| /* |
| * Copyright (c) 2011, 2013, Oracle and/or its affiliates. All rights reserved. |
| * DO NOT ALTER OR REMOVE COPYRIGHT NOTICES OR THIS FILE HEADER. |
| * |
| * This code is free software; you can redistribute it and/or modify it |
| * under the terms of the GNU General Public License version 2 only, as |
| * published by the Free Software Foundation. |
| * |
| * This code is distributed in the hope that it will be useful, but WITHOUT |
| * ANY WARRANTY; without even the implied warranty of MERCHANTABILITY or |
| * 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 |
| * accompanied this code). |
| * |
| * You should have received a copy of the GNU General Public License version |
| * 2 along with this work; if not, write to the Free Software Foundation, |
| * Inc., 51 Franklin St, Fifth Floor, Boston, MA 02110-1301 USA. |
| * |
| * Please contact Oracle, 500 Oracle Parkway, Redwood Shores, CA 94065 USA |
| * or visit www.oracle.com if you need additional information or have any |
| * questions. |
| */ |
| |
| /* |
| * @test |
| * @bug 6894072 |
| * @compile -XDignore.symbol.file DynamicKeytab.java |
| * @run main/othervm DynamicKeytab |
| * @summary always refresh keytab |
| */ |
| |
| import java.io.File; |
| import java.io.FileOutputStream; |
| import java.nio.file.Files; |
| import java.nio.file.Paths; |
| import org.ietf.jgss.GSSException; |
| import sun.security.jgss.GSSUtil; |
| import sun.security.krb5.KrbException; |
| import sun.security.krb5.internal.Krb5; |
| |
| public class DynamicKeytab { |
| |
| Context c, s; |
| public static void main(String[] args) |
| throws Exception { |
| new DynamicKeytab().go(); |
| } |
| |
| void go() throws Exception { |
| OneKDC k = new OneKDC(null); |
| k.writeJAASConf(); |
| |
| Files.delete(Paths.get(OneKDC.KTAB)); |
| |
| // Starts with no keytab |
| c = Context.fromJAAS("client"); |
| s = Context.fromJAAS("com.sun.security.jgss.krb5.accept"); |
| |
| // Test 1: read new key 1 from keytab |
| k.addPrincipal(OneKDC.SERVER, "pass1".toCharArray()); |
| k.writeKtab(OneKDC.KTAB); |
| connect(); |
| |
| // Test 2: service key cached, find 1 in keytab (now contains 1 and 2) |
| k.addPrincipal(OneKDC.SERVER, "pass2".toCharArray()); |
| k.appendKtab(OneKDC.KTAB); |
| connect(); |
| |
| // Test 3: re-login. Now find 2 in keytab |
| c = Context.fromJAAS("client"); |
| connect(); |
| |
| // Test 4: re-login, KDC use 3 this time. |
| c = Context.fromJAAS("client"); |
| // Put 3 and 4 into keytab but keep the real key back to 3. |
| k.addPrincipal(OneKDC.SERVER, "pass3".toCharArray()); |
| k.appendKtab(OneKDC.KTAB); |
| k.addPrincipal(OneKDC.SERVER, "pass4".toCharArray()); |
| k.appendKtab(OneKDC.KTAB); |
| k.addPrincipal(OneKDC.SERVER, "pass3".toCharArray()); |
| connect(); |
| |
| // Test 5: invalid keytab file, should ignore |
| try (FileOutputStream fos = new FileOutputStream(OneKDC.KTAB)) { |
| fos.write("BADBADBAD".getBytes()); |
| } |
| connect(); |
| |
| // Test 6: delete keytab file, identical to revoke all |
| Files.delete(Paths.get(OneKDC.KTAB)); |
| try { |
| connect(); |
| throw new Exception("Should not success"); |
| } catch (GSSException gsse) { |
| System.out.println(gsse); |
| KrbException ke = (KrbException)gsse.getCause(); |
| // KrbApReq.authenticate(*) if (dkey == null)... |
| // This should have been Krb5.KRB_AP_ERR_NOKEY |
| if (ke.returnCode() != Krb5.API_INVALID_ARG) { |
| throw new Exception("Not expected failure code: " + |
| ke.returnCode()); |
| } |
| } |
| |
| // Test 7: 3 revoked, should fail (now contains only 5) |
| k.addPrincipal(OneKDC.SERVER, "pass5".toCharArray()); |
| k.writeKtab(OneKDC.KTAB); // overwrite keytab, which means |
| // old key is revoked |
| try { |
| connect(); |
| throw new Exception("Should not success"); |
| } catch (GSSException gsse) { |
| System.out.println(gsse); |
| // Since 7197159, different kvno is accepted, this return code |
| // will never be thrown out again. |
| //KrbException ke = (KrbException)gsse.getCause(); |
| //if (ke.returnCode() != Krb5.KRB_AP_ERR_BADKEYVER) { |
| // throw new Exception("Not expected failure code: " + |
| // ke.returnCode()); |
| //} |
| } |
| |
| // Test 8: an empty KDC means revoke all |
| KDC.create("EMPTY.REALM").writeKtab(OneKDC.KTAB); |
| try { |
| connect(); |
| throw new Exception("Should not success"); |
| } catch (GSSException gsse) { |
| System.out.println(gsse); |
| KrbException ke = (KrbException)gsse.getCause(); |
| // KrbApReq.authenticate(*) if (dkey == null)... |
| // This should have been Krb5.KRB_AP_ERR_NOKEY |
| if (ke.returnCode() != Krb5.API_INVALID_ARG) { |
| throw new Exception("Not expected failure code: " + |
| ke.returnCode()); |
| } |
| } |
| } |
| |
| void connect() throws Exception { |
| Thread.sleep(2000); // make sure ktab timestamp is different |
| c.startAsClient(OneKDC.SERVER, GSSUtil.GSS_KRB5_MECH_OID); |
| s.startAsServer(GSSUtil.GSS_KRB5_MECH_OID); |
| Context.handshake(c, s); |
| } |
| } |