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61 lines
2.2 KiB
Bash
61 lines
2.2 KiB
Bash
#!/bin/bash
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# 测 install.sh 里那段 DNS 劫持检测逻辑。
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#
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# 做法：先把修好的 hosts 记录**拿掉**，恢复成被劫持的状态，
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# 再跑检测逻辑，看它能不能自己发现问题并修好。
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# 这才是真的验证 —— 光看语法通过不算。
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set -u
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HOSTS=/etc/hosts
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MARK="# LanRemote: 钉住 Cloudflare API（网络会 DNS 劫持）"
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echo "===== 1. 先把修复撤掉，恢复成"被劫持"的状态 ====="
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sed -i "/$MARK/d" "$HOSTS"
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sed -i '/api\.cloudflare\.com/d' "$HOSTS"
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# 清 DNS 缓存（有就清）
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systemctl restart systemd-resolved 2>/dev/null || true
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sleep 2
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echo " 现在的解析："
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getent ahostsv4 api.cloudflare.com 2>/dev/null | head -1 | sed 's/^/ /' || echo " （解析不出来）"
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echo
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echo "===== 2. 确认现在是"坏的" ====="
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CODE=$(timeout 12 curl -4 -s -o /dev/null -w '%{http_code}' \
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https://api.cloudflare.com/client/v4/user 2>/dev/null || echo 000)
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echo " HTTP $CODE"
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if [ "$CODE" = "403" ] || [ "$CODE" = "200" ]; then
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echo " 咦，撤掉记录还是通的 —— 说明这个网络现在不劫持了，"
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echo " 那这段逻辑没法验证"坏"的路径。"
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else
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echo " ✓ 确认是坏的（$CODE）—— 可以测检测逻辑了"
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fi
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echo
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echo "===== 3. 跑 install.sh 里的检测逻辑 ====="
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# 从 install.sh 抽出检测那一段单独跑
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awk '/# ---------- 0b\. 检查 Cloudflare API/,/^fi$/' \
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/root/lanremote-relay/install.sh > /tmp/dns_section.sh
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if [ ! -s /tmp/dns_section.sh ]; then
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echo " ✗ 抽不出检测段，install.sh 里没找到标记"
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exit 1
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fi
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{ echo 'set -u'; cat /tmp/dns_section.sh; } > /tmp/dns_test.sh
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bash /tmp/dns_test.sh
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echo
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echo "===== 4. 最终确认 ====="
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echo " hosts 里的记录："
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grep -A3 "LanRemote" "$HOSTS" | sed 's/^/ /'
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echo
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echo " 解析："
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getent ahostsv4 api.cloudflare.com 2>/dev/null | head -1 | sed 's/^/ /'
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echo
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CODE2=$(timeout 12 curl -4 -s -o /dev/null -w '%{http_code}' \
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https://api.cloudflare.com/client/v4/user 2>/dev/null || echo 000)
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echo " HTTP $CODE2"
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if [ "$CODE2" = "403" ] || [ "$CODE2" = "200" ]; then
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echo " ✓ 检测逻辑自己修好了 —— install.sh 这段是有效的"
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else
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echo " ✗ 没修好"
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fi
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