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*
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* FITNESS FOR A PARTICULAR PURPOSE. See the GNU General Public License
* version 2 for more details (a copy is included in the LICENSE file that
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*
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* 2 along with this work; if not, write to the Free Software Foundation,
* Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA.
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/*
* @test
* @bug 6815182
* @run main/othervm SpnegoReqFlags
* @summary GSSAPI/SPNEGO does not work with server using MIT Kerberos library
*/
import sun.security.jgss.GSSUtil;
import sun.security.util.BitArray;
import sun.security.util.DerInputStream;
import sun.security.util.DerValue;
public class SpnegoReqFlags {
public static void main(String[] args)
throws Exception {
// Create and start the KDC
new OneKDC(null).writeJAASConf();
new SpnegoReqFlags().go();
}
void go() throws Exception {
Context c = Context.fromJAAS("client");
c.startAsClient(OneKDC.SERVER, GSSUtil.GSS_SPNEGO_MECH_OID);
byte[] token = c.doAs(new Action() {
@Override
public byte[] run(Context me, byte[] input) throws Exception {
me.x().requestCredDeleg(true);
me.x().requestReplayDet(false);
me.x().requestSequenceDet(false);
return me.x().initSecContext(new byte[0], 0, 0);
}
}, null);
DerValue d = new DerValue(token); // GSSToken
DerInputStream ins = d.data; // OID + mech token
d.data.getDerValue(); // skip OID
d = d.data.getDerValue(); // NegTokenInit
d = d.data.getDerValue(); // The SEQUENCE inside
boolean found = false;
// Go through all fields inside NegTokenInit. The reqFlags field
// is optional. It's even not recommended in RFC 4178.
while (d.data.available() > 0) {
DerValue d2 = d.data.getDerValue();
if (d2.isContextSpecific((byte)1)) {
found = true;
System.out.println("regFlags field located.");
BitArray ba = d2.data.getUnalignedBitString();
if (ba.length() != 7) {
throw new Exception("reqFlags should contain 7 bits");
}
if (!ba.get(0)) {
throw new Exception("delegFlag should be true");
}
if (ba.get(2) || ba.get(3)) {
throw new Exception("replay/sequenceFlag should be false");
}
}
}
if (!found) {
System.out.println("Warning: regFlags field not found, too new?");
}
c.dispose();
}
}