public static Authorization getAuthorization(String subject) {
if (subject == null) {
return HostAuthorization.getInstance();
} else {
return new IdentityAuthorization(subject);
}
}
public void authenticate(AuthenticationProtocolClient authenticationprotocolclient, String s)
throws IOException, TerminatedStateException {
try {
logger.finest("Registering gss-ssh return messages.");
authenticationprotocolclient.registerMessage(
com.sshtools.j2ssh.authentication.SshMsgUserauthGssapiResponse.class, 60);
authenticationprotocolclient.registerMessage(
com.sshtools.j2ssh.authentication.SshMsgUserauthGssapiToken.class, 61);
authenticationprotocolclient.registerMessage(
com.sshtools.j2ssh.authentication.SshMsgUserauthGssapiError.class, 64);
authenticationprotocolclient.registerMessage(
com.sshtools.j2ssh.authentication.SshMsgUserauthGssapiErrtok.class, 65);
logger.finest("Sending gssapi user auth request.");
ByteArrayWriter bytearraywriter = new ByteArrayWriter();
bytearraywriter.writeUINT32(new UnsignedInteger32(1L));
byte abyte0[] = GSSConstants.MECH_OID.getDER();
bytearraywriter.writeBinaryString(abyte0);
logger.finest("Username:"******"gssapi", bytearraywriter.toByteArray());
authenticationprotocolclient.sendMessage(sshmsguserauthrequest);
logger.finest("Receiving user auth response:");
SshMsgUserauthGssapiResponse sshmsguserauthgssapiresponse =
(SshMsgUserauthGssapiResponse) authenticationprotocolclient.readMessage(60);
ByteArrayReader bytearrayreader =
new ByteArrayReader(sshmsguserauthgssapiresponse.getRequestData());
byte abyte1[] = bytearrayreader.readBinaryString();
if (logger.isLoggable(Level.FINEST)) {
logger.log(Level.FINEST, "Mechanism requested: " + GSSConstants.MECH_OID);
logger.log(Level.FINEST, "Mechanism selected: " + new Oid(abyte1));
logger.log(Level.FINEST, "Verify that selected mechanism is GSSAPI.");
}
if (!GSSConstants.MECH_OID.equals(new Oid(abyte1))) {
logger.warning("Mechanism do not match!");
throw new IOException("Mechanism do not match!");
}
logger.finest("Creating GSS context base on grid credentials.");
GlobusGSSManagerImpl globusgssmanagerimpl = new GlobusGSSManagerImpl();
HostAuthorization gssAuth = new HostAuthorization(null);
GSSName targetName = gssAuth.getExpectedName(null, hostname);
GSSContext gsscontext =
globusgssmanagerimpl.createContext(
targetName, new Oid(abyte1), gsscredential, GSSCredential.INDEFINITE_LIFETIME - 1);
gsscontext.requestCredDeleg(true);
gsscontext.requestMutualAuth(true);
gsscontext.requestReplayDet(true);
gsscontext.requestSequenceDet(true);
// MOD
// gsscontext.requestConf(false);
gsscontext.requestConf(true);
Object type = GSIConstants.DELEGATION_TYPE_LIMITED;
gsscontext.requestCredDeleg(false);
((ExtendedGSSContext) gsscontext).setOption(GSSConstants.DELEGATION_TYPE, type);
logger.finest("Starting GSS token exchange.");
byte abyte2[] = new byte[0];
do {
if (gsscontext.isEstablished()) break;
byte abyte3[] = gsscontext.initSecContext(abyte2, 0, abyte2.length);
if (abyte3 != null) {
ByteArrayWriter bytearraywriter1 = new ByteArrayWriter();
bytearraywriter1.writeBinaryString(abyte3);
SshMsgUserauthGssapiToken sshmsguserauthgssapitoken =
new SshMsgUserauthGssapiToken(bytearraywriter1.toByteArray());
authenticationprotocolclient.sendMessage(sshmsguserauthgssapitoken);
}
if (!gsscontext.isEstablished()) {
SshMsgUserauthGssapiToken sshmsguserauthgssapitoken1 =
(SshMsgUserauthGssapiToken) authenticationprotocolclient.readMessage(61);
ByteArrayReader bytearrayreader1 =
new ByteArrayReader(sshmsguserauthgssapitoken1.getRequestData());
abyte2 = bytearrayreader1.readBinaryString();
}
} while (true);
logger.log(Level.FINEST, "Sending gssapi exchange complete.");
SshMsgUserauthGssapiExchangeComplete sshmsguserauthgssapiexchangecomplete =
new SshMsgUserauthGssapiExchangeComplete();
authenticationprotocolclient.sendMessage(sshmsguserauthgssapiexchangecomplete);
if (logger.isLoggable(Level.FINEST)) {
logger.log(
Level.FINEST,
"Context established.\nInitiator : "
+ gsscontext.getSrcName()
+ "\nAcceptor : "
+ gsscontext.getTargName()
+ "\nLifetime : "
+ gsscontext.getLifetime()
+ "\nIntegrity : "
+ gsscontext.getIntegState()
+ "\nConfidentiality : "
+ gsscontext.getConfState()
+ "\nAnonymity : "
+ gsscontext.getAnonymityState());
}
} catch (Throwable t) {
logger.log(Level.WARNING, "Got Exception: ", t);
throw new TerminatedStateException(AuthenticationProtocolState.FAILED);
}
}
