From dee80b0be79c8034bd08392568bfd355df526d96 Mon Sep 17 00:00:00 2001
From: 247LIKE <54342887+247like@users.noreply.github.com>
Date: Tue, 16 Dec 2025 16:34:47 +0800
Subject: [PATCH] Enhance SSH connection attempts for IPv6

Add support for IPv6 loopback connection attempts in init.sh.
---
 init.sh | 14 ++++++++++++++
 1 file changed, 14 insertions(+)

diff --git a/init.sh b/init.sh
index 19587c1..b1263f5 100644
--- a/init.sh
+++ b/init.sh
@@ -1713,6 +1713,20 @@ enhanced_ssh_test() {
         success=1
         break
       fi
+      # 尝试 1: IPv4 回环 (主流情况)
+      if ssh -o BatchMode=yes -o ConnectTimeout=3 -o StrictHostKeyChecking=no \
+             -o UserKnownHostsFile=/dev/null -o GlobalKnownHostsFile=/dev/null \
+             -p "$port" "$user@127.0.0.1" "exit 0" >/dev/null 2>&1; then
+           success=1
+           break
+      fi
+      # 尝试 2: IPv6 回环 (针对纯 IPv6 环境的备选)
+      if ssh -o BatchMode=yes -o ConnectTimeout=3 -o StrictHostKeyChecking=no \
+             -o UserKnownHostsFile=/dev/null -o GlobalKnownHostsFile=/dev/null \
+             -p "$port" "$user@::1" "exit 0" >/dev/null 2>&1; then
+           success=1
+           break
+      fi
     fi
     attempts=$((attempts + 1))
     [ "$attempts" -le "$max_attempts" ] && sleep 1