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class="post-content" id="article-container"><blockquote> <p>之前的文章丢了,重新写一个</p> </blockquote> <p>这里使用赵师傅开发 <code>ctfd-whale</code> 插件实现动态靶机和动态 flag 功能,要知道的是赵师傅开发的插件是为了适合 buu 的架构,对于普通单服务器搭建靶场的需求对应的是赵师傅博客中的第一个模式。由于赵师傅的博客中有一大部分没有解释清楚的地方,这里写一篇文章做详解。</p> <h2 id="准备"><a href="#准备" class="headerlink" title="准备"></a>准备</h2><h3 id="安装环境"><a href="#安装环境" class="headerlink" title="安装环境"></a>安装环境</h3><p>由于动态靶机是使用 <code>docker</code> 实现的,所以首先要准备安装一下 <code>docker</code></p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">curl -fsSL https://get.docker.com | bash -s docker --mirror Aliyun </span><br><span class="line">sudo usermod -aG docker vaala</span><br></pre></td></tr></table></figure> <p>然后还要准备 <code>docker-compose</code></p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">sudo apt install docker-compose -y</span><br></pre></td></tr></table></figure> <h3 id="配置环境"><a href="#配置环境" class="headerlink" title="配置环境"></a>配置环境</h3><p>由于插件使用的是集群的模式,所以这里要创建一个单个服务器的集群</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">docker swarm init</span><br></pre></td></tr></table></figure> <p>然后获得节点 ID</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">docker node ls | awk '{print $1}'</span><br></pre></td></tr></table></figure> <p>然后将这个 ID 代表的服务器加入集群</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">docker node update --label-add name=linux-1 unvkxf584pwghr2klw******* # 这里换成上一步找到的 ID</span><br></pre></td></tr></table></figure> <p>最后要准备的是给 <code>docker</code> 更换镜像源,这里推荐将 daocloud 和 aliyun 的源都添加进去,不然会很龟速,也可以给 docker 设置镜像源代理如下</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">sudo mkdir -p /etc/systemd/system/docker.service.d</span><br><span class="line">sudo nano /etc/systemd/system/docker.service.d/http-proxy.conf</span><br></pre></td></tr></table></figure> <p>然后添加内容,这里是我自己的代理</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">[Service]</span><br><span class="line">Environment="HTTP_PROXY=http://127.0.0.1:7890"</span><br><span class="line">Environment="HTTPS_PROXY=http://127.0.0.1:7890"</span><br></pre></td></tr></table></figure> <p>重启生效</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">sudo systemctl daemon-reload</span><br><span class="line">sudo systemctl restart docker</span><br></pre></td></tr></table></figure> <h2 id="安装"><a href="#安装" class="headerlink" title="安装"></a>安装</h2><h3 id="下载"><a href="#下载" class="headerlink" title="下载"></a>下载</h3><p>首先使用赵师傅仓库中的 <code>ctfd</code>,已经做好了镜像换源等工作。</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">git clone -b single https://github.com/glzjin/CTFd.git</span><br></pre></td></tr></table></figure> <p>由于国内访问 github 会出现速度慢的问题,所以这里我将源码上传到了我的服务器以供高速下载</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">curl -o CTFd.tar https://file.vaa.la/s/Swo9frbkoAMncky/download && tar -xf CTFd.tar</span><br></pre></td></tr></table></figure> <h3 id="配置"><a href="#配置" class="headerlink" title="配置"></a>配置</h3><figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">cd CTFd</span><br><span class="line">nano frp/frps.ini # token 一定要随机</span><br><span class="line">nano frp/frpc.ini # token 一定要随机</span><br></pre></td></tr></table></figure> <p>这里给出 <code>frp</code> 两个配置文件的内容供参考,大致就是只需要修改 token</p> <ul> <li><p><code>frpc.ini</code></p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br></pre></td><td class="code"><pre><span class="line">[common]</span><br><span class="line">token = randomme</span><br><span class="line">server_addr = 172.1.0.1</span><br><span class="line">server_port = 6490</span><br><span class="line">pool_count = 200</span><br><span class="line">tls_enable = true</span><br><span class="line"></span><br><span class="line">admin_addr = 172.1.0.3</span><br><span class="line">admin_port = 7400</span><br></pre></td></tr></table></figure> </li> <li><p><code>frps.ini</code></p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">[common]</span><br><span class="line">bind_port = 6490</span><br><span class="line">token = randomme</span><br></pre></td></tr></table></figure> </li> </ul> <p>修改好之后我们修改一下 Dockerfile 中的源,之前的 tuna 源有些东西有问题,这里换成阿里的,并且要删除 <code>Dockerfile</code> 中的 <code>python</code>,要修改的部分修改后大概就是这一段</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br></pre></td><td class="code"><pre><span class="line">FROM python:3.7-alpine</span><br><span class="line"></span><br><span class="line">WORKDIR /opt/CTFd</span><br><span class="line">RUN mkdir -p /opt/CTFd /var/log/CTFd /var/uploads</span><br><span class="line"></span><br><span class="line">RUN echo http://mirrors.aliyun.com/alpine/v3.12/main/ > /etc/apk/repositories && \</span><br><span class="line"> apk update</span><br><span class="line"></span><br><span class="line">RUN sed -i 's/dl-cdn.alpinelinux.org/mirrors.aliyun.com/g' /etc/apk/repositories</span><br><span class="line"></span><br><span class="line">RUN apk add \</span><br><span class="line"> linux-headers \</span><br><span class="line"> libffi-dev \</span><br><span class="line"> gcc \</span><br><span class="line"> g++ \</span><br><span class="line"> make \</span><br><span class="line"> musl-dev \</span><br><span class="line"> mysql-client \</span><br><span class="line"> git \</span><br><span class="line"> openssl-dev</span><br></pre></td></tr></table></figure> <p>删除 <code>requirements.txt</code> 中的 <code>gevent</code> 版本号</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br></pre></td><td class="code"><pre><span class="line">datafreeze==0.1.0</span><br><span class="line">gevent</span><br><span class="line">python-dotenv==0.10.3</span><br></pre></td></tr></table></figure> <p>然后安装插件并启动</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br></pre></td><td class="code"><pre><span class="line">git submodule update --init</span><br><span class="line">docker-compose up -d</span><br></pre></td></tr></table></figure> <p>不出意外就应该成功了,使用</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br></pre></td><td class="code"><pre><span class="line">docker ps -a</span><br></pre></td></tr></table></figure> <p>查看是否有没有正确启动的镜像</p> <h3 id="平台设置"><a href="#平台设置" class="headerlink" title="平台设置"></a>平台设置</h3><p>浏览器访问 8000 端口进入平台,完成平台基本配置,然后进入后台,右上角的插件中进入 <code>ctfd-whale</code> 设置,按下面的内容填写配置</p> <table> <thead> <tr> <th>项</th> <th>内容</th> </tr> </thead> <tbody><tr> <td>Docker API URL</td> <td><code>unix://var/run/docker.sock</code></td> </tr> <tr> <td>Frp API IP</td> <td><code>172.1.0.3</code></td> </tr> <tr> <td>Frp API Port</td> <td><code>7400</code></td> </tr> <tr> <td>Frp Http Domain Suffix</td> <td><code>None</code></td> </tr> <tr> <td>Frp Http Port</td> <td><code>80</code></td> </tr> <tr> <td>Frp Direct IP Address</td> <td><code>chive.vaala.cloud</code></td> </tr> <tr> <td>Frp Direct Minimum Port</td> <td><code>28000</code></td> </tr> <tr> <td>Frp Direct Maximum Port</td> <td><code>28100</code></td> </tr> <tr> <td>Max Container Count</td> <td><code>100</code></td> </tr> <tr> <td>Max Renewal Times</td> <td><code>5</code></td> </tr> <tr> <td>Frp config template</td> <td>这里填写之前 <code>frpc.ini</code> 的内容</td> </tr> <tr> <td>Docker Auto Connect Containers</td> <td><code>ctfd_frpc_1</code></td> </tr> <tr> <td>Docker Auto Connect Network</td> <td><code>ctfd_frp_containers</code></td> </tr> <tr> <td>Docker Dns Setting</td> <td>可留空或填写外部dns</td> </tr> <tr> <td>Docker Swarm Nodes</td> <td><code>linux-1</code></td> </tr> <tr> <td>Docker Multi-Container Network Subnet</td> <td><code>173.0.0.0/16</code></td> </tr> <tr> <td>Docker Multi-Container Network Subnet New Prefix</td> <td><code>24</code></td> </tr> <tr> <td>Docker Container Timeout</td> <td><code>3600</code></td> </tr> </tbody></table> <p>最后点一下更新就可以保存配置了,填写完成后新建题目测试是否成功,按下表新建题目,表中没有提到的保持默认就好</p> <table> <thead> <tr> <th>项</th> <th>内容</th> </tr> </thead> <tbody><tr> <td>Choose Challenge Type</td> <td><code>Dynamic docker</code></td> </tr> <tr> <td>Name</td> <td><code>test</code></td> </tr> <tr> <td>Category</td> <td><code>test</code></td> </tr> <tr> <td>Initial Value</td> <td><code>1</code></td> </tr> <tr> <td>Decay Limit</td> <td><code>1</code></td> </tr> <tr> <td>Minimum Value</td> <td><code>1</code></td> </tr> <tr> <td>Docker Image</td> <td><code>vaalacat/push_f12</code></td> </tr> <tr> <td>Frp Redirect Type</td> <td><code>Direct</code></td> </tr> <tr> <td>Frp Redirect Port</td> <td><code>80</code></td> </tr> <tr> <td>Score Type</td> <td><code>dynamic score</code></td> </tr> </tbody></table> <p>新建题目过后点击启动,然后等待靶机创建,可以在服务器中 <code>docker ps -a</code> 查看是否启动,若启动成功则搭建完成</p> <h2 id="问题解决"><a href="#问题解决" class="headerlink" title="问题解决"></a>问题解决</h2><h3 id="docker-ps显示正常但是无法访问"><a href="#docker-ps显示正常但是无法访问" class="headerlink" title="docker ps显示正常但是无法访问"></a>docker ps显示正常但是无法访问</h3><p>可以使用 <code>docker logs ctfd_ctfd_1</code> 查看输出,如果发现输出类似:</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br><span class="line">6</span><br><span class="line">7</span><br><span class="line">8</span><br><span class="line">9</span><br><span class="line">10</span><br><span class="line">11</span><br><span class="line">12</span><br><span class="line">13</span><br><span class="line">14</span><br><span class="line">15</span><br><span class="line">16</span><br><span class="line">17</span><br><span class="line">18</span><br><span class="line">19</span><br><span class="line">20</span><br><span class="line">21</span><br></pre></td><td class="code"><pre><span class="line">/usr/local/lib/python3.7/site-packages/tzlocal/unix.py:158: UserWarning: Can not find any timezone configuration, defaulting to UTC.</span><br><span class="line"> warnings.warn('Can not find any timezone configuration, defaulting to UTC.')</span><br><span class="line">Starting CTFd</span><br><span class="line">/usr/local/lib/python3.7/importlib/_bootstrap.py:219: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 144 from C header, got 152 from PyObject</span><br><span class="line"> return f(*args, **kwds)</span><br><span class="line">/usr/local/lib/python3.7/importlib/_bootstrap.py:219: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 144 from C header, got 152 from PyObject</span><br><span class="line"> return f(*args, **kwds)</span><br><span class="line">/usr/local/lib/python3.7/importlib/_bootstrap.py:219: RuntimeWarning: greenlet.greenlet size changed, may indicate binary incompatibility. Expected 144 from C header, got 152 from PyObject</span><br><span class="line"> return f(*args, **kwds)</span><br><span class="line">[2020-10-11 12:31:30 +0000] [1] [INFO] Starting gunicorn 19.9.0</span><br><span class="line">[2020-10-11 12:31:30 +0000] [1] [INFO] Listening at: http://0.0.0.0:8000 (1)</span><br><span class="line">[2020-10-11 12:31:30 +0000] [1] [INFO] Using worker: gevent</span><br><span class="line">[2020-10-11 12:31:30 +0000] [21] [INFO] Booting worker with pid: 21</span><br><span class="line">[2020-10-11 12:31:31 +0000] [23] [INFO] Booting worker with pid: 23</span><br><span class="line">[2020-10-11 12:31:32 +0000] [25] [INFO] Booting worker with pid: 25</span><br><span class="line">[2020-10-11 12:31:34 +0000] [27] [INFO] Booting worker with pid: 27</span><br><span class="line">[2020-10-11 12:31:35 +0000] [29] [INFO] Booting worker with pid: 29</span><br><span class="line">[2020-10-11 12:31:36 +0000] [31] [INFO] Booting worker with pid: 31</span><br><span class="line">[2020-10-11 12:31:37 +0000] [33] [INFO] Booting worker with pid: 33</span><br><span class="line">[2020-10-11 12:31:39 +0000] [35] [INFO] Booting worker with pid: 35</span><br><span class="line">[2020-10-11 12:31:40 +0000] [37] [INFO] Booting worker with pid: 37</span><br></pre></td></tr></table></figure> <p>则问题为<a target="_blank" rel="noopener" href="https://stackoverflow.com/questions/64105616/greenlet-runtime-error-and-deployed-app-in-docker-keeps-booting-all-the-workers">这篇文章中所提到的问题</a>,只需要删除 <code>requirements.txt</code> 中的 <code>gevent</code> 版本号即可,结果类似下面这样</p> <figure class="highlight plain"><table><tr><td class="gutter"><pre><span class="line">1</span><br><span class="line">2</span><br><span class="line">3</span><br><span class="line">4</span><br><span class="line">5</span><br></pre></td><td class="code"><pre><span class="line">redis==3.3.11</span><br><span class="line">datafreeze==0.1.0</span><br><span class="line">gevent</span><br><span class="line">python-dotenv==0.10.3</span><br><span class="line">flask-restplus==0.13.0</span><br></pre></td></tr></table></figure> <p>然后 <code>docker-compose down</code> 再启动 <code>docker-compose up -d --build</code> 不出意外应该就能解决问题</p> <h2 id="参考"><a href="#参考" class="headerlink" title="参考"></a>参考</h2><blockquote> <p><a target="_blank" rel="noopener" href="https://www.zhaoj.in/read-6333.html">CTFd-Whale 推荐部署实践</a></p> </blockquote> </div><div class="post-copyright"><div class="post-copyright__author"><span class="post-copyright-meta">文章作者: </span><span class="post-copyright-info"><a href="mailto:undefined">VaalaCat</a></span></div><div class="post-copyright__type"><span class="post-copyright-meta">文章链接: </span><span class="post-copyright-info"><a 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