 << (32 - bits)) >>> 0; return (ipv4ToInt(ip) & mask) === (ipv4ToInt(base) & mask); }
 
 /**
  * Classify every non-internal IPv4 address: 'lan' (RFC 1918, what friends at home use), 'vpn' (Tailscale / ZeroTier /
- * CGNAT 100.64/10), 'virtual' (Hyper-V, WSL, Docker, VirtualBox … — usually not reachable from other machines),
- * 'public' (a public address directly on this machine), 'linklocal' (169.254 — no DHCP, useless).
+ * Radmin / Hamachi / CGNAT 100.64/10), 'virtual' (Hyper-V, WSL, Docker, VirtualBox, a Clash/Mihomo TUN adapter … —
+ * not reachable from other machines, sharing them only confuses people), 'public' (a public address directly on this
+ * machine), 'linklocal' (169.254 — no DHCP, useless).
  * @returns {{ name: string, address: string, kind: string }[]} best first
  */
 export function classifyAddresses(ifaces = os.networkInterfaces()) {
@@ -44,6 +49,9 @@ export function classifyAddresses(ifaces = os.networkInterfaces()) {
       const ip = a.address;
       let kind;
       if (inCidr(ip, '169.254.0.0', 16)) kind = 'linklocal';
+      // 198.18.0.0/15 是 RFC 2544 的基准测试段：代理软件（Clash / Mihomo 的 fake-ip 池）拿它做本地 TUN 地址，
+      // 绝对不是能发给朋友的「公网 IP」。
+      else if (inCidr(ip, '198.18.0.0', 15)) kind = 'virtual';
       else if (VPN_IF.test(name) || inCidr(ip, '100.64.0.0', 10)) kind = 'vpn';
       else if (VIRTUAL_IF.test(name)) kind = 'virtual';
       else if (inCidr(ip, '10.0.0.0', 8) || inCidr(ip, '172.16.0.0', 12) || inCidr(ip, '192.168.0.0', 16)) kind = 'lan';