diff options
5 files changed, 55 insertions, 96 deletions
diff --git a/src/main/java/de/bwlehrpool/bwlp_guac/AvailableClient.java b/src/main/java/de/bwlehrpool/bwlp_guac/AvailableClient.java index aba868f..5371547 100644 --- a/src/main/java/de/bwlehrpool/bwlp_guac/AvailableClient.java +++ b/src/main/java/de/bwlehrpool/bwlp_guac/AvailableClient.java @@ -64,7 +64,9 @@ public class AvailableClient implements Cloneable { LOGGER.info("Free client blocked by a disconnected user detected."); LOGGER.info("Client " + this + " is available again"); this.inUseBy = null; - if (this.connection != null) this.connection.invalidate(); + if (this.connection != null) { + this.connection.invalidate(); + } } if (this.password == null || !this.password.equals(source.password)) { @@ -211,13 +213,13 @@ public class AvailableClient implements Cloneable { } if (username == null) { username = ""; + } else { + LOGGER.info("Logging in user " + username + " on client " + this); } if (password == null) { password = ""; } try { - LOGGER.info("Logging in user " + username + " on client " + this); - Socket socket = new Socket(); // TODO Port? socket.connect(new InetSocketAddress(this.clientip, 7551), 1100); socket.setSoTimeout(1000); diff --git a/src/main/java/de/bwlehrpool/bwlp_guac/BwlpAuthenticationProvider.java b/src/main/java/de/bwlehrpool/bwlp_guac/BwlpAuthenticationProvider.java index 81434f4..524ce8d 100644 --- a/src/main/java/de/bwlehrpool/bwlp_guac/BwlpAuthenticationProvider.java +++ b/src/main/java/de/bwlehrpool/bwlp_guac/BwlpAuthenticationProvider.java @@ -58,13 +58,7 @@ public class BwlpAuthenticationProvider implements AuthenticationProvider { public UserContext redecorate(UserContext decorated, UserContext context, AuthenticatedUser authenticatedUser, Credentials credentials) throws GuacamoleException { - Credentials creds = authenticatedUser.getCredentials(); - if (creds == null) - return context; - String username = creds.getUsername(); - if (username == null) { - username = authenticatedUser.getIdentifier(); - } + String username = Util.getUsername(authenticatedUser); if (username == null) { LOGGER.warn("redecorate: Ignoring user without name"); return context; diff --git a/src/main/java/de/bwlehrpool/bwlp_guac/BwlpUserContext.java b/src/main/java/de/bwlehrpool/bwlp_guac/BwlpUserContext.java index 93fda8d..a0531d0 100644 --- a/src/main/java/de/bwlehrpool/bwlp_guac/BwlpUserContext.java +++ b/src/main/java/de/bwlehrpool/bwlp_guac/BwlpUserContext.java @@ -45,12 +45,7 @@ public class BwlpUserContext extends AbstractUserContext { throws GuacamoleCredentialsException { authUser = authenticatedUser; originalContext = context; - Credentials cred = authenticatedUser.getCredentials(); - if (cred != null && cred.getUsername() != null) { - username = cred.getUsername(); - } else { - username = authenticatedUser.getIdentifier(); - } + username = Util.getUsername(authenticatedUser); this.groupid = groupid; this.resolution = resolution; // OK @@ -60,12 +55,7 @@ public class BwlpUserContext extends AbstractUserContext { public BwlpUserContext(AuthenticatedUser authenticatedUser, UserContext context, WrappedConnection exConn) { authUser = authenticatedUser; originalContext = context; - Credentials cred = authenticatedUser.getCredentials(); - if (cred != null && cred.getUsername() != null) { - username = cred.getUsername(); - } else { - username = authenticatedUser.getIdentifier(); - } + username = Util.getUsername(authenticatedUser); this.groupid = -1; this.resolution = ""; connectionDirectory = new SimpleDirectory<Connection>(exConn); diff --git a/src/main/java/de/bwlehrpool/bwlp_guac/TunnelListener.java b/src/main/java/de/bwlehrpool/bwlp_guac/TunnelListener.java index 265bfc7..ed3aaa3 100644 --- a/src/main/java/de/bwlehrpool/bwlp_guac/TunnelListener.java +++ b/src/main/java/de/bwlehrpool/bwlp_guac/TunnelListener.java @@ -14,39 +14,48 @@ import java.util.HashMap; */ public class TunnelListener implements Listener { - private static final Logger LOGGER = LoggerFactory.getLogger(TunnelListener.class); - - private static final HashMap<String, Integer> userTunnelCount = new HashMap<String, Integer>(); - - public static boolean hasTunnel(String username) { - return userTunnelCount.get(username) != null; - } - - @Override - public void handleEvent(Object event) throws GuacamoleException { - if (event instanceof TunnelConnectEvent) { - String username = ((TunnelConnectEvent)event).getCredentials().getUsername(); - LOGGER.info("User " + username + " connected to a tunnel."); - - Integer count = userTunnelCount.get(username); - if (count == null) count = 1; - else count++; - userTunnelCount.put(username, count); - - LOGGER.info("Tunnel count: " + count); - } - else if (event instanceof TunnelCloseEvent) { - String username = ((TunnelCloseEvent)event).getCredentials().getUsername(); - LOGGER.info("User " + username + " closed a tunnel."); - - Integer count = userTunnelCount.get(username); - if (count != null) { - if (count > 1) userTunnelCount.put(username, count - 1); - else userTunnelCount.remove(username); - LOGGER.info("Tunnel count: " + (count - 1)); - } - } - - } - + private static final Logger LOGGER = LoggerFactory.getLogger(TunnelListener.class); + + private static final HashMap<String, Integer> userTunnelCount = new HashMap<String, Integer>(); + + public static boolean hasTunnel(String username) { + synchronized (userTunnelCount) { + return userTunnelCount.get(username) != null; + } + } + + @Override + public void handleEvent(Object event) throws GuacamoleException { + Integer count; + if (event instanceof TunnelConnectEvent) { + String username = Util.getUsername((TunnelConnectEvent)event); + synchronized (userTunnelCount) { + count = userTunnelCount.get(username); + if (count == null) { + count = 1; + } else { + count++; + } + userTunnelCount.put(username, count); + } + LOGGER.info("User " + username + " connected to a tunnel, count: " + count); + } else if (event instanceof TunnelCloseEvent) { + String username = Util.getUsername((TunnelCloseEvent)event); + synchronized (userTunnelCount) { + count = userTunnelCount.get(username); + if (count != null) { + if (count > 1) { + userTunnelCount.put(username, count - 1); + } else { + userTunnelCount.remove(username); + } + } else { + count = 0; + } + } + LOGGER.info("User " + username + " closed a tunnel, count: " + count); + } + + } + } diff --git a/src/main/java/de/bwlehrpool/bwlp_guac/VncConnection.java b/src/main/java/de/bwlehrpool/bwlp_guac/VncConnection.java index 0afafd0..d1ac1ad 100644 --- a/src/main/java/de/bwlehrpool/bwlp_guac/VncConnection.java +++ b/src/main/java/de/bwlehrpool/bwlp_guac/VncConnection.java @@ -7,16 +7,8 @@ import java.io.IOException; import java.net.InetSocketAddress; import java.net.Socket; import java.nio.charset.StandardCharsets; -import java.security.InvalidKeyException; -import java.security.NoSuchAlgorithmException; import java.util.Arrays; -import javax.crypto.BadPaddingException; -import javax.crypto.Cipher; -import javax.crypto.IllegalBlockSizeException; -import javax.crypto.NoSuchPaddingException; -import javax.crypto.spec.SecretKeySpec; - import org.slf4j.Logger; import org.slf4j.LoggerFactory; @@ -82,16 +74,7 @@ public class VncConnection implements Closeable { byte[] pw_bytes = passwd.getBytes(); pw_bytes = Arrays.copyOf(pw_bytes, 8); // Encrypt - Cipher des; - try { - des = Cipher.getInstance("DES/ECB/NoPadding"); - des.init(Cipher.ENCRYPT_MODE, new SecretKeySpec(reverseBits(pw_bytes), 0, pw_bytes.length, "DES")); - out.write(des.doFinal(challenge)); - } catch (InvalidKeyException | NoSuchAlgorithmException | NoSuchPaddingException | IllegalBlockSizeException - | BadPaddingException e) { - // TODO Auto-generated catch block - e.printStackTrace(); - } + out.write(WeakCrypto.vncEncrypt(pw_bytes, challenge)); // check reply int securityReply = in.readInt(); if (securityReply != 0) { @@ -108,7 +91,8 @@ public class VncConnection implements Closeable { in.readFully(msg); LOGGER.info(new String(msg, StandardCharsets.ISO_8859_1)); } catch (IOException e) { - // Nothing, we're already kinda handling an error, so if we can't fetch the message, ignore + // Nothing, we're already kinda handling an error, so if we can't fetch the + // message, ignore } } @@ -128,24 +112,4 @@ public class VncConnection implements Closeable { } } - /* - * - */ - - private byte[] reverseBits(byte[] b) { - byte[] result = new byte[b.length]; - for (int i = 0; i < b.length; i++) { - result[i] = reverseBits(b[i]); - } - return result; - } - - private byte reverseBits(byte input) { - byte result = 0x00; - for (int i = 0; i < 8; i++) { - result |= ((byte) ((input & (0x01 << i)) >>> i) << 7 - i); - } - return result; - } - } |