org.apache.sshd.common.util.buffer.Buffer Java Examples
The following examples show how to use
org.apache.sshd.common.util.buffer.Buffer.
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Example #1
Source File: ClientUserAuthServiceOld.java From termd with Apache License 2.0 | 6 votes |
@Override public void process(int cmd, Buffer buffer) throws Exception { if (this.authFuture.isSuccess()) { throw new IllegalStateException("UserAuth message delivered to authenticated client"); } else if (this.authFuture.isDone()) { log.debug("Ignoring random message"); // ignore for now; TODO: random packets } else if (cmd == SshConstants.SSH_MSG_USERAUTH_BANNER) { String welcome = buffer.getString(); String lang = buffer.getString(); log.debug("Welcome banner[{}]: {}", lang, welcome); UserInteraction ui = session.getUserInteraction(); if ((ui != null) && ui.isInteractionAllowed(session)) { ui.welcome(session, welcome, lang); } } else { buffer.rpos(buffer.rpos() - 1); processUserAuth(buffer); } }
Example #2
Source File: AsyncUserAuthService.java From aesh-readline with Apache License 2.0 | 6 votes |
private boolean asyncAuth(Buffer buffer, Exception e) { if (e instanceof AsyncAuth) { async = (AsyncAuth) e; async.setListener(authenticated -> { async = null; try { sendAuthenticationResult(buffer, authenticated); } catch (Exception e1) { // HANDLE THIS BETTER e1.printStackTrace(); } }); return true; } else { return false; } }
Example #3
Source File: NettyIoSession.java From aesh-readline with Apache License 2.0 | 6 votes |
@Override public IoWriteFuture write(Buffer buffer) { ByteBuf buf = Unpooled.buffer(buffer.available()); buf.writeBytes(buffer.array(), buffer.rpos(), buffer.available()); NettyIoWriteFuture msg = new NettyIoWriteFuture(); ChannelPromise next = context.newPromise(); prev.addListener(whatever -> { if (context != null) { context.writeAndFlush(buf, next); } }); prev = next; next.addListener(fut -> { if (fut.isSuccess()) { msg.setValue(Boolean.TRUE); } else { msg.setValue(fut.cause()); } }); return msg; }
Example #4
Source File: AsyncUserAuthService.java From termd with Apache License 2.0 | 6 votes |
private boolean asyncAuth(int cmd, Buffer buffer, Exception e) { if (e instanceof AsyncAuth) { async = (AsyncAuth) e; async.setListener(authenticated -> { async = null; try { if (authenticated) { handleAuthenticationSuccess(cmd, buffer); } else { handleAuthenticationFailure(cmd, buffer); } } catch (Exception e1) { // HANDLE THIS BETTER e1.printStackTrace(); } }); return true; } else { return false; } }
Example #5
Source File: NettyIoSession.java From termd with Apache License 2.0 | 6 votes |
@Override public IoWriteFuture write(Buffer buffer) { ByteBuf buf = Unpooled.buffer(buffer.available()); buf.writeBytes(buffer.array(), buffer.rpos(), buffer.available()); NettyIoWriteFuture msg = new NettyIoWriteFuture(); ChannelPromise next = context.newPromise(); prev.addListener(whatever -> { if (context != null) { context.writeAndFlush(buf, next); } }); prev = next; next.addListener(fut -> { if (fut.isSuccess()) { msg.setValue(Boolean.TRUE); } else { msg.setValue(fut.cause()); } }); return msg; }
Example #6
Source File: WindowAdjustTest.java From termd with Apache License 2.0 | 6 votes |
private void writeWithPendingDetection(final Buffer msg, final boolean wasPending) { try { asyncIn.write(msg).addListener(new SshFutureListener<IoWriteFuture>() { @SuppressWarnings("synthetic-access") @Override public void operationComplete(IoWriteFuture future) { if (future.isWritten()) { if (wasPending) { pending.remove(); } writePendingIfAny(); } else { Throwable t = future.getException(); log.warn("Failed to write message", t); } } }); } catch (final WritePendingException e) { if (!wasPending) { queueRequest(msg); } } }
Example #7
Source File: ClientUserAuthServiceOld.java From termd with Apache License 2.0 | 6 votes |
/** * execute one step in user authentication. * * @param buffer * @throws java.io.IOException */ private void processUserAuth(Buffer buffer) throws IOException { log.debug("processing {}", userAuth); Result result = userAuth.next(buffer); switch (result) { case Success: log.debug("succeeded with {}", userAuth); session.setAuthenticated(); session.switchToNextService(); // Will wake up anyone sitting in waitFor authFuture.setAuthed(true); break; case Failure: log.debug("failed with {}", userAuth); this.userAuth = null; // Will wake up anyone sitting in waitFor this.authFuture.setAuthed(false); break; case Continued: // Will wake up anyone sitting in waitFor log.debug("continuing with {}", userAuth); break; default: log.debug("ignored result={} for {}", result, userAuth); } }
Example #8
Source File: ClientUserAuthServiceOld.java From termd with Apache License 2.0 | 6 votes |
/** * execute one step in user authentication. * * @param buffer * @throws java.io.IOException */ private void processUserAuth(Buffer buffer) throws IOException { log.debug("processing {}", userAuth); Result result = userAuth.next(buffer); switch (result) { case Success: log.debug("succeeded with {}", userAuth); session.setAuthenticated(); session.switchToNextService(); // Will wake up anyone sitting in waitFor authFuture.setAuthed(true); break; case Failure: log.debug("failed with {}", userAuth); this.userAuth = null; // Will wake up anyone sitting in waitFor this.authFuture.setAuthed(false); break; case Continued: // Will wake up anyone sitting in waitFor log.debug("continuing with {}", userAuth); break; default: log.debug("ignored result={} for {}", result, userAuth); } }
Example #9
Source File: ClientUserAuthServiceOld.java From termd with Apache License 2.0 | 6 votes |
@Override public void process(int cmd, Buffer buffer) throws Exception { if (this.authFuture.isSuccess()) { throw new IllegalStateException("UserAuth message delivered to authenticated client"); } else if (this.authFuture.isDone()) { log.debug("Ignoring random message"); // ignore for now; TODO: random packets } else if (cmd == SshConstants.SSH_MSG_USERAUTH_BANNER) { String welcome = buffer.getString(); String lang = buffer.getString(); log.debug("Welcome banner[{}]: {}", lang, welcome); UserInteraction ui = session.getUserInteraction(); if ((ui != null) && ui.isInteractionAllowed(session)) { ui.welcome(session, welcome, lang); } } else { buffer.rpos(buffer.rpos() - 1); processUserAuth(buffer); } }
Example #10
Source File: WindowAdjustTest.java From termd with Apache License 2.0 | 6 votes |
private void writeWithPendingDetection(final Buffer msg, final boolean wasPending) { try { asyncIn.write(msg).addListener(new SshFutureListener<IoWriteFuture>() { @SuppressWarnings("synthetic-access") @Override public void operationComplete(IoWriteFuture future) { if (future.isWritten()) { if (wasPending) { pending.remove(); } writePendingIfAny(); } else { Throwable t = future.getException(); log.warn("Failed to write message", t); } } }); } catch (final WritePendingException e) { if (!wasPending) { queueRequest(msg); } } }
Example #11
Source File: AsyncUserAuthService.java From termd with Apache License 2.0 | 6 votes |
private boolean asyncAuth(final int cmd, final Buffer buffer, Exception e) { if (e instanceof AsyncAuth) { async = (AsyncAuth) e; async.setListener(new Consumer<Boolean>() { @Override public void accept(Boolean authenticated) { async = null; try { if (authenticated) { handleAuthenticationSuccess(cmd, buffer); } else { handleAuthenticationFailure(cmd, buffer); } } catch (Exception e1) { // HANDLE THIS BETTER e1.printStackTrace(); } } }); return true; } else { return false; } }
Example #12
Source File: UserAuthPassword.java From termd with Apache License 2.0 | 5 votes |
@Override public Result next(Buffer buffer) throws IOException { ClientSession session = getClientSession(); String service = getService(); if (buffer == null) { log.debug("Send SSH_MSG_USERAUTH_REQUEST for password"); buffer = session.createBuffer(SshConstants.SSH_MSG_USERAUTH_REQUEST); buffer.putString(session.getUsername()); buffer.putString(service); buffer.putString(UserAuthMethodFactory.PASSWORD); buffer.putBoolean(false); buffer.putString(password); session.writePacket(buffer); return Result.Continued; } else { int cmd = buffer.getUByte(); if (cmd == SshConstants.SSH_MSG_USERAUTH_SUCCESS) { log.debug("Received SSH_MSG_USERAUTH_SUCCESS"); return Result.Success; } if (cmd == SshConstants.SSH_MSG_USERAUTH_FAILURE) { String methods = buffer.getString(); boolean partial = buffer.getBoolean(); if (log.isDebugEnabled()) { log.debug("Received SSH_MSG_USERAUTH_FAILURE - partial={}, methods={}", partial, methods); } return Result.Failure; } else { if (log.isDebugEnabled()) { log.debug("Received unkown packet {}", Integer.valueOf(cmd & 0xFF)); } // TODO: check packets return Result.Continued; } } }
Example #13
Source File: AsyncUserAuthService.java From termd with Apache License 2.0 | 5 votes |
protected void handleAuthenticationInProgress(int cmd, Buffer buffer) throws Exception { String username = (currentAuth == null) ? null : currentAuth.getUsername(); if (log.isDebugEnabled()) { log.debug("handleAuthenticationInProgress({}@{}) {}", username, getServerSession(), SshConstants.getCommandMessageName(cmd)); } }
Example #14
Source File: UserAuthAgent.java From termd with Apache License 2.0 | 5 votes |
@Override public Result next(Buffer buffer) throws IOException { if (buffer == null) { if (keys.hasNext()) { sendNextKey(keys.next().getFirst()); return Result.Continued; } else { agent.close(); return Result.Failure; } } else { int cmd = buffer.getUByte(); if (cmd == SshConstants.SSH_MSG_USERAUTH_SUCCESS) { log.info("Received SSH_MSG_USERAUTH_SUCCESS"); agent.close(); return Result.Success; } if (cmd == SshConstants.SSH_MSG_USERAUTH_FAILURE) { String methods = buffer.getString(); boolean partial = buffer.getBoolean(); if (log.isDebugEnabled()) { log.debug("Received SSH_MSG_USERAUTH_FAILURE - partial={}, methods={}", partial, methods); } if (keys.hasNext()) { sendNextKey(keys.next().getFirst()); return Result.Continued; } else { agent.close(); return Result.Failure; } } else { // TODO: check packets log.info("Received unknown packet: {}", Integer.valueOf(cmd)); return Result.Continued; } } }
Example #15
Source File: WindowAdjustTest.java From termd with Apache License 2.0 | 5 votes |
public synchronized void write(final Object msg) { if ((asyncIn != null) && (!asyncIn.isClosed()) && (!asyncIn.isClosing())) { final Buffer byteBufferMsg = (Buffer) msg; if (!pending.isEmpty()) { queueRequest(byteBufferMsg); return; } writeWithPendingDetection(byteBufferMsg, false); } }
Example #16
Source File: AsyncUserAuthService.java From termd with Apache License 2.0 | 5 votes |
protected void handleAuthenticationFailure(int cmd, Buffer buffer) throws Exception { String username = (currentAuth == null) ? null : currentAuth.getUsername(); ServerSession session = getServerSession(); if (log.isDebugEnabled()) { log.debug("handleAuthenticationFailure({}@{}) {}", username, session, SshConstants.getCommandMessageName(cmd)); } StringBuilder sb = new StringBuilder((authMethods.size() + 1) * Byte.SIZE); for (List<String> l : authMethods) { if (GenericUtils.size(l) > 0) { String m = l.get(0); if (!UserAuthNoneFactory.NAME.equals(m)) { if (sb.length() > 0) { sb.append(","); } sb.append(m); } } } String remaining = sb.toString(); if (log.isDebugEnabled()) { log.debug("handleAuthenticationFailure({}@{}) remaining methods: {}", username, session, remaining); } buffer = session.createBuffer(SshConstants.SSH_MSG_USERAUTH_FAILURE, remaining.length() + Byte.SIZE); buffer.putString(remaining); buffer.putBoolean(false); // no partial success ... session.writePacket(buffer); if (currentAuth != null) { try { currentAuth.destroy(); } finally { currentAuth = null; } } }
Example #17
Source File: AsyncUserAuthService.java From termd with Apache License 2.0 | 5 votes |
protected void handleAuthenticationInProgress(int cmd, Buffer buffer) throws Exception { String username = (currentAuth == null) ? null : currentAuth.getUsername(); if (log.isDebugEnabled()) { log.debug("handleAuthenticationInProgress({}@{}) {}", username, getServerSession(), SshConstants.getCommandMessageName(cmd)); } }
Example #18
Source File: WindowAdjustTest.java From termd with Apache License 2.0 | 5 votes |
private synchronized void writePendingIfAny() { if (pending.peek() == null) { return; } final Buffer msg = pending.peek(); writeWithPendingDetection(msg, true); }
Example #19
Source File: WindowAdjustTest.java From termd with Apache License 2.0 | 5 votes |
private synchronized void writePendingIfAny() { if (pending.peek() == null) { return; } final Buffer msg = pending.peek(); writeWithPendingDetection(msg, true); }
Example #20
Source File: WindowAdjustTest.java From termd with Apache License 2.0 | 5 votes |
public synchronized void write(final Object msg) { if ((asyncIn != null) && (!asyncIn.isClosed()) && (!asyncIn.isClosing())) { final Buffer byteBufferMsg = (Buffer) msg; if (!pending.isEmpty()) { queueRequest(byteBufferMsg); return; } writeWithPendingDetection(byteBufferMsg, false); } }
Example #21
Source File: UserAuthPassword.java From termd with Apache License 2.0 | 5 votes |
@Override public Result next(Buffer buffer) throws IOException { ClientSession session = getClientSession(); String service = getService(); if (buffer == null) { log.debug("Send SSH_MSG_USERAUTH_REQUEST for password"); buffer = session.createBuffer(SshConstants.SSH_MSG_USERAUTH_REQUEST); buffer.putString(session.getUsername()); buffer.putString(service); buffer.putString(UserAuthMethodFactory.PASSWORD); buffer.putBoolean(false); buffer.putString(password); session.writePacket(buffer); return Result.Continued; } else { int cmd = buffer.getUByte(); if (cmd == SshConstants.SSH_MSG_USERAUTH_SUCCESS) { log.debug("Received SSH_MSG_USERAUTH_SUCCESS"); return Result.Success; } if (cmd == SshConstants.SSH_MSG_USERAUTH_FAILURE) { String methods = buffer.getString(); boolean partial = buffer.getBoolean(); if (log.isDebugEnabled()) { log.debug("Received SSH_MSG_USERAUTH_FAILURE - partial={}, methods={}", partial, methods); } return Result.Failure; } else { if (log.isDebugEnabled()) { log.debug("Received unkown packet {}", Integer.valueOf(cmd & 0xFF)); } // TODO: check packets return Result.Continued; } } }
Example #22
Source File: UserAuthAgent.java From termd with Apache License 2.0 | 5 votes |
@Override public Result next(Buffer buffer) throws IOException { if (buffer == null) { if (keys.hasNext()) { sendNextKey(keys.next().getFirst()); return Result.Continued; } else { agent.close(); return Result.Failure; } } else { int cmd = buffer.getUByte(); if (cmd == SshConstants.SSH_MSG_USERAUTH_SUCCESS) { log.info("Received SSH_MSG_USERAUTH_SUCCESS"); agent.close(); return Result.Success; } if (cmd == SshConstants.SSH_MSG_USERAUTH_FAILURE) { String methods = buffer.getString(); boolean partial = buffer.getBoolean(); if (log.isDebugEnabled()) { log.debug("Received SSH_MSG_USERAUTH_FAILURE - partial={}, methods={}", partial, methods); } if (keys.hasNext()) { sendNextKey(keys.next().getFirst()); return Result.Continued; } else { agent.close(); return Result.Failure; } } else { // TODO: check packets log.info("Received unknown packet: {}", Integer.valueOf(cmd)); return Result.Continued; } } }
Example #23
Source File: AsyncUserAuthService.java From termd with Apache License 2.0 | 5 votes |
protected void handleAuthenticationFailure(int cmd, Buffer buffer) throws Exception { String username = (currentAuth == null) ? null : currentAuth.getUsername(); ServerSession session = getServerSession(); if (log.isDebugEnabled()) { log.debug("handleAuthenticationFailure({}@{}) {}", username, session, SshConstants.getCommandMessageName(cmd)); } StringBuilder sb = new StringBuilder((authMethods.size() + 1) * Byte.SIZE); for (List<String> l : authMethods) { if (GenericUtils.size(l) > 0) { String m = l.get(0); if (!UserAuthNoneFactory.NAME.equals(m)) { if (sb.length() > 0) { sb.append(","); } sb.append(m); } } } String remaining = sb.toString(); if (log.isDebugEnabled()) { log.debug("handleAuthenticationFailure({}@{}) remaining methods: {}", username, session, remaining); } buffer = session.createBuffer(SshConstants.SSH_MSG_USERAUTH_FAILURE, remaining.length() + Byte.SIZE); buffer.putString(remaining); buffer.putBoolean(false); // no partial success ... session.writePacket(buffer); if (currentAuth != null) { try { currentAuth.destroy(); } finally { currentAuth = null; } } }
Example #24
Source File: UserAuthKeyboardInteractive.java From termd with Apache License 2.0 | 4 votes |
@Override public Result next(Buffer buffer) throws IOException { ClientSession session = getClientSession(); String service = getService(); if (buffer == null) { log.debug("Send SSH_MSG_USERAUTH_REQUEST for password"); buffer = session.createBuffer(SshConstants.SSH_MSG_USERAUTH_REQUEST); buffer.putString(session.getUsername()); buffer.putString(service); buffer.putString("keyboard-interactive"); buffer.putString(""); buffer.putString(""); session.writePacket(buffer); return Result.Continued; } else { int cmd = buffer.getUByte(); switch (cmd) { case SshConstants.SSH_MSG_USERAUTH_INFO_REQUEST: { String name = buffer.getString(); String instruction = buffer.getString(); String language_tag = buffer.getString(); if (log.isDebugEnabled()) { log.debug("next({}) Received SSH_MSG_USERAUTH_INFO_REQUEST - name={}, instruction={}, lang={}", session, name, instruction, language_tag); } int num = buffer.getInt(); String[] prompt = new String[num]; boolean[] echo = new boolean[num]; for (int i = 0; i < num; i++) { prompt[i] = buffer.getString(); echo[i] = buffer.getBoolean(); } log.debug("Promt: {}", Arrays.toString(prompt)); log.debug("Echo: {}", echo); String[] rep = null; if (num == 0) { rep = new String[0]; } else if (num == 1 && password != null && !echo[0] && prompt[0].toLowerCase().startsWith("password:")) { rep = new String[]{password}; } else { UserInteraction ui = session.getUserInteraction(); if ((ui != null) && ui.isInteractionAllowed(session)) { rep = ui.interactive(session, name, instruction, language_tag, prompt, echo); } } if (rep == null) { return Result.Failure; } buffer = session.createBuffer(SshConstants.SSH_MSG_USERAUTH_INFO_RESPONSE); buffer.putInt(rep.length); for (String r : rep) { buffer.putString(r); } session.writePacket(buffer); return Result.Continued; } case SshConstants.SSH_MSG_USERAUTH_SUCCESS: log.debug("Received SSH_MSG_USERAUTH_SUCCESS"); return Result.Success; case SshConstants.SSH_MSG_USERAUTH_FAILURE: { String methods = buffer.getString(); boolean partial = buffer.getBoolean(); if (log.isDebugEnabled()) { log.debug("Received SSH_MSG_USERAUTH_FAILURE - partial={}, methods={}", partial, methods); } return Result.Failure; } default: log.debug("Received unknown packet {}", Integer.valueOf(cmd)); return Result.Continued; } } }
Example #25
Source File: MockClientSession.java From xenon with Apache License 2.0 | 4 votes |
@Override public void startService(String name, Buffer buffer) throws Exception { // TODO Auto-generated method stub }
Example #26
Source File: MockClientSession.java From xenon with Apache License 2.0 | 4 votes |
@Override public IoWriteFuture writePacket(Buffer buffer, long timeout, TimeUnit unit) throws IOException { throw new RuntimeException("Not implemented"); }
Example #27
Source File: MockClientSession.java From xenon with Apache License 2.0 | 4 votes |
@Override public IoWriteFuture writePacket(Buffer buffer) throws IOException { throw new RuntimeException("Not implemented"); }
Example #28
Source File: MockClientSession.java From xenon with Apache License 2.0 | 4 votes |
@Override public Buffer prepareBuffer(byte cmd, Buffer buffer) { throw new RuntimeException("Not implemented"); }
Example #29
Source File: MockClientSession.java From xenon with Apache License 2.0 | 4 votes |
@Override public Buffer createBuffer(byte cmd, int estimatedSize) { throw new RuntimeException("Not implemented"); }
Example #30
Source File: MockClientSession.java From xenon with Apache License 2.0 | 4 votes |
@Override public Buffer createBuffer(byte cmd) { throw new RuntimeException("Not implemented"); }