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8327818: Implement Kerberos debug with sun.security.util.Debug

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Reviewed-by: coffeys, ssahoo
This commit is contained in:
Weijun Wang 2024-03-18 15:36:28 +00:00
parent dec68d7e36
commit 569b05addf
62 changed files with 855 additions and 816 deletions
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48
src/java.security.jgss/share/classes/sun/security/krb5/KdcComm.java
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@ -1,5 +1,5 @@
/*
* Copyright (c) 2000, 2021, Oracle and/or its affiliates. All rights reserved.
* Copyright (c) 2000, 2024, 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
@ -49,6 +49,8 @@ import java.util.HashSet;
import java.util.Iterator;
import sun.security.krb5.internal.KRBError;
import static sun.security.krb5.internal.Krb5.DEBUG;
/**
* KDC-REQ/KDC-REP communication. No more base class for KrbAsReq and
* KrbTgsReq. This class is now communication only.
@ -72,8 +74,6 @@ public final class KdcComm {
*/
private static int defaultUdpPrefLimit;
private static final boolean DEBUG = Krb5.DEBUG;
/**
* What to do when a KDC is unavailable, specified in the
* java.security file with key krb5.kdc.bad.policy.
@ -118,8 +118,8 @@ public final class KdcComm {
} catch (NumberFormatException nfe) {
// Ignored. Please note that tryLess is recognized and
// used, parameters using default values
if (DEBUG) {
System.out.println("Invalid krb5.kdc.bad.policy" +
if (DEBUG != null) {
DEBUG.println("Invalid krb5.kdc.bad.policy" +
" parameter for tryLess: " +
value + ", use default");
}
@ -151,8 +151,8 @@ public final class KdcComm {
udp_pref_limit = parsePositiveIntString(temp);
} catch (Exception exc) {
// ignore any exceptions; use default values
if (DEBUG) {
System.out.println ("Exception in getting KDC communication " +
if (DEBUG != null) {
DEBUG.println ("Exception in getting KDC communication " +
"settings, using default value " +
exc.getMessage());
}
@ -276,10 +276,10 @@ public final class KdcComm {
KdcAccessibility.removeBad(tempKdc);
return ibuf;
} catch(Exception e) {
if (DEBUG) {
System.out.println(">>> KrbKdcReq send: error trying " +
if (DEBUG != null) {
DEBUG.println(">>> KrbKdcReq send: error trying " +
tempKdc);
e.printStackTrace(System.out);
e.printStackTrace(DEBUG.getPrintStream());
}
KdcAccessibility.addBad(tempKdc);
throw e;
@ -345,8 +345,8 @@ public final class KdcComm {
}
byte[] obuf = req.encoding();
if (DEBUG) {
System.out.println(">>> KrbKdcReq send: kdc=" + kdc
if (DEBUG != null) {
DEBUG.println(">>> KrbKdcReq send: kdc=" + kdc
+ (useTCP ? " TCP:":" UDP:")
+ port + ", timeout="
+ timeout
@ -360,8 +360,8 @@ public final class KdcComm {
try {
@SuppressWarnings("removal")
byte[] ibuf = AccessController.doPrivileged(kdcCommunication);
if (DEBUG) {
System.out.println(">>> KrbKdcReq send: #bytes read="
if (DEBUG != null) {
DEBUG.println(">>> KrbKdcReq send: #bytes read="
+ (ibuf != null ? ibuf.length : 0));
}
return ibuf;
@ -404,8 +404,8 @@ public final class KdcComm {
for (int i=1; i <= retries; i++) {
String proto = useTCP?"TCP":"UDP";
if (DEBUG) {
System.out.println(">>> KDCCommunication: kdc=" + kdc
if (DEBUG != null) {
DEBUG.println(">>> KDCCommunication: kdc=" + kdc
+ " " + proto + ":"
+ port + ", timeout="
+ timeout
@ -418,8 +418,8 @@ public final class KdcComm {
ibuf = kdcClient.receive();
break;
} catch (SocketTimeoutException se) {
if (DEBUG) {
System.out.println ("SocketTimeOutException with " +
if (DEBUG != null) {
DEBUG.println ("SocketTimeOutException with " +
"attempt: " + i);
}
if (i == retries) {
@ -518,15 +518,15 @@ public final class KdcComm {
private static Set<String> bads = new HashSet<>();
private static synchronized void addBad(String kdc) {
if (DEBUG) {
System.out.println(">>> KdcAccessibility: add " + kdc);
if (DEBUG != null) {
DEBUG.println(">>> KdcAccessibility: add " + kdc);
}
bads.add(kdc);
}
private static synchronized void removeBad(String kdc) {
if (DEBUG) {
System.out.println(">>> KdcAccessibility: remove " + kdc);
if (DEBUG != null) {
DEBUG.println(">>> KdcAccessibility: remove " + kdc);
}
bads.remove(kdc);
}
@ -536,8 +536,8 @@ public final class KdcComm {
}
private static synchronized void reset() {
if (DEBUG) {
System.out.println(">>> KdcAccessibility: reset");
if (DEBUG != null) {
DEBUG.println(">>> KdcAccessibility: reset");
}
bads.clear();
}