322 lines
14 KiB
Bash
Executable File
322 lines
14 KiB
Bash
Executable File
#!/bin/bash
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# ==========================================================
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# 脚本名称: agent_daemon.sh (受控节点 Webhook 守护进程 - 动态锚点版)
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# 核心功能: 智能防打扰注册、进程自检、模块级路由分发(403拦截)
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# ==========================================================
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INSTALL_DIR="/opt/ip_sentinel"
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CONFIG_FILE="${INSTALL_DIR}/config.conf"
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IP_CACHE="${INSTALL_DIR}/core/.last_ip"
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[ ! -f "$CONFIG_FILE" ] && exit 1
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source "$CONFIG_FILE"
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# 如果没有配置 TG，说明未开启联控模式，直接退出
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[ -z "$TG_TOKEN" ] || [ -z "$CHAT_ID" ] && exit 0
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# 默认 Webhook 监听端口
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AGENT_PORT=${AGENT_PORT:-9527}
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# [v3.5.2 核心] 载入不可变主键与可变展示名 (双轨身份)
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if [ -z "$NODE_NAME" ]; then
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IP_HASH=$(echo "${PUBLIC_IP:-127.0.0.1}" | md5sum | cut -c 1-4 | tr 'a-z' 'A-Z')
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NODE_NAME="$(hostname | cut -c 1-10)-${IP_HASH}"
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fi
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NODE_ALIAS="${NODE_ALIAS:-$NODE_NAME}"
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# --- [重点升级 1: 守护进程防冲突自检] ---
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if pgrep -f "webhook.py $AGENT_PORT" > /dev/null; then
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exit 0
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fi
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# 1. 尝试获取实时公网 IP
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RAW_IP=$(curl -${IP_PREF:-4} -s -m 5 api.ip.sb/ip | tr -d '[:space:]')
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# [v3.3.1 修改] 为新获取到的 v6 自动加方括号；如果网络波动没抓到，强制信任本地 config 中的公网面孔
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if [ -n "$RAW_IP" ]; then
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if [[ "$RAW_IP" == *":"* ]] && [[ "$RAW_IP" != *"["* ]]; then
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AGENT_IP="[${RAW_IP}]"
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else
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AGENT_IP="$RAW_IP"
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fi
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else
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AGENT_IP="${PUBLIC_IP:-${BIND_IP:-Unknown}}"
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fi
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if [ -n "$AGENT_IP" ]; then
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# --- [重点升级 2: 智能防打扰注册机制] ---
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LAST_IP=""
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[ -f "$IP_CACHE" ] && LAST_IP=$(cat "$IP_CACHE" | tr -d '[:space:]')
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# 只有当这是第一次运行，或者公网 IP 发生变动时，才发送 Telegram 申请
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if [ "$AGENT_IP" != "$LAST_IP" ]; then
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# [v3.5.2 核心] 携带 6 字段双轨身份发起注册申请 (展示别名，暗号尾部追加 NODE_ALIAS)
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REG_MSG="👋 **[边缘节点接入申请]**%0A大区: \`${REGION_CODE}\`%0A节点: \`${NODE_ALIAS}\`%0A地址: \`${AGENT_IP}:${AGENT_PORT}\`%0A%0A⚠️ **安全验证**: 为防止非法节点接入，请长按复制下方代码，并**发送给我**以完成最终授权录入：%0A%0A\`#REGISTER#|${REGION_CODE}|${NODE_NAME}|${AGENT_IP}|${AGENT_PORT}|${NODE_ALIAS}\`"
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curl -s -m 5 -X POST "${TG_API_URL}" \
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-d "chat_id=${CHAT_ID}" \
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-d "text=${REG_MSG}" \
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-d "parse_mode=Markdown" > /dev/null
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echo "✅ [Agent] 已向司令部发送接入申请，请在 Telegram 手机端完成授权！"
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echo "$AGENT_IP" > "$IP_CACHE"
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else
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echo "ℹ️ [Agent] IP 未变动 ($AGENT_IP)，跳过重复注册申请。"
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fi
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fi
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# 3. 启动轻量级 Python3 Webhook 监听服务 (v3.0.4 动态 HMAC 签名防重放)
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cat > "${INSTALL_DIR}/core/webhook.py" << 'EOF'
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import http.server
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import socketserver
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import subprocess
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import sys
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import os
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import html
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# ================== [v3.0.4 新增密码学与解析依赖] ==================
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import urllib.parse
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import urllib.request # [修复] 提升至全局作用域，防止局部变量遮蔽
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import hmac
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import hashlib
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import time
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# ====================================================================
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PORT = int(sys.argv[1])
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# 🛡️ 提取全局鉴权 Token (利用 CHAT_ID 作为 PSK 预共享密钥)
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AUTH_TOKEN = ""
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if os.path.exists('/opt/ip_sentinel/config.conf'):
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with open('/opt/ip_sentinel/config.conf', 'r') as f:
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for line in f:
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line = line.strip()
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if line.startswith('CHAT_ID='):
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AUTH_TOKEN = line.split('=', 1)[1].strip('"\'')
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break
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class AgentHandler(http.server.BaseHTTPRequestHandler):
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def do_GET(self):
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# 🛡️ [v3.0.4 核心] URL 解析与动态 HMAC-SHA256 签名校验
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parsed = urllib.parse.urlparse(self.path)
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req_path = parsed.path
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if AUTH_TOKEN:
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query = urllib.parse.parse_qs(parsed.query)
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req_t = query.get('t', [''])[0]
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req_sign = query.get('sign', [''])[0]
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# 校验 1：参数是否齐全
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if not req_t or not req_sign:
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self.send_response(401)
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self.end_headers()
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self.wfile.write(b"401 Unauthorized: Missing Signature\n")
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return
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try:
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# 校验 2：时间戳防重放 (误差 ±60秒 内有效，拒绝隔夜抓包重放)
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if abs(int(time.time()) - int(req_t)) > 60:
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self.send_response(401)
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self.end_headers()
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self.wfile.write(b"401 Unauthorized: Request Expired\n")
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return
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except ValueError:
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self.send_response(401)
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self.end_headers()
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return
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# 校验 3：HMAC 数据完整性与身份合法性校验
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msg = f"{req_path}:{req_t}".encode('utf-8')
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expected_sign = hmac.new(AUTH_TOKEN.encode('utf-8'), msg, hashlib.sha256).hexdigest()
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# 使用 compare_digest 防御时序攻击
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if not hmac.compare_digest(expected_sign, req_sign):
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self.send_response(401)
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self.end_headers()
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self.wfile.write(b"401 Unauthorized: Signature Mismatch\n")
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return
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# ================== 路由分发 (恢复为安全的精确匹配) ==================
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# 路由 0: 全局统筹调度 (处理 /trigger_run 一键全节点维护)
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if req_path == '/trigger_run':
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if os.path.exists('/opt/ip_sentinel/core/runner.sh'):
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self.send_response(200)
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self.send_header("Content-type", "text/plain")
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self.end_headers()
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self.wfile.write(b"Action Accepted: runner\n")
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subprocess.Popen(['bash', '/opt/ip_sentinel/core/runner.sh'])
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else:
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self.send_response(404)
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self.end_headers()
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# 路由 1: Google 区域纠偏
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elif req_path == '/trigger_google':
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if os.path.exists('/opt/ip_sentinel/core/mod_google.sh'):
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self.send_response(200)
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self.send_header("Content-type", "text/plain")
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self.end_headers()
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self.wfile.write(b"Action Accepted: mod_google\n")
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subprocess.Popen(['bash', '/opt/ip_sentinel/core/mod_google.sh'])
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else:
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self.send_response(403)
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self.send_header("Content-type", "text/plain")
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self.end_headers()
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self.wfile.write(b"403 Forbidden: Google Module Disabled\n")
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# 路由 2: IP 信用净化
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elif req_path == '/trigger_trust':
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if os.path.exists('/opt/ip_sentinel/core/mod_trust.sh'):
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self.send_response(200)
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self.send_header("Content-type", "text/plain")
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self.end_headers()
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self.wfile.write(b"Action Accepted: mod_trust\n")
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subprocess.Popen(['bash', '/opt/ip_sentinel/core/mod_trust.sh'])
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else:
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self.send_response(403)
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self.send_header("Content-type", "text/plain")
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self.end_headers()
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self.wfile.write(b"403 Forbidden: Trust Module Disabled\n")
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# 路由 3: 触发战报推送
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elif req_path == '/trigger_report':
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self.send_response(200)
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self.send_header("Content-type", "text/plain")
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self.end_headers()
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self.wfile.write(b"Action Accepted: tg_report\n")
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subprocess.Popen(['bash', '/opt/ip_sentinel/core/tg_report.sh'])
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# 路由 4: 抓取并回传实时日志
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elif req_path == '/trigger_log':
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self.send_response(200)
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self.send_header("Content-type", "text/plain")
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self.end_headers()
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self.wfile.write(b"Action Accepted: fetch_log\n")
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try:
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config = {}
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if os.path.exists('/opt/ip_sentinel/config.conf'):
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with open('/opt/ip_sentinel/config.conf', 'r') as f:
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for line in f:
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line = line.strip()
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if '=' in line and not line.startswith('#'):
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key, val = line.split('=', 1)
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config[key] = val.strip('"\'')
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log_data = "日志文件不存在或为空"
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log_path = '/opt/ip_sentinel/logs/sentinel.log'
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if os.path.exists(log_path):
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with open(log_path, 'r', errors='ignore') as f:
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lines = f.readlines()
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if lines:
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log_data = html.escape("".join(lines[-15:]))
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# [v3.5.2 核心] 获取版本与节点展示别名
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local_ver = config.get('AGENT_VERSION', '未知')
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node_alias = config.get('NODE_ALIAS', config.get('NODE_NAME', 'Unknown-Node'))
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text_msg = f"📄 <b>[{node_alias}] 实时日志 (v{local_ver}):</b>\n<pre><code>{log_data}</code></pre>"
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data = urllib.parse.urlencode({
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'chat_id': config.get('CHAT_ID', ''),
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'text': text_msg,
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'parse_mode': 'HTML'
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}).encode('utf-8')
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req = urllib.request.Request(
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config.get('TG_API_URL', ''),
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data=data,
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# [动态化] 彻底消灭硬编码，使用运行态版本号
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headers={'User-Agent': f'IP-Sentinel-Agent/{local_ver}'}
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)
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urllib.request.urlopen(req, timeout=10)
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except Exception as e:
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print(f"Log transmission failed: {e}")
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# 路由 5: 节点重命名展示别名同步接口 (Base64 终极防御版)
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elif req_path == '/trigger_rename':
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b64_alias = query.get('b64', [''])[0]
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if not b64_alias:
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self.send_response(400)
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self.end_headers()
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self.wfile.write(b"400 Bad Request: Alias is empty\n")
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return
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import re
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import base64
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try:
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# 1. 还原 URL 安全的 Base64 字符并解码 (杜绝乱码与 WAF 拦截)
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pad = len(b64_alias) % 4
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if pad > 0:
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b64_alias += '=' * (4 - pad)
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b64_alias = b64_alias.replace('-', '+').replace('_', '/')
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raw_alias = base64.b64decode(b64_alias).decode('utf-8', errors='ignore')
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# 2. 强清洗：杜绝 TG Markdown 崩溃，严格限制中英数，最大20字符
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decoded_alias = raw_alias.replace('_', '-')
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safe_alias = re.sub(r'[^a-zA-Z0-9\-\u4e00-\u9fa5]', '', decoded_alias)[:20]
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if safe_alias:
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# 3. 强容错读写 config.conf
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config_path = '/opt/ip_sentinel/config.conf'
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with open(config_path, 'r', encoding='utf-8', errors='ignore') as f:
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lines = f.readlines()
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alias_found = False
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config_dict = {}
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for i, line in enumerate(lines):
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if line.startswith('NODE_ALIAS='):
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lines[i] = f'NODE_ALIAS="{safe_alias}"\n'
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alias_found = True
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elif '=' in line and not line.startswith('#'):
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key, val = line.strip().split('=', 1)
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config_dict[key] = val.strip('"\'')
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if not alias_found:
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lines.append(f'NODE_ALIAS="{safe_alias}"\n')
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with open(config_path, 'w', encoding='utf-8') as f:
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f.writelines(lines)
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# [v3.5.2 极致丝滑] 移除向 TG 推送冗余报文的逻辑，直接向 Master 回执成功状态即可
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self.send_response(200)
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self.send_header("Content-type", "text/plain")
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self.end_headers()
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self.wfile.write(b"Action Accepted: trigger_rename\n")
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return
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except Exception as e:
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self.send_response(500)
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self.end_headers()
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self.wfile.write(f"500 Internal Error: {str(e)}\n".encode('utf-8'))
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return
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self.send_response(400)
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self.end_headers()
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self.wfile.write(b"400 Bad Request: Invalid Characters\n")
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else:
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self.send_response(404)
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self.end_headers()
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def log_message(self, format, *args):
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pass
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import socket
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# ================== [v3.0.3 变更: 引入多线程模型抵抗 Slowloris 攻击] ==================
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class ThreadedDualStackServer(socketserver.ThreadingMixIn, socketserver.TCPServer):
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allow_reuse_address = True # 开启端口复用，防止热重启时端口冲突
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address_family = socket.AF_INET6 if socket.has_ipv6 else socket.AF_INET
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try:
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bind_addr = "::" if socket.has_ipv6 else ""
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with ThreadedDualStackServer((bind_addr, PORT), AgentHandler) as httpd:
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httpd.serve_forever()
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except Exception as e:
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sys.exit(1)
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# ====================================================================================
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EOF
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# --- [重点升级 3: 真正的静默后台启动] ---
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echo "🚀 [Agent] 正在后台启动 Webhook 监听服务 (端口: $AGENT_PORT)..."
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nohup python3 "${INSTALL_DIR}/core/webhook.py" "$AGENT_PORT" > /dev/null 2>&1 &
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disown 2>/dev/null || true
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echo "✅ [Agent] 守护进程启动完毕，可安全关闭终端。" |