131 lines
4.0 KiB
C#
131 lines
4.0 KiB
C#
// /**
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// * File: SSH.cs
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// * Author: haraldwolff
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// *
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// * This file and it's content is copyrighted by the Author and / or copyright holder.
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// * Any use wihtout proper permission is illegal and may lead to legal actions.
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// *
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// *
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// **/
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using System;
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using Renci.SshNet;
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using ln.types;
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using Renci.SshNet.Common;
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using System.Net.Sockets;
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using ln.types.net;
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namespace ln.skyscanner.crawl.tests
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{
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public static class SSH
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{
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static string[] defaultPasswords = new string[]
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{
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"MNX3oTzhp9am",
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"f1whWdj5E2Mo",
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"f1whWdj5",
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"0Sl71eGw",
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"0Sl71eGwVdjI6WeW",
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"67E3xpTc",
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"67E3xpTcMbwR",
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"v1kXbeCux0Td",
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"v1kXbeCu",
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"YNZRtVUFH94b",
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"67E3xpTcMbwR",
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"v1kXbeCux0Td",
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"DVqxof1JQ9at"
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};
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public static bool CanConnect(CrawledHost crawledHost)
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{
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int sshPort = crawledHost.GetHint<int>("ssh.port", -1);
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IPv4 sshIP = crawledHost.GetHint<IPv4>("ssh.ip", null);
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string sshUser = crawledHost.GetHint<string>("ssh.login", null);
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string sshPassword = crawledHost.GetHint<string>("ssh.password", null);
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if ((sshPort == -1) || !CanConnect(crawledHost,sshIP,sshPort,sshUser,sshPassword))
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{
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if (!Scan(crawledHost))
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{
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crawledHost.SetHint("ssh.port", -1);
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crawledHost.SetHint("ssh.ip", null);
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crawledHost.SetHint("ssh.login", null);
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crawledHost.SetHint("ssh.password", null);
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crawledHost.SetHint("ssh.version", null);
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return false;
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}
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}
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return true;
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}
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private static bool Scan(CrawledHost crawledHost)
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{
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foreach (IPv4 ip in crawledHost.IPAddresses)
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{
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foreach (int port in new int[] { 13022, 22 })
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{
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try
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{
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foreach (string password in defaultPasswords)
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{
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if (CanConnect(crawledHost, ip, port, "skytron", password, true))
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return true;
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}
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} catch (SocketException)
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{
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continue;
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}
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}
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}
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return false;
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}
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private static bool CanConnect(CrawledHost crawledHost, IPv4 host, int port, string username, string password,bool throwe = false)
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{
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using (TcpClient tcp = new TcpClient())
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{
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try
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{
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tcp.Connect(host.ToString(), port);
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if (!tcp.Connected)
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return false;
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tcp.Close();
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} catch (SocketException)
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{
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if (throwe)
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throw;
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return false;
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}
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}
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using (SshClient client = new SshClient(host.ToString(), port, username, password))
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{
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client.ConnectionInfo.Timeout = TimeSpan.FromSeconds(1);
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try
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{
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client.Connect();
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crawledHost.SetHint("ssh.port", client.ConnectionInfo.Port);
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crawledHost.SetHint("ssh.ip", host);
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crawledHost.SetHint("ssh.login", client.ConnectionInfo.Username);
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crawledHost.SetHint("ssh.password", password);
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crawledHost.SetHint("ssh.version", client.ConnectionInfo.ServerVersion);
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client.Disconnect();
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return true;
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}
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catch (SshException)
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{
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}
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catch (SocketException)
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{
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return false;
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}
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}
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return false;
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}
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}
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}
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