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8215032: Support Kerberos cross-realm referrals (RFC 6806)

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Reviewed-by: weijun
This commit is contained in:
Martin Balao 2019-06-05 01:42:11 -03:00
parent 8ee8c48696
commit 5aae9ef0db
25 changed files with 933 additions and 204 deletions
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38
src/java.security.jgss/share/classes/sun/security/krb5/Config.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2018, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2019, 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
@ -48,6 +48,7 @@ import sun.net.dns.ResolverConfiguration;
import sun.security.action.GetPropertyAction;
import sun.security.krb5.internal.crypto.EType;
import sun.security.krb5.internal.Krb5;
import sun.security.util.SecurityProperties;
/**
* This class maintains key-value pairs of Kerberos configurable constants
@ -56,6 +57,41 @@ import sun.security.krb5.internal.Krb5;
public class Config {
/**
* {@systemProperty sun.security.krb5.disableReferrals} property
* indicating whether or not cross-realm referrals (RFC 6806) are
* enabled.
*/
public static final boolean DISABLE_REFERRALS;
/**
* {@systemProperty sun.security.krb5.maxReferrals} property
* indicating the maximum number of cross-realm referral
* hops allowed.
*/
public static final int MAX_REFERRALS;
static {
String disableReferralsProp =
SecurityProperties.privilegedGetOverridable(
"sun.security.krb5.disableReferrals");
if (disableReferralsProp != null) {
DISABLE_REFERRALS = "true".equalsIgnoreCase(disableReferralsProp);
} else {
DISABLE_REFERRALS = false;
}
int maxReferralsValue = 5;
String maxReferralsProp =
SecurityProperties.privilegedGetOverridable(
"sun.security.krb5.maxReferrals");
try {
maxReferralsValue = Integer.parseInt(maxReferralsProp);
} catch (NumberFormatException e) {
}
MAX_REFERRALS = maxReferralsValue;
}
/*
* Only allow a single instance of Config.
*/