test_ssh_proxy.sh

#!/bin/bash

echo "=== 测试 SSH 连接（多种方式）==="
echo ""

WSL_HOST_IP=$(ip route show | grep -i default | awk '{ print $3}' | head -1)
echo "Windows 主机 IP: $WSL_HOST_IP"
echo ""

# 测试 1: 直接连接（TUN 模式应该自动代理）
echo "测试 1: 直接连接（依赖 TUN 模式自动代理）"
timeout 10 ssh -T -o ConnectTimeout=5 -v [email protected] 2>&1 | grep -E "(Connecting|Authenticated|successfully|Connection|error)" | head -5
echo ""

# 测试 2: 通过混合代理端口 7897 (SOCKS5)
echo "测试 2: 通过混合代理端口 7897 (SOCKS5)"
if command -v nc > /dev/null 2>&1; then
    timeout 10 ssh -T -o ConnectTimeout=5 \
        -o ProxyCommand="nc -X 5 -x $WSL_HOST_IP:7897 %h %p" \
        [email protected] 2>&1 | grep -E "(Connecting|Authenticated|successfully|Connection|error)" | head -5
else
    echo "  ✗ nc (netcat) 未安装，跳过此测试"
    echo "  安装命令: sudo apt-get install netcat-openbsd"
fi
echo ""

# 测试 3: 设置代理环境变量后连接
echo "测试 3: 设置代理环境变量后连接（混合端口 7897）"
export http_proxy=http://$WSL_HOST_IP:7897
export https_proxy=http://$WSL_HOST_IP:7897
export all_proxy=socks5://$WSL_HOST_IP:7897
echo "  已设置代理环境变量"
timeout 10 ssh -T -o ConnectTimeout=5 [email protected] 2>&1 | grep -E "(Connecting|Authenticated|successfully|Connection|error)" | head -5
echo ""

# 测试 4: 使用端口 22
echo "测试 4: 尝试端口 22（通过代理）"
timeout 10 ssh -T -o ConnectTimeout=5 -p 22 [email protected] 2>&1 | grep -E "(Connecting|Authenticated|successfully|Connection|error)" | head -5