| /* |
| * 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. Oracle designates this |
| * particular file as subject to the "Classpath" exception as provided |
| * by Oracle in the LICENSE file that accompanied this code. |
| * |
| * 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. |
| */ |
| |
| /* |
| * |
| * (C) Copyright IBM Corp. 1999 All Rights Reserved. |
| * Copyright 1997 The Open Group Research Institute. All rights reserved. |
| */ |
| |
| package sun.security.krb5; |
| |
| import sun.security.krb5.internal.*; |
| |
| abstract class KrbKdcRep { |
| |
| static void check( |
| boolean isAsReq, |
| KDCReq req, |
| KDCRep rep |
| ) throws KrbApErrException { |
| |
| if (isAsReq && !req.reqBody.cname.equals(rep.cname)) { |
| rep.encKDCRepPart.key.destroy(); |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| } |
| |
| if (!req.reqBody.sname.equals(rep.encKDCRepPart.sname)) { |
| rep.encKDCRepPart.key.destroy(); |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| } |
| |
| if (req.reqBody.getNonce() != rep.encKDCRepPart.nonce) { |
| rep.encKDCRepPart.key.destroy(); |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| } |
| |
| if ( |
| ((req.reqBody.addresses != null && rep.encKDCRepPart.caddr != null) && |
| !req.reqBody.addresses.equals(rep.encKDCRepPart.caddr))) { |
| rep.encKDCRepPart.key.destroy(); |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| } |
| |
| for (int i = 1; i < 6; i++) { |
| if (req.reqBody.kdcOptions.get(i) != |
| rep.encKDCRepPart.flags.get(i)) { |
| if (Krb5.DEBUG) { |
| System.out.println("> KrbKdcRep.check: at #" + i |
| + ". request for " + req.reqBody.kdcOptions.get(i) |
| + ", received " + rep.encKDCRepPart.flags.get(i)); |
| } |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| } |
| } |
| |
| // XXX Can renew a ticket but not ask for a renewable renewed ticket |
| // See impl of Credentials.renew(). |
| if (req.reqBody.kdcOptions.get(KDCOptions.RENEWABLE) != |
| rep.encKDCRepPart.flags.get(KDCOptions.RENEWABLE)) { |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| } |
| if ((req.reqBody.from == null) || req.reqBody.from.isZero()) |
| // verify this is allowed |
| if ((rep.encKDCRepPart.starttime != null) && |
| !rep.encKDCRepPart.starttime.inClockSkew()) { |
| rep.encKDCRepPart.key.destroy(); |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_SKEW); |
| } |
| |
| if ((req.reqBody.from != null) && !req.reqBody.from.isZero()) |
| // verify this is allowed |
| if ((rep.encKDCRepPart.starttime != null) && |
| !req.reqBody.from.equals(rep.encKDCRepPart.starttime)) { |
| rep.encKDCRepPart.key.destroy(); |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| } |
| |
| if (!req.reqBody.till.isZero() && |
| rep.encKDCRepPart.endtime.greaterThan(req.reqBody.till)) { |
| rep.encKDCRepPart.key.destroy(); |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| } |
| |
| if (req.reqBody.kdcOptions.get(KDCOptions.RENEWABLE)) |
| if (req.reqBody.rtime != null && !req.reqBody.rtime.isZero()) |
| // verify this is required |
| if ((rep.encKDCRepPart.renewTill == null) || |
| rep.encKDCRepPart.renewTill.greaterThan(req.reqBody.rtime) |
| ) { |
| rep.encKDCRepPart.key.destroy(); |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| } |
| |
| if (req.reqBody.kdcOptions.get(KDCOptions.RENEWABLE_OK) && |
| rep.encKDCRepPart.flags.get(KDCOptions.RENEWABLE)) |
| if (!req.reqBody.till.isZero()) |
| // verify this is required |
| if ((rep.encKDCRepPart.renewTill == null) || |
| rep.encKDCRepPart.renewTill.greaterThan(req.reqBody.till) |
| ) { |
| rep.encKDCRepPart.key.destroy(); |
| throw new KrbApErrException(Krb5.KRB_AP_ERR_MODIFIED); |
| } |
| } |
| |
| |
| } |