public int execute(
List<String> args, InputStream stdin, OutputStream stdout, OutputStream stderr) {
return entryPoint.main(
args,
Locale.getDefault(),
new RemoteInputStream(stdin),
new RemoteOutputStream(stdout),
new RemoteOutputStream(stderr));
}
public CLI(URL jenkins, ExecutorService exec) throws IOException, InterruptedException {
String url = jenkins.toExternalForm();
if (!url.endsWith("/")) url += '/';
ownsPool = exec == null;
pool = exec != null ? exec : Executors.newCachedThreadPool();
int clip = getCliTcpPort(url);
if (clip >= 0) {
// connect via CLI port
String host = new URL(url).getHost();
LOGGER.fine("Trying to connect directly via TCP/IP to port " + clip + " of " + host);
Socket s = new Socket(host, clip);
DataOutputStream dos = new DataOutputStream(s.getOutputStream());
dos.writeUTF("Protocol:CLI-connect");
channel =
new Channel(
"CLI connection to " + jenkins,
pool,
new BufferedInputStream(new SocketInputStream(s)),
new BufferedOutputStream(new SocketOutputStream(s)));
} else {
// connect via HTTP
LOGGER.fine("Trying to connect to " + url + " via HTTP");
url += "cli";
jenkins = new URL(url);
FullDuplexHttpStream con = new FullDuplexHttpStream(jenkins);
channel =
new Channel(
"Chunked connection to " + jenkins,
pool,
con.getInputStream(),
con.getOutputStream());
new PingThread(channel, 30 * 1000) {
protected void onDead() {
// noop. the point of ping is to keep the connection alive
// as most HTTP servers have a rather short read time out
}
}.start();
}
// execute the command
entryPoint = (CliEntryPoint) channel.waitForRemoteProperty(CliEntryPoint.class.getName());
if (entryPoint.protocolVersion() != CliEntryPoint.VERSION)
throw new IOException(Messages.CLI_VersionMismatch());
}
/**
* Authenticate ourselves against the server.
*
* @return identity of the server represented as a public key.
*/
public PublicKey authenticate(Iterable<KeyPair> privateKeys)
throws IOException, GeneralSecurityException {
Pipe c2s = Pipe.createLocalToRemote();
Pipe s2c = Pipe.createRemoteToLocal();
entryPoint.authenticate("ssh", c2s, s2c);
Connection c = new Connection(s2c.getIn(), c2s.getOut());
try {
byte[] sharedSecret = c.diffieHellman(false).generateSecret();
PublicKey serverIdentity = c.verifyIdentity(sharedSecret);
// try all the public keys
for (KeyPair key : privateKeys) {
c.proveIdentity(sharedSecret, key);
if (c.readBoolean()) return serverIdentity; // succeeded
}
if (privateKeys.iterator().hasNext())
throw new GeneralSecurityException("Authentication failed. No private key accepted.");
else
throw new GeneralSecurityException("No private key is available for use in authentication");
} finally {
c.close();
}
}
/** Returns true if the named command exists. */
public boolean hasCommand(String name) {
return entryPoint.hasCommand(name);
}
