Limework/Minecraft-SSHD
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PHEW! A lot of the conversion to bungeecord is complete, there's only one more class to complete, but I suspect there will be quite a few bugs.

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This commit is contained in:
Zachery 2019-10-08 15:36:48 -05:00
parent 7618333bf3
commit 586910a75c
11 changed files with 191 additions and 51 deletions
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15
pom.xml
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@ -117,6 +117,21 @@
<version>1.10</version>
<scope>provided</scope>
</dependency>
<dependency>
<groupId>commons-lang</groupId>
<artifactId>commons-lang</artifactId>
<version>2.6</version>
</dependency>
<dependency>
<groupId>net.md-5</groupId>
<artifactId>bungeecord-bootstrap</artifactId>
<version>1.13-SNAPSHOT</version>
</dependency>
<dependency>
<groupId>org.projectlombok</groupId>
<artifactId>lombok</artifactId>
<version>1.18.4</version>
</dependency>
</dependencies>
<!-- Build -->

6
src/main/java/com/ryanmichela/sshd/ConfigPasswordAuthenticator.java
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@ -19,8 +19,8 @@ public class ConfigPasswordAuthenticator implements PasswordAuthenticator {
public boolean authenticate(String username, String password, ServerSession ss)
{
// Depending on our hash type, we have to try and figure out what we're doing.
String HashType = SshdPlugin.instance.getConfig().getString("PasswordType");
String ConfigHash = SshdPlugin.instance.getConfig().getString("Credentials." + username.trim());
String HashType = SshdPlugin.instance.configuration.getString("PasswordType");
String ConfigHash = SshdPlugin.instance.configuration.getString("Credentials." + username.trim());
if (ConfigHash == null)
SshdPlugin.instance.getLogger().warning("Config has no such user: " + username);
@ -70,7 +70,7 @@ public class ConfigPasswordAuthenticator implements PasswordAuthenticator {
}
SshdPlugin.instance.getLogger().info("Failed login for " + username + " using " + HashType + "-based password authentication.");
Integer tries = SshdPlugin.instance.getConfig().getInt("LoginRetries");
Integer tries = SshdPlugin.instance.configuration.getInt("LoginRetries");
try
{

12
src/main/java/com/ryanmichela/sshd/ConsoleCommandCompleter.java
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@ -5,15 +5,18 @@ package com.ryanmichela.sshd;
*/
import jline.console.completer.Completer;
import org.bukkit.Bukkit;
import org.bukkit.command.CommandMap;
import java.util.List;
import java.util.concurrent.ExecutionException;
import java.util.logging.Level;
public class ConsoleCommandCompleter implements Completer {
// This class *may* not be needed.
// If it is needed, the only class that uses it is ConsoleShellFactory on line 96
public class ConsoleCommandCompleter /*implements Completer*/ {
/*
public int complete(final String buffer, final int cursor, final List<CharSequence> candidates) {
Waitable<List<String>> waitable = new Waitable<List<String>>() {
@Override
@ -22,7 +25,7 @@ public class ConsoleCommandCompleter implements Completer {
return commandMap.tabComplete(Bukkit.getServer().getConsoleSender(), buffer);
}
};
Bukkit.getScheduler().runTask(SshdPlugin.instance, waitable);
SshdPlugin.instance.getProxy().getScheduler().runAsync(SshdPlugin.instance, waitable);
try {
List<String> offers = waitable.get();
if (offers == null) {
@ -43,5 +46,6 @@ public class ConsoleCommandCompleter implements Completer {
}
return cursor;
}
*/
}

13
src/main/java/com/ryanmichela/sshd/ConsoleCommandFactory.java
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@ -56,11 +56,18 @@ public class ConsoleCommandFactory implements CommandFactory {
SshdPlugin.instance.getLogger()
.info("[U: " + environment.getEnv().get(Environment.ENV_USER) + "] " + command);
SshdPlugin.instance.getProxy().getPluginManager().dispatchCommand(SshdPlugin.instance.getProxy().getConsoleSender().getInstance(), command);
SshdPlugin.instance.getProxy().getPluginManager().dispatchCommand(SshdPlugin.instance.getProxy().getConsole(), command);
// getConsoleSender() doesn't exist in bungee, and is replaced with getConsole() from my understanding.
//SshdPlugin.instance.getProxy().getPluginManager().dispatchCommand(SshdPlugin.instance.getProxy().getConsoleSender().getInstance(), command);
//Bukkit.dispatchCommand(Bukkit.getConsoleSender(), command);
} catch (Exception e) {
}
catch (Exception e)
{
SshdPlugin.instance.getLogger().severe("Error processing command from SSH -" + e.getMessage());
} finally {
}
finally
{
callback.onExit(0);
}
}

2
src/main/java/com/ryanmichela/sshd/ConsoleLogFormatter.java
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@ -4,7 +4,7 @@ package com.ryanmichela.sshd;
* Copyright 2013 Ryan Michela
*/
import org.bukkit.ChatColor;
import net.md_5.bungee.api.ChatColor;
import org.fusesource.jansi.Ansi;
import java.io.PrintWriter;

34
src/main/java/com/ryanmichela/sshd/ConsoleShellFactory.java
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@ -10,6 +10,7 @@ import com.ryanmichela.sshd.StreamHandlerAppender;
import com.ryanmichela.sshd.implementations.SSHDCommandSender;
import com.ryanmichela.sshd.ConsoleLogFormatter;
import jline.console.ConsoleReader;
import net.md_5.bungee.api.config.ServerInfo;
import org.apache.logging.log4j.LogManager;
import org.apache.logging.log4j.core.Logger;
import org.apache.sshd.common.Factory;
@ -18,7 +19,6 @@ import org.apache.sshd.server.command.Command;
import org.apache.sshd.server.channel.ChannelSession;
import org.apache.sshd.server.Environment;
import org.apache.sshd.server.ExitCallback;
import org.bukkit.Bukkit;
import java.io.File;
import java.io.FileNotFoundException;
@ -32,6 +32,8 @@ import java.util.StringTokenizer;
import java.util.logging.Level;
import java.util.logging.StreamHandler;
import static com.ryanmichela.sshd.SshdPlugin.instance;
public class ConsoleShellFactory implements ShellFactory {
public Command createShell(ChannelSession cs) {
@ -91,7 +93,7 @@ public class ConsoleShellFactory implements ShellFactory {
{
this.ConsoleReader = new ConsoleReader(in, new FlushyOutputStream(out), new SshTerminal());
this.ConsoleReader.setExpandEvents(true);
this.ConsoleReader.addCompleter(new ConsoleCommandCompleter());
//this.ConsoleReader.addCompleter(new ConsoleCommandCompleter());
StreamHandler streamHandler = new FlushyStreamHandler(out, new ConsoleLogFormatter(), this.ConsoleReader);
this.streamHandlerAppender = new StreamHandlerAppender(streamHandler);
@ -118,7 +120,7 @@ public class ConsoleShellFactory implements ShellFactory {
{
try
{
if (!SshdPlugin.instance.getConfig().getString("Mode").equals("RPC"))
if (!instance.configuration.getString("Mode").equals("RPC"))
printPreamble(this.ConsoleReader);
while (true)
{
@ -141,22 +143,22 @@ public class ConsoleShellFactory implements ShellFactory {
// Hide the mkpasswd command input from other users.
Boolean mkpasswd = command.split(" ")[0].equals("mkpasswd");
Bukkit.getScheduler().runTask(
SshdPlugin.instance, () ->
instance.getProxy().getScheduler().runAsync(
instance, () ->
{
if (SshdPlugin.instance.getConfig().getString("Mode").equals("RPC") && command.startsWith("rpc"))
if (instance.configuration.getString("Mode").equals("RPC") && command.startsWith("rpc"))
{
// NO ECHO NO PREAMBLE AND SHIT
String cmd = command.substring("rpc".length() + 1, command.length());
SshdPlugin.instance.getProxy().getPluginManager().dispatchCommand(this.SshdCommandSender, cmd);
instance.getProxy().getPluginManager().dispatchCommand(this.SshdCommandSender, cmd);
//Bukkit.dispatchCommand(this.SshdCommandSender, cmd);
}
else
{
if (!mkpasswd)
SshdPlugin.instance.getLogger().info("<" + this.Username + "> " + command);
instance.getLogger().info("<" + this.Username + "> " + command);
SshdPlugin.instance.getProxy().getPluginManager().dispatchCommand(SshdPlugin.instance.getProxy().getConsoleSender().getInstance(), command);
instance.getProxy().getPluginManager().dispatchCommand(instance.getProxy().getConsole(), command);
//Bukkit.dispatchCommand(Bukkit.getConsoleSender(), command);
}
});
@ -164,18 +166,18 @@ public class ConsoleShellFactory implements ShellFactory {
}
catch (IOException e)
{
SshdPlugin.instance.getLogger().log(Level.SEVERE, "Error processing command from SSH", e);
instance.getLogger().log(Level.SEVERE, "Error processing command from SSH", e);
}
finally
{
SshdPlugin.instance.getLogger().log(Level.INFO, this.Username + " disconnected from SSH.");
instance.getLogger().log(Level.INFO, this.Username + " disconnected from SSH.");
callback.onExit(0);
}
}
private void printPreamble(ConsoleReader cr) throws IOException
{
File f = new File(SshdPlugin.instance.getDataFolder(), "motd.txt");
File f = new File(instance.getDataFolder(), "motd.txt");
try
{
BufferedReader br = new BufferedReader(new FileReader(f));
@ -186,16 +188,18 @@ public class ConsoleShellFactory implements ShellFactory {
}
catch (FileNotFoundException e)
{
SshdPlugin.instance.getLogger().log(Level.WARNING, "Could not open " + f + ": File does not exist.");
instance.getLogger().log(Level.WARNING, "Could not open " + f + ": File does not exist.");
// Not showing the SSH motd is not a fatal failure, let the session continue.
}
// Doesn't really guarantee our actual system hostname but
// it's better than not having one at all.
cr.println("Connected to: " + InetAddress.getLocalHost().getHostName() + " (BungeeCord)\r");
cr.println(ConsoleLogFormatter.ColorizeString(DO SOMETHING HERE).replaceAll("\n", "\r\n"));
// Since BungeeCord is stupid, we have to parse the config file and the the MOTD from it that way...
// If you try to use the method getMotd() it returns that it can't be referenced from a non-static context, which is stupid.
cr.println(ConsoleLogFormatter.ColorizeString(instance.configuration.getString("motd")).replaceAll("\n", "\r\n"));
cr.println("\r");
cr.println("Type 'exit' to exit the shell." + "\r");
cr.println("Type 'exit' or press Ctrl+D exit the shell." + "\r");
cr.println("===============================================" + "\r");
}
}

64
src/main/java/com/ryanmichela/sshd/MkpasswdCommand.java
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@ -1,15 +1,67 @@
package com.ryanmichela.sshd;
import org.bukkit.command.CommandExecutor;
import org.bukkit.command.CommandSender;
import org.bukkit.command.Command;
import org.bukkit.entity.Player;
import java.util.Arrays;
import net.md_5.bungee.api.CommandSender;
import net.md_5.bungee.api.connection.ProxiedPlayer;
import net.md_5.bungee.api.plugin.Command;
import com.ryanmichela.sshd.Cryptography;
import com.ryanmichela.sshd.SshdPlugin;
public class MkpasswdCommand extends Command
{
public MkpasswdCommand()
{
super("mkpasswd");
}
@Override
public void execute(CommandSender sender, String[] args)
{
ProxiedPlayer player = (ProxiedPlayer) sender;
String algoritm, password;
algoritm = args[0];
password = String.join(" ", Arrays.copyOfRange(args, 1, args.length));
try
{
// Stupid bukkit, we have to concatenate the arguments together if they're using
// spaces in their passwords otherwise it won't be as strong as it should be.
}
catch (ArrayIndexOutOfBoundsException e)
{
// ignore it.
}
// If they're console, allow regardless.
try
{
if (player.hasPermission("sshd.mkpasswd"))
{
// Dumb but whatever. Some people are really dense.
if (algoritm.equalsIgnoreCase("PLAIN"))
sender.sendMessage(password);
else if (algoritm.equalsIgnoreCase("pbkdf2"))
sender.sendMessage(Cryptography.PBKDF2_HashPassword(password));
else if (algoritm.equalsIgnoreCase("bcrypt"))
sender.sendMessage(Cryptography.BCrypt_HashPassword(password));
else if (algoritm.equalsIgnoreCase("sha256"))
sender.sendMessage(Cryptography.SHA256_HashPassword(password));
}
}
catch (Exception e)
{
// since this is a player, send a failure message
sender.sendMessage("An error occured, please check console.");
e.printStackTrace();
}
}
}
/*
class MkpasswdCommand implements CommandExecutor
{
@Override
@ -96,4 +148,4 @@ class MkpasswdCommand implements CommandExecutor
}
return false;
}
}
}*/

4
src/main/java/com/ryanmichela/sshd/PublicKeyAuthenticator.java
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@ -1,5 +1,6 @@
package com.ryanmichela.sshd;
import net.md_5.bungee.config.Configuration;
import org.apache.commons.lang.ArrayUtils;
import org.apache.sshd.common.config.keys.AuthorizedKeyEntry;
import org.apache.sshd.common.config.keys.PublicKeyEntryResolver;
@ -20,14 +21,13 @@ public class PublicKeyAuthenticator implements PublickeyAuthenticator
{
private File authorizedKeysDir;
private Map<String, Integer> FailCounts = new HashMap<String, Integer>();
public PublicKeyAuthenticator(File authorizedKeysDir) { this.authorizedKeysDir = authorizedKeysDir; }
@Override public boolean authenticate(String username, PublicKey key, ServerSession session)
{
byte[] keyBytes = key.getEncoded();
File keyFile = new File(authorizedKeysDir, username);
Integer tries = SshdPlugin.instance.getConfig().getInt("LoginRetries");
Integer tries = SshdPlugin.instance.configuration.getInt("LoginRetries");
if (keyFile.exists())
{

51
src/main/java/com/ryanmichela/sshd/SshdPlugin.java
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@ -1,11 +1,15 @@
package com.ryanmichela.sshd;
import net.md_5.bungee.api.ProxyServer;
import net.md_5.bungee.config.Configuration;
import net.md_5.bungee.config.ConfigurationProvider;
import net.md_5.bungee.config.YamlConfiguration;
import org.apache.sshd.common.file.virtualfs.VirtualFileSystemFactory;
import org.apache.sshd.server.SshServer;
import org.apache.sshd.server.keyprovider.SimpleGeneratorHostKeyProvider;
import org.apache.sshd.server.subsystem.sftp.SftpSubsystemFactory;
import net.md_5.bungee.api.plugin.Plugin;
import net.md_5.bungee.config.Configuration;
import net.md_5.bungee.api.config.*;
import com.ryanmichela.sshd.ConsoleShellFactory;
import com.ryanmichela.sshd.MkpasswdCommand;
@ -25,10 +29,14 @@ public final class SshdPlugin extends Plugin
{
private SshServer sshd;
public static SshdPlugin instance;
private File file;
public Configuration configuration;
@Override public void onLoad()
{
saveDefaultConfig();
file = new File(ProxyServer.getInstance().getPluginsFolder()+ "/config.yml");
File authorizedKeys = new File(getDataFolder(), "authorized_keys");
if (!authorizedKeys.exists())
authorizedKeys.mkdirs();
@ -47,10 +55,32 @@ public final class SshdPlugin extends Plugin
e.printStackTrace();
}
try
{
if (!file.exists())
{
file.createNewFile();
}
configuration = ConfigurationProvider.getProvider(YamlConfiguration.class).load(file);
// more testing
configuration.set("test", "This configuration file works!");
ConfigurationProvider.getProvider(YamlConfiguration.class).save(configuration,file);
}
catch (IOException e)
{
e.printStackTrace();
}
// Don't go any lower than INFO or SSHD will cause a stack overflow exception.
// SSHD will log that it wrote bites to the output stream, which writes
// bytes to the output stream - ad nauseaum.
getLogger().setLevel(Level.INFO);
// config testing
String printout = configuration.getString("test");
getLogger().info(printout);
}
@Override public void onEnable()
@ -58,8 +88,8 @@ public final class SshdPlugin extends Plugin
instance = this;
sshd = SshServer.setUpDefaultServer();
sshd.setPort(getConfig().getInt("Port", 1025));
String host = getConfig().getString("ListenAddress", "all");
sshd.setPort(configuration.getInt("Port", 1025));
String host = configuration.getString("ListenAddress", "all");
sshd.setHost(host.equals("all") ? null : host);
File hostKey = new File(getDataFolder(), "hostkey");
@ -70,14 +100,15 @@ public final class SshdPlugin extends Plugin
sshd.setPasswordAuthenticator(new ConfigPasswordAuthenticator());
sshd.setPublickeyAuthenticator(new PublicKeyAuthenticator(authorizedKeys));
if (getConfig().getBoolean("EnableSFTP"))
if (configuration.getBoolean("EnableSFTP"))
{
sshd.setSubsystemFactories(Collections.singletonList(new SftpSubsystemFactory()));
sshd.setFileSystemFactory(
new VirtualFileSystemFactory(FileSystems.getDefault().getPath(getDataFolder().getAbsolutePath()).getParent().getParent()));
}
this.getCommand("mkpasswd").setExecutor(new MkpasswdCommand());
getProxy().getPluginManager().registerCommand(this, new MkpasswdCommand());
//this.getCommand("mkpasswd").setExecutor(new MkpasswdCommand());
sshd.setCommandFactory(new ConsoleCommandFactory());
try
@ -101,4 +132,12 @@ public final class SshdPlugin extends Plugin
// do nothing
}
}
public static SshdPlugin getInstance() {
return instance;
}
private static void setInstance(SshdPlugin instance) {
SshdPlugin.instance = instance;
}
}

15
src/main/java/com/ryanmichela/sshd/implementations/SSHDCommandSender.java
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@ -1,7 +1,9 @@
package com.ryanmichela.sshd.implementations;
import com.ryanmichela.sshd.SshdPlugin;
import net.md_5.bungee.command.ConsoleCommandSender;
import lombok.AccessLevel;
import lombok.NoArgsConstructor;
import net.md_5.bungee.api.chat.BaseComponent;
import net.md_5.bungee.api.CommandSender;
import net.md_5.bungee.api.ChatColor;
import net.md_5.bungee.api.ProxyServer;
@ -26,14 +28,15 @@ import com.ryanmichela.sshd.ConsoleShellFactory;
import java.io.IOException;
import java.util.Arrays;
import java.util.Set;
import java.util.Collection;
import java.util.Collections;
import java.util.logging.Level;
@NoArgsConstructor(access = AccessLevel.PRIVATE)
public final class SSHDConsoleCommandSender implements CommandSender
{
@Getter
private static final SSHDConsoleCommandSender instance = new SSHDConsoleCommandSender();
public final class SSHDCommandSender implements CommandSender {
private static final SSHDCommandSender instance = new SSHDCommandSender();
public ConsoleShellFactory.ConsoleShell console;
@Override
public void sendMessage(String message) {

16
src/main/java/com/ryanmichela/sshd/sshd1/SshdPlugin.java Normal file
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@ -0,0 +1,16 @@
package com.ryanmichela.sshd.sshd1;
import net.md_5.bungee.api.plugin.Plugin;
public final class SshdPlugin extends Plugin {
@Override
public void onEnable() {
// Plugin startup logic
}
@Override
public void onDisable() {
// Plugin shutdown logic
}
}