public Boolean auth(ServerSession session, String username, Buffer buffer) throws Exception {
boolean newPassword = buffer.getBoolean();
if (newPassword) {
throw new IllegalStateException("Password changes are not supported");
}
String password = buffer.getString();
return checkPassword(session, username, password);
}
protected void sendInitialServiceRequest() throws IOException {
if (initialServiceRequestSent) {
return;
}
initialServiceRequestSent = true;
log.debug("Send SSH_MSG_SERVICE_REQUEST for {}", currentServiceFactory.getName());
Buffer request = createBuffer(SshConstants.SSH_MSG_SERVICE_REQUEST);
request.putString(currentServiceFactory.getName());
writePacket(request);
// Assuming that MINA-SSHD only implements "explicit server authentication" it is permissible
// for the client's service to start sending data before the service-accept has been received.
// If "implicit authentication" were to ever be supported, then this would need to be
// called after service-accept comes back. See SSH-TRANSPORT.
currentService.start();
}
public static void main(String[] args)
throws GeneralSecurityException, JSchException, IOException {
SimpleGeneratorHostKeyProvider p;
if (args.length != 1) {
System.err.println("Error: requires path to the SSH host key");
return;
} else {
File file = new File(args[0]);
if (!file.exists() || !file.isFile() || !file.canRead()) {
System.err.println("Error: ssh key should exist and be readable");
return;
}
}
p = new SimpleGeneratorHostKeyProvider();
// Gerrit's SSH "simple" keys are always RSA.
p.setPath(args[0]);
p.setAlgorithm("RSA");
Iterable<KeyPair> keys = p.loadKeys(); // forces the key to generate.
for (KeyPair k : keys) {
System.out.println("Public Key (" + k.getPublic().getAlgorithm() + "):");
// From Gerrit's SshDaemon class; use JSch to get the public
// key/type
final Buffer buf = new Buffer();
buf.putRawPublicKey(k.getPublic());
final byte[] keyBin = buf.getCompactData();
HostKey pub = new HostKey("localhost", keyBin);
System.out.println(pub.getType() + " " + pub.getKey());
System.out.println("Private Key:");
// Use Bouncy Castle to write the private key back in PEM format
// (PKCS#1)
// http://stackoverflow.com/questions/25129822/export-rsa-public-key-to-pem-string-using-java
StringWriter privout = new StringWriter();
JcaPEMWriter privWriter = new JcaPEMWriter(privout);
privWriter.writeObject(k.getPrivate());
privWriter.close();
System.out.println(privout);
}
}
protected void doOpen() throws Exception {
super.doOpen();
Buffer buffer;
if (agentForwarding) {
log.info("Send agent forwarding request");
buffer = session.createBuffer(SshConstants.Message.SSH_MSG_CHANNEL_REQUEST, 0);
buffer.putInt(recipient);
buffer.putString("*****@*****.**");
buffer.putBoolean(false);
session.writePacket(buffer);
}
if (usePty) {
log.info("Send SSH_MSG_CHANNEL_REQUEST pty-req");
buffer = session.createBuffer(SshConstants.Message.SSH_MSG_CHANNEL_REQUEST, 0);
buffer.putInt(recipient);
buffer.putString("pty-req");
buffer.putBoolean(false);
buffer.putString(ptyType);
buffer.putInt(ptyColumns);
buffer.putInt(ptyLines);
buffer.putInt(ptyHeight);
buffer.putInt(ptyWidth);
Buffer modes = new Buffer();
for (PtyMode mode : ptyModes.keySet()) {
modes.putByte((byte) mode.toInt());
modes.putInt(ptyModes.get(mode));
}
modes.putByte((byte) 0);
buffer.putBytes(modes.getCompactData());
session.writePacket(buffer);
}
if (!env.isEmpty()) {
log.info("Send SSH_MSG_CHANNEL_REQUEST env");
for (Map.Entry<String, String> entry : env.entrySet()) {
buffer = session.createBuffer(SshConstants.Message.SSH_MSG_CHANNEL_REQUEST, 0);
buffer.putInt(recipient);
buffer.putString("env");
buffer.putBoolean(false);
buffer.putString(entry.getKey());
buffer.putString(entry.getValue());
session.writePacket(buffer);
}
}
log.info("Send SSH_MSG_CHANNEL_REQUEST shell");
buffer = session.createBuffer(SshConstants.Message.SSH_MSG_CHANNEL_REQUEST, 0);
buffer.putInt(recipient);
buffer.putString("shell");
buffer.putBoolean(false);
session.writePacket(buffer);
}
protected void reply(Buffer buf) throws IOException {
int result = Socket.send(socket, buf.array(), buf.rpos(), buf.available());
if (result < Status.APR_SUCCESS) {
throwException(result);
}
}
public void putBuffer(Buffer buffer) {
int r = buffer.available();
ensureCapacity(r);
System.arraycopy(buffer.data, buffer.rpos, data, wpos, r);
wpos += r;
}
